1 /* 2 ** 3 ** Copyright 2010, The Android Open Source Project. 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #ifndef ANDROID_MEDIAPROFILES_H 19 #define ANDROID_MEDIAPROFILES_H 20 21 #include <utils/threads.h> 22 #include <media/mediarecorder.h> 23 24 namespace android { 25 26 enum camcorder_quality { 27 CAMCORDER_QUALITY_LIST_START = 0, 28 CAMCORDER_QUALITY_LOW = 0, 29 CAMCORDER_QUALITY_HIGH = 1, 30 CAMCORDER_QUALITY_QCIF = 2, 31 CAMCORDER_QUALITY_CIF = 3, 32 CAMCORDER_QUALITY_480P = 4, 33 CAMCORDER_QUALITY_720P = 5, 34 CAMCORDER_QUALITY_1080P = 6, 35 CAMCORDER_QUALITY_QVGA = 7, 36 CAMCORDER_QUALITY_2160P = 8, 37 CAMCORDER_QUALITY_LIST_END = 8, 38 39 CAMCORDER_QUALITY_TIME_LAPSE_LIST_START = 1000, 40 CAMCORDER_QUALITY_TIME_LAPSE_LOW = 1000, 41 CAMCORDER_QUALITY_TIME_LAPSE_HIGH = 1001, 42 CAMCORDER_QUALITY_TIME_LAPSE_QCIF = 1002, 43 CAMCORDER_QUALITY_TIME_LAPSE_CIF = 1003, 44 CAMCORDER_QUALITY_TIME_LAPSE_480P = 1004, 45 CAMCORDER_QUALITY_TIME_LAPSE_720P = 1005, 46 CAMCORDER_QUALITY_TIME_LAPSE_1080P = 1006, 47 CAMCORDER_QUALITY_TIME_LAPSE_QVGA = 1007, 48 CAMCORDER_QUALITY_TIME_LAPSE_2160P = 1008, 49 CAMCORDER_QUALITY_TIME_LAPSE_LIST_END = 1008, 50 51 CAMCORDER_QUALITY_HIGH_SPEED_LIST_START = 2000, 52 CAMCORDER_QUALITY_HIGH_SPEED_LOW = 2000, 53 CAMCORDER_QUALITY_HIGH_SPEED_HIGH = 2001, 54 CAMCORDER_QUALITY_HIGH_SPEED_480P = 2002, 55 CAMCORDER_QUALITY_HIGH_SPEED_720P = 2003, 56 CAMCORDER_QUALITY_HIGH_SPEED_1080P = 2004, 57 CAMCORDER_QUALITY_HIGH_SPEED_2160P = 2005, 58 CAMCORDER_QUALITY_HIGH_SPEED_LIST_END = 2005, 59 }; 60 61 enum video_decoder { 62 VIDEO_DECODER_WMV, 63 }; 64 65 enum audio_decoder { 66 AUDIO_DECODER_WMA, 67 }; 68 69 70 class MediaProfiles 71 { 72 public: 73 74 /* 75 * If property media.settings.xml is not set: 76 * 77 * getInstance() will search through paths listed in xmlFiles. 78 * The search goes through members of xmlFiles in the order that they are 79 * defined, so files at lower indices have higher priority than those at 80 * higher indices. 81 * 82 * TODO: Add runtime validation of xml files. A search should be considered 83 * successful only when validation is successful. 84 */ 85 static constexpr char const * const xmlFiles[] = { 86 "odm/etc/media_profiles_V1_0.xml", 87 "vendor/etc/media_profiles_V1_0.xml", 88 "system/etc/media_profiles.xml" 89 }; 90 91 /** 92 * Returns the singleton instance for subsequence queries or NULL if error. 93 * 94 * If property media.settings.xml is set, getInstance() will attempt to read 95 * from file path in media.settings.xml. Otherwise, getInstance() will 96 * search through the list xmlFiles as described above. 97 * 98 * If the search is unsuccessful, the default instance will be created 99 * instead. 100 * 101 * TODO: After validation is added, getInstance() should handle validation 102 * failure properly. 103 */ 104 static MediaProfiles* getInstance(); 105 106 /** 107 * Returns the value for the given param name for the given camera at 108 * the given quality level, or -1 if error. 109 * 110 * Supported param name are: 111 * duration - the recording duration. 112 * file.format - output file format. see mediarecorder.h for details 113 * vid.codec - video encoder. see mediarecorder.h for details. 