Built SDL2_image and _mixer static

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

@@ -0,0 +1,60 @@
+#  metaflac - Command-line FLAC metadata editor
+#  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 = metaflac
+
+AM_CFLAGS = @OGG_CFLAGS@
+AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include
+EXTRA_DIST = \
+	Makefile.lite \
+	metaflac.vcproj \
+	metaflac.vcxproj \
+	metaflac.vcxproj.filters
+
+metaflac_SOURCES = \
+	main.c \
+	operations.c \
+	operations_shorthand_cuesheet.c \
+	operations_shorthand_picture.c \
+	operations_shorthand_seektable.c \
+	operations_shorthand_streaminfo.c \
+	operations_shorthand_vorbiscomment.c \
+	options.c \
+	usage.c \
+	utils.c \
+	operations.h \
+	operations_shorthand.h \
+	options.h \
+	usage.h \
+	utils.h
+metaflac_LDFLAGS = $(AM_LDFLAGS)
+
+if OS_IS_WINDOWS
+win_utf8_lib = $(top_builddir)/src/share/win_utf8_io/libwin_utf8_io.la
+endif
+
+metaflac_LDADD = \
+	$(top_builddir)/src/share/grabbag/libgrabbag.la \
+	$(top_builddir)/src/share/replaygain_analysis/libreplaygain_analysis.la \
+	$(top_builddir)/src/share/getopt/libgetopt.la \
+	$(top_builddir)/src/share/utf8/libutf8.la \
+	$(top_builddir)/src/libFLAC/libFLAC.la \
+	$(win_utf8_lib) \
+	@LIBICONV@
+
+CLEANFILES = metaflac.exe

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

@@ -0,0 +1,750 @@
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+
+# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# 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@
+
+#  metaflac - Command-line FLAC metadata editor
+#  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.,
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+	$(metaflac_LDFLAGS) $(LDFLAGS) -o $@
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+EXTRA_DIST = \
+	Makefile.lite \
+	metaflac.vcproj \
+	metaflac.vcxproj \
+	metaflac.vcxproj.filters
+
+metaflac_SOURCES = \
+	main.c \
+	operations.c \
+	operations_shorthand_cuesheet.c \
+	operations_shorthand_picture.c \
+	operations_shorthand_seektable.c \
+	operations_shorthand_streaminfo.c \
+	operations_shorthand_vorbiscomment.c \
+	options.c \
+	usage.c \
+	utils.c \
+	operations.h \
+	operations_shorthand.h \
+	options.h \
+	usage.h \
+	utils.h
+
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+	$(top_builddir)/src/share/grabbag/libgrabbag.la \
+	$(top_builddir)/src/share/replaygain_analysis/libreplaygain_analysis.la \
+	$(top_builddir)/src/share/getopt/libgetopt.la \
+	$(top_builddir)/src/share/utf8/libutf8.la \
+	$(top_builddir)/src/libFLAC/libFLAC.la \
+	$(win_utf8_lib) \
+	@LIBICONV@
+
+CLEANFILES = metaflac.exe
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+
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+	      exit 1;; \
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+	    } \
+	; done
+
+uninstall-binPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(bindir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(bindir)" && rm -f $$files
+
+clean-binPROGRAMS:
+	@list='$(bin_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
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+	@rm -f metaflac$(EXEEXT)
+	$(AM_V_CCLD)$(metaflac_LINK) $(metaflac_OBJECTS) $(metaflac_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/main.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/operations.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/operations_shorthand_cuesheet.Po@am__quote@
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+	$(am__define_uniq_tagged_files); mkid -fID $$unique
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+	$(am__define_uniq_tagged_files); \
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+	      "$$@" $$unique; \
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+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
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+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
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+distclean-tags:
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+distdir: $(DISTFILES)
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
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+	fi
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+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
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libsdl2_mixer/external/flac-1.3.2/src/metaflac/Makefile.lite

@@ -0,0 +1,56 @@
+#  metaflac - Command-line FLAC metadata editor
+#  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 = metaflac
+
+INCLUDES = -I./include -I$(topdir)/include $(OGG_INCLUDES)
+
+ifeq ($(OS),Darwin)
+    EXPLICIT_LIBS = $(libdir)/libgrabbag.a $(libdir)/libFLAC.a $(libdir)/libreplaygain_analysis.a $(libdir)/libgetopt.a $(libdir)/libutf8.a $(OGG_EXPLICIT_LIBS) $(ICONV_LIBS) -lm
+else
+ifeq ($(findstring Windows,$(OS)),Windows)
+    LIBS = -lgrabbag -lFLAC -lreplaygain_analysis -lgetopt -lutf8 -lgrabbag -lwin_utf8_io $(OGG_LIBS) -lm
+else
+    LIBS = -lgrabbag -lFLAC -lreplaygain_analysis -lgetopt -lutf8 -lgrabbag $(OGG_LIBS) -lm
+endif
+endif
+
+SRCS_C = \
+	main.c \
+	operations.c \
+	operations_shorthand_cuesheet.c \
+	operations_shorthand_picture.c \
+	operations_shorthand_seektable.c \
+	operations_shorthand_streaminfo.c \
+	operations_shorthand_vorbiscomment.c \
+	options.c \
+	usage.c \
+	utils.c
+
+include $(topdir)/build/exe.mk
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.

libsdl2_mixer/external/flac-1.3.2/src/metaflac/main.c

@@ -0,0 +1,71 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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 "operations.h"
+#include "options.h"
+#include <locale.h>
+#include <stdlib.h>
+#include <string.h>
+#include "share/compat.h"
+
+int main(int argc, char *argv[])
+{
+	CommandLineOptions options;
+	int ret = 0;
+
+#ifdef __EMX__
+	_response(&argc, &argv);
+	_wildcard(&argc, &argv);
+#endif
+#ifdef _WIN32
+	if (get_utf8_argv(&argc, &argv) != 0) {
+		fputs("ERROR: failed to convert command line parameters to UTF-8\n", stderr);
+		return 1;
+	}
+#endif
+
+#ifdef _WIN32
+	{
+		const char *var;
+		var = getenv("LC_ALL");
+		if (!var)
+			var = getenv("LC_NUMERIC");
+		if (!var)
+			var = getenv("LANG");
+		if (!var || strcmp(var, "C") != 0)
+			setlocale(LC_ALL, "");
+	}
+#else
+	setlocale(LC_ALL, "");
+#endif
+	init_options(&options);
+
+	if ((ret = parse_options(argc, argv, &options)) == 0)
+		ret = !do_operations(&options);
+	else
+		ret = 1;
+
+	free_options(&options);
+
+	return ret;
+}

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

@@ -0,0 +1,251 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="metaflac"
+	ProjectGUID="{4cefbc87-c215-11db-8314-0800200c9a66}"
+	RootNamespace="metaflac"
+	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="$(ConfigurationName)"
+			ConfigurationType="1"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				EnableIntrinsicFunctions="true"
+				FavorSizeOrSpeed="1"
+				OmitFramePointers="true"
+				WholeProgramOptimization="true"
+				AdditionalIncludeDirectories=".;..\..\include"
+				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;FLAC__HAS_OGG;FLAC__NO_DLL"
+				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="3"
+				CompileAs="0"
+				DisableSpecificWarnings="4267;4996"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="$(SolutionDir)objs\$(ConfigurationName)\lib\libogg_static.lib"
+				LinkIncremental="1"
+				IgnoreDefaultLibraryNames="uuid.lib"
+				GenerateDebugInformation="true"
+				SubSystem="1"
+				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=".\operations.h"
+				>
+			</File>
+			<File
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libsdl2_mixer/external/flac-1.3.2/src/metaflac/metaflac.vcxproj

@@ -0,0 +1,214 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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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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+  </ImportGroup>
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+    <_ProjectFileVersion>12.0.30501.0</_ProjectFileVersion>
+  </PropertyGroup>
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+    <OutDir>$(SolutionDir)objs\$(Configuration)\bin\</OutDir>
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+    <LinkIncremental>true</LinkIncremental>
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <OutDir>$(SolutionDir)objs\$(Configuration)\bin\</OutDir>
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+      <MinimalRebuild>true</MinimalRebuild>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
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+      <CompileAs>Default</CompileAs>
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+    <Link>
+      <AdditionalDependencies>$(SolutionDir)objs\$(Configuration)\lib\libogg_static.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <IgnoreSpecificDefaultLibraries>uuid.lib;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
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+      <GenerateDebugInformation>true</GenerateDebugInformation>
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+      <AdditionalIncludeDirectories>.;..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;FLAC__HAS_OGG;FLAC__NO_DLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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+      <OptimizeReferences>true</OptimizeReferences>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
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+    </Link>
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libsdl2_mixer/external/flac-1.3.2/src/metaflac/metaflac.vcxproj.filters

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+      <Filter>Source Files</Filter>
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+    <ClCompile Include="operations_shorthand_vorbiscomment.c">
+      <Filter>Source Files</Filter>
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+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="usage.c">
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+  </ItemGroup>
+</Project>

