AudioPlayer_to_android.cpp revision 36c0711b6919c2185a4d6e514d7f421b0d9c7bc6
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "sles_allinclusive.h" 18#include "android_prompts.h" 19#include "android/android_AudioToCbRenderer.h" 20#include "android/android_StreamPlayer.h" 21#include "android/android_LocAVPlayer.h" 22#include "android/include/AacBqToPcmCbRenderer.h" 23 24#include <fcntl.h> 25#include <sys/stat.h> 26 27#include <system/audio.h> 28 29template class android::KeyedVector<SLuint32, android::AudioEffect* > ; 30 31#define KEY_STREAM_TYPE_PARAMSIZE sizeof(SLint32) 32 33#define AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE 500 34#define AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE 2000 35 36#define MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE 37#define MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE 38 39//----------------------------------------------------------------------------- 40// FIXME this method will be absorbed into android_audioPlayer_setPlayState() once 41// bufferqueue and uri/fd playback are moved under the GenericPlayer C++ object 42SLresult aplayer_setPlayState(const android::sp<android::GenericPlayer> &ap, SLuint32 playState, 43 AndroidObjectState* pObjState) { 44 SLresult result = SL_RESULT_SUCCESS; 45 AndroidObjectState objState = *pObjState; 46 47 switch (playState) { 48 case SL_PLAYSTATE_STOPPED: 49 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_STOPPED"); 50 ap->stop(); 51 break; 52 case SL_PLAYSTATE_PAUSED: 53 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PAUSED"); 54 switch(objState) { 55 case ANDROID_UNINITIALIZED: 56 *pObjState = ANDROID_PREPARING; 57 ap->prepare(); 58 break; 59 case ANDROID_PREPARING: 60 break; 61 case ANDROID_READY: 62 ap->pause(); 63 break; 64 default: 65 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState); 66 result = SL_RESULT_INTERNAL_ERROR; 67 break; 68 } 69 break; 70 case SL_PLAYSTATE_PLAYING: { 71 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PLAYING"); 72 switch(objState) { 73 case ANDROID_UNINITIALIZED: 74 *pObjState = ANDROID_PREPARING; 75 ap->prepare(); 76 // intended fall through 77 case ANDROID_PREPARING: 78 // intended fall through 79 case ANDROID_READY: 80 ap->play(); 81 break; 82 default: 83 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState); 84 result = SL_RESULT_INTERNAL_ERROR; 85 break; 86 } 87 } 88 break; 89 default: 90 // checked by caller, should not happen 91 SL_LOGE(ERROR_SHOULDNT_BE_HERE_S, "aplayer_setPlayState"); 92 result = SL_RESULT_INTERNAL_ERROR; 93 break; 94 } 95 96 return result; 97} 98 99 100//----------------------------------------------------------------------------- 101// Callback associated with a AudioToCbRenderer of an SL ES AudioPlayer that gets its data 102// from a URI or FD, to write the decoded audio data to a buffer queue 103static size_t adecoder_writeToBufferQueue(const uint8_t *data, size_t size, CAudioPlayer* ap) { 104 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 105 // it is not safe to enter the callback (the player is about to go away) 106 return 0; 107 } 108 size_t sizeConsumed = 0; 109 SL_LOGD("received %d bytes from decoder", size); 110 slBufferQueueCallback callback = NULL; 111 void * callbackPContext = NULL; 112 113 // push decoded data to the buffer queue 114 object_lock_exclusive(&ap->mObject); 115 116 if (ap->mBufferQueue.mState.count != 0) { 117 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear); 118 119 BufferHeader *oldFront = ap->mBufferQueue.mFront; 120 BufferHeader *newFront = &oldFront[1]; 121 122 uint8_t *pDest = (uint8_t *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed; 123 if (ap->mBufferQueue.mSizeConsumed + size < oldFront->mSize) { 124 // room to consume the whole or rest of the decoded data in one shot 125 ap->mBufferQueue.mSizeConsumed += size; 126 // consume data but no callback to the BufferQueue interface here 127 memcpy (pDest, data, size); 128 sizeConsumed = size; 129 } else { 130 // push as much as possible of the decoded data into the buffer queue 131 sizeConsumed = oldFront->mSize - ap->mBufferQueue.mSizeConsumed; 132 133 // the buffer at the head of the buffer queue is full, update the state 134 ap->mBufferQueue.mSizeConsumed = 0; 135 if (newFront == &ap->mBufferQueue.mArray[ap->mBufferQueue.mNumBuffers + 1]) { 136 newFront = ap->mBufferQueue.mArray; 137 } 138 ap->mBufferQueue.mFront = newFront; 139 140 ap->mBufferQueue.mState.count--; 141 ap->mBufferQueue.mState.playIndex++; 142 // consume data 143 memcpy (pDest, data, sizeConsumed); 144 // data has been copied to the buffer, and the buffer queue state has been updated 145 // we will notify the client if applicable 146 callback = ap->mBufferQueue.mCallback; 147 // save callback data 148 callbackPContext = ap->mBufferQueue.mContext; 149 } 150 151 } else { 152 // no available buffers in the queue to write the decoded data 153 sizeConsumed = 0; 154 } 155 156 object_unlock_exclusive(&ap->mObject); 157 // notify client 158 if (NULL != callback) { 159 (*callback)(&ap->mBufferQueue.mItf, callbackPContext); 160 } 161 162 ap->mCallbackProtector->exitCb(); 163 return sizeConsumed; 164} 165 166 167//----------------------------------------------------------------------------- 168#define LEFT_CHANNEL_MASK 0x1 << 0 169#define RIGHT_CHANNEL_MASK 0x1 << 1 170 171void android_audioPlayer_volumeUpdate(CAudioPlayer* ap) 172{ 173 assert(ap != NULL); 174 175 // the source's channel count, where zero means unknown 176 SLuint8 channelCount = ap->mNumChannels; 177 178 // whether each channel is audible 179 bool leftAudibilityFactor, rightAudibilityFactor; 180 181 // mute has priority over solo 182 if (channelCount >= STEREO_CHANNELS) { 183 if (ap->mMuteMask & LEFT_CHANNEL_MASK) { 184 // left muted 185 leftAudibilityFactor = false; 186 } else { 187 // left not muted 188 if (ap->mSoloMask & LEFT_CHANNEL_MASK) { 189 // left soloed 190 leftAudibilityFactor = true; 191 } else { 192 // left not soloed 193 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) { 194 // right solo silences left 195 leftAudibilityFactor = false; 196 } else { 197 // left and right are not soloed, and left is not muted 198 leftAudibilityFactor = true; 199 } 200 } 201 } 202 203 if (ap->mMuteMask & RIGHT_CHANNEL_MASK) { 204 // right muted 205 rightAudibilityFactor = false; 206 } else { 207 // right not muted 208 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) { 209 // right soloed 210 rightAudibilityFactor = true; 211 } else { 212 // right not soloed 213 if (ap->mSoloMask & LEFT_CHANNEL_MASK) { 214 // left solo silences right 215 rightAudibilityFactor = false; 216 } else { 217 // left and right are not soloed, and right is not muted 218 rightAudibilityFactor = true; 219 } 220 } 221 } 222 223 // channel mute and solo are ignored for mono and unknown channel count sources 224 } else { 225 leftAudibilityFactor = true; 226 rightAudibilityFactor = true; 227 } 228 229 // compute volumes without setting 230 const bool audibilityFactors[2] = {leftAudibilityFactor, rightAudibilityFactor}; 231 float volumes[2]; 232 android_player_volumeUpdate(volumes, &ap->mVolume, channelCount, ap->mAmplFromDirectLevel, 233 audibilityFactors); 234 float leftVol = volumes[0], rightVol = volumes[1]; 235 236 // set volume on the underlying media player or audio track 237 if (ap->mAPlayer != 0) { 238 ap->mAPlayer->setVolume(leftVol, rightVol); 239 } else if (ap->mAudioTrack != 0) { 240 ap->mAudioTrack->setVolume(leftVol, rightVol); 241 } 242 243 // changes in the AudioPlayer volume must be reflected in the send level: 244 // in SLEffectSendItf or in SLAndroidEffectSendItf? 245 // FIXME replace interface test by an internal API once we have one. 246 if (NULL != ap->mEffectSend.mItf) { 247 for (unsigned int i=0 ; i<AUX_MAX ; i++) { 248 if (ap->mEffectSend.mEnableLevels[i].mEnable) { 249 android_fxSend_setSendLevel(ap, 250 ap->mEffectSend.mEnableLevels[i].mSendLevel + ap->mVolume.mLevel); 251 // there's a single aux bus on Android, so we can stop looking once the first 252 // aux effect is found. 253 break; 254 } 255 } 256 } else if (NULL != ap->mAndroidEffectSend.mItf) { 257 android_fxSend_setSendLevel(ap, ap->mAndroidEffectSend.mSendLevel + ap->mVolume.mLevel); 258 } 259} 260 261// Called by android_audioPlayer_volumeUpdate and android_mediaPlayer_volumeUpdate to compute 262// volumes, but setting volumes is handled by the caller. 263 264void android_player_volumeUpdate(float *pVolumes /*[2]*/, const IVolume *volumeItf, unsigned 265channelCount, float amplFromDirectLevel, const bool *audibilityFactors /*[2]*/) 266{ 267 assert(pVolumes != NULL); 268 assert(volumeItf != NULL); 269 // OK for audibilityFactors to be NULL 270 271 bool leftAudibilityFactor, rightAudibilityFactor; 272 273 // apply player mute factor 274 // note that AudioTrack has mute() but not MediaPlayer, so it's easier to use volume 275 // to mute for both rather than calling mute() for AudioTrack 276 277 // player is muted 278 if (volumeItf->mMute) { 279 leftAudibilityFactor = false; 280 rightAudibilityFactor = false; 281 // player isn't muted, and channel mute/solo audibility factors are available (AudioPlayer) 282 } else if (audibilityFactors != NULL) { 283 leftAudibilityFactor = audibilityFactors[0]; 284 rightAudibilityFactor = audibilityFactors[1]; 285 // player isn't muted, and channel mute/solo audibility factors aren't available (MediaPlayer) 286 } else { 287 leftAudibilityFactor = true; 288 rightAudibilityFactor = true; 289 } 290 291 // compute amplification as the combination of volume level and stereo position 292 // amplification (or attenuation) from volume level 293 float amplFromVolLevel = sles_to_android_amplification(volumeItf->mLevel); 294 // amplification from direct level (changed in SLEffectSendtItf and SLAndroidEffectSendItf) 295 float leftVol = amplFromVolLevel * amplFromDirectLevel; 296 float rightVol = leftVol; 297 298 // amplification