AudioPlayer_to_android.cpp revision 99b927751677abfb60a388d65dfeed1fed1db12c
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 23#include <system/audio.h> 24 25template class android::KeyedVector<SLuint32, android::AudioEffect* > ; 26 27#define KEY_STREAM_TYPE_PARAMSIZE sizeof(SLint32) 28 29//----------------------------------------------------------------------------- 30// FIXME this method will be absorbed into android_audioPlayer_setPlayState() once 31// bufferqueue and uri/fd playback are moved under the GenericPlayer C++ object 32SLresult aplayer_setPlayState(const android::sp<android::GenericPlayer> &ap, SLuint32 playState, 33 AndroidObjectState* pObjState) { 34 SLresult result = SL_RESULT_SUCCESS; 35 AndroidObjectState objState = *pObjState; 36 37 switch (playState) { 38 case SL_PLAYSTATE_STOPPED: 39 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_STOPPED"); 40 ap->stop(); 41 break; 42 case SL_PLAYSTATE_PAUSED: 43 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PAUSED"); 44 switch(objState) { 45 case ANDROID_UNINITIALIZED: 46 *pObjState = ANDROID_PREPARING; 47 ap->prepare(); 48 break; 49 case ANDROID_PREPARING: 50 break; 51 case ANDROID_READY: 52 ap->pause(); 53 break; 54 default: 55 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState); 56 result = SL_RESULT_INTERNAL_ERROR; 57 break; 58 } 59 break; 60 case SL_PLAYSTATE_PLAYING: { 61 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PLAYING"); 62 switch(objState) { 63 case ANDROID_UNINITIALIZED: 64 *pObjState = ANDROID_PREPARING; 65 ap->prepare(); 66 // intended fall through 67 case ANDROID_PREPARING: 68 // intended fall through 69 case ANDROID_READY: 70 ap->play(); 71 break; 72 default: 73 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState); 74 result = SL_RESULT_INTERNAL_ERROR; 75 break; 76 } 77 } 78 break; 79 default: 80 // checked by caller, should not happen 81 SL_LOGE(ERROR_SHOULDNT_BE_HERE_S, "aplayer_setPlayState"); 82 result = SL_RESULT_INTERNAL_ERROR; 83 break; 84 } 85 86 return result; 87} 88 89 90//----------------------------------------------------------------------------- 91// Callback associated with a AudioToCbRenderer of an SL ES AudioPlayer that gets its data 92// from a URI or FD, to write the decoded audio data to a buffer queue 93static size_t adecoder_writeToBufferQueue(const uint8_t *data, size_t size, void* user) { 94 size_t sizeConsumed = 0; 95 if (NULL == user) { 96 return sizeConsumed; 97 } 98 SL_LOGD("received %d bytes from decoder", size); 99 CAudioPlayer *ap = (CAudioPlayer *)user; 100 slBufferQueueCallback callback = NULL; 101 void * callbackPContext = NULL; 102 103 // push decoded data to the buffer queue 104 object_lock_exclusive(&ap->mObject); 105 106 if (ap->mBufferQueue.mState.count != 0) { 107 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear); 108 109 BufferHeader *oldFront = ap->mBufferQueue.mFront; 110 BufferHeader *newFront = &oldFront[1]; 111 112 uint8_t *pDest = (uint8_t *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed; 113 if (ap->mBufferQueue.mSizeConsumed + size < oldFront->mSize) { 114 // room to consume the whole or rest of the decoded data in one shot 115 ap->mBufferQueue.mSizeConsumed += size; 116 // consume data but no callback to the BufferQueue interface here 117 memcpy (pDest, data, size); 118 sizeConsumed = size; 119 } else { 120 // push as much as possible of the decoded data into the buffer queue 121 sizeConsumed = oldFront->mSize - ap->mBufferQueue.mSizeConsumed; 122 123 // the buffer at the head of the buffer queue is full, update the state 124 ap->mBufferQueue.mSizeConsumed = 0; 125 if (newFront == &ap->mBufferQueue.mArray[ap->mBufferQueue.mNumBuffers + 1]) { 126 newFront = ap->mBufferQueue.mArray; 127 } 128 ap->mBufferQueue.mFront = newFront; 129 130 ap->mBufferQueue.mState.count--; 131 ap->mBufferQueue.mState.playIndex++; 132 // consume data 133 memcpy (pDest, data, sizeConsumed); 134 // data has been copied to the buffer, and the buffer queue state has been updated 135 // we will notify the client if applicable 136 callback = ap->mBufferQueue.mCallback; 137 // save callback data 138 callbackPContext = ap->mBufferQueue.mContext; 139 } 140 141 } else { 142 // no available buffers in the queue to write the decoded data 143 sizeConsumed = 0; 144 } 145 146 object_unlock_exclusive(&ap->mObject); 147 // notify client 148 if (NULL != callback) { 149 (*callback)(&ap->mBufferQueue.mItf, callbackPContext); 150 } 151 152 return sizeConsumed; 153} 154 155//----------------------------------------------------------------------------- 156int android_getMinFrameCount(uint32_t sampleRate) { 157 int afSampleRate; 158 if (android::AudioSystem::getOutputSamplingRate(&afSampleRate, 159 ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) { 160 return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE; 161 } 162 int afFrameCount; 163 if (android::AudioSystem::getOutputFrameCount(&afFrameCount, 164 ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) { 165 return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE; 166 } 167 uint32_t afLatency; 168 if (android::AudioSystem::getOutputLatency(&afLatency, 169 ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) { 170 return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE; 171 } 172 // minimum nb of buffers to cover output latency, given the size of each hardware audio buffer 173 uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 174 if (minBufCount < 2) minBufCount = 2; 175 // minimum number of frames to cover output latency at the sample rate of the content 176 return (afFrameCount*sampleRate*minBufCount)/afSampleRate; 177} 178 179 180//----------------------------------------------------------------------------- 181#define LEFT_CHANNEL_MASK 0x1 << 0 182#define RIGHT_CHANNEL_MASK 0x1 << 1 183 184void android_audioPlayer_volumeUpdate(CAudioPlayer* ap) 185{ 186 assert(ap != NULL); 187 188 // the source's channel count, where zero means unknown 189 SLuint8 channelCount = ap->mNumChannels; 190 191 // whether each channel is audible 192 bool leftAudibilityFactor, rightAudibilityFactor; 193 194 // mute has priority over solo 195 if (channelCount >= STEREO_CHANNELS) { 196 if (ap->mMuteMask & LEFT_CHANNEL_MASK) { 197 // left muted 198 leftAudibilityFactor = false; 199 } else { 200 // left not muted 201 if (ap->mSoloMask & LEFT_CHANNEL_MASK) { 202 // left soloed 203 leftAudibilityFactor = true; 204 } else { 205 // left not soloed 206 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) { 207 // right solo silences left 208 leftAudibilityFactor = false; 209 } else { 210 // left and right are not soloed, and left is not muted 211 leftAudibilityFactor = true; 212 } 213 } 214 } 215 216 if (ap->mMuteMask & RIGHT_CHANNEL_MASK) { 217 // right muted 218 rightAudibilityFactor = false; 219 } else { 220 // right not muted 221 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) { 222 // right soloed 223 rightAudibilityFactor = true; 224 } else { 225 // right not soloed 226 if (ap->mSoloMask & LEFT_CHANNEL_MASK) { 227 // left solo silences right 228 rightAudibilityFactor = false; 229 } else { 230 // left and right are not soloed, and right is not muted 231 rightAudibilityFactor = true; 232 } 233 } 234 } 235 236 // channel mute and solo are ignored for mono and unknown channel count sources 237 } else { 238 leftAudibilityFactor = true; 239 rightAudibilityFactor = true; 240 } 241 242 // compute volumes without setting 243 const bool audibilityFactors[2] = {leftAudibilityFactor, rightAudibilityFactor}; 244 float volumes[2]; 245 android_player_volumeUpdate(volumes, &ap->mVolume, channelCount, ap->mAmplFromDirectLevel, 246 audibilityFactors); 247 float leftVol = volumes[0], rightVol = volumes[1]; 248 249 // set volume on the underlying media player or audio track 250 if (ap->mAPlayer != 0) { 251 ap->mAPlayer->setVolume(leftVol, rightVol); 252 } else if (ap->mAudioTrack != 0) { 253 ap->mAudioTrack->setVolume(leftVol, rightVol); 254 } 255 256 // changes in the AudioPlayer volume must be reflected in the send level: 257 // in SLEffectSendItf or in SLAndroidEffectSendItf? 258 // FIXME replace interface test by an internal API once we have one. 259 if (NULL != ap->mEffectSend.mItf) { 260 for (unsigned int i=0 ; i<AUX_MAX ; i++) { 261 if (ap->mEffectSend.mEnableLevels[i].mEnable) { 262 android_fxSend_setSendLevel(ap, 263 ap->mEffectSend.mEnableLevels[i].mSendLevel + ap->mVolume.mLevel); 264 // there's a single aux bus on Android, so we can stop looking once the first 265 // aux effect is found. 266 break; 267 } 268 } 269 } else if (NULL != ap->mAndroidEffectSend.mItf) { 270 android_fxSend_setSendLevel(ap, ap->mAndroidEffectSend.mSendLevel + ap->mVolume.mLevel); 271 } 272} 273 274// Called by android_audioPlayer_volumeUpdate and android_mediaPlayer_volumeUpdate to compute 275// volumes, but setting volumes is handled by the caller. 