1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 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 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 /*********************************************************************************/ 19 /* ------------------------------------------------------------------- */ 20 /* MPEG-4 SampleDescriptionAtom Class */ 21 /* ------------------------------------------------------------------- */ 22 /*********************************************************************************/ 23 /* 24 This SampleDescriptionAtom Class gives detailed information about the coding 25 type used, and any initialization information needed for coding. 26 */ 27 28 29 #ifndef SAMPLEDESCRIPTIONATOM_H_INCLUDED 30 #define SAMPLEDESCRIPTIONATOM_H_INCLUDED 31 32 #ifndef OSCL_FILE_IO_H_INCLUDED 33 #include "oscl_file_io.h" 34 #endif 35 36 #ifndef FULLATOM_H_INCLUDED 37 #include "fullatom.h" 38 #endif 39 40 #ifndef SAMPLEENTRY_H_INCLUDED 41 #include "sampleentry.h" 42 #endif 43 44 #ifndef ESDESCRIPTOR_H_INCLUDED 45 #include "esdescriptor.h" 46 #endif 47 48 #ifndef DECODERSPECIFICINFO_H_INCLUDED 49 #include "decoderspecificinfo.h" 50 #endif 51 52 #ifndef AMRSAMPLEENTRY_H_INCLUDED 53 #include "amrsampleentry.h" 54 #endif 55 56 #ifndef H263SAMPLEENTRY_H_INCLUDED 57 #include "h263sampleentry.h" 58 #endif 59 60 #ifndef AVCSAMPLEENTRY_H_INCLUDED 61 #include "avcsampleentry.h" 62 #endif 63 64 #ifndef AVCSUBSEQDESCRIPTIONENTRY_H_INCLUDED 65 #include "avcsubseqdescriptionentry.h" 66 #endif 67 68 #ifndef AVCLAYERDESCRIPTIONENTRY_H_INCLUDED 69 #include "avclayerentry.h" 70 #endif 71 72 73 class ProtectionSchemeInformationBox; 74 75 class SampleDescriptionAtom : public FullAtom 76 { 77 78 public: 79 SampleDescriptionAtom(MP4_FF_FILE *fp, 80 uint32 mediaType, 81 uint32 size, 82 uint32 type); 83 84 virtual ~SampleDescriptionAtom(); 85 86 // Member gets and sets 87 uint32 getEntryCount() const 88 { 89 return _entryCount; 90 } 91 uint32 getHandlerType() const 92 { 93 return _handlerType; 94 } 95 96 const SampleEntry* getSampleEntryAt(int32 index) const; 97 SampleEntry* getMutableSampleEntryAt(int32 index); 98 99 uint32 getNumSampleEntries() 100 { 101 if (_psampleEntryVec != NULL) 102 { 103 return _psampleEntryVec->size(); 104 } 105 else 106 { 107 return 0; 108 } 109 } 110 111 // Getting and setting the Mpeg4 VOL header 112 DecoderSpecificInfo *getDecoderSpecificInfo(uint32 index); 113 114 void getMIMEType(OSCL_String& aMimeType);//Move to SampleDescription.cpp 115 116 uint8 getObjectTypeIndication(); 117 118 uint32 getMaxBufferSizeDB(); // Get the max size buffer needed to retrieve the media samples 119 int32 getAverageBitrate(); 120 int32 getMaxBitrate(); 121 122 uint32 getHspacing(); 123 uint32 getVspacing(); 124 125 // Return the ESID for the track - undefined if a HINT track 126 uint32 getESID(uint32 index); 127 128 // Return the first ESDescriptor for the track - undefined if a HINT track 129 const ESDescriptor *getESDescriptor(uint32 index); 130 131 // Get the type of SampleEntry atom (i.e. MPEG_SAMPLE_ENTRY, ... '<protocol>', etc.) 132 uint32 getSampleProtocol(uint32 index); 133 134 uint32 getMediaType() 135 { 136 return _pMediaType; 137 } 138 139 AMRSampleEntry *getAMRSampleEntry() 140 { 141 return _pAMRSampleEntryAtom; 142 } 143 144 H263SampleEntry *getH263SampleEntry() 145 { 146 return _pH263SampleEntryAtom; 147 } 148 149 bool Is3GPPAMR() 150 { 151 if (_o3GPPAMR) 152 { 153 return true; 154 } 155 else 156 { 157 return false; 158 } 159 } 160 161 AVCSampleEntry* getAVCSampleEntry(uint32 index) 162 { 163 return (*_pAVCSampleEntryVec)[index]; 164 } 165 166 uint32 getNumAVCSampleEntries() 167 { 168 if (_pAVCSampleEntryVec != NULL) 169 return _pAVCSampleEntryVec->size(); 170 else 171 return 0; 172 } 173 174 SampleEntry *getTextSampleEntryAt(uint32 index); 175 176 uint32 getAVCNALLengthSize(uint32 index) 177 { 178 if (_oAVC) 179 { 180 return (((*_pAVCSampleEntryVec)[index])->getNALLengthSize()); 181 } 182 return 0; 183 } 184 185 uint32 getTrackLevelOMA2DRMInfoSize(); 186 uint8* getTrackLevelOMA2DRMInfo(); 187 188 int32 getHeight(); 189 int32 getWidth(); 190 private: 191 uint32 _entryCount; 192 uint32 _handlerType; 193 Oscl_Vector<SampleEntry*, OsclMemAllocator> *_psampleEntryVec; 194 195 uint32 _pMediaType; 196 197 AMRSampleEntry *_pAMRSampleEntryAtom; 198 H263SampleEntry *_pH263SampleEntryAtom; 199 Oscl_Vector<AVCSampleEntry*, OsclMemAllocator> *_pAVCSampleEntryVec; 200 AVCSubSequenceEntry *_pavcSubSequenceEntry; 201 AVCLayerDescEntry *_pavcLayerDescEntry; 202 203 bool _o3GPPAMR; 204 bool _o3GPPH263; 205 bool _o3GPPWBAMR; 206 bool _oAVC; 207 208 ProtectionSchemeInformationBox* _pProtectionSchemeInformationBox; 209 }; 210 211 212 #endif // SAMPLEDESCRIPTIONATOM_H_INCLUDED 213
