All I want to do is. . .

. . .use ffmpeg.


Description: Useful ffmpeg commands like speeding up video or boosting audio.
Contributors: anschwa
Updated: 10/10/15

Helpful ffmpeg commands.

Speeding Up

Speed video up 2x.

ffmpeg -i input.mkv -filter:v "setpts=0.5*PTS" output.mkv

Slowing Down

Slow video down 2x

ffmpeg -i input.mkv -filter:v "setpts=2.0*PTS" output.mkv

Add Audio track to Video

ffmpeg -i input.mkv -i input.mp3 -c copy -shortest -map 0:0 -map 1:0 output.mkv

Boost Audio

Boost audio by 150%

ffmpeg -g input.mp4 -af "volume=1.5" output.mp4


If you have suggestions, corrections, or content to contribute, fork us at our Github repo or open an issue.

Licensed under the CC-SA.