IEngine.c revision ca39f4b4dbeb920a5b97bd65be73f2f7cac77431
1/* 2 * Copyright (C) 2010 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/* Engine implementation */ 18 19#include "sles_allinclusive.h" 20 21#include <hardware/audio.h> 22 23static SLresult IEngine_CreateLEDDevice(SLEngineItf self, SLObjectItf *pDevice, SLuint32 deviceID, 24 SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 25{ 26 SL_ENTER_INTERFACE 27 28#if USE_PROFILES & USE_PROFILES_OPTIONAL 29 if ((NULL == pDevice) || (SL_DEFAULTDEVICEID_LED != deviceID)) { 30 result = SL_RESULT_PARAMETER_INVALID; 31 } else { 32 *pDevice = NULL; 33 unsigned exposedMask; 34 const ClassTable *pCLEDDevice_class = objectIDtoClass(SL_OBJECTID_LEDDEVICE); 35 if (NULL == pCLEDDevice_class) { 36 result = SL_RESULT_FEATURE_UNSUPPORTED; 37 } else { 38 result = checkInterfaces(pCLEDDevice_class, numInterfaces, pInterfaceIds, 39 pInterfaceRequired, &exposedMask); 40 } 41 if (SL_RESULT_SUCCESS == result) { 42 CLEDDevice *thiz = (CLEDDevice *) construct(pCLEDDevice_class, exposedMask, self); 43 if (NULL == thiz) { 44 result = SL_RESULT_MEMORY_FAILURE; 45 } else { 46 thiz->mDeviceID = deviceID; 47 IObject_Publish(&thiz->mObject); 48 // return the new LED object 49 *pDevice = &thiz->mObject.mItf; 50 } 51 } 52 } 53#else 54 result = SL_RESULT_FEATURE_UNSUPPORTED; 55#endif 56 57 SL_LEAVE_INTERFACE 58} 59 60 61static SLresult IEngine_CreateVibraDevice(SLEngineItf self, SLObjectItf *pDevice, SLuint32 deviceID, 62 SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 63{ 64 SL_ENTER_INTERFACE 65 66#if USE_PROFILES & USE_PROFILES_OPTIONAL 67 if ((NULL == pDevice) || (SL_DEFAULTDEVICEID_VIBRA != deviceID)) { 68 result = SL_RESULT_PARAMETER_INVALID; 69 } else { 70 *pDevice = NULL; 71 unsigned exposedMask; 72 const ClassTable *pCVibraDevice_class = objectIDtoClass(SL_OBJECTID_VIBRADEVICE); 73 if (NULL == pCVibraDevice_class) { 74 result = SL_RESULT_FEATURE_UNSUPPORTED; 75 } else { 76 result = checkInterfaces(pCVibraDevice_class, numInterfaces, 77 pInterfaceIds, pInterfaceRequired, &exposedMask); 78 } 79 if (SL_RESULT_SUCCESS == result) { 80 CVibraDevice *thiz = (CVibraDevice *) construct(pCVibraDevice_class, exposedMask, self); 81 if (NULL == thiz) { 82 result = SL_RESULT_MEMORY_FAILURE; 83 } else { 84 thiz->mDeviceID = deviceID; 85 IObject_Publish(&thiz->mObject); 86 // return the new vibra object 87 *pDevice = &thiz->mObject.mItf; 88 } 89 } 90 } 91#else 92 result = SL_RESULT_FEATURE_UNSUPPORTED; 93#endif 94 95 SL_LEAVE_INTERFACE 96} 97 98 99static SLresult IEngine_CreateAudioPlayer(SLEngineItf self, SLObjectItf *pPlayer, 100 SLDataSource *pAudioSrc, SLDataSink *pAudioSnk, SLuint32 numInterfaces, 101 const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 102{ 103 SL_ENTER_INTERFACE 104 105 if (NULL == pPlayer) { 106 result = SL_RESULT_PARAMETER_INVALID; 107 } else { 108 *pPlayer = NULL; 109 unsigned exposedMask; 110 const ClassTable *pCAudioPlayer_class = objectIDtoClass(SL_OBJECTID_AUDIOPLAYER); 111 assert(NULL != pCAudioPlayer_class); 112 result = checkInterfaces(pCAudioPlayer_class, numInterfaces, 113 pInterfaceIds, pInterfaceRequired, &exposedMask); 114 if (SL_RESULT_SUCCESS == result) { 115 116 // Construct our new AudioPlayer instance 117 CAudioPlayer *thiz = (CAudioPlayer *) construct(pCAudioPlayer_class, exposedMask, self); 118 if (NULL == thiz) { 119 result = SL_RESULT_MEMORY_FAILURE; 120 } else { 121 122 do { 123 124 // Initialize private fields not associated with an interface 125 126 // Default data source in case of failure in checkDataSource 127 thiz->mDataSource.mLocator.mLocatorType = SL_DATALOCATOR_NULL; 128 thiz->mDataSource.mFormat.mFormatType = SL_DATAFORMAT_NULL; 129 130 // Default data sink in case of failure in checkDataSink 131 thiz->mDataSink.mLocator.mLocatorType = SL_DATALOCATOR_NULL; 132 thiz->mDataSink.mFormat.mFormatType = SL_DATAFORMAT_NULL; 133 134 // Default is no per-channel mute or solo 135 thiz->mMuteMask = 0; 136 thiz->mSoloMask = 0; 137 138 // Will be set soon for PCM buffer queues, or later by platform-specific code 139 // during Realize or Prefetch 140 thiz->mNumChannels = 0; 141 thiz->mSampleRateMilliHz = 0; 142 143 // More default values, in case destructor needs to be called early 144 thiz->mDirectLevel = 0; 145#ifdef USE_OUTPUTMIXEXT 146 thiz->mTrack = NULL; 147 thiz->mGains[0] = 1.0f; 148 thiz->mGains[1] = 1.0f; 149 thiz->mDestroyRequested = SL_BOOLEAN_FALSE; 150#endif 151#ifdef USE_SNDFILE 152 thiz->mSndFile.mPathname = NULL; 153 thiz->mSndFile.mSNDFILE = NULL; 154 memset(&thiz->mSndFile.mSfInfo, 0, sizeof(SF_INFO)); 155 memset(&thiz->mSndFile.mMutex, 0, sizeof(pthread_mutex_t)); 156 thiz->mSndFile.mEOF = SL_BOOLEAN_FALSE; 157 thiz->mSndFile.mWhich = 0; 158 memset(thiz->mSndFile.mBuffer, 0, sizeof(thiz->mSndFile.mBuffer)); 159#endif 160#ifdef ANDROID 161 // extra safe initializations of pointers, in case of incomplete construction 162 thiz->mpLock = NULL; 163 thiz->mAudioTrack = NULL; 164 // placement new (explicit constructor) 165 // FIXME unnecessary once those fields are encapsulated in one class, rather 166 // than a structure 167 (void) new (&thiz->mAudioTrackProtector) 168 android::sp<android::AudioTrackProtector>(); 169 (void) new (&thiz->mAuxEffect) android::sp<android::AudioEffect>(); 170 (void) new (&thiz->mAPlayer) android::sp<android::GenericPlayer>(); 171#endif 172 173 // Check the source and sink parameters against generic constraints, 174 // and make a local copy of all parameters in case other application threads 175 // change memory concurrently. 