114 * aud.codec - audio encoder. see mediarecorder.h for details. 115 * vid.width - video frame width 116 * vid.height - video frame height 117 * vid.fps - video frame rate 118 * vid.bps - video bit rate 119 * aud.bps - audio bit rate 120 * aud.hz - audio sample rate 121 * aud.ch - number of audio channels 122 */ 123 int getCamcorderProfileParamByName(const char *name, int cameraId, 124 camcorder_quality quality) const; 125 126 /** 127 * Returns true if a profile for the given camera at the given quality exists, 128 * or false if not. 129 */ 130 bool hasCamcorderProfile(int cameraId, camcorder_quality quality) const; 131 132 /** 133 * Returns the output file formats supported. 134 */ 135 Vector<output_format> getOutputFileFormats() const; 136 137 /** 138 * Returns the video encoders supported. 139 */ 140 Vector<video_encoder> getVideoEncoders() const; 141 142 /** 143 * Returns the value for the given param name for the given video encoder 144 * returned from getVideoEncoderByIndex or -1 if error. 145 * 146 * Supported param name are: 147 * enc.vid.width.min - min video frame width 148 * enc.vid.width.max - max video frame width 149 * enc.vid.height.min - min video frame height 150 * enc.vid.height.max - max video frame height 151 * enc.vid.bps.min - min bit rate in bits per second 152 * enc.vid.bps.max - max bit rate in bits per second 153 * enc.vid.fps.min - min frame rate in frames per second 154 * enc.vid.fps.max - max frame rate in frames per second 155 */ 156 int getVideoEncoderParamByName(const char *name, video_encoder codec) const; 157 158 /** 159 * Returns the audio encoders supported. 160 */ 161 Vector<audio_encoder> getAudioEncoders() const; 162 163 /** 164 * Returns the value for the given param name for the given audio encoder 165 * returned from getAudioEncoderByIndex or -1 if error. 166 * 167 * Supported param name are: 168 * enc.aud.ch.min - min number of channels 169 * enc.aud.ch.max - max number of channels 170 * enc.aud.bps.min - min bit rate in bits per second 171 * enc.aud.bps.max - max bit rate in bits per second 172 * enc.aud.hz.min - min sample rate in samples per second 173 * enc.aud.hz.max - max sample rate in samples per second 174 */ 175 int getAudioEncoderParamByName(const char *name, audio_encoder codec) const; 176 177 /** 178 * Returns the video decoders supported. 179 */ 180 Vector<video_decoder> getVideoDecoders() const; 181 182 /** 183 * Returns the audio decoders supported. 184 */ 185 Vector<audio_decoder> getAudioDecoders() const; 186 187 /** 188 * Returns the number of image encoding quality levels supported. 189 */ 190 Vector<int> getImageEncodingQualityLevels(int cameraId) const; 191 192 /** 193 * Returns the start time offset (in ms) for the given camera Id. 194 * If the given camera Id does not exist, -1 will be returned. 