Built SDL2_image and _mixer static

libsdl2_mixer/external/flac-1.3.2/src/Makefile.am

@@ -0,0 +1,42 @@
+#  FLAC - Free Lossless Audio Codec
+#  Copyright (C) 2001-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  This file is part the FLAC project.  FLAC is comprised of several
+#  components distributed under different licenses.  The codec libraries
+#  are distributed under Xiph.Org's BSD-like license (see the file
+#  COPYING.Xiph in this distribution).  All other programs, libraries, and
+#  plugins are distributed under the GPL (see COPYING.GPL).  The documentation
+#  is distributed under the Gnu FDL (see COPYING.FDL).  Each file in the
+#  FLAC distribution contains at the top the terms under which it may be
+#  distributed.
+#
+#  Since this particular file is relevant to all components of FLAC,
+#  it may be distributed under the Xiph.Org license, which is the least
+#  restrictive of those mentioned above.  See the file COPYING.Xiph in this
+#  distribution.
+
+if FLaC__HAS_XMMS
+XMMS_DIRS = plugin_common plugin_xmms
+endif
+
+if FLaC__WITH_CPPLIBS
+CPPLIBS_DIRS = libFLAC++ test_libFLAC++
+endif
+
+SUBDIRS = \
+	libFLAC \
+	share \
+	flac \
+	metaflac \
+	$(XMMS_DIRS) \
+	test_grabbag \
+	test_libs_common \
+	test_libFLAC \
+	test_seeking \
+	test_streams \
+	utils \
+	$(CPPLIBS_DIRS)
+
+EXTRA_DIST = \
+	Makefile.lite

libsdl2_mixer/external/flac-1.3.2/src/Makefile.in

@@ -0,0 +1,698 @@
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+#  Copyright (C) 2001-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
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+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
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+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
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+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
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+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    $(am__make_dryrun) \
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
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+	@echo "it deletes files that may require special tools to rebuild."
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libsdl2_mixer/external/flac-1.3.2/src/Makefile.lite

@@ -0,0 +1,76 @@
+#  FLAC - Free Lossless Audio Codec
+#  Copyright (C) 2001-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  This file is part the FLAC project.  FLAC is comprised of several
+#  components distributed under different licenses.  The codec libraries
+#  are distributed under Xiph.Org's BSD-like license (see the file
+#  COPYING.Xiph in this distribution).  All other programs, libraries, and
+#  plugins are distributed under the GPL (see COPYING.GPL).  The documentation
+#  is distributed under the Gnu FDL (see COPYING.FDL).  Each file in the
+#  FLAC distribution contains at the top the terms under which it may be
+#  distributed.
+#
+#  Since this particular file is relevant to all components of FLAC,
+#  it may be distributed under the Xiph.Org license, which is the least
+#  restrictive of those mentioned above.  See the file COPYING.Xiph in this
+#  distribution.
+
+topdir = ..
+
+include $(topdir)/build/config.mk
+
+ifeq ($(OS),Darwin)
+    EXTRA_TARGETS =
+else
+ifeq ($(PROC),x86_64)
+    EXTRA_TARGETS =
+else
+	# Can add plugin_xmms here if desired.
+    EXTRA_TARGETS =
+endif
+endif
+
+ifeq ($(findstring Windows,$(OS)),Windows)
+    EXTRA_TARGETS += share/win_utf8_io
+endif
+
+.PHONY: all flac libFLAC libFLAC++ metaflac plugin_common plugin_xmms share/win_utf8_io share test_grabbag test_libs_common test_libFLAC test_libFLAC++ test_seeking test_streams flacdiff flactimer
+all: flac libFLAC libFLAC++ metaflac plugin_common $(EXTRA_TARGETS) share test_grabbag test_libs_common test_libFLAC test_libFLAC++ test_seeking test_streams
+
+DEFAULT_CONFIG = release
+
+CONFIG = $(DEFAULT_CONFIG)
+
+debug   : CONFIG = debug
+valgrind: CONFIG = valgrind
+release : CONFIG = release
+
+debug   : all
+valgrind: all
+release : all
+
+flac libFLAC libFLAC++ metaflac plugin_common plugin_xmms share/win_utf8_io share test_grabbag test_libs_common test_libFLAC test_libFLAC++ test_seeking test_streams:
+	(cd $@ ; $(MAKE) -f Makefile.lite $(CONFIG))
+
+flacdiff flactimer:
+	(cd utils/$@ ; $(MAKE) -f Makefile.lite $(CONFIG))
+
+clean:
+	-(cd flac ; $(MAKE) -f Makefile.lite clean)
+	-(cd libFLAC ; $(MAKE) -f Makefile.lite clean)
+	-(cd libFLAC++ ; $(MAKE) -f Makefile.lite clean)
+	-(cd metaflac ; $(MAKE) -f Makefile.lite clean)
+	-(cd plugin_common ; $(MAKE) -f Makefile.lite clean)
+	-(cd plugin_xmms ; $(MAKE) -f Makefile.lite clean)
+	-(cd share ; $(MAKE) -f Makefile.lite clean)
+	-(cd test_grabbag ; $(MAKE) -f Makefile.lite clean)
+	-(cd test_libs_common ; $(MAKE) -f Makefile.lite clean)
+	-(cd test_libFLAC ; $(MAKE) -f Makefile.lite clean)
+	-(cd test_libFLAC++ ; $(MAKE) -f Makefile.lite clean)
+	-(cd test_seeking ; $(MAKE) -f Makefile.lite clean)
+	-(cd test_streams ; $(MAKE) -f Makefile.lite clean)
+	-(cd utils/flacdiff ; $(MAKE) -f Makefile.lite clean)
+	-(cd utils/flactimer ; $(MAKE) -f Makefile.lite clean)
+
+include $(topdir)/Makefile.deps

libsdl2_mixer/external/flac-1.3.2/src/flac/Makefile.am

@@ -0,0 +1,66 @@
+#  flac - Command-line FLAC encoder/decoder
+#  Copyright (C) 2000-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with this program; if not, write to the Free Software Foundation, Inc.,
+#  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+bin_PROGRAMS = flac
+
+AM_CFLAGS = @OGG_CFLAGS@
+AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include
+EXTRA_DIST = \
+	Makefile.lite \
+	Makefile.lite.iffscan \
+	flac.vcproj \
+	flac.vcxproj \
+	flac.vcxproj.filters \
+	iffscan.c \
+	iffscan.vcproj \
+	iffscan.vcxproj \
+	iffscan.vcxproj.filters
+
+flac_SOURCES = \
+	analyze.c \
+	decode.c \
+	encode.c \
+	foreign_metadata.c \
+	main.c \
+	local_string_utils.c \
+	utils.c \
+	vorbiscomment.c \
+	analyze.h \
+	decode.h \
+	encode.h \
+	foreign_metadata.h \
+	local_string_utils.h \
+	utils.h \
+	vorbiscomment.h
+
+if OS_IS_WINDOWS
+win_utf8_lib = $(top_builddir)/src/share/win_utf8_io/libwin_utf8_io.la
+endif
+
+flac_LDADD = \
+	$(top_builddir)/src/share/utf8/libutf8.la \
+	$(top_builddir)/src/share/grabbag/libgrabbag.la \
+	$(top_builddir)/src/share/getopt/libgetopt.la \
+	$(top_builddir)/src/share/replaygain_analysis/libreplaygain_analysis.la \
+	$(top_builddir)/src/share/replaygain_synthesis/libreplaygain_synthesis.la \
+	$(top_builddir)/src/libFLAC/libFLAC.la \
+	$(win_utf8_lib) \
+	@LIBICONV@ \
+	-lm
+
+CLEANFILES = flac.exe

libsdl2_mixer/external/flac-1.3.2/src/flac/Makefile.in

@@ -0,0 +1,748 @@
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+
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+
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+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+#  flac - Command-line FLAC encoder/decoder
+#  Copyright (C) 2000-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
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+	Makefile.lite \
+	Makefile.lite.iffscan \
+	flac.vcproj \
+	flac.vcxproj \
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+	utils.c \
+	vorbiscomment.c \
+	analyze.h \
+	decode.h \
+	encode.h \
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+	vorbiscomment.h
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+@OS_IS_WINDOWS_TRUE@win_utf8_lib = $(top_builddir)/src/share/win_utf8_io/libwin_utf8_io.la
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+	$(top_builddir)/src/share/utf8/libutf8.la \
+	$(top_builddir)/src/share/grabbag/libgrabbag.la \
+	$(top_builddir)/src/share/getopt/libgetopt.la \
+	$(top_builddir)/src/share/replaygain_analysis/libreplaygain_analysis.la \
+	$(top_builddir)/src/share/replaygain_synthesis/libreplaygain_synthesis.la \
+	$(top_builddir)/src/libFLAC/libFLAC.la \
+	$(win_utf8_lib) \
+	@LIBICONV@ \
+	-lm
+
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+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/flac/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
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libsdl2_mixer/external/flac-1.3.2/src/flac/Makefile.lite

@@ -0,0 +1,54 @@
+#  flac - Command-line FLAC encoder/decoder
+#  Copyright (C) 2000-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with this program; if not, write to the Free Software Foundation, Inc.,
+#  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+#
+# GNU makefile
+#
+
+topdir = ../..
+
+include $(topdir)/build/config.mk
+libdir = $(topdir)/objs/$(BUILD)/lib
+
+PROGRAM_NAME = flac
+
+INCLUDES = -I./include -I$(topdir)/include $(OGG_INCLUDES)
+
+ifeq ($(OS),Darwin)
+    EXPLICIT_LIBS = $(libdir)/libgrabbag.a $(libdir)/libFLAC.a $(libdir)/libreplaygain_analysis.a $(libdir)/libreplaygain_synthesis.a $(libdir)/libgetopt.a $(libdir)/libutf8.a $(OGG_EXPLICIT_LIBS) $(ICONV_LIBS) -lm
+else
+ifeq ($(findstring Windows,$(OS)),Windows)
+    LIBS = -lgrabbag -lFLAC -lreplaygain_analysis -lreplaygain_synthesis -lgetopt -lutf8 -lgrabbag -lwin_utf8_io $(OGG_LIBS) -lm
+else
+    LIBS = -lgrabbag -lFLAC -lreplaygain_analysis -lreplaygain_synthesis -lgetopt -lutf8 -lgrabbag $(OGG_LIBS) -lm
+endif
+endif
+
+SRCS_C = \
+	analyze.c \
+	decode.c \
+	encode.c \
+	foreign_metadata.c \
+	local_string_utils.c \
+	main.c \
+	utils.c \
+	vorbiscomment.c
+
+include $(topdir)/build/exe.mk
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.

libsdl2_mixer/external/flac-1.3.2/src/flac/Makefile.lite.iffscan

@@ -0,0 +1,46 @@
+#  flac - Command-line FLAC encoder/decoder
+#  Copyright (C) 2000-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with this program; if not, write to the Free Software Foundation, Inc.,
+#  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+#
+# GNU makefile
+#
+
+topdir = ../..
+libdir = $(topdir)/objs/$(BUILD)/lib
+
+PROGRAM_NAME = iffscan
+
+INCLUDES = -I./include -I$(topdir)/include $(OGG_INCLUDES)
+
+ifeq ($(OS),Darwin)
+    EXPLICIT_LIBS = $(libdir)/libFLAC.a $(OGG_EXPLICIT_LIBS) $(ICONV_LIBS) -lm
+else
+ifeq ($(findstring Windows,$(OS)),Windows)
+    LIBS = -lFLAC -lwin_utf8_io $(OGG_LIBS) -lm
+else
+    LIBS = -lFLAC $(OGG_LIBS) -lm
+endif
+endif
+
+SRCS_C = \
+	foreign_metadata.c \
+	iffscan.c
+
+include $(topdir)/build/exe.mk
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.

libsdl2_mixer/external/flac-1.3.2/src/flac/analyze.c

@@ -0,0 +1,247 @@
+/* flac - Command-line FLAC encoder/decoder
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <errno.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "FLAC/all.h"
+#include "analyze.h"
+
+#include "share/compat.h"
+
+typedef struct {
+	FLAC__int32 residual;
+	unsigned count;
+} pair_t;
+
+typedef struct {
+	pair_t buckets[FLAC__MAX_BLOCK_SIZE];
+	int peak_index;
+	unsigned nbuckets;
+	unsigned nsamples;
+	double sum, sos;
+	double variance;
+	double mean;
+	double stddev;
+} subframe_stats_t;
+
+static subframe_stats_t all_;
+
+static void init_stats(subframe_stats_t *stats);
+static void update_stats(subframe_stats_t *stats, FLAC__int32 residual, unsigned incr);
+static void compute_stats(subframe_stats_t *stats);
+static FLAC__bool dump_stats(const subframe_stats_t *stats, const char *filename);
+
+void flac__analyze_init(analysis_options aopts)
+{
+	if(aopts.do_residual_gnuplot) {
+		init_stats(&all_);
+	}
+}
+
+void flac__analyze_frame(const FLAC__Frame *frame, unsigned frame_number, FLAC__uint64 frame_offset, unsigned frame_bytes, analysis_options aopts, FILE *fout)
+{
+	const unsigned channels = frame->header.channels;
+	char outfilename[1024];
+	subframe_stats_t stats;
+	unsigned i, channel, partitions;
+
+	/* do the human-readable part first */
+	fprintf(fout, "frame=%u\toffset=%" PRIu64 "\tbits=%u\tblocksize=%u\tsample_rate=%u\tchannels=%u\tchannel_assignment=%s\n", frame_number, frame_offset, frame_bytes*8, frame->header.blocksize, frame->header.sample_rate, channels, FLAC__ChannelAssignmentString[frame->header.channel_assignment]);
+	for(channel = 0; channel < channels; channel++) {
+		const FLAC__Subframe *subframe = frame->subframes+channel;
+		const FLAC__bool is_rice2 = subframe->data.fixed.entropy_coding_method.type == FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2;
+		const unsigned pesc = is_rice2? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER;
+		fprintf(fout, "\tsubframe=%u\twasted_bits=%u\ttype=%s", channel, subframe->wasted_bits, FLAC__SubframeTypeString[subframe->type]);
+		switch(subframe->type) {
+			case FLAC__SUBFRAME_TYPE_CONSTANT:
+				fprintf(fout, "\tvalue=%d\n", subframe->data.constant.value);
+				break;
+			case FLAC__SUBFRAME_TYPE_FIXED:
+				FLAC__ASSERT(subframe->data.fixed.entropy_coding_method.type <= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2);
+				fprintf(fout, "\torder=%u\tresidual_type=%s\tpartition_order=%u\n", subframe->data.fixed.order, is_rice2? "RICE2":"RICE", subframe->data.fixed.entropy_coding_method.data.partitioned_rice.order);
+				for(i = 0; i < subframe->data.fixed.order; i++)
+					fprintf(fout, "\t\twarmup[%u]=%d\n", i, subframe->data.fixed.warmup[i]);
+				partitions = (1u << subframe->data.fixed.entropy_coding_method.data.partitioned_rice.order);
+				for(i = 0; i < partitions; i++) {
+					unsigned parameter = subframe->data.fixed.entropy_coding_method.data.partitioned_rice.contents->parameters[i];
+					if(parameter == pesc)
+						fprintf(fout, "\t\tparameter[%u]=ESCAPE, raw_bits=%u\n", i, subframe->data.fixed.entropy_coding_method.data.partitioned_rice.contents->raw_bits[i]);
+					else
+						fprintf(fout, "\t\tparameter[%u]=%u\n", i, parameter);
+				}
+				if(aopts.do_residual_text) {
+					for(i = 0; i < frame->header.blocksize-subframe->data.fixed.order; i++)
+						fprintf(fout, "\t\tresidual[%u]=%d\n", i, subframe->data.fixed.residual[i]);
+				}
+				break;
+			case FLAC__SUBFRAME_TYPE_LPC:
+				FLAC__ASSERT(subframe->data.lpc.entropy_coding_method.type <= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2);
+				fprintf(fout, "\torder=%u\tqlp_coeff_precision=%u\tquantization_level=%d\tresidual_type=%s\tpartition_order=%u\n", subframe->data.lpc.order, subframe->data.lpc.qlp_coeff_precision, subframe->data.lpc.quantization_level, is_rice2? "RICE2":"RICE", subframe->data.lpc.entropy_coding_method.data.partitioned_rice.order);
+				for(i = 0; i < subframe->data.lpc.order; i++)
+					fprintf(fout, "\t\tqlp_coeff[%u]=%d\n", i, subframe->data.lpc.qlp_coeff[i]);
+				for(i = 0; i < subframe->data.lpc.order; i++)
+					fprintf(fout, "\t\twarmup[%u]=%d\n", i, subframe->data.lpc.warmup[i]);
+				partitions = (1u << subframe->data.lpc.entropy_coding_method.data.partitioned_rice.order);
+				for(i = 0; i < partitions; i++) {
+					unsigned parameter = subframe->data.lpc.entropy_coding_method.data.partitioned_rice.contents->parameters[i];
+					if(parameter == pesc)
+						fprintf(fout, "\t\tparameter[%u]=ESCAPE, raw_bits=%u\n", i, subframe->data.lpc.entropy_coding_method.data.partitioned_rice.contents->raw_bits[i]);
+					else
+						fprintf(fout, "\t\tparameter[%u]=%u\n", i, parameter);
+				}
+				if(aopts.do_residual_text) {
+					for(i = 0; i < frame->header.blocksize-subframe->data.lpc.order; i++)
+						fprintf(fout, "\t\tresidual[%u]=%d\n", i, subframe->data.lpc.residual[i]);
+				}
+				break;
+			case FLAC__SUBFRAME_TYPE_VERBATIM:
+				fprintf(fout, "\n");
+				break;
+		}
+	}
+
+	/* now do the residual distributions if requested */
+	if(aopts.do_residual_gnuplot) {
+		for(channel = 0; channel < channels; channel++) {
+			const FLAC__Subframe *subframe = frame->subframes+channel;
+			unsigned residual_samples;
+
+			init_stats(&stats);
+
+			switch(subframe->type) {
+				case FLAC__SUBFRAME_TYPE_FIXED:
+					residual_samples = frame->header.blocksize - subframe->data.fixed.order;
+					for(i = 0; i < residual_samples; i++)
+						update_stats(&stats, subframe->data.fixed.residual[i], 1);
+					break;
+				case FLAC__SUBFRAME_TYPE_LPC:
+					residual_samples = frame->header.blocksize - subframe->data.lpc.order;
+					for(i = 0; i < residual_samples; i++)
+						update_stats(&stats, subframe->data.lpc.residual[i], 1);
+					break;
+				default:
+					break;
+			}
+
+			/* update all_ */
+			for(i = 0; i < stats.nbuckets; i++) {
+				update_stats(&all_, stats.buckets[i].residual, stats.buckets[i].count);
+			}
+
+			/* write the subframe */
+			flac_snprintf(outfilename, sizeof (outfilename), "f%06u.s%u.gp", frame_number, channel);
+			compute_stats(&stats);
+
+			(void)dump_stats(&stats, outfilename);
+		}
+	}
+}
+
+void flac__analyze_finish(analysis_options aopts)
+{
+	if(aopts.do_residual_gnuplot) {
+		compute_stats(&all_);
+		(void)dump_stats(&all_, "all");
+	}
+}
+
+void init_stats(subframe_stats_t *stats)
+{
+	stats->peak_index = -1;
+	stats->nbuckets = 0;
+	stats->nsamples = 0;
+	stats->sum = 0.0;
+	stats->sos = 0.0;
+}
+
+void update_stats(subframe_stats_t *stats, FLAC__int32 residual, unsigned incr)
+{
+	unsigned i;
+	const double r = (double)residual, a = r*incr;
+
+	stats->nsamples += incr;
+	stats->sum += a;
+	stats->sos += (a*r);
+
+	for(i = 0; i < stats->nbuckets; i++) {
+		if(stats->buckets[i].residual == residual) {
+			stats->buckets[i].count += incr;
+			goto find_peak;
+		}
+	}
+	/* not found, make a new bucket */
+	i = stats->nbuckets;
+	stats->buckets[i].residual = residual;
+	stats->buckets[i].count = incr;
+	stats->nbuckets++;
+find_peak:
+	if(stats->peak_index < 0 || stats->buckets[i].count > stats->buckets[stats->peak_index].count)
+		stats->peak_index = i;
+}
+
+void compute_stats(subframe_stats_t *stats)
+{
+	stats->mean = stats->sum / (double)stats->nsamples;
+	stats->variance = (stats->sos - (stats->sum * stats->sum / stats->nsamples)) / stats->nsamples;
+	stats->stddev = sqrt(stats->variance);
+}
+
+FLAC__bool dump_stats(const subframe_stats_t *stats, const char *filename)
+{
+	FILE *outfile;
+	unsigned i;
+	const double m = stats->mean;
+	const double s1 = stats->stddev, s2 = s1*2, s3 = s1*3, s4 = s1*4, s5 = s1*5, s6 = s1*6;
+	const double p = stats->buckets[stats->peak_index].count;
+
+	outfile = flac_fopen(filename, "w");
+
+	if(0 == outfile) {
+		fprintf(stderr, "ERROR opening %s: %s\n", filename, strerror(errno));
+		return false;
+	}
+
+	fprintf(outfile, "plot '-' title 'PDF', '-' title 'mean' with impulses, '-' title '1-stddev' with histeps, '-' title '2-stddev' with histeps, '-' title '3-stddev' with histeps, '-' title '4-stddev' with histeps, '-' title '5-stddev' with histeps, '-' title '6-stddev' with histeps\n");
+
+	for(i = 0; i < stats->nbuckets; i++) {
+		fprintf(outfile, "%d %u\n", stats->buckets[i].residual, stats->buckets[i].count);
+	}
+	fprintf(outfile, "e\n");
+
+	fprintf(outfile, "%f %f\ne\n", stats->mean, p);
+	fprintf(outfile, "%f %f\n%f %f\ne\n", m-s1, p*0.8, m+s1, p*0.8);
+	fprintf(outfile, "%f %f\n%f %f\ne\n", m-s2, p*0.7, m+s2, p*0.7);
+	fprintf(outfile, "%f %f\n%f %f\ne\n", m-s3, p*0.6, m+s3, p*0.6);
+	fprintf(outfile, "%f %f\n%f %f\ne\n", m-s4, p*0.5, m+s4, p*0.5);
+	fprintf(outfile, "%f %f\n%f %f\ne\n", m-s5, p*0.4, m+s5, p*0.4);
+	fprintf(outfile, "%f %f\n%f %f\ne\n", m-s6, p*0.3, m+s6, p*0.3);
+
+	fprintf(outfile, "pause -1 'waiting...'\n");
+
+	fclose(outfile);
+	return true;
+}

libsdl2_mixer/external/flac-1.3.2/src/flac/analyze.h

@@ -0,0 +1,32 @@
+/* flac - Command-line FLAC encoder/decoder
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef flac__analyze_h
+#define flac__analyze_h
+
+typedef struct {
+	FLAC__bool do_residual_text;
+	FLAC__bool do_residual_gnuplot;
+} analysis_options;
+
+void flac__analyze_init(analysis_options aopts);
+void flac__analyze_frame(const FLAC__Frame *frame, unsigned frame_number, FLAC__uint64 frame_offset, unsigned frame_bytes, analysis_options aopts, FILE *fout);
+void flac__analyze_finish(analysis_options aopts);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/flac/decode.h

@@ -0,0 +1,71 @@
+/* flac - Command-line FLAC encoder/decoder
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef flac__decode_h
+#define flac__decode_h
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "analyze.h"
+#include "foreign_metadata.h"
+#include "utils.h"
+#include "share/replaygain_synthesis.h"
+
+
+typedef struct {
+	FLAC__bool apply;
+	FLAC__bool use_album_gain; /* false => use track gain */
+	enum { RGSS_LIMIT__NONE, RGSS_LIMIT__PEAK, RGSS_LIMIT__HARD} limiter;
+	NoiseShaping noise_shaping;
+	double preamp;
+} replaygain_synthesis_spec_t;
+
+typedef struct {
+	FLAC__bool treat_warnings_as_errors;
+	FLAC__bool continue_through_decode_errors;
+	replaygain_synthesis_spec_t replaygain_synthesis_spec;
+#if FLAC__HAS_OGG
+	FLAC__bool is_ogg;
+	FLAC__bool use_first_serial_number;
+	long serial_number;
+#endif
+	utils__SkipUntilSpecification skip_specification;
+	utils__SkipUntilSpecification until_specification;
+	FLAC__bool has_cue_specification;
+	utils__CueSpecification cue_specification;
+	FLAC__bool channel_map_none; /* --channel-map=none specified, eventually will expand to take actual channel map */
+
+	FileFormat format;
+	union {
+		struct {
+			FLAC__bool is_big_endian;
+			FLAC__bool is_unsigned_samples;
+		} raw;
+		struct {
+			foreign_metadata_t *foreign_metadata; /* NULL unless --keep-foreign-metadata requested */
+		} iff;
+	} format_options;
+} decode_options_t;
+
+/* outfile == 0 => test only */
+int flac__decode_file(const char *infilename, const char *outfilename, FLAC__bool analysis_mode, analysis_options aopts, decode_options_t options);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/flac/encode.h

@@ -0,0 +1,117 @@
+/* flac - Command-line FLAC encoder/decoder
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef flac__encode_h
+#define flac__encode_h
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "FLAC/metadata.h"
+#include "foreign_metadata.h"
+#include "utils.h"
+#include "share/compat.h"
+
+extern const int FLAC_ENCODE__DEFAULT_PADDING;
+
+typedef enum {
+	CST_BLOCKSIZE,
+	CST_COMPRESSION_LEVEL,
+	CST_DO_MID_SIDE,
+	CST_LOOSE_MID_SIDE,
+	CST_APODIZATION,
+	CST_MAX_LPC_ORDER,
+	CST_QLP_COEFF_PRECISION,
+	CST_DO_QLP_COEFF_PREC_SEARCH,
+	CST_DO_ESCAPE_CODING,
+	CST_DO_EXHAUSTIVE_MODEL_SEARCH,
+	CST_MIN_RESIDUAL_PARTITION_ORDER,
+	CST_MAX_RESIDUAL_PARTITION_ORDER,
+	CST_RICE_PARAMETER_SEARCH_DIST
+} compression_setting_type_t;
+
+typedef struct {
+	compression_setting_type_t type;
+	union {
+		FLAC__bool t_bool;
+		unsigned t_unsigned;
+		const char *t_string;
+	} value;
+} compression_setting_t;
+
+typedef struct {
+	utils__SkipUntilSpecification skip_specification;
+	utils__SkipUntilSpecification until_specification;
+	FLAC__bool verify;
+#if FLAC__HAS_OGG
+	FLAC__bool use_ogg;
+	long serial_number;
+#endif
+	FLAC__bool lax;
+	int padding;
+	size_t num_compression_settings;
+	compression_setting_t compression_settings[64];
+	char *requested_seek_points;
+	int num_requested_seek_points;
+	const char *cuesheet_filename;
+	FLAC__bool treat_warnings_as_errors;
+	FLAC__bool continue_through_decode_errors; /* currently only obeyed when encoding from FLAC or Ogg FLAC */
+	FLAC__bool cued_seekpoints;
+	FLAC__bool channel_map_none; /* --channel-map=none specified, eventually will expand to take actual channel map */
+
+	/* options related to --replay-gain and --sector-align */
+	FLAC__bool is_first_file;
+	FLAC__bool is_last_file;
+	FLAC__int32 **align_reservoir;
+	unsigned *align_reservoir_samples;
+	FLAC__bool replay_gain;
+	FLAC__bool ignore_chunk_sizes;
+	FLAC__bool sector_align;
+	FLAC__bool error_on_compression_fail;
+
+	FLAC__StreamMetadata *vorbis_comment;
+	FLAC__StreamMetadata *pictures[64];
+	unsigned num_pictures;
+
+	FileFormat format;
+	union {
+		struct {
+			FLAC__bool is_big_endian;
+			FLAC__bool is_unsigned_samples;
+			unsigned channels;
+			unsigned bps;
+			unsigned sample_rate;
+		} raw;
+		struct {
+			foreign_metadata_t *foreign_metadata; /* NULL unless --keep-foreign-metadata requested */
+		} iff;
+	} format_options;
+
+	struct {
+		FLAC__bool disable_constant_subframes;
+		FLAC__bool disable_fixed_subframes;
+		FLAC__bool disable_verbatim_subframes;
+		FLAC__bool do_md5;
+	} debug;
+} encode_options_t;
+
+int flac__encode_file(FILE *infile, FLAC__off_t infilesize, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, unsigned lookahead_length, encode_options_t options);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/flac/flac.vcproj

@@ -0,0 +1,255 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="flac"
+	ProjectGUID="{4cefbc7d-c215-11db-8314-0800200c9a66}"
+	RootNamespace="flac"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="$(SolutionDir)objs\$(ConfigurationName)\bin"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				AdditionalIncludeDirectories=".;..\..\include"
+				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;FLAC__HAS_OGG;FLAC__NO_DLL;DEBUG"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="1"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="4"
+				CompileAs="0"
+				DisableSpecificWarnings="4267;4996"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="$(SolutionDir)objs\$(ConfigurationName)\lib\libogg_static.lib"
+				LinkIncremental="2"
+				IgnoreDefaultLibraryNames="uuid.lib"
+				GenerateDebugInformation="true"
+				SubSystem="1"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="$(SolutionDir)objs\$(ConfigurationName)\bin"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="1"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				EnableIntrinsicFunctions="true"
+				FavorSizeOrSpeed="1"
+				OmitFramePointers="true"
+				WholeProgramOptimization="true"
+				AdditionalIncludeDirectories=".;..\..\include"
+				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;FLAC__HAS_OGG;FLAC__NO_DLL"
+				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="3"
+				CompileAs="0"
+				DisableSpecificWarnings="4267;4996"
+			/>
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+				Name="VCManagedResourceCompilerTool"
+			/>
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+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="$(SolutionDir)objs\$(ConfigurationName)\lib\libogg_static.lib"
+				LinkIncremental="1"
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+			/>
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+			/>
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+			/>
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+			/>
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+			/>
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+				Name="VCFxCopTool"
+			/>
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+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
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+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+			>
+			<File
+				RelativePath=".\analyze.h"
+				>
+			</File>
+			<File
+				RelativePath=".\decode.h"
+				>
+			</File>
+			<File
+				RelativePath=".\encode.h"
+				>
+			</File>
+			<File
+				RelativePath=".\foreign_metadata.h"
+				>
+			</File>
+			<File
+				RelativePath=".\local_string_utils.h"
+				>
+			</File>
+			<File
+				RelativePath=".\utils.h"
+				>
+			</File>
+			<File
+				RelativePath=".\vorbiscomment.h"
+				>
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+			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
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+			<File
+				RelativePath=".\analyze.c"
+				>
+			</File>
+			<File
+				RelativePath=".\decode.c"
+				>
+			</File>
+			<File
+				RelativePath=".\encode.c"
+				>
+			</File>
+			<File
+				RelativePath=".\foreign_metadata.c"
+				>
+			</File>
+			<File
+				RelativePath=".\local_string_utils.c"
+				>
+			</File>
+			<File
+				RelativePath=".\main.c"
+				>
+			</File>
+			<File
+				RelativePath=".\utils.c"
+				>
+			</File>
+			<File
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+				>
+			</File>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>

libsdl2_mixer/external/flac-1.3.2/src/flac/flac.vcxproj

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+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{4cefbc7d-c215-11db-8314-0800200c9a66}</ProjectGuid>
+    <RootNamespace>flac</RootNamespace>
+    <Keyword>Win32Proj</Keyword>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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+    <ConfigurationType>Application</ConfigurationType>
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+    <ConfigurationType>Application</ConfigurationType>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
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+    <ConfigurationType>Application</ConfigurationType>
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+      <MinimalRebuild>true</MinimalRebuild>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
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libsdl2_mixer/external/flac-1.3.2/src/flac/foreign_metadata.c

