1dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu/* 2dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Copyright 2008 CoreMedia AG, Hamburg 3dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 4dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Licensed under the Apache License, Version 2.0 (the License); 5dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * you may not use this file except in compliance with the License. 6dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * You may obtain a copy of the License at 7dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 8dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * http://www.apache.org/licenses/LICENSE-2.0 9dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 10dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Unless required by applicable law or agreed to in writing, software 11dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * distributed under the License is distributed on an AS IS BASIS, 12dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * See the License for the specific language governing permissions and 14dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * limitations under the License. 15dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu */ 16dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 17dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhupackage com.googlecode.mp4parser; 18dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 19dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 20dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport com.coremedia.iso.IsoTypeReader; 21dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport com.coremedia.iso.IsoTypeWriter; 22dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport com.coremedia.iso.boxes.FullBox; 23dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 24dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport java.nio.ByteBuffer; 25dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 26dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu/** 27dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Base class for all ISO Full boxes. 28dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu */ 29dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhupublic abstract class AbstractFullBox extends AbstractBox implements FullBox { 30dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu private int version; 31dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu private int flags; 32dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 33dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu protected AbstractFullBox(String type) { 34dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu super(type); 35dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 36dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 37dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu protected AbstractFullBox(String type, byte[] userType) { 38dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu super(type, userType); 39dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 40dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 41dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public int getVersion() { 42dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return version; 43dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 44dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 45dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public void setVersion(int version) { 46dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu this.version = version; 47dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 48dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 49dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public int getFlags() { 50dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return flags; 51dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 52dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 53dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public void setFlags(int flags) { 54dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu this.flags = flags; 55dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 56dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 57dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 58dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu /** 59dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Parses the version/flags header and returns the remaining box size. 60dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 61dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * @param content 62dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * @return number of bytes read 63dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu */ 64dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu protected final long parseVersionAndFlags(ByteBuffer content) { 65dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu version = IsoTypeReader.readUInt8(content); 66dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu flags = IsoTypeReader.readUInt24(content); 67dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return 4; 68dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 69dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 70dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu protected final void writeVersionAndFlags(ByteBuffer bb) { 71dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu IsoTypeWriter.writeUInt8(bb, version); 72dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu IsoTypeWriter.writeUInt24(bb, flags); 73dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 74dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu} 75