1/* 2 * Copyright 2011 castLabs, Berlin 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 17package com.googlecode.mp4parser.boxes.mp4.objectdescriptors; 18 19import com.coremedia.iso.Hex; 20 21import java.io.IOException; 22import java.nio.ByteBuffer; 23import java.util.logging.Logger; 24 25/** 26 * abstract class ExtensionDescriptor extends BaseDescriptor 27 * : bit(8) tag = ExtensionProfileLevelDescrTag, ExtDescrTagStartRange .. 28 * ExtDescrTagEndRange { 29 * // empty. To be filled by classes extending this class. 30 * } 31 */ 32@Descriptor(tags = {0x13, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253}) 33public class ExtensionDescriptor extends BaseDescriptor { 34 private static Logger log = Logger.getLogger(ExtensionDescriptor.class.getName()); 35 36 byte[] bytes; 37 38 39 //todo: add this better to the tags list? 40 //14496-1:2010 p.20: 41 //0x6A-0xBF Reserved for ISO use 42 //0xC0-0xFE User private 43 // 44 //ExtDescrTagStartRange = 0x6A 45 //ExtDescrTagEndRange = 0xFE 46 static int[] allTags() { 47 int[] ints = new int[0xFE - 0x6A]; 48 49 for (int i = 0x6A; i < 0xFE; i++) { 50 final int pos = i - 0x6A; 51 log.finest("pos:" + pos); 52 ints[pos] = i; 53 } 54 return ints; 55 } 56 57 @Override 58 public void parseDetail(ByteBuffer bb) throws IOException { 59 if (getSize() > 0) { 60 bytes = new byte[sizeOfInstance]; 61 bb.get(bytes); 62 } 63 } 64 65 @Override 66 public String toString() { 67 final StringBuilder sb = new StringBuilder(); 68 sb.append("ExtensionDescriptor"); 69 sb.append("{bytes=").append(bytes == null ? "null" : Hex.encodeHex(bytes)); 70 sb.append('}'); 71 return sb.toString(); 72 } 73} 74