Mercurial > SDL_sound_CoreAudio
view decoders/timidity/options.h @ 208:32376317eedb
Initial adds.
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Thu, 10 Jan 2002 01:16:24 +0000 |
parents | 2d887640d300 |
children |
line wrap: on
line source
/* 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* 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) | (1<<15)) /* In percent. */ #define DEFAULT_AMPLIFICATION 70 /* Default polyphony */ #define DEFAULT_VOICES 32 /* 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 /* The TiMidity configuration file */ #define CONFIG_FILE "timidity.cfg" /* 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.) */ #ifdef WIN32 # define PATH_SEP '\\' #else # define PATH_SEP '/' #endif