AudioPlayer_to_android.cpp revision df9b397f73d8f063ff66e0fbf86ced075fe6d5aa
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 30template class android::KeyedVector<SLuint32, android::AudioEffect* > ; 31 32#define KEY_STREAM_TYPE_PARAMSIZE sizeof(SLint32) 33 34#define AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE 500 35#define AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE 2000 36 37#define MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE 38#define MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE 39 40//----------------------------------------------------------------------------- 41// FIXME this method will be absorbed into android_audioPlayer_setPlayState() once 42// bufferqueue and uri/fd playback are moved under the GenericPlayer C++ object 43SLresult aplayer_setPlayState(const android::sp<android::GenericPlayer> &ap, SLuint32 playState, 44 AndroidObjectState* pObjState) { 45 SLresult result = SL_RESULT_SUCCESS; 46 AndroidObjectState objState = *pObjState; 47 48 switch (playState) { 49 case SL_PLAYSTATE_STOPPED: 50 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_STOPPED"); 51 ap->stop(); 52 break; 53 case SL_PLAYSTATE_PAUSED: 54 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PAUSED"); 55 switch (objState) { 56 case ANDROID_UNINITIALIZED: 57 *pObjState = ANDROID_PREPARING; 58 ap->prepare(); 59 break; 60 case ANDROID_PREPARING: 61 break; 62 case ANDROID_READY: 63 ap->pause(); 64 break; 65 default: 66 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState); 67 result = SL_RESULT_INTERNAL_ERROR; 68 break; 69 } 70 break; 71 case SL_PLAYSTATE_PLAYING: { 72 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PLAYING"); 73 switch (objState) { 74 case ANDROID_UNINITIALIZED: 75 *pObjState = ANDROID_PREPARING; 76 ap->prepare(); 77 // intended fall through 78 case ANDROID_PREPARING: 79 // intended fall through 80 case ANDROID_READY: 81 ap->play(); 82 break; 83 default: 84 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState); 85 result = SL_RESULT_INTERNAL_ERROR; 86 break; 87 } 88 } 89 break; 90 default: 91 // checked by caller, should not happen 92 SL_LOGE(ERROR_SHOULDNT_BE_HERE_S, "aplayer_setPlayState"); 93 result = SL_RESULT_INTERNAL_ERROR; 94 break; 95 } 96 97 return result; 98} 99 100 101//----------------------------------------------------------------------------- 102// Callback associated with a AudioToCbRenderer of an SL ES AudioPlayer that gets its data 103// from a URI or FD, to write the decoded audio data to a buffer queue 104static size_t adecoder_writeToBufferQueue(const uint8_t *data, size_t size, CAudioPlayer* ap) { 105 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 106 // it is not safe to enter the callback (the player is about to go away) 107 return 0; 108 } 109 size_t sizeConsumed = 0; 110 SL_LOGD("received %d bytes from decoder", size); 111 slBufferQueueCallback callback = NULL; 112 void * callbackPContext = NULL; 113 114 // push decoded data to the buffer queue 115 object_lock_exclusive(&ap->mObject); 116 117 if (ap->mBufferQueue.mState.count != 0) { 118 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear); 119 120 BufferHeader *oldFront = ap->mBufferQueue.mFront; 121 BufferHeader *newFront = &oldFront[1]; 122 123 uint8_t *pDest = (uint8_t *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed; 124 if (ap->mBufferQueue.mSizeConsumed + size < oldFront->mSize) { 125 // room to consume the whole or rest of the decoded data in one shot 126 ap->mBufferQueue.mSizeConsumed += size; 127 // consume data but no callback to the BufferQueue interface here 128 memcpy(pDest, data, size); 129 sizeConsumed = size; 130 } else { 131 // push as much as possible of the decoded data into the buffer queue 132 sizeConsumed = oldFront->mSize - ap->mBufferQueue.mSizeConsumed; 133 134 // the buffer at the head of the buffer queue is full, update the state 135 ap->mBufferQueue.mSizeConsumed = 0; 136 if (newFront == &ap->mBufferQueue.mArray[ap->mBufferQueue.mNumBuffers + 1]) { 137 newFront = ap->mBufferQueue.mArray; 138 } 139 ap->mBufferQueue.mFront = newFront; 140 141 ap->mBufferQueue.mState.count--; 142 ap->mBufferQueue.mState.playIndex++; 143 // consume data 144 memcpy(pDest, data, sizeConsumed); 145 // data has been copied to the buffer, and the buffer queue state has been updated 146 // we will notify the client if applicable 147 callback = ap->mBufferQueue.mCallback; 148 // save callback data 149 callbackPContext = ap->mBufferQueue.mContext; 150 } 151 152 } else { 153 // no available buffers in the queue to write the decoded data 154 sizeConsumed = 0; 155 } 156 157 object_unlock_exclusive(&ap->mObject); 158 // notify client 159 if (NULL != callback) { 160 (*callback)(&ap->mBufferQueue.mItf, callbackPContext); 161 } 162 163 ap->mCallbackProtector->exitCb(); 164 return sizeConsumed; 165} 166 167 168//----------------------------------------------------------------------------- 169#define LEFT_CHANNEL_MASK AUDIO_CHANNEL_OUT_FRONT_LEFT 170#define RIGHT_CHANNEL_MASK AUDIO_CHANNEL_OUT_FRONT_RIGHT 171 172void android_audioPlayer_volumeUpdate(CAudioPlayer* ap) 173{ 174 assert(ap != NULL); 175 176 // the source's channel count, where zero means unknown 177 SLuint8 channelCount = ap->mNumChannels; 178 179 // whether each channel is audible 180 bool leftAudibilityFactor, rightAudibilityFactor; 181 182 // mute has priority over solo 183 if (channelCount >= STEREO_CHANNELS) { 184 if (ap->mMuteMask & LEFT_CHANNEL_MASK) { 185 // left muted 186 leftAudibilityFactor = false; 187 } else { 188 // left not muted 189 if (ap->mSoloMask & LEFT_CHANNEL_MASK) { 190 // left soloed 191 leftAudibilityFactor = true; 192 } else { 193 // left not soloed 194 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) { 195 // right solo silences left 196 leftAudibilityFactor = false; 197 } else { 198 // left and right are not soloed, and left is not muted 199 leftAudibilityFactor = true; 200 } 201 } 202 } 203 204 if (ap->mMuteMask & RIGHT_CHANNEL_MASK) { 205 // right muted 206 rightAudibilityFactor = false; 207 } else { 208 // right not muted 209 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) { 210 // right soloed 211 rightAudibilityFactor = true; 212 } else { 213 // right not soloed 214 if (ap->mSoloMask & LEFT_CHANNEL_MASK) { 215 // left solo silences right 216 rightAudibilityFactor = false; 217 } else { 218 // left and right are not soloed, and right is not muted 219 rightAudibilityFactor = true; 220 } 221 } 222 } 223 224 // channel mute and solo are ignored for mono and unknown channel count sources 225 } else { 226 leftAudibilityFactor = true; 227 rightAudibilityFactor = true; 228 } 229 230 // compute volumes without setting 231 const bool audibilityFactors[2] = {leftAudibilityFactor, rightAudibilityFactor}; 232 float volumes[2]; 233 android_player_volumeUpdate(volumes, &ap->mVolume, channelCount, ap->mAmplFromDirectLevel, 234 audibilityFactors); 235 float leftVol = volumes[0], rightVol = volumes[1]; 236 237 // set volume on the underlying media player or audio track 238 if (ap->mAPlayer != 0) { 239 ap->mAPlayer->setVolume(leftVol, rightVol); 240 } else if (ap->mAudioTrack != 0) { 241 ap->mAudioTrack->setVolume(leftVol, rightVol); 242 } 243 244 // changes in the AudioPlayer volume must be reflected in the send level: 245 // in SLEffectSendItf or in SLAndroidEffectSendItf? 246 // FIXME replace interface test by an internal API once we have one. 247 if (NULL != ap->mEffectSend.mItf) { 248 for (unsigned int i=0 ; i<AUX_MAX ; i++) { 249 if (ap->mEffectSend.mEnableLevels[i].mEnable) { 250 android_fxSend_setSendLevel(ap, 251 ap->mEffectSend.mEnableLevels[i].mSendLevel + ap->mVolume.mLevel); 252 // there's a single aux bus on Android, so we can stop looking once the first 253 // aux effect is found. 254 break; 255 } 256 } 257 } else if (NULL != ap->mAndroidEffectSend.mItf) { 258 android_fxSend_setSendLevel(ap, ap->mAndroidEffectSend.mSendLevel + ap->mVolume.mLevel); 259 } 260} 261 262// Called by android_audioPlayer_volumeUpdate and android_mediaPlayer_volumeUpdate to compute 263// volumes, but setting volumes is handled by the caller. 264 265void android_player_volumeUpdate(float *pVolumes /*[2]*/, const IVolume *volumeItf, unsigned 266channelCount, float amplFromDirectLevel, const bool *audibilityFactors /*[2]*/) 267{ 268 assert(pVolumes != NULL); 269 assert(volumeItf != NULL); 270 // OK for audibilityFactors to be NULL 271 272 bool leftAudibilityFactor, rightAudibilityFactor; 273 274 // apply player mute factor 275 // note that AudioTrack has mute() but not MediaPlayer, so it's easier to use volume 276 // to mute for both rather than calling mute() for AudioTrack 277 278 // player is muted 279 if (volumeItf->mMute) { 280 leftAudibilityFactor = false; 281 rightAudibilityFactor = false; 282 // player isn't muted, and channel mute/solo audibility factors are available (AudioPlayer) 283 } else if (audibilityFactors != NULL) { 284 leftAudibilityFactor = audibilityFactors[0]; 285 rightAudibilityFactor = audibilityFactors[1]; 286 // player isn't muted, and channel mute/solo audibility factors aren't available (MediaPlayer) 287 } else { 288 leftAudibilityFactor = true; 289 rightAudibilityFactor = true; 290 } 291 292 // compute amplification as the combination of volume level and stereo position 293 // amplification (or attenuation) from volume level 294 float amplFromVolLevel = sles_to_android_amplification(volumeItf->mLevel); 295 // amplification from direct level (changed in SLEffectSendtItf and SLAndroidEffectSendItf) 296 float leftVol = amplFromVolLevel * amplFromDirectLevel; 297 float rightVol = leftVol; 298 299 // amplification from stereo position 300 if (volumeItf->mEnableStereoPosition) { 301 // Left/right amplification (can be attenuations) factors derived for the StereoPosition 302 float amplFromStereoPos[STEREO_CHANNELS]; 303 // panning law depends on content channel count: mono to stereo panning vs stereo balance 304 if (1 == channelCount) { 305 // mono to stereo panning 306 double theta = (1000+volumeItf->mStereoPosition)*M_PI_4/1000.0f; // 