1 /* 2 * Copyright (C) 2009 The Android Open Source Project 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 #ifndef META_DATA_BASE_H_ 18 19 #define META_DATA_BASE_H_ 20 21 #include <sys/types.h> 22 23 #include <stdint.h> 24 25 #include <utils/RefBase.h> 26 #include <utils/String8.h> 27 28 namespace android { 29 30 // The following keys map to int32_t data unless indicated otherwise. 31 enum { 32 kKeyMIMEType = 'mime', // cstring 33 kKeyWidth = 'widt', // int32_t, image pixel 34 kKeyHeight = 'heig', // int32_t, image pixel 35 kKeyDisplayWidth = 'dWid', // int32_t, display/presentation 36 kKeyDisplayHeight = 'dHgt', // int32_t, display/presentation 37 kKeySARWidth = 'sarW', // int32_t, sampleAspectRatio width 38 kKeySARHeight = 'sarH', // int32_t, sampleAspectRatio height 39 kKeyThumbnailWidth = 'thbW', // int32_t, thumbnail width 40 kKeyThumbnailHeight = 'thbH', // int32_t, thumbnail height 41 42 // a rectangle, if absent assumed to be (0, 0, width - 1, height - 1) 43 kKeyCropRect = 'crop', 44 45 kKeyRotation = 'rotA', // int32_t (angle in degrees) 46 kKeyIFramesInterval = 'ifiv', // int32_t 47 kKeyStride = 'strd', // int32_t 48 kKeySliceHeight = 'slht', // int32_t 49 kKeyChannelCount = '#chn', // int32_t 50 kKeyChannelMask = 'chnm', // int32_t 51 kKeySampleRate = 'srte', // int32_t (audio sampling rate Hz) 52 kKeyPcmEncoding = 'PCMe', // int32_t (audio encoding enum) 53 kKeyFrameRate = 'frmR', // int32_t (video frame rate fps) 54 kKeyBitRate = 'brte', // int32_t (bps) 55 kKeyMaxBitRate = 'mxBr', // int32_t (bps) 56 kKeyBitsPerSample = 'bits', // int32_t (bits per sample) 57 kKeyStreamHeader = 'stHd', // raw data 58 kKeyESDS = 'esds', // raw data 59 kKeyAACProfile = 'aacp', // int32_t 60 kKeyAVCC = 'avcc', // raw data 61 kKeyHVCC = 'hvcc', // raw data 62 kKeyDVCC = 'dvcc', // raw data 63 kKeyDVVC = 'dvvc', // raw data 64 kKeyDVWC = 'dvwc', // raw data 65 kKeyAV1C = 'av1c', // raw data 66 kKeyThumbnailHVCC = 'thvc', // raw data 67 kKeyThumbnailAV1C = 'tav1', // raw data 68 kKeyD263 = 'd263', // raw data 69 kKeyOpusHeader = 'ohdr', // raw data 70 kKeyOpusCodecDelay = 'ocod', // uint64_t (codec delay in ns) 71 kKeyOpusSeekPreRoll = 'ospr', // uint64_t (seek preroll in ns) 72 kKeyVp9CodecPrivate = 'vp9p', // raw data (vp9 csd information) 73 kKeyIsSyncFrame = 'sync', // int32_t (bool) 74 kKeyIsCodecConfig = 'conf', // int32_t (bool) 75 kKeyIsMuxerData = 'muxd', // int32_t (bool) 76 kKeyIsEndOfStream = 'feos', // int32_t (bool) 77 kKeyTime = 'time', // int64_t (usecs) 78 kKeyDecodingTime = 'decT', // int64_t (decoding timestamp in usecs) 79 kKeyNTPTime = 'ntpT', // uint64_t (ntp-timestamp) 80 kKeyTargetTime = 'tarT', // int64_t (usecs) 81 kKeyDriftTime = 'dftT', // int64_t (usecs) 82 kKeyAnchorTime = 'ancT', // int64_t (usecs) 83 kKeyDuration = 'dura', // int64_t (usecs) 84 kKeyPixelFormat = 'pixf', // int32_t 85 kKeyColorFormat = 'colf', // int32_t 86 kKeyColorSpace = 'cols', // int32_t 87 kKeyPlatformPrivate = 'priv', // pointer 88 kKeyDecoderComponent = 'decC', // cstring 89 kKeyBufferID = 'bfID', 90 kKeyMaxInputSize = 'inpS', 91 kKeyMaxWidth = 'maxW', 92 kKeyMaxHeight = 'maxH', 93 kKeyThumbnailTime = 'thbT', // int64_t (usecs) 94 kKeyTrackID = 'trID', 95 kKeyEncoderDelay = 'encd', // int32_t (frames) 96 kKeyEncoderPadding = 'encp', // int32_t (frames) 97 98 kKeyAlbum = 'albu', // cstring 99 kKeyArtist = 'arti', // cstring 100 kKeyAlbumArtist = 'aart', // cstring 101 kKeyComposer = 'comp', // cstring 102 kKeyGenre = 'genr', // cstring 103 kKeyTitle = 'titl', // cstring 104 kKeyYear = 