118 lines
3.9 KiB
C++
118 lines
3.9 KiB
C++
/*
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TiMidity -- Experimental MIDI to WAVE converter
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Copyright (C) 1995 Tuukka Toivonen <toivonen@clinet.fi>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the Perl Artistic License, available in COPYING.
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*/
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/* When a patch file can't be opened, one of these extensions is
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appended to the filename and the open is tried again.
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*/
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#define PATCH_EXT_LIST { ".pat", 0 }
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/* Acoustic Grand Piano seems to be the usual default instrument. */
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#define DEFAULT_PROGRAM 0
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/* 9 here is MIDI channel 10, which is the standard percussion channel.
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Some files (notably C:\WINDOWS\CANYON.MID) think that 16 is one too.
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On the other hand, some files know that 16 is not a drum channel and
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try to play music on it. This is now a runtime option, so this isn't
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a critical choice anymore. */
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#define DEFAULT_DRUMCHANNELS (1<<9)
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/* In percent. */
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#define DEFAULT_AMPLIFICATION 70
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/* Default polyphony */
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/* #define DEFAULT_VOICES 32 */
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#define DEFAULT_VOICES 256
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/* 1000 here will give a control ratio of 22:1 with 22 kHz output.
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Higher CONTROLS_PER_SECOND values allow more accurate rendering
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of envelopes and tremolo. The cost is CPU time. */
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#define CONTROLS_PER_SECOND 1000
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/* Make envelopes twice as fast. Saves ~20% CPU time (notes decay
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faster) and sounds more like a GUS. There is now a command line
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option to toggle this as well. */
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#define FAST_DECAY
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/* How many bits to use for the fractional part of sample positions.
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This affects tonal accuracy. The entire position counter must fit
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in 32 bits, so with FRACTION_BITS equal to 12, the maximum size of
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a sample is 1048576 samples (2 megabytes in memory). The GUS gets
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by with just 9 bits and a little help from its friends...
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"The GUS does not SUCK!!!" -- a happy user :) */
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#define FRACTION_BITS 12
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/* For some reason the sample volume is always set to maximum in all
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patch files. Define this for a crude adjustment that may help
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equalize instrument volumes. */
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#define ADJUST_SAMPLE_VOLUMES
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/* The number of samples to use for ramping out a dying note. Affects
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click removal. */
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#define MAX_DIE_TIME 20
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/**************************************************************************/
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/* Anything below this shouldn't need to be changed unless you're porting
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to a new machine with other than 32-bit, big-endian words. */
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/**************************************************************************/
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/* change FRACTION_BITS above, not these */
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#define INTEGER_MASK (0xFFFFFFFF << FRACTION_BITS)
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#define FRACTION_MASK (~ INTEGER_MASK)
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/* This is enforced by some computations that must fit in an int */
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#define MAX_CONTROL_RATIO 255
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#define MAX_AMPLIFICATION 800
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/* You could specify a complete path, e.g. "/etc/timidity.cfg", and
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then specify the library directory in the configuration file. */
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#define CONFIG_FILE "timidity.cfg"
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#define CONFIG_FILE_ETC "/etc/timidity.cfg"
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#define CONFIG_FILE_ETC_TIMIDITY_FREEPATS "/etc/timidity/freepats.cfg"
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#if defined(__WIN32__) || defined(__OS2__)
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#define DEFAULT_PATH "C:\\TIMIDITY"
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#else
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#define DEFAULT_PATH "/etc/timidity"
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#define DEFAULT_PATH1 "/usr/share/timidity"
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#define DEFAULT_PATH2 "/usr/local/share/timidity"
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#define DEFAULT_PATH3 "/usr/local/lib/timidity"
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#endif
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/* These affect general volume */
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#define GUARD_BITS 3
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#define AMP_BITS (15-GUARD_BITS)
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#define MAX_AMP_VALUE ((1<<(AMP_BITS+1))-1)
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#define FSCALE(a,b) (float)((a) * (double)(1<<(b)))
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#define FSCALENEG(a,b) (float)((a) * (1.0L / (double)(1<<(b))))
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/* Vibrato and tremolo Choices of the Day */
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#define SWEEP_TUNING 38
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#define VIBRATO_AMPLITUDE_TUNING 1.0L
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#define VIBRATO_RATE_TUNING 38
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#define TREMOLO_AMPLITUDE_TUNING 1.0L
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#define TREMOLO_RATE_TUNING 38
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#define SWEEP_SHIFT 16
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#define RATE_SHIFT 5
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#ifndef PI
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#define PI 3.14159265358979323846
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#endif
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/* The path separator (D.M.) */
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#if defined(__WIN32__) || defined(__OS2__)
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# define PATH_SEP '\\'
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#else
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# define PATH_SEP '/'
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#endif
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#define SNDDBG(X)
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