[FFmpeg-user] filter for changing frame rate

Carl Eugen Hoyos ceffmpeg at gmail.com
Mon May 13 14:40:23 EEST 2019

Am Mo., 13. Mai 2019 um 13:36 Uhr schrieb Daniel Oberhoff via
ffmpeg-user <ffmpeg-user at ffmpeg.org>:
> >
> > You can not.
> I am curious what exactly the hindrance is. As I understand at least mp4 there is not really a concept of frame rate in the file and in theory every frame can have a different „rate“, defined solely by pts.

FFmpeg's mp4 muxer does not support variable frame rate.

Carl Eugen

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