av sync in recording

[KAsh-4]

hi all,



  i am running the follwing pipline for recording video/audio into

  mp4 file





  v4l2src--->capsfilter-->queue--->mpeg4enc-->queue--->mp4mux--->filesink

osssrc---->capsfilter--->queue--->aacenc--->queue---->





  but in the mp4 file av sync is not there.



   the video leads the audio by 3-4 seconds.





  how can i achieve av sync in this case

  any ideas



 



























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[Stefan Sauer]

hi,

kash schrieb:

>
>
> hi all,
>
>
>
>   i am running the follwing pipline for recording video/audio into
>
>   mp4 file
>
>
>   v4l2src--->capsfilter-->queue--->mpeg4enc-->queue--->mp4mux--->filesink
>
> osssrc---->capsfilter--->queue--->aacenc--->queue---->
>
>
>   but in the mp4 file av sync is not there.
>    the video leads the audio by 3-4 seconds.
>
>   how can i achieve av sync in this case
>
>   any ideas
>

Either of both sources is not handling the latency query right. Can you try alsasrc?

Stefan

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