long start = System.currentTimeMillis();
FileChannel rChannel = new RandomAccessFile("/media/scratch/CSI.S12E21.HDTV.x264-LOL.mp4", "r").getChannel();
FileChannel wChannel = new RandomAccessFile("/media/scratch/ThreeHundredFourtyThreeMB_2.mp4", "rw").getChannel();
IsoFile isoFile = new IsoFile(rChannel);
HandlerBox hdlr = (HandlerBox) Path.getPath(isoFile, "/moov[0]/trak[0]/mdia[0]/hdlr[0]");
hdlr.setName(RandomStringUtils.random(hdlr.getName().length()));
isoFile.getBox(wChannel);
rChannel.close();
wChannel.close();
System.err.println((System.currentTimeMillis() - start) + "ms");
new File("/media/scratch/ThreeHundredFourtyThreeMB_2.mp4").delete();