libsdl2_mixer/external/flac-1.3.2/src/metaflac/operations.c

@@ -0,0 +1,671 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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 "operations.h"
+#include "usage.h"
+#include "utils.h"
+#include "FLAC/assert.h"
+#include "FLAC/metadata.h"
+#include "share/alloc.h"
+#include "share/grabbag.h"
+#include "share/compat.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "operations_shorthand.h"
+
+static void show_version(void);
+static FLAC__bool do_major_operation(const CommandLineOptions *options);
+static FLAC__bool do_major_operation_on_file(const char *filename, const CommandLineOptions *options);
+static FLAC__bool do_major_operation__list(const char *filename, FLAC__Metadata_Chain *chain, const CommandLineOptions *options);
+static FLAC__bool do_major_operation__append(FLAC__Metadata_Chain *chain, const CommandLineOptions *options);
+static FLAC__bool do_major_operation__remove(FLAC__Metadata_Chain *chain, const CommandLineOptions *options);
+static FLAC__bool do_major_operation__remove_all(FLAC__Metadata_Chain *chain, const CommandLineOptions *options);
+static FLAC__bool do_shorthand_operations(const CommandLineOptions *options);
+static FLAC__bool do_shorthand_operations_on_file(const char *filename, const CommandLineOptions *options);
+static FLAC__bool do_shorthand_operation(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool utf8_convert);
+static FLAC__bool do_shorthand_operation__add_replay_gain(char **filenames, unsigned num_files, FLAC__bool preserve_modtime, FLAC__bool scan);
+static FLAC__bool do_shorthand_operation__add_padding(const char *filename, FLAC__Metadata_Chain *chain, unsigned length, FLAC__bool *needs_write);
+
+static FLAC__bool passes_filter(const CommandLineOptions *options, const FLAC__StreamMetadata *block, unsigned block_number);
+static void write_metadata(const char *filename, FLAC__StreamMetadata *block, unsigned block_number, FLAC__bool raw, FLAC__bool hexdump_application);
+
+/* from operations_shorthand_seektable.c */
+extern FLAC__bool do_shorthand_operation__add_seekpoints(const char *filename, FLAC__Metadata_Chain *chain, const char *specification, FLAC__bool *needs_write);
+
+/* from operations_shorthand_streaminfo.c */
+extern FLAC__bool do_shorthand_operation__streaminfo(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write);
+
+/* from operations_shorthand_vorbiscomment.c */
+extern FLAC__bool do_shorthand_operation__vorbis_comment(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool raw);
+
+/* from operations_shorthand_cuesheet.c */
+extern FLAC__bool do_shorthand_operation__cuesheet(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write);
+
+/* from operations_shorthand_picture.c */
+extern FLAC__bool do_shorthand_operation__picture(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write);
+
+
+FLAC__bool do_operations(const CommandLineOptions *options)
+{
+	FLAC__bool ok = true;
+
+	if(options->show_long_help) {
+		long_usage(0);
+	}
+	if(options->show_version) {
+		show_version();
+	}
+	else if(options->args.checks.num_major_ops > 0) {
+		FLAC__ASSERT(options->args.checks.num_shorthand_ops == 0);
+		FLAC__ASSERT(options->args.checks.num_major_ops == 1);
+		FLAC__ASSERT(options->args.checks.num_major_ops == options->ops.num_operations);
+		ok = do_major_operation(options);
+	}
+	else if(options->args.checks.num_shorthand_ops > 0) {
+		FLAC__ASSERT(options->args.checks.num_shorthand_ops == options->ops.num_operations);
+		ok = do_shorthand_operations(options);
+	}
+
+	return ok;
+}
+
+/*
+ * local routines
+ */
+
+void show_version(void)
+{
+	printf("metaflac %s\n", FLAC__VERSION_STRING);
+}
+
+FLAC__bool do_major_operation(const CommandLineOptions *options)
+{
+	unsigned i;
+	FLAC__bool ok = true;
+
+	/* to die after first error,     v---  add '&& ok' here */
+	for(i = 0; i < options->num_files; i++)
+		ok &= do_major_operation_on_file(options->filenames[i], options);
+
+	return ok;
+}
+
+FLAC__bool do_major_operation_on_file(const char *filename, const CommandLineOptions *options)
+{
+	FLAC__bool ok = true, needs_write = false, is_ogg = false;
+	FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new();
+
+	if(0 == chain)
+		die("out of memory allocating chain");
+
+	/*@@@@ lame way of guessing the file type */
+	if(strlen(filename) >= 4 && (0 == strcmp(filename+strlen(filename)-4, ".oga") || 0 == strcmp(filename+strlen(filename)-4, ".ogg")))
+		is_ogg = true;
+
+	if(! (is_ogg? FLAC__metadata_chain_read_ogg(chain, filename) : FLAC__metadata_chain_read(chain, filename)) ) {
+		print_error_with_chain_status(chain, "%s: ERROR: reading metadata", filename);
+		FLAC__metadata_chain_delete(chain);
+		return false;
+	}
+
+	switch(options->ops.operations[0].type) {
+		case OP__LIST:
+			ok = do_major_operation__list(options->prefix_with_filename? filename : 0, chain, options);
+			break;
+		case OP__APPEND:
+			ok = do_major_operation__append(chain, options);
+			needs_write = true;
+			break;
+		case OP__REMOVE:
+			ok = do_major_operation__remove(chain, options);
+			needs_write = true;
+			break;
+		case OP__REMOVE_ALL:
+			ok = do_major_operation__remove_all(chain, options);
+			needs_write = true;
+			break;
+		case OP__MERGE_PADDING:
+			FLAC__metadata_chain_merge_padding(chain);
+			needs_write = true;
+			break;
+		case OP__SORT_PADDING:
+			FLAC__metadata_chain_sort_padding(chain);
+			needs_write = true;
+			break;
+		default:
+			FLAC__ASSERT(0);
+			return false;
+	}
+
+	if(ok && needs_write) {
+		if(options->use_padding)
+			FLAC__metadata_chain_sort_padding(chain);
+		ok = FLAC__metadata_chain_write(chain, options->use_padding, options->preserve_modtime);
+		if(!ok)
+			print_error_with_chain_status(chain, "%s: ERROR: writing FLAC file", filename);
+	}
+
+	FLAC__metadata_chain_delete(chain);
+
+	return ok;
+}
+
+FLAC__bool do_major_operation__list(const char *filename, FLAC__Metadata_Chain *chain, const CommandLineOptions *options)
+{
+	FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
+	FLAC__StreamMetadata *block;
+	FLAC__bool ok = true;
+	unsigned block_number;
+
+	if(0 == iterator)
+		die("out of memory allocating iterator");
+
+	FLAC__metadata_iterator_init(iterator, chain);
+
+	block_number = 0;
+	do {
+		block = FLAC__metadata_iterator_get_block(iterator);
+		ok &= (0 != block);
+		if(!ok)
+			flac_fprintf(stderr, "%s: ERROR: couldn't get block from chain\n", filename);
+		else if(passes_filter(options, FLAC__metadata_iterator_get_block(iterator), block_number))
+			write_metadata(filename, block, block_number, !options->utf8_convert, options->application_data_format_is_hexdump);
+		block_number++;
+	} while(ok && FLAC__metadata_iterator_next(iterator));
+
+	FLAC__metadata_iterator_delete(iterator);
+
+	return ok;
+}
+
+FLAC__bool do_major_operation__append(FLAC__Metadata_Chain *chain, const CommandLineOptions *options)
+{
+	(void) chain, (void) options;
+	flac_fprintf(stderr, "ERROR: --append not implemented yet\n");
+	return false;
+}
+
+FLAC__bool do_major_operation__remove(FLAC__Metadata_Chain *chain, const CommandLineOptions *options)
+{
+	FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
+	FLAC__bool ok = true;
+	unsigned block_number;
+
+	if(0 == iterator)
+		die("out of memory allocating iterator");
+
+	FLAC__metadata_iterator_init(iterator, chain);
+
+	block_number = 0;
+	while(ok && FLAC__metadata_iterator_next(iterator)) {
+		block_number++;
+		if(passes_filter(options, FLAC__metadata_iterator_get_block(iterator), block_number)) {
+			ok &= FLAC__metadata_iterator_delete_block(iterator, options->use_padding);
+			if(options->use_padding)
+				ok &= FLAC__metadata_iterator_next(iterator);
+		}
+	}
+
+	FLAC__metadata_iterator_delete(iterator);
+
+	return ok;
+}
+
+FLAC__bool do_major_operation__remove_all(FLAC__Metadata_Chain *chain, const CommandLineOptions *options)
+{
+	FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
+	FLAC__bool ok = true;
+
+	if(0 == iterator)
+		die("out of memory allocating iterator");
+
+	FLAC__metadata_iterator_init(iterator, chain);
+
+	while(ok && FLAC__metadata_iterator_next(iterator)) {
+		ok &= FLAC__metadata_iterator_delete_block(iterator, options->use_padding);
+		if(options->use_padding)
+			ok &= FLAC__metadata_iterator_next(iterator);
+	}
+
+	FLAC__metadata_iterator_delete(iterator);
+
+	return ok;
+}
+
+FLAC__bool do_shorthand_operations(const CommandLineOptions *options)
+{
+	unsigned i;
+	FLAC__bool ok = true;
+
+	/* to die after first error,     v---  add '&& ok' here */
+	for(i = 0; i < options->num_files; i++)
+		ok &= do_shorthand_operations_on_file(options->filenames[i], options);
+
+	/* check if OP__ADD_REPLAY_GAIN requested */
+	if(ok && options->num_files > 0) {
+		for(i = 0; i < options->ops.num_operations; i++) {
+			if(options->ops.operations[i].type == OP__ADD_REPLAY_GAIN)
+				ok = do_shorthand_operation__add_replay_gain(options->filenames, options->num_files, options->preserve_modtime, false);
+			else if(options->ops.operations[i].type == OP__SCAN_REPLAY_GAIN)
+				ok = do_shorthand_operation__add_replay_gain(options->filenames, options->num_files, options->preserve_modtime, true);
+		}
+	}
+
+	return ok;
+}
+
+FLAC__bool do_shorthand_operations_on_file(const char *filename, const CommandLineOptions *options)
+{
+	unsigned i;
+	FLAC__bool ok = true, needs_write = false, use_padding = options->use_padding;
+	FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new();
+
+	if(0 == chain)
+		die("out of memory allocating chain");
+
+	if(!FLAC__metadata_chain_read(chain, filename)) {
+		print_error_with_chain_status(chain, "%s: ERROR: reading metadata", filename);
+		return false;
+	}
+
+	for(i = 0; i < options->ops.num_operations && ok; i++) {
+		/*
+		 * Do OP__ADD_SEEKPOINT last to avoid decoding twice if both
+		 * --add-seekpoint and --import-cuesheet-from are used.
+		 */
+		if(options->ops.operations[i].type != OP__ADD_SEEKPOINT)
+			ok &= do_shorthand_operation(filename, options->prefix_with_filename, chain, &options->ops.operations[i], &needs_write, options->utf8_convert);
+
+		/* The following seems counterintuitive but the meaning
+		 * of 'use_padding' is 'try to keep the overall metadata
+		 * to its original size, adding or truncating extra
+		 * padding if necessary' which is why we need to turn it
+		 * off in this case.  If we don't, the extra padding block
+		 * will just be truncated.
+		 */
+		if(options->ops.operations[i].type == OP__ADD_PADDING)
+			use_padding = false;
+	}
+
+	/*
+	 * Do OP__ADD_SEEKPOINT last to avoid decoding twice if both
+	 * --add-seekpoint and --import-cuesheet-from are used.
+	 */
+	for(i = 0; i < options->ops.num_operations && ok; i++) {
+		if(options->ops.operations[i].type == OP__ADD_SEEKPOINT)
+			ok &= do_shorthand_operation(filename, options->prefix_with_filename, chain, &options->ops.operations[i], &needs_write, options->utf8_convert);
+	}
+
+	if(ok && needs_write) {
+		if(use_padding)
+			FLAC__metadata_chain_sort_padding(chain);
+		ok = FLAC__metadata_chain_write(chain, use_padding, options->preserve_modtime);
+		if(!ok)
+			print_error_with_chain_status(chain, "%s: ERROR: writing FLAC file", filename);
+	}
+
+	FLAC__metadata_chain_delete(chain);
+
+	return ok;
+}
+
+FLAC__bool do_shorthand_operation(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool utf8_convert)
+{
+	FLAC__bool ok = true;
+
+	switch(operation->type) {
+		case OP__SHOW_MD5SUM:
+		case OP__SHOW_MIN_BLOCKSIZE:
+		case OP__SHOW_MAX_BLOCKSIZE:
+		case OP__SHOW_MIN_FRAMESIZE:
+		case OP__SHOW_MAX_FRAMESIZE:
+		case OP__SHOW_SAMPLE_RATE:
+		case OP__SHOW_CHANNELS:
+		case OP__SHOW_BPS:
+		case OP__SHOW_TOTAL_SAMPLES:
+		case OP__SET_MD5SUM:
+		case OP__SET_MIN_BLOCKSIZE:
+		case OP__SET_MAX_BLOCKSIZE:
+		case OP__SET_MIN_FRAMESIZE:
+		case OP__SET_MAX_FRAMESIZE:
+		case OP__SET_SAMPLE_RATE:
+		case OP__SET_CHANNELS:
+		case OP__SET_BPS:
+		case OP__SET_TOTAL_SAMPLES:
+			ok = do_shorthand_operation__streaminfo(filename, prefix_with_filename, chain, operation, needs_write);
+			break;
+		case OP__SHOW_VC_VENDOR:
+		case OP__SHOW_VC_FIELD:
+		case OP__REMOVE_VC_ALL:
+		case OP__REMOVE_VC_FIELD:
+		case OP__REMOVE_VC_FIRSTFIELD:
+		case OP__SET_VC_FIELD:
+		case OP__IMPORT_VC_FROM:
+		case OP__EXPORT_VC_TO:
+			ok = do_shorthand_operation__vorbis_comment(filename, prefix_with_filename, chain, operation, needs_write, !utf8_convert);
+			break;
+		case OP__IMPORT_CUESHEET_FROM:
+		case OP__EXPORT_CUESHEET_TO:
+			ok = do_shorthand_operation__cuesheet(filename, chain, operation, needs_write);
+			break;
+		case OP__IMPORT_PICTURE_FROM:
+		case OP__EXPORT_PICTURE_TO:
+			ok = do_shorthand_operation__picture(filename, chain, operation, needs_write);
