[Ffmpeg-devel] Timestamps on Decoding

Nico Sabbi nsabbi
Sun Oct 23 19:54:18 CEST 2005


Paul Curtis wrote:

> Rich Felker wrote:
>
>> Using DTS as PTS is blatently incorrect whenever there are B frames. 
>> It will actually put the timestamps OUT OF ORDER!
>
>
> In using the mpeg container, with MPEG2 video and MPEG2 audio, I have
> not found an out of order frame yet. The encoder (MainActor) defaults to
> IBBPBBPBBPBBPBBPBB (18 frames between I, every third frame P) ... so my
> code must be doing something more than you assume.


so Mainactor is outputting frames in display (rather than decoding ) order ?





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