1 /* 2 * Copyright 2011 castLabs, Berlin 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.boxes.basemediaformat; 18 19 import com.googlecode.mp4parser.AbstractBox; 20 import com.coremedia.iso.boxes.h264.AvcConfigurationBox; 21 22 import java.io.ByteArrayOutputStream; 23 import java.nio.ByteBuffer; 24 import java.util.Arrays; 25 import java.util.List; 26 27 import static com.googlecode.mp4parser.util.CastUtils.l2i; 28 29 /** 30 * The AVC NAL Unit Storage Box SHALL contain an AVCDecoderConfigurationRecord, 31 * as defined in section 5.2.4.1 of the ISO 14496-12. 32 */ 33 public class AvcNalUnitStorageBox extends AbstractBox { 34 AvcConfigurationBox.AVCDecoderConfigurationRecord avcDecoderConfigurationRecord; 35 AvcNalUnitStorageBox()36 public AvcNalUnitStorageBox() { 37 super("avcn"); 38 } 39 AvcNalUnitStorageBox(AvcConfigurationBox avcConfigurationBox)40 public AvcNalUnitStorageBox(AvcConfigurationBox avcConfigurationBox) { 41 super("avcn"); 42 this.avcDecoderConfigurationRecord = avcConfigurationBox.getavcDecoderConfigurationRecord(); 43 } 44 getAvcDecoderConfigurationRecord()45 public AvcConfigurationBox.AVCDecoderConfigurationRecord getAvcDecoderConfigurationRecord() { 46 return avcDecoderConfigurationRecord; 47 } 48 49 // just to display sps in isoviewer no practical use getLengthSizeMinusOne()50 public int getLengthSizeMinusOne() { 51 return avcDecoderConfigurationRecord.lengthSizeMinusOne; 52 } 53 getSPS()54 public String[] getSPS() { 55 return avcDecoderConfigurationRecord.getSPS(); 56 } 57 getPPS()58 public String[] getPPS() { 59 return avcDecoderConfigurationRecord.getPPS(); 60 } 61 getSequenceParameterSetsAsStrings()62 public List<String> getSequenceParameterSetsAsStrings() { 63 return avcDecoderConfigurationRecord.getSequenceParameterSetsAsStrings(); 64 } 65 getSequenceParameterSetExtsAsStrings()66 public List<String> getSequenceParameterSetExtsAsStrings() { 67 return avcDecoderConfigurationRecord.getSequenceParameterSetExtsAsStrings(); 68 } 69 getPictureParameterSetsAsStrings()70 public List<String> getPictureParameterSetsAsStrings() { 71 return avcDecoderConfigurationRecord.getPictureParameterSetsAsStrings(); 72 } 73 74 @Override getContentSize()75 protected long getContentSize() { 76 return avcDecoderConfigurationRecord.getContentSize(); 77 } 78 79 @Override _parseDetails(ByteBuffer content)80 public void _parseDetails(ByteBuffer content) { 81 this.avcDecoderConfigurationRecord = new AvcConfigurationBox.AVCDecoderConfigurationRecord(content); 82 } 83 84 @Override getContent(ByteBuffer byteBuffer)85 protected void getContent(ByteBuffer byteBuffer) { 86 this.avcDecoderConfigurationRecord.getContent(byteBuffer); 87 } 88 89 @Override toString()90 public String toString() { 91 return "AvcNalUnitStorageBox{" + 92 "SPS=" + avcDecoderConfigurationRecord.getSequenceParameterSetsAsStrings() + 93 ",PPS=" + avcDecoderConfigurationRecord.getPictureParameterSetsAsStrings() + 94 ",lengthSize=" + (avcDecoderConfigurationRecord.lengthSizeMinusOne + 1) + 95 '}'; 96 } 97 } 98