'year', // cstring 105 kKeyAlbumArt = 'albA', // compressed image data 106 kKeyAuthor = 'auth', // cstring 107 kKeyCDTrackNumber = 'cdtr', // cstring 108 kKeyDiscNumber = 'dnum', // cstring 109 kKeyDate = 'date', // cstring 110 kKeyWriter = 'writ', // cstring 111 kKeyCompilation = 'cpil', // cstring 112 kKeyLocation = 'loc ', // cstring 113 kKeyTimeScale = 'tmsl', // int32_t 114 kKeyCaptureFramerate = 'capF', // float (capture fps) 115 116 // video profile and level 117 kKeyVideoProfile = 'vprf', // int32_t 118 kKeyVideoLevel = 'vlev', // int32_t 119 120 // audio profile and level 121 // The codec framework doesn't distinguish between video and audio profiles, 122 // so there is no need to define a separate key 123 kKeyAudioProfile = 'vprf', // int32_t 124 kKeyAudioLevel = 'vlev', // int32_t 125 126 kKey2ByteNalLength = '2NAL', // int32_t (bool) 127 128 // Identify the file output format for authoring 129 // Please see <media/mediarecorder.h> for the supported 130 // file output formats. 131 kKeyFileType = 'ftyp', // int32_t 132 133 // Track authoring progress status 134 // kKeyTrackTimeStatus is used to track progress in elapsed time 135 kKeyTrackTimeStatus = 'tktm', // int64_t 136 137 kKeyRealTimeRecording = 'rtrc', // bool (int32_t) 138 kKeyBackgroundMode = 'bkmd', // bool (int32_t) 139 140 kKeyNumBuffers = 'nbbf', // int32_t 141 142 // Ogg files can be tagged to be automatically looping... 143 kKeyAutoLoop = 'autL', // bool (int32_t) 144 145 kKeyValidSamples = 'valD', // int32_t 146 147 kKeyIsUnreadable = 'unre', // bool (int32_t) 148 149 // An indication that a video buffer has been rendered. 150 kKeyRendered = 'rend', // bool (int32_t) 151 152 // The language code for this media 153 kKeyMediaLanguage = 'lang', // cstring 154 155 // The manufacturer code for this media 156 kKeyManufacturer = 'manu', // cstring 157 158 // To store the timed text format data 159 kKeyTextFormatData = 'text', // raw data 160 161 kKeyRequiresSecureBuffers = 'secu', // bool (int32_t) 162 163 kKeyIsADTS = 'adts', // bool (int32_t) 164 kKeyAACAOT = 'aaot', // int32_t 165 166 kKeyMpeghProfileLevelIndication = 'hpli', // int32_t 167 kKeyMpeghReferenceChannelLayout = 'hrcl', // int32_t 168 kKeyMpeghCompatibleSets = 'hcos', // raw data 169 170 // If a MediaBuffer's data represents (at least partially) encrypted 171 // data, the following fields aid in decryption. 172 // The data can be thought of as pairs of plain and encrypted data 173 // fragments, i.e. plain and encrypted data alternate. 174 // The first fragment is by convention plain data (if that's not the 175 // case, simply specify plain fragment size of 0). 176 // kKeyEncryptedSizes and kKeyPlainSizes each map to an array of 177 // size_t values. The sum total of all size_t values of both arrays 178 // must equal the amount of data (i.e. MediaBuffer's range_length()). 179 // If both arrays are present, they must be of the same size. 180 // If only encrypted sizes are present it is assumed that all 181 // plain sizes are 0, i.e. all fragments are encrypted. 182 // To programmatically set these array, use the MetaDataBase::setData API, i.e. 183 // const size_t encSizes[]; 184 // meta->setData( 185 // kKeyEncryptedSizes, 0 /* type */, encSizes, sizeof(encSizes)); 186 // A plain sizes array by itself makes no sense. 