wilhelm/src/android/AudioPlayer_to_android.cpp

   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 <system/audio.h>
  25
  26 template class android::KeyedVector<SLuint32, android::AudioEffect* > ;
  27
  28 #define KEY_STREAM_TYPE_PARAMSIZE  sizeof(SLint32)
  29
  30 #define AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE  500
  31 #define AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE 2000
  32
  33 //-----------------------------------------------------------------------------
  34 // FIXME this method will be absorbed into android_audioPlayer_setPlayState() once
  35 //       bufferqueue and uri/fd playback are moved under the GenericPlayer C++ object
  36 SLresult aplayer_setPlayState(const android::sp<android::GenericPlayer> &ap, SLuint32 playState,
  37         AndroidObjectState* pObjState) {
  38     SLresult result = SL_RESULT_SUCCESS;
  39     AndroidObjectState objState = *pObjState;
  40
  41     switch (playState) {
  42      case SL_PLAYSTATE_STOPPED:
  43          SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_STOPPED");
  44          ap->stop();
  45          break;
  46      case SL_PLAYSTATE_PAUSED:
  47          SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PAUSED");
  48          switch(objState) {
  49          case ANDROID_UNINITIALIZED:
  50              *pObjState = ANDROID_PREPARING;
  51              ap->prepare();
  52              break;
  53          case ANDROID_PREPARING:
  54              break;
  55          case ANDROID_READY:
  56              ap->pause();
  57              break;
  58          default:
  59              SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState);
  60              result = SL_RESULT_INTERNAL_ERROR;
  61              break;
  62          }
  63          break;
  64      case SL_PLAYSTATE_PLAYING: {
  65          SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PLAYING");
  66          switch(objState) {
  67          case ANDROID_UNINITIALIZED:
  68              *pObjState = ANDROID_PREPARING;
  69              ap->prepare();
  70              // intended fall through
  71          case ANDROID_PREPARING:
  72              // intended fall through
  73          case ANDROID_READY:
  74              ap->play();
  75              break;
  76          default:
  77              SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState);
  78              result = SL_RESULT_INTERNAL_ERROR;
  79              break;
  80          }
  81          }
  82          break;
  83      default:
  84          // checked by caller, should not happen
  85          SL_LOGE(ERROR_SHOULDNT_BE_HERE_S, "aplayer_setPlayState");
  86          result = SL_RESULT_INTERNAL_ERROR;
  87          break;
  88      }
  89
  90     return result;
  91 }
  92
  93
  94 //-----------------------------------------------------------------------------
  95 // Callback associated with a AudioToCbRenderer of an SL ES AudioPlayer that gets its data
  96 // from a URI or FD, to write the decoded audio data to a buffer queue
  97 static size_t adecoder_writeToBufferQueue(const uint8_t *data, size_t size, void* user) {
  98     size_t sizeConsumed = 0;
  99     if (NULL == user) {
 100         return sizeConsumed;
 101     }
 102     SL_LOGD("received %d bytes from decoder", size);
 103     CAudioPlayer *ap = (CAudioPlayer *)user;
 104     slBufferQueueCallback callback = NULL;
 105     void * callbackPContext = NULL;
 106
 107     // push decoded data to the buffer queue
 108     object_lock_exclusive(&ap->mObject);
 109
 110     if (ap->mBufferQueue.mState.count != 0) {
 111         assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear);
 112
 113         BufferHeader *oldFront = ap->mBufferQueue.mFront;
 114         BufferHeader *newFront = &oldFront[1];
 115
 116         uint8_t *pDest = (uint8_t *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed;
 117         if (ap->mBufferQueue.mSizeConsumed + size < oldFront->mSize) {
 118             // room to consume the whole or rest of the decoded data in one shot
 119             ap->mBufferQueue.mSizeConsumed += size;
 120             // consume data but no callback to the BufferQueue interface here
 121             memcpy (pDest, data, size);
 122             sizeConsumed = size;
 123         } else {
 124             // push as much as possible of the decoded data into the buffer queue
 125             sizeConsumed = oldFront->mSize - ap->mBufferQueue.mSizeConsumed;
 126
 127             // the buffer at the head of the buffer queue is full, update the state
 128             ap->mBufferQueue.mSizeConsumed = 0;
 129             if (newFront ==  &ap->mBufferQueue.mArray[ap->mBufferQueue.mNumBuffers + 1]) {
 130                 newFront = ap->mBufferQueue.mArray;
 131             }
 132             ap->mBufferQueue.mFront = newFront;
 133
 134             ap->mBufferQueue.mState.count--;
 135             ap->mBufferQueue.mState.playIndex++;
 136             // consume data
 137             memcpy (pDest, data, sizeConsumed);
 138             // data has been copied to the buffer, and the buffer queue state has been updated
 139             // we will notify the client if applicable
 140             callback = ap->mBufferQueue.mCallback;
 141             // save callback data
 142             callbackPContext = ap->mBufferQueue.mContext;
 143         }
 144
 145     } else {
 146         // no available buffers in the queue to write the decoded data
 147         sizeConsumed = 0;
 148     }
 149
 150     object_unlock_exclusive(&ap->mObject);
 151     // notify client
 152     if (NULL != callback) {
 153         (*callback)(&ap->mBufferQueue.mItf, callbackPContext);
 154     }
 155
 156     return sizeConsumed;
 157 }
 158
 159 //-----------------------------------------------------------------------------
 160 int android_getMinFrameCount(uint32_t sampleRate) {
 161     int afSampleRate;
 162     if (android::AudioSystem::getOutputSamplingRate(&afSampleRate,
 163             ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) {
 164         return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE;
 165     }
 166     int afFrameCount;
 167     if (android::AudioSystem::getOutputFrameCount(&afFrameCount,
 168             ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) {
 169         return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE;
 170     }
 171     uint32_t afLatency;
 172     if (android::AudioSystem::getOutputLatency(&afLatency,
 173             ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) {
 174         return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE;
 175     }
 176     // minimum nb of buffers to cover output latency, given the size of each hardware audio buffer
 177     uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate);
 178     if (minBufCount < 2) minBufCount = 2;
 179     // minimum number of frames to cover output latency at the sample rate of the content
 180     return (afFrameCount*sampleRate*minBufCount)/afSampleRate;
 181 }
 182
 183
 184 //-----------------------------------------------------------------------------
 185 #define LEFT_CHANNEL_MASK  0x1 << 0
 186 #define RIGHT_CHANNEL_MASK 0x1 << 1
 187
 188 void android_audioPlayer_volumeUpdate(CAudioPlayer* ap)
 189 {
 190     assert(ap != NULL);
 191
 192     // the source's channel count, where zero means unknown
 193     SLuint8 channelCount = ap->mNumChannels;
 194
 195     // whether each channel is audible
 196     bool leftAudibilityFactor, rightAudibilityFactor;
 197
 198     // mute has priority over solo
 199     if (channelCount >= STEREO_CHANNELS) {
 200         if (ap->mMuteMask & LEFT_CHANNEL_MASK) {
 201             // left muted
 202             leftAudibilityFactor = false;
 203         } else {
 204             // left not muted
 205             if (ap->mSoloMask & LEFT_CHANNEL_MASK) {
 206                 // left soloed
 207                 leftAudibilityFactor = true;
 208             } else {
 209                 // left not soloed
 210                 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) {
 211                     // right solo silences left
 212                     leftAudibilityFactor = false;
 213                 } else {
 214                     // left and right are not soloed, and left is not muted
 215                     leftAudibilityFactor = true;
 216                 }
 217             }
 218         }
 219
 220         if (ap->mMuteMask & RIGHT_CHANNEL_MASK) {
 221             // right muted
 222             rightAudibilityFactor = false;
 223         } else {
 224             // right not muted
 225             if (ap->mSoloMask & RIGHT_CHANNEL_MASK) {
 226                 // right soloed
 227                 rightAudibilityFactor = true;
 228             } else {
 229                 // right not soloed
 230                 if (ap->mSoloMask & LEFT_CHANNEL_MASK) {
 231                     // left solo silences right
 232                     rightAudibilityFactor = false;
 233                 } else {
 234                     // left and right are not soloed, and right is not muted
 235                     rightAudibilityFactor = true;
 236                 }
 237             }
 238         }
 239
 240     // channel mute and solo are ignored for mono and unknown channel count sources
 241     } else {
 242         leftAudibilityFactor = true;
 243         rightAudibilityFactor = true;
 244     }
 245
 246     // compute volumes without setting
 247     const bool audibilityFactors[2] = {leftAudibilityFactor, rightAudibilityFactor};
 248     float volumes[2];
 249     android_player_volumeUpdate(volumes, &ap->mVolume, channelCount, ap->mAmplFromDirectLevel,
 250             audibilityFactors);
 251     float leftVol = volumes[0], rightVol = volumes[1];
 252
 253     // set volume on the underlying media player or audio track
 254     if (ap->mAPlayer != 0) {
 255         ap->mAPlayer->setVolume(leftVol, rightVol);
 256     } else if (ap->mAudioTrack != 0) {
 257         ap->mAudioTrack->setVolume(leftVol, rightVol);
 258     }
 259
 260     // changes in the AudioPlayer volume must be reflected in the send level:
 261     //  in SLEffectSendItf or in SLAndroidEffectSendItf?
 262     // FIXME replace interface test by an internal API once we have one.
 263     if (NULL != ap->mEffectSend.mItf) {
 264         for (unsigned int i=0 ; i<AUX_MAX ; i++) {
 265             if (ap->mEffectSend.mEnableLevels[i].mEnable) {
 266                 android_fxSend_setSendLevel(ap,
 267                         ap->mEffectSend.mEnableLevels[i].mSendLevel + ap->mVolume.mLevel);
 268                 // there's a single aux bus on Android, so we can stop looking once the first
 269                 // aux effect is found.
 270                 break;
 271             }
 272         }
 273     } else if (NULL != ap->mAndroidEffectSend.mItf) {
 274         android_fxSend_setSendLevel(ap, ap->mAndroidEffectSend.mSendLevel + ap->mVolume.mLevel);
 275     }
 276 }
 277
 278 // Called by android_audioPlayer_volumeUpdate and android_mediaPlayer_volumeUpdate to compute
 279 // volumes, but setting volumes is handled by the caller.