+			break;
+		case OP__ADD_SEEKPOINT:
+			ok = do_shorthand_operation__add_seekpoints(filename, chain, operation->argument.add_seekpoint.specification, needs_write);
+			break;
+		case OP__ADD_REPLAY_GAIN:
+		case OP__SCAN_REPLAY_GAIN:
+			/* these commands are always executed last */
+			ok = true;
+			break;
+		case OP__ADD_PADDING:
+			ok = do_shorthand_operation__add_padding(filename, chain, operation->argument.add_padding.length, needs_write);
+			break;
+		default:
+			ok = false;
+			FLAC__ASSERT(0);
+			break;
+	};
+
+	return ok;
+}
+
+FLAC__bool do_shorthand_operation__add_replay_gain(char **filenames, unsigned num_files, FLAC__bool preserve_modtime, FLAC__bool scan)
+{
+	FLAC__StreamMetadata streaminfo;
+	float *title_gains = 0, *title_peaks = 0;
+	float album_gain, album_peak;
+	unsigned sample_rate = 0;
+	unsigned bits_per_sample = 0;
+	unsigned channels = 0;
+	unsigned i;
+	const char *error;
+	FLAC__bool first = true;
+
+	FLAC__ASSERT(num_files > 0);
+
+	for(i = 0; i < num_files; i++) {
+		FLAC__ASSERT(0 != filenames[i]);
+		if(!FLAC__metadata_get_streaminfo(filenames[i], &streaminfo)) {
+			flac_fprintf(stderr, "%s: ERROR: can't open file or get STREAMINFO block\n", filenames[i]);
+			return false;
+		}
+		if(first) {
+			first = false;
+			sample_rate = streaminfo.data.stream_info.sample_rate;
+			bits_per_sample = streaminfo.data.stream_info.bits_per_sample;
+			channels = streaminfo.data.stream_info.channels;
+		}
+		else {
+			if(sample_rate != streaminfo.data.stream_info.sample_rate) {
+				flac_fprintf(stderr, "%s: ERROR: sample rate of %u Hz does not match previous files' %u Hz\n", filenames[i], streaminfo.data.stream_info.sample_rate, sample_rate);
+				return false;
+			}
+			if(bits_per_sample != streaminfo.data.stream_info.bits_per_sample) {
+				flac_fprintf(stderr, "%s: ERROR: resolution of %u bps does not match previous files' %u bps\n", filenames[i], streaminfo.data.stream_info.bits_per_sample, bits_per_sample);
+				return false;
+			}
+			if(channels != streaminfo.data.stream_info.channels) {
+				flac_fprintf(stderr, "%s: ERROR: # channels (%u) does not match previous files' (%u)\n", filenames[i], streaminfo.data.stream_info.channels, channels);
+				return false;
+			}
+		}
+		if(!grabbag__replaygain_is_valid_sample_frequency(sample_rate)) {
+			flac_fprintf(stderr, "%s: ERROR: sample rate of %u Hz is not supported\n", filenames[i], sample_rate);
+			return false;
+		}
+		if(channels != 1 && channels != 2) {
+			flac_fprintf(stderr, "%s: ERROR: # of channels (%u) is not supported, must be 1 or 2\n", filenames[i], channels);
+			return false;
+		}
+	}
+	FLAC__ASSERT(bits_per_sample >= FLAC__MIN_BITS_PER_SAMPLE && bits_per_sample <= FLAC__MAX_BITS_PER_SAMPLE);
+
+	if(!grabbag__replaygain_init(sample_rate)) {
+		FLAC__ASSERT(0);
+		/* double protection */
+		flac_fprintf(stderr, "internal error\n");
+		return false;
+	}
+
+	if(
+		0 == (title_gains = safe_malloc_mul_2op_(sizeof(float), /*times*/num_files)) ||
+		0 == (title_peaks = safe_malloc_mul_2op_(sizeof(float), /*times*/num_files))
+	)
+		die("out of memory allocating space for title gains/peaks");
+
+	for(i = 0; i < num_files; i++) {
+		if(0 != (error = grabbag__replaygain_analyze_file(filenames[i], title_gains+i, title_peaks+i))) {
+			flac_fprintf(stderr, "%s: ERROR: during analysis (%s)\n", filenames[i], error);
+			free(title_gains);
+			free(title_peaks);
+			return false;
+		}
+	}
+	grabbag__replaygain_get_album(&album_gain, &album_peak);
+
+	for(i = 0; i < num_files; i++) {
+		if(!scan) {
+			if(0 != (error = grabbag__replaygain_store_to_file(filenames[i], album_gain, album_peak, title_gains[i], title_peaks[i], preserve_modtime))) {
+				flac_fprintf(stderr, "%s: ERROR: writing tags (%s)\n", filenames[i], error);
+				free(title_gains);
+				free(title_peaks);
+				return false;
+			}
+		} else {
+			flac_fprintf(stdout, "%s: %f %f %f %f\n", filenames[i], album_gain, album_peak, title_gains[i], title_peaks[i]);
+		}
+	}
+
+	free(title_gains);
+	free(title_peaks);
+	return true;
+}
+
+FLAC__bool do_shorthand_operation__add_padding(const char *filename, FLAC__Metadata_Chain *chain, unsigned length, FLAC__bool *needs_write)
+{
+	FLAC__StreamMetadata *padding = 0;
+	FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
+
+	if(0 == iterator)
+		die("out of memory allocating iterator");
+
+	FLAC__metadata_iterator_init(iterator, chain);
+
+	while(FLAC__metadata_iterator_next(iterator))
+		;
+
+	padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING);
+	if(0 == padding)
+		die("out of memory allocating PADDING block");
+
+	padding->length = length;
+
+	if(!FLAC__metadata_iterator_insert_block_after(iterator, padding)) {
+		print_error_with_chain_status(chain, "%s: ERROR: adding new PADDING block to metadata", filename);
+		FLAC__metadata_object_delete(padding);
+		FLAC__metadata_iterator_delete(iterator);
+		return false;
+	}
+
+	FLAC__metadata_iterator_delete(iterator);
+	*needs_write = true;
+	return true;
+}
+
+FLAC__bool passes_filter(const CommandLineOptions *options, const FLAC__StreamMetadata *block, unsigned block_number)
+{
+	unsigned i, j;
+	FLAC__bool matches_number = false, matches_type = false;
+	FLAC__bool has_block_number_arg = false;
+
+	for(i = 0; i < options->args.num_arguments; i++) {
+		if(options->args.arguments[i].type == ARG__BLOCK_TYPE || options->args.arguments[i].type == ARG__EXCEPT_BLOCK_TYPE) {
+			for(j = 0; j < options->args.arguments[i].value.block_type.num_entries; j++) {
+				if(options->args.arguments[i].value.block_type.entries[j].type == block->type) {
+					if(block->type != FLAC__METADATA_TYPE_APPLICATION || !options->args.arguments[i].value.block_type.entries[j].filter_application_by_id || 0 == memcmp(options->args.arguments[i].value.block_type.entries[j].application_id, block->data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8))
+						matches_type = true;
+				}
+			}
+		}
+		else if(options->args.arguments[i].type == ARG__BLOCK_NUMBER) {
+			has_block_number_arg = true;
+			for(j = 0; j < options->args.arguments[i].value.block_number.num_entries; j++) {
+				if(options->args.arguments[i].value.block_number.entries[j] == block_number)
+					matches_number = true;
+			}
+		}
+	}
+
+	if(!has_block_number_arg)
+		matches_number = true;
+
+	if(options->args.checks.has_block_type) {
+		FLAC__ASSERT(!options->args.checks.has_except_block_type);
+	}
+	else if(options->args.checks.has_except_block_type)
+		matches_type = !matches_type;
+	else
+		matches_type = true;
+
+	return matches_number && matches_type;
+}
+
+void write_metadata(const char *filename, FLAC__StreamMetadata *block, unsigned block_number, FLAC__bool raw, FLAC__bool hexdump_application)
+{
+	unsigned i, j;
+
+/*@@@ yuck, should do this with a varargs function or something: */
+#define PPR if(filename) { if(raw) printf("%s:",filename); else flac_printf("%s:",filename); }
+	PPR; printf("METADATA block #%u\n", block_number);
+	PPR; printf("  type: %u (%s)\n", (unsigned)block->type, block->type < FLAC__METADATA_TYPE_UNDEFINED? FLAC__MetadataTypeString[block->type] : "UNKNOWN");
+	PPR; printf("  is last: %s\n", block->is_last? "true":"false");
+	PPR; printf("  length: %u\n", block->length);
+
+	switch(block->type) {
+		case FLAC__METADATA_TYPE_STREAMINFO:
+			PPR; printf("  minimum blocksize: %u samples\n", block->data.stream_info.min_blocksize);
+			PPR; printf("  maximum blocksize: %u samples\n", block->data.stream_info.max_blocksize);
+			PPR; printf("  minimum framesize: %u bytes\n", block->data.stream_info.min_framesize);
+			PPR; printf("  maximum framesize: %u bytes\n", block->data.stream_info.max_framesize);
+			PPR; printf("  sample_rate: %u Hz\n", block->data.stream_info.sample_rate);
+			PPR; printf("  channels: %u\n", block->data.stream_info.channels);
+			PPR; printf("  bits-per-sample: %u\n", block->data.stream_info.bits_per_sample);
+			PPR; printf("  total samples: %" PRIu64 "\n", block->data.stream_info.total_samples);
+			PPR; printf("  MD5 signature: ");
+			for(i = 0; i < 16; i++) {
+				printf("%02x", (unsigned)block->data.stream_info.md5sum[i]);
+			}
+			printf("\n");
+			break;
+		case FLAC__METADATA_TYPE_PADDING:
+			/* nothing to print */
+			break;
+		case FLAC__METADATA_TYPE_APPLICATION:
+			PPR; printf("  application ID: ");
+			for(i = 0; i < 4; i++)
+				printf("%02x", block->data.application.id[i]);
+			printf("\n");
+			PPR; printf("  data contents:\n");
+			if(0 != block->data.application.data) {
+				if(hexdump_application)
+					hexdump(filename, block->data.application.data, block->length - FLAC__STREAM_METADATA_HEADER_LENGTH, "    ");
+				else
+					(void) local_fwrite(block->data.application.data, 1, block->length - FLAC__STREAM_METADATA_HEADER_LENGTH, stdout);
+			}
+			break;
+		case FLAC__METADATA_TYPE_SEEKTABLE:
+			PPR; printf("  seek points: %u\n", block->data.seek_table.num_points);
+			for(i = 0; i < block->data.seek_table.num_points; i++) {
+				if(block->data.seek_table.points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER) {
+					PPR; printf("    point %u: sample_number=%" PRIu64 ", stream_offset=%" PRIu64 ", frame_samples=%u\n", i, block->data.seek_table.points[i].sample_number, block->data.seek_table.points[i].stream_offset, block->data.seek_table.points[i].frame_samples);
+				}
+				else {
+					PPR; printf("    point %u: PLACEHOLDER\n", i);
+				}
+			}
+			break;
+		case FLAC__METADATA_TYPE_VORBIS_COMMENT:
+			PPR; printf("  vendor string: ");
+			write_vc_field(0, &block->data.vorbis_comment.vendor_string, raw, stdout);
+			PPR; printf("  comments: %u\n", block->data.vorbis_comment.num_comments);
+			for(i = 0; i < block->data.vorbis_comment.num_comments; i++) {
+				PPR; printf("    comment[%u]: ", i);
+				write_vc_field(0, &block->data.vorbis_comment.comments[i], raw, stdout);
+			}
+			break;
+		case FLAC__METADATA_TYPE_CUESHEET:
+			PPR; printf("  media catalog number: %s\n", block->data.cue_sheet.media_catalog_number);
+			PPR; printf("  lead-in: %" PRIu64 "\n", block->data.cue_sheet.lead_in);
+			PPR; printf("  is CD: %s\n", block->data.cue_sheet.is_cd? "true":"false");
+			PPR; printf("  number of tracks: %u\n", block->data.cue_sheet.num_tracks);
+			for(i = 0; i < block->data.cue_sheet.num_tracks; i++) {
+				const FLAC__StreamMetadata_CueSheet_Track *track = block->data.cue_sheet.tracks+i;
+				const FLAC__bool is_last = (i == block->data.cue_sheet.num_tracks-1);
+				const FLAC__bool is_leadout = is_last && track->num_indices == 0;
+				PPR; printf("    track[%u]\n", i);
+				PPR; printf("      offset: %" PRIu64 "\n", track->offset);
+				if(is_last) {
+					PPR; printf("      number: %u (%s)\n", (unsigned)track->number, is_leadout? "LEAD-OUT" : "INVALID");
+				}
+				else {
+					PPR; printf("      number: %u\n", (unsigned)track->number);
+				}
+				if(!is_leadout) {
+					PPR; printf("      ISRC: %s\n", track->isrc);
+					PPR; printf("      type: %s\n", track->type == 1? "DATA" : "AUDIO");
+					PPR; printf("      pre-emphasis: %s\n", track->pre_emphasis? "true":"false");
+					PPR; printf("      number of index points: %u\n", track->num_indices);
+					for(j = 0; j < track->num_indices; j++) {
+						const FLAC__StreamMetadata_CueSheet_Index *indx = track->indices+j;
+						PPR; printf("        index[%u]\n", j);
+						PPR; printf("          offset: %" PRIu64 "\n", indx->offset);
+						PPR; printf("          number: %u\n", (unsigned)indx->number);
+					}
+				}
+			}
+			break;
+		case FLAC__METADATA_TYPE_PICTURE:
+			PPR; printf("  type: %u (%s)\n", block->data.picture.type, block->data.picture.type < FLAC__STREAM_METADATA_PICTURE_TYPE_UNDEFINED? FLAC__StreamMetadata_Picture_TypeString[block->data.picture.type] : "UNDEFINED");
+			PPR; printf("  MIME type: %s\n", block->data.picture.mime_type);
+			PPR; printf("  description: %s\n", block->data.picture.description);
+			PPR; printf("  width: %u\n", (unsigned)block->data.picture.width);
+			PPR; printf("  height: %u\n", (unsigned)block->data.picture.height);
+			PPR; printf("  depth: %u\n", (unsigned)block->data.picture.depth);
+			PPR; printf("  colors: %u%s\n", (unsigned)block->data.picture.colors, block->data.picture.colors? "" : " (unindexed)");
+			PPR; printf("  data length: %u\n", (unsigned)block->data.picture.data_length);
+			PPR; printf("  data:\n");
+			if(0 != block->data.picture.data)
+				hexdump(filename, block->data.picture.data, block->data.picture.data_length, "    ");
+			break;
+		default:
+			PPR; printf("  data contents:\n");
+			if(0 != block->data.unknown.data)
+				hexdump(filename, block->data.unknown.data, block->length, "    ");
+			break;
+	}
+#undef PPR
+}

