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 "utils/RefBase.h"
  19 #include "android_prompts.h"
  20
  21 template class android::KeyedVector<SLuint32, android::AudioEffect* > ;
  22
  23 #define KEY_STREAM_TYPE_PARAMSIZE  sizeof(SLint32)
  24
  25 //-----------------------------------------------------------------------------
  26 // FIXME this method will be absorbed into android_audioPlayer_setPlayState() once
  27 //       bufferqueue and uri/fd playback are moved under the GenericPlayer C++ object
  28 SLresult aplayer_setPlayState(const android::sp<android::GenericPlayer> &ap, SLuint32 playState,
  29         AndroidObject_state* pObjState) {
  30     SLresult result = SL_RESULT_SUCCESS;
  31     AndroidObject_state objState = *pObjState;
  32
  33     switch (playState) {
  34      case SL_PLAYSTATE_STOPPED:
  35          SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_STOPPED");
  36          ap->stop();
  37          break;
  38      case SL_PLAYSTATE_PAUSED:
  39          SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PAUSED");
  40          switch(objState) {
  41          case ANDROID_UNINITIALIZED:
  42              *pObjState = ANDROID_PREPARING;
  43              ap->prepare();
  44              break;
  45          case ANDROID_PREPARING:
  46              break;
  47          case ANDROID_READY:
  48              ap->pause();
  49              break;
  50          default:
  51              SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState);
  52              result = SL_RESULT_INTERNAL_ERROR;
  53              break;
  54          }
  55          break;
  56      case SL_PLAYSTATE_PLAYING: {
  57          SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PLAYING");
  58          switch(objState) {
  59          case ANDROID_UNINITIALIZED:
  60              *pObjState = ANDROID_PREPARING;
  61              ap->prepare();
  62              // intended fall through
  63          case ANDROID_PREPARING:
  64              // intended fall through
  65          case ANDROID_READY:
  66              ap->play();
  67              break;
  68          default:
  69              SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState);
  70              result = SL_RESULT_INTERNAL_ERROR;
  71              break;
  72          }
  73          }
  74          break;
  75      default:
  76          // checked by caller, should not happen
  77          SL_LOGE(ERROR_SHOULDNT_BE_HERE_S, "aplayer_setPlayState");
  78          result = SL_RESULT_INTERNAL_ERROR;
  79          break;
  80      }
  81
  82     return result;
  83 }
  84
  85
  86 //-----------------------------------------------------------------------------
  87 // Callback associated with a AudioToCbRenderer of an SL ES AudioPlayer that gets its data
  88 // from a URI or FD, to write the decoded audio data to a buffer queue
  89 static size_t adecoder_writeToBufferQueue(const uint8_t *data, size_t size, void* user) {
  90     size_t sizeConsumed = 0;
  91     if (NULL == user) {
  92         return sizeConsumed;
  93     }
  94     SL_LOGD("received %d bytes from decoder", size);
  95     CAudioPlayer *ap = (CAudioPlayer *)user;
  96     slBufferQueueCallback callback = NULL;
  97     void * callbackPContext = NULL;
  98
  99     // push decoded data to the buffer queue
 100     object_lock_exclusive(&ap->mObject);
 101
 102     if (ap->mBufferQueue.mState.count != 0) {
 103         assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear);
 104
 105         BufferHeader *oldFront = ap->mBufferQueue.mFront;
 106         BufferHeader *newFront = &oldFront[1];
 107
 108         uint8_t *pDest = (uint8_t *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed;
 109         if (ap->mBufferQueue.mSizeConsumed + size < oldFront->mSize) {
 110             // room to consume the whole or rest of the decoded data in one shot
 111             ap->mBufferQueue.mSizeConsumed += size;
 112             // consume data but no callback to the BufferQueue interface here
 113             memcpy (pDest, data, size);
 114             sizeConsumed = size;
 115         } else {
 116             // push as much as possible of the decoded data into the buffer queue
 117             sizeConsumed = oldFront->mSize - ap->mBufferQueue.mSizeConsumed;
 118
 119             // the buffer at the head of the buffer queue is full, update the state
 120             ap->mBufferQueue.mSizeConsumed = 0;
 121             if (newFront ==  &ap->mBufferQueue.mArray[ap->mBufferQueue.mNumBuffers + 1]) {
 122                 newFront = ap->mBufferQueue.mArray;
 123             }
 124             ap->mBufferQueue.mFront = newFront;
 125
 126             ap->mBufferQueue.mState.count--;
 127             ap->mBufferQueue.mState.playIndex++;
 128             // consume data
 129             memcpy (pDest, data, sizeConsumed);
 130             // data has been copied to the buffer, and the buffer queue state has been updated
 131             // we will notify the client if applicable
 132             callback = ap->mBufferQueue.mCallback;
 133             // save callback data
 134             callbackPContext = ap->mBufferQueue.mContext;
 135         }
 136
 137     } else {
 138         // no available buffers in the queue to write the decoded data
 139         sizeConsumed = 0;
 140     }
 141
 142     object_unlock_exclusive(&ap->mObject);
 143     // notify client
 144     if (NULL != callback) {
 145         (*callback)(&ap->mBufferQueue.mItf, callbackPContext);
 146     }
 147
 148     return sizeConsumed;
 149 }
 150
 151 //-----------------------------------------------------------------------------
 152 int android_getMinFrameCount(uint32_t sampleRate) {
 153     int afSampleRate;
 154     if (android::AudioSystem::getOutputSamplingRate(&afSampleRate,
 155             ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) {
 156         return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE;
 157     }
 158     int afFrameCount;
 159     if (android::AudioSystem::getOutputFrameCount(&afFrameCount,
 160             ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) {
 161         return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE;
 162     }
 163     uint32_t afLatency;
 164     if (android::AudioSystem::getOutputLatency(&afLatency,
 165             ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) {
 166         return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE;
 167     }
 168     // minimum nb of buffers to cover output latency, given the size of each hardware audio buffer
 169     uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate);
 170     if (minBufCount < 2) minBufCount = 2;
 171     // minimum number of frames to cover output latency at the sample rate of the content
 172     return (afFrameCount*sampleRate*minBufCount)/afSampleRate;
 173 }
 174
 175
 176 //-----------------------------------------------------------------------------
 177 #define LEFT_CHANNEL_MASK  0x1 << 0
 178 #define RIGHT_CHANNEL_MASK 0x1 << 1
 179
 180 static void android_audioPlayer_updateStereoVolume(CAudioPlayer* ap) {
 181     float leftVol = 1.0f, rightVol = 1.0f;
 182
 183     if (NULL == ap->mAudioTrack) {
 184         return;
 185     }
 186     // should not be used when muted
 187     if (SL_BOOLEAN_TRUE == ap->mMute) {
 188         return;
 189     }
 190
 191     int channelCount = ap->mNumChannels;
 192
 193     // mute has priority over solo
 194     int leftAudibilityFactor = 1, rightAudibilityFactor = 1;
 195
 196     if (channelCount >= STEREO_CHANNELS) {
 197         if (ap->mMuteMask & LEFT_CHANNEL_MASK) {
 198             // left muted
 199             leftAudibilityFactor = 0;
 200         } else {
 201             // left not muted
 202             if (ap->mSoloMask & LEFT_CHANNEL_MASK) {
 203                 // left soloed
 204                 leftAudibilityFactor = 1;
 205             } else {
 206                 // left not soloed
 207                 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) {
 208                     // right solo silences left
 209                     leftAudibilityFactor = 0;
 210                 } else {
 211                     // left and right are not soloed, and left is not muted
 212                     leftAudibilityFactor = 1;
 213                 }
 214             }
 215         }
 216
 217         if (ap->mMuteMask & RIGHT_CHANNEL_MASK) {
 218             // right muted
 219             rightAudibilityFactor = 0;
 220         } else {
 221             // right not muted
 222             if (ap->mSoloMask & RIGHT_CHANNEL_MASK) {
 223                 // right soloed
 224                 rightAudibilityFactor = 1;
 225             } else {
 226                 // right not soloed
 227                 if (ap->mSoloMask & LEFT_CHANNEL_MASK) {
 228                     // left solo silences right
 229                     rightAudibilityFactor = 0;
 230                 } else {
 231                     // left and right are not soloed, and right is not muted
 232                     rightAudibilityFactor = 1;
 233                 }
 234             }
 235         }
 236     }
 237
 238     // compute amplification as the combination of volume level and stereo position
 239     //   amplification from volume level
 240     ap->mAmplFromVolLevel = sles_to_android_amplification(ap->mVolume.mLevel);
 241     //   amplification from direct level (changed in SLEffectSendtItf and SLAndroidEffectSendItf)
 242     leftVol  *= ap->mAmplFromVolLevel * ap->mAmplFromDirectLevel;
 243     rightVol *= ap->mAmplFromVolLevel * ap->mAmplFromDirectLevel;
 244
 245     // amplification from stereo position
 246     if (ap->mVolume.mEnableStereoPosition) {
 247         // panning law depends on number of channels of content: stereo panning vs 2ch. balance
 248         if(1 == channelCount) {
 249             // stereo panning
 250             double theta = (1000+ap->mVolume.mStereoPosition)*M_PI_4/1000.0f; // 0 <= theta <= Pi/2
 251             ap->mAmplFromStereoPos[0] = cos(theta);
 252             ap->mAmplFromStereoPos[1] = sin(theta);
 253         } else {
 254             // stereo balance
 255             if (ap->mVolume.mStereoPosition > 0) {
 256                 ap->mAmplFromStereoPos[0] = (1000-ap->mVolume.mStereoPosition)/1000.0f;
 257                 ap->mAmplFromStereoPos[1] = 1.0f;
 258             } else {
 259                 ap->mAmplFromStereoPos[0] = 1.0f;
 260                 ap->mAmplFromStereoPos[1] = (1000+ap->mVolume.mStereoPosition)/1000.0f;
 261             }
 262         }
 263         leftVol  *= ap->mAmplFromStereoPos[0];
 264         rightVol *= ap->mAmplFromStereoPos[1];
 265     }
 266
 267     ap->mAudioTrack->setVolume(leftVol * leftAudibilityFactor, rightVol * rightAudibilityFactor);
 268
 269     // changes in the AudioPlayer volume must be reflected in the send level:
 270     //  in SLEffectSendItf or in SLAndroidEffectSendItf?
