[FFmpeg-user] 'incorrect' number of extracted frames in a non-VFR video

Carl Eugen Hoyos ceffmpeg at gmail.com
Wed Aug 11 10:07:59 EEST 2021

> Am 11.08.2021 um 03:35 schrieb Jon Beyer <jbeyer at gmail.com>:
> I have a video that is supposedly not VFR (ffmpeg vfrdet command and output
> pasted at the very bottom), but the number of extracted frames, or
> frame count with ffprobe, doesn't match what would be expected based on
> frame rate and duration by a large margin (off by a factor of nearly 3x).

A quick calculation gave me the impression that the number of decoded frames mostly matches the expectation ((8x60+9.5)x30000/1001) - what did you calculate?

Carl Eugen 

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