0 <= theta <= Pi/2 307 amplFromStereoPos[0] = cos(theta); 308 amplFromStereoPos[1] = sin(theta); 309 // channel count is 0 (unknown), 2 (stereo), or > 2 (multi-channel) 310 } else { 311 // stereo balance 312 if (volumeItf->mStereoPosition > 0) { 313 amplFromStereoPos[0] = (1000-volumeItf->mStereoPosition)/1000.0f; 314 amplFromStereoPos[1] = 1.0f; 315 } else { 316 amplFromStereoPos[0] = 1.0f; 317 amplFromStereoPos[1] = (1000+volumeItf->mStereoPosition)/1000.0f; 318 } 319 } 320 leftVol *= amplFromStereoPos[0]; 321 rightVol *= amplFromStereoPos[1]; 322 } 323 324 // apply audibility factors 325 if (!leftAudibilityFactor) { 326 leftVol = 0.0; 327 } 328 if (!rightAudibilityFactor) { 329 rightVol = 0.0; 330 } 331 332 // return the computed volumes 333 pVolumes[0] = leftVol; 334 pVolumes[1] = rightVol; 335} 336 337//----------------------------------------------------------------------------- 338void audioTrack_handleMarker_lockPlay(CAudioPlayer* ap) { 339 //SL_LOGV("received event EVENT_MARKER from AudioTrack"); 340 slPlayCallback callback = NULL; 341 void* callbackPContext = NULL; 342 343 interface_lock_shared(&ap->mPlay); 344 callback = ap->mPlay.mCallback; 345 callbackPContext = ap->mPlay.mContext; 346 interface_unlock_shared(&ap->mPlay); 347 348 if (NULL != callback) { 349 // getting this event implies SL_PLAYEVENT_HEADATMARKER was set in the event mask 350 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATMARKER); 351 } 352} 353 354//----------------------------------------------------------------------------- 355void audioTrack_handleNewPos_lockPlay(CAudioPlayer* ap) { 356 //SL_LOGV("received event EVENT_NEW_POS from AudioTrack"); 357 slPlayCallback callback = NULL; 358 void* callbackPContext = NULL; 359 360 interface_lock_shared(&ap->mPlay); 361 callback = ap->mPlay.mCallback; 362 callbackPContext = ap->mPlay.mContext; 363 interface_unlock_shared(&ap->mPlay); 364 365 if (NULL != callback) { 366 // getting this event implies SL_PLAYEVENT_HEADATNEWPOS was set in the event mask 367 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATNEWPOS); 368 } 369} 370 371 372//----------------------------------------------------------------------------- 373void audioTrack_handleUnderrun_lockPlay(CAudioPlayer* ap) { 374 slPlayCallback callback = NULL; 375 void* callbackPContext = NULL; 376 377 interface_lock_shared(&ap->mPlay); 378 callback = ap->mPlay.mCallback; 379 callbackPContext = ap->mPlay.mContext; 380 bool headStalled = (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADSTALLED) != 0; 381 interface_unlock_shared(&ap->mPlay); 382 383 if ((NULL != callback) && headStalled) { 384 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADSTALLED); 385 } 386} 387 388 389//----------------------------------------------------------------------------- 390/** 391 * post-condition: play state of AudioPlayer is SL_PLAYSTATE_PAUSED if setPlayStateToPaused is true 392 * 393 * note: a conditional flag, setPlayStateToPaused, is used here to specify whether the play state 394 * needs to be changed when the player reaches the end of the content to play. This is 395 * relative to what the specification describes for buffer queues vs the 396 * SL_PLAYEVENT_HEADATEND event. In the OpenSL ES specification 1.0.1: 397 * - section 8.12 SLBufferQueueItf states "In the case of starvation due to insufficient 398 * buffers in the queue, the playing of audio data stops. The player remains in the 399 * SL_PLAYSTATE_PLAYING state." 400 * - section 9.2.31 SL_PLAYEVENT states "SL_PLAYEVENT_HEADATEND Playback head is at the end 401 * of the current content and the player has paused." 402 */ 403void audioPlayer_dispatch_headAtEnd_lockPlay(CAudioPlayer *ap, bool setPlayStateToPaused, 404 bool needToLock) { 405 //SL_LOGV("ap=%p, setPlayStateToPaused=%d, needToLock=%d", ap, setPlayStateToPaused, 406 // needToLock); 407 slPlayCallback playCallback = NULL; 408 void * playContext = NULL; 409 // SLPlayItf callback or no callback? 410 if (needToLock) { 411 interface_lock_exclusive(&ap->mPlay); 412 } 413 if (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADATEND) { 414 playCallback = ap->mPlay.mCallback; 415 playContext = ap->mPlay.mContext; 416 } 417 if (setPlayStateToPaused) { 418 ap->mPlay.mState = SL_PLAYSTATE_PAUSED; 419 } 420 if (needToLock) { 421 interface_unlock_exclusive(&ap->mPlay); 422 } 423 // enqueue callback with no lock held 424 if (NULL != playCallback) { 425#ifndef USE_ASYNCHRONOUS_PLAY_CALLBACK 426 (*playCallback)(&ap->mPlay.mItf, playContext, SL_PLAYEVENT_HEADATEND); 427#else 428 SLresult result = EnqueueAsyncCallback_ppi(ap, playCallback, &ap->mPlay.mItf, playContext, 429 SL_PLAYEVENT_HEADATEND); 430 if (SL_RESULT_SUCCESS != result) { 431 ALOGW("Callback %p(%p, %p, SL_PLAYEVENT_HEADATEND) dropped", playCallback, 432 &ap->mPlay.mItf, playContext); 433 } 434#endif 435 } 436 437} 438 439 440//----------------------------------------------------------------------------- 441SLresult audioPlayer_setStreamType(CAudioPlayer* ap, SLint32 type) { 442 SLresult result = SL_RESULT_SUCCESS; 443 SL_LOGV("type %d", type); 444 445 audio_stream_type_t newStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE; 446 switch (type) { 447 case SL_ANDROID_STREAM_VOICE: 448 newStreamType = AUDIO_STREAM_VOICE_CALL; 449 break; 450 case SL_ANDROID_STREAM_SYSTEM: 451 newStreamType = AUDIO_STREAM_SYSTEM; 452 break; 453 case SL_ANDROID_STREAM_RING: 454 newStreamType = AUDIO_STREAM_RING; 455 break; 456 case SL_ANDROID_STREAM_MEDIA: 457 newStreamType = AUDIO_STREAM_MUSIC; 458 break; 459 case SL_ANDROID_STREAM_ALARM: 460 newStreamType = AUDIO_STREAM_ALARM; 461 break; 462 case SL_ANDROID_STREAM_NOTIFICATION: 463 newStreamType = AUDIO_STREAM_NOTIFICATION; 464 break; 465 default: 466 SL_LOGE(ERROR_PLAYERSTREAMTYPE_SET_UNKNOWN_TYPE); 467 result = SL_RESULT_PARAMETER_INVALID; 468 break; 469 } 470 471 // stream type needs to be set before the object is realized 472 // (ap->mAudioTrack is supposed to be NULL until then) 473 if (SL_OBJECT_STATE_UNREALIZED != ap->mObject.mState) { 474 SL_LOGE(ERROR_PLAYERSTREAMTYPE_REALIZED); 475 result = SL_RESULT_PRECONDITIONS_VIOLATED; 476 } else { 477 ap->mStreamType = newStreamType; 478 } 479 480 return result; 481} 482 483 484//----------------------------------------------------------------------------- 485SLresult audioPlayer_getStreamType(CAudioPlayer* ap, SLint32 *pType) { 486 SLresult result = SL_RESULT_SUCCESS; 487 488 switch (ap->mStreamType) { 489 case AUDIO_STREAM_VOICE_CALL: 490 *pType = SL_ANDROID_STREAM_VOICE; 491 break; 492 case AUDIO_STREAM_SYSTEM: 493 *pType = SL_ANDROID_STREAM_SYSTEM; 494 break; 495 case AUDIO_STREAM_RING: 496 *pType = SL_ANDROID_STREAM_RING; 497 break; 498 case AUDIO_STREAM_DEFAULT: 499 case AUDIO_STREAM_MUSIC: 500 *pType = SL_ANDROID_STREAM_MEDIA; 501 break; 502 case AUDIO_STREAM_ALARM: 503 *pType = SL_ANDROID_STREAM_ALARM; 504 break; 505 case AUDIO_STREAM_NOTIFICATION: 506 *pType = SL_ANDROID_STREAM_NOTIFICATION; 507 break; 508 default: 509 result = SL_RESULT_INTERNAL_ERROR; 510 *pType = SL_ANDROID_STREAM_MEDIA; 511 break; 512 } 513 514 return result; 515} 516 517 518//----------------------------------------------------------------------------- 519void audioPlayer_auxEffectUpdate(CAudioPlayer* ap) { 520 if ((ap->mAudioTrack != 0) && (ap->mAuxEffect != 0)) { 521 android_fxSend_attach(ap, true, ap->mAuxEffect, ap->mVolume.mLevel + ap->mAuxSendLevel); 522 } 523} 524 525 526//----------------------------------------------------------------------------- 527/* 528 * returns true if the given data sink is supported by AudioPlayer that doesn't 529 * play to an OutputMix object, false otherwise 530 * 531 * pre-condition: the locator of the audio sink is not SL_DATALOCATOR_OUTPUTMIX 532 */ 533bool audioPlayer_isSupportedNonOutputMixSink(const SLDataSink* pAudioSink) { 534 bool result = true; 535 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSink->pLocator; 536 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSink->pFormat; 537 538 switch (sinkLocatorType) { 539 540 case SL_DATALOCATOR_BUFFERQUEUE: 541 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 542 if (SL_DATAFORMAT_PCM != sinkFormatType) { 543 SL_LOGE("Unsupported sink format 0x%x, expected SL_DATAFORMAT_PCM", 544 (unsigned)sinkFormatType); 545 result = false; 546 } 547 // it's no use checking the PCM format fields because additional characteristics 548 // such as the number of channels, or sample size are unknown to the player at this stage 549 break; 550 551 default: 552 SL_LOGE("Unsupported sink locator type 0x%x", (unsigned)sinkLocatorType); 553 result = false; 554 break; 555 } 556 557 return result; 558} 559 560 561//----------------------------------------------------------------------------- 562/* 563 * returns the Android object type if the locator type combinations for the source and sinks 564 * are supported by this implementation, INVALID_TYPE otherwise 565 */ 566static 567AndroidObjectType audioPlayer_getAndroidObjectTypeForSourceSink(const CAudioPlayer *ap) { 568 569 const SLDataSource *pAudioSrc = &ap->mDataSource.u.mSource; 570 const SLDataSink *pAudioSnk = &ap->mDataSink.u.mSink; 571 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 572 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 573 AndroidObjectType type = INVALID_TYPE; 574 575 //-------------------------------------- 576 // Sink / source matching check: 577 // the following source / sink combinations are supported 578 // SL_DATALOCATOR_BUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 579 // SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 580 // SL_DATALOCATOR_URI / SL_DATALOCATOR_OUTPUTMIX 581 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_OUTPUTMIX 582 // SL_DATALOCATOR_ANDROIDBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 583 // SL_DATALOCATOR_ANDROIDBUFFERQUEUE / SL_DATALOCATOR_BUFFERQUEUE 584 // SL_DATALOCATOR_URI / SL_DATALOCATOR_BUFFERQUEUE 585 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_BUFFERQUEUE 586 // SL_DATALOCATOR_URI / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 