screen_save_gif

   1 #!/bin/bash
   2 # The MIT License (MIT)
   3 #
   4 # Copyright (c) 2011-2015 Ismaël Bouya http://www.normalesup.org/~bouya/
   5 #
   6 # Permission is hereby granted, free of charge, to any person obtaining a copy
   7 # of this software and associated documentation files (the "Software"), to deal
   8 # in the Software without restriction, including without limitation the rights
   9 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 # copies of the Software, and to permit persons to whom the Software is
  11 # furnished to do so, subject to the following conditions:
  12 #
  13 # The above copyright notice and this permission notice shall be included in
  14 # all copies or substantial portions of the Software.
  15 #
  16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 # THE SOFTWARE.
  23
  24
  25 # Feel like tipping/donating? https://www.immae.eu/licenses_and_tipping
  26
  27 TMP_AVI=$(mktemp /tmp/outXXXXXXXXXX.avi)
  28 GEOMETRY=`ffcast -s % echo "%D+%g"`
  29
  30 DISP=`echo $GEOMETRY | cut -d'+' -f1`
  31 SIZE=`echo $GEOMETRY | cut -d'+' -f2`
  32 X=`echo $GEOMETRY | cut -d'+' -f3`
  33 Y=`echo $GEOMETRY | cut -d'+' -f4`
  34
  35 if [ -z "$1" ]; then
  36   OUTPUT=out.gif
  37 else
  38   OUTPUT=${1}.gif
  39 fi
  40
  41 ffmpeg -y -f x11grab -framerate 25 -video_size $SIZE -i $DISP+$X,$Y -codec:v huffyuv -vf crop="iw-mod(iw\,2):ih-mod(ih\,2)" $TMP_AVI
  42 convert -set delay 10 -layers Optimize $TMP_AVI $OUTPUT