@@ -0,0 +1,819 @@
+/* flac - Command-line FLAC encoder/decoder
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h> /* for FILE etc. */
+#include <stdlib.h> /* for calloc() etc. */
+#include <string.h> /* for memcmp() etc. */
+#include "FLAC/assert.h"
+#include "FLAC/metadata.h"
+#include "share/alloc.h"
+#include "share/compat.h"
+#include "foreign_metadata.h"
+
+#ifdef min
+#undef min
+#endif
+#define min(x,y) ((x)<(y)?(x):(y))
+
+
+static const char *FLAC__FOREIGN_METADATA_APPLICATION_ID[3] = { "aiff" , "riff", "w64 " };
+
+static FLAC__uint32 unpack32be_(const FLAC__byte *b)
+{
+	return ((FLAC__uint32)b[0]<<24) + ((FLAC__uint32)b[1]<<16) + ((FLAC__uint32)b[2]<<8) + (FLAC__uint32)b[3];
+}
+
+static FLAC__uint32 unpack32le_(const FLAC__byte *b)
+{
+	return (FLAC__uint32)b[0] + ((FLAC__uint32)b[1]<<8) + ((FLAC__uint32)b[2]<<16) + ((FLAC__uint32)b[3]<<24);
+}
+
+static FLAC__uint64 unpack64le_(const FLAC__byte *b)
+{
+	return (FLAC__uint64)b[0] + ((FLAC__uint64)b[1]<<8) + ((FLAC__uint64)b[2]<<16) + ((FLAC__uint64)b[3]<<24) + ((FLAC__uint64)b[4]<<32) + ((FLAC__uint64)b[5]<<40) + ((FLAC__uint64)b[6]<<48) + ((FLAC__uint64)b[7]<<56);
+}
+
+/* copies 'size' bytes from file 'fin' to 'fout', filling in *error with 'read_error' or 'write_error' as necessary */
+static FLAC__bool copy_data_(FILE *fin, FILE *fout, size_t size, const char **error, const char * const read_error, const char * const write_error)
+{
+	FLAC__byte buffer[4096];
+	size_t left;
+	for(left = size; left > 0; ) {
+		size_t need = min(sizeof(buffer), left);
+		if(fread(buffer, 1, need, fin) < need) {
+			if(error) *error = read_error;
+			return false;
+		}
+		if(fwrite(buffer, 1, need, fout) < need) {
+			if(error) *error = write_error;
+			return false;
+		}
+		left -= need;
+	}
+	return true;
+}
+
+static FLAC__bool append_block_(foreign_metadata_t *fm, FLAC__off_t offset, FLAC__uint32 size, const char **error)
+{
+	foreign_block_t *fb = safe_realloc_muladd2_(fm->blocks, sizeof(foreign_block_t), /*times (*/fm->num_blocks, /*+*/1/*)*/);
+	if(fb) {
+		fb[fm->num_blocks].offset = offset;
+		fb[fm->num_blocks].size = size;
+		fm->num_blocks++;
+		fm->blocks = fb;
+		return true;
+	}
+	if(error) *error = "out of memory";
+	return false;
+}
+
+static FLAC__bool read_from_aiff_(foreign_metadata_t *fm, FILE *f, const char **error)
+{
+	FLAC__byte buffer[12];
+	FLAC__off_t offset, eof_offset;
+	if((offset = ftello(f)) < 0) {
+		if(error) *error = "ftello() error (001)";
+		return false;
+	}
+	if(fread(buffer, 1, 12, f) < 12 || memcmp(buffer, "FORM", 4) || (memcmp(buffer+8, "AIFF", 4) && memcmp(buffer+8, "AIFC", 4))) {
+		if(error) *error = "unsupported FORM layout (002)";
+		return false;
+	}
+	if(!append_block_(fm, offset, 12, error))
+		return false;
+	eof_offset = (FLAC__off_t)8 + (FLAC__off_t)unpack32be_(buffer+4);
+	while(!feof(f)) {
+		FLAC__uint32 size;
+		if((offset = ftello(f)) < 0) {
+			if(error) *error = "ftello() error (003)";
+			return false;
+		}
+		if((size = fread(buffer, 1, 8, f)) < 8) {
+			if(size == 0 && feof(f))
+				break;
+			if(error) *error = "invalid AIFF file (004)";
+			return false;
+		}
+		size = unpack32be_(buffer+4);
+		/* check if pad byte needed */
+		if(size & 1)
+			size++;
+		if(!memcmp(buffer, "COMM", 4)) {
+			if(fm->format_block) {
+				if(error) *error = "invalid AIFF file: multiple \"COMM\" chunks (005)";
+				return false;
+			}
+			if(fm->audio_block) {
+				if(error) *error = "invalid AIFF file: \"SSND\" chunk before \"COMM\" chunk (006)";
+				return false;
+			}
+			fm->format_block = fm->num_blocks;
+		}
+		else if(!memcmp(buffer, "SSND", 4)) {
+			if(fm->audio_block) {
+				if(error) *error = "invalid AIFF file: multiple \"SSND\" chunks (007)";
+				return false;
+			}
+			if(!fm->format_block) {
+				if(error) *error = "invalid AIFF file: \"SSND\" chunk before \"COMM\" chunk (008)";
+				return false;
+			}
+			fm->audio_block = fm->num_blocks;
+			/* read #offset bytes */
+			if(fread(buffer+8, 1, 4, f) < 4) {
+				if(error) *error = "invalid AIFF file (009)";
+				return false;
+			}
+			fm->ssnd_offset_size = unpack32be_(buffer+8);
+			if(fseeko(f, -4, SEEK_CUR) < 0) {
+				if(error) *error = "invalid AIFF file: seek error (010)";
+				return false;
+			}
+			/* WATCHOUT: For SSND we ignore the blockSize and are not saving any
+			 * unaligned part at the end of the chunk.  In retrospect it is pretty
+			 * pointless to save the unaligned data before the PCM but now it is
+			 * done and cast in stone.
+			 */
+		}
+		if(!append_block_(fm, offset, 8 + (memcmp(buffer, "SSND", 4)? size : 8 + fm->ssnd_offset_size), error))
+			return false;
+		/* skip to next chunk */
+		if(fseeko(f, size, SEEK_CUR) < 0) {
+			if(error) *error = "invalid AIFF file: seek error (011)";
+			return false;
+		}
+	}
+	if(eof_offset != ftello(f)) {
+		if(error) *error = "invalid AIFF file: unexpected EOF (012)";
+		return false;
+	}
+	if(!fm->format_block) {
+		if(error) *error = "invalid AIFF file: missing \"COMM\" chunk (013)";
+		return false;
+	}
+	if(!fm->audio_block) {
+		if(error) *error = "invalid AIFF file: missing \"SSND\" chunk (014)";
+		return false;
+	}
+	return true;
+}
+
+static FLAC__bool read_from_wave_(foreign_metadata_t *fm, FILE *f, const char **error)
+{
+	FLAC__byte buffer[12];
+	FLAC__off_t offset, eof_offset = -1, ds64_data_size = -1;
+	if((offset = ftello(f)) < 0) {
+		if(error) *error = "ftello() error (001)";
+		return false;
+	}
+	if(fread(buffer, 1, 12, f) < 12 || (memcmp(buffer, "RIFF", 4) && memcmp(buffer, "RF64", 4)) || memcmp(buffer+8, "WAVE", 4)) {
+		if(error) *error = "unsupported RIFF layout (002)";
+		return false;
+	}
+	if(!memcmp(buffer, "RF64", 4))
+		fm->is_rf64 = true;
+	if(fm->is_rf64 && sizeof(FLAC__off_t) < 8) {
+		if(error) *error = "RF64 is not supported on this compile (r00)";
+		return false;
+	}
+	if(!append_block_(fm, offset, 12, error))
+		return false;
+	if(!fm->is_rf64 || unpack32le_(buffer+4) != 0xffffffff) {
+		eof_offset = (FLAC__off_t)8 + (FLAC__off_t)unpack32le_(buffer+4);
+		if(eof_offset & 1) /* fix odd RIFF size */
+			eof_offset++;
+	}
+	while(!feof(f)) {
+		FLAC__uint32 size;
+		if((offset = ftello(f)) < 0) {
+			if(error) *error = "ftello() error (003)";
+			return false;
+		}
+		if((size = fread(buffer, 1, 8, f)) < 8) {
+			if(size == 0 && feof(f))
+				break;
+			if(error) *error = "invalid WAVE file (004)";
+			return false;
+		}
+		size = unpack32le_(buffer+4);
+		/* check if pad byte needed */
+		if(size & 1)
+			size++;
+		if(!memcmp(buffer, "fmt ", 4)) {
+			if(fm->format_block) {
+				if(error) *error = "invalid WAVE file: multiple \"fmt \" chunks (005)";
+				return false;
+			}
+			if(fm->audio_block) {
+				if(error) *error = "invalid WAVE file: \"data\" chunk before \"fmt \" chunk (006)";
+				return false;
+			}
+			fm->format_block = fm->num_blocks;
+		}
+		else if(!memcmp(buffer, "data", 4)) {
+			if(fm->audio_block) {
+				if(error) *error = "invalid WAVE file: multiple \"data\" chunks (007)";
+				return false;
+			}
+			if(!fm->format_block) {
+				if(error) *error = "invalid WAVE file: \"data\" chunk before \"fmt \" chunk (008)";
+				return false;
+			}
+			fm->audio_block = fm->num_blocks;
+			if(fm->is_rf64 && fm->num_blocks < 2) {
+				if(error) *error = "invalid RF64 file: \"data\" chunk before \"ds64\" chunk (r01)";
+				return false;
+			}
+		}
+		if(!append_block_(fm, offset, 8 + (memcmp(buffer, "data", 4)? size : 0), error))
+			return false;
+		/* parse ds64 chunk if necessary */
+		if(fm->is_rf64 && fm->num_blocks == 2) {
+			FLAC__byte buffer2[7*4];
+			if(memcmp(buffer, "ds64", 4)) {
+				if(error) *error = "invalid RF64 file: \"ds64\" chunk does not immediately follow \"WAVE\" marker (r02)";
+				return false;
+			}
+			/* unpack the size again since we don't want the padding byte effect */
+			size = unpack32le_(buffer+4);
+			if(size < sizeof(buffer2)) {
+				if(error) *error = "invalid RF64 file: \"ds64\" chunk size is < 28 (r03)";
+				return false;
+			}
+			if(size > sizeof(buffer2)) {
+				if(error) *error = "RF64 file has \"ds64\" chunk with extra size table, which is not currently supported (r04)";
+				return false;
+			}
+			if(fread(buffer2, 1, sizeof(buffer2), f) < sizeof(buffer2)) {
+				if(error) *error = "unexpected EOF reading \"ds64\" chunk data in RF64 file (r05)";
+				return false;
+			}
+			ds64_data_size = (FLAC__off_t)unpack64le_(buffer2+8);
+			if(ds64_data_size == (FLAC__off_t)(-1)) {
+				if(error) *error = "RF64 file has \"ds64\" chunk with data size == -1 (r08)";
+				return false;
+			}
+			/* check if pad byte needed */
+			if(ds64_data_size & 1)
+				ds64_data_size++;
+			/* @@@ [2^63 limit] */
+			if(ds64_data_size < 0) {
+				if(error) *error = "RF64 file too large (r09)";
+				return false;
+			}
+			if(unpack32le_(buffer2+24)) {
+				if(error) *error = "RF64 file has \"ds64\" chunk with extra size table, which is not currently supported (r06)";
+				return false;
+			}
+			eof_offset = (FLAC__off_t)8 + (FLAC__off_t)unpack64le_(buffer2);
+			/* @@@ [2^63 limit] */
+			if((FLAC__off_t)unpack64le_(buffer2) < 0 || eof_offset < 0) {
+				if(error) *error = "RF64 file too large (r07)";
+				return false;
+			}
+		}
+		else { /* skip to next chunk */
+			if(fm->is_rf64 && !memcmp(buffer, "data", 4) && unpack32le_(buffer+4) == 0xffffffff) {
+				if(fseeko(f, ds64_data_size, SEEK_CUR) < 0) {
+					if(error) *error = "invalid RF64 file: seek error (r10)";
+					return false;
+				}
+			}
+			else {
+				if(fseeko(f, size, SEEK_CUR) < 0) {
+					if(error) *error = "invalid WAVE file: seek error (009)";
+					return false;
+				}
+			}
+		}
+	}
+	if(fm->is_rf64 && eof_offset == (FLAC__off_t)(-1)) {
+		if(error) *error = "invalid RF64 file: all RIFF sizes are -1 (r11)";
+		return false;
+	}
+	if(eof_offset != ftello(f)) {
+		if(error) *error = "invalid WAVE file: unexpected EOF (010)";
+		return false;
+	}
+	if(!fm->format_block) {
+		if(error) *error = "invalid WAVE file: missing \"fmt \" chunk (011)";
+		return false;
+	}
+	if(!fm->audio_block) {
+		if(error) *error = "invalid WAVE file: missing \"data\" chunk (012)";
+		return false;
+	}
+	return true;
+}
+
+static FLAC__bool read_from_wave64_(foreign_metadata_t *fm, FILE *f, const char **error)
+{
+	FLAC__byte buffer[40];
+	FLAC__off_t offset, eof_offset = -1;
+	if((offset = ftello(f)) < 0) {
+		if(error) *error = "ftello() error (001)";
+		return false;
+	}
+	if(
+		fread(buffer, 1, 40, f) < 40 ||
+		/* RIFF GUID 66666972-912E-11CF-A5D6-28DB04C10000 */
+		memcmp(buffer, "\x72\x69\x66\x66\x2E\x91\xCF\x11\xA5\xD6\x28\xDB\x04\xC1\x00\x00", 16) ||
+		/* WAVE GUID 65766177-ACF3-11D3-8CD1-00C04F8EDB8A */
+		memcmp(buffer+24, "\x77\x61\x76\x65\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 16)
+	) {
+		if(error) *error = "unsupported Wave64 layout (002)";
+		return false;
+	}
+	if(sizeof(FLAC__off_t) < 8) {
+		if(error) *error = "Wave64 is not supported on this compile (r00)";
+		return false;
+	}
+	if(!append_block_(fm, offset, 40, error))
+		return false;
+	eof_offset = (FLAC__off_t)unpack64le_(buffer+16); /*@@@ [2^63 limit] */
+	while(!feof(f)) {
+		FLAC__uint64 size;
+		if((offset = ftello(f)) < 0) {
+			if(error) *error = "ftello() error (003)";
+			return false;
+		}
+		if((size = fread(buffer, 1, 24, f)) < 24) {
+			if(size == 0 && feof(f))
+				break;
+			if(error) *error = "invalid Wave64 file (004)";
+			return false;
+		}
+		size = unpack64le_(buffer+16);
+		/* check if pad bytes needed */
+		if(size & 7)
+			size = (size+7) & (~((FLAC__uint64)7));
+		/* fmt GUID 20746D66-ACF3-11D3-8CD1-00C04F8EDB8A */
+		if(!memcmp(buffer, "\x66\x6D\x74\x20\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 16)) {
+			if(fm->format_block) {
+				if(error) *error = "invalid Wave64 file: multiple \"fmt \" chunks (005)";
+				return false;
+			}
+			if(fm->audio_block) {
+				if(error) *error = "invalid Wave64 file: \"data\" chunk before \"fmt \" chunk (006)";
+				return false;
+			}
+			fm->format_block = fm->num_blocks;
+		}
+		/* data GUID 61746164-ACF3-11D3-8CD1-00C04F8EDB8A */
+		else if(!memcmp(buffer, "\x64\x61\x74\x61\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 16)) {
+			if(fm->audio_block) {
+				if(error) *error = "invalid Wave64 file: multiple \"data\" chunks (007)";
+				return false;
+			}
+			if(!fm->format_block) {
+				if(error) *error = "invalid Wave64 file: \"data\" chunk before \"fmt \" chunk (008)";
+				return false;
+			}
+			fm->audio_block = fm->num_blocks;
+		}
+		if(!append_block_(fm, offset, memcmp(buffer, "\x64\x61\x74\x61\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 16)? (FLAC__uint32)size : 16+8, error))
+			return false;
+		/* skip to next chunk */
+		if(fseeko(f, size-24, SEEK_CUR) < 0) {
+			if(error) *error = "invalid Wave64 file: seek error (009)";
+			return false;
+		}
+	}
+	if(eof_offset != ftello(f)) {
+		if(error) *error = "invalid Wave64 file: unexpected EOF (010)";
+		return false;
+	}
+	if(!fm->format_block) {
+		if(error) *error = "invalid Wave64 file: missing \"fmt \" chunk (011)";
+		return false;
+	}
+	if(!fm->audio_block) {
+		if(error) *error = "invalid Wave64 file: missing \"data\" chunk (012)";
+		return false;
+	}
+	return true;
+}
+
+static FLAC__bool write_to_flac_(foreign_metadata_t *fm, FILE *fin, FILE *fout, FLAC__Metadata_SimpleIterator *it, const char **error)
+{
+	FLAC__byte buffer[4];
+	const unsigned ID_LEN = FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8;
+	size_t block_num = 0;
+	FLAC__ASSERT(sizeof(buffer) >= ID_LEN);
+	while(block_num < fm->num_blocks) {
+		/* find next matching padding block */
+		do {
+			/* even on the first chunk's loop there will be a skippable STREAMINFO block, on subsequent loops we are first moving past the PADDING we just used */
+			if(!FLAC__metadata_simple_iterator_next(it)) {
+				if(error) *error = "no matching PADDING block found (004)";
+				return false;
+			}
+		} while(FLAC__metadata_simple_iterator_get_block_type(it) != FLAC__METADATA_TYPE_PADDING);
+		if(FLAC__metadata_simple_iterator_get_block_length(it) != ID_LEN+fm->blocks[block_num].size) {
+			if(error) *error = "PADDING block with wrong size found (005)";
+			return false;
+		}
+		/* transfer chunk into APPLICATION block */
+		/* first set up the file pointers */
+		if(fseeko(fin, fm->blocks[block_num].offset, SEEK_SET) < 0) {
+			if(error) *error = "seek failed in WAVE/AIFF file (006)";
+			return false;
+		}
+		if(fseeko(fout, FLAC__metadata_simple_iterator_get_block_offset(it), SEEK_SET) < 0) {
+			if(error) *error = "seek failed in FLAC file (007)";
+			return false;
+		}
+		/* update the type */
+		buffer[0] = FLAC__METADATA_TYPE_APPLICATION;
+		if(FLAC__metadata_simple_iterator_is_last(it))
+			buffer[0] |= 0x80; /*MAGIC number*/
+		if(fwrite(buffer, 1, 1, fout) < 1) {
+			if(error) *error = "write failed in FLAC file (008)";
+			return false;
+		}
+		/* length stays the same so skip over it */
+		if(fseeko(fout, FLAC__STREAM_METADATA_LENGTH_LEN/8, SEEK_CUR) < 0) {
+			if(error) *error = "seek failed in FLAC file (009)";
+			return false;
+		}
+		/* write the APPLICATION ID */
+		memcpy(buffer, FLAC__FOREIGN_METADATA_APPLICATION_ID[fm->type], ID_LEN);
+		if(fwrite(buffer, 1, ID_LEN, fout) < ID_LEN) {
+			if(error) *error = "write failed in FLAC file (010)";
+			return false;
+		}
+		/* transfer the foreign metadata */
+		if(!copy_data_(fin, fout, fm->blocks[block_num].size, error, "read failed in WAVE/AIFF file (011)", "write failed in FLAC file (012)"))
+			return false;
+		block_num++;
+	}
+	return true;
+}
+
+static FLAC__bool read_from_flac_(foreign_metadata_t *fm, FILE *f, FLAC__Metadata_SimpleIterator *it, const char **error)
+{
+	FLAC__byte id[4], buffer[12];
+	FLAC__off_t offset;
+	FLAC__bool type_found = false, ds64_found = false;
+
+	FLAC__ASSERT(FLAC__STREAM_METADATA_APPLICATION_ID_LEN == sizeof(id)*8);
+
+	while(FLAC__metadata_simple_iterator_next(it)) {
+		if(FLAC__metadata_simple_iterator_get_block_type(it) != FLAC__METADATA_TYPE_APPLICATION)
+			continue;
+		if(!FLAC__metadata_simple_iterator_get_application_id(it, id)) {
+			if(error) *error = "FLAC__metadata_simple_iterator_get_application_id() error (002)";
+			return false;
+		}
+		if(memcmp(id, FLAC__FOREIGN_METADATA_APPLICATION_ID[fm->type], sizeof(id)))
+			continue;
+		offset = FLAC__metadata_simple_iterator_get_block_offset(it);
+		/* skip over header and app ID */
+		offset += (FLAC__STREAM_METADATA_IS_LAST_LEN + FLAC__STREAM_METADATA_TYPE_LEN + FLAC__STREAM_METADATA_LENGTH_LEN) / 8;
+		offset += sizeof(id);
+		/* look for format or audio blocks */
+		if(fseeko(f, offset, SEEK_SET) < 0) {
+			if(error) *error = "seek error (003)";
+			return false;
+		}
+		if(fread(buffer, 1, 4, f) != 4) {
+			if(error) *error = "read error (004)";
+			return false;
+		}
+		if(fm->num_blocks == 0) { /* first block? */
+			fm->is_rf64 = 0 == memcmp(buffer, "RF64", 4);
+			if(fm->type == FOREIGN_BLOCK_TYPE__RIFF && (0 == memcmp(buffer, "RIFF", 4) || fm->is_rf64))
+				type_found = true;
+			else if(fm->type == FOREIGN_BLOCK_TYPE__WAVE64 && 0 == memcmp(buffer, "riff", 4)) /* use first 4 bytes instead of whole GUID */
+				type_found = true;
+			else if(fm->type == FOREIGN_BLOCK_TYPE__AIFF && 0 == memcmp(buffer, "FORM", 4))
+				type_found = true;
+			else {
+				if(error) *error = "unsupported foreign metadata found, may need newer FLAC decoder (005)";
+				return false;
+			}
+		}
+		else if(!type_found) {
+			FLAC__ASSERT(0);
+			/* double protection: */
+			if(error) *error = "unsupported foreign metadata found, may need newer FLAC decoder (006)";
+			return false;
+		}
+		else if(fm->type == FOREIGN_BLOCK_TYPE__RIFF) {
+			if(!memcmp(buffer, "fmt ", 4)) {
+				if(fm->format_block) {
+					if(error) *error = "invalid WAVE metadata: multiple \"fmt \" chunks (007)";
+					return false;
+				}
+				if(fm->audio_block) {
+					if(error) *error = "invalid WAVE metadata: \"data\" chunk before \"fmt \" chunk (008)";
+					return false;
+				}
+				fm->format_block = fm->num_blocks;
+			}
+			else if(!memcmp(buffer, "data", 4)) {
+				if(fm->audio_block) {
+					if(error) *error = "invalid WAVE metadata: multiple \"data\" chunks (009)";
+					return false;
+				}
+				if(!fm->format_block) {
+					if(error) *error = "invalid WAVE metadata: \"data\" chunk before \"fmt \" chunk (010)";
+					return false;
+				}
+				fm->audio_block = fm->num_blocks;
+			}
+			else if(fm->is_rf64 && fm->num_blocks == 1) {
+				if(memcmp(buffer, "ds64", 4)) {
+					if(error) *error = "invalid RF64 metadata: second chunk is not \"ds64\" (011)";
+					return false;
+				}
+				ds64_found = true;
+			}
+		}
+		else if(fm->type == FOREIGN_BLOCK_TYPE__WAVE64) {
+			if(!memcmp(buffer, "fmt ", 4)) { /* use first 4 bytes instead of whole GUID */
+				if(fm->format_block) {
+					if(error) *error = "invalid Wave64 metadata: multiple \"fmt \" chunks (012)";
+					return false;
+				}
+				if(fm->audio_block) {
+					if(error) *error = "invalid Wave64 metadata: \"data\" chunk before \"fmt \" chunk (013)";
+					return false;
+				}
+				fm->format_block = fm->num_blocks;
+			}
+			else if(!memcmp(buffer, "data", 4)) { /* use first 4 bytes instead of whole GUID */
+				if(fm->audio_block) {
+					if(error) *error = "invalid Wave64 metadata: multiple \"data\" chunks (014)";
+					return false;
+				}
+				if(!fm->format_block) {
+					if(error) *error = "invalid Wave64 metadata: \"data\" chunk before \"fmt \" chunk (015)";
+					return false;
+				}
+				fm->audio_block = fm->num_blocks;
+			}
+		}
+		else if(fm->type == FOREIGN_BLOCK_TYPE__AIFF) {
+			if(!memcmp(buffer, "COMM", 4)) {
+				if(fm->format_block) {
+					if(error) *error = "invalid AIFF metadata: multiple \"COMM\" chunks (016)";
+					return false;
+				}
+				if(fm->audio_block) {
+					if(error) *error = "invalid AIFF metadata: \"SSND\" chunk before \"COMM\" chunk (017)";
+					return false;
+				}
+				fm->format_block = fm->num_blocks;
+			}
+			else if(!memcmp(buffer, "SSND", 4)) {
+				if(fm->audio_block) {
+					if(error) *error = "invalid AIFF metadata: multiple \"SSND\" chunks (018)";
+					return false;
+				}
+				if(!fm->format_block) {
+					if(error) *error = "invalid AIFF metadata: \"SSND\" chunk before \"COMM\" chunk (019)";
+					return false;
+				}
+				fm->audio_block = fm->num_blocks;
+				/* read SSND offset size */
+				if(fread(buffer+4, 1, 8, f) != 8) {
+					if(error) *error = "read error (020)";
+					return false;
+				}
+				fm->ssnd_offset_size = unpack32be_(buffer+8);
+			}
+		}
+		else {
+			FLAC__ASSERT(0);
+			/* double protection: */
+			if(error) *error = "unsupported foreign metadata found, may need newer FLAC decoder (021)";
+			return false;
+		}
+		if(!append_block_(fm, offset, FLAC__metadata_simple_iterator_get_block_length(it)-sizeof(id), error))
+			return false;
+	}
+	if(!type_found) {
+		if(error) *error = "no foreign metadata found (022)";
+		return false;
+	}
+	if(fm->is_rf64 && !ds64_found) {
+		if(error) *error = "invalid RF64 file: second chunk is not \"ds64\" (023)";
+		return false;
+	}
+	if(!fm->format_block) {
+		if(error)
+			*error =
+				fm->type==FOREIGN_BLOCK_TYPE__RIFF? "invalid WAVE file: missing \"fmt \" chunk (024)" :
+				fm->type==FOREIGN_BLOCK_TYPE__WAVE64? "invalid Wave64 file: missing \"fmt \" chunk (025)" :
+				"invalid AIFF file: missing \"COMM\" chunk (026)";
+		return false;
+	}
+	if(!fm->audio_block) {
+		if(error)
+			*error =
+				fm->type==FOREIGN_BLOCK_TYPE__RIFF? "invalid WAVE file: missing \"data\" chunk (027)" :
+				fm->type==FOREIGN_BLOCK_TYPE__WAVE64? "invalid Wave64 file: missing \"data\" chunk (028)" :
+				"invalid AIFF file: missing \"SSND\" chunk (029)";
+		return false;
+	}
+	return true;
+}
+
+static FLAC__bool write_to_iff_(foreign_metadata_t *fm, FILE *fin, FILE *fout, FLAC__off_t offset1, FLAC__off_t offset2, FLAC__off_t offset3, const char **error)
+{
+	size_t i;
+	if(fseeko(fout, offset1, SEEK_SET) < 0) {
+		if(error) *error = "seek failed in WAVE/AIFF file (002)";
+		return false;
+	}
+	/* don't write first (RIFF/RF64/FORM) chunk, or ds64 chunk in the case of RF64 */
+	for(i = fm->is_rf64?2:1; i < fm->format_block; i++) {
+		if(fseeko(fin, fm->blocks[i].offset, SEEK_SET) < 0) {
+			if(error) *error = "seek failed in FLAC file (003)";
+			return false;
+		}
+		if(!copy_data_(fin, fout, fm->blocks[i].size, error, "read failed in WAVE/AIFF file (004)", "write failed in FLAC file (005)"))
+			return false;
+	}
+	if(fseeko(fout, offset2, SEEK_SET) < 0) {
+		if(error) *error = "seek failed in WAVE/AIFF file (006)";
+		return false;
+	}
+	for(i = fm->format_block+1; i < fm->audio_block; i++) {
+		if(fseeko(fin, fm->blocks[i].offset, SEEK_SET) < 0) {
+			if(error) *error = "seek failed in FLAC file (007)";
+			return false;
+		}
+		if(!copy_data_(fin, fout, fm->blocks[i].size, error, "read failed in WAVE/AIFF file (008)", "write failed in FLAC file (009)"))
+			return false;
+	}
+	if(fseeko(fout, offset3, SEEK_SET) < 0) {
+		if(error) *error = "seek failed in WAVE/AIFF file (010)";
+		return false;
+	}
+	for(i = fm->audio_block+1; i < fm->num_blocks; i++) {
+		if(fseeko(fin, fm->blocks[i].offset, SEEK_SET) < 0) {
+			if(error) *error = "seek failed in FLAC file (011)";
+			return false;
+		}
+		if(!copy_data_(fin, fout, fm->blocks[i].size, error, "read failed in WAVE/AIFF file (012)", "write failed in FLAC file (013)"))
+			return false;
+	}
+	return true;
+}
+
+foreign_metadata_t *flac__foreign_metadata_new(foreign_block_type_t type)
+{
+	/* calloc() to zero all the member variables */
+	foreign_metadata_t *x = calloc(sizeof(foreign_metadata_t), 1);
+	if(x) {
+		x->type = type;
+		x->is_rf64 = false;
+	}
+	return x;
+}
+
+void flac__foreign_metadata_delete(foreign_metadata_t *fm)
+{
+	if(fm) {
+		if(fm->blocks)
+			free(fm->blocks);
+		free(fm);
+	}
+}
+
+FLAC__bool flac__foreign_metadata_read_from_aiff(foreign_metadata_t *fm, const char *filename, const char **error)
+{
+	FLAC__bool ok;
+	FILE *f = flac_fopen(filename, "rb");
+	if(!f) {
+		if(error) *error = "can't open AIFF file for reading (000)";
+		return false;
+	}
+	ok = read_from_aiff_(fm, f, error);
+	fclose(f);
+	return ok;
+}
+
+FLAC__bool flac__foreign_metadata_read_from_wave(foreign_metadata_t *fm, const char *filename, const char **error)
+{
+	FLAC__bool ok;
+	FILE *f = flac_fopen(filename, "rb");
+	if(!f) {
+		if(error) *error = "can't open WAVE file for reading (000)";
+		return false;
+	}
+	ok = read_from_wave_(fm, f, error);
+	fclose(f);
+	return ok;
+}
+
+FLAC__bool flac__foreign_metadata_read_from_wave64(foreign_metadata_t *fm, const char *filename, const char **error)
+{
+	FLAC__bool ok;
+	FILE *f = flac_fopen(filename, "rb");
+	if(!f) {
+		if(error) *error = "can't open Wave64 file for reading (000)";
+		return false;
+	}
+	ok = read_from_wave64_(fm, f, error);
+	fclose(f);
+	return ok;
+}
+
+FLAC__bool flac__foreign_metadata_write_to_flac(foreign_metadata_t *fm, const char *infilename, const char *outfilename, const char **error)
+{
+	FLAC__bool ok;
+	FILE *fin, *fout;
+	FLAC__Metadata_SimpleIterator *it = FLAC__metadata_simple_iterator_new();
+	if(!it) {
+		if(error) *error = "out of memory (000)";
+		return false;
+	}
+	if(!FLAC__metadata_simple_iterator_init(it, outfilename, /*read_only=*/true, /*preserve_file_stats=*/false)) {
+		if(error) *error = "can't initialize iterator (001)";
+		FLAC__metadata_simple_iterator_delete(it);
+		return false;
+	}
+	if(0 == (fin = flac_fopen(infilename, "rb"))) {
+		if(error) *error = "can't open WAVE/AIFF file for reading (002)";
+		FLAC__metadata_simple_iterator_delete(it);
+		return false;
+	}
+	if(0 == (fout = flac_fopen(outfilename, "r+b"))) {
+		if(error) *error = "can't open FLAC file for updating (003)";
+		FLAC__metadata_simple_iterator_delete(it);
+		fclose(fin);
+		return false;
+	}
+	ok = write_to_flac_(fm, fin, fout, it, error);
+	FLAC__metadata_simple_iterator_delete(it);
+	fclose(fin);
+	fclose(fout);
+	return ok;
+}
+
+FLAC__bool flac__foreign_metadata_read_from_flac(foreign_metadata_t *fm, const char *filename, const char **error)
+{
+	FLAC__bool ok;
+	FILE *f;
+	FLAC__Metadata_SimpleIterator *it = FLAC__metadata_simple_iterator_new();
+	if(!it) {
+		if(error) *error = "out of memory (000)";
+		return false;
+	}
+	if(!FLAC__metadata_simple_iterator_init(it, filename, /*read_only=*/true, /*preserve_file_stats=*/false)) {
+		if(error) *error = "can't initialize iterator (001)";
+		FLAC__metadata_simple_iterator_delete(it);
+		return false;
+	}
+	if(0 == (f = flac_fopen(filename, "rb"))) {
+		if(error) *error = "can't open FLAC file for reading (002)";
+		FLAC__metadata_simple_iterator_delete(it);
+		return false;
+	}
+	ok = read_from_flac_(fm, f, it, error);
+	FLAC__metadata_simple_iterator_delete(it);
+	fclose(f);
+	return ok;
+}
+
+FLAC__bool flac__foreign_metadata_write_to_iff(foreign_metadata_t *fm, const char *infilename, const char *outfilename, FLAC__off_t offset1, FLAC__off_t offset2, FLAC__off_t offset3, const char **error)
+{
+	FLAC__bool ok;
+	FILE *fin, *fout;
+	if(0 == (fin = flac_fopen(infilename, "rb"))) {
+		if(error) *error = "can't open FLAC file for reading (000)";
+		return false;
+	}
+	if(0 == (fout = flac_fopen(outfilename, "r+b"))) {
+		if(error) *error = "can't open WAVE/AIFF file for updating (001)";
+		fclose(fin);
+		return false;
+	}
+	ok = write_to_iff_(fm, fin, fout, offset1, offset2, offset3, error);
+	fclose(fin);
+	fclose(fout);
+	return ok;
+}

libsdl2_mixer/external/flac-1.3.2/src/flac/foreign_metadata.h

@@ -0,0 +1,74 @@
+/* flac - Command-line FLAC encoder/decoder
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef flac__foreign_metadata_h
+#define flac__foreign_metadata_h
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "FLAC/metadata.h"
+#include "utils.h"
+#include "share/compat.h"
+
+/* WATCHOUT: these enums are used to index internal arrays */
+typedef enum {
+	FOREIGN_BLOCK_TYPE__AIFF = 0, /* for AIFF and AIFF-C */
+	FOREIGN_BLOCK_TYPE__RIFF = 1, /* for WAVE and RF64 */
+	FOREIGN_BLOCK_TYPE__WAVE64 = 2  /* only for Sony's flavor */
+} foreign_block_type_t;
+
+typedef struct {
+	/* for encoding, this will be the offset in the WAVE/AIFF file of the chunk */
+	/* for decoding, this will be the offset in the FLAC file of the chunk data inside the APPLICATION block */
+	FLAC__off_t offset;
+	/* size is the actual size in bytes of the chunk to be stored/recreated. */
+	/* It includes the 8 bytes of chunk type and size, and any padding byte for alignment. */
+	/* For 'data'/'SSND' chunks, the size does not include the actual sound or padding bytes */
+	/* because these are not stored, they are recreated from the compressed FLAC stream. */
+	/* So for RIFF 'data', size is 8, and for AIFF 'SSND', size is 8 + 8 + ssnd_offset_size */
+	/* 32 bit size is OK because we only care about the non-sound data and FLAC metadata */
+	/* only supports a few megs anyway. */
+	FLAC__uint32 size;
+} foreign_block_t;
+
+typedef struct {
+	foreign_block_type_t type; /* currently we don't support multiple foreign types in a stream (and maybe never will) */
+	foreign_block_t *blocks;
+	size_t num_blocks;
+	size_t format_block; /* block number of 'fmt ' or 'COMM' chunk */
+	size_t audio_block; /* block number of 'data' or 'SSND' chunk */
+	FLAC__bool is_rf64; /* always false if type!=RIFF */
+	FLAC__uint32 ssnd_offset_size; /* 0 if type!=AIFF */
+} foreign_metadata_t;
+
+foreign_metadata_t *flac__foreign_metadata_new(foreign_block_type_t type);
+
+void flac__foreign_metadata_delete(foreign_metadata_t *fm);
+
+FLAC__bool flac__foreign_metadata_read_from_aiff(foreign_metadata_t *fm, const char *filename, const char **error);
+FLAC__bool flac__foreign_metadata_read_from_wave(foreign_metadata_t *fm, const char *filename, const char **error);
+FLAC__bool flac__foreign_metadata_read_from_wave64(foreign_metadata_t *fm, const char *filename, const char **error);
+FLAC__bool flac__foreign_metadata_write_to_flac(foreign_metadata_t *fm, const char *infilename, const char *outfilename, const char **error);
+
+FLAC__bool flac__foreign_metadata_read_from_flac(foreign_metadata_t *fm, const char *filename, const char **error);
+FLAC__bool flac__foreign_metadata_write_to_iff(foreign_metadata_t *fm, const char *infilename, const char *outfilename, FLAC__off_t offset1, FLAC__off_t offset2, FLAC__off_t offset3, const char **error);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/flac/iffscan.c

@@ -0,0 +1,129 @@
+/* iffscan - Simple AIFF/RIFF chunk scanner
+ * Copyright (C) 2007-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "share/compat.h"
+#include "foreign_metadata.h"
+
+static FLAC__uint32 unpack32be_(const FLAC__byte *b)
+{
+	return ((FLAC__uint32)b[0]<<24) + ((FLAC__uint32)b[1]<<16) + ((FLAC__uint32)b[2]<<8) + (FLAC__uint32)b[3];
+}
+
+static FLAC__uint32 unpack32le_(const FLAC__byte *b)
+{
+	return (FLAC__uint32)b[0] + ((FLAC__uint32)b[1]<<8) + ((FLAC__uint32)b[2]<<16) + ((FLAC__uint32)b[3]<<24);
+}
+
+static FLAC__uint64 unpack64le_(const FLAC__byte *b)
+{
+	return (FLAC__uint64)b[0] + ((FLAC__uint64)b[1]<<8) + ((FLAC__uint64)b[2]<<16) + ((FLAC__uint64)b[3]<<24) + ((FLAC__uint64)b[4]<<32) + ((FLAC__uint64)b[5]<<40) + ((FLAC__uint64)b[6]<<48) + ((FLAC__uint64)b[7]<<56);
+}
+
+static FLAC__uint32 unpack32_(const FLAC__byte *b, foreign_block_type_t type)
+{
+	if(type == FOREIGN_BLOCK_TYPE__AIFF)
+		return unpack32be_(b);
+	else
+		return unpack32le_(b);
+}
+
+int main(int argc, char *argv[])
+{
+	FILE *f;
+	char buf[36];
+	foreign_metadata_t *fm;
+	const char *fn, *error;
+	size_t i;
+	FLAC__uint32 size;
+
+#ifdef _WIN32
+	if (get_utf8_argv(&argc, &argv) != 0) {
+		fprintf(stderr, "ERROR: failed to convert command line parameters to UTF-8\n");
+		return 1;
+	}
+#endif
+
+	if(argc != 2) {
+		flac_fprintf(stderr, "usage: %s { file.wav | file.aif }\n", argv[0]);
+		return 1;
+	}
+	fn = argv[1];
+	if(0 == (f = flac_fopen(fn, "rb")) || fread(buf, 1, 4, f) != 4) {
+		flac_fprintf(stderr, "ERROR opening %s for reading\n", fn);
+		return 1;
+	}
+	fclose(f);
+	if(0 == (fm = flac__foreign_metadata_new(memcmp(buf, "RIFF", 4) && memcmp(buf, "RF64", 4)? FOREIGN_BLOCK_TYPE__AIFF : FOREIGN_BLOCK_TYPE__RIFF))) {
+		flac_fprintf(stderr, "ERROR: out of memory\n");
+		return 1;
+	}
+	if(fm->type == FOREIGN_BLOCK_TYPE__AIFF) {
+		if(!flac__foreign_metadata_read_from_aiff(fm, fn, &error)) {
+			flac_fprintf(stderr, "ERROR reading chunks from %s: %s\n", fn, error);
+			return 1;
+		}
+	}
+	else {
+		if(!flac__foreign_metadata_read_from_wave(fm, fn, &error)) {
+			flac_fprintf(stderr, "ERROR reading chunks from %s: %s\n", fn, error);
+			return 1;
+		}
+	}
+	if(0 == (f = flac_fopen(fn, "rb"))) {
+		flac_fprintf(stderr, "ERROR opening %s for reading\n", fn);
+		return 1;
+	}
+	for(i = 0; i < fm->num_blocks; i++) {
+		if(fseeko(f, fm->blocks[i].offset, SEEK_SET) < 0) {
+			flac_fprintf(stderr, "ERROR seeking in %s\n", fn);
+			return 1;
+		}
+		if(fread(buf, 1, i==0?12:8, f) != (i==0?12:8)) {
+			flac_fprintf(stderr, "ERROR reading %s\n", fn);
+			return 1;
+		}
+		size = unpack32_((FLAC__byte*)buf+4, fm->type);
+		printf("block:[%c%c%c%c] size=%08x=(%10u)", buf[0], buf[1], buf[2], buf[3], size, size);
+		if(i == 0)
+			printf(" type:[%c%c%c%c]", buf[8], buf[9], buf[10], buf[11]);
+		else if(fm->type == FOREIGN_BLOCK_TYPE__AIFF && i == fm->audio_block)
+			printf(" offset size=%08x=(%10u)", fm->ssnd_offset_size, fm->ssnd_offset_size);
+		else if(fm->type == FOREIGN_BLOCK_TYPE__RIFF && i == 1 && !memcmp(buf, "ds64", 4)) {
+			if(fread(buf+8, 1, 36-8, f) != 36-8) {
+				flac_fprintf(stderr, "ERROR reading %s\n", fn);
+				return 1;
+			}
+			printf("\n    RIFF size=%016" PRIx64 "=(%20" PRIu64 ")", unpack64le_((FLAC__byte*)buf+8), unpack64le_((FLAC__byte*)buf+8));
+			printf("\n    data size=%016" PRIx64 "=(%20" PRIu64 ")", unpack64le_((FLAC__byte*)buf+16), unpack64le_((FLAC__byte*)buf+16));
+			printf("\n    sample count=%016" PRIx64 "=(%20" PRIu64 ")", unpack64le_((FLAC__byte*)buf+24), unpack64le_((FLAC__byte*)buf+24));
+			printf("\n    table size=%08x=(%10u)", unpack32le_((FLAC__byte*)buf+32), unpack32le_((FLAC__byte*)buf+32));
+		}
+		printf("\n");
+	}
+	fclose(f);
+	flac__foreign_metadata_delete(fm);
+	return 0;
+}

libsdl2_mixer/external/flac-1.3.2/src/flac/iffscan.vcproj

@@ -0,0 +1,207 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="iffscan"
+	ProjectGUID="{4cefbc94-c215-11db-8314-0800200c9a66}"
+	RootNamespace="iffscan"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="$(SolutionDir)objs\$(ConfigurationName)\bin"
+			IntermediateDirectory="$(ConfigurationName)_iffscan"
+			ConfigurationType="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				AdditionalIncludeDirectories=".;..\..\include"
+				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;FLAC__HAS_OGG;FLAC__NO_DLL;DEBUG"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="1"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="4"
+				CompileAs="0"
+				DisableSpecificWarnings="4267;4996"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="$(SolutionDir)objs\$(ConfigurationName)\lib\libogg_static.lib"
+				LinkIncremental="2"
+				IgnoreDefaultLibraryNames="uuid.lib"
+				GenerateDebugInformation="true"
+				SubSystem="1"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="$(SolutionDir)objs\$(ConfigurationName)\bin"
+			IntermediateDirectory="$(ConfigurationName)_iffscan"
+			ConfigurationType="1"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				EnableIntrinsicFunctions="true"
+				FavorSizeOrSpeed="1"
+				OmitFramePointers="true"
+				WholeProgramOptimization="true"
+				AdditionalIncludeDirectories=".;..\..\include"
+				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;FLAC__HAS_OGG;FLAC__NO_DLL"
+				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="3"
+				CompileAs="0"
+				DisableSpecificWarnings="4267;4996"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="$(SolutionDir)objs\$(ConfigurationName)\lib\libogg_static.lib"
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+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
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+	</Configurations>
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+	</References>
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+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-6E5FBE522BFB}"
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+			<File
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+				>
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+			Name="Source Files"
+			Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
+			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2D32A752A2FF}"
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+			<File
+				RelativePath=".\foreign_metadata.c"
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+			<File
+				RelativePath=".\iffscan.c"
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@@ -0,0 +1,191 @@
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+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{4cefbc94-c215-11db-8314-0800200c9a66}</ProjectGuid>
+    <RootNamespace>iffscan</RootNamespace>
+    <Keyword>Win32Proj</Keyword>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
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+    <_ProjectFileVersion>12.0.30501.0</_ProjectFileVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <OutDir>$(SolutionDir)objs\$(Configuration)\bin\</OutDir>
+    <IntDir>$(Configuration)_iffscan\</IntDir>
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(SolutionDir)objs\$(Platform)\$(Configuration)\bin\</OutDir>
+    <IntDir>$(Platform)\$(Configuration)_iffscan\</IntDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <OutDir>$(SolutionDir)objs\$(Configuration)\bin\</OutDir>
+    <IntDir>$(Configuration)_iffscan\</IntDir>
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(SolutionDir)objs\$(Platform)\$(Configuration)\bin\</OutDir>
+    <IntDir>$(Platform)\$(Configuration)_iffscan\</IntDir>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <Optimization>Disabled</Optimization>
+      <AdditionalIncludeDirectories>.;..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;FLAC__HAS_OGG;FLAC__NO_DLL;DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <MinimalRebuild>true</MinimalRebuild>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <CompileAs>Default</CompileAs>
+      <DisableSpecificWarnings>4267;4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+    </ClCompile>
+    <Link>
+      <AdditionalDependencies>$(SolutionDir)objs\$(Configuration)\lib\libogg_static.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <IgnoreSpecificDefaultLibraries>uuid.lib;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Console</SubSystem>
+      <TargetMachine>MachineX86</TargetMachine>
+    </Link>
+  </ItemDefinitionGroup>
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+    <ClCompile>
+      <Optimization>Disabled</Optimization>
+      <AdditionalIncludeDirectories>.;..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <CompileAs>Default</CompileAs>
+      <DisableSpecificWarnings>4267;4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+    </ClCompile>
+    <Link>
+      <AdditionalDependencies>$(SolutionDir)objs\$(Platform)\$(Configuration)\lib\libogg_static.lib;%(AdditionalDependencies)</AdditionalDependencies>
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+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
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+      <WholeProgramOptimization>true</WholeProgramOptimization>
+      <AdditionalIncludeDirectories>.;..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;FLAC__HAS_OGG;FLAC__NO_DLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
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+      <WarningLevel>Level3</WarningLevel>
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+      <CompileAs>Default</CompileAs>
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+    </ClCompile>
+    <Link>
+      <AdditionalDependencies>$(SolutionDir)objs\$(Configuration)\lib\libogg_static.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <IgnoreSpecificDefaultLibraries>uuid.lib;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Console</SubSystem>
+      <OptimizeReferences>true</OptimizeReferences>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
+      <TargetMachine>MachineX86</TargetMachine>
+    </Link>
+  </ItemDefinitionGroup>
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+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
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+      <WholeProgramOptimization>true</WholeProgramOptimization>
+      <AdditionalIncludeDirectories>.;..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;FLAC__HAS_OGG;FLAC__NO_DLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
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+      <OptimizeReferences>true</OptimizeReferences>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
+    </Link>
+  </ItemDefinitionGroup>
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+    <ClInclude Include="foreign_metadata.h" />
+  </ItemGroup>
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+    <ClCompile Include="foreign_metadata.c" />
+    <ClCompile Include="iffscan.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\libFLAC\libFLAC_static.vcxproj">
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+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
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libsdl2_mixer/external/flac-1.3.2/src/flac/iffscan.vcxproj.filters

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+    <Filter Include="Header Files">
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+      <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
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+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2D32A752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
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+    <ClInclude Include="foreign_metadata.h">
+      <Filter>Header Files</Filter>
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+    <ClCompile Include="foreign_metadata.c">
+      <Filter>Source Files</Filter>
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+      <Filter>Source Files</Filter>
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+  </ItemGroup>
+</Project>

libsdl2_mixer/external/flac-1.3.2/src/flac/local_string_utils.c

@@ -0,0 +1,109 @@
+/* flac - Command-line FLAC encoder/decoder
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <string.h>
+
+#include "utils.h"
+#include "local_string_utils.h"
+
+/*	$OpenBSD: strlcpy.c,v 1.8 2003/06/17 21:56:24 millert Exp $
+ *
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ *
+ * Copy src to string dst of size siz.  At most siz-1 characters
+ * will be copied.  Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t
+flac__strlcpy(char *dst, const char *src, size_t siz)
+{
+	register char *d = dst;
+	register const char *s = src;
+	register size_t n = siz;
+
+	/* Copy as many bytes as will fit */
+	if (n != 0 && --n != 0) {
+		do {
+			if ((*d++ = *s++) == 0)
+				break;
+		} while (--n != 0);
+	}
+
+	/* Not enough room in dst, add NUL and traverse rest of src */
+	if (n == 0) {
+		if (siz != 0)
+			*d = '\0';		/* NUL-terminate dst */
+		while (*s++)
+			;
+	}
+
+	return(s - src - 1);	/* count does not include NUL */
+}
+
+/*	$OpenBSD: strlcat.c,v 1.11 2003/06/17 21:56:24 millert Exp $
+ *
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ *
+ * Appends src to string dst of size siz (unlike strncat, siz is the
+ * full size of dst, not space left).  At most siz-1 characters
+ * will be copied.  Always NUL terminates (unless siz <= strlen(dst)).
+ * Returns strlen(src) + MIN(siz, strlen(initial dst)).
+ * If retval >= siz, truncation occurred.
+ */
+size_t
+flac__strlcat(char *dst, const char *src, size_t siz)
+{
+	register char *d = dst;
+	register const char *s = src;
+	register size_t n = siz;
+	size_t dlen;
+
+	/* Find the end of dst and adjust bytes left but don't go past end */
+	while (n-- != 0 && *d != '\0')
+		d++;
+	dlen = d - dst;
+	n = siz - dlen;
+
+	if (n == 0)
+		return(dlen + strlen(s));
+	while (*s != '\0') {
+		if (n != 1) {
+			*d++ = *s;
+			n--;
+		}
+		s++;
+	}
+	*d = '\0';
+
+	return(dlen + (s - src));	/* count does not include NUL */
+}

libsdl2_mixer/external/flac-1.3.2/src/flac/local_string_utils.h

@@ -0,0 +1,28 @@
+/* flac - Command-line FLAC encoder/decoder
+ * Copyright (C) 2002-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef flac__local_string_utils_h
+#define flac__local_string_utils_h
+
+#include <stdlib.h> /* for size_t */
+
+size_t flac__strlcpy(char *dst, const char *src, size_t siz);
+size_t flac__strlcat(char *dst, const char *src, size_t siz);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/flac/utils.c

@@ -0,0 +1,418 @@
+/* flac - Command-line FLAC encoder/decoder
+ * Copyright (C) 2002-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <math.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "utils.h"
+#include "FLAC/assert.h"
+#include "FLAC/metadata.h"
+#include "share/compat.h"
+#ifndef _WIN32
+#include <wchar.h>
+#ifdef HAVE_TERMIOS_H
+# include <termios.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+# include <sys/ioctl.h>
+#endif
+#endif
+
+const char *CHANNEL_MASK_TAG = "WAVEFORMATEXTENSIBLE_CHANNEL_MASK";
+
+int flac__utils_verbosity_ = 2;
+
+static FLAC__bool local__parse_uint64_(const char *s, FLAC__uint64 *value)
+{
+	FLAC__uint64 ret = 0;
+	char c;
+
+	if(*s == '\0')
+		return false;
+
+	while('\0' != (c = *s++))
+		if(c >= '0' && c <= '9')
+			ret = ret * 10 + (c - '0');
+		else
+			return false;
+
+	*value = ret;
+	return true;
+}
+
+static FLAC__bool local__parse_timecode_(const char *s, double *value)
+{
+	double ret;
+	unsigned i;
+	char c, *endptr;
+
+	/* parse [0-9][0-9]*: */
+	c = *s++;
+	if(c >= '0' && c <= '9')
+		i = (c - '0');
+	else
+		return false;
+	while(':' != (c = *s++)) {
+		if(c >= '0' && c <= '9')
+			i = i * 10 + (c - '0');
+		else
+			return false;
+	}
+	ret = (double)i * 60.;
+
+	/* parse [0-9]*[.,]?[0-9]* i.e. a sign-less rational number (. or , OK for fractional seconds, to support different locales) */
+	if(strspn(s, "1234567890.,") != strlen(s))
+		return false;
+	ret += strtod(s, &endptr);
+	if (endptr == s || *endptr)
+		return false;
+
+	*value = ret;
+	return true;
+}
+
+static FLAC__bool local__parse_cue_(const char *s, const char *end, unsigned *track, unsigned *indx)
+{
+	FLAC__bool got_track = false, got_index = false;
+	unsigned t = 0, i = 0;
+	char c;
+
+	while(end? s < end : *s != '\0') {
+		c = *s++;
+		if(c >= '0' && c <= '9') {
+			t = t * 10 + (c - '0');
+			got_track = true;
+		}
+		else if(c == '.')
+			break;
+		else
+			return false;
+	}
+	while(end? s < end : *s != '\0') {
+		c = *s++;
+		if(c >= '0' && c <= '9') {
+			i = i * 10 + (c - '0');
+			got_index = true;
+		}
+		else
+			return false;
+	}
+	*track = t;
+	*indx = i;
+	return got_track && got_index;
+}
+
+/*
+ * this only works with sorted cuesheets (the spec strongly recommends but
+ * does not require sorted cuesheets).  but if it's not sorted, picking a
+ * nearest cue point has no significance.
+ */
+static FLAC__uint64 local__find_closest_cue_(const FLAC__StreamMetadata_CueSheet *cuesheet, unsigned track, unsigned indx, FLAC__uint64 total_samples, FLAC__bool look_forward)
+{
+	int t, i;
+	if(look_forward) {
+		for(t = 0; t < (int)cuesheet->num_tracks; t++)
+			for(i = 0; i < (int)cuesheet->tracks[t].num_indices; i++)
+				if(cuesheet->tracks[t].number > track || (cuesheet->tracks[t].number == track && cuesheet->tracks[t].indices[i].number >= indx))
+					return cuesheet->tracks[t].offset + cuesheet->tracks[t].indices[i].offset;
+		return total_samples;
+	}
+	else {
+		for(t = (int)cuesheet->num_tracks - 1; t >= 0; t--)
+			for(i = (int)cuesheet->tracks[t].num_indices - 1; i >= 0; i--)
+				if(cuesheet->tracks[t].number < track || (cuesheet->tracks[t].number == track && cuesheet->tracks[t].indices[i].number <= indx))
+					return cuesheet->tracks[t].offset + cuesheet->tracks[t].indices[i].offset;
+		return 0;
+	}
+}
+
+void flac__utils_printf(FILE *stream, int level, const char *format, ...)
+{
+	if(flac__utils_verbosity_ >= level) {
+		va_list args;
+
+		FLAC__ASSERT(0 != format);
+
+		va_start(args, format);
+
+		(void) flac_vfprintf(stream, format, args);
+
+		va_end(args);
+
+#ifdef _MSC_VER
+		if(stream == stderr)
+			fflush(stream); /* for some reason stderr is buffered in at least some if not all MSC libs */
+#endif
+	}
+}
+
+/* variables and functions for console status output */
+static FLAC__bool is_name_printed;
+static int stats_char_count = 0;
+static int console_width;
+static int console_chars_left;
+
+int get_console_width(void)
+{
+	int width = 0;
+#if defined _WIN32
+	width = win_get_console_width();
+#elif defined __EMX__
+	int s[2];
+	_scrsize (s);
+	width = s[0];
+#elif defined TIOCGWINSZ
+	struct winsize w;
+	if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1)
+		width = w.ws_col;
+#endif
+	if (width <= 0)
+		width = 80;
+	return width;
+}
+
+size_t strlen_console(const char *text)
+{
+#ifdef _WIN32
+	return strlen_utf8(text);
+#else
+	size_t len;
+	wchar_t *wtmp;
+
+	len = strlen(text)+1;
+	wtmp = (wchar_t *)malloc(len*sizeof(wchar_t));
+	if (wtmp == NULL) return len-1;
+	mbstowcs(wtmp, text, len);
+	len = wcswidth(wtmp, len);
+	free(wtmp);
+
+	return len;
+#endif
+}
+
+void stats_new_file(void)
+{
+	is_name_printed = false;
+}
+
+void stats_clear(void)
+{
+	while (stats_char_count > 0 && stats_char_count--)
+		fprintf(stderr, "\b");
+}
+
+void stats_print_name(int level, const char *name)
+{
+	int len;
+
+	if (flac__utils_verbosity_ >= level) {
+		stats_clear();
+		if(is_name_printed) return;
+
+		console_width = get_console_width();
+		len = strlen_console(name)+2;
+		console_chars_left = console_width  - (len % console_width);
+		flac_fprintf(stderr, "%s: ", name);
+		is_name_printed = true;
+	}
+}
+
+void stats_print_info(int level, const char *format, ...)
+{
+	char tmp[80];
+	int len, clear_len;
+
+	if (flac__utils_verbosity_ >= level) {
+		va_list args;
+		va_start(args, format);
+		len = flac_vsnprintf(tmp, sizeof(tmp), format, args);
+		va_end(args);
+		stats_clear();
+		if (len >= console_chars_left) {
+			clear_len = console_chars_left;
+			while (clear_len > 0 && clear_len--) fprintf(stderr, " ");
+			fprintf(stderr, "\n");
+			console_chars_left = console_width;
+		}
+		stats_char_count = fprintf(stderr, "%s", tmp);
+		fflush(stderr);
+	}
+}
+
+#ifdef FLAC__VALGRIND_TESTING
+size_t flac__utils_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)
+{
+	size_t ret = fwrite(ptr, size, nmemb, stream);
+	if(!ferror(stream))
+		fflush(stream);
+	return ret;
+}
+#endif
+
+FLAC__bool flac__utils_parse_skip_until_specification(const char *s, utils__SkipUntilSpecification *spec)
+{
+	FLAC__uint64 val;
+	FLAC__bool is_negative = false;
+
+	FLAC__ASSERT(0 != spec);
+
+	spec->is_relative = false;
+	spec->value_is_samples = true;
+	spec->value.samples = 0;
+
+	if(0 != s) {
+		if(s[0] == '-') {
+			is_negative = true;
+			spec->is_relative = true;
+			s++;
+		}
+		else if(s[0] == '+') {
+			spec->is_relative = true;
+			s++;
+		}
+
+		if(local__parse_uint64_(s, &val)) {
+			spec->value_is_samples = true;
+			spec->value.samples = (FLAC__int64)val;
+			if(is_negative)
+				spec->value.samples = -(spec->value.samples);
+		}
+		else {
+			double d;
+			if(!local__parse_timecode_(s, &d))
+				return false;
+			spec->value_is_samples = false;
+			spec->value.seconds = d;
+			if(is_negative)
+				spec->value.seconds = -(spec->value.seconds);
+		}
+	}
+
+	return true;
+}
+
+void flac__utils_canonicalize_skip_until_specification(utils__SkipUntilSpecification *spec, unsigned sample_rate)
+{
+	FLAC__ASSERT(0 != spec);
+	if(!spec->value_is_samples) {
+		spec->value.samples = (FLAC__int64)(spec->value.seconds * (double)sample_rate);
+		spec->value_is_samples = true;
+	}
+}
+
+FLAC__bool flac__utils_parse_cue_specification(const char *s, utils__CueSpecification *spec)
+{
+	const char *start = s, *end = 0;
+
+	FLAC__ASSERT(0 != spec);
+
+	spec->has_start_point = spec->has_end_point = false;
+
+	s = strchr(s, '-');
+
+	if(0 != s) {
+		if(s == start)
+			start = 0;
+		end = s+1;
+		if(*end == '\0')
+			end = 0;
+	}
+
+	if(start) {
+		if(!local__parse_cue_(start, s, &spec->start_track, &spec->start_index))
+			return false;
+		spec->has_start_point = true;
+	}
+
+	if(end) {
+		if(!local__parse_cue_(end, 0, &spec->end_track, &spec->end_index))
+			return false;
+		spec->has_end_point = true;
+	}
+
+	return true;
+}
+
+void flac__utils_canonicalize_cue_specification(const utils__CueSpecification *cue_spec, const FLAC__StreamMetadata_CueSheet *cuesheet, FLAC__uint64 total_samples, utils__SkipUntilSpecification *skip_spec, utils__SkipUntilSpecification *until_spec)
+{
+	FLAC__ASSERT(0 != cue_spec);
+	FLAC__ASSERT(0 != cuesheet);
+	FLAC__ASSERT(0 != total_samples);
+	FLAC__ASSERT(0 != skip_spec);
+	FLAC__ASSERT(0 != until_spec);
+
+	skip_spec->is_relative = false;
+	skip_spec->value_is_samples = true;
+
+	until_spec->is_relative = false;
+	until_spec->value_is_samples = true;
+
+	if(cue_spec->has_start_point)
+		skip_spec->value.samples = local__find_closest_cue_(cuesheet, cue_spec->start_track, cue_spec->start_index, total_samples, /*look_forward=*/false);
+	else
+		skip_spec->value.samples = 0;
+
+	if(cue_spec->has_end_point)
+		until_spec->value.samples = local__find_closest_cue_(cuesheet, cue_spec->end_track, cue_spec->end_index, total_samples, /*look_forward=*/true);
+	else
+		until_spec->value.samples = total_samples;
+}
+
+FLAC__bool flac__utils_set_channel_mask_tag(FLAC__StreamMetadata *object, FLAC__uint32 channel_mask)
+{
+	FLAC__StreamMetadata_VorbisComment_Entry entry = { 0, 0 };
+	char tag[128];
+
+	FLAC__ASSERT(object);
+	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
+	FLAC__ASSERT(strlen(CHANNEL_MASK_TAG)+1+2+16+1 <= sizeof(tag)); /* +1 for =, +2 for 0x, +16 for digits, +1 for NUL */
+	entry.entry = (FLAC__byte*)tag;
+	if((entry.length = flac_snprintf(tag, sizeof(tag), "%s=0x%04X", CHANNEL_MASK_TAG, (unsigned)channel_mask)) >= sizeof(tag))
+		return false;
+	if(!FLAC__metadata_object_vorbiscomment_replace_comment(object, entry, /*all=*/true, /*copy=*/true))
+		return false;
+	return true;
+}
+
+FLAC__bool flac__utils_get_channel_mask_tag(const FLAC__StreamMetadata *object, FLAC__uint32 *channel_mask)
+{
+	int offset;
+	unsigned val;
+	char *p;
+	FLAC__ASSERT(object);
+	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
+	if(0 > (offset = FLAC__metadata_object_vorbiscomment_find_entry_from(object, /*offset=*/0, CHANNEL_MASK_TAG)))
+		return false;
+	if(object->data.vorbis_comment.comments[offset].length < strlen(CHANNEL_MASK_TAG)+4)
+		return false;
+	if(0 == (p = strchr((const char *)object->data.vorbis_comment.comments[offset].entry, '='))) /* should never happen, but just in case */
+		return false;
+	if(FLAC__STRNCASECMP(p, "=0x", 3))
+		return false;
+	if(sscanf(p+3, "%x", &val) != 1)
+		return false;
+	*channel_mask = val;
+	return true;
+}

