[FFmpeg-user] IVTC with pullup filter
windbreiz at gmail.com
Wed Feb 11 22:40:24 CET 2015
Nicholas Robbins-2 wrote
>> On Wednesday, February 11, 2015 3:24 PM, Nicholas Robbins <
> > wrote:
>> >> On Wednesday, February 11, 2015 3:21 PM, Nicholas Robbins
> > wrote:
>>> I think your problem is that your media is not actually 29.97 fps.
>>> ffprobe reports 28.97 fps, multiplying that by 4/5 gives 23.76
>>> Try just -vf pullup,fps=23.176 no fps argument.
>> Don't know why I said "no fps argument".
>> Try -vf pullup,fps=23.176
> Or try a different output format. If you use mkv as the output it seems to
> work, and counting frames gives a fps of 22.109 fps. Where are you getting
> this video? 28.97 fps is very strange.
> ffmpeg-user mailing list
My mistake. I can't believe I did that and overlooked it . Thanks for
looking at the sample. The reason for the strange frame rate: I created
that clip from a 29.97 fps telecined recording, and to be sure I had a
constant 29.97 fps, I wrote -r 29000/1001 instead of 30000/1001. I am
adding a hopefully 'correct' 29.97 fps TermSample3.mp4 sample here
Now, using -vf pullup,fps=23.177 on the original sample still gives me 2
progressive + 2 blended frames when runnning the command (see log here
Using -vf pullup,fps=24000/1001 on the new 29.97 fps sample
(TermSample3.mp4), I still get the same result (see log here
I will look at mkv as well but it seems that my frame rate error doesn't
explain the issue at this point.
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