#!/bin/bash -e

#####################################################
#
# This script will increase the contrast of an input
# video by 2 (acceptable values -1000 to 1000) and
# increases the brightness by 0.4 (-1 to 1)
#
# Usage: bash ffmpeg/filter/brightness.sh <input video> <output video>
#
#####################################################

INPUT="${1}"
OUTPUT="${2}"

# 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

ffmpeg -i "${INPUT}" \
	-vf eq=contrast=2:brightness=0.4 \
	-c:v prores_ks \
	-profile:v 3 \
	"${OUTPUT}"