195 */ 196 int getStartTimeOffsetMs(int cameraId) const; 197 198 private: 199 enum { 200 // Camcorder profiles (high/low) and timelapse profiles (high/low) 201 kNumRequiredProfiles = 4, 202 }; 203 204 MediaProfiles& operator=(const MediaProfiles&); // Don't call me 205 MediaProfiles(const MediaProfiles&); // Don't call me 206 MediaProfiles() {} // Dummy default constructor 207 ~MediaProfiles(); // Don't delete me 208 209 struct VideoCodec { 210 VideoCodec(video_encoder codec, int bitRate, int frameWidth, int frameHeight, int frameRate) 211 : mCodec(codec), 212 mBitRate(bitRate), 213 mFrameWidth(frameWidth), 214 mFrameHeight(frameHeight), 215 mFrameRate(frameRate) {} 216 217 VideoCodec(const VideoCodec& copy) { 218 mCodec = copy.mCodec; 219 mBitRate = copy.mBitRate; 220 mFrameWidth = copy.mFrameWidth; 221 mFrameHeight = copy.mFrameHeight; 222 mFrameRate = copy.mFrameRate; 223 } 224 225 ~VideoCodec() {} 226 227 video_encoder mCodec; 228 int mBitRate; 229 int mFrameWidth; 230 int mFrameHeight; 231 int mFrameRate; 232 }; 233 234 struct AudioCodec { 235 AudioCodec(audio_encoder codec, int bitRate, int sampleRate, int channels) 236 : mCodec(codec), 237 mBitRate(bitRate), 238 mSampleRate(sampleRate), 239 mChannels(channels) {} 240 241 AudioCodec(const AudioCodec& copy) { 242 mCodec = copy.mCodec; 243 mBitRate = copy.mBitRate; 244 mSampleRate = copy.mSampleRate; 245 mChannels = copy.mChannels; 246 } 247 248 ~AudioCodec() {} 249 250 audio_encoder mCodec; 251 int mBitRate; 252 int mSampleRate; 253 int mChannels; 254 }; 255 256 struct CamcorderProfile { 257 CamcorderProfile() 258 : mCameraId(0), 259 mFileFormat(OUTPUT_FORMAT_THREE_GPP), 260 mQuality(CAMCORDER_QUALITY_HIGH), 261 mDuration(0), 262 mVideoCodec(0), 263 mAudioCodec(0) {} 264 265 CamcorderProfile(const CamcorderProfile& copy) { 266 mCameraId = copy.mCameraId; 267 mFileFormat = copy.mFileFormat; 268 mQuality = copy.mQuality; 269 mDuration = copy.mDuration; 270 mVideoCodec = new VideoCodec(*copy.mVideoCodec); 271 mAudioCodec = new AudioCodec(*copy.mAudioCodec); 272 } 273 274 ~CamcorderProfile() { 275 delete mVideoCodec; 276 delete mAudioCodec; 277 } 278 279 int mCameraId; 280 output_format mFileFormat; 281 camcorder_quality mQuality; 282 int mDuration; 283 VideoCodec *mVideoCodec; 284 AudioCodec *mAudioCodec; 285 }; 286 287 struct VideoEncoderCap { 288 // Ugly constructor 289 VideoEncoderCap(video_encoder codec, 290 int minBitRate, int maxBitRate, 291 int minFrameWidth, int maxFrameWidth, 292 int minFrameHeight, int maxFrameHeight, 293 int minFrameRate, int maxFrameRate) 294 : mCodec(codec), 295 mMinBitRate(minBitRate), mMaxBitRate(maxBitRate), 296 mMinFrameWidth(minFrameWidth), mMaxFrameWidth(maxFrameWidth), 297 mMinFrameHeight(minFrameHeight), mMaxFrameHeight(maxFrameHeight), 298 mMinFrameRate(minFrameRate), mMaxFrameRate(maxFrameRate) {} 299 300 ~VideoEncoderCap() {} 301 302 video_encoder mCodec; 303 int mMinBitRate, mMaxBitRate; 304 int mMinFrameWidth, mMaxFrameWidth; 305 int mMinFrameHeight, mMaxFrameHeight; 306 int mMinFrameRate, mMaxFrameRate; 307 }; 308 309 struct AudioEncoderCap { 310 // Ugly constructor 311 AudioEncoderCap(audio_encoder codec, 312 int minBitRate, int maxBitRate, 313 int minSampleRate, int maxSampleRate, 314 int minChannels, int maxChannels) 315 : mCodec(codec), 316 mMinBitRate(minBitRate), mMaxBitRate(maxBitRate), 317 mMinSampleRate(minSampleRate), mMaxSampleRate(maxSampleRate), 318 mMinChannels(minChannels), mMaxChannels(maxChannels) {} 319 320 ~AudioEncoderCap() {} 321 322 audio_encoder mCodec; 323 int mMinBitRate, mMaxBitRate; 324 int mMinSampleRate, mMaxSampleRate; 325 int mMinChannels, mMaxChannels; 326 }; 327 328 struct VideoDecoderCap { 329 