[FFmpeg-user] problematic lines when encoding to prores format

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Jun 19 09:01:46 CEST 2012

Kusno Mudiarto <mudiarto <at> gmail.com> writes:

> I have problem when I try to convert a dvd to apple prores 422 (apch)
> format. The encoded video has lines artifact. It doesn't show up all the
> times though, usually just when somebody moves to fast, or on scene changes
> see the picture here : http://imgur.com/qED4j

I am not convinced this is only related to interlaced vs progressive...

Is the same effect visible if you do
ffmpeg -i VTS_01_1.VOB -qscale 2 -an -vcodec mpeg4 out.avi
or with
ffmpeg -i VTS_01_1.VOB -qscale 2 -vcodec mpeg2video -pix_fmt yuv422p out.avi

Carl Eugen

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