libsdl2_mixer/external/flac-1.3.2/src/metaflac/operations.h

@@ -0,0 +1,27 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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 metaflac__operations_h
+#define metaflac__operations_h
+
+#include "options.h"
+
+FLAC__bool do_operations(const CommandLineOptions *options);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/metaflac/operations_shorthand.h

@@ -0,0 +1,26 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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.
+ */
+
+#include "options.h"
+
+FLAC__bool do_shorthand_operation__picture(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write);
+FLAC__bool do_shorthand_operation__cuesheet(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write);
+FLAC__bool do_shorthand_operation__add_seekpoints(const char *filename, FLAC__Metadata_Chain *chain, const char *specification, FLAC__bool *needs_write);
+FLAC__bool do_shorthand_operation__streaminfo(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write);
+FLAC__bool do_shorthand_operation__vorbis_comment(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool raw);

libsdl2_mixer/external/flac-1.3.2/src/metaflac/operations_shorthand_cuesheet.c

@@ -0,0 +1,214 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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 <string.h>
+#include "options.h"
+#include "utils.h"
+#include "FLAC/assert.h"
+#include "share/grabbag.h"
+#include "share/compat.h"
+#include "operations_shorthand.h"
+
+static FLAC__bool import_cs_from(const char *filename, FLAC__StreamMetadata **cuesheet, const char *cs_filename, FLAC__bool *needs_write, FLAC__uint64 lead_out_offset, unsigned sample_rate, FLAC__bool is_cdda, Argument_AddSeekpoint *add_seekpoint_link);
+static FLAC__bool export_cs_to(const char *filename, const FLAC__StreamMetadata *cuesheet, const char *cs_filename);
+
+FLAC__bool do_shorthand_operation__cuesheet(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write)
+{
+	FLAC__bool ok = true;
+	FLAC__StreamMetadata *cuesheet = 0;
+	FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
+	FLAC__uint64 lead_out_offset = 0;
+	FLAC__bool is_cdda = false;
+	unsigned sample_rate = 0;
+
+	if(0 == iterator)
+		die("out of memory allocating iterator");
+
+	FLAC__metadata_iterator_init(iterator, chain);
+
+	do {
+		FLAC__StreamMetadata *block = FLAC__metadata_iterator_get_block(iterator);
+		if(block->type == FLAC__METADATA_TYPE_STREAMINFO) {
+			lead_out_offset = block->data.stream_info.total_samples;
+			if(lead_out_offset == 0) {
+				flac_fprintf(stderr, "%s: ERROR: FLAC file must have total_samples set in STREAMINFO in order to import/export cuesheet\n", filename);
+				FLAC__metadata_iterator_delete(iterator);
+				return false;
+			}
+			sample_rate = block->data.stream_info.sample_rate;
+			is_cdda = (block->data.stream_info.channels == 1 || block->data.stream_info.channels == 2) && (block->data.stream_info.bits_per_sample == 16) && (sample_rate == 44100);
+		}
+		else if(block->type == FLAC__METADATA_TYPE_CUESHEET)
+			cuesheet = block;
+	} while(FLAC__metadata_iterator_next(iterator));
+
+	if(lead_out_offset == 0) {
+		flac_fprintf(stderr, "%s: ERROR: FLAC stream has no STREAMINFO block\n", filename);
+		FLAC__metadata_iterator_delete(iterator);
+		return false;
+	}
+
+	switch(operation->type) {
+		case OP__IMPORT_CUESHEET_FROM:
+			if(0 != cuesheet) {
+				flac_fprintf(stderr, "%s: ERROR: FLAC file already has CUESHEET block\n", filename);
+				ok = false;
+			}
+			else {
+				ok = import_cs_from(filename, &cuesheet, operation->argument.import_cuesheet_from.filename, needs_write, lead_out_offset, sample_rate, is_cdda, operation->argument.import_cuesheet_from.add_seekpoint_link);
+				if(ok) {
+					/* append CUESHEET block */
+					while(FLAC__metadata_iterator_next(iterator))
+						;
+					if(!FLAC__metadata_iterator_insert_block_after(iterator, cuesheet)) {
+						print_error_with_chain_status(chain, "%s: ERROR: adding new CUESHEET block to metadata", filename);
+						FLAC__metadata_object_delete(cuesheet);
+						ok = false;
+					}
+				}
+			}
+			break;
+		case OP__EXPORT_CUESHEET_TO:
+			if(0 == cuesheet) {
+				flac_fprintf(stderr, "%s: ERROR: FLAC file has no CUESHEET block\n", filename);
+				ok = false;
+			}
+			else
+				ok = export_cs_to(filename, cuesheet, operation->argument.filename.value);
+			break;
+		default:
+			ok = false;
+			FLAC__ASSERT(0);
+			break;
+	};
+
+	FLAC__metadata_iterator_delete(iterator);
+	return ok;
+}
+
+/*
+ * local routines
+ */
+
+FLAC__bool import_cs_from(const char *filename, FLAC__StreamMetadata **cuesheet, const char *cs_filename, FLAC__bool *needs_write, FLAC__uint64 lead_out_offset, unsigned sample_rate, FLAC__bool is_cdda, Argument_AddSeekpoint *add_seekpoint_link)
+{
+	FILE *f;
+	const char *error_message;
+	char **seekpoint_specification = add_seekpoint_link? &(add_seekpoint_link->specification) : 0;
+	unsigned last_line_read;
+
+	if(0 == cs_filename || strlen(cs_filename) == 0) {
+		flac_fprintf(stderr, "%s: ERROR: empty import file name\n", filename);
+		return false;
+	}
+	if(0 == strcmp(cs_filename, "-"))
+		f = stdin;
+	else
+		f = flac_fopen(cs_filename, "r");
+
+	if(0 == f) {
+		flac_fprintf(stderr, "%s: ERROR: can't open import file %s: %s\n", filename, cs_filename, strerror(errno));
+		return false;
+	}
+
+	*cuesheet = grabbag__cuesheet_parse(f, &error_message, &last_line_read, sample_rate, is_cdda, lead_out_offset);
+
+	if(f != stdin)
+		fclose(f);
+
+	if(0 == *cuesheet) {
+		flac_fprintf(stderr, "%s: ERROR: while parsing cuesheet \"%s\" on line %u: %s\n", filename, cs_filename, last_line_read, error_message);
+		return false;
+	}
+
+	if(!FLAC__format_cuesheet_is_legal(&(*cuesheet)->data.cue_sheet, /*check_cd_da_subset=*/false, &error_message)) {
+		flac_fprintf(stderr, "%s: ERROR parsing cuesheet \"%s\": %s\n", filename, cs_filename, error_message);
+		return false;
+	}
+
+	/* if we're expecting CDDA, warn about non-compliance */
+	if(is_cdda && !FLAC__format_cuesheet_is_legal(&(*cuesheet)->data.cue_sheet, /*check_cd_da_subset=*/true, &error_message)) {
+		flac_fprintf(stderr, "%s: WARNING cuesheet \"%s\" is not audio CD compliant: %s\n", filename, cs_filename, error_message);
+		(*cuesheet)->data.cue_sheet.is_cd = false;
+	}
+
+	/* add seekpoints for each index point if required */
+	if(0 != seekpoint_specification) {
+		char spec[128];
+		unsigned track, indx;
+		const FLAC__StreamMetadata_CueSheet *cs = &(*cuesheet)->data.cue_sheet;
+		if(0 == *seekpoint_specification)
+			*seekpoint_specification = local_strdup("");
+		for(track = 0; track < cs->num_tracks; track++) {
+			const FLAC__StreamMetadata_CueSheet_Track *tr = cs->tracks+track;
+			for(indx = 0; indx < tr->num_indices; indx++) {
+				flac_snprintf(spec, sizeof (spec), "%" PRIu64 ";", (tr->offset + tr->indices[indx].offset));
+				local_strcat(seekpoint_specification, spec);
+			}
+		}
+	}
+
+	*needs_write = true;
+	return true;
+}
+
+FLAC__bool export_cs_to(const char *filename, const FLAC__StreamMetadata *cuesheet, const char *cs_filename)
+{
+	FILE *f;
+	char *ref = 0;
+	size_t reflen;
+
+	if(0 == cs_filename || strlen(cs_filename) == 0) {
+		flac_fprintf(stderr, "%s: ERROR: empty export file name\n", filename);
+		return false;
+	}
+	if(0 == strcmp(cs_filename, "-"))
+		f = stdout;
+	else
+		f = flac_fopen(cs_filename, "w");
+
+	if(0 == f) {
+		flac_fprintf(stderr, "%s: ERROR: can't open export file %s: %s\n", filename, cs_filename, strerror(errno));
+		return false;
+	}
+
+	reflen = strlen(filename) + 7 + 1;
+	if(0 == (ref = malloc(reflen))) {
+		flac_fprintf(stderr, "%s: ERROR: allocating memory\n", filename);
+		if(f != stdout)
+			fclose(f);
+		return false;
+	}
+
+	flac_snprintf(ref, reflen, "\"%s\" FLAC", filename);
+
+	grabbag__cuesheet_emit(f, cuesheet, ref);
+
+	free(ref);
+
+	if(f != stdout)
+		fclose(f);
+
+	return true;
+}

libsdl2_mixer/external/flac-1.3.2/src/metaflac/operations_shorthand_picture.c

@@ -0,0 +1,176 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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 <string.h>
+#include "options.h"
+#include "utils.h"
+#include "FLAC/assert.h"
+#include "share/grabbag.h" /* for grabbag__picture_parse_specification() etc */
+
+#include "operations_shorthand.h"
+
+static FLAC__bool import_pic_from(const char *filename, FLAC__StreamMetadata **picture, const char *specification, FLAC__bool *needs_write);
+static FLAC__bool export_pic_to(const char *filename, const FLAC__StreamMetadata *picture, const char *pic_filename);
+
+FLAC__bool do_shorthand_operation__picture(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write)
+{
+	FLAC__bool ok = true, has_type1 = false, has_type2 = false;
+	FLAC__StreamMetadata *picture = 0;
+	FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
+
+	if(0 == iterator)
+		die("out of memory allocating iterator");
+
+	FLAC__metadata_iterator_init(iterator, chain);
+
+	switch(operation->type) {
+		case OP__IMPORT_PICTURE_FROM:
+			ok = import_pic_from(filename, &picture, operation->argument.specification.value, needs_write);
+			if(ok) {
+				/* append PICTURE block */
+				while(FLAC__metadata_iterator_next(iterator))
+					;
+				if(!FLAC__metadata_iterator_insert_block_after(iterator, picture)) {
+					print_error_with_chain_status(chain, "%s: ERROR: adding new PICTURE block to metadata", filename);
+					FLAC__metadata_object_delete(picture);
+					ok = false;
+				}
+			}
+			if(ok) {
+				/* check global PICTURE constraints (max 1 block each of type=1 and type=2) */
+				while(FLAC__metadata_iterator_prev(iterator))
+					;
+				do {
+					FLAC__StreamMetadata *block = FLAC__metadata_iterator_get_block(iterator);
+					if(block->type == FLAC__METADATA_TYPE_PICTURE) {
+						if(block->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD) {
+							if(has_type1) {
+								print_error_with_chain_status(chain, "%s: ERROR: FLAC stream can only have one 32x32 standard icon (type=1) PICTURE block", filename);
+								ok = false;
+							}
+							has_type1 = true;
+						}
+						else if(block->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON) {
+							if(has_type2) {
+								print_error_with_chain_status(chain, "%s: ERROR: FLAC stream can only have one icon (type=2) PICTURE block", filename);
+								ok = false;
+							}
+							has_type2 = true;
+						}
+					}
+				} while(FLAC__metadata_iterator_next(iterator));
+			}
+			break;
+		case OP__EXPORT_PICTURE_TO:
+			{
+				const Argument_BlockNumber *a = operation->argument.export_picture_to.block_number_link;
+				int block_number = (a && a->num_entries > 0)? (int)a->entries[0] : -1;
+				unsigned i = 0;
+				do {
+					FLAC__StreamMetadata *block = FLAC__metadata_iterator_get_block(iterator);
+					if(block->type == FLAC__METADATA_TYPE_PICTURE && (block_number < 0 || i == (unsigned)block_number))
+						picture = block;
+					i++;
+				} while(FLAC__metadata_iterator_next(iterator) && 0 == picture);
+				if(0 == picture) {
+					if(block_number < 0)
+						flac_fprintf(stderr, "%s: ERROR: FLAC file has no PICTURE block\n", filename);
+					else
+						flac_fprintf(stderr, "%s: ERROR: FLAC file has no PICTURE block at block #%d\n", filename, block_number);
+					ok = false;
+				}
+				else
+					ok = export_pic_to(filename, picture, operation->argument.filename.value);
+			}
+			break;
+		default:
+			ok = false;
+			FLAC__ASSERT(0);
+			break;
+	};
+
+	FLAC__metadata_iterator_delete(iterator);
+	return ok;
+}
+
+/*
+ * local routines
+ */
+
+FLAC__bool import_pic_from(const char *filename, FLAC__StreamMetadata **picture, const char *specification, FLAC__bool *needs_write)
+{
+	const char *error_message;
+
+	if(0 == specification || strlen(specification) == 0) {
+		flac_fprintf(stderr, "%s: ERROR: empty picture specification\n", filename);
+		return false;
+	}
+
+	*picture = grabbag__picture_parse_specification(specification, &error_message);
+
+	if(0 == *picture) {
+		flac_fprintf(stderr, "%s: ERROR: while parsing picture specification \"%s\": %s\n", filename, specification, error_message);
+		return false;
+	}
+
+	if(!FLAC__format_picture_is_legal(&(*picture)->data.picture, &error_message)) {
+		flac_fprintf(stderr, "%s: ERROR: new PICTURE block for \"%s\" is illegal: %s\n", filename, specification, error_message);
+		return false;
+	}
+
+	*needs_write = true;
+	return true;
+}
+
+FLAC__bool export_pic_to(const char *filename, const FLAC__StreamMetadata *picture, const char *pic_filename)
+{
+	FILE *f;
+	const FLAC__uint32 len = picture->data.picture.data_length;
+
+	if(0 == pic_filename || strlen(pic_filename) == 0) {
+		flac_fprintf(stderr, "%s: ERROR: empty export file name\n", filename);
+		return false;
+	}
+	if(0 == strcmp(pic_filename, "-"))
+		f = grabbag__file_get_binary_stdout();
+	else
+		f = flac_fopen(pic_filename, "wb");
+
+	if(0 == f) {
+		flac_fprintf(stderr, "%s: ERROR: can't open export file %s: %s\n", filename, pic_filename, strerror(errno));
+		return false;
+	}
+
+	if(fwrite(picture->data.picture.data, 1, len, f) != len) {
+		flac_fprintf(stderr, "%s: ERROR: writing PICTURE data to file\n", filename);
+		if(f != stdout)
+			fclose(f);
+		return false;
+	}
+
+	if(f != stdout)
+		fclose(f);
+
+	return true;
+}

