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/*
* Copyright 2009 castLabs GmbH, Berlin
*
* 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.fragment;
import com.googlecode.mp4parser.AbstractContainerBox;
import com.coremedia.iso.boxes.Box;
import com.coremedia.iso.boxes.SampleDependencyTypeBox;
import com.googlecode.mp4parser.annotations.DoNotParseDetail;
import java.util.ArrayList;
import java.util.List;
/**
* aligned(8) class MovieFragmentBox extends Box(moof){
* }
*/
public class MovieFragmentBox extends AbstractContainerBox {
public static final String TYPE = "moof";
public MovieFragmentBox() {
super(TYPE);
}
public List<Long> getSyncSamples(SampleDependencyTypeBox sdtp) {
List<Long> result = new ArrayList<Long>();
final List<SampleDependencyTypeBox.Entry> sampleEntries = sdtp.getEntries();
long i = 1;
for (SampleDependencyTypeBox.Entry sampleEntry : sampleEntries) {
if (sampleEntry.getSampleDependsOn() == 2) {
result.add(i);
}
i++;
}
return result;
}
@DoNotParseDetail
public long getOffset() {
Box b = this;
long offset = 0;
while (b.getParent() != null) {
for (Box box : b.getParent().getBoxes()) {
if (b == box) {
break;
}
offset += box.getSize();
}
b = b.getParent();
}
return offset;
}
public int getTrackCount() {
return getBoxes(TrackFragmentBox.class, false).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<TrackFragmentBox> trackBoxes = this.getBoxes(TrackFragmentBox.class, false);
long[] trackNumbers = new long[trackBoxes.size()];
for (int trackCounter = 0; trackCounter < trackBoxes.size(); trackCounter++) {
TrackFragmentBox trackBoxe = trackBoxes.get(trackCounter);
trackNumbers[trackCounter] = trackBoxe.getTrackFragmentHeaderBox().getTrackId();
}
return trackNumbers;
}
public List<TrackFragmentHeaderBox> getTrackFragmentHeaderBoxes() {
return getBoxes(TrackFragmentHeaderBox.class, true);
}
public List<TrackRunBox> getTrackRunBoxes() {
return getBoxes(TrackRunBox.class, true);
}
}
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