[FFmpeg-user] Calculating VMAF of two mkv format videos.

Aditya Dandavate adityadandavate04 at gmail.com
Thu Dec 21 09:58:48 EET 2023

On Thu, 21 Dec, 2023, 12:27 pm Ferdi Scholten, <ferdi at sttc-nlp.nl> wrote:

> I was trying to calculate VMAF of two mkv videos. One is lossless and
> > second is lossy.
> >
> > I tried to gave this command :
> >
> > ffmpeg -i outputvideo.mkv -i lossless.mkv -lavfi
> > libvmaf=log_path=output.xml -f null -
> >
> > But it didn't work. So, how can I calculate the VMAF scores of two mkv
> > videos ? Can anyone please help me with this ?
> >
> > Thank you. 🙏
> Just guesswork, probably libvmaf wasn't compiled in ffmpeg?
> We can't really tell, because no output from your command was posted.

I regualarly download git builds from Gyan Dev website which has libvmaf
compiled in it.

I clicked on the batch file which had the ffmpeg command, but it showed an
error message and before I could read anything the program closed down. So,
I don't know what went wrong.

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