MetaData.h revision f69e53033f23f9f70fcdb28a3c2e650de0147459
15a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt/* 25a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt * Copyright (C) 2009 The Android Open Source Project 35a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt * 45a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt * Licensed under the Apache License, Version 2.0 (the "License"); 55a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt * you may not use this file except in compliance with the License. 65a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt * You may obtain a copy of the License at 75a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt * 85a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt * http://www.apache.org/licenses/LICENSE-2.0 95a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt * 105a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt * Unless required by applicable law or agreed to in writing, software 115a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt * distributed under the License is distributed on an "AS IS" BASIS, 125a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt * See the License for the specific language governing permissions and 145a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt * limitations under the License. 155a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt */ 165a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 175a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt#ifndef META_DATA_H_ 185a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 195a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt#define META_DATA_H_ 205a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 215a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt#include <sys/types.h> 225a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 235a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt#include <stdint.h> 245a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 255a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt#include <utils/RefBase.h> 265a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt#include <utils/KeyedVector.h> 275a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt#include <utils/String8.h> 285a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 295a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidtnamespace android { 305a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 315a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt// The following keys map to int32_t data unless indicated otherwise. 325a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidtenum { 335a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyMIMEType = 'mime', // cstring 345a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyWidth = 'widt', // int32_t, image pixel 355a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyHeight = 'heig', // int32_t, image pixel 365a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyDisplayWidth = 'dWid', // int32_t, display/presentation 375a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyDisplayHeight = 'dHgt', // int32_t, display/presentation 385a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 395a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // a rectangle, if absent assumed to be (0, 0, width - 1, height - 1) 405a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyCropRect = 'crop', 415a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 425a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyRotation = 'rotA', // int32_t (angle in degrees) 435a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyIFramesInterval = 'ifiv', // int32_t 445a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyStride = 'strd', // int32_t 455a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeySliceHeight = 'slht', // int32_t 465a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyChannelCount = '#chn', // int32_t 475a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyChannelMask = 'chnm', // int32_t 485a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeySampleRate = 'srte', // int32_t (audio sampling rate Hz) 495a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyFrameRate = 'frmR', // int32_t (video frame rate fps) 505a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyBitRate = 'brte', // int32_t (bps) 515a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyESDS = 'esds', // raw data 525a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyAVCC = 'avcc', // raw data 535a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyD263 = 'd263', // raw data 545a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyVorbisInfo = 'vinf', // raw data 555a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyVorbisBooks = 'vboo', // raw data 565a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyWantsNALFragments = 'NALf', 575a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyIsSyncFrame = 'sync', // int32_t (bool) 585a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyIsCodecConfig = 'conf', // int32_t (bool) 595a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyTime = 'time', // int64_t (usecs) 605a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyDecodingTime = 'decT', // int64_t (decoding timestamp in usecs) 615a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyNTPTime = 'ntpT', // uint64_t (ntp-timestamp) 625a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyTargetTime = 'tarT', // int64_t (usecs) 635a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyDriftTime = 'dftT', // int64_t (usecs) 645a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyAnchorTime = 'ancT', // int64_t (usecs) 655a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyDuration = 'dura', // int64_t (usecs) 665a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyColorFormat = 'colf', 675a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyPlatformPrivate = 'priv', // pointer 685a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyDecoderComponent = 'decC', // cstring 695a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyBufferID = 'bfID', 705a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyMaxInputSize = 'inpS', 715a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyThumbnailTime = 'thbT', // int64_t (usecs) 725a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyTrackID = 'trID', 735a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyIsDRM = 'idrm', // int32_t (bool) 745a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyEncoderDelay = 'encd', // int32_t (frames) 755a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyEncoderPadding = 'encp', // int32_t (frames) 765a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 775a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyAlbum = 'albu', // cstring 785a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyArtist = 'arti', // cstring 795a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyAlbumArtist = 'aart', // cstring 805a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyComposer = 'comp', // cstring 815a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyGenre = 'genr', // cstring 825a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyTitle = 'titl', // cstring 835a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyYear = 'year', // cstring 845a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyAlbumArt = 'albA', // compressed image data 855a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyAlbumArtMIME = 'alAM', // cstring 865a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyAuthor = 'auth', // cstring 875a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyCDTrackNumber = 'cdtr', // cstring 885a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyDiscNumber = 'dnum', // cstring 895a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyDate = 'date', // cstring 905a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyWriter = 'writ', // cstring 915a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyCompilation = 'cpil', // cstring 925a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyLocation = 'loc ', // cstring 935a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyTimeScale = 'tmsl', // int32_t 945a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 955a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // video profile and level 965a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyVideoProfile = 'vprf', // int32_t 975a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyVideoLevel = 'vlev', // int32_t 985a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 995a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // Set this key to enable authoring files in 64-bit offset 1005a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKey64BitFileOffset = 'fobt', // int32_t (bool) 1015a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKey2ByteNalLength = '2NAL', // int32_t (bool) 1025a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1035a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // Identify the file output format for authoring 1045a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // Please see <media/mediarecorder.h> for the supported 1055a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // file output formats. 1065a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyFileType = 'ftyp', // int32_t 1075a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1085a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // Track authoring progress status 1095a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // kKeyTrackTimeStatus is used to track progress in elapsed time 1105a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyTrackTimeStatus = 'tktm', // int64_t 1115a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1125a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyNotRealTime = 'ntrt', // bool (int32_t) 1135a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1145a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // Ogg files can be tagged to be automatically looping... 1155a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyAutoLoop = 'autL', // bool (int32_t) 1165a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1175a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyValidSamples = 'valD', // int32_t 1185a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1195a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyIsUnreadable = 'unre', // bool (int32_t) 1205a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1215a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // An indication that a video buffer has been rendered. 1225a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyRendered = 'rend', // bool (int32_t) 1235a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1245a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // The language code for this media 1255a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyMediaLanguage = 'lang', // cstring 1265a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1275a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // To store the timed text format data 1285a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyTextFormatData = 'text', // raw data 1295a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1305a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyRequiresSecureBuffers = 'secu', // bool (int32_t) 1315a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1325a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyIsADTS = 'adts', // bool (int32_t) 1335a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1345a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // If a MediaBuffer's data represents (at least partially) encrypted 1355a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // data, the following fields aid in decryption. 