 271     // FIXME replace interface test by an internal API once we have one.
 272     if (NULL != ap->mEffectSend.mItf) {
 273         for (unsigned int i=0 ; i<AUX_MAX ; i++) {
 274             if (ap->mEffectSend.mEnableLevels[i].mEnable) {
 275                 android_fxSend_setSendLevel(ap,
 276                         ap->mEffectSend.mEnableLevels[i].mSendLevel + ap->mVolume.mLevel);
 277                 // there's a single aux bus on Android, so we can stop looking once the first
 278                 // aux effect is found.
 279                 break;
 280             }
 281         }
 282     } else if (NULL != ap->mAndroidEffectSend.mItf) {
 283         android_fxSend_setSendLevel(ap, ap->mAndroidEffectSend.mSendLevel + ap->mVolume.mLevel);
 284     }
 285 }
 286
 287 //-----------------------------------------------------------------------------
 288 void audioTrack_handleMarker_lockPlay(CAudioPlayer* ap) {
 289     //SL_LOGV("received event EVENT_MARKER from AudioTrack");
 290     slPlayCallback callback = NULL;
 291     void* callbackPContext = NULL;
 292
 293     interface_lock_shared(&ap->mPlay);
 294     callback = ap->mPlay.mCallback;
 295     callbackPContext = ap->mPlay.mContext;
 296     interface_unlock_shared(&ap->mPlay);
 297
 298     if (NULL != callback) {
 299         // getting this event implies SL_PLAYEVENT_HEADATMARKER was set in the event mask
 300         (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATMARKER);
 301     }
 302 }
 303
 304 //-----------------------------------------------------------------------------
 305 void audioTrack_handleNewPos_lockPlay(CAudioPlayer* ap) {
 306     //SL_LOGV("received event EVENT_NEW_POS from AudioTrack");
 307     slPlayCallback callback = NULL;
 308     void* callbackPContext = NULL;
 309
 310     interface_lock_shared(&ap->mPlay);
 311     callback = ap->mPlay.mCallback;
 312     callbackPContext = ap->mPlay.mContext;
 313     interface_unlock_shared(&ap->mPlay);
 314
 315     if (NULL != callback) {
 316         // getting this event implies SL_PLAYEVENT_HEADATNEWPOS was set in the event mask
 317         (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATNEWPOS);
 318     }
 319 }
 320
 321
 322 //-----------------------------------------------------------------------------
 323 void audioTrack_handleUnderrun_lockPlay(CAudioPlayer* ap) {
 324     slPlayCallback callback = NULL;
 325     void* callbackPContext = NULL;
 326
 327     interface_lock_shared(&ap->mPlay);
 328     callback = ap->mPlay.mCallback;
 329     callbackPContext = ap->mPlay.mContext;
 330     bool headStalled = (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADSTALLED) != 0;
 331     interface_unlock_shared(&ap->mPlay);
 332
 333     if ((NULL != callback) && headStalled) {
 334         (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADSTALLED);
 335     }
 336 }
 337
 338
 339 //-----------------------------------------------------------------------------
 340 /**
 341  * post-condition: play state of AudioPlayer is SL_PLAYSTATE_PAUSED if setPlayStateToPaused is true
 342  *
 343  * note: a conditional flag, setPlayStateToPaused, is used here to specify whether the play state
 344  *       needs to be changed when the player reaches the end of the content to play. This is
 345  *       relative to what the specification describes for buffer queues vs the
 346  *       SL_PLAYEVENT_HEADATEND event. In the OpenSL ES specification 1.0.1:
 347  *        - section 8.12 SLBufferQueueItf states "In the case of starvation due to insufficient
 348  *          buffers in the queue, the playing of audio data stops. The player remains in the
 349  *          SL_PLAYSTATE_PLAYING state."
 350  *        - section 9.2.31 SL_PLAYEVENT states "SL_PLAYEVENT_HEADATEND Playback head is at the end
 351  *          of the current content and the player has paused."
 352  */
 353 void audioPlayer_dispatch_headAtEnd_lockPlay(CAudioPlayer *ap, bool setPlayStateToPaused,
 354         bool needToLock) {
 355     //SL_LOGV("ap=%p, setPlayStateToPaused=%d, needToLock=%d", ap, setPlayStateToPaused,
 356     //        needToLock);
 357     slPlayCallback playCallback = NULL;
 358     void * playContext = NULL;
 359     // SLPlayItf callback or no callback?
 360     if (needToLock) {
 361         interface_lock_exclusive(&ap->mPlay);
 362     }
 363     if (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADATEND) {
 364         playCallback = ap->mPlay.mCallback;
 365         playContext = ap->mPlay.mContext;
 366     }
 367     if (setPlayStateToPaused) {
 368         ap->mPlay.mState = SL_PLAYSTATE_PAUSED;
 369     }
 370     if (needToLock) {
 371         interface_unlock_exclusive(&ap->mPlay);
 372     }
 373     // callback with no lock held
 374     if (NULL != playCallback) {
 375         (*playCallback)(&ap->mPlay.mItf, playContext, SL_PLAYEVENT_HEADATEND);
 376     }
 377
 378 }
 379
 380
 381 //-----------------------------------------------------------------------------
 382 /**
 383  * pre-condition: AudioPlayer has SLPrefetchStatusItf initialized
 384  * post-condition:
 385  *  - ap->mPrefetchStatus.mStatus == status
 386  *  - the prefetch status callback, if any, has been notified if a change occurred
 387  *
 388  */
 389 void audioPlayer_dispatch_prefetchStatus_lockPrefetch(CAudioPlayer *ap, SLuint32 status,
 390         bool needToLock) {
 391     slPrefetchCallback prefetchCallback = NULL;
 392     void * prefetchContext = NULL;
 393
 394     if (needToLock) {
 395         interface_lock_exclusive(&ap->mPrefetchStatus);
 396     }
 397     // status change?
 398     if (ap->mPrefetchStatus.mStatus != status) {
 399         ap->mPrefetchStatus.mStatus = status;
 400         // callback or no callback?
 401         if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) {
 402             prefetchCallback = ap->mPrefetchStatus.mCallback;
 403             prefetchContext  = ap->mPrefetchStatus.mContext;
 404         }
 405     }
 406     if (needToLock) {
 407         interface_unlock_exclusive(&ap->mPrefetchStatus);
 408     }
 409
 410     // callback with no lock held
 411     if (NULL != prefetchCallback) {
 412         (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, status);
 413     }
 414 }
 415
 416
 417 //-----------------------------------------------------------------------------
 418 SLresult audioPlayer_setStreamType(CAudioPlayer* ap, SLint32 type) {
 419     SLresult result = SL_RESULT_SUCCESS;
 420     SL_LOGV("type %ld", type);
 421
 422     int newStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE;
 423     switch(type) {
 424     case SL_ANDROID_STREAM_VOICE:
 425         newStreamType = android::AudioSystem::VOICE_CALL;
 426         break;
 427     case SL_ANDROID_STREAM_SYSTEM:
 428         newStreamType = android::AudioSystem::SYSTEM;
 429         break;
 430     case SL_ANDROID_STREAM_RING:
 431         newStreamType = android::AudioSystem::RING;
 432         break;
 433     case SL_ANDROID_STREAM_MEDIA:
 434         newStreamType = android::AudioSystem::MUSIC;
 435         break;
 436     case SL_ANDROID_STREAM_ALARM:
 437         newStreamType = android::AudioSystem::ALARM;
 438         break;
 439     case SL_ANDROID_STREAM_NOTIFICATION:
 440         newStreamType = android::AudioSystem::NOTIFICATION;
 441         break;
 442     default:
 443         SL_LOGE(ERROR_PLAYERSTREAMTYPE_SET_UNKNOWN_TYPE);
 444         result = SL_RESULT_PARAMETER_INVALID;
 445         break;
 446     }
 447
 448     // stream type needs to be set before the object is realized
 449     // (ap->mAudioTrack is supposed to be NULL until then)
 450     if (SL_OBJECT_STATE_UNREALIZED != ap->mObject.mState) {
 451         SL_LOGE(ERROR_PLAYERSTREAMTYPE_REALIZED);
 452         result = SL_RESULT_PRECONDITIONS_VIOLATED;
 453     } else {
 454         ap->mStreamType = newStreamType;
 455     }
 456
 457     return result;
 458 }
 459
 460
 461 //-----------------------------------------------------------------------------
 462 SLresult audioPlayer_getStreamType(CAudioPlayer* ap, SLint32 *pType) {
 463     SLresult result = SL_RESULT_SUCCESS;
 464
 465     switch(ap->mStreamType) {
 466     case android::AudioSystem::VOICE_CALL:
 467         *pType = SL_ANDROID_STREAM_VOICE;
 468         break;
 469     case android::AudioSystem::SYSTEM:
 470         *pType = SL_ANDROID_STREAM_SYSTEM;
 471         break;
 472     case android::AudioSystem::RING:
 473         *pType = SL_ANDROID_STREAM_RING;
 474         break;
 475     case android::AudioSystem::DEFAULT:
 476     case android::AudioSystem::MUSIC:
 477         *pType = SL_ANDROID_STREAM_MEDIA;
 478         break;
 479     case android::AudioSystem::ALARM:
 480         *pType = SL_ANDROID_STREAM_ALARM;
 481         break;
 482     case android::AudioSystem::NOTIFICATION:
 483         *pType = SL_ANDROID_STREAM_NOTIFICATION;
 484         break;
 485     default:
 486         result = SL_RESULT_INTERNAL_ERROR;
 487         *pType = SL_ANDROID_STREAM_MEDIA;
 488         break;
 489     }
 490
 491     return result;
 492 }
 493
 494
 495 //-----------------------------------------------------------------------------
 496 void audioPlayer_auxEffectUpdate(CAudioPlayer* ap) {
 497     if ((NULL != ap->mAudioTrack) && (ap->mAuxEffect != 0)) {
 498         android_fxSend_attach(ap, true, ap->mAuxEffect, ap->mVolume.mLevel + ap->mAuxSendLevel);
 499     }
 500 }
 501
 502
 503 //-----------------------------------------------------------------------------
 504 void audioPlayer_setInvalid(CAudioPlayer* ap) {
 505     ap->mAndroidObjType = INVALID_TYPE;
 506     ap->mpLock = NULL;
 507     ap->mPlaybackRate.mCapabilities = 0;
 508 }
 509
 510
 511 //-----------------------------------------------------------------------------
 512 /*
 513  * returns true if the given data sink is supported by AudioPlayer that don't
 514  *   play to an OutputMix object, false otherwise
 515  *
 516  * pre-condition: the locator of the audio sink is not SL_DATALOCATOR_OUTPUTMIX
 517  */
 518 bool audioPlayer_isSupportedNonOutputMixSink(const SLDataSink* pAudioSink) {
 519     bool result = true;
 520     const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSink->pLocator;