176 177 result = checkDataSource("pAudioSrc", pAudioSrc, &thiz->mDataSource, 178 DATALOCATOR_MASK_URI | DATALOCATOR_MASK_ADDRESS | 179 DATALOCATOR_MASK_BUFFERQUEUE 180#ifdef ANDROID 181 | DATALOCATOR_MASK_ANDROIDFD | DATALOCATOR_MASK_ANDROIDSIMPLEBUFFERQUEUE 182 | DATALOCATOR_MASK_ANDROIDBUFFERQUEUE 183#endif 184 , DATAFORMAT_MASK_MIME | DATAFORMAT_MASK_PCM); 185 186 if (SL_RESULT_SUCCESS != result) { 187 break; 188 } 189 190 result = checkDataSink("pAudioSnk", pAudioSnk, &thiz->mDataSink, 191 DATALOCATOR_MASK_OUTPUTMIX // for playback 192#ifdef ANDROID 193 | DATALOCATOR_MASK_ANDROIDSIMPLEBUFFERQUEUE // for decode to a BQ 194 | DATALOCATOR_MASK_BUFFERQUEUE // for decode to a BQ 195#endif 196 , DATAFORMAT_MASK_NULL 197#ifdef ANDROID 198 | DATAFORMAT_MASK_PCM // for decode to PCM 199#endif 200 ); 201 if (SL_RESULT_SUCCESS != result) { 202 break; 203 } 204 205 // It would be unsafe to ever refer to the application pointers again 206 pAudioSrc = NULL; 207 pAudioSnk = NULL; 208 209 // Check that the requested interfaces are compatible with the data source 210 result = checkSourceFormatVsInterfacesCompatibility(&thiz->mDataSource, 211 pCAudioPlayer_class, exposedMask); 212 if (SL_RESULT_SUCCESS != result) { 213 break; 214 } 215 216 // copy the buffer queue count from source locator (for playback) / from the 217 // sink locator (for decode on ANDROID build) to the buffer queue interface 218 // we have already range-checked the value down to a smaller width 219 SLuint16 nbBuffers = 0; 220 bool usesAdvancedBufferHeaders = false; 221 switch (thiz->mDataSource.mLocator.mLocatorType) { 222 case SL_DATALOCATOR_BUFFERQUEUE: 223#ifdef ANDROID 224 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 225#endif 226 nbBuffers = (SLuint16) thiz->mDataSource.mLocator.mBufferQueue.numBuffers; 227 assert(SL_DATAFORMAT_PCM == thiz->mDataSource.mFormat.mFormatType); 228 thiz->mNumChannels = thiz->mDataSource.mFormat.mPCM.numChannels; 229 thiz->mSampleRateMilliHz = thiz->mDataSource.mFormat.mPCM.samplesPerSec; 230 break; 231#ifdef ANDROID 232 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 233 nbBuffers = (SLuint16) thiz->mDataSource.mLocator.mABQ.numBuffers; 234 usesAdvancedBufferHeaders = true; 235 thiz->mAndroidBufferQueue.mNumBuffers = nbBuffers; 236 break; 237#endif 238 default: 239 nbBuffers = 0; 240 break; 241 } 242#ifdef ANDROID 243 switch(thiz->mDataSink.mLocator.mLocatorType) { 244 case SL_DATALOCATOR_BUFFERQUEUE: 245 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 246 nbBuffers = thiz->mDataSink.mLocator.mBufferQueue.numBuffers; 247 assert(SL_DATAFORMAT_PCM == thiz->mDataSink.mFormat.mFormatType); 248 thiz->mNumChannels = thiz->mDataSink.mFormat.mPCM.numChannels; 249 thiz->mSampleRateMilliHz = thiz->mDataSink.mFormat.mPCM.samplesPerSec; 250 break; 251 default: 252 // leave nbBuffers unchanged 253 break; 254 } 255#endif 256 thiz->mBufferQueue.mNumBuffers = nbBuffers; 257 258 // check the audio source and sink parameters against platform support 259#ifdef ANDROID 260 result = android_audioPlayer_checkSourceSink(thiz); 261 if (SL_RESULT_SUCCESS != result) { 262 break; 263 } 264#endif 265 266#ifdef USE_SNDFILE 267 result = SndFile_checkAudioPlayerSourceSink(thiz); 268 if (SL_RESULT_SUCCESS != result) { 269 break; 270 } 271#endif 272 273#ifdef USE_OUTPUTMIXEXT 274 result = IOutputMixExt_checkAudioPlayerSourceSink(thiz); 275 if (SL_RESULT_SUCCESS != result) { 276 break; 277 } 278#endif 279 280 // Allocate memory for buffer queue 281 if (usesAdvancedBufferHeaders) { 282#ifdef ANDROID 283 // locator is SL_DATALOCATOR_ANDROIDBUFFERQUEUE 284 // Avoid possible integer overflow during multiplication; this arbitrary 285 // maximum is big enough to not interfere with real applications, but 286 // small enough to not overflow. 287 if (thiz->mAndroidBufferQueue.mNumBuffers >= 256) { 288 result = SL_RESULT_MEMORY_FAILURE; 289 break; 290 } 291 thiz->mAndroidBufferQueue.mBufferArray = (AdvancedBufferHeader *) 292 malloc( (thiz->mAndroidBufferQueue.mNumBuffers + 1) 293 * sizeof(AdvancedBufferHeader)); 294 if (NULL == thiz->mAndroidBufferQueue.mBufferArray) { 295 result = SL_RESULT_MEMORY_FAILURE; 296 break; 297 } else { 298 299 // initialize ABQ buffer type 300 // assert below has been checked in android_audioPlayer_checkSourceSink 301 assert(SL_DATAFORMAT_MIME == thiz->mDataSource.mFormat.mFormatType); 302 if (SL_CONTAINERTYPE_MPEG_TS == 303 thiz->mDataSource.mFormat.mMIME.containerType) { 304 thiz->mAndroidBufferQueue.mBufferType = kAndroidBufferTypeMpeg2Ts; 305 } else { 306 thiz->mAndroidBufferQueue.mBufferType = kAndroidBufferTypeInvalid; 307 SL_LOGE("Invalid buffer type in Android Buffer Queue"); 308 result = SL_RESULT_CONTENT_UNSUPPORTED; 309 } 310 311 // initialize ABQ memory 312 for (SLuint16 i=0 ; i<(thiz->mAndroidBufferQueue.mNumBuffers + 1) ; 313 i++) { 314 thiz->mAndroidBufferQueue.mBufferArray[i].mDataBuffer = NULL; 315 thiz->mAndroidBufferQueue.mBufferArray[i].mDataSize = 0; 316 thiz->mAndroidBufferQueue.mBufferArray[i].mDataSizeConsumed = 0; 317 thiz->mAndroidBufferQueue.mBufferArray[i].mBufferContext = NULL; 318 thiz->mAndroidBufferQueue.mBufferArray[i].mBufferState = 319 SL_ANDROIDBUFFERQUEUEEVENT_NONE; 320 switch (thiz->mAndroidBufferQueue.mBufferType) { 321 case kAndroidBufferTypeMpeg2Ts: 322 thiz->mAndroidBufferQueue.mBufferArray[i].mItems.mTsCmdData. 323 mTsCmdCode = ANDROID_MP2TSEVENT_NONE; 324 thiz->mAndroidBufferQueue.mBufferArray[i].mItems.mTsCmdData. 325 mPts = 0; 326 break; 327 default: 328 result = SL_RESULT_CONTENT_UNSUPPORTED; 329 break; 330 } 331 } 332 thiz->mAndroidBufferQueue.mFront = 333 thiz->mAndroidBufferQueue.mBufferArray; 334 thiz->mAndroidBufferQueue.mRear = 335 thiz->mAndroidBufferQueue.mBufferArray; 336 } 337#else 338 assert(false); 339#endif 340 } else { 341 // locator is SL_DATALOCATOR_BUFFERQUEUE 342 // or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 343 // inline allocation of circular mArray, up to a typical max 344 if (BUFFER_HEADER_TYPICAL >= thiz->mBufferQueue.mNumBuffers) { 345 thiz->mBufferQueue.mArray = thiz->mBufferQueue.mTypical; 346 } else { 347 // Avoid possible integer overflow during multiplication; this arbitrary 348 // maximum is big enough to not interfere with real applications, but 349 // small enough to not overflow. 