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Cobesz/convert_screencast_to_gif.sh

Created September 30, 2022 15:39
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Gnome screenshot tool allows you to record screencasts in webm format. For some usecases (documentation for example) I want to convert this screencast to a gif format so I can easily place it inside other documents. (Markdown files for example as they don't support webm yet).
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convert_screencast_to_gif.sh
#!/bin/bash
INPUT="$1"
OUTPUT="$(basename "${INPUT%.*}")"
ffmpeg -i "${INPUT}" \
-vf "fps=10,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse" \
-loop -1 \
"${OUTPUT}.gif"
gifsicle --optimize=3 --output "${OUTPUT}-optimized.gif" --resize-height 600 "${OUTPUT}.gif"
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