| /* |
| * Copyright 2008 CoreMedia AG, Hamburg |
| * |
| * 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 com.coremedia.iso.boxes; |
| |
| |
| import com.googlecode.mp4parser.AbstractBox; |
| import com.googlecode.mp4parser.AbstractContainerBox; |
| |
| import java.util.List; |
| |
| /** |
| * The metadata for a presentation is stored in the single Movie Box which occurs at the top-level of a file. |
| * Normally this box is close to the beginning or end of the file, though this is not required. |
| */ |
| public class MovieBox extends AbstractContainerBox { |
| public static final String TYPE = "moov"; |
| |
| public MovieBox() { |
| super(TYPE); |
| } |
| |
| public int getTrackCount() { |
| return getBoxes(TrackBox.class).size(); |
| } |
| |
| |
| /** |
| * Returns the track numbers associated with this <code>MovieBox</code>. |
| * |
| * @return the tracknumbers (IDs) of the tracks in their order of appearance in the file |
| */ |
| public long[] getTrackNumbers() { |
| |
| List<TrackBox> trackBoxes = this.getBoxes(TrackBox.class); |
| long[] trackNumbers = new long[trackBoxes.size()]; |
| for (int trackCounter = 0; trackCounter < trackBoxes.size(); trackCounter++) { |
| AbstractBox trackBoxe = trackBoxes.get(trackCounter); |
| TrackBox trackBox = (TrackBox) trackBoxe; |
| trackNumbers[trackCounter] = trackBox.getTrackHeaderBox().getTrackId(); |
| } |
| return trackNumbers; |
| } |
| |
| public MovieHeaderBox getMovieHeaderBox() { |
| for (Box box : boxes) { |
| if (box instanceof MovieHeaderBox) { |
| return (MovieHeaderBox) box; |
| } |
| } |
| return null; |
| } |
| |
| } |