| /* |
| * 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); |
| } |
| |
| } |