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 #include "android/channels.h" 24 25 #include <fcntl.h> 26 #include <sys/stat.h> 27 28 #include <system/audio.h> 29 30 template class android::KeyedVector<SLuint32, 31 android::sp<android::AudioEffect> > ; 32 33 #define KEY_STREAM_TYPE_PARAMSIZE sizeof(SLint32) 34 35 #define AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE 500 36 #define AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE 2000 37 38 #define MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE 39 #define MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE 40 41 //----------------------------------------------------------------------------- 42 // FIXME this method will be absorbed into android_audioPlayer_setPlayState() once 43 // bufferqueue and uri/fd playback are moved under the GenericPlayer C++ object 44 SLresult aplayer_setPlayState(const android::sp<android::GenericPlayer> &ap, SLuint32 playState, 45 AndroidObjectState* pObjState) { 46 SLresult result = SL_RESULT_SUCCESS; 47 AndroidObjectState objState = *pObjState; 48 49 switch (playState) { 50 case SL_PLAYSTATE_STOPPED: 51 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_STOPPED"); 52 ap->stop(); 53 break; 54 case SL_PLAYSTATE_PAUSED: 55 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PAUSED"); 56 switch (objState) { 57 case ANDROID_UNINITIALIZED: 58 *pObjState = ANDROID_PREPARING; 59 ap->prepare(); 60 break; 61 case ANDROID_PREPARING: 62 break; 63 case ANDROID_READY: 64 ap->pause(); 65 break; 66 default: 67 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState); 68 result = SL_RESULT_INTERNAL_ERROR; 69 break; 70 } 71 break; 72 case SL_PLAYSTATE_PLAYING: { 73 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PLAYING"); 74 switch (objState) { 75 case ANDROID_UNINITIALIZED: 76 *pObjState = ANDROID_PREPARING; 77 ap->prepare(); 78 // intended fall through 79 case ANDROID_PREPARING: 80 // intended fall through 81 case ANDROID_READY: 82 ap->play(); 83 break; 84 default: 85 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState); 86 result = SL_RESULT_INTERNAL_ERROR; 87 break; 88 } 89 } 90 break; 91 default: 92 // checked by caller, should not happen 93 SL_LOGE(ERROR_SHOULDNT_BE_HERE_S, "aplayer_setPlayState"); 94 result = SL_RESULT_INTERNAL_ERROR; 95 break; 96 } 97 98 return result; 99 } 100 101 102 //----------------------------------------------------------------------------- 103 // Callback associated with a AudioToCbRenderer of an SL ES AudioPlayer that gets its data 104 // from a URI or FD, to write the decoded audio data to a buffer queue 105 static size_t adecoder_writeToBufferQueue(const uint8_t *data, size_t size, CAudioPlayer* ap) { 106 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 107 // it is not safe to enter the callback (the player is about to go away) 108 return 0; 109 } 110 size_t sizeConsumed = 0; 111 SL_LOGD("received %d bytes from decoder", size); 112 slBufferQueueCallback callback = NULL; 113 void * callbackPContext = NULL; 114 115 // push decoded data to the buffer queue 116 object_lock_exclusive(&ap->mObject); 117 118 if (ap->mBufferQueue.mState.count != 0) { 119 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear); 120 121 BufferHeader *oldFront = ap->mBufferQueue.mFront; 122 BufferHeader *newFront = &oldFront[1]; 123 124 uint8_t *pDest = (uint8_t *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed; 125 if (ap->mBufferQueue.mSizeConsumed + size < oldFront->mSize) { 126 // room to consume the whole or rest of the decoded data in one shot 127 ap->mBufferQueue.mSizeConsumed += size; 128 // consume data but no callback to the BufferQueue interface here 129 memcpy(pDest, data, size); 130 sizeConsumed = size; 131 } else { 132 // push as much as possible of the decoded data into the buffer queue 133 sizeConsumed = oldFront->mSize - ap->mBufferQueue.mSizeConsumed; 134 135 // the buffer at the head of the buffer queue is full, update the state 136 ap->mBufferQueue.mSizeConsumed = 0; 137 if (newFront == &ap->mBufferQueue.mArray[ap->mBufferQueue.mNumBuffers + 1]) { 138 newFront = ap->mBufferQueue.mArray; 139 } 140 ap->mBufferQueue.mFront = newFront; 141 142 ap->mBufferQueue.mState.count--; 143 ap->mBufferQueue.mState.playIndex++; 144 // consume data 145 memcpy(pDest, data, sizeConsumed); 146 // data has been copied to the buffer, and the buffer queue state has been updated 147 // we will notify the client if applicable 148 callback = ap->mBufferQueue.mCallback; 149 // save callback data 150 callbackPContext = ap->mBufferQueue.mContext; 151 } 152 153 } else { 154 // no available buffers in the queue to write the decoded data 155 sizeConsumed = 0; 156 } 157 158 object_unlock_exclusive(&ap->mObject); 159 // notify client 160 if (NULL != callback) { 161 (*callback)(&ap->mBufferQueue.mItf, callbackPContext); 162 } 163 164 ap->mCallbackProtector->exitCb(); 165 return sizeConsumed; 166 } 167 168 169 //----------------------------------------------------------------------------- 170 #define LEFT_CHANNEL_MASK AUDIO_CHANNEL_OUT_FRONT_LEFT 171 #define RIGHT_CHANNEL_MASK AUDIO_CHANNEL_OUT_FRONT_RIGHT 172 173 void android_audioPlayer_volumeUpdate(CAudioPlayer* ap) 174 { 175 assert(ap != NULL); 176 177 // the source's channel count, where zero means unknown 178 SLuint8 channelCount = ap->mNumChannels; 179 180 // whether each channel is audible 181 bool leftAudibilityFactor, rightAudibilityFactor; 182 183 // mute has priority over solo 184 if (channelCount >= STEREO_CHANNELS) { 185 if (ap->mMuteMask & LEFT_CHANNEL_MASK) { 186 // left muted 187 leftAudibilityFactor = false; 188 } else { 189 // left not muted 190 if (ap->mSoloMask & LEFT_CHANNEL_MASK) { 191 // left soloed 192 leftAudibilityFactor = true; 193 } else { 194 // left not soloed 195 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) { 196 // right solo silences left 197 leftAudibilityFactor = false; 198 } else { 199 // left and right are not soloed, and left is not muted 200 leftAudibilityFactor = true; 201 } 202 } 203 } 204 205 if (ap->mMuteMask & RIGHT_CHANNEL_MASK) { 206 // right muted 207 rightAudibilityFactor = false; 208 } else { 209 // right not muted 210 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) { 211 // right soloed 212 rightAudibilityFactor = true; 213 } else { 214 // right not soloed 215 if (ap->mSoloMask & LEFT_CHANNEL_MASK) { 216 // left solo silences right 217 rightAudibilityFactor = false; 218 } else { 219 // left and right are not soloed, and right is not muted 220 rightAudibilityFactor = true; 221 } 222 } 223 } 224 225 // channel mute and solo are ignored for mono and unknown channel count sources 226 } else { 227 leftAudibilityFactor = true; 228 rightAudibilityFactor = true; 229 } 230 231 // compute volumes without setting 232 const bool audibilityFactors[2] = {leftAudibilityFactor, rightAudibilityFactor}; 233 float volumes[2]; 234 android_player_volumeUpdate(volumes, &ap->mVolume, channelCount, ap->mAmplFromDirectLevel, 235 audibilityFactors); 236 float leftVol = volumes[0], rightVol = volumes[1]; 237 238 // set volume on the underlying media player or audio track 239 if (ap->mAPlayer != 0) { 240 ap->mAPlayer->setVolume(leftVol, rightVol); 241 } else if (ap->mAudioTrack != 0) { 242 ap->mAudioTrack->setVolume(leftVol, rightVol); 243 } 244 245 // changes in the AudioPlayer volume must be reflected in the send level: 246 // in SLEffectSendItf or in SLAndroidEffectSendItf? 247 // FIXME replace interface test by an internal API once we have one. 248 if (NULL != ap->mEffectSend.mItf) { 249 for (unsigned int i=0 ; i<AUX_MAX ; i++) { 250 if (ap->mEffectSend.mEnableLevels[i].mEnable) { 251 android_fxSend_setSendLevel(ap, 252 ap->mEffectSend.mEnableLevels[i].mSendLevel + ap->mVolume.mLevel); 253 // there's a single aux bus on Android, so we can stop looking once the first 254 // aux effect is found. 255 break; 256 } 257 } 258 } else if (NULL != ap->mAndroidEffectSend.mItf) { 259 android_fxSend_setSendLevel(ap, ap->mAndroidEffectSend.mSendLevel + ap->mVolume.mLevel); 260 } 261 } 262 263 // Called by android_audioPlayer_volumeUpdate and android_mediaPlayer_volumeUpdate to compute 264 // volumes, but setting volumes is handled by the caller. 265 266 void android_player_volumeUpdate(float *pVolumes /*[2]*/, const IVolume *volumeItf, unsigned 267 channelCount, float amplFromDirectLevel, const bool *audibilityFactors /*[2]*/) 268 { 269 assert(pVolumes != NULL); 270 assert(volumeItf != NULL); 271 // OK for audibilityFactors to be NULL 272 273 bool leftAudibilityFactor, rightAudibilityFactor; 274 275 // apply player mute factor 276 // note that AudioTrack has mute() but not MediaPlayer, so it's easier to use volume 277 // to mute for both rather than calling mute() for AudioTrack 278 279 // player is muted 280 if (volumeItf->mMute) { 281 leftAudibilityFactor = false; 282 rightAudibilityFactor = false; 283 // player isn't muted, and channel mute/solo audibility factors are available (AudioPlayer) 284 } else if (audibilityFactors != NULL) { 285 leftAudibilityFactor = audibilityFactors[0]; 286 rightAudibilityFactor = audibilityFactors[1]; 287 // player isn't muted, and channel mute/solo audibility factors aren't available (MediaPlayer) 288 } else { 289 leftAudibilityFactor = true; 290 rightAudibilityFactor = true; 291 } 292 293 // compute amplification as the combination of volume level and stereo position 294 // amplification (or attenuation) from volume level 295 float amplFromVolLevel = sles_to_android_amplification(volumeItf->mLevel); 296 // amplification from direct level (changed in SLEffectSendtItf and SLAndroidEffectSendItf) 297 float leftVol = amplFromVolLevel * amplFromDirectLevel; 298 float rightVol = leftVol; 299 300 // amplification from stereo position 301 if (volumeItf->mEnableStereoPosition) { 302 // Left/right amplification (can be attenuations) factors derived for the StereoPosition 303 float amplFromStereoPos[STEREO_CHANNELS]; 304 // panning law depends on content channel count: mono to stereo panning vs stereo balance 305 if (1 == channelCount) { 306 // mono to stereo panning 307 double theta = (1000+volumeItf->mStereoPosition)*M_PI_4/1000.0f; // 