from stereo position 299 if (volumeItf->mEnableStereoPosition) { 300 // Left/right amplification (can be attenuations) factors derived for the StereoPosition 301 float amplFromStereoPos[STEREO_CHANNELS]; 302 // panning law depends on content channel count: mono to stereo panning vs stereo balance 303 if (1 == channelCount) { 304 // mono to stereo panning 305 double theta = (1000+volumeItf->mStereoPosition)*M_PI_4/1000.0f; // 0 <= theta <= Pi/2 306 amplFromStereoPos[0] = cos(theta); 307 amplFromStereoPos[1] = sin(theta); 308 // channel count is 0 (unknown), 2 (stereo), or > 2 (multi-channel) 309 } else { 310 // stereo balance 311 if (volumeItf->mStereoPosition > 0) { 312 amplFromStereoPos[0] = (1000-volumeItf->mStereoPosition)/1000.0f; 313 amplFromStereoPos[1] = 1.0f; 314 } else { 315 amplFromStereoPos[0] = 1.0f; 316 amplFromStereoPos[1] = (1000+volumeItf->mStereoPosition)/1000.0f; 317 } 318 } 319 leftVol *= amplFromStereoPos[0]; 320 rightVol *= amplFromStereoPos[1]; 321 } 322 323 // apply audibility factors 324 if (!leftAudibilityFactor) { 325 leftVol = 0.0; 326 } 327 if (!rightAudibilityFactor) { 328 rightVol = 0.0; 329 } 330 331 // return the computed volumes 332 pVolumes[0] = leftVol; 333 pVolumes[1] = rightVol; 334} 335 336//----------------------------------------------------------------------------- 337void audioTrack_handleMarker_lockPlay(CAudioPlayer* ap) { 338 //SL_LOGV("received event EVENT_MARKER from AudioTrack"); 339 slPlayCallback callback = NULL; 340 void* callbackPContext = NULL; 341 342 interface_lock_shared(&ap->mPlay); 343 callback = ap->mPlay.mCallback; 344 callbackPContext = ap->mPlay.mContext; 345 interface_unlock_shared(&ap->mPlay); 346 347 if (NULL != callback) { 348 // getting this event implies SL_PLAYEVENT_HEADATMARKER was set in the event mask 349 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATMARKER); 350 } 351} 352 353//----------------------------------------------------------------------------- 354void audioTrack_handleNewPos_lockPlay(CAudioPlayer* ap) { 355 //SL_LOGV("received event EVENT_NEW_POS from AudioTrack"); 356 slPlayCallback callback = NULL; 357 void* callbackPContext = NULL; 358 359 interface_lock_shared(&ap->mPlay); 360 callback = ap->mPlay.mCallback; 361 callbackPContext = ap->mPlay.mContext; 362 interface_unlock_shared(&ap->mPlay); 363 364 if (NULL != callback) { 365 // getting this event implies SL_PLAYEVENT_HEADATNEWPOS was set in the event mask 366 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATNEWPOS); 367 } 368} 369 370 371//----------------------------------------------------------------------------- 372void audioTrack_handleUnderrun_lockPlay(CAudioPlayer* ap) { 373 slPlayCallback callback = NULL; 374 void* callbackPContext = NULL; 375 376 interface_lock_shared(&ap->mPlay); 377 callback = ap->mPlay.mCallback; 378 callbackPContext = ap->mPlay.mContext; 379 bool headStalled = (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADSTALLED) != 0; 380 interface_unlock_shared(&ap->mPlay); 381 382 if ((NULL != callback) && headStalled) { 383 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADSTALLED); 384 } 385} 386 387 388//----------------------------------------------------------------------------- 389/** 390 * post-condition: play state of AudioPlayer is SL_PLAYSTATE_PAUSED if setPlayStateToPaused is true 391 * 392 * note: a conditional flag, setPlayStateToPaused, is used here to specify whether the play state 393 * needs to be changed when the player reaches the end of the content to play. This is 394 * relative to what the specification describes for buffer queues vs the 395 * SL_PLAYEVENT_HEADATEND event. In the OpenSL ES specification 1.0.1: 396 * - section 8.12 SLBufferQueueItf states "In the case of starvation due to insufficient 397 * buffers in the queue, the playing of audio data stops. The player remains in the 398 * SL_PLAYSTATE_PLAYING state." 399 * - section 9.2.31 SL_PLAYEVENT states "SL_PLAYEVENT_HEADATEND Playback head is at the end 400 * of the current content and the player has paused." 401 */ 402void audioPlayer_dispatch_headAtEnd_lockPlay(CAudioPlayer *ap, bool setPlayStateToPaused, 403 bool needToLock) { 404 //SL_LOGV("ap=%p, setPlayStateToPaused=%d, needToLock=%d", ap, setPlayStateToPaused, 405 // needToLock); 406 slPlayCallback playCallback = NULL; 407 void * playContext = NULL; 408 // SLPlayItf callback or no callback? 409 if (needToLock) { 410 interface_lock_exclusive(&ap->mPlay); 411 } 412 if (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADATEND) { 413 playCallback = ap->mPlay.mCallback; 414 playContext = ap->mPlay.mContext; 415 } 416 if (setPlayStateToPaused) { 417 ap->mPlay.mState = SL_PLAYSTATE_PAUSED; 418 } 419 if (needToLock) { 420 interface_unlock_exclusive(&ap->mPlay); 421 } 422 // enqueue callback with no lock held 423 if (NULL != playCallback) { 424#ifndef USE_ASYNCHRONOUS_PLAY_CALLBACK 425 (*playCallback)(&ap->mPlay.mItf, playContext, SL_PLAYEVENT_HEADATEND); 426#else 427 SLresult result = EnqueueAsyncCallback_ppi(ap, playCallback, &ap->mPlay.mItf, playContext, 428 SL_PLAYEVENT_HEADATEND); 429 if (SL_RESULT_SUCCESS != result) { 430 ALOGW("Callback %p(%p, %p, SL_PLAYEVENT_HEADATEND) dropped", playCallback, 431 &ap->mPlay.mItf, playContext); 432 } 433#endif 434 } 435 436} 437 438 439//----------------------------------------------------------------------------- 440SLresult audioPlayer_setStreamType(CAudioPlayer* ap, SLint32 type) { 441 SLresult result = SL_RESULT_SUCCESS; 442 SL_LOGV("type %d", type); 443 444 audio_stream_type_t newStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE; 445 switch(type) { 446 case SL_ANDROID_STREAM_VOICE: 447 newStreamType = AUDIO_STREAM_VOICE_CALL; 448 break; 449 case SL_ANDROID_STREAM_SYSTEM: 450 newStreamType = AUDIO_STREAM_SYSTEM; 451 break; 452 case SL_ANDROID_STREAM_RING: 453 newStreamType = AUDIO_STREAM_RING; 454 break; 455 case SL_ANDROID_STREAM_MEDIA: 456 newStreamType = AUDIO_STREAM_MUSIC; 457 break; 458 case SL_ANDROID_STREAM_ALARM: 459 newStreamType = AUDIO_STREAM_ALARM; 460 break; 461 case SL_ANDROID_STREAM_NOTIFICATION: 462 newStreamType = AUDIO_STREAM_NOTIFICATION; 463 break; 464 default: 465 SL_LOGE(ERROR_PLAYERSTREAMTYPE_SET_UNKNOWN_TYPE); 466 result = SL_RESULT_PARAMETER_INVALID; 467 break; 468 } 469 470 // stream type needs to be set before the object is realized 471 // (ap->mAudioTrack is supposed to be NULL until then) 472 if (SL_OBJECT_STATE_UNREALIZED != ap->mObject.mState) { 473 SL_LOGE(ERROR_PLAYERSTREAMTYPE_REALIZED); 474 result = SL_RESULT_PRECONDITIONS_VIOLATED; 475 } else { 476 ap->mStreamType = newStreamType; 477 } 478 479 return result; 480} 481 482 483//----------------------------------------------------------------------------- 484SLresult audioPlayer_getStreamType(CAudioPlayer* ap, SLint32 *pType) { 485 SLresult result = SL_RESULT_SUCCESS; 486 487 switch(ap->mStreamType) { 488 case AUDIO_STREAM_VOICE_CALL: 489 *pType = SL_ANDROID_STREAM_VOICE; 490 break; 491 case AUDIO_STREAM_SYSTEM: 492 *pType = SL_ANDROID_STREAM_SYSTEM; 493 break; 494 case AUDIO_STREAM_RING: 495 *pType = SL_ANDROID_STREAM_RING; 496 break; 497 case AUDIO_STREAM_DEFAULT: 498 case AUDIO_STREAM_MUSIC: 499 *pType = SL_ANDROID_STREAM_MEDIA; 500 break; 501 case AUDIO_STREAM_ALARM: 502 *pType = SL_ANDROID_STREAM_ALARM; 503 break; 504 case AUDIO_STREAM_NOTIFICATION: 505 *pType = SL_ANDROID_STREAM_NOTIFICATION; 506 break; 507 default: 508 result = SL_RESULT_INTERNAL_ERROR; 509 *pType = SL_ANDROID_STREAM_MEDIA; 510 break; 511 } 512 513 return result; 514} 515 516 517//----------------------------------------------------------------------------- 518void audioPlayer_auxEffectUpdate(CAudioPlayer* ap) { 519 if ((ap->mAudioTrack != 0) && (ap->mAuxEffect != 0)) { 520 android_fxSend_attach(ap, true, ap->mAuxEffect, ap->mVolume.mLevel + ap->mAuxSendLevel); 521 } 522} 523 524 525//----------------------------------------------------------------------------- 526/* 527 * returns true if the given data sink is supported by AudioPlayer that doesn't 528 * play to an OutputMix object, false otherwise 529 * 530 * pre-condition: the locator of the audio sink is not SL_DATALOCATOR_OUTPUTMIX 531 */ 532bool audioPlayer_isSupportedNonOutputMixSink(const SLDataSink* pAudioSink) { 533 bool result = true; 534 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSink->pLocator; 535 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSink->pFormat; 536 537 switch (sinkLocatorType) { 538 539 case SL_DATALOCATOR_BUFFERQUEUE: 540 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 541 if (SL_DATAFORMAT_PCM != sinkFormatType) { 542 SL_LOGE("Unsupported sink format 0x%x, expected SL_DATAFORMAT_PCM", 543 (unsigned)sinkFormatType); 544 result = false; 545 } 546 // it's no use checking the PCM format fields because additional characteristics 547 // such as the number of channels, or sample size are unknown to the player at this stage 548 break; 549 550 default: 551 SL_LOGE("Unsupported sink locator type 0x%x", (unsigned)sinkLocatorType); 552 result = false; 553 break; 554 } 555 556 return result; 557} 558 559 560//----------------------------------------------------------------------------- 561/* 562 * returns the Android object type if the locator type combinations for the source and sinks 563 * are supported by this implementation, INVALID_TYPE otherwise 564 */ 565AndroidObjectType audioPlayer_getAndroidObjectTypeForSourceSink(CAudioPlayer *ap) { 566 567 const SLDataSource *pAudioSrc = &ap->mDataSource.u.mSource; 568 const SLDataSink *pAudioSnk = &ap->mDataSink.u.mSink; 569 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 570 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 571 AndroidObjectType type = INVALID_TYPE; 572 573 //-------------------------------------- 574 // Sink / source matching check: 575 // the following source / sink combinations are supported 576 // SL_DATALOCATOR_BUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 