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pcm: dshare: Fix endless playback of buffer

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On snd_pcm_drain() the slave PCM driven via plugin DSHARE is not filled with
silence. Result is endless playback of buffer content until pcm is closed.
In ALSA pcm dshare plugin, called do_silence method to fix the issue.

Signed-off-by: Anant Agrawal <Anant_Agrawal@mentor.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Anant Agrawal 2016-11-25 16:43:34 +05:30 • committed by Takashi Iwai
parent 2dd78251ff
commit 876563c824
1 changed files with 1 additions and 0 deletions
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src/pcm/pcm_dshare.c
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@ -186,6 +186,7 @@ static int snd_pcm_dshare_sync_ptr0(snd_pcm_t *pcm, snd_pcm_uframes_t slave_hw_p
dshare->avail_max = avail; dshare->avail_max = avail;
if (avail >= pcm->stop_threshold) { if (avail >= pcm->stop_threshold) {
snd_timer_stop(dshare->timer); snd_timer_stop(dshare->timer);
do_silence(pcm);
gettimestamp(&dshare->trigger_tstamp, pcm->tstamp_type); gettimestamp(&dshare->trigger_tstamp, pcm->tstamp_type);
if (dshare->state == SND_PCM_STATE_RUNNING) { if (dshare->state == SND_PCM_STATE_RUNNING) {
dshare->state = SND_PCM_STATE_XRUN; dshare->state = SND_PCM_STATE_XRUN;