276 277void android_player_volumeUpdate(float *pVolumes /*[2]*/, const IVolume *volumeItf, unsigned 278channelCount, float amplFromDirectLevel, const bool *audibilityFactors /*[2]*/) 279{ 280 assert(pVolumes != NULL); 281 assert(volumeItf != NULL); 282 // OK for audibilityFactors to be NULL 283 284 bool leftAudibilityFactor, rightAudibilityFactor; 285 286 // apply player mute factor 287 // note that AudioTrack has mute() but not MediaPlayer, so it's easier to use volume 288 // to mute for both rather than calling mute() for AudioTrack 289 290 // player is muted 291 if (volumeItf->mMute) { 292 leftAudibilityFactor = false; 293 rightAudibilityFactor = false; 294 // player isn't muted, and channel mute/solo audibility factors are available (AudioPlayer) 295 } else if (audibilityFactors != NULL) { 296 leftAudibilityFactor = audibilityFactors[0]; 297 rightAudibilityFactor = audibilityFactors[1]; 298 // player isn't muted, and channel mute/solo audibility factors aren't available (MediaPlayer) 299 } else { 300 leftAudibilityFactor = true; 301 rightAudibilityFactor = true; 302 } 303 304 // compute amplification as the combination of volume level and stereo position 305 // amplification (or attenuation) from volume level 306 float amplFromVolLevel = sles_to_android_amplification(volumeItf->mLevel); 307 // amplification from direct level (changed in SLEffectSendtItf and SLAndroidEffectSendItf) 308 float leftVol = amplFromVolLevel * amplFromDirectLevel; 309 float rightVol = leftVol; 310 311 // amplification from stereo position 312 if (volumeItf->mEnableStereoPosition) { 313 // Left/right amplification (can be attenuations) factors derived for the StereoPosition 314 float amplFromStereoPos[STEREO_CHANNELS]; 315 // panning law depends on content channel count: mono to stereo panning vs stereo balance 316 if (1 == channelCount) { 317 // mono to stereo panning 318 double theta = (1000+volumeItf->mStereoPosition)*M_PI_4/1000.0f; // 0 <= theta <= Pi/2 319 amplFromStereoPos[0] = cos(theta); 320 amplFromStereoPos[1] = sin(theta); 321 // channel count is 0 (unknown), 2 (stereo), or > 2 (multi-channel) 322 } else { 323 // stereo balance 324 if (volumeItf->mStereoPosition > 0) { 325 amplFromStereoPos[0] = (1000-volumeItf->mStereoPosition)/1000.0f; 326 amplFromStereoPos[1] = 1.0f; 327 } else { 328 amplFromStereoPos[0] = 1.0f; 329 amplFromStereoPos[1] = (1000+volumeItf->mStereoPosition)/1000.0f; 330 } 331 } 332 leftVol *= amplFromStereoPos[0]; 333 rightVol *= amplFromStereoPos[1]; 334 } 335 336 // apply audibility factors 337 if (!leftAudibilityFactor) { 338 leftVol = 0.0; 339 } 340 if (!rightAudibilityFactor) { 341 rightVol = 0.0; 342 } 343 344 // return the computed volumes 345 pVolumes[0] = leftVol; 346 pVolumes[1] = rightVol; 347} 348 349//----------------------------------------------------------------------------- 350void audioTrack_handleMarker_lockPlay(CAudioPlayer* ap) { 351 //SL_LOGV("received event EVENT_MARKER from AudioTrack"); 352 slPlayCallback callback = NULL; 353 void* callbackPContext = NULL; 354 355 interface_lock_shared(&ap->mPlay); 356 callback = ap->mPlay.mCallback; 357 callbackPContext = ap->mPlay.mContext; 358 interface_unlock_shared(&ap->mPlay); 359 360 if (NULL != callback) { 361 // getting this event implies SL_PLAYEVENT_HEADATMARKER was set in the event mask 362 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATMARKER); 363 } 364} 365 366//----------------------------------------------------------------------------- 367void audioTrack_handleNewPos_lockPlay(CAudioPlayer* ap) { 368 //SL_LOGV("received event EVENT_NEW_POS from AudioTrack"); 369 slPlayCallback callback = NULL; 370 void* callbackPContext = NULL; 371 372 interface_lock_shared(&ap->mPlay); 373 callback = ap->mPlay.mCallback; 374 callbackPContext = ap->mPlay.mContext; 375 interface_unlock_shared(&ap->mPlay); 376 377 if (NULL != callback) { 378 // getting this event implies SL_PLAYEVENT_HEADATNEWPOS was set in the event mask 379 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATNEWPOS); 380 } 381} 382 383 384//----------------------------------------------------------------------------- 385void audioTrack_handleUnderrun_lockPlay(CAudioPlayer* ap) { 386 slPlayCallback callback = NULL; 387 void* callbackPContext = NULL; 388 389 interface_lock_shared(&ap->mPlay); 390 callback = ap->mPlay.mCallback; 391 callbackPContext = ap->mPlay.mContext; 392 bool headStalled = (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADSTALLED) != 0; 393 interface_unlock_shared(&ap->mPlay); 394 395 if ((NULL != callback) && headStalled) { 396 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADSTALLED); 397 } 398} 399 400 401//----------------------------------------------------------------------------- 402/** 403 * post-condition: play state of AudioPlayer is SL_PLAYSTATE_PAUSED if setPlayStateToPaused is true 404 * 405 * note: a conditional flag, setPlayStateToPaused, is used here to specify whether the play state 406 * needs to be changed when the player reaches the end of the content to play. This is 407 * relative to what the specification describes for buffer queues vs the 408 * SL_PLAYEVENT_HEADATEND event. In the OpenSL ES specification 1.0.1: 409 * - section 8.12 SLBufferQueueItf states "In the case of starvation due to insufficient 410 * buffers in the queue, the playing of audio data stops. The player remains in the 411 * SL_PLAYSTATE_PLAYING state." 412 * - section 9.2.31 SL_PLAYEVENT states "SL_PLAYEVENT_HEADATEND Playback head is at the end 413 * of the current content and the player has paused." 414 */ 415void audioPlayer_dispatch_headAtEnd_lockPlay(CAudioPlayer *ap, bool setPlayStateToPaused, 416 bool needToLock) { 417 //SL_LOGV("ap=%p, setPlayStateToPaused=%d, needToLock=%d", ap, setPlayStateToPaused, 418 // needToLock); 419 slPlayCallback playCallback = NULL; 420 void * playContext = NULL; 421 // SLPlayItf callback or no callback? 422 if (needToLock) { 423 interface_lock_exclusive(&ap->mPlay); 424 } 425 if (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADATEND) { 426 playCallback = ap->mPlay.mCallback; 427 playContext = ap->mPlay.mContext; 428 } 429 if (setPlayStateToPaused) { 430 ap->mPlay.mState = SL_PLAYSTATE_PAUSED; 431 } 432 if (needToLock) { 433 interface_unlock_exclusive(&ap->mPlay); 434 } 435 // enqueue callback with no lock held 436 if (NULL != playCallback) { 437 SLresult result = EnqueueAsyncCallback_ppi(ap, playCallback, &ap->mPlay.mItf, playContext, 438 SL_PLAYEVENT_HEADATEND); 439 if (SL_RESULT_SUCCESS != result) { 440 LOGW("Callback %p(%p, %p, SL_PLAYEVENT_HEADATEND) dropped", playCallback, 441 &ap->mPlay.mItf, playContext); 442 } 443 } 444 445} 446 447 448//----------------------------------------------------------------------------- 449/** 450 * pre-condition: AudioPlayer has SLPrefetchStatusItf initialized 451 * post-condition: 452 * - ap->mPrefetchStatus.mStatus == status 453 * - the prefetch status callback, if any, has been notified if a change occurred 454 * 455 */ 456void audioPlayer_dispatch_prefetchStatus_lockPrefetch(CAudioPlayer *ap, SLuint32 status, 457 bool needToLock) { 458 slPrefetchCallback prefetchCallback = NULL; 459 void * prefetchContext = NULL; 460 461 if (needToLock) { 462 interface_lock_exclusive(&ap->mPrefetchStatus); 463 } 464 // status change? 465 if (ap->mPrefetchStatus.mStatus != status) { 466 ap->mPrefetchStatus.mStatus = status; 467 // callback or no callback? 