Add area synchronization in poll_rsync of rate plugin

Try to sync areas as much as possible in poll_rsync callback of rate plugin.

diff --git a/src/pcm/pcm_rate.c b/src/pcm/pcm_rate.c
index 80480bfc62bd5a5b7c4169b510fcfa725aa2ca50..40fc8dfd7a8a98de6a08ad057c77b13c0ea5255c 100644 (file)
--- a/src/pcm/pcm_rate.c
+++ b/src/pcm/pcm_rate.c
@@ -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)
 {
        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,
        .nonblock = snd_pcm_generic_nonblock,
        .async = snd_pcm_generic_async,
+       .poll_revents = snd_pcm_rate_poll_revents,
        .poll_descriptors_count = snd_pcm_generic_poll_descriptors_count,
-       .poll_descriptors = snd_pcm_generic_poll_descriptors,
-       .poll_revents = snd_pcm_generic_poll_revents,
+       .poll_descriptors = snd_pcm_rate_poll_descriptors,
        .mmap = snd_pcm_generic_mmap,
        .munmap = snd_pcm_generic_munmap,
 };