[vdr] FF card A/V sync suggestion

Torgeir Veimo torgeir at pobox.com
Sat Oct 21 12:45:53 CEST 2006


On 21 Oct 2006, at 11:36, C.Y.M wrote:

>>
>>> I think that
>>> Udo has brought up a very good point about why mplayer is  
>>> "immune" to
>>> the a/v
>>> desync problem when just using mpegpes to forward the video to  
>>> the FF
>>> dvb card.
>>
>> What VDR sends to the FF DVB card *is* MPEG-PES. I wouldn't know
>> what to do differently - but apparenty mplayer does some magic,
>> so if this can be found out, it might help.
>>
>
> ACK. I hope that someone who understands the mpegpes code in  
> mplayer can shed
> some light on this. What kind of repacking is mplayer doing that  
> fixes this
> problem.  It is definitely not transcoding the video.  All it is  
> doing is
> forwarding the video to the dvb card via mpegpes.

Maybe this is related to a problem encountered with too fast  
processors and recording playback on softdevice? The problem seems to  
be too much processor time being spent in dvbplayer.c, resulting in  
frame dropouts every other second.

-- 
Torgeir Veimo
torgeir at pobox.com






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