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Add area synchronization in poll_rsync of rate plugin

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Try to sync areas as much as possible in poll_rsync callback of rate plugin.
This commit is contained in:
Takashi Iwai 2005-05-23 09:01:31 +00:00
parent 67420b8882
commit dae58c0192
1 changed files with 13 additions and 2 deletions
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15
src/pcm/pcm_rate.c
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@ -1283,6 +1283,17 @@ static snd_pcm_sframes_t snd_pcm_rate_avail_update(snd_pcm_t *pcm)
} }
} }
static int snd_pcm_rate_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
{
snd_pcm_rate_t *rate = pcm->private_data;
if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
/* Try to sync as much as possible */
snd_pcm_rate_hwsync(pcm);
snd_pcm_rate_sync_playback_area(pcm, rate->appl_ptr);
}
return snd_pcm_poll_descriptors_revents(rate->gen.slave, pfds, nfds, revents);
}
static int snd_pcm_rate_drain(snd_pcm_t *pcm) static int snd_pcm_rate_drain(snd_pcm_t *pcm)
{ {
snd_pcm_rate_t *rate = pcm->private_data; snd_pcm_rate_t *rate = pcm->private_data;
@ -1383,9 +1394,9 @@ static snd_pcm_ops_t snd_pcm_rate_ops = {
.dump = snd_pcm_rate_dump, .dump = snd_pcm_rate_dump,
.nonblock = snd_pcm_generic_nonblock, .nonblock = snd_pcm_generic_nonblock,
.async = snd_pcm_generic_async, .async = snd_pcm_generic_async,
.poll_revents = snd_pcm_rate_poll_revents,
.poll_descriptors_count = snd_pcm_generic_poll_descriptors_count, .poll_descriptors_count = snd_pcm_generic_poll_descriptors_count,
.poll_descriptors = snd_pcm_generic_poll_descriptors, .poll_descriptors = snd_pcm_rate_poll_descriptors,
.poll_revents = snd_pcm_generic_poll_revents,
.mmap = snd_pcm_generic_mmap, .mmap = snd_pcm_generic_mmap,
.munmap = snd_pcm_generic_munmap, .munmap = snd_pcm_generic_munmap,
}; };