 280
 281 void android_player_volumeUpdate(float *pVolumes /*[2]*/, const IVolume *volumeItf, unsigned
 282 channelCount, float amplFromDirectLevel, const bool *audibilityFactors /*[2]*/)
 283 {
 284     assert(pVolumes != NULL);
 285     assert(volumeItf != NULL);
 286     // OK for audibilityFactors to be NULL
 287
 288     bool leftAudibilityFactor, rightAudibilityFactor;
 289
 290     // apply player mute factor
 291     // note that AudioTrack has mute() but not MediaPlayer, so it's easier to use volume
 292     // to mute for both rather than calling mute() for AudioTrack
 293
 294     // player is muted
 295     if (volumeItf->mMute) {
 296         leftAudibilityFactor = false;
 297         rightAudibilityFactor = false;
 298     // player isn't muted, and channel mute/solo audibility factors are available (AudioPlayer)
 299     } else if (audibilityFactors != NULL) {
 300         leftAudibilityFactor = audibilityFactors[0];
 301         rightAudibilityFactor = audibilityFactors[1];
 302     // player isn't muted, and channel mute/solo audibility factors aren't available (MediaPlayer)
 303     } else {
 304         leftAudibilityFactor = true;
 305         rightAudibilityFactor = true;
 306     }
 307
 308     // compute amplification as the combination of volume level and stereo position
 309     //   amplification (or attenuation) from volume level
 310     float amplFromVolLevel = sles_to_android_amplification(volumeItf->mLevel);
 311     //   amplification from direct level (changed in SLEffectSendtItf and SLAndroidEffectSendItf)
 312     float leftVol  = amplFromVolLevel * amplFromDirectLevel;
 313     float rightVol = leftVol;
 314
 315     // amplification from stereo position
 316     if (volumeItf->mEnableStereoPosition) {
 317         // Left/right amplification (can be attenuations) factors derived for the StereoPosition
 318         float amplFromStereoPos[STEREO_CHANNELS];
 319         // panning law depends on content channel count: mono to stereo panning vs stereo balance
 320         if (1 == channelCount) {
 321             // mono to stereo panning
 322             double theta = (1000+volumeItf->mStereoPosition)*M_PI_4/1000.0f; // 0 <= theta <= Pi/2
 323             amplFromStereoPos[0] = cos(theta);
 324             amplFromStereoPos[1] = sin(theta);
 325         // channel count is 0 (unknown), 2 (stereo), or > 2 (multi-channel)
 326         } else {
 327             // stereo balance
 328             if (volumeItf->mStereoPosition > 0) {
 329                 amplFromStereoPos[0] = (1000-volumeItf->mStereoPosition)/1000.0f;
 330                 amplFromStereoPos[1] = 1.0f;
 331             } else {
 332                 amplFromStereoPos[0] = 1.0f;
 333                 amplFromStereoPos[1] = (1000+volumeItf->mStereoPosition)/1000.0f;
 334             }
 335         }
 336         leftVol  *= amplFromStereoPos[0];
 337         rightVol *= amplFromStereoPos[1];
 338     }
 339
 340     // apply audibility factors
 341     if (!leftAudibilityFactor) {
 342         leftVol = 0.0;
 343     }
 344     if (!rightAudibilityFactor) {
 345         rightVol = 0.0;
 346     }
 347
 348     // return the computed volumes
 349     pVolumes[0] = leftVol;
 350     pVolumes[1] = rightVol;
 351 }
 352
 353 //-----------------------------------------------------------------------------
 354 void audioTrack_handleMarker_lockPlay(CAudioPlayer* ap) {
 355     //SL_LOGV("received event EVENT_MARKER 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_HEADATMARKER was set in the event mask
 366         (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATMARKER);
 367     }
 368 }
 369
 370 //-----------------------------------------------------------------------------
 371 void audioTrack_handleNewPos_lockPlay(CAudioPlayer* ap) {
 372     //SL_LOGV("received event EVENT_NEW_POS from AudioTrack");
 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     interface_unlock_shared(&ap->mPlay);
 380
 381     if (NULL != callback) {
 382         // getting this event implies SL_PLAYEVENT_HEADATNEWPOS was set in the event mask
 383         (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATNEWPOS);
 384     }
 385 }
 386
 387
 388 //-----------------------------------------------------------------------------
 389 void audioTrack_handleUnderrun_lockPlay(CAudioPlayer* ap) {
 390     slPlayCallback callback = NULL;
 391     void* callbackPContext = NULL;
 392
 393     interface_lock_shared(&ap->mPlay);
 394     callback = ap->mPlay.mCallback;
 395     callbackPContext = ap->mPlay.mContext;
 396     bool headStalled = (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADSTALLED) != 0;
 397     interface_unlock_shared(&ap->mPlay);
 398
 399     if ((NULL != callback) && headStalled) {
 400         (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADSTALLED);
 401     }
 402 }
 403
 404
 405 //-----------------------------------------------------------------------------
 406 /**
 407  * post-condition: play state of AudioPlayer is SL_PLAYSTATE_PAUSED if setPlayStateToPaused is true
 408  *
 409  * note: a conditional flag, setPlayStateToPaused, is used here to specify whether the play state
 410  *       needs to be changed when the player reaches the end of the content to play. This is
 411  *       relative to what the specification describes for buffer queues vs the
 412  *       SL_PLAYEVENT_HEADATEND event. In the OpenSL ES specification 1.0.1:
 413  *        - section 8.12 SLBufferQueueItf states "In the case of starvation due to insufficient
 414  *          buffers in the queue, the playing of audio data stops. The player remains in the
 415  *          SL_PLAYSTATE_PLAYING state."
 416  *        - section 9.2.31 SL_PLAYEVENT states "SL_PLAYEVENT_HEADATEND Playback head is at the end
 417  *          of the current content and the player has paused."
 418  */
 419 void audioPlayer_dispatch_headAtEnd_lockPlay(CAudioPlayer *ap, bool setPlayStateToPaused,
 420         bool needToLock) {
 421     //SL_LOGV("ap=%p, setPlayStateToPaused=%d, needToLock=%d", ap, setPlayStateToPaused,
 422     //        needToLock);
 423     slPlayCallback playCallback = NULL;
 424     void * playContext = NULL;
 425     // SLPlayItf callback or no callback?
 426     if (needToLock) {
 427         interface_lock_exclusive(&ap->mPlay);
 428     }
 429     if (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADATEND) {
 430         playCallback = ap->mPlay.mCallback;
 431         playContext = ap->mPlay.mContext;
 432     }
 433     if (setPlayStateToPaused) {
 434         ap->mPlay.mState = SL_PLAYSTATE_PAUSED;
 435     }
 436     if (needToLock) {
 437         interface_unlock_exclusive(&ap->mPlay);
 438     }
 439     // enqueue callback with no lock held
 440     if (NULL != playCallback) {
 441         SLresult result = EnqueueAsyncCallback_ppi(ap, playCallback, &ap->mPlay.mItf, playContext,
 442                 SL_PLAYEVENT_HEADATEND);
 443         if (SL_RESULT_SUCCESS != result) {
 444             LOGW("Callback %p(%p, %p, SL_PLAYEVENT_HEADATEND) dropped", playCallback,
 445                     &ap->mPlay.mItf, playContext);
 446         }
 447     }
 448
 449 }
 450
 451
 452 //-----------------------------------------------------------------------------
 453 /**
 454  * pre-condition: AudioPlayer has SLPrefetchStatusItf initialized
 455  * post-condition:
 456  *  - ap->mPrefetchStatus.mStatus == status
 457  *  - the prefetch status callback, if any, has been notified if a change occurred
 458  *
 459  */
 460 void audioPlayer_dispatch_prefetchStatus_lockPrefetch(CAudioPlayer *ap, SLuint32 status,
 461         bool needToLock) {
 462     slPrefetchCallback prefetchCallback = NULL;
 463     void * prefetchContext = NULL;
 464
 465     if (needToLock) {
 466         interface_lock_exclusive(&ap->mPrefetchStatus);
 467     }
 468     // status change?
 469     if (ap->mPrefetchStatus.mStatus != status) {
 470         ap->mPrefetchStatus.mStatus = status;
 471         // callback or no callback?
 472         if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) {
 473             prefetchCallback = ap->mPrefetchStatus.mCallback;
 474             prefetchContext  = ap->mPrefetchStatus.mContext;
 475         }
 476     }
 477     if (needToLock) {
 478         interface_unlock_exclusive(&ap->mPrefetchStatus);
 479     }
 480
 481     // callback with no lock held
 482     if (NULL != prefetchCallback) {
 483         (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, status);
 484     }
 485 }
 486
 487
 488 //-----------------------------------------------------------------------------
 489 SLresult audioPlayer_setStreamType(CAudioPlayer* ap, SLint32 type) {
 490     SLresult result = SL_RESULT_SUCCESS;
 491     SL_LOGV("type %d", type);
 492
 493     int newStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE;
 494     switch(type) {
 495     case SL_ANDROID_STREAM_VOICE:
 496         newStreamType = AUDIO_STREAM_VOICE_CALL;
 497         break;
 498     case SL_ANDROID_STREAM_SYSTEM:
 499         newStreamType = AUDIO_STREAM_SYSTEM;
 500         break;
 501     case SL_ANDROID_STREAM_RING:
 502         newStreamType = AUDIO_STREAM_RING;
 503         break;
 504     case SL_ANDROID_STREAM_MEDIA:
 505         newStreamType = AUDIO_STREAM_MUSIC;
 506         break;
 507     case SL_ANDROID_STREAM_ALARM:
 508         newStreamType = AUDIO_STREAM_ALARM;
 509         break;
 510     case SL_ANDROID_STREAM_NOTIFICATION:
 511         newStreamType = AUDIO_STREAM_NOTIFICATION;
 512         break;
 513     default:
 514         SL_LOGE(ERROR_PLAYERSTREAMTYPE_SET_UNKNOWN_TYPE);
 515         result = SL_RESULT_PARAMETER_INVALID;
 516         break;
 517     }
 518
 519     // stream type needs to be set before the object is realized
 520     // (ap->mAudioTrack is supposed to be NULL until then)
 521     if (SL_OBJECT_STATE_UNREALIZED != ap->mObject.mState) {
 522         SL_LOGE(ERROR_PLAYERSTREAMTYPE_REALIZED);
 523         result = SL_RESULT_PRECONDITIONS_VIOLATED;
 524     } else {
 525         ap->mStreamType = newStreamType;
 526     }
 527
 528     return result;
 529 }
 530
 531
 532 //-----------------------------------------------------------------------------
 533 SLresult audioPlayer_getStreamType(CAudioPlayer* ap, SLint32 *pType) {
 534     SLresult result = SL_RESULT_SUCCESS;
 535
 536     switch(ap->mStreamType) {
 537     case AUDIO_STREAM_VOICE_CALL:
 538         *pType = SL_ANDROID_STREAM_VOICE;
 539         break;
 540     case AUDIO_STREAM_SYSTEM:
 541         *pType = SL_ANDROID_STREAM_SYSTEM;
 542         break;
 543     case AUDIO_STREAM_RING:
 544         *pType = SL_ANDROID_STREAM_RING;
 545         break;
 546     case AUDIO_STREAM_DEFAULT:
 547     case AUDIO_STREAM_MUSIC:
 548         *pType = SL_ANDROID_STREAM_MEDIA;
 549         break;
 550     case AUDIO_STREAM_ALARM:
 551         *pType = SL_ANDROID_STREAM_ALARM;
 552         break;
 553     case AUDIO_STREAM_NOTIFICATION:
 554         *pType = SL_ANDROID_STREAM_NOTIFICATION;
 555         break;
 556     default:
 557         result = SL_RESULT_INTERNAL_ERROR;
 558         *pType = SL_ANDROID_STREAM_MEDIA;
 559         break;
 560     }
 561
 562     return result;
 563 }
 564
 565
 566 //-----------------------------------------------------------------------------
 567 void audioPlayer_auxEffectUpdate(CAudioPlayer* ap) {
 568     if ((ap->mAudioTrack != 0) && (ap->mAuxEffect != 0)) {
 569         android_fxSend_attach(ap, true, ap->mAuxEffect, ap->mVolume.mLevel + ap->mAuxSendLevel);
 570     }
 571 }
 572
 573
 574 //-----------------------------------------------------------------------------
