#!/bin/bash
set -e -u
music=$1 image=$2 output=$3
if [ -z "$output" ]; then
        output=${music%.*}.mp4
fi
time ffmpeg -loop 1 -i "$image" -i "$music" -c:v libx264 -tune stillimage -c:a aac -strict experimental -b:a 192k -pix_fmt yuv420p -shortest "$output"