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/*
* Copyright 2012 Sebastian Annies, 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.googlecode.mp4parser.authoring.tracks;
import com.coremedia.iso.boxes.*;
import com.googlecode.mp4parser.authoring.AbstractTrack;
import com.googlecode.mp4parser.authoring.Track;
import com.googlecode.mp4parser.authoring.TrackMetaData;
import java.nio.ByteBuffer;
import java.util.AbstractList;
import java.util.LinkedList;
import java.util.List;
/**
* Generates a Track where a single sample has been replaced by a given <code>ByteBuffer</code>.
*/
public class ReplaceSampleTrack extends AbstractTrack {
Track origTrack;
private long sampleNumber;
private ByteBuffer sampleContent;
private List<ByteBuffer> samples;
public ReplaceSampleTrack(Track origTrack, long sampleNumber, ByteBuffer content) {
this.origTrack = origTrack;
this.sampleNumber = sampleNumber;
this.sampleContent = content;
this.samples = new ReplaceASingleEntryList();
}
public List<ByteBuffer> getSamples() {
return samples;
}
public SampleDescriptionBox getSampleDescriptionBox() {
return origTrack.getSampleDescriptionBox();
}
public List<TimeToSampleBox.Entry> getDecodingTimeEntries() {
return origTrack.getDecodingTimeEntries();
}
public List<CompositionTimeToSample.Entry> getCompositionTimeEntries() {
return origTrack.getCompositionTimeEntries();
}
synchronized public long[] getSyncSamples() {
return origTrack.getSyncSamples();
}
public List<SampleDependencyTypeBox.Entry> getSampleDependencies() {
return origTrack.getSampleDependencies();
}
public TrackMetaData getTrackMetaData() {
return origTrack.getTrackMetaData();
}
public String getHandler() {
return origTrack.getHandler();
}
public Box getMediaHeaderBox() {
return origTrack.getMediaHeaderBox();
}
public SubSampleInformationBox getSubsampleInformationBox() {
return origTrack.getSubsampleInformationBox();
}
private class ReplaceASingleEntryList extends AbstractList<ByteBuffer> {
@Override
public ByteBuffer get(int index) {
if (ReplaceSampleTrack.this.sampleNumber == index) {
return ReplaceSampleTrack.this.sampleContent;
} else {
return ReplaceSampleTrack.this.origTrack.getSamples().get(index);
}
}
@Override
public int size() {
return ReplaceSampleTrack.this.origTrack.getSamples().size();
}
}
}
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