468 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) { 469 prefetchCallback = ap->mPrefetchStatus.mCallback; 470 prefetchContext = ap->mPrefetchStatus.mContext; 471 } 472 } 473 if (needToLock) { 474 interface_unlock_exclusive(&ap->mPrefetchStatus); 475 } 476 477 // callback with no lock held 478 if (NULL != prefetchCallback) { 479 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, status); 480 } 481} 482 483 484//----------------------------------------------------------------------------- 485SLresult audioPlayer_setStreamType(CAudioPlayer* ap, SLint32 type) { 486 SLresult result = SL_RESULT_SUCCESS; 487 SL_LOGV("type %d", type); 488 489 int newStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE; 490 switch(type) { 491 case SL_ANDROID_STREAM_VOICE: 492 newStreamType = AUDIO_STREAM_VOICE_CALL; 493 break; 494 case SL_ANDROID_STREAM_SYSTEM: 495 newStreamType = AUDIO_STREAM_SYSTEM; 496 break; 497 case SL_ANDROID_STREAM_RING: 498 newStreamType = AUDIO_STREAM_RING; 499 break; 500 case SL_ANDROID_STREAM_MEDIA: 501 newStreamType = AUDIO_STREAM_MUSIC; 502 break; 503 case SL_ANDROID_STREAM_ALARM: 504 newStreamType = AUDIO_STREAM_ALARM; 505 break; 506 case SL_ANDROID_STREAM_NOTIFICATION: 507 newStreamType = AUDIO_STREAM_NOTIFICATION; 508 break; 509 default: 510 SL_LOGE(ERROR_PLAYERSTREAMTYPE_SET_UNKNOWN_TYPE); 511 result = SL_RESULT_PARAMETER_INVALID; 512 break; 513 } 514 515 // stream type needs to be set before the object is realized 516 // (ap->mAudioTrack is supposed to be NULL until then) 517 if (SL_OBJECT_STATE_UNREALIZED != ap->mObject.mState) { 518 SL_LOGE(ERROR_PLAYERSTREAMTYPE_REALIZED); 519 result = SL_RESULT_PRECONDITIONS_VIOLATED; 520 } else { 521 ap->mStreamType = newStreamType; 522 } 523 524 return result; 525} 526 527 528//----------------------------------------------------------------------------- 529SLresult audioPlayer_getStreamType(CAudioPlayer* ap, SLint32 *pType) { 530 SLresult result = SL_RESULT_SUCCESS; 531 532 switch(ap->mStreamType) { 533 case AUDIO_STREAM_VOICE_CALL: 534 *pType = SL_ANDROID_STREAM_VOICE; 535 break; 536 case AUDIO_STREAM_SYSTEM: 537 *pType = SL_ANDROID_STREAM_SYSTEM; 538 break; 539 case AUDIO_STREAM_RING: 540 *pType = SL_ANDROID_STREAM_RING; 541 break; 542 case AUDIO_STREAM_DEFAULT: 543 case AUDIO_STREAM_MUSIC: 544 *pType = SL_ANDROID_STREAM_MEDIA; 545 break; 546 case AUDIO_STREAM_ALARM: 547 *pType = SL_ANDROID_STREAM_ALARM; 548 break; 549 case AUDIO_STREAM_NOTIFICATION: 550 *pType = SL_ANDROID_STREAM_NOTIFICATION; 551 break; 552 default: 553 result = SL_RESULT_INTERNAL_ERROR; 554 *pType = SL_ANDROID_STREAM_MEDIA; 555 break; 556 } 557 558 return result; 559} 560 561 562//----------------------------------------------------------------------------- 563void audioPlayer_auxEffectUpdate(CAudioPlayer* ap) { 564 if ((ap->mAudioTrack != 0) && (ap->mAuxEffect != 0)) { 565 android_fxSend_attach(ap, true, ap->mAuxEffect, ap->mVolume.mLevel + ap->mAuxSendLevel); 566 } 567} 568 569 570//----------------------------------------------------------------------------- 571void audioPlayer_setInvalid(CAudioPlayer* ap) { 572 ap->mAndroidObjType = INVALID_TYPE; 573 ap->mpLock = NULL; 574 ap->mPlaybackRate.mCapabilities = 0; 575} 576 577 578//----------------------------------------------------------------------------- 579/* 580 * returns true if the given data sink is supported by AudioPlayer that doesn't 581 * play to an OutputMix object, false otherwise 582 * 583 * pre-condition: the locator of the audio sink is not SL_DATALOCATOR_OUTPUTMIX 584 */ 585bool audioPlayer_isSupportedNonOutputMixSink(const SLDataSink* pAudioSink) { 586 bool result = true; 587 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSink->pLocator; 588 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSink->pFormat; 589 590 switch (sinkLocatorType) { 591 592 case SL_DATALOCATOR_BUFFERQUEUE: 593 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 594 if (SL_DATAFORMAT_PCM != sinkFormatType) { 595 SL_LOGE("Unsupported sink format 0x%x, expected SL_DATAFORMAT_PCM", 596 (unsigned)sinkFormatType); 597 result = false; 598 } 599 // it's no use checking the PCM format fields because additional characteristics 600 // such as the number of channels, or sample size are unknown to the player at this stage 601 break; 602 603 default: 604 SL_LOGE("Unsupported sink locator type 0x%x", (unsigned)sinkLocatorType); 605 result = false; 606 break; 607 } 608 609 return result; 610} 611 612 613//----------------------------------------------------------------------------- 614/* 615 * returns the Android object type if the locator type combinations for the source and sinks 616 * are supported by this implementation, INVALID_TYPE otherwise 617 */ 618AndroidObjectType audioPlayer_getAndroidObjectTypeForSourceSink(CAudioPlayer *ap) { 619 620 const SLDataSource *pAudioSrc = &ap->mDataSource.u.mSource; 621 const SLDataSink *pAudioSnk = &ap->mDataSink.u.mSink; 622 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 623 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 624 AndroidObjectType type = INVALID_TYPE; 625 626 //-------------------------------------- 627 // Sink / source matching check: 628 // the following source / sink combinations are supported 629 // SL_DATALOCATOR_BUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 630 // SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 631 // SL_DATALOCATOR_URI / SL_DATALOCATOR_OUTPUTMIX 632 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_OUTPUTMIX 633 // SL_DATALOCATOR_ANDROIDBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 634 // SL_DATALOCATOR_URI / SL_DATALOCATOR_BUFFERQUEUE 635 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_BUFFERQUEUE 636 // SL_DATALOCATOR_URI / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 637 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 638 switch (sinkLocatorType) { 639 640 case SL_DATALOCATOR_OUTPUTMIX: { 641 switch (sourceLocatorType) { 642 643 // Buffer Queue to AudioTrack 644 case SL_DATALOCATOR_BUFFERQUEUE: 645 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 646 type = AUDIOPLAYER_FROM_PCM_BUFFERQUEUE; 647 break; 648 649 // URI or FD to MediaPlayer 650 case SL_DATALOCATOR_URI: 651 case SL_DATALOCATOR_ANDROIDFD: 652 type = AUDIOPLAYER_FROM_URIFD; 653 break; 654 655 // Android BufferQueue to MediaPlayer (shared memory streaming) 656 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 657 type = AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE; 658 break; 659 660 default: 661 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_OUTPUTMIX sink", 662 (unsigned)sourceLocatorType); 663 break; 664 } 665 } 666 break; 667 668 case SL_DATALOCATOR_BUFFERQUEUE: 669 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 670 switch (sourceLocatorType) { 671 672 // URI or FD decoded to PCM in a buffer queue 673 case SL_DATALOCATOR_URI: 674 case SL_DATALOCATOR_ANDROIDFD: 675 type = AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE; 676 break; 677 678 default: 679 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_BUFFERQUEUE sink", 680 (unsigned)sourceLocatorType); 681 break; 682 } 683 break; 684 685 default: 686 SL_LOGE("Sink data locator 0x%x not supported", (unsigned)sinkLocatorType); 687 break; 688 } 689 690 return type; 691} 692 693 694//----------------------------------------------------------------------------- 695/* 696 * Callback associated with an SfPlayer of an SL ES AudioPlayer that gets its data 697 * from a URI or FD, for prepare and prefetch events 698 */ 699static void sfplayer_handlePrefetchEvent(int event, int data1, int data2, void* user) { 700 if (NULL == user) { 701 return; 702 } 703 704 CAudioPlayer *ap = (CAudioPlayer *)user; 705 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 706 // it is not safe to enter the callback (the track is about to go away) 707 return; 708 } 709 union { 710 char c[sizeof(int)]; 711 int i; 712 } u; 713 u.i = event; 714 SL_LOGV("sfplayer_handlePrefetchEvent(event='%c%c%c%c' (%d), data1=%d, data2=%d, user=%p) from " 715 "SfAudioPlayer", u.c[3], u.c[2], u.c[1], u.c[0], event, data1, data2, user); 716 switch(event) { 717 718 case android::GenericPlayer::kEventPrepared: { 719 720 if (PLAYER_SUCCESS != data1) { 721 object_lock_exclusive(&ap->mObject); 722 723 // already initialized at object creation, and can only prepare once so never reset 724 assert(ap->mAudioTrack == 0); 725 assert(ap->mNumChannels == UNKNOWN_NUMCHANNELS); 726 assert(ap->mSampleRateMilliHz == UNKNOWN_SAMPLERATE); 727 assert(ap->mAndroidObjState == ANDROID_PREPARING); 728 ap->mAndroidObjState = ANDROID_READY; 729 730 object_unlock_exclusive(&ap->mObject); 731 732 // SfPlayer prepare() failed prefetching, there is no event in SLPrefetchStatus to 733 // indicate a prefetch error, so we signal it by sending simulataneously two events: 734 // - SL_PREFETCHEVENT_FILLLEVELCHANGE with a level of 0 735 // - SL_PREFETCHEVENT_STATUSCHANGE with a status of SL_PREFETCHSTATUS_UNDERFLOW 736 SL_LOGE(ERROR_PLAYER_PREFETCH_d, data1); 737 if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 738 break; 739 } 740 741 slPrefetchCallback callback = NULL; 742 void* callbackPContext = NULL; 743 744 interface_lock_exclusive(&ap->mPrefetchStatus); 745 ap->mPrefetchStatus.mLevel = 0; 746 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 747 if ((ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE) 748 && (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE)) { 749 callback = ap->mPrefetchStatus.mCallback; 750 callbackPContext = ap->mPrefetchStatus.mContext; 751 } 752 interface_unlock_exclusive(&ap->mPrefetchStatus); 753 754 // callback with no lock held 755 if (NULL != callback) { 756 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, 757 SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE); 758 } 759 760 761 } else { 762 763 object_lock_exclusive(&ap->mObject); 764 765 if (AUDIOPLAYER_FROM_URIFD == ap->mAndroidObjType) { 766 //************************************** 767 // FIXME move under GenericMediaPlayer 768#if 0 769 ap->mAudioTrack = ap->mSfPlayer->getAudioTrack(); 770 ap->mNumChannels = ap->mSfPlayer->getNumChannels(); 771 ap->mSampleRateMilliHz = 772 android_to_sles_sampleRate(ap->mSfPlayer->getSampleRateHz()); 773 ap->mSfPlayer->startPrefetch_async(); 774 // update the new track with the current settings 775 audioPlayer_auxEffectUpdate(ap); 776 android_audioPlayer_useEventMask(ap); 777 android_audioPlayer_volumeUpdate(ap); 778 android_audioPlayer_setPlayRate(ap, ap->mPlaybackRate.mRate, false /*lockAP*/); 779#endif 780 } else if (AUDIOPLAYER_FROM_PCM_BUFFERQUEUE == ap->mAndroidObjType) { 781 if (ap->mAPlayer != 0) { 782 ((android::AudioToCbRenderer*)ap->mAPlayer.get())->startPrefetch_async(); 783 } 784 } else if (AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE == ap->mAndroidObjType) { 785 SL_LOGD("Received SfPlayer::kEventPrepared from AVPlayer for CAudioPlayer %p", ap); 786 } 787 788 ap->mAndroidObjState = ANDROID_READY; 789 790 object_unlock_exclusive(&ap->mObject); 791 } 792 793 } 794 break; 795 796 case android::GenericPlayer::kEventPrefetchFillLevelUpdate : { 797 if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 798 break; 799 } 800 slPrefetchCallback callback = NULL; 801 void* callbackPContext = NULL; 802 803 // SLPrefetchStatusItf callback or no callback? 804 interface_lock_exclusive(&ap->mPrefetchStatus); 805 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE) { 806 callback = ap->mPrefetchStatus.mCallback; 807 callbackPContext = ap->mPrefetchStatus.mContext; 808 } 809 ap->mPrefetchStatus.mLevel = (SLpermille)data1; 810 interface_unlock_exclusive(&ap->mPrefetchStatus); 811 812 // callback with no lock held 813 if (NULL != callback) { 814 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, 815 SL_PREFETCHEVENT_FILLLEVELCHANGE); 816 } 817 } 818 break; 819 820 case android::GenericPlayer::kEventPrefetchStatusChange: { 821 if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 822 break; 823 } 824 slPrefetchCallback callback = NULL; 825 void* callbackPContext = NULL; 826 827 // SLPrefetchStatusItf callback or no callback? 828 object_lock_exclusive(&ap->mObject); 829 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) { 830 callback = ap->mPrefetchStatus.mCallback; 831 callbackPContext = ap->mPrefetchStatus.mContext; 832 } 833 if (data1 >= android::kStatusIntermediate) { 834 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA; 835 ap->mAndroidObjState = ANDROID_READY; 836 } else if (data1 < android::kStatusIntermediate) { 837 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 838 } 839 object_unlock_exclusive(&ap->mObject); 840 841 // callback with no lock held 842 if (NULL != callback) { 843 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, SL_PREFETCHEVENT_STATUSCHANGE); 844 } 845 } 846 break; 847 848 case android::GenericPlayer::kEventEndOfStream: { 849 audioPlayer_dispatch_headAtEnd_lockPlay(ap, true /*set state to paused?*/, true); 850 if ((ap->mAudioTrack != 0) && (!ap->mSeek.mLoopEnabled)) { 851 ap->mAudioTrack->stop(); 852 } 853 } 854 break; 855 856 case android::GenericPlayer::kEventChannelCount: { 857 object_lock_exclusive(&ap->mObject); 858 if (UNKNOWN_NUMCHANNELS == ap->mNumChannels && UNKNOWN_NUMCHANNELS != data1) { 859 ap->mNumChannels = data1; 860 android_audioPlayer_volumeUpdate(ap); 861 } 862 object_unlock_exclusive(&ap->mObject); 863 } 864 break; 865 866 default: 867 break; 868 } 869 870 ap->mCallbackProtector->exitCb(); 871} 872 873 874//----------------------------------------------------------------------------- 875SLresult android_audioPlayer_checkSourceSink(CAudioPlayer *pAudioPlayer) 876{ 877 // verify that the locator types for the source / sink combination is supported 878 pAudioPlayer->mAndroidObjType = audioPlayer_getAndroidObjectTypeForSourceSink(pAudioPlayer); 879 if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) { 880 return SL_RESULT_PARAMETER_INVALID; 881 } 882 883 const SLDataSource *pAudioSrc = &pAudioPlayer->mDataSource.u.mSource; 884 const SLDataSink *pAudioSnk = &pAudioPlayer->mDataSink.u.mSink; 885 886 // format check: 887 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 888 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 889 const SLuint32 sourceFormatType = *(SLuint32 *)pAudioSrc->pFormat; 890 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSnk->pFormat; 891 892 switch (sourceLocatorType) { 893 //------------------ 894 // Buffer Queues 895 case SL_DATALOCATOR_BUFFERQUEUE: 896 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 897 { 898 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) pAudioSrc->pLocator; 899 900 // Buffer format 901 switch (sourceFormatType) { 902 // currently only PCM buffer queues are supported, 903 case SL_DATAFORMAT_PCM: { 904 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) pAudioSrc->pFormat; 905 switch (df_pcm->numChannels) { 906 case 1: 907 case 2: 908 break; 909 default: 910 // this should have already been rejected by checkDataFormat 911 SL_LOGE("Cannot create audio player: unsupported " \ 912 "PCM data source with %u channels", (unsigned) df_pcm->numChannels); 913 return SL_RESULT_CONTENT_UNSUPPORTED; 914 } 915 switch (df_pcm->samplesPerSec) { 916 case SL_SAMPLINGRATE_8: 917 case SL_SAMPLINGRATE_11_025: 918 case SL_SAMPLINGRATE_12: 919 case SL_SAMPLINGRATE_16: 920 case SL_SAMPLINGRATE_22_05: 921 case SL_SAMPLINGRATE_24: 922 case SL_SAMPLINGRATE_32: 923 case SL_SAMPLINGRATE_44_1: 924 case SL_SAMPLINGRATE_48: 925 break; 926 case SL_SAMPLINGRATE_64: 927 case SL_SAMPLINGRATE_88_2: 928 case SL_SAMPLINGRATE_96: 929 case SL_SAMPLINGRATE_192: 930 default: 931 SL_LOGE("Cannot create audio player: unsupported sample rate %u milliHz", 932 (unsigned) df_pcm->samplesPerSec); 933 return SL_RESULT_CONTENT_UNSUPPORTED; 934 } 935 switch (df_pcm->bitsPerSample) { 936 case SL_PCMSAMPLEFORMAT_FIXED_8: 937 // FIXME We should support this 938 //SL_LOGE("Cannot create audio player: unsupported 8-bit data"); 939 //return SL_RESULT_CONTENT_UNSUPPORTED; 940 case SL_PCMSAMPLEFORMAT_FIXED_16: 941 break; 942 // others 943 default: 944 // this should have already been rejected by checkDataFormat 945 SL_LOGE("Cannot create audio player: unsupported sample bit depth %u", 946 (SLuint32)df_pcm->bitsPerSample); 947 return SL_RESULT_CONTENT_UNSUPPORTED; 948 } 949 switch (df_pcm->containerSize) { 950 case 8: 951 case 16: 952 break; 953 // others 954 default: 955 SL_LOGE("Cannot create audio player: unsupported container size %u", 956 (unsigned) df_pcm->containerSize); 957 return SL_RESULT_CONTENT_UNSUPPORTED; 958 } 959 switch (df_pcm->channelMask) { 960 // FIXME needs work 961 default: 962 break; 963 } 964 switch (df_pcm->endianness) { 965 case SL_BYTEORDER_LITTLEENDIAN: 966 break; 967 case SL_BYTEORDER_BIGENDIAN: 968 SL_LOGE("Cannot create audio player: unsupported big-endian byte order"); 969 return SL_RESULT_CONTENT_UNSUPPORTED; 970 // native is proposed but not yet in spec 971 default: 972 SL_LOGE("Cannot create audio player: unsupported byte order %u", 973 (unsigned) df_pcm->endianness); 974 return SL_RESULT_CONTENT_UNSUPPORTED; 975 } 976 } //case SL_DATAFORMAT_PCM 977 break; 978 case SL_DATAFORMAT_MIME: 979 case XA_DATAFORMAT_RAWIMAGE: 980 SL_LOGE("Cannot create audio player with buffer queue data source " 981 "without SL_DATAFORMAT_PCM format"); 982 return SL_RESULT_CONTENT_UNSUPPORTED; 983 default: 984 // invalid data format is detected earlier 985 assert(false); 986 return SL_RESULT_INTERNAL_ERROR; 987 } // switch (sourceFormatType) 988 } // case SL_DATALOCATOR_BUFFERQUEUE or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 989 break; 990 //------------------ 991 // URI 992 case SL_DATALOCATOR_URI: 993 { 994 SLDataLocator_URI *dl_uri = (SLDataLocator_URI *) pAudioSrc->pLocator; 995 if (NULL == dl_uri->URI) { 996 return SL_RESULT_PARAMETER_INVALID; 997 } 998 // URI format 999 switch (sourceFormatType) { 1000 case SL_DATAFORMAT_MIME: 1001 break; 1002 case SL_DATAFORMAT_PCM: 1003 case XA_DATAFORMAT_RAWIMAGE: 1004 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_URI data source without " 1005 "SL_DATAFORMAT_MIME format"); 1006 return SL_RESULT_CONTENT_UNSUPPORTED; 1007 } // switch (sourceFormatType) 1008 // decoding format check 1009 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 1010 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 1011 return SL_RESULT_CONTENT_UNSUPPORTED; 1012 } 1013 } // case SL_DATALOCATOR_URI 1014 break; 1015 //------------------ 1016 // File Descriptor 1017 case SL_DATALOCATOR_ANDROIDFD: 1018 { 1019 // fd is already non null 1020 switch (sourceFormatType) { 1021 case SL_DATAFORMAT_MIME: 