ffmpeg cheat sheet

ffmpeg.sh

# average bit rate encoding
ffmpeg -i $INPUT -c:v libx264 -b:v $BITRATE $OUTPUT.mp4

# mux
ffmpeg -i video.mov -i audio.flac -c:v copy -c:a aac muxed.mp4

ffmpeg -i video.mov -i audio.flac -c copy muxed.mkv # mkv takes any codec combination

# remux

ffmpeg -i v.mp4 -i a.wav -c:v copy -map 0:v:0 -map 1:a:0 new.mp4

# demux
ffmpeg -i video.mov -vn -c:a copy audio.wav

# remove audio
ffmpeg -i input.mov -c:v copy -an output.mov

# Timelapse from images
ffmpeg -r 24 -pattern_type glob -i '*.JPG' -vcodec libx264 timelapse.mp4

# Batch Convert to H.265
for i in *.MOV; do ffmpeg -i $i -c:v libx265 -crf 17 $i.mp4; done