#!/bin/bash

if [ -z "$1" -o -z "$2" ]; then
  echo "Usage: $0 movie.mkv movie.mp4"
  exit
fi

FPS=`mkvinfo "$1" |grep -m 1 fps | awk ' { print $6 }' | sed 's/(//'`

echo "Detected $FPS fps first stream"

mkvextract tracks "$1" 1:/tmp/mkv2ps3.264 2:/tmp/mkv2ps3.ac3
ffmpeg -i /tmp/mkv2ps3.ac3 -ab 192k -ac 2 -acodec libfaac /tmp/mkv2ps3.aac
MP4Box -new "$2" -add /tmp/mkv2ps3.264 -add /tmp/mkv2ps3.aac -fps $FPS
rm /tmp/mkv2ps3.{264,ac3,aac}