0 <= theta <= Pi/2 308 amplFromStereoPos[0] = cos(theta); 309 amplFromStereoPos[1] = sin(theta); 310 // channel count is 0 (unknown), 2 (stereo), or > 2 (multi-channel) 311 } else { 312 // stereo balance 313 if (volumeItf->mStereoPosition > 0) { 314 amplFromStereoPos[0] = (1000-volumeItf->mStereoPosition)/1000.0f; 315 amplFromStereoPos[1] = 1.0f; 316 } else { 317 amplFromStereoPos[0] = 1.0f; 318 amplFromStereoPos[1] = (1000+volumeItf->mStereoPosition)/1000.0f; 319 } 320 } 321 leftVol *= amplFromStereoPos[0]; 322 rightVol *= amplFromStereoPos[1]; 323 } 324 325 // apply audibility factors 326 if (!leftAudibilityFactor) { 327 leftVol = 0.0; 328 } 329 if (!rightAudibilityFactor) { 330 rightVol = 0.0; 331 } 332 333 // return the computed volumes 334 pVolumes[0] = leftVol; 335 pVolumes[1] = rightVol; 336 } 337 338 //----------------------------------------------------------------------------- 339 void audioTrack_handleMarker_lockPlay(CAudioPlayer* ap) { 340 //SL_LOGV("received event EVENT_MARKER from AudioTrack"); 341 slPlayCallback callback = NULL; 342 void* callbackPContext = NULL; 343 344 interface_lock_shared(&ap->mPlay); 345 callback = ap->mPlay.mCallback; 346 callbackPContext = ap->mPlay.mContext; 347 interface_unlock_shared(&ap->mPlay); 348 349 if (NULL != callback) { 350 // getting this event implies SL_PLAYEVENT_HEADATMARKER was set in the event mask 351 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATMARKER); 352 } 353 } 354 355 //----------------------------------------------------------------------------- 356 void audioTrack_handleNewPos_lockPlay(CAudioPlayer* ap) { 357 //SL_LOGV("received event EVENT_NEW_POS from AudioTrack"); 358 slPlayCallback callback = NULL; 359 void* callbackPContext = NULL; 360 361 interface_lock_shared(&ap->mPlay); 362 callback = ap->mPlay.mCallback; 363 callbackPContext = ap->mPlay.mContext; 364 interface_unlock_shared(&ap->mPlay); 365 366 if (NULL != callback) { 367 // getting this event implies SL_PLAYEVENT_HEADATNEWPOS was set in the event mask 368 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATNEWPOS); 369 } 370 } 371 372 373 //----------------------------------------------------------------------------- 374 void audioTrack_handleUnderrun_lockPlay(CAudioPlayer* ap) { 375 slPlayCallback callback = NULL; 376 void* callbackPContext = NULL; 377 378 interface_lock_shared(&ap->mPlay); 379 callback = ap->mPlay.mCallback; 380 callbackPContext = ap->mPlay.mContext; 381 bool headStalled = (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADSTALLED) != 0; 382 interface_unlock_shared(&ap->mPlay); 383 384 if ((NULL != callback) && headStalled) { 385 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADSTALLED); 386 } 387 } 388 389 390 //----------------------------------------------------------------------------- 391 /** 392 * post-condition: play state of AudioPlayer is SL_PLAYSTATE_PAUSED if setPlayStateToPaused is true 393 * 394 * note: a conditional flag, setPlayStateToPaused, is used here to specify whether the play state 395 * needs to be changed when the player reaches the end of the content to play. This is 396 * relative to what the specification describes for buffer queues vs the 397 * SL_PLAYEVENT_HEADATEND event. In the OpenSL ES specification 1.0.1: 398 * - section 8.12 SLBufferQueueItf states "In the case of starvation due to insufficient 399 * buffers in the queue, the playing of audio data stops. The player remains in the 400 * SL_PLAYSTATE_PLAYING state." 401 * - section 9.2.31 SL_PLAYEVENT states "SL_PLAYEVENT_HEADATEND Playback head is at the end 402 * of the current content and the player has paused." 403 */ 404 void audioPlayer_dispatch_headAtEnd_lockPlay(CAudioPlayer *ap, bool setPlayStateToPaused, 405 bool needToLock) { 406 //SL_LOGV("ap=%p, setPlayStateToPaused=%d, needToLock=%d", ap, setPlayStateToPaused, 407 // needToLock); 408 slPlayCallback playCallback = NULL; 409 void * playContext = NULL; 410 // SLPlayItf callback or no callback? 411 if (needToLock) { 412 interface_lock_exclusive(&ap->mPlay); 413 } 414 if (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADATEND) { 415 playCallback = ap->mPlay.mCallback; 416 playContext = ap->mPlay.mContext; 417 } 418 if (setPlayStateToPaused) { 419 ap->mPlay.mState = SL_PLAYSTATE_PAUSED; 420 } 421 if (needToLock) { 422 interface_unlock_exclusive(&ap->mPlay); 423 } 424 // enqueue callback with no lock held 425 if (NULL != playCallback) { 426 #ifndef USE_ASYNCHRONOUS_PLAY_CALLBACK 427 (*playCallback)(&ap->mPlay.mItf, playContext, SL_PLAYEVENT_HEADATEND); 428 #else 429 SLresult result = EnqueueAsyncCallback_ppi(ap, playCallback, &ap->mPlay.mItf, playContext, 430 SL_PLAYEVENT_HEADATEND); 431 if (SL_RESULT_SUCCESS != result) { 432 ALOGW("Callback %p(%p, %p, SL_PLAYEVENT_HEADATEND) dropped", playCallback, 433 &ap->mPlay.mItf, playContext); 434 } 435 #endif 436 } 437 438 } 439 440 441 //----------------------------------------------------------------------------- 442 SLresult audioPlayer_setStreamType(CAudioPlayer* ap, SLint32 type) { 443 SLresult result = SL_RESULT_SUCCESS; 444 SL_LOGV("type %d", type); 445 446 audio_stream_type_t newStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE; 447 switch (type) { 448 case SL_ANDROID_STREAM_VOICE: 449 newStreamType = AUDIO_STREAM_VOICE_CALL; 450 break; 451 case SL_ANDROID_STREAM_SYSTEM: 452 newStreamType = AUDIO_STREAM_SYSTEM; 453 break; 454 case SL_ANDROID_STREAM_RING: 455 newStreamType = AUDIO_STREAM_RING; 456 break; 457 case SL_ANDROID_STREAM_MEDIA: 458 newStreamType = AUDIO_STREAM_MUSIC; 459 break; 460 case SL_ANDROID_STREAM_ALARM: 461 newStreamType = AUDIO_STREAM_ALARM; 462 break; 463 case SL_ANDROID_STREAM_NOTIFICATION: 464 newStreamType = AUDIO_STREAM_NOTIFICATION; 465 break; 466 default: 467 SL_LOGE(ERROR_PLAYERSTREAMTYPE_SET_UNKNOWN_TYPE); 468 result = SL_RESULT_PARAMETER_INVALID; 469 break; 470 } 471 472 // stream type needs to be set before the object is realized 473 // (ap->mAudioTrack is supposed to be NULL until then) 474 if (SL_OBJECT_STATE_UNREALIZED != ap->mObject.mState) { 475 SL_LOGE(ERROR_PLAYERSTREAMTYPE_REALIZED); 476 result = SL_RESULT_PRECONDITIONS_VIOLATED; 477 } else { 478 ap->mStreamType = newStreamType; 479 } 480 481 return result; 482 } 483 484 485 //----------------------------------------------------------------------------- 486 SLresult audioPlayer_getStreamType(CAudioPlayer* ap, SLint32 *pType) { 487 SLresult result = SL_RESULT_SUCCESS; 488 489 switch (ap->mStreamType) { 490 case AUDIO_STREAM_VOICE_CALL: 491 *pType = SL_ANDROID_STREAM_VOICE; 492 break; 493 case AUDIO_STREAM_SYSTEM: 494 *pType = SL_ANDROID_STREAM_SYSTEM; 495 break; 496 case AUDIO_STREAM_RING: 497 *pType = SL_ANDROID_STREAM_RING; 498 break; 499 case AUDIO_STREAM_DEFAULT: 500 case AUDIO_STREAM_MUSIC: 501 *pType = SL_ANDROID_STREAM_MEDIA; 502 break; 503 case AUDIO_STREAM_ALARM: 504 *pType = SL_ANDROID_STREAM_ALARM; 505 break; 506 case AUDIO_STREAM_NOTIFICATION: 507 *pType = SL_ANDROID_STREAM_NOTIFICATION; 508 break; 509 default: 510 result = SL_RESULT_INTERNAL_ERROR; 511 *pType = SL_ANDROID_STREAM_MEDIA; 512 break; 513 } 514 515 return result; 516 } 517 518 519 //----------------------------------------------------------------------------- 520 void audioPlayer_auxEffectUpdate(CAudioPlayer* ap) { 521 if ((ap->mAudioTrack != 0) && (ap->mAuxEffect != 0)) { 522 android_fxSend_attach(ap, true, ap->mAuxEffect, ap->mVolume.mLevel + ap->mAuxSendLevel); 523 } 524 } 525 526 527 //----------------------------------------------------------------------------- 528 /* 529 * returns true if the given data sink is supported by AudioPlayer that doesn't 530 * play to an OutputMix object, false otherwise 531 * 532 * pre-condition: the locator of the audio sink is not SL_DATALOCATOR_OUTPUTMIX 533 */ 534 bool audioPlayer_isSupportedNonOutputMixSink(const SLDataSink* pAudioSink) { 535 bool result = true; 536 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSink->pLocator; 537 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSink->pFormat; 538 539 switch (sinkLocatorType) { 540 541 case SL_DATALOCATOR_BUFFERQUEUE: 542 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 543 if (SL_DATAFORMAT_PCM != sinkFormatType) { 544 SL_LOGE("Unsupported sink format 0x%x, expected SL_DATAFORMAT_PCM", 545 (unsigned)sinkFormatType); 546 result = false; 547 } 548 // it's no use checking the PCM format fields because additional characteristics 549 // such as the number of channels, or sample size are unknown to the player at this stage 550 break; 551 552 default: 553 SL_LOGE("Unsupported sink locator type 0x%x", (unsigned)sinkLocatorType); 554 result = false; 555 break; 556 } 557 558 return result; 559 } 560 561 562 //----------------------------------------------------------------------------- 563 /* 564 * returns the Android object type if the locator type combinations for the source and sinks 565 * are supported by this implementation, INVALID_TYPE otherwise 566 */ 567 static 568 AndroidObjectType audioPlayer_getAndroidObjectTypeForSourceSink(const CAudioPlayer *ap) { 569 570 const SLDataSource *pAudioSrc = &ap->mDataSource.u.mSource; 571 const SLDataSink *pAudioSnk = &ap->mDataSink.u.mSink; 572 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 573 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 574 AndroidObjectType type = INVALID_TYPE; 575 576 //-------------------------------------- 577 // Sink / source matching check: 578 // the following source / sink combinations are supported 579 // SL_DATALOCATOR_BUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 580 // SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 581 // SL_DATALOCATOR_URI / SL_DATALOCATOR_OUTPUTMIX 582 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_OUTPUTMIX 583 // SL_DATALOCATOR_ANDROIDBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 584 // SL_DATALOCATOR_ANDROIDBUFFERQUEUE / SL_DATALOCATOR_BUFFERQUEUE 585 // SL_DATALOCATOR_URI / SL_DATALOCATOR_BUFFERQUEUE 586 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_BUFFERQUEUE 587 // SL_DATALOCATOR_URI / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 588 