[FFmpeg-user] Flutter FFmpeg

Carl Eugen Hoyos ceffmpeg at gmail.com
Wed Apr 15 21:19:00 EEST 2020

Am Mi., 15. Apr. 2020 um 20:14 Uhr schrieb cowlol <cowlol at outlook.com>:

> ./ffmpeg -noautorotate -i input1.mp4 -movflags +faststart
> -vcodec h264 -crf 18 -preset:v veryfast output.mp4

If you want a smaller filesize you have to change the crf value.

If you chose a slower preset, you get either better quality (and
can use a bigger crf) or smaller file size but the connection is
not always obvious.

Carl Eugen

PS: Not everybody wants noautorotate...

More information about the ffmpeg-user mailing list