1022 break; 1023 case SL_DATAFORMAT_PCM: 1024 // FIXME implement 1025 SL_LOGD("[ FIXME implement PCM FD data sources ]"); 1026 break; 1027 case XA_DATAFORMAT_RAWIMAGE: 1028 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_ANDROIDFD data source " 1029 "without SL_DATAFORMAT_MIME or SL_DATAFORMAT_PCM format"); 1030 return SL_RESULT_CONTENT_UNSUPPORTED; 1031 default: 1032 // invalid data format is detected earlier 1033 assert(false); 1034 return SL_RESULT_INTERNAL_ERROR; 1035 } // switch (sourceFormatType) 1036 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 1037 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 1038 return SL_RESULT_CONTENT_UNSUPPORTED; 1039 } 1040 } // case SL_DATALOCATOR_ANDROIDFD 1041 break; 1042 //------------------ 1043 // Stream 1044 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 1045 { 1046 switch (sourceFormatType) { 1047 case SL_DATAFORMAT_MIME: 1048 { 1049 SLDataFormat_MIME *df_mime = (SLDataFormat_MIME *) pAudioSrc->pFormat; 1050 if (SL_CONTAINERTYPE_MPEG_TS != df_mime->containerType) { 1051 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1052 "that is not fed MPEG-2 TS data"); 1053 return SL_RESULT_CONTENT_UNSUPPORTED; 1054 } 1055 } 1056 break; 1057 default: 1058 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1059 "without SL_DATAFORMAT_MIME format"); 1060 return SL_RESULT_CONTENT_UNSUPPORTED; 1061 } 1062 } 1063 break; // case SL_DATALOCATOR_ANDROIDBUFFERQUEUE 1064 //------------------ 1065 // Address 1066 case SL_DATALOCATOR_ADDRESS: 1067 case SL_DATALOCATOR_IODEVICE: 1068 case SL_DATALOCATOR_OUTPUTMIX: 1069 case XA_DATALOCATOR_NATIVEDISPLAY: 1070 case SL_DATALOCATOR_MIDIBUFFERQUEUE: 1071 SL_LOGE("Cannot create audio player with data locator type 0x%x", 1072 (unsigned) sourceLocatorType); 1073 return SL_RESULT_CONTENT_UNSUPPORTED; 1074 default: 1075 SL_LOGE("Cannot create audio player with invalid data locator type 0x%x", 1076 (unsigned) sourceLocatorType); 1077 return SL_RESULT_PARAMETER_INVALID; 1078 }// switch (locatorType) 1079 1080 return SL_RESULT_SUCCESS; 1081} 1082 1083 1084 1085//----------------------------------------------------------------------------- 1086static void audioTrack_callBack_uri(int event, void* user, void *info) { 1087 // EVENT_MORE_DATA needs to be handled with priority over the other events 1088 // because it will be called the most often during playback 1089 1090 if (event == android::AudioTrack::EVENT_MORE_DATA) { 1091 //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack"); 1092 // set size to 0 to signal we're not using the callback to write more data 1093 android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info; 1094 pBuff->size = 0; 1095 } else if (NULL != user) { 1096 CAudioPlayer *ap = (CAudioPlayer *)user; 1097 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 1098 // it is not safe to enter the callback (the track is about to go away) 1099 return; 1100 } 1101 switch (event) { 1102 case android::AudioTrack::EVENT_MARKER : 1103 audioTrack_handleMarker_lockPlay(ap); 1104 break; 1105 case android::AudioTrack::EVENT_NEW_POS : 1106 audioTrack_handleNewPos_lockPlay(ap); 1107 break; 1108 case android::AudioTrack::EVENT_UNDERRUN : 1109 audioTrack_handleUnderrun_lockPlay(ap); 1110 break; 1111 case android::AudioTrack::EVENT_BUFFER_END : 1112 case android::AudioTrack::EVENT_LOOP_END : 1113 break; 1114 default: 1115 SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event, 1116 ap); 1117 break; 1118 } 1119 ap->mCallbackProtector->exitCb(); 1120 } 1121} 1122 1123//----------------------------------------------------------------------------- 1124// Callback associated with an AudioTrack of an SL ES AudioPlayer that gets its data 1125// from a buffer queue. This will not be called once the AudioTrack has been destroyed. 1126static void audioTrack_callBack_pullFromBuffQueue(int event, void* user, void *info) { 1127 CAudioPlayer *ap = (CAudioPlayer *)user; 1128 1129 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 1130 // it is not safe to enter the callback (the track is about to go away) 1131 return; 1132 } 1133 1134 void * callbackPContext = NULL; 1135 switch(event) { 1136 1137 case android::AudioTrack::EVENT_MORE_DATA: { 1138 //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack TID=%d", gettid()); 1139 slBufferQueueCallback callback = NULL; 1140 android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info; 1141 1142 // retrieve data from the buffer queue 1143 interface_lock_exclusive(&ap->mBufferQueue); 1144 1145 if (ap->mBufferQueue.mState.count != 0) { 1146 //SL_LOGV("nbBuffers in queue = %u",ap->mBufferQueue.mState.count); 1147 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear); 1148 1149 BufferHeader *oldFront = ap->mBufferQueue.mFront; 1150 BufferHeader *newFront = &oldFront[1]; 1151 1152 // FIXME handle 8bit based on buffer format 1153 short *pSrc = (short*)((char *)oldFront->mBuffer 1154 + ap->mBufferQueue.mSizeConsumed); 1155 if (ap->mBufferQueue.mSizeConsumed + pBuff->size < oldFront->mSize) { 1156 // can't consume the whole or rest of the buffer in one shot 1157 ap->mBufferQueue.mSizeConsumed += pBuff->size; 1158 // leave pBuff->size untouched 1159 // consume data 1160 // FIXME can we avoid holding the lock during the copy? 1161 memcpy (pBuff->i16, pSrc, pBuff->size); 1162 } else { 1163 // finish consuming the buffer or consume the buffer in one shot 1164 pBuff->size = oldFront->mSize - ap->mBufferQueue.mSizeConsumed; 1165 ap->mBufferQueue.mSizeConsumed = 0; 1166 1167 if (newFront == 1168 &ap->mBufferQueue.mArray 1169 [ap->mBufferQueue.mNumBuffers + 1]) 1170 { 1171 newFront = ap->mBufferQueue.mArray; 1172 } 1173 ap->mBufferQueue.mFront = newFront; 1174 1175 ap->mBufferQueue.mState.count--; 1176 ap->mBufferQueue.mState.playIndex++; 1177 1178 // consume data 1179 // FIXME can we avoid holding the lock during the copy? 1180 memcpy (pBuff->i16, pSrc, pBuff->size); 1181 1182 // data has been consumed, and the buffer queue state has been updated 1183 // we will notify the client if applicable 1184 callback = ap->mBufferQueue.mCallback; 1185 // save callback data 1186 callbackPContext = ap->mBufferQueue.mContext; 1187 } 1188 } else { // empty queue 1189 // signal no data available 1190 pBuff->size = 0; 1191 1192 // signal we're at the end of the content, but don't pause (see note in function) 1193 audioPlayer_dispatch_headAtEnd_lockPlay(ap, false /*set state to paused?*/, false); 1194 1195 // signal underflow to prefetch status itf 1196 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 1197 audioPlayer_dispatch_prefetchStatus_lockPrefetch(ap, SL_PREFETCHSTATUS_UNDERFLOW, 1198 false); 1199 } 1200 1201 // stop the track so it restarts playing faster when new data is enqueued 1202 ap->mAudioTrack->stop(); 1203 } 1204 interface_unlock_exclusive(&ap->mBufferQueue); 1205 1206 // notify client 1207 if (NULL != callback) { 1208 (*callback)(&ap->mBufferQueue.mItf, callbackPContext); 1209 } 1210 } 1211 break; 1212 1213 case android::AudioTrack::EVENT_MARKER: 1214 //SL_LOGI("received event EVENT_MARKER from AudioTrack"); 1215 audioTrack_handleMarker_lockPlay(ap); 1216 break; 1217 1218 case android::AudioTrack::EVENT_NEW_POS: 1219 //SL_LOGI("received event EVENT_NEW_POS from AudioTrack"); 1220 audioTrack_handleNewPos_lockPlay(ap); 1221 break; 1222 1223 case android::AudioTrack::EVENT_UNDERRUN: 1224 //SL_LOGI("received event EVENT_UNDERRUN from AudioTrack"); 1225 audioTrack_handleUnderrun_lockPlay(ap); 1226 break; 1227 1228 default: 1229 // FIXME where does the notification of SL_PLAYEVENT_HEADMOVING fit? 1230 SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event, 1231 (CAudioPlayer *)user); 1232 break; 1233 } 1234 1235 ap->mCallbackProtector->exitCb(); 1236} 1237 1238 1239//----------------------------------------------------------------------------- 1240SLresult android_audioPlayer_create(CAudioPlayer *pAudioPlayer) { 1241 1242 SLresult result = SL_RESULT_SUCCESS; 1243 // pAudioPlayer->mAndroidObjType has been set in audioPlayer_getAndroidObjectTypeForSourceSink() 1244 if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) { 1245 audioPlayer_setInvalid(pAudioPlayer); 1246 result = SL_RESULT_PARAMETER_INVALID; 1247 } else { 1248 1249 // These initializations are in the same order as the field declarations in classes.h 1250 1251 // FIXME Consolidate initializations (many of these already in IEngine_CreateAudioPlayer) 1252 pAudioPlayer->mpLock = new android::Mutex(); 1253 // mAndroidObjType: see above comment 1254 pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED; 1255 pAudioPlayer->mSessionId = android::AudioSystem::newAudioSessionId(); 1256 pAudioPlayer->mStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE; 1257 1258 // mAudioTrack 