[FFmpeg-devel] [PATCH] dvd vob input fps detect wrong

Ian Caulfield ian.caulfield
Tue Sep 11 10:24:04 CEST 2007

On 11/09/2007, Limin Wang <lance.lmwang at gmail.com> wrote:
> > then you should complain to the one who made the DVD
> But 24000/1001 is for DVD film, it's normal dvd format. It's pity if
> ffmpeg
> can't transcode dvd films properly.

The issue is that DVDs use mpeg telecine - the stream claims to be 60 fields
per second, but actually contains 24 frames per second, encoded with field
repeat flags. The frames as encoded can't be represented with a 24fps
timebase, as they're encoded with PTS only representable in a 60fps


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