 521     const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSink->pFormat;
 522
 523     switch (sinkLocatorType) {
 524
 525     case SL_DATALOCATOR_BUFFERQUEUE:
 526     case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
 527         if (SL_DATAFORMAT_PCM != sinkFormatType) {
 528             SL_LOGE("Unsupported sink format 0x%x, expected SL_DATAFORMAT_PCM",
 529                     (unsigned)sinkFormatType);
 530             result = false;
 531         }
 532         // it's no use checking the PCM format fields because additional characteristics
 533         // such as the number of channels, or sample size are unknown to the player at this stage
 534         break;
 535
 536     default:
 537         SL_LOGE("Unsupported sink locator type 0x%x", (unsigned)sinkLocatorType);
 538         result = false;
 539         break;
 540     }
 541
 542     return result;
 543 }
 544
 545
 546 //-----------------------------------------------------------------------------
 547 /*
 548  * returns the Android object type if the locator type combinations for the source and sinks
 549  *   are supported by this implementation, INVALID_TYPE otherwise
 550  */
 551 AndroidObject_type audioPlayer_getAndroidObjectTypeForSourceSink(CAudioPlayer *ap) {
 552
 553     const SLDataSource *pAudioSrc = &ap->mDataSource.u.mSource;
 554     const SLDataSink *pAudioSnk = &ap->mDataSink.u.mSink;
 555     const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator;
 556     const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator;
 557     AndroidObject_type type = INVALID_TYPE;
 558
 559     //--------------------------------------
 560     // Sink / source matching check:
 561     // the following source / sink combinations are supported
 562     //     SL_DATALOCATOR_BUFFERQUEUE                / SL_DATALOCATOR_OUTPUTMIX
 563     //     SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE   / SL_DATALOCATOR_OUTPUTMIX
 564     //     SL_DATALOCATOR_URI                        / SL_DATALOCATOR_OUTPUTMIX
 565     //     SL_DATALOCATOR_ANDROIDFD                  / SL_DATALOCATOR_OUTPUTMIX
 566     //     SL_DATALOCATOR_ANDROIDBUFFERQUEUE         / SL_DATALOCATOR_OUTPUTMIX
 567     //     SL_DATALOCATOR_URI                        / SL_DATALOCATOR_BUFFERQUEUE
 568     //     SL_DATALOCATOR_ANDROIDFD                  / SL_DATALOCATOR_BUFFERQUEUE
 569     //     SL_DATALOCATOR_URI                        / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
 570     //     SL_DATALOCATOR_ANDROIDFD                  / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
 571     switch (sinkLocatorType) {
 572
 573     case SL_DATALOCATOR_OUTPUTMIX: {
 574         switch (sourceLocatorType) {
 575
 576         //   Buffer Queue to AudioTrack
 577         case SL_DATALOCATOR_BUFFERQUEUE:
 578         case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
 579             type = A_PLR_PCM_BQ;
 580             break;
 581
 582         //   URI or FD to MediaPlayer
 583         case SL_DATALOCATOR_URI:
 584         case SL_DATALOCATOR_ANDROIDFD:
 585             type = A_PLR_URIFD;
 586             break;
 587
 588         //   Android BufferQueue to MediaPlayer (shared memory streaming)
 589         case SL_DATALOCATOR_ANDROIDBUFFERQUEUE:
 590             type = A_PLR_TS_ABQ;
 591             break;
 592
 593         default:
 594             SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_OUTPUTMIX sink",
 595                     (unsigned)sourceLocatorType);
 596             break;
 597         }
 598         }
 599         break;
 600
 601     case SL_DATALOCATOR_BUFFERQUEUE:
 602     case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
 603         switch (sourceLocatorType) {
 604
 605         //   URI or FD decoded to PCM in a buffer queue
 606         case SL_DATALOCATOR_URI:
 607         case SL_DATALOCATOR_ANDROIDFD:
 608             type = A_PLR_URIFD_ASQ;
 609             break;
 610
 611         default:
 612             SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_BUFFERQUEUE sink",
 613                     (unsigned)sourceLocatorType);
 614             break;
 615         }
 616         break;
 617
 618     default:
 619         SL_LOGE("Sink data locator 0x%x not supported", (unsigned)sinkLocatorType);
 620         break;
 621     }
 622
 623     return type;
 624 }
 625
 626
 627 //-----------------------------------------------------------------------------
 628 static void sfplayer_prepare(CAudioPlayer *ap, bool lockAP) {
 629
 630     if (lockAP) { object_lock_exclusive(&ap->mObject); }
 631     ap->mAndroidObjState = ANDROID_PREPARING;
 632     if (lockAP) { object_unlock_exclusive(&ap->mObject); }
 633
 634     if (ap->mSfPlayer != 0) {
 635         ap->mSfPlayer->prepare();
 636     }
 637 }
 638
 639 //-----------------------------------------------------------------------------
 640 // Callback associated with an SfPlayer of an SL ES AudioPlayer that gets its data
 641 // from a URI or FD, for prepare and prefetch events
 642 static void sfplayer_handlePrefetchEvent(int event, int data1, int data2, void* user) {
 643     if (NULL == user) {
 644         return;
 645     }
 646
 647     CAudioPlayer *ap = (CAudioPlayer *)user;
 648     //SL_LOGV("received event %d, data %d from SfAudioPlayer", event, data1);
 649     switch(event) {
 650
 651     case android::GenericPlayer::kEventPrepared: {
 652
 653         if (PLAYER_SUCCESS != data1) {
 654             object_lock_exclusive(&ap->mObject);
 655
 656             ap->mAudioTrack = NULL;
 657             ap->mNumChannels = 0;
 658             ap->mSampleRateMilliHz = 0;
 659             ap->mAndroidObjState = ANDROID_UNINITIALIZED;
 660
 661             object_unlock_exclusive(&ap->mObject);
 662
 663             // SfPlayer prepare() failed prefetching, there is no event in SLPrefetchStatus to
 664             //  indicate a prefetch error, so we signal it by sending simulataneously two events:
 665             //  - SL_PREFETCHEVENT_FILLLEVELCHANGE with a level of 0
 666             //  - SL_PREFETCHEVENT_STATUSCHANGE with a status of SL_PREFETCHSTATUS_UNDERFLOW
 667             SL_LOGE(ERROR_PLAYER_PREFETCH_d, data1);
 668             if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
 669                 break;
 670             }
 671
 672             slPrefetchCallback callback = NULL;
 673             void* callbackPContext = NULL;
 674
 675             interface_lock_exclusive(&ap->mPrefetchStatus);
 676             ap->mPrefetchStatus.mLevel = 0;
 677             ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW;
 678             if ((ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE)
 679                     && (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE)) {
 680                 callback = ap->mPrefetchStatus.mCallback;
 681                 callbackPContext = ap->mPrefetchStatus.mContext;
 682             }
 683             interface_unlock_exclusive(&ap->mPrefetchStatus);
 684
 685             // callback with no lock held
 686             if (NULL != callback) {
 687                 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext,
 688                         SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE);
 689             }
 690
 691
 692         } else {
 693             object_lock_exclusive(&ap->mObject);
 694
 695             if (A_PLR_URIFD == ap->mAndroidObjType) {
 696                 ap->mAudioTrack = ap->mSfPlayer->getAudioTrack();
 697                 ap->mNumChannels = ap->mSfPlayer->getNumChannels();
 698                 ap->mSampleRateMilliHz =
 699                         android_to_sles_sampleRate(ap->mSfPlayer->getSampleRateHz());
 700                 ap->mSfPlayer->startPrefetch_async();
 701                 // update the new track with the current settings
 702                 audioPlayer_auxEffectUpdate(ap);
 703                 android_audioPlayer_useEventMask(ap);
 704                 android_audioPlayer_volumeUpdate(ap);
 705                 android_audioPlayer_setPlayRate(ap, ap->mPlaybackRate.mRate, false /*lockAP*/);
 706             } else if (A_PLR_PCM_BQ == ap->mAndroidObjType) {
 707                 ((android::AudioToCbRenderer*)ap->mAPlayer.get())->startPrefetch_async();
 708             } else if (A_PLR_TS_ABQ == ap->mAndroidObjType) {
 709                 SL_LOGD("Received SfPlayer::kEventPrepared from AVPlayer for CAudioPlayer %p", ap);
 710             }
 711
 712             ap->mAndroidObjState = ANDROID_READY;
 713
 714             object_unlock_exclusive(&ap->mObject);
 715         }
 716
 717     }
 718     break;
 719
 720     case android::SfPlayer::kEventNewAudioTrack: {
 721         object_lock_exclusive(&ap->mObject);
 722 #if 1
 723         // SfPlayer has a new AudioTrack, update our pointer copy and configure the new one before
 724         // starting to use it
 725 #else
 726         // SfPlayer has a new AudioTrack, delete the old one and configure the new one before
 727         // starting to use it
 728
 729         if (NULL != ap->mAudioTrack) {
 730             delete ap->mAudioTrack;
 731             ap->mAudioTrack = NULL;
 732         }
 733 #endif
 734         ap->mAudioTrack = ap->mSfPlayer->getAudioTrack();
 735         ap->mNumChannels = ap->mSfPlayer->getNumChannels();
 736         ap->mSampleRateMilliHz = android_to_sles_sampleRate(ap->mSfPlayer->getSampleRateHz());
 737
 738         // update the new track with the current settings
 739         audioPlayer_auxEffectUpdate(ap);
 740         android_audioPlayer_useEventMask(ap);
 741         android_audioPlayer_volumeUpdate(ap);
 742         android_audioPlayer_setPlayRate(ap, ap->mPlaybackRate.mRate, false /*lockAP*/);
 743
 744         object_unlock_exclusive(&ap->mObject);
 745     }
 746     break;
 747
 748     case android::SfPlayer::kEventPrefetchFillLevelUpdate : {
 749         if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
 750             break;
 751         }
 752         slPrefetchCallback callback = NULL;
 753         void* callbackPContext = NULL;
 754
 755         // SLPrefetchStatusItf callback or no callback?
