Unix for Artists: Fun with FFMPEG is a workshop hosted by the Echo Park Film Center.
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unix4artists/ffmpeg/frames/primitive.sh

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#!/bin/bash -e
#####################################################
#
# This script will export your video to frames and
# use the application "primitive" to reproduce the
# image with polygonal primitive shapes. Then the
# converted frames are p
#
# The modes available for the -m argument are:
# 0=combo
# 1=triangle
# 2=rect
# 3=ellipse
# 4=circle
# 5=rotatedrect
# 6=beziers
# 7=rotatedellipse
# 8=polygon
#
# primitive repo : https://github.com/fogleman/primitive
#
# Usage: bash ffmpeg/frames/primitive.sh <input video> <output video>
#
#####################################################
INPUT="${1}"
OUTPUT="${2}"
MODE=1
NUMBER=100
# Check if output file extension is .mov
if [[ "${OUTPUT}" != *".mov" ]]; then
echo "Please use an .mov extension on your output file argument"
exit 1
fi
mkdir -p frames
ffmpeg -i "${INPUT}" frames/frame-%06d.png
FRAMES=frames/*.png
for frame in ${FRAMES}; do
echo "Processing $frame with primitive..."
# Run the "primitive" application on every frame
primitive -i "${frame}" -o "${frame}" -n 200 -m 4
done
ffmpeg -f image2 -i frames/frame-%06d.png -c:v prores_ks -profile:v 3 "${OUTPUT}"
rm -rf frames