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/*
    TiMidity -- Experimental MIDI to WAVE converter
    Copyright (C) 1995 Tuukka Toivonen <toivonen@clinet.fi>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the Perl Artistic License, available in COPYING.
*/

/* When a patch file can't be opened, one of these extensions is
   appended to the filename and the open is tried again.
 */
#define PATCH_EXT_LIST { ".pat", 0 }

/* Acoustic Grand Piano seems to be the usual default instrument. */
#define DEFAULT_PROGRAM 0

/* 9 here is MIDI channel 10, which is the standard percussion channel.
   Some files (notably C:\WINDOWS\CANYON.MID) think that 16 is one too. 
   On the other hand, some files know that 16 is not a drum channel and
   try to play music on it. This is now a runtime option, so this isn't
   a critical choice anymore. */
#define DEFAULT_DRUMCHANNELS (1<<9)

/* In percent. */
#define DEFAULT_AMPLIFICATION 	70

/* Default polyphony */
/* #define DEFAULT_VOICES	32 */
#define DEFAULT_VOICES	256

/* 1000 here will give a control ratio of 22:1 with 22 kHz output.
   Higher CONTROLS_PER_SECOND values allow more accurate rendering
   of envelopes and tremolo. The cost is CPU time. */
#define CONTROLS_PER_SECOND 1000

/* Make envelopes twice as fast. Saves ~20% CPU time (notes decay
   faster) and sounds more like a GUS. There is now a command line
   option to toggle this as well. */
#define FAST_DECAY

/* How many bits to use for the fractional part of sample positions.
   This affects tonal accuracy. The entire position counter must fit
   in 32 bits, so with FRACTION_BITS equal to 12, the maximum size of
   a sample is 1048576 samples (2 megabytes in memory). The GUS gets
   by with just 9 bits and a little help from its friends...
   "The GUS does not SUCK!!!" -- a happy user :) */
#define FRACTION_BITS 12

/* For some reason the sample volume is always set to maximum in all
   patch files. Define this for a crude adjustment that may help
   equalize instrument volumes. */
#define ADJUST_SAMPLE_VOLUMES

/* The number of samples to use for ramping out a dying note. Affects
   click removal. */
#define MAX_DIE_TIME 20

/**************************************************************************/
/* Anything below this shouldn't need to be changed unless you're porting
   to a new machine with other than 32-bit, big-endian words. */
/**************************************************************************/

/* change FRACTION_BITS above, not these */
#define INTEGER_MASK (0xFFFFFFFF << FRACTION_BITS)
#define FRACTION_MASK (~ INTEGER_MASK)

/* This is enforced by some computations that must fit in an int */
#define MAX_CONTROL_RATIO 255

#define MAX_AMPLIFICATION 800

/* You could specify a complete path, e.g. "/etc/timidity.cfg", and
   then specify the library directory in the configuration file. */
#define CONFIG_FILE	"timidity.cfg"
#define CONFIG_FILE_ETC "/etc/timidity.cfg"
#define CONFIG_FILE_ETC_TIMIDITY_FREEPATS "/etc/timidity/freepats.cfg"

#if defined(__WIN32__) || defined(__OS2__)
#define DEFAULT_PATH	"C:\\TIMIDITY"
#else
#define DEFAULT_PATH	"/etc/timidity"
#define DEFAULT_PATH1	"/usr/share/timidity"
#define DEFAULT_PATH2	"/usr/local/share/timidity"
#define DEFAULT_PATH3	"/usr/local/lib/timidity"
#endif

/* These affect general volume */
#define GUARD_BITS 3
#define AMP_BITS (15-GUARD_BITS)

#define MAX_AMP_VALUE ((1<<(AMP_BITS+1))-1)

#define FSCALE(a,b) (float)((a) * (double)(1<<(b)))
#define FSCALENEG(a,b) (float)((a) * (1.0L / (double)(1<<(b))))

/* Vibrato and tremolo Choices of the Day */
#define SWEEP_TUNING 38
#define VIBRATO_AMPLITUDE_TUNING 1.0L
#define VIBRATO_RATE_TUNING 38
#define TREMOLO_AMPLITUDE_TUNING 1.0L
#define TREMOLO_RATE_TUNING 38

#define SWEEP_SHIFT 16
#define RATE_SHIFT 5

#ifndef PI
  #define PI 3.14159265358979323846
#endif

/* The path separator (D.M.) */
#if defined(__WIN32__) || defined(__OS2__)
#  define PATH_SEP '\\'
#else
#  define PATH_SEP '/'
#endif

#define SNDDBG(X)