1 /* 2 * Copyright 2008 CoreMedia AG, Hamburg 3 * 4 * Licensed under the Apache License, Version 2.0 (the License); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an AS IS BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.coremedia.iso.boxes; 18 19 import com.coremedia.iso.IsoTypeReader; 20 import com.coremedia.iso.IsoTypeWriter; 21 import com.googlecode.mp4parser.FullContainerBox; 22 23 import java.nio.ByteBuffer; 24 25 /** 26 * The Item Protection Box provides an array of item protection information, for use by the Item Information Box. 27 * 28 * @see com.coremedia.iso.boxes.ItemProtectionBox 29 */ 30 public class ItemProtectionBox extends FullContainerBox { 31 32 public static final String TYPE = "ipro"; 33 34 public ItemProtectionBox() { 35 super(TYPE); 36 } 37 38 public SchemeInformationBox getItemProtectionScheme() { 39 if (!getBoxes(SchemeInformationBox.class).isEmpty()) { 40 return getBoxes(SchemeInformationBox.class).get(0); 41 } else { 42 return null; 43 } 44 } 45 46 @Override 47 public void _parseDetails(ByteBuffer content) { 48 parseVersionAndFlags(content); 49 IsoTypeReader.readUInt16(content); 50 parseChildBoxes(content); 51 } 52 53 54 @Override 55 protected void getContent(ByteBuffer byteBuffer) { 56 writeVersionAndFlags(byteBuffer); 57 IsoTypeWriter.writeUInt16(byteBuffer, getBoxes().size()); 58 writeChildBoxes(byteBuffer); 59 } 60 61 } 62
