[MPlayer-dev-eng] Sound synchronization problem

[Zsolt Barat]

Adam Tla/lka wrote:

>Hi,
>
>Strange, but while using ALSA output I observe a little 
>sound desync. If you look at a person talking you can observe that
>sound of voice is a bit too late. What is strange if I use -ao oss
>which is emulated by aoss (LD_PRELOAD set) method I can hear almost
>perfect sync. A-V output shows better sync while using native ALSA
>but this is not true - maybe in this case only ? ffmpg:ffdivx
>and mp3lib:mp3.
>What is more funny I have another film (low-res and low-quality)
>which have almost perfect A/V sync but with aoss approach
>we have normal sound while video is delayed and A/V desync increases
>every second. Just speed of video is too low.
>libs/codecs ffmpg:ffmp42  and mp3lib:mp3.
>It looks like some problems with MS video formats and A/V sync
>while using emlated OSS. Same is seen while playing MS streams too
>mms:// .
>
>  
>
which sound-card, which hw-setup do you use? can you please upload some 
samples of the desynced movies with a short description to mplayer-hq.

thanks

Zsolt