 756         interface_lock_exclusive(&ap->mPrefetchStatus);
 757         if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE) {
 758             callback = ap->mPrefetchStatus.mCallback;
 759             callbackPContext = ap->mPrefetchStatus.mContext;
 760         }
 761         ap->mPrefetchStatus.mLevel = (SLpermille)data1;
 762         interface_unlock_exclusive(&ap->mPrefetchStatus);
 763
 764         // callback with no lock held
 765         if (NULL != callback) {
 766             (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext,
 767                     SL_PREFETCHEVENT_FILLLEVELCHANGE);
 768         }
 769     }
 770     break;
 771
 772     case android::SfPlayer::kEventPrefetchStatusChange: {
 773         if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
 774             break;
 775         }
 776         slPrefetchCallback callback = NULL;
 777         void* callbackPContext = NULL;
 778
 779         // SLPrefetchStatusItf callback or no callback?
 780         object_lock_exclusive(&ap->mObject);
 781         if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) {
 782             callback = ap->mPrefetchStatus.mCallback;
 783             callbackPContext = ap->mPrefetchStatus.mContext;
 784         }
 785         if (data1 >= android::SfPlayer::kStatusIntermediate) {
 786             ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA;
 787             // FIXME estimate fill level better?
 788             ap->mPrefetchStatus.mLevel = 1000;
 789             ap->mAndroidObjState = ANDROID_READY;
 790         } else if (data1 < android::SfPlayer::kStatusIntermediate) {
 791             ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW;
 792             // FIXME estimate fill level better?
 793             ap->mPrefetchStatus.mLevel = 0;
 794         }
 795         object_unlock_exclusive(&ap->mObject);
 796
 797         // callback with no lock held
 798         if (NULL != callback) {
 799             (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, SL_PREFETCHEVENT_STATUSCHANGE);
 800         }
 801         }
 802         break;
 803
 804     case android::SfPlayer::kEventEndOfStream: {
 805         audioPlayer_dispatch_headAtEnd_lockPlay(ap, true /*set state to paused?*/, true);
 806         if ((NULL != ap->mAudioTrack) && (!ap->mSeek.mLoopEnabled)) {
 807             ap->mAudioTrack->stop();
 808         }
 809         }
 810         break;
 811
 812     default:
 813         break;
 814     }
 815 }
 816
 817
 818 //-----------------------------------------------------------------------------
 819 SLresult android_audioPlayer_checkSourceSink(CAudioPlayer *pAudioPlayer)
 820 {
 821     // verify that the locator types for the source / sink combination is supported
 822     pAudioPlayer->mAndroidObjType = audioPlayer_getAndroidObjectTypeForSourceSink(pAudioPlayer);
 823     if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) {
 824         return SL_RESULT_PARAMETER_INVALID;
 825     }
 826
 827     const SLDataSource *pAudioSrc = &pAudioPlayer->mDataSource.u.mSource;
 828     const SLDataSink *pAudioSnk = &pAudioPlayer->mDataSink.u.mSink;
 829
 830     // format check:
 831     const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator;
 832     const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator;
 833     const SLuint32 sourceFormatType = *(SLuint32 *)pAudioSrc->pFormat;
 834     const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSnk->pFormat;
 835
 836     switch (sourceLocatorType) {
 837     //------------------
 838     //   Buffer Queues
 839     case SL_DATALOCATOR_BUFFERQUEUE:
 840     case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
 841         {
 842         SLDataLocator_BufferQueue *dl_bq =  (SLDataLocator_BufferQueue *) pAudioSrc->pLocator;
 843
 844         // Buffer format
 845         switch (sourceFormatType) {
 846         //     currently only PCM buffer queues are supported,
 847         case SL_DATAFORMAT_PCM: {
 848             SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) pAudioSrc->pFormat;
 849             switch (df_pcm->numChannels) {
 850             case 1:
 851             case 2:
 852                 break;
 853             default:
 854                 // this should have already been rejected by checkDataFormat
 855                 SL_LOGE("Cannot create audio player: unsupported " \
 856                     "PCM data source with %u channels", (unsigned) df_pcm->numChannels);
 857                 return SL_RESULT_CONTENT_UNSUPPORTED;
 858             }
 859             switch (df_pcm->samplesPerSec) {
 860             case SL_SAMPLINGRATE_8:
 861             case SL_SAMPLINGRATE_11_025:
 862             case SL_SAMPLINGRATE_12:
 863             case SL_SAMPLINGRATE_16:
 864             case SL_SAMPLINGRATE_22_05:
 865             case SL_SAMPLINGRATE_24:
 866             case SL_SAMPLINGRATE_32:
 867             case SL_SAMPLINGRATE_44_1:
 868             case SL_SAMPLINGRATE_48:
 869                 break;
 870             case SL_SAMPLINGRATE_64:
 871             case SL_SAMPLINGRATE_88_2:
 872             case SL_SAMPLINGRATE_96:
 873             case SL_SAMPLINGRATE_192:
 874             default:
 875                 SL_LOGE("Cannot create audio player: unsupported sample rate %u milliHz",
 876                     (unsigned) df_pcm->samplesPerSec);
 877                 return SL_RESULT_CONTENT_UNSUPPORTED;
 878             }
 879             switch (df_pcm->bitsPerSample) {
 880             case SL_PCMSAMPLEFORMAT_FIXED_8:
 881                 // FIXME We should support this
 882                 //SL_LOGE("Cannot create audio player: unsupported 8-bit data");
 883                 //return SL_RESULT_CONTENT_UNSUPPORTED;
 884             case SL_PCMSAMPLEFORMAT_FIXED_16:
 885                 break;
 886                 // others
 887             default:
 888                 // this should have already been rejected by checkDataFormat
 889                 SL_LOGE("Cannot create audio player: unsupported sample bit depth %lu",
 890                         (SLuint32)df_pcm->bitsPerSample);
 891                 return SL_RESULT_CONTENT_UNSUPPORTED;
 892             }
 893             switch (df_pcm->containerSize) {
 894             case 8:
 895             case 16:
 896                 break;
 897                 // others
 898             default:
 899                 SL_LOGE("Cannot create audio player: unsupported container size %u",
 900                     (unsigned) df_pcm->containerSize);
 901                 return SL_RESULT_CONTENT_UNSUPPORTED;
 902             }
 903             switch (df_pcm->channelMask) {
 904                 // FIXME needs work
 905             default:
 906                 break;
 907             }
 908             switch (df_pcm->endianness) {
 909             case SL_BYTEORDER_LITTLEENDIAN:
 910                 break;
 911             case SL_BYTEORDER_BIGENDIAN:
 912                 SL_LOGE("Cannot create audio player: unsupported big-endian byte order");
 913                 return SL_RESULT_CONTENT_UNSUPPORTED;
 914                 // native is proposed but not yet in spec
 915             default:
 916                 SL_LOGE("Cannot create audio player: unsupported byte order %u",
 917                     (unsigned) df_pcm->endianness);
 918                 return SL_RESULT_CONTENT_UNSUPPORTED;
 919             }
 920             } //case SL_DATAFORMAT_PCM
 921             break;
 922         case SL_DATAFORMAT_MIME:
 923         case XA_DATAFORMAT_RAWIMAGE:
 924             SL_LOGE("Cannot create audio player with buffer queue data source "
 925                 "without SL_DATAFORMAT_PCM format");
 926             return SL_RESULT_CONTENT_UNSUPPORTED;
 927         default:
 928             // invalid data format is detected earlier
 929             assert(false);
 930             return SL_RESULT_INTERNAL_ERROR;
 931         } // switch (sourceFormatType)
 932         } // case SL_DATALOCATOR_BUFFERQUEUE or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
 933         break;
 934     //------------------
 935     //   URI
 936     case SL_DATALOCATOR_URI:
 937         {
 938         SLDataLocator_URI *dl_uri =  (SLDataLocator_URI *) pAudioSrc->pLocator;
 939         if (NULL == dl_uri->URI) {
 940             return SL_RESULT_PARAMETER_INVALID;
 941         }
 942         // URI format
 943         switch (sourceFormatType) {
 944         case SL_DATAFORMAT_MIME:
 945             break;
 946         case SL_DATAFORMAT_PCM:
 947         case XA_DATAFORMAT_RAWIMAGE:
 948             SL_LOGE("Cannot create audio player with SL_DATALOCATOR_URI data source without "
 949                 "SL_DATAFORMAT_MIME format");
 950             return SL_RESULT_CONTENT_UNSUPPORTED;
 951         } // switch (sourceFormatType)
 952         // decoding format check
 953         if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) &&
 954                 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) {
 955             return SL_RESULT_CONTENT_UNSUPPORTED;