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 589 switch (sinkLocatorType) { 590 591 case SL_DATALOCATOR_OUTPUTMIX: { 592 switch (sourceLocatorType) { 593 594 // Buffer Queue to AudioTrack 595 case SL_DATALOCATOR_BUFFERQUEUE: 596 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 597 type = AUDIOPLAYER_FROM_PCM_BUFFERQUEUE; 598 break; 599 600 // URI or FD to MediaPlayer 601 case SL_DATALOCATOR_URI: 602 case SL_DATALOCATOR_ANDROIDFD: 603 type = AUDIOPLAYER_FROM_URIFD; 604 break; 605 606 // Android BufferQueue to MediaPlayer (shared memory streaming) 607 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 608 type = AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE; 609 break; 610 611 default: 612 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_OUTPUTMIX sink", 613 (unsigned)sourceLocatorType); 614 break; 615 } 616 } 617 break; 618 619 case SL_DATALOCATOR_BUFFERQUEUE: 620 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 621 switch (sourceLocatorType) { 622 623 // URI or FD decoded to PCM in a buffer queue 624 case SL_DATALOCATOR_URI: 625 case SL_DATALOCATOR_ANDROIDFD: 626 type = AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE; 627 break; 628 629 // AAC ADTS Android buffer queue decoded to PCM in a buffer queue 630 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 631 type = AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE; 632 break; 633 634 default: 635 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_BUFFERQUEUE sink", 636 (unsigned)sourceLocatorType); 637 break; 638 } 639 break; 640 641 default: 642 SL_LOGE("Sink data locator 0x%x not supported", (unsigned)sinkLocatorType); 643 break; 644 } 645 646 return type; 647 } 648 649 650 //----------------------------------------------------------------------------- 651 /* 652 * Callback associated with an SfPlayer of an SL ES AudioPlayer that gets its data 653 * from a URI or FD, for prepare, prefetch, and play events 654 */ 655 static void sfplayer_handlePrefetchEvent(int event, int data1, int data2, void* user) { 656 657 // FIXME see similar code and comment in player_handleMediaPlayerEventNotifications 658 659 if (NULL == user) { 660 return; 661 } 662 663 CAudioPlayer *ap = (CAudioPlayer *)user; 664 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 665 // it is not safe to enter the callback (the track is about to go away) 666 return; 667 } 668 union { 669 char c[sizeof(int)]; 670 int i; 671 } u; 672 u.i = event; 673 SL_LOGV("sfplayer_handlePrefetchEvent(event='%c%c%c%c' (%d), data1=%d, data2=%d, user=%p) from " 674 "SfAudioPlayer", u.c[3], u.c[2], u.c[1], u.c[0], event, data1, data2, user); 675 switch (event) { 676 677 case android::GenericPlayer::kEventPrepared: { 678 SL_LOGV("Received GenericPlayer::kEventPrepared for CAudioPlayer %p", ap); 679 680 // assume no callback 681 slPrefetchCallback callback = NULL; 682 void* callbackPContext; 683 SLuint32 events; 684 685 object_lock_exclusive(&ap->mObject); 686 687 // mark object as prepared; same state is used for successful or unsuccessful prepare 688 assert(ap->mAndroidObjState == ANDROID_PREPARING); 689 ap->mAndroidObjState = ANDROID_READY; 690 691 if (PLAYER_SUCCESS == data1) { 692 // Most of successful prepare completion for ap->mAPlayer 693 // is handled by GenericPlayer and its subclasses. 694 } else { 695 // SfPlayer prepare() failed prefetching, there is no event in SLPrefetchStatus to 696 // indicate a prefetch error, so we signal it by sending simultaneously two events: 697 // - SL_PREFETCHEVENT_FILLLEVELCHANGE with a level of 0 698 // - SL_PREFETCHEVENT_STATUSCHANGE with a status of SL_PREFETCHSTATUS_UNDERFLOW 699 SL_LOGE(ERROR_PLAYER_PREFETCH_d, data1); 700 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 701 ap->mPrefetchStatus.mLevel = 0; 702 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 703 if (!(~ap->mPrefetchStatus.mCallbackEventsMask & 704 (SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE))) { 705 callback = ap->mPrefetchStatus.mCallback; 706 callbackPContext = ap->mPrefetchStatus.mContext; 707 events = SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE; 708 } 709 } 710 } 711 712 object_unlock_exclusive(&ap->mObject); 713 714 // callback with no lock held 715 if (NULL != callback) { 716 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, events); 717 } 718 719 } 720 break; 721 722 case android::GenericPlayer::kEventPrefetchFillLevelUpdate : { 723 if (!IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 724 break; 725 } 726 slPrefetchCallback callback = NULL; 727 void* callbackPContext = NULL; 728 729 // SLPrefetchStatusItf callback or no callback? 730 interface_lock_exclusive(&ap->mPrefetchStatus); 731 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE) { 732 callback = ap->mPrefetchStatus.mCallback; 733 callbackPContext = ap->mPrefetchStatus.mContext; 734 } 735 ap->mPrefetchStatus.mLevel = (SLpermille)data1; 736 interface_unlock_exclusive(&ap->mPrefetchStatus); 737 738 // callback with no lock held 739 if (NULL != callback) { 740 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, 741 SL_PREFETCHEVENT_FILLLEVELCHANGE); 742 } 743 } 744 break; 745 746 case android::GenericPlayer::kEventPrefetchStatusChange: { 747 if (!IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 748 break; 749 } 750 slPrefetchCallback callback = NULL; 751 void* callbackPContext = NULL; 752 753 // SLPrefetchStatusItf callback or no callback? 754 object_lock_exclusive(&ap->mObject); 755 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) { 756 callback = ap->mPrefetchStatus.mCallback; 757 callbackPContext = ap->mPrefetchStatus.mContext; 758 } 759 if (data1 >= android::kStatusIntermediate) { 760 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA; 761 } else if (data1 < android::kStatusIntermediate) { 762 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 763 } 764 object_unlock_exclusive(&ap->mObject); 765 766 // callback with no lock held 767 if (NULL != callback) { 768 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, SL_PREFETCHEVENT_STATUSCHANGE); 769 } 770 } 771 break; 772 773 case android::GenericPlayer::kEventEndOfStream: { 774 audioPlayer_dispatch_headAtEnd_lockPlay(ap, true /*set state to paused?*/, true); 775 if ((ap->mAudioTrack != 0) && (!ap->mSeek.mLoopEnabled)) { 776 ap->mAudioTrack->stop(); 777 } 778 } 779 break; 780 781 case android::GenericPlayer::kEventChannelCount: { 782 object_lock_exclusive(&ap->mObject); 783 if (UNKNOWN_NUMCHANNELS == ap->mNumChannels && UNKNOWN_NUMCHANNELS != data1) { 784 ap->mNumChannels = data1; 785 android_audioPlayer_volumeUpdate(ap); 786 } 787 object_unlock_exclusive(&ap->mObject); 788 } 789 break; 790 791 case android::GenericPlayer::kEventPlay: { 792 slPlayCallback callback = NULL; 793 void* callbackPContext = NULL; 794 795 interface_lock_shared(&ap->mPlay); 796 callback = ap->mPlay.mCallback; 797 callbackPContext = ap->mPlay.mContext; 798 interface_unlock_shared(&ap->mPlay); 799 800 if (NULL != callback) { 801 SLuint32 event = (SLuint32) data1; // SL_PLAYEVENT_HEAD* 802 #ifndef USE_ASYNCHRONOUS_PLAY_CALLBACK 803 // synchronous callback requires a synchronous GetPosition implementation 804 (*callback)(&ap->mPlay.mItf, callbackPContext, event); 805 #else 806 // asynchronous callback works with any GetPosition implementation 807 SLresult result = EnqueueAsyncCallback_ppi(ap, callback, &ap->mPlay.mItf, 808 callbackPContext, event); 809 if (SL_RESULT_SUCCESS != result) { 810 ALOGW("Callback %p(%p, %p, 0x%x) dropped", callback, 811 &ap->mPlay.mItf, callbackPContext, event); 812 } 813 #endif 814 } 815 } 816 break; 817 818 case android::GenericPlayer::kEventErrorAfterPrepare: { 819 SL_LOGV("kEventErrorAfterPrepare"); 820 821 // assume no callback 822 slPrefetchCallback callback = NULL; 823 void* callbackPContext = NULL; 824 825 object_lock_exclusive(&ap->mObject); 826 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 827 ap->mPrefetchStatus.mLevel = 0; 828 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 829 if (!(~ap->mPrefetchStatus.mCallbackEventsMask & 830 (SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE))) { 831 callback = ap->mPrefetchStatus.mCallback; 832 callbackPContext = ap->mPrefetchStatus.mContext; 833 } 834 } 835 object_unlock_exclusive(&ap->mObject); 836 837 // FIXME there's interesting information in data1, but no API to convey it to client 838 SL_LOGE("Error after prepare: %d", data1); 839 840 // callback with no lock held 841 if (NULL != callback) { 842 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, 843 SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE); 844 } 845 846 } 847 break; 848 849 case android::GenericPlayer::kEventHasVideoSize: 850 //SL_LOGW("Unexpected kEventHasVideoSize"); 851 break; 852 853 default: 854 break; 855 } 856 857 ap->mCallbackProtector->exitCb(); 858 } 859 860 // From EffectDownmix.h 861 static 862 const uint32_t kSides = AUDIO_CHANNEL_OUT_SIDE_LEFT | AUDIO_CHANNEL_OUT_SIDE_RIGHT; 863 static 864 const uint32_t kBacks = AUDIO_CHANNEL_OUT_BACK_LEFT | AUDIO_CHANNEL_OUT_BACK_RIGHT; 865 static 866 const uint32_t kUnsupported = 867 AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER | AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER | 868 AUDIO_CHANNEL_OUT_TOP_CENTER | 869 AUDIO_CHANNEL_OUT_TOP_FRONT_LEFT | 870 AUDIO_CHANNEL_OUT_TOP_FRONT_CENTER | 871 AUDIO_CHANNEL_OUT_TOP_FRONT_RIGHT | 872 AUDIO_CHANNEL_OUT_TOP_BACK_LEFT | 873 AUDIO_CHANNEL_OUT_TOP_BACK_CENTER | 874 AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT; 875 876 //TODO(pmclean) This will need to be revisited when arbitrary N-channel support is added. 877 static 878 SLresult android_audioPlayer_validateChannelMask(uint32_t mask, uint32_t numChans) { 879 // Check that the number of channels falls within bounds. 