VideoDecoderCap(video_decoder codec): mCodec(codec) {} 330 ~VideoDecoderCap() {} 331 332 video_decoder mCodec; 333 }; 334 335 struct AudioDecoderCap { 336 AudioDecoderCap(audio_decoder codec): mCodec(codec) {} 337 ~AudioDecoderCap() {} 338 339 audio_decoder mCodec; 340 }; 341 342 struct NameToTagMap { 343 const char* name; 344 int tag; 345 }; 346 347 struct ImageEncodingQualityLevels { 348 int mCameraId; 349 Vector<int> mLevels; 350 }; 351 352 int getCamcorderProfileIndex(int cameraId, camcorder_quality quality) const; 353 void initRequiredProfileRefs(const Vector<int>& cameraIds); 354 int getRequiredProfileRefIndex(int cameraId); 355 356 // Debug 357 static void logVideoCodec(const VideoCodec& codec); 358 static void logAudioCodec(const AudioCodec& codec); 359 static void logVideoEncoderCap(const VideoEncoderCap& cap); 360 static void logAudioEncoderCap(const AudioEncoderCap& cap); 361 static void logVideoDecoderCap(const VideoDecoderCap& cap); 362 static void logAudioDecoderCap(const AudioDecoderCap& cap); 363 364 // Returns true if xmlFile exists. 365 // TODO: Add runtime validation. 366 static bool checkXmlFile(const char* xmlFile); 367 368 // If the xml configuration file does exist, use the settings 369 // from the xml 370 static MediaProfiles* createInstanceFromXmlFile(const char *xml); 371 static output_format createEncoderOutputFileFormat(const char **atts); 372 static VideoCodec* createVideoCodec(const char **atts, MediaProfiles *profiles); 373 static AudioCodec* createAudioCodec(const char **atts, MediaProfiles *profiles); 374 static AudioDecoderCap* createAudioDecoderCap(const char **atts); 375 static VideoDecoderCap* createVideoDecoderCap(const char **atts); 376 static VideoEncoderCap* createVideoEncoderCap(const char **atts); 377 static AudioEncoderCap* createAudioEncoderCap(const char **atts); 378 379 static CamcorderProfile* createCamcorderProfile( 380 int cameraId, const char **atts, Vector<int>& cameraIds); 381 382 static int getCameraId(const char **atts); 383 384 void addStartTimeOffset(int cameraId, const char **atts); 385 386 ImageEncodingQualityLevels* findImageEncodingQualityLevels(int cameraId) const; 387 void addImageEncodingQualityLevel(int cameraId, const char** atts); 388 389 // Customized element tag handler for parsing the xml configuration file. 390 static void startElementHandler(void *userData, const char *name, const char **atts); 391 392 // If the xml configuration file does not exist, use hard-coded values 393 static MediaProfiles* createDefaultInstance(); 394 395 static CamcorderProfile *createDefaultCamcorderQcifProfile(camcorder_quality quality); 396 static CamcorderProfile *createDefaultCamcorderCifProfile(camcorder_quality quality); 397 static void createDefaultCamcorderLowProfiles( 398 MediaProfiles::CamcorderProfile **lowProfile, 399 MediaProfiles::CamcorderProfile **lowSpecificProfile); 400 static void createDefaultCamcorderHighProfiles( 401 MediaProfiles::CamcorderProfile **highProfile, 402 MediaProfiles::CamcorderProfile **highSpecificProfile); 403 404 static CamcorderProfile *createDefaultCamcorderTimeLapseQcifProfile(camcorder_quality quality); 405 static CamcorderProfile *createDefaultCamcorderTimeLapse480pProfile(camcorder_quality quality); 