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Fix CPU hog with combination of rate plugin

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Fix CPU hog with some apps (e.g. artsd) when rate plugin is used
together with dmix (or possible hw).
This commit is contained in:
Takashi Iwai 2005-04-22 16:36:13 +00:00
parent 56b3974439
commit 467d69c5bc
3 changed files with 55 additions and 69 deletions
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3
src/pcm/pcm_dmix.c
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@ -627,6 +627,9 @@ static snd_pcm_sframes_t snd_pcm_dmix_mmap_commit(snd_pcm_t *pcm,
/* ok, we commit the changes after the validation of area */
/* it's intended, although the result might be crappy */
snd_pcm_dmix_sync_area(pcm, size);
/* clear timer queue to avoid a bogus return from poll */
if (snd_pcm_mmap_playback_avail(pcm) < pcm->avail_min)
snd_pcm_direct_clear_timer_queue(dmix);
}
return size;
}