39 lines
900 B
Bash
39 lines
900 B
Bash
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#!/bin/bash -e
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#####################################################
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#
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# This script exports all frames of your video into
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# a directory named "frames" and then runs a convert
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# command which does edge detection on each frame.
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# Then all frames are stitched back into a ProRes
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# video.
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#
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# Usage: bash ffmpeg/frames/loop.sh <input video> <output video>
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#
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#####################################################
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INPUT="${1}"
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OUTPUT="${2}"
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# Check if output file extension is .mov
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if [[ "${OUTPUT}" != *".mov" ]]; then
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echo "Please use an .mov extension on your output file argument"
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exit 1
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fi
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mkdir -p frames
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ffmpeg -i "${INPUT}" frames/frame-%06d.png
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FRAMES=frames/*.png
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for frame in ${FRAMES}; do
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echo "Running edge detection on $frame..."
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convert "${frame}" -edge 1 "${frame}"
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done
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sleep 10
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ffmpeg -f image2 -i frames/frame-%06d.png -c:v prores_ks -profile:v 3 "${OUTPUT}"
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rm -rf frames
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