Bash script for depolarizing video for AMKOV AMK100s 360 camera

convert360.bash

#!/bin/bash

if [  $# -le 0 ] 
then 
	echo "Usage: ./script.bash <video_file>"
	exit 1
fi 

echo "Extracting matadata"
ffmpeg32 -i "$1" -f ffmetadata metadata.txt

echo "Extracting audio"
ffmpeg -i "$1" audio.mp3

echo "Converting video to frames"
mkdir frames
cd frames
ffmpeg -i "../$1" -qscale:v 2 -f image2 frame-%07d.jpg 
cd ..

echo "Depolarizing frames"
for f in frames/frame-*.jpg; do echo "Processing $f..."; convert $f -crop 1212x1212+270+188 +distort DePolar 0 -background black -gravity north -extent 1906x1100 -quality 90% $f; done

echo "Creating video..."
ffmpeg -i audio.mp3 -framerate 30 -i 'frames/frame-%07d.jpg' -r 30 -c:v libx264 -c:a copy "$1.mp4"