Cut video (timing in sec)
$ ffmpeg -i <input> -c copy -ss <skip> -t <length> new.<inp>
$ ffmpeg -ss <skip> -i <input> -c copy -t <length> new.<inp>
| Examples | |
|---|---|
| Cut the end of the output: | ffmpeg -i <file.mp4> -c copy -t 00:01:33 head.mp4 |
| Cut the trail and the end of the output | ffmpeg -i <file.mp4> -c copy -ss 00:00:11 -t 00:01:22 middle.mp4 |
| Skip the input and cut the end | ffmpeg -ss 00:00:08 -i <file.mp4> -c copy -t 00:01:25 middle.mp4 |
Rotete video, sets metadata only
$ ffmpeg -display_rotation <deg> -i input.mp4 -codec copy output.mp4
display_rotation: degree, counterclockwise
Rotete video, re-encode video
$ ffmpeg -i <input> -vf "transpose=X" new.<inp>
X0: 90d counterclockw. +vert.flip (default); X1: 90d clockw.
X2: 90d counterclockw; X3: 90d clockw. +vert.flip
Concat videos (concat demuxer, no re-encode)
$ ffmpeg -f concat -safe 0 -i <( printf "file `pwd`/%s\n" file1.mp4 file2.mp4 ) -c copy ccat.mp4