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