[FFmpeg-user] IVTC with pullup filter

[Paul B Mahol]

On 10/9/13, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:
> Elliott Balsley <elliottbalsley <at> gmail.com> writes:
>
>> I have a source video that's 29.97 with 3:2 pulldown,
>> and I want to encode it at 23.98p.  This ffmpeg command
>> produces video at 23.98, but with a pattern of 2
>> progressive frames followed by 2 interlaced frames.
>
> This bug was fixed by Paul.
>
>> ffmpeg -ss 208 -i NCIS.ts -t 30 -vf "pullup,fps=24000/1001"
>> -acodec copy -vcodec libx264 pullup.mkv
>
> Unfortunately, this command line still does not work:
> Instead of producing different frames, for every five
> (progressive and interlaced) input frames, four
> progressive output frames are produced, but only three
> different ones: The wrong frame is dropped;-(
>
> The following works fine here for your sample:
> ffmpeg -i input -vf pullup -r 24000/1001 out.mkv

Wouldn't using decimate after pullup be better approach?

>
> Carl Eugen
>
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