587 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 588 switch (sinkLocatorType) { 589 590 case SL_DATALOCATOR_OUTPUTMIX: { 591 switch (sourceLocatorType) { 592 593 // Buffer Queue to AudioTrack 594 case SL_DATALOCATOR_BUFFERQUEUE: 595 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 596 type = AUDIOPLAYER_FROM_PCM_BUFFERQUEUE; 597 break; 598 599 // URI or FD to MediaPlayer 600 case SL_DATALOCATOR_URI: 601 case SL_DATALOCATOR_ANDROIDFD: 602 type = AUDIOPLAYER_FROM_URIFD; 603 break; 604 605 // Android BufferQueue to MediaPlayer (shared memory streaming) 606 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 607 type = AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE; 608 break; 609 610 default: 611 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_OUTPUTMIX sink", 612 (unsigned)sourceLocatorType); 613 break; 614 } 615 } 616 break; 617 618 case SL_DATALOCATOR_BUFFERQUEUE: 619 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 620 switch (sourceLocatorType) { 621 622 // URI or FD decoded to PCM in a buffer queue 623 case SL_DATALOCATOR_URI: 624 case SL_DATALOCATOR_ANDROIDFD: 625 type = AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE; 626 break; 627 628 // AAC ADTS Android buffer queue decoded to PCM in a buffer queue 629 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 630 type = AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE; 631 break; 632 633 default: 634 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_BUFFERQUEUE sink", 635 (unsigned)sourceLocatorType); 636 break; 637 } 638 break; 639 640 default: 641 SL_LOGE("Sink data locator 0x%x not supported", (unsigned)sinkLocatorType); 642 break; 643 } 644 645 return type; 646} 647 648 649//----------------------------------------------------------------------------- 650/* 651 * Callback associated with an SfPlayer of an SL ES AudioPlayer that gets its data 652 * from a URI or FD, for prepare, prefetch, and play events 653 */ 654static void sfplayer_handlePrefetchEvent(int event, int data1, int data2, void* user) { 655 656 // FIXME see similar code and comment in player_handleMediaPlayerEventNotifications 657 658 if (NULL == user) { 659 return; 660 } 661 662 CAudioPlayer *ap = (CAudioPlayer *)user; 663 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 664 // it is not safe to enter the callback (the track is about to go away) 665 return; 666 } 667 union { 668 char c[sizeof(int)]; 669 int i; 670 } u; 671 u.i = event; 672 SL_LOGV("sfplayer_handlePrefetchEvent(event='%c%c%c%c' (%d), data1=%d, data2=%d, user=%p) from " 673 "SfAudioPlayer", u.c[3], u.c[2], u.c[1], u.c[0], event, data1, data2, user); 674 switch (event) { 675 676 case android::GenericPlayer::kEventPrepared: { 677 SL_LOGV("Received GenericPlayer::kEventPrepared for CAudioPlayer %p", ap); 678 679 // assume no callback 680 slPrefetchCallback callback = NULL; 681 void* callbackPContext; 682 SLuint32 events; 683 684 object_lock_exclusive(&ap->mObject); 685 686 // mark object as prepared; same state is used for successful or unsuccessful prepare 687 assert(ap->mAndroidObjState == ANDROID_PREPARING); 688 ap->mAndroidObjState = ANDROID_READY; 689 690 if (PLAYER_SUCCESS == data1) { 691 // Most of successful prepare completion for ap->mAPlayer 692 // is handled by GenericPlayer and its subclasses. 693 } else { 694 // SfPlayer prepare() failed prefetching, there is no event in SLPrefetchStatus to 695 // indicate a prefetch error, so we signal it by sending simultaneously two events: 696 // - SL_PREFETCHEVENT_FILLLEVELCHANGE with a level of 0 697 // - SL_PREFETCHEVENT_STATUSCHANGE with a status of SL_PREFETCHSTATUS_UNDERFLOW 698 SL_LOGE(ERROR_PLAYER_PREFETCH_d, data1); 699 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 700 ap->mPrefetchStatus.mLevel = 0; 701 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 702 if (!(~ap->mPrefetchStatus.mCallbackEventsMask & 703 (SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE))) { 704 callback = ap->mPrefetchStatus.mCallback; 705 callbackPContext = ap->mPrefetchStatus.mContext; 706 events = SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE; 707 } 708 } 709 } 710 711 object_unlock_exclusive(&ap->mObject); 712 713 // callback with no lock held 714 if (NULL != callback) { 715 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, events); 716 } 717 718 } 719 break; 720 721 case android::GenericPlayer::kEventPrefetchFillLevelUpdate : { 722 if (!IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 723 break; 724 } 725 slPrefetchCallback callback = NULL; 726 void* callbackPContext = NULL; 727 728 // SLPrefetchStatusItf callback or no callback? 729 interface_lock_exclusive(&ap->mPrefetchStatus); 730 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE) { 731 callback = ap->mPrefetchStatus.mCallback; 732 callbackPContext = ap->mPrefetchStatus.mContext; 733 } 734 ap->mPrefetchStatus.mLevel = (SLpermille)data1; 735 interface_unlock_exclusive(&ap->mPrefetchStatus); 736 737 // callback with no lock held 738 if (NULL != callback) { 739 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, 740 SL_PREFETCHEVENT_FILLLEVELCHANGE); 741 } 742 } 743 break; 744 745 case android::GenericPlayer::kEventPrefetchStatusChange: { 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 object_lock_exclusive(&ap->mObject); 754 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) { 755 callback = ap->mPrefetchStatus.mCallback; 756 callbackPContext = ap->mPrefetchStatus.mContext; 757 } 758 if (data1 >= android::kStatusIntermediate) { 759 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA; 760 } else if (data1 < android::kStatusIntermediate) { 761 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 762 } 763 object_unlock_exclusive(&ap->mObject); 764 765 // callback with no lock held 766 if (NULL != callback) { 767 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, SL_PREFETCHEVENT_STATUSCHANGE); 768 } 769 } 770 break; 771 772 case android::GenericPlayer::kEventEndOfStream: { 773 audioPlayer_dispatch_headAtEnd_lockPlay(ap, true /*set state to paused?*/, true); 774 if ((ap->mAudioTrack != 0) && (!ap->mSeek.mLoopEnabled)) { 775 ap->mAudioTrack->stop(); 776 } 777 } 778 break; 779 780 case android::GenericPlayer::kEventChannelCount: { 781 object_lock_exclusive(&ap->mObject); 782 if (UNKNOWN_NUMCHANNELS == ap->mNumChannels && UNKNOWN_NUMCHANNELS != data1) { 783 ap->mNumChannels = data1; 784 android_audioPlayer_volumeUpdate(ap); 785 } 786 object_unlock_exclusive(&ap->mObject); 787 } 788 break; 789 790 case android::GenericPlayer::kEventPlay: { 791 slPlayCallback callback = NULL; 792 void* callbackPContext = NULL; 793 794 interface_lock_shared(&ap->mPlay); 795 callback = ap->mPlay.mCallback; 796 callbackPContext = ap->mPlay.mContext; 797 interface_unlock_shared(&ap->mPlay); 798 799 if (NULL != callback) { 800 SLuint32 event = (SLuint32) data1; // SL_PLAYEVENT_HEAD* 801#ifndef USE_ASYNCHRONOUS_PLAY_CALLBACK 802 // synchronous callback requires a synchronous GetPosition implementation 803 (*callback)(&ap->mPlay.mItf, callbackPContext, event); 804#else 805 // asynchronous callback works with any GetPosition implementation 806 SLresult result = EnqueueAsyncCallback_ppi(ap, callback, &ap->mPlay.mItf, 807 callbackPContext, event); 808 if (SL_RESULT_SUCCESS != result) { 809 ALOGW("Callback %p(%p, %p, 0x%x) dropped", callback, 810 &ap->mPlay.mItf, callbackPContext, event); 811 } 812#endif 813 } 814 } 815 break; 816 817 case android::GenericPlayer::kEventErrorAfterPrepare: { 818 SL_LOGV("kEventErrorAfterPrepare"); 819 820 // assume no callback 821 slPrefetchCallback callback = NULL; 822 void* callbackPContext = NULL; 823 824 object_lock_exclusive(&ap->mObject); 825 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 826 ap->mPrefetchStatus.mLevel = 0; 827 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 828 if (!(~ap->mPrefetchStatus.mCallbackEventsMask & 829 (SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE))) { 830 callback = ap->mPrefetchStatus.mCallback; 831 callbackPContext = ap->mPrefetchStatus.mContext; 832 } 833 } 834 object_unlock_exclusive(&ap->mObject); 835 836 // FIXME there's interesting information in data1, but no API to convey it to client 837 SL_LOGE("Error after prepare: %d", data1); 838 839 // callback with no lock held 840 if (NULL != callback) { 841 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, 842 SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE); 843 } 844 845 } 846 break; 847 848 case android::GenericPlayer::kEventHasVideoSize: 849 //SL_LOGW("Unexpected kEventHasVideoSize"); 850 break; 851 852 default: 853 break; 854 } 855 856 ap->mCallbackProtector->exitCb(); 857} 858 859// From EffectDownmix.h 860static 861const uint32_t kSides = AUDIO_CHANNEL_OUT_SIDE_LEFT | AUDIO_CHANNEL_OUT_SIDE_RIGHT; 862static 863const uint32_t kBacks = AUDIO_CHANNEL_OUT_BACK_LEFT | AUDIO_CHANNEL_OUT_BACK_RIGHT; 864static 865const uint32_t kUnsupported = 866 AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER | AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER | 867 AUDIO_CHANNEL_OUT_TOP_CENTER | 868 AUDIO_CHANNEL_OUT_TOP_FRONT_LEFT | 869 AUDIO_CHANNEL_OUT_TOP_FRONT_CENTER | 870 AUDIO_CHANNEL_OUT_TOP_FRONT_RIGHT | 871 AUDIO_CHANNEL_OUT_TOP_BACK_LEFT | 872 AUDIO_CHANNEL_OUT_TOP_BACK_CENTER | 873 AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT; 874 875//TODO(pmclean) This will need to be revisited when arbitrary N-channel support is added. 876static 877SLresult android_audioPlayer_validateChannelMask(uint32_t mask, uint32_t numChans) { 878 // Check that the number of channels falls within bounds. 