187 kKeyEncryptedSizes = 'encr', // size_t[] 188 kKeyPlainSizes = 'plai', // size_t[] 189 kKeyCryptoKey = 'cryK', // uint8_t[16] 190 kKeyCryptoIV = 'cryI', // uint8_t[16] 191 kKeyCryptoMode = 'cryM', // int32_t 192 193 kKeyCryptoDefaultIVSize = 'cryS', // int32_t 194 195 kKeyPssh = 'pssh', // raw data 196 kKeyCASystemID = 'caid', // int32_t 197 kKeyCASessionID = 'seid', // raw data 198 kKeyCAPrivateData = 'cadc', // raw data 199 200 kKeyEncryptedByteBlock = 'cblk', // uint8_t 201 kKeySkipByteBlock = 'sblk', // uint8_t 202 203 // Please see MediaFormat.KEY_IS_AUTOSELECT. 204 kKeyTrackIsAutoselect = 'auto', // bool (int32_t) 205 // Please see MediaFormat.KEY_IS_DEFAULT. 206 kKeyTrackIsDefault = 'dflt', // bool (int32_t) 207 // Similar to MediaFormat.KEY_IS_FORCED_SUBTITLE but pertains to av tracks as well. 208 kKeyTrackIsForced = 'frcd', // bool (int32_t) 209 210 // H264 supplemental enhancement information offsets/sizes 211 kKeySEI = 'sei ', // raw data 212 213 // MPEG user data offsets 214 kKeyMpegUserData = 'mpud', // size_t[] 215 216 // HDR related 217 kKeyHdrStaticInfo = 'hdrS', // HDRStaticInfo 218 kKeyHdr10PlusInfo = 'hdrD', // raw data 219 220 // color aspects 221 kKeyColorRange = 'cRng', // int32_t, color range, value defined by ColorAspects.Range 222 kKeyColorPrimaries = 'cPrm', // int32_t, 223 // color Primaries, value defined by ColorAspects.Primaries 224 kKeyTransferFunction = 'tFun', // int32_t, 225 // transfer Function, value defined by ColorAspects.Transfer. 226 kKeyColorMatrix = 'cMtx', // int32_t, 227 // color Matrix, value defined by ColorAspects.MatrixCoeffs. 228 kKeyTemporalLayerId = 'iLyr', // int32_t, temporal layer-id. 0-based (0 => base layer) 229 kKeyTemporalLayerCount = 'cLyr', // int32_t, number of temporal layers encoded 230 231 kKeyTileWidth = 'tilW', // int32_t, HEIF tile width 232 kKeyTileHeight = 'tilH', // int32_t, HEIF tile height 233 kKeyGridRows = 'grdR', // int32_t, HEIF grid rows 234 kKeyGridCols = 'grdC', // int32_t, HEIF grid columns 235 kKeyIccProfile = 'prof', // raw data, ICC profile data 236 kKeyIsPrimaryImage = 'prim', // bool (int32_t), image track is the primary image 237 kKeyFrameCount = 'nfrm', // int32_t, total number of frame in video track 238 kKeyExifOffset = 'exof', // int64_t, Exif data offset 239 kKeyExifSize = 'exsz', // int64_t, Exif data size 240 kKeyExifTiffOffset = 'thdr', // int32_t, if > 0, buffer contains exif data block with 241 // tiff hdr at specified offset 242 kKeyXmpOffset = 'xmof', // int64_t, XMP data offset 243 kKeyXmpSize = 'xmsz', // int64_t, XMP data size 244 kKeyPcmBigEndian = 'pcmb', // bool (int32_t) 245 246 // Key for ALAC Magic Cookie 247 kKeyAlacMagicCookie = 'almc', // raw data 248 249 // AC-4 AudioPresentationInfo 250 kKeyAudioPresentationInfo = 'audP', // raw data 251 252 // opaque codec specific data being passed from extractor to codec 253 kKeyOpaqueCSD0 = 'csd0', 254 kKeyOpaqueCSD1 = 'csd1', 255 kKeyOpaqueCSD2 = 'csd2', 256 257 kKeyHapticChannelCount = 'hapC', 258 259 /* MediaRecorder.h, error notifications can represent track ids with 4 bits only. 260 * | track id | reserved | error or info type | 261 * 31 28 16 0 262 */ 263 kKey4BitTrackIds = '4bid', 264 265 // Treat empty track as malformed for MediaRecorder. 266 kKeyEmptyTrackMalFormed = 'nemt', // bool (int32_t) 267 268 kKeyVps = 'sVps', // int32_t, indicates that a buffer has vps. 269 kKeySps = 'sSps', // int32_t, indicates that a buffer has sps. 270 kKeyPps = 'sPps', // int32_t, indicates that a buffer has pps. 271 kKeySelfID = 'sfid', // int32_t, source ID to identify itself on RTP protocol. 272 kKeyPayloadType = 'pTyp', // int32_t, SDP negotiated payload type. 273 kKeyRtpExtMap = 'extm', // int32_t, rtp extension ID for cvo on RTP protocol. 274 kKeyRtpCvoDegrees = 'cvod', // int32_t, rtp cvo degrees as per 3GPP 26.114. 