[FFmpeg-user] tinterlace broken - SAR & DAR wrong

[pdr0]

Mark Filipak (ffmpeg) wrote
> 
> You wrote: "What's wrong with using setsar filter after tinterlace?"
> 
> I tried that from the git-go. I just reran it.
> 
> ffmpeg -report -i "source 720x480 [SAR 8x9 DAR 4x3] 29.97 fps.VOB"
> -filter_complex "separatefields, 
> shuffleframes=0 1 2 4 3 6 5 7 8 9, split[Ain][Bin], 
> [Ain]select=not(eq(mod(n\,10)\,2)+eq(mod(n\,10)\,3)+eq(mod(n\,10)\,6)+eq(mod(n\,10)\,7))[Aout], 
> [Bin]select=eq(mod(n\,10)\,2)+eq(mod(n\,10)\,3)+eq(mod(n\,10)\,6)+eq(mod(n\,10)\,7),
> tinterlace, 
> setsar=sar=8/9, bwdif=mode=send_field:deint=all, decimate=cycle=2[Bout],
> [Aout][Bout]interleave, 
> tinterlace, setsar=sar=8/9, bwdif=mode=send_frame:deint=interlaced"
> -codec:a copy -codec:s copy -dn 
> output.mkv
> 
> Putting setsar after tinterlace doesn't work. I did investigate that but I
> can't recall why -- I 
> think it's because DAR is then wrong. The report is below.


You can't interleave images with different dimensions

Aout has separated fields, to 720x240 , but Bout is 720x480  

Possibly you want to apply separatefields again before Bout 







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