879 if (numChans == 0 || numChans > FCC_8) { 880 return SL_RESULT_CONTENT_UNSUPPORTED; 881 } 882 // Are there the right number of channels in the mask? 883 if (audio_channel_count_from_out_mask(mask) != numChans) { 884 return SL_RESULT_CONTENT_UNSUPPORTED; 885 } 886 // check against unsupported channels 887 if (mask & kUnsupported) { 888 ALOGE("Unsupported channels (top or front left/right of center)"); 889 return SL_RESULT_CONTENT_UNSUPPORTED; 890 } 891 // verify has FL/FR if more than one channel 892 if (numChans > 1 && (mask & AUDIO_CHANNEL_OUT_STEREO) != AUDIO_CHANNEL_OUT_STEREO) { 893 ALOGE("Front channels must be present"); 894 return SL_RESULT_CONTENT_UNSUPPORTED; 895 } 896 // verify uses SIDE as a pair (ok if not using SIDE at all) 897 bool hasSides = false; 898 if ((mask & kSides) != 0) { 899 if ((mask & kSides) != kSides) { 900 ALOGE("Side channels must be used as a pair"); 901 return SL_RESULT_CONTENT_UNSUPPORTED; 902 } 903 hasSides = true; 904 } 905 // verify uses BACK as a pair (ok if not using BACK at all) 906 bool hasBacks = false; 907 if ((mask & kBacks) != 0) { 908 if ((mask & kBacks) != kBacks) { 909 ALOGE("Back channels must be used as a pair"); 910 return SL_RESULT_CONTENT_UNSUPPORTED; 911 } 912 hasBacks = true; 913 } 914 915 return SL_RESULT_SUCCESS; 916} 917 918//----------------------------------------------------------------------------- 919SLresult android_audioPlayer_checkSourceSink(CAudioPlayer *pAudioPlayer) 920{ 921 // verify that the locator types for the source / sink combination is supported 922 pAudioPlayer->mAndroidObjType = audioPlayer_getAndroidObjectTypeForSourceSink(pAudioPlayer); 923 if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) { 924 return SL_RESULT_PARAMETER_INVALID; 925 } 926 927 const SLDataSource *pAudioSrc = &pAudioPlayer->mDataSource.u.mSource; 928 const SLDataSink *pAudioSnk = &pAudioPlayer->mDataSink.u.mSink; 929 930 // format check: 931 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 932 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 933 const SLuint32 sourceFormatType = *(SLuint32 *)pAudioSrc->pFormat; 934 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSnk->pFormat; 935 936 const SLuint32 *df_representation = NULL; // pointer to representation field, if it exists 937 938 switch (sourceLocatorType) { 939 //------------------ 940 // Buffer Queues 941 case SL_DATALOCATOR_BUFFERQUEUE: 942 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 943 { 944 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) pAudioSrc->pLocator; 945 946 // Buffer format 947 switch (sourceFormatType) { 948 // currently only PCM buffer queues are supported, 949 case SL_ANDROID_DATAFORMAT_PCM_EX: { 950 const SLAndroidDataFormat_PCM_EX *df_pcm = 951 (const SLAndroidDataFormat_PCM_EX *) pAudioSrc->pFormat; 952 // checkDataFormat() already checked representation 953 df_representation = &df_pcm->representation; 954 } // SL_ANDROID_DATAFORMAT_PCM_EX - fall through to next test. 955 case SL_DATAFORMAT_PCM: { 956 const SLDataFormat_PCM *df_pcm = (const SLDataFormat_PCM *) pAudioSrc->pFormat; 957 SLresult result = android_audioPlayer_validateChannelMask(df_pcm->channelMask, 958 df_pcm->numChannels); 959 if (result != SL_RESULT_SUCCESS) { 960 SL_LOGE("Cannot create audio player: unsupported PCM data source with %u channels", 961 (unsigned) df_pcm->numChannels); 962 return result; 963 } 964 965 // checkDataFormat() already checked sample rate 966 967 // checkDataFormat() already checked bits per sample, container size, and representation 968 969 // FIXME confirm the following 970 // df_pcm->channelMask: the earlier platform-independent check and the 971 // upcoming check by sles_to_android_channelMaskOut are sufficient 972 switch (df_pcm->endianness) { 973 case SL_BYTEORDER_LITTLEENDIAN: 974 break; 975 case SL_BYTEORDER_BIGENDIAN: 976 SL_LOGE("Cannot create audio player: unsupported big-endian byte order"); 977 return SL_RESULT_CONTENT_UNSUPPORTED; 978 // native is proposed but not yet in spec 979 default: 980 SL_LOGE("Cannot create audio player: unsupported byte order %u", 981 (unsigned) df_pcm->endianness); 982 return SL_RESULT_CONTENT_UNSUPPORTED; 983 } 984 } //case SL_DATAFORMAT_PCM 985 break; 986 case SL_DATAFORMAT_MIME: 987 case XA_DATAFORMAT_RAWIMAGE: 988 SL_LOGE("Cannot create audio player with buffer queue data source " 989 "without SL_DATAFORMAT_PCM format"); 990 return SL_RESULT_CONTENT_UNSUPPORTED; 991 default: 992 // invalid data format is detected earlier 993 assert(false); 994 return SL_RESULT_INTERNAL_ERROR; 995 } // switch (sourceFormatType) 996 } // case SL_DATALOCATOR_BUFFERQUEUE or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 997 break; 998 //------------------ 999 // URI 1000 case SL_DATALOCATOR_URI: 1001 { 1002 SLDataLocator_URI *dl_uri = (SLDataLocator_URI *) pAudioSrc->pLocator; 1003 if (NULL == dl_uri->URI) { 1004 return SL_RESULT_PARAMETER_INVALID; 1005 } 1006 // URI format 1007 switch (sourceFormatType) { 1008 case SL_DATAFORMAT_MIME: 1009 break; 1010 default: 1011 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_URI data source without " 1012 "SL_DATAFORMAT_MIME format"); 1013 return SL_RESULT_CONTENT_UNSUPPORTED; 1014 } // switch (sourceFormatType) 1015 // decoding format check 1016 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 1017 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 1018 return SL_RESULT_CONTENT_UNSUPPORTED; 1019 } 1020 } // case SL_DATALOCATOR_URI 1021 break; 1022 //------------------ 1023 // File Descriptor 1024 case SL_DATALOCATOR_ANDROIDFD: 1025 { 1026 // fd is already non null 1027 switch (sourceFormatType) { 1028 case SL_DATAFORMAT_MIME: 1029 break; 1030 default: 1031 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_ANDROIDFD data source " 1032 "without SL_DATAFORMAT_MIME format"); 1033 return SL_RESULT_CONTENT_UNSUPPORTED; 1034 } // switch (sourceFormatType) 1035 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 1036 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 1037 return SL_RESULT_CONTENT_UNSUPPORTED; 1038 } 1039 } // case SL_DATALOCATOR_ANDROIDFD 1040 break; 1041 //------------------ 1042 // Stream 1043 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 1044 { 1045 switch (sourceFormatType) { 1046 case SL_DATAFORMAT_MIME: 1047 { 1048 SLDataFormat_MIME *df_mime = (SLDataFormat_MIME *) pAudioSrc->pFormat; 1049 if (NULL == df_mime) { 1050 SL_LOGE("MIME type null invalid"); 1051 return SL_RESULT_CONTENT_UNSUPPORTED; 1052 } 1053 SL_LOGD("source MIME is %s", (char*)df_mime->mimeType); 1054 switch (df_mime->containerType) { 1055 case SL_CONTAINERTYPE_MPEG_TS: 1056 if (strcasecmp((char*)df_mime->mimeType, (const char *)XA_ANDROID_MIME_MP2TS)) { 1057 SL_LOGE("Invalid MIME (%s) for container SL_CONTAINERTYPE_MPEG_TS, expects %s", 1058 (char*)df_mime->mimeType, XA_ANDROID_MIME_MP2TS); 1059 return SL_RESULT_CONTENT_UNSUPPORTED; 1060 } 1061 if (pAudioPlayer->mAndroidObjType != AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE) { 1062 SL_LOGE("Invalid sink for container SL_CONTAINERTYPE_MPEG_TS"); 1063 return SL_RESULT_PARAMETER_INVALID; 1064 } 1065 break; 1066 case SL_CONTAINERTYPE_RAW: 1067 case SL_CONTAINERTYPE_AAC: 1068 if (strcasecmp((char*)df_mime->mimeType, (const char *)SL_ANDROID_MIME_AACADTS) && 1069 strcasecmp((char*)df_mime->mimeType, 1070 ANDROID_MIME_AACADTS_ANDROID_FRAMEWORK)) { 1071 SL_LOGE("Invalid MIME (%s) for container type %d, expects %s", 1072 (char*)df_mime->mimeType, df_mime->containerType, 1073 SL_ANDROID_MIME_AACADTS); 1074 return SL_RESULT_CONTENT_UNSUPPORTED; 1075 } 1076 if (pAudioPlayer->mAndroidObjType != AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE) { 1077 SL_LOGE("Invalid sink for container SL_CONTAINERTYPE_AAC"); 1078 return SL_RESULT_PARAMETER_INVALID; 1079 } 1080 break; 1081 default: 1082 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1083 "that is not fed MPEG-2 TS data or AAC ADTS data"); 1084 return SL_RESULT_CONTENT_UNSUPPORTED; 1085 } 1086 } 1087 break; 1088 default: 1089 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1090 "without SL_DATAFORMAT_MIME format"); 1091 return SL_RESULT_CONTENT_UNSUPPORTED; 1092 } 1093 } 1094 break; // case SL_DATALOCATOR_ANDROIDBUFFERQUEUE 1095 //------------------ 1096 // Address 1097 case SL_DATALOCATOR_ADDRESS: 1098 case SL_DATALOCATOR_IODEVICE: 1099 case SL_DATALOCATOR_OUTPUTMIX: 1100 case XA_DATALOCATOR_NATIVEDISPLAY: 1101 case SL_DATALOCATOR_MIDIBUFFERQUEUE: 1102 SL_LOGE("Cannot create audio player with data locator type 0x%x", 1103 (unsigned) sourceLocatorType); 1104 return SL_RESULT_CONTENT_UNSUPPORTED; 1105 default: 1106 SL_LOGE("Cannot create audio player with invalid data locator type 0x%x", 1107 (unsigned) sourceLocatorType); 1108 return SL_RESULT_PARAMETER_INVALID; 1109 }// switch (locatorType) 1110 1111 return SL_RESULT_SUCCESS; 1112} 1113 1114 1115//----------------------------------------------------------------------------- 1116// Callback associated with an AudioTrack of an SL ES AudioPlayer that gets its data 1117// from a buffer queue. This will not be called once the AudioTrack has been destroyed. 1118static void audioTrack_callBack_pullFromBuffQueue(int event, void* user, void *info) { 1119 CAudioPlayer *ap = (CAudioPlayer *)user; 1120 1121 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 1122 // it is not safe to enter the callback (the track is about to go away) 1123 return; 1124 } 1125 1126 void * callbackPContext = NULL; 1127 switch (event) { 1128 1129 case android::AudioTrack::EVENT_MORE_DATA: { 1130 //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack TID=%d", gettid()); 1131 slPrefetchCallback prefetchCallback = NULL; 1132 void *prefetchContext = NULL; 1133 SLuint32 prefetchEvents = SL_PREFETCHEVENT_NONE; 1134 android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info; 1135 1136 // retrieve data from the buffer queue 1137 interface_lock_exclusive(&ap->mBufferQueue); 1138 1139 if (ap->mBufferQueue.mCallbackPending) { 1140 // call callback with lock not held 1141 slBufferQueueCallback callback = ap->mBufferQueue.mCallback; 1142 if (NULL != callback) { 1143 callbackPContext = ap->mBufferQueue.mContext; 1144 interface_unlock_exclusive(&ap->mBufferQueue); 1145 (*callback)(&ap->mBufferQueue.mItf, callbackPContext); 1146 interface_lock_exclusive(&ap->mBufferQueue); 1147 ap->mBufferQueue.mCallbackPending = false; 1148 } 1149 } 1150 1151 if (ap->mBufferQueue.mState.count != 0) { 1152 //SL_LOGV("nbBuffers in queue = %u",ap->mBufferQueue.mState.count); 1153 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear); 1154 1155 BufferHeader *oldFront = ap->mBufferQueue.mFront; 1156 BufferHeader *newFront = &oldFront[1]; 1157 1158 size_t availSource = oldFront->mSize - ap->mBufferQueue.mSizeConsumed; 1159 size_t availSink = pBuff->size; 1160 size_t bytesToCopy = availSource < availSink ? availSource : availSink; 1161 void *pSrc = (char *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed; 1162 memcpy(pBuff->raw, pSrc, bytesToCopy); 1163 1164 if (bytesToCopy < availSource) { 1165 ap->mBufferQueue.mSizeConsumed += bytesToCopy; 1166 // pBuff->size is already equal to bytesToCopy in this case 1167 } else { 1168 // consumed an entire buffer, dequeue 1169 pBuff->size = bytesToCopy; 1170 ap->mBufferQueue.mSizeConsumed = 0; 1171 if (newFront == 1172 &ap->mBufferQueue.mArray 1173 [ap->mBufferQueue.mNumBuffers + 1]) 1174 { 1175 newFront = ap->mBufferQueue.mArray; 1176 } 1177 ap->mBufferQueue.mFront = newFront; 1178 1179 ap->mBufferQueue.mState.count--; 1180 ap->mBufferQueue.mState.playIndex++; 1181 ap->mBufferQueue.mCallbackPending = true; 1182 } 1183 } else { // empty queue 1184 // signal no data available 1185 pBuff->size = 0; 1186 1187 // signal we're at the end of the content, but don't pause (see note in function) 1188 audioPlayer_dispatch_headAtEnd_lockPlay(ap, false /*set state to paused?