Quick GIF screencasts using bash + ffcast + ffmpeg + imagemagick + yad

screencast-to-gif.sh

#!/bin/bash

FILE="$HOME/Images/Captures/`date +%FT%T.gif`"

TMP_AVI=$(mktemp /tmp/outXXXXXXXXXX.avi)

(yad --notification --image media-playback-stop --command "bash -c 'echo q; quit'") |\
ffcast -s % ffmpeg -y -f x11grab -show_region 1 -framerate 15 \
    -video_size %s -i %D+%c -codec:v huffyuv                  \
    -vf crop="iw-mod(iw\\,2):ih-mod(ih\\,2)" $TMP_AVI         \
&& convert -set delay 10 -layers Optimize $TMP_AVI $FILE

rm $TMP_AVI

echo "$FILE"