Changeset 370:925790633b2a in roaraudio for include/libroardsp/midi.h

Timestamp:

08/03/08 14:49:05 (16 years ago)

Author:

phi

Branch:

default

Phase:

public

Message:

added some BASIC PLAY like functions

File:

• include/libroardsp/midi.h (modified) (3 diffs)

include/libroardsp/midi.h

@@ -26 +26 @@
 #define ROAR_MIDI_TYPE_SINE 1
 
+struct roar_midi_len {
+ int mul;
+ int div;
+};
+
 struct roar_note_octave {
  uint16_t       note;
@@ -31 +36 @@
  int            octave;
  float          freq;
- int            len_mul;
- int            len_div;
+ struct roar_midi_len len;
 };
 
+
+struct roar_midi_basic_state {
+ struct roar_midi_len    len;
+ struct roar_note_octave note;
+};
 
 char         * roar_midi_note2name   (uint16_t note);
@@ -48 +57 @@
 int            roar_midi_gen_tone    (struct roar_note_octave * note, int16_t * samples, float t, int rate, int channels, int type, void * opts);
 
+
+int roar_midi_play_note  (struct roar_stream * stream, struct roar_note_octave * note, float len);
+
+int roar_midi_basic_init (struct roar_midi_basic_state * state);
+int roar_midi_basic_play (struct roar_stream * stream, struct roar_midi_basic_state * state, char * notes);
+
 #endif