[MPlayer-dev-eng] [PATCH] -oac copy with ac3 sound and lavf ts demuxer issues (Was: Re: [MEncoder-users] Video/Audio asynchronous)

Nico Sabbi nicola_sabbi at fastwebnet.it
Sat Feb 24 19:11:26 CET 2007

Matthias Hopf wrote:

>>>I rechecked, and first stumbled over another issue: lavf thinks this
>>>video is 1920x1080 at 59.96fps(!), while mpegts detects 29.976. I called
>>>the lavf calls with -ofps 30000/1001 in order to ignore this for now.
>>well if lavf says 60000/1001 then i would suspect that to be true
>>telecined mpeg specifies frames based on such a timebase
> I've never seen 60000/1001 for 1080i in my life (don't know if it's even
> part of the standard), only for 720p. And the video does seem to be
> 30fps not 60, because with lavf mencoder creates a lot of duplicated
> frames.

maybe it has the progressive_sequence flag set, so every frame is 
supposed to last 2x the framerate (plus the time related to the rff).
I've already seen such beasts

"Without a frontend, mplayer is useless" - someone in mplayer-users

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