350 if (thiz->mBufferQueue.mNumBuffers >= 256) { 351 result = SL_RESULT_MEMORY_FAILURE; 352 break; 353 } 354 thiz->mBufferQueue.mArray = (BufferHeader *) malloc((thiz->mBufferQueue. 355 mNumBuffers + 1) * sizeof(BufferHeader)); 356 if (NULL == thiz->mBufferQueue.mArray) { 357 result = SL_RESULT_MEMORY_FAILURE; 358 break; 359 } 360 } 361 thiz->mBufferQueue.mFront = thiz->mBufferQueue.mArray; 362 thiz->mBufferQueue.mRear = thiz->mBufferQueue.mArray; 363 } 364 365 // used to store the data source of our audio player 366 thiz->mDynamicSource.mDataSource = &thiz->mDataSource.u.mSource; 367 368 // platform-specific initialization 369#ifdef ANDROID 370 android_audioPlayer_create(thiz); 371#endif 372 373 } while (0); 374 375 if (SL_RESULT_SUCCESS != result) { 376 IObject_Destroy(&thiz->mObject.mItf); 377 } else { 378 IObject_Publish(&thiz->mObject); 379 // return the new audio player object 380 *pPlayer = &thiz->mObject.mItf; 381 } 382 383 } 384 } 385 386 } 387 388 SL_LEAVE_INTERFACE 389} 390 391 392static SLresult IEngine_CreateAudioRecorder(SLEngineItf self, SLObjectItf *pRecorder, 393 SLDataSource *pAudioSrc, SLDataSink *pAudioSnk, SLuint32 numInterfaces, 394 const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 395{ 396 SL_ENTER_INTERFACE 397 398#if (USE_PROFILES & USE_PROFILES_OPTIONAL) || defined(ANDROID) 399 if (NULL == pRecorder) { 400 result = SL_RESULT_PARAMETER_INVALID; 401 } else { 402 *pRecorder = NULL; 403 unsigned exposedMask; 404 const ClassTable *pCAudioRecorder_class = objectIDtoClass(SL_OBJECTID_AUDIORECORDER); 405 if (NULL == pCAudioRecorder_class) { 406 result = SL_RESULT_FEATURE_UNSUPPORTED; 407 } else { 408 result = checkInterfaces(pCAudioRecorder_class, numInterfaces, 409 pInterfaceIds, pInterfaceRequired, &exposedMask); 410 } 411 412 if (SL_RESULT_SUCCESS == result) { 413 414 // Construct our new AudioRecorder instance 415 CAudioRecorder *thiz = (CAudioRecorder *) construct(pCAudioRecorder_class, exposedMask, 416 self); 417 if (NULL == thiz) { 418 result = SL_RESULT_MEMORY_FAILURE; 419 } else { 420 421 do { 422 423 // Initialize fields not associated with any interface 424 425 // Default data source in case of failure in checkDataSource 426 thiz->mDataSource.mLocator.mLocatorType = SL_DATALOCATOR_NULL; 427 thiz->mDataSource.mFormat.mFormatType = SL_DATAFORMAT_NULL; 428 429 // Default data sink in case of failure in checkDataSink 430 thiz->mDataSink.mLocator.mLocatorType = SL_DATALOCATOR_NULL; 431 thiz->mDataSink.mFormat.mFormatType = SL_DATAFORMAT_NULL; 432 433 // These fields are set to real values by 434 // android_audioRecorder_checkSourceSinkSupport. Note that the data sink is 435 // always PCM buffer queue, so we know the channel count and sample rate early. 436 thiz->mNumChannels = 0; 437 thiz->mSampleRateMilliHz = 0; 438#ifdef ANDROID 439 thiz->mAudioRecord = NULL; 440 thiz->mRecordSource = AUDIO_SOURCE_DEFAULT; 441#endif 442 443 // Check the source and sink parameters, and make a local copy of all parameters 444 result = checkDataSource("pAudioSrc", pAudioSrc, &thiz->mDataSource, 445 DATALOCATOR_MASK_IODEVICE, DATAFORMAT_MASK_NULL); 446 if (SL_RESULT_SUCCESS != result) { 447 break; 448 } 449 result = checkDataSink("pAudioSnk", pAudioSnk, &thiz->mDataSink, 450 DATALOCATOR_MASK_URI 451#ifdef ANDROID 452 | DATALOCATOR_MASK_ANDROIDSIMPLEBUFFERQUEUE 453#endif 454 , DATAFORMAT_MASK_MIME | DATAFORMAT_MASK_PCM 455 ); 456 if (SL_RESULT_SUCCESS != result) { 457 break; 458 } 459 460 // It would be unsafe to ever refer to the application pointers again 461 pAudioSrc = NULL; 462 pAudioSnk = NULL; 463 464 // check the audio source and sink parameters against platform support 465#ifdef ANDROID 466 result = android_audioRecorder_checkSourceSinkSupport(thiz); 467 if (SL_RESULT_SUCCESS != result) { 468 SL_LOGE("Cannot create AudioRecorder: invalid source or sink"); 469 break; 470 } 471#endif 472 473#ifdef ANDROID 474 // Allocate memory for buffer queue 475 SLuint32 locatorType = thiz->mDataSink.mLocator.mLocatorType; 476 if (locatorType == SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE) { 477 thiz->mBufferQueue.mNumBuffers = 478 thiz->mDataSink.mLocator.mBufferQueue.numBuffers; 479 // inline allocation of circular Buffer Queue mArray, up to a typical max 480 if (BUFFER_HEADER_TYPICAL >= thiz->mBufferQueue.mNumBuffers) { 481 thiz->mBufferQueue.mArray = thiz->mBufferQueue.mTypical; 482 } else { 483 // Avoid possible integer overflow during multiplication; this arbitrary 484 // maximum is big enough to not interfere with real applications, but 485 // small enough to not overflow. 486 if (thiz->mBufferQueue.mNumBuffers >= 256) { 487 result = SL_RESULT_MEMORY_FAILURE; 488 break; 489 } 490 thiz->mBufferQueue.mArray = (BufferHeader *) malloc((thiz->mBufferQueue. 