gistfile1.txt

public static void combineVideos(){
		List<Movie> movies = new LinkedList<Movie>();

		File videos = new File("/root/Videos/");

		File[] directoryListing = videos.listFiles();

		for (File child : directoryListing) {
			try {
				movies.add(MovieCreator.build(child.getAbsolutePath()));
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		//All our videos have been added cool.
		List<Track> videoTracks = new LinkedList<Track>();
		List<Track> audioTracks = new LinkedList<Track>();

		Movie newMovie = new Movie();


		for (Movie m : movies) {
			for (Track track : m.getTracks()) {
				if (track.getHandler().equals("vide")) {
					videoTracks.add(track);

				}
				if (track.getHandler().equals("soun")) {
					audioTracks.add(track);
				}
			}
		}

		try {
			newMovie.addTrack(new AppendTrack(audioTracks.toArray(new Track[audioTracks.size()])));
			newMovie.addTrack(new AppendTrack(videoTracks.toArray(new Track[videoTracks.size()])));
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		Container out = new DefaultMp4Builder().build(newMovie);

		try {
			FileChannel fc = new RandomAccessFile(String.format("output.mp4"), "rw").getChannel();
			out.writeContainer(fc);
			fc.close();

		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}