880 if (numChans == 0 || numChans > FCC_8) { 881 return SL_RESULT_CONTENT_UNSUPPORTED; 882 } 883 // Are there the right number of channels in the mask? 884 if (audio_channel_count_from_out_mask(mask) != numChans) { 885 return SL_RESULT_CONTENT_UNSUPPORTED; 886 } 887 // check against unsupported channels 888 if (mask & kUnsupported) { 889 ALOGE("Unsupported channels (top or front left/right of center)"); 890 return SL_RESULT_CONTENT_UNSUPPORTED; 891 } 892 // verify has FL/FR if more than one channel 893 if (numChans > 1 && (mask & AUDIO_CHANNEL_OUT_STEREO) != AUDIO_CHANNEL_OUT_STEREO) { 894 ALOGE("Front channels must be present"); 895 return SL_RESULT_CONTENT_UNSUPPORTED; 896 } 897 // verify uses SIDE as a pair (ok if not using SIDE at all) 898 bool hasSides = false; 899 if ((mask & kSides) != 0) { 900 if ((mask & kSides) != kSides) { 901 ALOGE("Side channels must be used as a pair"); 902 return SL_RESULT_CONTENT_UNSUPPORTED; 903 } 904 hasSides = true; 905 } 906 // verify uses BACK as a pair (ok if not using BACK at all) 907 bool hasBacks = false; 908 if ((mask & kBacks) != 0) { 909 if ((mask & kBacks) != kBacks) { 910 ALOGE("Back channels must be used as a pair"); 911 return SL_RESULT_CONTENT_UNSUPPORTED; 912 } 913 hasBacks = true; 914 } 915 916 return SL_RESULT_SUCCESS; 917 } 918 919 //----------------------------------------------------------------------------- 920 SLresult android_audioPlayer_checkSourceSink(CAudioPlayer *pAudioPlayer) 921 { 922 // verify that the locator types for the source / sink combination is supported 923 pAudioPlayer->mAndroidObjType = audioPlayer_getAndroidObjectTypeForSourceSink(pAudioPlayer); 924 if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) { 925 return SL_RESULT_PARAMETER_INVALID; 926 } 927 928 const SLDataSource *pAudioSrc = &pAudioPlayer->mDataSource.u.mSource; 929 const SLDataSink *pAudioSnk = &pAudioPlayer->mDataSink.u.mSink; 930 931 // format check: 932 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 933 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 934 const SLuint32 sourceFormatType = *(SLuint32 *)pAudioSrc->pFormat; 935 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSnk->pFormat; 936 937 const SLuint32 *df_representation = NULL; // pointer to representation field, if it exists 938 939 switch (sourceLocatorType) { 940 //------------------ 941 // Buffer Queues 942 case SL_DATALOCATOR_BUFFERQUEUE: 943 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 944 { 945 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) pAudioSrc->pLocator; 946 947 // Buffer format 948 switch (sourceFormatType) { 949 // currently only PCM buffer queues are supported, 950 case SL_ANDROID_DATAFORMAT_PCM_EX: { 951 const SLAndroidDataFormat_PCM_EX *df_pcm = 952 (const SLAndroidDataFormat_PCM_EX *) pAudioSrc->pFormat; 953 // checkDataFormat() already checked representation 954 df_representation = &df_pcm->representation; 955 } // SL_ANDROID_DATAFORMAT_PCM_EX - fall through to next test. 956 case SL_DATAFORMAT_PCM: { 957 // checkDataFormat() already did generic checks, now do the Android-specific checks 958 const SLDataFormat_PCM *df_pcm = (const SLDataFormat_PCM *) pAudioSrc->pFormat; 959 SLresult result = android_audioPlayer_validateChannelMask(df_pcm->channelMask, 960 df_pcm->numChannels); 961 if (result != SL_RESULT_SUCCESS) { 962 SL_LOGE("Cannot create audio player: unsupported PCM data source with %u channels", 963 (unsigned) df_pcm->numChannels); 964 return result; 965 } 966 967 // checkDataFormat() already checked sample rate 968 969 // checkDataFormat() already checked bits per sample, container size, and representation 970 971 // FIXME confirm the following 972 // df_pcm->channelMask: the earlier platform-independent check and the 973 // upcoming check by sles_to_android_channelMaskOut are sufficient 974 975 if (df_pcm->endianness != pAudioPlayer->mObject.mEngine->mEngine.mNativeEndianness) { 976 SL_LOGE("Cannot create audio player: unsupported byte order %u", 977 df_pcm->endianness); 978 return SL_RESULT_CONTENT_UNSUPPORTED; 979 } 980 981 // we don't support container size != sample depth 982 if (df_pcm->containerSize != df_pcm->bitsPerSample) { 983 SL_LOGE("Cannot create audio player: unsupported container size %u bits for " 984 "sample depth %u bits", 985 df_pcm->containerSize, (SLuint32)df_pcm->bitsPerSample); 986 return SL_RESULT_CONTENT_UNSUPPORTED; 987 } 988 989 } //case SL_DATAFORMAT_PCM 990 break; 991 case SL_DATAFORMAT_MIME: 992 case XA_DATAFORMAT_RAWIMAGE: 993 SL_LOGE("Cannot create audio player with buffer queue data source " 994 "without SL_DATAFORMAT_PCM format"); 995 return SL_RESULT_CONTENT_UNSUPPORTED; 996 default: 997 // invalid data format is detected earlier 998 assert(false); 999 return SL_RESULT_INTERNAL_ERROR; 1000 } // switch (sourceFormatType) 1001 } // case SL_DATALOCATOR_BUFFERQUEUE or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 1002 break; 1003 //------------------ 1004 // URI 1005 case SL_DATALOCATOR_URI: 1006 { 1007 SLDataLocator_URI *dl_uri = (SLDataLocator_URI *) pAudioSrc->pLocator; 1008 if (NULL == dl_uri->URI) { 1009 return SL_RESULT_PARAMETER_INVALID; 1010 } 1011 // URI format 1012 switch (sourceFormatType) { 1013 case SL_DATAFORMAT_MIME: 1014 break; 1015 default: 1016 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_URI data source without " 1017 "SL_DATAFORMAT_MIME format"); 1018 return SL_RESULT_CONTENT_UNSUPPORTED; 1019 } // switch (sourceFormatType) 1020 // decoding format check 1021 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 1022 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 1023 return SL_RESULT_CONTENT_UNSUPPORTED; 1024 } 1025 } // case SL_DATALOCATOR_URI 1026 break; 1027 //------------------ 1028 // File Descriptor 1029 case SL_DATALOCATOR_ANDROIDFD: 1030 { 1031 // fd is already non null 1032 switch (sourceFormatType) { 1033 case SL_DATAFORMAT_MIME: 1034 break; 1035 default: 1036 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_ANDROIDFD data source " 1037 "without SL_DATAFORMAT_MIME format"); 1038 return SL_RESULT_CONTENT_UNSUPPORTED; 1039 } // switch (sourceFormatType) 1040 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 1041 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 1042 return SL_RESULT_CONTENT_UNSUPPORTED; 1043 } 1044 } // case SL_DATALOCATOR_ANDROIDFD 1045 break; 1046 //------------------ 1047 // Stream 1048 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 1049 { 1050 switch (sourceFormatType) { 1051 case SL_DATAFORMAT_MIME: 1052 { 1053 SLDataFormat_MIME *df_mime = (SLDataFormat_MIME *) pAudioSrc->pFormat; 1054 if (NULL == df_mime) { 1055 SL_LOGE("MIME type null invalid"); 1056 return SL_RESULT_CONTENT_UNSUPPORTED; 1057 } 1058 SL_LOGD("source MIME is %s", (char*)df_mime->mimeType); 1059 switch (df_mime->containerType) { 1060 case SL_CONTAINERTYPE_MPEG_TS: 1061 if (strcasecmp((char*)df_mime->mimeType, (const char *)XA_ANDROID_MIME_MP2TS)) { 1062 SL_LOGE("Invalid MIME (%s) for container SL_CONTAINERTYPE_MPEG_TS, expects %s", 1063 (char*)df_mime->mimeType, XA_ANDROID_MIME_MP2TS); 1064 return SL_RESULT_CONTENT_UNSUPPORTED; 1065 } 1066 if (pAudioPlayer->mAndroidObjType != AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE) { 1067 SL_LOGE("Invalid sink for container SL_CONTAINERTYPE_MPEG_TS"); 1068 return SL_RESULT_PARAMETER_INVALID; 1069 } 1070 break; 1071 case SL_CONTAINERTYPE_RAW: 1072 case SL_CONTAINERTYPE_AAC: 1073 if (strcasecmp((char*)df_mime->mimeType, (const char *)SL_ANDROID_MIME_AACADTS) && 1074 strcasecmp((char*)df_mime->mimeType, 1075 ANDROID_MIME_AACADTS_ANDROID_FRAMEWORK)) { 1076 SL_LOGE("Invalid MIME (%s) for container type %d, expects %s", 1077 (char*)df_mime->mimeType, df_mime->containerType, 1078 SL_ANDROID_MIME_AACADTS); 1079 return SL_RESULT_CONTENT_UNSUPPORTED; 1080 } 1081 if (pAudioPlayer->mAndroidObjType != AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE) { 1082 SL_LOGE("Invalid sink for container SL_CONTAINERTYPE_AAC"); 1083 return SL_RESULT_PARAMETER_INVALID; 1084 } 1085 break; 1086 default: 1087 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1088 "that is not fed MPEG-2 TS data or AAC ADTS data"); 1089 return SL_RESULT_CONTENT_UNSUPPORTED; 1090 } 1091 } 1092 break; 1093 default: 1094 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1095 "without SL_DATAFORMAT_MIME format"); 1096 return SL_RESULT_CONTENT_UNSUPPORTED; 1097 } 1098 } 1099 break; // case SL_DATALOCATOR_ANDROIDBUFFERQUEUE 1100 //------------------ 1101 // Address 1102 case SL_DATALOCATOR_ADDRESS: 1103 case SL_DATALOCATOR_IODEVICE: 1104 case SL_DATALOCATOR_OUTPUTMIX: 1105 case XA_DATALOCATOR_NATIVEDISPLAY: 1106 case SL_DATALOCATOR_MIDIBUFFERQUEUE: 1107 SL_LOGE("Cannot create audio player with data locator type 0x%x", 1108 (unsigned) sourceLocatorType); 1109 return SL_RESULT_CONTENT_UNSUPPORTED; 1110 default: 1111 SL_LOGE("Cannot create audio player with invalid data locator type 0x%x", 1112 (unsigned) sourceLocatorType); 1113 return SL_RESULT_PARAMETER_INVALID; 1114 }// switch (locatorType) 1115 1116 return SL_RESULT_SUCCESS; 1117 } 1118 1119 1120 //----------------------------------------------------------------------------- 1121 // Callback associated with an AudioTrack of an SL ES AudioPlayer that gets its data 1122 // from a buffer queue. This will not be called once the AudioTrack has been destroyed. 