libsdl2_mixer/external/flac-1.3.2/src/flac/utils.h

@@ -0,0 +1,73 @@
+/* flac - Command-line FLAC encoder/decoder
+ * Copyright (C) 2002-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef flac__utils_h
+#define flac__utils_h
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "FLAC/ordinals.h"
+#include "FLAC/format.h" /* for FLAC__StreamMetadata_CueSheet */
+#include <stdio.h> /* for FILE */
+
+typedef enum { FORMAT_RAW, FORMAT_WAVE, FORMAT_WAVE64, FORMAT_RF64, FORMAT_AIFF, FORMAT_AIFF_C, FORMAT_FLAC, FORMAT_OGGFLAC } FileFormat;
+
+typedef struct {
+	FLAC__bool is_relative; /* i.e. specification string started with + or - */
+	FLAC__bool value_is_samples;
+	union {
+		double seconds;
+		FLAC__int64 samples;
+	} value;
+} utils__SkipUntilSpecification;
+
+typedef struct {
+	FLAC__bool has_start_point, has_end_point;
+	unsigned start_track, start_index;
+	unsigned end_track, end_index;
+} utils__CueSpecification;
+
+#ifdef FLAC__VALGRIND_TESTING
+size_t flac__utils_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
+#else
+#define flac__utils_fwrite fwrite
+#endif
+
+extern int flac__utils_verbosity_;
+void flac__utils_printf(FILE *stream, int level, const char *format, ...);
+
+int get_console_width(void);
+size_t strlen_console(const char *text);
+void stats_new_file(void);
+void stats_clear(void);
+void stats_print_name(int level, const char *name);
+void stats_print_info(int level, const char *format, ...);
+
+FLAC__bool flac__utils_parse_skip_until_specification(const char *s, utils__SkipUntilSpecification *spec);
+void flac__utils_canonicalize_skip_until_specification(utils__SkipUntilSpecification *spec, unsigned sample_rate);
+
+FLAC__bool flac__utils_parse_cue_specification(const char *s, utils__CueSpecification *spec);
+void flac__utils_canonicalize_cue_specification(const utils__CueSpecification *cue_spec, const FLAC__StreamMetadata_CueSheet *cuesheet, FLAC__uint64 total_samples, utils__SkipUntilSpecification *skip_spec, utils__SkipUntilSpecification *until_spec);
+
+FLAC__bool flac__utils_set_channel_mask_tag(FLAC__StreamMetadata *object, FLAC__uint32 channel_mask);
+FLAC__bool flac__utils_get_channel_mask_tag(const FLAC__StreamMetadata *object, FLAC__uint32 *channel_mask);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/flac/vorbiscomment.c

@@ -0,0 +1,254 @@
+/* flac - Command-line FLAC encoder/decoder
+ * Copyright (C) 2002-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "vorbiscomment.h"
+#include "FLAC/assert.h"
+#include "FLAC/metadata.h"
+#include "share/grabbag.h" /* for grabbag__file_get_filesize() */
+#include "share/utf8.h"
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "share/compat.h"
+
+
+/*
+ * This struct and the following 4 static functions are copied from
+ * ../metaflac/.  Maybe someday there will be a convenience
+ * library for Vorbis comment parsing.
+ */
+typedef struct {
+	char *field; /* the whole field as passed on the command line, i.e. "NAME=VALUE" */
+	char *field_name;
+	/* according to the vorbis spec, field values can contain \0 so simple C strings are not enough here */
+	unsigned field_value_length;
+	char *field_value;
+	FLAC__bool field_value_from_file; /* true if field_value holds a filename for the value, false for plain value */
+} Argument_VcField;
+
+static void die(const char *message)
+{
+	FLAC__ASSERT(0 != message);
+	fprintf(stderr, "ERROR: %s\n", message);
+	exit(1);
+}
+
+static char *local_strdup(const char *source)
+{
+	char *ret;
+	FLAC__ASSERT(0 != source);
+	if(0 == (ret = strdup(source)))
+		die("out of memory during strdup()");
+	return ret;
+}
+
+static FLAC__bool parse_vorbis_comment_field(const char *field_ref, char **field, char **name, char **value, unsigned *length, const char **violation)
+{
+	static const char * const violations[] = {
+		"field name contains invalid character",
+		"field contains no '=' character"
+	};
+
+	char *p, *q, *s;
+
+	if(0 != field)
+		*field = local_strdup(field_ref);
+
+	s = local_strdup(field_ref);
+
+	if(0 == (p = strchr(s, '='))) {
+		free(s);
+		*violation = violations[1];
+		return false;
+	}
+	*p++ = '\0';
+
+	for(q = s; *q; q++) {
+		if(*q < 0x20 || *q > 0x7d || *q == 0x3d) {
+			free(s);
+			*violation = violations[0];
+			return false;
+		}
+	}
+
+	*name = local_strdup(s);
+	*value = local_strdup(p);
+	*length = strlen(p);
+
+	free(s);
+	return true;
+}
+
+/* slight modification: no 'filename' arg, and errors are passed back in 'violation' instead of printed to stderr */
+static FLAC__bool set_vc_field(FLAC__StreamMetadata *block, const Argument_VcField *field, FLAC__bool *needs_write, FLAC__bool raw, const char **violation)
+{
+	FLAC__StreamMetadata_VorbisComment_Entry entry;
+	char *converted = NULL;
+
+	FLAC__ASSERT(0 != block);
+	FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
+	FLAC__ASSERT(0 != field);
+	FLAC__ASSERT(0 != needs_write);
+
+	if(field->field_value_from_file) {
+		/* read the file into 'data' */
+		FILE *f = 0;
+		char *data = 0;
+		const FLAC__off_t size = grabbag__file_get_filesize(field->field_value);
+		if(size < 0) {
+			*violation = "can't open file for tag value";
+			return false;
+		}
+		if(size >= 0x100000) { /* magic arbitrary limit, actual format limit is near 16MB */
+			*violation = "file for tag value is too large";
+			return false;
+		}
+		if(0 == (data = malloc(size+1)))
+			die("out of memory allocating tag value");
+		data[size] = '\0';
+		if(0 == (f = flac_fopen(field->field_value, "rb")) || fread(data, 1, size, f) != (size_t)size) {
+			free(data);
+			if(f)
+				fclose(f);
+			*violation = "error while reading file for tag value";
+			return false;
+		}
+		fclose(f);
+		if(strlen(data) != (size_t)size) {
+			free(data);
+			*violation = "file for tag value has embedded NULs";
+			return false;
+		}
+
+		/* move 'data' into 'converted', converting to UTF-8 if necessary */
+		if(raw) {
+			converted = data;
+		}
+		else if(utf8_encode(data, &converted) >= 0) {
+			free(data);
+		}
+		else {
+			free(data);
+			*violation = "error converting file contents to UTF-8 for tag value";
+			return false;
+		}
+
+		/* create and entry and append it */
+		if(!FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, field->field_name, converted)) {
+			free(converted);
+			*violation = "file for tag value is not valid UTF-8";
+			return false;
+		}
+		free(converted);
+		if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/false)) {
+			*violation = "memory allocation failure";
+			return false;
+		}
+
+		*needs_write = true;
+		return true;
+	}
+	else {
+		FLAC__bool needs_free = false;
+#ifdef _WIN32 /* everything in UTF-8 already. Must not alter */
+		entry.entry = (FLAC__byte *)field->field;
+#else
+		if(raw) {
+			entry.entry = (FLAC__byte *)field->field;
+		}
+		else if(utf8_encode(field->field, &converted) >= 0) {
+			entry.entry = (FLAC__byte *)converted;
+			needs_free = true;
+		}
+		else {
+			*violation = "error converting comment to UTF-8";
+			return false;
+		}
+#endif
+		entry.length = strlen((const char *)entry.entry);
+		if(!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length)) {
+			if(needs_free)
+				free(converted);
+			/*
+			 * our previous parsing has already established that the field
+			 * name is OK, so it must be the field value
+			 */
+			*violation = "tag value is not valid UTF-8";
+			return false;
+		}
+
+		if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/true)) {
+			if(needs_free)
+				free(converted);
+			*violation = "memory allocation failure";
+			return false;
+		}
+
+		*needs_write = true;
+		if(needs_free)
+			free(converted);
+		return true;
+	}
+}
+
+/*
+ * The rest of the code is novel
+ */
+
+static void free_field(Argument_VcField *obj)
+{
+	if(0 != obj->field)
+		free(obj->field);
+	if(0 != obj->field_name)
+		free(obj->field_name);
+	if(0 != obj->field_value)
+		free(obj->field_value);
+}
+
+FLAC__bool flac__vorbiscomment_add(FLAC__StreamMetadata *block, const char *comment, FLAC__bool value_from_file, FLAC__bool raw, const char **violation)
+{
+	Argument_VcField parsed;
+	FLAC__bool dummy;
+
+	FLAC__ASSERT(0 != block);
+	FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
+	FLAC__ASSERT(0 != comment);
+
+	memset(&parsed, 0, sizeof(parsed));
+
+	parsed.field_value_from_file = value_from_file;
+	if(!parse_vorbis_comment_field(comment, &(parsed.field), &(parsed.field_name), &(parsed.field_value), &(parsed.field_value_length), violation)) {
+		free_field(&parsed);
+		return false;
+	}
+
+	if(parsed.field_value_length > 0 && !set_vc_field(block, &parsed, &dummy, raw, violation)) {
+		free_field(&parsed);
+		return false;
+	}
+	else {
+		free_field(&parsed);
+		return true;
+	}
+}

libsdl2_mixer/external/flac-1.3.2/src/flac/vorbiscomment.h

@@ -0,0 +1,27 @@
+/* flac - Command-line FLAC encoder/decoder
+ * Copyright (C) 2002-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef flac__vorbiscomment_h
+#define flac__vorbiscomment_h
+
+#include "FLAC/metadata.h"
+
+FLAC__bool flac__vorbiscomment_add(FLAC__StreamMetadata *block, const char *comment, FLAC__bool value_from_file, FLAC__bool raw, const char **violation);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC++/Makefile.am

@@ -0,0 +1,58 @@
+#  libFLAC++ - Free Lossless Audio Codec library
+#  Copyright (C) 2002-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#
+#  - Redistributions of source code must retain the above copyright
+#  notice, this list of conditions and the following disclaimer.
+#
+#  - Redistributions in binary form must reproduce the above copyright
+#  notice, this list of conditions and the following disclaimer in the
+#  documentation and/or other materials provided with the distribution.
+#
+#  - Neither the name of the Xiph.org Foundation nor the names of its
+#  contributors may be used to endorse or promote products derived from
+#  this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+#  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+lib_LTLIBRARIES = libFLAC++.la
+
+m4datadir = $(datadir)/aclocal
+m4data_DATA = libFLAC++.m4
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = flac++.pc
+AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include
+EXTRA_DIST = \
+	Makefile.lite \
+	flac++.pc.in \
+	libFLAC++_dynamic.vcproj \
+	libFLAC++_dynamic.vcxproj \
+	libFLAC++_dynamic.vcxproj.filters \
+	libFLAC++_static.vcproj \
+	libFLAC++_static.vcxproj \
+	libFLAC++_static.vcxproj.filters \
+	libFLAC++.m4
+
+# see 'http://www.gnu.org/software/libtool/manual/libtool.html#Libtool-versioning' for numbering convention
+libFLAC___la_LDFLAGS = $(AM_LDFLAGS) -no-undefined -version-info 9:0:3
+libFLAC___la_LIBADD = ../libFLAC/libFLAC.la
+
+libFLAC___la_SOURCES = \
+	metadata.cpp \
+	stream_decoder.cpp \
+	stream_encoder.cpp

libsdl2_mixer/external/flac-1.3.2/src/libFLAC++/Makefile.in

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+@SET_MAKE@
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+#  libFLAC++ - Free Lossless Audio Codec library
+#  Copyright (C) 2002-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
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+#  modification, are permitted provided that the following conditions
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+#
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+	libFLAC++_dynamic.vcxproj \
+	libFLAC++_dynamic.vcxproj.filters \
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+	libFLAC++_static.vcxproj \
+	libFLAC++_static.vcxproj.filters \
+	libFLAC++.m4
+
+
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+	stream_decoder.cpp \
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+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign src/libFLAC++/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+flac++.pc: $(top_builddir)/config.status $(srcdir)/flac++.pc.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+
+install-libLTLIBRARIES: $(lib_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
+	list2=; for p in $$list; do \
+	  if test -f $$p; then \
+	    list2="$$list2 $$p"; \
+	  else :; fi; \
+	done; \
+	test -z "$$list2" || { \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(libdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(libdir)" || exit 1; \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(libdir)'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(libdir)"; \
+	}
+
+uninstall-libLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
+	for p in $$list; do \
+	  $(am__strip_dir) \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$f'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(libdir)/$$f"; \
+	done
+
+clean-libLTLIBRARIES:
+	-test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES)
+	@list='$(lib_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
+
+libFLAC++.la: $(libFLAC___la_OBJECTS) $(libFLAC___la_DEPENDENCIES) $(EXTRA_libFLAC___la_DEPENDENCIES) 
+	$(AM_V_CXXLD)$(libFLAC___la_LINK) -rpath $(libdir) $(libFLAC___la_OBJECTS) $(libFLAC___la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/metadata.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stream_decoder.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stream_encoder.Plo@am__quote@
+
+.cpp.o:
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
+@am__fastdepCXX_TRUE@	$(CXXCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCXX_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ $<
+
+.cpp.obj:
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`;\
+@am__fastdepCXX_TRUE@	$(CXXCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ `$(CYGPATH_W) '$<'` &&\
+@am__fastdepCXX_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.cpp.lo:
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`;\
+@am__fastdepCXX_TRUE@	$(LTCXXCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCXX_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Plo
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(LTCXXCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+install-m4dataDATA: $(m4data_DATA)
+	@$(NORMAL_INSTALL)
+	@list='$(m4data_DATA)'; test -n "$(m4datadir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(m4datadir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(m4datadir)" || exit 1; \
+	fi; \
+	for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; \
+	done | $(am__base_list) | \
+	while read files; do \
+	  echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(m4datadir)'"; \
+	  $(INSTALL_DATA) $$files "$(DESTDIR)$(m4datadir)" || exit $$?; \
+	done
+
+uninstall-m4dataDATA:
+	@$(NORMAL_UNINSTALL)
+	@list='$(m4data_DATA)'; test -n "$(m4datadir)" || list=; \
+	files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+	dir='$(DESTDIR)$(m4datadir)'; $(am__uninstall_files_from_dir)
+install-pkgconfigDATA: $(pkgconfig_DATA)
+	@$(NORMAL_INSTALL)
+	@list='$(pkgconfig_DATA)'; test -n "$(pkgconfigdir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(pkgconfigdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(pkgconfigdir)" || exit 1; \
+	fi; \
+	for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; \
+	done | $(am__base_list) | \
+	while read files; do \
+	  echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(pkgconfigdir)'"; \
+	  $(INSTALL_DATA) $$files "$(DESTDIR)$(pkgconfigdir)" || exit $$?; \
+	done
+
+uninstall-pkgconfigDATA:
+	@$(NORMAL_UNINSTALL)
+	@list='$(pkgconfig_DATA)'; test -n "$(pkgconfigdir)" || list=; \
+	files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+	dir='$(DESTDIR)$(pkgconfigdir)'; $(am__uninstall_files_from_dir)
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
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+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES) $(DATA)
+installdirs:
+	for dir in "$(DESTDIR)$(libdir)" "$(DESTDIR)$(m4datadir)" "$(DESTDIR)$(pkgconfigdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libLTLIBRARIES clean-libtool \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
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+html: html-am
+
+html-am:
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+info: info-am
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+install-data-am: install-m4dataDATA install-pkgconfigDATA
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+install-exec-am: install-libLTLIBRARIES
+
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+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
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+mostlyclean: mostlyclean-am
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+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
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+pdf: pdf-am
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+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-libLTLIBRARIES uninstall-m4dataDATA \
+	uninstall-pkgconfigDATA
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+	clean-libLTLIBRARIES clean-libtool cscopelist-am ctags \
+	ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-libLTLIBRARIES install-m4dataDATA \
+	install-man install-pdf install-pdf-am install-pkgconfigDATA \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am uninstall-libLTLIBRARIES \
+	uninstall-m4dataDATA uninstall-pkgconfigDATA
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

libsdl2_mixer/external/flac-1.3.2/src/libFLAC++/Makefile.lite

@@ -0,0 +1,63 @@
+#  libFLAC++ - Free Lossless Audio Codec library
+#  Copyright (C) 2002-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#
+#  - Redistributions of source code must retain the above copyright
+#  notice, this list of conditions and the following disclaimer.
+#
+#  - Redistributions in binary form must reproduce the above copyright
+#  notice, this list of conditions and the following disclaimer in the
+#  documentation and/or other materials provided with the distribution.
+#
+#  - Neither the name of the Xiph.org Foundation nor the names of its
+#  contributors may be used to endorse or promote products derived from
+#  this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+#  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#
+# GNU makefile
+#
+
+topdir = ../..
+libdir = $(topdir)/objs/$(BUILD)/lib
+
+ifndef OS
+    OS := $(shell uname -s)
+endif
+
+ifeq ($(OS),Darwin)
+    EXPLICIT_LIBS = $(libdir)/libFLAC.a $(OGG_EXPLICIT_LIBS) -lm -lstdc++
+else
+ifeq ($(OS),FreeBSD)
+    LIBS = -lFLAC $(OGG_LIBS) -lm -lstdc++
+else
+    LIBS = -lFLAC $(OGG_LIBS) -lm -lsupc++
+endif
+endif
+
+LIB_NAME = libFLAC++
+INCLUDES = -I$(topdir)/include
+
+SRCS_CPP = \
+	metadata.cpp \
+	stream_decoder.cpp \
+	stream_encoder.cpp
+
+include $(topdir)/build/lib.mk
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.

libsdl2_mixer/external/flac-1.3.2/src/libFLAC++/flac++.pc.in

@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: FLAC++
+Description: Free Lossless Audio Codec Library (C++ API)
+Version: @VERSION@
+Requires: flac
+Libs: -L${libdir} -lFLAC++
+Cflags: -I${includedir}

libsdl2_mixer/external/flac-1.3.2/src/libFLAC++/libFLAC++.m4

@@ -0,0 +1,117 @@
+# Configure paths for libFLAC++
+# "Inspired" by ogg.m4
+# Caller must first run AM_PATH_LIBFLAC
+
+dnl AM_PATH_LIBFLACPP([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+dnl Test for libFLAC++, and define LIBFLACPP_CFLAGS, LIBFLACPP_LIBS, LIBFLACPP_LIBDIR
+dnl
+AC_DEFUN([AM_PATH_LIBFLACPP],
+[dnl 
+dnl Get the cflags and libraries
+dnl
+AC_ARG_WITH(libFLACPP,[  --with-libFLACPP=PFX   Prefix where libFLAC++ is installed (optional)], libFLACPP_prefix="$withval", libFLACPP_prefix="")
+AC_ARG_WITH(libFLACPP-libraries,[  --with-libFLACPP-libraries=DIR   Directory where libFLAC++ library is installed (optional)], libFLACPP_libraries="$withval", libFLACPP_libraries="")
+AC_ARG_WITH(libFLACPP-includes,[  --with-libFLACPP-includes=DIR   Directory where libFLAC++ header files are installed (optional)], libFLACPP_includes="$withval", libFLACPP_includes="")
+AC_ARG_ENABLE(libFLACPPtest, [  --disable-libFLACPPtest       Do not try to compile and run a test libFLAC++ program],, enable_libFLACPPtest=yes)
+
+  if test "x$libFLACPP_libraries" != "x" ; then
+    LIBFLACPP_LIBDIR="$libFLACPP_libraries"
+  elif test "x$libFLACPP_prefix" != "x" ; then
+    LIBFLACPP_LIBDIR="$libFLACPP_prefix/lib"
+  elif test "x$prefix" != "xNONE" ; then
+    LIBFLACPP_LIBDIR="$libdir"
+  fi
+
+  LIBFLACPP_LIBS="-L$LIBFLACPP_LIBDIR -lFLAC++ $LIBFLAC_LIBS"
+
+  if test "x$libFLACPP_includes" != "x" ; then
+    LIBFLACPP_CFLAGS="-I$libFLACPP_includes"
+  elif test "x$libFLACPP_prefix" != "x" ; then
+    LIBFLACPP_CFLAGS="-I$libFLACPP_prefix/include"
+  elif test "$prefix" != "xNONE"; then
+    LIBFLACPP_CFLAGS=""
+  fi
+
+  LIBFLACPP_CFLAGS="$LIBFLACPP_CFLAGS $LIBFLAC_CFLAGS"
+
+  AC_MSG_CHECKING(for libFLAC++)
+  no_libFLACPP=""
+
+
+  if test "x$enable_libFLACPPtest" = "xyes" ; then
+    ac_save_CFLAGS="$CFLAGS"
+    ac_save_CXXFLAGS="$CXXFLAGS"
+    ac_save_LIBS="$LIBS"
+    ac_save_LD_LIBRARY_PATH="$LD_LIBRARY_PATH"
+    CFLAGS="$CFLAGS $LIBFLACPP_CFLAGS"
+    CXXFLAGS="$CXXFLAGS $LIBFLACPP_CFLAGS"
+    LIBS="$LIBS $LIBFLACPP_LIBS"
+    LD_LIBRARY_PATH="$LIBFLACPP_LIBDIR:$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH"
+dnl
+dnl Now check if the installed libFLAC++ is sufficiently new.
+dnl
+      rm -f conf.libFLAC++test
+      AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <FLAC++/decoder.h>
+
+int main ()
+{
+  system("touch conf.libFLAC++test");
+  return 0;
+}
+
+],, no_libFLACPP=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+       CFLAGS="$ac_save_CFLAGS"
+       CXXFLAGS="$ac_save_CXXFLAGS"
+       LIBS="$ac_save_LIBS"
+       LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH"
+  fi
+
+  if test "x$no_libFLACPP" = "x" ; then
+     AC_MSG_RESULT(yes)
+     ifelse([$1], , :, [$1])     
+  else
+     AC_MSG_RESULT(no)
+     if test -f conf.libFLAC++test ; then
+       :
+     else
+       echo "*** Could not run libFLAC++ test program, checking why..."
+       CFLAGS="$CFLAGS $LIBFLACPP_CFLAGS"
+       CXXFLAGS="$CXXFLAGS $LIBFLACPP_CFLAGS"
+       LIBS="$LIBS $LIBFLACPP_LIBS"
+       LD_LIBRARY_PATH="$LIBFLACPP_LIBDIR:$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH"
+       AC_TRY_LINK([
+#include <stdio.h>
+#include <FLAC++/decoder.h>
+],     [ return 0; ],
+       [ echo "*** The test program compiled, but did not run. This usually means"
+       echo "*** that the run-time linker is not finding libFLAC++ or finding the wrong"
+       echo "*** version of libFLAC++. If it is not finding libFLAC++, you'll need to set your"
+       echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+       echo "*** to the installed location  Also, make sure you have run ldconfig if that"
+       echo "*** is required on your system"
+       echo "***"
+       echo "*** If you have an old version installed, it is best to remove it, although"
+       echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
+       [ echo "*** The test program failed to compile or link. See the file config.log for the"
+       echo "*** exact error that occured. This usually means libFLAC++ was incorrectly installed"
+       echo "*** or that you have moved libFLAC++ since it was installed. In the latter case, you"
+       echo "*** may want to edit the libFLAC++-config script: $LIBFLACPP_CONFIG" ])
+       CFLAGS="$ac_save_CFLAGS"
+       CXXFLAGS="$ac_save_CXXFLAGS"
+       LIBS="$ac_save_LIBS"
+       LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH"
+     fi
+     LIBFLACPP_CFLAGS=""
+     LIBFLACPP_LIBDIR=""
+     LIBFLACPP_LIBS=""
+     ifelse([$2], , :, [$2])
+  fi
+  AC_SUBST(LIBFLACPP_CFLAGS)
+  AC_SUBST(LIBFLACPP_LIBDIR)
+  AC_SUBST(LIBFLACPP_LIBS)
+  rm -f conf.libFLAC++test
+])

libsdl2_mixer/external/flac-1.3.2/src/libFLAC++/libFLAC++_dynamic.vcproj

@@ -0,0 +1,225 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="libFLAC++_dynamic"
+	ProjectGUID="{4cefbc85-c215-11db-8314-0800200c9a66}"
+	RootNamespace="libFLAC++_dynamic"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="$(SolutionDir)objs\$(ConfigurationName)\lib"
+			IntermediateDirectory="$(ConfigurationName)_dynamic"
+			ConfigurationType="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				AdditionalIncludeDirectories=".\include;..\..\include"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;FLACPP_API_EXPORTS;DEBUG"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="1"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="4"
+				DisableSpecificWarnings="4267;4996"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkIncremental="2"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="$(SolutionDir)objs\$(ConfigurationName)\lib"
+			IntermediateDirectory="$(ConfigurationName)_dynamic"
+			ConfigurationType="2"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				EnableIntrinsicFunctions="true"
+				FavorSizeOrSpeed="1"
+				OmitFramePointers="true"
+				WholeProgramOptimization="true"
+				AdditionalIncludeDirectories=".\include;..\..\include"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;FLACPP_API_EXPORTS"
+				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="3"
+				DisableSpecificWarnings="4267;4996"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkIncremental="1"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				LinkTimeCodeGeneration="1"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
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+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
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+		</Filter>
+		<Filter
+			Name="Source Files"
+			Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
+			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
+			>
+			<File
+				RelativePath=".\metadata.cpp"
+				>
+			</File>
+			<File
+				RelativePath=".\stream_decoder.cpp"
+				>
+			</File>
+			<File
+				RelativePath=".\stream_encoder.cpp"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Public Header Files"
+			>
+			<File
+				RelativePath="..\..\include\FLAC++\all.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\FLAC++\decoder.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\FLAC++\encoder.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\FLAC++\export.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\FLAC++\metadata.h"
+				>
+			</File>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>

libsdl2_mixer/external/flac-1.3.2/src/libFLAC++/libFLAC++_dynamic.vcxproj

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+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{4cefbc85-c215-11db-8314-0800200c9a66}</ProjectGuid>
+    <RootNamespace>libFLAC++_dynamic</RootNamespace>
+    <Keyword>Win32Proj</Keyword>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
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+    <ConfigurationType>DynamicLibrary</ConfigurationType>
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+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+      <SubSystem>Windows</SubSystem>
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+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
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libsdl2_mixer/external/flac-1.3.2/src/libFLAC++/libFLAC++_dynamic.vcxproj.filters

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+	RootNamespace="libFLAC++_static"
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+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="$(SolutionDir)objs\$(ConfigurationName)\lib"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="4"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				AdditionalIncludeDirectories=".\include;..\..\include"
+				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;FLAC__NO_DLL;DEBUG"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
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+		<Filter
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libsdl2_mixer/external/flac-1.3.2/src/libFLAC++/stream_decoder.cpp

@@ -0,0 +1,394 @@
+/* libFLAC++ - Free Lossless Audio Codec library
+ * Copyright (C) 2002-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "FLAC++/decoder.h"
+#include "FLAC/assert.h"
+
+#ifdef _MSC_VER
+// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning)
+#pragma warning ( disable : 4800 )
+#endif
+
+namespace FLAC {
+	namespace Decoder {
+
+		// ------------------------------------------------------------
+		//
+		// Stream
+		//
+		// ------------------------------------------------------------
+
+		Stream::Stream():
+		decoder_(::FLAC__stream_decoder_new())
+		{ }
+
+		Stream::~Stream()
+		{
+			if(0 != decoder_) {
+				(void)::FLAC__stream_decoder_finish(decoder_);
+				::FLAC__stream_decoder_delete(decoder_);
+			}
+		}
+
+		bool Stream::is_valid() const
+		{
+			return 0 != decoder_;
+		}
+
+		bool Stream::set_ogg_serial_number(long value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_set_ogg_serial_number(decoder_, value);
+		}
+
+		bool Stream::set_md5_checking(bool value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_set_md5_checking(decoder_, value);
+		}
+
+		bool Stream::set_metadata_respond(::FLAC__MetadataType type)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_set_metadata_respond(decoder_, type);
+		}
+
+		bool Stream::set_metadata_respond_application(const FLAC__byte id[4])
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_set_metadata_respond_application(decoder_, id);
+		}
+
+		bool Stream::set_metadata_respond_all()
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_set_metadata_respond_all(decoder_);
+		}
+
+		bool Stream::set_metadata_ignore(::FLAC__MetadataType type)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_set_metadata_ignore(decoder_, type);
+		}
+
+		bool Stream::set_metadata_ignore_application(const FLAC__byte id[4])
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_set_metadata_ignore_application(decoder_, id);
+		}
+
+		bool Stream::set_metadata_ignore_all()
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_set_metadata_ignore_all(decoder_);
+		}
+
+		Stream::State Stream::get_state() const
+		{
+			FLAC__ASSERT(is_valid());
+			return State(::FLAC__stream_decoder_get_state(decoder_));
+		}
+
+		bool Stream::get_md5_checking() const
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_get_md5_checking(decoder_);
+		}
+
+		FLAC__uint64 Stream::get_total_samples() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_decoder_get_total_samples(decoder_);
+		}
+
+		unsigned Stream::get_channels() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_decoder_get_channels(decoder_);
+		}
+
+		::FLAC__ChannelAssignment Stream::get_channel_assignment() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_decoder_get_channel_assignment(decoder_);
+		}
+
+		unsigned Stream::get_bits_per_sample() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_decoder_get_bits_per_sample(decoder_);
+		}
+
+		unsigned Stream::get_sample_rate() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_decoder_get_sample_rate(decoder_);
+		}
+
+		unsigned Stream::get_blocksize() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_decoder_get_blocksize(decoder_);
+		}
+
+		bool Stream::get_decode_position(FLAC__uint64 *position) const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_decoder_get_decode_position(decoder_, position);
+		}
+
+		::FLAC__StreamDecoderInitStatus Stream::init()
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_decoder_init_stream(decoder_, read_callback_, seek_callback_, tell_callback_, length_callback_, eof_callback_, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
+		}
+
+		::FLAC__StreamDecoderInitStatus Stream::init_ogg()
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_decoder_init_ogg_stream(decoder_, read_callback_, seek_callback_, tell_callback_, length_callback_, eof_callback_, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
+		}
+
+		bool Stream::finish()
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_finish(decoder_);
+		}
+
+		bool Stream::flush()
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_flush(decoder_);
+		}
+
+		bool Stream::reset()
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_reset(decoder_);
+		}
+
+		bool Stream::process_single()
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_process_single(decoder_);
+		}
+
+		bool Stream::process_until_end_of_metadata()
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_process_until_end_of_metadata(decoder_);
+		}
+
+		bool Stream::process_until_end_of_stream()
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_process_until_end_of_stream(decoder_);
+		}
+
+		bool Stream::skip_single_frame()
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_skip_single_frame(decoder_);
+		}
+
+		bool Stream::seek_absolute(FLAC__uint64 sample)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_decoder_seek_absolute(decoder_, sample);
+		}
+
+		::FLAC__StreamDecoderSeekStatus Stream::seek_callback(FLAC__uint64 absolute_byte_offset)
+		{
+			(void)absolute_byte_offset;
+			return ::FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED;
+		}
+
+		::FLAC__StreamDecoderTellStatus Stream::tell_callback(FLAC__uint64 *absolute_byte_offset)
+		{
+			(void)absolute_byte_offset;
+			return ::FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED;
+		}
+
+		::FLAC__StreamDecoderLengthStatus Stream::length_callback(FLAC__uint64 *stream_length)
+		{
+			(void)stream_length;
+			return ::FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED;
+		}
+
+		bool Stream::eof_callback()
+		{
+			return false;
+		}
+
+		void Stream::metadata_callback(const ::FLAC__StreamMetadata *metadata)
+		{
+			(void)metadata;
+		}
+
+		::FLAC__StreamDecoderReadStatus Stream::read_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
+		{
+			(void)decoder;
+			FLAC__ASSERT(0 != client_data);
+			Stream *instance = reinterpret_cast<Stream *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			return instance->read_callback(buffer, bytes);
+		}
+
+		::FLAC__StreamDecoderSeekStatus Stream::seek_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data)
+		{
+			(void) decoder;
+			FLAC__ASSERT(0 != client_data);
+			Stream *instance = reinterpret_cast<Stream *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			return instance->seek_callback(absolute_byte_offset);
+		}
+
+		::FLAC__StreamDecoderTellStatus Stream::tell_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
+		{
+			(void) decoder;
+			FLAC__ASSERT(0 != client_data);
+			Stream *instance = reinterpret_cast<Stream *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			return instance->tell_callback(absolute_byte_offset);
+		}
+
+		::FLAC__StreamDecoderLengthStatus Stream::length_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data)
+		{
+			(void) decoder;
+			FLAC__ASSERT(0 != client_data);
+			Stream *instance = reinterpret_cast<Stream *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			return instance->length_callback(stream_length);
+		}
+
+		FLAC__bool Stream::eof_callback_(const ::FLAC__StreamDecoder *decoder, void *client_data)
+		{
+			(void) decoder;
+			FLAC__ASSERT(0 != client_data);
+			Stream *instance = reinterpret_cast<Stream *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			return instance->eof_callback();
+		}
+
+		::FLAC__StreamDecoderWriteStatus Stream::write_callback_(const ::FLAC__StreamDecoder *decoder, const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
+		{
+			(void)decoder;
+			FLAC__ASSERT(0 != client_data);
+			Stream *instance = reinterpret_cast<Stream *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			return instance->write_callback(frame, buffer);
+		}
+
+		void Stream::metadata_callback_(const ::FLAC__StreamDecoder *decoder, const ::FLAC__StreamMetadata *metadata, void *client_data)
+		{
+			(void)decoder;
+			FLAC__ASSERT(0 != client_data);
+			Stream *instance = reinterpret_cast<Stream *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			instance->metadata_callback(metadata);
+		}
+
+		void Stream::error_callback_(const ::FLAC__StreamDecoder *decoder, ::FLAC__StreamDecoderErrorStatus status, void *client_data)
+		{
+			(void)decoder;
+			FLAC__ASSERT(0 != client_data);
+			Stream *instance = reinterpret_cast<Stream *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			instance->error_callback(status);
+		}
+
+		// ------------------------------------------------------------
+		//
+		// File
+		//
+		// ------------------------------------------------------------
+
+		File::File():
+			Stream()
+		{ }
+
+		File::~File()
+		{
+		}
+
+		::FLAC__StreamDecoderInitStatus File::init(FILE *file)
+		{
+			FLAC__ASSERT(0 != decoder_);
+			return ::FLAC__stream_decoder_init_FILE(decoder_, file, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
+		}
+
+		::FLAC__StreamDecoderInitStatus File::init(const char *filename)
+		{
+			FLAC__ASSERT(0 != decoder_);
+			return ::FLAC__stream_decoder_init_file(decoder_, filename, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
+		}
+
+		::FLAC__StreamDecoderInitStatus File::init(const std::string &filename)
+		{
+			return init(filename.c_str());
+		}
+
+		::FLAC__StreamDecoderInitStatus File::init_ogg(FILE *file)
+		{
+			FLAC__ASSERT(0 != decoder_);
+			return ::FLAC__stream_decoder_init_ogg_FILE(decoder_, file, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
+		}
+
+		::FLAC__StreamDecoderInitStatus File::init_ogg(const char *filename)
+		{
+			FLAC__ASSERT(0 != decoder_);
+			return ::FLAC__stream_decoder_init_ogg_file(decoder_, filename, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
+		}
+
+		::FLAC__StreamDecoderInitStatus File::init_ogg(const std::string &filename)
+		{
+			return init_ogg(filename.c_str());
+		}
+
+		// This is a dummy to satisfy the pure virtual from Stream; the
+		// read callback will never be called since we are initializing
+		// with FLAC__stream_decoder_init_FILE() or
+		// FLAC__stream_decoder_init_file() and those supply the read
+		// callback internally.
+		::FLAC__StreamDecoderReadStatus File::read_callback(FLAC__byte buffer[], size_t *bytes)
+		{
+			(void)buffer, (void)bytes;
+			FLAC__ASSERT(false);
+			return ::FLAC__STREAM_DECODER_READ_STATUS_ABORT; // double protection
+		}
+
+	}
+}