libsdl2_mixer/external/flac-1.3.2/src/metaflac/operations_shorthand_seektable.c

@@ -0,0 +1,218 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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 "utils.h"
+#include "FLAC/assert.h"
+#include "FLAC/stream_decoder.h"
+#include "FLAC/metadata.h"
+#include "share/grabbag.h"
+#include "operations_shorthand.h"
+
+static FLAC__bool populate_seekpoint_values(const char *filename, FLAC__StreamMetadata *block, FLAC__bool *needs_write);
+
+FLAC__bool do_shorthand_operation__add_seekpoints(const char *filename, FLAC__Metadata_Chain *chain, const char *specification, FLAC__bool *needs_write)
+{
+	FLAC__bool ok = true, found_seektable_block = false;
+	FLAC__StreamMetadata *block = 0;
+	FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
+	FLAC__uint64 total_samples = 0;
+	unsigned sample_rate = 0;
+
+	if(0 == iterator)
+		die("out of memory allocating iterator");
+
+	FLAC__metadata_iterator_init(iterator, chain);
+
+	do {
+		block = FLAC__metadata_iterator_get_block(iterator);
+		if(block->type == FLAC__METADATA_TYPE_STREAMINFO) {
+			sample_rate = block->data.stream_info.sample_rate;
+			total_samples = block->data.stream_info.total_samples;
+		}
+		else if(block->type == FLAC__METADATA_TYPE_SEEKTABLE)
+			found_seektable_block = true;
+	} while(!found_seektable_block && FLAC__metadata_iterator_next(iterator));
+
+	if(total_samples == 0) {
+		flac_fprintf(stderr, "%s: ERROR: cannot add seekpoints because STREAMINFO block does not specify total_samples\n", filename);
+		return false;
+	}
+
+	if(!found_seektable_block) {
+		/* create a new block */
+		block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE);
+		if(0 == block)
+			die("out of memory allocating SEEKTABLE block");
+		while(FLAC__metadata_iterator_prev(iterator))
+			;
+		if(!FLAC__metadata_iterator_insert_block_after(iterator, block)) {
+			print_error_with_chain_status(chain, "%s: ERROR: adding new SEEKTABLE block to metadata", filename);
+			FLAC__metadata_object_delete(block);
+			return false;
+		}
+		/* iterator is left pointing to new block */
+		FLAC__ASSERT(FLAC__metadata_iterator_get_block(iterator) == block);
+	}
+
+	FLAC__metadata_iterator_delete(iterator);
+
+	FLAC__ASSERT(0 != block);
+	FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_SEEKTABLE);
+
+	if(!grabbag__seektable_convert_specification_to_template(specification, /*only_explicit_placeholders=*/false, total_samples, sample_rate, block, /*spec_has_real_points=*/0)) {
+		flac_fprintf(stderr, "%s: ERROR (internal) preparing seektable with seekpoints\n", filename);
+		return false;
+	}
+
+	ok = populate_seekpoint_values(filename, block, needs_write);
+
+	if(ok)
+		(void) FLAC__format_seektable_sort(&block->data.seek_table);
+
+	return ok;
+}
+
+/*
+ * local routines
+ */
+
+typedef struct {
+	FLAC__StreamMetadata_SeekTable *seektable_template;
+	FLAC__uint64 samples_written;
+	FLAC__uint64 audio_offset, last_offset;
+	unsigned first_seekpoint_to_check;
+	FLAC__bool error_occurred;
+	FLAC__StreamDecoderErrorStatus error_status;
+} ClientData;
+
+static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
+{
+	ClientData *cd = (ClientData*)client_data;
+
+	(void)buffer;
+	FLAC__ASSERT(0 != cd);
+
+	if(!cd->error_occurred) {
+		const unsigned blocksize = frame->header.blocksize;
+		const FLAC__uint64 frame_first_sample = cd->samples_written;
+		const FLAC__uint64 frame_last_sample = frame_first_sample + (FLAC__uint64)blocksize - 1;
+		FLAC__uint64 test_sample;
+		unsigned i;
+		for(i = cd->first_seekpoint_to_check; i < cd->seektable_template->num_points; i++) {
+			test_sample = cd->seektable_template->points[i].sample_number;
+			if(test_sample > frame_last_sample) {
+				break;
+			}
+			else if(test_sample >= frame_first_sample) {
+				cd->seektable_template->points[i].sample_number = frame_first_sample;
+				cd->seektable_template->points[i].stream_offset = cd->last_offset - cd->audio_offset;
+				cd->seektable_template->points[i].frame_samples = blocksize;
+				cd->first_seekpoint_to_check++;
+				/* DO NOT: "break;" and here's why:
+				 * The seektable template may contain more than one target
+				 * sample for any given frame; we will keep looping, generating
+				 * duplicate seekpoints for them, and we'll clean it up later,
+				 * just before writing the seektable back to the metadata.
+				 */
+			}
+			else {
+				cd->first_seekpoint_to_check++;
+			}
+		}
+		cd->samples_written += blocksize;
+		if(!FLAC__stream_decoder_get_decode_position(decoder, &cd->last_offset))
+			return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
+		return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
+	}
+	else
+		return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
+}
+
+static void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
+{
+	ClientData *cd = (ClientData*)client_data;
+
+	(void)decoder;
+	FLAC__ASSERT(0 != cd);
+
+	if(!cd->error_occurred) { /* don't let multiple errors overwrite the first one */
+		cd->error_occurred = true;
+		cd->error_status = status;
+	}
+}
+
+FLAC__bool populate_seekpoint_values(const char *filename, FLAC__StreamMetadata *block, FLAC__bool *needs_write)
+{
+	FLAC__StreamDecoder *decoder;
+	ClientData client_data;
+	FLAC__bool ok = true;
+
+	FLAC__ASSERT(0 != block);
+	FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_SEEKTABLE);
+
+	client_data.seektable_template = &block->data.seek_table;
+	client_data.samples_written = 0;
+	/* client_data.audio_offset must be determined later */
+	client_data.first_seekpoint_to_check = 0;
+	client_data.error_occurred = false;
+
+	decoder = FLAC__stream_decoder_new();
+
+	if(0 == decoder) {
+		flac_fprintf(stderr, "%s: ERROR (--add-seekpoint) creating the decoder instance\n", filename);
+		return false;
+	}
+
+	FLAC__stream_decoder_set_md5_checking(decoder, false);
+	FLAC__stream_decoder_set_metadata_ignore_all(decoder);
+
+	if(FLAC__stream_decoder_init_file(decoder, filename, write_callback_, /*metadata_callback=*/0, error_callback_, &client_data) != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
+		flac_fprintf(stderr, "%s: ERROR (--add-seekpoint) initializing the decoder instance (%s)\n", filename, FLAC__stream_decoder_get_resolved_state_string(decoder));
+		ok = false;
+	}
+
+	if(ok && !FLAC__stream_decoder_process_until_end_of_metadata(decoder)) {
+		flac_fprintf(stderr, "%s: ERROR (--add-seekpoint) decoding file (%s)\n", filename, FLAC__stream_decoder_get_resolved_state_string(decoder));
+		ok = false;
+	}
+
+	if(ok && !FLAC__stream_decoder_get_decode_position(decoder, &client_data.audio_offset)) {
+		flac_fprintf(stderr, "%s: ERROR (--add-seekpoint) decoding file\n", filename);
+		ok = false;
+	}
+	client_data.last_offset = client_data.audio_offset;
+
+	if(ok && !FLAC__stream_decoder_process_until_end_of_stream(decoder)) {
+		flac_fprintf(stderr, "%s: ERROR (--add-seekpoint) decoding file (%s)\n", filename, FLAC__stream_decoder_get_resolved_state_string(decoder));
+		ok = false;
+	}
+
+	if(ok && client_data.error_occurred) {
+		flac_fprintf(stderr, "%s: ERROR (--add-seekpoint) decoding file (%u:%s)\n", filename, (unsigned)client_data.error_status, FLAC__StreamDecoderErrorStatusString[client_data.error_status]);
+		ok = false;
+	}
+
+	*needs_write = true;
+	FLAC__stream_decoder_delete(decoder);
+	return ok;
+}

libsdl2_mixer/external/flac-1.3.2/src/metaflac/operations_shorthand_streaminfo.c

@@ -0,0 +1,127 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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 "options.h"
+#include "utils.h"
+#include "FLAC/assert.h"
+#include "FLAC/metadata.h"
+#include "share/compat.h"
+#include <string.h>
+#include "operations_shorthand.h"
+
+FLAC__bool do_shorthand_operation__streaminfo(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write)
+{
+	unsigned i;
+	FLAC__bool ok = true;
+	FLAC__StreamMetadata *block;
+	FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
+
+	if(0 == iterator)
+		die("out of memory allocating iterator");
+
+	FLAC__metadata_iterator_init(iterator, chain);
+
+	block = FLAC__metadata_iterator_get_block(iterator);
+
+	FLAC__ASSERT(0 != block);
+	FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_STREAMINFO);
+
+	if(prefix_with_filename)
+		flac_printf("%s:", filename);
+
+	switch(operation->type) {
+		case OP__SHOW_MD5SUM:
+			for(i = 0; i < 16; i++)
+				printf("%02x", block->data.stream_info.md5sum[i]);
+			printf("\n");
+			break;
+		case OP__SHOW_MIN_BLOCKSIZE:
+			printf("%u\n", block->data.stream_info.min_blocksize);
+			break;
+		case OP__SHOW_MAX_BLOCKSIZE:
+			printf("%u\n", block->data.stream_info.max_blocksize);
+			break;
+		case OP__SHOW_MIN_FRAMESIZE:
+			printf("%u\n", block->data.stream_info.min_framesize);
+			break;
+		case OP__SHOW_MAX_FRAMESIZE:
+			printf("%u\n", block->data.stream_info.max_framesize);
+			break;
+		case OP__SHOW_SAMPLE_RATE:
+			printf("%u\n", block->data.stream_info.sample_rate);
+			break;
+		case OP__SHOW_CHANNELS:
+			printf("%u\n", block->data.stream_info.channels);
+			break;
+		case OP__SHOW_BPS:
+			printf("%u\n", block->data.stream_info.bits_per_sample);
+			break;
+		case OP__SHOW_TOTAL_SAMPLES:
+			printf("%" PRIu64 "\n", block->data.stream_info.total_samples);
+			break;
+		case OP__SET_MD5SUM:
+			memcpy(block->data.stream_info.md5sum, operation->argument.streaminfo_md5.value, 16);
+			*needs_write = true;
+			break;
+		case OP__SET_MIN_BLOCKSIZE:
+			block->data.stream_info.min_blocksize = operation->argument.streaminfo_uint32.value;
+			*needs_write = true;
+			break;
+		case OP__SET_MAX_BLOCKSIZE:
+			block->data.stream_info.max_blocksize = operation->argument.streaminfo_uint32.value;
+			*needs_write = true;
+			break;
+		case OP__SET_MIN_FRAMESIZE:
+			block->data.stream_info.min_framesize = operation->argument.streaminfo_uint32.value;
+			*needs_write = true;
+			break;
+		case OP__SET_MAX_FRAMESIZE:
+			block->data.stream_info.max_framesize = operation->argument.streaminfo_uint32.value;
+			*needs_write = true;
+			break;
+		case OP__SET_SAMPLE_RATE:
+			block->data.stream_info.sample_rate = operation->argument.streaminfo_uint32.value;
+			*needs_write = true;
+			break;
+		case OP__SET_CHANNELS:
+			block->data.stream_info.channels = operation->argument.streaminfo_uint32.value;
+			*needs_write = true;
+			break;
+		case OP__SET_BPS:
+			block->data.stream_info.bits_per_sample = operation->argument.streaminfo_uint32.value;
+			*needs_write = true;
+			break;
+		case OP__SET_TOTAL_SAMPLES:
+			block->data.stream_info.total_samples = operation->argument.streaminfo_uint64.value;
+			*needs_write = true;
+			break;
+		default:
+			ok = false;
+			FLAC__ASSERT(0);
+			break;
+	};
+
+	FLAC__metadata_iterator_delete(iterator);
+
+	return ok;
+}

libsdl2_mixer/external/flac-1.3.2/src/metaflac/operations_shorthand_vorbiscomment.c

