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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.coremedia.iso.IsoTypeReader;
import com.coremedia.iso.IsoTypeWriter;
import com.googlecode.mp4parser.AbstractFullBox;
import java.nio.ByteBuffer;
/**
* Describes the format of media access units in PDCF files.
*/
public final class OmaDrmAccessUnitFormatBox extends AbstractFullBox {
public static final String TYPE = "odaf";
private boolean selectiveEncryption;
private byte allBits;
private int keyIndicatorLength;
private int initVectorLength;
protected long getContentSize() {
return 7;
}
public OmaDrmAccessUnitFormatBox() {
super("odaf");
}
public boolean isSelectiveEncryption() {
return selectiveEncryption;
}
public int getKeyIndicatorLength() {
return keyIndicatorLength;
}
public int getInitVectorLength() {
return initVectorLength;
}
public void setInitVectorLength(int initVectorLength) {
this.initVectorLength = initVectorLength;
}
public void setKeyIndicatorLength(int keyIndicatorLength) {
this.keyIndicatorLength = keyIndicatorLength;
}
public void setAllBits(byte allBits) {
this.allBits = allBits;
selectiveEncryption = (allBits & 0x80) == 0x80;
}
@Override
public void _parseDetails(ByteBuffer content) {
parseVersionAndFlags(content);
allBits = (byte) IsoTypeReader.readUInt8(content);
selectiveEncryption = (allBits & 0x80) == 0x80;
keyIndicatorLength = IsoTypeReader.readUInt8(content);
initVectorLength = IsoTypeReader.readUInt8(content);
}
@Override
protected void getContent(ByteBuffer byteBuffer) {
writeVersionAndFlags(byteBuffer);
IsoTypeWriter.writeUInt8(byteBuffer, allBits);
IsoTypeWriter.writeUInt8(byteBuffer, keyIndicatorLength);
IsoTypeWriter.writeUInt8(byteBuffer, initVectorLength);
}
}
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