1259 pAudioPlayer->mCallbackProtector = new android::CallbackProtector(); 1260 // mAPLayer 1261 // mAuxEffect 1262 1263 pAudioPlayer->mAuxSendLevel = 0; 1264 pAudioPlayer->mAmplFromDirectLevel = 1.0f; // matches initial mDirectLevel value 1265 pAudioPlayer->mDeferredStart = false; 1266 // Already initialized in IEngine_CreateAudioPlayer, to be consolidated 1267 pAudioPlayer->mDirectLevel = 0; // no attenuation 1268 1269 // initialize interface-specific fields that can be used regardless of whether the 1270 // interface is exposed on the AudioPlayer or not 1271 // (empty section, as all initializations are the same as the defaults) 1272 } 1273 1274 return result; 1275} 1276 1277 1278//----------------------------------------------------------------------------- 1279SLresult android_audioPlayer_setConfig(CAudioPlayer *ap, const SLchar *configKey, 1280 const void *pConfigValue, SLuint32 valueSize) { 1281 1282 SLresult result = SL_RESULT_SUCCESS; 1283 1284 if (NULL == ap) { 1285 result = SL_RESULT_INTERNAL_ERROR; 1286 } else if (NULL == pConfigValue) { 1287 SL_LOGE(ERROR_CONFIG_NULL_PARAM); 1288 result = SL_RESULT_PARAMETER_INVALID; 1289 1290 } else if(strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1291 1292 // stream type 1293 if (KEY_STREAM_TYPE_PARAMSIZE > valueSize) { 1294 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1295 result = SL_RESULT_PARAMETER_INVALID; 1296 } else { 1297 result = audioPlayer_setStreamType(ap, *(SLuint32*)pConfigValue); 1298 } 1299 1300 } else { 1301 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 1302 result = SL_RESULT_PARAMETER_INVALID; 1303 } 1304 1305 return result; 1306} 1307 1308 1309//----------------------------------------------------------------------------- 1310SLresult android_audioPlayer_getConfig(CAudioPlayer* ap, const SLchar *configKey, 1311 SLuint32* pValueSize, void *pConfigValue) { 1312 1313 SLresult result = SL_RESULT_SUCCESS; 1314 1315 if (NULL == ap) { 1316 return SL_RESULT_INTERNAL_ERROR; 1317 } else if (NULL == pValueSize) { 1318 SL_LOGE(ERROR_CONFIG_NULL_PARAM); 1319 result = SL_RESULT_PARAMETER_INVALID; 1320 1321 } else if(strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1322 1323 // stream type 1324 if (KEY_STREAM_TYPE_PARAMSIZE > *pValueSize) { 1325 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1326 result = SL_RESULT_PARAMETER_INVALID; 1327 } else { 1328 *pValueSize = KEY_STREAM_TYPE_PARAMSIZE; 1329 if (NULL != pConfigValue) { 1330 result = audioPlayer_getStreamType(ap, (SLint32*)pConfigValue); 1331 } 1332 } 1333 1334 } else { 1335 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 1336 result = SL_RESULT_PARAMETER_INVALID; 1337 } 1338 1339 return result; 1340} 1341 1342 1343//----------------------------------------------------------------------------- 1344SLresult android_audioPlayer_realize(CAudioPlayer *pAudioPlayer, SLboolean async) { 1345 1346 SLresult result = SL_RESULT_SUCCESS; 1347 SL_LOGV("Realize pAudioPlayer=%p", pAudioPlayer); 1348 1349 switch (pAudioPlayer->mAndroidObjType) { 1350 //----------------------------------- 1351 // AudioTrack 1352 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1353 { 1354 // initialize platform-specific CAudioPlayer fields 1355 1356 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) 1357 pAudioPlayer->mDynamicSource.mDataSource; 1358 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) 1359 pAudioPlayer->mDynamicSource.mDataSource->pFormat; 1360 1361 uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec); 1362 1363 pAudioPlayer->mAudioTrack = new android::AudioTrackProxy(new android::AudioTrack( 1364 pAudioPlayer->mStreamType, // streamType 1365 sampleRate, // sampleRate 1366 sles_to_android_sampleFormat(df_pcm->bitsPerSample), // format 1367 sles_to_android_channelMaskOut(df_pcm->numChannels, df_pcm->channelMask), 1368 //channel mask 1369 0, // frameCount (here min) 1370 0, // flags 1371 audioTrack_callBack_pullFromBuffQueue, // callback 1372 (void *) pAudioPlayer, // user 1373 0 // FIXME find appropriate frame count // notificationFrame 1374 , pAudioPlayer->mSessionId 1375 )); 1376 android::status_t status = pAudioPlayer->mAudioTrack->initCheck(); 1377 if (status != android::NO_ERROR) { 1378 SL_LOGE("AudioTrack::initCheck status %u", status); 1379 result = SL_RESULT_CONTENT_UNSUPPORTED; 1380 pAudioPlayer->mAudioTrack.clear(); 1381 return result; 1382 } 1383 1384 // initialize platform-independent CAudioPlayer fields 1385 1386 pAudioPlayer->mNumChannels = df_pcm->numChannels; 1387 pAudioPlayer->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES 1388 1389 pAudioPlayer->mAndroidObjState = ANDROID_READY; 1390 } 1391 break; 1392 //----------------------------------- 1393 // MediaPlayer 1394 case AUDIOPLAYER_FROM_URIFD: { 1395 object_lock_exclusive(&pAudioPlayer->mObject); 1396 1397 assert(pAudioPlayer->mAndroidObjState == ANDROID_UNINITIALIZED); 1398 assert(pAudioPlayer->mNumChannels == UNKNOWN_NUMCHANNELS); 1399 assert(pAudioPlayer->mSampleRateMilliHz == UNKNOWN_SAMPLERATE); 1400 assert(pAudioPlayer->mAudioTrack == 0); 1401 1402 AudioPlayback_Parameters app; 1403 app.sessionId = pAudioPlayer->mSessionId; 1404 app.streamType = pAudioPlayer->mStreamType; 1405 app.trackcb = audioTrack_callBack_uri; 1406 app.trackcbUser = (void *) pAudioPlayer; 1407 1408 pAudioPlayer->mAPlayer = new android::LocAVPlayer(&app, false /*hasVideo*/); 1409 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, 1410 (void*)pAudioPlayer /*notifUSer*/); 1411 1412 object_unlock_exclusive(&pAudioPlayer->mObject); 1413 1414 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1415 case SL_DATALOCATOR_URI: 1416 pAudioPlayer->mAPlayer->setDataSource( 1417 (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI); 1418 break; 1419 case SL_DATALOCATOR_ANDROIDFD: { 1420 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1421 pAudioPlayer->mAPlayer->setDataSource( 1422 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1423 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1424 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1425 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1426 } 1427 break; 1428 default: 1429 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1430 break; 1431 } 1432 1433 } 1434 break; 1435 //----------------------------------- 1436 // StreamPlayer 1437 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: { 1438 object_lock_exclusive(&pAudioPlayer->mObject); 1439 1440 android_StreamPlayer_realize_l(pAudioPlayer, sfplayer_handlePrefetchEvent, 1441 (void*)pAudioPlayer); 1442 1443 object_unlock_exclusive(&pAudioPlayer->mObject); 1444 } 1445 break; 1446 //----------------------------------- 1447 // AudioToCbRenderer 1448 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 1449 object_lock_exclusive(&pAudioPlayer->mObject); 1450 1451 AudioPlayback_Parameters app; 1452 app.sessionId = pAudioPlayer->mSessionId; 1453 app.streamType = pAudioPlayer->mStreamType; 1454 1455 android::AudioToCbRenderer* decoder = new android::AudioToCbRenderer(&app); 1456 pAudioPlayer->mAPlayer = decoder; 1457 decoder->setDataPushListener(adecoder_writeToBufferQueue, (void*)pAudioPlayer); 1458 decoder->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1459 1460 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1461 case SL_DATALOCATOR_URI: 1462 decoder->setDataSource( 1463 (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI); 1464 break; 1465 case SL_DATALOCATOR_ANDROIDFD: { 1466 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1467 decoder->setDataSource( 1468 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1469 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1470 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1471 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1472 } 1473 break; 1474 default: 1475 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1476 break; 1477 } 1478 1479 object_unlock_exclusive(&pAudioPlayer->mObject); 1480 } 1481 break; 1482 //----------------------------------- 1483 default: 1484 SL_LOGE(ERROR_PLAYERREALIZE_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1485 result = SL_RESULT_INTERNAL_ERROR; 1486 break; 1487 } 1488 1489 1490 // proceed with effect initialization 1491 // initialize EQ 1492 // FIXME use a table of effect descriptors when adding support for more effects 1493 if (memcmp(SL_IID_EQUALIZER, &pAudioPlayer->mEqualizer.mEqDescriptor.type, 1494 sizeof(effect_uuid_t)) == 0) { 1495 SL_LOGV("Need to initialize EQ for AudioPlayer=%p", pAudioPlayer); 1496 android_eq_init(pAudioPlayer->mSessionId, &pAudioPlayer->mEqualizer); 1497 } 1498 // initialize BassBoost 1499 if (memcmp(SL_IID_BASSBOOST, &pAudioPlayer->mBassBoost.mBassBoostDescriptor.type, 1500 sizeof(effect_uuid_t)) == 