[vdr] FF card A/V sync suggestion

C.Y.M syphir at syphir.sytes.net
Tue Oct 24 15:11:26 CEST 2006


Torgeir Veimo wrote:
> 
> On 24 Oct 2006, at 12:44, C.Y.M wrote:
> 
>> Somehow, mplayer is able to detect the areas in the VDR recordings
>> that need
>> extra "padding" to keep the sync.  There must be some kind of pattern
>> in the
>> data that the player recognizes and it knows it must insert a null
>> frame.  How
>> to go about finding how it works and creating an algorithm.
> 
> So you're certain that it's always picture frames being dropped, causing
> audio to be behind the video?
> 

>From what I understand, it could be either video or audio that is using
"stacked" data.  Either a video frame that does not "change" or perhaps a few
seconds of silence on the audio track could trigger this.

Best Regards.



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