libsdl2_mixer/external/flac-1.3.2/src/libFLAC++/stream_encoder.cpp

@@ -0,0 +1,516 @@
+/* libFLAC++ - Free Lossless Audio Codec library
+ * Copyright (C) 2002-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "FLAC++/encoder.h"
+#include "FLAC++/metadata.h"
+#include "FLAC/assert.h"
+
+#ifdef _MSC_VER
+// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning)
+#pragma warning ( disable : 4800 )
+#endif
+
+namespace FLAC {
+	namespace Encoder {
+
+		// ------------------------------------------------------------
+		//
+		// Stream
+		//
+		// ------------------------------------------------------------
+
+		Stream::Stream():
+		encoder_(::FLAC__stream_encoder_new())
+		{ }
+
+		Stream::~Stream()
+		{
+			if(0 != encoder_) {
+				(void)::FLAC__stream_encoder_finish(encoder_);
+				::FLAC__stream_encoder_delete(encoder_);
+			}
+		}
+
+		bool Stream::is_valid() const
+		{
+			return 0 != encoder_;
+		}
+
+		bool Stream::set_ogg_serial_number(long value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_ogg_serial_number(encoder_, value);
+		}
+
+		bool Stream::set_verify(bool value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_verify(encoder_, value);
+		}
+
+		bool Stream::set_streamable_subset(bool value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_streamable_subset(encoder_, value);
+		}
+
+		bool Stream::set_channels(unsigned value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_channels(encoder_, value);
+		}
+
+		bool Stream::set_bits_per_sample(unsigned value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_bits_per_sample(encoder_, value);
+		}
+
+		bool Stream::set_sample_rate(unsigned value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_sample_rate(encoder_, value);
+		}
+
+		bool Stream::set_compression_level(unsigned value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_compression_level(encoder_, value);
+		}
+
+		bool Stream::set_blocksize(unsigned value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_blocksize(encoder_, value);
+		}
+
+		bool Stream::set_do_mid_side_stereo(bool value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_do_mid_side_stereo(encoder_, value);
+		}
+
+		bool Stream::set_loose_mid_side_stereo(bool value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_loose_mid_side_stereo(encoder_, value);
+		}
+
+		bool Stream::set_apodization(const char *specification)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_apodization(encoder_, specification);
+		}
+
+		bool Stream::set_max_lpc_order(unsigned value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_max_lpc_order(encoder_, value);
+		}
+
+		bool Stream::set_qlp_coeff_precision(unsigned value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_qlp_coeff_precision(encoder_, value);
+		}
+
+		bool Stream::set_do_qlp_coeff_prec_search(bool value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder_, value);
+		}
+
+		bool Stream::set_do_escape_coding(bool value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_do_escape_coding(encoder_, value);
+		}
+
+		bool Stream::set_do_exhaustive_model_search(bool value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_do_exhaustive_model_search(encoder_, value);
+		}
+
+		bool Stream::set_min_residual_partition_order(unsigned value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_min_residual_partition_order(encoder_, value);
+		}
+
+		bool Stream::set_max_residual_partition_order(unsigned value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_max_residual_partition_order(encoder_, value);
+		}
+
+		bool Stream::set_rice_parameter_search_dist(unsigned value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_rice_parameter_search_dist(encoder_, value);
+		}
+
+		bool Stream::set_total_samples_estimate(FLAC__uint64 value)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_total_samples_estimate(encoder_, value);
+		}
+
+		bool Stream::set_metadata(::FLAC__StreamMetadata **metadata, unsigned num_blocks)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_set_metadata(encoder_, metadata, num_blocks);
+		}
+
+		bool Stream::set_metadata(FLAC::Metadata::Prototype **metadata, unsigned num_blocks)
+		{
+			FLAC__ASSERT(is_valid());
+#ifndef HAVE_CXX_VARARRAYS
+			// some compilers (MSVC++, Borland C, SunPro, some GCCs w/ -pedantic) can't handle:
+			// ::FLAC__StreamMetadata *m[num_blocks];
+			// so we do this ugly workaround
+			::FLAC__StreamMetadata **m = new ::FLAC__StreamMetadata*[num_blocks];
+#else
+			::FLAC__StreamMetadata *m[num_blocks];
+#endif
+			for(unsigned i = 0; i < num_blocks; i++) {
+				// we can get away with the const_cast since we know the encoder will only correct the is_last flags
+				m[i] = const_cast< ::FLAC__StreamMetadata*>(static_cast<const ::FLAC__StreamMetadata*>(*metadata[i]));
+			}
+#ifndef HAVE_CXX_VARARRAYS
+			// complete the hack
+			const bool ok = (bool)::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks);
+			delete [] m;
+			return ok;
+#else
+			return (bool)::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks);
+#endif
+		}
+
+		Stream::State Stream::get_state() const
+		{
+			FLAC__ASSERT(is_valid());
+			return State(::FLAC__stream_encoder_get_state(encoder_));
+		}
+
+		Decoder::Stream::State Stream::get_verify_decoder_state() const
+		{
+			FLAC__ASSERT(is_valid());
+			return Decoder::Stream::State(::FLAC__stream_encoder_get_verify_decoder_state(encoder_));
+		}
+
+		void Stream::get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got)
+		{
+			FLAC__ASSERT(is_valid());
+			::FLAC__stream_encoder_get_verify_decoder_error_stats(encoder_, absolute_sample, frame_number, channel, sample, expected, got);
+		}
+
+		bool Stream::get_verify() const
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_get_verify(encoder_);
+		}
+
+		bool Stream::get_streamable_subset() const
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_get_streamable_subset(encoder_);
+		}
+
+		bool Stream::get_do_mid_side_stereo() const
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_get_do_mid_side_stereo(encoder_);
+		}
+
+		bool Stream::get_loose_mid_side_stereo() const
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_get_loose_mid_side_stereo(encoder_);
+		}
+
+		unsigned Stream::get_channels() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_get_channels(encoder_);
+		}
+
+		unsigned Stream::get_bits_per_sample() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_get_bits_per_sample(encoder_);
+		}
+
+		unsigned Stream::get_sample_rate() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_get_sample_rate(encoder_);
+		}
+
+		unsigned Stream::get_blocksize() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_get_blocksize(encoder_);
+		}
+
+		unsigned Stream::get_max_lpc_order() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_get_max_lpc_order(encoder_);
+		}
+
+		unsigned Stream::get_qlp_coeff_precision() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_get_qlp_coeff_precision(encoder_);
+		}
+
+		bool Stream::get_do_qlp_coeff_prec_search() const
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder_);
+		}
+
+		bool Stream::get_do_escape_coding() const
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_get_do_escape_coding(encoder_);
+		}
+
+		bool Stream::get_do_exhaustive_model_search() const
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_get_do_exhaustive_model_search(encoder_);
+		}
+
+		unsigned Stream::get_min_residual_partition_order() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_get_min_residual_partition_order(encoder_);
+		}
+
+		unsigned Stream::get_max_residual_partition_order() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_get_max_residual_partition_order(encoder_);
+		}
+
+		unsigned Stream::get_rice_parameter_search_dist() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_get_rice_parameter_search_dist(encoder_);
+		}
+
+		FLAC__uint64 Stream::get_total_samples_estimate() const
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_get_total_samples_estimate(encoder_);
+		}
+
+		::FLAC__StreamEncoderInitStatus Stream::init()
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_init_stream(encoder_, write_callback_, seek_callback_, tell_callback_, metadata_callback_, /*client_data=*/(void*)this);
+		}
+
+		::FLAC__StreamEncoderInitStatus Stream::init_ogg()
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_init_ogg_stream(encoder_, read_callback_, write_callback_, seek_callback_, tell_callback_, metadata_callback_, /*client_data=*/(void*)this);
+		}
+
+		bool Stream::finish()
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_finish(encoder_);
+		}
+
+		bool Stream::process(const FLAC__int32 * const buffer[], unsigned samples)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_process(encoder_, buffer, samples);
+		}
+
+		bool Stream::process_interleaved(const FLAC__int32 buffer[], unsigned samples)
+		{
+			FLAC__ASSERT(is_valid());
+			return (bool)::FLAC__stream_encoder_process_interleaved(encoder_, buffer, samples);
+		}
+
+		::FLAC__StreamEncoderReadStatus Stream::read_callback(FLAC__byte buffer[], size_t *bytes)
+		{
+			(void)buffer, (void)bytes;
+			return ::FLAC__STREAM_ENCODER_READ_STATUS_UNSUPPORTED;
+		}
+
+		::FLAC__StreamEncoderSeekStatus Stream::seek_callback(FLAC__uint64 absolute_byte_offset)
+		{
+			(void)absolute_byte_offset;
+			return ::FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED;
+		}
+
+		::FLAC__StreamEncoderTellStatus Stream::tell_callback(FLAC__uint64 *absolute_byte_offset)
+		{
+			(void)absolute_byte_offset;
+			return ::FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED;
+		}
+
+		void Stream::metadata_callback(const ::FLAC__StreamMetadata *metadata)
+		{
+			(void)metadata;
+		}
+
+		::FLAC__StreamEncoderReadStatus Stream::read_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
+		{
+			(void)encoder;
+			FLAC__ASSERT(0 != client_data);
+			Stream *instance = reinterpret_cast<Stream *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			return instance->read_callback(buffer, bytes);
+		}
+
+		::FLAC__StreamEncoderWriteStatus Stream::write_callback_(const ::FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data)
+		{
+			(void)encoder;
+			FLAC__ASSERT(0 != client_data);
+			Stream *instance = reinterpret_cast<Stream *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			return instance->write_callback(buffer, bytes, samples, current_frame);
+		}
+
+		::FLAC__StreamEncoderSeekStatus Stream::seek_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data)
+		{
+			(void)encoder;
+			FLAC__ASSERT(0 != client_data);
+			Stream *instance = reinterpret_cast<Stream *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			return instance->seek_callback(absolute_byte_offset);
+		}
+
+		::FLAC__StreamEncoderTellStatus Stream::tell_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
+		{
+			(void)encoder;
+			FLAC__ASSERT(0 != client_data);
+			Stream *instance = reinterpret_cast<Stream *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			return instance->tell_callback(absolute_byte_offset);
+		}
+
+		void Stream::metadata_callback_(const ::FLAC__StreamEncoder *encoder, const ::FLAC__StreamMetadata *metadata, void *client_data)
+		{
+			(void)encoder;
+			FLAC__ASSERT(0 != client_data);
+			Stream *instance = reinterpret_cast<Stream *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			instance->metadata_callback(metadata);
+		}
+
+		// ------------------------------------------------------------
+		//
+		// File
+		//
+		// ------------------------------------------------------------
+
+		File::File():
+			Stream()
+		{ }
+
+		File::~File()
+		{
+		}
+
+		::FLAC__StreamEncoderInitStatus File::init(FILE *file)
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_init_FILE(encoder_, file, progress_callback_, /*client_data=*/(void*)this);
+		}
+
+		::FLAC__StreamEncoderInitStatus File::init(const char *filename)
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_init_file(encoder_, filename, progress_callback_, /*client_data=*/(void*)this);
+		}
+
+		::FLAC__StreamEncoderInitStatus File::init(const std::string &filename)
+		{
+			return init(filename.c_str());
+		}
+
+		::FLAC__StreamEncoderInitStatus File::init_ogg(FILE *file)
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_init_ogg_FILE(encoder_, file, progress_callback_, /*client_data=*/(void*)this);
+		}
+
+		::FLAC__StreamEncoderInitStatus File::init_ogg(const char *filename)
+		{
+			FLAC__ASSERT(is_valid());
+			return ::FLAC__stream_encoder_init_ogg_file(encoder_, filename, progress_callback_, /*client_data=*/(void*)this);
+		}
+
+		::FLAC__StreamEncoderInitStatus File::init_ogg(const std::string &filename)
+		{
+			return init_ogg(filename.c_str());
+		}
+
+		// This is a dummy to satisfy the pure virtual from Stream; the
+		// read callback will never be called since we are initializing
+		// with FLAC__stream_decoder_init_FILE() or
+		// FLAC__stream_decoder_init_file() and those supply the read
+		// callback internally.
+		::FLAC__StreamEncoderWriteStatus File::write_callback(const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame)
+		{
+			(void)buffer, (void)bytes, (void)samples, (void)current_frame;
+			FLAC__ASSERT(false);
+			return ::FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; // double protection
+		}
+
+		void File::progress_callback(FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate)
+		{
+			(void)bytes_written, (void)samples_written, (void)frames_written, (void)total_frames_estimate;
+		}
+
+		void File::progress_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data)
+		{
+			(void)encoder;
+			FLAC__ASSERT(0 != client_data);
+			File *instance = reinterpret_cast<File *>(client_data);
+			FLAC__ASSERT(0 != instance);
+			instance->progress_callback(bytes_written, samples_written, frames_written, total_frames_estimate);
+		}
+
+	}
+}

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/Makefile.am

@@ -0,0 +1,135 @@
+#  libFLAC - Free Lossless Audio Codec library
+#  Copyright (C) 2001-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#
+#  - Redistributions of source code must retain the above copyright
+#  notice, this list of conditions and the following disclaimer.
+#
+#  - Redistributions in binary form must reproduce the above copyright
+#  notice, this list of conditions and the following disclaimer in the
+#  documentation and/or other materials provided with the distribution.
+#
+#  - Neither the name of the Xiph.org Foundation nor the names of its
+#  contributors may be used to endorse or promote products derived from
+#  this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+#  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include
+lib_LTLIBRARIES = libFLAC.la
+noinst_LTLIBRARIES = libFLAC-static.la
+if DEBUG
+DEBUGCFLAGS = -DFLAC__OVERFLOW_DETECT
+endif
+
+# FIXME: The following logic should be part of configure, not of Makefile.am
+
+if FLaC__CPU_PPC
+if FLaC__SYS_DARWIN
+CPUCFLAGS = -faltivec
+else
+CPUCFLAGS =
+if FLaC__USE_ALTIVEC
+CPUCFLAGS += -maltivec -mabi=altivec
+endif
+endif
+endif
+
+AM_CFLAGS = $(DEBUGCFLAGS) $(CPUCFLAGS) @OGG_CFLAGS@
+
+if FLaC__NO_ASM
+else
+if FLaC__CPU_IA32
+if FLaC__HAS_NASM
+ARCH_SUBDIRS = ia32
+LOCAL_EXTRA_LIBADD = ia32/libFLAC-asm.la
+endif
+endif
+endif
+
+libFLAC_la_LIBADD = $(LOCAL_EXTRA_LIBADD) @OGG_LIBS@ -lm
+
+SUBDIRS = $(ARCH_SUBDIRS) include .
+
+m4datadir = $(datadir)/aclocal
+m4data_DATA = libFLAC.m4
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = flac.pc
+
+EXTRA_DIST = \
+	Makefile.lite \
+	flac.pc.in \
+	libFLAC_dynamic.vcproj \
+	libFLAC_dynamic.vcxproj \
+	libFLAC_dynamic.vcxproj.filters \
+	libFLAC_static.vcproj \
+	libFLAC_static.vcxproj \
+	libFLAC_static.vcxproj.filters \
+	libFLAC.m4 \
+	windows_unicode_filenames.c
+
+if OS_IS_WINDOWS
+windows_unicode_compat = windows_unicode_filenames.c
+endif
+
+if FLaC__HAS_OGG
+extra_ogg_sources = \
+	ogg_decoder_aspect.c \
+	ogg_encoder_aspect.c \
+	ogg_helper.c \
+	ogg_mapping.c
+endif
+
+# see 'http://www.gnu.org/software/libtool/manual/libtool.html#Libtool-versioning' for numbering convention
+libFLAC_la_LDFLAGS = $(AM_LDFLAGS) -no-undefined -version-info 11:0:3 $(LOCAL_EXTRA_LDFLAGS)
+
+libFLAC_sources = \
+	bitmath.c \
+	bitreader.c \
+	bitwriter.c \
+	cpu.c \
+	crc.c \
+	fixed.c \
+	fixed_intrin_sse2.c \
+	fixed_intrin_ssse3.c \
+	float.c \
+	format.c \
+	lpc.c \
+	lpc_intrin_sse.c \
+	lpc_intrin_sse2.c \
+	lpc_intrin_sse41.c \
+	lpc_intrin_avx2.c \
+	md5.c \
+	memory.c \
+	metadata_iterators.c \
+	metadata_object.c \
+	stream_decoder.c \
+	stream_encoder.c \
+	stream_encoder_intrin_sse2.c \
+	stream_encoder_intrin_ssse3.c \
+	stream_encoder_intrin_avx2.c \
+	stream_encoder_framing.c \
+	window.c \
+	$(windows_unicode_compat) \
+	$(extra_ogg_sources)
+
+libFLAC_la_SOURCES = $(libFLAC_sources)
+
+# needed for test_libFLAC
+libFLAC_static_la_LIBADD = $(LOCAL_EXTRA_LIBADD)
+libFLAC_static_la_SOURCES = $(libFLAC_sources)

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/Makefile.lite

@@ -0,0 +1,110 @@
+#  libFLAC - Free Lossless Audio Codec library
+#  Copyright (C) 2001-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#
+#  - Redistributions of source code must retain the above copyright
+#  notice, this list of conditions and the following disclaimer.
+#
+#  - Redistributions in binary form must reproduce the above copyright
+#  notice, this list of conditions and the following disclaimer in the
+#  documentation and/or other materials provided with the distribution.
+#
+#  - Neither the name of the Xiph.org Foundation nor the names of its
+#  contributors may be used to endorse or promote products derived from
+#  this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+#  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#
+# GNU makefile
+#
+
+topdir = ../..
+
+ifeq ($(OS),Darwin)
+    EXPLICIT_LIBS = $(OGG_EXPLICIT_LIBS) -lm
+else
+    LIBS = $(OGG_LIBS) -lm
+endif
+
+ifeq ($(findstring Windows,$(OS)),Windows)
+    WIN_UNICODE_COMPAT = windows_unicode_filenames.c
+endif
+
+LIB_NAME = libFLAC
+ifeq ($(PROC),ppc)
+    DEFINES = -DFLAC__CPU_PPC -DFLAC__USE_ALTIVEC -DFLAC__ALIGN_MALLOC_DATA
+else
+ifeq ($(OS),Solaris)
+    DEFINES = -DFLAC__NO_ASM -DFLAC__ALIGN_MALLOC_DATA
+else
+ifeq ($(PROC),i386)
+    DEFINES = -DFLAC__CPU_IA32 -DFLAC__HAS_NASM -DFLAC__ALIGN_MALLOC_DATA
+else
+    DEFINES = -DFLAC__ALIGN_MALLOC_DATA
+endif
+endif
+endif
+INCLUDES = -I./include -I$(topdir)/include $(OGG_INCLUDES)
+DEBUG_CFLAGS = -DFLAC__OVERFLOW_DETECT
+
+ifeq ($(PROC),i386)
+SRCS_NASM = \
+	ia32/cpu_asm.nasm \
+	ia32/fixed_asm.nasm \
+	ia32/lpc_asm.nasm
+endif
+
+OGG_SRCS_C = \
+	ogg_decoder_aspect.c \
+	ogg_encoder_aspect.c \
+	ogg_helper.c \
+	ogg_mapping.c
+
+SRCS_C = \
+	bitmath.c \
+	bitreader.c \
+	bitwriter.c \
+	cpu.c \
+	crc.c \
+	fixed.c \
+	fixed_intrin_sse2.c \
+	fixed_intrin_ssse3.c \
+	float.c \
+	format.c \
+	lpc.c \
+	lpc_intrin_sse.c \
+	lpc_intrin_sse2.c \
+	lpc_intrin_sse41.c \
+	lpc_intrin_avx2.c \
+	md5.c \
+	memory.c \
+	metadata_iterators.c \
+	metadata_object.c \
+	stream_decoder.c \
+	stream_encoder.c \
+	stream_encoder_intrin_sse2.c \
+	stream_encoder_intrin_ssse3.c \
+	stream_encoder_intrin_avx2.c \
+	stream_encoder_framing.c \
+	window.c \
+	$(WIN_UNICODE_COMPAT) \
+	$(OGG_SRCS)
+
+include $(topdir)/build/lib.mk
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/bitmath.c

@@ -0,0 +1,73 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2001-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "private/bitmath.h"
+
+/* An example of what FLAC__bitmath_silog2() computes:
+ *
+ * silog2(-10) = 5
+ * silog2(- 9) = 5
+ * silog2(- 8) = 4
+ * silog2(- 7) = 4
+ * silog2(- 6) = 4
+ * silog2(- 5) = 4
+ * silog2(- 4) = 3
+ * silog2(- 3) = 3
+ * silog2(- 2) = 2
+ * silog2(- 1) = 2
+ * silog2(  0) = 0
+ * silog2(  1) = 2
+ * silog2(  2) = 3
+ * silog2(  3) = 3
+ * silog2(  4) = 4
+ * silog2(  5) = 4
+ * silog2(  6) = 4
+ * silog2(  7) = 4
+ * silog2(  8) = 5
+ * silog2(  9) = 5
+ * silog2( 10) = 5
+ */
+unsigned FLAC__bitmath_silog2(FLAC__int64 v)
+{
+	if(v == 0)
+		return 0;
+
+	if(v == -1)
+		return 2;
+
+	v = (v < 0) ? (-(v+1)) : v;
+	return FLAC__bitmath_ilog2_wide(v)+2;
+}

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/bitwriter.c

@@ -0,0 +1,881 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include "private/bitwriter.h"
+#include "private/crc.h"
+#include "private/macros.h"
+#include "FLAC/assert.h"
+#include "share/alloc.h"
+#include "share/compat.h"
+#include "share/endswap.h"
+
+/* Things should be fastest when this matches the machine word size */
+/* WATCHOUT: if you change this you must also change the following #defines down to SWAP_BE_WORD_TO_HOST below to match */
+/* WATCHOUT: there are a few places where the code will not work unless bwword is >= 32 bits wide */
+
+#if (ENABLE_64_BIT_WORDS == 0)
+
+typedef FLAC__uint32 bwword;
+#define FLAC__BYTES_PER_WORD 4		/* sizeof bwword */
+#define FLAC__BITS_PER_WORD 32
+/* SWAP_BE_WORD_TO_HOST swaps bytes in a bwword (which is always big-endian) if necessary to match host byte order */
+#if WORDS_BIGENDIAN
+#define SWAP_BE_WORD_TO_HOST(x) (x)
+#else
+#define SWAP_BE_WORD_TO_HOST(x) ENDSWAP_32(x)
+#endif
+
+#else
+
+typedef FLAC__uint64 bwword;
+#define FLAC__BYTES_PER_WORD 8		/* sizeof bwword */
+#define FLAC__BITS_PER_WORD 64
+/* SWAP_BE_WORD_TO_HOST swaps bytes in a bwword (which is always big-endian) if necessary to match host byte order */
+#if WORDS_BIGENDIAN
+#define SWAP_BE_WORD_TO_HOST(x) (x)
+#else
+#define SWAP_BE_WORD_TO_HOST(x) ENDSWAP_64(x)
+#endif
+
+#endif
+
+/*
+ * The default capacity here doesn't matter too much.  The buffer always grows
+ * to hold whatever is written to it.  Usually the encoder will stop adding at
+ * a frame or metadata block, then write that out and clear the buffer for the
+ * next one.
+ */
+static const unsigned FLAC__BITWRITER_DEFAULT_CAPACITY = 32768u / sizeof(bwword); /* size in words */
+/* When growing, increment 4K at a time */
+static const unsigned FLAC__BITWRITER_DEFAULT_INCREMENT = 4096u / sizeof(bwword); /* size in words */
+
+#define FLAC__WORDS_TO_BITS(words) ((words) * FLAC__BITS_PER_WORD)
+#define FLAC__TOTAL_BITS(bw) (FLAC__WORDS_TO_BITS((bw)->words) + (bw)->bits)
+
+struct FLAC__BitWriter {
+	bwword *buffer;
+	bwword accum; /* accumulator; bits are right-justified; when full, accum is appended to buffer */
+	unsigned capacity; /* capacity of buffer in words */
+	unsigned words; /* # of complete words in buffer */
+	unsigned bits; /* # of used bits in accum */
+};
+
+/* * WATCHOUT: The current implementation only grows the buffer. */
+#ifndef __SUNPRO_C
+static
+#endif
+FLAC__bool bitwriter_grow_(FLAC__BitWriter *bw, unsigned bits_to_add)
+{
+	unsigned new_capacity;
+	bwword *new_buffer;
+
+	FLAC__ASSERT(0 != bw);
+	FLAC__ASSERT(0 != bw->buffer);
+
+	/* calculate total words needed to store 'bits_to_add' additional bits */
+	new_capacity = bw->words + ((bw->bits + bits_to_add + FLAC__BITS_PER_WORD - 1) / FLAC__BITS_PER_WORD);
+
+	/* it's possible (due to pessimism in the growth estimation that
+	 * leads to this call) that we don't actually need to grow
+	 */
+	if(bw->capacity >= new_capacity)
+		return true;
+
+	/* round up capacity increase to the nearest FLAC__BITWRITER_DEFAULT_INCREMENT */
+	if((new_capacity - bw->capacity) % FLAC__BITWRITER_DEFAULT_INCREMENT)
+		new_capacity += FLAC__BITWRITER_DEFAULT_INCREMENT - ((new_capacity - bw->capacity) % FLAC__BITWRITER_DEFAULT_INCREMENT);
+	/* make sure we got everything right */
+	FLAC__ASSERT(0 == (new_capacity - bw->capacity) % FLAC__BITWRITER_DEFAULT_INCREMENT);
+	FLAC__ASSERT(new_capacity > bw->capacity);
+	FLAC__ASSERT(new_capacity >= bw->words + ((bw->bits + bits_to_add + FLAC__BITS_PER_WORD - 1) / FLAC__BITS_PER_WORD));
+
+	new_buffer = safe_realloc_mul_2op_(bw->buffer, sizeof(bwword), /*times*/new_capacity);
+	if(new_buffer == 0)
+		return false;
+	bw->buffer = new_buffer;
+	bw->capacity = new_capacity;
+	return true;
+}
+
+
+/***********************************************************************
+ *
+ * Class constructor/destructor
+ *
+ ***********************************************************************/
+
+FLAC__BitWriter *FLAC__bitwriter_new(void)
+{
+	FLAC__BitWriter *bw = calloc(1, sizeof(FLAC__BitWriter));
+	/* note that calloc() sets all members to 0 for us */
+	return bw;
+}
+
+void FLAC__bitwriter_delete(FLAC__BitWriter *bw)
+{
+	FLAC__ASSERT(0 != bw);
+
+	FLAC__bitwriter_free(bw);
+	free(bw);
+}
+
+/***********************************************************************
+ *
+ * Public class methods
+ *
+ ***********************************************************************/
+
+FLAC__bool FLAC__bitwriter_init(FLAC__BitWriter *bw)
+{
+	FLAC__ASSERT(0 != bw);
+
+	bw->words = bw->bits = 0;
+	bw->capacity = FLAC__BITWRITER_DEFAULT_CAPACITY;
+	bw->buffer = malloc(sizeof(bwword) * bw->capacity);
+	if(bw->buffer == 0)
+		return false;
+
+	return true;
+}
+
+void FLAC__bitwriter_free(FLAC__BitWriter *bw)
+{
+	FLAC__ASSERT(0 != bw);
+
+	if(0 != bw->buffer)
+		free(bw->buffer);
+	bw->buffer = 0;
+	bw->capacity = 0;
+	bw->words = bw->bits = 0;
+}
+
+void FLAC__bitwriter_clear(FLAC__BitWriter *bw)
+{
+	bw->words = bw->bits = 0;
+}
+
+void FLAC__bitwriter_dump(const FLAC__BitWriter *bw, FILE *out)
+{
+	unsigned i, j;
+	if(bw == 0) {
+		fprintf(out, "bitwriter is NULL\n");
+	}
+	else {
+		fprintf(out, "bitwriter: capacity=%u words=%u bits=%u total_bits=%u\n", bw->capacity, bw->words, bw->bits, FLAC__TOTAL_BITS(bw));
+
+		for(i = 0; i < bw->words; i++) {
+			fprintf(out, "%08X: ", i);
+			for(j = 0; j < FLAC__BITS_PER_WORD; j++)
+				fprintf(out, "%01u", bw->buffer[i] & ((bwword)1 << (FLAC__BITS_PER_WORD-j-1)) ? 1:0);
+			fprintf(out, "\n");
+		}
+		if(bw->bits > 0) {
+			fprintf(out, "%08X: ", i);
+			for(j = 0; j < bw->bits; j++)
+				fprintf(out, "%01u", bw->accum & ((bwword)1 << (bw->bits-j-1)) ? 1:0);
+			fprintf(out, "\n");
+		}
+	}
+}
+
+FLAC__bool FLAC__bitwriter_get_write_crc16(FLAC__BitWriter *bw, FLAC__uint16 *crc)
+{
+	const FLAC__byte *buffer;
+	size_t bytes;
+
+	FLAC__ASSERT((bw->bits & 7) == 0); /* assert that we're byte-aligned */
+
+	if(!FLAC__bitwriter_get_buffer(bw, &buffer, &bytes))
+		return false;
+
+	*crc = (FLAC__uint16)FLAC__crc16(buffer, bytes);
+	FLAC__bitwriter_release_buffer(bw);
+	return true;
+}
+
+FLAC__bool FLAC__bitwriter_get_write_crc8(FLAC__BitWriter *bw, FLAC__byte *crc)
+{
+	const FLAC__byte *buffer;
+	size_t bytes;
+
+	FLAC__ASSERT((bw->bits & 7) == 0); /* assert that we're byte-aligned */
+
+	if(!FLAC__bitwriter_get_buffer(bw, &buffer, &bytes))
+		return false;
+
+	*crc = FLAC__crc8(buffer, bytes);
+	FLAC__bitwriter_release_buffer(bw);
+	return true;
+}
+
+FLAC__bool FLAC__bitwriter_is_byte_aligned(const FLAC__BitWriter *bw)
+{
+	return ((bw->bits & 7) == 0);
+}
+
+unsigned FLAC__bitwriter_get_input_bits_unconsumed(const FLAC__BitWriter *bw)
+{
+	return FLAC__TOTAL_BITS(bw);
+}
+
+FLAC__bool FLAC__bitwriter_get_buffer(FLAC__BitWriter *bw, const FLAC__byte **buffer, size_t *bytes)
+{
+	FLAC__ASSERT((bw->bits & 7) == 0);
+	/* double protection */
+	if(bw->bits & 7)
+		return false;
+	/* if we have bits in the accumulator we have to flush those to the buffer first */
+	if(bw->bits) {
+		FLAC__ASSERT(bw->words <= bw->capacity);
+		if(bw->words == bw->capacity && !bitwriter_grow_(bw, FLAC__BITS_PER_WORD))
+			return false;
+		/* append bits as complete word to buffer, but don't change bw->accum or bw->bits */
+		bw->buffer[bw->words] = SWAP_BE_WORD_TO_HOST(bw->accum << (FLAC__BITS_PER_WORD-bw->bits));
+	}
+	/* now we can just return what we have */
+	*buffer = (FLAC__byte*)bw->buffer;
+	*bytes = (FLAC__BYTES_PER_WORD * bw->words) + (bw->bits >> 3);
+	return true;
+}
+
+void FLAC__bitwriter_release_buffer(FLAC__BitWriter *bw)
+{
+	/* nothing to do.  in the future, strict checking of a 'writer-is-in-
+	 * get-mode' flag could be added everywhere and then cleared here
+	 */
+	(void)bw;
+}
+
+inline FLAC__bool FLAC__bitwriter_write_zeroes(FLAC__BitWriter *bw, unsigned bits)
+{
+	unsigned n;
+
+	FLAC__ASSERT(0 != bw);
+	FLAC__ASSERT(0 != bw->buffer);
+
+	if(bits == 0)
+		return true;
+	/* slightly pessimistic size check but faster than "<= bw->words + (bw->bits+bits+FLAC__BITS_PER_WORD-1)/FLAC__BITS_PER_WORD" */
+	if(bw->capacity <= bw->words + bits && !bitwriter_grow_(bw, bits))
+		return false;
+	/* first part gets to word alignment */
+	if(bw->bits) {
+		n = flac_min(FLAC__BITS_PER_WORD - bw->bits, bits);
+		bw->accum <<= n;
+		bits -= n;
+		bw->bits += n;
+		if(bw->bits == FLAC__BITS_PER_WORD) {
+			bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum);
+			bw->bits = 0;
+		}
+		else
+			return true;
+	}
+	/* do whole words */
+	while(bits >= FLAC__BITS_PER_WORD) {
+		bw->buffer[bw->words++] = 0;
+		bits -= FLAC__BITS_PER_WORD;
+	}
+	/* do any leftovers */
+	if(bits > 0) {
+		bw->accum = 0;
+		bw->bits = bits;
+	}
+	return true;
+}
+
+static inline FLAC__bool FLAC__bitwriter_write_raw_uint32_nocheck(FLAC__BitWriter *bw, FLAC__uint32 val, unsigned bits)
+{
+	register unsigned left;
+
+	/* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */
+	FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32);
+
+	if(bw == 0 || bw->buffer == 0)
+		return false;
+
+	if (bits > 32)
+		return false;
+
+	if(bits == 0)
+		return true;
+
+	FLAC__ASSERT((bits == 32) || (val>>bits == 0));
+
+	/* slightly pessimistic size check but faster than "<= bw->words + (bw->bits+bits+FLAC__BITS_PER_WORD-1)/FLAC__BITS_PER_WORD" */
+	if(bw->capacity <= bw->words + bits && !bitwriter_grow_(bw, bits))
+		return false;
+
+	left = FLAC__BITS_PER_WORD - bw->bits;
+	if(bits < left) {
+		bw->accum <<= bits;
+		bw->accum |= val;
+		bw->bits += bits;
+	}
+	else if(bw->bits) { /* WATCHOUT: if bw->bits == 0, left==FLAC__BITS_PER_WORD and bw->accum<<=left is a NOP instead of setting to 0 */
+		bw->accum <<= left;
+		bw->accum |= val >> (bw->bits = bits - left);
+		bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum);
+		bw->accum = val; /* unused top bits can contain garbage */
+	}
+	else { /* at this point bits == FLAC__BITS_PER_WORD == 32  and  bw->bits == 0 */
+		bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST((bwword)val);
+	}
+
+	return true;
+}
+
+inline FLAC__bool FLAC__bitwriter_write_raw_uint32(FLAC__BitWriter *bw, FLAC__uint32 val, unsigned bits)
+{
+	/* check that unused bits are unset */
+	if((bits < 32) && (val>>bits != 0))
+		return false;
+
+	return FLAC__bitwriter_write_raw_uint32_nocheck(bw, val, bits);
+}
+
+inline FLAC__bool FLAC__bitwriter_write_raw_int32(FLAC__BitWriter *bw, FLAC__int32 val, unsigned bits)
+{
+	/* zero-out unused bits */
+	if(bits < 32)
+		val &= (~(0xffffffff << bits));
+
+	return FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)val, bits);
+}
+
+inline FLAC__bool FLAC__bitwriter_write_raw_uint64(FLAC__BitWriter *bw, FLAC__uint64 val, unsigned bits)
+{
+	/* this could be a little faster but it's not used for much */
+	if(bits > 32) {
+		return
+			FLAC__bitwriter_write_raw_uint32(bw, (FLAC__uint32)(val>>32), bits-32) &&
+			FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)val, 32);
+	}
+	else
+		return FLAC__bitwriter_write_raw_uint32(bw, (FLAC__uint32)val, bits);
+}
+
+inline FLAC__bool FLAC__bitwriter_write_raw_uint32_little_endian(FLAC__BitWriter *bw, FLAC__uint32 val)
+{
+	/* this doesn't need to be that fast as currently it is only used for vorbis comments */
+
+	if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, val & 0xff, 8))
+		return false;
+	if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, (val>>8) & 0xff, 8))
+		return false;
+	if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, (val>>16) & 0xff, 8))
+		return false;
+	if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, val>>24, 8))
+		return false;
+
+	return true;
+}
+
+inline FLAC__bool FLAC__bitwriter_write_byte_block(FLAC__BitWriter *bw, const FLAC__byte vals[], unsigned nvals)
+{
+	unsigned i;
+
+	/* this could be faster but currently we don't need it to be since it's only used for writing metadata */
+	for(i = 0; i < nvals; i++) {
+		if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)(vals[i]), 8))
+			return false;
+	}
+
+	return true;
+}
+
+FLAC__bool FLAC__bitwriter_write_unary_unsigned(FLAC__BitWriter *bw, unsigned val)
+{
+	if(val < 32)
+		return FLAC__bitwriter_write_raw_uint32_nocheck(bw, 1, ++val);
+	else
+		return
+			FLAC__bitwriter_write_zeroes(bw, val) &&
+			FLAC__bitwriter_write_raw_uint32_nocheck(bw, 1, 1);
+}
+
+unsigned FLAC__bitwriter_rice_bits(FLAC__int32 val, unsigned parameter)
+{
+	FLAC__uint32 uval;
+
+	FLAC__ASSERT(parameter < 32);
+
+	/* fold signed to unsigned; actual formula is: negative(v)? -2v-1 : 2v */
+	uval = val;
+	uval <<= 1;
+	uval ^= (val>>31);
+
+	return 1 + parameter + (uval >> parameter);
+}
+
+#if 0 /* UNUSED */
+unsigned FLAC__bitwriter_golomb_bits_signed(int val, unsigned parameter)
+{
+	unsigned bits, msbs, uval;
+	unsigned k;
+
+	FLAC__ASSERT(parameter > 0);
+
+	/* fold signed to unsigned */
+	if(val < 0)
+		uval = (unsigned)(((-(++val)) << 1) + 1);
+	else
+		uval = (unsigned)(val << 1);
+
+	k = FLAC__bitmath_ilog2(parameter);
+	if(parameter == 1u<<k) {
+		FLAC__ASSERT(k <= 30);
+
+		msbs = uval >> k;
+		bits = 1 + k + msbs;
+	}
+	else {
+		unsigned q, r, d;
+
+		d = (1 << (k+1)) - parameter;
+		q = uval / parameter;
+		r = uval - (q * parameter);
+
+		bits = 1 + q + k;
+		if(r >= d)
+			bits++;
+	}
+	return bits;
+}
+
+unsigned FLAC__bitwriter_golomb_bits_unsigned(unsigned uval, unsigned parameter)
+{
+	unsigned bits, msbs;
+	unsigned k;
+
+	FLAC__ASSERT(parameter > 0);
+
+	k = FLAC__bitmath_ilog2(parameter);
+	if(parameter == 1u<<k) {
+		FLAC__ASSERT(k <= 30);
+
+		msbs = uval >> k;
+		bits = 1 + k + msbs;
+	}
+	else {
+		unsigned q, r, d;
+
+		d = (1 << (k+1)) - parameter;
+		q = uval / parameter;
+		r = uval - (q * parameter);
+
+		bits = 1 + q + k;
+		if(r >= d)
+			bits++;
+	}
+	return bits;
+}
+#endif /* UNUSED */
+
+FLAC__bool FLAC__bitwriter_write_rice_signed(FLAC__BitWriter *bw, FLAC__int32 val, unsigned parameter)
+{
+	unsigned total_bits, interesting_bits, msbs;
+	FLAC__uint32 uval, pattern;
+
+	FLAC__ASSERT(0 != bw);
+	FLAC__ASSERT(0 != bw->buffer);
+	FLAC__ASSERT(parameter < 32);
+
+	/* fold signed to unsigned; actual formula is: negative(v)? -2v-1 : 2v */
+	uval = val;
+	uval <<= 1;
+	uval ^= (val>>31);
+
+	msbs = uval >> parameter;
+	interesting_bits = 1 + parameter;
+	total_bits = interesting_bits + msbs;
+	pattern = 1 << parameter; /* the unary end bit */
+	pattern |= (uval & ((1<<parameter)-1)); /* the binary LSBs */
+
+	if(total_bits <= 32)
+		return FLAC__bitwriter_write_raw_uint32(bw, pattern, total_bits);
+	else
+		return
+			FLAC__bitwriter_write_zeroes(bw, msbs) && /* write the unary MSBs */
+			FLAC__bitwriter_write_raw_uint32(bw, pattern, interesting_bits); /* write the unary end bit and binary LSBs */
+}
+
+FLAC__bool FLAC__bitwriter_write_rice_signed_block(FLAC__BitWriter *bw, const FLAC__int32 *vals, unsigned nvals, unsigned parameter)
+{
+	const FLAC__uint32 mask1 = (FLAC__uint32)0xffffffff << parameter; /* we val|=mask1 to set the stop bit above it... */
+	const FLAC__uint32 mask2 = (FLAC__uint32)0xffffffff >> (31-parameter); /* ...then mask off the bits above the stop bit with val&=mask2 */
+	FLAC__uint32 uval;
+	unsigned left;
+	const unsigned lsbits = 1 + parameter;
+	unsigned msbits, total_bits;
+
+	FLAC__ASSERT(0 != bw);
+	FLAC__ASSERT(0 != bw->buffer);
+	FLAC__ASSERT(parameter < 31);
+	/* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */
+	FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32);
+
+	while(nvals) {
+		/* fold signed to unsigned; actual formula is: negative(v)? -2v-1 : 2v */
+		uval = *vals;
+		uval <<= 1;
+		uval ^= (*vals>>31);
+
+		msbits = uval >> parameter;
+		total_bits = lsbits + msbits;
+
+		if(bw->bits && bw->bits + total_bits < FLAC__BITS_PER_WORD) { /* i.e. if the whole thing fits in the current bwword */
+			/* ^^^ if bw->bits is 0 then we may have filled the buffer and have no free bwword to work in */
+			bw->bits += total_bits;
+			uval |= mask1; /* set stop bit */
+			uval &= mask2; /* mask off unused top bits */
+			bw->accum <<= total_bits;
+			bw->accum |= uval;
+		}
+		else {
+			/* slightly pessimistic size check but faster than "<= bw->words + (bw->bits+msbits+lsbits+FLAC__BITS_PER_WORD-1)/FLAC__BITS_PER_WORD" */
+			/* OPT: pessimism may cause flurry of false calls to grow_ which eat up all savings before it */
+			if(bw->capacity <= bw->words + bw->bits + msbits + 1 /* lsbits always fit in 1 bwword */ && !bitwriter_grow_(bw, total_bits))
+				return false;
+
+			if(msbits) {
+				/* first part gets to word alignment */
+				if(bw->bits) {
+					left = FLAC__BITS_PER_WORD - bw->bits;
+					if(msbits < left) {
+						bw->accum <<= msbits;
+						bw->bits += msbits;
+						goto break1;
+					}
+					else {
+						bw->accum <<= left;
+						msbits -= left;
+						bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum);
+						bw->bits = 0;
+					}
+				}
+				/* do whole words */
+				while(msbits >= FLAC__BITS_PER_WORD) {
+					bw->buffer[bw->words++] = 0;
+					msbits -= FLAC__BITS_PER_WORD;
+				}
+				/* do any leftovers */
+				if(msbits > 0) {
+					bw->accum = 0;
+					bw->bits = msbits;
+				}
+			}
+break1:
+			uval |= mask1; /* set stop bit */
+			uval &= mask2; /* mask off unused top bits */
+
+			left = FLAC__BITS_PER_WORD - bw->bits;
+			if(lsbits < left) {
+				bw->accum <<= lsbits;
+				bw->accum |= uval;
+				bw->bits += lsbits;
+			}
+			else {
+				/* if bw->bits == 0, left==FLAC__BITS_PER_WORD which will always
+				 * be > lsbits (because of previous assertions) so it would have
+				 * triggered the (lsbits<left) case above.
+				 */
+				FLAC__ASSERT(bw->bits);
+				FLAC__ASSERT(left < FLAC__BITS_PER_WORD);
+				bw->accum <<= left;
+				bw->accum |= uval >> (bw->bits = lsbits - left);
+				bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum);
+				bw->accum = uval; /* unused top bits can contain garbage */
+			}
+		}
+		vals++;
+		nvals--;
+	}
+	return true;
+}
+
+#if 0 /* UNUSED */
+FLAC__bool FLAC__bitwriter_write_golomb_signed(FLAC__BitWriter *bw, int val, unsigned parameter)
+{
+	unsigned total_bits, msbs, uval;
+	unsigned k;
+
+	FLAC__ASSERT(0 != bw);
+	FLAC__ASSERT(0 != bw->buffer);
+	FLAC__ASSERT(parameter > 0);
+
+	/* fold signed to unsigned */
+	if(val < 0)
+		uval = (unsigned)(((-(++val)) << 1) + 1);
+	else
+		uval = (unsigned)(val << 1);
+
+	k = FLAC__bitmath_ilog2(parameter);
+	if(parameter == 1u<<k) {
+		unsigned pattern;
+
+		FLAC__ASSERT(k <= 30);
+
+		msbs = uval >> k;
+		total_bits = 1 + k + msbs;
+		pattern = 1 << k; /* the unary end bit */
+		pattern |= (uval & ((1u<<k)-1)); /* the binary LSBs */
+
+		if(total_bits <= 32) {
+			if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, total_bits))
+				return false;
+		}
+		else {
+			/* write the unary MSBs */
+			if(!FLAC__bitwriter_write_zeroes(bw, msbs))
+				return false;
+			/* write the unary end bit and binary LSBs */
+			if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, k+1))
+				return false;
+		}
+	}
+	else {
+		unsigned q, r, d;
+
+		d = (1 << (k+1)) - parameter;
+		q = uval / parameter;
+		r = uval - (q * parameter);
+		/* write the unary MSBs */
+		if(!FLAC__bitwriter_write_zeroes(bw, q))
+			return false;
+		/* write the unary end bit */
+		if(!FLAC__bitwriter_write_raw_uint32(bw, 1, 1))
+			return false;
+		/* write the binary LSBs */
+		if(r >= d) {
+			if(!FLAC__bitwriter_write_raw_uint32(bw, r+d, k+1))
+				return false;
+		}
+		else {
+			if(!FLAC__bitwriter_write_raw_uint32(bw, r, k))
+				return false;
+		}
+	}
+	return true;
+}
+
+FLAC__bool FLAC__bitwriter_write_golomb_unsigned(FLAC__BitWriter *bw, unsigned uval, unsigned parameter)
+{
+	unsigned total_bits, msbs;
+	unsigned k;
+
+	FLAC__ASSERT(0 != bw);
+	FLAC__ASSERT(0 != bw->buffer);
+	FLAC__ASSERT(parameter > 0);
+
+	k = FLAC__bitmath_ilog2(parameter);
+	if(parameter == 1u<<k) {
+		unsigned pattern;
+
+		FLAC__ASSERT(k <= 30);
+
+		msbs = uval >> k;
+		total_bits = 1 + k + msbs;
+		pattern = 1 << k; /* the unary end bit */
+		pattern |= (uval & ((1u<<k)-1)); /* the binary LSBs */
+
+		if(total_bits <= 32) {
+			if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, total_bits))
+				return false;
+		}
+		else {
+			/* write the unary MSBs */
+			if(!FLAC__bitwriter_write_zeroes(bw, msbs))
+				return false;
+			/* write the unary end bit and binary LSBs */
+			if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, k+1))
+				return false;
+		}
+	}
+	else {
+		unsigned q, r, d;
+
+		d = (1 << (k+1)) - parameter;
+		q = uval / parameter;
+		r = uval - (q * parameter);
+		/* write the unary MSBs */
+		if(!FLAC__bitwriter_write_zeroes(bw, q))
+			return false;
+		/* write the unary end bit */
+		if(!FLAC__bitwriter_write_raw_uint32(bw, 1, 1))
+			return false;
+		/* write the binary LSBs */
+		if(r >= d) {
+			if(!FLAC__bitwriter_write_raw_uint32(bw, r+d, k+1))
+				return false;
+		}
+		else {
+			if(!FLAC__bitwriter_write_raw_uint32(bw, r, k))
+				return false;
+		}
+	}
+	return true;
+}
+#endif /* UNUSED */
+
+FLAC__bool FLAC__bitwriter_write_utf8_uint32(FLAC__BitWriter *bw, FLAC__uint32 val)
+{
+	FLAC__bool ok = 1;
+
+	FLAC__ASSERT(0 != bw);
+	FLAC__ASSERT(0 != bw->buffer);
+
+	if((val & 0x80000000) != 0) /* this version only handles 31 bits */
+		return false;
+
+	if(val < 0x80) {
+		return FLAC__bitwriter_write_raw_uint32_nocheck(bw, val, 8);
+	}
+	else if(val < 0x800) {
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xC0 | (val>>6), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
+	}
+	else if(val < 0x10000) {
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xE0 | (val>>12), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
+	}
+	else if(val < 0x200000) {
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF0 | (val>>18), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>12)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
+	}
+	else if(val < 0x4000000) {
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF8 | (val>>24), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>18)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>12)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
+	}
+	else {
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xFC | (val>>30), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>24)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>18)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>12)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
+	}
+
+	return ok;
+}
+
+FLAC__bool FLAC__bitwriter_write_utf8_uint64(FLAC__BitWriter *bw, FLAC__uint64 val)
+{
+	FLAC__bool ok = 1;
+
+	FLAC__ASSERT(0 != bw);
+	FLAC__ASSERT(0 != bw->buffer);
+
+	if((val & FLAC__U64L(0xFFFFFFF000000000)) != 0) /* this version only handles 36 bits */
+		return false;
+
+	if(val < 0x80) {
+		return FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)val, 8);
+	}
+	else if(val < 0x800) {
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xC0 | (FLAC__uint32)(val>>6), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
+	}
+	else if(val < 0x10000) {
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xE0 | (FLAC__uint32)(val>>12), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
+	}
+	else if(val < 0x200000) {
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF0 | (FLAC__uint32)(val>>18), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
+	}
+	else if(val < 0x4000000) {
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF8 | (FLAC__uint32)(val>>24), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>18)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
+	}
+	else if(val < 0x80000000) {
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xFC | (FLAC__uint32)(val>>30), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>24)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>18)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
+	}
+	else {
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xFE, 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>30)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>24)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>18)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
+		ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
+	}
+
+	return ok;
+}
+
+FLAC__bool FLAC__bitwriter_zero_pad_to_byte_boundary(FLAC__BitWriter *bw)
+{
+	/* 0-pad to byte boundary */
+	if(bw->bits & 7u)
+		return FLAC__bitwriter_write_zeroes(bw, 8 - (bw->bits & 7u));
+	else
+		return true;
+}
+
+/* These functions are declared inline in this file but are also callable as
+ * externs from elsewhere.
+ * According to the C99 spec, section 6.7.4, simply providing a function
+ * prototype in a header file without 'inline' and making the function inline
+ * in this file should be sufficient.
+ * Unfortunately, the Microsoft VS compiler doesn't pick them up externally. To
+ * fix that we add extern declarations here.
+ */
+extern FLAC__bool FLAC__bitwriter_write_zeroes(FLAC__BitWriter *bw, unsigned bits);
+extern FLAC__bool FLAC__bitwriter_write_raw_uint32(FLAC__BitWriter *bw, FLAC__uint32 val, unsigned bits);
+extern FLAC__bool FLAC__bitwriter_write_raw_int32(FLAC__BitWriter *bw, FLAC__int32 val, unsigned bits);
+extern FLAC__bool FLAC__bitwriter_write_raw_uint64(FLAC__BitWriter *bw, FLAC__uint64 val, unsigned bits);
+extern FLAC__bool FLAC__bitwriter_write_raw_uint32_little_endian(FLAC__BitWriter *bw, FLAC__uint32 val);
+extern FLAC__bool FLAC__bitwriter_write_byte_block(FLAC__BitWriter *bw, const FLAC__byte vals[], unsigned nvals);