577 // SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 578 // SL_DATALOCATOR_URI / SL_DATALOCATOR_OUTPUTMIX 579 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_OUTPUTMIX 580 // SL_DATALOCATOR_ANDROIDBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 581 // SL_DATALOCATOR_ANDROIDBUFFERQUEUE / SL_DATALOCATOR_BUFFERQUEUE 582 // SL_DATALOCATOR_URI / SL_DATALOCATOR_BUFFERQUEUE 583 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_BUFFERQUEUE 584 // SL_DATALOCATOR_URI / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 585 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 586 switch (sinkLocatorType) { 587 588 case SL_DATALOCATOR_OUTPUTMIX: { 589 switch (sourceLocatorType) { 590 591 // Buffer Queue to AudioTrack 592 case SL_DATALOCATOR_BUFFERQUEUE: 593 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 594 type = AUDIOPLAYER_FROM_PCM_BUFFERQUEUE; 595 break; 596 597 // URI or FD to MediaPlayer 598 case SL_DATALOCATOR_URI: 599 case SL_DATALOCATOR_ANDROIDFD: 600 type = AUDIOPLAYER_FROM_URIFD; 601 break; 602 603 // Android BufferQueue to MediaPlayer (shared memory streaming) 604 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 605 type = AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE; 606 break; 607 608 default: 609 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_OUTPUTMIX sink", 610 (unsigned)sourceLocatorType); 611 break; 612 } 613 } 614 break; 615 616 case SL_DATALOCATOR_BUFFERQUEUE: 617 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 618 switch (sourceLocatorType) { 619 620 // URI or FD decoded to PCM in a buffer queue 621 case SL_DATALOCATOR_URI: 622 case SL_DATALOCATOR_ANDROIDFD: 623 type = AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE; 624 break; 625 626 // AAC ADTS Android buffer queue decoded to PCM in a buffer queue 627 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 628 type = AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE; 629 break; 630 631 default: 632 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_BUFFERQUEUE sink", 633 (unsigned)sourceLocatorType); 634 break; 635 } 636 break; 637 638 default: 639 SL_LOGE("Sink data locator 0x%x not supported", (unsigned)sinkLocatorType); 640 break; 641 } 642 643 return type; 644} 645 646 647//----------------------------------------------------------------------------- 648/* 649 * Callback associated with an SfPlayer of an SL ES AudioPlayer that gets its data 650 * from a URI or FD, for prepare, prefetch, and play events 651 */ 652static void sfplayer_handlePrefetchEvent(int event, int data1, int data2, void* user) { 653 654 // FIXME see similar code and comment in player_handleMediaPlayerEventNotifications 655 656 if (NULL == user) { 657 return; 658 } 659 660 CAudioPlayer *ap = (CAudioPlayer *)user; 661 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 662 // it is not safe to enter the callback (the track is about to go away) 663 return; 664 } 665 union { 666 char c[sizeof(int)]; 667 int i; 668 } u; 669 u.i = event; 670 SL_LOGV("sfplayer_handlePrefetchEvent(event='%c%c%c%c' (%d), data1=%d, data2=%d, user=%p) from " 671 "SfAudioPlayer", u.c[3], u.c[2], u.c[1], u.c[0], event, data1, data2, user); 672 switch(event) { 673 674 case android::GenericPlayer::kEventPrepared: { 675 SL_LOGV("Received GenericPlayer::kEventPrepared for CAudioPlayer %p", ap); 676 677 // assume no callback 678 slPrefetchCallback callback = NULL; 679 void* callbackPContext; 680 SLuint32 events; 681 682 object_lock_exclusive(&ap->mObject); 683 684 // mark object as prepared; same state is used for successful or unsuccessful prepare 685 assert(ap->mAndroidObjState == ANDROID_PREPARING); 686 ap->mAndroidObjState = ANDROID_READY; 687 688 if (PLAYER_SUCCESS == data1) { 689 // Most of successful prepare completion for ap->mAPlayer 690 // is handled by GenericPlayer and its subclasses. 691 } else { 692 // SfPlayer prepare() failed prefetching, there is no event in SLPrefetchStatus to 693 // indicate a prefetch error, so we signal it by sending simultaneously two events: 694 // - SL_PREFETCHEVENT_FILLLEVELCHANGE with a level of 0 695 // - SL_PREFETCHEVENT_STATUSCHANGE with a status of SL_PREFETCHSTATUS_UNDERFLOW 696 SL_LOGE(ERROR_PLAYER_PREFETCH_d, data1); 697 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 698 ap->mPrefetchStatus.mLevel = 0; 699 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 700 if (!(~ap->mPrefetchStatus.mCallbackEventsMask & 701 (SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE))) { 702 callback = ap->mPrefetchStatus.mCallback; 703 callbackPContext = ap->mPrefetchStatus.mContext; 704 events = SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE; 705 } 706 } 707 } 708 709 object_unlock_exclusive(&ap->mObject); 710 711 // callback with no lock held 712 if (NULL != callback) { 713 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, events); 714 } 715 716 } 717 break; 718 719 case android::GenericPlayer::kEventPrefetchFillLevelUpdate : { 720 if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 721 break; 722 } 723 slPrefetchCallback callback = NULL; 724 void* callbackPContext = NULL; 725 726 // SLPrefetchStatusItf callback or no callback? 727 interface_lock_exclusive(&ap->mPrefetchStatus); 728 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE) { 729 callback = ap->mPrefetchStatus.mCallback; 730 callbackPContext = ap->mPrefetchStatus.mContext; 731 } 732 ap->mPrefetchStatus.mLevel = (SLpermille)data1; 733 interface_unlock_exclusive(&ap->mPrefetchStatus); 734 735 // callback with no lock held 736 if (NULL != callback) { 737 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, 738 SL_PREFETCHEVENT_FILLLEVELCHANGE); 739 } 740 } 741 break; 742 743 case android::GenericPlayer::kEventPrefetchStatusChange: { 744 if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 745 break; 746 } 747 slPrefetchCallback callback = NULL; 748 void* callbackPContext = NULL; 749 750 // SLPrefetchStatusItf callback or no callback? 751 object_lock_exclusive(&ap->mObject); 752 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) { 753 callback = ap->mPrefetchStatus.mCallback; 754 callbackPContext = ap->mPrefetchStatus.mContext; 755 } 756 if (data1 >= android::kStatusIntermediate) { 757 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA; 758 } else if (data1 < android::kStatusIntermediate) { 759 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 760 } 761 object_unlock_exclusive(&ap->mObject); 762 763 // callback with no lock held 764 if (NULL != callback) { 765 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, SL_PREFETCHEVENT_STATUSCHANGE); 766 } 767 } 768 break; 769 770 case android::GenericPlayer::kEventEndOfStream: { 771 audioPlayer_dispatch_headAtEnd_lockPlay(ap, true /*set state to paused?*/, true); 772 if ((ap->mAudioTrack != 0) && (!ap->mSeek.mLoopEnabled)) { 773 ap->mAudioTrack->stop(); 774 } 775 } 776 break; 777 778 case android::GenericPlayer::kEventChannelCount: { 779 object_lock_exclusive(&ap->mObject); 780 if (UNKNOWN_NUMCHANNELS == ap->mNumChannels && UNKNOWN_NUMCHANNELS != data1) { 781 ap->mNumChannels = data1; 782 android_audioPlayer_volumeUpdate(ap); 783 } 784 object_unlock_exclusive(&ap->mObject); 785 } 786 break; 787 788 case android::GenericPlayer::kEventPlay: { 789 slPlayCallback callback = NULL; 790 void* callbackPContext = NULL; 791 792 interface_lock_shared(&ap->mPlay); 793 callback = ap->mPlay.mCallback; 794 callbackPContext = ap->mPlay.mContext; 795 interface_unlock_shared(&ap->mPlay); 796 797 if (NULL != callback) { 798 SLuint32 event = (SLuint32) data1; // SL_PLAYEVENT_HEAD* 799#ifndef USE_ASYNCHRONOUS_PLAY_CALLBACK 800 // synchronous callback requires a synchronous GetPosition implementation 801 (*callback)(&ap->mPlay.mItf, callbackPContext, event); 802#else 803 // asynchronous callback works with any GetPosition implementation 804 SLresult result = EnqueueAsyncCallback_ppi(ap, callback, &ap->mPlay.mItf, 805 callbackPContext, event); 806 if (SL_RESULT_SUCCESS != result) { 807 ALOGW("Callback %p(%p, %p, 0x%x) dropped", callback, 808 &ap->mPlay.mItf, callbackPContext, event); 809 } 810#endif 811 } 812 } 813 break; 814 815 case android::GenericPlayer::kEventErrorAfterPrepare: { 816 SL_LOGV("kEventErrorAfterPrepare"); 817 818 // assume no callback 819 slPrefetchCallback callback = NULL; 820 void* callbackPContext = NULL; 821 822 object_lock_exclusive(&ap->mObject); 823 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 824 ap->mPrefetchStatus.mLevel = 0; 825 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 826 if (!