@@ -0,0 +1,374 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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 "options.h"
+#include "utils.h"
+#include "FLAC/assert.h"
+#include "share/grabbag.h" /* for grabbag__file_get_filesize() */
+#include "share/utf8.h"
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include "operations_shorthand.h"
+#include "share/compat.h"
+
+static FLAC__bool remove_vc_all(const char *filename, FLAC__StreamMetadata *block, FLAC__bool *needs_write);
+static FLAC__bool remove_vc_field(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write);
+static FLAC__bool remove_vc_firstfield(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write);
+static FLAC__bool set_vc_field(const char *filename, FLAC__StreamMetadata *block, const Argument_VcField *field, FLAC__bool *needs_write, FLAC__bool raw);
+static FLAC__bool import_vc_from(const char *filename, FLAC__StreamMetadata *block, const Argument_String *vc_filename, FLAC__bool *needs_write, FLAC__bool raw);
+static FLAC__bool export_vc_to(const char *filename, FLAC__StreamMetadata *block, const Argument_String *vc_filename, FLAC__bool raw);
+
+FLAC__bool do_shorthand_operation__vorbis_comment(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool raw)
+{
+	FLAC__bool ok = true, found_vc_block = false;
+	FLAC__StreamMetadata *block = 0;
+	FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
+
+	if(0 == iterator)
+		die("out of memory allocating iterator");
+
+	FLAC__metadata_iterator_init(iterator, chain);
+
+	do {
+		block = FLAC__metadata_iterator_get_block(iterator);
+		if(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT)
+			found_vc_block = true;
+	} while(!found_vc_block && FLAC__metadata_iterator_next(iterator));
+
+	if(!found_vc_block) {
+		/* create a new block if necessary */
+		if(operation->type == OP__SET_VC_FIELD || operation->type == OP__IMPORT_VC_FROM) {
+			block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT);
+			if(0 == block)
+				die("out of memory allocating VORBIS_COMMENT block");
+			while(FLAC__metadata_iterator_next(iterator))
+				;
+			if(!FLAC__metadata_iterator_insert_block_after(iterator, block)) {
+				print_error_with_chain_status(chain, "%s: ERROR: adding new VORBIS_COMMENT block to metadata", filename);
+				return false;
+			}
+			/* iterator is left pointing to new block */
+			FLAC__ASSERT(FLAC__metadata_iterator_get_block(iterator) == block);
+		}
+		else {
+			FLAC__metadata_iterator_delete(iterator);
+			return ok;
+		}
+	}
+
+	FLAC__ASSERT(0 != block);
+	FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
+
+	switch(operation->type) {
+		case OP__SHOW_VC_VENDOR:
+			write_vc_field(prefix_with_filename? filename : 0, &block->data.vorbis_comment.vendor_string, raw, stdout);
+			break;
+		case OP__SHOW_VC_FIELD:
+			write_vc_fields(prefix_with_filename? filename : 0, operation->argument.vc_field_name.value, block->data.vorbis_comment.comments, block->data.vorbis_comment.num_comments, raw, stdout);
+			break;
+		case OP__REMOVE_VC_ALL:
+			ok = remove_vc_all(filename, block, needs_write);
+			break;
+		case OP__REMOVE_VC_FIELD:
+			ok = remove_vc_field(filename, block, operation->argument.vc_field_name.value, needs_write);
+			break;
+		case OP__REMOVE_VC_FIRSTFIELD:
+			ok = remove_vc_firstfield(filename, block, operation->argument.vc_field_name.value, needs_write);
+			break;
+		case OP__SET_VC_FIELD:
+#ifdef _WIN32 /* do not convert anything or things will break */
+			ok = set_vc_field(filename, block, &operation->argument.vc_field, needs_write, true);
+#else
+			ok = set_vc_field(filename, block, &operation->argument.vc_field, needs_write, raw);
+#endif
+			break;
+		case OP__IMPORT_VC_FROM:
+			ok = import_vc_from(filename, block, &operation->argument.filename, needs_write, raw);
+			break;
+		case OP__EXPORT_VC_TO:
+			ok = export_vc_to(filename, block, &operation->argument.filename, raw);
+			break;
+		default:
+			ok = false;
+			FLAC__ASSERT(0);
+			break;
+	};
+
+	FLAC__metadata_iterator_delete(iterator);
+	return ok;
+}
+
+/*
+ * local routines
+ */
+
+FLAC__bool remove_vc_all(const char *filename, FLAC__StreamMetadata *block, FLAC__bool *needs_write)
+{
+	FLAC__ASSERT(0 != block);
+	FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
+	FLAC__ASSERT(0 != needs_write);
+
+	if(0 != block->data.vorbis_comment.comments) {
+		FLAC__ASSERT(block->data.vorbis_comment.num_comments > 0);
+		if(!FLAC__metadata_object_vorbiscomment_resize_comments(block, 0)) {
+			flac_fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename);
+			return false;
+		}
+		*needs_write = true;
+	}
+	else {
+		FLAC__ASSERT(block->data.vorbis_comment.num_comments == 0);
+	}
+
+	return true;
+}
+
+FLAC__bool remove_vc_field(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write)
+{
+	int n;
+
+	FLAC__ASSERT(0 != needs_write);
+
+	n = FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, field_name);
+
+	if(n < 0) {
+		flac_fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename);
+		return false;
+	}
+	else if(n > 0)
+		*needs_write = true;
+
+	return true;
+}
+
+FLAC__bool remove_vc_firstfield(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write)
+{
+	int n;
+
+	FLAC__ASSERT(0 != needs_write);
+
+	n = FLAC__metadata_object_vorbiscomment_remove_entry_matching(block, field_name);
+
+	if(n < 0) {
+		flac_fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename);
+		return false;
+	}
+	else if(n > 0)
+		*needs_write = true;
+
+	return true;
+}
+
+FLAC__bool set_vc_field(const char *filename, FLAC__StreamMetadata *block, const Argument_VcField *field, FLAC__bool *needs_write, FLAC__bool raw)
+{
+	FLAC__StreamMetadata_VorbisComment_Entry entry;
+	char *converted;
+
+	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) {
+			flac_fprintf(stderr, "%s: ERROR: can't open file '%s' for '%s' tag value\n", filename, field->field_value, field->field_name);
+			return false;
+		}
+		if(size >= 0x100000) { /* magic arbitrary limit, actual format limit is near 16MB */
+			flac_fprintf(stderr, "%s: ERROR: file '%s' for '%s' tag value is too large\n", filename, field->field_value, field->field_name);
+			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) {
+			flac_fprintf(stderr, "%s: ERROR: while reading file '%s' for '%s' tag value: %s\n", filename, field->field_value, field->field_name, strerror(errno));
+			free(data);
+			if(f)
+				fclose(f);
+			return false;
+		}
+		fclose(f);
+		if(strlen(data) != (size_t)size) {
+			free(data);
+			flac_fprintf(stderr, "%s: ERROR: file '%s' for '%s' tag value has embedded NULs\n", filename, field->field_value, field->field_name);
+			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);
+			flac_fprintf(stderr, "%s: ERROR: converting file '%s' contents to UTF-8 for tag value\n", filename, field->field_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);
+			flac_fprintf(stderr, "%s: ERROR: file '%s' for '%s' tag value is not valid UTF-8\n", filename, field->field_value, field->field_name);
+			return false;
+		}
+		free(converted);
+		if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/false)) {
+			flac_fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename);
+			return false;
+		}
+
+		*needs_write = true;
+		return true;
+	}
+	else {
+		FLAC__bool needs_free = false;
+		entry.entry = (FLAC__byte *)field->field;
+		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 {
+			flac_fprintf(stderr, "%s: ERROR: converting comment '%s' to UTF-8\n", filename, field->field);
+			return false;
+		}
+		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
+			 */
+			flac_fprintf(stderr, "%s: ERROR: tag value for '%s' is not valid UTF-8\n", filename, field->field_name);
+			return false;
+		}
+
+		if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/true)) {
+			if(needs_free)
+				free(converted);
+			flac_fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename);
+			return false;
+		}
+
+		*needs_write = true;
+		if(needs_free)
+			free(converted);
+		return true;
+	}
+}
+
+FLAC__bool import_vc_from(const char *filename, FLAC__StreamMetadata *block, const Argument_String *vc_filename, FLAC__bool *needs_write, FLAC__bool raw)
+{
+	FILE *f;
+	char line[65536];
+	FLAC__bool ret;
+
+	if(0 == vc_filename->value || strlen(vc_filename->value) == 0) {
+		flac_fprintf(stderr, "%s: ERROR: empty import file name\n", filename);
+		return false;
+	}
+	if(0 == strcmp(vc_filename->value, "-"))
+		f = stdin;
+	else
+		f = flac_fopen(vc_filename->value, "r");
+
+	if(0 == f) {
+		flac_fprintf(stderr, "%s: ERROR: can't open import file %s: %s\n", filename, vc_filename->value, strerror(errno));
+		return false;
+	}
+
+	ret = true;
+	while(ret && !feof(f) && fgets(line, sizeof(line), f) != NULL) {
+		if(!feof(f)) {
+			char *p = strchr(line, '\n');
+			if(0 == p) {
+				flac_fprintf(stderr, "%s: ERROR: line too long, aborting\n", vc_filename->value);
+				ret = false;
+			}
+			else {
+				const char *violation;
+				Argument_VcField field;
+				*p = '\0';
+				memset(&field, 0, sizeof(Argument_VcField));
+				field.field_value_from_file = false;
+				if(!parse_vorbis_comment_field(line, &field.field, &field.field_name, &field.field_value, &field.field_value_length, &violation)) {
+					FLAC__ASSERT(0 != violation);
+					flac_fprintf(stderr, "%s: ERROR: malformed vorbis comment field \"%s\",\n       %s\n", vc_filename->value, line, violation);
+					ret = false;
+				}
+				else {
+					ret = set_vc_field(filename, block, &field, needs_write, raw);
+				}
+				if(0 != field.field)
+					free(field.field);
+				if(0 != field.field_name)
+					free(field.field_name);
+				if(0 != field.field_value)
+					free(field.field_value);
+			}
+		}
+	};
+
+	if(f != stdin)
+		fclose(f);
+	return ret;
+}
+
+FLAC__bool export_vc_to(const char *filename, FLAC__StreamMetadata *block, const Argument_String *vc_filename, FLAC__bool raw)
+{
+	FILE *f;
+	FLAC__bool ret;
+
+	if(0 == vc_filename->value || strlen(vc_filename->value) == 0) {
+		flac_fprintf(stderr, "%s: ERROR: empty export file name\n", filename);
+		return false;
+	}
+	if(0 == strcmp(vc_filename->value, "-"))
+		f = stdout;
+	else
+		f = flac_fopen(vc_filename->value, "w");
+
+	if(0 == f) {
+		flac_fprintf(stderr, "%s: ERROR: can't open export file %s: %s\n", filename, vc_filename->value, strerror(errno));
+		return false;
+	}
+
+	ret = true;
+
+	write_vc_fields(0, 0, block->data.vorbis_comment.comments, block->data.vorbis_comment.num_comments, raw, f);
+
+	if(f != stdout)
+		fclose(f);
+	return ret;
+}

libsdl2_mixer/external/flac-1.3.2/src/metaflac/options.h

@@ -0,0 +1,217 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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 metaflac__options_h
+#define metaflac__options_h
+
+#include "FLAC/format.h"
+
+#if 0
+/*[JEC] was:#if HAVE_GETOPT_LONG*/
+/*[JEC] see flac/include/share/getopt.h as to why the change */
+#  include <getopt.h>
+#else
+#  include "share/getopt.h"
+#endif
+
+extern struct share__option long_options_[];
+
+typedef enum {
+	OP__SHOW_MD5SUM,
+	OP__SHOW_MIN_BLOCKSIZE,
+	OP__SHOW_MAX_BLOCKSIZE,
+	OP__SHOW_MIN_FRAMESIZE,
+	OP__SHOW_MAX_FRAMESIZE,
+	OP__SHOW_SAMPLE_RATE,
+	OP__SHOW_CHANNELS,
+	OP__SHOW_BPS,
+	OP__SHOW_TOTAL_SAMPLES,
+	OP__SET_MD5SUM,
+	OP__SET_MIN_BLOCKSIZE,
+	OP__SET_MAX_BLOCKSIZE,
+	OP__SET_MIN_FRAMESIZE,
+	OP__SET_MAX_FRAMESIZE,
+	OP__SET_SAMPLE_RATE,
+	OP__SET_CHANNELS,
+	OP__SET_BPS,
+	OP__SET_TOTAL_SAMPLES,
+	OP__SHOW_VC_VENDOR,
+	OP__SHOW_VC_FIELD,
+	OP__REMOVE_VC_ALL,
+	OP__REMOVE_VC_FIELD,
+	OP__REMOVE_VC_FIRSTFIELD,
+	OP__SET_VC_FIELD,
+	OP__IMPORT_VC_FROM,
+	OP__EXPORT_VC_TO,
+	OP__IMPORT_CUESHEET_FROM,
+	OP__EXPORT_CUESHEET_TO,
+	OP__IMPORT_PICTURE_FROM,
+	OP__EXPORT_PICTURE_TO,
+	OP__ADD_SEEKPOINT,
+	OP__ADD_REPLAY_GAIN,
+	OP__SCAN_REPLAY_GAIN,
+	OP__ADD_PADDING,
+	OP__LIST,
+	OP__APPEND,
+	OP__REMOVE,
+	OP__REMOVE_ALL,
+	OP__MERGE_PADDING,
+	OP__SORT_PADDING
+} OperationType;
+
+typedef enum {
+	ARG__BLOCK_NUMBER,
+	ARG__BLOCK_TYPE,
+	ARG__EXCEPT_BLOCK_TYPE,
+	ARG__DATA_FORMAT,
+	ARG__FROM_FILE
+} ArgumentType;
+
+typedef struct {
+	FLAC__byte value[16];
+} Argument_StreaminfoMD5;
+
+typedef struct {
+	FLAC__uint32 value;
+} Argument_StreaminfoUInt32;
+
+typedef struct {
+	FLAC__uint64 value;
+} Argument_StreaminfoUInt64;
+
+typedef struct {
+	char *value;
+} Argument_VcFieldName;
+
+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;
+
+typedef struct {
+	char *value;
+} Argument_String;
+
+typedef struct {
+	unsigned num_entries;
+	unsigned *entries;
+} Argument_BlockNumber;
+
+typedef struct {
+	FLAC__MetadataType type;
+	char application_id[4]; /* only relevant if type == FLAC__STREAM_METADATA_TYPE_APPLICATION */
+	FLAC__bool filter_application_by_id;
+} Argument_BlockTypeEntry;
+
+typedef struct {
+	unsigned num_entries;
+	Argument_BlockTypeEntry *entries;
+} Argument_BlockType;
+
+typedef struct {
+	FLAC__bool is_binary;
+} Argument_DataFormat;
+
+typedef struct {
+	char *file_name;
+} Argument_FromFile;
+
+typedef struct {
+	char *specification;
+} Argument_AddSeekpoint;
+
+typedef struct {
+	char *filename;
+	Argument_AddSeekpoint *add_seekpoint_link;
+} Argument_ImportCuesheetFrom;
+
+typedef struct {
+	char *filename;
+	const Argument_BlockNumber *block_number_link; /* may be NULL to mean 'first PICTURE block' */
+} Argument_ExportPictureTo;
+
+typedef struct {
+	unsigned length;
+} Argument_AddPadding;
+
+typedef struct {
+	OperationType type;
+	union {
+		Argument_StreaminfoMD5 streaminfo_md5;
+		Argument_StreaminfoUInt32 streaminfo_uint32;
+		Argument_StreaminfoUInt64 streaminfo_uint64;
+		Argument_VcFieldName vc_field_name;
+		Argument_VcField vc_field;
+		Argument_String filename;
+		Argument_String specification;
+		Argument_ImportCuesheetFrom import_cuesheet_from;
+		Argument_ExportPictureTo export_picture_to;
+		Argument_AddSeekpoint add_seekpoint;
+		Argument_AddPadding add_padding;
+	} argument;
+} Operation;
+
+typedef struct {
+	ArgumentType type;
+	union {
+		Argument_BlockNumber block_number;
+		Argument_BlockType block_type;
+		Argument_DataFormat data_format;
+		Argument_FromFile from_file;
+	} value;
+} Argument;
+
+typedef struct {
+	FLAC__bool preserve_modtime;
+	FLAC__bool prefix_with_filename;
+	FLAC__bool utf8_convert;
+	FLAC__bool use_padding;
+	FLAC__bool cued_seekpoints;
+	FLAC__bool show_long_help;
+	FLAC__bool show_version;
+	FLAC__bool application_data_format_is_hexdump;
+	struct {
+		Operation *operations;
+		unsigned num_operations;
+		unsigned capacity;
+	} ops;
+	struct {
+		struct {
+			unsigned num_shorthand_ops;
+			unsigned num_major_ops;
+			FLAC__bool has_block_type;
+			FLAC__bool has_except_block_type;
+		} checks;
+		Argument *arguments;
+		unsigned num_arguments;
+		unsigned capacity;
+	} args;
+	unsigned num_files;
+	char **filenames;
+} CommandLineOptions;
+
+void init_options(CommandLineOptions *options);
+FLAC__bool parse_options(int argc, char *argv[], CommandLineOptions *options);
+void free_options(CommandLineOptions *options);
+
+#endif

