Last active
March 14, 2021 12:48
-
-
Save kobybibas/a3b76829ba42deffe883b2bcb02d466a to your computer and use it in GitHub Desktop.
Crop, scale and compress a video
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Crop such that the output is heightxheight. Then scale to 640:640. finally videeo compression ("28", higher is more compression) | |
ffmpeg -i intput -filter:v "crop=ih:ih,scale=640:-2" -crf 28 output.mp4 | |
# Split a video to 280 sec segments | |
ffmpeg -i input.mp4 -acodec copy -f segment -segment_time 280 -vcodec copy -reset_timestamps 1 -map 0 output_%d.mp4 | |
# Crop with side by side merge (https://stackoverflow.com/questions/35349935/ffmpeg-crop-with-side-by-side-merge) | |
ffmpeg -i in0.mp4 -i in1.mp4 -filter_complex "[0:v]crop=iw/2:ih:0:0[left]; [1:v]crop=iw/2:ih:ow:0[right]; [left][right]hstack" output.mp4 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment