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 #include "sles_allinclusive.h" 18 #include "android_prompts.h" 19 #include "android/android_AudioToCbRenderer.h" 20 #include "android/android_StreamPlayer.h" 21 #include "android/android_LocAVPlayer.h" 22 #include "android/include/AacBqToPcmCbRenderer.h" 23 24 #include <fcntl.h> 25 #include <sys/stat.h> 26 27 #include <system/audio.h> 28 29 template class android::KeyedVector<SLuint32, android::AudioEffect* > ; 30 31 #define KEY_STREAM_TYPE_PARAMSIZE sizeof(SLint32) 32 33 #define AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE 500 34 #define AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE 2000 35 36 #define MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE 37 #define MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE 38 39 //----------------------------------------------------------------------------- 40 // FIXME this method will be absorbed into android_audioPlayer_setPlayState() once 41 // bufferqueue and uri/fd playback are moved under the GenericPlayer C++ object 42 SLresult aplayer_setPlayState(const android::sp<android::GenericPlayer> &ap, SLuint32 playState, 43 AndroidObjectState* pObjState) { 44 SLresult result = SL_RESULT_SUCCESS; 45 AndroidObjectState objState = *pObjState; 46 47 switch (playState) { 48 case SL_PLAYSTATE_STOPPED: 49 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_STOPPED"); 50 ap->stop(); 51 break; 52 case SL_PLAYSTATE_PAUSED: 53 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PAUSED"); 54 switch(objState) { 55 case ANDROID_UNINITIALIZED: 56 *pObjState = ANDROID_PREPARING; 57 ap->prepare(); 58 break; 59 case ANDROID_PREPARING: 60 break; 61 case ANDROID_READY: 62 ap->pause(); 63 break; 64 default: 65 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState); 66 result = SL_RESULT_INTERNAL_ERROR; 67 break; 68 } 69 break; 70 case SL_PLAYSTATE_PLAYING: { 71 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PLAYING"); 72 switch(objState) { 73 case ANDROID_UNINITIALIZED: 74 *pObjState = ANDROID_PREPARING; 75 ap->prepare(); 76 // intended fall through 77 case ANDROID_PREPARING: 78 // intended fall through 79 case ANDROID_READY: 80 ap->play(); 81 break; 82 default: 83 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState); 84 result = SL_RESULT_INTERNAL_ERROR; 85 break; 86 } 87 } 88 break; 89 default: 90 // checked by caller, should not happen 91 SL_LOGE(ERROR_SHOULDNT_BE_HERE_S, "aplayer_setPlayState"); 92 result = SL_RESULT_INTERNAL_ERROR; 93 break; 94 } 95 96 return result; 97 } 98 99 100 //----------------------------------------------------------------------------- 101 // Callback associated with a AudioToCbRenderer of an SL ES AudioPlayer that gets its data 102 // from a URI or FD, to write the decoded audio data to a buffer queue 103 static size_t adecoder_writeToBufferQueue(const uint8_t *data, size_t size, CAudioPlayer* ap) { 104 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 105 // it is not safe to enter the callback (the player is about to go away) 106 return 0; 107 } 108 size_t sizeConsumed = 0; 109 SL_LOGD("received %d bytes from decoder", size); 110 slBufferQueueCallback callback = NULL; 111 void * callbackPContext = NULL; 112 113 // push decoded data to the buffer queue 114 object_lock_exclusive(&ap->mObject); 115 116 if (ap->mBufferQueue.mState.count != 0) { 117 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear); 118 119 BufferHeader *oldFront = ap->mBufferQueue.mFront; 120 BufferHeader *newFront = &oldFront[1]; 121 122 uint8_t *pDest = (uint8_t *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed; 123 if (ap->mBufferQueue.mSizeConsumed + size < oldFront->mSize) { 124 // room to consume the whole or rest of the decoded data in one shot 125 ap->mBufferQueue.mSizeConsumed += size; 126 // consume data but no callback to the BufferQueue interface here 127 memcpy (pDest, data, size); 128 sizeConsumed = size; 129 } else { 130 // push as much as possible of the decoded data into the buffer queue 131 sizeConsumed = oldFront->mSize - ap->mBufferQueue.mSizeConsumed; 132 133 // the buffer at the head of the buffer queue is full, update the state 134 ap->mBufferQueue.mSizeConsumed = 0; 135 if (newFront == &ap->mBufferQueue.mArray[ap->mBufferQueue.mNumBuffers + 1]) { 136 newFront = ap->mBufferQueue.mArray; 137 } 138 ap->mBufferQueue.mFront = newFront; 139 140 ap->mBufferQueue.mState.count--; 141 ap->mBufferQueue.mState.playIndex++; 142 // consume data 143 memcpy (pDest, data, sizeConsumed); 144 // data has been copied to the buffer, and the buffer queue state has been updated 145 // we will notify the client if applicable 146 callback = ap->mBufferQueue.mCallback; 147 // save callback data 148 callbackPContext = ap->mBufferQueue.mContext; 149 } 150 151 } else { 152 // no available buffers in the queue to write the decoded data 153 sizeConsumed = 0; 154 } 155 156 object_unlock_exclusive(&ap->mObject); 157 // notify client 158 if (NULL != callback) { 159 (*callback)(&ap->mBufferQueue.mItf, callbackPContext); 160 } 161 162 ap->mCallbackProtector->exitCb(); 163 return sizeConsumed; 164 } 165 166 //----------------------------------------------------------------------------- 167 int android_getMinFrameCount(uint32_t sampleRate) { 168 int afSampleRate; 169 if (android::AudioSystem::getOutputSamplingRate(&afSampleRate, 170 ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) { 171 return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE; 172 } 173 int afFrameCount; 174 if (android::AudioSystem::getOutputFrameCount(&afFrameCount, 175 ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) { 176 return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE; 177 } 178 uint32_t afLatency; 179 if (android::AudioSystem::getOutputLatency(&afLatency, 180 ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) { 181 return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE; 182 } 183 // minimum nb of buffers to cover output latency, given the size of each hardware audio buffer 184 uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 185 if (minBufCount < 2) minBufCount = 2; 186 // minimum number of frames to cover output latency at the sample rate of the content 187 return (afFrameCount*sampleRate*minBufCount)/afSampleRate; 188 } 189 190 191 //----------------------------------------------------------------------------- 192 #define LEFT_CHANNEL_MASK 0x1 << 0 193 #define RIGHT_CHANNEL_MASK 0x1 << 1 194 195 void android_audioPlayer_volumeUpdate(CAudioPlayer* ap) 196 { 197 assert(ap != NULL); 198 199 // the source's channel count, where zero means unknown 200 SLuint8 channelCount = ap->mNumChannels; 201 202 // whether each channel is audible 203 bool leftAudibilityFactor, rightAudibilityFactor; 204 205 // mute has priority over solo 206 if (channelCount >= STEREO_CHANNELS) { 207 if (ap->mMuteMask & LEFT_CHANNEL_MASK) { 208 // left muted 209 leftAudibilityFactor = false; 210 } else { 211 // left not muted 212 if (ap->mSoloMask & LEFT_CHANNEL_MASK) { 213 // left soloed 214 leftAudibilityFactor = true; 215 } else { 216 // left not soloed 217 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) { 218 // right solo silences left 219 leftAudibilityFactor = false; 220 } else { 221 // left and right are not soloed, and left is not muted 222 leftAudibilityFactor = true; 223 } 224 } 225 } 226 227 if (ap->mMuteMask & RIGHT_CHANNEL_MASK) { 228 // right muted 229 rightAudibilityFactor = false; 230 } else { 231 // right not muted 232 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) { 233 // right soloed 234 rightAudibilityFactor = true; 235 } else { 236 // right not soloed 237 if (ap->mSoloMask & LEFT_CHANNEL_MASK) { 238 // left solo silences right 239 rightAudibilityFactor = false; 240 } else { 241 // left and right are not soloed, and right is not muted 242 rightAudibilityFactor = true; 243 } 244 } 245 } 246 247 // channel mute and solo are ignored for mono and unknown channel count sources 248 } else { 249 leftAudibilityFactor = true; 250 rightAudibilityFactor = true; 251 } 252 253 // compute volumes without setting 254 const bool audibilityFactors[2] = {leftAudibilityFactor, rightAudibilityFactor}; 255 float volumes[2]; 256 android_player_volumeUpdate(volumes, &ap->mVolume, channelCount, ap->mAmplFromDirectLevel, 257 audibilityFactors); 258 float leftVol = volumes[0], rightVol = volumes[1]; 259 260 // set volume on the underlying media player or audio track 261 if (ap->mAPlayer != 0) { 262 ap->mAPlayer->setVolume(leftVol, rightVol); 263 } else if (ap->mAudioTrack != 0) { 264 ap->mAudioTrack->setVolume(leftVol, rightVol); 265 } 266 267 // changes in the AudioPlayer volume must be reflected in the send level: 268 // in SLEffectSendItf or in SLAndroidEffectSendItf? 269 // FIXME replace interface test by an internal API once we have one. 270 if (NULL != ap->mEffectSend.mItf) { 271 for (unsigned int i=0 ; i<AUX_MAX ; i++) { 272 if (ap->mEffectSend.mEnableLevels[i].mEnable) { 273 android_fxSend_setSendLevel(ap, 274 ap->mEffectSend.mEnableLevels[i].mSendLevel + ap->mVolume.mLevel); 275 // there's a single aux bus on Android, so we can stop looking once the first 276 // aux effect is found. 277 break; 278 } 279 } 280 } else if (NULL != ap->mAndroidEffectSend.mItf) { 281 android_fxSend_setSendLevel(ap, ap->mAndroidEffectSend.mSendLevel + ap->mVolume.mLevel); 282 } 283 } 284 285 // Called by android_audioPlayer_volumeUpdate and android_mediaPlayer_volumeUpdate to compute 286 // volumes, but setting volumes is handled by the caller. 287 288 void android_player_volumeUpdate(float *pVolumes /*[2]*/, const IVolume *volumeItf, unsigned 289 channelCount, float amplFromDirectLevel, const bool *audibilityFactors /*[2]*/) 290 { 291 assert(pVolumes != NULL); 292 assert(volumeItf != NULL); 293 // OK for audibilityFactors to be NULL 294 295 bool leftAudibilityFactor, rightAudibilityFactor; 296 297 // apply player mute factor 298 // note that AudioTrack has mute() but not MediaPlayer, so it's easier to use volume 299 // to mute for both rather than calling mute() for AudioTrack 300 301 // player is muted 302 if (volumeItf->mMute) { 303 leftAudibilityFactor = false; 304 rightAudibilityFactor = false; 305 // player isn't muted, and channel mute/solo audibility factors are available (AudioPlayer) 306 } else if (audibilityFactors != NULL) { 307 leftAudibilityFactor = audibilityFactors[0]; 308 rightAudibilityFactor = audibilityFactors[1]; 309 // player isn't muted, and channel mute/solo audibility factors aren't available (MediaPlayer) 310 } else { 311 leftAudibilityFactor = true; 312 rightAudibilityFactor = true; 313 } 314 315 // compute amplification as the combination of volume level and stereo position 316 // amplification (or attenuation) from volume level 317 float amplFromVolLevel = sles_to_android_amplification(volumeItf->mLevel); 318 // amplification from direct level (changed in SLEffectSendtItf and SLAndroidEffectSendItf) 319 float leftVol = amplFromVolLevel * amplFromDirectLevel; 320 float rightVol = leftVol; 321 322 // amplification from stereo position 323 if (volumeItf->mEnableStereoPosition) { 324 // Left/right amplification (can be attenuations) factors derived for the StereoPosition 325 float amplFromStereoPos[STEREO_CHANNELS]; 326 // panning law depends on content channel count: mono to stereo panning vs stereo balance 327 if (1 == channelCount) { 328 // mono to stereo panning 329 double theta = (1000+volumeItf->mStereoPosition)*M_PI_4/1000.0f; // 0 <= theta <= Pi/2 330 amplFromStereoPos[0] = cos(theta); 331 amplFromStereoPos[1] = sin(theta); 332 // channel count is 0 (unknown), 2 (stereo), or > 2 (multi-channel) 333 } else { 334 // stereo balance 335 if (volumeItf->mStereoPosition > 0) { 336 amplFromStereoPos[0] = (1000-volumeItf->mStereoPosition)/1000.0f; 337 amplFromStereoPos[1] = 1.0f; 338 } else { 339 amplFromStereoPos[0] = 1.0f; 340 amplFromStereoPos[1] = (1000+volumeItf->mStereoPosition)/1000.0f; 341 } 342 } 343 leftVol *= amplFromStereoPos[0]; 344 rightVol *= amplFromStereoPos[1]; 345 } 346 347 // apply audibility factors 348 if (!leftAudibilityFactor) { 349 leftVol = 0.0; 350 } 351 if (!rightAudibilityFactor) { 352 rightVol = 0.0; 353 } 354 355 // return the computed volumes 356 pVolumes[0] = leftVol; 357 pVolumes[1] = rightVol; 358 } 359 360 //----------------------------------------------------------------------------- 361 void audioTrack_handleMarker_lockPlay(CAudioPlayer* ap) { 362 //SL_LOGV("received event EVENT_MARKER from AudioTrack"); 363 slPlayCallback callback = NULL; 364 void* callbackPContext = NULL; 365 366 interface_lock_shared(&ap->mPlay); 367 callback = ap->mPlay.mCallback; 368 callbackPContext = ap->mPlay.mContext; 369 interface_unlock_shared(&ap->mPlay); 370 371 if (NULL != callback) { 372 // getting this event implies SL_PLAYEVENT_HEADATMARKER was set in the event mask 373 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATMARKER); 374 } 375 } 376 377 //----------------------------------------------------------------------------- 378 void audioTrack_handleNewPos_lockPlay(CAudioPlayer* ap) { 379 //SL_LOGV("received event EVENT_NEW_POS from AudioTrack"); 380 slPlayCallback callback = NULL; 381 void* callbackPContext = NULL; 382 383 interface_lock_shared(&ap->mPlay); 384 callback = ap->mPlay.mCallback; 385 callbackPContext = ap->mPlay.mContext; 386 interface_unlock_shared(&ap->mPlay); 387 388 if (NULL != callback) { 389 // getting this event implies SL_PLAYEVENT_HEADATNEWPOS was set in the event mask 390 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATNEWPOS); 391 } 392 } 393 394 395 //----------------------------------------------------------------------------- 396 void audioTrack_handleUnderrun_lockPlay(CAudioPlayer* ap) { 397 slPlayCallback callback = NULL; 398 void* callbackPContext = NULL; 399 400 interface_lock_shared(&ap->mPlay); 401 callback = ap->mPlay.mCallback; 402 callbackPContext = ap->mPlay.mContext; 403 bool headStalled = (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADSTALLED) != 0; 404 interface_unlock_shared(&ap->mPlay); 405 406 if ((NULL != callback) && headStalled) { 407 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADSTALLED); 408 } 409 } 410 411 412 //----------------------------------------------------------------------------- 413 /** 414 * post-condition: play state of AudioPlayer is SL_PLAYSTATE_PAUSED if setPlayStateToPaused is true 415 * 416 * note: a conditional flag, setPlayStateToPaused, is used here to specify whether the play state 417 * needs to be changed when the player reaches the end of the content to play. This is 418 * relative to what the specification describes for buffer queues vs the 419 * SL_PLAYEVENT_HEADATEND event. In the OpenSL ES specification 1.0.1: 420 * - section 8.12 SLBufferQueueItf states "In the case of starvation due to insufficient 421 * buffers in the queue, the playing of audio data stops. The player remains in the 422 * SL_PLAYSTATE_PLAYING state." 423 * - section 9.2.31 SL_PLAYEVENT states "SL_PLAYEVENT_HEADATEND Playback head is at the end 424 * of the current content and the player has paused." 425 */ 426 void audioPlayer_dispatch_headAtEnd_lockPlay(CAudioPlayer *ap, bool setPlayStateToPaused, 427 bool needToLock) { 428 //SL_LOGV("ap=%p, setPlayStateToPaused=%d, needToLock=%d", ap, setPlayStateToPaused, 429 // needToLock); 430 slPlayCallback playCallback = NULL; 431 void * playContext = NULL; 432 // SLPlayItf callback or no callback? 433 if (needToLock) { 434 interface_lock_exclusive(&ap->mPlay); 435 } 436 if (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADATEND) { 437 playCallback = ap->mPlay.mCallback; 438 playContext = ap->mPlay.mContext; 439 } 440 if (setPlayStateToPaused) { 441 ap->mPlay.mState = SL_PLAYSTATE_PAUSED; 442 } 443 if (needToLock) { 444 interface_unlock_exclusive(&ap->mPlay); 445 } 446 // enqueue callback with no lock held 447 if (NULL != playCallback) { 448 #ifndef USE_ASYNCHRONOUS_PLAY_CALLBACK 449 (*playCallback)(&ap->mPlay.mItf, playContext, SL_PLAYEVENT_HEADATEND); 450 #else 451 SLresult result = EnqueueAsyncCallback_ppi(ap, playCallback, &ap->mPlay.mItf, playContext, 452 SL_PLAYEVENT_HEADATEND); 453 if (SL_RESULT_SUCCESS != result) { 454 ALOGW("Callback %p(%p, %p, SL_PLAYEVENT_HEADATEND) dropped", playCallback, 455 &ap->mPlay.mItf, playContext); 456 } 457 #endif 458 } 459 460 } 461 462 463 //----------------------------------------------------------------------------- 464 SLresult audioPlayer_setStreamType(CAudioPlayer* ap, SLint32 type) { 465 SLresult result = SL_RESULT_SUCCESS; 466 SL_LOGV("type %d", type); 467 468 audio_stream_type_t newStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE; 469 switch(type) { 470 case SL_ANDROID_STREAM_VOICE: 471 newStreamType = AUDIO_STREAM_VOICE_CALL; 472 break; 473 case SL_ANDROID_STREAM_SYSTEM: 474 newStreamType = AUDIO_STREAM_SYSTEM; 475 break; 476 case SL_ANDROID_STREAM_RING: 477 newStreamType = AUDIO_STREAM_RING; 478 break; 479 case SL_ANDROID_STREAM_MEDIA: 480 newStreamType = AUDIO_STREAM_MUSIC; 481 break; 482 case SL_ANDROID_STREAM_ALARM: 483 newStreamType = AUDIO_STREAM_ALARM; 484 break; 485 case SL_ANDROID_STREAM_NOTIFICATION: 486 newStreamType = AUDIO_STREAM_NOTIFICATION; 487 break; 488 default: 489 SL_LOGE(ERROR_PLAYERSTREAMTYPE_SET_UNKNOWN_TYPE); 490 result = SL_RESULT_PARAMETER_INVALID; 491 break; 492 } 493 494 // stream type needs to be set before the object is realized 495 // (ap->mAudioTrack is supposed to be NULL until then) 496 if (SL_OBJECT_STATE_UNREALIZED != ap->mObject.mState) { 497 SL_LOGE(ERROR_PLAYERSTREAMTYPE_REALIZED); 498 result = SL_RESULT_PRECONDITIONS_VIOLATED; 499 } else { 500 ap->mStreamType = newStreamType; 501 } 502 503 return result; 504 } 505 506 507 //----------------------------------------------------------------------------- 508 SLresult audioPlayer_getStreamType(CAudioPlayer* ap, SLint32 *pType) { 509 SLresult result = SL_RESULT_SUCCESS; 510 511 switch(ap->mStreamType) { 512 case AUDIO_STREAM_VOICE_CALL: 513 *pType = SL_ANDROID_STREAM_VOICE; 514 break; 515 case AUDIO_STREAM_SYSTEM: 516 *pType = SL_ANDROID_STREAM_SYSTEM; 517 break; 518 case AUDIO_STREAM_RING: 519 *pType = SL_ANDROID_STREAM_RING; 520 break; 521 case AUDIO_STREAM_DEFAULT: 522 case AUDIO_STREAM_MUSIC: 523 *pType = SL_ANDROID_STREAM_MEDIA; 524 break; 525 case AUDIO_STREAM_ALARM: 526 *pType = SL_ANDROID_STREAM_ALARM; 527 break; 528 case AUDIO_STREAM_NOTIFICATION: 529 *pType = SL_ANDROID_STREAM_NOTIFICATION; 530 break; 531 default: 532 result = SL_RESULT_INTERNAL_ERROR; 533 *pType = SL_ANDROID_STREAM_MEDIA; 534 break; 535 } 536 537 return result; 538 } 539 540 541 //----------------------------------------------------------------------------- 542 void audioPlayer_auxEffectUpdate(CAudioPlayer* ap) { 543 if ((ap->mAudioTrack != 0) && (ap->mAuxEffect != 0)) { 544 android_fxSend_attach(ap, true, ap->mAuxEffect, ap->mVolume.mLevel + ap->mAuxSendLevel); 545 } 546 } 547 548 549 //----------------------------------------------------------------------------- 550 /* 551 * returns true if the given data sink is supported by AudioPlayer that doesn't 552 * play to an OutputMix object, false otherwise 553 * 554 * pre-condition: the locator of the audio sink is not SL_DATALOCATOR_OUTPUTMIX 555 */ 556 bool audioPlayer_isSupportedNonOutputMixSink(const SLDataSink* pAudioSink) { 557 bool result = true; 558 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSink->pLocator; 559 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSink->pFormat; 560 561 switch (sinkLocatorType) { 562 563 case SL_DATALOCATOR_BUFFERQUEUE: 564 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 565 if (SL_DATAFORMAT_PCM != sinkFormatType) { 566 SL_LOGE("Unsupported sink format 0x%x, expected SL_DATAFORMAT_PCM", 567 (unsigned)sinkFormatType); 568 result = false; 569 } 570 // it's no use checking the PCM format fields because additional characteristics 571 // such as the number of channels, or sample size are unknown to the player at this stage 572 break; 573 574 default: 575 SL_LOGE("Unsupported sink locator type 0x%x", (unsigned)sinkLocatorType); 576 result = false; 577 break; 578 } 579 580 return result; 581 } 582 583 584 //----------------------------------------------------------------------------- 585 /* 586 * returns the Android object type if the locator type combinations for the source and sinks 587 * are supported by this implementation, INVALID_TYPE otherwise 588 */ 589 AndroidObjectType audioPlayer_getAndroidObjectTypeForSourceSink(CAudioPlayer *ap) { 590 591 const SLDataSource *pAudioSrc = &ap->mDataSource.u.mSource; 592 const SLDataSink *pAudioSnk = &ap->mDataSink.u.mSink; 593 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 594 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 595 AndroidObjectType type = INVALID_TYPE; 596 597 //-------------------------------------- 598 // Sink / source matching check: 599 // the following source / sink combinations are supported 600 // SL_DATALOCATOR_BUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 601 // SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 602 // SL_DATALOCATOR_URI / SL_DATALOCATOR_OUTPUTMIX 603 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_OUTPUTMIX 604 // SL_DATALOCATOR_ANDROIDBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 605 // SL_DATALOCATOR_ANDROIDBUFFERQUEUE / SL_DATALOCATOR_BUFFERQUEUE 606 // SL_DATALOCATOR_URI / SL_DATALOCATOR_BUFFERQUEUE 607 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_BUFFERQUEUE 608 // SL_DATALOCATOR_URI / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 609 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 610 switch (sinkLocatorType) { 611 612 case SL_DATALOCATOR_OUTPUTMIX: { 613 switch (sourceLocatorType) { 614 615 // Buffer Queue to AudioTrack 616 case SL_DATALOCATOR_BUFFERQUEUE: 617 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 618 type = AUDIOPLAYER_FROM_PCM_BUFFERQUEUE; 619 break; 620 621 // URI or FD to MediaPlayer 622 case SL_DATALOCATOR_URI: 623 case SL_DATALOCATOR_ANDROIDFD: 624 type = AUDIOPLAYER_FROM_URIFD; 625 break; 626 627 // Android BufferQueue to MediaPlayer (shared memory streaming) 628 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 629 type = AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE; 630 break; 631 632 default: 633 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_OUTPUTMIX sink", 634 (unsigned)sourceLocatorType); 635 break; 636 } 637 } 638 break; 639 640 case SL_DATALOCATOR_BUFFERQUEUE: 641 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 642 switch (sourceLocatorType) { 643 644 // URI or FD decoded to PCM in a buffer queue 645 case SL_DATALOCATOR_URI: 646 case SL_DATALOCATOR_ANDROIDFD: 647 type = AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE; 648 break; 649 650 // AAC ADTS Android buffer queue decoded to PCM in a buffer queue 651 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 652 type = AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE; 653 break; 654 655 default: 656 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_BUFFERQUEUE sink", 657 (unsigned)sourceLocatorType); 658 break; 659 } 660 break; 661 662 default: 663 SL_LOGE("Sink data locator 0x%x not supported", (unsigned)sinkLocatorType); 664 break; 665 } 666 667 return type; 668 } 669 670 671 //----------------------------------------------------------------------------- 672 /* 673 * Callback associated with an SfPlayer of an SL ES AudioPlayer that gets its data 674 * from a URI or FD, for prepare, prefetch, and play events 675 */ 676 static void sfplayer_handlePrefetchEvent(int event, int data1, int data2, void* user) { 677 678 // FIXME see similar code and comment in player_handleMediaPlayerEventNotifications 679 680 if (NULL == user) { 681 return; 682 } 683 684 CAudioPlayer *ap = (CAudioPlayer *)user; 685 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 686 // it is not safe to enter the callback (the track is about to go away) 687 return; 688 } 689 union { 690 char c[sizeof(int)]; 691 int i; 692 } u; 693 u.i = event; 694 SL_LOGV("sfplayer_handlePrefetchEvent(event='%c%c%c%c' (%d), data1=%d, data2=%d, user=%p) from " 695 "SfAudioPlayer", u.c[3], u.c[2], u.c[1], u.c[0], event, data1, data2, user); 696 switch(event) { 697 698 case android::GenericPlayer::kEventPrepared: { 699 SL_LOGV("Received GenericPlayer::kEventPrepared for CAudioPlayer %p", ap); 700 701 // assume no callback 702 slPrefetchCallback callback = NULL; 703 void* callbackPContext; 704 SLuint32 events; 705 706 object_lock_exclusive(&ap->mObject); 707 708 // mark object as prepared; same state is used for successful or unsuccessful prepare 709 assert(ap->mAndroidObjState == ANDROID_PREPARING); 710 ap->mAndroidObjState = ANDROID_READY; 711 712 if (PLAYER_SUCCESS == data1) { 713 // Most of successful prepare completion for ap->mAPlayer 714 // is handled by GenericPlayer and its subclasses. 715 } else { 716 // SfPlayer prepare() failed prefetching, there is no event in SLPrefetchStatus to 717 // indicate a prefetch error, so we signal it by sending simultaneously two events: 718 // - SL_PREFETCHEVENT_FILLLEVELCHANGE with a level of 0 719 // - SL_PREFETCHEVENT_STATUSCHANGE with a status of SL_PREFETCHSTATUS_UNDERFLOW 720 SL_LOGE(ERROR_PLAYER_PREFETCH_d, data1); 721 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 722 ap->mPrefetchStatus.mLevel = 0; 723 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 724 if (!(~ap->mPrefetchStatus.mCallbackEventsMask & 725 (SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE))) { 726 callback = ap->mPrefetchStatus.mCallback; 727 callbackPContext = ap->mPrefetchStatus.mContext; 728 events = SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE; 729 } 730 } 731 } 732 733 object_unlock_exclusive(&ap->mObject); 734 735 // callback with no lock held 736 if (NULL != callback) { 737 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, events); 738 } 739 740 } 741 break; 742 743 case android::GenericPlayer::kEventPrefetchFillLevelUpdate : { 744 if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 745 break; 746 } 747 slPrefetchCallback callback = NULL; 748 void* callbackPContext = NULL; 749 750 // SLPrefetchStatusItf callback or no callback? 751 interface_lock_exclusive(&ap->mPrefetchStatus); 752 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE) { 753 callback = ap->mPrefetchStatus.mCallback; 754 callbackPContext = ap->mPrefetchStatus.mContext; 755 } 756 ap->mPrefetchStatus.mLevel = (SLpermille)data1; 757 interface_unlock_exclusive(&ap->mPrefetchStatus); 758 759 // callback with no lock held 760 if (NULL != callback) { 761 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, 762 SL_PREFETCHEVENT_FILLLEVELCHANGE); 763 } 764 } 765 break; 766 767 case android::GenericPlayer::kEventPrefetchStatusChange: { 768 if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 769 break; 770 } 771 slPrefetchCallback callback = NULL; 772 void* callbackPContext = NULL; 773 774 // SLPrefetchStatusItf callback or no callback? 775 object_lock_exclusive(&ap->mObject); 776 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) { 777 callback = ap->mPrefetchStatus.mCallback; 778 callbackPContext = ap->mPrefetchStatus.mContext; 779 } 780 if (data1 >= android::kStatusIntermediate) { 781 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA; 782 } else if (data1 < android::kStatusIntermediate) { 783 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 784 } 785 object_unlock_exclusive(&ap->mObject); 786 787 // callback with no lock held 788 if (NULL != callback) { 789 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, SL_PREFETCHEVENT_STATUSCHANGE); 790 } 791 } 792 break; 793 794 case android::GenericPlayer::kEventEndOfStream: { 795 audioPlayer_dispatch_headAtEnd_lockPlay(ap, true /*set state to paused?*/, true); 796 if ((ap->mAudioTrack != 0) && (!ap->mSeek.mLoopEnabled)) { 797 ap->mAudioTrack->stop(); 798 } 799 } 800 break; 801 802 case android::GenericPlayer::kEventChannelCount: { 803 object_lock_exclusive(&ap->mObject); 804 if (UNKNOWN_NUMCHANNELS == ap->mNumChannels && UNKNOWN_NUMCHANNELS != data1) { 805 ap->mNumChannels = data1; 806 android_audioPlayer_volumeUpdate(ap); 807 } 808 object_unlock_exclusive(&ap->mObject); 809 } 810 break; 811 812 case android::GenericPlayer::kEventPlay: { 813 slPlayCallback callback = NULL; 814 void* callbackPContext = NULL; 815 816 interface_lock_shared(&ap->mPlay); 817 callback = ap->mPlay.mCallback; 818 callbackPContext = ap->mPlay.mContext; 819 interface_unlock_shared(&ap->mPlay); 820 821 if (NULL != callback) { 822 SLuint32 event = (SLuint32) data1; // SL_PLAYEVENT_HEAD* 823 #ifndef USE_ASYNCHRONOUS_PLAY_CALLBACK 824 // synchronous callback requires a synchronous GetPosition implementation 825 (*callback)(&ap->mPlay.mItf, callbackPContext, event); 826 #else 827 // asynchronous callback works with any GetPosition implementation 828 SLresult result = EnqueueAsyncCallback_ppi(ap, callback, &ap->mPlay.mItf, 829 callbackPContext, event); 830 if (SL_RESULT_SUCCESS != result) { 831 ALOGW("Callback %p(%p, %p, 0x%x) dropped", callback, 832 &ap->mPlay.mItf, callbackPContext, event); 833 } 834 #endif 835 } 836 } 837 break; 838 839 case android::GenericPlayer::kEventErrorAfterPrepare: { 840 SL_LOGV("kEventErrorAfterPrepare"); 841 842 // assume no callback 843 slPrefetchCallback callback = NULL; 844 void* callbackPContext = NULL; 845 846 object_lock_exclusive(&ap->mObject); 847 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 848 ap->mPrefetchStatus.mLevel = 0; 849 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 850 if (!(~ap->mPrefetchStatus.mCallbackEventsMask & 851 (SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE))) { 852 callback = ap->mPrefetchStatus.mCallback; 853 callbackPContext = ap->mPrefetchStatus.mContext; 854 } 855 } 856 object_unlock_exclusive(&ap->mObject); 857 858 // FIXME there's interesting information in data1, but no API to convey it to client 859 SL_LOGE("Error after prepare: %d", data1); 860 861 // callback with no lock held 862 if (NULL != callback) { 863 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, 864 SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE); 865 } 866 867 } 868 break; 869 870 case android::GenericPlayer::kEventHasVideoSize: 871 //SL_LOGW("Unexpected kEventHasVideoSize"); 872 break; 873 874 default: 875 break; 876 } 877 878 ap->mCallbackProtector->exitCb(); 879 } 880 881 882 //----------------------------------------------------------------------------- 883 SLresult android_audioPlayer_checkSourceSink(CAudioPlayer *pAudioPlayer) 884 { 885 // verify that the locator types for the source / sink combination is supported 886 pAudioPlayer->mAndroidObjType = audioPlayer_getAndroidObjectTypeForSourceSink(pAudioPlayer); 887 if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) { 888 return SL_RESULT_PARAMETER_INVALID; 889 } 890 891 const SLDataSource *pAudioSrc = &pAudioPlayer->mDataSource.u.mSource; 892 const SLDataSink *pAudioSnk = &pAudioPlayer->mDataSink.u.mSink; 893 894 // format check: 895 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 896 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 897 const SLuint32 sourceFormatType = *(SLuint32 *)pAudioSrc->pFormat; 898 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSnk->pFormat; 899 900 switch (sourceLocatorType) { 901 //------------------ 902 // Buffer Queues 903 case SL_DATALOCATOR_BUFFERQUEUE: 904 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 905 { 906 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) pAudioSrc->pLocator; 907 908 // Buffer format 909 switch (sourceFormatType) { 910 // currently only PCM buffer queues are supported, 911 case SL_DATAFORMAT_PCM: { 912 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) pAudioSrc->pFormat; 913 switch (df_pcm->numChannels) { 914 case 1: 915 case 2: 916 break; 917 default: 918 // this should have already been rejected by checkDataFormat 919 SL_LOGE("Cannot create audio player: unsupported " \ 920 "PCM data source with %u channels", (unsigned) df_pcm->numChannels); 921 return SL_RESULT_CONTENT_UNSUPPORTED; 922 } 923 switch (df_pcm->samplesPerSec) { 924 case SL_SAMPLINGRATE_8: 925 case SL_SAMPLINGRATE_11_025: 926 case SL_SAMPLINGRATE_12: 927 case SL_SAMPLINGRATE_16: 928 case SL_SAMPLINGRATE_22_05: 929 case SL_SAMPLINGRATE_24: 930 case SL_SAMPLINGRATE_32: 931 case SL_SAMPLINGRATE_44_1: 932 case SL_SAMPLINGRATE_48: 933 break; 934 case SL_SAMPLINGRATE_64: 935 case SL_SAMPLINGRATE_88_2: 936 case SL_SAMPLINGRATE_96: 937 case SL_SAMPLINGRATE_192: 938 default: 939 SL_LOGE("Cannot create audio player: unsupported sample rate %u milliHz", 940 (unsigned) df_pcm->samplesPerSec); 941 return SL_RESULT_CONTENT_UNSUPPORTED; 942 } 943 switch (df_pcm->bitsPerSample) { 944 case SL_PCMSAMPLEFORMAT_FIXED_8: 945 case SL_PCMSAMPLEFORMAT_FIXED_16: 946 break; 947 // others 948 default: 949 // this should have already been rejected by checkDataFormat 950 SL_LOGE("Cannot create audio player: unsupported sample bit depth %u", 951 (SLuint32)df_pcm->bitsPerSample); 952 return SL_RESULT_CONTENT_UNSUPPORTED; 953 } 954 switch (df_pcm->containerSize) { 955 case 8: 956 case 16: 957 break; 958 // others 959 default: 960 SL_LOGE("Cannot create audio player: unsupported container size %u", 961 (unsigned) df_pcm->containerSize); 962 return SL_RESULT_CONTENT_UNSUPPORTED; 963 } 964 // df_pcm->channelMask: the earlier platform-independent check and the 965 // upcoming check by sles_to_android_channelMaskOut are sufficient 966 switch (df_pcm->endianness) { 967 case SL_BYTEORDER_LITTLEENDIAN: 968 break; 969 case SL_BYTEORDER_BIGENDIAN: 970 SL_LOGE("Cannot create audio player: unsupported big-endian byte order"); 971 return SL_RESULT_CONTENT_UNSUPPORTED; 972 // native is proposed but not yet in spec 973 default: 974 SL_LOGE("Cannot create audio player: unsupported byte order %u", 975 (unsigned) df_pcm->endianness); 976 return SL_RESULT_CONTENT_UNSUPPORTED; 977 } 978 } //case SL_DATAFORMAT_PCM 979 break; 980 case SL_DATAFORMAT_MIME: 981 case XA_DATAFORMAT_RAWIMAGE: 982 SL_LOGE("Cannot create audio player with buffer queue data source " 983 "without SL_DATAFORMAT_PCM format"); 984 return SL_RESULT_CONTENT_UNSUPPORTED; 985 default: 986 // invalid data format is detected earlier 987 assert(false); 988 return SL_RESULT_INTERNAL_ERROR; 989 } // switch (sourceFormatType) 990 } // case SL_DATALOCATOR_BUFFERQUEUE or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 991 break; 992 //------------------ 993 // URI 994 case SL_DATALOCATOR_URI: 995 { 996 SLDataLocator_URI *dl_uri = (SLDataLocator_URI *) pAudioSrc->pLocator; 997 if (NULL == dl_uri->URI) { 998 return SL_RESULT_PARAMETER_INVALID; 999 } 1000 // URI format 1001 switch (sourceFormatType) { 1002 case SL_DATAFORMAT_MIME: 1003 break; 1004 case SL_DATAFORMAT_PCM: 1005 case XA_DATAFORMAT_RAWIMAGE: 1006 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_URI data source without " 1007 "SL_DATAFORMAT_MIME format"); 1008 return SL_RESULT_CONTENT_UNSUPPORTED; 1009 } // switch (sourceFormatType) 1010 // decoding format check 1011 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 1012 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 1013 return SL_RESULT_CONTENT_UNSUPPORTED; 1014 } 1015 } // case SL_DATALOCATOR_URI 1016 break; 1017 //------------------ 1018 // File Descriptor 1019 case SL_DATALOCATOR_ANDROIDFD: 1020 { 1021 // fd is already non null 1022 switch (sourceFormatType) { 1023 case SL_DATAFORMAT_MIME: 1024 break; 1025 case SL_DATAFORMAT_PCM: 1026 // FIXME implement 1027 SL_LOGD("[ FIXME implement PCM FD data sources ]"); 1028 break; 1029 case XA_DATAFORMAT_RAWIMAGE: 1030 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_ANDROIDFD data source " 1031 "without SL_DATAFORMAT_MIME or SL_DATAFORMAT_PCM format"); 1032 return SL_RESULT_CONTENT_UNSUPPORTED; 1033 default: 1034 // invalid data format is detected earlier 1035 assert(false); 1036 return SL_RESULT_INTERNAL_ERROR; 1037 } // switch (sourceFormatType) 1038 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 1039 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 1040 return SL_RESULT_CONTENT_UNSUPPORTED; 1041 } 1042 } // case SL_DATALOCATOR_ANDROIDFD 1043 break; 1044 //------------------ 1045 // Stream 1046 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 1047 { 1048 switch (sourceFormatType) { 1049 case SL_DATAFORMAT_MIME: 1050 { 1051 SLDataFormat_MIME *df_mime = (SLDataFormat_MIME *) pAudioSrc->pFormat; 1052 if (NULL == df_mime) { 1053 SL_LOGE("MIME type null invalid"); 1054 return SL_RESULT_CONTENT_UNSUPPORTED; 1055 } 1056 SL_LOGD("source MIME is %s", (char*)df_mime->mimeType); 1057 switch(df_mime->containerType) { 1058 case SL_CONTAINERTYPE_MPEG_TS: 1059 if (strcasecmp((char*)df_mime->mimeType, (const char *)XA_ANDROID_MIME_MP2TS)) { 1060 SL_LOGE("Invalid MIME (%s) for container SL_CONTAINERTYPE_MPEG_TS, expects %s", 1061 (char*)df_mime->mimeType, XA_ANDROID_MIME_MP2TS); 1062 return SL_RESULT_CONTENT_UNSUPPORTED; 1063 } 1064 break; 1065 case SL_CONTAINERTYPE_RAW: 1066 case SL_CONTAINERTYPE_AAC: 1067 if (strcasecmp((char*)df_mime->mimeType, (const char *)SL_ANDROID_MIME_AACADTS) && 1068 strcasecmp((char*)df_mime->mimeType, 1069 ANDROID_MIME_AACADTS_ANDROID_FRAMEWORK)) { 1070 SL_LOGE("Invalid MIME (%s) for container type %d, expects %s", 1071 (char*)df_mime->mimeType, df_mime->containerType, 1072 SL_ANDROID_MIME_AACADTS); 1073 return SL_RESULT_CONTENT_UNSUPPORTED; 1074 } 1075 break; 1076 default: 1077 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1078 "that is not fed MPEG-2 TS data or AAC ADTS data"); 1079 return SL_RESULT_CONTENT_UNSUPPORTED; 1080 } 1081 } 1082 break; 1083 default: 1084 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1085 "without SL_DATAFORMAT_MIME format"); 1086 return SL_RESULT_CONTENT_UNSUPPORTED; 1087 } 1088 } 1089 break; // case SL_DATALOCATOR_ANDROIDBUFFERQUEUE 1090 //------------------ 1091 // Address 1092 case SL_DATALOCATOR_ADDRESS: 1093 case SL_DATALOCATOR_IODEVICE: 1094 case SL_DATALOCATOR_OUTPUTMIX: 1095 case XA_DATALOCATOR_NATIVEDISPLAY: 1096 case SL_DATALOCATOR_MIDIBUFFERQUEUE: 1097 SL_LOGE("Cannot create audio player with data locator type 0x%x", 1098 (unsigned) sourceLocatorType); 1099 return SL_RESULT_CONTENT_UNSUPPORTED; 1100 default: 1101 SL_LOGE("Cannot create audio player with invalid data locator type 0x%x", 1102 (unsigned) sourceLocatorType); 1103 return SL_RESULT_PARAMETER_INVALID; 1104 }// switch (locatorType) 1105 1106 return SL_RESULT_SUCCESS; 1107 } 1108 1109 1110 //----------------------------------------------------------------------------- 1111 // Callback associated with an AudioTrack of an SL ES AudioPlayer that gets its data 1112 // from a buffer queue. This will not be called once the AudioTrack has been destroyed. 1113 static void audioTrack_callBack_pullFromBuffQueue(int event, void* user, void *info) { 1114 CAudioPlayer *ap = (CAudioPlayer *)user; 1115 1116 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 1117 // it is not safe to enter the callback (the track is about to go away) 1118 return; 1119 } 1120 1121 void * callbackPContext = NULL; 1122 switch(event) { 1123 1124 case android::AudioTrack::EVENT_MORE_DATA: { 1125 //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack TID=%d", gettid()); 1126 slBufferQueueCallback callback = NULL; 1127 slPrefetchCallback prefetchCallback = NULL; 1128 void *prefetchContext = NULL; 1129 SLuint32 prefetchEvents = SL_PREFETCHEVENT_NONE; 1130 android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info; 1131 1132 // retrieve data from the buffer queue 1133 interface_lock_exclusive(&ap->mBufferQueue); 1134 1135 if (ap->mBufferQueue.mState.count != 0) { 1136 //SL_LOGV("nbBuffers in queue = %u",ap->mBufferQueue.mState.count); 1137 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear); 1138 1139 BufferHeader *oldFront = ap->mBufferQueue.mFront; 1140 BufferHeader *newFront = &oldFront[1]; 1141 1142 // declared as void * because this code supports both 8-bit and 16-bit PCM data 1143 void *pSrc = (char *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed; 1144 if (ap->mBufferQueue.mSizeConsumed + pBuff->size < oldFront->mSize) { 1145 // can't consume the whole or rest of the buffer in one shot 1146 ap->mBufferQueue.mSizeConsumed += pBuff->size; 1147 // leave pBuff->size untouched 1148 // consume data 1149 // FIXME can we avoid holding the lock during the copy? 1150 memcpy (pBuff->raw, pSrc, pBuff->size); 1151 } else { 1152 // finish consuming the buffer or consume the buffer in one shot 1153 pBuff->size = oldFront->mSize - ap->mBufferQueue.mSizeConsumed; 1154 ap->mBufferQueue.mSizeConsumed = 0; 1155 1156 if (newFront == 1157 &ap->mBufferQueue.mArray 1158 [ap->mBufferQueue.mNumBuffers + 1]) 1159 { 1160 newFront = ap->mBufferQueue.mArray; 1161 } 1162 ap->mBufferQueue.mFront = newFront; 1163 1164 ap->mBufferQueue.mState.count--; 1165 ap->mBufferQueue.mState.playIndex++; 1166 1167 // consume data 1168 // FIXME can we avoid holding the lock during the copy? 1169 memcpy (pBuff->raw, pSrc, pBuff->size); 1170 1171 // data has been consumed, and the buffer queue state has been updated 1172 // we will notify the client if applicable 1173 callback = ap->mBufferQueue.mCallback; 1174 // save callback data 1175 callbackPContext = ap->mBufferQueue.mContext; 1176 } 1177 } else { // empty queue 1178 // signal no data available 1179 pBuff->size = 0; 1180 1181 // signal we're at the end of the content, but don't pause (see note in function) 1182 audioPlayer_dispatch_headAtEnd_lockPlay(ap, false /*set state to paused?*/, false); 1183 1184 // signal underflow to prefetch status itf 1185 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 1186 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 1187 ap->mPrefetchStatus.mLevel = 0; 1188 // callback or no callback? 1189 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask & 1190 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE); 1191 if (SL_PREFETCHEVENT_NONE != prefetchEvents) { 1192 prefetchCallback = ap->mPrefetchStatus.mCallback; 1193 prefetchContext = ap->mPrefetchStatus.mContext; 1194 } 1195 } 1196 1197 // stop the track so it restarts playing faster when new data is enqueued 1198 ap->mAudioTrack->stop(); 1199 } 1200 interface_unlock_exclusive(&ap->mBufferQueue); 1201 1202 // notify client 1203 if (NULL != prefetchCallback) { 1204 assert(SL_PREFETCHEVENT_NONE != prefetchEvents); 1205 // spec requires separate callbacks for each event 1206 if (prefetchEvents & SL_PREFETCHEVENT_STATUSCHANGE) { 1207 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, 1208 SL_PREFETCHEVENT_STATUSCHANGE); 1209 } 1210 if (prefetchEvents & SL_PREFETCHEVENT_FILLLEVELCHANGE) { 1211 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, 1212 SL_PREFETCHEVENT_FILLLEVELCHANGE); 1213 } 1214 } 1215 if (NULL != callback) { 1216 (*callback)(&ap->mBufferQueue.mItf, callbackPContext); 1217 } 1218 } 1219 break; 1220 1221 case android::AudioTrack::EVENT_MARKER: 1222 //SL_LOGI("received event EVENT_MARKER from AudioTrack"); 1223 audioTrack_handleMarker_lockPlay(ap); 1224 break; 1225 1226 case android::AudioTrack::EVENT_NEW_POS: 1227 //SL_LOGI("received event EVENT_NEW_POS from AudioTrack"); 1228 audioTrack_handleNewPos_lockPlay(ap); 1229 break; 1230 1231 case android::AudioTrack::EVENT_UNDERRUN: 1232 //SL_LOGI("received event EVENT_UNDERRUN from AudioTrack"); 1233 audioTrack_handleUnderrun_lockPlay(ap); 1234 break; 1235 1236 case android::AudioTrack::EVENT_BUFFER_END: 1237 case android::AudioTrack::EVENT_LOOP_END: 1238 // These are unexpected so fall through 1239 default: 1240 // FIXME where does the notification of SL_PLAYEVENT_HEADMOVING fit? 1241 SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event, 1242 (CAudioPlayer *)user); 1243 break; 1244 } 1245 1246 ap->mCallbackProtector->exitCb(); 1247 } 1248 1249 1250 //----------------------------------------------------------------------------- 1251 void android_audioPlayer_create(CAudioPlayer *pAudioPlayer) { 1252 1253 // pAudioPlayer->mAndroidObjType has been set in android_audioPlayer_checkSourceSink() 1254 // and if it was == INVALID_TYPE, then IEngine_CreateAudioPlayer would never call us 1255 assert(INVALID_TYPE != pAudioPlayer->mAndroidObjType); 1256 1257 // These initializations are in the same order as the field declarations in classes.h 1258 1259 // FIXME Consolidate initializations (many of these already in IEngine_CreateAudioPlayer) 1260 // mAndroidObjType: see above comment 1261 pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED; 1262 pAudioPlayer->mSessionId = android::AudioSystem::newAudioSessionId(); 1263 1264 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player 1265 // android::AudioSystem::acquireAudioSessionId(pAudioPlayer->mSessionId); 1266 1267 pAudioPlayer->mStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE; 1268 1269 // mAudioTrack 1270 pAudioPlayer->mCallbackProtector = new android::CallbackProtector(); 1271 // mAPLayer 1272 // mAuxEffect 1273 1274 pAudioPlayer->mAuxSendLevel = 0; 1275 pAudioPlayer->mAmplFromDirectLevel = 1.0f; // matches initial mDirectLevel value 1276 pAudioPlayer->mDeferredStart = false; 1277 1278 // This section re-initializes interface-specific fields that 1279 // can be set or used regardless of whether the interface is 1280 // exposed on the AudioPlayer or not 1281 1282 switch (pAudioPlayer->mAndroidObjType) { 1283 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1284 pAudioPlayer->mPlaybackRate.mMinRate = AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE; 1285 pAudioPlayer->mPlaybackRate.mMaxRate = AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE; 1286 break; 1287 case AUDIOPLAYER_FROM_URIFD: 1288 pAudioPlayer->mPlaybackRate.mMinRate = MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE; 1289 pAudioPlayer->mPlaybackRate.mMaxRate = MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE; 1290 break; 1291 default: 1292 // use the default range 1293 break; 1294 } 1295 1296 } 1297 1298 1299 //----------------------------------------------------------------------------- 1300 SLresult android_audioPlayer_setConfig(CAudioPlayer *ap, const SLchar *configKey, 1301 const void *pConfigValue, SLuint32 valueSize) { 1302 1303 SLresult result; 1304 1305 assert(NULL != ap && NULL != configKey && NULL != pConfigValue); 1306 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1307 1308 // stream type 1309 if (KEY_STREAM_TYPE_PARAMSIZE > valueSize) { 1310 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1311 result = SL_RESULT_BUFFER_INSUFFICIENT; 1312 } else { 1313 result = audioPlayer_setStreamType(ap, *(SLuint32*)pConfigValue); 1314 } 1315 1316 } else { 1317 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 1318 result = SL_RESULT_PARAMETER_INVALID; 1319 } 1320 1321 return result; 1322 } 1323 1324 1325 //----------------------------------------------------------------------------- 1326 SLresult android_audioPlayer_getConfig(CAudioPlayer* ap, const SLchar *configKey, 1327 SLuint32* pValueSize, void *pConfigValue) { 1328 1329 SLresult result; 1330 1331 assert(NULL != ap && NULL != configKey && NULL != pValueSize); 1332 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1333 1334 // stream type 1335 if (NULL == pConfigValue) { 1336 result = SL_RESULT_SUCCESS; 1337 } else if (KEY_STREAM_TYPE_PARAMSIZE > *pValueSize) { 1338 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1339 result = SL_RESULT_BUFFER_INSUFFICIENT; 1340 } else { 1341 result = audioPlayer_getStreamType(ap, (SLint32*)pConfigValue); 1342 } 1343 *pValueSize = KEY_STREAM_TYPE_PARAMSIZE; 1344 1345 } else { 1346 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 1347 result = SL_RESULT_PARAMETER_INVALID; 1348 } 1349 1350 return result; 1351 } 1352 1353 1354 // Called from android_audioPlayer_realize for a PCM buffer queue player 1355 // to determine if it can use a fast track. 1356 static bool canUseFastTrack(CAudioPlayer *pAudioPlayer) 1357 { 1358 assert(pAudioPlayer->mAndroidObjType == AUDIOPLAYER_FROM_PCM_BUFFERQUEUE); 1359 if (pAudioPlayer->mBufferQueue.mNumBuffers < 2) { 1360 return false; 1361 } 1362 1363 // Check a blacklist of interfaces that are incompatible with fast tracks. 1364 // The alternative, to check a whitelist of compatible interfaces, is 1365 // more maintainable but is too slow. As a compromise, in a debug build 1366 // we use both methods and warn if they produce different results. 1367 // In release builds, we only use the blacklist method. 1368 // If a blacklisted interface is added after realization using 1369 // DynamicInterfaceManagement::AddInterface, 1370 // then this won't be detected but the interface will be ineffective. 1371 bool blacklistResult = true; 1372 static const unsigned blacklist[] = { 1373 MPH_BASSBOOST, 1374 MPH_EFFECTSEND, 1375 MPH_ENVIRONMENTALREVERB, 1376 MPH_EQUALIZER, 1377 MPH_PLAYBACKRATE, 1378 MPH_PRESETREVERB, 1379 MPH_VIRTUALIZER, 1380 MPH_ANDROIDEFFECT, 1381 MPH_ANDROIDEFFECTSEND, 1382 // FIXME The problem with a blacklist is remembering to add new interfaces here 1383 }; 1384 for (unsigned i = 0; i < sizeof(blacklist)/sizeof(blacklist[0]); ++i) { 1385 if (IsInterfaceInitialized(&pAudioPlayer->mObject, blacklist[i])) { 1386 blacklistResult = false; 1387 break; 1388 } 1389 } 1390 #if LOG_NDEBUG == 0 1391 bool whitelistResult = true; 1392 static const unsigned whitelist[] = { 1393 MPH_BUFFERQUEUE, 1394 MPH_DYNAMICINTERFACEMANAGEMENT, 1395 MPH_METADATAEXTRACTION, 1396 MPH_MUTESOLO, 1397 MPH_OBJECT, 1398 MPH_PLAY, 1399 MPH_PREFETCHSTATUS, 1400 MPH_VOLUME, 1401 MPH_ANDROIDCONFIGURATION, 1402 MPH_ANDROIDSIMPLEBUFFERQUEUE, 1403 MPH_ANDROIDBUFFERQUEUESOURCE, 1404 }; 1405 for (unsigned mph = MPH_MIN; mph < MPH_MAX; ++mph) { 1406 for (unsigned i = 0; i < sizeof(whitelist)/sizeof(whitelist[0]); ++i) { 1407 if (mph == whitelist[i]) { 1408 goto compatible; 1409 } 1410 } 1411 if (IsInterfaceInitialized(&pAudioPlayer->mObject, mph)) { 1412 whitelistResult = false; 1413 break; 1414 } 1415 compatible: ; 1416 } 1417 if (whitelistResult != blacklistResult) { 1418 ALOGW("whitelistResult != blacklistResult"); 1419 // and use blacklistResult below 1420 } 1421 #endif 1422 return blacklistResult; 1423 } 1424 1425 1426 //----------------------------------------------------------------------------- 1427 // FIXME abstract out the diff between CMediaPlayer and CAudioPlayer 1428 SLresult android_audioPlayer_realize(CAudioPlayer *pAudioPlayer, SLboolean async) { 1429 1430 SLresult result = SL_RESULT_SUCCESS; 1431 SL_LOGV("Realize pAudioPlayer=%p", pAudioPlayer); 1432 1433 AudioPlayback_Parameters app; 1434 app.sessionId = pAudioPlayer->mSessionId; 1435 app.streamType = pAudioPlayer->mStreamType; 1436 1437 switch (pAudioPlayer->mAndroidObjType) { 1438 1439 //----------------------------------- 1440 // AudioTrack 1441 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1442 { 1443 // initialize platform-specific CAudioPlayer fields 1444 1445 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) 1446 pAudioPlayer->mDynamicSource.mDataSource; 1447 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) 1448 pAudioPlayer->mDynamicSource.mDataSource->pFormat; 1449 1450 uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec); 1451 1452 audio_output_flags_t policy; 1453 if (canUseFastTrack(pAudioPlayer)) { 1454 policy = AUDIO_OUTPUT_FLAG_FAST; 1455 } else { 1456 policy = AUDIO_OUTPUT_FLAG_NONE; 1457 } 1458 1459 pAudioPlayer->mAudioTrack = new android::AudioTrack( 1460 pAudioPlayer->mStreamType, // streamType 1461 sampleRate, // sampleRate 1462 sles_to_android_sampleFormat(df_pcm->bitsPerSample), // format 1463 sles_to_android_channelMaskOut(df_pcm->numChannels, df_pcm->channelMask), 1464 // channel mask 1465 0, // frameCount 1466 policy, // flags 1467 audioTrack_callBack_pullFromBuffQueue, // callback 1468 (void *) pAudioPlayer, // user 1469 0, // FIXME find appropriate frame count // notificationFrame 1470 pAudioPlayer->mSessionId); 1471 android::status_t status = pAudioPlayer->mAudioTrack->initCheck(); 1472 if (status != android::NO_ERROR) { 1473 SL_LOGE("AudioTrack::initCheck status %u", status); 1474 result = SL_RESULT_CONTENT_UNSUPPORTED; 1475 pAudioPlayer->mAudioTrack.clear(); 1476 return result; 1477 } 1478 1479 // initialize platform-independent CAudioPlayer fields 1480 1481 pAudioPlayer->mNumChannels = df_pcm->numChannels; 1482 pAudioPlayer->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES 1483 1484 // This use case does not have a separate "prepare" step 1485 pAudioPlayer->mAndroidObjState = ANDROID_READY; 1486 } 1487 break; 1488 1489 //----------------------------------- 1490 // MediaPlayer 1491 case AUDIOPLAYER_FROM_URIFD: { 1492 pAudioPlayer->mAPlayer = new android::LocAVPlayer(&app, false /*hasVideo*/); 1493 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, 1494 (void*)pAudioPlayer /*notifUSer*/); 1495 1496 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1497 case SL_DATALOCATOR_URI: { 1498 // The legacy implementation ran Stagefright within the application process, and 1499 // so allowed local pathnames specified by URI that were openable by 1500 // the application but were not openable by mediaserver. 1501 // The current implementation runs Stagefright (mostly) within mediaserver, 1502 // which runs as a different UID and likely a different current working directory. 1503 // For backwards compatibility with any applications which may have relied on the 1504 // previous behavior, we convert an openable file URI into an FD. 1505 // Note that unlike SL_DATALOCATOR_ANDROIDFD, this FD is owned by us 1506 // and so we close it as soon as we've passed it (via Binder dup) to mediaserver. 1507 const char *uri = (const char *)pAudioPlayer->mDataSource.mLocator.mURI.URI; 1508 if (!isDistantProtocol(uri)) { 1509 // don't touch the original uri, we may need it later 1510 const char *pathname = uri; 1511 // skip over an optional leading file:// prefix 1512 if (!strncasecmp(pathname, "file://", 7)) { 1513 pathname += 7; 1514 } 1515 // attempt to open it as a file using the application's credentials 1516 int fd = ::open(pathname, O_RDONLY); 1517 if (fd >= 0) { 1518 // if open is successful, then check to see if it's a regular file 1519 struct stat statbuf; 1520 if (!::fstat(fd, &statbuf) && S_ISREG(statbuf.st_mode)) { 1521 // treat similarly to an FD data locator, but 1522 // let setDataSource take responsibility for closing fd 1523 pAudioPlayer->mAPlayer->setDataSource(fd, 0, statbuf.st_size, true); 1524 break; 1525 } 1526 // we were able to open it, but it's not a file, so let mediaserver try 1527 (void) ::close(fd); 1528 } 1529 } 1530 // if either the URI didn't look like a file, or open failed, or not a file 1531 pAudioPlayer->mAPlayer->setDataSource(uri); 1532 } break; 1533 case SL_DATALOCATOR_ANDROIDFD: { 1534 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1535 pAudioPlayer->mAPlayer->setDataSource( 1536 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1537 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1538 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1539 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1540 } 1541 break; 1542 default: 1543 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1544 break; 1545 } 1546 1547 } 1548 break; 1549 1550 //----------------------------------- 1551 // StreamPlayer 1552 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: { 1553 android::StreamPlayer* splr = new android::StreamPlayer(&app, false /*hasVideo*/, 1554 &pAudioPlayer->mAndroidBufferQueue, pAudioPlayer->mCallbackProtector); 1555 pAudioPlayer->mAPlayer = splr; 1556 splr->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1557 } 1558 break; 1559 1560 //----------------------------------- 1561 // AudioToCbRenderer 1562 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 1563 android::AudioToCbRenderer* decoder = new android::AudioToCbRenderer(&app); 1564 pAudioPlayer->mAPlayer = decoder; 1565 // configures the callback for the sink buffer queue 1566 decoder->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer); 1567 // configures the callback for the notifications coming from the SF code 1568 decoder->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1569 1570 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1571 case SL_DATALOCATOR_URI: 1572 decoder->setDataSource( 1573 (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI); 1574 break; 1575 case SL_DATALOCATOR_ANDROIDFD: { 1576 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1577 decoder->setDataSource( 1578 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1579 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1580 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1581 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1582 } 1583 break; 1584 default: 1585 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1586 break; 1587 } 1588 1589 } 1590 break; 1591 1592 //----------------------------------- 1593 // AacBqToPcmCbRenderer 1594 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: { 1595 android::AacBqToPcmCbRenderer* bqtobq = new android::AacBqToPcmCbRenderer(&app, 1596 &pAudioPlayer->mAndroidBufferQueue); 1597 // configures the callback for the sink buffer queue 1598 bqtobq->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer); 1599 pAudioPlayer->mAPlayer = bqtobq; 1600 // configures the callback for the notifications coming from the SF code, 1601 // but also implicitly configures the AndroidBufferQueue from which ADTS data is read 1602 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1603 } 1604 break; 1605 1606 //----------------------------------- 1607 default: 1608 SL_LOGE(ERROR_PLAYERREALIZE_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1609 result = SL_RESULT_INTERNAL_ERROR; 1610 break; 1611 } 1612 1613 // proceed with effect initialization 1614 // initialize EQ 1615 // FIXME use a table of effect descriptors when adding support for more effects 1616 if (memcmp(SL_IID_EQUALIZER, &pAudioPlayer->mEqualizer.mEqDescriptor.type, 1617 sizeof(effect_uuid_t)) == 0) { 1618 SL_LOGV("Need to initialize EQ for AudioPlayer=%p", pAudioPlayer); 1619 android_eq_init(pAudioPlayer->mSessionId, &pAudioPlayer->mEqualizer); 1620 } 1621 // initialize BassBoost 1622 if (memcmp(SL_IID_BASSBOOST, &pAudioPlayer->mBassBoost.mBassBoostDescriptor.type, 1623 sizeof(effect_uuid_t)) == 0) { 1624 SL_LOGV("Need to initialize BassBoost for AudioPlayer=%p", pAudioPlayer); 1625 android_bb_init(pAudioPlayer->mSessionId, &pAudioPlayer->mBassBoost); 1626 } 1627 // initialize Virtualizer 1628 if (memcmp(SL_IID_VIRTUALIZER, &pAudioPlayer->mVirtualizer.mVirtualizerDescriptor.type, 1629 sizeof(effect_uuid_t)) == 0) { 1630 SL_LOGV("Need to initialize Virtualizer for AudioPlayer=%p", pAudioPlayer); 1631 android_virt_init(pAudioPlayer->mSessionId, &pAudioPlayer->mVirtualizer); 1632 } 1633 1634 // initialize EffectSend 1635 // FIXME initialize EffectSend 1636 1637 return result; 1638 } 1639 1640 1641 //----------------------------------------------------------------------------- 1642 /** 1643 * Called with a lock on AudioPlayer, and blocks until safe to destroy 1644 */ 1645 SLresult android_audioPlayer_preDestroy(CAudioPlayer *pAudioPlayer) { 1646 SL_LOGD("android_audioPlayer_preDestroy(%p)", pAudioPlayer); 1647 SLresult result = SL_RESULT_SUCCESS; 1648 1649 bool disableCallbacksBeforePreDestroy; 1650 switch (pAudioPlayer->mAndroidObjType) { 1651 // Not yet clear why this order is important, but it reduces detected deadlocks 1652 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1653 disableCallbacksBeforePreDestroy = true; 1654 break; 1655 // Use the old behavior for all other use cases until proven 1656 // case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1657 default: 1658 disableCallbacksBeforePreDestroy = false; 1659 break; 1660 } 1661 1662 if (disableCallbacksBeforePreDestroy) { 1663 object_unlock_exclusive(&pAudioPlayer->mObject); 1664 if (pAudioPlayer->mCallbackProtector != 0) { 1665 pAudioPlayer->mCallbackProtector->requestCbExitAndWait(); 1666 } 1667 object_lock_exclusive(&pAudioPlayer->mObject); 1668 } 1669 1670 if (pAudioPlayer->mAPlayer != 0) { 1671 pAudioPlayer->mAPlayer->preDestroy(); 1672 } 1673 SL_LOGD("android_audioPlayer_preDestroy(%p) after mAPlayer->preDestroy()", pAudioPlayer); 1674 1675 if (!disableCallbacksBeforePreDestroy) { 1676 object_unlock_exclusive(&pAudioPlayer->mObject); 1677 if (pAudioPlayer->mCallbackProtector != 0) { 1678 pAudioPlayer->mCallbackProtector->requestCbExitAndWait(); 1679 } 1680 object_lock_exclusive(&pAudioPlayer->mObject); 1681 } 1682 1683 return result; 1684 } 1685 1686 1687 //----------------------------------------------------------------------------- 1688 SLresult android_audioPlayer_destroy(CAudioPlayer *pAudioPlayer) { 1689 SLresult result = SL_RESULT_SUCCESS; 1690 SL_LOGV("android_audioPlayer_destroy(%p)", pAudioPlayer); 1691 switch (pAudioPlayer->mAndroidObjType) { 1692 1693 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1694 // We own the audio track for PCM buffer queue players 1695 if (pAudioPlayer->mAudioTrack != 0) { 1696 pAudioPlayer->mAudioTrack->stop(); 1697 // Note that there may still be another reference in post-unlock phase of SetPlayState 1698 pAudioPlayer->mAudioTrack.clear(); 1699 } 1700 break; 1701 1702 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1703 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1704 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through 1705 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1706 pAudioPlayer->mAPlayer.clear(); 1707 break; 1708 //----------------------------------- 1709 default: 1710 SL_LOGE(ERROR_PLAYERDESTROY_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1711 result = SL_RESULT_INTERNAL_ERROR; 1712 break; 1713 } 1714 1715 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player 1716 // android::AudioSystem::releaseAudioSessionId(pAudioPlayer->mSessionId); 1717 1718 pAudioPlayer->mCallbackProtector.clear(); 1719 1720 // explicit destructor 1721 pAudioPlayer->mAudioTrack.~sp(); 1722 // note that SetPlayState(PLAYING) may still hold a reference 1723 pAudioPlayer->mCallbackProtector.~sp(); 1724 pAudioPlayer->mAuxEffect.~sp(); 1725 pAudioPlayer->mAPlayer.~sp(); 1726 1727 return result; 1728 } 1729 1730 1731 //----------------------------------------------------------------------------- 1732 SLresult android_audioPlayer_setPlaybackRateAndConstraints(CAudioPlayer *ap, SLpermille rate, 1733 SLuint32 constraints) { 1734 SLresult result = SL_RESULT_SUCCESS; 1735 switch(ap->mAndroidObjType) { 1736 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: { 1737 // these asserts were already checked by the platform-independent layer 1738 assert((AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE <= rate) && 1739 (rate <= AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE)); 1740 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO); 1741 // get the content sample rate 1742 uint32_t contentRate = sles_to_android_sampleRate(ap->mSampleRateMilliHz); 1743 // apply the SL ES playback rate on the AudioTrack as a factor of its content sample rate 1744 if (ap->mAudioTrack != 0) { 1745 ap->mAudioTrack->setSampleRate(contentRate * (rate/1000.0f)); 1746 } 1747 } 1748 break; 1749 case AUDIOPLAYER_FROM_URIFD: { 1750 assert((MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE <= rate) && 1751 (rate <= MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE)); 1752 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO); 1753 // apply the SL ES playback rate on the GenericPlayer 1754 if (ap->mAPlayer != 0) { 1755 ap->mAPlayer->setPlaybackRate((int16_t)rate); 1756 } 1757 } 1758 break; 1759 1760 default: 1761 SL_LOGE("Unexpected object type %d", ap->mAndroidObjType); 1762 result = SL_RESULT_FEATURE_UNSUPPORTED; 1763 break; 1764 } 1765 return result; 1766 } 1767 1768 1769 //----------------------------------------------------------------------------- 1770 // precondition 1771 // called with no lock held 1772 // ap != NULL 1773 // pItemCount != NULL 1774 SLresult android_audioPlayer_metadata_getItemCount(CAudioPlayer *ap, SLuint32 *pItemCount) { 1775 if (ap->mAPlayer == 0) { 1776 return SL_RESULT_PARAMETER_INVALID; 1777 } 1778 switch(ap->mAndroidObjType) { 1779 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1780 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1781 { 1782 android::AudioSfDecoder* decoder = 1783 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1784 *pItemCount = decoder->getPcmFormatKeyCount(); 1785 } 1786 break; 1787 default: 1788 *pItemCount = 0; 1789 break; 1790 } 1791 return SL_RESULT_SUCCESS; 1792 } 1793 1794 1795 //----------------------------------------------------------------------------- 1796 // precondition 1797 // called with no lock held 1798 // ap != NULL 1799 // pKeySize != NULL 1800 SLresult android_audioPlayer_metadata_getKeySize(CAudioPlayer *ap, 1801 SLuint32 index, SLuint32 *pKeySize) { 1802 if (ap->mAPlayer == 0) { 1803 return SL_RESULT_PARAMETER_INVALID; 1804 } 1805 SLresult res = SL_RESULT_SUCCESS; 1806 switch(ap->mAndroidObjType) { 1807 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1808 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1809 { 1810 android::AudioSfDecoder* decoder = 1811 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1812 SLuint32 keyNameSize = 0; 1813 if (!decoder->getPcmFormatKeySize(index, &keyNameSize)) { 1814 res = SL_RESULT_PARAMETER_INVALID; 1815 } else { 1816 // *pKeySize is the size of the region used to store the key name AND 1817 // the information about the key (size, lang, encoding) 1818 *pKeySize = keyNameSize + sizeof(SLMetadataInfo); 1819 } 1820 } 1821 break; 1822 default: 1823 *pKeySize = 0; 1824 res = SL_RESULT_PARAMETER_INVALID; 1825 break; 1826 } 1827 return res; 1828 } 1829 1830 1831 //----------------------------------------------------------------------------- 1832 // precondition 1833 // called with no lock held 1834 // ap != NULL 1835 // pKey != NULL 1836 SLresult android_audioPlayer_metadata_getKey(CAudioPlayer *ap, 1837 SLuint32 index, SLuint32 size, SLMetadataInfo *pKey) { 1838 if (ap->mAPlayer == 0) { 1839 return SL_RESULT_PARAMETER_INVALID; 1840 } 1841 SLresult res = SL_RESULT_SUCCESS; 1842 switch(ap->mAndroidObjType) { 1843 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1844 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1845 { 1846 android::AudioSfDecoder* decoder = 1847 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1848 if ((size < sizeof(SLMetadataInfo) || 1849 (!decoder->getPcmFormatKeyName(index, size - sizeof(SLMetadataInfo), 1850 (char*)pKey->data)))) { 1851 res = SL_RESULT_PARAMETER_INVALID; 1852 } else { 1853 // successfully retrieved the key value, update the other fields 1854 pKey->encoding = SL_CHARACTERENCODING_UTF8; 1855 memcpy((char *) pKey->langCountry, "en", 3); 1856 pKey->size = strlen((char*)pKey->data) + 1; 1857 } 1858 } 1859 break; 1860 default: 1861 res = SL_RESULT_PARAMETER_INVALID; 1862 break; 1863 } 1864 return res; 1865 } 1866 1867 1868 //----------------------------------------------------------------------------- 1869 // precondition 1870 // called with no lock held 1871 // ap != NULL 1872 // pValueSize != NULL 1873 SLresult android_audioPlayer_metadata_getValueSize(CAudioPlayer *ap, 1874 SLuint32 index, SLuint32 *pValueSize) { 1875 if (ap->mAPlayer == 0) { 1876 return SL_RESULT_PARAMETER_INVALID; 1877 } 1878 SLresult res = SL_RESULT_SUCCESS; 1879 switch(ap->mAndroidObjType) { 1880 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1881 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1882 { 1883 android::AudioSfDecoder* decoder = 1884 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1885 SLuint32 valueSize = 0; 1886 if (!decoder->getPcmFormatValueSize(index, &valueSize)) { 1887 res = SL_RESULT_PARAMETER_INVALID; 1888 } else { 1889 // *pValueSize is the size of the region used to store the key value AND 1890 // the information about the value (size, lang, encoding) 1891 *pValueSize = valueSize + sizeof(SLMetadataInfo); 1892 } 1893 } 1894 break; 1895 default: 1896 *pValueSize = 0; 1897 res = SL_RESULT_PARAMETER_INVALID; 1898 break; 1899 } 1900 return res; 1901 } 1902 1903 1904 //----------------------------------------------------------------------------- 1905 // precondition 1906 // called with no lock held 1907 // ap != NULL 1908 // pValue != NULL 1909 SLresult android_audioPlayer_metadata_getValue(CAudioPlayer *ap, 1910 SLuint32 index, SLuint32 size, SLMetadataInfo *pValue) { 1911 if (ap->mAPlayer == 0) { 1912 return SL_RESULT_PARAMETER_INVALID; 1913 } 1914 SLresult res = SL_RESULT_SUCCESS; 1915 switch(ap->mAndroidObjType) { 1916 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1917 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1918 { 1919 android::AudioSfDecoder* decoder = 1920 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1921 pValue->encoding = SL_CHARACTERENCODING_BINARY; 1922 memcpy((char *) pValue->langCountry, "en", 3); // applicable here? 1923 SLuint32 valueSize = 0; 1924 if ((size < sizeof(SLMetadataInfo) 1925 || (!decoder->getPcmFormatValueSize(index, &valueSize)) 1926 || (!decoder->getPcmFormatKeyValue(index, size - sizeof(SLMetadataInfo), 1927 (SLuint32*)pValue->data)))) { 1928 res = SL_RESULT_PARAMETER_INVALID; 1929 } else { 1930 pValue->size = valueSize; 1931 } 1932 } 1933 break; 1934 default: 1935 res = SL_RESULT_PARAMETER_INVALID; 1936 break; 1937 } 1938 return res; 1939 } 1940 1941 //----------------------------------------------------------------------------- 1942 // preconditions 1943 // ap != NULL 1944 // mutex is locked 1945 // play state has changed 1946 void android_audioPlayer_setPlayState(CAudioPlayer *ap) { 1947 1948 SLuint32 playState = ap->mPlay.mState; 1949 AndroidObjectState objState = ap->mAndroidObjState; 1950 1951 switch(ap->mAndroidObjType) { 1952 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1953 switch (playState) { 1954 case SL_PLAYSTATE_STOPPED: 1955 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED"); 1956 if (ap->mAudioTrack != 0) { 1957 ap->mAudioTrack->stop(); 1958 } 1959 break; 1960 case SL_PLAYSTATE_PAUSED: 1961 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED"); 1962 if (ap->mAudioTrack != 0) { 1963 ap->mAudioTrack->pause(); 1964 } 1965 break; 1966 case SL_PLAYSTATE_PLAYING: 1967 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING"); 1968 if (ap->mAudioTrack != 0) { 1969 // instead of ap->mAudioTrack->start(); 1970 ap->mDeferredStart = true; 1971 } 1972 break; 1973 default: 1974 // checked by caller, should not happen 1975 break; 1976 } 1977 break; 1978 1979 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1980 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1981 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through 1982 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1983 // FIXME report and use the return code to the lock mechanism, which is where play state 1984 // changes are updated (see object_unlock_exclusive_attributes()) 1985 aplayer_setPlayState(ap->mAPlayer, playState, &(ap->mAndroidObjState)); 1986 break; 1987 default: 1988 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_UNEXPECTED_OBJECT_TYPE_D, ap->mAndroidObjType); 1989 break; 1990 } 1991 } 1992 1993 1994 //----------------------------------------------------------------------------- 1995 // call when either player event flags, marker position, or position update period changes 1996 void android_audioPlayer_usePlayEventMask(CAudioPlayer *ap) { 1997 IPlay *pPlayItf = &ap->mPlay; 1998 SLuint32 eventFlags = pPlayItf->mEventFlags; 1999 /*switch(ap->mAndroidObjType) { 2000 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:*/ 2001 2002 if (ap->mAPlayer != 0) { 2003 assert(ap->mAudioTrack == 0); 2004 ap->mAPlayer->setPlayEvents((int32_t) eventFlags, (int32_t) pPlayItf->mMarkerPosition, 2005 (int32_t) pPlayItf->mPositionUpdatePeriod); 2006 return; 2007 } 2008 2009 if (ap->mAudioTrack == 0) { 2010 return; 2011 } 2012 2013 if (eventFlags & SL_PLAYEVENT_HEADATMARKER) { 2014 ap->mAudioTrack->setMarkerPosition((uint32_t)((((int64_t)pPlayItf->mMarkerPosition 2015 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 2016 } else { 2017 // clear marker 2018 ap->mAudioTrack->setMarkerPosition(0); 2019 } 2020 2021 if (eventFlags & SL_PLAYEVENT_HEADATNEWPOS) { 2022 ap->mAudioTrack->setPositionUpdatePeriod( 2023 (uint32_t)((((int64_t)pPlayItf->mPositionUpdatePeriod 2024 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 2025 } else { 2026 // clear periodic update 2027 ap->mAudioTrack->setPositionUpdatePeriod(0); 2028 } 2029 2030 if (eventFlags & SL_PLAYEVENT_HEADATEND) { 2031 // nothing to do for SL_PLAYEVENT_HEADATEND, callback event will be checked against mask 2032 } 2033 2034 if (eventFlags & SL_PLAYEVENT_HEADMOVING) { 2035 // FIXME support SL_PLAYEVENT_HEADMOVING 2036 SL_LOGD("[ FIXME: IPlay_SetCallbackEventsMask(SL_PLAYEVENT_HEADMOVING) on an " 2037 "SL_OBJECTID_AUDIOPLAYER to be implemented ]"); 2038 } 2039 if (eventFlags & SL_PLAYEVENT_HEADSTALLED) { 2040 // nothing to do for SL_PLAYEVENT_HEADSTALLED, callback event will be checked against mask 2041 } 2042 2043 } 2044 2045 2046 //----------------------------------------------------------------------------- 2047 SLresult android_audioPlayer_getDuration(IPlay *pPlayItf, SLmillisecond *pDurMsec) { 2048 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 2049 switch(ap->mAndroidObjType) { 2050 2051 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2052 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 2053 int32_t durationMsec = ANDROID_UNKNOWN_TIME; 2054 if (ap->mAPlayer != 0) { 2055 ap->mAPlayer->getDurationMsec(&durationMsec); 2056 } 2057 *pDurMsec = durationMsec == ANDROID_UNKNOWN_TIME ? SL_TIME_UNKNOWN : durationMsec; 2058 break; 2059 } 2060 2061 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2062 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2063 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2064 default: { 2065 *pDurMsec = SL_TIME_UNKNOWN; 2066 } 2067 } 2068 return SL_RESULT_SUCCESS; 2069 } 2070 2071 2072 //----------------------------------------------------------------------------- 2073 void android_audioPlayer_getPosition(IPlay *pPlayItf, SLmillisecond *pPosMsec) { 2074 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 2075 switch(ap->mAndroidObjType) { 2076 2077 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2078 if ((ap->mSampleRateMilliHz == UNKNOWN_SAMPLERATE) || (ap->mAudioTrack == 0)) { 2079 *pPosMsec = 0; 2080 } else { 2081 uint32_t positionInFrames; 2082 ap->mAudioTrack->getPosition(&positionInFrames); 2083 *pPosMsec = ((int64_t)positionInFrames * 1000) / 2084 sles_to_android_sampleRate(ap->mSampleRateMilliHz); 2085 } 2086 break; 2087 2088 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2089 case AUDIOPLAYER_FROM_URIFD: 2090 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2091 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: { 2092 int32_t posMsec = ANDROID_UNKNOWN_TIME; 2093 if (ap->mAPlayer != 0) { 2094 ap->mAPlayer->getPositionMsec(&posMsec); 2095 } 2096 *pPosMsec = posMsec == ANDROID_UNKNOWN_TIME ? 0 : posMsec; 2097 break; 2098 } 2099 2100 default: 2101 *pPosMsec = 0; 2102 } 2103 } 2104 2105 2106 //----------------------------------------------------------------------------- 2107 SLresult android_audioPlayer_seek(CAudioPlayer *ap, SLmillisecond posMsec) { 2108 SLresult result = SL_RESULT_SUCCESS; 2109 2110 switch(ap->mAndroidObjType) { 2111 2112 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: // intended fall-through 2113 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2114 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2115 result = SL_RESULT_FEATURE_UNSUPPORTED; 2116 break; 2117 2118 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2119 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2120 if (ap->mAPlayer != 0) { 2121 ap->mAPlayer->seek(posMsec); 2122 } 2123 break; 2124 2125 default: 2126 break; 2127 } 2128 return result; 2129 } 2130 2131 2132 //----------------------------------------------------------------------------- 2133 SLresult android_audioPlayer_loop(CAudioPlayer *ap, SLboolean loopEnable) { 2134 SLresult result = SL_RESULT_SUCCESS; 2135 2136 switch (ap->mAndroidObjType) { 2137 case AUDIOPLAYER_FROM_URIFD: 2138 // case AUDIOPLAY_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2139 // would actually work, but what's the point? 2140 if (ap->mAPlayer != 0) { 2141 ap->mAPlayer->loop((bool)loopEnable); 2142 } 2143 break; 2144 default: 2145 result = SL_RESULT_FEATURE_UNSUPPORTED; 2146 break; 2147 } 2148 return result; 2149 } 2150 2151 2152 //----------------------------------------------------------------------------- 2153 SLresult android_audioPlayer_setBufferingUpdateThresholdPerMille(CAudioPlayer *ap, 2154 SLpermille threshold) { 2155 SLresult result = SL_RESULT_SUCCESS; 2156 2157 switch (ap->mAndroidObjType) { 2158 case AUDIOPLAYER_FROM_URIFD: 2159 if (ap->mAPlayer != 0) { 2160 ap->mAPlayer->setBufferingUpdateThreshold(threshold / 10); 2161 } 2162 break; 2163 2164 default: {} 2165 } 2166 2167 return result; 2168 } 2169 2170 2171 //----------------------------------------------------------------------------- 2172 void android_audioPlayer_bufferQueue_onRefilled_l(CAudioPlayer *ap) { 2173 // the AudioTrack associated with the AudioPlayer receiving audio from a PCM buffer 2174 // queue was stopped when the queue become empty, we restart as soon as a new buffer 2175 // has been enqueued since we're in playing state 2176 if (ap->mAudioTrack != 0) { 2177 // instead of ap->mAudioTrack->start(); 2178 ap->mDeferredStart = true; 2179 } 2180 2181 // when the queue became empty, an underflow on the prefetch status itf was sent. Now the queue 2182 // has received new data, signal it has sufficient data 2183 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 2184 // we wouldn't have been called unless we were previously in the underflow state 2185 assert(SL_PREFETCHSTATUS_UNDERFLOW == ap->mPrefetchStatus.mStatus); 2186 assert(0 == ap->mPrefetchStatus.mLevel); 2187 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA; 2188 ap->mPrefetchStatus.mLevel = 1000; 2189 // callback or no callback? 2190 SLuint32 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask & 2191 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE); 2192 if (SL_PREFETCHEVENT_NONE != prefetchEvents) { 2193 ap->mPrefetchStatus.mDeferredPrefetchCallback = ap->mPrefetchStatus.mCallback; 2194 ap->mPrefetchStatus.mDeferredPrefetchContext = ap->mPrefetchStatus.mContext; 2195 ap->mPrefetchStatus.mDeferredPrefetchEvents = prefetchEvents; 2196 } 2197 } 2198 } 2199 2200 2201 //----------------------------------------------------------------------------- 2202 /* 2203 * BufferQueue::Clear 2204 */ 2205 SLresult android_audioPlayer_bufferQueue_onClear(CAudioPlayer *ap) { 2206 SLresult result = SL_RESULT_SUCCESS; 2207 2208 switch (ap->mAndroidObjType) { 2209 //----------------------------------- 2210 // AudioTrack 2211 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2212 if (ap->mAudioTrack != 0) { 2213 ap->mAudioTrack->flush(); 2214 } 2215 break; 2216 default: 2217 result = SL_RESULT_INTERNAL_ERROR; 2218 break; 2219 } 2220 2221 return result; 2222 } 2223 2224 2225 //----------------------------------------------------------------------------- 2226 void android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer *ap) { 2227 switch (ap->mAndroidObjType) { 2228 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2229 if (ap->mAPlayer != 0) { 2230 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2231 splr->appClear_l(); 2232 } break; 2233 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2234 // nothing to do here, fall through 2235 default: 2236 break; 2237 } 2238 } 2239 2240 void android_audioPlayer_androidBufferQueue_onRefilled_l(CAudioPlayer *ap) { 2241 switch (ap->mAndroidObjType) { 2242 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2243 if (ap->mAPlayer != 0) { 2244 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2245 splr->queueRefilled(); 2246 } break; 2247 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2248 // FIXME this may require waking up the decoder if it is currently starved and isn't polling 2249 default: 2250 break; 2251 } 2252 } 2253