libsdl2_mixer/external/flac-1.3.2/src/metaflac/usage.c

@@ -0,0 +1,330 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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 "usage.h"
+#include "FLAC/format.h"
+#include <stdarg.h>
+#include <stdio.h>
+#include "share/compat.h"
+
+static void usage_header(FILE *out)
+{
+	fprintf(out, "==============================================================================\n");
+	fprintf(out, "metaflac - Command-line FLAC metadata editor version %s\n", FLAC__VERSION_STRING);
+	fprintf(out, "Copyright (C) 2001-2009  Josh Coalson\n");
+	fprintf(out, "Copyright (C) 2011-2016  Xiph.Org Foundation\n");
+	fprintf(out, "\n");
+	fprintf(out, "This program is free software; you can redistribute it and/or\n");
+	fprintf(out, "modify it under the terms of the GNU General Public License\n");
+	fprintf(out, "as published by the Free Software Foundation; either version 2\n");
+	fprintf(out, "of the License, or (at your option) any later version.\n");
+	fprintf(out, "\n");
+	fprintf(out, "This program is distributed in the hope that it will be useful,\n");
+	fprintf(out, "but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
+	fprintf(out, "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n");
+	fprintf(out, "GNU General Public License for more details.\n");
+	fprintf(out, "\n");
+	fprintf(out, "You should have received a copy of the GNU General Public License along\n");
+	fprintf(out, "with this program; if not, write to the Free Software Foundation, Inc.,\n");
+	fprintf(out, "51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.\n");
+	fprintf(out, "==============================================================================\n");
+}
+
+static void usage_summary(FILE *out)
+{
+	fprintf(out, "Usage:\n");
+	fprintf(out, "  metaflac [options] [operations] FLACfile [FLACfile ...]\n");
+	fprintf(out, "\n");
+	fprintf(out, "Use metaflac to list, add, remove, or edit metadata in one or more FLAC files.\n");
+	fprintf(out, "You may perform one major operation, or many shorthand operations at a time.\n");
+	fprintf(out, "\n");
+	fprintf(out, "Options:\n");
+	fprintf(out, "--preserve-modtime    Preserve the original modification time in spite of edits\n");
+	fprintf(out, "--with-filename       Prefix each output line with the FLAC file name\n");
+	fprintf(out, "                      (the default if more than one FLAC file is specified)\n");
+	fprintf(out, "--no-filename         Do not prefix each output line with the FLAC file name\n");
+	fprintf(out, "                      (the default if only one FLAC file is specified)\n");
+	fprintf(out, "--no-utf8-convert     Do not convert tags from UTF-8 to local charset,\n");
+	fprintf(out, "                      or vice versa.  This is useful for scripts, and setting\n");
+	fprintf(out, "                      tags in situations where the locale is wrong.\n");
+	fprintf(out, "--dont-use-padding    By default metaflac tries to use padding where possible\n");
+	fprintf(out, "                      to avoid rewriting the entire file if the metadata size\n");
+	fprintf(out, "                      changes.  Use this option to tell metaflac to not take\n");
+	fprintf(out, "                      advantage of padding this way.\n");
+}
+
+int short_usage(const char *message, ...)
+{
+	va_list args;
+
+	if(message) {
+		va_start(args, message);
+
+		(void) vfprintf(stderr, message, args);
+
+		va_end(args);
+
+	}
+	usage_header(stderr);
+	flac_fprintf(stderr, "\n");
+	flac_fprintf(stderr, "This is the short help; for full help use 'metaflac --help'\n");
+	flac_fprintf(stderr, "\n");
+	usage_summary(stderr);
+
+	return message? 1 : 0;
+}
+
+int long_usage(const char *message, ...)
+{
+	FILE *out = (message? stderr : stdout);
+	va_list args;
+
+	if(message) {
+		va_start(args, message);
+
+		(void) vfprintf(stderr, message, args);
+
+		va_end(args);
+
+	}
+	usage_header(out);
+	fprintf(out, "\n");
+	usage_summary(out);
+	fprintf(out, "\n");
+	fprintf(out, "Shorthand operations:\n");
+	fprintf(out, "--show-md5sum         Show the MD5 signature from the STREAMINFO block.\n");
+	fprintf(out, "--show-min-blocksize  Show the minimum block size from the STREAMINFO block.\n");
+	fprintf(out, "--show-max-blocksize  Show the maximum block size from the STREAMINFO block.\n");
+	fprintf(out, "--show-min-framesize  Show the minimum frame size from the STREAMINFO block.\n");
+	fprintf(out, "--show-max-framesize  Show the maximum frame size from the STREAMINFO block.\n");
+	fprintf(out, "--show-sample-rate    Show the sample rate from the STREAMINFO block.\n");
+	fprintf(out, "--show-channels       Show the number of channels from the STREAMINFO block.\n");
+	fprintf(out, "--show-bps            Show the # of bits per sample from the STREAMINFO block.\n");
+	fprintf(out, "--show-total-samples  Show the total # of samples from the STREAMINFO block.\n");
+	fprintf(out, "\n");
+	fprintf(out, "--show-vendor-tag     Show the vendor string from the VORBIS_COMMENT block.\n");
+	fprintf(out, "--show-tag=NAME       Show all tags where the field name matches 'NAME'.\n");
+	fprintf(out, "--remove-tag=NAME     Remove all tags whose field name is 'NAME'.\n");
+	fprintf(out, "--remove-first-tag=NAME  Remove first tag whose field name is 'NAME'.\n");
+	fprintf(out, "--remove-all-tags     Remove all tags, leaving only the vendor string.\n");
+	fprintf(out, "--set-tag=FIELD       Add a tag.  The FIELD must comply with the Vorbis comment\n");
+	fprintf(out, "                      spec, of the form \"NAME=VALUE\".  If there is currently\n");
+	fprintf(out, "                      no tag block, one will be created.\n");
+	fprintf(out, "--set-tag-from-file=FIELD   Like --set-tag, except the VALUE is a filename\n");
+	fprintf(out, "                      whose contents will be read verbatim to set the tag value.\n");
+	fprintf(out, "                      Unless --no-utf8-convert is specified, the contents will\n");
+	fprintf(out, "                      be converted to UTF-8 from the local charset.  This can\n");
+	fprintf(out, "                      be used to store a cuesheet in a tag (e.g.\n");
+	fprintf(out, "                      --set-tag-from-file=\"CUESHEET=image.cue\").  Do not try\n");
+	fprintf(out, "                      to store binary data in tag fields!  Use APPLICATION\n");
+	fprintf(out, "                      blocks for that.\n");
+	fprintf(out, "--import-tags-from=FILE Import tags from a file.  Use '-' for stdin.  Each line\n");
+	fprintf(out, "                      should be of the form NAME=VALUE.  Multi-line comments\n");
+	fprintf(out, "                      are currently not supported.  Specify --remove-all-tags\n");
+	fprintf(out, "                      and/or --no-utf8-convert before --import-tags-from if\n");
+	fprintf(out, "                      necessary.  If FILE is '-' (stdin), only one FLAC file\n");
+	fprintf(out, "                      may be specified.\n");
+	fprintf(out, "--export-tags-to=FILE Export tags to a file.  Use '-' for stdout.  Each line\n");
+	fprintf(out, "                      will be of the form NAME=VALUE.  Specify\n");
+	fprintf(out, "                      --no-utf8-convert if necessary.\n");
+	fprintf(out, "--import-cuesheet-from=FILE  Import a cuesheet from a file.  Use '-' for stdin.\n");
+	fprintf(out, "                      Only one FLAC file may be specified.  A seekpoint will be\n");
+	fprintf(out, "                      added for each index point in the cuesheet to the\n");
+	fprintf(out, "                      SEEKTABLE unless --no-cued-seekpoints is specified.\n");
+	fprintf(out, "--export-cuesheet-to=FILE  Export CUESHEET block to a cuesheet file, suitable\n");
+	fprintf(out, "                      for use by CD authoring software.  Use '-' for stdout.\n");
+	fprintf(out, "                      Only one FLAC file may be specified on the command line.\n");
+	fprintf(out, "--import-picture-from=FILENAME|SPECIFICATION  Import a picture and store it in a\n");
+	fprintf(out, "                      PICTURE block.  Either a filename for the picture file or\n");
+	fprintf(out, "                      a more complete specification form can be used.  The\n");
+	fprintf(out, "                      SPECIFICATION is a string whose parts are separated by |\n");
+	fprintf(out, "                      characters.  Some parts may be left empty to invoke\n");
+	fprintf(out, "                      default values.  FILENAME is just shorthand for\n");
+	fprintf(out, "                      \"||||FILENAME\".  The format of SPECIFICATION is:\n");
+	fprintf(out, "         [TYPE]|[MIME-TYPE]|[DESCRIPTION]|[WIDTHxHEIGHTxDEPTH[/COLORS]]|FILE\n");
+	fprintf(out, "           TYPE is optional; it is a number from one of:\n");
+	fprintf(out, "              0: Other\n");
+	fprintf(out, "              1: 32x32 pixels 'file icon' (PNG only)\n");
+	fprintf(out, "              2: Other file icon\n");
+	fprintf(out, "              3: Cover (front)\n");
+	fprintf(out, "              4: Cover (back)\n");
+	fprintf(out, "              5: Leaflet page\n");
+	fprintf(out, "              6: Media (e.g. label side of CD)\n");
+	fprintf(out, "              7: Lead artist/lead performer/soloist\n");
+	fprintf(out, "              8: Artist/performer\n");
+	fprintf(out, "              9: Conductor\n");
+	fprintf(out, "             10: Band/Orchestra\n");
+	fprintf(out, "             11: Composer\n");
+	fprintf(out, "             12: Lyricist/text writer\n");
+	fprintf(out, "             13: Recording Location\n");
+	fprintf(out, "             14: During recording\n");
+	fprintf(out, "             15: During performance\n");
+	fprintf(out, "             16: Movie/video screen capture\n");
+	fprintf(out, "             17: A bright coloured fish\n");
+	fprintf(out, "             18: Illustration\n");
+	fprintf(out, "             19: Band/artist logotype\n");
+	fprintf(out, "             20: Publisher/Studio logotype\n");
+	fprintf(out, "             The default is 3 (front cover).  There may only be one picture each\n");
+	fprintf(out, "             of type 1 and 2 in a file.\n");
+	fprintf(out, "           MIME-TYPE is optional; if left blank, it will be detected from the\n");
+	fprintf(out, "             file.  For best compatibility with players, use pictures with MIME\n");
+	fprintf(out, "             type image/jpeg or image/png.  The MIME type can also be --> to\n");
+	fprintf(out, "             mean that FILE is actually a URL to an image, though this use is\n");
+	fprintf(out, "             discouraged.\n");
+	fprintf(out, "           DESCRIPTION is optional; the default is an empty string\n");
+	fprintf(out, "           The next part specfies the resolution and color information.  If\n");
+	fprintf(out, "             the MIME-TYPE is image/jpeg, image/png, or image/gif, you can\n");
+	fprintf(out, "             usually leave this empty and they can be detected from the file.\n");
+	fprintf(out, "             Otherwise, you must specify the width in pixels, height in pixels,\n");
+	fprintf(out, "             and color depth in bits-per-pixel.  If the image has indexed colors\n");
+	fprintf(out, "             you should also specify the number of colors used.\n");
+	fprintf(out, "           FILE is the path to the picture file to be imported, or the URL if\n");
+	fprintf(out, "             MIME type is -->\n");
+	fprintf(out, "--export-picture-to=FILE  Export PICTURE block to a file.  Use '-' for stdout.\n");
+	fprintf(out, "                      Only one FLAC file may be specified.  The first PICTURE\n");
+	fprintf(out, "                      block will be exported unless --export-picture-to is\n");
+	fprintf(out, "                      preceded by a --block-number=# option to specify the exact\n");
+	fprintf(out, "                      metadata block to extract.  Note that the block number is\n");
+	fprintf(out, "                      the one shown by --list.\n");
+	fprintf(out, "--add-replay-gain     Calculates the title and album gains/peaks of the given\n");
+	fprintf(out, "                      FLAC files as if all the files were part of one album,\n");
+	fprintf(out, "                      then stores them in the VORBIS_COMMENT block.  The tags\n");
+	fprintf(out, "                      are the same as those used by vorbisgain.  Existing\n");
+	fprintf(out, "                      ReplayGain tags will be replaced.  If only one FLAC file\n");
+	fprintf(out, "                      is given, the album and title gains will be the same.\n");
+	fprintf(out, "                      Since this operation requires two passes, it is always\n");
+	fprintf(out, "                      executed last, after all other operations have been\n");
+	fprintf(out, "                      completed and written to disk.  All FLAC files specified\n");
+	fprintf(out, "                      must have the same resolution, sample rate, and number\n");
+	fprintf(out, "                      of channels.  The sample rate must be one of 8, 11.025,\n");
+	fprintf(out, "                      12, 16, 22.05, 24, 32, 44.1, or 48 kHz.\n");
+	fprintf(out, "--scan-replay-gain    Like --add-replay-gain, but only analyzes the files\n");
+	fprintf(out, "                      rather than writing them to tags.\n");
+	fprintf(out, "--remove-replay-gain  Removes the ReplayGain tags.\n");
+	fprintf(out, "--add-seekpoint={#|X|#x|#s}  Add seek points to a SEEKTABLE block\n");
+	fprintf(out, "       #  : a specific sample number for a seek point\n");
+	fprintf(out, "       X  : a placeholder point (always goes at the end of the SEEKTABLE)\n");
+	fprintf(out, "       #x : # evenly spaced seekpoints, the first being at sample 0\n");
+	fprintf(out, "       #s : a seekpoint every # seconds; # does not have to be a whole number\n");
+	fprintf(out, "                      If no SEEKTABLE block exists, one will be created.  If\n");
+	fprintf(out, "                      one already exists, points will be added to the existing\n");
+	fprintf(out, "                      table, and any duplicates will be turned into placeholder\n");
+	fprintf(out, "                      points.  You may use many --add-seekpoint options; the\n");
+	fprintf(out, "                      resulting SEEKTABLE will be the unique-ified union of\n");
+	fprintf(out, "                      all such values.  Example: --add-seekpoint=100x\n");
+	fprintf(out, "                      --add-seekpoint=3.5s will add 100 evenly spaced\n");
+	fprintf(out, "                      seekpoints and a seekpoint every 3.5 seconds.\n");
+	fprintf(out, "--add-padding=length  Add a padding block of the given length (in bytes).\n");
+	fprintf(out, "                      The overall length of the new block will be 4 + length;\n");
+	fprintf(out, "                      the extra 4 bytes is for the metadata block header.\n");
+	fprintf(out, "\n");
+	fprintf(out, "Major operations:\n");
+	fprintf(out, "--version\n");
+	fprintf(out, "    Show the metaflac version number.\n");
+	fprintf(out, "--list\n");
+	fprintf(out, "    List the contents of one or more metadata blocks to stdout.  By default,\n");
+	fprintf(out, "    all metadata blocks are listed in text format.  Use the following options\n");
+	fprintf(out, "    to change this behavior:\n");
+	fprintf(out, "\n");
+	fprintf(out, "    --block-number=#[,#[...]]\n");
+	fprintf(out, "    An optional comma-separated list of block numbers to display.  The first\n");
+	fprintf(out, "    block, the STREAMINFO block, is block 0.\n");
+	fprintf(out, "\n");
+	fprintf(out, "    --block-type=type[,type[...]]\n");
+	fprintf(out, "    --except-block-type=type[,type[...]]\n");
+	fprintf(out, "    An optional comma-separated list of block types to be included or ignored\n");
+	fprintf(out, "    with this option.  Use only one of --block-type or --except-block-type.\n");
+	fprintf(out, "    The valid block types are: STREAMINFO, PADDING, APPLICATION, SEEKTABLE,\n");
+	fprintf(out, "    VORBIS_COMMENT.  You may narrow down the types of APPLICATION blocks\n");
+	fprintf(out, "    displayed as follows:\n");
+	fprintf(out, "        APPLICATION:abcd        The APPLICATION block(s) whose textual repre-\n");
+	fprintf(out, "                                sentation of the 4-byte ID is \"abcd\"\n");
+	fprintf(out, "        APPLICATION:0xXXXXXXXX  The APPLICATION block(s) whose hexadecimal big-\n");
+	fprintf(out, "                                endian representation of the 4-byte ID is\n");
+	fprintf(out, "                                \"0xXXXXXXXX\".  For the example \"abcd\" above the\n");
+	fprintf(out, "                                hexadecimal equivalalent is 0x61626364\n");
+	fprintf(out, "\n");
+	fprintf(out, "    NOTE: if both --block-number and --[except-]block-type are specified,\n");
+	fprintf(out, "          the result is the logical AND of both arguments.\n");
+	fprintf(out, "\n");
+#if 0
+	/*@@@ not implemented yet */
+	fprintf(out, "    --data-format=binary|text\n");
+	fprintf(out, "    By default a human-readable text representation of the data is displayed.\n");
+	fprintf(out, "    You may specify --data-format=binary to dump the raw binary form of each\n");
+	fprintf(out, "    metadata block.  The output can be read in using a subsequent call to\n");
+	fprintf(out, "    "metaflac --append --from-file=..."\n");
+	fprintf(out, "\n");
+#endif
+	fprintf(out, "    --application-data-format=hexdump|text\n");
+	fprintf(out, "    If the application block you are displaying contains binary data but your\n");
+	fprintf(out, "    --data-format=text, you can display a hex dump of the application data\n");
+	fprintf(out, "    contents instead using --application-data-format=hexdump\n");
+	fprintf(out, "\n");
+#if 0
+	/*@@@ not implemented yet */
+	fprintf(out, "--append\n");
+	fprintf(out, "    Insert a metadata block from a file.  The input file must be in the same\n");
+	fprintf(out, "    format as generated with --list.\n");
+	fprintf(out, "\n");
+	fprintf(out, "    --block-number=#\n");
+	fprintf(out, "    Specify the insertion point (defaults to last block).  The new block will\n");
+	fprintf(out, "    be added after the given block number.  This prevents the illegal insertion\n");
+	fprintf(out, "    of a block before the first STREAMINFO block.  You may not --append another\n");
+	fprintf(out, "    STREAMINFO block.\n");
+	fprintf(out, "\n");
+	fprintf(out, "    --from-file=filename\n");
+	fprintf(out, "    Mandatory 'option' to specify the input file containing the block contents.\n");
+	fprintf(out, "\n");
+	fprintf(out, "    --data-format=binary|text\n");
+	fprintf(out, "    By default the block contents are assumed to be in binary format.  You can\n");
+	fprintf(out, "    override this by specifying --data-format=text\n");
+	fprintf(out, "\n");
+#endif
+	fprintf(out, "--remove\n");
+	fprintf(out, "    Remove one or more metadata blocks from the metadata.  Unless\n");
+	fprintf(out, "    --dont-use-padding is specified, the blocks will be replaced with padding.\n");
+	fprintf(out, "    You may not remove the STREAMINFO block.\n");
+	fprintf(out, "\n");
+	fprintf(out, "    --block-number=#[,#[...]]\n");
+	fprintf(out, "    --block-type=type[,type[...]]\n");
+	fprintf(out, "    --except-block-type=type[,type[...]]\n");
+	fprintf(out, "    See --list above for usage.\n");
+	fprintf(out, "\n");
+	fprintf(out, "    NOTE: if both --block-number and --[except-]block-type are specified,\n");
+	fprintf(out, "          the result is the logical AND of both arguments.\n");
+	fprintf(out, "\n");
+	fprintf(out, "--remove-all\n");
+	fprintf(out, "    Remove all metadata blocks (except the STREAMINFO block) from the\n");
+	fprintf(out, "    metadata.  Unless --dont-use-padding is specified, the blocks will be\n");
+	fprintf(out, "    replaced with padding.\n");
+	fprintf(out, "\n");
+	fprintf(out, "--merge-padding\n");
+	fprintf(out, "    Merge adjacent PADDING blocks into single blocks.\n");
+	fprintf(out, "\n");
+	fprintf(out, "--sort-padding\n");
+	fprintf(out, "    Move all PADDING blocks to the end of the metadata and merge them into a\n");
+	fprintf(out, "    single block.\n");
+
+	return message? 1 : 0;
+}

