| /* |
| * 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.AbstractFullBox; |
| |
| import java.nio.ByteBuffer; |
| |
| import static com.googlecode.mp4parser.util.CastUtils.l2i; |
| |
| /** |
| * This box provides a compact marking of the random access points withinthe stream. The table is arranged in |
| * strictly decreasinf order of sample number. Defined in ISO/IEC 14496-12. |
| */ |
| public class SyncSampleBox extends AbstractFullBox { |
| public static final String TYPE = "stss"; |
| |
| private long[] sampleNumber; |
| |
| public SyncSampleBox() { |
| super(TYPE); |
| } |
| |
| /** |
| * Gives the numbers of the samples that are random access points in the stream. |
| * |
| * @return random access sample numbers. |
| */ |
| public long[] getSampleNumber() { |
| return sampleNumber; |
| } |
| |
| protected long getContentSize() { |
| return sampleNumber.length * 4 + 8; |
| } |
| |
| @Override |
| public void _parseDetails(ByteBuffer content) { |
| parseVersionAndFlags(content); |
| int entryCount = l2i(IsoTypeReader.readUInt32(content)); |
| |
| sampleNumber = new long[entryCount]; |
| for (int i = 0; i < entryCount; i++) { |
| sampleNumber[i] = IsoTypeReader.readUInt32(content); |
| } |
| } |
| |
| @Override |
| protected void getContent(ByteBuffer byteBuffer) { |
| writeVersionAndFlags(byteBuffer); |
| |
| IsoTypeWriter.writeUInt32(byteBuffer, sampleNumber.length); |
| |
| for (long aSampleNumber : sampleNumber) { |
| IsoTypeWriter.writeUInt32(byteBuffer, aSampleNumber); |
| } |
| |
| } |
| |
| public String toString() { |
| return "SyncSampleBox[entryCount=" + sampleNumber.length + "]"; |
| } |
| |
| public void setSampleNumber(long[] sampleNumber) { |
| this.sampleNumber = sampleNumber; |
| } |
| } |