static int mixmaster(jack_nframes_t nframes, void *arg) {
sample_t *outs[QMX_CHANNELS], *ch;
size_t n, i;
if (use_jack && need_init_guile) {
scm_init_guile();
need_init_guile = 0;
}
for (n = 0; n < QMX_CHANNELS; n++) {
// zero the mix buffers
if (use_jack)
ch = outs[n] = jack_port_get_buffer(jack_cauldron[n], nframes);
else ch = outs[n] = fixed_cauldron + n * nframes;
for (i = 0; i < nframes; i++) ch[i] = 0.0;
}
// mix from sources
alsa_mix(nframes, outs);
audio_files_mix(nframes, outs);
feeds_mix(nframes, outs);
if (use_jack) jack_ports_mix(nframes, outs);
unit_gens_mix(nframes, outs);
// process mix; e.g. fade
run_filter(fader, nframes, outs, outs, 0);
// deliver mix
buffer_out(nframes, outs);
record(nframes, outs);
return 0;
}
int
mlpipebuf::sync()
{
#ifdef DEBUG
char *fname = "mlpipebuf::sync()";
Tracebuf T(fname);
#endif
return buffer_out();
}
mlpipebuf::int_type
mlpipebuf::overflow(int_type c)
{
#ifdef DEBUG
char *fname = "mlpipebuf::overflow(int_type c)";
Tracebuf T(fname);
#endif
if(buffer_out() < 0)
return EOF;
else {
if(c != EOF)
return sputc(c);
else
return c;
}
}
