[alsa-devel] mplayer plays video twice as fast with Alsa than with OSS

Takashi Iwai tiwai at suse.de
Wed Oct 24 10:48:40 CEST 2007

At Tue, 23 Oct 2007 12:20:14 -0500,
Timur Tabi wrote:
> Hi,
> I wrote an Alsa device driver that supposedly works with the OSS emulation, but 
> one of our customers is reporting that mplayer with the "-ao oss" option plays 
> video twice at double speed.  If they select "-ao alsa" instead, then it plays 
> normally.
> Is this a known problem?

I don't know of such a problem.  Which kernel/ALSA version?
ALSA 1.0.15 has some new OSS emulation code, so this might be
different (although I don't guess the problem is in a different


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