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