*/, false); 1189 1190 // signal underflow to prefetch status itf 1191 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 1192 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 1193 ap->mPrefetchStatus.mLevel = 0; 1194 // callback or no callback? 1195 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask & 1196 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE); 1197 if (SL_PREFETCHEVENT_NONE != prefetchEvents) { 1198 prefetchCallback = ap->mPrefetchStatus.mCallback; 1199 prefetchContext = ap->mPrefetchStatus.mContext; 1200 } 1201 } 1202 1203 // stop the track so it restarts playing faster when new data is enqueued 1204 ap->mAudioTrack->stop(); 1205 } 1206 interface_unlock_exclusive(&ap->mBufferQueue); 1207 1208 // notify client 1209 if (NULL != prefetchCallback) { 1210 assert(SL_PREFETCHEVENT_NONE != prefetchEvents); 1211 // spec requires separate callbacks for each event 1212 if (prefetchEvents & SL_PREFETCHEVENT_STATUSCHANGE) { 1213 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, 1214 SL_PREFETCHEVENT_STATUSCHANGE); 1215 } 1216 if (prefetchEvents & SL_PREFETCHEVENT_FILLLEVELCHANGE) { 1217 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, 1218 SL_PREFETCHEVENT_FILLLEVELCHANGE); 1219 } 1220 } 1221 } 1222 break; 1223 1224 case android::AudioTrack::EVENT_MARKER: 1225 //SL_LOGI("received event EVENT_MARKER from AudioTrack"); 1226 audioTrack_handleMarker_lockPlay(ap); 1227 break; 1228 1229 case android::AudioTrack::EVENT_NEW_POS: 1230 //SL_LOGI("received event EVENT_NEW_POS from AudioTrack"); 1231 audioTrack_handleNewPos_lockPlay(ap); 1232 break; 1233 1234 case android::AudioTrack::EVENT_UNDERRUN: 1235 //SL_LOGI("received event EVENT_UNDERRUN from AudioTrack"); 1236 audioTrack_handleUnderrun_lockPlay(ap); 1237 break; 1238 1239 case android::AudioTrack::EVENT_NEW_IAUDIOTRACK: 1240 // ignore for now 1241 break; 1242 1243 case android::AudioTrack::EVENT_BUFFER_END: 1244 case android::AudioTrack::EVENT_LOOP_END: 1245 case android::AudioTrack::EVENT_STREAM_END: 1246 // These are unexpected so fall through 1247 default: 1248 // FIXME where does the notification of SL_PLAYEVENT_HEADMOVING fit? 1249 SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event, 1250 (CAudioPlayer *)user); 1251 break; 1252 } 1253 1254 ap->mCallbackProtector->exitCb(); 1255} 1256 1257 1258//----------------------------------------------------------------------------- 1259void android_audioPlayer_create(CAudioPlayer *pAudioPlayer) { 1260 1261 // pAudioPlayer->mAndroidObjType has been set in android_audioPlayer_checkSourceSink() 1262 // and if it was == INVALID_TYPE, then IEngine_CreateAudioPlayer would never call us 1263 assert(INVALID_TYPE != pAudioPlayer->mAndroidObjType); 1264 1265 // These initializations are in the same order as the field declarations in classes.h 1266 1267 // FIXME Consolidate initializations (many of these already in IEngine_CreateAudioPlayer) 1268 // mAndroidObjType: see above comment 1269 pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED; 1270 pAudioPlayer->mSessionId = android::AudioSystem::newAudioUniqueId(); 1271 1272 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player 1273 // android::AudioSystem::acquireAudioSessionId(pAudioPlayer->mSessionId); 1274 1275 pAudioPlayer->mStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE; 1276 1277 // mAudioTrack 1278 pAudioPlayer->mCallbackProtector = new android::CallbackProtector(); 1279 // mAPLayer 1280 // mAuxEffect 1281 1282 pAudioPlayer->mAuxSendLevel = 0; 1283 pAudioPlayer->mAmplFromDirectLevel = 1.0f; // matches initial mDirectLevel value 1284 pAudioPlayer->mDeferredStart = false; 1285 1286 // This section re-initializes interface-specific fields that 1287 // can be set or used regardless of whether the interface is 1288 // exposed on the AudioPlayer or not 1289 1290 switch (pAudioPlayer->mAndroidObjType) { 1291 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1292 pAudioPlayer->mPlaybackRate.mMinRate = AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE; 1293 pAudioPlayer->mPlaybackRate.mMaxRate = AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE; 1294 break; 1295 case AUDIOPLAYER_FROM_URIFD: 1296 pAudioPlayer->mPlaybackRate.mMinRate = MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE; 1297 pAudioPlayer->mPlaybackRate.mMaxRate = MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE; 1298 break; 1299 default: 1300 // use the default range 1301 break; 1302 } 1303 1304} 1305 1306 1307//----------------------------------------------------------------------------- 1308SLresult android_audioPlayer_setConfig(CAudioPlayer *ap, const SLchar *configKey, 1309 const void *pConfigValue, SLuint32 valueSize) { 1310 1311 SLresult result; 1312 1313 assert(NULL != ap && NULL != configKey && NULL != pConfigValue); 1314 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1315 1316 // stream type 1317 if (KEY_STREAM_TYPE_PARAMSIZE > valueSize) { 1318 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1319 result = SL_RESULT_BUFFER_INSUFFICIENT; 1320 } else { 1321 result = audioPlayer_setStreamType(ap, *(SLuint32*)pConfigValue); 1322 } 1323 1324 } else { 1325 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 1326 result = SL_RESULT_PARAMETER_INVALID; 1327 } 1328 1329 return result; 1330} 1331 1332 1333//----------------------------------------------------------------------------- 1334SLresult android_audioPlayer_getConfig(CAudioPlayer* ap, const SLchar *configKey, 1335 SLuint32* pValueSize, void *pConfigValue) { 1336 1337 SLresult result; 1338 1339 assert(NULL != ap && NULL != configKey && NULL != pValueSize); 1340 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1341 1342 // stream type 1343 if (NULL == pConfigValue) { 1344 result = SL_RESULT_SUCCESS; 1345 } else if (KEY_STREAM_TYPE_PARAMSIZE > *pValueSize) { 1346 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1347 result = SL_RESULT_BUFFER_INSUFFICIENT; 1348 } else { 1349 result = audioPlayer_getStreamType(ap, (SLint32*)pConfigValue); 1350 } 1351 *pValueSize = KEY_STREAM_TYPE_PARAMSIZE; 1352 1353 } else { 1354 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 1355 result = SL_RESULT_PARAMETER_INVALID; 1356 } 1357 1358 return result; 1359} 1360 1361 1362// Called from android_audioPlayer_realize for a PCM buffer queue player 1363// to determine if it can use a fast track. 1364static bool canUseFastTrack(CAudioPlayer *pAudioPlayer) 1365{ 1366 assert(pAudioPlayer->mAndroidObjType == AUDIOPLAYER_FROM_PCM_BUFFERQUEUE); 1367 1368 // no need to check the buffer queue size, application side 1369 // double-buffering (and more) is not a requirement for using fast tracks 1370 1371 // Check a blacklist of interfaces that are incompatible with fast tracks. 1372 // The alternative, to check a whitelist of compatible interfaces, is 1373 // more maintainable but is too slow. As a compromise, in a debug build 1374 // we use both methods and warn if they produce different results. 1375 // In release builds, we only use the blacklist method. 1376 // If a blacklisted interface is added after realization using 1377 // DynamicInterfaceManagement::AddInterface, 1378 // then this won't be detected but the interface will be ineffective. 