 575 void audioPlayer_setInvalid(CAudioPlayer* ap) {
 576     ap->mAndroidObjType = INVALID_TYPE;
 577     ap->mpLock = NULL;
 578 }
 579
 580
 581 //-----------------------------------------------------------------------------
 582 /*
 583  * returns true if the given data sink is supported by AudioPlayer that doesn't
 584  *   play to an OutputMix object, false otherwise
 585  *
 586  * pre-condition: the locator of the audio sink is not SL_DATALOCATOR_OUTPUTMIX
 587  */
 588 bool audioPlayer_isSupportedNonOutputMixSink(const SLDataSink* pAudioSink) {
 589     bool result = true;
 590     const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSink->pLocator;
 591     const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSink->pFormat;
 592
 593     switch (sinkLocatorType) {
 594
 595     case SL_DATALOCATOR_BUFFERQUEUE:
 596     case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
 597         if (SL_DATAFORMAT_PCM != sinkFormatType) {
 598             SL_LOGE("Unsupported sink format 0x%x, expected SL_DATAFORMAT_PCM",
 599                     (unsigned)sinkFormatType);
 600             result = false;
 601         }
 602         // it's no use checking the PCM format fields because additional characteristics
 603         // such as the number of channels, or sample size are unknown to the player at this stage
 604         break;
 605
 606     default:
 607         SL_LOGE("Unsupported sink locator type 0x%x", (unsigned)sinkLocatorType);
 608         result = false;
 609         break;
 610     }
 611
 612     return result;
 613 }
 614
 615
 616 //-----------------------------------------------------------------------------
 617 /*
 618  * returns the Android object type if the locator type combinations for the source and sinks
 619  *   are supported by this implementation, INVALID_TYPE otherwise
 620  */
 621 AndroidObjectType audioPlayer_getAndroidObjectTypeForSourceSink(CAudioPlayer *ap) {
 622
 623     const SLDataSource *pAudioSrc = &ap->mDataSource.u.mSource;
 624     const SLDataSink *pAudioSnk = &ap->mDataSink.u.mSink;
 625     const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator;
 626     const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator;
 627     AndroidObjectType type = INVALID_TYPE;
 628
 629     //--------------------------------------
 630     // Sink / source matching check:
 631     // the following source / sink combinations are supported
 632     //     SL_DATALOCATOR_BUFFERQUEUE                / SL_DATALOCATOR_OUTPUTMIX
 633     //     SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE   / SL_DATALOCATOR_OUTPUTMIX
 634     //     SL_DATALOCATOR_URI                        / SL_DATALOCATOR_OUTPUTMIX
 635     //     SL_DATALOCATOR_ANDROIDFD                  / SL_DATALOCATOR_OUTPUTMIX
 636     //     SL_DATALOCATOR_ANDROIDBUFFERQUEUE         / SL_DATALOCATOR_OUTPUTMIX
 637     //     SL_DATALOCATOR_ANDROIDBUFFERQUEUE         / SL_DATALOCATOR_BUFFERQUEUE
 638     //     SL_DATALOCATOR_URI                        / SL_DATALOCATOR_BUFFERQUEUE
 639     //     SL_DATALOCATOR_ANDROIDFD                  / SL_DATALOCATOR_BUFFERQUEUE
 640     //     SL_DATALOCATOR_URI                        / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
 641     //     SL_DATALOCATOR_ANDROIDFD                  / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
 642     switch (sinkLocatorType) {
 643
 644     case SL_DATALOCATOR_OUTPUTMIX: {
 645         switch (sourceLocatorType) {
 646
 647         //   Buffer Queue to AudioTrack
 648         case SL_DATALOCATOR_BUFFERQUEUE:
 649         case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
 650             type = AUDIOPLAYER_FROM_PCM_BUFFERQUEUE;
 651             break;
 652
 653         //   URI or FD to MediaPlayer
 654         case SL_DATALOCATOR_URI:
 655         case SL_DATALOCATOR_ANDROIDFD:
 656             type = AUDIOPLAYER_FROM_URIFD;
 657             break;
 658
 659         //   Android BufferQueue to MediaPlayer (shared memory streaming)
 660         case SL_DATALOCATOR_ANDROIDBUFFERQUEUE:
 661             type = AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE;
 662             break;
 663
 664         default:
 665             SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_OUTPUTMIX sink",
 666                     (unsigned)sourceLocatorType);
 667             break;
 668         }
 669         }
 670         break;
 671
 672     case SL_DATALOCATOR_BUFFERQUEUE:
 673     case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
 674         switch (sourceLocatorType) {
 675
 676         //   URI or FD decoded to PCM in a buffer queue
 677         case SL_DATALOCATOR_URI:
 678         case SL_DATALOCATOR_ANDROIDFD:
 679             type = AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE;
 680             break;
 681
 682         //   AAC ADTS Android buffer queue decoded to PCM in a buffer queue
 683         case SL_DATALOCATOR_ANDROIDBUFFERQUEUE:
 684             type = AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE;
 685             break;
 686
 687         default:
 688             SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_BUFFERQUEUE sink",
 689                     (unsigned)sourceLocatorType);
 690             break;
 691         }
 692         break;
 693
 694     default:
 695         SL_LOGE("Sink data locator 0x%x not supported", (unsigned)sinkLocatorType);
 696         break;
 697     }
 698
 699     return type;
 700 }
 701
 702
 703 //-----------------------------------------------------------------------------
 704 /*
 705  * Callback associated with an SfPlayer of an SL ES AudioPlayer that gets its data
 706  * from a URI or FD, for prepare, prefetch, and play events
 707  */
 708 static void sfplayer_handlePrefetchEvent(int event, int data1, int data2, void* user) {
 709     if (NULL == user) {
 710         return;
 711     }
 712
 713     CAudioPlayer *ap = (CAudioPlayer *)user;
 714     if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) {
 715         // it is not safe to enter the callback (the track is about to go away)
 716         return;
 717     }
 718     union {
 719         char c[sizeof(int)];
 720         int i;
 721     } u;
 722     u.i = event;
 723     SL_LOGV("sfplayer_handlePrefetchEvent(event='%c%c%c%c' (%d), data1=%d, data2=%d, user=%p) from "
 724             "SfAudioPlayer", u.c[3], u.c[2], u.c[1], u.c[0], event, data1, data2, user);
 725     switch(event) {
 726
 727     case android::GenericPlayer::kEventPrepared: {
 728
 729         if (PLAYER_SUCCESS != data1) {
 730             object_lock_exclusive(&ap->mObject);
 731
 732             // already initialized at object creation, and can only prepare once so never reset
 733             assert(ap->mAudioTrack == 0);
 734             assert(ap->mNumChannels == UNKNOWN_NUMCHANNELS);
 735             assert(ap->mSampleRateMilliHz == UNKNOWN_SAMPLERATE);
 736             assert(ap->mAndroidObjState == ANDROID_PREPARING);
 737             ap->mAndroidObjState = ANDROID_READY;
 738
 739             object_unlock_exclusive(&ap->mObject);
 740
 741             // SfPlayer prepare() failed prefetching, there is no event in SLPrefetchStatus to
 742             //  indicate a prefetch error, so we signal it by sending simulataneously two events:
 743             //  - SL_PREFETCHEVENT_FILLLEVELCHANGE with a level of 0
 744             //  - SL_PREFETCHEVENT_STATUSCHANGE with a status of SL_PREFETCHSTATUS_UNDERFLOW
 745             SL_LOGE(ERROR_PLAYER_PREFETCH_d, data1);
 746             if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
 747                 break;
 748             }
 749
 750             slPrefetchCallback callback = NULL;
 751             void* callbackPContext = NULL;
 752
 753             interface_lock_exclusive(&ap->mPrefetchStatus);
 754             ap->mPrefetchStatus.mLevel = 0;
 755             ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW;
 756             if ((ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE)
 757                     && (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE)) {
 758                 callback = ap->mPrefetchStatus.mCallback;
 759                 callbackPContext = ap->mPrefetchStatus.mContext;
 760             }
 761             interface_unlock_exclusive(&ap->mPrefetchStatus);
 762
 763             // callback with no lock held
 764             if (NULL != callback) {
 765                 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext,
 766                         SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE);
 767             }
 768
 769
 770         } else {
 771
 772             object_lock_exclusive(&ap->mObject);
 773
 774             if (AUDIOPLAYER_FROM_URIFD == ap->mAndroidObjType) {
 775                 //**************************************
 776                 // FIXME move under GenericMediaPlayer
 777 #if 0
 778                 ap->mAudioTrack = ap->mSfPlayer->getAudioTrack();
 779                 ap->mNumChannels = ap->mSfPlayer->getNumChannels();
 780                 ap->mSampleRateMilliHz =
 781                         android_to_sles_sampleRate(ap->mSfPlayer->getSampleRateHz());
 782                 ap->mSfPlayer->startPrefetch_async();
 783                 // update the new track with the current settings
 784                 audioPlayer_auxEffectUpdate(ap);
 785                 android_audioPlayer_useEventMask(ap);
 786                 android_audioPlayer_volumeUpdate(ap);
 787                 android_audioPlayer_setPlayRate(ap, ap->mPlaybackRate.mRate, false /*lockAP*/);
 788 #endif
 789             } else if (AUDIOPLAYER_FROM_PCM_BUFFERQUEUE == ap->mAndroidObjType) {
 790                 if (ap->mAPlayer != 0) {
 791                     ((android::AudioToCbRenderer*)ap->mAPlayer.get())->startPrefetch_async();
 792                 }
 793             } else if (AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE == ap->mAndroidObjType) {
 794                 SL_LOGD("Received SfPlayer::kEventPrepared from AVPlayer for CAudioPlayer %p", ap);
 795             }
 796
 797             ap->mAndroidObjState = ANDROID_READY;
 798
 799             object_unlock_exclusive(&ap->mObject);
 800         }
 801
 802     }
 803     break;
 804
 805     case android::GenericPlayer::kEventPrefetchFillLevelUpdate : {
 806         if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
 807             break;
 808         }
 809         slPrefetchCallback callback = NULL;
 810         void* callbackPContext = NULL;
 811
 812         // SLPrefetchStatusItf callback or no callback?
 813         interface_lock_exclusive(&ap->mPrefetchStatus);
 814         if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE) {
 815             callback = ap->mPrefetchStatus.mCallback;
 816             callbackPContext = ap->mPrefetchStatus.mContext;
 817         }
 818         ap->mPrefetchStatus.mLevel = (SLpermille)data1;
 819         interface_unlock_exclusive(&ap->mPrefetchStatus);
 820
 821         // callback with no lock held
 822         if (NULL != callback) {
 823             (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext,
 824                     SL_PREFETCHEVENT_FILLLEVELCHANGE);
 825         }
 826     }
 827     break;
 828
 829     case android::GenericPlayer::kEventPrefetchStatusChange: {
 830         if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
 831             break;
 832         }
 833         slPrefetchCallback callback = NULL;
 834         void* callbackPContext = NULL;
 835
 836         // SLPrefetchStatusItf callback or no callback?
