| /* |
| * 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 com.googlecode.mp4parser.AbstractBox; |
| |
| import java.nio.ByteBuffer; |
| |
| /** |
| * <code>class BitRateBox extends Box('btrt') {<br/> |
| * unsigned int(32) bufferSizeDB;<br/> |
| * // gives the size of the decoding buffer for<br/> |
| * // the elementary stream in bytes.<br/> |
| * unsigned int(32) maxBitrate;<br/> |
| * // gives the maximum rate in bits/second <br/> |
| * // over any window of one second.<br/> |
| * unsigned int(32) avgBitrate;<br/> |
| * // avgBitrate gives the average rate in <br/> |
| * // bits/second over the entire presentation.<br/> |
| * }</code> |
| */ |
| |
| public final class BitRateBox extends AbstractBox { |
| public static final String TYPE = "btrt"; |
| |
| private long bufferSizeDb; |
| private long maxBitrate; |
| private long avgBitrate; |
| |
| public BitRateBox() { |
| super(TYPE); |
| } |
| |
| protected long getContentSize() { |
| return 12; |
| } |
| |
| @Override |
| public void _parseDetails(ByteBuffer content) { |
| bufferSizeDb = IsoTypeReader.readUInt32(content); |
| maxBitrate = IsoTypeReader.readUInt32(content); |
| avgBitrate = IsoTypeReader.readUInt32(content); |
| } |
| |
| @Override |
| protected void getContent(ByteBuffer byteBuffer) { |
| IsoTypeWriter.writeUInt32(byteBuffer, bufferSizeDb); |
| IsoTypeWriter.writeUInt32(byteBuffer, maxBitrate); |
| IsoTypeWriter.writeUInt32(byteBuffer, avgBitrate); |
| } |
| |
| public long getBufferSizeDb() { |
| return bufferSizeDb; |
| } |
| |
| public void setBufferSizeDb(long bufferSizeDb) { |
| this.bufferSizeDb = bufferSizeDb; |
| } |
| |
| public long getMaxBitrate() { |
| return maxBitrate; |
| } |
| |
| public void setMaxBitrate(long maxBitrate) { |
| this.maxBitrate = maxBitrate; |
| } |
| |
| public long getAvgBitrate() { |
| return avgBitrate; |
| } |
| |
| public void setAvgBitrate(long avgBitrate) { |
| this.avgBitrate = avgBitrate; |
| } |
| } |