1379 bool blacklistResult = true; 1380 static const unsigned blacklist[] = { 1381 MPH_BASSBOOST, 1382 MPH_EFFECTSEND, 1383 MPH_ENVIRONMENTALREVERB, 1384 MPH_EQUALIZER, 1385 MPH_PLAYBACKRATE, 1386 MPH_PRESETREVERB, 1387 MPH_VIRTUALIZER, 1388 MPH_ANDROIDEFFECT, 1389 MPH_ANDROIDEFFECTSEND, 1390 // FIXME The problem with a blacklist is remembering to add new interfaces here 1391 }; 1392 for (unsigned i = 0; i < sizeof(blacklist)/sizeof(blacklist[0]); ++i) { 1393 if (IsInterfaceInitialized(&pAudioPlayer->mObject, blacklist[i])) { 1394 blacklistResult = false; 1395 break; 1396 } 1397 } 1398#if LOG_NDEBUG == 0 1399 bool whitelistResult = true; 1400 static const unsigned whitelist[] = { 1401 MPH_BUFFERQUEUE, 1402 MPH_DYNAMICINTERFACEMANAGEMENT, 1403 MPH_METADATAEXTRACTION, 1404 MPH_MUTESOLO, 1405 MPH_OBJECT, 1406 MPH_PLAY, 1407 MPH_PREFETCHSTATUS, 1408 MPH_VOLUME, 1409 MPH_ANDROIDCONFIGURATION, 1410 MPH_ANDROIDSIMPLEBUFFERQUEUE, 1411 MPH_ANDROIDBUFFERQUEUESOURCE, 1412 }; 1413 for (unsigned mph = MPH_MIN; mph < MPH_MAX; ++mph) { 1414 for (unsigned i = 0; i < sizeof(whitelist)/sizeof(whitelist[0]); ++i) { 1415 if (mph == whitelist[i]) { 1416 goto compatible; 1417 } 1418 } 1419 if (IsInterfaceInitialized(&pAudioPlayer->mObject, mph)) { 1420 whitelistResult = false; 1421 break; 1422 } 1423compatible: ; 1424 } 1425 if (whitelistResult != blacklistResult) { 1426 ALOGW("whitelistResult != blacklistResult"); 1427 // and use blacklistResult below 1428 } 1429#endif 1430 return blacklistResult; 1431} 1432 1433 1434//----------------------------------------------------------------------------- 1435// FIXME abstract out the diff between CMediaPlayer and CAudioPlayer 1436SLresult android_audioPlayer_realize(CAudioPlayer *pAudioPlayer, SLboolean async) { 1437 1438 SLresult result = SL_RESULT_SUCCESS; 1439 SL_LOGV("Realize pAudioPlayer=%p", pAudioPlayer); 1440 1441 AudioPlayback_Parameters app; 1442 app.sessionId = pAudioPlayer->mSessionId; 1443 app.streamType = pAudioPlayer->mStreamType; 1444 1445 switch (pAudioPlayer->mAndroidObjType) { 1446 1447 //----------------------------------- 1448 // AudioTrack 1449 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1450 { 1451 // initialize platform-specific CAudioPlayer fields 1452 1453 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) 1454 pAudioPlayer->mDynamicSource.mDataSource; 1455 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) 1456 pAudioPlayer->mDynamicSource.mDataSource->pFormat; 1457 1458 uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec); 1459 1460 audio_output_flags_t policy; 1461 if (canUseFastTrack(pAudioPlayer)) { 1462 policy = AUDIO_OUTPUT_FLAG_FAST; 1463 } else { 1464 policy = AUDIO_OUTPUT_FLAG_NONE; 1465 } 1466 1467 pAudioPlayer->mAudioTrack = new android::AudioTrack( 1468 pAudioPlayer->mStreamType, // streamType 1469 sampleRate, // sampleRate 1470 sles_to_android_sampleFormat(df_pcm), // format 1471 // FIXME ignores df_pcm->channelMask and assumes positional 1472 audio_channel_out_mask_from_count(df_pcm->numChannels), 1473 // channel mask 1474 0, // frameCount 1475 policy, // flags 1476 audioTrack_callBack_pullFromBuffQueue, // callback 1477 (void *) pAudioPlayer, // user 1478 0, // FIXME find appropriate frame count // notificationFrame 1479 pAudioPlayer->mSessionId); 1480 android::status_t status = pAudioPlayer->mAudioTrack->initCheck(); 1481 if (status != android::NO_ERROR) { 1482 SL_LOGE("AudioTrack::initCheck status %u", status); 1483 // FIXME should return a more specific result depending on status 1484 result = SL_RESULT_CONTENT_UNSUPPORTED; 1485 pAudioPlayer->mAudioTrack.clear(); 1486 return result; 1487 } 1488 1489 // initialize platform-independent CAudioPlayer fields 1490 1491 pAudioPlayer->mNumChannels = df_pcm->numChannels; 1492 pAudioPlayer->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES 1493 1494 // This use case does not have a separate "prepare" step 1495 pAudioPlayer->mAndroidObjState = ANDROID_READY; 1496 } 1497 break; 1498 1499 //----------------------------------- 1500 // MediaPlayer 1501 case AUDIOPLAYER_FROM_URIFD: { 1502 pAudioPlayer->mAPlayer = new android::LocAVPlayer(&app, false /*hasVideo*/); 1503 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, 1504 (void*)pAudioPlayer /*notifUSer*/); 1505 1506 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1507 case SL_DATALOCATOR_URI: { 1508 // The legacy implementation ran Stagefright within the application process, and 1509 // so allowed local pathnames specified by URI that were openable by 1510 // the application but were not openable by mediaserver. 1511 // The current implementation runs Stagefright (mostly) within mediaserver, 1512 // which runs as a different UID and likely a different current working directory. 1513 // For backwards compatibility with any applications which may have relied on the 1514 // previous behavior, we convert an openable file URI into an FD. 1515 // Note that unlike SL_DATALOCATOR_ANDROIDFD, this FD is owned by us 1516 // and so we close it as soon as we've passed it (via Binder dup) to mediaserver. 1517 const char *uri = (const char *)pAudioPlayer->mDataSource.mLocator.mURI.URI; 1518 if (!isDistantProtocol(uri)) { 1519 // don't touch the original uri, we may need it later 1520 const char *pathname = uri; 1521 // skip over an optional leading file:// prefix 1522 if (!strncasecmp(pathname, "file://", 7)) { 1523 pathname += 7; 1524 } 1525 // attempt to open it as a file using the application's credentials 1526 int fd = ::open(pathname, O_RDONLY); 1527 if (fd >= 0) { 1528 // if open is successful, then check to see if it's a regular file 1529 struct stat statbuf; 1530 if (!::fstat(fd, &statbuf) && S_ISREG(statbuf.st_mode)) { 1531 // treat similarly to an FD data locator, but 1532 // let setDataSource take responsibility for closing fd 1533 pAudioPlayer->mAPlayer->setDataSource(fd, 0, statbuf.st_size, true); 1534 break; 1535 } 1536 // we were able to open it, but it's not a file, so let mediaserver try 1537 (void) ::close(fd); 1538 } 1539 } 1540 // if either the URI didn't look like a file, or open failed, or not a file 1541 pAudioPlayer->mAPlayer->setDataSource(uri); 1542 } break; 1543 case SL_DATALOCATOR_ANDROIDFD: { 1544 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1545 pAudioPlayer->mAPlayer->setDataSource( 1546 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1547 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1548 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1549 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1550 } 1551 break; 1552 default: 1553 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1554 break; 1555 } 1556 1557 } 1558 break; 1559 1560 //----------------------------------- 1561 // StreamPlayer 1562 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: { 1563 android::StreamPlayer* splr = new android::StreamPlayer(&app, false /*hasVideo*/, 1564 &pAudioPlayer->mAndroidBufferQueue, pAudioPlayer->mCallbackProtector); 1565 pAudioPlayer->mAPlayer = splr; 1566 splr->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1567 } 1568 break; 1569 1570 //----------------------------------- 1571 // AudioToCbRenderer 1572 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 1573 android::AudioToCbRenderer* decoder = new android::AudioToCbRenderer(&app); 1574 pAudioPlayer->mAPlayer = decoder; 1575 // configures the callback for the sink buffer queue 1576 decoder->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer); 1577 // configures the callback for the notifications coming from the SF code 1578 decoder->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1579 1580 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1581 case SL_DATALOCATOR_URI: 1582 decoder->setDataSource( 1583 (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI); 1584 break; 1585 case SL_DATALOCATOR_ANDROIDFD: { 1586 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1587 decoder->setDataSource( 1588 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1589 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1590 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1591 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1592 } 1593 break; 1594 default: 1595 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1596 break; 1597 } 1598 1599 } 1600 break; 1601 1602 //----------------------------------- 1603 // AacBqToPcmCbRenderer 1604 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: { 1605 android::AacBqToPcmCbRenderer* bqtobq = new android::AacBqToPcmCbRenderer(&app, 1606 &pAudioPlayer->mAndroidBufferQueue); 1607 // configures the callback for the sink buffer queue 1608 bqtobq->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer); 1609 pAudioPlayer->mAPlayer = bqtobq; 1610 // configures the callback for the notifications coming from the SF code, 1611 // but also implicitly configures the AndroidBufferQueue from which ADTS data is read 1612 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1613 } 1614 break; 1615 1616 //----------------------------------- 1617 default: 1618 SL_LOGE(ERROR_PLAYERREALIZE_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1619 result = SL_RESULT_INTERNAL_ERROR; 1620 break; 1621 } 1622 1623 // proceed with effect initialization 1624 // initialize EQ 1625 // FIXME use a table of effect descriptors when adding support for more effects 1626 if (memcmp(SL_IID_EQUALIZER, &pAudioPlayer->mEqualizer.mEqDescriptor.type, 1627 sizeof(effect_uuid_t)) == 0) { 1628 SL_LOGV("Need to initialize EQ for AudioPlayer=%p", pAudioPlayer); 1629 android_eq_init(pAudioPlayer->mSessionId, &pAudioPlayer->mEqualizer); 1630 } 1631 // initialize BassBoost 1632 if (memcmp(SL_IID_BASSBOOST, &pAudioPlayer->mBassBoost.mBassBoostDescriptor.type, 1633 sizeof(effect_uuid_t)) == 0) { 1634 SL_LOGV("Need to initialize BassBoost for AudioPlayer=%p", pAudioPlayer); 1635 android_bb_init(pAudioPlayer->mSessionId, &pAudioPlayer->mBassBoost); 1636 } 1637 // initialize Virtualizer 1638 if (memcmp(SL_IID_VIRTUALIZER, &pAudioPlayer->mVirtualizer.mVirtualizerDescriptor.type, 1639 sizeof(effect_uuid_t)) == 0) { 1640 SL_LOGV("Need to initialize Virtualizer for AudioPlayer=%p", pAudioPlayer); 1641 android_virt_init(pAudioPlayer->mSessionId, &pAudioPlayer->mVirtualizer); 1642 } 1643 1644 // initialize EffectSend 1645 // FIXME initialize EffectSend 1646 1647 return result; 1648} 1649 1650 1651//----------------------------------------------------------------------------- 1652/** 1653 * Called with a lock on AudioPlayer, and blocks until safe to destroy 1654 */ 1655SLresult android_audioPlayer_preDestroy(CAudioPlayer *pAudioPlayer) { 1656 SL_LOGD("android_audioPlayer_preDestroy(%p)", pAudioPlayer); 1657 SLresult result = SL_RESULT_SUCCESS; 1658 1659 bool disableCallbacksBeforePreDestroy; 1660 switch (pAudioPlayer->mAndroidObjType) { 1661 // Not yet clear why this order is important, but it reduces detected deadlocks 1662 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1663 disableCallbacksBeforePreDestroy = true; 1664 break; 1665 // Use the old behavior for all other use cases until proven 1666 // case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1667 default: 1668 disableCallbacksBeforePreDestroy = false; 1669 break; 1670 } 1671 1672 if (disableCallbacksBeforePreDestroy) { 1673 object_unlock_exclusive(&pAudioPlayer->mObject); 1674 if (pAudioPlayer->mCallbackProtector != 0) { 1675 pAudioPlayer->mCallbackProtector->requestCbExitAndWait(); 1676 } 1677 object_lock_exclusive(&pAudioPlayer->mObject); 1678 } 1679 1680 if (pAudioPlayer->mAPlayer != 0) { 