libsdl2_mixer/external/flac-1.3.2/src/metaflac/usage.h

@@ -0,0 +1,26 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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 metaflac__usage_h
+#define metaflac__usage_h
+
+int short_usage(const char *message, ...);
+int long_usage(const char *message, ...);
+
+#endif

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

@@ -0,0 +1,275 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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 <ctype.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "utils.h"
+#include "FLAC/assert.h"
+#include "share/alloc.h"
+#include "share/safe_str.h"
+#include "share/utf8.h"
+#include "share/compat.h"
+
+void die(const char *message)
+{
+	FLAC__ASSERT(0 != message);
+	flac_fprintf(stderr, "ERROR: %s\n", message);
+	exit(1);
+}
+
+#ifdef FLAC__VALGRIND_TESTING
+size_t local_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
+
+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;
+}
+
+void local_strcat(char **dest, const char *source)
+{
+	size_t ndest, nsource;
+
+	FLAC__ASSERT(0 != dest);
+	FLAC__ASSERT(0 != source);
+
+	ndest = *dest? strlen(*dest) : 0;
+	nsource = strlen(source);
+
+	if(nsource == 0)
+		return;
+
+	*dest = safe_realloc_add_3op_(*dest, ndest, /*+*/nsource, /*+*/1);
+	if(0 == *dest)
+		die("out of memory growing string");
+	safe_strncpy((*dest)+ndest, source, nsource + 1);
+}
+
+static inline int local_isprint(int c)
+{
+	if (c < 32) return 0;
+	return isprint(c);
+}
+
+void hexdump(const char *filename, const FLAC__byte *buf, unsigned bytes, const char *indent)
+{
+	unsigned i, left = bytes;
+	const FLAC__byte *b = buf;
+
+	for(i = 0; i < bytes; i += 16) {
+		flac_printf("%s%s", filename? filename:"", filename? ":":"");
+		printf("%s%08X: "
+			"%02X %02X %02X %02X %02X %02X %02X %02X "
+			"%02X %02X %02X %02X %02X %02X %02X %02X "
+			"%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n",
+			indent, i,
+			left >  0? (unsigned char)b[ 0] : 0,
+			left >  1? (unsigned char)b[ 1] : 0,
+			left >  2? (unsigned char)b[ 2] : 0,
+			left >  3? (unsigned char)b[ 3] : 0,
+			left >  4? (unsigned char)b[ 4] : 0,
+			left >  5? (unsigned char)b[ 5] : 0,
+			left >  6? (unsigned char)b[ 6] : 0,
+			left >  7? (unsigned char)b[ 7] : 0,
+			left >  8? (unsigned char)b[ 8] : 0,
+			left >  9? (unsigned char)b[ 9] : 0,
+			left > 10? (unsigned char)b[10] : 0,
+			left > 11? (unsigned char)b[11] : 0,
+			left > 12? (unsigned char)b[12] : 0,
+			left > 13? (unsigned char)b[13] : 0,
+			left > 14? (unsigned char)b[14] : 0,
+			left > 15? (unsigned char)b[15] : 0,
+			(left >  0) ? (local_isprint(b[ 0]) ? b[ 0] : '.') : ' ',
+			(left >  1) ? (local_isprint(b[ 1]) ? b[ 1] : '.') : ' ',
+			(left >  2) ? (local_isprint(b[ 2]) ? b[ 2] : '.') : ' ',
+			(left >  3) ? (local_isprint(b[ 3]) ? b[ 3] : '.') : ' ',
+			(left >  4) ? (local_isprint(b[ 4]) ? b[ 4] : '.') : ' ',
+			(left >  5) ? (local_isprint(b[ 5]) ? b[ 5] : '.') : ' ',
+			(left >  6) ? (local_isprint(b[ 6]) ? b[ 6] : '.') : ' ',
+			(left >  7) ? (local_isprint(b[ 7]) ? b[ 7] : '.') : ' ',
+			(left >  8) ? (local_isprint(b[ 8]) ? b[ 8] : '.') : ' ',
+			(left >  9) ? (local_isprint(b[ 9]) ? b[ 9] : '.') : ' ',
+			(left > 10) ? (local_isprint(b[10]) ? b[10] : '.') : ' ',
+			(left > 11) ? (local_isprint(b[11]) ? b[11] : '.') : ' ',
+			(left > 12) ? (local_isprint(b[12]) ? b[12] : '.') : ' ',
+			(left > 13) ? (local_isprint(b[13]) ? b[13] : '.') : ' ',
+			(left > 14) ? (local_isprint(b[14]) ? b[14] : '.') : ' ',
+			(left > 15) ? (local_isprint(b[15]) ? b[15] : '.') : ' '
+		);
+		left -= 16;
+		b += 16;
+   }
+}
+
+void print_error_with_chain_status(FLAC__Metadata_Chain *chain, const char *format, ...)
+{
+	const FLAC__Metadata_ChainStatus status = FLAC__metadata_chain_status(chain);
+	va_list args;
+
+	FLAC__ASSERT(0 != format);
+
+	va_start(args, format);
+
+	(void) flac_vfprintf(stderr, format, args);
+
+	va_end(args);
+
+	flac_fprintf(stderr, ", status = \"%s\"\n", FLAC__Metadata_ChainStatusString[status]);
+
+	if(status == FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE) {
+		flac_fprintf(stderr, "\n"
+			"The FLAC file could not be opened.  Most likely the file does not exist\n"
+			"or is not readable.\n"
+		);
+	}
+	else if(status == FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE) {
+		flac_fprintf(stderr, "\n"
+			"The file does not appear to be a FLAC file.\n"
+		);
+	}
+	else if(status == FLAC__METADATA_CHAIN_STATUS_NOT_WRITABLE) {
+		flac_fprintf(stderr, "\n"
+			"The FLAC file does not have write permissions.\n"
+		);
+	}
+	else if(status == FLAC__METADATA_CHAIN_STATUS_BAD_METADATA) {
+		flac_fprintf(stderr, "\n"
+			"The metadata to be written does not conform to the FLAC metadata\n"
+			"specifications.\n"
+		);
+	}
+	else if(status == FLAC__METADATA_CHAIN_STATUS_READ_ERROR) {
+		flac_fprintf(stderr, "\n"
+			"There was an error while reading the FLAC file.\n"
+		);
+	}
+	else if(status == FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR) {
+		flac_fprintf(stderr, "\n"
+			"There was an error while writing FLAC file; most probably the disk is\n"
+			"full.\n"
+		);
+	}
+	else if(status == FLAC__METADATA_CHAIN_STATUS_UNLINK_ERROR) {
+		flac_fprintf(stderr, "\n"
+			"There was an error removing the temporary FLAC file.\n"
+		);
+	}
+}
+
+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;
+}
+
+void write_vc_field(const char *filename, const FLAC__StreamMetadata_VorbisComment_Entry *entry, FLAC__bool raw, FILE *f)
+{
+	if(0 != entry->entry) {
+		if(filename)
+			flac_fprintf(f, "%s:", filename);
+
+		if(!raw) {
+			/*
+			 * WATCHOUT: comments that contain an embedded null will
+			 * be truncated by utf_decode().
+			 */
+#ifdef _WIN32 /* if we are outputting to console, we need to use proper print functions to show unicode characters */
+			if (f == stdout || f == stderr) {
+				flac_fprintf(f, "%s", entry->entry);
+			} else {
+#endif
+			char *converted;
+
+			if(utf8_decode((const char *)entry->entry, &converted) >= 0) {
+				(void) local_fwrite(converted, 1, strlen(converted), f);
+				free(converted);
+			}
+			else {
+				(void) local_fwrite(entry->entry, 1, entry->length, f);
+			}
+#ifdef _WIN32
+			}
+#endif
+		}
+		else {
+			(void) local_fwrite(entry->entry, 1, entry->length, f);
+		}
+	}
+
+	putc('\n', f);
+}
+
+void write_vc_fields(const char *filename, const char *field_name, const FLAC__StreamMetadata_VorbisComment_Entry entry[], unsigned num_entries, FLAC__bool raw, FILE *f)
+{
+	unsigned i;
+	const unsigned field_name_length = (0 != field_name)? strlen(field_name) : 0;
+
+	for(i = 0; i < num_entries; i++) {
+		if(0 == field_name || FLAC__metadata_object_vorbiscomment_entry_matches(entry[i], field_name, field_name_length))
+			write_vc_field(filename, entry + i, raw, f);
+	}
+}

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

@@ -0,0 +1,42 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  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 metaflac__utils_h
+#define metaflac__utils_h
+
+#include "FLAC/metadata.h"
+#include <stdio.h> /* for FILE */
+
+void die(const char *message);
+#ifdef FLAC__VALGRIND_TESTING
+size_t local_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
+#else
+#define local_fwrite fwrite
+#endif
+char *local_strdup(const char *source);
+void local_strcat(char **dest, const char *source);
+void hexdump(const char *filename, const FLAC__byte *buf, unsigned bytes, const char *indent);
+void print_error_with_chain_status(FLAC__Metadata_Chain *chain, const char *format, ...);
+
+FLAC__bool parse_vorbis_comment_field(const char *field_ref, char **field, char **name, char **value, unsigned *length, const char **violation);
+
+void write_vc_field(const char *filename, const FLAC__StreamMetadata_VorbisComment_Entry *entry, FLAC__bool raw, FILE *f);
+void write_vc_fields(const char *filename, const char *field_name, const FLAC__StreamMetadata_VorbisComment_Entry entry[], unsigned num_entries, FLAC__bool raw, FILE *f);
+
+#endif