491 mNumBuffers + 1) * sizeof(BufferHeader)); 492 if (NULL == thiz->mBufferQueue.mArray) { 493 result = SL_RESULT_MEMORY_FAILURE; 494 break; 495 } 496 } 497 thiz->mBufferQueue.mFront = thiz->mBufferQueue.mArray; 498 thiz->mBufferQueue.mRear = thiz->mBufferQueue.mArray; 499 } 500#endif 501 502 // platform-specific initialization 503#ifdef ANDROID 504 android_audioRecorder_create(thiz); 505#endif 506 507 } while (0); 508 509 if (SL_RESULT_SUCCESS != result) { 510 IObject_Destroy(&thiz->mObject.mItf); 511 } else { 512 IObject_Publish(&thiz->mObject); 513 // return the new audio recorder object 514 *pRecorder = &thiz->mObject.mItf; 515 } 516 } 517 518 } 519 520 } 521#else 522 result = SL_RESULT_FEATURE_UNSUPPORTED; 523#endif 524 525 SL_LEAVE_INTERFACE 526} 527 528 529static SLresult IEngine_CreateMidiPlayer(SLEngineItf self, SLObjectItf *pPlayer, 530 SLDataSource *pMIDISrc, SLDataSource *pBankSrc, SLDataSink *pAudioOutput, 531 SLDataSink *pVibra, SLDataSink *pLEDArray, SLuint32 numInterfaces, 532 const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 533{ 534 SL_ENTER_INTERFACE 535 536#if USE_PROFILES & (USE_PROFILES_GAME | USE_PROFILES_PHONE) 537 if ((NULL == pPlayer) || (NULL == pMIDISrc) || (NULL == pAudioOutput)) { 538 result = SL_RESULT_PARAMETER_INVALID; 539 } else { 540 *pPlayer = NULL; 541 unsigned exposedMask; 542 const ClassTable *pCMidiPlayer_class = objectIDtoClass(SL_OBJECTID_MIDIPLAYER); 543 if (NULL == pCMidiPlayer_class) { 544 result = SL_RESULT_FEATURE_UNSUPPORTED; 545 } else { 546 result = checkInterfaces(pCMidiPlayer_class, numInterfaces, 547 pInterfaceIds, pInterfaceRequired, &exposedMask); 548 } 549 if (SL_RESULT_SUCCESS == result) { 550 CMidiPlayer *thiz = (CMidiPlayer *) construct(pCMidiPlayer_class, exposedMask, self); 551 if (NULL == thiz) { 552 result = SL_RESULT_MEMORY_FAILURE; 553 } else { 554#if 0 555 "pMIDISrc", pMIDISrc, URI | MIDIBUFFERQUEUE, NONE 556 "pBankSrc", pBanksrc, NULL | URI | ADDRESS, NULL 557 "pAudioOutput", pAudioOutput, OUTPUTMIX, NULL 558 "pVibra", pVibra, NULL | IODEVICE, NULL 559 "pLEDArray", pLEDArray, NULL | IODEVICE, NULL 560#endif 561 // a fake value - why not use value from IPlay_init? what does CT check for? 562 thiz->mPlay.mDuration = 0; 563 IObject_Publish(&thiz->mObject); 564 // return the new MIDI player object 565 *pPlayer = &thiz->mObject.mItf; 566 } 567 } 568 } 569#else 570 result = SL_RESULT_FEATURE_UNSUPPORTED; 571#endif 572 573 SL_LEAVE_INTERFACE 574} 575 576 577static SLresult IEngine_CreateListener(SLEngineItf self, SLObjectItf *pListener, 578 SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 579{ 580 SL_ENTER_INTERFACE 581 582#if USE_PROFILES & USE_PROFILES_GAME 583 if (NULL == pListener) { 584 result = SL_RESULT_PARAMETER_INVALID; 585 } else { 586 *pListener = NULL; 587 unsigned exposedMask; 588 const ClassTable *pCListener_class = objectIDtoClass(SL_OBJECTID_LISTENER); 589 if (NULL == pCListener_class) { 590 result = SL_RESULT_FEATURE_UNSUPPORTED; 591 } else { 592 result = checkInterfaces(pCListener_class, numInterfaces, 593 pInterfaceIds, pInterfaceRequired, &exposedMask); 594 } 595 if (SL_RESULT_SUCCESS == result) { 596 CListener *thiz = (CListener *) construct(pCListener_class, exposedMask, self); 597 if (NULL == thiz) { 598 result = SL_RESULT_MEMORY_FAILURE; 599 } else { 600 IObject_Publish(&thiz->mObject); 601 // return the new 3D listener object 602 *pListener = &thiz->mObject.mItf; 603 } 604 } 605 } 606#else 607 result = SL_RESULT_FEATURE_UNSUPPORTED; 608#endif 609 610 SL_LEAVE_INTERFACE 611} 612 613 614static SLresult IEngine_Create3DGroup(SLEngineItf self, SLObjectItf *pGroup, SLuint32 numInterfaces, 615 const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 616{ 617 SL_ENTER_INTERFACE 618 619#if USE_PROFILES & USE_PROFILES_GAME 620 if (NULL == pGroup) { 621 result = SL_RESULT_PARAMETER_INVALID; 622 } else { 623 *pGroup = NULL; 624 unsigned exposedMask; 625 const ClassTable *pC3DGroup_class = objectIDtoClass(SL_OBJECTID_3DGROUP); 626 if (NULL == pC3DGroup_class) { 627 result = SL_RESULT_FEATURE_UNSUPPORTED; 628 } else { 629 result = checkInterfaces(pC3DGroup_class, numInterfaces, 630 pInterfaceIds, pInterfaceRequired, &exposedMask); 631 } 632 if (SL_RESULT_SUCCESS == result) { 633 C3DGroup *thiz = (C3DGroup *) construct(pC3DGroup_class, exposedMask, self); 634 if (NULL == thiz) { 635 result = SL_RESULT_MEMORY_FAILURE; 636 } else { 637 thiz->mMemberMask = 0; 638 IObject_Publish(&thiz->mObject); 639 // return the new 3D group object 640 *pGroup = &thiz->mObject.mItf; 641 } 642 } 643 } 644#else 645 result = SL_RESULT_FEATURE_UNSUPPORTED; 646#endif 647 648 SL_LEAVE_INTERFACE 649} 650 651 652static SLresult IEngine_CreateOutputMix(SLEngineItf self, SLObjectItf *pMix, SLuint32 numInterfaces, 653 const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 654{ 655 SL_ENTER_INTERFACE 656 657 if (NULL == pMix) { 658 result = SL_RESULT_PARAMETER_INVALID; 659 } else { 660 *pMix = NULL; 661 unsigned exposedMask; 662 const ClassTable *pCOutputMix_class = objectIDtoClass(SL_OBJECTID_OUTPUTMIX); 663 assert(NULL != pCOutputMix_class); 664 result = checkInterfaces(pCOutputMix_class, numInterfaces, 665 pInterfaceIds, pInterfaceRequired, &exposedMask); 666 if (SL_RESULT_SUCCESS == result) { 667 COutputMix *thiz = (COutputMix *) construct(pCOutputMix_class, exposedMask, self); 668 if (NULL == thiz) { 669 result = SL_RESULT_MEMORY_FAILURE; 670 } else { 671#ifdef ANDROID 672 android_outputMix_create(thiz); 673#endif 674#ifdef USE_SDL 675 IEngine *thisEngine = &thiz->mObject.mEngine->mEngine; 676 interface_lock_exclusive(thisEngine); 677 bool unpause = false; 678 if (NULL == thisEngine->mOutputMix) { 679 thisEngine->mOutputMix = thiz; 680 unpause = true; 681 } 682 interface_unlock_exclusive(thisEngine); 683#endif 684 IObject_Publish(&thiz->mObject); 685#ifdef USE_SDL 686 if (unpause) { 687 // Enable SDL_callback to be called periodically by SDL's internal thread 688 SDL_PauseAudio(0); 689 } 690#endif 691 // return the new output mix object 692 *pMix = &thiz->mObject.mItf; 693 } 694 } 695 } 696 697 SL_LEAVE_INTERFACE 698} 699 700 701static SLresult IEngine_CreateMetadataExtractor(SLEngineItf self, SLObjectItf *pMetadataExtractor, 702 SLDataSource *pDataSource, SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 703 const SLboolean *pInterfaceRequired) 704{ 705 SL_ENTER_INTERFACE 706 707#if USE_PROFILES & (USE_PROFILES_GAME | USE_PROFILES_MUSIC) 708 if (NULL == pMetadataExtractor) { 709 result = SL_RESULT_PARAMETER_INVALID; 710 } else { 711 *pMetadataExtractor = NULL; 712 unsigned exposedMask; 713 const ClassTable *pCMetadataExtractor_class = 714 objectIDtoClass(SL_OBJECTID_METADATAEXTRACTOR); 715 if (NULL == pCMetadataExtractor_class) { 716 result = SL_RESULT_FEATURE_UNSUPPORTED; 717 } else { 718 result = checkInterfaces(pCMetadataExtractor_class, numInterfaces, 719 pInterfaceIds, pInterfaceRequired, &exposedMask); 720 } 721 if (SL_RESULT_SUCCESS == result) { 722 CMetadataExtractor *thiz = (CMetadataExtractor *) 723 construct(pCMetadataExtractor_class, exposedMask, self); 724 if (NULL == thiz) { 725 result = SL_RESULT_MEMORY_FAILURE; 726 } else { 727#if 0 728 "pDataSource", pDataSource, NONE, NONE 729#endif 730 IObject_Publish(&thiz->mObject); 731 // return the new metadata extractor object 732 *pMetadataExtractor = &thiz->mObject.mItf; 733 result = SL_RESULT_SUCCESS; 734 } 735 } 736 } 737#else 738 result = SL_RESULT_FEATURE_UNSUPPORTED; 739#endif 740 741 SL_LEAVE_INTERFACE 742} 743 744 745static SLresult IEngine_CreateExtensionObject(SLEngineItf self, SLObjectItf *pObject, 746 void *pParameters, SLuint32 objectID, SLuint32 numInterfaces, 747 const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 748{ 749 SL_ENTER_INTERFACE 750 751 if (NULL == pObject) { 752 result = SL_RESULT_PARAMETER_INVALID; 753 } else { 754 *pObject = NULL; 755 result = SL_RESULT_FEATURE_UNSUPPORTED; 756 } 757 758 SL_LEAVE_INTERFACE 759} 760 761 762static SLresult IEngine_QueryNumSupportedInterfaces(SLEngineItf self, 763 SLuint32 objectID, SLuint32 *pNumSupportedInterfaces) 764{ 765 SL_ENTER_INTERFACE 766 767 if (NULL == pNumSupportedInterfaces) { 768 result = SL_RESULT_PARAMETER_INVALID; 769 } else { 770 const ClassTable *clazz = objectIDtoClass(objectID); 771 if (NULL == clazz) { 772 result = SL_RESULT_FEATURE_UNSUPPORTED; 773 } else { 774 SLuint32 count = 0; 775 SLuint32 i; 776 for (i = 0; i < clazz->mInterfaceCount; ++i) { 777 switch (clazz->mInterfaces[i].mInterface) { 778 case INTERFACE_IMPLICIT: 779 case INTERFACE_IMPLICIT_PREREALIZE: 780 case INTERFACE_EXPLICIT: 781 case INTERFACE_EXPLICIT_PREREALIZE: 782 case INTERFACE_DYNAMIC: 783 ++count; 784 break; 785 case INTERFACE_UNAVAILABLE: 786 break; 787 default: 788 assert(false); 789 break; 790 } 791 } 792 *pNumSupportedInterfaces = count; 793 result = SL_RESULT_SUCCESS; 794 } 795 } 796 797 SL_LEAVE_INTERFACE; 798} 799 800 801static SLresult IEngine_QuerySupportedInterfaces(SLEngineItf self, 802 SLuint32 objectID, SLuint32 index, SLInterfaceID *pInterfaceId) 803{ 804 SL_ENTER_INTERFACE 805 806 if (NULL == pInterfaceId) { 807 result = SL_RESULT_PARAMETER_INVALID; 808 } else { 809 *pInterfaceId = NULL; 810 const ClassTable *clazz = objectIDtoClass(objectID); 811 if (NULL == clazz) { 812 result = SL_RESULT_FEATURE_UNSUPPORTED; 813 } else { 814 result = SL_RESULT_PARAMETER_INVALID; // will be reset later 815 SLuint32 i; 816 for (i = 0; i < clazz->mInterfaceCount; ++i) { 817 switch (clazz->mInterfaces[i].mInterface) { 818 case INTERFACE_IMPLICIT: 819 case INTERFACE_IMPLICIT_PREREALIZE: 820 case INTERFACE_EXPLICIT: 821 case INTERFACE_EXPLICIT_PREREALIZE: 822 case INTERFACE_DYNAMIC: 823 break; 824 case INTERFACE_UNAVAILABLE: 825 continue; 826 default: 827 assert(false); 828 break; 829 } 830 if (index == 0) { 831 *pInterfaceId = &SL_IID_array[clazz->mInterfaces[i].mMPH]; 832 result = SL_RESULT_SUCCESS; 833 break; 834 } 835 --index; 836 } 837 } 838 } 839 840 SL_LEAVE_INTERFACE 841}; 842 843 844static const char * const extensionNames[] = { 845#ifdef ANDROID 846 "ANDROID_SDK_LEVEL_12", // Android 3.0+ aka "Honeycomb MR1" 847#else 848 "WILHELM_DESKTOP", 849#endif 850}; 851 852 853static SLresult IEngine_QueryNumSupportedExtensions(SLEngineItf self, SLuint32 *pNumExtensions) 854{ 855 SL_ENTER_INTERFACE 856 857 if (NULL == pNumExtensions) { 858 result = SL_RESULT_PARAMETER_INVALID; 859 } else { 860 *pNumExtensions = sizeof(extensionNames) / sizeof(extensionNames[0]); 861 result = SL_RESULT_SUCCESS; 862 } 863 864 SL_LEAVE_INTERFACE 865} 866 867 868static SLresult IEngine_QuerySupportedExtension(SLEngineItf self, 869 SLuint32 index, SLchar *pExtensionName, SLint16 *pNameLength) 870{ 871 SL_ENTER_INTERFACE 872 873 if (NULL == pNameLength) { 874 result = SL_RESULT_PARAMETER_INVALID; 875 } else { 876 size_t actualNameLength; 877 unsigned numExtensions = sizeof(extensionNames) / sizeof(extensionNames[0]); 878 if (index >= numExtensions) { 879 actualNameLength = 0; 880 result = SL_RESULT_PARAMETER_INVALID; 881 } else { 882 const char *extensionName = extensionNames[index]; 883 actualNameLength = strlen(extensionName) + 1; 884 if (NULL == pExtensionName) { 885 // application is querying the name length in order to allocate a buffer 886 result = SL_RESULT_SUCCESS; 887 } else { 888 SLint16 availableNameLength = *pNameLength; 889 if (0 >= availableNameLength) { 890 // there is not even room for the terminating NUL 891 result = SL_RESULT_BUFFER_INSUFFICIENT; 892 } else if (actualNameLength > (size_t) availableNameLength) { 893 // "no invalid strings are written. That is, the null-terminator always exists" 894 memcpy(pExtensionName, extensionName, (size_t) availableNameLength - 1); 895 pExtensionName[(size_t) availableNameLength - 1] = '\0'; 896 result = SL_RESULT_BUFFER_INSUFFICIENT; 897 } else { 898 memcpy(pExtensionName, extensionName, actualNameLength); 899 result = SL_RESULT_SUCCESS; 900 } 901 } 902 } 903 *pNameLength = actualNameLength; 904 } 905 906 SL_LEAVE_INTERFACE 907} 908 909 910static SLresult IEngine_IsExtensionSupported(SLEngineItf self, 911 const SLchar *pExtensionName, SLboolean *pSupported) 912{ 913 SL_ENTER_INTERFACE 914 915 if (NULL == pSupported) { 916 result = SL_RESULT_PARAMETER_INVALID; 917 } else { 918 SLboolean isSupported = SL_BOOLEAN_FALSE; 919 if (NULL == pExtensionName) { 920 result = SL_RESULT_PARAMETER_INVALID; 921 } else { 922 unsigned numExtensions = sizeof(extensionNames) / sizeof(extensionNames[0]); 923 unsigned i; 924 for (i = 0; i < numExtensions; ++i) { 925 if (!strcmp((const