Display possible video compressed size

stuff.zsh

possible_sizes() {
    local video_path=$1

    if [ ! "$video_path" ]
    then
        echo "Usage: possible_size video_path"
        return
    fi

    local width=$(mediainfo $1 | grep Width | cut -d ":" -f 2 | sed 's/[^0-9]//g')
    local height=$(mediainfo $1 | grep Height | cut -d ":" -f 2 | sed 's/[^0-9]//g')

    for i in $(seq 9 | sort -r)
    do
        ((x=$width * .$i))
        ((y=$height * .$i))

        local x_remainer=$(echo $x | cut -d '.' -f 2 | sed 's/0//g')
        local y_remainer=$(echo $y | cut -d '.' -f 2 | sed 's/0//g')

        if [ ! "$x_remainer" ] && [ ! "$y_remainer" ]
        then
            local possible_size=$(echo $x | cut -d '.' -f 1)x$(echo $y | cut -d '.' -f 1)
            echo $possible_size
            echo ffmpeg -i $video_path -s $possible_size -pix_fmt yuv420p -profile main -y ${video_path:r}-compressed.${video_path:e}
        fi
    done
}

z-output

Example output:

$ possible_sizes video.mp4         
1728x972
ffmpeg -i video.mp4 -s 1728x972 -pix_fmt yuv420p -profile main -y video-compressed.mp4
1536x864
ffmpeg -i video.mp4 -s 1536x864 -pix_fmt yuv420p -profile main -y video-compressed.mp4
1344x756
ffmpeg -i video.mp4 -s 1344x756 -pix_fmt yuv420p -profile main -y video-compressed.mp4
1152x648
ffmpeg -i video.mp4 -s 1152x648 -pix_fmt yuv420p -profile main -y video-compressed.mp4
960x540
ffmpeg -i video.mp4 -s 960x540 -pix_fmt yuv420p -profile main -y video-compressed.mp4
768x432
ffmpeg -i video.mp4 -s 768x432 -pix_fmt yuv420p -profile main -y video-compressed.mp4
576x324
ffmpeg -i video.mp4 -s 576x324 -pix_fmt yuv420p -profile main -y video-compressed.mp4
384x216
ffmpeg -i video.mp4 -s 384x216 -pix_fmt yuv420p -profile main -y video-compressed.mp4
192x108
ffmpeg -i video.mp4 -s 192x108 -pix_fmt yuv420p -profile main -y video-compressed.mp4