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start pcm when draining in prepared state

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For consistency with hw pcms, dmix/dshare pcms are started
when draining in the prepared state with a non-empty buffer.
This commit is contained in:
Clemens Ladisch 2005-02-07 09:13:58 +00:00
parent da5fa1e15c
commit c92969845d
2 changed files with 6 additions and 0 deletions
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3
src/pcm/pcm_dmix.c
View file

@ -595,6 +595,9 @@ static int snd_pcm_dmix_drain(snd_pcm_t *pcm)
stop_threshold = pcm->stop_threshold;
if (pcm->stop_threshold > pcm->buffer_size)
pcm->stop_threshold = pcm->buffer_size;
if (dmix->state == SND_PCM_STATE_PREPARED &&
snd_pcm_mmap_playback_hw_avail(pcm) > 0)
snd_pcm_dmix_start(pcm);
while (dmix->state == SND_PCM_STATE_RUNNING) {
err = snd_pcm_dmix_sync_ptr(pcm);
if (err < 0)

3
src/pcm/pcm_dshare.c
View file

@ -326,6 +326,9 @@ static int snd_pcm_dshare_drain(snd_pcm_t *pcm)
stop_threshold = pcm->stop_threshold;
if (pcm->stop_threshold > pcm->buffer_size)
pcm->stop_threshold = pcm->buffer_size;
if (dshare->state == SND_PCM_STATE_PREPARED &&
snd_pcm_mmap_playback_hw_avail(pcm) > 0)
snd_pcm_dshare_start(pcm);
while (dshare->state == SND_PCM_STATE_RUNNING) {
err = snd_pcm_dshare_sync_ptr(pcm);
if (err < 0)