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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.sampleentry;
import com.coremedia.iso.IsoFile;
import com.coremedia.iso.IsoTypeReader;
import com.coremedia.iso.IsoTypeWriter;
import com.googlecode.mp4parser.AbstractBox;
import java.nio.ByteBuffer;
/**
* AMR audio format specific subbox of an audio sample entry.
*
* @see com.coremedia.iso.boxes.sampleentry.AudioSampleEntry
*/
public class AmrSpecificBox extends AbstractBox {
public static final String TYPE = "damr";
private String vendor;
private int decoderVersion;
private int modeSet;
private int modeChangePeriod;
private int framesPerSample;
public AmrSpecificBox() {
super(TYPE);
}
public String getVendor() {
return vendor;
}
public int getDecoderVersion() {
return decoderVersion;
}
public int getModeSet() {
return modeSet;
}
public int getModeChangePeriod() {
return modeChangePeriod;
}
public int getFramesPerSample() {
return framesPerSample;
}
protected long getContentSize() {
return 9;
}
@Override
public void _parseDetails(ByteBuffer content) {
byte[] v = new byte[4];
content.get(v);
vendor = IsoFile.bytesToFourCC(v);
decoderVersion = IsoTypeReader.readUInt8(content);
modeSet = IsoTypeReader.readUInt16(content);
modeChangePeriod = IsoTypeReader.readUInt8(content);
framesPerSample = IsoTypeReader.readUInt8(content);
}
public void getContent(ByteBuffer byteBuffer) {
byteBuffer.put(IsoFile.fourCCtoBytes(vendor));
IsoTypeWriter.writeUInt8(byteBuffer, decoderVersion);
IsoTypeWriter.writeUInt16(byteBuffer, modeSet);
IsoTypeWriter.writeUInt8(byteBuffer, modeChangePeriod);
IsoTypeWriter.writeUInt8(byteBuffer, framesPerSample);
}
public String toString() {
StringBuilder buffer = new StringBuilder();
buffer.append("AmrSpecificBox[vendor=").append(getVendor());
buffer.append(";decoderVersion=").append(getDecoderVersion());
buffer.append(";modeSet=").append(getModeSet());
buffer.append(";modeChangePeriod=").append(getModeChangePeriod());
buffer.append(";framesPerSample=").append(getFramesPerSample());
buffer.append("]");
return buffer.toString();
}
}
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