1365a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // The data can be thought of as pairs of plain and encrypted data 1375a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // fragments, i.e. plain and encrypted data alternate. 1385a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // The first fragment is by convention plain data (if that's not the 1395a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // case, simply specify plain fragment size of 0). 1405a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // kKeyEncryptedSizes and kKeyPlainSizes each map to an array of 1415a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // size_t values. The sum total of all size_t values of both arrays 1425a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // must equal the amount of data (i.e. MediaBuffer's range_length()). 1435a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // If both arrays are present, they must be of the same size. 1445a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // If only encrypted sizes are present it is assumed that all 1455a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // plain sizes are 0, i.e. all fragments are encrypted. 1465a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // To programmatically set these array, use the MetaData::setData API, i.e. 1475a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // const size_t encSizes[]; 1485a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // meta->setData( 1495a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // kKeyEncryptedSizes, 0 /* type */, encSizes, sizeof(encSizes)); 1505a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // A plain sizes array by itself makes no sense. 1515a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyEncryptedSizes = 'encr', // size_t[] 1525a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyPlainSizes = 'plai', // size_t[] 1535a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyCryptoKey = 'cryK', // uint8_t[16] 1545a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyCryptoIV = 'cryI', // uint8_t[16] 1555a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kKeyCryptoMode = 'cryM', // int32_t 1565a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt}; 1575a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1585a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidtenum { 1595a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kTypeESDS = 'esds', 1605a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kTypeAVCC = 'avcc', 1615a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt kTypeD263 = 'd263', 1625a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt}; 1635a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1645a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidtclass MetaData : public RefBase { 1655a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidtpublic: 1665a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt MetaData(); 1675a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt MetaData(const MetaData &from); 1685a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1695a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt enum Type { 1705a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt TYPE_NONE = 'none', 1715a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt TYPE_C_STRING = 'cstr', 1725a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt TYPE_INT32 = 'in32', 1735a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt TYPE_INT64 = 'in64', 1745a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt TYPE_FLOAT = 'floa', 1755a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt TYPE_POINTER = 'ptr ', 1765a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt TYPE_RECT = 'rect', 1775a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt }; 1785a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1795a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt void clear(); 1805a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool remove(uint32_t key); 1815a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1825a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool setCString(uint32_t key, const char *value); 1835a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool setInt32(uint32_t key, int32_t value); 1845a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool setInt64(uint32_t key, int64_t value); 1855a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool setFloat(uint32_t key, float value); 1865a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool setPointer(uint32_t key, void *value); 1875a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1885a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool setRect( 1895a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt uint32_t key, 1905a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt int32_t left, int32_t top, 1915a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt int32_t right, int32_t bottom); 1925a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1935a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool findCString(uint32_t key, const char **value); 1945a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool findInt32(uint32_t key, int32_t *value); 1955a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool findInt64(uint32_t key, int64_t *value); 1965a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool findFloat(uint32_t key, float *value); 1975a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool findPointer(uint32_t key, void **value); 1985a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 1995a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool findRect( 2005a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt uint32_t key, 2015a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt int32_t *left, int32_t *top, 2025a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt int32_t *right, int32_t *bottom); 2035a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2045a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool setData(uint32_t key, uint32_t type, const void *data, size_t size); 2055a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2065a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool findData(uint32_t key, uint32_t *type, 2075a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt const void **data, size_t *size) const; 2085a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2095a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt void dumpToLog() const; 2105a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2115a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidtprotected: 2125a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt virtual ~MetaData(); 2135a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2145a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidtprivate: 2155a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt struct typed_data { 2165a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt typed_data(); 2175a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt ~typed_data(); 2185a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2195a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt typed_data(const MetaData::typed_data &); 2205a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt typed_data &operator=(const MetaData::typed_data &); 2215a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2225a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt void clear(); 2235a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt void setData(uint32_t type, const void *data, size_t size); 2245a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt void getData(uint32_t *type, const void **data, size_t *size) const; 2255a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt String8 asString() const; 2265a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2275a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt private: 2285a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt uint32_t mType; 2295a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt size_t mSize; 2305a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2315a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt union { 2325a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt void *ext_data; 2335a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt float reservoir; 2345a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt } u; 2355a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2365a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt bool usesReservoir() const { 2375a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt return mSize <= sizeof(u.reservoir); 2385a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt } 2395a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2405a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt void allocateStorage(size_t size); 2415a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt void freeStorage(); 2425a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2435a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt void *storage() { 2445a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt return usesReservoir() ? &u.reservoir : u.ext_data; 2455a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt } 2465a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2475a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt const void *storage() const { 2485a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt return usesReservoir() ? &u.reservoir : u.ext_data; 2495a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt } 2505a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt }; 2515a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2525a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt struct Rect { 2535a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt int32_t mLeft, mTop, mRight, mBottom; 2545a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt }; 2555a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2565a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt KeyedVector<uint32_t, typed_data> mItems; 2575a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2585a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt // MetaData &operator=(const MetaData &); 2595a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt}; 2605a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2615a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt} // namespace android 2625a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt 2635a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt#endif // META_DATA_H_ 2645a1480c7c46c4236d93bfd303dde32062bee04acDmitry Shmidt