26 lines
479 B
Bash
26 lines
479 B
Bash
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#!/bin/sh -ex
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src=$1
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dest="result.gif"
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font=$2
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header=$3
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footer=$4
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width=$(identify -format %w "${src}")
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caption_height=$((width/8))
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strokewidth=$((width/500))
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ffmpeg -i "${src}" \
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-vf "fps=10,scale=320:-1:flags=lanczos" \
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-c:v pam \
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-f image2pipe - | \
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convert -delay 10 \
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- -loop 0 \
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-layers optimize \
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output.gif
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convert "output.gif" \
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\( -clone 0 -coalesce -gravity South -background none -size 435x65.5 caption:"${header}" \) -swap -1,0 \
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"${dest}"
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rm output.gif
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