
#define MIDI_OK                 1
#define MIDI_NOT_OK             0
#define MIDI_NOT_PLAYING        -1


void midi_init(char *map, char *voices, int defaultvoice);
int midi_start(byte *ptr, int size, int *duration);
int midi_poll(int *position, soundevent **future, int *used);
void midi_stop(void);
void midi_set_volume(int volume);
void midi_set_transpose(int transpose);
void midi_set_tempo(int tempo);
void midi_set_position(int cs);