(~ap->mPrefetchStatus.mCallbackEventsMask & 827 (SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE))) { 828 callback = ap->mPrefetchStatus.mCallback; 829 callbackPContext = ap->mPrefetchStatus.mContext; 830 } 831 } 832 object_unlock_exclusive(&ap->mObject); 833 834 // FIXME there's interesting information in data1, but no API to convey it to client 835 SL_LOGE("Error after prepare: %d", data1); 836 837 // callback with no lock held 838 if (NULL != callback) { 839 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, 840 SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE); 841 } 842 843 } 844 break; 845 846 case android::GenericPlayer::kEventHasVideoSize: 847 //SL_LOGW("Unexpected kEventHasVideoSize"); 848 break; 849 850 default: 851 break; 852 } 853 854 ap->mCallbackProtector->exitCb(); 855} 856 857 858//----------------------------------------------------------------------------- 859SLresult android_audioPlayer_checkSourceSink(CAudioPlayer *pAudioPlayer) 860{ 861 // verify that the locator types for the source / sink combination is supported 862 pAudioPlayer->mAndroidObjType = audioPlayer_getAndroidObjectTypeForSourceSink(pAudioPlayer); 863 if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) { 864 return SL_RESULT_PARAMETER_INVALID; 865 } 866 867 const SLDataSource *pAudioSrc = &pAudioPlayer->mDataSource.u.mSource; 868 const SLDataSink *pAudioSnk = &pAudioPlayer->mDataSink.u.mSink; 869 870 // format check: 871 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 872 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 873 const SLuint32 sourceFormatType = *(SLuint32 *)pAudioSrc->pFormat; 874 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSnk->pFormat; 875 876 switch (sourceLocatorType) { 877 //------------------ 878 // Buffer Queues 879 case SL_DATALOCATOR_BUFFERQUEUE: 880 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 881 { 882 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) pAudioSrc->pLocator; 883 884 // Buffer format 885 switch (sourceFormatType) { 886 // currently only PCM buffer queues are supported, 887 case SL_DATAFORMAT_PCM: { 888 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) pAudioSrc->pFormat; 889 switch (df_pcm->numChannels) { 890 case 1: 891 case 2: 892 break; 893 default: 894 // this should have already been rejected by checkDataFormat 895 SL_LOGE("Cannot create audio player: unsupported " \ 896 "PCM data source with %u channels", (unsigned) df_pcm->numChannels); 897 return SL_RESULT_CONTENT_UNSUPPORTED; 898 } 899 switch (df_pcm->samplesPerSec) { 900 case SL_SAMPLINGRATE_8: 901 case SL_SAMPLINGRATE_11_025: 902 case SL_SAMPLINGRATE_12: 903 case SL_SAMPLINGRATE_16: 904 case SL_SAMPLINGRATE_22_05: 905 case SL_SAMPLINGRATE_24: 906 case SL_SAMPLINGRATE_32: 907 case SL_SAMPLINGRATE_44_1: 908 case SL_SAMPLINGRATE_48: 909 break; 910 case SL_SAMPLINGRATE_64: 911 case SL_SAMPLINGRATE_88_2: 912 case SL_SAMPLINGRATE_96: 913 case SL_SAMPLINGRATE_192: 914 default: 915 SL_LOGE("Cannot create audio player: unsupported sample rate %u milliHz", 916 (unsigned) df_pcm->samplesPerSec); 917 return SL_RESULT_CONTENT_UNSUPPORTED; 918 } 919 switch (df_pcm->bitsPerSample) { 920 case SL_PCMSAMPLEFORMAT_FIXED_8: 921 case SL_PCMSAMPLEFORMAT_FIXED_16: 922 break; 923 // others 924 default: 925 // this should have already been rejected by checkDataFormat 926 SL_LOGE("Cannot create audio player: unsupported sample bit depth %u", 927 (SLuint32)df_pcm->bitsPerSample); 928 return SL_RESULT_CONTENT_UNSUPPORTED; 929 } 930 switch (df_pcm->containerSize) { 931 case 8: 932 case 16: 933 break; 934 // others 935 default: 936 SL_LOGE("Cannot create audio player: unsupported container size %u", 937 (unsigned) df_pcm->containerSize); 938 return SL_RESULT_CONTENT_UNSUPPORTED; 939 } 940 // df_pcm->channelMask: the earlier platform-independent check and the 941 // upcoming check by sles_to_android_channelMaskOut are sufficient 942 switch (df_pcm->endianness) { 943 case SL_BYTEORDER_LITTLEENDIAN: 944 break; 945 case SL_BYTEORDER_BIGENDIAN: 946 SL_LOGE("Cannot create audio player: unsupported big-endian byte order"); 947 return SL_RESULT_CONTENT_UNSUPPORTED; 948 // native is proposed but not yet in spec 949 default: 950 SL_LOGE("Cannot create audio player: unsupported byte order %u", 951 (unsigned) df_pcm->endianness); 952 return SL_RESULT_CONTENT_UNSUPPORTED; 953 } 954 } //case SL_DATAFORMAT_PCM 955 break; 956 case SL_DATAFORMAT_MIME: 957 case XA_DATAFORMAT_RAWIMAGE: 958 SL_LOGE("Cannot create audio player with buffer queue data source " 959 "without SL_DATAFORMAT_PCM format"); 960 return SL_RESULT_CONTENT_UNSUPPORTED; 961 default: 962 // invalid data format is detected earlier 963 assert(false); 964 return SL_RESULT_INTERNAL_ERROR; 965 } // switch (sourceFormatType) 966 } // case SL_DATALOCATOR_BUFFERQUEUE or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 967 break; 968 //------------------ 969 // URI 970 case SL_DATALOCATOR_URI: 971 { 972 SLDataLocator_URI *dl_uri = (SLDataLocator_URI *) pAudioSrc->pLocator; 973 if (NULL == dl_uri->URI) { 974 return SL_RESULT_PARAMETER_INVALID; 975 } 976 // URI format 977 switch (sourceFormatType) { 978 case SL_DATAFORMAT_MIME: 979 break; 980 case SL_DATAFORMAT_PCM: 981 case XA_DATAFORMAT_RAWIMAGE: 982 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_URI data source without " 983 "SL_DATAFORMAT_MIME format"); 984 return SL_RESULT_CONTENT_UNSUPPORTED; 985 } // switch (sourceFormatType) 986 // decoding format check 987 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 988 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 989 return SL_RESULT_CONTENT_UNSUPPORTED; 990 } 991 } // case SL_DATALOCATOR_URI 992 break; 993 //------------------ 994 // File Descriptor 995 case SL_DATALOCATOR_ANDROIDFD: 996 { 997 // fd is already non null 998 switch (sourceFormatType) { 999 case SL_DATAFORMAT_MIME: 1000 break; 1001 case SL_DATAFORMAT_PCM: 1002 // FIXME implement 1003 SL_LOGD("[ FIXME implement PCM FD data sources ]"); 1004 break; 1005 case XA_DATAFORMAT_RAWIMAGE: 1006 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_ANDROIDFD data source " 1007 "without SL_DATAFORMAT_MIME or SL_DATAFORMAT_PCM format"); 1008 return SL_RESULT_CONTENT_UNSUPPORTED; 1009 default: 1010 // invalid data format is detected earlier 1011 assert(false); 1012 return SL_RESULT_INTERNAL_ERROR; 1013 } // switch (sourceFormatType) 1014 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 1015 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 1016 return SL_RESULT_CONTENT_UNSUPPORTED; 1017 } 1018 } // case SL_DATALOCATOR_ANDROIDFD 1019 break; 1020 //------------------ 1021 // Stream 1022 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 1023 { 1024 switch (sourceFormatType) { 1025 case SL_DATAFORMAT_MIME: 1026 { 1027 SLDataFormat_MIME *df_mime = (SLDataFormat_MIME *) pAudioSrc->pFormat; 1028 if (NULL == df_mime) { 1029 SL_LOGE("MIME type null invalid"); 1030 return SL_RESULT_CONTENT_UNSUPPORTED; 1031 } 1032 SL_LOGD("source MIME is %s", (char*)df_mime->mimeType); 1033 switch(df_mime->containerType) { 1034 case SL_CONTAINERTYPE_MPEG_TS: 1035 if (strcasecmp((char*)df_mime->mimeType, (const char *)XA_ANDROID_MIME_MP2TS)) { 1036 SL_LOGE("Invalid MIME (%s) for container SL_CONTAINERTYPE_MPEG_TS, expects %s", 1037 (char*)df_mime->mimeType, XA_ANDROID_MIME_MP2TS); 1038 return SL_RESULT_CONTENT_UNSUPPORTED; 1039 } 1040 if (pAudioPlayer->mAndroidObjType != AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE) { 1041 SL_LOGE("Invalid sink for container SL_CONTAINERTYPE_MPEG_TS"); 1042 return SL_RESULT_PARAMETER_INVALID; 1043 } 1044 break; 1045 case SL_CONTAINERTYPE_RAW: 1046 case SL_CONTAINERTYPE_AAC: 1047 if (strcasecmp((char*)df_mime->mimeType, (const char *)SL_ANDROID_MIME_AACADTS) && 1048 strcasecmp((char*)df_mime->mimeType, 1049 ANDROID_MIME_AACADTS_ANDROID_FRAMEWORK)) { 1050 SL_LOGE("Invalid MIME (%s) for container type %d, expects %s", 1051 (char*)df_mime->mimeType, df_mime->containerType, 1052 SL_ANDROID_MIME_AACADTS); 1053 return SL_RESULT_CONTENT_UNSUPPORTED; 1054 } 1055 if (pAudioPlayer->mAndroidObjType != AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE) { 1056 SL_LOGE("Invalid sink for container SL_CONTAINERTYPE_AAC"); 1057 return SL_RESULT_PARAMETER_INVALID; 1058 } 1059 break; 1060 default: 1061 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1062 "that is not fed MPEG-2 TS data or AAC ADTS data"); 1063 return SL_RESULT_CONTENT_UNSUPPORTED; 1064 } 1065 } 1066 break; 1067 default: 1068 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1069 "without SL_DATAFORMAT_MIME format"); 1070 return SL_RESULT_CONTENT_UNSUPPORTED; 1071 } 1072 } 1073 break; // case SL_DATALOCATOR_ANDROIDBUFFERQUEUE 1074 //------------------ 1075 // Address 1076 case SL_DATALOCATOR_ADDRESS: 1077 case SL_DATALOCATOR_IODEVICE: 1078 case SL_DATALOCATOR_OUTPUTMIX: 1079 case XA_DATALOCATOR_NATIVEDISPLAY: 1080 case SL_DATALOCATOR_MIDIBUFFERQUEUE: 1081 SL_LOGE("Cannot create audio player with data locator type 0x%x", 1082 (unsigned) sourceLocatorType); 1083 return SL_RESULT_CONTENT_UNSUPPORTED; 1084 default: 1085 SL_LOGE("Cannot create audio player with invalid data locator type 0x%x", 1086 (unsigned) sourceLocatorType); 1087 return SL_RESULT_PARAMETER_INVALID; 1088 }// switch (locatorType) 1089 1090 return SL_RESULT_SUCCESS; 1091} 1092 1093 1094//----------------------------------------------------------------------------- 1095// Callback associated with an AudioTrack of an SL ES AudioPlayer that gets its data 1096// from a buffer queue. This will not be called once the AudioTrack has been destroyed. 1097static void audioTrack_callBack_pullFromBuffQueue(int event, void* user, void *info) { 1098 CAudioPlayer *ap = (CAudioPlayer *)user; 1099 1100 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 1101 // it is not safe to enter the callback (the track is about to go away) 1102 return; 1103 } 1104 1105 void * callbackPContext = NULL; 1106 switch(event) { 1107 1108 case android::AudioTrack::EVENT_MORE_DATA: { 1109 //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack TID=%d", gettid()); 1110 slBufferQueueCallback callback = NULL; 1111 slPrefetchCallback prefetchCallback = NULL; 1112 void *prefetchContext = NULL; 1113 SLuint32 prefetchEvents = SL_PREFETCHEVENT_NONE; 1114 android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info; 1115 1116 // retrieve data from the buffer queue 1117 interface_lock_exclusive(&ap->mBufferQueue); 1118 1119 if (ap->mBufferQueue.mState.count != 0) { 1120 //SL_LOGV("nbBuffers in queue = %u",ap->mBufferQueue.mState.count); 1121 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear); 1122 1123 BufferHeader *oldFront = ap->mBufferQueue.mFront; 1124 BufferHeader *newFront = &oldFront[1]; 1125 1126 // declared as void * because this code supports both 8-bit and 16-bit PCM data 1127 void *pSrc = (char *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed; 1128 if (ap->mBufferQueue.mSizeConsumed + pBuff->size < oldFront->mSize) { 1129 // can't consume the whole or rest of the buffer in one shot 1130 ap->mBufferQueue.mSizeConsumed += pBuff->size; 1131 // leave pBuff->size untouched 1132 // consume data 1133 // FIXME can we avoid holding the lock during the copy? 1134 memcpy (pBuff->raw, pSrc, pBuff->size); 1135 } else { 1136 // finish consuming the buffer or consume the buffer in one shot 1137 pBuff->size = oldFront->mSize - ap->mBufferQueue.mSizeConsumed; 1138 ap->mBufferQueue.mSizeConsumed = 0; 1139 1140 if (newFront == 1141 &ap->mBufferQueue.mArray 1142 [ap->mBufferQueue.mNumBuffers + 1]) 1143 { 1144 newFront = ap->mBufferQueue.mArray; 1145 } 1146 ap->mBufferQueue.mFront = newFront; 1147 1148 ap->mBufferQueue.mState.count--; 1149 ap->mBufferQueue.mState.playIndex++; 1150 1151 // consume data 1152 // FIXME can we avoid holding the lock during the copy? 1153 memcpy (pBuff->raw, pSrc, pBuff->size); 1154 1155 // data has been consumed, and the buffer queue state has been updated 1156 // we will notify the client if applicable 1157 callback = ap->mBufferQueue.mCallback; 1158 // save callback data 1159 callbackPContext = ap->mBufferQueue.mContext; 1160 } 1161 } else { // empty queue 1162 // signal no data available 1163 pBuff->size = 0; 1164 1165 // signal we're at the end of the content, but don't pause (see note in function) 1166 audioPlayer_dispatch_headAtEnd_lockPlay(ap, false /*set state to paused?