 837         object_lock_exclusive(&ap->mObject);
 838         if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) {
 839             callback = ap->mPrefetchStatus.mCallback;
 840             callbackPContext = ap->mPrefetchStatus.mContext;
 841         }
 842         if (data1 >= android::kStatusIntermediate) {
 843             ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA;
 844             ap->mAndroidObjState = ANDROID_READY;
 845         } else if (data1 < android::kStatusIntermediate) {
 846             ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW;
 847         }
 848         object_unlock_exclusive(&ap->mObject);
 849
 850         // callback with no lock held
 851         if (NULL != callback) {
 852             (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, SL_PREFETCHEVENT_STATUSCHANGE);
 853         }
 854         }
 855         break;
 856
 857     case android::GenericPlayer::kEventEndOfStream: {
 858         audioPlayer_dispatch_headAtEnd_lockPlay(ap, true /*set state to paused?*/, true);
 859         if ((ap->mAudioTrack != 0) && (!ap->mSeek.mLoopEnabled)) {
 860             ap->mAudioTrack->stop();
 861         }
 862         }
 863         break;
 864
 865     case android::GenericPlayer::kEventChannelCount: {
 866         object_lock_exclusive(&ap->mObject);
 867         if (UNKNOWN_NUMCHANNELS == ap->mNumChannels && UNKNOWN_NUMCHANNELS != data1) {
 868             ap->mNumChannels = data1;
 869             android_audioPlayer_volumeUpdate(ap);
 870         }
 871         object_unlock_exclusive(&ap->mObject);
 872         }
 873         break;
 874
 875     case android::GenericPlayer::kEventPlay: {
 876         slPlayCallback callback = NULL;
 877         void* callbackPContext = NULL;
 878
 879         interface_lock_shared(&ap->mPlay);
 880         callback = ap->mPlay.mCallback;
 881         callbackPContext = ap->mPlay.mContext;
 882         interface_unlock_shared(&ap->mPlay);
 883
 884         if (NULL != callback) {
 885             SLuint32 event = (SLuint32) data1;  // SL_PLAYEVENT_HEAD*
 886 #ifndef USE_ASYNCHRONOUS_PLAY_CALLBACK
 887             // synchronous callback requires a synchronous GetPosition implementation
 888             (*callback)(&ap->mPlay.mItf, callbackPContext, event);
 889 #else
 890             // asynchronous callback works with any GetPosition implementation
 891             SLresult result = EnqueueAsyncCallback_ppi(ap, callback, &ap->mPlay.mItf,
 892                     callbackPContext, event);
 893             if (SL_RESULT_SUCCESS != result) {
 894                 LOGW("Callback %p(%p, %p, 0x%x) dropped", callback,
 895                         &ap->mPlay.mItf, callbackPContext, event);
 896             }
 897 #endif
 898         }
 899         }
 900         break;
 901
 902     default:
 903         break;
 904     }
 905
 906     ap->mCallbackProtector->exitCb();
 907 }
 908
 909
 910 //-----------------------------------------------------------------------------
 911 SLresult android_audioPlayer_checkSourceSink(CAudioPlayer *pAudioPlayer)
 912 {
 913     // verify that the locator types for the source / sink combination is supported
 914     pAudioPlayer->mAndroidObjType = audioPlayer_getAndroidObjectTypeForSourceSink(pAudioPlayer);
 915     if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) {
 916         return SL_RESULT_PARAMETER_INVALID;
 917     }
 918
 919     const SLDataSource *pAudioSrc = &pAudioPlayer->mDataSource.u.mSource;
 920     const SLDataSink *pAudioSnk = &pAudioPlayer->mDataSink.u.mSink;
 921
 922     // format check:
 923     const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator;
 924     const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator;
 925     const SLuint32 sourceFormatType = *(SLuint32 *)pAudioSrc->pFormat;
 926     const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSnk->pFormat;
 927
 928     switch (sourceLocatorType) {
 929     //------------------
 930     //   Buffer Queues
 931     case SL_DATALOCATOR_BUFFERQUEUE:
 932     case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
 933         {
 934         SLDataLocator_BufferQueue *dl_bq =  (SLDataLocator_BufferQueue *) pAudioSrc->pLocator;
 935
 936         // Buffer format
 937         switch (sourceFormatType) {
 938         //     currently only PCM buffer queues are supported,
 939         case SL_DATAFORMAT_PCM: {
 940             SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) pAudioSrc->pFormat;
 941             switch (df_pcm->numChannels) {
 942             case 1:
 943             case 2:
 944                 break;
 945             default:
 946                 // this should have already been rejected by checkDataFormat
 947                 SL_LOGE("Cannot create audio player: unsupported " \
 948                     "PCM data source with %u channels", (unsigned) df_pcm->numChannels);
 949                 return SL_RESULT_CONTENT_UNSUPPORTED;
 950             }
 951             switch (df_pcm->samplesPerSec) {
 952             case SL_SAMPLINGRATE_8:
 953             case SL_SAMPLINGRATE_11_025:
 954             case SL_SAMPLINGRATE_12:
 955             case SL_SAMPLINGRATE_16:
 956             case SL_SAMPLINGRATE_22_05:
 957             case SL_SAMPLINGRATE_24:
 958             case SL_SAMPLINGRATE_32:
 959             case SL_SAMPLINGRATE_44_1:
 960             case SL_SAMPLINGRATE_48:
 961                 break;
 962             case SL_SAMPLINGRATE_64:
 963             case SL_SAMPLINGRATE_88_2:
 964             case SL_SAMPLINGRATE_96:
 965             case SL_SAMPLINGRATE_192:
 966             default:
 967                 SL_LOGE("Cannot create audio player: unsupported sample rate %u milliHz",
 968                     (unsigned) df_pcm->samplesPerSec);
 969                 return SL_RESULT_CONTENT_UNSUPPORTED;
 970             }
 971             switch (df_pcm->bitsPerSample) {
 972             case SL_PCMSAMPLEFORMAT_FIXED_8:
 973                 // FIXME We should support this
 974                 //SL_LOGE("Cannot create audio player: unsupported 8-bit data");
 975                 //return SL_RESULT_CONTENT_UNSUPPORTED;
 976             case SL_PCMSAMPLEFORMAT_FIXED_16:
 977                 break;
 978                 // others
 979             default:
 980                 // this should have already been rejected by checkDataFormat
 981                 SL_LOGE("Cannot create audio player: unsupported sample bit depth %u",
 982                         (SLuint32)df_pcm->bitsPerSample);
 983                 return SL_RESULT_CONTENT_UNSUPPORTED;
 984             }
 985             switch (df_pcm->containerSize) {
 986             case 8:
 987             case 16:
 988                 break;
 989                 // others
 990             default:
 991                 SL_LOGE("Cannot create audio player: unsupported container size %u",
 992                     (unsigned) df_pcm->containerSize);
 993                 return SL_RESULT_CONTENT_UNSUPPORTED;
 994             }
 995             switch (df_pcm->channelMask) {
 996                 // FIXME needs work
 997             default:
 998                 break;
 999             }
1000             switch (df_pcm->endianness) {
1001             case SL_BYTEORDER_LITTLEENDIAN:
1002                 break;
1003             case SL_BYTEORDER_BIGENDIAN:
1004                 SL_LOGE("Cannot create audio player: unsupported big-endian byte order");
1005                 return SL_RESULT_CONTENT_UNSUPPORTED;
1006                 // native is proposed but not yet in spec
1007             default:
1008                 SL_LOGE("Cannot create audio player: unsupported byte order %u",
1009                     (unsigned) df_pcm->endianness);
1010                 return SL_RESULT_CONTENT_UNSUPPORTED;
1011             }
1012             } //case SL_DATAFORMAT_PCM
1013             break;
1014         case SL_DATAFORMAT_MIME:
1015         case XA_DATAFORMAT_RAWIMAGE:
1016             SL_LOGE("Cannot create audio player with buffer queue data source "
1017                 "without SL_DATAFORMAT_PCM format");
1018             return SL_RESULT_CONTENT_UNSUPPORTED;
1019         default:
1020             // invalid data format is detected earlier
1021             assert(false);
1022             return SL_RESULT_INTERNAL_ERROR;
1023         } // switch (sourceFormatType)
1024         } // case SL_DATALOCATOR_BUFFERQUEUE or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
1025         break;
1026     //------------------
1027     //   URI
1028     case SL_DATALOCATOR_URI:
1029         {
1030         SLDataLocator_URI *dl_uri =  (SLDataLocator_URI *) pAudioSrc->pLocator;
1031         if (NULL == dl_uri->URI) {
1032             return SL_RESULT_PARAMETER_INVALID;
1033         }
1034         // URI format
1035         switch (sourceFormatType) {
1036         case SL_DATAFORMAT_MIME:
1037             break;
1038         case SL_DATAFORMAT_PCM:
1039         case XA_DATAFORMAT_RAWIMAGE:
1040             SL_LOGE("Cannot create audio player with SL_DATALOCATOR_URI data source without "
1041                 "SL_DATAFORMAT_MIME format");
1042             return SL_RESULT_CONTENT_UNSUPPORTED;
1043         } // switch (sourceFormatType)
1044         // decoding format check
1045         if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) &&
1046                 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) {
1047             return SL_RESULT_CONTENT_UNSUPPORTED;
1048         }
1049         } // case SL_DATALOCATOR_URI
1050         break;
1051     //------------------
1052     //   File Descriptor
1053     case SL_DATALOCATOR_ANDROIDFD:
1054         {
1055         // fd is already non null
1056         switch (sourceFormatType) {
1057         case SL_DATAFORMAT_MIME:
1058             break;
1059         case SL_DATAFORMAT_PCM:
1060             // FIXME implement
1061             SL_LOGD("[ FIXME implement PCM FD data sources ]");
1062             break;
1063         case XA_DATAFORMAT_RAWIMAGE:
1064             SL_LOGE("Cannot create audio player with SL_DATALOCATOR_ANDROIDFD data source "
1065                 "without SL_DATAFORMAT_MIME or SL_DATAFORMAT_PCM format");
1066             return SL_RESULT_CONTENT_UNSUPPORTED;
1067         default:
1068             // invalid data format is detected earlier
1069             assert(false);
1070             return SL_RESULT_INTERNAL_ERROR;
1071         } // switch (sourceFormatType)
1072         if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) &&
1073                 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) {
1074             return SL_RESULT_CONTENT_UNSUPPORTED;
1075         }
1076         } // case SL_DATALOCATOR_ANDROIDFD
1077         break;
1078     //------------------
1079     //   Stream
1080     case SL_DATALOCATOR_ANDROIDBUFFERQUEUE:
1081     {
1082         switch (sourceFormatType) {
1083         case SL_DATAFORMAT_MIME:
1084         {
1085             SLDataFormat_MIME *df_mime = (SLDataFormat_MIME *) pAudioSrc->pFormat;
1086             if (NULL == df_mime) {
1087                 SL_LOGE("MIME type null invalid");
1088                 return SL_RESULT_CONTENT_UNSUPPORTED;
1089             }
1090             SL_LOGD("source MIME is %s", (char*)df_mime->mimeType);
1091             switch(df_mime->containerType) {
1092             case SL_CONTAINERTYPE_MPEG_TS:
1093                 if (strcasecmp((char*)df_mime->mimeType, ANDROID_MIME_MP2TS)) {
1094                     SL_LOGE("Invalid MIME (%s) for container SL_CONTAINERTYPE_MPEG_TS, expects %s",
1095                             (char*)df_mime->mimeType, ANDROID_MIME_MP2TS);
1096                     return SL_RESULT_CONTENT_UNSUPPORTED;
1097                 }
1098                 break;
1099             case SL_CONTAINERTYPE_RAW:
1100             case SL_CONTAINERTYPE_AAC:
1101                 if (strcasecmp((char*)df_mime->mimeType, ANDROID_MIME_AACADTS) &&
1102                         strcasecmp((char*)df_mime->mimeType,
1103                                 ANDROID_MIME_AACADTS_ANDROID_FRAMEWORK)) {
1104                     SL_LOGE("Invalid MIME (%s) for container type %d, expects %s",
1105                             (char*)df_mime->mimeType, df_mime->containerType,
1106                             ANDROID_MIME_AACADTS);
1107                     return SL_RESULT_CONTENT_UNSUPPORTED;
1108                 }
1109                 break;
1110             default:
1111                 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source "
1112                                         "that is not fed MPEG-2 TS data or AAC ADTS data");
1113                 return SL_RESULT_CONTENT_UNSUPPORTED;
1114             }
1115         }
1116         break;
1117         default:
1118             SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source "
1119                     "without SL_DATAFORMAT_MIME format");
1120             return SL_RESULT_CONTENT_UNSUPPORTED;
1121         }
1122     }
1123     break; // case SL_DATALOCATOR_ANDROIDBUFFERQUEUE
1124     //------------------
1125     //   Address
1126     case SL_DATALOCATOR_ADDRESS:
1127     case SL_DATALOCATOR_IODEVICE:
1128     case SL_DATALOCATOR_OUTPUTMIX:
1129     case XA_DATALOCATOR_NATIVEDISPLAY:
1130     case SL_DATALOCATOR_MIDIBUFFERQUEUE:
1131         SL_LOGE("Cannot create audio player with data locator type 0x%x",
1132                 (unsigned) sourceLocatorType);
1133         return SL_RESULT_CONTENT_UNSUPPORTED;
1134     default:
1135         SL_LOGE("Cannot create audio player with invalid data locator type 0x%x",
1136                 (unsigned) sourceLocatorType);
1137         return SL_RESULT_PARAMETER_INVALID;
1138     }// switch (locatorType)
1139
1140     return SL_RESULT_SUCCESS;
1141 }
1142
1143
1144
1145 //-----------------------------------------------------------------------------
1146 static void audioTrack_callBack_uri(int event, void* user, void *info) {
1147     // EVENT_MORE_DATA needs to be handled with priority over the other events
1148     // because it will be called the most often during playback
1149
1150     if (event == android::AudioTrack::EVENT_MORE_DATA) {
1151         //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack");
1152         // set size to 0 to signal we're not using the callback to write more data
1153         android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info;
1154         pBuff->size = 0;
1155     } else if (NULL != user) {
1156         CAudioPlayer *ap = (CAudioPlayer *)user;
1157         if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) {
1158             // it is not safe to enter the callback (the track is about to go away)
1159             return;
1160         }
1161         switch (event) {
1162             case android::AudioTrack::EVENT_MARKER :
1163                 audioTrack_handleMarker_lockPlay(ap);
1164                 break;
1165             case android::AudioTrack::EVENT_NEW_POS :
1166                 audioTrack_handleNewPos_lockPlay(ap);
1167                 break;
1168             case android::AudioTrack::EVENT_UNDERRUN :
1169                 audioTrack_handleUnderrun_lockPlay(ap);
1170                 break;
1171             case android::AudioTrack::EVENT_BUFFER_END :
1172             case android::AudioTrack::EVENT_LOOP_END :
1173                 break;
1174             default:
1175                 SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event,
1176                         ap);
1177                 break;
1178         }
1179         ap->mCallbackProtector->exitCb();
1180     }
1181 }
1182
1183 //-----------------------------------------------------------------------------
1184 // Callback associated with an AudioTrack of an SL ES AudioPlayer that gets its data
1185 // from a buffer queue. This will not be called once the AudioTrack has been destroyed.
1186 static void audioTrack_callBack_pullFromBuffQueue(int event, void* user, void *info) {
1187     CAudioPlayer *ap = (CAudioPlayer *)user;
1188
1189     if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) {
1190         // it is not safe to enter the callback (the track is about to go away)
1191         return;
1192     }
1193
1194     void * callbackPContext = NULL;
1195     switch(event) {
1196
1197     case android::AudioTrack::EVENT_MORE_DATA: {
1198         //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack TID=%d", gettid());
1199         slBufferQueueCallback callback = NULL;
1200         android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info;
1201
1202         // retrieve data from the buffer queue
1203         interface_lock_exclusive(&ap->mBufferQueue);
1204
1205         if (ap->mBufferQueue.mState.count != 0) {
1206             //SL_LOGV("nbBuffers in queue = %u",ap->mBufferQueue.mState.count);
1207             assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear);
1208
1209             BufferHeader *oldFront = ap->mBufferQueue.mFront;
1210             BufferHeader *newFront = &oldFront[1];
1211
1212             // FIXME handle 8bit based on buffer format
1213             short *pSrc = (short*)((char *)oldFront->mBuffer
1214                     + ap->mBufferQueue.mSizeConsumed);
1215             if (ap->mBufferQueue.mSizeConsumed + pBuff->size < oldFront->mSize) {
1216                 // can't consume the whole or rest of the buffer in one shot
1217                 ap->mBufferQueue.mSizeConsumed += pBuff->size;
1218                 // leave pBuff->size untouched
1219                 // consume data
1220                 // FIXME can we avoid holding the lock during the copy?
1221                 memcpy (pBuff->i16, pSrc, pBuff->size);
1222             } else {
1223                 // finish consuming the buffer or consume the buffer in one shot
1224                 pBuff->size = oldFront->mSize - ap->mBufferQueue.mSizeConsumed;
1225                 ap->mBufferQueue.mSizeConsumed = 0;
1226
1227                 if (newFront ==
1228                         &ap->mBufferQueue.mArray
1229                             [ap->mBufferQueue.mNumBuffers + 1])
1230                 {
1231                     newFront = ap->mBufferQueue.mArray;
1232                 }
1233                 ap->mBufferQueue.mFront = newFront;
1234
1235                 ap->mBufferQueue.mState.count--;
1236                 ap->mBufferQueue.mState.playIndex++;
1237
1238                 // consume data
1239                 // FIXME can we avoid holding the lock during the copy?
1240                 memcpy (pBuff->i16, pSrc, pBuff->size);
1241
1242                 // data has been consumed, and the buffer queue state has been updated
1243                 // we will notify the client if applicable
1244                 callback = ap->mBufferQueue.mCallback;
1245                 // save callback data
1246                 callbackPContext = ap->mBufferQueue.mContext;
1247             }
1248         } else { // empty queue
1249             // signal no data available
1250             pBuff->size = 0;
1251
1252             // signal we're at the end of the content, but don't pause (see note in function)
1253             audioPlayer_dispatch_headAtEnd_lockPlay(ap, false /*set state to paused?*/, false);
1254
1255             // signal underflow to prefetch status itf
1256             if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
1257                 audioPlayer_dispatch_prefetchStatus_lockPrefetch(ap, SL_PREFETCHSTATUS_UNDERFLOW,
1258                     false);
1259             }
1260
1261             // stop the track so it restarts playing faster when new data is enqueued
1262             ap->mAudioTrack->stop();
1263         }
1264         interface_unlock_exclusive(&ap->mBufferQueue);
1265
1266         // notify client
1267         if (NULL != callback) {
1268             (*callback)(&ap->mBufferQueue.mItf, callbackPContext);
1269         }
1270     }
1271     break;
1272
1273     case android::AudioTrack::EVENT_MARKER:
1274         //SL_LOGI("received event EVENT_MARKER from AudioTrack");
1275         audioTrack_handleMarker_lockPlay(ap);
1276         break;
1277
1278     case android::AudioTrack::EVENT_NEW_POS:
1279         //SL_LOGI("received event EVENT_NEW_POS from AudioTrack");
1280         audioTrack_handleNewPos_lockPlay(ap);
1281         break;
1282
1283     case android::AudioTrack::EVENT_UNDERRUN:
1284         //SL_LOGI("received event EVENT_UNDERRUN from AudioTrack");
1285         audioTrack_handleUnderrun_lockPlay(ap);
1286         break;
1287
1288     default:
1289         // FIXME where does the notification of SL_PLAYEVENT_HEADMOVING fit?