1123 static void audioTrack_callBack_pullFromBuffQueue(int event, void* user, void *info) { 1124 CAudioPlayer *ap = (CAudioPlayer *)user; 1125 1126 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 1127 // it is not safe to enter the callback (the track is about to go away) 1128 return; 1129 } 1130 1131 void * callbackPContext = NULL; 1132 switch (event) { 1133 1134 case android::AudioTrack::EVENT_MORE_DATA: { 1135 //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack TID=%d", gettid()); 1136 slPrefetchCallback prefetchCallback = NULL; 1137 void *prefetchContext = NULL; 1138 SLuint32 prefetchEvents = SL_PREFETCHEVENT_NONE; 1139 android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info; 1140 1141 // retrieve data from the buffer queue 1142 interface_lock_exclusive(&ap->mBufferQueue); 1143 1144 if (ap->mBufferQueue.mCallbackPending) { 1145 // call callback with lock not held 1146 slBufferQueueCallback callback = ap->mBufferQueue.mCallback; 1147 if (NULL != callback) { 1148 callbackPContext = ap->mBufferQueue.mContext; 1149 interface_unlock_exclusive(&ap->mBufferQueue); 1150 (*callback)(&ap->mBufferQueue.mItf, callbackPContext); 1151 interface_lock_exclusive(&ap->mBufferQueue); 1152 ap->mBufferQueue.mCallbackPending = false; 1153 } 1154 } 1155 1156 if (ap->mBufferQueue.mState.count != 0) { 1157 //SL_LOGV("nbBuffers in queue = %u",ap->mBufferQueue.mState.count); 1158 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear); 1159 1160 BufferHeader *oldFront = ap->mBufferQueue.mFront; 1161 BufferHeader *newFront = &oldFront[1]; 1162 1163 size_t availSource = oldFront->mSize - ap->mBufferQueue.mSizeConsumed; 1164 size_t availSink = pBuff->size; 1165 size_t bytesToCopy = availSource < availSink ? availSource : availSink; 1166 void *pSrc = (char *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed; 1167 memcpy(pBuff->raw, pSrc, bytesToCopy); 1168 1169 if (bytesToCopy < availSource) { 1170 ap->mBufferQueue.mSizeConsumed += bytesToCopy; 1171 // pBuff->size is already equal to bytesToCopy in this case 1172 } else { 1173 // consumed an entire buffer, dequeue 1174 pBuff->size = bytesToCopy; 1175 ap->mBufferQueue.mSizeConsumed = 0; 1176 if (newFront == 1177 &ap->mBufferQueue.mArray 1178 [ap->mBufferQueue.mNumBuffers + 1]) 1179 { 1180 newFront = ap->mBufferQueue.mArray; 1181 } 1182 ap->mBufferQueue.mFront = newFront; 1183 1184 ap->mBufferQueue.mState.count--; 1185 ap->mBufferQueue.mState.playIndex++; 1186 ap->mBufferQueue.mCallbackPending = true; 1187 } 1188 } else { // empty queue 1189 // signal no data available 1190 pBuff->size = 0; 1191 1192 // signal we're at the end of the content, but don't pause (see note in function) 1193 audioPlayer_dispatch_headAtEnd_lockPlay(ap, false /*set state to paused?*/, false); 1194 1195 // signal underflow to prefetch status itf 1196 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 1197 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 1198 ap->mPrefetchStatus.mLevel = 0; 1199 // callback or no callback? 1200 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask & 1201 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE); 1202 if (SL_PREFETCHEVENT_NONE != prefetchEvents) { 1203 prefetchCallback = ap->mPrefetchStatus.mCallback; 1204 prefetchContext = ap->mPrefetchStatus.mContext; 1205 } 1206 } 1207 1208 // stop the track so it restarts playing faster when new data is enqueued 1209 ap->mAudioTrack->stop(); 1210 } 1211 interface_unlock_exclusive(&ap->mBufferQueue); 1212 1213 // notify client 1214 if (NULL != prefetchCallback) { 1215 assert(SL_PREFETCHEVENT_NONE != prefetchEvents); 1216 // spec requires separate callbacks for each event 1217 if (prefetchEvents & SL_PREFETCHEVENT_STATUSCHANGE) { 1218 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, 1219 SL_PREFETCHEVENT_STATUSCHANGE); 1220 } 1221 if (prefetchEvents & SL_PREFETCHEVENT_FILLLEVELCHANGE) { 1222 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, 1223 SL_PREFETCHEVENT_FILLLEVELCHANGE); 1224 } 1225 } 1226 } 1227 break; 1228 1229 case android::AudioTrack::EVENT_MARKER: 1230 //SL_LOGI("received event EVENT_MARKER from AudioTrack"); 1231 audioTrack_handleMarker_lockPlay(ap); 1232 break; 1233 1234 case android::AudioTrack::EVENT_NEW_POS: 1235 //SL_LOGI("received event EVENT_NEW_POS from AudioTrack"); 1236 audioTrack_handleNewPos_lockPlay(ap); 1237 break; 1238 1239 case android::AudioTrack::EVENT_UNDERRUN: 1240 //SL_LOGI("received event EVENT_UNDERRUN from AudioTrack"); 1241 audioTrack_handleUnderrun_lockPlay(ap); 1242 break; 1243 1244 case android::AudioTrack::EVENT_NEW_IAUDIOTRACK: 1245 // ignore for now 1246 break; 1247 1248 case android::AudioTrack::EVENT_BUFFER_END: 1249 case android::AudioTrack::EVENT_LOOP_END: 1250 case android::AudioTrack::EVENT_STREAM_END: 1251 // These are unexpected so fall through 1252 default: 1253 // FIXME where does the notification of SL_PLAYEVENT_HEADMOVING fit? 1254 SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event, 1255 (CAudioPlayer *)user); 1256 break; 1257 } 1258 1259 ap->mCallbackProtector->exitCb(); 1260 } 1261 1262 1263 //----------------------------------------------------------------------------- 1264 void android_audioPlayer_create(CAudioPlayer *pAudioPlayer) { 1265 1266 // pAudioPlayer->mAndroidObjType has been set in android_audioPlayer_checkSourceSink() 1267 // and if it was == INVALID_TYPE, then IEngine_CreateAudioPlayer would never call us 1268 assert(INVALID_TYPE != pAudioPlayer->mAndroidObjType); 1269 1270 // These initializations are in the same order as the field declarations in classes.h 1271 1272 // FIXME Consolidate initializations (many of these already in IEngine_CreateAudioPlayer) 1273 // mAndroidObjType: see above comment 1274 pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED; 1275 pAudioPlayer->mSessionId = android::AudioSystem::newAudioUniqueId(); 1276 1277 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player 1278 // android::AudioSystem::acquireAudioSessionId(pAudioPlayer->mSessionId); 1279 1280 pAudioPlayer->mStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE; 1281 1282 // mAudioTrack 1283 pAudioPlayer->mCallbackProtector = new android::CallbackProtector(); 1284 // mAPLayer 1285 // mAuxEffect 1286 1287 pAudioPlayer->mAuxSendLevel = 0; 1288 pAudioPlayer->mAmplFromDirectLevel = 1.0f; // matches initial mDirectLevel value 1289 pAudioPlayer->mDeferredStart = false; 1290 1291 // This section re-initializes interface-specific fields that 1292 // can be set or used regardless of whether the interface is 1293 // exposed on the AudioPlayer or not 1294 1295 switch (pAudioPlayer->mAndroidObjType) { 1296 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1297 pAudioPlayer->mPlaybackRate.mMinRate = AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE; 1298 pAudioPlayer->mPlaybackRate.mMaxRate = AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE; 1299 break; 1300 case AUDIOPLAYER_FROM_URIFD: 1301 pAudioPlayer->mPlaybackRate.mMinRate = MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE; 1302 pAudioPlayer->mPlaybackRate.mMaxRate = MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE; 1303 break; 1304 default: 1305 // use the default range 1306 break; 1307 } 1308 1309 } 1310 1311 1312 //----------------------------------------------------------------------------- 1313 SLresult android_audioPlayer_setConfig(CAudioPlayer *ap, const SLchar *configKey, 1314 const void *pConfigValue, SLuint32 valueSize) { 1315 1316 SLresult result; 1317 1318 assert(NULL != ap && NULL != configKey && NULL != pConfigValue); 1319 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1320 1321 // stream type 1322 if (KEY_STREAM_TYPE_PARAMSIZE > valueSize) { 1323 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1324 result = SL_RESULT_BUFFER_INSUFFICIENT; 1325 } else { 1326 result = audioPlayer_setStreamType(ap, *(SLuint32*)pConfigValue); 1327 } 1328 1329 } else { 1330 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 1331 result = SL_RESULT_PARAMETER_INVALID; 1332 } 1333 1334 return result; 1335 } 1336 1337 1338 //----------------------------------------------------------------------------- 1339 SLresult android_audioPlayer_getConfig(CAudioPlayer* ap, const SLchar *configKey, 1340 SLuint32* pValueSize, void *pConfigValue) { 1341 1342 SLresult result; 1343 1344 assert(NULL != ap && NULL != configKey && NULL != pValueSize); 1345 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1346 1347 // stream type 1348 if (NULL == pConfigValue) { 1349 result = SL_RESULT_SUCCESS; 1350 } else if (KEY_STREAM_TYPE_PARAMSIZE > *pValueSize) { 1351 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1352 result = SL_RESULT_BUFFER_INSUFFICIENT; 1353 } else { 1354 result = audioPlayer_getStreamType(ap, (SLint32*)pConfigValue); 1355 } 1356 *pValueSize = KEY_STREAM_TYPE_PARAMSIZE; 1357 1358 } else { 1359 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 1360 result = SL_RESULT_PARAMETER_INVALID; 1361 } 1362 1363 return result; 1364 } 1365 1366 1367 // Called from android_audioPlayer_realize for a PCM buffer queue player 1368 // to determine if it can use a fast track. 1369 static bool canUseFastTrack(CAudioPlayer *pAudioPlayer) 1370 { 1371 assert(pAudioPlayer->mAndroidObjType == AUDIOPLAYER_FROM_PCM_BUFFERQUEUE); 1372 1373 // no need to check the buffer queue size, application side 1374 // double-buffering (and more) is not a requirement for using fast tracks 1375 1376 // Check a blacklist of interfaces that are incompatible with fast tracks. 1377 // The alternative, to check a whitelist of compatible interfaces, is 1378 // more maintainable but is too slow. As a compromise, in a debug build 1379 // we use both methods and warn if they produce different results. 1380 // In release builds, we only use the blacklist method. 1381 // If a blacklisted interface is added after realization using 1382 // DynamicInterfaceManagement::AddInterface, 1383 // then this won't be detected but the interface will be ineffective. 