[FFmpeg-user] ... invalid, non monotonically increasing dts... with yadif=1

Carl Eugen Hoyos cehoyos at ag.or.at
Sat May 5 13:09:46 CEST 2012

Andy Furniss <andyqos <at> ukfsn.org> writes:

> This (19meg) possibly broken (but plays OK) mpeg2 transport stream will 
> fail transcoding if I try to make 50fps with yadif=1, but works OK with 
> yadif=0. Full output of both below.
> http://www.andyqos.ukfsn.org/non-mon-dts-with-yadif1.ts
> bash-3.2$ ffmpeg  -i non-mon-dts-with-yadif1.ts -sn -loglevel verbose 
> -vf yadif=1  -acodec copy  -vcodec libx264 -crf 23 -threads 1  -r 50 
> test.mkv

Is this only reproducible with an external library and -acodec copy or 
also if you use -an and an internal encoder?

(git bisect works fine here for all kinds of bugs, but if I can 
reproduce the issue I can do it.)

Carl Eugen

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