 956         }
 957         } // case SL_DATALOCATOR_URI
 958         break;
 959     //------------------
 960     //   File Descriptor
 961     case SL_DATALOCATOR_ANDROIDFD:
 962         {
 963         // fd is already non null
 964         switch (sourceFormatType) {
 965         case SL_DATAFORMAT_MIME:
 966             break;
 967         case SL_DATAFORMAT_PCM:
 968             // FIXME implement
 969             SL_LOGD("[ FIXME implement PCM FD data sources ]");
 970             break;
 971         case XA_DATAFORMAT_RAWIMAGE:
 972             SL_LOGE("Cannot create audio player with SL_DATALOCATOR_ANDROIDFD data source "
 973                 "without SL_DATAFORMAT_MIME or SL_DATAFORMAT_PCM format");
 974             return SL_RESULT_CONTENT_UNSUPPORTED;
 975         default:
 976             // invalid data format is detected earlier
 977             assert(false);
 978             return SL_RESULT_INTERNAL_ERROR;
 979         } // switch (sourceFormatType)
 980         if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) &&
 981                 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) {
 982             return SL_RESULT_CONTENT_UNSUPPORTED;
 983         }
 984         } // case SL_DATALOCATOR_ANDROIDFD
 985         break;
 986     //------------------
 987     //   Stream
 988     case SL_DATALOCATOR_ANDROIDBUFFERQUEUE:
 989     {
 990         switch (sourceFormatType) {
 991         case SL_DATAFORMAT_MIME:
 992         {
 993             SLDataFormat_MIME *df_mime = (SLDataFormat_MIME *) pAudioSrc->pFormat;
 994             if (SL_CONTAINERTYPE_MPEG_TS != df_mime->containerType) {
 995                 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source "
 996                         "that is not fed MPEG-2 TS data");
 997                 return SL_RESULT_CONTENT_UNSUPPORTED;
 998             }
 999         }
1000         break;
1001         default:
1002             SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source "
1003                     "without SL_DATAFORMAT_MIME format");
1004             return SL_RESULT_CONTENT_UNSUPPORTED;
1005         }
1006     }
1007     break; // case SL_DATALOCATOR_ANDROIDBUFFERQUEUE
1008     //------------------
1009     //   Address
1010     case SL_DATALOCATOR_ADDRESS:
1011     case SL_DATALOCATOR_IODEVICE:
1012     case SL_DATALOCATOR_OUTPUTMIX:
1013     case XA_DATALOCATOR_NATIVEDISPLAY:
1014     case SL_DATALOCATOR_MIDIBUFFERQUEUE:
1015         SL_LOGE("Cannot create audio player with data locator type 0x%x",
1016                 (unsigned) sourceLocatorType);
1017         return SL_RESULT_CONTENT_UNSUPPORTED;
1018     default:
1019         SL_LOGE("Cannot create audio player with invalid data locator type 0x%x",
1020                 (unsigned) sourceLocatorType);
1021         return SL_RESULT_PARAMETER_INVALID;
1022     }// switch (locatorType)
1023
1024     return SL_RESULT_SUCCESS;
1025 }
1026
1027
1028
1029 //-----------------------------------------------------------------------------
1030 static void audioTrack_callBack_uri(int event, void* user, void *info) {
1031     // EVENT_MORE_DATA needs to be handled with priority over the other events
1032     // because it will be called the most often during playback
1033     if (event == android::AudioTrack::EVENT_MORE_DATA) {
1034         //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack");
1035         // set size to 0 to signal we're not using the callback to write more data
1036         android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info;
1037         pBuff->size = 0;
1038     } else if (NULL != user) {
1039         switch (event) {
1040             case android::AudioTrack::EVENT_MARKER :
1041                 audioTrack_handleMarker_lockPlay((CAudioPlayer *)user);
1042                 break;
1043             case android::AudioTrack::EVENT_NEW_POS :
1044                 audioTrack_handleNewPos_lockPlay((CAudioPlayer *)user);
1045                 break;
1046             case android::AudioTrack::EVENT_UNDERRUN :
1047                 audioTrack_handleUnderrun_lockPlay((CAudioPlayer *)user);
1048                 break;
1049             case android::AudioTrack::EVENT_BUFFER_END :
1050             case android::AudioTrack::EVENT_LOOP_END :
1051                 break;
1052             default:
1053                 SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event,
1054                         (CAudioPlayer *)user);
1055                 break;
1056         }
1057     }
1058 }
1059
1060 //-----------------------------------------------------------------------------
1061 // Callback associated with an AudioTrack of an SL ES AudioPlayer that gets its data
1062 // from a buffer queue.
1063 static void audioTrack_callBack_pullFromBuffQueue(int event, void* user, void *info) {
1064     CAudioPlayer *ap = (CAudioPlayer *)user;
1065     void * callbackPContext = NULL;
1066     switch(event) {
1067
1068     case android::AudioTrack::EVENT_MORE_DATA: {
1069         //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack");
1070         slBufferQueueCallback callback = NULL;
1071         android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info;
1072         // retrieve data from the buffer queue
1073         interface_lock_exclusive(&ap->mBufferQueue);
1074         if (ap->mBufferQueue.mState.count != 0) {
1075             //SL_LOGV("nbBuffers in queue = %lu",ap->mBufferQueue.mState.count);
1076             assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear);
1077
1078             BufferHeader *oldFront = ap->mBufferQueue.mFront;
1079             BufferHeader *newFront = &oldFront[1];
1080
1081             // FIXME handle 8bit based on buffer format
1082             short *pSrc = (short*)((char *)oldFront->mBuffer
1083                     + ap->mBufferQueue.mSizeConsumed);
1084             if (ap->mBufferQueue.mSizeConsumed + pBuff->size < oldFront->mSize) {
1085                 // can't consume the whole or rest of the buffer in one shot
1086                 ap->mBufferQueue.mSizeConsumed += pBuff->size;
1087                 // leave pBuff->size untouched
1088                 // consume data
1089                 // FIXME can we avoid holding the lock during the copy?
1090                 memcpy (pBuff->i16, pSrc, pBuff->size);
1091             } else {
1092                 // finish consuming the buffer or consume the buffer in one shot
1093                 pBuff->size = oldFront->mSize - ap->mBufferQueue.mSizeConsumed;
1094                 ap->mBufferQueue.mSizeConsumed = 0;
1095
1096                 if (newFront ==
1097                         &ap->mBufferQueue.mArray
1098                             [ap->mBufferQueue.mNumBuffers + 1])
1099                 {
1100                     newFront = ap->mBufferQueue.mArray;
1101                 }
1102                 ap->mBufferQueue.mFront = newFront;
1103
1104                 ap->mBufferQueue.mState.count--;
1105                 ap->mBufferQueue.mState.playIndex++;
1106
1107                 // consume data
1108                 // FIXME can we avoid holding the lock during the copy?
1109                 memcpy (pBuff->i16, pSrc, pBuff->size);
1110
1111                 // data has been consumed, and the buffer queue state has been updated
1112                 // we will notify the client if applicable
1113                 callback = ap->mBufferQueue.mCallback;
1114                 // save callback data
1115                 callbackPContext = ap->mBufferQueue.mContext;
1116             }
1117         } else { // empty queue
1118             // signal no data available
1119             pBuff->size = 0;
1120
1121             // signal we're at the end of the content, but don't pause (see note in function)
1122             audioPlayer_dispatch_headAtEnd_lockPlay(ap, false /*set state to paused?*/, false);
1123
1124             // signal underflow to prefetch status itf
1125             if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
1126                 audioPlayer_dispatch_prefetchStatus_lockPrefetch(ap, SL_PREFETCHSTATUS_UNDERFLOW,
1127                     false);
1128             }
1129
1130             // stop the track so it restarts playing faster when new data is enqueued
1131             ap->mAudioTrack->stop();
1132         }
1133         interface_unlock_exclusive(&ap->mBufferQueue);
1134         // notify client
1135         if (NULL != callback) {
1136             (*callback)(&ap->mBufferQueue.mItf, callbackPContext);
1137         }
1138     }
1139     break;
1140
1141     case android::AudioTrack::EVENT_MARKER:
1142         audioTrack_handleMarker_lockPlay(ap);
1143         break;
1144
1145     case android::AudioTrack::EVENT_NEW_POS:
1146         audioTrack_handleNewPos_lockPlay(ap);
1147         break;
1148
1149     case android::AudioTrack::EVENT_UNDERRUN:
1150         audioTrack_handleUnderrun_lockPlay(ap);
1151         break;
1152
1153     default:
1154         // FIXME where does the notification of SL_PLAYEVENT_HEADMOVING fit?