1384 bool blacklistResult = true; 1385 static const unsigned blacklist[] = { 1386 MPH_BASSBOOST, 1387 MPH_EFFECTSEND, 1388 MPH_ENVIRONMENTALREVERB, 1389 MPH_EQUALIZER, 1390 MPH_PLAYBACKRATE, 1391 MPH_PRESETREVERB, 1392 MPH_VIRTUALIZER, 1393 MPH_ANDROIDEFFECT, 1394 MPH_ANDROIDEFFECTSEND, 1395 // FIXME The problem with a blacklist is remembering to add new interfaces here 1396 }; 1397 for (unsigned i = 0; i < sizeof(blacklist)/sizeof(blacklist[0]); ++i) { 1398 if (IsInterfaceInitialized(&pAudioPlayer->mObject, blacklist[i])) { 1399 blacklistResult = false; 1400 break; 1401 } 1402 } 1403 #if LOG_NDEBUG == 0 1404 bool whitelistResult = true; 1405 static const unsigned whitelist[] = { 1406 MPH_BUFFERQUEUE, 1407 MPH_DYNAMICINTERFACEMANAGEMENT, 1408 MPH_METADATAEXTRACTION, 1409 MPH_MUTESOLO, 1410 MPH_OBJECT, 1411 MPH_PLAY, 1412 MPH_PREFETCHSTATUS, 1413 MPH_VOLUME, 1414 MPH_ANDROIDCONFIGURATION, 1415 MPH_ANDROIDSIMPLEBUFFERQUEUE, 1416 MPH_ANDROIDBUFFERQUEUESOURCE, 1417 }; 1418 for (unsigned mph = MPH_MIN; mph < MPH_MAX; ++mph) { 1419 for (unsigned i = 0; i < sizeof(whitelist)/sizeof(whitelist[0]); ++i) { 1420 if (mph == whitelist[i]) { 1421 goto compatible; 1422 } 1423 } 1424 if (IsInterfaceInitialized(&pAudioPlayer->mObject, mph)) { 1425 whitelistResult = false; 1426 break; 1427 } 1428 compatible: ; 1429 } 1430 if (whitelistResult != blacklistResult) { 1431 ALOGW("whitelistResult != blacklistResult"); 1432 // and use blacklistResult below 1433 } 1434 #endif 1435 return blacklistResult; 1436 } 1437 1438 1439 //----------------------------------------------------------------------------- 1440 // FIXME abstract out the diff between CMediaPlayer and CAudioPlayer 1441 SLresult android_audioPlayer_realize(CAudioPlayer *pAudioPlayer, SLboolean async) { 1442 1443 SLresult result = SL_RESULT_SUCCESS; 1444 SL_LOGV("Realize pAudioPlayer=%p", pAudioPlayer); 1445 1446 AudioPlayback_Parameters app; 1447 app.sessionId = pAudioPlayer->mSessionId; 1448 app.streamType = pAudioPlayer->mStreamType; 1449 1450 switch (pAudioPlayer->mAndroidObjType) { 1451 1452 //----------------------------------- 1453 // AudioTrack 1454 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1455 { 1456 // initialize platform-specific CAudioPlayer fields 1457 1458 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) 1459 pAudioPlayer->mDynamicSource.mDataSource; 1460 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) 1461 pAudioPlayer->mDynamicSource.mDataSource->pFormat; 1462 1463 uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec); 1464 1465 audio_output_flags_t policy; 1466 if (canUseFastTrack(pAudioPlayer)) { 1467 policy = AUDIO_OUTPUT_FLAG_FAST; 1468 } else { 1469 policy = AUDIO_OUTPUT_FLAG_NONE; 1470 } 1471 1472 pAudioPlayer->mAudioTrack = new android::AudioTrack( 1473 pAudioPlayer->mStreamType, // streamType 1474 sampleRate, // sampleRate 1475 sles_to_android_sampleFormat(df_pcm), // format 1476 // FIXME ignores df_pcm->channelMask and assumes positional 1477 audio_channel_out_mask_from_count(df_pcm->numChannels), 1478 // channel mask 1479 0, // frameCount 1480 policy, // flags 1481 audioTrack_callBack_pullFromBuffQueue, // callback 1482 (void *) pAudioPlayer, // user 1483 0, // FIXME find appropriate frame count // notificationFrame 1484 pAudioPlayer->mSessionId); 1485 android::status_t status = pAudioPlayer->mAudioTrack->initCheck(); 1486 if (status != android::NO_ERROR) { 1487 SL_LOGE("AudioTrack::initCheck status %u", status); 1488 // FIXME should return a more specific result depending on status 1489 result = SL_RESULT_CONTENT_UNSUPPORTED; 1490 pAudioPlayer->mAudioTrack.clear(); 1491 return result; 1492 } 1493 1494 // initialize platform-independent CAudioPlayer fields 1495 1496 pAudioPlayer->mNumChannels = df_pcm->numChannels; 1497 pAudioPlayer->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES 1498 1499 // This use case does not have a separate "prepare" step 1500 pAudioPlayer->mAndroidObjState = ANDROID_READY; 1501 } 1502 break; 1503 1504 //----------------------------------- 1505 // MediaPlayer 1506 case AUDIOPLAYER_FROM_URIFD: { 1507 pAudioPlayer->mAPlayer = new android::LocAVPlayer(&app, false /*hasVideo*/); 1508 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, 1509 (void*)pAudioPlayer /*notifUSer*/); 1510 1511 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1512 case SL_DATALOCATOR_URI: { 1513 // The legacy implementation ran Stagefright within the application process, and 1514 // so allowed local pathnames specified by URI that were openable by 1515 // the application but were not openable by mediaserver. 1516 // The current implementation runs Stagefright (mostly) within mediaserver, 1517 // which runs as a different UID and likely a different current working directory. 1518 // For backwards compatibility with any applications which may have relied on the 1519 // previous behavior, we convert an openable file URI into an FD. 1520 // Note that unlike SL_DATALOCATOR_ANDROIDFD, this FD is owned by us 1521 // and so we close it as soon as we've passed it (via Binder dup) to mediaserver. 1522 const char *uri = (const char *)pAudioPlayer->mDataSource.mLocator.mURI.URI; 1523 if (!isDistantProtocol(uri)) { 1524 // don't touch the original uri, we may need it later 1525 const char *pathname = uri; 1526 // skip over an optional leading file:// prefix 1527 if (!strncasecmp(pathname, "file://", 7)) { 1528 pathname += 7; 1529 } 1530 // attempt to open it as a file using the application's credentials 1531 int fd = ::open(pathname, O_RDONLY); 1532 if (fd >= 0) { 1533 // if open is successful, then check to see if it's a regular file 1534 struct stat statbuf; 1535 if (!::fstat(fd, &statbuf) && S_ISREG(statbuf.st_mode)) { 1536 // treat similarly to an FD data locator, but 1537 // let setDataSource take responsibility for closing fd 1538 pAudioPlayer->mAPlayer->setDataSource(fd, 0, statbuf.st_size, true); 1539 break; 1540 } 1541 // we were able to open it, but it's not a file, so let mediaserver try 1542 (void) ::close(fd); 1543 } 1544 } 1545 // if either the URI didn't look like a file, or open failed, or not a file 1546 pAudioPlayer->mAPlayer->setDataSource(uri); 1547 } break; 1548 case SL_DATALOCATOR_ANDROIDFD: { 1549 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1550 pAudioPlayer->mAPlayer->setDataSource( 1551 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1552 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1553 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1554 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1555 } 1556 break; 1557 default: 1558 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1559 break; 1560 } 1561 1562 } 1563 break; 1564 1565 //----------------------------------- 1566 // StreamPlayer 1567 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: { 1568 android::StreamPlayer* splr = new android::StreamPlayer(&app, false /*hasVideo*/, 1569 &pAudioPlayer->mAndroidBufferQueue, pAudioPlayer->mCallbackProtector); 1570 pAudioPlayer->mAPlayer = splr; 1571 splr->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1572 } 1573 break; 1574 1575 //----------------------------------- 1576 // AudioToCbRenderer 1577 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 1578 android::AudioToCbRenderer* decoder = new android::AudioToCbRenderer(&app); 1579 pAudioPlayer->mAPlayer = decoder; 1580 // configures the callback for the sink buffer queue 1581 decoder->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer); 1582 // configures the callback for the notifications coming from the SF code 1583 decoder->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1584 1585 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1586 case SL_DATALOCATOR_URI: 1587 decoder->setDataSource( 1588 (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI); 1589 break; 1590 case SL_DATALOCATOR_ANDROIDFD: { 1591 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1592 decoder->setDataSource( 1593 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1594 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1595 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1596 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1597 } 1598 break; 1599 default: 1600 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1601 break; 1602 } 1603 1604 } 1605 break; 1606 1607 //----------------------------------- 1608 // AacBqToPcmCbRenderer 1609 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: { 1610 android::AacBqToPcmCbRenderer* bqtobq = new android::AacBqToPcmCbRenderer(&app, 1611 &pAudioPlayer->mAndroidBufferQueue); 1612 // configures the callback for the sink buffer queue 1613 bqtobq->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer); 1614 pAudioPlayer->mAPlayer = bqtobq; 1615 // configures the callback for the notifications coming from the SF code, 1616 // but also implicitly configures the AndroidBufferQueue from which ADTS data is read 1617 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1618 } 1619 break; 1620 1621 //----------------------------------- 1622 default: 1623 SL_LOGE(ERROR_PLAYERREALIZE_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1624 result = SL_RESULT_INTERNAL_ERROR; 1625 break; 1626 } 1627 1628 // proceed with effect initialization 1629 // initialize EQ 1630 // FIXME use a table of effect descriptors when adding support for more effects 1631 if (memcmp(SL_IID_EQUALIZER, &pAudioPlayer->mEqualizer.mEqDescriptor.type, 1632 sizeof(effect_uuid_t)) == 0) { 1633 SL_LOGV("Need to initialize EQ for AudioPlayer=%p", pAudioPlayer); 1634 android_eq_init(pAudioPlayer->mSessionId, &pAudioPlayer->mEqualizer); 1635 } 1636 // initialize BassBoost 1637 if (memcmp(SL_IID_BASSBOOST, &pAudioPlayer->mBassBoost.mBassBoostDescriptor.type, 1638 sizeof(effect_uuid_t)) == 0) { 1639 SL_LOGV("Need to initialize BassBoost for AudioPlayer=%p", pAudioPlayer); 1640 android_bb_init(pAudioPlayer->mSessionId, &pAudioPlayer->mBassBoost); 1641 } 1642 // initialize Virtualizer 1643 if (memcmp(SL_IID_VIRTUALIZER, &pAudioPlayer->mVirtualizer.mVirtualizerDescriptor.type, 1644 sizeof(effect_uuid_t)) == 0) { 1645 SL_LOGV("Need to initialize Virtualizer for AudioPlayer=%p", pAudioPlayer); 1646 android_virt_init(pAudioPlayer->mSessionId, &pAudioPlayer->mVirtualizer); 1647 } 1648 1649 // initialize EffectSend 1650 // FIXME initialize EffectSend 1651 1652 return result; 1653 } 1654 1655 1656 //----------------------------------------------------------------------------- 1657 /** 1658 * Called with a lock on AudioPlayer, and blocks until safe to destroy 1659 */ 1660 SLresult android_audioPlayer_preDestroy(CAudioPlayer *pAudioPlayer) { 1661 SL_LOGD("android_audioPlayer_preDestroy(%p)", pAudioPlayer); 1662 SLresult result = SL_RESULT_SUCCESS; 1663 1664 bool disableCallbacksBeforePreDestroy; 1665 switch (pAudioPlayer->mAndroidObjType) { 1666 // Not yet clear why this order is important, but it reduces detected deadlocks 1667 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1668 disableCallbacksBeforePreDestroy = true; 1669 break; 1670 // Use the old behavior for all other use cases until proven 1671 // case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1672 default: 1673 disableCallbacksBeforePreDestroy = false; 1674 break; 1675 } 1676 1677 if (disableCallbacksBeforePreDestroy) { 1678 object_unlock_exclusive(&pAudioPlayer->mObject); 1679 if (pAudioPlayer->mCallbackProtector != 0) { 1680 pAudioPlayer->mCallbackProtector->requestCbExitAndWait(); 1681 } 1682 