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/*
* 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;
}
}
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