[FFmpeg-user] Deinterlacing detected interlaced frames

Jan Sever n32 at email.cz
Sat Feb 14 10:57:50 CET 2015

Hi all,

I'm trying to deinterlace badly deinterlaced videos (most frames progressive,
some interlaced) with

ffmpeg -i in.mkv -vf idet,yadif=deint=interlaced -c:v libx264 -an -y out.mkv

but deinterlacing looks like shifted (it deinterlaces another frames than
marked). I looked at output of

ffmpeg -loglevel debug -i in.mkv -vf idet -an -f rawvideo -y /dev/null

and it detects the interlaced frames correctly. Is there any problem with
deint=interlaced or do I need to add another parameter?

Log of the first command attached.

Thank you in advance for your precious help.

Jan Sever
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