object_lock_exclusive(&pAudioPlayer->mObject); 1683 } 1684 1685 if (pAudioPlayer->mAPlayer != 0) { 1686 pAudioPlayer->mAPlayer->preDestroy(); 1687 } 1688 SL_LOGD("android_audioPlayer_preDestroy(%p) after mAPlayer->preDestroy()", pAudioPlayer); 1689 1690 if (!disableCallbacksBeforePreDestroy) { 1691 object_unlock_exclusive(&pAudioPlayer->mObject); 1692 if (pAudioPlayer->mCallbackProtector != 0) { 1693 pAudioPlayer->mCallbackProtector->requestCbExitAndWait(); 1694 } 1695 object_lock_exclusive(&pAudioPlayer->mObject); 1696 } 1697 1698 return result; 1699 } 1700 1701 1702 //----------------------------------------------------------------------------- 1703 SLresult android_audioPlayer_destroy(CAudioPlayer *pAudioPlayer) { 1704 SLresult result = SL_RESULT_SUCCESS; 1705 SL_LOGV("android_audioPlayer_destroy(%p)", pAudioPlayer); 1706 switch (pAudioPlayer->mAndroidObjType) { 1707 1708 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1709 // We own the audio track for PCM buffer queue players 1710 if (pAudioPlayer->mAudioTrack != 0) { 1711 pAudioPlayer->mAudioTrack->stop(); 1712 // Note that there may still be another reference in post-unlock phase of SetPlayState 1713 pAudioPlayer->mAudioTrack.clear(); 1714 } 1715 break; 1716 1717 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1718 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1719 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through 1720 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1721 pAudioPlayer->mAPlayer.clear(); 1722 break; 1723 //----------------------------------- 1724 default: 1725 SL_LOGE(ERROR_PLAYERDESTROY_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1726 result = SL_RESULT_INTERNAL_ERROR; 1727 break; 1728 } 1729 1730 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player 1731 // android::AudioSystem::releaseAudioSessionId(pAudioPlayer->mSessionId); 1732 1733 pAudioPlayer->mCallbackProtector.clear(); 1734 1735 // explicit destructor 1736 pAudioPlayer->mAudioTrack.~sp(); 1737 // note that SetPlayState(PLAYING) may still hold a reference 1738 pAudioPlayer->mCallbackProtector.~sp(); 1739 pAudioPlayer->mAuxEffect.~sp(); 1740 pAudioPlayer->mAPlayer.~sp(); 1741 1742 return result; 1743 } 1744 1745 1746 //----------------------------------------------------------------------------- 1747 SLresult android_audioPlayer_setPlaybackRateAndConstraints(CAudioPlayer *ap, SLpermille rate, 1748 SLuint32 constraints) { 1749 SLresult result = SL_RESULT_SUCCESS; 1750 switch (ap->mAndroidObjType) { 1751 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: { 1752 // these asserts were already checked by the platform-independent layer 1753 assert((AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE <= rate) && 1754 (rate <= AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE)); 1755 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO); 1756 // get the content sample rate 1757 uint32_t contentRate = sles_to_android_sampleRate(ap->mSampleRateMilliHz); 1758 // apply the SL ES playback rate on the AudioTrack as a factor of its content sample rate 1759 if (ap->mAudioTrack != 0) { 1760 ap->mAudioTrack->setSampleRate(contentRate * (rate/1000.0f)); 1761 } 1762 } 1763 break; 1764 case AUDIOPLAYER_FROM_URIFD: { 1765 assert((MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE <= rate) && 1766 (rate <= MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE)); 1767 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO); 1768 // apply the SL ES playback rate on the GenericPlayer 1769 if (ap->mAPlayer != 0) { 1770 ap->mAPlayer->setPlaybackRate((int16_t)rate); 1771 } 1772 } 1773 break; 1774 1775 default: 1776 SL_LOGE("Unexpected object type %d", ap->mAndroidObjType); 1777 result = SL_RESULT_FEATURE_UNSUPPORTED; 1778 break; 1779 } 1780 return result; 1781 } 1782 1783 1784 //----------------------------------------------------------------------------- 1785 // precondition 1786 // called with no lock held 1787 // ap != NULL 1788 // pItemCount != NULL 1789 SLresult android_audioPlayer_metadata_getItemCount(CAudioPlayer *ap, SLuint32 *pItemCount) { 1790 if (ap->mAPlayer == 0) { 1791 return SL_RESULT_PARAMETER_INVALID; 1792 } 1793 switch (ap->mAndroidObjType) { 1794 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1795 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1796 { 1797 android::AudioSfDecoder* decoder = 1798 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1799 *pItemCount = decoder->getPcmFormatKeyCount(); 1800 } 1801 break; 1802 default: 1803 *pItemCount = 0; 1804 break; 1805 } 1806 return SL_RESULT_SUCCESS; 1807 } 1808 1809 1810 //----------------------------------------------------------------------------- 1811 // precondition 1812 // called with no lock held 1813 // ap != NULL 1814 // pKeySize != NULL 1815 SLresult android_audioPlayer_metadata_getKeySize(CAudioPlayer *ap, 1816 SLuint32 index, SLuint32 *pKeySize) { 1817 if (ap->mAPlayer == 0) { 1818 return SL_RESULT_PARAMETER_INVALID; 1819 } 1820 SLresult res = SL_RESULT_SUCCESS; 1821 switch (ap->mAndroidObjType) { 1822 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1823 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1824 { 1825 android::AudioSfDecoder* decoder = 1826 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1827 SLuint32 keyNameSize = 0; 1828 if (!decoder->getPcmFormatKeySize(index, &keyNameSize)) { 1829 res = SL_RESULT_PARAMETER_INVALID; 1830 } else { 1831 // *pKeySize is the size of the region used to store the key name AND 1832 // the information about the key (size, lang, encoding) 1833 *pKeySize = keyNameSize + sizeof(SLMetadataInfo); 1834 } 1835 } 1836 break; 1837 default: 1838 *pKeySize = 0; 1839 res = SL_RESULT_PARAMETER_INVALID; 1840 break; 1841 } 1842 return res; 1843 } 1844 1845 1846 //----------------------------------------------------------------------------- 1847 // precondition 1848 // called with no lock held 1849 // ap != NULL 1850 // pKey != NULL 1851 SLresult android_audioPlayer_metadata_getKey(CAudioPlayer *ap, 1852 SLuint32 index, SLuint32 size, SLMetadataInfo *pKey) { 1853 if (ap->mAPlayer == 0) { 1854 return SL_RESULT_PARAMETER_INVALID; 1855 } 1856 SLresult res = SL_RESULT_SUCCESS; 1857 switch (ap->mAndroidObjType) { 1858 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1859 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1860 { 1861 android::AudioSfDecoder* decoder = 1862 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1863 if ((size < sizeof(SLMetadataInfo) || 1864 (!decoder->getPcmFormatKeyName(index, size - sizeof(SLMetadataInfo), 1865 (char*)pKey->data)))) { 1866 res = SL_RESULT_PARAMETER_INVALID; 1867 } else { 1868 // successfully retrieved the key value, update the other fields 1869 pKey->encoding = SL_CHARACTERENCODING_UTF8; 1870 memcpy((char *) pKey->langCountry, "en", 3); 1871 pKey->size = strlen((char*)pKey->data) + 1; 1872 } 1873 } 1874 break; 1875 default: 1876 res = SL_RESULT_PARAMETER_INVALID; 1877 break; 1878 } 1879 return res; 1880 } 1881 1882 1883 //----------------------------------------------------------------------------- 1884 // precondition 1885 // called with no lock held 1886 // ap != NULL 1887 // pValueSize != NULL 1888 SLresult android_audioPlayer_metadata_getValueSize(CAudioPlayer *ap, 1889 SLuint32 index, SLuint32 *pValueSize) { 1890 if (ap->mAPlayer == 0) { 1891 return SL_RESULT_PARAMETER_INVALID; 1892 } 1893 SLresult res = SL_RESULT_SUCCESS; 1894 switch (ap->mAndroidObjType) { 1895 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1896 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1897 { 1898 android::AudioSfDecoder* decoder = 1899 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1900 SLuint32 valueSize = 0; 1901 if (!decoder->getPcmFormatValueSize(index, &valueSize)) { 1902 res = SL_RESULT_PARAMETER_INVALID; 1903 } else { 1904 // *pValueSize is the size of the region used to store the key value AND 1905 // the information about the value (size, lang, encoding) 1906 *pValueSize = valueSize + sizeof(SLMetadataInfo); 1907 } 1908 } 1909 break; 1910 default: 1911 *pValueSize = 0; 1912 res = SL_RESULT_PARAMETER_INVALID; 1913 break; 1914 } 1915 return res; 1916 } 1917 1918 1919 //----------------------------------------------------------------------------- 1920 // precondition 1921 // called with no lock held 1922 // ap != NULL 1923 // pValue != NULL 1924 SLresult android_audioPlayer_metadata_getValue(CAudioPlayer *ap, 1925 SLuint32 index, SLuint32 size, SLMetadataInfo *pValue) { 1926 if (ap->mAPlayer == 0) { 1927 return SL_RESULT_PARAMETER_INVALID; 1928 } 1929 SLresult res = SL_RESULT_SUCCESS; 1930 switch (ap->mAndroidObjType) { 1931 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1932 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1933 { 1934 android::AudioSfDecoder* decoder = 1935 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1936 pValue->encoding = SL_CHARACTERENCODING_BINARY; 1937 memcpy((char *) pValue->langCountry, "en", 3); // applicable here? 1938 SLuint32 valueSize = 0; 1939 if ((size < sizeof(SLMetadataInfo) 1940 || (!decoder->getPcmFormatValueSize(index, &valueSize)) 1941 || (!decoder->getPcmFormatKeyValue(index, size - sizeof(SLMetadataInfo), 1942 (SLuint32*)pValue->data)))) { 1943 res = SL_RESULT_PARAMETER_INVALID; 1944 } else { 1945 pValue->size = valueSize; 1946 } 1947 } 1948 break; 1949 default: 1950 res = SL_RESULT_PARAMETER_INVALID; 1951 break; 1952 } 1953 return res; 1954 } 1955 1956 //----------------------------------------------------------------------------- 1957 // preconditions 1958 // ap != NULL 1959 // mutex is locked 1960 // play state has changed 1961 void android_audioPlayer_setPlayState(CAudioPlayer *ap) { 1962 1963 SLuint32 playState = ap->mPlay.mState; 1964 AndroidObjectState objState = ap->mAndroidObjState; 1965 1966 switch (ap->mAndroidObjType) { 1967 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1968 switch (playState) { 1969 case SL_PLAYSTATE_STOPPED: 1970 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED"); 1971 if (ap->mAudioTrack != 0) { 1972 ap->mAudioTrack->stop(); 1973 } 1974 break; 1975 case SL_PLAYSTATE_PAUSED: 1976 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED"); 