[MPlayer-users] Question about syncing a/v during playback ofVDR recordings.

[Nico Sabbi]

VDR User wrote:

> Was just reading over the thread on the VDR mailing list about this and
> found a quote from Klaus Schmidinger, the author of VDR, which may have
> relevance to this so I'm forwarding it to this thread just in case.  
> Thanks
> for bearing with me on this!
>
> "I'm afraid my knowledge here is too limited.
> If somebody can come up with an idea of how additional timing information
> should be inserted in the PES data, let's hear it.
>
> Generally I don't think that VDR should have to to anything regarding
> A/V sync during replay.

true

> It simply feeds the data to the device as fast
> as the device can take it, and syncing audio and video is the device's
> job. 

very true

> Maybe mplayer just generates additional PES headers for this?"

no, and the only relevant thing that these cards care for is the pts 
(and maybe dts
that mplayer doesn't generate) in the pes headers. Obviously the more
frequent timestamps are in the pes stream the less likely the card is
to desync (if timestamps are correct)