2012-04-30 rotating a video using ffmpeg

  • turn to the right
    ffmpeg  -i  2012-04-29\ 19.31.32.mov  -vf "transpose=1" -sameq -y 2012-04-29\ 19.31.32_right.mov
  • turn to the left
    ffmpeg -i  2012-04-29\ 19.31.32.mov  -vf "transpose=3" -sameq 2012-04-29\ 19.31.32_left.mov
  • upside down
    ffmpeg -i  2012-04-29\ 19.31.32.mov  -vf "transpose=2" -sameq 2012-04-29\ 19.31.32_left.mov
  • made some scripts:
    $ vim ~/bin/video_rotate.sh
    $ chmod +x ~/bin/video_rotate.sh
    
    $ cat  ~/bin/video_rotate.sh
    #! /usr/bin/env bash
    ORIGINAL_IFS=$IFS
    IFS=$'\n'
    ffmpeg  -i $1 -v 0  -vf "transpose=$2"  -qscale 0 -y tmp.mov && mv tmp.mov $1
    IFS=$ORIGINAL_IFS
    
    $ video_rotate.sh 2012-04-29_19.31.32.mov 1

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