1977 if (ap->mAudioTrack != 0) { 1978 ap->mAudioTrack->pause(); 1979 } 1980 break; 1981 case SL_PLAYSTATE_PLAYING: 1982 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING"); 1983 if (ap->mAudioTrack != 0) { 1984 // instead of ap->mAudioTrack->start(); 1985 ap->mDeferredStart = true; 1986 } 1987 break; 1988 default: 1989 // checked by caller, should not happen 1990 break; 1991 } 1992 break; 1993 1994 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1995 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1996 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through 1997 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1998 // FIXME report and use the return code to the lock mechanism, which is where play state 1999 // changes are updated (see object_unlock_exclusive_attributes()) 2000 aplayer_setPlayState(ap->mAPlayer, playState, &ap->mAndroidObjState); 2001 break; 2002 default: 2003 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_UNEXPECTED_OBJECT_TYPE_D, ap->mAndroidObjType); 2004 break; 2005 } 2006 } 2007 2008 2009 //----------------------------------------------------------------------------- 2010 // call when either player event flags, marker position, or position update period changes 2011 void android_audioPlayer_usePlayEventMask(CAudioPlayer *ap) { 2012 IPlay *pPlayItf = &ap->mPlay; 2013 SLuint32 eventFlags = pPlayItf->mEventFlags; 2014 /*switch (ap->mAndroidObjType) { 2015 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:*/ 2016 2017 if (ap->mAPlayer != 0) { 2018 assert(ap->mAudioTrack == 0); 2019 ap->mAPlayer->setPlayEvents((int32_t) eventFlags, (int32_t) pPlayItf->mMarkerPosition, 2020 (int32_t) pPlayItf->mPositionUpdatePeriod); 2021 return; 2022 } 2023 2024 if (ap->mAudioTrack == 0) { 2025 return; 2026 } 2027 2028 if (eventFlags & SL_PLAYEVENT_HEADATMARKER) { 2029 ap->mAudioTrack->setMarkerPosition((uint32_t)((((int64_t)pPlayItf->mMarkerPosition 2030 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 2031 } else { 2032 // clear marker 2033 ap->mAudioTrack->setMarkerPosition(0); 2034 } 2035 2036 if (eventFlags & SL_PLAYEVENT_HEADATNEWPOS) { 2037 ap->mAudioTrack->setPositionUpdatePeriod( 2038 (uint32_t)((((int64_t)pPlayItf->mPositionUpdatePeriod 2039 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 2040 } else { 2041 // clear periodic update 2042 ap->mAudioTrack->setPositionUpdatePeriod(0); 2043 } 2044 2045 if (eventFlags & SL_PLAYEVENT_HEADATEND) { 2046 // nothing to do for SL_PLAYEVENT_HEADATEND, callback event will be checked against mask 2047 } 2048 2049 if (eventFlags & SL_PLAYEVENT_HEADMOVING) { 2050 // FIXME support SL_PLAYEVENT_HEADMOVING 2051 SL_LOGD("[ FIXME: IPlay_SetCallbackEventsMask(SL_PLAYEVENT_HEADMOVING) on an " 2052 "SL_OBJECTID_AUDIOPLAYER to be implemented ]"); 2053 } 2054 if (eventFlags & SL_PLAYEVENT_HEADSTALLED) { 2055 // nothing to do for SL_PLAYEVENT_HEADSTALLED, callback event will be checked against mask 2056 } 2057 2058 } 2059 2060 2061 //----------------------------------------------------------------------------- 2062 SLresult android_audioPlayer_getDuration(IPlay *pPlayItf, SLmillisecond *pDurMsec) { 2063 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 2064 switch (ap->mAndroidObjType) { 2065 2066 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2067 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 2068 int32_t durationMsec = ANDROID_UNKNOWN_TIME; 2069 if (ap->mAPlayer != 0) { 2070 ap->mAPlayer->getDurationMsec(&durationMsec); 2071 } 2072 *pDurMsec = durationMsec == ANDROID_UNKNOWN_TIME ? SL_TIME_UNKNOWN : durationMsec; 2073 break; 2074 } 2075 2076 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2077 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2078 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2079 default: { 2080 *pDurMsec = SL_TIME_UNKNOWN; 2081 } 2082 } 2083 return SL_RESULT_SUCCESS; 2084 } 2085 2086 2087 //----------------------------------------------------------------------------- 2088 void android_audioPlayer_getPosition(IPlay *pPlayItf, SLmillisecond *pPosMsec) { 2089 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 2090 switch (ap->mAndroidObjType) { 2091 2092 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2093 if ((ap->mSampleRateMilliHz == UNKNOWN_SAMPLERATE) || (ap->mAudioTrack == 0)) { 2094 *pPosMsec = 0; 2095 } else { 2096 uint32_t positionInFrames; 2097 ap->mAudioTrack->getPosition(&positionInFrames); 2098 *pPosMsec = ((int64_t)positionInFrames * 1000) / 2099 sles_to_android_sampleRate(ap->mSampleRateMilliHz); 2100 } 2101 break; 2102 2103 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2104 case AUDIOPLAYER_FROM_URIFD: 2105 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2106 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: { 2107 int32_t posMsec = ANDROID_UNKNOWN_TIME; 2108 if (ap->mAPlayer != 0) { 2109 ap->mAPlayer->getPositionMsec(&posMsec); 2110 } 2111 *pPosMsec = posMsec == ANDROID_UNKNOWN_TIME ? 0 : posMsec; 2112 break; 2113 } 2114 2115 default: 2116 *pPosMsec = 0; 2117 } 2118 } 2119 2120 2121 //----------------------------------------------------------------------------- 2122 SLresult android_audioPlayer_seek(CAudioPlayer *ap, SLmillisecond posMsec) { 2123 SLresult result = SL_RESULT_SUCCESS; 2124 2125 switch (ap->mAndroidObjType) { 2126 2127 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: // intended fall-through 2128 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2129 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2130 result = SL_RESULT_FEATURE_UNSUPPORTED; 2131 break; 2132 2133 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2134 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2135 if (ap->mAPlayer != 0) { 2136 ap->mAPlayer->seek(posMsec); 2137 } 2138 break; 2139 2140 default: 2141 break; 2142 } 2143 return result; 2144 } 2145 2146 2147 //----------------------------------------------------------------------------- 2148 SLresult android_audioPlayer_loop(CAudioPlayer *ap, SLboolean loopEnable) { 2149 SLresult result = SL_RESULT_SUCCESS; 2150 2151 switch (ap->mAndroidObjType) { 2152 case AUDIOPLAYER_FROM_URIFD: 2153 // case AUDIOPLAY_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2154 // would actually work, but what's the point? 2155 if (ap->mAPlayer != 0) { 2156 ap->mAPlayer->loop((bool)loopEnable); 2157 } 2158 break; 2159 default: 2160 result = SL_RESULT_FEATURE_UNSUPPORTED; 2161 break; 2162 } 2163 return result; 2164 } 2165 2166 2167 //----------------------------------------------------------------------------- 2168 SLresult android_audioPlayer_setBufferingUpdateThresholdPerMille(CAudioPlayer *ap, 2169 SLpermille threshold) { 2170 SLresult result = SL_RESULT_SUCCESS; 2171 2172 switch (ap->mAndroidObjType) { 2173 case AUDIOPLAYER_FROM_URIFD: 2174 if (ap->mAPlayer != 0) { 2175 ap->mAPlayer->setBufferingUpdateThreshold(threshold / 10); 2176 } 2177 break; 2178 2179 default: {} 2180 } 2181 2182 return result; 2183 } 2184 2185 2186 //----------------------------------------------------------------------------- 2187 void android_audioPlayer_bufferQueue_onRefilled_l(CAudioPlayer *ap) { 2188 // the AudioTrack associated with the AudioPlayer receiving audio from a PCM buffer 2189 // queue was stopped when the queue become empty, we restart as soon as a new buffer 2190 // has been enqueued since we're in playing state 2191 if (ap->mAudioTrack != 0) { 2192 // instead of ap->mAudioTrack->start(); 2193 ap->mDeferredStart = true; 2194 } 2195 2196 // when the queue became empty, an underflow on the prefetch status itf was sent. Now the queue 2197 // has received new data, signal it has sufficient data 2198 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 2199 // we wouldn't have been called unless we were previously in the underflow state 2200 assert(SL_PREFETCHSTATUS_UNDERFLOW == ap->mPrefetchStatus.mStatus); 2201 assert(0 == ap->mPrefetchStatus.mLevel); 2202 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA; 2203 ap->mPrefetchStatus.mLevel = 1000; 2204 // callback or no callback? 2205 SLuint32 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask & 2206 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE); 2207 if (SL_PREFETCHEVENT_NONE != prefetchEvents) { 2208 ap->mPrefetchStatus.mDeferredPrefetchCallback = ap->mPrefetchStatus.mCallback; 2209 ap->mPrefetchStatus.mDeferredPrefetchContext = ap->mPrefetchStatus.mContext; 2210 ap->mPrefetchStatus.mDeferredPrefetchEvents = prefetchEvents; 2211 } 2212 } 2213 } 2214 2215 2216 //----------------------------------------------------------------------------- 2217 /* 2218 * BufferQueue::Clear 2219 */ 2220 SLresult android_audioPlayer_bufferQueue_onClear(CAudioPlayer *ap) { 2221 SLresult result = SL_RESULT_SUCCESS; 2222 2223 switch (ap->mAndroidObjType) { 2224 //----------------------------------- 2225 // AudioTrack 2226 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2227 if (ap->mAudioTrack != 0) { 2228 ap->mAudioTrack->flush(); 2229 } 2230 break; 2231 default: 2232 result = SL_RESULT_INTERNAL_ERROR; 2233 break; 2234 } 2235 2236 return result; 2237 } 2238 2239 2240 //----------------------------------------------------------------------------- 2241 void android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer *ap) { 2242 switch (ap->mAndroidObjType) { 2243 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2244 if (ap->mAPlayer != 0) { 2245 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2246 splr->appClear_l(); 2247 } break; 2248 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2249 // nothing to do here, fall through 2250 default: 2251 break; 2252 } 2253 } 2254 2255 void android_audioPlayer_androidBufferQueue_onRefilled_l(CAudioPlayer *ap) { 2256 switch (ap->mAndroidObjType) { 2257 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2258 if (ap->mAPlayer != 0) { 2259 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2260 splr->queueRefilled(); 2261 } break; 2262 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2263 // FIXME this may require waking up the decoder if it is currently starved and isn't polling 2264 default: 2265 break; 2266 } 2267 } 2268
