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 
ItemProtectionBox()34     public ItemProtectionBox() {
35         super(TYPE);
36     }
37 
getItemProtectionScheme()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
_parseDetails(ByteBuffer content)47     public void _parseDetails(ByteBuffer content) {
48         parseVersionAndFlags(content);
49         IsoTypeReader.readUInt16(content);
50         parseChildBoxes(content);
51     }
52 
53 
54     @Override
getContent(ByteBuffer byteBuffer)55     protected void getContent(ByteBuffer byteBuffer) {
56         writeVersionAndFlags(byteBuffer);
57         IsoTypeWriter.writeUInt16(byteBuffer, getBoxes().size());
58         writeChildBoxes(byteBuffer);
59     }
60 
61 }
62