1681 pAudioPlayer->mAPlayer->preDestroy(); 1682 } 1683 SL_LOGD("android_audioPlayer_preDestroy(%p) after mAPlayer->preDestroy()", pAudioPlayer); 1684 1685 if (!disableCallbacksBeforePreDestroy) { 1686 object_unlock_exclusive(&pAudioPlayer->mObject); 1687 if (pAudioPlayer->mCallbackProtector != 0) { 1688 pAudioPlayer->mCallbackProtector->requestCbExitAndWait(); 1689 } 1690 object_lock_exclusive(&pAudioPlayer->mObject); 1691 } 1692 1693 return result; 1694} 1695 1696 1697//----------------------------------------------------------------------------- 1698SLresult android_audioPlayer_destroy(CAudioPlayer *pAudioPlayer) { 1699 SLresult result = SL_RESULT_SUCCESS; 1700 SL_LOGV("android_audioPlayer_destroy(%p)", pAudioPlayer); 1701 switch (pAudioPlayer->mAndroidObjType) { 1702 1703 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1704 // We own the audio track for PCM buffer queue players 1705 if (pAudioPlayer->mAudioTrack != 0) { 1706 pAudioPlayer->mAudioTrack->stop(); 1707 // Note that there may still be another reference in post-unlock phase of SetPlayState 1708 pAudioPlayer->mAudioTrack.clear(); 1709 } 1710 break; 1711 1712 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1713 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1714 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through 1715 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1716 pAudioPlayer->mAPlayer.clear(); 1717 break; 1718 //----------------------------------- 1719 default: 1720 SL_LOGE(ERROR_PLAYERDESTROY_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1721 result = SL_RESULT_INTERNAL_ERROR; 1722 break; 1723 } 1724 1725 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player 1726 // android::AudioSystem::releaseAudioSessionId(pAudioPlayer->mSessionId); 1727 1728 pAudioPlayer->mCallbackProtector.clear(); 1729 1730 // explicit destructor 1731 pAudioPlayer->mAudioTrack.~sp(); 1732 // note that SetPlayState(PLAYING) may still hold a reference 1733 pAudioPlayer->mCallbackProtector.~sp(); 1734 pAudioPlayer->mAuxEffect.~sp(); 1735 pAudioPlayer->mAPlayer.~sp(); 1736 1737 return result; 1738} 1739 1740 1741//----------------------------------------------------------------------------- 1742SLresult android_audioPlayer_setPlaybackRateAndConstraints(CAudioPlayer *ap, SLpermille rate, 1743 SLuint32 constraints) { 1744 SLresult result = SL_RESULT_SUCCESS; 1745 switch (ap->mAndroidObjType) { 1746 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: { 1747 // these asserts were already checked by the platform-independent layer 1748 assert((AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE <= rate) && 1749 (rate <= AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE)); 1750 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO); 1751 // get the content sample rate 1752 uint32_t contentRate = sles_to_android_sampleRate(ap->mSampleRateMilliHz); 1753 // apply the SL ES playback rate on the AudioTrack as a factor of its content sample rate 1754 if (ap->mAudioTrack != 0) { 1755 ap->mAudioTrack->setSampleRate(contentRate * (rate/1000.0f)); 1756 } 1757 } 1758 break; 1759 case AUDIOPLAYER_FROM_URIFD: { 1760 assert((MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE <= rate) && 1761 (rate <= MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE)); 1762 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO); 1763 // apply the SL ES playback rate on the GenericPlayer 1764 if (ap->mAPlayer != 0) { 1765 ap->mAPlayer->setPlaybackRate((int16_t)rate); 1766 } 1767 } 1768 break; 1769 1770 default: 1771 SL_LOGE("Unexpected object type %d", ap->mAndroidObjType); 1772 result = SL_RESULT_FEATURE_UNSUPPORTED; 1773 break; 1774 } 1775 return result; 1776} 1777 1778 1779//----------------------------------------------------------------------------- 1780// precondition 1781// called with no lock held 1782// ap != NULL 1783// pItemCount != NULL 1784SLresult android_audioPlayer_metadata_getItemCount(CAudioPlayer *ap, SLuint32 *pItemCount) { 1785 if (ap->mAPlayer == 0) { 1786 return SL_RESULT_PARAMETER_INVALID; 1787 } 1788 switch (ap->mAndroidObjType) { 1789 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1790 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1791 { 1792 android::AudioSfDecoder* decoder = 1793 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1794 *pItemCount = decoder->getPcmFormatKeyCount(); 1795 } 1796 break; 1797 default: 1798 *pItemCount = 0; 1799 break; 1800 } 1801 return SL_RESULT_SUCCESS; 1802} 1803 1804 1805//----------------------------------------------------------------------------- 1806// precondition 1807// called with no lock held 1808// ap != NULL 1809// pKeySize != NULL 1810SLresult android_audioPlayer_metadata_getKeySize(CAudioPlayer *ap, 1811 SLuint32 index, SLuint32 *pKeySize) { 1812 if (ap->mAPlayer == 0) { 1813 return SL_RESULT_PARAMETER_INVALID; 1814 } 1815 SLresult res = SL_RESULT_SUCCESS; 1816 switch (ap->mAndroidObjType) { 1817 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1818 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1819 { 1820 android::AudioSfDecoder* decoder = 1821 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1822 SLuint32 keyNameSize = 0; 1823 if (!decoder->getPcmFormatKeySize(index, &keyNameSize)) { 1824 res = SL_RESULT_PARAMETER_INVALID; 1825 } else { 1826 // *pKeySize is the size of the region used to store the key name AND 1827 // the information about the key (size, lang, encoding) 1828 *pKeySize = keyNameSize + sizeof(SLMetadataInfo); 1829 } 1830 } 1831 break; 1832 default: 1833 *pKeySize = 0; 1834 res = SL_RESULT_PARAMETER_INVALID; 1835 break; 1836 } 1837 return res; 1838} 1839 1840 1841//----------------------------------------------------------------------------- 1842// precondition 1843// called with no lock held 1844// ap != NULL 1845// pKey != NULL 1846SLresult android_audioPlayer_metadata_getKey(CAudioPlayer *ap, 1847 SLuint32 index, SLuint32 size, SLMetadataInfo *pKey) { 1848 if (ap->mAPlayer == 0) { 1849 return SL_RESULT_PARAMETER_INVALID; 1850 } 1851 SLresult res = SL_RESULT_SUCCESS; 1852 switch (ap->mAndroidObjType) { 1853 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1854 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1855 { 1856 android::AudioSfDecoder* decoder = 1857 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1858 if ((size < sizeof(SLMetadataInfo) || 1859 (!decoder->getPcmFormatKeyName(index, size - sizeof(SLMetadataInfo), 1860 (char*)pKey->data)))) { 1861 res = SL_RESULT_PARAMETER_INVALID; 1862 } else { 1863 // successfully retrieved the key value, update the other fields 1864 pKey->encoding = SL_CHARACTERENCODING_UTF8; 1865 memcpy((char *) pKey->langCountry, "en", 3); 1866 pKey->size = strlen((char*)pKey->data) + 1; 1867 } 1868 } 1869 break; 1870 default: 1871 res = SL_RESULT_PARAMETER_INVALID; 1872 break; 1873 } 1874 return res; 1875} 1876 1877 1878//----------------------------------------------------------------------------- 1879// precondition 1880// called with no lock held 1881// ap != NULL 1882// pValueSize != NULL 1883SLresult android_audioPlayer_metadata_getValueSize(CAudioPlayer *ap, 1884 SLuint32 index, SLuint32 *pValueSize) { 1885 if (ap->mAPlayer == 0) { 1886 return SL_RESULT_PARAMETER_INVALID; 1887 } 1888 SLresult res = SL_RESULT_SUCCESS; 1889 switch (ap->mAndroidObjType) { 1890 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1891 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1892 { 1893 android::AudioSfDecoder* decoder = 1894 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1895 SLuint32 valueSize = 0; 1896 if (!decoder->getPcmFormatValueSize(index, &valueSize)) { 1897 res = SL_RESULT_PARAMETER_INVALID; 1898 } else { 1899 // *pValueSize is the size of the region used to store the key value AND 1900 // the information about the value (size, lang, encoding) 1901 *pValueSize = valueSize + sizeof(SLMetadataInfo); 1902 } 1903 } 1904 break; 1905 default: 1906 *pValueSize = 0; 1907 res = SL_RESULT_PARAMETER_INVALID; 1908 break; 1909 } 1910 return res; 1911} 1912 1913 1914//----------------------------------------------------------------------------- 1915// precondition 1916// called with no lock held 1917// ap != NULL 1918// pValue != NULL 1919SLresult android_audioPlayer_metadata_getValue(CAudioPlayer *ap, 1920 SLuint32 index, SLuint32 size, SLMetadataInfo *pValue) { 1921 if (ap->mAPlayer == 0) { 1922 return SL_RESULT_PARAMETER_INVALID; 1923 } 1924 SLresult res = SL_RESULT_SUCCESS; 1925 switch (ap->mAndroidObjType) { 1926 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1927 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1928 { 1929 android::AudioSfDecoder* decoder = 1930 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1931 pValue->encoding = SL_CHARACTERENCODING_BINARY; 1932 memcpy((char *) pValue->langCountry, "en", 3); // applicable here? 1933 SLuint32 valueSize = 0; 1934 if ((size < sizeof(SLMetadataInfo) 1935 || (!decoder->getPcmFormatValueSize(index, &valueSize)) 1936 || (!decoder->getPcmFormatKeyValue(index, size - sizeof(SLMetadataInfo), 1937 (SLuint32*)pValue->data)))) { 1938 res = SL_RESULT_PARAMETER_INVALID; 1939 } else { 1940 pValue->size = valueSize; 1941 } 1942 } 1943 break; 1944 default: 1945 res = SL_RESULT_PARAMETER_INVALID; 1946 break; 1947 } 1948 return res; 1949} 1950 1951//----------------------------------------------------------------------------- 1952// preconditions 1953// ap != NULL 1954// mutex is locked 1955// play state has changed 1956void android_audioPlayer_setPlayState(CAudioPlayer *ap) { 1957 1958 SLuint32 playState = ap->mPlay.mState; 1959 AndroidObjectState objState = ap->mAndroidObjState; 1960 1961 switch (ap->mAndroidObjType) { 1962 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1963 switch (playState) { 1964 case SL_PLAYSTATE_STOPPED: 1965 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED"); 1966 if (ap->mAudioTrack != 0) { 1967 ap->mAudioTrack->stop(); 1968 } 1969 break; 1970 case SL_PLAYSTATE_PAUSED: 1971 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED"); 1972 if (ap->mAudioTrack != 0) { 1973 ap->mAudioTrack->pause(); 1974 } 1975 break; 1976 case SL_PLAYSTATE_PLAYING: 1977 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING"); 1978 if (ap->mAudioTrack != 0) { 1979 // instead of ap->mAudioTrack->start(); 1980 ap->mDeferredStart = true; 1981 } 1982 break; 1983 default: 1984 // checked by caller, should not happen 1985 break; 1986 } 1987 break; 1988 1989 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1990 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1991 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through 1992 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1993 // FIXME report and use the return code to the lock mechanism, which is where play state 1994 // changes are updated (see object_unlock_exclusive_attributes()) 1995 aplayer_setPlayState(ap->mAPlayer, playState, &ap->mAndroidObjState); 1996 break; 1997 default: 1998 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_UNEXPECTED_OBJECT_TYPE_D, ap->mAndroidObjType); 1999 break; 2000 } 2001} 2002 2003 2004//----------------------------------------------------------------------------- 2005// call when either player event flags, marker position, or position update period changes 2006void android_audioPlayer_usePlayEventMask(CAudioPlayer *ap) { 2007 IPlay *pPlayItf = &ap->mPlay; 2008 SLuint32 eventFlags = pPlayItf->mEventFlags; 2009 /*switch (ap->mAndroidObjType) { 2010 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:*/ 2011 2012 if (ap->mAPlayer != 0) { 2013 assert(ap->mAudioTrack == 0); 2014 ap->mAPlayer->setPlayEvents((int32_t) eventFlags, (int32_t) pPlayItf->mMarkerPosition, 2015 (int32_t) pPlayItf->mPositionUpdatePeriod); 2016 return; 2017 } 2018 2019 if (ap->mAudioTrack == 0) { 2020 return; 2021 } 2022 2023 if (eventFlags & SL_PLAYEVENT_HEADATMARKER) { 2024 ap->mAudioTrack->setMarkerPosition((uint32_t)((((int64_t)pPlayItf->mMarkerPosition 2025 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 2026 } else { 2027 // clear marker 2028 ap->mAudioTrack->setMarkerPosition(0); 2029 } 2030 2031 if (eventFlags & SL_PLAYEVENT_HEADATNEWPOS) { 2032 ap->mAudioTrack->setPositionUpdatePeriod( 2033 (uint32_t)((((int64_t)pPlayItf->mPositionUpdatePeriod 2034 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 2035 } else { 2036 // clear periodic update 2037 ap->mAudioTrack->setPositionUpdatePeriod(0); 2038 } 2039 2040 if (eventFlags & SL_PLAYEVENT_HEADATEND) { 2041 // nothing to do for SL_PLAYEVENT_HEADATEND, callback event will be checked against mask 2042 } 2043 2044 if (eventFlags & SL_PLAYEVENT_HEADMOVING) { 2045 // FIXME support SL_PLAYEVENT_HEADMOVING 2046 SL_LOGD("[ FIXME: IPlay_SetCallbackEventsMask(SL_PLAYEVENT_HEADMOVING) on an " 2047 "SL_OBJECTID_AUDIOPLAYER to be implemented ]"); 2048 } 2049 if (eventFlags & SL_PLAYEVENT_HEADSTALLED) { 2050 // nothing to do for SL_PLAYEVENT_HEADSTALLED, callback event will be checked against mask 2051 } 2052 2053} 2054 2055 2056//----------------------------------------------------------------------------- 2057SLresult android_audioPlayer_getDuration(IPlay *pPlayItf, SLmillisecond *pDurMsec) { 2058 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 2059 switch (ap->mAndroidObjType) { 2060 2061 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2062 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 2063 int32_t durationMsec = ANDROID_UNKNOWN_TIME; 2064 if (ap->mAPlayer != 0) { 2065 ap->mAPlayer->getDurationMsec(&durationMsec); 2066 } 2067 *pDurMsec = durationMsec == ANDROID_UNKNOWN_TIME ? SL_TIME_UNKNOWN : durationMsec; 2068 break; 2069 } 2070 2071 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2072 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2073 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2074 default: { 2075 *pDurMsec = SL_TIME_UNKNOWN; 2076 } 2077 } 2078 return SL_RESULT_SUCCESS; 2079} 2080 2081 2082//----------------------------------------------------------------------------- 2083void android_audioPlayer_getPosition(IPlay *pPlayItf, SLmillisecond *pPosMsec) { 2084 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 2085 switch (ap->mAndroidObjType) { 2086 2087 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2088 if ((ap->mSampleRateMilliHz == UNKNOWN_SAMPLERATE) || (ap->mAudioTrack == 0)) { 2089 *pPosMsec = 0; 2090 } else { 2091 uint32_t positionInFrames; 2092 ap->mAudioTrack->getPosition(&positionInFrames); 2093 *pPosMsec = ((int64_t)positionInFrames * 1000) / 2094 sles_to_android_sampleRate(ap->mSampleRateMilliHz); 2095 } 2096 break; 2097 2098 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2099 case AUDIOPLAYER_FROM_URIFD: 2100 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2101 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: { 2102 int32_t posMsec = ANDROID_UNKNOWN_TIME; 2103 if (ap->mAPlayer != 0) { 2104 ap->mAPlayer->getPositionMsec(&posMsec); 2105 } 2106 *pPosMsec = posMsec == ANDROID_UNKNOWN_TIME ? 0 : posMsec; 2107 break; 2108 } 2109 2110 default: 2111 *pPosMsec = 0; 2112 } 2113} 2114 2115 2116//----------------------------------------------------------------------------- 2117SLresult android_audioPlayer_seek(CAudioPlayer *ap, SLmillisecond posMsec) { 2118 SLresult result = SL_RESULT_SUCCESS; 2119 2120 switch (ap->mAndroidObjType) { 2121 2122 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: // intended fall-through 2123 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2124 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2125 result = SL_RESULT_FEATURE_UNSUPPORTED; 2126 break; 2127 2128 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2129 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2130 if (ap->mAPlayer != 0) { 2131 ap->mAPlayer->seek(posMsec); 2132 } 2133 break; 2134 2135 default: 2136 break; 2137 } 2138 return result; 2139} 2140 2141 2142//----------------------------------------------------------------------------- 2143SLresult android_audioPlayer_loop(CAudioPlayer *ap, SLboolean loopEnable) { 2144 SLresult result = SL_RESULT_SUCCESS; 2145 2146 switch (ap->mAndroidObjType) { 2147 case AUDIOPLAYER_FROM_URIFD: 2148 // case AUDIOPLAY_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2149 // would actually work, but what's the point? 2150 if (ap->mAPlayer != 0) { 2151 ap->mAPlayer->loop((bool)loopEnable); 2152 } 2153 break; 2154 default: 2155 result = SL_RESULT_FEATURE_UNSUPPORTED; 2156 break; 2157 } 2158 return result; 2159} 2160 2161 2162//----------------------------------------------------------------------------- 2163SLresult android_audioPlayer_setBufferingUpdateThresholdPerMille(CAudioPlayer *ap, 2164 SLpermille threshold) { 2165 SLresult result = SL_RESULT_SUCCESS; 2166 2167 switch (ap->mAndroidObjType) { 2168 case AUDIOPLAYER_FROM_URIFD: 2169 if (ap->mAPlayer != 0) { 2170 ap->mAPlayer->setBufferingUpdateThreshold(threshold / 10); 2171 } 2172 break; 2173 2174 default: {} 2175 } 2176 2177 return result; 2178} 2179 2180 2181//----------------------------------------------------------------------------- 2182void android_audioPlayer_bufferQueue_onRefilled_l(CAudioPlayer *ap) { 2183 // the AudioTrack associated with the AudioPlayer receiving audio from a PCM buffer 2184 // queue was stopped when the queue become empty, we restart as soon as a new buffer 2185 // has been enqueued since we're in playing state 2186 if (ap->mAudioTrack != 0) { 2187 // instead of ap->mAudioTrack->start(); 2188 ap->mDeferredStart = true; 2189 } 2190 2191 // when the queue became empty, an underflow on the prefetch status itf was sent. Now the queue 2192 // has received new data, signal it has sufficient data 2193 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 2194 // we wouldn't have been called unless we were previously in the underflow state 2195 assert(SL_PREFETCHSTATUS_UNDERFLOW == ap->mPrefetchStatus.mStatus); 2196 assert(0 == ap->mPrefetchStatus.mLevel); 2197 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA; 2198 ap->mPrefetchStatus.mLevel = 1000; 2199 // callback or no callback? 2200 SLuint32 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask & 2201 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE); 2202 if (SL_PREFETCHEVENT_NONE != prefetchEvents) { 2203 ap->mPrefetchStatus.mDeferredPrefetchCallback = ap->mPrefetchStatus.mCallback; 2204 ap->mPrefetchStatus.mDeferredPrefetchContext = ap->mPrefetchStatus.mContext; 2205 ap->mPrefetchStatus.mDeferredPrefetchEvents = prefetchEvents; 2206 } 2207 } 2208} 2209 2210 2211//----------------------------------------------------------------------------- 2212/* 2213 * BufferQueue::Clear 2214 */ 2215SLresult android_audioPlayer_bufferQueue_onClear(CAudioPlayer *ap) { 2216 SLresult result = SL_RESULT_SUCCESS; 2217 2218 switch (ap->mAndroidObjType) { 2219 //----------------------------------- 2220 // AudioTrack 2221 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2222 if (ap->mAudioTrack != 0) { 2223 ap->mAudioTrack->flush(); 2224 } 2225 break; 2226 default: 2227 result = SL_RESULT_INTERNAL_ERROR; 2228 break; 2229 } 2230 2231 return result; 2232} 2233 2234 2235//----------------------------------------------------------------------------- 2236void android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer *ap) { 2237 switch (ap->mAndroidObjType) { 2238 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2239 if (ap->mAPlayer != 0) { 2240 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2241 splr->appClear_l(); 2242 } break; 2243 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2244 // nothing to do here, fall through 2245 default: 2246 break; 2247 } 2248} 2249 2250void android_audioPlayer_androidBufferQueue_onRefilled_l(CAudioPlayer *ap) { 2251 switch (ap->mAndroidObjType) { 2252 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2253 if (ap->mAPlayer != 0) { 2254 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2255 splr->queueRefilled(); 2256 } break; 2257 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2258 // FIXME this may require waking up the decoder if it is currently starved and isn't polling 2259 default: 2260 break; 2261 } 2262} 2263