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

Ferdi Scholten ferdi at sttc-nlp.nl
Thu Dec 21 08:56:44 EET 2023

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.

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