char *) pExtensionName, extensionNames[i])) { 926 isSupported = SL_BOOLEAN_TRUE; 927 break; 928 } 929 } 930 result = SL_RESULT_SUCCESS; 931 } 932 *pSupported = isSupported; 933 } 934 935 SL_LEAVE_INTERFACE 936} 937 938 939static const struct SLEngineItf_ IEngine_Itf = { 940 IEngine_CreateLEDDevice, 941 IEngine_CreateVibraDevice, 942 IEngine_CreateAudioPlayer, 943 IEngine_CreateAudioRecorder, 944 IEngine_CreateMidiPlayer, 945 IEngine_CreateListener, 946 IEngine_Create3DGroup, 947 IEngine_CreateOutputMix, 948 IEngine_CreateMetadataExtractor, 949 IEngine_CreateExtensionObject, 950 IEngine_QueryNumSupportedInterfaces, 951 IEngine_QuerySupportedInterfaces, 952 IEngine_QueryNumSupportedExtensions, 953 IEngine_QuerySupportedExtension, 954 IEngine_IsExtensionSupported 955}; 956 957void IEngine_init(void *self) 958{ 959 IEngine *thiz = (IEngine *) self; 960 thiz->mItf = &IEngine_Itf; 961 // mLossOfControlGlobal is initialized in slCreateEngine 962#ifdef USE_SDL 963 thiz->mOutputMix = NULL; 964#endif 965 thiz->mInstanceCount = 1; // ourself 966 thiz->mInstanceMask = 0; 967 thiz->mChangedMask = 0; 968 unsigned i; 969 for (i = 0; i < MAX_INSTANCE; ++i) { 970 thiz->mInstances[i] = NULL; 971 } 972 thiz->mShutdown = SL_BOOLEAN_FALSE; 973 thiz->mShutdownAck = SL_BOOLEAN_FALSE; 974} 975 976void IEngine_deinit(void *self) 977{ 978} 979 980 981// OpenMAX AL Engine 982 983 984static XAresult IEngine_CreateCameraDevice(XAEngineItf self, XAObjectItf *pDevice, 985 XAuint32 deviceID, XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 986 const XAboolean *pInterfaceRequired) 987{ 988 XA_ENTER_INTERFACE 989 990 //IXAEngine *thiz = (IXAEngine *) self; 991 result = SL_RESULT_FEATURE_UNSUPPORTED; 992 993 XA_LEAVE_INTERFACE 994} 995 996 997static XAresult IEngine_CreateRadioDevice(XAEngineItf self, XAObjectItf *pDevice, 998 XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 999 const XAboolean *pInterfaceRequired) 1000{ 1001 XA_ENTER_INTERFACE 1002 1003 //IXAEngine *thiz = (IXAEngine *) self; 1004 result = SL_RESULT_FEATURE_UNSUPPORTED; 1005 1006 XA_LEAVE_INTERFACE 1007} 1008 1009 1010static XAresult IXAEngine_CreateLEDDevice(XAEngineItf self, XAObjectItf *pDevice, XAuint32 deviceID, 1011 XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 1012 const XAboolean *pInterfaceRequired) 1013{ 1014 // forward to OpenSL ES 1015 return IEngine_CreateLEDDevice(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1016 (SLObjectItf *) pDevice, deviceID, numInterfaces, (const SLInterfaceID *) pInterfaceIds, 1017 (const SLboolean *) pInterfaceRequired); 1018} 1019 1020 1021static XAresult IXAEngine_CreateVibraDevice(XAEngineItf self, XAObjectItf *pDevice, 1022 XAuint32 deviceID, XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 1023 const XAboolean *pInterfaceRequired) 1024{ 1025 // forward to OpenSL ES 1026 return IEngine_CreateVibraDevice(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1027 (SLObjectItf *) pDevice, deviceID, numInterfaces, (const SLInterfaceID *) pInterfaceIds, 1028 (const SLboolean *) pInterfaceRequired); 1029} 1030 1031 1032static XAresult IEngine_CreateMediaPlayer(XAEngineItf self, XAObjectItf *pPlayer, 1033 XADataSource *pDataSrc, XADataSource *pBankSrc, XADataSink *pAudioSnk, 1034 XADataSink *pImageVideoSnk, XADataSink *pVibra, XADataSink *pLEDArray, 1035 XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 1036 const XAboolean *pInterfaceRequired) 1037{ 1038 XA_ENTER_INTERFACE 1039 1040 if (NULL == pPlayer) { 1041 result = XA_RESULT_PARAMETER_INVALID; 1042 } else { 1043 *pPlayer = NULL; 1044 unsigned exposedMask; 1045 const ClassTable *pCMediaPlayer_class = objectIDtoClass(XA_OBJECTID_MEDIAPLAYER); 1046 assert(NULL != pCMediaPlayer_class); 1047 result = checkInterfaces(pCMediaPlayer_class, numInterfaces, 1048 (const SLInterfaceID *) pInterfaceIds, pInterfaceRequired, &exposedMask); 1049 if (XA_RESULT_SUCCESS == result) { 1050 1051 // Construct our new MediaPlayer instance 1052 CMediaPlayer *thiz = (CMediaPlayer *) construct(pCMediaPlayer_class, exposedMask, 1053 &((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf); 1054 if (NULL == thiz) { 1055 result = XA_RESULT_MEMORY_FAILURE; 1056 } else { 1057 1058 do { 1059 1060 // Initialize private fields not associated with an interface 1061 1062 // Default data source in case of failure in checkDataSource 1063 thiz->mDataSource.mLocator.mLocatorType = SL_DATALOCATOR_NULL; 1064 thiz->mDataSource.mFormat.mFormatType = XA_DATAFORMAT_NULL; 1065 1066 // Default andio and image sink in case of failure in checkDataSink 1067 thiz->mAudioSink.mLocator.mLocatorType = XA_DATALOCATOR_NULL; 1068 thiz->mAudioSink.mFormat.mFormatType = XA_DATAFORMAT_NULL; 1069 thiz->mImageVideoSink.mLocator.mLocatorType = XA_DATALOCATOR_NULL; 1070 thiz->mImageVideoSink.mFormat.mFormatType = XA_DATAFORMAT_NULL; 1071 1072 // More default values, in case destructor needs to be called early 1073 thiz->mDirectLevel = 0; 1074 1075 // (assume calloc or memset 0 during allocation) 1076 // placement new 1077#ifdef ANDROID 1078 // FIXME unnecessary once those fields are encapsulated in one class, rather 1079 // than a structure 1080 (void) new (&thiz->mAVPlayer) android::sp<android::GenericPlayer>(); 1081#endif 1082 1083 // Check the source and sink parameters against generic constraints 1084 1085 result = checkDataSource("pDataSrc", (const SLDataSource *) pDataSrc, 1086 &thiz->mDataSource, DATALOCATOR_MASK_URI 1087#ifdef ANDROID 1088 | DATALOCATOR_MASK_ANDROIDFD 1089 | DATALOCATOR_MASK_ANDROIDBUFFERQUEUE 1090#endif 1091 , DATAFORMAT_MASK_MIME); 1092 if (XA_RESULT_SUCCESS != result) { 1093 break; 1094 } 1095 1096 result = checkDataSource("pBankSrc", (const SLDataSource *) pBankSrc, 1097 &thiz->mBankSource, DATALOCATOR_MASK_NULL | DATALOCATOR_MASK_URI | 1098 DATALOCATOR_MASK_ADDRESS, DATAFORMAT_MASK_NULL); 