1290         SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event,
1291                 (CAudioPlayer *)user);
1292         break;
1293     }
1294
1295     ap->mCallbackProtector->exitCb();
1296 }
1297
1298
1299 //-----------------------------------------------------------------------------
1300 SLresult android_audioPlayer_create(CAudioPlayer *pAudioPlayer) {
1301
1302     SLresult result = SL_RESULT_SUCCESS;
1303     // pAudioPlayer->mAndroidObjType has been set in audioPlayer_getAndroidObjectTypeForSourceSink()
1304     if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) {
1305         audioPlayer_setInvalid(pAudioPlayer);
1306         result = SL_RESULT_PARAMETER_INVALID;
1307     } else {
1308
1309         // These initializations are in the same order as the field declarations in classes.h
1310
1311         // FIXME Consolidate initializations (many of these already in IEngine_CreateAudioPlayer)
1312         pAudioPlayer->mpLock = new android::Mutex();
1313         // mAndroidObjType: see above comment
1314         pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED;
1315         pAudioPlayer->mSessionId = android::AudioSystem::newAudioSessionId();
1316         pAudioPlayer->mStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE;
1317
1318         // mAudioTrack
1319         pAudioPlayer->mCallbackProtector = new android::CallbackProtector();
1320         // mAPLayer
1321         // mAuxEffect
1322
1323         pAudioPlayer->mAuxSendLevel = 0;
1324         pAudioPlayer->mAmplFromDirectLevel = 1.0f; // matches initial mDirectLevel value
1325         pAudioPlayer->mDeferredStart = false;
1326         // Already initialized in IEngine_CreateAudioPlayer, to be consolidated
1327         pAudioPlayer->mDirectLevel = 0; // no attenuation
1328
1329         // This section re-initializes interface-specific fields that
1330         // can be set or used regardless of whether the interface is
1331         // exposed on the AudioPlayer or not
1332
1333         // Only AudioTrack supports a non-trivial playback rate
1334         switch (pAudioPlayer->mAndroidObjType) {
1335         case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
1336             pAudioPlayer->mPlaybackRate.mMinRate = AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE;
1337             pAudioPlayer->mPlaybackRate.mMaxRate = AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE;
1338             break;
1339         default:
1340             // use the default range
1341             break;
1342         }
1343
1344     }
1345
1346     return result;
1347 }
1348
1349
1350 //-----------------------------------------------------------------------------
1351 SLresult android_audioPlayer_setConfig(CAudioPlayer *ap, const SLchar *configKey,
1352         const void *pConfigValue, SLuint32 valueSize) {
1353
1354     SLresult result;
1355
1356     assert(NULL != ap && NULL != configKey && NULL != pConfigValue);
1357     if(strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) {
1358
1359         // stream type
1360         if (KEY_STREAM_TYPE_PARAMSIZE > valueSize) {
1361             SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW);
1362             result = SL_RESULT_BUFFER_INSUFFICIENT;
1363         } else {
1364             result = audioPlayer_setStreamType(ap, *(SLuint32*)pConfigValue);
1365         }
1366
1367     } else {
1368         SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY);
1369         result = SL_RESULT_PARAMETER_INVALID;
1370     }
1371
1372     return result;
1373 }
1374
1375
1376 //-----------------------------------------------------------------------------
1377 SLresult android_audioPlayer_getConfig(CAudioPlayer* ap, const SLchar *configKey,
1378         SLuint32* pValueSize, void *pConfigValue) {
1379
1380     SLresult result;
1381
1382     assert(NULL != ap && NULL != configKey && NULL != pValueSize);
1383     if(strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) {
1384
1385         // stream type
1386         if (NULL == pConfigValue) {
1387             result = SL_RESULT_SUCCESS;
1388         } else if (KEY_STREAM_TYPE_PARAMSIZE > *pValueSize) {
1389             SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW);
1390             result = SL_RESULT_BUFFER_INSUFFICIENT;
1391         } else {
1392             result = audioPlayer_getStreamType(ap, (SLint32*)pConfigValue);
1393         }
1394         *pValueSize = KEY_STREAM_TYPE_PARAMSIZE;
1395
1396     } else {
1397         SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY);
1398         result = SL_RESULT_PARAMETER_INVALID;
1399     }
1400
1401     return result;
1402 }
1403
1404
1405 //-----------------------------------------------------------------------------
1406 SLresult android_audioPlayer_realize(CAudioPlayer *pAudioPlayer, SLboolean async) {
1407
1408     SLresult result = SL_RESULT_SUCCESS;
1409     SL_LOGV("Realize pAudioPlayer=%p", pAudioPlayer);
1410
1411     switch (pAudioPlayer->mAndroidObjType) {
1412     //-----------------------------------
1413     // AudioTrack
1414     case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
1415         {
1416         // initialize platform-specific CAudioPlayer fields
1417
1418         SLDataLocator_BufferQueue *dl_bq =  (SLDataLocator_BufferQueue *)
1419                 pAudioPlayer->mDynamicSource.mDataSource;
1420         SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *)
1421                 pAudioPlayer->mDynamicSource.mDataSource->pFormat;
1422
1423         uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec);
1424
1425         pAudioPlayer->mAudioTrack = new android::AudioTrackProxy(new android::AudioTrack(
1426                 pAudioPlayer->mStreamType,                           // streamType
1427                 sampleRate,                                          // sampleRate
1428                 sles_to_android_sampleFormat(df_pcm->bitsPerSample), // format
1429                 sles_to_android_channelMaskOut(df_pcm->numChannels, df_pcm->channelMask),
1430                                                                      //channel mask
1431                 0,                                                   // frameCount (here min)
1432                 0,                                                   // flags
1433                 audioTrack_callBack_pullFromBuffQueue,               // callback
1434                 (void *) pAudioPlayer,                               // user
1435                 0      // FIXME find appropriate frame count         // notificationFrame
1436                 , pAudioPlayer->mSessionId
1437                 ));
1438         android::status_t status = pAudioPlayer->mAudioTrack->initCheck();
1439         if (status != android::NO_ERROR) {
1440             SL_LOGE("AudioTrack::initCheck status %u", status);
1441             result = SL_RESULT_CONTENT_UNSUPPORTED;
1442             pAudioPlayer->mAudioTrack.clear();
1443             return result;
1444         }
1445
1446         // initialize platform-independent CAudioPlayer fields
1447
1448         pAudioPlayer->mNumChannels = df_pcm->numChannels;
1449         pAudioPlayer->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES
1450
1451         pAudioPlayer->mAndroidObjState = ANDROID_READY;
1452         }
1453         break;
1454     //-----------------------------------
1455     // MediaPlayer
1456     case AUDIOPLAYER_FROM_URIFD: {
1457         object_lock_exclusive(&pAudioPlayer->mObject);
1458
1459         assert(pAudioPlayer->mAndroidObjState == ANDROID_UNINITIALIZED);
1460         assert(pAudioPlayer->mNumChannels == UNKNOWN_NUMCHANNELS);
1461         assert(pAudioPlayer->mSampleRateMilliHz == UNKNOWN_SAMPLERATE);
1462         assert(pAudioPlayer->mAudioTrack == 0);
1463
1464         AudioPlayback_Parameters app;
1465         app.sessionId = pAudioPlayer->mSessionId;
1466         app.streamType = pAudioPlayer->mStreamType;
1467         app.trackcb = audioTrack_callBack_uri;
1468         app.trackcbUser = (void *) pAudioPlayer;
1469
1470         pAudioPlayer->mAPlayer = new android::LocAVPlayer(&app, false /*hasVideo*/);
1471         pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent,
1472                         (void*)pAudioPlayer /*notifUSer*/);
1473
1474         object_unlock_exclusive(&pAudioPlayer->mObject);
1475
1476         switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) {
1477             case SL_DATALOCATOR_URI:
1478                 pAudioPlayer->mAPlayer->setDataSource(
1479                         (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI);
1480                 break;
1481             case SL_DATALOCATOR_ANDROIDFD: {
1482                 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset;
1483                 pAudioPlayer->mAPlayer->setDataSource(
1484                         (int)pAudioPlayer->mDataSource.mLocator.mFD.fd,
1485                         offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ?
1486                                 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset,
1487                         (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length);
1488                 }
1489                 break;
1490             default:
1491                 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR);
1492                 break;
1493         }
1494
1495         }
1496         break;
1497     //-----------------------------------
1498     // StreamPlayer
1499     case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: {
1500         object_lock_exclusive(&pAudioPlayer->mObject);
1501
1502         android_StreamPlayer_realize_l(pAudioPlayer, sfplayer_handlePrefetchEvent,
1503                 (void*)pAudioPlayer);
1504
1505         object_unlock_exclusive(&pAudioPlayer->mObject);
1506         }
1507         break;
1508     //-----------------------------------
1509     // AudioToCbRenderer
1510     case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: {
1511         object_lock_exclusive(&pAudioPlayer->mObject);
1512
1513         AudioPlayback_Parameters app;
1514         app.sessionId = pAudioPlayer->mSessionId;
1515         app.streamType = pAudioPlayer->mStreamType;
1516
1517         android::AudioToCbRenderer* decoder = new android::AudioToCbRenderer(&app);
1518         pAudioPlayer->mAPlayer = decoder;
1519         // configures the callback for the sink buffer queue
1520         decoder->setDataPushListener(adecoder_writeToBufferQueue, (void*)pAudioPlayer);
1521         // configures the callback for the notifications coming from the SF code
1522         decoder->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer);
1523
1524         switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) {
1525         case SL_DATALOCATOR_URI:
1526             decoder->setDataSource(
1527                     (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI);
1528             break;
1529         case SL_DATALOCATOR_ANDROIDFD: {
1530             int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset;
1531             decoder->setDataSource(
1532                     (int)pAudioPlayer->mDataSource.mLocator.mFD.fd,
1533                     offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ?