*/, false); 1167 1168 // signal underflow to prefetch status itf 1169 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 1170 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 1171 ap->mPrefetchStatus.mLevel = 0; 1172 // callback or no callback? 1173 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask & 1174 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE); 1175 if (SL_PREFETCHEVENT_NONE != prefetchEvents) { 1176 prefetchCallback = ap->mPrefetchStatus.mCallback; 1177 prefetchContext = ap->mPrefetchStatus.mContext; 1178 } 1179 } 1180 1181 // stop the track so it restarts playing faster when new data is enqueued 1182 ap->mAudioTrack->stop(); 1183 } 1184 interface_unlock_exclusive(&ap->mBufferQueue); 1185 1186 // notify client 1187 if (NULL != prefetchCallback) { 1188 assert(SL_PREFETCHEVENT_NONE != prefetchEvents); 1189 // spec requires separate callbacks for each event 1190 if (prefetchEvents & SL_PREFETCHEVENT_STATUSCHANGE) { 1191 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, 1192 SL_PREFETCHEVENT_STATUSCHANGE); 1193 } 1194 if (prefetchEvents & SL_PREFETCHEVENT_FILLLEVELCHANGE) { 1195 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, 1196 SL_PREFETCHEVENT_FILLLEVELCHANGE); 1197 } 1198 } 1199 if (NULL != callback) { 1200 (*callback)(&ap->mBufferQueue.mItf, callbackPContext); 1201 } 1202 } 1203 break; 1204 1205 case android::AudioTrack::EVENT_MARKER: 1206 //SL_LOGI("received event EVENT_MARKER from AudioTrack"); 1207 audioTrack_handleMarker_lockPlay(ap); 1208 break; 1209 1210 case android::AudioTrack::EVENT_NEW_POS: 1211 //SL_LOGI("received event EVENT_NEW_POS from AudioTrack"); 1212 audioTrack_handleNewPos_lockPlay(ap); 1213 break; 1214 1215 case android::AudioTrack::EVENT_UNDERRUN: 1216 //SL_LOGI("received event EVENT_UNDERRUN from AudioTrack"); 1217 audioTrack_handleUnderrun_lockPlay(ap); 1218 break; 1219 1220 case android::AudioTrack::EVENT_BUFFER_END: 1221 case android::AudioTrack::EVENT_LOOP_END: 1222 // These are unexpected so fall through 1223 default: 1224 // FIXME where does the notification of SL_PLAYEVENT_HEADMOVING fit? 1225 SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event, 1226 (CAudioPlayer *)user); 1227 break; 1228 } 1229 1230 ap->mCallbackProtector->exitCb(); 1231} 1232 1233 1234//----------------------------------------------------------------------------- 1235void android_audioPlayer_create(CAudioPlayer *pAudioPlayer) { 1236 1237 // pAudioPlayer->mAndroidObjType has been set in android_audioPlayer_checkSourceSink() 1238 // and if it was == INVALID_TYPE, then IEngine_CreateAudioPlayer would never call us 1239 assert(INVALID_TYPE != pAudioPlayer->mAndroidObjType); 1240 1241 // These initializations are in the same order as the field declarations in classes.h 1242 1243 // FIXME Consolidate initializations (many of these already in IEngine_CreateAudioPlayer) 1244 // mAndroidObjType: see above comment 1245 pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED; 1246 pAudioPlayer->mSessionId = android::AudioSystem::newAudioSessionId(); 1247 1248 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player 1249 // android::AudioSystem::acquireAudioSessionId(pAudioPlayer->mSessionId); 1250 1251 pAudioPlayer->mStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE; 1252 1253 // mAudioTrack 1254 pAudioPlayer->mCallbackProtector = new android::CallbackProtector(); 1255 // mAPLayer 1256 // mAuxEffect 1257 1258 pAudioPlayer->mAuxSendLevel = 0; 1259 pAudioPlayer->mAmplFromDirectLevel = 1.0f; // matches initial mDirectLevel value 1260 pAudioPlayer->mDeferredStart = false; 1261 1262 // This section re-initializes interface-specific fields that 1263 // can be set or used regardless of whether the interface is 1264 // exposed on the AudioPlayer or not 1265 1266 switch (pAudioPlayer->mAndroidObjType) { 1267 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1268 pAudioPlayer->mPlaybackRate.mMinRate = AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE; 1269 pAudioPlayer->mPlaybackRate.mMaxRate = AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE; 1270 break; 1271 case AUDIOPLAYER_FROM_URIFD: 1272 pAudioPlayer->mPlaybackRate.mMinRate = MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE; 1273 pAudioPlayer->mPlaybackRate.mMaxRate = MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE; 1274 break; 1275 default: 1276 // use the default range 1277 break; 1278 } 1279 1280} 1281 1282 1283//----------------------------------------------------------------------------- 1284SLresult android_audioPlayer_setConfig(CAudioPlayer *ap, const SLchar *configKey, 1285 const void *pConfigValue, SLuint32 valueSize) { 1286 1287 SLresult result; 1288 1289 assert(NULL != ap && NULL != configKey && NULL != pConfigValue); 1290 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1291 1292 // stream type 1293 if (KEY_STREAM_TYPE_PARAMSIZE > valueSize) { 1294 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1295 result = SL_RESULT_BUFFER_INSUFFICIENT; 1296 } else { 1297 result = audioPlayer_setStreamType(ap, *(SLuint32*)pConfigValue); 1298 } 1299 1300 } else { 1301 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 1302 result = SL_RESULT_PARAMETER_INVALID; 1303 } 1304 1305 return result; 1306} 1307 1308 1309//----------------------------------------------------------------------------- 1310SLresult android_audioPlayer_getConfig(CAudioPlayer* ap, const SLchar *configKey, 1311 SLuint32* pValueSize, void *pConfigValue) { 1312 1313 SLresult result; 1314 1315 assert(NULL != ap && NULL != configKey && NULL != pValueSize); 1316 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1317 1318 // stream type 1319 if (NULL == pConfigValue) { 1320 result = SL_RESULT_SUCCESS; 1321 } else if (KEY_STREAM_TYPE_PARAMSIZE > *pValueSize) { 1322 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1323 result = SL_RESULT_BUFFER_INSUFFICIENT; 1324 } else { 1325 result = audioPlayer_getStreamType(ap, (SLint32*)pConfigValue); 1326 } 1327 *pValueSize = KEY_STREAM_TYPE_PARAMSIZE; 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// Called from android_audioPlayer_realize for a PCM buffer queue player 1339// to determine if it can use a fast track. 1340static bool canUseFastTrack(CAudioPlayer *pAudioPlayer) 1341{ 1342 assert(pAudioPlayer->mAndroidObjType == AUDIOPLAYER_FROM_PCM_BUFFERQUEUE); 1343 1344 // no need to check the buffer queue size, application side 1345 // double-buffering (and more) is not a requirement for using fast tracks 1346 1347 // Check a blacklist of interfaces that are incompatible with fast tracks. 1348 // The alternative, to check a whitelist of compatible interfaces, is 1349 // more maintainable but is too slow. As a compromise, in a debug build 1350 // we use both methods and warn if they produce different results. 1351 // In release builds, we only use the blacklist method. 1352 // If a blacklisted interface is added after realization using 1353 // DynamicInterfaceManagement::AddInterface, 1354 // then this won't be detected but the interface will be ineffective. 1355 bool blacklistResult = true; 1356 static const unsigned blacklist[] = { 1357 MPH_BASSBOOST, 1358 MPH_EFFECTSEND, 1359 MPH_ENVIRONMENTALREVERB, 1360 MPH_EQUALIZER, 1361 MPH_PLAYBACKRATE, 1362 MPH_PRESETREVERB, 1363 MPH_VIRTUALIZER, 1364 MPH_ANDROIDEFFECT, 1365 MPH_ANDROIDEFFECTSEND, 1366 // FIXME The problem with a blacklist is remembering to add new interfaces here 1367 }; 1368 for (unsigned i = 0; i < sizeof(blacklist)/sizeof(blacklist[0]); ++i) { 1369 if (IsInterfaceInitialized(&pAudioPlayer->mObject, blacklist[i])) { 1370 blacklistResult = false; 1371 break; 1372 } 1373 } 1374#if LOG_NDEBUG == 0 1375 bool whitelistResult = true; 1376 static const unsigned whitelist[] = { 1377 MPH_BUFFERQUEUE, 1378 MPH_DYNAMICINTERFACEMANAGEMENT, 1379 MPH_METADATAEXTRACTION, 1380 MPH_MUTESOLO, 1381 MPH_OBJECT, 1382 MPH_PLAY, 1383 MPH_PREFETCHSTATUS, 1384 MPH_VOLUME, 1385 MPH_ANDROIDCONFIGURATION, 1386 MPH_ANDROIDSIMPLEBUFFERQUEUE, 1387 MPH_ANDROIDBUFFERQUEUESOURCE, 1388 }; 1389 for (unsigned mph = MPH_MIN; mph < MPH_MAX; ++mph) { 1390 for (unsigned i = 0; i < sizeof(whitelist)/sizeof(whitelist[0]); ++i) { 1391 if (mph == whitelist[i]) { 1392 goto compatible; 1393 } 1394 } 1395 if (IsInterfaceInitialized(&pAudioPlayer->mObject, mph)) { 1396 whitelistResult = false; 1397 break; 1398 } 1399compatible: ; 1400 } 1401 if (whitelistResult != blacklistResult) { 1402 ALOGW("whitelistResult != blacklistResult"); 1403 // and use blacklistResult below 1404 } 1405#endif 1406 return blacklistResult; 1407} 1408 1409 1410//----------------------------------------------------------------------------- 1411// FIXME abstract out the diff between CMediaPlayer and CAudioPlayer 1412SLresult android_audioPlayer_realize(CAudioPlayer *pAudioPlayer, SLboolean async) { 1413 1414 SLresult result = SL_RESULT_SUCCESS; 