#!/bin/bash fn=${1%.*}_hdvid ffmpeg -i "$2" -acodec libmp3lame "tttmp.mp3" ffmpeg -i "$1" -i "tttmp.mp3" -c:v libx264 -c:a copy "$fn.mp4" rm tttmp.mp3 rm "$1" rm "$2" # webm to mp4 issue - http://superuser.com/questions/873485/how-to-combine-webm-and-opus-to-generate-mp4 #ffmpeg -i "$1" -i "$2" -acodec copy -vcodec copy "$3" # https://kwizzu.com/construct.html