[Libav-user] Swscale: Interlaced 4:2:2 to interlaced 4:2:0

Carl Eugen Hoyos cehoyos at ag.or.at
Thu May 24 09:23:44 CEST 2012

Carl Lindqvist <lulebo at ...> writes:

> 2012/5/24 Carl Eugen Hoyos <cehoyos <at> ag.or.at>
> Alex Cohn <alexcohn <at> ...> writes:
> > > In ffmpeg, deinterlace is performed by avcodec (imgconvert.c
> > > avpicture_deinterlace)
> >
> > This deinterlacer is old, if you have no license issue, please
> > use yadif.
> You are not understanding the issue. The issue is not 
> deinterlacing anything, it is producing correct 4:2:0 frames 
> for encoding interlaced.

I just wanted to answer the sentence "In ffmpeg, deinterlace is 
performed by avcodec" by Alex Cohn, I did not comment 
on your original issue.

Is your input interlaced frames?
Or do you want to half the framerate of your input?

Carl Eugen

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