h264 audio-video synchronisation

[Ralph]

Does anyone have any idea how to solve this problem?


Ralph wrote
> I'm writing a C# WPF application using GStreamer 0.10.35 (OSSBuild-vs2010
> 2012.06.15 with .NET4 C# bindings).
> 
> The audio-video synchronisation for 720x576 XVID ISO MPEG-4 files is
> satisfactory, but when I try to play 1280x720 H.264/MPEG-4 AVC files, the
> video lags behind the audio around 0.3 seconds, which is a show stopper
> for me as good A/V sync is critical for my application.  I have searched
> this mailing list and didn't find anything that would help me achieving
> better synchronisation, could anyone suggest what I can do?
> 
> My pipeline contains two chains: one for audio and the other for video.
> 
> audiotestsrc - capsfilter - gnlsource  \
>                                 gnlfilesource  -  gnlcomposition -
> audioconvert - audioresample - volume - autoaudiosink
>                                 gnlfilesource  /
>                                 ...              /
> 
> videotestsrc - capsfilter - gnlsource  \                                                         
> / queue - dshowvideosink
>                                 gnlfilesource  -  gnlcomposition -
> ffmpegcolorspace - tee
>                                 gnlfilesource  /                                                         
> \ queue - dshowvideosink
>                                 ...              /





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