1415 SL_LOGV("Realize pAudioPlayer=%p", pAudioPlayer); 1416 1417 AudioPlayback_Parameters app; 1418 app.sessionId = pAudioPlayer->mSessionId; 1419 app.streamType = pAudioPlayer->mStreamType; 1420 1421 switch (pAudioPlayer->mAndroidObjType) { 1422 1423 //----------------------------------- 1424 // AudioTrack 1425 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1426 { 1427 // initialize platform-specific CAudioPlayer fields 1428 1429 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) 1430 pAudioPlayer->mDynamicSource.mDataSource; 1431 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) 1432 pAudioPlayer->mDynamicSource.mDataSource->pFormat; 1433 1434 uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec); 1435 1436 audio_output_flags_t policy; 1437 if (canUseFastTrack(pAudioPlayer)) { 1438 policy = AUDIO_OUTPUT_FLAG_FAST; 1439 } else { 1440 policy = AUDIO_OUTPUT_FLAG_NONE; 1441 } 1442 1443 pAudioPlayer->mAudioTrack = new android::AudioTrack( 1444 pAudioPlayer->mStreamType, // streamType 1445 sampleRate, // sampleRate 1446 sles_to_android_sampleFormat(df_pcm->bitsPerSample), // format 1447 sles_to_android_channelMaskOut(df_pcm->numChannels, df_pcm->channelMask), 1448 // channel mask 1449 0, // frameCount 1450 policy, // flags 1451 audioTrack_callBack_pullFromBuffQueue, // callback 1452 (void *) pAudioPlayer, // user 1453 0, // FIXME find appropriate frame count // notificationFrame 1454 pAudioPlayer->mSessionId); 1455 android::status_t status = pAudioPlayer->mAudioTrack->initCheck(); 1456 if (status != android::NO_ERROR) { 1457 SL_LOGE("AudioTrack::initCheck status %u", status); 1458 result = SL_RESULT_CONTENT_UNSUPPORTED; 1459 pAudioPlayer->mAudioTrack.clear(); 1460 return result; 1461 } 1462 1463 // initialize platform-independent CAudioPlayer fields 1464 1465 pAudioPlayer->mNumChannels = df_pcm->numChannels; 1466 pAudioPlayer->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES 1467 1468 // This use case does not have a separate "prepare" step 1469 pAudioPlayer->mAndroidObjState = ANDROID_READY; 1470 } 1471 break; 1472 1473 //----------------------------------- 1474 // MediaPlayer 1475 case AUDIOPLAYER_FROM_URIFD: { 1476 pAudioPlayer->mAPlayer = new android::LocAVPlayer(&app, false /*hasVideo*/); 1477 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, 1478 (void*)pAudioPlayer /*notifUSer*/); 1479 1480 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1481 case SL_DATALOCATOR_URI: { 1482 // The legacy implementation ran Stagefright within the application process, and 1483 // so allowed local pathnames specified by URI that were openable by 1484 // the application but were not openable by mediaserver. 1485 // The current implementation runs Stagefright (mostly) within mediaserver, 1486 // which runs as a different UID and likely a different current working directory. 1487 // For backwards compatibility with any applications which may have relied on the 1488 // previous behavior, we convert an openable file URI into an FD. 1489 // Note that unlike SL_DATALOCATOR_ANDROIDFD, this FD is owned by us 1490 // and so we close it as soon as we've passed it (via Binder dup) to mediaserver. 1491 const char *uri = (const char *)pAudioPlayer->mDataSource.mLocator.mURI.URI; 1492 if (!isDistantProtocol(uri)) { 1493 // don't touch the original uri, we may need it later 1494 const char *pathname = uri; 1495 // skip over an optional leading file:// prefix 1496 if (!strncasecmp(pathname, "file://", 7)) { 1497 pathname += 7; 1498 } 1499 // attempt to open it as a file using the application's credentials 1500 int fd = ::open(pathname, O_RDONLY); 1501 if (fd >= 0) { 1502 // if open is successful, then check to see if it's a regular file 1503 struct stat statbuf; 1504 if (!::fstat(fd, &statbuf) && S_ISREG(statbuf.st_mode)) { 1505 // treat similarly to an FD data locator, but 1506 // let setDataSource take responsibility for closing fd 1507 pAudioPlayer->mAPlayer->setDataSource(fd, 0, statbuf.st_size, true); 1508 break; 1509 } 1510 // we were able to open it, but it's not a file, so let mediaserver try 1511 (void) ::close(fd); 1512 } 1513 } 1514 // if either the URI didn't look like a file, or open failed, or not a file 1515 pAudioPlayer->mAPlayer->setDataSource(uri); 1516 } break; 1517 case SL_DATALOCATOR_ANDROIDFD: { 1518 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1519 pAudioPlayer->mAPlayer->setDataSource( 1520 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1521 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1522 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1523 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1524 } 1525 break; 1526 default: 1527 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1528 break; 1529 } 1530 1531 } 1532 break; 1533 1534 //----------------------------------- 1535 // StreamPlayer 1536 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: { 1537 android::StreamPlayer* splr = new android::StreamPlayer(&app, false /*hasVideo*/, 1538 &pAudioPlayer->mAndroidBufferQueue, pAudioPlayer->mCallbackProtector); 1539 pAudioPlayer->mAPlayer = splr; 1540 splr->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1541 } 1542 break; 1543 1544 //----------------------------------- 1545 // AudioToCbRenderer 1546 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 1547 android::AudioToCbRenderer* decoder = new android::AudioToCbRenderer(&app); 1548 pAudioPlayer->mAPlayer = decoder; 1549 // configures the callback for the sink buffer queue 1550 decoder->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer); 1551 // configures the callback for the notifications coming from the SF code 1552 decoder->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1553 1554 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1555 case SL_DATALOCATOR_URI: 1556 decoder->setDataSource( 1557 (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI); 1558 break; 1559 case SL_DATALOCATOR_ANDROIDFD: { 1560 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1561 decoder->setDataSource( 1562 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1563 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1564 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1565 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1566 } 1567 break; 1568 default: 1569 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1570 break; 1571 } 1572 1573 } 1574 break; 1575 1576 //----------------------------------- 1577 // AacBqToPcmCbRenderer 1578 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: { 1579 android::AacBqToPcmCbRenderer* bqtobq = new android::AacBqToPcmCbRenderer(&app, 1580 &pAudioPlayer->mAndroidBufferQueue); 1581 // configures the callback for the sink buffer queue 1582 bqtobq->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer); 1583 pAudioPlayer->mAPlayer = bqtobq; 1584 // configures the callback for the notifications coming from the SF code, 1585 // but also implicitly configures the AndroidBufferQueue from which ADTS data is read 1586 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1587 } 1588 break; 1589 1590 //----------------------------------- 1591 default: 1592 SL_LOGE(ERROR_PLAYERREALIZE_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1593 result = SL_RESULT_INTERNAL_ERROR; 1594 break; 1595 } 1596 1597 // proceed with effect initialization 1598 // initialize EQ 1599 // FIXME use a table of effect descriptors when adding support for more effects 1600 if (memcmp(SL_IID_EQUALIZER, &pAudioPlayer->mEqualizer.mEqDescriptor.type, 1601 sizeof(effect_uuid_t)) == 0) { 1602 SL_LOGV("Need to initialize EQ for AudioPlayer=%p", pAudioPlayer); 1603 android_eq_init(pAudioPlayer->mSessionId, &pAudioPlayer->mEqualizer); 1604 } 1605 // initialize BassBoost 1606 if (memcmp(SL_IID_BASSBOOST, &pAudioPlayer->mBassBoost.mBassBoostDescriptor.type, 1607 sizeof(effect_uuid_t)) == 0) { 1608 SL_LOGV("Need to initialize BassBoost for AudioPlayer=%p", pAudioPlayer); 1609 android_bb_init(pAudioPlayer->mSessionId, &pAudioPlayer->mBassBoost); 1610 } 1611 // initialize Virtualizer 1612 if (memcmp(SL_IID_VIRTUALIZER, &pAudioPlayer->mVirtualizer.mVirtualizerDescriptor.type, 1613 sizeof(effect_uuid_t)) == 0) { 1614 SL_LOGV("Need to initialize Virtualizer for AudioPlayer=%p", pAudioPlayer); 1615 android_virt_init(pAudioPlayer->mSessionId, &pAudioPlayer->mVirtualizer); 1616 } 1617 1618 // initialize EffectSend 1619 // FIXME initialize EffectSend 1620 1621 return result; 1622} 1623 1624 1625//----------------------------------------------------------------------------- 1626/** 1627 * Called with a lock on AudioPlayer, and blocks until safe to destroy 1628 */ 1629SLresult android_audioPlayer_preDestroy(CAudioPlayer *pAudioPlayer) { 1630 SL_LOGD("android_audioPlayer_preDestroy(%p)", pAudioPlayer); 1631 SLresult result = SL_RESULT_SUCCESS; 1632 1633 bool disableCallbacksBeforePreDestroy; 1634 switch (pAudioPlayer->mAndroidObjType) { 1635 // Not yet clear why this order is important, but it reduces detected deadlocks 1636 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1637 disableCallbacksBeforePreDestroy = true; 1638 break; 1639 // Use the old behavior for all other use cases until proven 1640 // case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1641 default: 1642 disableCallbacksBeforePreDestroy = false; 1643 break; 1644 } 1645 1646 if (disableCallbacksBeforePreDestroy) { 1647 object_unlock_exclusive(&pAudioPlayer->mObject); 1648 if (pAudioPlayer->mCallbackProtector != 0) { 1649 pAudioPlayer->mCallbackProtector->requestCbExitAndWait(); 1650 } 1651 object_lock_exclusive(&pAudioPlayer->mObject); 1652 } 1653 1654 if (pAudioPlayer->mAPlayer != 0) { 1655 pAudioPlayer->mAPlayer->preDestroy(); 1656 } 1657 SL_LOGD("android_audioPlayer_preDestroy(%p) after mAPlayer->preDestroy()", pAudioPlayer); 1658 1659 if (!disableCallbacksBeforePreDestroy) { 1660 object_unlock_exclusive(&pAudioPlayer->mObject); 1661 if (pAudioPlayer->mCallbackProtector != 0) { 1662 pAudioPlayer->mCallbackProtector->requestCbExitAndWait(); 1663 } 1664 object_lock_exclusive(&pAudioPlayer->mObject); 1665 } 1666 1667 return result; 1668} 1669 1670 1671//----------------------------------------------------------------------------- 1672SLresult android_audioPlayer_destroy(CAudioPlayer *pAudioPlayer) { 1673 SLresult result = SL_RESULT_SUCCESS; 1674 SL_LOGV("android_audioPlayer_destroy(%p)", pAudioPlayer); 1675 switch (pAudioPlayer->mAndroidObjType) { 1676 1677 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1678 // We own the audio track for PCM buffer queue players 1679 if (pAudioPlayer->mAudioTrack != 0) { 1680 pAudioPlayer->mAudioTrack->stop(); 1681 // Note that there may still be another reference in post-unlock phase of SetPlayState 1682 pAudioPlayer->mAudioTrack.clear(); 1683 } 1684 break; 1685 1686 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1687 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1688 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through 1689 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1690 pAudioPlayer->mAPlayer.clear(); 1691 break; 1692 //----------------------------------- 1693 default: 1694 SL_LOGE(ERROR_PLAYERDESTROY_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1695 result = SL_RESULT_INTERNAL_ERROR; 1696 break; 1697 } 1698 1699 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player 1700 // android::AudioSystem::releaseAudioSessionId(pAudioPlayer->mSessionId); 1701 1702 pAudioPlayer->mCallbackProtector.clear(); 1703 1704 // explicit destructor 1705 pAudioPlayer->mAudioTrack.~sp(); 1706 // note that SetPlayState(PLAYING) may still hold a reference 1707 pAudioPlayer->mCallbackProtector.~sp(); 1708 pAudioPlayer->mAuxEffect.~sp(); 1709 pAudioPlayer->mAPlayer.~sp(); 1710 1711 return result; 1712} 1713 1714 1715//----------------------------------------------------------------------------- 1716SLresult android_audioPlayer_setPlaybackRateAndConstraints(CAudioPlayer *ap, SLpermille rate, 1717 SLuint32 constraints) { 1718 SLresult result = SL_RESULT_SUCCESS; 1719 switch(ap->mAndroidObjType) { 1720 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: { 1721 // these asserts were already checked by the platform-independent layer 1722 assert((AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE <= rate) && 1723 (rate <= AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE)); 1724 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO); 1725 // get the content sample rate 1726 uint32_t contentRate = sles_to_android_sampleRate(ap->mSampleRateMilliHz); 1727 // apply the SL ES playback rate on the AudioTrack as a factor of its content sample rate 1728 if (ap->mAudioTrack != 0) { 1729 ap->mAudioTrack->setSampleRate(contentRate * (rate/1000.0f)); 1730 } 1731 } 1732 break; 1733 case AUDIOPLAYER_FROM_URIFD: { 1734 assert((MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE <= rate) && 1735 (rate <= MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE)); 1736 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO); 1737 // apply the SL ES playback rate on the GenericPlayer 1738 if (ap->mAPlayer != 0) { 1739 ap->mAPlayer->setPlaybackRate((int16_t)rate); 1740 } 1741 } 1742 break; 1743 1744 default: 1745 SL_LOGE("Unexpected object type %d", ap->mAndroidObjType); 1746 result = SL_RESULT_FEATURE_UNSUPPORTED; 1747 break; 1748 } 1749 return result; 1750} 1751 1752 1753//----------------------------------------------------------------------------- 1754// precondition 1755// called with no lock held 1756// ap != NULL 1757// pItemCount != NULL 1758SLresult android_audioPlayer_metadata_getItemCount(CAudioPlayer *ap, SLuint32 *pItemCount) { 1759 if (ap->mAPlayer == 0) { 1760 return SL_RESULT_PARAMETER_INVALID; 1761 } 1762 switch(ap->mAndroidObjType) { 1763 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1764 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1765 { 1766 android::AudioSfDecoder* decoder = 1767 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1768 *pItemCount = decoder->getPcmFormatKeyCount(); 1769 } 1770 break; 1771 default: 1772 *pItemCount = 0; 1773 break; 1774 } 1775 return SL_RESULT_SUCCESS; 1776} 1777 1778 1779//----------------------------------------------------------------------------- 1780// precondition 1781// called with no lock held 1782// ap != NULL 1783// pKeySize != NULL 1784SLresult android_audioPlayer_metadata_getKeySize(CAudioPlayer *ap, 1785 SLuint32 index, SLuint32 *pKeySize) { 1786 if (ap->mAPlayer == 0) { 1787 return SL_RESULT_PARAMETER_INVALID; 1788 } 1789 SLresult res = SL_RESULT_SUCCESS; 1790 switch(ap->mAndroidObjType) { 1791 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1792 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1793 { 1794 android::AudioSfDecoder* decoder = 1795 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1796 SLuint32 keyNameSize = 0; 1797 if (!decoder->getPcmFormatKeySize(index, &keyNameSize)) { 1798 res = SL_RESULT_PARAMETER_INVALID; 1799 } else { 1800 // *pKeySize is the size of the region used to store the key name AND 1801 // the information about the key (size, lang, encoding) 1802 *pKeySize = keyNameSize + sizeof(SLMetadataInfo); 1803 } 1804 } 1805 break; 1806 default: 1807 *pKeySize = 0; 1808 res = SL_RESULT_PARAMETER_INVALID; 1809 break; 1810 } 1811 return res; 1812} 1813 1814 1815//----------------------------------------------------------------------------- 1816// precondition 1817// called with no lock held 1818// ap != NULL 1819// pKey != NULL 1820SLresult android_audioPlayer_metadata_getKey(CAudioPlayer *ap, 1821 SLuint32 index, SLuint32 size, SLMetadataInfo *pKey) { 1822 if (ap->mAPlayer == 0) { 1823 return SL_RESULT_PARAMETER_INVALID; 1824 } 1825 SLresult res = SL_RESULT_SUCCESS; 1826 switch(ap->mAndroidObjType) { 1827 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1828 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1829 { 1830 android::AudioSfDecoder* decoder = 1831 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1832 if ((size < sizeof(SLMetadataInfo) || 1833 (!decoder->getPcmFormatKeyName(index, size - sizeof(SLMetadataInfo), 1834 (char*)pKey->data)))) { 1835 res = SL_RESULT_PARAMETER_INVALID; 1836 } else { 1837 // successfully retrieved the key value, update the other fields 1838 pKey->encoding = SL_CHARACTERENCODING_UTF8; 1839 memcpy((char *) pKey->langCountry, "en", 3); 1840 pKey->size = strlen((char*)pKey->data) + 1; 1841 } 1842 } 1843 break; 1844 default: 1845 res = SL_RESULT_PARAMETER_INVALID; 1846 break; 1847 } 1848 return res; 1849} 1850 1851 1852//----------------------------------------------------------------------------- 1853// precondition 1854// called with no lock held 1855// ap != NULL 1856// pValueSize != NULL 1857SLresult android_audioPlayer_metadata_getValueSize(CAudioPlayer *ap, 1858 SLuint32 index, SLuint32 *pValueSize) { 1859 if (ap->mAPlayer == 0) { 1860 return SL_RESULT_PARAMETER_INVALID; 1861 } 1862 SLresult res = SL_RESULT_SUCCESS; 1863 switch(ap->mAndroidObjType) { 1864 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1865 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1866 { 1867 android::AudioSfDecoder* decoder = 1868 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1869 SLuint32 valueSize = 0; 1870 if (!decoder->getPcmFormatValueSize(index, &valueSize)) { 1871 res = SL_RESULT_PARAMETER_INVALID; 1872 } else { 1873 // *pValueSize is the size of the region used to store the key value AND 1874 // the information about the value (size, lang, encoding) 1875 *pValueSize = valueSize + sizeof(SLMetadataInfo); 1876 } 1877 } 1878 break; 1879 default: 1880 *pValueSize = 0; 1881 res = SL_RESULT_PARAMETER_INVALID; 1882 break; 1883 } 1884 return res; 1885} 1886 1887 1888//----------------------------------------------------------------------------- 1889// precondition 1890// called with no lock held 1891// ap != NULL 1892// pValue != NULL 1893SLresult android_audioPlayer_metadata_getValue(CAudioPlayer *ap, 1894 SLuint32 index, SLuint32 size, SLMetadataInfo *pValue) { 1895 if (ap->mAPlayer == 0) { 1896 return SL_RESULT_PARAMETER_INVALID; 1897 } 1898 SLresult res = SL_RESULT_SUCCESS; 1899 switch(ap->mAndroidObjType) { 1900 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1901 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1902 { 1903 android::AudioSfDecoder* decoder = 1904 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1905 pValue->encoding = SL_CHARACTERENCODING_BINARY; 1906 memcpy((char *) pValue->langCountry, "en", 3); // applicable here? 1907 SLuint32 valueSize = 0; 1908 if ((size < sizeof(SLMetadataInfo) 1909 || (!decoder->getPcmFormatValueSize(index, &valueSize)) 1910 || (!decoder->getPcmFormatKeyValue(index, size - sizeof(SLMetadataInfo), 1911 (SLuint32*)pValue->data)))) { 1912 res = SL_RESULT_PARAMETER_INVALID; 1913 } else { 1914 pValue->size = valueSize; 1915 } 1916 } 1917 break; 1918 default: 1919 res = SL_RESULT_PARAMETER_INVALID; 1920 break; 1921 } 1922 return res; 1923} 1924 1925//----------------------------------------------------------------------------- 1926// preconditions 1927// ap != NULL 1928// mutex is locked 1929// play state has changed 1930void android_audioPlayer_setPlayState(CAudioPlayer *ap) { 1931 1932 SLuint32 playState = ap->mPlay.mState; 1933 AndroidObjectState objState = ap->mAndroidObjState; 1934 1935 switch(ap->mAndroidObjType) { 1936 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1937 switch (playState) { 1938 case SL_PLAYSTATE_STOPPED: 1939 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED"); 1940 if (ap->mAudioTrack != 0) { 1941 ap->mAudioTrack->stop(); 1942 } 1943 break; 1944 case SL_PLAYSTATE_PAUSED: 1945 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED"); 1946 if (ap->mAudioTrack != 0) { 1947 ap->mAudioTrack->pause(); 1948 } 1949 break; 1950 case SL_PLAYSTATE_PLAYING: 1951 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING"); 