playmidi.h
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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
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it under the terms of the Perl Artistic License, available in COPYING.
*/
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typedef struct {
int32 time;
uint8 channel, type, a, b;
} MidiEvent;
/* Midi events */
#define ME_NONE 0
#define ME_NOTEON 1
#define ME_NOTEOFF 2
#define ME_KEYPRESSURE 3
#define ME_MAINVOLUME 4
#define ME_PAN 5
#define ME_SUSTAIN 6
#define ME_EXPRESSION 7
#define ME_PITCHWHEEL 8
#define ME_PROGRAM 9
#define ME_TEMPO 10
#define ME_PITCH_SENS 11
#define ME_ALL_SOUNDS_OFF 12
#define ME_RESET_CONTROLLERS 13
#define ME_ALL_NOTES_OFF 14
#define ME_TONE_BANK 15
#define ME_LYRIC 16
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#define ME_TONE_KIT 17
#define ME_MASTERVOLUME 18
#define ME_CHANNEL_PRESSURE 19
#define ME_HARMONICCONTENT 71
#define ME_RELEASETIME 72
#define ME_ATTACKTIME 73
#define ME_BRIGHTNESS 74
#define ME_REVERBERATION 91
#define ME_CHORUSDEPTH 93
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#define ME_EOT 99
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#define SFX_BANKTYPE 64
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typedef struct {
int
bank, program, volume, sustain, panning, pitchbend, expression,
mono, /* one note only on this channel -- not implemented yet */
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/* new stuff */
variationbank, reverberation, chorusdepth, harmoniccontent,
releasetime, attacktime, brightness, kit, sfx,
/* end new */
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pitchsens;
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pitchfactor; /* precomputed pitch bend factor to save some fdiv's */
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char transpose;
char *name;
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} Channel;
/* Causes the instrument's default panning to be used. */
#define NO_PANNING -1
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/* envelope points */
#define MAXPOINT 7
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typedef struct {
uint8
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status, channel, note, velocity, clone_type;
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Sample *sample;
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Sample *left_sample;
Sample *right_sample;
int32 clone_voice;
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int32
orig_frequency, frequency,
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sample_offset, loop_start, loop_end;
int32
envelope_volume, modulation_volume;
int32
envelope_target, modulation_target;
int32
tremolo_sweep, tremolo_sweep_position, tremolo_phase,
lfo_sweep, lfo_sweep_position, lfo_phase,
vibrato_sweep, vibrato_sweep_position, vibrato_depth, vibrato_delay,
starttime, echo_delay_count;
int32
echo_delay,
sample_increment,
envelope_increment,
modulation_increment,
tremolo_phase_increment,
lfo_phase_increment;
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final_volume_t left_mix, right_mix, lr_mix, rr_mix, ce_mix, lfe_mix;
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FLOAT_T
left_amp, right_amp, lr_amp, rr_amp, ce_amp, lfe_amp,
volume, tremolo_volume, lfo_volume;
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int32
vibrato_sample_increment[VIBRATO_SAMPLE_INCREMENTS];
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int32
envelope_rate[MAXPOINT], envelope_offset[MAXPOINT];
int32
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vibrato_phase, vibrato_control_ratio, vibrato_control_counter,
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envelope_stage, modulation_stage, control_counter,
modulation_delay, modulation_counter, panning, panned;
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} Voice;
/* Voice status options: */
#define VOICE_FREE 0
#define VOICE_ON 1
#define VOICE_SUSTAINED 2
#define VOICE_OFF 3
#define VOICE_DIE 4
/* Voice panned options: */
#define PANNED_MYSTERY 0
#define PANNED_LEFT 1
#define PANNED_RIGHT 2
#define PANNED_CENTER 3
/* Anything but PANNED_MYSTERY only uses the left volume */
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/* Envelope stages: */
#define ATTACK 0
#define HOLD 1
#define DECAY 2
#define RELEASE 3
#define RELEASEB 4
#define RELEASEC 5
#define DELAY 6
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extern Channel channel[16];
extern Voice voice[MAX_VOICES];
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extern signed char drumvolume[MAXCHAN][MAXNOTE];
extern signed char drumpanpot[MAXCHAN][MAXNOTE];
extern signed char drumreverberation[MAXCHAN][MAXNOTE];
extern signed char drumchorusdepth[MAXCHAN][MAXNOTE];
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extern int32 control_ratio, amp_with_poly, amplification;
extern int32 drumchannels;
extern int adjust_panning_immediately;
extern int voices;
#define ISDRUMCHANNEL(c) ((drumchannels & (1<<(c))))
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extern int GM_System_On;
extern int XG_System_On;
extern int GS_System_On;
extern int XG_System_reverb_type;
extern int XG_System_chorus_type;
extern int XG_System_variation_type;
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extern int play_midi(MidiEvent *el, int32 events, int32 samples);
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extern int play_midi_file(const char *fn);
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extern void dumb_pass_playing_list(int number_of_files, char *list_of_files[]);