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alsa: work around slightly broken _delay implementations

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Use snd_pcm_avail_delay() in pa_alsa_safe_delay() so that we can check the delay
value against the avail value and patch it up when it looks invalid. Only do
this for capture.
This commit is contained in:
Wim Taymans 2010-09-08 13:26:39 +02:00 • committed by Colin Guthrie
parent 74c117f49f
commit 1c29f5582d
4 changed files with 46 additions and 6 deletions
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2
src/modules/alsa/alsa-source.c
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@ -760,7 +760,7 @@ static void update_smoother(struct userdata *u) {
/* Let's update the time smoother */
if (PA_UNLIKELY((err = pa_alsa_safe_delay(u->pcm_handle, &delay, u->hwbuf_size, &u->source->sample_spec)) < 0)) {
if (PA_UNLIKELY((err = pa_alsa_safe_delay(u->pcm_handle, &delay, u->hwbuf_size, &u->source->sample_spec, TRUE)) < 0)) {
pa_log_warn("Failed to get delay: %s", pa_alsa_strerror(err));
return;
}