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/cpu.c

@@ -0,0 +1,293 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2001-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "private/cpu.h"
+#include "share/compat.h"
+#include <stdlib.h>
+#include <memory.h>
+
+#if defined(_MSC_VER)
+#  include <intrin.h> /* for __cpuid() and _xgetbv() */
+#endif
+
+#if defined __GNUC__ && defined HAVE_CPUID_H
+#  include <cpuid.h> /* for __get_cpuid() and __get_cpuid_max() */
+#endif
+
+#ifdef DEBUG
+#include <stdio.h>
+
+#define dfprintf fprintf
+#else
+/* This is bad practice, it should be a static void empty function */
+#define dfprintf(file, format, ...)
+#endif
+
+
+#if defined FLAC__CPU_IA32
+/* these are flags in EDX of CPUID AX=00000001 */
+static const unsigned FLAC__CPUINFO_IA32_CPUID_CMOV = 0x00008000;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_MMX = 0x00800000;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE = 0x02000000;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE2 = 0x04000000;
+#endif
+
+#if FLAC__HAS_X86INTRIN || FLAC__AVX_SUPPORTED
+/* these are flags in ECX of CPUID AX=00000001 */
+static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE3 = 0x00000001;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_SSSE3 = 0x00000200;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE41 = 0x00080000;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE42 = 0x00100000;
+
+/* these are flags in ECX of CPUID AX=00000001 */
+static const unsigned FLAC__CPUINFO_IA32_CPUID_OSXSAVE = 0x08000000;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_AVX = 0x10000000;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_FMA = 0x00001000;
+/* these are flags in EBX of CPUID AX=00000007 */
+static const unsigned FLAC__CPUINFO_IA32_CPUID_AVX2 = 0x00000020;
+#endif
+
+#if defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64
+static uint32_t
+cpu_xgetbv_x86(void)
+{
+#if (defined _MSC_VER || defined __INTEL_COMPILER) && FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED
+	return (uint32_t)_xgetbv(0);
+#elif defined __GNUC__
+	uint32_t lo, hi;
+	asm volatile (".byte 0x0f, 0x01, 0xd0" : "=a"(lo), "=d"(hi) : "c" (0));
+	return lo;
+#else
+	return 0;
+#endif
+}
+#endif
+
+static void
+ia32_cpu_info (FLAC__CPUInfo *info)
+{
+#if !defined FLAC__CPU_IA32
+	(void) info;
+#else
+	FLAC__bool ia32_osxsave = false;
+	FLAC__uint32 flags_eax, flags_ebx, flags_ecx, flags_edx;
+
+#if !defined FLAC__NO_ASM && (defined FLAC__HAS_NASM || FLAC__HAS_X86INTRIN)
+	info->use_asm = true; /* we assume a minimum of 80386 with FLAC__CPU_IA32 */
+#if defined FLAC__HAS_NASM
+	if(!FLAC__cpu_have_cpuid_asm_ia32())
+		return;
+#endif
+	/* http://www.sandpile.org/x86/cpuid.htm */
+	if (FLAC__HAS_X86INTRIN) {
+		FLAC__cpu_info_x86(0, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
+		info->ia32.intel = (flags_ebx == 0x756E6547 && flags_edx == 0x49656E69 && flags_ecx == 0x6C65746E) ? true : false; /* GenuineIntel */
+		FLAC__cpu_info_x86(1, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
+	}
+	else {
+		FLAC__cpu_info_asm_ia32(&flags_edx, &flags_ecx);
+	}
+
+	info->ia32.cmov  = (flags_edx & FLAC__CPUINFO_IA32_CPUID_CMOV ) ? true : false;
+	info->ia32.mmx   = (flags_edx & FLAC__CPUINFO_IA32_CPUID_MMX  ) ? true : false;
+	info->ia32.sse   = (flags_edx & FLAC__CPUINFO_IA32_CPUID_SSE  ) ? true : false;
+	info->ia32.sse2  = (flags_edx & FLAC__CPUINFO_IA32_CPUID_SSE2 ) ? true : false;
+	info->ia32.sse3  = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE3 ) ? true : false;
+	info->ia32.ssse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSSE3) ? true : false;
+	info->ia32.sse41 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE41) ? true : false;
+	info->ia32.sse42 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE42) ? true : false;
+
+	if (FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED) {
+		ia32_osxsave = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_OSXSAVE) ? true : false;
+		info->ia32.avx   = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_AVX    ) ? true : false;
+		info->ia32.fma   = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_FMA    ) ? true : false;
+		FLAC__cpu_info_x86(7, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
+		info->ia32.avx2  = (flags_ebx & FLAC__CPUINFO_IA32_CPUID_AVX2   ) ? true : false;
+	}
+
+	dfprintf(stderr, "CPU info (IA-32):\n");
+	dfprintf(stderr, "  CMOV ....... %c\n", info->ia32.cmov    ? 'Y' : 'n');
+	dfprintf(stderr, "  MMX ........ %c\n", info->ia32.mmx     ? 'Y' : 'n');
+	dfprintf(stderr, "  SSE ........ %c\n", info->ia32.sse     ? 'Y' : 'n');
+	dfprintf(stderr, "  SSE2 ....... %c\n", info->ia32.sse2    ? 'Y' : 'n');
+	dfprintf(stderr, "  SSE3 ....... %c\n", info->ia32.sse3    ? 'Y' : 'n');
+	dfprintf(stderr, "  SSSE3 ...... %c\n", info->ia32.ssse3   ? 'Y' : 'n');
+	dfprintf(stderr, "  SSE41 ...... %c\n", info->ia32.sse41   ? 'Y' : 'n');
+	dfprintf(stderr, "  SSE42 ...... %c\n", info->ia32.sse42   ? 'Y' : 'n');
+
+	if (FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED) {
+		dfprintf(stderr, "  AVX ........ %c\n", info->ia32.avx     ? 'Y' : 'n');
+		dfprintf(stderr, "  FMA ........ %c\n", info->ia32.fma     ? 'Y' : 'n');
+		dfprintf(stderr, "  AVX2 ....... %c\n", info->ia32.avx2    ? 'Y' : 'n');
+	}
+
+	/*
+	 * now have to check for OS support of AVX instructions
+	 */
+	if (!FLAC__HAS_X86INTRIN || !info->ia32.avx || !ia32_osxsave || (cpu_xgetbv_x86() & 0x6) != 0x6) {
+		/* no OS AVX support */
+		info->ia32.avx     = false;
+		info->ia32.avx2    = false;
+		info->ia32.fma     = false;
+	}
+
+	if (FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED) {
+		dfprintf(stderr, "  AVX OS sup . %c\n", info->ia32.avx ? 'Y' : 'n');
+	}
+#else
+	info->use_asm = false;
+#endif
+#endif
+}
+
+static void
+x86_64_cpu_info (FLAC__CPUInfo *info)
+{
+#if !defined FLAC__NO_ASM && FLAC__HAS_X86INTRIN
+	FLAC__bool x86_osxsave = false;
+	FLAC__uint32 flags_eax, flags_ebx, flags_ecx, flags_edx;
+
+	info->use_asm = true;
+
+	/* http://www.sandpile.org/x86/cpuid.htm */
+	FLAC__cpu_info_x86(0, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
+	info->x86.intel = (flags_ebx == 0x756E6547 && flags_edx == 0x49656E69 && flags_ecx == 0x6C65746E) ? true : false; /* GenuineIntel */
+	FLAC__cpu_info_x86(1, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
+	info->x86.sse3  = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE3 ) ? true : false;
+	info->x86.ssse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSSE3) ? true : false;
+	info->x86.sse41 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE41) ? true : false;
+	info->x86.sse42 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE42) ? true : false;
+
+	if (FLAC__AVX_SUPPORTED) {
+		x86_osxsave = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_OSXSAVE) ? true : false;
+		info->x86.avx   = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_AVX    ) ? true : false;
+		info->x86.fma   = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_FMA    ) ? true : false;
+		FLAC__cpu_info_x86(7, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
+		info->x86.avx2  = (flags_ebx & FLAC__CPUINFO_IA32_CPUID_AVX2   ) ? true : false;
+	}
+
+	dfprintf(stderr, "CPU info (x86-64):\n");
+	dfprintf(stderr, "  SSE3 ....... %c\n", info->x86.sse3  ? 'Y' : 'n');
+	dfprintf(stderr, "  SSSE3 ...... %c\n", info->x86.ssse3 ? 'Y' : 'n');
+	dfprintf(stderr, "  SSE41 ...... %c\n", info->x86.sse41 ? 'Y' : 'n');
+	dfprintf(stderr, "  SSE42 ...... %c\n", info->x86.sse42 ? 'Y' : 'n');
+
+	if (FLAC__AVX_SUPPORTED) {
+		dfprintf(stderr, "  AVX ........ %c\n", info->x86.avx   ? 'Y' : 'n');
+		dfprintf(stderr, "  FMA ........ %c\n", info->x86.fma   ? 'Y' : 'n');
+		dfprintf(stderr, "  AVX2 ....... %c\n", info->x86.avx2  ? 'Y' : 'n');
+	}
+
+	/*
+	 * now have to check for OS support of AVX instructions
+	 */
+	if (!info->x86.avx || !x86_osxsave || (cpu_xgetbv_x86() & 0x6) != 0x6) {
+		/* no OS AVX support */
+		info->x86.avx     = false;
+		info->x86.avx2    = false;
+		info->x86.fma     = false;
+	}
+
+	if (FLAC__AVX_SUPPORTED) {
+		dfprintf(stderr, "  AVX OS sup . %c\n", info->x86.avx ? 'Y' : 'n');
+	}
+#else
+	/* Silence compiler warnings. */
+	(void) info;
+#if defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64
+	if (0) cpu_xgetbv_x86 ();
+#endif
+#endif
+}
+
+void FLAC__cpu_info (FLAC__CPUInfo *info)
+{
+	memset(info, 0, sizeof(*info));
+
+#ifdef FLAC__CPU_IA32
+	info->type = FLAC__CPUINFO_TYPE_IA32;
+#elif defined FLAC__CPU_X86_64
+	info->type = FLAC__CPUINFO_TYPE_X86_64;
+#else
+	info->type = FLAC__CPUINFO_TYPE_UNKNOWN;
+	info->use_asm = false;
+#endif
+
+	switch (info->type) {
+	case FLAC__CPUINFO_TYPE_IA32:
+		ia32_cpu_info (info);
+		break;
+	case FLAC__CPUINFO_TYPE_X86_64:
+		x86_64_cpu_info (info);
+		break;
+	default:
+		info->use_asm = false;
+		break;
+	}
+}
+
+#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
+
+void FLAC__cpu_info_x86(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx, FLAC__uint32 *ecx, FLAC__uint32 *edx)
+{
+#if defined _MSC_VER || defined __INTEL_COMPILER
+	int cpuinfo[4];
+	int ext = level & 0x80000000;
+	__cpuid(cpuinfo, ext);
+	if((unsigned)cpuinfo[0] >= level) {
+#if FLAC__AVX_SUPPORTED
+		__cpuidex(cpuinfo, ext, 0); /* for AVX2 detection */
+#else
+		__cpuid(cpuinfo, ext); /* some old compilers don't support __cpuidex */
+#endif
+
+		*eax = cpuinfo[0]; *ebx = cpuinfo[1]; *ecx = cpuinfo[2]; *edx = cpuinfo[3];
+
+		return;
+	}
+#elif defined __GNUC__ && defined HAVE_CPUID_H
+	FLAC__uint32 ext = level & 0x80000000;
+	__cpuid(ext, *eax, *ebx, *ecx, *edx);
+	if (*eax >= level) {
+		__cpuid_count(level, 0, *eax, *ebx, *ecx, *edx);
+
+		return;
+	}
+#endif
+	*eax = *ebx = *ecx = *edx = 0;
+}
+
+#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/crc.c

@@ -0,0 +1,143 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "private/crc.h"
+
+/* CRC-8, poly = x^8 + x^2 + x^1 + x^0, init = 0 */
+
+FLAC__byte const FLAC__crc8_table[256] = {
+	0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15,
+	0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D,
+	0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65,
+	0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D,
+	0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5,
+	0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD,
+	0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85,
+	0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD,
+	0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2,
+	0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA,
+	0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2,
+	0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A,
+	0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32,
+	0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A,
+	0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42,
+	0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A,
+	0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C,
+	0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4,
+	0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC,
+	0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4,
+	0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C,
+	0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44,
+	0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C,
+	0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34,
+	0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B,
+	0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63,
+	0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B,
+	0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13,
+	0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB,
+	0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83,
+	0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB,
+	0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3
+};
+
+/* CRC-16, poly = x^16 + x^15 + x^2 + x^0, init = 0 */
+
+unsigned const FLAC__crc16_table[256] = {
+	0x0000,  0x8005,  0x800f,  0x000a,  0x801b,  0x001e,  0x0014,  0x8011,
+	0x8033,  0x0036,  0x003c,  0x8039,  0x0028,  0x802d,  0x8027,  0x0022,
+	0x8063,  0x0066,  0x006c,  0x8069,  0x0078,  0x807d,  0x8077,  0x0072,
+	0x0050,  0x8055,  0x805f,  0x005a,  0x804b,  0x004e,  0x0044,  0x8041,
+	0x80c3,  0x00c6,  0x00cc,  0x80c9,  0x00d8,  0x80dd,  0x80d7,  0x00d2,
+	0x00f0,  0x80f5,  0x80ff,  0x00fa,  0x80eb,  0x00ee,  0x00e4,  0x80e1,
+	0x00a0,  0x80a5,  0x80af,  0x00aa,  0x80bb,  0x00be,  0x00b4,  0x80b1,
+	0x8093,  0x0096,  0x009c,  0x8099,  0x0088,  0x808d,  0x8087,  0x0082,
+	0x8183,  0x0186,  0x018c,  0x8189,  0x0198,  0x819d,  0x8197,  0x0192,
+	0x01b0,  0x81b5,  0x81bf,  0x01ba,  0x81ab,  0x01ae,  0x01a4,  0x81a1,
+	0x01e0,  0x81e5,  0x81ef,  0x01ea,  0x81fb,  0x01fe,  0x01f4,  0x81f1,
+	0x81d3,  0x01d6,  0x01dc,  0x81d9,  0x01c8,  0x81cd,  0x81c7,  0x01c2,
+	0x0140,  0x8145,  0x814f,  0x014a,  0x815b,  0x015e,  0x0154,  0x8151,
+	0x8173,  0x0176,  0x017c,  0x8179,  0x0168,  0x816d,  0x8167,  0x0162,
+	0x8123,  0x0126,  0x012c,  0x8129,  0x0138,  0x813d,  0x8137,  0x0132,
+	0x0110,  0x8115,  0x811f,  0x011a,  0x810b,  0x010e,  0x0104,  0x8101,
+	0x8303,  0x0306,  0x030c,  0x8309,  0x0318,  0x831d,  0x8317,  0x0312,
+	0x0330,  0x8335,  0x833f,  0x033a,  0x832b,  0x032e,  0x0324,  0x8321,
+	0x0360,  0x8365,  0x836f,  0x036a,  0x837b,  0x037e,  0x0374,  0x8371,
+	0x8353,  0x0356,  0x035c,  0x8359,  0x0348,  0x834d,  0x8347,  0x0342,
+	0x03c0,  0x83c5,  0x83cf,  0x03ca,  0x83db,  0x03de,  0x03d4,  0x83d1,
+	0x83f3,  0x03f6,  0x03fc,  0x83f9,  0x03e8,  0x83ed,  0x83e7,  0x03e2,
+	0x83a3,  0x03a6,  0x03ac,  0x83a9,  0x03b8,  0x83bd,  0x83b7,  0x03b2,
+	0x0390,  0x8395,  0x839f,  0x039a,  0x838b,  0x038e,  0x0384,  0x8381,
+	0x0280,  0x8285,  0x828f,  0x028a,  0x829b,  0x029e,  0x0294,  0x8291,
+	0x82b3,  0x02b6,  0x02bc,  0x82b9,  0x02a8,  0x82ad,  0x82a7,  0x02a2,
+	0x82e3,  0x02e6,  0x02ec,  0x82e9,  0x02f8,  0x82fd,  0x82f7,  0x02f2,
+	0x02d0,  0x82d5,  0x82df,  0x02da,  0x82cb,  0x02ce,  0x02c4,  0x82c1,
+	0x8243,  0x0246,  0x024c,  0x8249,  0x0258,  0x825d,  0x8257,  0x0252,
+	0x0270,  0x8275,  0x827f,  0x027a,  0x826b,  0x026e,  0x0264,  0x8261,
+	0x0220,  0x8225,  0x822f,  0x022a,  0x823b,  0x023e,  0x0234,  0x8231,
+	0x8213,  0x0216,  0x021c,  0x8219,  0x0208,  0x820d,  0x8207,  0x0202
+};
+
+
+void FLAC__crc8_update(const FLAC__byte data, FLAC__uint8 *crc)
+{
+	*crc = FLAC__crc8_table[*crc ^ data];
+}
+
+void FLAC__crc8_update_block(const FLAC__byte *data, unsigned len, FLAC__uint8 *crc)
+{
+	while(len--)
+		*crc = FLAC__crc8_table[*crc ^ *data++];
+}
+
+FLAC__uint8 FLAC__crc8(const FLAC__byte *data, unsigned len)
+{
+	FLAC__uint8 crc = 0;
+
+	while(len--)
+		crc = FLAC__crc8_table[crc ^ *data++];
+
+	return crc;
+}
+
+unsigned FLAC__crc16(const FLAC__byte *data, unsigned len)
+{
+	unsigned crc = 0;
+
+	while(len--)
+		crc = ((crc<<8) ^ FLAC__crc16_table[(crc>>8) ^ *data++]) & 0xffff;
+
+	return crc;
+}

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/fixed.c

@@ -0,0 +1,395 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <math.h>
+#include <string.h>
+#include "share/compat.h"
+#include "private/bitmath.h"
+#include "private/fixed.h"
+#include "private/macros.h"
+#include "FLAC/assert.h"
+
+#ifdef local_abs
+#undef local_abs
+#endif
+#define local_abs(x) ((unsigned)((x)<0? -(x) : (x)))
+
+#ifdef FLAC__INTEGER_ONLY_LIBRARY
+/* rbps stands for residual bits per sample
+ *
+ *             (ln(2) * err)
+ * rbps = log  (-----------)
+ *           2 (     n     )
+ */
+static FLAC__fixedpoint local__compute_rbps_integerized(FLAC__uint32 err, FLAC__uint32 n)
+{
+	FLAC__uint32 rbps;
+	unsigned bits; /* the number of bits required to represent a number */
+	int fracbits; /* the number of bits of rbps that comprise the fractional part */
+
+	FLAC__ASSERT(sizeof(rbps) == sizeof(FLAC__fixedpoint));
+	FLAC__ASSERT(err > 0);
+	FLAC__ASSERT(n > 0);
+
+	FLAC__ASSERT(n <= FLAC__MAX_BLOCK_SIZE);
+	if(err <= n)
+		return 0;
+	/*
+	 * The above two things tell us 1) n fits in 16 bits; 2) err/n > 1.
+	 * These allow us later to know we won't lose too much precision in the
+	 * fixed-point division (err<<fracbits)/n.
+	 */
+
+	fracbits = (8*sizeof(err)) - (FLAC__bitmath_ilog2(err)+1);
+
+	err <<= fracbits;
+	err /= n;
+	/* err now holds err/n with fracbits fractional bits */
+
+	/*
+	 * Whittle err down to 16 bits max.  16 significant bits is enough for
+	 * our purposes.
+	 */
+	FLAC__ASSERT(err > 0);
+	bits = FLAC__bitmath_ilog2(err)+1;
+	if(bits > 16) {
+		err >>= (bits-16);
+		fracbits -= (bits-16);
+	}
+	rbps = (FLAC__uint32)err;
+
+	/* Multiply by fixed-point version of ln(2), with 16 fractional bits */
+	rbps *= FLAC__FP_LN2;
+	fracbits += 16;
+	FLAC__ASSERT(fracbits >= 0);
+
+	/* FLAC__fixedpoint_log2 requires fracbits%4 to be 0 */
+	{
+		const int f = fracbits & 3;
+		if(f) {
+			rbps >>= f;
+			fracbits -= f;
+		}
+	}
+
+	rbps = FLAC__fixedpoint_log2(rbps, fracbits, (unsigned)(-1));
+
+	if(rbps == 0)
+		return 0;
+
+	/*
+	 * The return value must have 16 fractional bits.  Since the whole part
+	 * of the base-2 log of a 32 bit number must fit in 5 bits, and fracbits
+	 * must be >= -3, these assertion allows us to be able to shift rbps
+	 * left if necessary to get 16 fracbits without losing any bits of the
+	 * whole part of rbps.
+	 *
+	 * There is a slight chance due to accumulated error that the whole part
+	 * will require 6 bits, so we use 6 in the assertion.  Really though as
+	 * long as it fits in 13 bits (32 - (16 - (-3))) we are fine.
+	 */
+	FLAC__ASSERT((int)FLAC__bitmath_ilog2(rbps)+1 <= fracbits + 6);
+	FLAC__ASSERT(fracbits >= -3);
+
+	/* now shift the decimal point into place */
+	if(fracbits < 16)
+		return rbps << (16-fracbits);
+	else if(fracbits > 16)
+		return rbps >> (fracbits-16);
+	else
+		return rbps;
+}
+
+static FLAC__fixedpoint local__compute_rbps_wide_integerized(FLAC__uint64 err, FLAC__uint32 n)
+{
+	FLAC__uint32 rbps;
+	unsigned bits; /* the number of bits required to represent a number */
+	int fracbits; /* the number of bits of rbps that comprise the fractional part */
+
+	FLAC__ASSERT(sizeof(rbps) == sizeof(FLAC__fixedpoint));
+	FLAC__ASSERT(err > 0);
+	FLAC__ASSERT(n > 0);
+
+	FLAC__ASSERT(n <= FLAC__MAX_BLOCK_SIZE);
+	if(err <= n)
+		return 0;
+	/*
+	 * The above two things tell us 1) n fits in 16 bits; 2) err/n > 1.
+	 * These allow us later to know we won't lose too much precision in the
+	 * fixed-point division (err<<fracbits)/n.
+	 */
+
+	fracbits = (8*sizeof(err)) - (FLAC__bitmath_ilog2_wide(err)+1);
+
+	err <<= fracbits;
+	err /= n;
+	/* err now holds err/n with fracbits fractional bits */
+
+	/*
+	 * Whittle err down to 16 bits max.  16 significant bits is enough for
+	 * our purposes.
+	 */
+	FLAC__ASSERT(err > 0);
+	bits = FLAC__bitmath_ilog2_wide(err)+1;
+	if(bits > 16) {
+		err >>= (bits-16);
+		fracbits -= (bits-16);
+	}
+	rbps = (FLAC__uint32)err;
+
+	/* Multiply by fixed-point version of ln(2), with 16 fractional bits */
+	rbps *= FLAC__FP_LN2;
+	fracbits += 16;
+	FLAC__ASSERT(fracbits >= 0);
+
+	/* FLAC__fixedpoint_log2 requires fracbits%4 to be 0 */
+	{
+		const int f = fracbits & 3;
+		if(f) {
+			rbps >>= f;
+			fracbits -= f;
+		}
+	}
+
+	rbps = FLAC__fixedpoint_log2(rbps, fracbits, (unsigned)(-1));
+
+	if(rbps == 0)
+		return 0;
+
+	/*
+	 * The return value must have 16 fractional bits.  Since the whole part
+	 * of the base-2 log of a 32 bit number must fit in 5 bits, and fracbits
+	 * must be >= -3, these assertion allows us to be able to shift rbps
+	 * left if necessary to get 16 fracbits without losing any bits of the
+	 * whole part of rbps.
+	 *
+	 * There is a slight chance due to accumulated error that the whole part
+	 * will require 6 bits, so we use 6 in the assertion.  Really though as
+	 * long as it fits in 13 bits (32 - (16 - (-3))) we are fine.
+	 */
+	FLAC__ASSERT((int)FLAC__bitmath_ilog2(rbps)+1 <= fracbits + 6);
+	FLAC__ASSERT(fracbits >= -3);
+
+	/* now shift the decimal point into place */
+	if(fracbits < 16)
+		return rbps << (16-fracbits);
+	else if(fracbits > 16)
+		return rbps >> (fracbits-16);
+	else
+		return rbps;
+}
+#endif
+
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+unsigned FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
+#else
+unsigned FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], unsigned data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
+#endif
+{
+	FLAC__int32 last_error_0 = data[-1];
+	FLAC__int32 last_error_1 = data[-1] - data[-2];
+	FLAC__int32 last_error_2 = last_error_1 - (data[-2] - data[-3]);
+	FLAC__int32 last_error_3 = last_error_2 - (data[-2] - 2*data[-3] + data[-4]);
+	FLAC__int32 error, save;
+	FLAC__uint32 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0;
+	unsigned i, order;
+
+	for(i = 0; i < data_len; i++) {
+		error  = data[i]     ; total_error_0 += local_abs(error);                      save = error;
+		error -= last_error_0; total_error_1 += local_abs(error); last_error_0 = save; save = error;
+		error -= last_error_1; total_error_2 += local_abs(error); last_error_1 = save; save = error;
+		error -= last_error_2; total_error_3 += local_abs(error); last_error_2 = save; save = error;
+		error -= last_error_3; total_error_4 += local_abs(error); last_error_3 = save;
+	}
+
+	if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
+		order = 0;
+	else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
+		order = 1;
+	else if(total_error_2 < flac_min(total_error_3, total_error_4))
+		order = 2;
+	else if(total_error_3 < total_error_4)
+		order = 3;
+	else
+		order = 4;
+
+	/* Estimate the expected number of bits per residual signal sample. */
+	/* 'total_error*' is linearly related to the variance of the residual */
+	/* signal, so we use it directly to compute E(|x|) */
+	FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+	residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
+#else
+	residual_bits_per_sample[0] = (total_error_0 > 0) ? local__compute_rbps_integerized(total_error_0, data_len) : 0;
+	residual_bits_per_sample[1] = (total_error_1 > 0) ? local__compute_rbps_integerized(total_error_1, data_len) : 0;
+	residual_bits_per_sample[2] = (total_error_2 > 0) ? local__compute_rbps_integerized(total_error_2, data_len) : 0;
+	residual_bits_per_sample[3] = (total_error_3 > 0) ? local__compute_rbps_integerized(total_error_3, data_len) : 0;
+	residual_bits_per_sample[4] = (total_error_4 > 0) ? local__compute_rbps_integerized(total_error_4, data_len) : 0;
+#endif
+
+	return order;
+}
+
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+unsigned FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
+#else
+unsigned FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], unsigned data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
+#endif
+{
+	FLAC__int32 last_error_0 = data[-1];
+	FLAC__int32 last_error_1 = data[-1] - data[-2];
+	FLAC__int32 last_error_2 = last_error_1 - (data[-2] - data[-3]);
+	FLAC__int32 last_error_3 = last_error_2 - (data[-2] - 2*data[-3] + data[-4]);
+	FLAC__int32 error, save;
+	/* total_error_* are 64-bits to avoid overflow when encoding
+	 * erratic signals when the bits-per-sample and blocksize are
+	 * large.
+	 */
+	FLAC__uint64 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0;
+	unsigned i, order;
+
+	for(i = 0; i < data_len; i++) {
+		error  = data[i]     ; total_error_0 += local_abs(error);                      save = error;
+		error -= last_error_0; total_error_1 += local_abs(error); last_error_0 = save; save = error;
+		error -= last_error_1; total_error_2 += local_abs(error); last_error_1 = save; save = error;
+		error -= last_error_2; total_error_3 += local_abs(error); last_error_2 = save; save = error;
+		error -= last_error_3; total_error_4 += local_abs(error); last_error_3 = save;
+	}
+
+	if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
+		order = 0;
+	else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
+		order = 1;
+	else if(total_error_2 < flac_min(total_error_3, total_error_4))
+		order = 2;
+	else if(total_error_3 < total_error_4)
+		order = 3;
+	else
+		order = 4;
+
+	/* Estimate the expected number of bits per residual signal sample. */
+	/* 'total_error*' is linearly related to the variance of the residual */
+	/* signal, so we use it directly to compute E(|x|) */
+	FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+	residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
+#else
+	residual_bits_per_sample[0] = (total_error_0 > 0) ? local__compute_rbps_wide_integerized(total_error_0, data_len) : 0;
+	residual_bits_per_sample[1] = (total_error_1 > 0) ? local__compute_rbps_wide_integerized(total_error_1, data_len) : 0;
+	residual_bits_per_sample[2] = (total_error_2 > 0) ? local__compute_rbps_wide_integerized(total_error_2, data_len) : 0;
+	residual_bits_per_sample[3] = (total_error_3 > 0) ? local__compute_rbps_wide_integerized(total_error_3, data_len) : 0;
+	residual_bits_per_sample[4] = (total_error_4 > 0) ? local__compute_rbps_wide_integerized(total_error_4, data_len) : 0;
+#endif
+
+	return order;
+}
+
+void FLAC__fixed_compute_residual(const FLAC__int32 data[], unsigned data_len, unsigned order, FLAC__int32 residual[])
+{
+	const int idata_len = (int)data_len;
+	int i;
+
+	switch(order) {
+		case 0:
+			FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0]));
+			memcpy(residual, data, sizeof(residual[0])*data_len);
+			break;
+		case 1:
+			for(i = 0; i < idata_len; i++)
+				residual[i] = data[i] - data[i-1];
+			break;
+		case 2:
+			for(i = 0; i < idata_len; i++)
+				residual[i] = data[i] - 2*data[i-1] + data[i-2];
+			break;
+		case 3:
+			for(i = 0; i < idata_len; i++)
+				residual[i] = data[i] - 3*data[i-1] + 3*data[i-2] - data[i-3];
+			break;
+		case 4:
+			for(i = 0; i < idata_len; i++)
+				residual[i] = data[i] - 4*data[i-1] + 6*data[i-2] - 4*data[i-3] + data[i-4];
+			break;
+		default:
+			FLAC__ASSERT(0);
+	}
+}
+
+void FLAC__fixed_restore_signal(const FLAC__int32 residual[], unsigned data_len, unsigned order, FLAC__int32 data[])
+{
+	int i, idata_len = (int)data_len;
+
+	switch(order) {
+		case 0:
+			FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0]));
+			memcpy(data, residual, sizeof(residual[0])*data_len);
+			break;
+		case 1:
+			for(i = 0; i < idata_len; i++)
+				data[i] = residual[i] + data[i-1];
+			break;
+		case 2:
+			for(i = 0; i < idata_len; i++)
+				data[i] = residual[i] + 2*data[i-1] - data[i-2];
+			break;
+		case 3:
+			for(i = 0; i < idata_len; i++)
+				data[i] = residual[i] + 3*data[i-1] - 3*data[i-2] + data[i-3];
+			break;
+		case 4:
+			for(i = 0; i < idata_len; i++)
+				data[i] = residual[i] + 4*data[i-1] - 6*data[i-2] + 4*data[i-3] - data[i-4];
+			break;
+		default:
+			FLAC__ASSERT(0);
+	}
+}

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/fixed_intrin_sse2.c

@@ -0,0 +1,255 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "private/cpu.h"
+
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+#ifndef FLAC__NO_ASM
+#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && defined FLAC__HAS_X86INTRIN
+#include "private/fixed.h"
+#ifdef FLAC__SSE2_SUPPORTED
+
+#include <emmintrin.h> /* SSE2 */
+#include <math.h>
+#include "private/macros.h"
+#include "share/compat.h"
+#include "FLAC/assert.h"
+
+#ifdef FLAC__CPU_IA32
+#define m128i_to_i64(dest, src) _mm_storel_epi64((__m128i*)&dest, src)
+#else
+#define m128i_to_i64(dest, src) dest = _mm_cvtsi128_si64(src)
+#endif
+
+FLAC__SSE_TARGET("sse2")
+unsigned FLAC__fixed_compute_best_predictor_intrin_sse2(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1])
+{
+	FLAC__uint32 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4;
+	unsigned i, order;
+
+	__m128i total_err0, total_err1, total_err2;
+
+	{
+		FLAC__int32 itmp;
+		__m128i last_error;
+
+		last_error = _mm_cvtsi32_si128(data[-1]);							// 0   0   0   le0
+		itmp = data[-2];
+		last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
+		last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp));	// 0   0   le0 le1
+		itmp -= data[-3];
+		last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
+		last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp));	// 0   le0 le1 le2
+		itmp -= data[-3] - data[-4];
+		last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
+		last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp));	// le0 le1 le2 le3
+
+		total_err0 = total_err1 = _mm_setzero_si128();
+		for(i = 0; i < data_len; i++) {
+			__m128i err0, err1, tmp;
+			err0 = _mm_cvtsi32_si128(data[i]);								// 0   0   0   e0
+			err1 = _mm_shuffle_epi32(err0, _MM_SHUFFLE(0,0,0,0));			// e0  e0  e0  e0
+#if 1 /* OPT_SSE */
+			err1 = _mm_sub_epi32(err1, last_error);
+			last_error = _mm_srli_si128(last_error, 4);						// 0   le0 le1 le2
+			err1 = _mm_sub_epi32(err1, last_error);
+			last_error = _mm_srli_si128(last_error, 4);						// 0   0   le0 le1
+			err1 = _mm_sub_epi32(err1, last_error);
+			last_error = _mm_srli_si128(last_error, 4);						// 0   0   0   le0
+			err1 = _mm_sub_epi32(err1, last_error);							// e1  e2  e3  e4
+#else
+			last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 8));	// le0  le1  le2+le0  le3+le1
+			last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 4));	// le0  le1+le0  le2+le0+le1  le3+le1+le2+le0
+			err1 = _mm_sub_epi32(err1, last_error);							// e1  e2  e3  e4
+#endif
+			tmp = _mm_slli_si128(err0, 12);									// e0   0   0   0
+			last_error = _mm_srli_si128(err1, 4);							//  0  e1  e2  e3
+			last_error = _mm_or_si128(last_error, tmp);						// e0  e1  e2  e3
+
+			tmp = _mm_srai_epi32(err0, 31);
+			err0 = _mm_xor_si128(err0, tmp);
+			err0 = _mm_sub_epi32(err0, tmp);
+			tmp = _mm_srai_epi32(err1, 31);
+			err1 = _mm_xor_si128(err1, tmp);
+			err1 = _mm_sub_epi32(err1, tmp);
+
+			total_err0 = _mm_add_epi32(total_err0, err0);					// 0   0   0   te0
+			total_err1 = _mm_add_epi32(total_err1, err1);					// te1 te2 te3 te4
+		}
+	}
+
+	total_error_0 = _mm_cvtsi128_si32(total_err0);
+	total_err2 = total_err1;											// te1  te2  te3  te4
+	total_err1 = _mm_srli_si128(total_err1, 8);							//  0    0   te1  te2
+	total_error_4 = _mm_cvtsi128_si32(total_err2);
+	total_error_2 = _mm_cvtsi128_si32(total_err1);
+	total_err2 = _mm_srli_si128(total_err2,	4);							//  0   te1  te2  te3
+	total_err1 = _mm_srli_si128(total_err1, 4);							//  0    0    0   te1
+	total_error_3 = _mm_cvtsi128_si32(total_err2);
+	total_error_1 = _mm_cvtsi128_si32(total_err1);
+
+	/* prefer higher order */
+	if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
+		order = 0;
+	else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
+		order = 1;
+	else if(total_error_2 < flac_min(total_error_3, total_error_4))
+		order = 2;
+	else if(total_error_3 < total_error_4)
+		order = 3;
+	else
+		order = 4;
+
+	/* Estimate the expected number of bits per residual signal sample. */
+	/* 'total_error*' is linearly related to the variance of the residual */
+	/* signal, so we use it directly to compute E(|x|) */
+	FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
+
+	residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
+
+	return order;
+}
+
+FLAC__SSE_TARGET("sse2")
+unsigned FLAC__fixed_compute_best_predictor_wide_intrin_sse2(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1])
+{
+	FLAC__uint64 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4;
+	unsigned i, order;
+
+	__m128i total_err0, total_err1, total_err3;
+
+	{
+		FLAC__int32 itmp;
+		__m128i last_error, zero = _mm_setzero_si128();
+
+		last_error = _mm_cvtsi32_si128(data[-1]);							// 0   0   0   le0
+		itmp = data[-2];
+		last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
+		last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp));	// 0   0   le0 le1
+		itmp -= data[-3];
+		last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
+		last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp));	// 0   le0 le1 le2
+		itmp -= data[-3] - data[-4];
+		last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
+		last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp));	// le0 le1 le2 le3
+
+		total_err0 = total_err1 = total_err3 = _mm_setzero_si128();
+		for(i = 0; i < data_len; i++) {
+			__m128i err0, err1, tmp;
+			err0 = _mm_cvtsi32_si128(data[i]);								// 0   0   0   e0
+			err1 = _mm_shuffle_epi32(err0, _MM_SHUFFLE(0,0,0,0));			// e0  e0  e0  e0
+#if 1 /* OPT_SSE */
+			err1 = _mm_sub_epi32(err1, last_error);
+			last_error = _mm_srli_si128(last_error, 4);						// 0   le0 le1 le2
+			err1 = _mm_sub_epi32(err1, last_error);
+			last_error = _mm_srli_si128(last_error, 4);						// 0   0   le0 le1
+			err1 = _mm_sub_epi32(err1, last_error);
+			last_error = _mm_srli_si128(last_error, 4);						// 0   0   0   le0
+			err1 = _mm_sub_epi32(err1, last_error);							// e1  e2  e3  e4
+#else
+			last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 8));	// le0  le1  le2+le0  le3+le1
+			last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 4));	// le0  le1+le0  le2+le0+le1  le3+le1+le2+le0
+			err1 = _mm_sub_epi32(err1, last_error);							// e1  e2  e3  e4
+#endif
+			tmp = _mm_slli_si128(err0, 12);									// e0   0   0   0
+			last_error = _mm_srli_si128(err1, 4);							//  0  e1  e2  e3
+			last_error = _mm_or_si128(last_error, tmp);						// e0  e1  e2  e3
+
+			tmp = _mm_srai_epi32(err0, 31);
+			err0 = _mm_xor_si128(err0, tmp);
+			err0 = _mm_sub_epi32(err0, tmp);
+			tmp = _mm_srai_epi32(err1, 31);
+			err1 = _mm_xor_si128(err1, tmp);
+			err1 = _mm_sub_epi32(err1, tmp);
+
+			total_err0 = _mm_add_epi64(total_err0, err0);					//        0       te0
+			err0 = _mm_unpacklo_epi32(err1, zero);							//   0  |e3|   0  |e4|
+			err1 = _mm_unpackhi_epi32(err1, zero);							//   0  |e1|   0  |e2|
+			total_err3 = _mm_add_epi64(total_err3, err0);					//       te3      te4
+			total_err1 = _mm_add_epi64(total_err1, err1);					//       te1      te2
+		}
+	}
+
+	m128i_to_i64(total_error_0, total_err0);
+	m128i_to_i64(total_error_4, total_err3);
+	m128i_to_i64(total_error_2, total_err1);
+	total_err3 = _mm_srli_si128(total_err3,	8);							//         0      te3
+	total_err1 = _mm_srli_si128(total_err1, 8);							//         0      te1
+	m128i_to_i64(total_error_3, total_err3);
+	m128i_to_i64(total_error_1, total_err1);
+
+	/* prefer higher order */
+	if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
+		order = 0;
+	else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
+		order = 1;
+	else if(total_error_2 < flac_min(total_error_3, total_error_4))
+		order = 2;
+	else if(total_error_3 < total_error_4)
+		order = 3;
+	else
+		order = 4;
+
+	/* Estimate the expected number of bits per residual signal sample. */
+	/* 'total_error*' is linearly related to the variance of the residual */
+	/* signal, so we use it directly to compute E(|x|) */
+	FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
+
+	residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
+
+	return order;
+}
+
+#endif /* FLAC__SSE2_SUPPORTED */
+#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
+#endif /* FLAC__NO_ASM */
+#endif /* FLAC__INTEGER_ONLY_LIBRARY */

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/fixed_intrin_ssse3.c

@@ -0,0 +1,243 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "private/cpu.h"
+
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+#ifndef FLAC__NO_ASM
+#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
+#include "private/fixed.h"
+#ifdef FLAC__SSSE3_SUPPORTED
+
+#include <tmmintrin.h> /* SSSE3 */
+#include <math.h>
+#include "private/macros.h"
+#include "share/compat.h"
+#include "FLAC/assert.h"
+
+#ifdef FLAC__CPU_IA32
+#define m128i_to_i64(dest, src) _mm_storel_epi64((__m128i*)&dest, src)
+#else
+#define m128i_to_i64(dest, src) dest = _mm_cvtsi128_si64(src)
+#endif
+
+FLAC__SSE_TARGET("ssse3")
+unsigned FLAC__fixed_compute_best_predictor_intrin_ssse3(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1])
+{
+	FLAC__uint32 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4;
+	unsigned i, order;
+
+	__m128i total_err0, total_err1, total_err2;
+
+	{
+		FLAC__int32 itmp;
+		__m128i last_error;
+
+		last_error = _mm_cvtsi32_si128(data[-1]);							// 0   0   0   le0
+		itmp = data[-2];
+		last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
+		last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp));	// 0   0   le0 le1
+		itmp -= data[-3];
+		last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
+		last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp));	// 0   le0 le1 le2
+		itmp -= data[-3] - data[-4];
+		last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
+		last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp));	// le0 le1 le2 le3
+
+		total_err0 = total_err1 = _mm_setzero_si128();
+		for(i = 0; i < data_len; i++) {
+			__m128i err0, err1;
+			err0 = _mm_cvtsi32_si128(data[i]);								// 0   0   0   e0
+			err1 = _mm_shuffle_epi32(err0, _MM_SHUFFLE(0,0,0,0));			// e0  e0  e0  e0
+#if 1 /* OPT_SSE */
+			err1 = _mm_sub_epi32(err1, last_error);
+			last_error = _mm_srli_si128(last_error, 4);						// 0   le0 le1 le2
+			err1 = _mm_sub_epi32(err1, last_error);
+			last_error = _mm_srli_si128(last_error, 4);						// 0   0   le0 le1
+			err1 = _mm_sub_epi32(err1, last_error);
+			last_error = _mm_srli_si128(last_error, 4);						// 0   0   0   le0
+			err1 = _mm_sub_epi32(err1, last_error);							// e1  e2  e3  e4
+#else
+			last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 8));	// le0  le1  le2+le0  le3+le1
+			last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 4));	// le0  le1+le0  le2+le0+le1  le3+le1+le2+le0
+			err1 = _mm_sub_epi32(err1, last_error);							// e1  e2  e3  e4
+#endif
+			last_error = _mm_alignr_epi8(err0, err1, 4);					// e0  e1  e2  e3
+
+			err0 = _mm_abs_epi32(err0);
+			err1 = _mm_abs_epi32(err1);
+
+			total_err0 = _mm_add_epi32(total_err0, err0);					// 0   0   0   te0
+			total_err1 = _mm_add_epi32(total_err1, err1);					// te1 te2 te3 te4
+		}
+	}
+
+	total_error_0 = _mm_cvtsi128_si32(total_err0);
+	total_err2 = total_err1;											// te1  te2  te3  te4
+	total_err1 = _mm_srli_si128(total_err1, 8);							//  0    0   te1  te2
+	total_error_4 = _mm_cvtsi128_si32(total_err2);
+	total_error_2 = _mm_cvtsi128_si32(total_err1);
+	total_err2 = _mm_srli_si128(total_err2,	4);							//  0   te1  te2  te3
+	total_err1 = _mm_srli_si128(total_err1, 4);							//  0    0    0   te1
+	total_error_3 = _mm_cvtsi128_si32(total_err2);
+	total_error_1 = _mm_cvtsi128_si32(total_err1);
+
+	/* prefer higher order */
+	if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
+		order = 0;
+	else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
+		order = 1;
+	else if(total_error_2 < flac_min(total_error_3, total_error_4))
+		order = 2;
+	else if(total_error_3 < total_error_4)
+		order = 3;
+	else
+		order = 4;
+
+	/* Estimate the expected number of bits per residual signal sample. */
+	/* 'total_error*' is linearly related to the variance of the residual */
+	/* signal, so we use it directly to compute E(|x|) */
+	FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
+
+	residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
+
+	return order;
+}
+
+FLAC__SSE_TARGET("ssse3")
+unsigned FLAC__fixed_compute_best_predictor_wide_intrin_ssse3(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1])
+{
+	FLAC__uint64 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4;
+	unsigned i, order;
+
+	__m128i total_err0, total_err1, total_err3;
+
+	{
+		FLAC__int32 itmp;
+		__m128i last_error, zero = _mm_setzero_si128();
+
+		last_error = _mm_cvtsi32_si128(data[-1]);							// 0   0   0   le0
+		itmp = data[-2];
+		last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
+		last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp));	// 0   0   le0 le1
+		itmp -= data[-3];
+		last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
+		last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp));	// 0   le0 le1 le2
+		itmp -= data[-3] - data[-4];
+		last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
+		last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp));	// le0 le1 le2 le3
+
+		total_err0 = total_err1 = total_err3 = _mm_setzero_si128();
+		for(i = 0; i < data_len; i++) {
+			__m128i err0, err1;
+			err0 = _mm_cvtsi32_si128(data[i]);								// 0   0   0   e0
+			err1 = _mm_shuffle_epi32(err0, _MM_SHUFFLE(0,0,0,0));			// e0  e0  e0  e0
+#if 1 /* OPT_SSE */
+			err1 = _mm_sub_epi32(err1, last_error);
+			last_error = _mm_srli_si128(last_error, 4);						// 0   le0 le1 le2
+			err1 = _mm_sub_epi32(err1, last_error);
+			last_error = _mm_srli_si128(last_error, 4);						// 0   0   le0 le1
+			err1 = _mm_sub_epi32(err1, last_error);
+			last_error = _mm_srli_si128(last_error, 4);						// 0   0   0   le0
+			err1 = _mm_sub_epi32(err1, last_error);							// e1  e2  e3  e4
+#else
+			last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 8));	// le0  le1  le2+le0  le3+le1
+			last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 4));	// le0  le1+le0  le2+le0+le1  le3+le1+le2+le0
+			err1 = _mm_sub_epi32(err1, last_error);							// e1  e2  e3  e4
+#endif
+			last_error = _mm_alignr_epi8(err0, err1, 4);					// e0  e1  e2  e3
+
+			err0 = _mm_abs_epi32(err0);
+			err1 = _mm_abs_epi32(err1);										// |e1| |e2| |e3| |e4|
+
+			total_err0 = _mm_add_epi64(total_err0, err0);					//        0       te0
+			err0 = _mm_unpacklo_epi32(err1, zero);							//   0  |e3|   0  |e4|
+			err1 = _mm_unpackhi_epi32(err1, zero);							//   0  |e1|   0  |e2|
+			total_err3 = _mm_add_epi64(total_err3, err0);					//       te3      te4
+			total_err1 = _mm_add_epi64(total_err1, err1);					//       te1      te2
+		}
+	}
+
+	m128i_to_i64(total_error_0, total_err0);
+	m128i_to_i64(total_error_4, total_err3);
+	m128i_to_i64(total_error_2, total_err1);
+	total_err3 = _mm_srli_si128(total_err3,	8);							//         0      te3
+	total_err1 = _mm_srli_si128(total_err1, 8);							//         0      te1
+	m128i_to_i64(total_error_3, total_err3);
+	m128i_to_i64(total_error_1, total_err1);
+
+	/* prefer higher order */
+	if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
+		order = 0;
+	else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
+		order = 1;
+	else if(total_error_2 < flac_min(total_error_3, total_error_4))
+		order = 2;
+	else if(total_error_3 < total_error_4)
+		order = 3;
+	else
+		order = 4;
+
+	/* Estimate the expected number of bits per residual signal sample. */
+	/* 'total_error*' is linearly related to the variance of the residual */
+	/* signal, so we use it directly to compute E(|x|) */
+	FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
+	FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
+
+	residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
+	residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
+
+	return order;
+}
+
+#endif /* FLAC__SSSE3_SUPPORTED */
+#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
+#endif /* FLAC__NO_ASM */
+#endif /* FLAC__INTEGER_ONLY_LIBRARY */

