public static void main(String[] args) throws IOException {
Movie video =
MovieCreator.build(
Channels.newChannel(
Mp4WithAudioDelayExample.class.getResourceAsStream("/count-video.mp4")));
Movie audio =
MovieCreator.build(
Channels.newChannel(
Mp4WithAudioDelayExample.class.getResourceAsStream("/count-english-audio.mp4")));
List<Track> videoTracks = video.getTracks();
video.setTracks(new LinkedList<Track>());
List<Track> audioTracks = audio.getTracks();
for (Track videoTrack : videoTracks) {
video.addTrack(new AppendTrack(videoTrack, videoTrack));
}
for (Track audioTrack : audioTracks) {
audioTrack.getTrackMetaData().setStartTime(10.0);
video.addTrack(audioTrack);
}
IsoFile out = new DefaultMp4Builder().build(video);
FileOutputStream fos = new FileOutputStream(new File(String.format("output.mp4")));
out.getBox(fos.getChannel());
fos.close();
}
public void testRoundTrip_1(String resource) throws Exception {
long start1 = System.currentTimeMillis();
String originalFile =
this.getClass().getProtectionDomain().getCodeSource().getLocation().getFile() + resource;
long start2 = System.currentTimeMillis();
IsoFile isoFile = new IsoFile(originalFile);
long start3 = System.currentTimeMillis();
long start4 = System.currentTimeMillis();
Walk.through(isoFile);
long start5 = System.currentTimeMillis();
File result = File.createTempFile(this.getName(), resource.replace("/", "_"));
FileOutputStream fos = new FileOutputStream(result);
FileChannel fcOut = fos.getChannel();
isoFile.getBox(fcOut);
fcOut.close();
fos.close();
long start6 = System.currentTimeMillis();
/* System.err.println("Preparing tmp copy took: " + (start2 - start1) + "ms");
System.err.println("Parsing took : " + (start3 - start2) + "ms");
System.err.println("Writing took : " + (start6 - start3) + "ms");
System.err.println("Walking took : " + (start5 - start4) + "ms");*/
IsoFile copyViaIsoFileReparsed = new IsoFile(result.getAbsolutePath());
BoxComparator.check(
isoFile,
copyViaIsoFileReparsed,
"/moov[0]/mvhd[0]",
"/moov[0]/trak[0]/tkhd[0]",
"/moov[0]/trak[0]/mdia[0]/mdhd[0]");
isoFile.close();
copyViaIsoFileReparsed.close();
result.deleteOnExit();
// as windows cannot delete file when something is memory mapped and the garbage collector
// doesn't necessarily free the Buffers quickly enough we cannot delete the file here (we could
// but only for linux)
}
public void convert(Context context, String infile, String outfile) throws IOException {
AACToM4A.context = context;
InputStream input = new FileInputStream(infile);
PushbackInputStream pbi = new PushbackInputStream(input, 100);
System.err.println("well you got " + input.available());
Movie movie = new Movie();
Track audioTrack = new AACTrackImpl(pbi);
movie.addTrack(audioTrack);
IsoFile out = new DefaultMp4Builder().build(movie);
FileOutputStream output = new FileOutputStream(outfile);
out.getBox(output.getChannel());
output.close();
}
