[alsa-devel] Moving X Window windows causes audio stuttering
tiwai at suse.de
Wed Feb 20 12:14:36 CET 2008
At Tue, 19 Feb 2008 12:00:04 -0600,
Timur Tabi wrote:
> On our system, using mplayer to play a movie that has 44.1KHz audio (hardware
> only supports 48KHz) can cause audio stuttering if we're using OSS emulation,
> but not if we're using native ALSA. Is this a known problem? Does OSS
> emulation hog the CPU?
It won't as long as you do right :)
Mostly this kind of problem is the difference of parameters. Try to
reproduce the playback with the same parameters used by OSS emulation
(you can see /proc/asound/card0/pcm*/sub*/hw_params) with ALSA API.
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