static PaError StartStream( PaStream *s )
{
PaError result = paNoError;
PaSkeletonStream *stream = (PaSkeletonStream*)s;
PaUtil_ResetBufferProcessor( &stream->bufferProcessor );
/* IMPLEMENT ME, see portaudio.h for required behavior */
/* suppress unused function warning. the code in ExampleHostProcessingLoop or
something similar should be implemented to feed samples to and from the
host after StartStream() is called.
*/
(void) ExampleHostProcessingLoop;
return result;
}
static PaError
StartStream(PaStream *stream)
{
PaSndioStream *s = (PaSndioStream *)stream;
unsigned primes, wblksz;
int err;
DPR("StartStream: s=%d, a=%d\n", s->stopped, s->active);
if (!s->stopped) {
DPR("StartStream: already started\n");
return paNoError;
}
s->stopped = 0;
s->active = 1;
s->realpos = 0;
s->wpos = 0;
s->rpos = 0;
PaUtil_ResetBufferProcessor(&s->bufproc);
if (!sio_start(s->hdl))
return paUnanticipatedHostError;
/*
* send a complete buffer of silence
*/
if (s->mode & SIO_PLAY) {
wblksz = s->par.round * s->par.pchan * s->par.bps;
memset(s->wbuf, 0, wblksz);
for (primes = s->par.bufsz / s->par.round; primes > 0; primes--)
s->wpos += sio_write(s->hdl, s->wbuf, wblksz);
}
if (s->base.streamCallback) {
err = pthread_create(&s->thread, NULL, sndioThread, s);
if (err) {
DPR("SndioStartStream: couldn't create thread\n");
return paUnanticipatedHostError;
}
DPR("StartStream: started...\n");
}
return paNoError;
}