1952 if (ap->mAudioTrack != 0) { 1953 // instead of ap->mAudioTrack->start(); 1954 ap->mDeferredStart = true; 1955 } 1956 break; 1957 default: 1958 // checked by caller, should not happen 1959 break; 1960 } 1961 break; 1962 1963 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1964 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1965 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through 1966 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1967 // FIXME report and use the return code to the lock mechanism, which is where play state 1968 // changes are updated (see object_unlock_exclusive_attributes()) 1969 aplayer_setPlayState(ap->mAPlayer, playState, &(ap->mAndroidObjState)); 1970 break; 1971 default: 1972 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_UNEXPECTED_OBJECT_TYPE_D, ap->mAndroidObjType); 1973 break; 1974 } 1975} 1976 1977 1978//----------------------------------------------------------------------------- 1979// call when either player event flags, marker position, or position update period changes 1980void android_audioPlayer_usePlayEventMask(CAudioPlayer *ap) { 1981 IPlay *pPlayItf = &ap->mPlay; 1982 SLuint32 eventFlags = pPlayItf->mEventFlags; 1983 /*switch(ap->mAndroidObjType) { 1984 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:*/ 1985 1986 if (ap->mAPlayer != 0) { 1987 assert(ap->mAudioTrack == 0); 1988 ap->mAPlayer->setPlayEvents((int32_t) eventFlags, (int32_t) pPlayItf->mMarkerPosition, 1989 (int32_t) pPlayItf->mPositionUpdatePeriod); 1990 return; 1991 } 1992 1993 if (ap->mAudioTrack == 0) { 1994 return; 1995 } 1996 1997 if (eventFlags & SL_PLAYEVENT_HEADATMARKER) { 1998 ap->mAudioTrack->setMarkerPosition((uint32_t)((((int64_t)pPlayItf->mMarkerPosition 1999 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 2000 } else { 2001 // clear marker 2002 ap->mAudioTrack->setMarkerPosition(0); 2003 } 2004 2005 if (eventFlags & SL_PLAYEVENT_HEADATNEWPOS) { 2006 ap->mAudioTrack->setPositionUpdatePeriod( 2007 (uint32_t)((((int64_t)pPlayItf->mPositionUpdatePeriod 2008 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 2009 } else { 2010 // clear periodic update 2011 ap->mAudioTrack->setPositionUpdatePeriod(0); 2012 } 2013 2014 if (eventFlags & SL_PLAYEVENT_HEADATEND) { 2015 // nothing to do for SL_PLAYEVENT_HEADATEND, callback event will be checked against mask 2016 } 2017 2018 if (eventFlags & SL_PLAYEVENT_HEADMOVING) { 2019 // FIXME support SL_PLAYEVENT_HEADMOVING 2020 SL_LOGD("[ FIXME: IPlay_SetCallbackEventsMask(SL_PLAYEVENT_HEADMOVING) on an " 2021 "SL_OBJECTID_AUDIOPLAYER to be implemented ]"); 2022 } 2023 if (eventFlags & SL_PLAYEVENT_HEADSTALLED) { 2024 // nothing to do for SL_PLAYEVENT_HEADSTALLED, callback event will be checked against mask 2025 } 2026 2027} 2028 2029 2030//----------------------------------------------------------------------------- 2031SLresult android_audioPlayer_getDuration(IPlay *pPlayItf, SLmillisecond *pDurMsec) { 2032 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 2033 switch(ap->mAndroidObjType) { 2034 2035 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2036 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 2037 int32_t durationMsec = ANDROID_UNKNOWN_TIME; 2038 if (ap->mAPlayer != 0) { 2039 ap->mAPlayer->getDurationMsec(&durationMsec); 2040 } 2041 *pDurMsec = durationMsec == ANDROID_UNKNOWN_TIME ? SL_TIME_UNKNOWN : durationMsec; 2042 break; 2043 } 2044 2045 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2046 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2047 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2048 default: { 2049 *pDurMsec = SL_TIME_UNKNOWN; 2050 } 2051 } 2052 return SL_RESULT_SUCCESS; 2053} 2054 2055 2056//----------------------------------------------------------------------------- 2057void android_audioPlayer_getPosition(IPlay *pPlayItf, SLmillisecond *pPosMsec) { 2058 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 2059 switch(ap->mAndroidObjType) { 2060 2061 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2062 if ((ap->mSampleRateMilliHz == UNKNOWN_SAMPLERATE) || (ap->mAudioTrack == 0)) { 2063 *pPosMsec = 0; 2064 } else { 2065 uint32_t positionInFrames; 2066 ap->mAudioTrack->getPosition(&positionInFrames); 2067 *pPosMsec = ((int64_t)positionInFrames * 1000) / 2068 sles_to_android_sampleRate(ap->mSampleRateMilliHz); 2069 } 2070 break; 2071 2072 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2073 case AUDIOPLAYER_FROM_URIFD: 2074 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2075 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: { 2076 int32_t posMsec = ANDROID_UNKNOWN_TIME; 2077 if (ap->mAPlayer != 0) { 2078 ap->mAPlayer->getPositionMsec(&posMsec); 2079 } 2080 *pPosMsec = posMsec == ANDROID_UNKNOWN_TIME ? 0 : posMsec; 2081 break; 2082 } 2083 2084 default: 2085 *pPosMsec = 0; 2086 } 2087} 2088 2089 2090//----------------------------------------------------------------------------- 2091SLresult android_audioPlayer_seek(CAudioPlayer *ap, SLmillisecond posMsec) { 2092 SLresult result = SL_RESULT_SUCCESS; 2093 2094 switch(ap->mAndroidObjType) { 2095 2096 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: // intended fall-through 2097 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2098 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2099 result = SL_RESULT_FEATURE_UNSUPPORTED; 2100 break; 2101 2102 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2103 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2104 if (ap->mAPlayer != 0) { 2105 ap->mAPlayer->seek(posMsec); 2106 } 2107 break; 2108 2109 default: 2110 break; 2111 } 2112 return result; 2113} 2114 2115 2116//----------------------------------------------------------------------------- 2117SLresult android_audioPlayer_loop(CAudioPlayer *ap, SLboolean loopEnable) { 2118 SLresult result = SL_RESULT_SUCCESS; 2119 2120 switch (ap->mAndroidObjType) { 2121 case AUDIOPLAYER_FROM_URIFD: 2122 // case AUDIOPLAY_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2123 // would actually work, but what's the point? 2124 if (ap->mAPlayer != 0) { 2125 ap->mAPlayer->loop((bool)loopEnable); 2126 } 2127 break; 2128 default: 2129 result = SL_RESULT_FEATURE_UNSUPPORTED; 2130 break; 2131 } 2132 return result; 2133} 2134 2135 2136//----------------------------------------------------------------------------- 2137SLresult android_audioPlayer_setBufferingUpdateThresholdPerMille(CAudioPlayer *ap, 2138 SLpermille threshold) { 2139 SLresult result = SL_RESULT_SUCCESS; 2140 2141 switch (ap->mAndroidObjType) { 2142 case AUDIOPLAYER_FROM_URIFD: 2143 if (ap->mAPlayer != 0) { 2144 ap->mAPlayer->setBufferingUpdateThreshold(threshold / 10); 2145 } 2146 break; 2147 2148 default: {} 2149 } 2150 2151 return result; 2152} 2153 2154 2155//----------------------------------------------------------------------------- 2156void android_audioPlayer_bufferQueue_onRefilled_l(CAudioPlayer *ap) { 2157 // the AudioTrack associated with the AudioPlayer receiving audio from a PCM buffer 2158 // queue was stopped when the queue become empty, we restart as soon as a new buffer 2159 // has been enqueued since we're in playing state 2160 if (ap->mAudioTrack != 0) { 2161 // instead of ap->mAudioTrack->start(); 2162 ap->mDeferredStart = true; 2163 } 2164 2165 // when the queue became empty, an underflow on the prefetch status itf was sent. Now the queue 2166 // has received new data, signal it has sufficient data 2167 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 2168 // we wouldn't have been called unless we were previously in the underflow state 2169 assert(SL_PREFETCHSTATUS_UNDERFLOW == ap->mPrefetchStatus.mStatus); 2170 assert(0 == ap->mPrefetchStatus.mLevel); 2171 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA; 2172 ap->mPrefetchStatus.mLevel = 1000; 2173 // callback or no callback? 2174 SLuint32 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask & 2175 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE); 2176 if (SL_PREFETCHEVENT_NONE != prefetchEvents) { 2177 ap->mPrefetchStatus.mDeferredPrefetchCallback = ap->mPrefetchStatus.mCallback; 2178 ap->mPrefetchStatus.mDeferredPrefetchContext = ap->mPrefetchStatus.mContext; 2179 ap->mPrefetchStatus.mDeferredPrefetchEvents = prefetchEvents; 2180 } 2181 } 2182} 2183 2184 2185//----------------------------------------------------------------------------- 2186/* 2187 * BufferQueue::Clear 2188 */ 2189SLresult android_audioPlayer_bufferQueue_onClear(CAudioPlayer *ap) { 2190 SLresult result = SL_RESULT_SUCCESS; 2191 2192 switch (ap->mAndroidObjType) { 2193 //----------------------------------- 2194 // AudioTrack 2195 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2196 if (ap->mAudioTrack != 0) { 2197 ap->mAudioTrack->flush(); 2198 } 2199 break; 2200 default: 2201 result = SL_RESULT_INTERNAL_ERROR; 2202 break; 2203 } 2204 2205 return result; 2206} 2207 2208 2209//----------------------------------------------------------------------------- 2210void android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer *ap) { 2211 switch (ap->mAndroidObjType) { 2212 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2213 if (ap->mAPlayer != 0) { 2214 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2215 splr->appClear_l(); 2216 } break; 2217 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2218 // nothing to do here, fall through 2219 default: 2220 break; 2221 } 2222} 2223 2224void android_audioPlayer_androidBufferQueue_onRefilled_l(CAudioPlayer *ap) { 2225 switch (ap->mAndroidObjType) { 2226 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2227 if (ap->mAPlayer != 0) { 2228 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2229 splr->queueRefilled(); 2230 } break; 2231 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2232 // FIXME this may require waking up the decoder if it is currently starved and isn't polling 2233 default: 2234 break; 2235 } 2236} 2237