/*

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)