275 kKeyRtpDscp = 'dscp', // int32_t, DSCP(Differentiated services codepoint) of RFC 2474. 276 kKeyRtpEcn = 'sEcn', // int32_t, ECN (Explicit Congestion Notification) of RFC 3168 277 kKeySocketNetwork = 'sNet', // int64_t, socket will be bound to network handle. 278 279 // Slow-motion markers 280 kKeySlowMotionMarkers = 'slmo', // raw data, byte array following spec for 281 // MediaFormat#KEY_SLOW_MOTION_MARKERS 282 283 kKeySampleFileOffset = 'sfof', // int64_t, sample's offset in a media file. 284 kKeyLastSampleIndexInChunk = 'lsic', //int64_t, index of last sample in a chunk. 285 kKeySampleTimeBeforeAppend = 'lsba', // int64_t, timestamp of last sample of a track. 286 287 // DVB component tag 288 kKeyDvbComponentTag = 'copt', // int32_t, component tag for DVB video/audio/subtitle 289 290 // DVB audio description 291 kKeyDvbAudioDescription = 'addt', // bool (int32_t), DVB audio description only defined for 292 // audio component 293 294 // DVB teletext magazine number 295 kKeyDvbTeletextMagazineNumber = 'ttxm', // int32_t, DVB teletext magazine number 296 297 // DVB teletext page number 298 kKeyDvbTeletextPageNumber = 'ttxp', // int32_t, DVB teletext page number 299 }; 300 301 enum { 302 kTypeESDS = 'esds', 303 kTypeAVCC = 'avcc', 304 kTypeHVCC = 'hvcc', 305 kTypeAV1C = 'av1c', 306 kTypeDVCC = 'dvcc', 307 kTypeDVVC = 'dvvc', 308 kTypeDVWC = 'dvwc', 309 kTypeD263 = 'd263', 310 kTypeHCOS = 'hcos', 311 }; 312 313 enum { 314 kCryptoModeUnencrypted = 0, 315 kCryptoModeAesCtr = 1, 316 kCryptoModeAesCbc = 2, 317 }; 318 319 class Parcel; 320 321 class MetaDataBase { 322 public: 323 MetaDataBase(); 324 MetaDataBase(const MetaDataBase &from); 325 MetaDataBase& operator = (const MetaDataBase &); 326 327 virtual ~MetaDataBase(); 328 329 enum Type { 330 TYPE_NONE = 'none', 331 TYPE_C_STRING = 'cstr', 332 TYPE_INT32 = 'in32', 333 TYPE_INT64 = 'in64', 334 TYPE_FLOAT = 'floa', 335 TYPE_POINTER = 'ptr ', 336 TYPE_RECT = 'rect', 337 }; 338 339 void clear(); 340 bool remove(uint32_t key); 341 342 bool setCString(uint32_t key, const char *value); 343 bool setInt32(uint32_t key, int32_t value); 344 bool setInt64(uint32_t key, int64_t value); 345 bool setFloat(uint32_t key, float value); 346 bool setPointer(uint32_t key, void *value); 347 348 bool setRect( 349 uint32_t key, 350 int32_t left, int32_t top, 351 int32_t right, int32_t bottom); 352 353 bool findCString(uint32_t key, const char **value) const; 354 bool findInt32(uint32_t key, int32_t *value) const; 355 bool findInt64(uint32_t key, int64_t *value) const; 356 bool findFloat(uint32_t key, float *value) const; 357 bool findPointer(uint32_t key, void **value) const; 358 359 bool findRect( 360 uint32_t key, 361 int32_t *left, int32_t *top, 362 int32_t *right, int32_t *bottom) const; 363 364 bool setData(uint32_t key, uint32_t type, const void *data, size_t size); 365 366 bool findData(uint32_t key, uint32_t *type, 367 const void **data, size_t *size) const; 368 369 bool hasData(uint32_t key) const; 370 371 String8 toString() const; 372 void dumpToLog() const; 373 374 private: 375 friend class BpMediaSource; 376 friend class BnMediaSource; 377 friend class BnMediaExtractor; 378 friend class MetaData; 379 380 struct typed_data; 381 struct Rect; 382 struct MetaDataInternal; 383 MetaDataInternal *mInternalData; 384 #ifndef __ANDROID_VNDK__ 385 status_t writeToParcel(Parcel &parcel); 386 status_t updateFromParcel(const Parcel &parcel); 387 #endif 388 }; 389 390 } // namespace android 391 392 #endif // META_DATA_H_ 393