void play(const char *s[]) {
float duration = 0.5f * tempo / 4.0f;
float len = strlen(s[0]);
//fprintf(stderr, "%s\n", s[0]);
// get the update for each string
for(int l = 0; l < len; l++) {
for(int i = 0; i < 6; i++) {
if(s[i][l] != '-') {
if(s[i][l] == 'o') { // damp
} else { // it's a note
int note = (s[i][l] - '0') + stringNote[i];
m_Strings[i].playNote(NoteToFreq(note));
}
}
}
// generate sound
for(int d = 0; d < FREQ * duration; d++) {
float output = 0.0f;
for(int i = 0; i < 6; i++) {
// write sound
output += m_Strings[i].output(1.0f / FREQ);
}
fwrite(&output, sizeof(float), 1, stdout);
}
fflush(stdout);
}
}
// piano note
void playNote(int note, float duration) {
float freq = NoteToFreq(note);
synth.playNote(freq);
float dt = 1.0f / FREQ;
float timer = 0.0f;
while(timer < duration) {
float out = synth.output(dt);
fwrite(&out, sizeof(float), 1, stdout);
timer += dt;
}
}
char loader(char song_id) {
index = 0;
waitFor = 0;
if( song_id<'1' || song_id>'9' || song_id>DataModule[0] )
return 1;
int offset=2;
song_id -= '0';
if(song_id>1){ //moves variable offset past other songs
for (char nulls = 0; nulls < song_id-1 ; ++offset){
if(DataModule[offset]==0)
nulls++;
}
}
int i = 0;
for(i=0; DataModule[offset+4*i] != 0 ; i++){
freqs[i] = NoteToFreq( DataModule[offset + 4*i], DataModule[offset + 4*i+1] );
durations[i] = CodeToMillisec( DataModule[offset + 4*i+2], DataModule[offset + 4*i+3] );
}
freqs[i] = 0;
durations[i] = 0;
return 0;
}