[alsa-devel] Moving X Window windows causes audio stuttering

[Takashi Iwai]

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.


Takashi