1534                             (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset,
1535                             (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length);
1536             }
1537             break;
1538         default:
1539             SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR);
1540             break;
1541         }
1542
1543         object_unlock_exclusive(&pAudioPlayer->mObject);
1544         }
1545         break;
1546     //-----------------------------------
1547     // AacBqToPcmCbRenderer
1548     case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: {
1549         object_lock_exclusive(&pAudioPlayer->mObject);
1550
1551         AudioPlayback_Parameters app;
1552         app.sessionId = pAudioPlayer->mSessionId;
1553         app.streamType = pAudioPlayer->mStreamType;
1554         app.trackcb = NULL;
1555         app.trackcbUser = NULL;
1556         android::AacBqToPcmCbRenderer* bqtobq = new android::AacBqToPcmCbRenderer(&app);
1557         // configures the callback for the sink buffer queue
1558         bqtobq->setDataPushListener(adecoder_writeToBufferQueue, (void*)pAudioPlayer);
1559         pAudioPlayer->mAPlayer = bqtobq;
1560         // configures the callback for the notifications coming from the SF code,
1561         // but also implicitly configures the AndroidBufferQueue from which ADTS data is read
1562         pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer);
1563
1564         object_unlock_exclusive(&pAudioPlayer->mObject);
1565         }
1566         break;
1567     //-----------------------------------
1568     default:
1569         SL_LOGE(ERROR_PLAYERREALIZE_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType);
1570         result = SL_RESULT_INTERNAL_ERROR;
1571         break;
1572     }
1573
1574
1575     // proceed with effect initialization
1576     // initialize EQ
1577     // FIXME use a table of effect descriptors when adding support for more effects
1578     if (memcmp(SL_IID_EQUALIZER, &pAudioPlayer->mEqualizer.mEqDescriptor.type,
1579             sizeof(effect_uuid_t)) == 0) {
1580         SL_LOGV("Need to initialize EQ for AudioPlayer=%p", pAudioPlayer);
1581         android_eq_init(pAudioPlayer->mSessionId, &pAudioPlayer->mEqualizer);
1582     }
1583     // initialize BassBoost
1584     if (memcmp(SL_IID_BASSBOOST, &pAudioPlayer->mBassBoost.mBassBoostDescriptor.type,
1585             sizeof(effect_uuid_t)) == 0) {
1586         SL_LOGV("Need to initialize BassBoost for AudioPlayer=%p", pAudioPlayer);
1587         android_bb_init(pAudioPlayer->mSessionId, &pAudioPlayer->mBassBoost);
1588     }
1589     // initialize Virtualizer
1590     if (memcmp(SL_IID_VIRTUALIZER, &pAudioPlayer->mVirtualizer.mVirtualizerDescriptor.type,
1591                sizeof(effect_uuid_t)) == 0) {
1592         SL_LOGV("Need to initialize Virtualizer for AudioPlayer=%p", pAudioPlayer);
1593         android_virt_init(pAudioPlayer->mSessionId, &pAudioPlayer->mVirtualizer);
1594     }
1595
1596     // initialize EffectSend
1597     // FIXME initialize EffectSend
1598
1599     return result;
1600 }
1601
1602
1603 //-----------------------------------------------------------------------------
1604 /**
1605  * Called with a lock on AudioPlayer
1606  */
1607 SLresult android_audioPlayer_preDestroy(CAudioPlayer *pAudioPlayer) {
1608     SL_LOGD("android_audioPlayer_preDestroy(%p)", pAudioPlayer);
1609     SLresult result = SL_RESULT_SUCCESS;
1610
1611     if (pAudioPlayer->mAPlayer != 0) {
1612         pAudioPlayer->mAPlayer->preDestroy();
1613     }
1614     SL_LOGD("android_audioPlayer_preDestroy(%p) after mAPlayer->preDestroy()", pAudioPlayer);
1615
1616     object_unlock_exclusive(&pAudioPlayer->mObject);
1617     if (pAudioPlayer->mCallbackProtector != 0) {
1618         pAudioPlayer->mCallbackProtector->requestCbExitAndWait();
1619     }
1620     object_lock_exclusive(&pAudioPlayer->mObject);
1621
1622     return result;
1623 }
1624
1625
1626 //-----------------------------------------------------------------------------
1627 SLresult android_audioPlayer_destroy(CAudioPlayer *pAudioPlayer) {
1628     SLresult result = SL_RESULT_SUCCESS;
1629     SL_LOGV("android_audioPlayer_destroy(%p)", pAudioPlayer);
1630     switch (pAudioPlayer->mAndroidObjType) {
1631
1632     case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
1633         // We own the audio track for PCM buffer queue players
1634         if (pAudioPlayer->mAudioTrack != 0) {
1635             pAudioPlayer->mAudioTrack->stop();
1636             // Note that there may still be another reference in post-unlock phase of SetPlayState
1637             pAudioPlayer->mAudioTrack.clear();
1638         }
1639         break;
1640
1641     case AUDIOPLAYER_FROM_URIFD:     // intended fall-through
1642     case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE:    // intended fall-through
1643     case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through
1644     case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1645         pAudioPlayer->mAPlayer.clear();
1646         break;
1647     //-----------------------------------
1648     default:
1649         SL_LOGE(ERROR_PLAYERDESTROY_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType);
1650         result = SL_RESULT_INTERNAL_ERROR;
1651         break;
1652     }
1653
1654     pAudioPlayer->mCallbackProtector.clear();
1655
1656     // FIXME might not be needed
1657     pAudioPlayer->mAndroidObjType = INVALID_TYPE;
1658
1659     // explicit destructor
1660     pAudioPlayer->mAudioTrack.~sp();
1661     // note that SetPlayState(PLAYING) may still hold a reference
1662     pAudioPlayer->mCallbackProtector.~sp();
1663     pAudioPlayer->mAuxEffect.~sp();
1664     pAudioPlayer->mAPlayer.~sp();
1665
1666     if (pAudioPlayer->mpLock != NULL) {
1667         delete pAudioPlayer->mpLock;
1668         pAudioPlayer->mpLock = NULL;
1669     }
1670
1671     return result;
1672 }
1673
1674
1675 //-----------------------------------------------------------------------------
1676 SLresult android_audioPlayer_setPlaybackRateAndConstraints(CAudioPlayer *ap, SLpermille rate,
1677         SLuint32 constraints) {
1678     SLresult result = SL_RESULT_SUCCESS;
1679     switch(ap->mAndroidObjType) {
1680     case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: {
1681         // these asserts were already checked by the platform-independent layer
1682         assert((AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE <= rate) &&
1683                 (rate <= AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE));
1684         assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO);
1685         // get the content sample rate
1686         uint32_t contentRate = sles_to_android_sampleRate(ap->mSampleRateMilliHz);
1687         // apply the SL ES playback rate on the AudioTrack as a factor of its content sample rate
1688         if (ap->mAudioTrack != 0) {
1689             ap->mAudioTrack->setSampleRate(contentRate * (rate/1000.0f));
1690         }
1691         }
1692         break;
1693     case AUDIOPLAYER_FROM_URIFD:
1694         assert(rate == 1000);
1695         assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO);
1696         // that was easy
1697         break;
1698
1699     default:
1700         SL_LOGE("Unexpected object type %d", ap->mAndroidObjType);
1701         result = SL_RESULT_FEATURE_UNSUPPORTED;
1702         break;
1703     }
1704     return result;
1705 }
1706
1707
1708 //-----------------------------------------------------------------------------
1709 // precondition
1710 //  called with no lock held
1711 //  ap != NULL
1712 //  pItemCount != NULL
1713 SLresult android_audioPlayer_metadata_getItemCount(CAudioPlayer *ap, SLuint32 *pItemCount) {
1714     if (ap->mAPlayer == 0) {
1715         return SL_RESULT_PARAMETER_INVALID;
1716     }
1717     switch(ap->mAndroidObjType) {
1718       case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1719         {
1720             android::AudioSfDecoder* decoder =
1721                     static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1722             *pItemCount = decoder->getPcmFormatKeyCount();
1723         }
1724         break;
1725       default:
1726         *pItemCount = 0;
1727         break;
1728     }
1729     return SL_RESULT_SUCCESS;
1730 }
1731
1732
1733 //-----------------------------------------------------------------------------
1734 // precondition
1735 //  called with no lock held
1736 //  ap != NULL
1737 //  pKeySize != NULL
1738 SLresult android_audioPlayer_metadata_getKeySize(CAudioPlayer *ap,
1739         SLuint32 index, SLuint32 *pKeySize) {
1740     if (ap->mAPlayer == 0) {
1741         return SL_RESULT_PARAMETER_INVALID;
1742     }
1743     SLresult res = SL_RESULT_SUCCESS;
1744     switch(ap->mAndroidObjType) {
1745       case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1746         {
1747             android::AudioSfDecoder* decoder =
1748                     static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1749             SLuint32 keyNameSize = 0;
1750             if (!decoder->getPcmFormatKeySize(index, &keyNameSize)) {
1751                 res = SL_RESULT_PARAMETER_INVALID;
1752             } else {
1753                 // *pKeySize is the size of the region used to store the key name AND
1754                 //   the information about the key (size, lang, encoding)
1755                 *pKeySize = keyNameSize + sizeof(SLMetadataInfo);
1756             }
1757         }
1758         break;
1759       default:
1760         *pKeySize = 0;
1761         res = SL_RESULT_PARAMETER_INVALID;
1762         break;
1763     }
1764     return res;
1765 }
1766
1767
1768 //-----------------------------------------------------------------------------
1769 // precondition
1770 //  called with no lock held
1771 //  ap != NULL
1772 //  pKey != NULL
1773 SLresult android_audioPlayer_metadata_getKey(CAudioPlayer *ap,
1774         SLuint32 index, SLuint32 size, SLMetadataInfo *pKey) {
1775     if (ap->mAPlayer == 0) {
1776         return SL_RESULT_PARAMETER_INVALID;
1777     }
1778     SLresult res = SL_RESULT_SUCCESS;
1779     switch(ap->mAndroidObjType) {
1780       case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1781         {
1782             android::AudioSfDecoder* decoder =
1783                     static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1784             if ((size < sizeof(SLMetadataInfo) ||
1785                     (!decoder->getPcmFormatKeyName(index, size - sizeof(SLMetadataInfo),
1786                             (char*)pKey->data)))) {
1787                 res = SL_RESULT_PARAMETER_INVALID;
1788             } else {
1789                 // successfully retrieved the key value, update the other fields
1790                 pKey->encoding = SL_CHARACTERENCODING_UTF8;
1791                 memcpy((char *) pKey->langCountry, "en", 3);
1792                 pKey->size = strlen((char*)pKey->data) + 1;
1793             }
1794         }
1795         break;
1796       default:
1797         res = SL_RESULT_PARAMETER_INVALID;
1798         break;
1799     }
1800     return res;
1801 }
1802
1803
1804 //-----------------------------------------------------------------------------
1805 // precondition
1806 //  called with no lock held
1807 //  ap != NULL
1808 //  pValueSize != NULL
1809 SLresult android_audioPlayer_metadata_getValueSize(CAudioPlayer *ap,
1810         SLuint32 index, SLuint32 *pValueSize) {
1811     if (ap->mAPlayer == 0) {
1812         return SL_RESULT_PARAMETER_INVALID;
1813     }
1814     SLresult res = SL_RESULT_SUCCESS;
1815     switch(ap->mAndroidObjType) {
1816       case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1817         {
1818             android::AudioSfDecoder* decoder =
1819                     static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1820             SLuint32 valueSize = 0;
1821             if (!decoder->getPcmFormatValueSize(index, &valueSize)) {
1822                 res = SL_RESULT_PARAMETER_INVALID;
1823             } else {
1824                 // *pValueSize is the size of the region used to store the key value AND
1825                 //   the information about the value (size, lang, encoding)
1826                 *pValueSize = valueSize + sizeof(SLMetadataInfo);
1827             }
1828         }
1829         break;
1830       default:
1831           *pValueSize = 0;
1832           res = SL_RESULT_PARAMETER_INVALID;
1833           break;
1834     }
1835     return res;
1836 }
1837
1838
1839 //-----------------------------------------------------------------------------
1840 // precondition
1841 //  called with no lock held
1842 //  ap != NULL
1843 //  pValue != NULL
1844 SLresult android_audioPlayer_metadata_getValue(CAudioPlayer *ap,
1845         SLuint32 index, SLuint32 size, SLMetadataInfo *pValue) {
1846     if (ap->mAPlayer == 0) {
1847         return SL_RESULT_PARAMETER_INVALID;
1848     }
1849     SLresult res = SL_RESULT_SUCCESS;
1850     switch(ap->mAndroidObjType) {
1851       case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1852         {
1853             android::AudioSfDecoder* decoder =
1854                     static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1855             pValue->encoding = SL_CHARACTERENCODING_BINARY;
1856             memcpy((char *) pValue->langCountry, "en", 3); // applicable here?
