| /* |
| * Copyright 2008 CoreMedia AG, Hamburg |
| * |
| * Licensed under the Apache License, Version 2.0 (the License); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an AS IS BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.coremedia.iso.boxes; |
| |
| import com.coremedia.iso.IsoTypeReader; |
| import com.coremedia.iso.IsoTypeWriter; |
| |
| import java.nio.ByteBuffer; |
| |
| import static com.googlecode.mp4parser.util.CastUtils.l2i; |
| |
| /** |
| * The chunk offset table gives the index of each chunk into the containing file. Defined in ISO/IEC 14496-12. |
| */ |
| public class StaticChunkOffsetBox extends ChunkOffsetBox { |
| public static final String TYPE = "stco"; |
| |
| private long[] chunkOffsets = new long[0]; |
| |
| public StaticChunkOffsetBox() { |
| super(TYPE); |
| } |
| |
| public long[] getChunkOffsets() { |
| return chunkOffsets; |
| } |
| |
| protected long getContentSize() { |
| return 8 + chunkOffsets.length * 4; |
| } |
| |
| public void setChunkOffsets(long[] chunkOffsets) { |
| this.chunkOffsets = chunkOffsets; |
| } |
| |
| @Override |
| public void _parseDetails(ByteBuffer content) { |
| parseVersionAndFlags(content); |
| int entryCount = l2i(IsoTypeReader.readUInt32(content)); |
| chunkOffsets = new long[entryCount]; |
| for (int i = 0; i < entryCount; i++) { |
| chunkOffsets[i] = IsoTypeReader.readUInt32(content); |
| } |
| |
| } |
| |
| @Override |
| protected void getContent(ByteBuffer byteBuffer) { |
| writeVersionAndFlags(byteBuffer); |
| IsoTypeWriter.writeUInt32(byteBuffer, chunkOffsets.length); |
| for (long chunkOffset : chunkOffsets) { |
| IsoTypeWriter.writeUInt32(byteBuffer, chunkOffset); |
| } |
| } |
| |
| |
| } |