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/flac.pc.in

@@ -0,0 +1,12 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: FLAC
+Description: Free Lossless Audio Codec Library
+Version: @VERSION@
+Requires.private: @OGG_PACKAGE@
+Libs: -L${libdir} -lFLAC
+Libs.private: -lm
+Cflags: -I${includedir}

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/float.c

@@ -0,0 +1,302 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2004-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "FLAC/assert.h"
+#include "share/compat.h"
+#include "private/float.h"
+
+#ifdef FLAC__INTEGER_ONLY_LIBRARY
+
+const FLAC__fixedpoint FLAC__FP_ZERO = 0;
+const FLAC__fixedpoint FLAC__FP_ONE_HALF = 0x00008000;
+const FLAC__fixedpoint FLAC__FP_ONE = 0x00010000;
+const FLAC__fixedpoint FLAC__FP_LN2 = 45426;
+const FLAC__fixedpoint FLAC__FP_E = 178145;
+
+/* Lookup tables for Knuth's logarithm algorithm */
+#define LOG2_LOOKUP_PRECISION 16
+static const FLAC__uint32 log2_lookup[][LOG2_LOOKUP_PRECISION] = {
+	{
+		/*
+		 * 0 fraction bits
+		 */
+		/* undefined */ 0x00000000,
+		/* lg(2/1) = */ 0x00000001,
+		/* lg(4/3) = */ 0x00000000,
+		/* lg(8/7) = */ 0x00000000,
+		/* lg(16/15) = */ 0x00000000,
+		/* lg(32/31) = */ 0x00000000,
+		/* lg(64/63) = */ 0x00000000,
+		/* lg(128/127) = */ 0x00000000,
+		/* lg(256/255) = */ 0x00000000,
+		/* lg(512/511) = */ 0x00000000,
+		/* lg(1024/1023) = */ 0x00000000,
+		/* lg(2048/2047) = */ 0x00000000,
+		/* lg(4096/4095) = */ 0x00000000,
+		/* lg(8192/8191) = */ 0x00000000,
+		/* lg(16384/16383) = */ 0x00000000,
+		/* lg(32768/32767) = */ 0x00000000
+	},
+	{
+		/*
+		 * 4 fraction bits
+		 */
+		/* undefined */ 0x00000000,
+		/* lg(2/1) = */ 0x00000010,
+		/* lg(4/3) = */ 0x00000007,
+		/* lg(8/7) = */ 0x00000003,
+		/* lg(16/15) = */ 0x00000001,
+		/* lg(32/31) = */ 0x00000001,
+		/* lg(64/63) = */ 0x00000000,
+		/* lg(128/127) = */ 0x00000000,
+		/* lg(256/255) = */ 0x00000000,
+		/* lg(512/511) = */ 0x00000000,
+		/* lg(1024/1023) = */ 0x00000000,
+		/* lg(2048/2047) = */ 0x00000000,
+		/* lg(4096/4095) = */ 0x00000000,
+		/* lg(8192/8191) = */ 0x00000000,
+		/* lg(16384/16383) = */ 0x00000000,
+		/* lg(32768/32767) = */ 0x00000000
+	},
+	{
+		/*
+		 * 8 fraction bits
+		 */
+		/* undefined */ 0x00000000,
+		/* lg(2/1) = */ 0x00000100,
+		/* lg(4/3) = */ 0x0000006a,
+		/* lg(8/7) = */ 0x00000031,
+		/* lg(16/15) = */ 0x00000018,
+		/* lg(32/31) = */ 0x0000000c,
+		/* lg(64/63) = */ 0x00000006,
+		/* lg(128/127) = */ 0x00000003,
+		/* lg(256/255) = */ 0x00000001,
+		/* lg(512/511) = */ 0x00000001,
+		/* lg(1024/1023) = */ 0x00000000,
+		/* lg(2048/2047) = */ 0x00000000,
+		/* lg(4096/4095) = */ 0x00000000,
+		/* lg(8192/8191) = */ 0x00000000,
+		/* lg(16384/16383) = */ 0x00000000,
+		/* lg(32768/32767) = */ 0x00000000
+	},
+	{
+		/*
+		 * 12 fraction bits
+		 */
+		/* undefined */ 0x00000000,
+		/* lg(2/1) = */ 0x00001000,
+		/* lg(4/3) = */ 0x000006a4,
+		/* lg(8/7) = */ 0x00000315,
+		/* lg(16/15) = */ 0x0000017d,
+		/* lg(32/31) = */ 0x000000bc,
+		/* lg(64/63) = */ 0x0000005d,
+		/* lg(128/127) = */ 0x0000002e,
+		/* lg(256/255) = */ 0x00000017,
+		/* lg(512/511) = */ 0x0000000c,
+		/* lg(1024/1023) = */ 0x00000006,
+		/* lg(2048/2047) = */ 0x00000003,
+		/* lg(4096/4095) = */ 0x00000001,
+		/* lg(8192/8191) = */ 0x00000001,
+		/* lg(16384/16383) = */ 0x00000000,
+		/* lg(32768/32767) = */ 0x00000000
+	},
+	{
+		/*
+		 * 16 fraction bits
+		 */
+		/* undefined */ 0x00000000,
+		/* lg(2/1) = */ 0x00010000,
+		/* lg(4/3) = */ 0x00006a40,
+		/* lg(8/7) = */ 0x00003151,
+		/* lg(16/15) = */ 0x000017d6,
+		/* lg(32/31) = */ 0x00000bba,
+		/* lg(64/63) = */ 0x000005d1,
+		/* lg(128/127) = */ 0x000002e6,
+		/* lg(256/255) = */ 0x00000172,
+		/* lg(512/511) = */ 0x000000b9,
+		/* lg(1024/1023) = */ 0x0000005c,
+		/* lg(2048/2047) = */ 0x0000002e,
+		/* lg(4096/4095) = */ 0x00000017,
+		/* lg(8192/8191) = */ 0x0000000c,
+		/* lg(16384/16383) = */ 0x00000006,
+		/* lg(32768/32767) = */ 0x00000003
+	},
+	{
+		/*
+		 * 20 fraction bits
+		 */
+		/* undefined */ 0x00000000,
+		/* lg(2/1) = */ 0x00100000,
+		/* lg(4/3) = */ 0x0006a3fe,
+		/* lg(8/7) = */ 0x00031513,
+		/* lg(16/15) = */ 0x00017d60,
+		/* lg(32/31) = */ 0x0000bb9d,
+		/* lg(64/63) = */ 0x00005d10,
+		/* lg(128/127) = */ 0x00002e59,
+		/* lg(256/255) = */ 0x00001721,
+		/* lg(512/511) = */ 0x00000b8e,
+		/* lg(1024/1023) = */ 0x000005c6,
+		/* lg(2048/2047) = */ 0x000002e3,
+		/* lg(4096/4095) = */ 0x00000171,
+		/* lg(8192/8191) = */ 0x000000b9,
+		/* lg(16384/16383) = */ 0x0000005c,
+		/* lg(32768/32767) = */ 0x0000002e
+	},
+	{
+		/*
+		 * 24 fraction bits
+		 */
+		/* undefined */ 0x00000000,
+		/* lg(2/1) = */ 0x01000000,
+		/* lg(4/3) = */ 0x006a3fe6,
+		/* lg(8/7) = */ 0x00315130,
+		/* lg(16/15) = */ 0x0017d605,
+		/* lg(32/31) = */ 0x000bb9ca,
+		/* lg(64/63) = */ 0x0005d0fc,
+		/* lg(128/127) = */ 0x0002e58f,
+		/* lg(256/255) = */ 0x0001720e,
+		/* lg(512/511) = */ 0x0000b8d8,
+		/* lg(1024/1023) = */ 0x00005c61,
+		/* lg(2048/2047) = */ 0x00002e2d,
+		/* lg(4096/4095) = */ 0x00001716,
+		/* lg(8192/8191) = */ 0x00000b8b,
+		/* lg(16384/16383) = */ 0x000005c5,
+		/* lg(32768/32767) = */ 0x000002e3
+	},
+	{
+		/*
+		 * 28 fraction bits
+		 */
+		/* undefined */ 0x00000000,
+		/* lg(2/1) = */ 0x10000000,
+		/* lg(4/3) = */ 0x06a3fe5c,
+		/* lg(8/7) = */ 0x03151301,
+		/* lg(16/15) = */ 0x017d6049,
+		/* lg(32/31) = */ 0x00bb9ca6,
+		/* lg(64/63) = */ 0x005d0fba,
+		/* lg(128/127) = */ 0x002e58f7,
+		/* lg(256/255) = */ 0x001720da,
+		/* lg(512/511) = */ 0x000b8d87,
+		/* lg(1024/1023) = */ 0x0005c60b,
+		/* lg(2048/2047) = */ 0x0002e2d7,
+		/* lg(4096/4095) = */ 0x00017160,
+		/* lg(8192/8191) = */ 0x0000b8ad,
+		/* lg(16384/16383) = */ 0x00005c56,
+		/* lg(32768/32767) = */ 0x00002e2b
+	}
+};
+
+#if 0
+static const FLAC__uint64 log2_lookup_wide[] = {
+	{
+		/*
+		 * 32 fraction bits
+		 */
+		/* undefined */ 0x00000000,
+		/* lg(2/1) = */ FLAC__U64L(0x100000000),
+		/* lg(4/3) = */ FLAC__U64L(0x6a3fe5c6),
+		/* lg(8/7) = */ FLAC__U64L(0x31513015),
+		/* lg(16/15) = */ FLAC__U64L(0x17d60497),
+		/* lg(32/31) = */ FLAC__U64L(0x0bb9ca65),
+		/* lg(64/63) = */ FLAC__U64L(0x05d0fba2),
+		/* lg(128/127) = */ FLAC__U64L(0x02e58f74),
+		/* lg(256/255) = */ FLAC__U64L(0x01720d9c),
+		/* lg(512/511) = */ FLAC__U64L(0x00b8d875),
+		/* lg(1024/1023) = */ FLAC__U64L(0x005c60aa),
+		/* lg(2048/2047) = */ FLAC__U64L(0x002e2d72),
+		/* lg(4096/4095) = */ FLAC__U64L(0x00171600),
+		/* lg(8192/8191) = */ FLAC__U64L(0x000b8ad2),
+		/* lg(16384/16383) = */ FLAC__U64L(0x0005c55d),
+		/* lg(32768/32767) = */ FLAC__U64L(0x0002e2ac)
+	},
+	{
+		/*
+		 * 48 fraction bits
+		 */
+		/* undefined */ 0x00000000,
+		/* lg(2/1) = */ FLAC__U64L(0x1000000000000),
+		/* lg(4/3) = */ FLAC__U64L(0x6a3fe5c60429),
+		/* lg(8/7) = */ FLAC__U64L(0x315130157f7a),
+		/* lg(16/15) = */ FLAC__U64L(0x17d60496cfbb),
+		/* lg(32/31) = */ FLAC__U64L(0xbb9ca64ecac),
+		/* lg(64/63) = */ FLAC__U64L(0x5d0fba187cd),
+		/* lg(128/127) = */ FLAC__U64L(0x2e58f7441ee),
+		/* lg(256/255) = */ FLAC__U64L(0x1720d9c06a8),
+		/* lg(512/511) = */ FLAC__U64L(0xb8d8752173),
+		/* lg(1024/1023) = */ FLAC__U64L(0x5c60aa252e),
+		/* lg(2048/2047) = */ FLAC__U64L(0x2e2d71b0d8),
+		/* lg(4096/4095) = */ FLAC__U64L(0x1716001719),
+		/* lg(8192/8191) = */ FLAC__U64L(0xb8ad1de1b),
+		/* lg(16384/16383) = */ FLAC__U64L(0x5c55d640d),
+		/* lg(32768/32767) = */ FLAC__U64L(0x2e2abcf52)
+	}
+};
+#endif
+
+FLAC__uint32 FLAC__fixedpoint_log2(FLAC__uint32 x, unsigned fracbits, unsigned precision)
+{
+	const FLAC__uint32 ONE = (1u << fracbits);
+	const FLAC__uint32 *table = log2_lookup[fracbits >> 2];
+
+	FLAC__ASSERT(fracbits < 32);
+	FLAC__ASSERT((fracbits & 0x3) == 0);
+
+	if(x < ONE)
+		return 0;
+
+	if(precision > LOG2_LOOKUP_PRECISION)
+		precision = LOG2_LOOKUP_PRECISION;
+
+	/* Knuth's algorithm for computing logarithms, optimized for base-2 with lookup tables */
+	{
+		FLAC__uint32 y = 0;
+		FLAC__uint32 z = x >> 1, k = 1;
+		while (x > ONE && k < precision) {
+			if (x - z >= ONE) {
+				x -= z;
+				z = x >> k;
+				y += table[k];
+			}
+			else {
+				z >>= 1;
+				k++;
+			}
+		}
+		return y;
+	}
+}
+
+#endif /* defined FLAC__INTEGER_ONLY_LIBRARY */

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/format.c

@@ -0,0 +1,592 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h> /* for qsort() */
+#include <string.h> /* for memset() */
+#include "FLAC/assert.h"
+#include "FLAC/format.h"
+#include "share/alloc.h"
+#include "share/compat.h"
+#include "private/format.h"
+#include "private/macros.h"
+
+/* PACKAGE_VERSION should come from configure */
+#ifndef PACKAGE_VERSION
+#define PACKAGE_VERSION	"UNKNOWN"
+#endif
+FLAC_API const char *FLAC__VERSION_STRING = PACKAGE_VERSION;
+
+FLAC_API const char *FLAC__VENDOR_STRING = "reference libFLAC " PACKAGE_VERSION " 20170101";
+
+FLAC_API const FLAC__byte FLAC__STREAM_SYNC_STRING[4] = { 'f','L','a','C' };
+FLAC_API const unsigned FLAC__STREAM_SYNC = 0x664C6143;
+FLAC_API const unsigned FLAC__STREAM_SYNC_LEN = 32; /* bits */
+
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN = 16; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN = 16; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN = 24; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN = 24; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN = 20; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN = 3; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN = 5; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN = 36; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MD5SUM_LEN = 128; /* bits */
+
+FLAC_API const unsigned FLAC__STREAM_METADATA_APPLICATION_ID_LEN = 32; /* bits */
+
+FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN = 64; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN = 64; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN = 16; /* bits */
+
+FLAC_API const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER = FLAC__U64L(0xffffffffffffffff);
+
+FLAC_API const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN = 32; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN = 32; /* bits */
+
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN = 64; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN = 8; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN = 3*8; /* bits */
+
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN = 64; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN = 8; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN = 12*8; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN = 1; /* bit */
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN = 1; /* bit */
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN = 6+13*8; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN = 8; /* bits */
+
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN = 128*8; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN = 64; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN = 1; /* bit */
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN = 7+258*8; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN = 8; /* bits */
+
+FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_TYPE_LEN = 32; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN = 32; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN = 32; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN = 32; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN = 32; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN = 32; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_COLORS_LEN = 32; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN = 32; /* bits */
+
+FLAC_API const unsigned FLAC__STREAM_METADATA_IS_LAST_LEN = 1; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_TYPE_LEN = 7; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_LENGTH_LEN = 24; /* bits */
+
+FLAC_API const unsigned FLAC__FRAME_HEADER_SYNC = 0x3ffe;
+FLAC_API const unsigned FLAC__FRAME_HEADER_SYNC_LEN = 14; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_RESERVED_LEN = 1; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN = 1; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_BLOCK_SIZE_LEN = 4; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_SAMPLE_RATE_LEN = 4; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN = 4; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN = 3; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_ZERO_PAD_LEN = 1; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_CRC_LEN = 8; /* bits */
+
+FLAC_API const unsigned FLAC__FRAME_FOOTER_CRC_LEN = 16; /* bits */
+
+FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_TYPE_LEN = 2; /* bits */
+FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN = 4; /* bits */
+FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN = 4; /* bits */
+FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN = 5; /* bits */
+FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN = 5; /* bits */
+
+FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER = 15; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN)-1 */
+FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER = 31; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN)-1 */
+
+FLAC_API const char * const FLAC__EntropyCodingMethodTypeString[] = {
+	"PARTITIONED_RICE",
+	"PARTITIONED_RICE2"
+};
+
+FLAC_API const unsigned FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN = 4; /* bits */
+FLAC_API const unsigned FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN = 5; /* bits */
+
+FLAC_API const unsigned FLAC__SUBFRAME_ZERO_PAD_LEN = 1; /* bits */
+FLAC_API const unsigned FLAC__SUBFRAME_TYPE_LEN = 6; /* bits */
+FLAC_API const unsigned FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN = 1; /* bits */
+
+FLAC_API const unsigned FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK = 0x00;
+FLAC_API const unsigned FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK = 0x02;
+FLAC_API const unsigned FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK = 0x10;
+FLAC_API const unsigned FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK = 0x40;
+
+FLAC_API const char * const FLAC__SubframeTypeString[] = {
+	"CONSTANT",
+	"VERBATIM",
+	"FIXED",
+	"LPC"
+};
+
+FLAC_API const char * const FLAC__ChannelAssignmentString[] = {
+	"INDEPENDENT",
+	"LEFT_SIDE",
+	"RIGHT_SIDE",
+	"MID_SIDE"
+};
+
+FLAC_API const char * const FLAC__FrameNumberTypeString[] = {
+	"FRAME_NUMBER_TYPE_FRAME_NUMBER",
+	"FRAME_NUMBER_TYPE_SAMPLE_NUMBER"
+};
+
+FLAC_API const char * const FLAC__MetadataTypeString[] = {
+	"STREAMINFO",
+	"PADDING",
+	"APPLICATION",
+	"SEEKTABLE",
+	"VORBIS_COMMENT",
+	"CUESHEET",
+	"PICTURE"
+};
+
+FLAC_API const char * const FLAC__StreamMetadata_Picture_TypeString[] = {
+	"Other",
+	"32x32 pixels 'file icon' (PNG only)",
+	"Other file icon",
+	"Cover (front)",
+	"Cover (back)",
+	"Leaflet page",
+	"Media (e.g. label side of CD)",
+	"Lead artist/lead performer/soloist",
+	"Artist/performer",
+	"Conductor",
+	"Band/Orchestra",
+	"Composer",
+	"Lyricist/text writer",
+	"Recording Location",
+	"During recording",
+	"During performance",
+	"Movie/video screen capture",
+	"A bright coloured fish",
+	"Illustration",
+	"Band/artist logotype",
+	"Publisher/Studio logotype"
+};
+
+FLAC_API FLAC__bool FLAC__format_sample_rate_is_valid(unsigned sample_rate)
+{
+	if(sample_rate == 0 || sample_rate > FLAC__MAX_SAMPLE_RATE) {
+		return false;
+	}
+	else
+		return true;
+}
+
+FLAC_API FLAC__bool FLAC__format_blocksize_is_subset(unsigned blocksize, unsigned sample_rate)
+{
+	if(blocksize > 16384)
+		return false;
+	else if(sample_rate <= 48000 && blocksize > 4608)
+		return false;
+	else
+		return true;
+}
+
+FLAC_API FLAC__bool FLAC__format_sample_rate_is_subset(unsigned sample_rate)
+{
+	if(
+		!FLAC__format_sample_rate_is_valid(sample_rate) ||
+		(
+			sample_rate >= (1u << 16) &&
+			!(sample_rate % 1000 == 0 || sample_rate % 10 == 0)
+		)
+	) {
+		return false;
+	}
+	else
+		return true;
+}
+
+/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */
+FLAC_API FLAC__bool FLAC__format_seektable_is_legal(const FLAC__StreamMetadata_SeekTable *seek_table)
+{
+	unsigned i;
+	FLAC__uint64 prev_sample_number = 0;
+	FLAC__bool got_prev = false;
+
+	FLAC__ASSERT(0 != seek_table);
+
+	for(i = 0; i < seek_table->num_points; i++) {
+		if(got_prev) {
+			if(
+				seek_table->points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER &&
+				seek_table->points[i].sample_number <= prev_sample_number
+			)
+				return false;
+		}
+		prev_sample_number = seek_table->points[i].sample_number;
+		got_prev = true;
+	}
+
+	return true;
+}
+
+/* used as the sort predicate for qsort() */
+static int seekpoint_compare_(const FLAC__StreamMetadata_SeekPoint *l, const FLAC__StreamMetadata_SeekPoint *r)
+{
+	/* we don't just 'return l->sample_number - r->sample_number' since the result (FLAC__int64) might overflow an 'int' */
+	if(l->sample_number == r->sample_number)
+		return 0;
+	else if(l->sample_number < r->sample_number)
+		return -1;
+	else
+		return 1;
+}
+
+/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */
+FLAC_API unsigned FLAC__format_seektable_sort(FLAC__StreamMetadata_SeekTable *seek_table)
+{
+	unsigned i, j;
+	FLAC__bool first;
+
+	FLAC__ASSERT(0 != seek_table);
+
+	if (seek_table->num_points == 0)
+		return 0;
+
+	/* sort the seekpoints */
+	qsort(seek_table->points, seek_table->num_points, sizeof(FLAC__StreamMetadata_SeekPoint), (int (*)(const void *, const void *))seekpoint_compare_);
+
+	/* uniquify the seekpoints */
+	first = true;
+	for(i = j = 0; i < seek_table->num_points; i++) {
+		if(seek_table->points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER) {
+			if(!first) {
+				if(seek_table->points[i].sample_number == seek_table->points[j-1].sample_number)
+					continue;
+			}
+		}
+		first = false;
+		seek_table->points[j++] = seek_table->points[i];
+	}
+
+	for(i = j; i < seek_table->num_points; i++) {
+		seek_table->points[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
+		seek_table->points[i].stream_offset = 0;
+		seek_table->points[i].frame_samples = 0;
+	}
+
+	return j;
+}
+
+/*
+ * also disallows non-shortest-form encodings, c.f.
+ *   http://www.unicode.org/versions/corrigendum1.html
+ * and a more clear explanation at the end of this section:
+ *   http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+ */
+static unsigned utf8len_(const FLAC__byte *utf8)
+{
+	FLAC__ASSERT(0 != utf8);
+	if ((utf8[0] & 0x80) == 0) {
+		return 1;
+	}
+	else if ((utf8[0] & 0xE0) == 0xC0 && (utf8[1] & 0xC0) == 0x80) {
+		if ((utf8[0] & 0xFE) == 0xC0) /* overlong sequence check */
+			return 0;
+		return 2;
+	}
+	else if ((utf8[0] & 0xF0) == 0xE0 && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80) {
+		if (utf8[0] == 0xE0 && (utf8[1] & 0xE0) == 0x80) /* overlong sequence check */
+			return 0;
+		/* illegal surrogates check (U+D800...U+DFFF and U+FFFE...U+FFFF) */
+		if (utf8[0] == 0xED && (utf8[1] & 0xE0) == 0xA0) /* D800-DFFF */
+			return 0;
+		if (utf8[0] == 0xEF && utf8[1] == 0xBF && (utf8[2] & 0xFE) == 0xBE) /* FFFE-FFFF */
+			return 0;
+		return 3;
+	}
+	else if ((utf8[0] & 0xF8) == 0xF0 && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80 && (utf8[3] & 0xC0) == 0x80) {
+		if (utf8[0] == 0xF0 && (utf8[1] & 0xF0) == 0x80) /* overlong sequence check */
+			return 0;
+		return 4;
+	}
+	else if ((utf8[0] & 0xFC) == 0xF8 && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80 && (utf8[3] & 0xC0) == 0x80 && (utf8[4] & 0xC0) == 0x80) {
+		if (utf8[0] == 0xF8 && (utf8[1] & 0xF8) == 0x80) /* overlong sequence check */
+			return 0;
+		return 5;
+	}
+	else if ((utf8[0] & 0xFE) == 0xFC && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80 && (utf8[3] & 0xC0) == 0x80 && (utf8[4] & 0xC0) == 0x80 && (utf8[5] & 0xC0) == 0x80) {
+		if (utf8[0] == 0xFC && (utf8[1] & 0xFC) == 0x80) /* overlong sequence check */
+			return 0;
+		return 6;
+	}
+	else {
+		return 0;
+	}
+}
+
+FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_name_is_legal(const char *name)
+{
+	char c;
+	for(c = *name; c; c = *(++name))
+		if(c < 0x20 || c == 0x3d || c > 0x7d)
+			return false;
+	return true;
+}
+
+FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_value_is_legal(const FLAC__byte *value, unsigned length)
+{
+	if(length == (unsigned)(-1)) {
+		while(*value) {
+			unsigned n = utf8len_(value);
+			if(n == 0)
+				return false;
+			value += n;
+		}
+	}
+	else {
+		const FLAC__byte *end = value + length;
+		while(value < end) {
+			unsigned n = utf8len_(value);
+			if(n == 0)
+				return false;
+			value += n;
+		}
+		if(value != end)
+			return false;
+	}
+	return true;
+}
+
+FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_is_legal(const FLAC__byte *entry, unsigned length)
+{
+	const FLAC__byte *s, *end;
+
+	for(s = entry, end = s + length; s < end && *s != '='; s++) {
+		if(*s < 0x20 || *s > 0x7D)
+			return false;
+	}
+	if(s == end)
+		return false;
+
+	s++; /* skip '=' */
+
+	while(s < end) {
+		unsigned n = utf8len_(s);
+		if(n == 0)
+			return false;
+		s += n;
+	}
+	if(s != end)
+		return false;
+
+	return true;
+}
+
+/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */
+FLAC_API FLAC__bool FLAC__format_cuesheet_is_legal(const FLAC__StreamMetadata_CueSheet *cue_sheet, FLAC__bool check_cd_da_subset, const char **violation)
+{
+	unsigned i, j;
+
+	if(check_cd_da_subset) {
+		if(cue_sheet->lead_in < 2 * 44100) {
+			if(violation) *violation = "CD-DA cue sheet must have a lead-in length of at least 2 seconds";
+			return false;
+		}
+		if(cue_sheet->lead_in % 588 != 0) {
+			if(violation) *violation = "CD-DA cue sheet lead-in length must be evenly divisible by 588 samples";
+			return false;
+		}
+	}
+
+	if(cue_sheet->num_tracks == 0) {
+		if(violation) *violation = "cue sheet must have at least one track (the lead-out)";
+		return false;
+	}
+
+	if(check_cd_da_subset && cue_sheet->tracks[cue_sheet->num_tracks-1].number != 170) {
+		if(violation) *violation = "CD-DA cue sheet must have a lead-out track number 170 (0xAA)";
+		return false;
+	}
+
+	for(i = 0; i < cue_sheet->num_tracks; i++) {
+		if(cue_sheet->tracks[i].number == 0) {
+			if(violation) *violation = "cue sheet may not have a track number 0";
+			return false;
+		}
+
+		if(check_cd_da_subset) {
+			if(!((cue_sheet->tracks[i].number >= 1 && cue_sheet->tracks[i].number <= 99) || cue_sheet->tracks[i].number == 170)) {
+				if(violation) *violation = "CD-DA cue sheet track number must be 1-99 or 170";
+				return false;
+			}
+		}
+
+		if(check_cd_da_subset && cue_sheet->tracks[i].offset % 588 != 0) {
+			if(violation) {
+				if(i == cue_sheet->num_tracks-1) /* the lead-out track... */
+					*violation = "CD-DA cue sheet lead-out offset must be evenly divisible by 588 samples";
+				else
+					*violation = "CD-DA cue sheet track offset must be evenly divisible by 588 samples";
+			}
+			return false;
+		}
+
+		if(i < cue_sheet->num_tracks - 1) {
+			if(cue_sheet->tracks[i].num_indices == 0) {
+				if(violation) *violation = "cue sheet track must have at least one index point";
+				return false;
+			}
+
+			if(cue_sheet->tracks[i].indices[0].number > 1) {
+				if(violation) *violation = "cue sheet track's first index number must be 0 or 1";
+				return false;
+			}
+		}
+
+		for(j = 0; j < cue_sheet->tracks[i].num_indices; j++) {
+			if(check_cd_da_subset && cue_sheet->tracks[i].indices[j].offset % 588 != 0) {
+				if(violation) *violation = "CD-DA cue sheet track index offset must be evenly divisible by 588 samples";
+				return false;
+			}
+
+			if(j > 0) {
+				if(cue_sheet->tracks[i].indices[j].number != cue_sheet->tracks[i].indices[j-1].number + 1) {
+					if(violation) *violation = "cue sheet track index numbers must increase by 1";
+					return false;
+				}
+			}
+		}
+	}
+
+	return true;
+}
+
+/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */
+FLAC_API FLAC__bool FLAC__format_picture_is_legal(const FLAC__StreamMetadata_Picture *picture, const char **violation)
+{
+	char *p;
+	FLAC__byte *b;
+
+	for(p = picture->mime_type; *p; p++) {
+		if(*p < 0x20 || *p > 0x7e) {
+			if(violation) *violation = "MIME type string must contain only printable ASCII characters (0x20-0x7e)";
+			return false;
+		}
+	}
+
+	for(b = picture->description; *b; ) {
+		unsigned n = utf8len_(b);
+		if(n == 0) {
+			if(violation) *violation = "description string must be valid UTF-8";
+			return false;
+		}
+		b += n;
+	}
+
+	return true;
+}
+
+/*
+ * These routines are private to libFLAC
+ */
+unsigned FLAC__format_get_max_rice_partition_order(unsigned blocksize, unsigned predictor_order)
+{
+	return
+		FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(
+			FLAC__format_get_max_rice_partition_order_from_blocksize(blocksize),
+			blocksize,
+			predictor_order
+		);
+}
+
+unsigned FLAC__format_get_max_rice_partition_order_from_blocksize(unsigned blocksize)
+{
+	unsigned max_rice_partition_order = 0;
+	while(!(blocksize & 1)) {
+		max_rice_partition_order++;
+		blocksize >>= 1;
+	}
+	return flac_min(FLAC__MAX_RICE_PARTITION_ORDER, max_rice_partition_order);
+}
+
+unsigned FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(unsigned limit, unsigned blocksize, unsigned predictor_order)
+{
+	unsigned max_rice_partition_order = limit;
+
+	while(max_rice_partition_order > 0 && (blocksize >> max_rice_partition_order) <= predictor_order)
+		max_rice_partition_order--;
+
+	FLAC__ASSERT(
+		(max_rice_partition_order == 0 && blocksize >= predictor_order) ||
+		(max_rice_partition_order > 0 && blocksize >> max_rice_partition_order > predictor_order)
+	);
+
+	return max_rice_partition_order;
+}
+
+void FLAC__format_entropy_coding_method_partitioned_rice_contents_init(FLAC__EntropyCodingMethod_PartitionedRiceContents *object)
+{
+	FLAC__ASSERT(0 != object);
+
+	object->parameters = 0;
+	object->raw_bits = 0;
+	object->capacity_by_order = 0;
+}
+
+void FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(FLAC__EntropyCodingMethod_PartitionedRiceContents *object)
+{
+	FLAC__ASSERT(0 != object);
+
+	if(0 != object->parameters)
+		free(object->parameters);
+	if(0 != object->raw_bits)
+		free(object->raw_bits);
+	FLAC__format_entropy_coding_method_partitioned_rice_contents_init(object);
+}
+
+FLAC__bool FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(FLAC__EntropyCodingMethod_PartitionedRiceContents *object, unsigned max_partition_order)
+{
+	FLAC__ASSERT(0 != object);
+
+	FLAC__ASSERT(object->capacity_by_order > 0 || (0 == object->parameters && 0 == object->raw_bits));
+
+	if(object->capacity_by_order < max_partition_order) {
+		if(0 == (object->parameters = safe_realloc_(object->parameters, sizeof(unsigned)*(1 << max_partition_order))))
+			return false;
+		if(0 == (object->raw_bits = safe_realloc_(object->raw_bits, sizeof(unsigned)*(1 << max_partition_order))))
+			return false;
+		memset(object->raw_bits, 0, sizeof(unsigned)*(1 << max_partition_order));
+		object->capacity_by_order = max_partition_order;
+	}
+
+	return true;
+}

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/ia32/Makefile.am

@@ -0,0 +1,44 @@
+#  libFLAC - Free Lossless Audio Codec library
+#  Copyright (C) 2001-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#
+#  - Redistributions of source code must retain the above copyright
+#  notice, this list of conditions and the following disclaimer.
+#
+#  - Redistributions in binary form must reproduce the above copyright
+#  notice, this list of conditions and the following disclaimer in the
+#  documentation and/or other materials provided with the distribution.
+#
+#  - Neither the name of the Xiph.org Foundation nor the names of its
+#  contributors may be used to endorse or promote products derived from
+#  this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+#  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+SUFFIXES = .nasm .lo
+
+STRIP_NON_ASM = sh $(top_srcdir)/strip_non_asm_libtool_args.sh
+AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include
+.nasm.lo:
+	$(LIBTOOL) --tag=CC --mode=compile $(STRIP_NON_ASM) $(NASM) -f $(OBJ_FORMAT) -d OBJ_FORMAT_$(OBJ_FORMAT) -i$(srcdir)/ $< -o $@
+
+noinst_LTLIBRARIES = libFLAC-asm.la
+libFLAC_asm_la_SOURCES = \
+	cpu_asm.nasm \
+	fixed_asm.nasm \
+	lpc_asm.nasm \
+	nasm.h

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/ia32/Makefile.in

@@ -0,0 +1,640 @@
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+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+#  libFLAC - Free Lossless Audio Codec library
+#  Copyright (C) 2001-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
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+#
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+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
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+info-am:
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+install-data-am:
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+install-dvi: install-dvi-am
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+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
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+install-info: install-info-am
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+install-info-am:
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+install-ps: install-ps-am
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+install-ps-am:
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+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
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+pdf: pdf-am
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+pdf-am:
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+ps: ps-am
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+ps-am:
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+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstLTLIBRARIES cscopelist-am ctags \
+	ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+.nasm.lo:
+	$(LIBTOOL) --tag=CC --mode=compile $(STRIP_NON_ASM) $(NASM) -f $(OBJ_FORMAT) -d OBJ_FORMAT_$(OBJ_FORMAT) -i$(srcdir)/ $< -o $@
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/ia32/cpu_asm.nasm

@@ -0,0 +1,99 @@
+;  vim:filetype=nasm ts=8
+
+;  libFLAC - Free Lossless Audio Codec library
+;  Copyright (C) 2001-2009  Josh Coalson
+;  Copyright (C) 2011-2016  Xiph.Org Foundation
+;
+;  Redistribution and use in source and binary forms, with or without
+;  modification, are permitted provided that the following conditions
+;  are met:
+;
+;  - Redistributions of source code must retain the above copyright
+;  notice, this list of conditions and the following disclaimer.
+;
+;  - Redistributions in binary form must reproduce the above copyright
+;  notice, this list of conditions and the following disclaimer in the
+;  documentation and/or other materials provided with the distribution.
+;
+;  - Neither the name of the Xiph.org Foundation nor the names of its
+;  contributors may be used to endorse or promote products derived from
+;  this software without specific prior written permission.
+;
+;  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+;  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+;  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+;  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+;  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+;  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+;  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+;  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+;  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+;  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+;  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+%include "nasm.h"
+
+	data_section
+
+cglobal FLAC__cpu_have_cpuid_asm_ia32
+cglobal FLAC__cpu_info_asm_ia32
+
+	code_section
+
+; **********************************************************************
+;
+; FLAC__uint32 FLAC__cpu_have_cpuid_asm_ia32()
+;
+
+cident FLAC__cpu_have_cpuid_asm_ia32
+	pushfd
+	pop	eax
+	mov	edx, eax
+	xor	eax, 0x00200000
+	push	eax
+	popfd
+	pushfd
+	pop	eax
+	xor	eax, edx
+	and	eax, 0x00200000
+	shr	eax, 0x15
+	push	edx
+	popfd
+	ret
+
+; **********************************************************************
+;
+; void FLAC__cpu_info_asm_ia32(FLAC__uint32 *flags_edx, FLAC__uint32 *flags_ecx)
+;
+
+cident FLAC__cpu_info_asm_ia32
+	;[esp + 8] == flags_edx
+	;[esp + 12] == flags_ecx
+
+	push	ebx
+	call	FLAC__cpu_have_cpuid_asm_ia32
+	test	eax, eax
+	jz	.no_cpuid
+	mov	eax, 0
+	cpuid
+	cmp	eax, 1
+	jb	.no_cpuid
+	xor	ecx, ecx
+	mov	eax, 1
+	cpuid
+	mov	ebx, [esp + 8]
+	mov	[ebx], edx
+	mov	ebx, [esp + 12]
+	mov	[ebx], ecx
+	jmp	.end
+.no_cpuid:
+	xor	eax, eax
+	mov	ebx, [esp + 8]
+	mov	[ebx], eax
+	mov	ebx, [esp + 12]
+	mov	[ebx], eax
+.end:
+	pop	ebx
+	ret
+
+; end

