[203] | 1 | //midi.h: |
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| 2 | |
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| 3 | #ifndef _LIBROARMIDI_H_ |
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| 4 | #define _LIBROARMIDI_H_ |
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| 5 | |
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| 6 | #include "libroar.h" |
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[367] | 7 | #include <math.h> |
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| 8 | |
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| 9 | #define ROAR_MIDI_NOTE_NONE -1 |
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| 10 | |
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| 11 | #define ROAR_MIDI_NOTE_C 26162 |
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| 12 | #define ROAR_MIDI_NOTE_Cs 27718 |
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| 13 | #define ROAR_MIDI_NOTE_D 29366 |
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| 14 | #define ROAR_MIDI_NOTE_Ds 31112 |
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| 15 | #define ROAR_MIDI_NOTE_E 32962 |
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| 16 | #define ROAR_MIDI_NOTE_F 34922 |
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| 17 | #define ROAR_MIDI_NOTE_Fs 36999 |
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| 18 | #define ROAR_MIDI_NOTE_G 39199 |
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| 19 | #define ROAR_MIDI_NOTE_Gs 41530 |
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| 20 | #define ROAR_MIDI_NOTE_A 44000 |
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| 21 | #define ROAR_MIDI_NOTE_As 46616 |
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| 22 | #define ROAR_MIDI_NOTE_B 49388 |
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| 23 | |
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| 24 | #define ROAR_MIDI_MAX_NOTENAME_LEN (1+8) |
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| 25 | |
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| 26 | #define ROAR_MIDI_TYPE_SINE 1 |
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| 27 | |
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[370] | 28 | struct roar_midi_len { |
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| 29 | int mul; |
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| 30 | int div; |
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| 31 | }; |
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| 32 | |
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[367] | 33 | struct roar_note_octave { |
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| 34 | uint16_t note; |
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| 35 | char name[ROAR_MIDI_MAX_NOTENAME_LEN+1]; |
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| 36 | int octave; |
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| 37 | float freq; |
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[370] | 38 | struct roar_midi_len len; |
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[367] | 39 | }; |
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| 40 | |
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| 41 | |
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[370] | 42 | struct roar_midi_basic_state { |
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| 43 | struct roar_midi_len len; |
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| 44 | struct roar_note_octave note; |
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| 45 | }; |
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| 46 | |
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[367] | 47 | char * roar_midi_note2name (uint16_t note); |
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| 48 | uint16_t roar_midi_name2note (char * note); |
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| 49 | float roar_midi_note2freq (uint16_t note); |
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| 50 | |
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| 51 | //int roar_midi_free_no (struct roar_note_octave * note); |
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| 52 | |
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| 53 | int roar_midi_find_octave (char * note); |
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| 54 | int roar_midi_add_octave (struct roar_note_octave * note); |
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| 55 | int roar_midi_notefill (struct roar_note_octave * note); |
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| 56 | |
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| 57 | int roar_midi_gen_tone (struct roar_note_octave * note, int16_t * samples, float t, int rate, int channels, int type, void * opts); |
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[203] | 58 | |
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[370] | 59 | |
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| 60 | int roar_midi_play_note (struct roar_stream * stream, struct roar_note_octave * note, float len); |
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| 61 | |
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| 62 | int roar_midi_basic_init (struct roar_midi_basic_state * state); |
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| 63 | int roar_midi_basic_play (struct roar_stream * stream, struct roar_midi_basic_state * state, char * notes); |
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| 64 | |
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[203] | 65 | #endif |
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| 66 | |
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| 67 | //ll |
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