1857             SLuint32 valueSize = 0;
1858             if ((size < sizeof(SLMetadataInfo)
1859                     || (!decoder->getPcmFormatValueSize(index, &valueSize))
1860                     || (!decoder->getPcmFormatKeyValue(index, size - sizeof(SLMetadataInfo),
1861                             (SLuint32*)pValue->data)))) {
1862                 res = SL_RESULT_PARAMETER_INVALID;
1863             } else {
1864                 pValue->size = valueSize;
1865             }
1866         }
1867         break;
1868       default:
1869         res = SL_RESULT_PARAMETER_INVALID;
1870         break;
1871     }
1872     return res;
1873 }
1874
1875 //-----------------------------------------------------------------------------
1876 // preconditions
1877 //  ap != NULL
1878 //  mutex is locked
1879 //  play state has changed
1880 void android_audioPlayer_setPlayState(CAudioPlayer *ap) {
1881
1882     SLuint32 playState = ap->mPlay.mState;
1883     AndroidObjectState objState = ap->mAndroidObjState;
1884
1885     switch(ap->mAndroidObjType) {
1886     case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
1887         switch (playState) {
1888         case SL_PLAYSTATE_STOPPED:
1889             SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED");
1890             if (ap->mAudioTrack != 0) {
1891                 ap->mAudioTrack->stop();
1892             }
1893             break;
1894         case SL_PLAYSTATE_PAUSED:
1895             SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED");
1896             if (ap->mAudioTrack != 0) {
1897                 ap->mAudioTrack->pause();
1898             }
1899             break;
1900         case SL_PLAYSTATE_PLAYING:
1901             SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING");
1902             if (ap->mAudioTrack != 0) {
1903                 // instead of ap->mAudioTrack->start();
1904                 ap->mDeferredStart = true;
1905             }
1906             break;
1907         default:
1908             // checked by caller, should not happen
1909             break;
1910         }
1911         break;
1912
1913     case AUDIOPLAYER_FROM_URIFD:      // intended fall-through
1914     case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE:     // intended fall-through
1915     case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:  // intended fall-through
1916     case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1917         // FIXME report and use the return code to the lock mechanism, which is where play state
1918         //   changes are updated (see object_unlock_exclusive_attributes())
1919         aplayer_setPlayState(ap->mAPlayer, playState, &(ap->mAndroidObjState));
1920         break;
1921     default:
1922         SL_LOGE(ERROR_PLAYERSETPLAYSTATE_UNEXPECTED_OBJECT_TYPE_D, ap->mAndroidObjType);
1923         break;
1924     }
1925 }
1926
1927
1928 //-----------------------------------------------------------------------------
1929 // call when either player event flags, marker position, or position update period changes
1930 void android_audioPlayer_useEventMask(CAudioPlayer *ap) {
1931     IPlay *pPlayItf = &ap->mPlay;
1932     SLuint32 eventFlags = pPlayItf->mEventFlags;
1933     /*switch(ap->mAndroidObjType) {
1934     case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:*/
1935
1936     if (ap->mAPlayer != 0) {
1937         assert(ap->mAudioTrack == 0);
1938         ap->mAPlayer->setPlayEvents((int32_t) eventFlags, (int32_t) pPlayItf->mMarkerPosition,
1939                 (int32_t) pPlayItf->mPositionUpdatePeriod);
1940         return;
1941     }
1942
1943     if (ap->mAudioTrack == 0) {
1944         return;
1945     }
1946
1947     if (eventFlags & SL_PLAYEVENT_HEADATMARKER) {
1948         ap->mAudioTrack->setMarkerPosition((uint32_t)((((int64_t)pPlayItf->mMarkerPosition
1949                 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000));
1950     } else {
1951         // clear marker
1952         ap->mAudioTrack->setMarkerPosition(0);
1953     }
1954
1955     if (eventFlags & SL_PLAYEVENT_HEADATNEWPOS) {
1956          ap->mAudioTrack->setPositionUpdatePeriod(
1957                 (uint32_t)((((int64_t)pPlayItf->mPositionUpdatePeriod
1958                 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000));
1959     } else {
1960         // clear periodic update
1961         ap->mAudioTrack->setPositionUpdatePeriod(0);
1962     }
1963
1964     if (eventFlags & SL_PLAYEVENT_HEADATEND) {
1965         // nothing to do for SL_PLAYEVENT_HEADATEND, callback event will be checked against mask
1966     }
1967
1968     if (eventFlags & SL_PLAYEVENT_HEADMOVING) {
1969         // FIXME support SL_PLAYEVENT_HEADMOVING
1970         SL_LOGD("[ FIXME: IPlay_SetCallbackEventsMask(SL_PLAYEVENT_HEADMOVING) on an "
1971             "SL_OBJECTID_AUDIOPLAYER to be implemented ]");
1972     }
1973     if (eventFlags & SL_PLAYEVENT_HEADSTALLED) {
1974         // nothing to do for SL_PLAYEVENT_HEADSTALLED, callback event will be checked against mask
1975     }
1976
1977 }
1978
1979
1980 //-----------------------------------------------------------------------------
1981 SLresult android_audioPlayer_getDuration(IPlay *pPlayItf, SLmillisecond *pDurMsec) {
1982     CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis;
1983     switch(ap->mAndroidObjType) {
1984
1985       case AUDIOPLAYER_FROM_URIFD:  // intended fall-through
1986       case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: {
1987         int32_t durationMsec = ANDROID_UNKNOWN_TIME;
1988         if (ap->mAPlayer != 0) {
1989             ap->mAPlayer->getDurationMsec(&durationMsec);
1990         }
1991         *pDurMsec = durationMsec == ANDROID_UNKNOWN_TIME ? SL_TIME_UNKNOWN : durationMsec;
1992         break;
1993       }
1994
1995       case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through
1996       case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:       // intended fall-through
1997       default: {
1998         *pDurMsec = SL_TIME_UNKNOWN;
1999       }
2000     }
2001     return SL_RESULT_SUCCESS;
2002 }
2003
2004
2005 //-----------------------------------------------------------------------------
2006 void android_audioPlayer_getPosition(IPlay *pPlayItf, SLmillisecond *pPosMsec) {
2007     CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis;
2008     switch(ap->mAndroidObjType) {
2009
2010       case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
2011         if ((ap->mSampleRateMilliHz == UNKNOWN_SAMPLERATE) || (ap->mAudioTrack == 0)) {
2012             *pPosMsec = 0;
2013         } else {
2014             uint32_t positionInFrames;
2015             ap->mAudioTrack->getPosition(&positionInFrames);
2016             *pPosMsec = ((int64_t)positionInFrames * 1000) /
2017                     sles_to_android_sampleRate(ap->mSampleRateMilliHz);
2018         }
2019         break;
2020
2021       case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE:    // intended fall-through
2022       case AUDIOPLAYER_FROM_URIFD:                    // intended fall-through
2023       case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: {
2024         int32_t posMsec = ANDROID_UNKNOWN_TIME;
2025         if (ap->mAPlayer != 0) {
2026             ap->mAPlayer->getPositionMsec(&posMsec);
2027         }
2028         *pPosMsec = posMsec == ANDROID_UNKNOWN_TIME ? 0 : posMsec;
2029         break;
2030       }
2031
2032       default:
2033         *pPosMsec = 0;
2034     }
2035 }
2036
2037
2038 //-----------------------------------------------------------------------------
2039 void android_audioPlayer_seek(CAudioPlayer *ap, SLmillisecond posMsec) {
2040
2041     switch(ap->mAndroidObjType) {
2042
2043       case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:      // intended fall-through
2044       case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE:
2045         break;
2046
2047       case AUDIOPLAYER_FROM_URIFD:                   // intended fall-through
2048       case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
2049         if (ap->mAPlayer != 0) {
2050             ap->mAPlayer->seek(posMsec);
2051         }
2052         break;
2053
2054       default:
2055         break;
2056     }
2057 }
2058
2059
2060 //-----------------------------------------------------------------------------
2061 void android_audioPlayer_loop(CAudioPlayer *ap, SLboolean loopEnable) {
2062
2063     if ((AUDIOPLAYER_FROM_URIFD == ap->mAndroidObjType) && (ap->mAPlayer != 0)) {
2064         ap->mAPlayer->loop((bool)loopEnable);
2065     }
2066 }
2067
2068
2069 //-----------------------------------------------------------------------------
2070 SLresult android_audioPlayer_setBufferingUpdateThresholdPerMille(CAudioPlayer *ap,
2071         SLpermille threshold) {
2072     SLresult result = SL_RESULT_SUCCESS;
2073
2074     switch (ap->mAndroidObjType) {
2075       case AUDIOPLAYER_FROM_URIFD:
2076         if (ap->mAPlayer != 0) {
2077             ap->mAPlayer->setBufferingUpdateThreshold(threshold / 10);
2078         }
2079         break;
2080
2081       default: {}
2082     }
2083
2084     return result;
2085 }
2086
2087
2088 //-----------------------------------------------------------------------------
2089 void android_audioPlayer_bufferQueue_onRefilled_l(CAudioPlayer *ap) {
2090     // the AudioTrack associated with the AudioPlayer receiving audio from a PCM buffer
2091     // queue was stopped when the queue become empty, we restart as soon as a new buffer
2092     // has been enqueued since we're in playing state
2093     if (ap->mAudioTrack != 0) {
2094         // instead of ap->mAudioTrack->start();
2095         ap->mDeferredStart = true;
2096     }
2097
2098     // when the queue became empty, an underflow on the prefetch status itf was sent. Now the queue
2099     // has received new data, signal it has sufficient data
2100     if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
2101         audioPlayer_dispatch_prefetchStatus_lockPrefetch(ap, SL_PREFETCHSTATUS_SUFFICIENTDATA,
2102             true);
2103     }
2104 }
2105
2106
2107 //-----------------------------------------------------------------------------
2108 /*
2109  * BufferQueue::Clear
2110  */
2111 SLresult android_audioPlayer_bufferQueue_onClear(CAudioPlayer *ap) {
2112     SLresult result = SL_RESULT_SUCCESS;
2113
2114     switch (ap->mAndroidObjType) {
2115     //-----------------------------------
2116     // AudioTrack
2117     case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
2118         if (ap->mAudioTrack != 0) {
2119             ap->mAudioTrack->flush();
2120         }
2121         break;
2122     default:
2123         result = SL_RESULT_INTERNAL_ERROR;
2124         break;
2125     }
2126
2127     return result;
2128 }
2129
2130
2131 //-----------------------------------------------------------------------------
2132 SLresult android_audioPlayer_androidBufferQueue_registerCallback_l(CAudioPlayer *ap) {
2133     SLresult result = SL_RESULT_SUCCESS;
2134     assert(ap->mAPlayer != 0);
2135     switch (ap->mAndroidObjType) {
2136       case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: {
2137           android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get());
2138           splr->registerQueueCallback(
2139                   (const void*)ap /*user*/, true /*userIsAudioPlayer*/,
2140                   ap->mAndroidBufferQueue.mContext /*context*/,
2141                   (const void*)&(ap->mAndroidBufferQueue.mItf) /*caller*/);
2142         } break;
2143       case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: {
2144           android::AacBqToPcmCbRenderer* dec =
2145                   static_cast<android::AacBqToPcmCbRenderer*>(ap->mAPlayer.get());
2146           dec->registerSourceQueueCallback((const void*)ap /*user*/,
2147                   ap->mAndroidBufferQueue.mContext /*context*/,
2148                   (const void*)&(ap->mAndroidBufferQueue.mItf) /*caller*/);
2149         } break;
2150       default:
2151         SL_LOGE("Error registering AndroidBufferQueue callback: unexpected object type %d",
2152                 ap->mAndroidObjType);
2153         result = SL_RESULT_INTERNAL_ERROR;
2154         break;
2155     }
2156     return result;
2157 }
2158
2159 //-----------------------------------------------------------------------------
2160 void android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer *ap) {
2161     if ((ap->mAndroidObjType == AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE) && (ap->mAPlayer != 0)) {
2162         android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get());
2163         splr->appClear_l();
2164     }
2165 }
2166
2167 void android_audioPlayer_androidBufferQueue_onRefilled_l(CAudioPlayer *ap) {
2168     if ((ap->mAndroidObjType == AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE) && (ap->mAPlayer != 0)) {
2169         android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get());
2170         splr->queueRefilled_l();
2171     }
2172 }