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/ia32/fixed_asm.nasm

@@ -0,0 +1,309 @@
+;  vim:filetype=nasm ts=8
+
+;  libFLAC - Free Lossless Audio Codec library
+;  Copyright (C) 2001-2009  Josh Coalson
+;  Copyright (C) 2011-2016  Xiph.Org Foundation
+;
+;  Redistribution and use in source and binary forms, with or without
+;  modification, are permitted provided that the following conditions
+;  are met:
+;
+;  - Redistributions of source code must retain the above copyright
+;  notice, this list of conditions and the following disclaimer.
+;
+;  - Redistributions in binary form must reproduce the above copyright
+;  notice, this list of conditions and the following disclaimer in the
+;  documentation and/or other materials provided with the distribution.
+;
+;  - Neither the name of the Xiph.org Foundation nor the names of its
+;  contributors may be used to endorse or promote products derived from
+;  this software without specific prior written permission.
+;
+;  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+;  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+;  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+;  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+;  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+;  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+;  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+;  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+;  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+;  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+;  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+%include "nasm.h"
+
+	data_section
+
+cglobal FLAC__fixed_compute_best_predictor_asm_ia32_mmx_cmov
+
+	code_section
+
+; **********************************************************************
+;
+; unsigned FLAC__fixed_compute_best_predictor(const FLAC__int32 *data, unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
+; {
+; 	FLAC__int32 last_error_0 = data[-1];
+; 	FLAC__int32 last_error_1 = data[-1] - data[-2];
+; 	FLAC__int32 last_error_2 = last_error_1 - (data[-2] - data[-3]);
+; 	FLAC__int32 last_error_3 = last_error_2 - (data[-2] - 2*data[-3] + data[-4]);
+; 	FLAC__int32 error, save;
+; 	FLAC__uint32 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0;
+; 	unsigned i, order;
+;
+; 	for(i = 0; i < data_len; i++) {
+; 		error  = data[i]     ; total_error_0 += local_abs(error);                      save = error;
+; 		error -= last_error_0; total_error_1 += local_abs(error); last_error_0 = save; save = error;
+; 		error -= last_error_1; total_error_2 += local_abs(error); last_error_1 = save; save = error;
+; 		error -= last_error_2; total_error_3 += local_abs(error); last_error_2 = save; save = error;
+; 		error -= last_error_3; total_error_4 += local_abs(error); last_error_3 = save;
+; 	}
+;
+; 	if(total_error_0 < min(min(min(total_error_1, total_error_2), total_error_3), total_error_4))
+; 		order = 0;
+; 	else if(total_error_1 < min(min(total_error_2, total_error_3), total_error_4))
+; 		order = 1;
+; 	else if(total_error_2 < min(total_error_3, total_error_4))
+; 		order = 2;
+; 	else if(total_error_3 < total_error_4)
+; 		order = 3;
+; 	else
+; 		order = 4;
+;
+; 	residual_bits_per_sample[0] = (float)((data_len > 0 && total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
+; 	residual_bits_per_sample[1] = (float)((data_len > 0 && total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
+; 	residual_bits_per_sample[2] = (float)((data_len > 0 && total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
+; 	residual_bits_per_sample[3] = (float)((data_len > 0 && total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
+; 	residual_bits_per_sample[4] = (float)((data_len > 0 && total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
+;
+; 	return order;
+; }
+	ALIGN 16
+cident FLAC__fixed_compute_best_predictor_asm_ia32_mmx_cmov
+
+	; esp + 36 == data[]
+	; esp + 40 == data_len
+	; esp + 44 == residual_bits_per_sample[]
+
+	push	ebp
+	push	ebx
+	push	esi
+	push	edi
+	sub	esp, byte 16
+	; qword [esp] == temp space for loading FLAC__uint64s to FPU regs
+
+	; ebx == &data[i]
+	; ecx == loop counter (i)
+	; ebp == order
+	; mm0 == total_error_1:total_error_0
+	; mm1 == total_error_2:total_error_3
+	; mm2 == :total_error_4
+	; mm3 == last_error_1:last_error_0
+	; mm4 == last_error_2:last_error_3
+
+	mov	ecx, [esp + 40]			; ecx = data_len
+	test	ecx, ecx
+	jz	near .data_len_is_0
+
+	mov	ebx, [esp + 36]			; ebx = data[]
+	movd	mm3, [ebx - 4]			; mm3 = 0:last_error_0
+	movd	mm2, [ebx - 8]			; mm2 = 0:data[-2]
+	movd	mm1, [ebx - 12]			; mm1 = 0:data[-3]
+	movd	mm0, [ebx - 16]			; mm0 = 0:data[-4]
+	movq	mm5, mm3			; mm5 = 0:last_error_0
+	psubd	mm5, mm2			; mm5 = 0:last_error_1
+	punpckldq	mm3, mm5		; mm3 = last_error_1:last_error_0
+	psubd	mm2, mm1			; mm2 = 0:data[-2] - data[-3]
+	psubd	mm5, mm2			; mm5 = 0:last_error_2
+	movq	mm4, mm5			; mm4 = 0:last_error_2
+	psubd	mm4, mm2			; mm4 = 0:last_error_2 - (data[-2] - data[-3])
+	paddd	mm4, mm1			; mm4 = 0:last_error_2 - (data[-2] - 2 * data[-3])
+	psubd	mm4, mm0			; mm4 = 0:last_error_3
+	punpckldq	mm4, mm5		; mm4 = last_error_2:last_error_3
+	pxor	mm0, mm0			; mm0 = total_error_1:total_error_0
+	pxor	mm1, mm1			; mm1 = total_error_2:total_error_3
+	pxor	mm2, mm2			; mm2 = 0:total_error_4
+
+	ALIGN 16
+.loop:
+	movd	mm7, [ebx]			; mm7 = 0:error_0
+	add	ebx, byte 4
+	movq	mm6, mm7			; mm6 = 0:error_0
+	psubd	mm7, mm3			; mm7 = :error_1
+	punpckldq	mm6, mm7		; mm6 = error_1:error_0
+	movq	mm5, mm6			; mm5 = error_1:error_0
+	movq	mm7, mm6			; mm7 = error_1:error_0
+	psubd	mm5, mm3			; mm5 = error_2:
+	movq	mm3, mm6			; mm3 = error_1:error_0
+	psrad	mm6, 31
+	pxor	mm7, mm6
+	psubd	mm7, mm6			; mm7 = abs(error_1):abs(error_0)
+	paddd	mm0, mm7			; mm0 = total_error_1:total_error_0
+	movq	mm6, mm5			; mm6 = error_2:
+	psubd	mm5, mm4			; mm5 = error_3:
+	punpckhdq	mm5, mm6		; mm5 = error_2:error_3
+	movq	mm7, mm5			; mm7 = error_2:error_3
+	movq	mm6, mm5			; mm6 = error_2:error_3
+	psubd	mm5, mm4			; mm5 = :error_4
+	movq	mm4, mm6			; mm4 = error_2:error_3
+	psrad	mm6, 31
+	pxor	mm7, mm6
+	psubd	mm7, mm6			; mm7 = abs(error_2):abs(error_3)
+	paddd	mm1, mm7			; mm1 = total_error_2:total_error_3
+	movq	mm6, mm5			; mm6 = :error_4
+	psrad	mm5, 31
+	pxor	mm6, mm5
+	psubd	mm6, mm5			; mm6 = :abs(error_4)
+	paddd	mm2, mm6			; mm2 = :total_error_4
+
+	dec	ecx
+	jnz	short .loop
+
+; 	if(total_error_0 < min(min(min(total_error_1, total_error_2), total_error_3), total_error_4))
+; 		order = 0;
+; 	else if(total_error_1 < min(min(total_error_2, total_error_3), total_error_4))
+; 		order = 1;
+; 	else if(total_error_2 < min(total_error_3, total_error_4))
+; 		order = 2;
+; 	else if(total_error_3 < total_error_4)
+; 		order = 3;
+; 	else
+; 		order = 4;
+	movq	mm3, mm0			; mm3 = total_error_1:total_error_0
+	movd	edi, mm2			; edi = total_error_4
+	movd	esi, mm1			; esi = total_error_3
+	movd	eax, mm0			; eax = total_error_0
+	punpckhdq	mm1, mm1		; mm1 = total_error_2:total_error_2
+	punpckhdq	mm3, mm3		; mm3 = total_error_1:total_error_1
+	movd	edx, mm1			; edx = total_error_2
+	movd	ecx, mm3			; ecx = total_error_1
+
+	xor	ebx, ebx
+	xor	ebp, ebp
+	inc	ebx
+	cmp	ecx, eax
+	cmovb	eax, ecx			; eax = min(total_error_0, total_error_1)
+	cmovbe	ebp, ebx
+	inc	ebx
+	cmp	edx, eax
+	cmovb	eax, edx			; eax = min(total_error_0, total_error_1, total_error_2)
+	cmovbe	ebp, ebx
+	inc	ebx
+	cmp	esi, eax
+	cmovb	eax, esi			; eax = min(total_error_0, total_error_1, total_error_2, total_error_3)
+	cmovbe	ebp, ebx
+	inc	ebx
+	cmp	edi, eax
+	cmovb	eax, edi			; eax = min(total_error_0, total_error_1, total_error_2, total_error_3, total_error_4)
+	cmovbe	ebp, ebx
+	movd	ebx, mm0			; ebx = total_error_0
+	emms
+
+	; 	residual_bits_per_sample[0] = (float)((data_len > 0 && total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
+	; 	residual_bits_per_sample[1] = (float)((data_len > 0 && total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
+	; 	residual_bits_per_sample[2] = (float)((data_len > 0 && total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
+	; 	residual_bits_per_sample[3] = (float)((data_len > 0 && total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
+	; 	residual_bits_per_sample[4] = (float)((data_len > 0 && total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
+	xor	eax, eax
+	fild	dword [esp + 40]		; ST = data_len (NOTE: assumes data_len is <2gigs)
+.rbps_0:
+	test	ebx, ebx
+	jz	.total_error_0_is_0
+	fld1					; ST = 1.0 data_len
+	mov	[esp], ebx
+	mov	[esp + 4], eax			; [esp] = (FLAC__uint64)total_error_0
+	mov	ebx, [esp + 44]
+	fild	qword [esp]			; ST = total_error_0 1.0 data_len
+	fdiv	st2				; ST = total_error_0/data_len 1.0 data_len
+	fldln2					; ST = ln2 total_error_0/data_len 1.0 data_len
+	fmulp	st1				; ST = ln2*total_error_0/data_len 1.0 data_len
+	fyl2x					; ST = log2(ln2*total_error_0/data_len) data_len
+	fstp	dword [ebx]			; residual_bits_per_sample[0] = log2(ln2*total_error_0/data_len)   ST = data_len
+	jmp	short .rbps_1
+.total_error_0_is_0:
+	mov	ebx, [esp + 44]
+	mov	[ebx], eax			; residual_bits_per_sample[0] = 0.0
+.rbps_1:
+	test	ecx, ecx
+	jz	.total_error_1_is_0
+	fld1					; ST = 1.0 data_len
+	mov	[esp], ecx
+	mov	[esp + 4], eax			; [esp] = (FLAC__uint64)total_error_1
+	fild	qword [esp]			; ST = total_error_1 1.0 data_len
+	fdiv	st2				; ST = total_error_1/data_len 1.0 data_len
+	fldln2					; ST = ln2 total_error_1/data_len 1.0 data_len
+	fmulp	st1				; ST = ln2*total_error_1/data_len 1.0 data_len
+	fyl2x					; ST = log2(ln2*total_error_1/data_len) data_len
+	fstp	dword [ebx + 4]			; residual_bits_per_sample[1] = log2(ln2*total_error_1/data_len)   ST = data_len
+	jmp	short .rbps_2
+.total_error_1_is_0:
+	mov	[ebx + 4], eax			; residual_bits_per_sample[1] = 0.0
+.rbps_2:
+	test	edx, edx
+	jz	.total_error_2_is_0
+	fld1					; ST = 1.0 data_len
+	mov	[esp], edx
+	mov	[esp + 4], eax			; [esp] = (FLAC__uint64)total_error_2
+	fild	qword [esp]			; ST = total_error_2 1.0 data_len
+	fdiv	st2				; ST = total_error_2/data_len 1.0 data_len
+	fldln2					; ST = ln2 total_error_2/data_len 1.0 data_len
+	fmulp	st1				; ST = ln2*total_error_2/data_len 1.0 data_len
+	fyl2x					; ST = log2(ln2*total_error_2/data_len) data_len
+	fstp	dword [ebx + 8]			; residual_bits_per_sample[2] = log2(ln2*total_error_2/data_len)   ST = data_len
+	jmp	short .rbps_3
+.total_error_2_is_0:
+	mov	[ebx + 8], eax			; residual_bits_per_sample[2] = 0.0
+.rbps_3:
+	test	esi, esi
+	jz	.total_error_3_is_0
+	fld1					; ST = 1.0 data_len
+	mov	[esp], esi
+	mov	[esp + 4], eax			; [esp] = (FLAC__uint64)total_error_3
+	fild	qword [esp]			; ST = total_error_3 1.0 data_len
+	fdiv	st2				; ST = total_error_3/data_len 1.0 data_len
+	fldln2					; ST = ln2 total_error_3/data_len 1.0 data_len
+	fmulp	st1				; ST = ln2*total_error_3/data_len 1.0 data_len
+	fyl2x					; ST = log2(ln2*total_error_3/data_len) data_len
+	fstp	dword [ebx + 12]		; residual_bits_per_sample[3] = log2(ln2*total_error_3/data_len)   ST = data_len
+	jmp	short .rbps_4
+.total_error_3_is_0:
+	mov	[ebx + 12], eax			; residual_bits_per_sample[3] = 0.0
+.rbps_4:
+	test	edi, edi
+	jz	.total_error_4_is_0
+	fld1					; ST = 1.0 data_len
+	mov	[esp], edi
+	mov	[esp + 4], eax			; [esp] = (FLAC__uint64)total_error_4
+	fild	qword [esp]			; ST = total_error_4 1.0 data_len
+	fdiv	st2				; ST = total_error_4/data_len 1.0 data_len
+	fldln2					; ST = ln2 total_error_4/data_len 1.0 data_len
+	fmulp	st1				; ST = ln2*total_error_4/data_len 1.0 data_len
+	fyl2x					; ST = log2(ln2*total_error_4/data_len) data_len
+	fstp	dword [ebx + 16]		; residual_bits_per_sample[4] = log2(ln2*total_error_4/data_len)   ST = data_len
+	jmp	short .rbps_end
+.total_error_4_is_0:
+	mov	[ebx + 16], eax			; residual_bits_per_sample[4] = 0.0
+.rbps_end:
+	fstp	st0				; ST = [empty]
+	jmp	short .end
+.data_len_is_0:
+	; data_len == 0, so residual_bits_per_sample[*] = 0.0
+	xor	ebp, ebp
+	mov	edi, [esp + 44]
+	mov	[edi], ebp
+	mov	[edi + 4], ebp
+	mov	[edi + 8], ebp
+	mov	[edi + 12], ebp
+	mov	[edi + 16], ebp
+	add	ebp, byte 4			; order = 4
+
+.end:
+	mov	eax, ebp			; return order
+	add	esp, byte 16
+	pop	edi
+	pop	esi
+	pop	ebx
+	pop	ebp
+	ret
+
+; end

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/ia32/nasm.h

@@ -0,0 +1,90 @@
+;  libFLAC - Free Lossless Audio Codec library
+;  Copyright (C) 2001-2009  Josh Coalson
+;  Copyright (C) 2011-2016  Xiph.Org Foundation
+;
+;  Redistribution and use in source and binary forms, with or without
+;  modification, are permitted provided that the following conditions
+;  are met:
+;
+;  - Redistributions of source code must retain the above copyright
+;  notice, this list of conditions and the following disclaimer.
+;
+;  - Redistributions in binary form must reproduce the above copyright
+;  notice, this list of conditions and the following disclaimer in the
+;  documentation and/or other materials provided with the distribution.
+;
+;  - Neither the name of the Xiph.org Foundation nor the names of its
+;  contributors may be used to endorse or promote products derived from
+;  this software without specific prior written permission.
+;
+;  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+;  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+;  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+;  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+;  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+;  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+;  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+;  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+;  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+;  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+;  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+	bits 32
+
+%ifdef OBJ_FORMAT_win32
+	%define FLAC__PUBLIC_NEEDS_UNDERSCORE
+	%idefine code_section section .text align=16 class=CODE use32
+	%idefine data_section section .data align=32 class=DATA use32
+	%idefine bss_section  section .bss  align=32 class=DATA use32
+%elifdef OBJ_FORMAT_aout
+	%define FLAC__PUBLIC_NEEDS_UNDERSCORE
+	%idefine code_section section .text
+	%idefine data_section section .data
+	%idefine bss_section  section .bss
+%elifdef OBJ_FORMAT_aoutb
+	%define FLAC__PUBLIC_NEEDS_UNDERSCORE
+	%idefine code_section section .text
+	%idefine data_section section .data
+	%idefine bss_section  section .bss
+%elifdef OBJ_FORMAT_macho
+	%define FLAC__PUBLIC_NEEDS_UNDERSCORE
+	%idefine code_section section .text
+	%idefine data_section section .data
+	%idefine bss_section  section .bss
+%elifdef OBJ_FORMAT_elf
+	%idefine code_section section .text align=16
+	%idefine data_section section .data align=32
+	%idefine bss_section  section .bss  align=32
+%else
+	%error unsupported object format! ; this directive doesn't really work here
+%endif
+
+%imacro cglobal 1
+	%ifdef FLAC__PUBLIC_NEEDS_UNDERSCORE
+		global _%1
+	%else
+		%if __NASM_MAJOR__ >= 2
+			global %1:function hidden
+		%else
+			global %1
+		%endif
+	%endif
+%endmacro
+
+%imacro cextern 1
+	%ifdef FLAC__PUBLIC_NEEDS_UNDERSCORE
+		extern _%1
+	%else
+		extern %1
+	%endif
+%endmacro
+
+%imacro cident 1
+_%1:
+%1:
+%endmacro
+
+%ifdef OBJ_FORMAT_elf
+section .note.GNU-stack progbits noalloc noexec nowrite align=1
+%endif
+

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/Makefile.am

@@ -0,0 +1,32 @@
+#  libFLAC - Free Lossless Audio Codec library
+#  Copyright (C) 2001-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#
+#  - Redistributions of source code must retain the above copyright
+#  notice, this list of conditions and the following disclaimer.
+#
+#  - Redistributions in binary form must reproduce the above copyright
+#  notice, this list of conditions and the following disclaimer in the
+#  documentation and/or other materials provided with the distribution.
+#
+#  - Neither the name of the Xiph.org Foundation nor the names of its
+#  contributors may be used to endorse or promote products derived from
+#  this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+#  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+SUBDIRS = private protected

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/Makefile.in

@@ -0,0 +1,691 @@
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+
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+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+#  libFLAC - Free Lossless Audio Codec library
+#  Copyright (C) 2001-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#
+#  - Redistributions of source code must retain the above copyright
+#  notice, this list of conditions and the following disclaimer.
+#
+#  - Redistributions in binary form must reproduce the above copyright
+#  notice, this list of conditions and the following disclaimer in the
+#  documentation and/or other materials provided with the distribution.
+#
+#  - Neither the name of the Xiph.org Foundation nor the names of its
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+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+XMMS_CFLAGS = @XMMS_CFLAGS@
+XMMS_CONFIG = @XMMS_CONFIG@
+XMMS_DATA_DIR = @XMMS_DATA_DIR@
+XMMS_EFFECT_PLUGIN_DIR = @XMMS_EFFECT_PLUGIN_DIR@
+XMMS_GENERAL_PLUGIN_DIR = @XMMS_GENERAL_PLUGIN_DIR@
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libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/Makefile.am

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+#  libFLAC - Free Lossless Audio Codec library
+#  Copyright (C) 2001-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#
+#  - Redistributions of source code must retain the above copyright
+#  notice, this list of conditions and the following disclaimer.
+#
+#  - Redistributions in binary form must reproduce the above copyright
+#  notice, this list of conditions and the following disclaimer in the
+#  documentation and/or other materials provided with the distribution.
+#
+#  - Neither the name of the Xiph.org Foundation nor the names of its
+#  contributors may be used to endorse or promote products derived from
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+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+#  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+noinst_HEADERS = \
+	all.h \
+	bitmath.h \
+	bitreader.h \
+	bitwriter.h \
+	cpu.h \
+	crc.h \
+	fixed.h \
+	float.h \
+	format.h \
+	lpc.h \
+	macros.h \
+	md5.h \
+	memory.h \
+	metadata.h \
+	ogg_decoder_aspect.h \
+	ogg_encoder_aspect.h \
+	ogg_helper.h \
+	ogg_mapping.h \
+	stream_encoder.h \
+	stream_encoder_framing.h \
+	window.h

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libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/all.h

@@ -0,0 +1,50 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__ALL_H
+#define FLAC__PRIVATE__ALL_H
+
+#include "bitmath.h"
+#include "bitreader.h"
+#include "bitwriter.h"
+#include "cpu.h"
+#include "crc.h"
+#include "fixed.h"
+#include "float.h"
+#include "format.h"
+#include "lpc.h"
+#include "md5.h"
+#include "memory.h"
+#include "metadata.h"
+#include "stream_encoder_framing.h"
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/bitmath.h

@@ -0,0 +1,210 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2001-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__BITMATH_H
+#define FLAC__PRIVATE__BITMATH_H
+
+#include "FLAC/ordinals.h"
+#include "FLAC/assert.h"
+
+#include "share/compat.h"
+
+#if defined(_MSC_VER)
+#include <intrin.h> /* for _BitScanReverse* */
+#endif
+
+/* Will never be emitted for MSVC, GCC, Intel compilers */
+static inline unsigned int FLAC__clz_soft_uint32(FLAC__uint32 word)
+{
+	static const unsigned char byte_to_unary_table[] = {
+	8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
+	3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+	2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+	2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	};
+
+	return word > 0xffffff ? byte_to_unary_table[word >> 24] :
+		word > 0xffff ? byte_to_unary_table[word >> 16] + 8 :
+		word > 0xff ? byte_to_unary_table[word >> 8] + 16 :
+		byte_to_unary_table[word] + 24;
+}
+
+static inline unsigned int FLAC__clz_uint32(FLAC__uint32 v)
+{
+/* Never used with input 0 */
+	FLAC__ASSERT(v > 0);
+#if defined(__INTEL_COMPILER)
+	return _bit_scan_reverse(v) ^ 31U;
+#elif defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
+/* This will translate either to (bsr ^ 31U), clz , ctlz, cntlz, lzcnt depending on
+ * -march= setting or to a software routine in exotic machines. */
+	return __builtin_clz(v);
+#elif defined(_MSC_VER)
+	{
+		unsigned long idx;
+		_BitScanReverse(&idx, v);
+		return idx ^ 31U;
+	}
+#else
+	return FLAC__clz_soft_uint32(v);
+#endif
+}
+
+/* Used when 64-bit bsr/clz is unavailable; can use 32-bit bsr/clz when possible */
+static inline unsigned int FLAC__clz_soft_uint64(FLAC__uint64 word)
+{
+	return (FLAC__uint32)(word>>32) ? FLAC__clz_uint32((FLAC__uint32)(word>>32)) :
+		FLAC__clz_uint32((FLAC__uint32)word) + 32;
+}
+
+static inline unsigned int FLAC__clz_uint64(FLAC__uint64 v)
+{
+	/* Never used with input 0 */
+	FLAC__ASSERT(v > 0);
+#if defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
+	return __builtin_clzll(v);
+#elif (defined(__INTEL_COMPILER) || defined(_MSC_VER)) && (defined(_M_IA64) || defined(_M_X64))
+	{
+		unsigned long idx;
+		_BitScanReverse64(&idx, v);
+		return idx ^ 63U;
+	}
+#else
+	return FLAC__clz_soft_uint64(v);
+#endif
+}
+
+/* These two functions work with input 0 */
+static inline unsigned int FLAC__clz2_uint32(FLAC__uint32 v)
+{
+	if (!v)
+		return 32;
+	return FLAC__clz_uint32(v);
+}
+
+static inline unsigned int FLAC__clz2_uint64(FLAC__uint64 v)
+{
+	if (!v)
+		return 64;
+	return FLAC__clz_uint64(v);
+}
+
+/* An example of what FLAC__bitmath_ilog2() computes:
+ *
+ * ilog2( 0) = assertion failure
+ * ilog2( 1) = 0
+ * ilog2( 2) = 1
+ * ilog2( 3) = 1
+ * ilog2( 4) = 2
+ * ilog2( 5) = 2
+ * ilog2( 6) = 2
+ * ilog2( 7) = 2
+ * ilog2( 8) = 3
+ * ilog2( 9) = 3
+ * ilog2(10) = 3
+ * ilog2(11) = 3
+ * ilog2(12) = 3
+ * ilog2(13) = 3
+ * ilog2(14) = 3
+ * ilog2(15) = 3
+ * ilog2(16) = 4
+ * ilog2(17) = 4
+ * ilog2(18) = 4
+ */
+
+static inline unsigned FLAC__bitmath_ilog2(FLAC__uint32 v)
+{
+	FLAC__ASSERT(v > 0);
+#if defined(__INTEL_COMPILER)
+	return _bit_scan_reverse(v);
+#elif defined(_MSC_VER)
+	{
+		unsigned long idx;
+		_BitScanReverse(&idx, v);
+		return idx;
+	}
+#else
+	return FLAC__clz_uint32(v) ^ 31U;
+#endif
+}
+
+static inline unsigned FLAC__bitmath_ilog2_wide(FLAC__uint64 v)
+{
+	FLAC__ASSERT(v > 0);
+#if defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
+	return __builtin_clzll(v) ^ 63U;
+/* Sorry, only supported in x64/Itanium.. and both have fast FPU which makes integer-only encoder pointless */
+#elif (defined(__INTEL_COMPILER) || defined(_MSC_VER)) && (defined(_M_IA64) || defined(_M_X64))
+	{
+		unsigned long idx;
+		_BitScanReverse64(&idx, v);
+		return idx;
+	}
+#else
+/*  Brain-damaged compilers will use the fastest possible way that is,
+	de Bruijn sequences (http://supertech.csail.mit.edu/papers/debruijn.pdf)
+	(C) Timothy B. Terriberry (tterribe@xiph.org) 2001-2009 CC0 (Public domain).
+*/
+	{
+		static const unsigned char DEBRUIJN_IDX64[64]={
+			0, 1, 2, 7, 3,13, 8,19, 4,25,14,28, 9,34,20,40,
+			5,17,26,38,15,46,29,48,10,31,35,54,21,50,41,57,
+			63, 6,12,18,24,27,33,39,16,37,45,47,30,53,49,56,
+			62,11,23,32,36,44,52,55,61,22,43,51,60,42,59,58
+		};
+		v|= v>>1;
+		v|= v>>2;
+		v|= v>>4;
+		v|= v>>8;
+		v|= v>>16;
+		v|= v>>32;
+		v= (v>>1)+1;
+		return DEBRUIJN_IDX64[v*FLAC__U64L(0x218A392CD3D5DBF)>>58&0x3F];
+	}
+#endif
+}
+
+unsigned FLAC__bitmath_silog2(FLAC__int64 v);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/bitreader.h

@@ -0,0 +1,91 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__BITREADER_H
+#define FLAC__PRIVATE__BITREADER_H
+
+#include <stdio.h> /* for FILE */
+#include "FLAC/ordinals.h"
+#include "cpu.h"
+
+/*
+ * opaque structure definition
+ */
+struct FLAC__BitReader;
+typedef struct FLAC__BitReader FLAC__BitReader;
+
+typedef FLAC__bool (*FLAC__BitReaderReadCallback)(FLAC__byte buffer[], size_t *bytes, void *client_data);
+
+/*
+ * construction, deletion, initialization, etc functions
+ */
+FLAC__BitReader *FLAC__bitreader_new(void);
+void FLAC__bitreader_delete(FLAC__BitReader *br);
+FLAC__bool FLAC__bitreader_init(FLAC__BitReader *br, FLAC__BitReaderReadCallback rcb, void *cd);
+void FLAC__bitreader_free(FLAC__BitReader *br); /* does not 'free(br)' */
+FLAC__bool FLAC__bitreader_clear(FLAC__BitReader *br);
+void FLAC__bitreader_dump(const FLAC__BitReader *br, FILE *out);
+
+/*
+ * CRC functions
+ */
+void FLAC__bitreader_reset_read_crc16(FLAC__BitReader *br, FLAC__uint16 seed);
+FLAC__uint16 FLAC__bitreader_get_read_crc16(FLAC__BitReader *br);
+
+/*
+ * info functions
+ */
+FLAC__bool FLAC__bitreader_is_consumed_byte_aligned(const FLAC__BitReader *br);
+unsigned FLAC__bitreader_bits_left_for_byte_alignment(const FLAC__BitReader *br);
+unsigned FLAC__bitreader_get_input_bits_unconsumed(const FLAC__BitReader *br);
+
+/*
+ * read functions
+ */
+
+FLAC__bool FLAC__bitreader_read_raw_uint32(FLAC__BitReader *br, FLAC__uint32 *val, unsigned bits);
+FLAC__bool FLAC__bitreader_read_raw_int32(FLAC__BitReader *br, FLAC__int32 *val, unsigned bits);
+FLAC__bool FLAC__bitreader_read_raw_uint64(FLAC__BitReader *br, FLAC__uint64 *val, unsigned bits);
+FLAC__bool FLAC__bitreader_read_uint32_little_endian(FLAC__BitReader *br, FLAC__uint32 *val); /*only for bits=32*/
+FLAC__bool FLAC__bitreader_skip_bits_no_crc(FLAC__BitReader *br, unsigned bits); /* WATCHOUT: does not CRC the skipped data! */ /*@@@@ add to unit tests */
+FLAC__bool FLAC__bitreader_skip_byte_block_aligned_no_crc(FLAC__BitReader *br, unsigned nvals); /* WATCHOUT: does not CRC the read data! */
+FLAC__bool FLAC__bitreader_read_byte_block_aligned_no_crc(FLAC__BitReader *br, FLAC__byte *val, unsigned nvals); /* WATCHOUT: does not CRC the read data! */
+FLAC__bool FLAC__bitreader_read_unary_unsigned(FLAC__BitReader *br, unsigned *val);
+FLAC__bool FLAC__bitreader_read_rice_signed(FLAC__BitReader *br, int *val, unsigned parameter);
+FLAC__bool FLAC__bitreader_read_rice_signed_block(FLAC__BitReader *br, int vals[], unsigned nvals, unsigned parameter);
+#if 0 /* UNUSED */
+FLAC__bool FLAC__bitreader_read_golomb_signed(FLAC__BitReader *br, int *val, unsigned parameter);
+FLAC__bool FLAC__bitreader_read_golomb_unsigned(FLAC__BitReader *br, unsigned *val, unsigned parameter);
+#endif
+FLAC__bool FLAC__bitreader_read_utf8_uint32(FLAC__BitReader *br, FLAC__uint32 *val, FLAC__byte *raw, unsigned *rawlen);
+FLAC__bool FLAC__bitreader_read_utf8_uint64(FLAC__BitReader *br, FLAC__uint64 *val, FLAC__byte *raw, unsigned *rawlen);
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/bitwriter.h

@@ -0,0 +1,104 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__BITWRITER_H
+#define FLAC__PRIVATE__BITWRITER_H
+
+#include <stdio.h> /* for FILE */
+#include "FLAC/ordinals.h"
+
+/*
+ * opaque structure definition
+ */
+struct FLAC__BitWriter;
+typedef struct FLAC__BitWriter FLAC__BitWriter;
+
+/*
+ * construction, deletion, initialization, etc functions
+ */
+FLAC__BitWriter *FLAC__bitwriter_new(void);
+void FLAC__bitwriter_delete(FLAC__BitWriter *bw);
+FLAC__bool FLAC__bitwriter_init(FLAC__BitWriter *bw);
+void FLAC__bitwriter_free(FLAC__BitWriter *bw); /* does not 'free(buffer)' */
+void FLAC__bitwriter_clear(FLAC__BitWriter *bw);
+void FLAC__bitwriter_dump(const FLAC__BitWriter *bw, FILE *out);
+
+/*
+ * CRC functions
+ *
+ * non-const *bw because they have to cal FLAC__bitwriter_get_buffer()
+ */
+FLAC__bool FLAC__bitwriter_get_write_crc16(FLAC__BitWriter *bw, FLAC__uint16 *crc);
+FLAC__bool FLAC__bitwriter_get_write_crc8(FLAC__BitWriter *bw, FLAC__byte *crc);
+
+/*
+ * info functions
+ */
+FLAC__bool FLAC__bitwriter_is_byte_aligned(const FLAC__BitWriter *bw);
+unsigned FLAC__bitwriter_get_input_bits_unconsumed(const FLAC__BitWriter *bw); /* can be called anytime, returns total # of bits unconsumed */
+
+/*
+ * direct buffer access
+ *
+ * there may be no calls on the bitwriter between get and release.
+ * the bitwriter continues to own the returned buffer.
+ * before get, bitwriter MUST be byte aligned: check with FLAC__bitwriter_is_byte_aligned()
+ */
+FLAC__bool FLAC__bitwriter_get_buffer(FLAC__BitWriter *bw, const FLAC__byte **buffer, size_t *bytes);
+void FLAC__bitwriter_release_buffer(FLAC__BitWriter *bw);
+
+/*
+ * write functions
+ */
+FLAC__bool FLAC__bitwriter_write_zeroes(FLAC__BitWriter *bw, unsigned bits);
+FLAC__bool FLAC__bitwriter_write_raw_uint32(FLAC__BitWriter *bw, FLAC__uint32 val, unsigned bits);
+FLAC__bool FLAC__bitwriter_write_raw_int32(FLAC__BitWriter *bw, FLAC__int32 val, unsigned bits);
+FLAC__bool FLAC__bitwriter_write_raw_uint64(FLAC__BitWriter *bw, FLAC__uint64 val, unsigned bits);
+FLAC__bool FLAC__bitwriter_write_raw_uint32_little_endian(FLAC__BitWriter *bw, FLAC__uint32 val); /*only for bits=32*/
+FLAC__bool FLAC__bitwriter_write_byte_block(FLAC__BitWriter *bw, const FLAC__byte vals[], unsigned nvals);
+FLAC__bool FLAC__bitwriter_write_unary_unsigned(FLAC__BitWriter *bw, unsigned val);
+unsigned FLAC__bitwriter_rice_bits(FLAC__int32 val, unsigned parameter);
+#if 0 /* UNUSED */
+unsigned FLAC__bitwriter_golomb_bits_signed(int val, unsigned parameter);
+unsigned FLAC__bitwriter_golomb_bits_unsigned(unsigned val, unsigned parameter);
+#endif
+FLAC__bool FLAC__bitwriter_write_rice_signed(FLAC__BitWriter *bw, FLAC__int32 val, unsigned parameter);
+FLAC__bool FLAC__bitwriter_write_rice_signed_block(FLAC__BitWriter *bw, const FLAC__int32 *vals, unsigned nvals, unsigned parameter);
+#if 0 /* UNUSED */
+FLAC__bool FLAC__bitwriter_write_golomb_signed(FLAC__BitWriter *bw, int val, unsigned parameter);
+FLAC__bool FLAC__bitwriter_write_golomb_unsigned(FLAC__BitWriter *bw, unsigned val, unsigned parameter);
+#endif
+FLAC__bool FLAC__bitwriter_write_utf8_uint32(FLAC__BitWriter *bw, FLAC__uint32 val);
+FLAC__bool FLAC__bitwriter_write_utf8_uint64(FLAC__BitWriter *bw, FLAC__uint64 val);
+FLAC__bool FLAC__bitwriter_zero_pad_to_byte_boundary(FLAC__BitWriter *bw);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/cpu.h

@@ -0,0 +1,186 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2001-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__CPU_H
+#define FLAC__PRIVATE__CPU_H
+
+#include "FLAC/ordinals.h"
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifndef FLAC__CPU_X86_64
+
+#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
+#define FLAC__CPU_X86_64
+#endif
+
+#endif
+
+#ifndef FLAC__CPU_IA32
+
+#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) ||defined( __i386) || defined(_M_IX86)
+#define FLAC__CPU_IA32
+#endif
+
+#endif
+
+
+#if FLAC__HAS_X86INTRIN
+/* SSE intrinsics support by ICC/MSVC/GCC */
+#if defined __INTEL_COMPILER
+  #define FLAC__SSE_TARGET(x)
+  #define FLAC__SSE_SUPPORTED 1
+  #define FLAC__SSE2_SUPPORTED 1
+  #if (__INTEL_COMPILER >= 1000) /* Intel C++ Compiler 10.0 */
+    #define FLAC__SSSE3_SUPPORTED 1
+    #define FLAC__SSE4_1_SUPPORTED 1
+  #endif
+  #if (__INTEL_COMPILER >= 1110) /* Intel C++ Compiler 11.1 */
+    #define FLAC__AVX_SUPPORTED 1
+  #endif
+  #if (__INTEL_COMPILER >= 1300) /* Intel C++ Compiler 13.0 */
+    #define FLAC__AVX2_SUPPORTED 1
+    #define FLAC__FMA_SUPPORTED 1
+  #endif
+#elif defined _MSC_VER
+  #define FLAC__SSE_TARGET(x)
+  #define FLAC__SSE_SUPPORTED 1
+  #define FLAC__SSE2_SUPPORTED 1
+  #if (_MSC_VER >= 1500) /* MS Visual Studio 2008 */
+    #define FLAC__SSSE3_SUPPORTED 1
+    #define FLAC__SSE4_1_SUPPORTED 1
+  #endif
+  #if (_MSC_FULL_VER >= 160040219) /* MS Visual Studio 2010 SP1 */
+    #define FLAC__AVX_SUPPORTED 1
+  #endif
+  #if (_MSC_VER >= 1700) /* MS Visual Studio 2012 */
+    #define FLAC__AVX2_SUPPORTED 1
+    #define FLAC__FMA_SUPPORTED 1
+  #endif
+#elif defined __GNUC__
+  #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)) /* since GCC 4.9 -msse.. compiler options aren't necessary */
+    #define FLAC__SSE_TARGET(x) __attribute__ ((__target__ (x)))
+    #define FLAC__SSE_SUPPORTED 1
+    #define FLAC__SSE2_SUPPORTED 1
+    #define FLAC__SSSE3_SUPPORTED 1
+    #define FLAC__SSE4_1_SUPPORTED 1
+#ifdef FLAC__USE_AVX
+    #define FLAC__AVX_SUPPORTED 1
+    #define FLAC__AVX2_SUPPORTED 1
+    #define FLAC__FMA_SUPPORTED 1
+#endif
+  #else /* for GCC older than 4.9 */
+    #define FLAC__SSE_TARGET(x)
+    #ifdef __SSE__
+      #define FLAC__SSE_SUPPORTED 1
+    #endif
+    #ifdef __SSE2__
+      #define FLAC__SSE2_SUPPORTED 1
+    #endif
+    #ifdef __SSSE3__
+      #define FLAC__SSSE3_SUPPORTED 1
+    #endif
+    #ifdef __SSE4_1__
+      #define FLAC__SSE4_1_SUPPORTED 1
+    #endif
+    #ifdef __AVX__
+      #define FLAC__AVX_SUPPORTED 1
+    #endif
+    #ifdef __AVX2__
+      #define FLAC__AVX2_SUPPORTED 1
+    #endif
+    #ifdef __FMA__
+      #define FLAC__FMA_SUPPORTED 1
+    #endif
+  #endif /* GCC version */
+#endif /* compiler version */
+#endif /* intrinsics support */
+
+
+#ifndef FLAC__AVX_SUPPORTED
+#define FLAC__AVX_SUPPORTED 0
+#endif
+
+typedef enum {
+	FLAC__CPUINFO_TYPE_IA32,
+	FLAC__CPUINFO_TYPE_X86_64,
+	FLAC__CPUINFO_TYPE_UNKNOWN
+} FLAC__CPUInfo_Type;
+
+typedef struct {
+	FLAC__bool intel;
+
+	FLAC__bool cmov;
+	FLAC__bool mmx;
+	FLAC__bool sse;
+	FLAC__bool sse2;
+
+	FLAC__bool sse3;
+	FLAC__bool ssse3;
+	FLAC__bool sse41;
+	FLAC__bool sse42;
+	FLAC__bool avx;
+	FLAC__bool avx2;
+	FLAC__bool fma;
+} FLAC__CPUInfo_IA32;
+
+typedef struct {
+	FLAC__bool intel;
+
+	FLAC__bool sse3;
+	FLAC__bool ssse3;
+	FLAC__bool sse41;
+	FLAC__bool sse42;
+	FLAC__bool avx;
+	FLAC__bool avx2;
+	FLAC__bool fma;
+} FLAC__CPUInfo_x86;
+
+
+typedef struct {
+	FLAC__bool use_asm;
+	FLAC__CPUInfo_Type type;
+	FLAC__CPUInfo_IA32 ia32;
+	FLAC__CPUInfo_x86 x86;
+} FLAC__CPUInfo;
+
+void FLAC__cpu_info(FLAC__CPUInfo *info);
+
+FLAC__uint32 FLAC__cpu_have_cpuid_asm_ia32(void);
+
+void         FLAC__cpu_info_asm_ia32(FLAC__uint32 *flags_edx, FLAC__uint32 *flags_ecx);
+
+void         FLAC__cpu_info_x86(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx, FLAC__uint32 *ecx, FLAC__uint32 *edx);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/crc.h

@@ -0,0 +1,62 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__CRC_H
+#define FLAC__PRIVATE__CRC_H
+
+#include "FLAC/ordinals.h"
+
+/* 8 bit CRC generator, MSB shifted first
+** polynomial = x^8 + x^2 + x^1 + x^0
+** init = 0
+*/
+extern FLAC__byte const FLAC__crc8_table[256];
+#define FLAC__CRC8_UPDATE(data, crc) (crc) = FLAC__crc8_table[(crc) ^ (data)];
+void FLAC__crc8_update(const FLAC__byte data, FLAC__uint8 *crc);
+void FLAC__crc8_update_block(const FLAC__byte *data, unsigned len, FLAC__uint8 *crc);
+FLAC__uint8 FLAC__crc8(const FLAC__byte *data, unsigned len);
+
+/* 16 bit CRC generator, MSB shifted first
+** polynomial = x^16 + x^15 + x^2 + x^0
+** init = 0
+*/
+extern unsigned const FLAC__crc16_table[256];
+
+#define FLAC__CRC16_UPDATE(data, crc) ((((crc)<<8) & 0xffff) ^ FLAC__crc16_table[((crc)>>8) ^ (data)])
+/* this alternate may be faster on some systems/compilers */
+#if 0
+#define FLAC__CRC16_UPDATE(data, crc) ((((crc)<<8) ^ FLAC__crc16_table[((crc)>>8) ^ (data)]) & 0xffff)
+#endif
+
+unsigned FLAC__crc16(const FLAC__byte *data, unsigned len);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/fixed.h

@@ -0,0 +1,107 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__FIXED_H
+#define FLAC__PRIVATE__FIXED_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "private/cpu.h"
+#include "private/float.h"
+#include "FLAC/format.h"
+
+/*
+ *	FLAC__fixed_compute_best_predictor()
+ *	--------------------------------------------------------------------
+ *	Compute the best fixed predictor and the expected bits-per-sample
+ *  of the residual signal for each order.  The _wide() version uses
+ *  64-bit integers which is statistically necessary when bits-per-
+ *  sample + log2(blocksize) > 30
+ *
+ *	IN data[0,data_len-1]
+ *	IN data_len
+ *	OUT residual_bits_per_sample[0,FLAC__MAX_FIXED_ORDER]
+ */
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+unsigned FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
+unsigned FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
+# ifndef FLAC__NO_ASM
+#  if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
+#   ifdef FLAC__SSE2_SUPPORTED
+unsigned FLAC__fixed_compute_best_predictor_intrin_sse2(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]);
+unsigned FLAC__fixed_compute_best_predictor_wide_intrin_sse2(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]);
+#   endif
+#   ifdef FLAC__SSSE3_SUPPORTED
+unsigned FLAC__fixed_compute_best_predictor_intrin_ssse3(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
+unsigned FLAC__fixed_compute_best_predictor_wide_intrin_ssse3(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]);
+#   endif
+#  endif
+#  if defined FLAC__CPU_IA32 && defined FLAC__HAS_NASM
+unsigned FLAC__fixed_compute_best_predictor_asm_ia32_mmx_cmov(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
+#  endif
+# endif
+#else
+unsigned FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], unsigned data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
+unsigned FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], unsigned data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
+#endif
+
+/*
+ *	FLAC__fixed_compute_residual()
+ *	--------------------------------------------------------------------
+ *	Compute the residual signal obtained from sutracting the predicted
+ *	signal from the original.
+ *
+ *	IN data[-order,data_len-1]        original signal (NOTE THE INDICES!)
+ *	IN data_len                       length of original signal
+ *	IN order <= FLAC__MAX_FIXED_ORDER fixed-predictor order
+ *	OUT residual[0,data_len-1]        residual signal
+ */
+void FLAC__fixed_compute_residual(const FLAC__int32 data[], unsigned data_len, unsigned order, FLAC__int32 residual[]);
+
+/*
+ *	FLAC__fixed_restore_signal()
+ *	--------------------------------------------------------------------
+ *	Restore the original signal by summing the residual and the
+ *	predictor.
+ *
+ *	IN residual[0,data_len-1]         residual signal
+ *	IN data_len                       length of original signal
+ *	IN order <= FLAC__MAX_FIXED_ORDER fixed-predictor order
+ *	*** IMPORTANT: the caller must pass in the historical samples:
+ *	IN  data[-order,-1]               previously-reconstructed historical samples
+ *	OUT data[0,data_len-1]            original signal
+ */
+void FLAC__fixed_restore_signal(const FLAC__int32 residual[], unsigned data_len, unsigned order, FLAC__int32 data[]);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/float.h

@@ -0,0 +1,95 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2004-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__FLOAT_H
+#define FLAC__PRIVATE__FLOAT_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "FLAC/ordinals.h"
+
+/*
+ * All the code in libFLAC that uses float and double
+ * should be protected by checks of the macro
+ * FLAC__INTEGER_ONLY_LIBRARY.
+ *
+ */
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+/*
+ * FLAC__real is the basic floating point type used in LPC analysis.
+ *
+ * WATCHOUT: changing FLAC__real will change the signatures of many
+ * functions that have assembly language equivalents and break them.
+ */
+typedef float FLAC__real;
+#else
+/*
+ * The convention for FLAC__fixedpoint is to use the upper 16 bits
+ * for the integer part and lower 16 bits for the fractional part.
+ */
+typedef FLAC__int32 FLAC__fixedpoint;
+extern const FLAC__fixedpoint FLAC__FP_ZERO;
+extern const FLAC__fixedpoint FLAC__FP_ONE_HALF;
+extern const FLAC__fixedpoint FLAC__FP_ONE;
+extern const FLAC__fixedpoint FLAC__FP_LN2;
+extern const FLAC__fixedpoint FLAC__FP_E;
+
+#define FLAC__fixedpoint_trunc(x) ((x)>>16)
+
+#define FLAC__fixedpoint_mul(x, y) ( (FLAC__fixedpoint) ( ((FLAC__int64)(x)*(FLAC__int64)(y)) >> 16 ) )
+
+#define FLAC__fixedpoint_div(x, y) ( (FLAC__fixedpoint) ( ( ((FLAC__int64)(x)<<32) / (FLAC__int64)(y) ) >> 16 ) )
+
+/*
+ *	FLAC__fixedpoint_log2()
+ *	--------------------------------------------------------------------
+ *	Returns the base-2 logarithm of the fixed-point number 'x' using an
+ *	algorithm by Knuth for x >= 1.0
+ *
+ *	'fracbits' is the number of fractional bits of 'x'.  'fracbits' must
+ *	be < 32 and evenly divisible by 4 (0 is OK but not very precise).
+ *
+ *	'precision' roughly limits the number of iterations that are done;
+ *	use (unsigned)(-1) for maximum precision.
+ *
+ *	If 'x' is less than one -- that is, x < (1<<fracbits) -- then this
+ *	function will punt and return 0.
+ *
+ *	The return value will also have 'fracbits' fractional bits.
+ */
+FLAC__uint32 FLAC__fixedpoint_log2(FLAC__uint32 x, unsigned fracbits, unsigned precision);
+
+#endif
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/format.h

@@ -0,0 +1,45 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__FORMAT_H
+#define FLAC__PRIVATE__FORMAT_H
+
+#include "FLAC/format.h"
+
+unsigned FLAC__format_get_max_rice_partition_order(unsigned blocksize, unsigned predictor_order);
+unsigned FLAC__format_get_max_rice_partition_order_from_blocksize(unsigned blocksize);
+unsigned FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(unsigned limit, unsigned blocksize, unsigned predictor_order);
+void FLAC__format_entropy_coding_method_partitioned_rice_contents_init(FLAC__EntropyCodingMethod_PartitionedRiceContents *object);
+void FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(FLAC__EntropyCodingMethod_PartitionedRiceContents *object);
+FLAC__bool FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(FLAC__EntropyCodingMethod_PartitionedRiceContents *object, unsigned max_partition_order);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/lpc.h

