static int xrun_recovery(snd_pcm_t *handle, int err)
{
if (err == -EPIPE) { /* under-run */
err = alsa_pcm_prepare(handle);
if (err < 0)
printf("Can't recover from underrun, prepare failed: %s\n", snd_strerror(err));
return 0;
} else if (err == -ESTRPIPE) {
while ((err = alsa_pcm_resume(handle)) == -EAGAIN)
sleep(1); /* wait until the suspend flag is released */
if (err < 0) {
err = alsa_pcm_prepare(handle);
if (err < 0)
printf("Can't recover from suspend, prepare failed: %s\n", snd_strerror(err));
}
return 0;
}
return err;
}
static int ALSA_PlayStart(void)
{
int err;
if (pcm_h == NULL) return 1;
err = alsa_pcm_prepare(pcm_h);
if (err == 0)
err = alsa_pcm_start(pcm_h);
if (err < 0) {
enabled = 0;
_mm_errno = MMERR_ALSA_PCM_START;
return 1;
}
return VC_PlayStart();
}