[MPlayer-dev-eng] Sound synchronization problem

Ivan Kalvachev ivan at cacad.com
Sun Aug 8 12:31:51 CEST 2004


Have you tried putting this in your modprobe.conf/modules.conf ?

   options snd-via82xx dxs_support=3

It comes from "Support for DXS channels (0 = auto, 1 = enable, 2 = disable, 3
= 48k only, 4 = no VRA)"

Wish You Best
   Ivan Kalvachev
  iive


Adam Tla/lka said:
> On Sat, Aug 07, 2004 at 01:33:27AM +0200, Reza Jelveh wrote:
>> hi
>> On Fri, 6 Aug 2004 10:08:15 +0200
>> Adam Tla/lka <atlka at pg.gda.pl> wrote:
>>
>> > 82801BA/BAM AC'97 Audio (rev 05) .
>>
>> afaik that card cant handle anything except 48khz. so without -srate 48000,
>> -ao alsa wont give you the correct timing causing audio to be faster than
>> video(or the other way round i dont remember).
>> thats those new crappy onboard sound cards. sorry
>> -ao alsa could maybe detect those limitations automatically and resample
>> automatically (?)
> Hmm, I am using ALSA through dmix and plug plugins so resampling is done by
> ALSA itself.
> Next I wrote that using command aoss mplayer film.avi -ao oss with the
> same ALSA config I got perfect A/V sync. In second case I use a library
> wrapper which simulates OSS on top of ALSA. So ALSA is used in both
> situactions - film is also the same. So in my opinion problem lays on
> mplayer's side.
>
> Regards
> --
> Adam Tla/lka      mailto:atlka at pg.gda.pl    ^v^ ^v^ ^v^
> System  & Network Administration Group           ~~~~~~
> Computer Center,  Gdansk University of Technology, Poland
> PGP public key:   finger atlka at sunrise.pg.gda.pl
>
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