@@ -0,0 +1,250 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__LPC_H
+#define FLAC__PRIVATE__LPC_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "private/cpu.h"
+#include "private/float.h"
+#include "FLAC/format.h"
+
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+
+/*
+ *	FLAC__lpc_window_data()
+ *	--------------------------------------------------------------------
+ *	Applies the given window to the data.
+ *  OPT: asm implementation
+ *
+ *	IN in[0,data_len-1]
+ *	IN window[0,data_len-1]
+ *	OUT out[0,lag-1]
+ *	IN data_len
+ */
+void FLAC__lpc_window_data(const FLAC__int32 in[], const FLAC__real window[], FLAC__real out[], unsigned data_len);
+
+/*
+ *	FLAC__lpc_compute_autocorrelation()
+ *	--------------------------------------------------------------------
+ *	Compute the autocorrelation for lags between 0 and lag-1.
+ *	Assumes data[] outside of [0,data_len-1] == 0.
+ *	Asserts that lag > 0.
+ *
+ *	IN data[0,data_len-1]
+ *	IN data_len
+ *	IN 0 < lag <= data_len
+ *	OUT autoc[0,lag-1]
+ */
+void FLAC__lpc_compute_autocorrelation(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+#ifndef FLAC__NO_ASM
+#  ifdef FLAC__CPU_IA32
+#    ifdef FLAC__HAS_NASM
+void FLAC__lpc_compute_autocorrelation_asm_ia32(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_16_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+#    endif
+#  endif
+#  if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
+#    ifdef FLAC__SSE_SUPPORTED
+void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_new(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_new(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_new(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_new(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+#    endif
+#  endif
+#endif
+
+/*
+ *	FLAC__lpc_compute_lp_coefficients()
+ *	--------------------------------------------------------------------
+ *	Computes LP coefficients for orders 1..max_order.
+ *	Do not call if autoc[0] == 0.0.  This means the signal is zero
+ *	and there is no point in calculating a predictor.
+ *
+ *	IN autoc[0,max_order]                      autocorrelation values
+ *	IN 0 < max_order <= FLAC__MAX_LPC_ORDER    max LP order to compute
+ *	OUT lp_coeff[0,max_order-1][0,max_order-1] LP coefficients for each order
+ *	*** IMPORTANT:
+ *	*** lp_coeff[0,max_order-1][max_order,FLAC__MAX_LPC_ORDER-1] are untouched
+ *	OUT error[0,max_order-1]                   error for each order (more
+ *	                                           specifically, the variance of
+ *	                                           the error signal times # of
+ *	                                           samples in the signal)
+ *
+ *	Example: if max_order is 9, the LP coefficients for order 9 will be
+ *	         in lp_coeff[8][0,8], the LP coefficients for order 8 will be
+ *			 in lp_coeff[7][0,7], etc.
+ */
+void FLAC__lpc_compute_lp_coefficients(const FLAC__real autoc[], unsigned *max_order, FLAC__real lp_coeff[][FLAC__MAX_LPC_ORDER], double error[]);
+
+/*
+ *	FLAC__lpc_quantize_coefficients()
+ *	--------------------------------------------------------------------
+ *	Quantizes the LP coefficients.  NOTE: precision + bits_per_sample
+ *	must be less than 32 (sizeof(FLAC__int32)*8).
+ *
+ *	IN lp_coeff[0,order-1]    LP coefficients
+ *	IN order                  LP order
+ *	IN FLAC__MIN_QLP_COEFF_PRECISION < precision
+ *	                          desired precision (in bits, including sign
+ *	                          bit) of largest coefficient
+ *	OUT qlp_coeff[0,order-1]  quantized coefficients
+ *	OUT shift                 # of bits to shift right to get approximated
+ *	                          LP coefficients.  NOTE: could be negative.
+ *	RETURN 0 => quantization OK
+ *	       1 => coefficients require too much shifting for *shift to
+ *              fit in the LPC subframe header.  'shift' is unset.
+ *         2 => coefficients are all zero, which is bad.  'shift' is
+ *              unset.
+ */
+int FLAC__lpc_quantize_coefficients(const FLAC__real lp_coeff[], unsigned order, unsigned precision, FLAC__int32 qlp_coeff[], int *shift);
+
+/*
+ *	FLAC__lpc_compute_residual_from_qlp_coefficients()
+ *	--------------------------------------------------------------------
+ *	Compute the residual signal obtained from sutracting the predicted
+ *	signal from the original.
+ *
+ *	IN data[-order,data_len-1] original signal (NOTE THE INDICES!)
+ *	IN data_len                length of original signal
+ *	IN qlp_coeff[0,order-1]    quantized LP coefficients
+ *	IN order > 0               LP order
+ *	IN lp_quantization         quantization of LP coefficients in bits
+ *	OUT residual[0,data_len-1] residual signal
+ */
+void FLAC__lpc_compute_residual_from_qlp_coefficients(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+void FLAC__lpc_compute_residual_from_qlp_coefficients_wide(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+#ifndef FLAC__NO_ASM
+#  ifdef FLAC__CPU_IA32
+#    ifdef FLAC__HAS_NASM
+void FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+void FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_asm_ia32(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+#    endif
+#  endif
+#  if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
+#    ifdef FLAC__SSE2_SUPPORTED
+void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_sse2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+#    endif
+#    ifdef FLAC__SSE4_1_SUPPORTED
+void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse41(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_sse41(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+#    endif
+#    ifdef FLAC__AVX2_SUPPORTED
+void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_avx2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_avx2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_avx2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+#    endif
+#  endif
+#endif
+
+#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
+
+/*
+ *	FLAC__lpc_restore_signal()
+ *	--------------------------------------------------------------------
+ *	Restore the original signal by summing the residual and the
+ *	predictor.
+ *
+ *	IN residual[0,data_len-1]  residual signal
+ *	IN data_len                length of original signal
+ *	IN qlp_coeff[0,order-1]    quantized LP coefficients
+ *	IN order > 0               LP order
+ *	IN lp_quantization         quantization of LP coefficients in bits
+ *	*** IMPORTANT: the caller must pass in the historical samples:
+ *	IN  data[-order,-1]        previously-reconstructed historical samples
+ *	OUT data[0,data_len-1]     original signal
+ */
+void FLAC__lpc_restore_signal(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
+void FLAC__lpc_restore_signal_wide(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
+#ifndef FLAC__NO_ASM
+#  ifdef FLAC__CPU_IA32
+#    ifdef FLAC__HAS_NASM
+void FLAC__lpc_restore_signal_asm_ia32(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
+void FLAC__lpc_restore_signal_asm_ia32_mmx(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
+void FLAC__lpc_restore_signal_wide_asm_ia32(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
+#    endif /* FLAC__HAS_NASM */
+#  endif /* FLAC__CPU_IA32 */
+#  if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
+#    ifdef FLAC__SSE2_SUPPORTED
+void FLAC__lpc_restore_signal_16_intrin_sse2(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
+#    endif
+#    ifdef FLAC__SSE4_1_SUPPORTED
+void FLAC__lpc_restore_signal_wide_intrin_sse41(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
+#    endif
+#  endif
+#endif /* FLAC__NO_ASM */
+
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+
+/*
+ *	FLAC__lpc_compute_expected_bits_per_residual_sample()
+ *	--------------------------------------------------------------------
+ *	Compute the expected number of bits per residual signal sample
+ *	based on the LP error (which is related to the residual variance).
+ *
+ *	IN lpc_error >= 0.0   error returned from calculating LP coefficients
+ *	IN total_samples > 0  # of samples in residual signal
+ *	RETURN                expected bits per sample
+ */
+double FLAC__lpc_compute_expected_bits_per_residual_sample(double lpc_error, unsigned total_samples);
+double FLAC__lpc_compute_expected_bits_per_residual_sample_with_error_scale(double lpc_error, double error_scale);
+
+/*
+ *	FLAC__lpc_compute_best_order()
+ *	--------------------------------------------------------------------
+ *	Compute the best order from the array of signal errors returned
+ *	during coefficient computation.
+ *
+ *	IN lpc_error[0,max_order-1] >= 0.0  error returned from calculating LP coefficients
+ *	IN max_order > 0                    max LP order
+ *	IN total_samples > 0                # of samples in residual signal
+ *	IN overhead_bits_per_order          # of bits overhead for each increased LP order
+ *	                                    (includes warmup sample size and quantized LP coefficient)
+ *	RETURN [1,max_order]                best order
+ */
+unsigned FLAC__lpc_compute_best_order(const double lpc_error[], unsigned max_order, unsigned total_samples, unsigned overhead_bits_per_order);
+
+#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/macros.h

@@ -0,0 +1,72 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2012-2016  Xiph.org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__MACROS_H
+#define FLAC__PRIVATE__MACROS_H
+
+#if defined(__GNUC__) && (__GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 3))
+
+#define flac_max(a,b) \
+	({ __typeof__ (a) _a = (a); \
+	__typeof__ (b) _b = (b); \
+	_a > _b ? _a : _b; })
+
+#define MIN_PASTE(A,B) A##B
+#define MIN_IMPL(A,B,L) ({ \
+	__typeof__(A) MIN_PASTE(__a,L) = (A); \
+	__typeof__(B) MIN_PASTE(__b,L) = (B); \
+	MIN_PASTE(__a,L) < MIN_PASTE(__b,L) ? MIN_PASTE(__a,L) : MIN_PASTE(__b,L); \
+	})
+
+#define flac_min(A,B) MIN_IMPL(A,B,__COUNTER__)
+
+/* Whatever other unix that has sys/param.h */
+#elif defined(HAVE_SYS_PARAM_H)
+#include <sys/param.h>
+#define flac_max(a,b) MAX(a,b)
+#define flac_min(a,b) MIN(a,b)
+
+/* Windows VS has them in stdlib.h.. XXX:Untested */
+#elif defined(_MSC_VER)
+#include <stdlib.h>
+#define flac_max(a,b) __max(a,b)
+#define flac_min(a,b) __min(a,b)
+#endif
+
+#ifndef MIN
+#define MIN(x,y)	((x) <= (y) ? (x) : (y))
+#endif
+
+#ifndef MAX
+#define MAX(x,y)	((x) >= (y) ? (x) : (y))
+#endif
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/md5.h

@@ -0,0 +1,50 @@
+#ifndef FLAC__PRIVATE__MD5_H
+#define FLAC__PRIVATE__MD5_H
+
+/*
+ * This is the header file for the MD5 message-digest algorithm.
+ * The algorithm is due to Ron Rivest.  This code was
+ * written by Colin Plumb in 1993, no copyright is claimed.
+ * This code is in the public domain; do with it what you wish.
+ *
+ * Equivalent code is available from RSA Data Security, Inc.
+ * This code has been tested against that, and is equivalent,
+ * except that you don't need to include two pages of legalese
+ * with every copy.
+ *
+ * To compute the message digest of a chunk of bytes, declare an
+ * MD5Context structure, pass it to MD5Init, call MD5Update as
+ * needed on buffers full of bytes, and then call MD5Final, which
+ * will fill a supplied 16-byte array with the digest.
+ *
+ * Changed so as no longer to depend on Colin Plumb's `usual.h'
+ * header definitions; now uses stuff from dpkg's config.h
+ *  - Ian Jackson <ijackson@nyx.cs.du.edu>.
+ * Still in the public domain.
+ *
+ * Josh Coalson: made some changes to integrate with libFLAC.
+ * Still in the public domain, with no warranty.
+ */
+
+#include "FLAC/ordinals.h"
+
+typedef union {
+	FLAC__byte *p8;
+	FLAC__int16 *p16;
+	FLAC__int32 *p32;
+} FLAC__multibyte;
+
+typedef struct {
+	FLAC__uint32 in[16];
+	FLAC__uint32 buf[4];
+	FLAC__uint32 bytes[2];
+	FLAC__multibyte internal_buf;
+	size_t capacity;
+} FLAC__MD5Context;
+
+void FLAC__MD5Init(FLAC__MD5Context *context);
+void FLAC__MD5Final(FLAC__byte digest[16], FLAC__MD5Context *context);
+
+FLAC__bool FLAC__MD5Accumulate(FLAC__MD5Context *ctx, const FLAC__int32 * const signal[], unsigned channels, unsigned samples, unsigned bytes_per_sample);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/memory.h

@@ -0,0 +1,58 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2001-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__MEMORY_H
+#define FLAC__PRIVATE__MEMORY_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h> /* for size_t */
+
+#include "private/float.h"
+#include "FLAC/ordinals.h" /* for FLAC__bool */
+
+/* Returns the unaligned address returned by malloc.
+ * Use free() on this address to deallocate.
+ */
+void *FLAC__memory_alloc_aligned(size_t bytes, void **aligned_address);
+FLAC__bool FLAC__memory_alloc_aligned_int32_array(size_t elements, FLAC__int32 **unaligned_pointer, FLAC__int32 **aligned_pointer);
+FLAC__bool FLAC__memory_alloc_aligned_uint32_array(size_t elements, FLAC__uint32 **unaligned_pointer, FLAC__uint32 **aligned_pointer);
+FLAC__bool FLAC__memory_alloc_aligned_uint64_array(size_t elements, FLAC__uint64 **unaligned_pointer, FLAC__uint64 **aligned_pointer);
+FLAC__bool FLAC__memory_alloc_aligned_unsigned_array(size_t elements, unsigned **unaligned_pointer, unsigned **aligned_pointer);
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+FLAC__bool FLAC__memory_alloc_aligned_real_array(size_t elements, FLAC__real **unaligned_pointer, FLAC__real **aligned_pointer);
+#endif
+void *safe_malloc_mul_2op_p(size_t size1, size_t size2);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/metadata.h

@@ -0,0 +1,46 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2002-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__METADATA_H
+#define FLAC__PRIVATE__METADATA_H
+
+#include "FLAC/metadata.h"
+
+/* WATCHOUT: all malloc()ed data in the block is free()ed; this may not
+ * be a consistent state (e.g. PICTURE) or equivalent to the initial
+ * state after FLAC__metadata_object_new()
+ */
+void FLAC__metadata_object_delete_data(FLAC__StreamMetadata *object);
+
+void FLAC__metadata_object_cuesheet_track_delete_data(FLAC__StreamMetadata_CueSheet_Track *object);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/ogg_decoder_aspect.h

@@ -0,0 +1,80 @@
+/* libFLAC - Free Lossless Audio Codec
+ * Copyright (C) 2002-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__OGG_DECODER_ASPECT_H
+#define FLAC__PRIVATE__OGG_DECODER_ASPECT_H
+
+#include <ogg/ogg.h>
+
+#include "FLAC/ordinals.h"
+#include "FLAC/stream_decoder.h" /* for FLAC__StreamDecoderReadStatus */
+
+typedef struct FLAC__OggDecoderAspect {
+	/* these are storage for values that can be set through the API */
+	FLAC__bool use_first_serial_number;
+	long serial_number;
+
+	/* these are for internal state related to Ogg decoding */
+	ogg_stream_state stream_state;
+	ogg_sync_state sync_state;
+	unsigned version_major, version_minor;
+	FLAC__bool need_serial_number;
+	FLAC__bool end_of_stream;
+	FLAC__bool have_working_page; /* only if true will the following vars be valid */
+	ogg_page working_page;
+	FLAC__bool have_working_packet; /* only if true will the following vars be valid */
+	ogg_packet working_packet; /* as we work through the packet we will move working_packet.packet forward and working_packet.bytes down */
+} FLAC__OggDecoderAspect;
+
+void FLAC__ogg_decoder_aspect_set_serial_number(FLAC__OggDecoderAspect *aspect, long value);
+void FLAC__ogg_decoder_aspect_set_defaults(FLAC__OggDecoderAspect *aspect);
+FLAC__bool FLAC__ogg_decoder_aspect_init(FLAC__OggDecoderAspect *aspect);
+void FLAC__ogg_decoder_aspect_finish(FLAC__OggDecoderAspect *aspect);
+void FLAC__ogg_decoder_aspect_flush(FLAC__OggDecoderAspect *aspect);
+void FLAC__ogg_decoder_aspect_reset(FLAC__OggDecoderAspect *aspect);
+
+typedef enum {
+	FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK = 0,
+	FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM,
+	FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC,
+	FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC,
+	FLAC__OGG_DECODER_ASPECT_READ_STATUS_UNSUPPORTED_MAPPING_VERSION,
+	FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT,
+	FLAC__OGG_DECODER_ASPECT_READ_STATUS_ERROR,
+	FLAC__OGG_DECODER_ASPECT_READ_STATUS_MEMORY_ALLOCATION_ERROR
+} FLAC__OggDecoderAspectReadStatus;
+
+typedef FLAC__OggDecoderAspectReadStatus (*FLAC__OggDecoderAspectReadCallbackProxy)(const void *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
+
+FLAC__OggDecoderAspectReadStatus FLAC__ogg_decoder_aspect_read_callback_wrapper(FLAC__OggDecoderAspect *aspect, FLAC__byte buffer[], size_t *bytes, FLAC__OggDecoderAspectReadCallbackProxy read_callback, const FLAC__StreamDecoder *decoder, void *client_data);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/ogg_encoder_aspect.h

@@ -0,0 +1,63 @@
+/* libFLAC - Free Lossless Audio Codec
+ * Copyright (C) 2002-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__OGG_ENCODER_ASPECT_H
+#define FLAC__PRIVATE__OGG_ENCODER_ASPECT_H
+
+#include <ogg/ogg.h>
+
+#include "FLAC/ordinals.h"
+#include "FLAC/stream_encoder.h" /* for FLAC__StreamEncoderWriteStatus */
+
+typedef struct FLAC__OggEncoderAspect {
+	/* these are storage for values that can be set through the API */
+	long serial_number;
+	unsigned num_metadata;
+
+	/* these are for internal state related to Ogg encoding */
+	ogg_stream_state stream_state;
+	ogg_page page;
+	FLAC__bool seen_magic; /* true if we've seen the fLaC magic in the write callback yet */
+	FLAC__bool is_first_packet;
+	FLAC__uint64 samples_written;
+} FLAC__OggEncoderAspect;
+
+void FLAC__ogg_encoder_aspect_set_serial_number(FLAC__OggEncoderAspect *aspect, long value);
+FLAC__bool FLAC__ogg_encoder_aspect_set_num_metadata(FLAC__OggEncoderAspect *aspect, unsigned value);
+void FLAC__ogg_encoder_aspect_set_defaults(FLAC__OggEncoderAspect *aspect);
+FLAC__bool FLAC__ogg_encoder_aspect_init(FLAC__OggEncoderAspect *aspect);
+void FLAC__ogg_encoder_aspect_finish(FLAC__OggEncoderAspect *aspect);
+
+typedef FLAC__StreamEncoderWriteStatus (*FLAC__OggEncoderAspectWriteCallbackProxy)(const void *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data);
+
+FLAC__StreamEncoderWriteStatus FLAC__ogg_encoder_aspect_write_callback_wrapper(FLAC__OggEncoderAspect *aspect, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, FLAC__bool is_last_block, FLAC__OggEncoderAspectWriteCallbackProxy write_callback, void *encoder, void *client_data);
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/ogg_helper.h

@@ -0,0 +1,44 @@
+/* libFLAC - Free Lossless Audio Codec
+ * Copyright (C) 2004-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__OGG_HELPER_H
+#define FLAC__PRIVATE__OGG_HELPER_H
+
+#include <ogg/ogg.h>
+#include "FLAC/stream_encoder.h" /* for FLAC__StreamEncoder */
+
+void simple_ogg_page__init(ogg_page *page);
+void simple_ogg_page__clear(ogg_page *page);
+FLAC__bool simple_ogg_page__get_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderReadCallback read_callback, void *client_data);
+FLAC__bool simple_ogg_page__set_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderWriteCallback write_callback, void *client_data);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/ogg_mapping.h

@@ -0,0 +1,64 @@
+/* libFLAC - Free Lossless Audio Codec
+ * Copyright (C) 2004-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__OGG_MAPPING_H
+#define FLAC__PRIVATE__OGG_MAPPING_H
+
+#include "FLAC/ordinals.h"
+
+/** The length of the packet type field in bytes. */
+#define FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH (1u)
+
+extern const unsigned FLAC__OGG_MAPPING_PACKET_TYPE_LEN; /* = 8 bits */
+
+extern const FLAC__byte FLAC__OGG_MAPPING_FIRST_HEADER_PACKET_TYPE; /* = 0x7f */
+
+/** The length of the 'FLAC' magic in bytes. */
+#define FLAC__OGG_MAPPING_MAGIC_LENGTH (4u)
+
+extern const FLAC__byte * const FLAC__OGG_MAPPING_MAGIC; /* = "FLAC" */
+
+extern const unsigned FLAC__OGG_MAPPING_VERSION_MAJOR_LEN; /* = 8 bits */
+extern const unsigned FLAC__OGG_MAPPING_VERSION_MINOR_LEN; /* = 8 bits */
+
+/** The length of the Ogg FLAC mapping major version number in bytes. */
+#define FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH (1u)
+
+/** The length of the Ogg FLAC mapping minor version number in bytes. */
+#define FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH (1u)
+
+extern const unsigned FLAC__OGG_MAPPING_NUM_HEADERS_LEN; /* = 16 bits */
+
+/** The length of the #-of-header-packets number bytes. */
+#define FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH (2u)
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/stream_encoder.h

@@ -0,0 +1,67 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__STREAM_ENCODER_H
+#define FLAC__PRIVATE__STREAM_ENCODER_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+/*
+ * This is used to avoid overflow with unusual signals in 32-bit
+ * accumulator in the *precompute_partition_info_sums_* functions.
+ */
+#define FLAC__MAX_EXTRA_RESIDUAL_BPS 4
+
+#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && defined FLAC__HAS_X86INTRIN
+#include "private/cpu.h"
+#include "FLAC/format.h"
+
+#ifdef FLAC__SSE2_SUPPORTED
+extern void FLAC__precompute_partition_info_sums_intrin_sse2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
+			unsigned residual_samples, unsigned predictor_order, unsigned min_partition_order, unsigned max_partition_order, unsigned bps);
+#endif
+
+#ifdef FLAC__SSSE3_SUPPORTED
+extern void FLAC__precompute_partition_info_sums_intrin_ssse3(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
+			unsigned residual_samples, unsigned predictor_order, unsigned min_partition_order, unsigned max_partition_order, unsigned bps);
+#endif
+
+#ifdef FLAC__AVX2_SUPPORTED
+extern void FLAC__precompute_partition_info_sums_intrin_avx2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
+			unsigned residual_samples, unsigned predictor_order, unsigned min_partition_order, unsigned max_partition_order, unsigned bps);
+#endif
+
+#endif
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/stream_encoder_framing.h

@@ -0,0 +1,46 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__STREAM_ENCODER_FRAMING_H
+#define FLAC__PRIVATE__STREAM_ENCODER_FRAMING_H
+
+#include "FLAC/format.h"
+#include "bitwriter.h"
+
+FLAC__bool FLAC__add_metadata_block(const FLAC__StreamMetadata *metadata, FLAC__BitWriter *bw);
+FLAC__bool FLAC__frame_add_header(const FLAC__FrameHeader *header, FLAC__BitWriter *bw);
+FLAC__bool FLAC__subframe_add_constant(const FLAC__Subframe_Constant *subframe, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw);
+FLAC__bool FLAC__subframe_add_fixed(const FLAC__Subframe_Fixed *subframe, unsigned residual_samples, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw);
+FLAC__bool FLAC__subframe_add_lpc(const FLAC__Subframe_LPC *subframe, unsigned residual_samples, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw);
+FLAC__bool FLAC__subframe_add_verbatim(const FLAC__Subframe_Verbatim *subframe, unsigned samples, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/private/window.h

@@ -0,0 +1,74 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2006-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PRIVATE__WINDOW_H
+#define FLAC__PRIVATE__WINDOW_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "private/float.h"
+#include "FLAC/format.h"
+
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+
+/*
+ *	FLAC__window_*()
+ *	--------------------------------------------------------------------
+ *	Calculates window coefficients according to different apodization
+ *	functions.
+ *
+ *	OUT window[0,L-1]
+ *	IN L (number of points in window)
+ */
+void FLAC__window_bartlett(FLAC__real *window, const FLAC__int32 L);
+void FLAC__window_bartlett_hann(FLAC__real *window, const FLAC__int32 L);
+void FLAC__window_blackman(FLAC__real *window, const FLAC__int32 L);
+void FLAC__window_blackman_harris_4term_92db_sidelobe(FLAC__real *window, const FLAC__int32 L);
+void FLAC__window_connes(FLAC__real *window, const FLAC__int32 L);
+void FLAC__window_flattop(FLAC__real *window, const FLAC__int32 L);
+void FLAC__window_gauss(FLAC__real *window, const FLAC__int32 L, const FLAC__real stddev); /* 0.0 < stddev <= 0.5 */
+void FLAC__window_hamming(FLAC__real *window, const FLAC__int32 L);
+void FLAC__window_hann(FLAC__real *window, const FLAC__int32 L);
+void FLAC__window_kaiser_bessel(FLAC__real *window, const FLAC__int32 L);
+void FLAC__window_nuttall(FLAC__real *window, const FLAC__int32 L);
+void FLAC__window_rectangle(FLAC__real *window, const FLAC__int32 L);
+void FLAC__window_triangle(FLAC__real *window, const FLAC__int32 L);
+void FLAC__window_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p);
+void FLAC__window_partial_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end);
+void FLAC__window_punchout_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end);
+void FLAC__window_welch(FLAC__real *window, const FLAC__int32 L);
+
+#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/protected/Makefile.am

@@ -0,0 +1,35 @@
+#  libFLAC - Free Lossless Audio Codec library
+#  Copyright (C) 2001-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#
+#  - Redistributions of source code must retain the above copyright
+#  notice, this list of conditions and the following disclaimer.
+#
+#  - Redistributions in binary form must reproduce the above copyright
+#  notice, this list of conditions and the following disclaimer in the
+#  documentation and/or other materials provided with the distribution.
+#
+#  - Neither the name of the Xiph.org Foundation nor the names of its
+#  contributors may be used to endorse or promote products derived from
+#  this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+#  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+noinst_HEADERS = \
+	all.h \
+	stream_decoder.h \
+	stream_encoder.h

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/protected/Makefile.in

@@ -0,0 +1,583 @@
+# Makefile.in generated by automake 1.15 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+
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+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
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+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+#  libFLAC - Free Lossless Audio Codec library
+#  Copyright (C) 2001-2009  Josh Coalson
+#  Copyright (C) 2011-2016  Xiph.Org Foundation
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#
+#  - Redistributions of source code must retain the above copyright
+#  notice, this list of conditions and the following disclaimer.
+#
+#  - Redistributions in binary form must reproduce the above copyright
+#  notice, this list of conditions and the following disclaimer in the
+#  documentation and/or other materials provided with the distribution.
+#
+#  - Neither the name of the Xiph.org Foundation nor the names of its
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+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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+XMMS_PLUGIN_DIR = @XMMS_PLUGIN_DIR@
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+XMMS_VISUALIZATION_PLUGIN_DIR = @XMMS_VISUALIZATION_PLUGIN_DIR@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_AR = @ac_ct_AR@
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+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+noinst_HEADERS = \
+	all.h \
+	stream_decoder.h \
+	stream_encoder.h
+
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/libFLAC/include/protected/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign src/libFLAC/include/protected/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(HEADERS)
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+install: install-am
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
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+html: html-am
+
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+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
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+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
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+pdf-am:
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+ps: ps-am
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+ps-am:
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+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+	clean-libtool cscopelist-am ctags ctags-am distclean \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am
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+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/protected/all.h

@@ -0,0 +1,39 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2001-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PROTECTED__ALL_H
+#define FLAC__PROTECTED__ALL_H
+
+#include "stream_decoder.h"
+#include "stream_encoder.h"
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/protected/stream_decoder.h

@@ -0,0 +1,60 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PROTECTED__STREAM_DECODER_H
+#define FLAC__PROTECTED__STREAM_DECODER_H
+
+#include "FLAC/stream_decoder.h"
+#if FLAC__HAS_OGG
+#include "private/ogg_decoder_aspect.h"
+#endif
+
+typedef struct FLAC__StreamDecoderProtected {
+	FLAC__StreamDecoderState state;
+	FLAC__StreamDecoderInitStatus initstate;
+	unsigned channels;
+	FLAC__ChannelAssignment channel_assignment;
+	unsigned bits_per_sample;
+	unsigned sample_rate; /* in Hz */
+	unsigned blocksize; /* in samples (per channel) */
+	FLAC__bool md5_checking; /* if true, generate MD5 signature of decoded data and compare against signature in the STREAMINFO metadata block */
+#if FLAC__HAS_OGG
+	FLAC__OggDecoderAspect ogg_decoder_aspect;
+#endif
+} FLAC__StreamDecoderProtected;
+
+/*
+ * return the number of input bytes consumed
+ */
+unsigned FLAC__stream_decoder_get_input_bytes_unconsumed(const FLAC__StreamDecoder *decoder);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/include/protected/stream_encoder.h

@@ -0,0 +1,118 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2001-2009  Josh Coalson
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FLAC__PROTECTED__STREAM_ENCODER_H
+#define FLAC__PROTECTED__STREAM_ENCODER_H
+
+#include "FLAC/stream_encoder.h"
+#if FLAC__HAS_OGG
+#include "private/ogg_encoder_aspect.h"
+#endif
+
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+
+#include "private/float.h"
+
+#define FLAC__MAX_APODIZATION_FUNCTIONS 32
+
+typedef enum {
+	FLAC__APODIZATION_BARTLETT,
+	FLAC__APODIZATION_BARTLETT_HANN,
+	FLAC__APODIZATION_BLACKMAN,
+	FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE,
+	FLAC__APODIZATION_CONNES,
+	FLAC__APODIZATION_FLATTOP,
+	FLAC__APODIZATION_GAUSS,
+	FLAC__APODIZATION_HAMMING,
+	FLAC__APODIZATION_HANN,
+	FLAC__APODIZATION_KAISER_BESSEL,
+	FLAC__APODIZATION_NUTTALL,
+	FLAC__APODIZATION_RECTANGLE,
+	FLAC__APODIZATION_TRIANGLE,
+	FLAC__APODIZATION_TUKEY,
+	FLAC__APODIZATION_PARTIAL_TUKEY,
+	FLAC__APODIZATION_PUNCHOUT_TUKEY,
+	FLAC__APODIZATION_WELCH
+} FLAC__ApodizationFunction;
+
+typedef struct {
+	FLAC__ApodizationFunction type;
+	union {
+		struct {
+			FLAC__real stddev;
+		} gauss;
+		struct {
+			FLAC__real p;
+		} tukey;
+		struct {
+			FLAC__real p;
+			FLAC__real start;
+			FLAC__real end;
+		} multiple_tukey;
+	} parameters;
+} FLAC__ApodizationSpecification;
+
+#endif // #ifndef FLAC__INTEGER_ONLY_LIBRARY
+
+typedef struct FLAC__StreamEncoderProtected {
+	FLAC__StreamEncoderState state;
+	FLAC__bool verify;
+	FLAC__bool streamable_subset;
+	FLAC__bool do_md5;
+	FLAC__bool do_mid_side_stereo;
+	FLAC__bool loose_mid_side_stereo;
+	unsigned channels;
+	unsigned bits_per_sample;
+	unsigned sample_rate;
+	unsigned blocksize;
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+	unsigned num_apodizations;
+	FLAC__ApodizationSpecification apodizations[FLAC__MAX_APODIZATION_FUNCTIONS];
+#endif
+	unsigned max_lpc_order;
+	unsigned qlp_coeff_precision;
+	FLAC__bool do_qlp_coeff_prec_search;
+	FLAC__bool do_exhaustive_model_search;
+	FLAC__bool do_escape_coding;
+	unsigned min_residual_partition_order;
+	unsigned max_residual_partition_order;
+	unsigned rice_parameter_search_dist;
+	FLAC__uint64 total_samples_estimate;
+	FLAC__StreamMetadata **metadata;
+	unsigned num_metadata_blocks;
+	FLAC__uint64 streaminfo_offset, seektable_offset, audio_offset;
+#if FLAC__HAS_OGG
+	FLAC__OggEncoderAspect ogg_encoder_aspect;
+#endif
+} FLAC__StreamEncoderProtected;
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/libFLAC.m4

@@ -0,0 +1,118 @@
+# Configure paths for libFLAC
+# "Inspired" by ogg.m4
+
+dnl AM_PATH_LIBFLAC([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+dnl Test for libFLAC, and define LIBFLAC_CFLAGS, LIBFLAC_LIBS, LIBFLAC_LIBDIR
+dnl
+AC_DEFUN([AM_PATH_LIBFLAC],
+[dnl 
+dnl Get the cflags and libraries
+dnl
+AC_ARG_WITH(libFLAC,[  --with-libFLAC=PFX   Prefix where libFLAC is installed (optional)], libFLAC_prefix="$withval", libFLAC_prefix="")
+AC_ARG_WITH(libFLAC-libraries,[  --with-libFLAC-libraries=DIR   Directory where libFLAC library is installed (optional)], libFLAC_libraries="$withval", libFLAC_libraries="")
+AC_ARG_WITH(libFLAC-includes,[  --with-libFLAC-includes=DIR   Directory where libFLAC header files are installed (optional)], libFLAC_includes="$withval", libFLAC_includes="")
+AC_ARG_ENABLE(libFLACtest, [  --disable-libFLACtest       Do not try to compile and run a test libFLAC program],, enable_libFLACtest=yes)
+
+  if test "x$libFLAC_libraries" != "x" ; then
+    LIBFLAC_LIBS="-L$libFLAC_libraries"
+  elif test "x$libFLAC_prefix" = "xno" || test "x$libFLAC_prefix" = "xyes" ; then
+    LIBFLAC_LIBS=""
+  elif test "x$libFLAC_prefix" != "x" ; then
+    LIBFLAC_LIBS="-L$libFLAC_prefix/lib"
+  elif test "x$prefix" != "xNONE"; then
+    LIBFLAC_LIBS="-L$prefix/lib"
+  fi
+
+  if test "x$libFLAC_prefix" != "xno" ; then
+    LIBFLAC_LIBS="$LIBFLAC_LIBS -lFLAC $OGG_LIBS -lm"
+  fi
+
+  if test "x$libFLAC_includes" != "x" ; then
+    LIBFLAC_CFLAGS="-I$libFLAC_includes"
+  elif test "x$libFLAC_prefix" != "x" ; then
+    LIBFLAC_CFLAGS="-I$libFLAC_prefix/include"
+  elif test "$prefix" != "xNONE"; then
+    LIBFLAC_CFLAGS=""
+  fi
+
+  AC_MSG_CHECKING(for libFLAC)
+  no_libFLAC=""
+
+
+  if test "x$enable_libFLACtest" = "xyes" ; then
+    ac_save_CFLAGS="$CFLAGS"
+    ac_save_CXXFLAGS="$CXXFLAGS"
+    ac_save_LIBS="$LIBS"
+    ac_save_LD_LIBRARY_PATH="$LD_LIBRARY_PATH"
+    CFLAGS="$CFLAGS $LIBFLAC_CFLAGS"
+    CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS"
+    LIBS="$LIBS $LIBFLAC_LIBS"
+    LD_LIBRARY_PATH="$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH"
+dnl
+dnl Now check if the installed libFLAC is sufficiently new.
+dnl
+      rm -f conf.libFLACtest
+      AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <FLAC/format.h>
+
+int main ()
+{
+  system("touch conf.libFLACtest");
+  return 0;
+}
+
+],, no_libFLAC=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+       CFLAGS="$ac_save_CFLAGS"
+       CXXFLAGS="$ac_save_CXXFLAGS"
+       LIBS="$ac_save_LIBS"
+       LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH"
+  fi
+
+  if test "x$no_libFLAC" = "x" ; then
+     AC_MSG_RESULT(yes)
+     ifelse([$1], , :, [$1])     
+  else
+     AC_MSG_RESULT(no)
+     if test -f conf.libFLACtest ; then
+       :
+     else
+       echo "*** Could not run libFLAC test program, checking why..."
+       CFLAGS="$CFLAGS $LIBFLAC_CFLAGS"
+       CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS"
+       LIBS="$LIBS $LIBFLAC_LIBS"
+       LD_LIBRARY_PATH="$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH"
+       AC_TRY_LINK([
+#include <stdio.h>
+#include <FLAC/format.h>
+],     [ return 0; ],
+       [ echo "*** The test program compiled, but did not run. This usually means"
+       echo "*** that the run-time linker is not finding libFLAC or finding the wrong"
+       echo "*** version of libFLAC. If it is not finding libFLAC, you'll need to set your"
+       echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+       echo "*** to the installed location  Also, make sure you have run ldconfig if that"
+       echo "*** is required on your system"
+       echo "***"
+       echo "*** If you have an old version installed, it is best to remove it, although"
+       echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
+       [ echo "*** The test program failed to compile or link. See the file config.log for the"
+       echo "*** exact error that occured. This usually means libFLAC was incorrectly installed"
+       echo "*** or that you have moved libFLAC since it was installed. In the latter case, you"
+       echo "*** may want to edit the libFLAC-config script: $LIBFLAC_CONFIG" ])
+       CFLAGS="$ac_save_CFLAGS"
+       CXXFLAGS="$ac_save_CXXFLAGS"
+       LIBS="$ac_save_LIBS"
+       LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH"
+     fi
+     LIBFLAC_CFLAGS=""
+     LIBFLAC_LIBDIR=""
+     LIBFLAC_LIBS=""
+     ifelse([$2], , :, [$2])
+  fi
+  AC_SUBST(LIBFLAC_CFLAGS)
+  AC_SUBST(LIBFLAC_LIBDIR)
+  AC_SUBST(LIBFLAC_LIBS)
+  rm -f conf.libFLACtest
+])

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/libFLAC_dynamic.vcproj

@@ -0,0 +1,550 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="libFLAC_dynamic"
+	ProjectGUID="{4cefbc83-c215-11db-8314-0800200c9a66}"
+	RootNamespace="libFLAC_dynamic"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="$(SolutionDir)objs\$(ConfigurationName)\lib"
+			IntermediateDirectory="$(ConfigurationName)_dynamic"
+			ConfigurationType="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions="/D &quot;_USE_MATH_DEFINES&quot;"
+				Optimization="0"
+				EnableIntrinsicFunctions="true"
+				AdditionalIncludeDirectories=".\include;..\..\include"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;FLAC_API_EXPORTS;FLAC__HAS_OGG;FLAC__CPU_IA32;FLAC__HAS_NASM;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;PACKAGE_VERSION=\&quot;1.3.2\&quot;;DEBUG;FLAC__OVERFLOW_DETECT"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="1"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="4"
+				CompileAs="0"
+				DisableSpecificWarnings="4267;4996"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="$(SolutionDir)objs\$(ConfigurationName)\lib\libogg_static.lib"
+				LinkIncremental="2"
+				IgnoreDefaultLibraryNames="uuid.lib"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="$(SolutionDir)objs\$(ConfigurationName)\lib"
+			IntermediateDirectory="$(ConfigurationName)_dynamic"
+			ConfigurationType="2"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions="/D &quot;_USE_MATH_DEFINES&quot;"
+				EnableIntrinsicFunctions="true"
+				FavorSizeOrSpeed="1"
+				OmitFramePointers="true"
+				WholeProgramOptimization="true"
+				AdditionalIncludeDirectories=".\include;..\..\include"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;FLAC_API_EXPORTS;FLAC__HAS_OGG;FLAC__CPU_IA32;FLAC__HAS_NASM;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;PACKAGE_VERSION=\&quot;1.3.2\&quot;;FLaC__INLINE=_inline"
+				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="3"
+				CompileAs="0"
+				DisableSpecificWarnings="4267;4996"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="$(SolutionDir)objs\$(ConfigurationName)\lib\libogg_static.lib"
+				LinkIncremental="1"
+				IgnoreDefaultLibraryNames="uuid.lib"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				LinkTimeCodeGeneration="1"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+			>
+			<File
+				RelativePath=".\include\protected\all.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\all.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\bitmath.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\bitreader.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\bitwriter.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\cpu.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\crc.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\fixed.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\float.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\format.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\lpc.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\md5.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\memory.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\metadata.h"
+				>
+			</File>
+			<File
+				RelativePath=".\ia32\nasm.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\ogg_decoder_aspect.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\ogg_encoder_aspect.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\ogg_helper.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\ogg_mapping.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\protected\stream_decoder.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\stream_encoder.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\protected\stream_encoder.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\stream_encoder_framing.h"
+				>
+			</File>
+			<File
+				RelativePath=".\include\private\window.h"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Source Files"
+			Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
+			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
+			>
+			<File
+				RelativePath=".\bitmath.c"
+				>
+			</File>
+			<File
+				RelativePath=".\bitreader.c"
+				>
+			</File>
+			<File
+				RelativePath=".\bitwriter.c"
+				>
+			</File>
+			<File
+				RelativePath=".\cpu.c"
+				>
+			</File>
+			<File
+				RelativePath=".\crc.c"
+				>
+			</File>
+			<File
+				RelativePath=".\fixed.c"
+				>
+			</File>
+			<File
+				RelativePath=".\fixed_intrin_sse2.c"
+				>
+			</File>
+			<File
+				RelativePath=".\fixed_intrin_ssse3.c"
+				>
+			</File>
+			<File
+				RelativePath=".\float.c"
+				>
+			</File>
+			<File
+				RelativePath=".\format.c"
+				>
+			</File>
+			<File
+				RelativePath=".\lpc.c"
+				>
+			</File>
+			<File
+				RelativePath=".\lpc_intrin_sse.c"
+				>
+			</File>
+			<File
+				RelativePath=".\lpc_intrin_sse2.c"
+				>
+			</File>
+			<File
+				RelativePath=".\lpc_intrin_sse41.c"
+				>
+			</File>
+			<File
+				RelativePath=".\md5.c"
+				>
+			</File>
+			<File
+				RelativePath=".\memory.c"
+				>
+			</File>
+			<File
+				RelativePath=".\metadata_iterators.c"
+				>
+			</File>
+			<File
+				RelativePath=".\metadata_object.c"
+				>
+			</File>
+			<File
+				RelativePath=".\ogg_decoder_aspect.c"
+				>
+			</File>
+			<File
+				RelativePath=".\ogg_encoder_aspect.c"
+				>
+			</File>
+			<File
+				RelativePath=".\ogg_helper.c"
+				>
+			</File>
+			<File
+				RelativePath=".\ogg_mapping.c"
+				>
+			</File>
+			<File
+				RelativePath=".\stream_decoder.c"
+				>
+			</File>
+			<File
+				RelativePath=".\stream_encoder.c"
+				>
+			</File>
+			<File
+				RelativePath=".\stream_encoder_framing.c"
+				>
+			</File>
+			<File
+				RelativePath=".\stream_encoder_intrin_sse2.c"
+				>
+			</File>
+			<File
+				RelativePath=".\stream_encoder_intrin_ssse3.c"
+				>
+			</File>
+			<File
+				RelativePath=".\window.c"
+				>
+			</File>
+			<File
+				RelativePath=".\windows_unicode_filenames.c"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Public Header Files"
+			>
+			<File
+				RelativePath="..\..\include\FLAC\all.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\share\alloc.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\FLAC\assert.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\FLAC\callback.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\share\compat.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\share\endswap.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\FLAC\export.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\FLAC\format.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\share\macros.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\FLAC\metadata.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\FLAC\ordinals.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\share\private.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\share\safe_str.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\FLAC\stream_decoder.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\FLAC\stream_encoder.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\include\share\windows_unicode_filenames.h"
+				>
+			</File>
+		</Filter>
+		<File
+			RelativePath=".\ia32\cpu_asm.nasm"
+			>
+			<FileConfiguration
+				Name="Debug|Win32"
+				>
+				<Tool
+					Name="VCCustomBuildTool"
+					CommandLine="nasm.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/cpu_asm.nasm -o ia32/cpu_asm.obj&#x0D;&#x0A;"
+					AdditionalDependencies="ia32/cpu_asm.nasm;ia32/nasm.h"
+					Outputs="ia32/cpu_asm.obj"
+				/>
+			</FileConfiguration>
+			<FileConfiguration
+				Name="Release|Win32"
+				>
+				<Tool
+					Name="VCCustomBuildTool"
+					CommandLine="nasm.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/cpu_asm.nasm -o ia32/cpu_asm.obj&#x0D;&#x0A;"
+					AdditionalDependencies="ia32/cpu_asm.nasm;ia32/nasm.h"
+					Outputs="ia32/cpu_asm.obj"
+				/>
+			</FileConfiguration>
+		</File>
+		<File
+			RelativePath=".\ia32\fixed_asm.nasm"
+			>
+			<FileConfiguration
+				Name="Debug|Win32"
+				>
+				<Tool
+					Name="VCCustomBuildTool"
+					CommandLine="nasm.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/fixed_asm.nasm -o ia32/fixed_asm.obj&#x0D;&#x0A;"
+					AdditionalDependencies="ia32/fixed_asm.nasm;ia32/nasm.h"
+					Outputs="ia32/fixed_asm.obj"
+				/>
+			</FileConfiguration>
+			<FileConfiguration
+				Name="Release|Win32"
+				>
+				<Tool
+					Name="VCCustomBuildTool"
+					CommandLine="nasm.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/fixed_asm.nasm -o ia32/fixed_asm.obj&#x0D;&#x0A;"
+					AdditionalDependencies="ia32/fixed_asm.nasm;ia32/nasm.h"
+					Outputs="ia32/fixed_asm.obj"
+				/>
+			</FileConfiguration>
+		</File>
+		<File
+			RelativePath=".\ia32\lpc_asm.nasm"
+			>
+			<FileConfiguration
+				Name="Debug|Win32"
+				>
+				<Tool
+					Name="VCCustomBuildTool"
+					CommandLine="nasm.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/lpc_asm.nasm -o ia32/lpc_asm.obj&#x0D;&#x0A;"
+					AdditionalDependencies="ia32/lpc_asm.nasm;ia32/nasm.h"
+					Outputs="ia32/lpc_asm.obj"
+				/>
+			</FileConfiguration>
+			<FileConfiguration
+				Name="Release|Win32"
+				>
+				<Tool
+					Name="VCCustomBuildTool"
+					CommandLine="nasm.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/lpc_asm.nasm -o ia32/lpc_asm.obj&#x0D;&#x0A;"
+					AdditionalDependencies="ia32/lpc_asm.nasm;ia32/nasm.h"
+					Outputs="ia32/lpc_asm.obj"
+				/>
+			</FileConfiguration>
+		</File>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>

libsdl2_mixer/external/flac-1.3.2/src/libFLAC/libFLAC_dynamic.vcxproj

@@ -0,0 +1,327 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{4cefbc83-c215-11db-8314-0800200c9a66}</ProjectGuid>
+    <RootNamespace>libFLAC_dynamic</RootNamespace>
+    <Keyword>Win32Proj</Keyword>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup>
+    <_ProjectFileVersion>12.0.30501.0</_ProjectFileVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <OutDir>$(SolutionDir)objs\$(Configuration)\lib\</OutDir>
+    <IntDir>$(Configuration)_dynamic\</IntDir>
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(SolutionDir)objs\$(Platform)\$(Configuration)\lib\</OutDir>
+    <IntDir>$(Platform)\$(Configuration)_dynamic\</IntDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <OutDir>$(SolutionDir)objs\$(Configuration)\lib\</OutDir>
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libsdl2_mixer/external/flac-1.3.2/src/libFLAC/libFLAC_static.vcproj

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