function ab-av1-quality --description 'Run ab-av1 vmaf and xpsnr on the same reference/distorted pair'
    echo "=== ab-av1 vmaf ==="
    ab-av1 vmaf $argv
    or return $status

    echo
    echo "=== ab-av1 xpsnr ==="
    ab-av1 xpsnr $argv
end