1155         SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event,
1156                 (CAudioPlayer *)user);
1157         break;
1158     }
1159 }
1160
1161
1162 //-----------------------------------------------------------------------------
1163 SLresult android_audioPlayer_create(CAudioPlayer *pAudioPlayer) {
1164
1165     SLresult result = SL_RESULT_SUCCESS;
1166     // pAudioPlayer->mAndroidObjType has been set in audioPlayer_getAndroidObjectTypeForSourceSink()
1167     if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) {
1168         audioPlayer_setInvalid(pAudioPlayer);
1169         result = SL_RESULT_PARAMETER_INVALID;
1170     } else {
1171
1172         pAudioPlayer->mpLock = new android::Mutex();
1173         pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED;
1174         pAudioPlayer->mStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE;
1175         pAudioPlayer->mAudioTrack = NULL;
1176         // not needed, as placement new (explicit constructor) already does this
1177         // pAudioPlayer->mSfPlayer.clear();
1178
1179         pAudioPlayer->mSessionId = android::AudioSystem::newAudioSessionId();
1180
1181         pAudioPlayer->mAmplFromVolLevel = 1.0f;
1182         pAudioPlayer->mAmplFromStereoPos[0] = 1.0f;
1183         pAudioPlayer->mAmplFromStereoPos[1] = 1.0f;
1184         pAudioPlayer->mDirectLevel = 0; // no attenuation
1185         pAudioPlayer->mAmplFromDirectLevel = 1.0f; // matches initial mDirectLevel value
1186         pAudioPlayer->mAuxSendLevel = 0;
1187
1188         // initialize interface-specific fields that can be used regardless of whether the
1189         // interface is exposed on the AudioPlayer or not
1190         // (empty section, as all initializations are the same as the defaults)
1191     }
1192
1193     return result;
1194 }
1195
1196
1197 //-----------------------------------------------------------------------------
1198 SLresult android_audioPlayer_setConfig(CAudioPlayer *ap, const SLchar *configKey,
1199         const void *pConfigValue, SLuint32 valueSize) {
1200
1201     SLresult result = SL_RESULT_SUCCESS;
1202
1203     if (NULL == ap) {
1204         result = SL_RESULT_INTERNAL_ERROR;
1205     } else if (NULL == pConfigValue) {
1206         SL_LOGE(ERROR_CONFIG_NULL_PARAM);
1207         result = SL_RESULT_PARAMETER_INVALID;
1208
1209     } else if(strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) {
1210
1211         // stream type
1212         if (KEY_STREAM_TYPE_PARAMSIZE > valueSize) {
1213             SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW);
1214             result = SL_RESULT_PARAMETER_INVALID;
1215         } else {
1216             result = audioPlayer_setStreamType(ap, *(SLuint32*)pConfigValue);
1217         }
1218
1219     } else {
1220         SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY);
1221         result = SL_RESULT_PARAMETER_INVALID;
1222     }
1223
1224     return result;
1225 }
1226
1227
1228 //-----------------------------------------------------------------------------
1229 SLresult android_audioPlayer_getConfig(CAudioPlayer* ap, const SLchar *configKey,
1230         SLuint32* pValueSize, void *pConfigValue) {
1231
1232     SLresult result = SL_RESULT_SUCCESS;
1233
1234     if (NULL == ap) {
1235         return SL_RESULT_INTERNAL_ERROR;
1236     } else if (NULL == pValueSize) {
1237         SL_LOGE(ERROR_CONFIG_NULL_PARAM);
1238         result = SL_RESULT_PARAMETER_INVALID;
1239
1240     } else if(strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) {
1241
1242         // stream type
1243         if (KEY_STREAM_TYPE_PARAMSIZE > *pValueSize) {
1244             SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW);
1245             result = SL_RESULT_PARAMETER_INVALID;
1246         } else {
1247             *pValueSize = KEY_STREAM_TYPE_PARAMSIZE;
1248             if (NULL != pConfigValue) {
1249                 result = audioPlayer_getStreamType(ap, (SLint32*)pConfigValue);
1250             }
1251         }
1252
1253     } else {
1254         SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY);
1255         result = SL_RESULT_PARAMETER_INVALID;
1256     }
1257
1258     return result;
1259 }
1260
1261
1262 //-----------------------------------------------------------------------------
1263 SLresult android_audioPlayer_realize(CAudioPlayer *pAudioPlayer, SLboolean async) {
1264
1265     SLresult result = SL_RESULT_SUCCESS;
1266     SL_LOGV("Realize pAudioPlayer=%p", pAudioPlayer);
1267
1268     switch (pAudioPlayer->mAndroidObjType) {
1269     //-----------------------------------
1270     // AudioTrack
1271     case A_PLR_PCM_BQ:
1272         {
1273         // initialize platform-specific CAudioPlayer fields
1274
1275         SLDataLocator_BufferQueue *dl_bq =  (SLDataLocator_BufferQueue *)
1276                 pAudioPlayer->mDynamicSource.mDataSource;
1277         SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *)
1278                 pAudioPlayer->mDynamicSource.mDataSource->pFormat;
1279
1280         uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec);
1281
1282         pAudioPlayer->mAudioTrack = new android::AudioTrack(
1283                 pAudioPlayer->mStreamType,                           // streamType
1284                 sampleRate,                                          // sampleRate
1285                 sles_to_android_sampleFormat(df_pcm->bitsPerSample), // format
1286                 sles_to_android_channelMaskOut(df_pcm->numChannels, df_pcm->channelMask),
1287                                                                      //channel mask
1288                 0,                                                   // frameCount (here min)
1289                 0,                                                   // flags
1290                 audioTrack_callBack_pullFromBuffQueue,               // callback
1291                 (void *) pAudioPlayer,                               // user
1292                 0      // FIXME find appropriate frame count         // notificationFrame
1293                 , pAudioPlayer->mSessionId
1294                 );
1295         android::status_t status = pAudioPlayer->mAudioTrack->initCheck();
1296         if (status != android::NO_ERROR) {
1297             SL_LOGE("AudioTrack::initCheck status %u", status);
1298             result = SL_RESULT_CONTENT_UNSUPPORTED;
1299         }
1300
1301         // initialize platform-independent CAudioPlayer fields
1302
1303         pAudioPlayer->mNumChannels = df_pcm->numChannels;
1304         pAudioPlayer->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES
1305
1306         pAudioPlayer->mAndroidObjState = ANDROID_READY;
1307         }
1308         break;
1309     //-----------------------------------
1310     // MediaPlayer
1311     case A_PLR_URIFD: {
1312         object_lock_exclusive(&pAudioPlayer->mObject);
1313
1314         pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED;
1315         pAudioPlayer->mNumChannels = 0;
1316         pAudioPlayer->mSampleRateMilliHz = 0;
1317         pAudioPlayer->mAudioTrack = NULL;
1318
1319         AudioPlayback_Parameters app;
1320         app.sessionId = pAudioPlayer->mSessionId;
1321         app.streamType = pAudioPlayer->mStreamType;
1322         app.trackcb = audioTrack_callBack_uri;
1323         app.trackcbUser = (void *) pAudioPlayer;
1324
1325         pAudioPlayer->mSfPlayer = new android::SfPlayer(&app);
1326         pAudioPlayer->mSfPlayer->setNotifListener(sfplayer_handlePrefetchEvent,
1327                         (void*)pAudioPlayer /*notifUSer*/);
1328         pAudioPlayer->mSfPlayer->armLooper();
1329
1330         object_unlock_exclusive(&pAudioPlayer->mObject);
1331
1332         switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) {
1333             case SL_DATALOCATOR_URI:
1334                 pAudioPlayer->mSfPlayer->setDataSource(
1335                         (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI);
1336                 break;
1337             case SL_DATALOCATOR_ANDROIDFD: {
1338                 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset;
1339                 pAudioPlayer->mSfPlayer->setDataSource(
1340                         (int)pAudioPlayer->mDataSource.mLocator.mFD.fd,
1341                         offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ?
1342                                 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset,
1343                         (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length);
1344                 }
1345                 break;
1346             default:
1347                 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR);
1348                 break;
1349         }
1350
1351         }
1352         break;
1353     //-----------------------------------
1354     // StreamPlayer
1355     case A_PLR_TS_ABQ: {
1356         object_lock_exclusive(&pAudioPlayer->mObject);
1357
1358         android_StreamPlayer_realize_l(pAudioPlayer, sfplayer_handlePrefetchEvent,
1359                 (void*)pAudioPlayer);
1360
1361         object_unlock_exclusive(&pAudioPlayer->mObject);
1362         }
1363         break;
1364     //-----------------------------------
1365     // AudioToCbRenderer
1366     case A_PLR_URIFD_ASQ: {
1367         object_lock_exclusive(&pAudioPlayer->mObject);
1368
1369         AudioPlayback_Parameters app;
1370         app.sessionId = pAudioPlayer->mSessionId;
1371         app.streamType = pAudioPlayer->mStreamType;
1372
1373         android::AudioToCbRenderer* decoder = new android::AudioToCbRenderer(&app);
1374         pAudioPlayer->mAPlayer = decoder;
1375         decoder->setDataPushListener(adecoder_writeToBufferQueue, (void*)pAudioPlayer);
1376         decoder->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer);
1377
1378         switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) {
1379         case SL_DATALOCATOR_URI:
1380             decoder->setDataSource(
1381                     (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI);
1382             break;
1383         case SL_DATALOCATOR_ANDROIDFD: {
1384             int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset;
1385             decoder->setDataSource(
1386                     (int)pAudioPlayer->mDataSource.mLocator.mFD.fd,
1387                     offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ?
