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Do not segfault when snd_pcm_avail_update() fails.

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This commit is contained in:
Themaister 2012-09-24 16:40:51 +02:00
parent 4107218a5f
commit c472688663
1 changed files with 9 additions and 1 deletions
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10
audio/alsa.c
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@ -223,7 +223,15 @@ static void alsa_free(void *data)
static size_t alsa_write_avail(void *data)
{
alsa_t *alsa = (alsa_t*)data;
return snd_pcm_frames_to_bytes(alsa->pcm, snd_pcm_avail_update(alsa->pcm));
snd_pcm_sframes_t avail = snd_pcm_avail_update(alsa->pcm);
if (avail < 0)
{
RARCH_WARN("[ALSA]: avail_update() failed: %s\n", snd_strerror(avail));
return alsa->buffer_size;
}
return snd_pcm_frames_to_bytes(alsa->pcm, avail);
}
static size_t alsa_buffer_size(void *data)