Last active
November 29, 2017 12:09
-
-
Save mfehr/05388d362bdbebaadeb4b989f0284624 to your computer and use it in GitHub Desktop.
speedup.sh
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
| #!/usr/bin/env bash | |
| # USAGE: speedup.sh <video> <speedup_factor (e.g. 2)> <speedup_factor_inv (e.g. 0.5)> | |
| # speedup_factor_inv has to be equal to 1 /speedup_factor | |
| let b=30*$2 | |
| echo "ffmpeg -i $1 -r $b -filter:v 'setpts=${3}*PTS' ${1}_${2}x.mp4" | |
| ffmpeg -i $1 -r $b -filter:v "setpts=${3}*PTS" ${1}_${2}x.mp4 | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment