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input/alsa: check snd_pcm_state() in Recover()

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Copy some good code from the ALSA output plugin.
This commit is contained in:
Max Kellermann 2017-01-14 20:49:59 +01:00
parent 4ad0747c78
commit 667f209742
1 changed files with 29 additions and 8 deletions
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37
src/input/plugins/AlsaInputPlugin.cxx
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@ -231,19 +231,40 @@ AlsaInputStream::Recover(int err)
switch(err) {
case -EPIPE:
LogDebug(alsa_input_domain, "Buffer Overrun");
// drop through
break;
}
switch (snd_pcm_state(capture_handle)) {
case SND_PCM_STATE_PAUSED:
err = snd_pcm_pause(capture_handle, /* disable */ 0);
break;
case SND_PCM_STATE_SUSPENDED:
err = snd_pcm_resume(capture_handle);
if (err == -EAGAIN)
return 0;
/* fall-through to snd_pcm_prepare: */
#if GCC_CHECK_VERSION(7,0)
[[fallthrough]];
#endif
case -ESTRPIPE:
case -EINTR:
err = snd_pcm_recover(capture_handle, err, 1);
case SND_PCM_STATE_OPEN:
case SND_PCM_STATE_SETUP:
case SND_PCM_STATE_XRUN:
err = snd_pcm_prepare(capture_handle);
break;
case SND_PCM_STATE_DISCONNECTED:
break;
case SND_PCM_STATE_PREPARED:
case SND_PCM_STATE_RUNNING:
case SND_PCM_STATE_DRAINING:
/* this is no error, so just keep running */
err = 0;
break;
default:
// something broken somewhere, give up
err = -1;
}
return err;
}