Movie audioMovie = MovieCreator.build(new FileInputStream("/home/sannies/scm/svn/mp4parser/silence/sample.mp4").getChannel());
Movie result = new Movie();
Track audio = audioMovie.getTracks().get(0);
Track silence = new SilenceTrackImpl(audio, 2000);
result.addTrack(new AppendTrack(silence, audio));
IsoFile isoFile = new DefaultMp4Builder().build(result);
FileChannel fc = new RandomAccessFile(String.format("output.mp4"), "rw").getChannel();
fc.position(0);
isoFile.getBox(fc);
fc.close();
