Changeset 367:0216492669e8 in roaraudio for include/libroardsp/midi.h

Timestamp:

08/03/08 14:18:12 (16 years ago)

Author:

phi

Branch:

default

Phase:

public

Message:

done a lot basic midi things

File:

• include/libroardsp/midi.h (modified) (1 diff)

include/libroardsp/midi.h

@@ -5 +5 @@
 
 #include "libroar.h"
+#include <math.h>
+
+#define ROAR_MIDI_NOTE_NONE -1
+
+#define ROAR_MIDI_NOTE_C  26162
+#define ROAR_MIDI_NOTE_Cs 27718
+#define ROAR_MIDI_NOTE_D  29366
+#define ROAR_MIDI_NOTE_Ds 31112
+#define ROAR_MIDI_NOTE_E  32962
+#define ROAR_MIDI_NOTE_F  34922
+#define ROAR_MIDI_NOTE_Fs 36999
+#define ROAR_MIDI_NOTE_G  39199
+#define ROAR_MIDI_NOTE_Gs 41530
+#define ROAR_MIDI_NOTE_A  44000
+#define ROAR_MIDI_NOTE_As 46616
+#define ROAR_MIDI_NOTE_B  49388
+
+#define ROAR_MIDI_MAX_NOTENAME_LEN (1+8)
+
+#define ROAR_MIDI_TYPE_SINE 1
+
+struct roar_note_octave {
+ uint16_t       note;
+ char           name[ROAR_MIDI_MAX_NOTENAME_LEN+1];
+ int            octave;
+ float          freq;
+ int            len_mul;
+ int            len_div;
+};
+
+
+char         * roar_midi_note2name   (uint16_t note);
+uint16_t       roar_midi_name2note   (char * note);
+float          roar_midi_note2freq   (uint16_t note);
+
+//int            roar_midi_free_no     (struct roar_note_octave * note);
+
+int            roar_midi_find_octave (char * note);
+int            roar_midi_add_octave  (struct roar_note_octave * note);
+int            roar_midi_notefill    (struct roar_note_octave * note);
+
+int            roar_midi_gen_tone    (struct roar_note_octave * note, int16_t * samples, float t, int rate, int channels, int type, void * opts);
 
 #endif