406 static void createDefaultCamcorderTimeLapseLowProfiles( 407 MediaProfiles::CamcorderProfile **lowTimeLapseProfile, 408 MediaProfiles::CamcorderProfile **lowSpecificTimeLapseProfile); 409 static void createDefaultCamcorderTimeLapseHighProfiles( 410 MediaProfiles::CamcorderProfile **highTimeLapseProfile, 411 MediaProfiles::CamcorderProfile **highSpecificTimeLapseProfile); 412 413 static void createDefaultCamcorderProfiles(MediaProfiles *profiles); 414 static void createDefaultVideoEncoders(MediaProfiles *profiles); 415 static void createDefaultAudioEncoders(MediaProfiles *profiles); 416 static void createDefaultVideoDecoders(MediaProfiles *profiles); 417 static void createDefaultAudioDecoders(MediaProfiles *profiles); 418 static void createDefaultEncoderOutputFileFormats(MediaProfiles *profiles); 419 static void createDefaultImageEncodingQualityLevels(MediaProfiles *profiles); 420 static void createDefaultImageDecodingMaxMemory(MediaProfiles *profiles); 421 422 static VideoEncoderCap* createDefaultH263VideoEncoderCap(); 423 static VideoEncoderCap* createDefaultM4vVideoEncoderCap(); 424 static AudioEncoderCap* createDefaultAmrNBEncoderCap(); 425 426 static int findTagForName(const NameToTagMap *map, size_t nMappings, const char *name); 427 428 /** 429 * Check on existing profiles with the following criteria: 430 * 1. Low quality profile must have the lowest video 431 * resolution product (width x height) 432 * 2. High quality profile must have the highest video 433 * resolution product (width x height) 434 * 435 * and add required low/high quality camcorder/timelapse 436 * profiles if they are not found. This allows to remove 437 * duplicate profile definitions in the media_profiles.xml 438 * file. 439 */ 440 void checkAndAddRequiredProfilesIfNecessary(); 441 442 443 // Mappings from name (for instance, codec name) to enum value 444 static const NameToTagMap sVideoEncoderNameMap[]; 445 static const NameToTagMap sAudioEncoderNameMap[]; 446 static const NameToTagMap sFileFormatMap[]; 447 static const NameToTagMap sVideoDecoderNameMap[]; 448 static const NameToTagMap sAudioDecoderNameMap[]; 449 static const NameToTagMap sCamcorderQualityNameMap[]; 450 451 static bool sIsInitialized; 452 static MediaProfiles *sInstance; 453 static Mutex sLock; 454 int mCurrentCameraId; 455 456 Vector<CamcorderProfile*> mCamcorderProfiles; 457 Vector<AudioEncoderCap*> mAudioEncoders; 458 Vector<VideoEncoderCap*> mVideoEncoders; 459 Vector<AudioDecoderCap*> mAudioDecoders; 460 Vector<VideoDecoderCap*> mVideoDecoders; 461 Vector<output_format> mEncoderOutputFileFormats; 462 Vector<ImageEncodingQualityLevels *> mImageEncodingQualityLevels; 463 KeyedVector<int, int> mStartTimeOffsets; 464 465 typedef struct { 466 bool mHasRefProfile; // Refers to an existing profile 467 int mRefProfileIndex; // Reference profile index 468 int mResolutionProduct; // width x height 469 } RequiredProfileRefInfo; // Required low and high profiles 470 471 typedef struct { 472 RequiredProfileRefInfo mRefs[kNumRequiredProfiles]; 473 int mCameraId; 474 } RequiredProfiles; 475 476 RequiredProfiles *mRequiredProfileRefs; 477 Vector<int> mCameraIds; 478 }; 479 480 }; // namespace android 481 482 #endif // ANDROID_MEDIAPROFILES_H 483
