ffmpegHow to use presets

ffmpeg -i in.mp4 -c:v libx264 -preset slow -crf 22 -c:a copy out.mkvctrl + cyoutubegithub

`ffmpeg` name of the package to install	`-i in.mp4` input video file
`-c:v libx264` use H.264 codec	`-preset` specify preset (mode) to use for conversion, where `ultrafast` is fastest but primitive and `veryslow` is slowest but most efficient
`slow` we want to use `slow` preset - average efficiency and speed	`out.mkv` resulting file