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</syntaxhighlight> | </syntaxhighlight> | ||
===PSNR/SSIM=== | |||
[https://github.com/stoyanovgeorge/ffmpeg/wiki/How-to-Compare-Video Reference]<br> | |||
FFmpeg can compare two videos and output the psnr or ssim numbers for each of the y, u, and v channels.<br> | |||
<syntaxhighlight lang="bash"> | |||
ffmpeg -i distorted.mp4 -i reference.mp4 \ | |||
-lavfi "ssim;[0:v][1:v]psnr" -f null – | |||
ffmpeg -i distorted.mp4 -i reference.mp4 -lavfi psnr -f null - | |||
ffmpeg -i distorted.mp4 -i reference.mp4 -lavfi ssim -f null - | |||
</syntaxhighlight | |||
==C API== | ==C API== |