int main (int argc, char **argv)
{
Lyd *lyd;
LydVoice *voice;
LydProgram *instrument;
int i;
const char *code = "saw(hz=440.0) * adsr(0.1, 0.2, 0.8, 0.50) * 2";
float scale[]={261.63, 293.66, 329.63, 349.23, 392.0,
440.0, 493.88, 523.25, 493.88, 440.0,
392.0, 349.23, 329.63, 293.66, 261.0};
lyd = lyd_new ();
if (!lyd_audio_init (lyd, "auto"))
{
lyd_free (lyd);
printf ("failed to initialize lyd (audio output)\n");
return -1;
}
instrument = lyd_compile (lyd, code);
for (i = 0; i<14;i++)
{
voice = lyd_voice_new (lyd, instrument, 0.3 * i, 0);
lyd_voice_set_param (voice, "hz", scale[i]);
lyd_voice_set_duration (voice, 0.2);
}
lyd_program_free (instrument);
sleep (5);
lyd_free (lyd);
return 0;
}
void lyd_set_patch (Lyd *lyd,
int no,
const char *patch)
{
midi_patches[no] = strdup (patch); /* XXX: leaking */
if (midi_programs[no])
lyd_program_free (midi_programs[no]);
midi_programs[no] = lyd_compile (lyd, patch);
}