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