This video discusses how to implement various standard video quality metrics using the freely available ffmpeg software.
ffmpeg download: https://ffmpeg.org/
vmaf github page for vmaf models: https://github.com/Netflix/vmaf
documentation on libvmaf filter: https://ffmpeg.org/ffmpeg-filters.htm...
discussion on how to match video using ffmpeg: https://ottverse.com/vmaf-easyvmaf/
simple command:
ffmpeg -i compressed.mp4 -i original.mp4 -lavfi libvmaf="model_path='V\:\\ffmpeg\\bin\\vmaf_v0.6.1.json'" -f null -
psnr and simm command:
ffmpeg -i compressed.mp4 -i original.mp4 -lavfi libvmaf="model_path='V\:\\ffmpeg\\bin\\vmaf_v0.6.1.json':psnr=1:ssim=1:log_fmt=csv:log_path=VMAF.csv" -f null -