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.googlecode.mp4parser; 18 19 20 import com.coremedia.iso.IsoTypeReader; 21 import com.coremedia.iso.IsoTypeWriter; 22 import com.coremedia.iso.boxes.FullBox; 23 24 import java.nio.ByteBuffer; 25 26 /** 27 * Base class for all ISO Full boxes. 28 */ 29 public abstract class AbstractFullBox extends AbstractBox implements FullBox { 30 private int version; 31 private int flags; 32 33 protected AbstractFullBox(String type) { 34 super(type); 35 } 36 37 protected AbstractFullBox(String type, byte[] userType) { 38 super(type, userType); 39 } 40 41 public int getVersion() { 42 return version; 43 } 44 45 public void setVersion(int version) { 46 this.version = version; 47 } 48 49 public int getFlags() { 50 return flags; 51 } 52 53 public void setFlags(int flags) { 54 this.flags = flags; 55 } 56 57 58 /** 59 * Parses the version/flags header and returns the remaining box size. 60 * 61 * @param content 62 * @return number of bytes read 63 */ 64 protected final long parseVersionAndFlags(ByteBuffer content) { 65 version = IsoTypeReader.readUInt8(content); 66 flags = IsoTypeReader.readUInt24(content); 67 return 4; 68 } 69 70 protected final void writeVersionAndFlags(ByteBuffer bb) { 71 IsoTypeWriter.writeUInt8(bb, version); 72 IsoTypeWriter.writeUInt24(bb, flags); 73 } 74 } 75