1099 if (XA_RESULT_SUCCESS != result) { 1100 break; 1101 } 1102 1103 result = checkDataSink("pAudioSnk", (const SLDataSink *) pAudioSnk, 1104 &thiz->mAudioSink, DATALOCATOR_MASK_OUTPUTMIX, DATAFORMAT_MASK_NULL); 1105 if (XA_RESULT_SUCCESS != result) { 1106 break; 1107 } 1108 1109 result = checkDataSink("pImageVideoSnk", (const SLDataSink *) pImageVideoSnk, 1110 &thiz->mImageVideoSink, DATALOCATOR_MASK_NATIVEDISPLAY, 1111 DATAFORMAT_MASK_NULL); 1112 if (XA_RESULT_SUCCESS != result) { 1113 break; 1114 } 1115 1116 result = checkDataSink("pVibra", (const SLDataSink *) pVibra, &thiz->mVibraSink, 1117 DATALOCATOR_MASK_NULL | DATALOCATOR_MASK_IODEVICE, 1118 DATAFORMAT_MASK_NULL); 1119 if (XA_RESULT_SUCCESS != result) { 1120 break; 1121 } 1122 1123 result = checkDataSink("pLEDArray", (const SLDataSink *) pLEDArray, 1124 &thiz->mLEDArraySink, DATALOCATOR_MASK_NULL | DATALOCATOR_MASK_IODEVICE, 1125 DATAFORMAT_MASK_NULL); 1126 if (XA_RESULT_SUCCESS != result) { 1127 break; 1128 } 1129 1130 // Unsafe to ever refer to application pointers again 1131 pDataSrc = NULL; 1132 pBankSrc = NULL; 1133 pAudioSnk = NULL; 1134 pImageVideoSnk = NULL; 1135 pVibra = NULL; 1136 pLEDArray = NULL; 1137 1138 // Check that the requested interfaces are compatible with the data source 1139 // FIXME implement 1140 1141 // check the source and sink parameters against platform support 1142#ifdef ANDROID 1143 result = android_Player_checkSourceSink(thiz); 1144 if (XA_RESULT_SUCCESS != result) { 1145 break; 1146 } 1147#endif 1148 1149#ifdef ANDROID 1150 // AndroidBufferQueue-specific initialization 1151 if (XA_DATALOCATOR_ANDROIDBUFFERQUEUE == 1152 thiz->mDataSource.mLocator.mLocatorType) { 1153 XAuint16 nbBuffers = (XAuint16) thiz->mDataSource.mLocator.mABQ.numBuffers; 1154 1155 // Avoid possible integer overflow during multiplication; this arbitrary 1156 // maximum is big enough to not interfere with real applications, but 1157 // small enough to not overflow. 1158 if (nbBuffers >= 256) { 1159 result = SL_RESULT_MEMORY_FAILURE; 1160 break; 1161 } 1162 1163 // initialize ABQ buffer type 1164 // assert below has been checked in android_audioPlayer_checkSourceSink 1165 assert(XA_DATAFORMAT_MIME == thiz->mDataSource.mFormat.mFormatType); 1166 if (XA_CONTAINERTYPE_MPEG_TS == 1167 thiz->mDataSource.mFormat.mMIME.containerType) { 1168 thiz->mAndroidBufferQueue.mBufferType = kAndroidBufferTypeMpeg2Ts; 1169 1170 // Set the container type for the StreamInformation interface 1171 XAMediaContainerInformation *containerInfo = 1172 (XAMediaContainerInformation*) 1173 // always storing container info at index 0, as per spec 1174 &(thiz->mStreamInfo.mStreamInfoTable.itemAt(0). 1175 containerInfo); 1176 containerInfo->containerType = XA_CONTAINERTYPE_MPEG_TS; 1177 // there are no streams at this stage 1178 containerInfo->numStreams = 0; 1179 1180 } else { 1181 thiz->mAndroidBufferQueue.mBufferType = kAndroidBufferTypeInvalid; 1182 SL_LOGE("Invalid buffer type in Android Buffer Queue"); 1183 result = SL_RESULT_CONTENT_UNSUPPORTED; 1184 } 1185 1186 // initialize ABQ memory 1187 thiz->mAndroidBufferQueue.mBufferArray = (AdvancedBufferHeader *) 1188 malloc( (nbBuffers + 1) * sizeof(AdvancedBufferHeader)); 1189 if (NULL == thiz->mAndroidBufferQueue.mBufferArray) { 1190 result = SL_RESULT_MEMORY_FAILURE; 1191 break; 1192 } else { 1193 for (XAuint16 i=0 ; i<(nbBuffers + 1) ; i++) { 1194 thiz->mAndroidBufferQueue.mBufferArray[i].mDataBuffer = NULL; 1195 thiz->mAndroidBufferQueue.mBufferArray[i].mDataSize = 0; 1196 thiz->mAndroidBufferQueue.mBufferArray[i].mDataSizeConsumed = 0; 1197 thiz->mAndroidBufferQueue.mBufferArray[i].mBufferContext = NULL; 1198 thiz->mAndroidBufferQueue.mBufferArray[i].mBufferState = 1199 XA_ANDROIDBUFFERQUEUEEVENT_NONE; 1200 switch (thiz->mAndroidBufferQueue.mBufferType) { 1201 case kAndroidBufferTypeMpeg2Ts: 1202 thiz->mAndroidBufferQueue.mBufferArray[i].mItems.mTsCmdData. 1203 mTsCmdCode = ANDROID_MP2TSEVENT_NONE; 1204 thiz->mAndroidBufferQueue.mBufferArray[i].mItems.mTsCmdData. 1205 mPts = 0; 1206 break; 1207 default: 1208 result = SL_RESULT_CONTENT_UNSUPPORTED; 1209 break; 1210 } 1211 } 1212 thiz->mAndroidBufferQueue.mFront = 1213 thiz->mAndroidBufferQueue.mBufferArray; 1214 thiz->mAndroidBufferQueue.mRear = 1215 thiz->mAndroidBufferQueue.mBufferArray; 1216 } 1217 1218 thiz->mAndroidBufferQueue.mNumBuffers = nbBuffers; 1219 1220 } 1221#endif 1222 1223 // used to store the data source of our audio player 1224 thiz->mDynamicSource.mDataSource = &thiz->mDataSource.u.mSource; 1225 1226 // platform-specific initialization 1227#ifdef ANDROID 1228 android_Player_create(thiz); 1229#endif 1230 1231 } while (0); 1232 1233 if (XA_RESULT_SUCCESS != result) { 1234 IObject_Destroy(&thiz->mObject.mItf); 1235 } else { 1236 IObject_Publish(&thiz->mObject); 1237 // return the new media player object 1238 *pPlayer = (XAObjectItf) &thiz->mObject.mItf; 1239 } 1240 1241 } 1242 } 1243 1244 } 1245 1246 XA_LEAVE_INTERFACE 1247} 1248 1249 1250static XAresult IEngine_CreateMediaRecorder(XAEngineItf self, XAObjectItf *pRecorder, 1251 XADataSource *pAudioSrc, XADataSource *pImageVideoSrc, 1252 XADataSink *pDataSnk, XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 1253 const XAboolean *pInterfaceRequired) 1254{ 1255 XA_ENTER_INTERFACE 1256 1257 //IXAEngine *thiz = (IXAEngine *) self; 1258 result = SL_RESULT_FEATURE_UNSUPPORTED; 1259 1260#if 0 1261 "pAudioSrc", pAudioSrc, 1262 "pImageVideoSrc", pImageVideoSrc, 1263 "pDataSink", pDataSnk, 1264#endif 1265 1266 XA_LEAVE_INTERFACE 1267} 1268 1269 1270static XAresult IXAEngine_CreateOutputMix(XAEngineItf self, XAObjectItf *pMix, 1271 XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 1272 const XAboolean *pInterfaceRequired) 1273{ 1274 // forward to OpenSL ES 1275 return IEngine_CreateOutputMix(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1276 (SLObjectItf *) pMix, numInterfaces, (const SLInterfaceID *) pInterfaceIds, 1277 (const SLboolean *) pInterfaceRequired); 1278} 1279 1280 1281static XAresult IXAEngine_CreateMetadataExtractor(XAEngineItf self, XAObjectItf *pMetadataExtractor, 1282 XADataSource *pDataSource, XAuint32 numInterfaces, 1283 const XAInterfaceID *pInterfaceIds, const XAboolean *pInterfaceRequired) 1284{ 1285 // forward to OpenSL ES 1286 return IEngine_CreateMetadataExtractor(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1287 (SLObjectItf *) pMetadataExtractor, (SLDataSource *) pDataSource, numInterfaces, 1288 (const SLInterfaceID *) pInterfaceIds, (const SLboolean *) pInterfaceRequired); 1289} 1290 1291 1292static XAresult IXAEngine_CreateExtensionObject(XAEngineItf self, XAObjectItf *pObject, 1293 void *pParameters, XAuint32 objectID, XAuint32 numInterfaces, 1294 const XAInterfaceID *pInterfaceIds, const XAboolean *pInterfaceRequired) 1295{ 1296 // forward to OpenSL ES 1297 return IEngine_CreateExtensionObject(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1298 (SLObjectItf *) pObject, pParameters, objectID, numInterfaces, 1299 (const SLInterfaceID *) pInterfaceIds, (const SLboolean *) pInterfaceRequired); 1300} 1301 1302 1303static XAresult IEngine_GetImplementationInfo(XAEngineItf self, XAuint32 *pMajor, XAuint32 *pMinor, 1304 XAuint32 *pStep, /* XAuint32 nImplementationTextSize, */ const XAchar *pImplementationText) 1305{ 1306 XA_ENTER_INTERFACE 1307 1308 //IXAEngine *thiz = (IXAEngine *) self; 1309 result = SL_RESULT_FEATURE_UNSUPPORTED; 1310 1311 XA_LEAVE_INTERFACE 1312} 1313 1314 1315static XAresult IXAEngine_QuerySupportedProfiles(XAEngineItf self, XAint16 *pProfilesSupported) 1316{ 1317 XA_ENTER_INTERFACE 1318 1319 if (NULL == pProfilesSupported) { 1320 result = XA_RESULT_PARAMETER_INVALID; 1321 } else { 1322#if 1 1323 *pProfilesSupported = 0; 1324 // the code below was copied from OpenSL ES and needs to be adapted for OpenMAX AL. 1325#else 1326 // The generic implementation doesn't implement any of the profiles, they shouldn't be 1327 // declared as supported. Also exclude the fake profiles BASE and OPTIONAL. 1328 *pProfilesSupported = USE_PROFILES & 1329 (USE_PROFILES_GAME | USE_PROFILES_MUSIC | USE_PROFILES_PHONE); 1330#endif 1331 result = XA_RESULT_SUCCESS; 1332 } 1333 1334 XA_LEAVE_INTERFACE 1335} 1336 1337 1338static XAresult IXAEngine_QueryNumSupportedInterfaces(XAEngineItf self, XAuint32 objectID, 1339 XAuint32 *pNumSupportedInterfaces) 1340{ 1341 // forward to OpenSL ES 1342 return IEngine_QueryNumSupportedInterfaces( 1343 &((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, objectID, 1344 pNumSupportedInterfaces); 1345} 1346 1347 1348static XAresult IXAEngine_QuerySupportedInterfaces(XAEngineItf self, XAuint32 objectID, 1349 XAuint32 index, XAInterfaceID *pInterfaceId) 1350{ 1351 // forward to OpenSL ES 1352 return IEngine_QuerySupportedInterfaces( 1353 &((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, objectID, index, 1354 (SLInterfaceID *) pInterfaceId); 1355} 1356 1357 1358static XAresult IXAEngine_QueryNumSupportedExtensions(XAEngineItf self, XAuint32 *pNumExtensions) 1359{ 1360 // forward to OpenSL ES 1361 return IEngine_QueryNumSupportedExtensions( 1362 &((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, pNumExtensions); 1363} 1364 1365 1366static XAresult IXAEngine_QuerySupportedExtension(XAEngineItf self, XAuint32 index, 1367 XAchar *pExtensionName, XAint16 *pNameLength) 1368{ 1369 // forward to OpenSL ES 1370 return IEngine_QuerySupportedExtension(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1371 index, pExtensionName, (SLint16 *) pNameLength); 1372} 1373 1374 1375static XAresult IXAEngine_IsExtensionSupported(XAEngineItf self, const XAchar *pExtensionName, 1376 XAboolean *pSupported) 1377{ 1378 // forward to OpenSL ES 1379 return IEngine_IsExtensionSupported(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1380 pExtensionName, pSupported); 1381} 1382 1383 1384static XAresult IXAEngine_QueryLEDCapabilities(XAEngineItf self, XAuint32 *pIndex, 1385 XAuint32 *pLEDDeviceID, XALEDDescriptor *pDescriptor) 1386{ 1387 // forward to OpenSL ES EngineCapabilities 1388 return (XAresult) IEngineCapabilities_QueryLEDCapabilities( 1389 &((CEngine *) ((IXAEngine *) self)->mThis)->mEngineCapabilities.mItf, pIndex, 1390 pLEDDeviceID, (SLLEDDescriptor *) pDescriptor); 1391} 1392 1393 1394static XAresult IXAEngine_QueryVibraCapabilities(XAEngineItf self, XAuint32 *pIndex, 1395 XAuint32 *pVibraDeviceID, XAVibraDescriptor *pDescriptor) 1396{ 1397 // forward to OpenSL ES EngineCapabilities 1398 return (XAresult) IEngineCapabilities_QueryVibraCapabilities( 1399 &((CEngine *) ((IXAEngine *) self)->mThis)->mEngineCapabilities.mItf, pIndex, 1400 pVibraDeviceID, (SLVibraDescriptor *) pDescriptor); 1401} 1402 1403 1404// OpenMAX AL engine v-table 1405 1406static const struct XAEngineItf_ IXAEngine_Itf = { 1407 IEngine_CreateCameraDevice, 1408 IEngine_CreateRadioDevice, 1409 IXAEngine_CreateLEDDevice, 1410 IXAEngine_CreateVibraDevice, 1411 IEngine_CreateMediaPlayer, 1412 IEngine_CreateMediaRecorder, 1413 IXAEngine_CreateOutputMix, 1414 IXAEngine_CreateMetadataExtractor, 1415 IXAEngine_CreateExtensionObject, 1416 IEngine_GetImplementationInfo, 1417 IXAEngine_QuerySupportedProfiles, 1418 IXAEngine_QueryNumSupportedInterfaces, 1419 IXAEngine_QuerySupportedInterfaces, 1420 IXAEngine_QueryNumSupportedExtensions, 1421 IXAEngine_QuerySupportedExtension, 1422 IXAEngine_IsExtensionSupported, 1423 IXAEngine_QueryLEDCapabilities, 1424 IXAEngine_QueryVibraCapabilities 1425}; 1426 1427 1428void IXAEngine_init(void *self) 1429{ 1430 IXAEngine *thiz = (IXAEngine *) self; 1431 thiz->mItf = &IXAEngine_Itf; 1432} 1433 1434 1435void IXAEngine_deinit(void *self) 1436{ 1437} 1438