#!/bin/bash -e

#####################################################
#
# This script will create a 15 second title with a
# 5 second fade in and a 5 second fade out
# 
# Usage: bash im/title.sh <title text> <output video>
#
#####################################################

TEXT="${1}"
OUTPUT="${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

convert -size 1280x720 \
	-background black \
	-fill white \
	-gravity Center \
	-weight 700 \
	-pointsize 200 \
	label:"${TEXT}" \
	title.png

ffmpeg -loop 1 \
	-framerate 24 \
	-f image2 \
	-i title.png \
	-s 1280x720 \
	-vf "fade=t=in:st=0:d=5,fade=t=out:st=10:d=5" \
	-c:v prores_ks \
	-profile:v 3 \
	-t 15 \
	"${OUTPUT}"

# Clean up by removing the image
rm title.png