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Use a switch to handle the ALSA PCM state

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This commit is contained in:
Chris Robinson 2012-02-27 04:31:03 -08:00
parent f29fbdf088
commit 4b88168edb
1 changed files with 22 additions and 10 deletions
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32
Alc/backends/alsa.c
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@ -397,17 +397,29 @@ static DevMap *probe_devices(snd_pcm_stream_t stream, ALuint *count)
static int verify_state(snd_pcm_t *handle)
{
snd_pcm_state_t state = snd_pcm_state(handle);
if(state == SND_PCM_STATE_DISCONNECTED)
int err;
switch(state)
{
case SND_PCM_STATE_OPEN:
case SND_PCM_STATE_SETUP:
case SND_PCM_STATE_PREPARED:
case SND_PCM_STATE_RUNNING:
case SND_PCM_STATE_DRAINING:
case SND_PCM_STATE_PAUSED:
/* All Okay */
break;
case SND_PCM_STATE_XRUN:
if((err=snd_pcm_recover(handle, -EPIPE, 1)) < 0)
return err;
break;
case SND_PCM_STATE_SUSPENDED:
if((err=snd_pcm_recover(handle, -ESTRPIPE, 1)) < 0)
return err;
break;
case SND_PCM_STATE_DISCONNECTED:
return -ENODEV;
if(state == SND_PCM_STATE_XRUN)
{
int err = snd_pcm_recover(handle, -EPIPE, 1);
if(err < 0) return err;
}
else if(state == SND_PCM_STATE_SUSPENDED)
{
int err = snd_pcm_recover(handle, -ESTRPIPE, 1);
if(err < 0) return err;
}
return state;