[MPlayer-users] Fw: apparent frame dropping when playing mpeg4 part 2 es

[belcampo]

Reimar Döffinger wrote:
> On Tue, Sep 28, 2010 at 02:09:19PM +0000, Tim Jebb wrote:
>> The video files thus created play fine in mplayer, with one exception, which as far as I can tell is always the same:  the first three P frames in the file are not decoded.  It doesn't matter which second I start with, I'm always missing the 1st three P frames.  I can get those three frames to be decoded by starting one second earlier - in which case I'm
>>  missing three P frames from that earlier second and so on.  The first I frame is always present.
Is this somehow related to issue 2033 on ffmpeg-issue list ? This is 
about mpeg4 2, mine was about mpeg4 10, but somehow it sounds very 
similar to me.
> 
> The parser in dec_video.c is broken and does not split the first frames.
> -demuxer lavf fixes it, -vc mpeg12 is a workaround when decoding but does
> not help when remuxing with mencoder and -ovc copy.
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