ffmpeg Delete Edit

the place for ffmpeg oneliners

convert a android mp4 video to webm for browser playback

• create a WebM with VP8 and Opus like this:
  • ffmpeg -i INPUT.mp4 -c:v libvpx -c:a libopus OUTPUT.webm
• create a WebM with VP8 and Vorbis like this:
  • ffmpeg -i input.mp4 -c:v libvpx -c:a libvorbis output.webm
• VP9 and Opus (Slower, unless gpu accel)
  • ffmpeg -i input.mp4 -c:v libvpx-vp9 -c:a libopus output.webm
• Creating a WebM file with AV1 and Opus (Slower still, unless gpu accel)
  • ffmpeg -i input.mp4 -c:v libaom-av1 -c:a libopus output.webm
• To replace audio in a video without having to re-encode the video
  • ffmpeg -i source_video.mp4 -i source_audio.wav -acodec copy -vcodec copy -map 0:v:0 -map 1:a:0 final_video.mp4