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#!/bin/sh
# Turn video files on STDIN into animated GIFs.
FPS=${FPS:-10}
SCALE=${SCALE:-480}
while [ $1 ]
do
BASENAME=$(echo $1 | cut -d'.' -f1)
FRAMEDIR=/tmp/$BASENAME-frames-$(date +%s)
mkdir -p $FRAMEDIR
echo Writing frames...
ffmpeg -loglevel quiet -i $1 -vf scale=-1:$SCALE,fps=$FPS $FRAMEDIR/%05d.png
echo Creating GIF...
convert -loop 0 $FRAMEDIR/*.png $BASENAME.gif
rm -r $FRAMEDIR
echo Done.
shift
done
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