org.tinymediamanager.scraper.util.youtube.muxer.TmmMuxer Maven / Gradle / Ivy

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/*
 * Copyright 2012 - 2019 Manuel Laggner
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.tinymediamanager.scraper.util.youtube.muxer;

import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;
import java.nio.file.Path;

import org.mp4parser.Container;
import org.mp4parser.muxer.Movie;
import org.mp4parser.muxer.builder.FragmentedMp4Builder;
import org.mp4parser.muxer.container.mp4.MovieCreator;

/**
 * The TMM Muxer class for muxing an audio and an video file in MP4 format
 *
 * @author Wolfgang Janes
 */
public class TmmMuxer {
  private Path audioFile;
  private Path videoFile;

  public TmmMuxer(Path audio, Path video) {
    audioFile = audio;
    videoFile = video;
  }

  /**
   * merge the video and audio stream into the given destination
   * 
   * @param destination
   *          the path to the desired destination
   * @throws IOException
   *           any {@link IOException } thrown while processing
   */
  public void mergeAudioVideo(Path destination) throws IOException {

    Movie video = MovieCreator.build(videoFile.toAbsolutePath().toString());
    Movie audio = MovieCreator.build(audioFile.toAbsolutePath().toString());

    Movie movie = new Movie();
    movie.addTrack(video.getTracks().get(0));
    movie.addTrack(audio.getTracks().get(0));

    Container mp4file = new FragmentedMp4Builder().build(movie);
    try (FileChannel fc = new FileOutputStream(destination.toFile()).getChannel()) {
      mp4file.writeContainer(fc);
    }
  }
}