1388                             (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset,
1389                             (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length);
1390             }
1391             break;
1392         default:
1393             SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR);
1394             break;
1395         }
1396
1397         object_unlock_exclusive(&pAudioPlayer->mObject);
1398         }
1399         break;
1400     //-----------------------------------
1401     default:
1402         SL_LOGE(ERROR_PLAYERREALIZE_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType);
1403         result = SL_RESULT_INTERNAL_ERROR;
1404         break;
1405     }
1406
1407
1408     // proceed with effect initialization
1409     // initialize EQ
1410     // FIXME use a table of effect descriptors when adding support for more effects
1411     if (memcmp(SL_IID_EQUALIZER, &pAudioPlayer->mEqualizer.mEqDescriptor.type,
1412             sizeof(effect_uuid_t)) == 0) {
1413         SL_LOGV("Need to initialize EQ for AudioPlayer=%p", pAudioPlayer);
1414         android_eq_init(pAudioPlayer->mSessionId, &pAudioPlayer->mEqualizer);
1415     }
1416     // initialize BassBoost
1417     if (memcmp(SL_IID_BASSBOOST, &pAudioPlayer->mBassBoost.mBassBoostDescriptor.type,
1418             sizeof(effect_uuid_t)) == 0) {
1419         SL_LOGV("Need to initialize BassBoost for AudioPlayer=%p", pAudioPlayer);
1420         android_bb_init(pAudioPlayer->mSessionId, &pAudioPlayer->mBassBoost);
1421     }
1422     // initialize Virtualizer
1423     if (memcmp(SL_IID_VIRTUALIZER, &pAudioPlayer->mVirtualizer.mVirtualizerDescriptor.type,
1424                sizeof(effect_uuid_t)) == 0) {
1425         SL_LOGV("Need to initialize Virtualizer for AudioPlayer=%p", pAudioPlayer);
1426         android_virt_init(pAudioPlayer->mSessionId, &pAudioPlayer->mVirtualizer);
1427     }
1428
1429     // initialize EffectSend
1430     // FIXME initialize EffectSend
1431
1432     return result;
1433 }
1434
1435
1436 //-----------------------------------------------------------------------------
1437 SLresult android_audioPlayer_destroy(CAudioPlayer *pAudioPlayer) {
1438     SLresult result = SL_RESULT_SUCCESS;
1439     SL_LOGV("android_audioPlayer_destroy(%p)", pAudioPlayer);
1440     switch (pAudioPlayer->mAndroidObjType) {
1441     //-----------------------------------
1442     // AudioTrack
1443     case A_PLR_PCM_BQ:
1444         // We own the audio track for PCM buffer queue players
1445         if (pAudioPlayer->mAudioTrack != NULL) {
1446             pAudioPlayer->mAudioTrack->stop();
1447             delete pAudioPlayer->mAudioTrack;
1448             pAudioPlayer->mAudioTrack = NULL;
1449         }
1450         break;
1451     //-----------------------------------
1452     // MediaPlayer
1453     case A_PLR_URIFD:
1454         // We don't own this audio track, SfPlayer does
1455         pAudioPlayer->mAudioTrack = NULL;
1456         // FIXME might no longer be needed since we call explicit destructor
1457         pAudioPlayer->mSfPlayer.clear();
1458         break;
1459     //-----------------------------------
1460     // StreamPlayer
1461     case A_PLR_TS_ABQ:                   // intended fall-through
1462     //-----------------------------------
1463     // AudioToCbRenderer
1464     case A_PLR_URIFD_ASQ:
1465         pAudioPlayer->mAPlayer.clear();
1466         break;
1467     //-----------------------------------
1468     default:
1469         SL_LOGE(ERROR_PLAYERDESTROY_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType);
1470         result = SL_RESULT_INTERNAL_ERROR;
1471         break;
1472     }
1473
1474     // FIXME might not be needed
1475     pAudioPlayer->mAndroidObjType = INVALID_TYPE;
1476
1477     // explicit destructor
1478     pAudioPlayer->mSfPlayer.~sp();
1479     pAudioPlayer->mAuxEffect.~sp();
1480     pAudioPlayer->mAPlayer.~sp();
1481
1482     if (pAudioPlayer->mpLock != NULL) {
1483         delete pAudioPlayer->mpLock;
1484         pAudioPlayer->mpLock = NULL;
1485     }
1486
1487     return result;
1488 }
1489
1490
1491 //-----------------------------------------------------------------------------
1492 SLresult android_audioPlayer_setPlayRate(CAudioPlayer *ap, SLpermille rate, bool lockAP) {
1493     SLresult result = SL_RESULT_SUCCESS;
1494     uint32_t contentRate = 0;
1495     switch(ap->mAndroidObjType) {
1496     case A_PLR_PCM_BQ:
1497     case A_PLR_URIFD: {
1498         // get the content sample rate
1499         if (lockAP) { object_lock_shared(&ap->mObject); }
1500         uint32_t contentRate = sles_to_android_sampleRate(ap->mSampleRateMilliHz);
1501         if (lockAP) { object_unlock_shared(&ap->mObject); }
1502         // apply the SL ES playback rate on the AudioTrack as a factor of its content sample rate
1503         if (ap->mAudioTrack != NULL) {
1504             ap->mAudioTrack->setSampleRate(contentRate * (rate/1000.0f));
1505         }
1506         }
1507         break;
1508
1509     default:
1510         SL_LOGE("Unexpected object type %d", ap->mAndroidObjType);
1511         result = SL_RESULT_INTERNAL_ERROR;
1512         break;
1513     }
1514     return result;
1515 }
1516
1517
1518 //-----------------------------------------------------------------------------
1519 // called with no lock held
1520 SLresult android_audioPlayer_setPlaybackRateBehavior(CAudioPlayer *ap,
1521         SLuint32 constraints) {
1522     SLresult result = SL_RESULT_SUCCESS;
1523     switch(ap->mAndroidObjType) {
1524     case A_PLR_PCM_BQ:
1525     case A_PLR_URIFD:
1526         if (constraints != (constraints & SL_RATEPROP_NOPITCHCORAUDIO)) {
1527             result = SL_RESULT_FEATURE_UNSUPPORTED;
1528         }
1529         break;
1530     default:
1531         SL_LOGE("Unexpected object type %d", ap->mAndroidObjType);
1532         result = SL_RESULT_INTERNAL_ERROR;
1533         break;
1534     }
1535     return result;
1536 }
1537
1538
1539 //-----------------------------------------------------------------------------
1540 // called with no lock held
1541 SLresult android_audioPlayer_getCapabilitiesOfRate(CAudioPlayer *ap,
1542         SLuint32 *pCapabilities) {
1543     switch(ap->mAndroidObjType) {
1544     case A_PLR_PCM_BQ:
1545     case A_PLR_URIFD:
1546         *pCapabilities = SL_RATEPROP_NOPITCHCORAUDIO;
1547         break;
1548     default:
1549         *pCapabilities = 0;
1550         break;
1551     }
1552     return SL_RESULT_SUCCESS;
1553 }
1554
1555
1556 //-----------------------------------------------------------------------------
1557 void android_audioPlayer_setPlayState(CAudioPlayer *ap, bool lockAP) {
1558
1559     if (lockAP) { object_lock_shared(&ap->mObject); }
1560     SLuint32 playState = ap->mPlay.mState;
1561     AndroidObject_state objState = ap->mAndroidObjState;
1562     if (lockAP) { object_unlock_shared(&ap->mObject); }
1563
1564     switch(ap->mAndroidObjType) {
1565     case A_PLR_PCM_BQ:
1566         switch (playState) {
1567         case SL_PLAYSTATE_STOPPED:
1568             SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED");
1569             if (NULL != ap->mAudioTrack) {
1570                 ap->mAudioTrack->stop();
1571             }
1572             break;
1573         case SL_PLAYSTATE_PAUSED:
1574             SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED");
1575             if (NULL != ap->mAudioTrack) {
1576                 ap->mAudioTrack->pause();
1577             }
1578             break;
1579         case SL_PLAYSTATE_PLAYING:
1580             SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING");
1581             if (NULL != ap->mAudioTrack) {
1582                 ap->mAudioTrack->start();
1583             }
1584             break;
1585         default:
1586             // checked by caller, should not happen
1587             break;
1588         }
1589         break;
1590
1591     case A_PLR_URIFD:
1592         switch (playState) {
1593         case SL_PLAYSTATE_STOPPED: {
1594             SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED");
1595             if (ap->mSfPlayer != 0) {
1596                 ap->mSfPlayer->stop();
1597             }
1598             }
1599             break;
1600         case SL_PLAYSTATE_PAUSED: {
1601             SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED");
1602             switch(objState) {
1603                 case ANDROID_UNINITIALIZED:
1604                     sfplayer_prepare(ap, lockAP);
1605                     break;
1606                 case ANDROID_PREPARING:
1607                     break;
1608                 case ANDROID_READY:
1609                     if (ap->mSfPlayer != 0) {
1610                         ap->mSfPlayer->pause();
1611                     }
1612                     break;
1613                 default:
1614                     break;
1615             }
1616             }
1617             break;
1618         case SL_PLAYSTATE_PLAYING: {
1619             SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING");
1620             switch(objState) {
1621                 case ANDROID_UNINITIALIZED:
1622                     sfplayer_prepare(ap, lockAP);
1623                     // fall through
1624                 case ANDROID_PREPARING:
1625                 case ANDROID_READY:
1626                     if (ap->mSfPlayer != 0) {
1627                         ap->mSfPlayer->play();
1628                     }
1629                     break;
1630                 default:
1631                     break;
1632             }
1633             }
1634             break;
1635
1636         default:
1637             // checked by caller, should not happen
1638             break;
1639         }
1640         break;
1641
1642     case A_PLR_TS_ABQ:     // intended fall-through
1643     case A_PLR_URIFD_ASQ:
1644         // FIXME report and use the return code to the lock mechanism, which is where play state
1645         //   changes are updated (see object_unlock_exclusive_attributes())
1646         aplayer_setPlayState(ap->mAPlayer, playState, &(ap->mAndroidObjState));
1647         break;
1648     default:
1649         SL_LOGE(ERROR_PLAYERSETPLAYSTATE_UNEXPECTED_OBJECT_TYPE_D, ap->mAndroidObjType);
1650         break;
1651     }
1652 }
1653
1654
1655 //-----------------------------------------------------------------------------
1656 void android_audioPlayer_useEventMask(CAudioPlayer *ap) {
1657     IPlay *pPlayItf = &ap->mPlay;
1658     SLuint32 eventFlags = pPlayItf->mEventFlags;
1659     /*switch(ap->mAndroidObjType) {
1660     case A_PLR_PCM_BQ:*/
1661
1662     if (NULL == ap->mAudioTrack) {
1663         return;
1664     }
1665
1666     if (eventFlags & SL_PLAYEVENT_HEADATMARKER) {
1667         ap->mAudioTrack->setMarkerPosition((uint32_t)((((int64_t)pPlayItf->mMarkerPosition
1668                 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000));
1669     } else {
1670         // clear marker
1671         ap->mAudioTrack->setMarkerPosition(0);
1672     }
1673
1674     if (eventFlags & SL_PLAYEVENT_HEADATNEWPOS) {
1675          ap->mAudioTrack->setPositionUpdatePeriod(
1676                 (uint32_t)((((int64_t)pPlayItf->mPositionUpdatePeriod
1677                 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000));
1678     } else {
1679         // clear periodic update
1680         ap->mAudioTrack->setPositionUpdatePeriod(0);
1681     }
1682
1683     if (eventFlags & SL_PLAYEVENT_HEADATEND) {
1684         // nothing to do for SL_PLAYEVENT_HEADATEND, callback event will be checked against mask
1685     }
1686
1687     if (eventFlags & SL_PLAYEVENT_HEADMOVING) {
1688         // FIXME support SL_PLAYEVENT_HEADMOVING
1689         SL_LOGD("[ FIXME: IPlay_SetCallbackEventsMask(SL_PLAYEVENT_HEADMOVING) on an "
1690             "SL_OBJECTID_AUDIOPLAYER to be implemented ]");
1691     }
1692     if (eventFlags & SL_PLAYEVENT_HEADSTALLED) {
1693         // nothing to do for SL_PLAYEVENT_HEADSTALLED, callback event will be checked against mask
1694     }
1695
1696 }
1697
1698
1699 //-----------------------------------------------------------------------------
1700 SLresult android_audioPlayer_getDuration(IPlay *pPlayItf, SLmillisecond *pDurMsec) {
1701     CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis;
1702     switch(ap->mAndroidObjType) {
1703     case A_PLR_PCM_BQ:
1704         *pDurMsec = SL_TIME_UNKNOWN;
1705         // FIXME if the data source is not a buffer queue, and the audio data is saved in
1706         //       shared memory with the mixer process, the duration is the size of the buffer
1707         SL_LOGD("FIXME: android_audioPlayer_getDuration() verify if duration can be retrieved");
1708         break;
1709     case A_PLR_URIFD: {
1710         int64_t durationUsec = SL_TIME_UNKNOWN;
1711         if (ap->mSfPlayer != 0) {
1712             durationUsec = ap->mSfPlayer->getDurationUsec();
1713         }
1714         *pDurMsec = durationUsec == -1 ? SL_TIME_UNKNOWN : durationUsec / 1000;
1715         }
1716         break;
1717     case A_PLR_TS_ABQ: // intended fall-through
1718     default:
1719         *pDurMsec = SL_TIME_UNKNOWN;
1720         break;
1721     }
1722     return SL_RESULT_SUCCESS;
1723 }
1724
1725
1726 //-----------------------------------------------------------------------------
1727 void android_audioPlayer_getPosition(IPlay *pPlayItf, SLmillisecond *pPosMsec) {
1728     CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis;
1729     switch(ap->mAndroidObjType) {
1730     case A_PLR_PCM_BQ:
1731         if ((ap->mSampleRateMilliHz == 0) || (NULL == ap->mAudioTrack)) {
1732             *pPosMsec = 0;
1733         } else {
1734             uint32_t positionInFrames;
1735             ap->mAudioTrack->getPosition(&positionInFrames);
1736             *pPosMsec = ((int64_t)positionInFrames * 1000) /
1737                     sles_to_android_sampleRate(ap->mSampleRateMilliHz);
1738         }
1739         break;
1740     case A_PLR_URIFD:
1741         if (ap->mSfPlayer != 0) {
1742             *pPosMsec = ap->mSfPlayer->getPositionMsec();
1743         } else {
1744             *pPosMsec = 0;
1745         }
1746         break;
1747     default:
1748         break;
1749     }
1750 }
1751
1752
1753 //-----------------------------------------------------------------------------
1754 void android_audioPlayer_seek(CAudioPlayer *ap, SLmillisecond posMsec) {
1755
1756     switch(ap->mAndroidObjType) {
1757     case A_PLR_PCM_BQ:
1758         break;
1759     case A_PLR_URIFD:
1760         if (ap->mSfPlayer != 0) {
1761             ap->mSfPlayer->seek(posMsec);
1762         }
1763         break;
1764     default:
1765         break;
1766     }
1767 }
1768
1769
1770 //-----------------------------------------------------------------------------
1771 void android_audioPlayer_loop(CAudioPlayer *ap, SLboolean loopEnable) {
1772
1773     if ((A_PLR_URIFD == ap->mAndroidObjType) && (ap->mSfPlayer != 0)) {
1774         ap->mSfPlayer->loop((bool)loopEnable);
1775     }
1776 }
1777
1778
1779 //-----------------------------------------------------------------------------
1780 /*
1781  * Mutes or unmutes the Android media framework object associated with the CAudioPlayer that carries
1782  * the IVolume interface.
1783  * Pre-condition:
1784  *   if ap->mMute is SL_BOOLEAN_FALSE, a call to this function was preceded by a call
1785  *   to android_audioPlayer_volumeUpdate()
1786  */
1787 static void android_audioPlayer_setMute(CAudioPlayer* ap) {
1788     android::AudioTrack *t = NULL;
1789     switch(ap->mAndroidObjType) {
1790     case A_PLR_PCM_BQ:
1791     case A_PLR_URIFD:
1792         t = ap->mAudioTrack;
1793         break;
1794     default:
1795         break;
1796     }
1797     // when unmuting: volume levels have already been updated in IVolume_SetMute
1798     if (NULL != t) {
1799         t->mute(ap->mMute);
1800     }
1801 }
1802
1803
1804 //-----------------------------------------------------------------------------
1805 SLresult android_audioPlayer_volumeUpdate(CAudioPlayer* ap) {
1806     android_audioPlayer_updateStereoVolume(ap);
1807     android_audioPlayer_setMute(ap);
1808     return SL_RESULT_SUCCESS;
1809 }
1810
1811
1812 //-----------------------------------------------------------------------------
1813 void android_audioPlayer_bufferQueue_onRefilled_l(CAudioPlayer *ap) {
1814     // the AudioTrack associated with the AudioPlayer receiving audio from a PCM buffer
1815     // queue was stopped when the queue become empty, we restart as soon as a new buffer
1816     // has been enqueued since we're in playing state
1817     if (NULL != ap->mAudioTrack) {
1818         ap->mAudioTrack->start();
1819     }
1820
1821     // when the queue became empty, an underflow on the prefetch status itf was sent. Now the queue
1822     // has received new data, signal it has sufficient data
1823     if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
1824         audioPlayer_dispatch_prefetchStatus_lockPrefetch(ap, SL_PREFETCHSTATUS_SUFFICIENTDATA,
1825             true);
1826     }
1827 }
1828
1829
1830 //-----------------------------------------------------------------------------
1831 /*
1832  * BufferQueue::Clear
1833  */
1834 SLresult android_audioPlayer_bufferQueue_onClear(CAudioPlayer *ap) {
1835     SLresult result = SL_RESULT_SUCCESS;
1836
1837     switch (ap->mAndroidObjType) {
1838     //-----------------------------------
1839     // AudioTrack
1840     case A_PLR_PCM_BQ:
1841         if (NULL != ap->mAudioTrack) {
1842             ap->mAudioTrack->flush();
1843         }
1844         break;
1845     default:
1846         result = SL_RESULT_INTERNAL_ERROR;
1847         break;
1848     }
1849
1850     return result;
1851 }
1852
1853
1854 //-----------------------------------------------------------------------------
1855 void android_audioPlayer_androidBufferQueue_registerCallback_l(CAudioPlayer *ap) {
1856     if ((ap->mAndroidObjType == A_PLR_TS_ABQ) && (ap->mAPlayer != 0)) {
1857         android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get());
1858         splr->registerQueueCallback(
1859                 (const void*)ap, true /*userIsAudioPlayer*/,
1860                 ap->mAndroidBufferQueue.mContext,
1861                 (const void*)&(ap->mAndroidBufferQueue.mItf));
1862     }
1863 }
1864
1865 //-----------------------------------------------------------------------------
1866 void android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer *ap) {
1867     if ((ap->mAndroidObjType == A_PLR_TS_ABQ) && (ap->mAPlayer != 0)) {
1868         android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get());
1869         splr->appClear_l();
1870     }
1871 }
1872
1873 void android_audioPlayer_androidBufferQueue_onRefilled_l(CAudioPlayer *ap) {
1874     if ((ap->mAndroidObjType == A_PLR_TS_ABQ) && (ap->mAPlayer != 0)) {
1875         android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get());
1876         splr->queueRefilled_l();
1877     }
1878 }