sh 将大型视频文件转换为优化的480p视频，而不会失去大量的质量

Posted 2021-05-07

function to480 {
    # converts video files to optimized 480p
    # by: codykochmann
    for i in $@
    do
        ffmpeg -i $i -s hd480 -c:v libx264 -q:v 20 -r 30 -crf 23 -c:a aac -strict -2 -b 700k -minrate 700k -maxrate 700k 480.$i.mp4
    done
}