0) { 1501 SL_LOGV("Need to initialize BassBoost for AudioPlayer=%p", pAudioPlayer); 1502 android_bb_init(pAudioPlayer->mSessionId, &pAudioPlayer->mBassBoost); 1503 } 1504 // initialize Virtualizer 1505 if (memcmp(SL_IID_VIRTUALIZER, &pAudioPlayer->mVirtualizer.mVirtualizerDescriptor.type, 1506 sizeof(effect_uuid_t)) == 0) { 1507 SL_LOGV("Need to initialize Virtualizer for AudioPlayer=%p", pAudioPlayer); 1508 android_virt_init(pAudioPlayer->mSessionId, &pAudioPlayer->mVirtualizer); 1509 } 1510 1511 // initialize EffectSend 1512 // FIXME initialize EffectSend 1513 1514 return result; 1515} 1516 1517 1518//----------------------------------------------------------------------------- 1519/** 1520 * Called with a lock on AudioPlayer 1521 */ 1522SLresult android_audioPlayer_preDestroy(CAudioPlayer *pAudioPlayer) { 1523 SL_LOGD("android_audioPlayer_preDestroy(%p)", pAudioPlayer); 1524 SLresult result = SL_RESULT_SUCCESS; 1525 1526 if (pAudioPlayer->mAPlayer != 0) { 1527 pAudioPlayer->mAPlayer->preDestroy(); 1528 } 1529 SL_LOGD("android_audioPlayer_preDestroy(%p) after mAPlayer->preDestroy()", pAudioPlayer); 1530 1531 object_unlock_exclusive(&pAudioPlayer->mObject); 1532 if (pAudioPlayer->mCallbackProtector != 0) { 1533 pAudioPlayer->mCallbackProtector->requestCbExitAndWait(); 1534 } 1535 object_lock_exclusive(&pAudioPlayer->mObject); 1536 1537 return result; 1538} 1539 1540 1541//----------------------------------------------------------------------------- 1542SLresult android_audioPlayer_destroy(CAudioPlayer *pAudioPlayer) { 1543 SLresult result = SL_RESULT_SUCCESS; 1544 SL_LOGV("android_audioPlayer_destroy(%p)", pAudioPlayer); 1545 switch (pAudioPlayer->mAndroidObjType) { 1546 1547 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1548 // We own the audio track for PCM buffer queue players 1549 if (pAudioPlayer->mAudioTrack != 0) { 1550 pAudioPlayer->mAudioTrack->stop(); 1551 // Note that there may still be another reference in post-unlock phase of SetPlayState 1552 pAudioPlayer->mAudioTrack.clear(); 1553 } 1554 break; 1555 1556 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1557 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1558 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1559 pAudioPlayer->mAPlayer.clear(); 1560 break; 1561 //----------------------------------- 1562 default: 1563 SL_LOGE(ERROR_PLAYERDESTROY_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1564 result = SL_RESULT_INTERNAL_ERROR; 1565 break; 1566 } 1567 1568 pAudioPlayer->mCallbackProtector.clear(); 1569 1570 // FIXME might not be needed 1571 pAudioPlayer->mAndroidObjType = INVALID_TYPE; 1572 1573 // explicit destructor 1574 pAudioPlayer->mAudioTrack.~sp(); 1575 // note that SetPlayState(PLAYING) may still hold a reference 1576 pAudioPlayer->mCallbackProtector.~sp(); 1577 pAudioPlayer->mAuxEffect.~sp(); 1578 pAudioPlayer->mAPlayer.~sp(); 1579 1580 if (pAudioPlayer->mpLock != NULL) { 1581 delete pAudioPlayer->mpLock; 1582 pAudioPlayer->mpLock = NULL; 1583 } 1584 1585 return result; 1586} 1587 1588 1589//----------------------------------------------------------------------------- 1590SLresult android_audioPlayer_setPlayRate(CAudioPlayer *ap, SLpermille rate, bool lockAP) { 1591 SLresult result = SL_RESULT_SUCCESS; 1592 uint32_t contentRate = 0; 1593 switch(ap->mAndroidObjType) { 1594 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1595 case AUDIOPLAYER_FROM_URIFD: { 1596 // get the content sample rate 1597 if (lockAP) { object_lock_shared(&ap->mObject); } 1598 uint32_t contentRate = sles_to_android_sampleRate(ap->mSampleRateMilliHz); 1599 if (lockAP) { object_unlock_shared(&ap->mObject); } 1600 // apply the SL ES playback rate on the AudioTrack as a factor of its content sample rate 1601 if (ap->mAudioTrack != 0) { 1602 ap->mAudioTrack->setSampleRate(contentRate * (rate/1000.0f)); 1603 } 1604 } 1605 break; 1606 1607 default: 1608 SL_LOGE("Unexpected object type %d", ap->mAndroidObjType); 1609 result = SL_RESULT_INTERNAL_ERROR; 1610 break; 1611 } 1612 return result; 1613} 1614 1615 1616//----------------------------------------------------------------------------- 1617// called with no lock held 1618SLresult android_audioPlayer_setPlaybackRateBehavior(CAudioPlayer *ap, 1619 SLuint32 constraints) { 1620 SLresult result = SL_RESULT_SUCCESS; 1621 switch(ap->mAndroidObjType) { 1622 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1623 case AUDIOPLAYER_FROM_URIFD: 1624 if (constraints != (constraints & SL_RATEPROP_NOPITCHCORAUDIO)) { 1625 result = SL_RESULT_FEATURE_UNSUPPORTED; 1626 } 1627 break; 1628 default: 1629 SL_LOGE("Unexpected object type %d", ap->mAndroidObjType); 1630 result = SL_RESULT_INTERNAL_ERROR; 1631 break; 1632 } 1633 return result; 1634} 1635 1636 1637//----------------------------------------------------------------------------- 1638// called with no lock held 1639SLresult android_audioPlayer_getCapabilitiesOfRate(CAudioPlayer *ap, 1640 SLuint32 *pCapabilities) { 1641 switch(ap->mAndroidObjType) { 1642 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1643 case AUDIOPLAYER_FROM_URIFD: 1644 *pCapabilities = SL_RATEPROP_NOPITCHCORAUDIO; 1645 break; 1646 default: 1647 *pCapabilities = 0; 1648 break; 1649 } 1650 return SL_RESULT_SUCCESS; 1651} 1652 1653 1654//----------------------------------------------------------------------------- 1655// precondition 1656// called with no lock held 1657// ap != NULL 1658// pItemCount != NULL 1659SLresult android_audioPlayer_metadata_getItemCount(CAudioPlayer *ap, SLuint32 *pItemCount) { 1660 if (ap->mAPlayer == 0) { 1661 return SL_RESULT_PARAMETER_INVALID; 1662 } 1663 switch(ap->mAndroidObjType) { 1664 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1665 { 1666 android::AudioSfDecoder* decoder = 1667 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1668 *pItemCount = decoder->getPcmFormatKeyCount(); 1669 } 1670 break; 1671 default: 1672 *pItemCount = 0; 1673 break; 1674 } 1675 return SL_RESULT_SUCCESS; 1676} 1677 1678 1679//----------------------------------------------------------------------------- 1680// precondition 1681// called with no lock held 1682// ap != NULL 1683// pKeySize != NULL 1684SLresult android_audioPlayer_metadata_getKeySize(CAudioPlayer *ap, 1685 SLuint32 index, SLuint32 *pKeySize) { 1686 if (ap->mAPlayer == 0) { 1687 return SL_RESULT_PARAMETER_INVALID; 1688 } 1689 SLresult res = SL_RESULT_SUCCESS; 1690 switch(ap->mAndroidObjType) { 1691 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1692 { 1693 android::AudioSfDecoder* decoder = 1694 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1695 SLuint32 keyNameSize = 0; 1696 if (!decoder->getPcmFormatKeySize(index, &keyNameSize)) { 1697 res = SL_RESULT_PARAMETER_INVALID; 1698 } else { 1699 // *pKeySize is the size of the region used to store the key name AND 1700 // the information about the key (size, lang, encoding) 1701 *pKeySize = keyNameSize + sizeof(SLMetadataInfo); 1702 } 1703 } 1704 break; 1705 default: 1706 *pKeySize = 0; 1707 res = SL_RESULT_PARAMETER_INVALID; 1708 break; 1709 } 1710 return res; 1711} 1712 1713 1714//----------------------------------------------------------------------------- 1715// precondition 1716// called with no lock held 1717// ap != NULL 1718// pKey != NULL 1719SLresult android_audioPlayer_metadata_getKey(CAudioPlayer *ap, 1720 SLuint32 index, SLuint32 size, SLMetadataInfo *pKey) { 1721 if (ap->mAPlayer == 0) { 1722 return SL_RESULT_PARAMETER_INVALID; 1723 } 1724 SLresult res = SL_RESULT_SUCCESS; 1725 switch(ap->mAndroidObjType) { 1726 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1727 { 1728 android::AudioSfDecoder* decoder = 1729 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1730 if ((size < sizeof(SLMetadataInfo) || 1731 (!decoder->getPcmFormatKeyName(index, size - sizeof(SLMetadataInfo), 1732 (char*)pKey->data)))) { 1733 res = SL_RESULT_PARAMETER_INVALID; 1734 } else { 1735 // successfully retrieved the key value, update the other fields 1736 pKey->encoding = SL_CHARACTERENCODING_UTF8; 1737 memcpy((char *) pKey->langCountry, "en", 3); 1738 pKey->size = strlen((char*)pKey->data) + 1; 1739 } 1740 } 1741 break; 1742 default: 1743 res = SL_RESULT_PARAMETER_INVALID; 1744 break; 1745 } 1746 return res; 1747} 1748 1749 1750//----------------------------------------------------------------------------- 1751// precondition 1752// called with no lock held 1753// ap != NULL 1754// pValueSize != NULL 1755SLresult android_audioPlayer_metadata_getValueSize(CAudioPlayer *ap, 1756 SLuint32 index, SLuint32 *pValueSize) { 1757 if (ap->mAPlayer == 0) { 1758 return SL_RESULT_PARAMETER_INVALID; 1759 } 1760 SLresult res = SL_RESULT_SUCCESS; 1761 switch(ap->mAndroidObjType) { 1762 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1763 { 1764 android::AudioSfDecoder* decoder = 1765 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1766 SLuint32 valueSize = 0; 1767 if (!decoder->getPcmFormatValueSize(index, &valueSize)) { 1768 res = SL_RESULT_PARAMETER_INVALID; 1769 } else { 1770 // *pValueSize is the size of the region used to store the key value AND 1771 // the information about the value (size, lang, encoding) 1772 *pValueSize = valueSize + sizeof(SLMetadataInfo); 1773 } 1774 } 1775 break; 1776 default: 1777 *pValueSize = 0; 1778 res = SL_RESULT_PARAMETER_INVALID; 1779 break; 1780 } 1781 return res; 1782} 1783 1784 1785//----------------------------------------------------------------------------- 1786// precondition 1787// called with no lock held 1788// ap != NULL 1789// pValue != NULL 1790SLresult android_audioPlayer_metadata_getValue(CAudioPlayer *ap, 1791 SLuint32 index, SLuint32 size, SLMetadataInfo *pValue) { 1792 if (ap->mAPlayer == 0) { 1793 return SL_RESULT_PARAMETER_INVALID; 1794 } 1795 SLresult res = SL_RESULT_SUCCESS; 1796 switch(ap->mAndroidObjType) { 1797 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1798 { 1799 android::AudioSfDecoder* decoder = 1800 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1801 pValue->encoding = SL_CHARACTERENCODING_BINARY; 1802 memcpy((char *) pValue->langCountry, "en", 3); // applicable here? 1803 SLuint32 valueSize = 0; 1804 if ((size < sizeof(SLMetadataInfo) 1805 || (!decoder->getPcmFormatValueSize(index, &valueSize)) 1806 || (!decoder->getPcmFormatKeyValue(index, size - sizeof(SLMetadataInfo), 1807 (SLuint32*)pValue->data)))) { 1808 res = SL_RESULT_PARAMETER_INVALID; 1809 } else { 1810 pValue->size = valueSize; 1811 } 1812 } 1813 break; 1814 default: 1815 res = SL_RESULT_PARAMETER_INVALID; 1816 break; 1817 } 1818 return res; 1819} 1820 1821//----------------------------------------------------------------------------- 1822// preconditions 1823// ap != NULL 1824// mutex is locked 1825// play state has changed 1826void android_audioPlayer_setPlayState(CAudioPlayer *ap) { 1827 1828 SLuint32 playState = ap->mPlay.mState; 1829 AndroidObjectState objState = ap->mAndroidObjState; 1830 1831 switch(ap->mAndroidObjType) { 1832 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1833 switch (playState) { 1834 case SL_PLAYSTATE_STOPPED: 1835 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED"); 1836 if (ap->mAudioTrack != 0) { 1837 ap->mAudioTrack->stop(); 1838 } 1839 break; 1840 case SL_PLAYSTATE_PAUSED: 1841 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED"); 1842 if (ap->mAudioTrack != 0) { 1843 ap->mAudioTrack->pause(); 1844 } 1845 break; 1846 case SL_PLAYSTATE_PLAYING: 1847 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING"); 1848 if (ap->mAudioTrack != 0) { 1849 // instead of ap->mAudioTrack->start(); 1850 ap->mDeferredStart = true; 1851 } 1852 break; 1853 default: 1854 // checked by caller, should not happen 1855 break; 1856 } 1857 break; 1858 1859 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1860 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1861 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1862 // FIXME report and use the return code to the lock mechanism, which is where play state 1863 // changes are updated (see object_unlock_exclusive_attributes()) 1864 aplayer_setPlayState(ap->mAPlayer, playState, &(ap->mAndroidObjState)); 1865 break; 1866 default: 1867 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_UNEXPECTED_OBJECT_TYPE_D, ap->mAndroidObjType); 1868 break; 1869 } 1870} 1871 1872 1873//----------------------------------------------------------------------------- 1874void android_audioPlayer_useEventMask(CAudioPlayer *ap) { 1875 IPlay *pPlayItf = &ap->mPlay; 1876 SLuint32 eventFlags = pPlayItf->mEventFlags; 1877 /*switch(ap->mAndroidObjType) { 1878 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:*/ 1879 1880 if (ap->mAudioTrack == 0) { 1881 return; 1882 } 1883 1884 if (eventFlags & SL_PLAYEVENT_HEADATMARKER) { 1885 ap->mAudioTrack->setMarkerPosition((uint32_t)((((int64_t)pPlayItf->mMarkerPosition 1886 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 1887 } else { 1888 // clear marker 1889 ap->mAudioTrack->setMarkerPosition(0); 1890 } 1891 1892 if (eventFlags & SL_PLAYEVENT_HEADATNEWPOS) { 1893 ap->mAudioTrack->setPositionUpdatePeriod( 1894 (uint32_t)((((int64_t)pPlayItf->mPositionUpdatePeriod 1895 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 1896 } else { 1897 // clear periodic update 1898 ap->mAudioTrack->setPositionUpdatePeriod(0); 1899 } 1900 1901 if (eventFlags & SL_PLAYEVENT_HEADATEND) { 1902 // nothing to do for SL_PLAYEVENT_HEADATEND, callback event will be checked against mask 1903 } 1904 1905 if (eventFlags & SL_PLAYEVENT_HEADMOVING) { 1906 // FIXME support SL_PLAYEVENT_HEADMOVING 1907 SL_LOGD("[ FIXME: IPlay_SetCallbackEventsMask(SL_PLAYEVENT_HEADMOVING) on an " 1908 "SL_OBJECTID_AUDIOPLAYER to be implemented ]"); 1909 } 1910 if (eventFlags & SL_PLAYEVENT_HEADSTALLED) { 1911 // nothing to do for SL_PLAYEVENT_HEADSTALLED, callback event will be checked against mask 1912 } 1913 1914} 1915 1916 1917//----------------------------------------------------------------------------- 1918SLresult android_audioPlayer_getDuration(IPlay *pPlayItf, SLmillisecond *pDurMsec) { 1919 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 1920 switch(ap->mAndroidObjType) { 1921 1922 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1923 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 1924 int32_t durationMsec = ANDROID_UNKNOWN_TIME; 1925 if (ap->mAPlayer != 0) { 1926 ap->mAPlayer->getDurationMsec(&durationMsec); 1927 } 1928 *pDurMsec = durationMsec == ANDROID_UNKNOWN_TIME ? SL_TIME_UNKNOWN : durationMsec; 1929 break; 1930 } 1931 1932 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1933 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: // intended fall-through 1934 default: { 1935 *pDurMsec = SL_TIME_UNKNOWN; 1936 } 1937 } 1938 return SL_RESULT_SUCCESS; 1939} 1940 1941 1942//----------------------------------------------------------------------------- 1943void android_audioPlayer_getPosition(IPlay *pPlayItf, SLmillisecond *pPosMsec) { 1944 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 1945 switch(ap->mAndroidObjType) { 1946 1947 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1948 if ((ap->mSampleRateMilliHz == UNKNOWN_SAMPLERATE) || (ap->mAudioTrack == 0)) { 1949 *pPosMsec = 0; 1950 } else { 1951 uint32_t positionInFrames; 1952 ap->mAudioTrack->getPosition(&positionInFrames); 1953 *pPosMsec = ((int64_t)positionInFrames * 1000) / 1954 sles_to_android_sampleRate(ap->mSampleRateMilliHz); 1955 } 1956 break; 1957 1958 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1959 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1960 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 1961 int32_t posMsec = ANDROID_UNKNOWN_TIME; 1962 if (ap->mAPlayer != 0) { 1963 ap->mAPlayer->getPositionMsec(&posMsec); 1964 } 1965 *pPosMsec = posMsec == ANDROID_UNKNOWN_TIME ? 0 : posMsec; 1966 break; 1967 } 1968 1969 default: 1970 *pPosMsec = 0; 1971 } 1972} 1973 1974 1975//----------------------------------------------------------------------------- 1976void android_audioPlayer_seek(CAudioPlayer *ap, SLmillisecond posMsec) { 1977 1978 switch(ap->mAndroidObjType) { 1979 1980 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: // intended fall-through 1981 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 1982 break; 1983 1984 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1985 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1986 if (ap->mAPlayer != 0) { 1987 ap->mAPlayer->seek(posMsec); 1988 } 1989 break; 1990 1991 default: 1992 break; 1993 } 1994} 1995 1996 1997//----------------------------------------------------------------------------- 1998void android_audioPlayer_loop(CAudioPlayer *ap, SLboolean loopEnable) { 1999 2000 if ((AUDIOPLAYER_FROM_URIFD == ap->mAndroidObjType) && (ap->mAPlayer != 0)) { 2001 ap->mAPlayer->loop((bool)loopEnable); 2002 } 2003} 2004 2005 2006//----------------------------------------------------------------------------- 2007SLresult android_audioPlayer_setBufferingUpdateThresholdPerMille(CAudioPlayer *ap, 2008 SLpermille threshold) { 2009 SLresult result = SL_RESULT_SUCCESS; 2010 2011 switch (ap->mAndroidObjType) { 2012 case AUDIOPLAYER_FROM_URIFD: 2013 if (ap->mAPlayer != 0) { 2014 ap->mAPlayer->setBufferingUpdateThreshold(threshold / 10); 2015 } 2016 break; 2017 2018 default: {} 2019 } 2020 2021 return result; 2022} 2023 2024 2025//----------------------------------------------------------------------------- 2026void android_audioPlayer_bufferQueue_onRefilled_l(CAudioPlayer *ap) { 2027 // the AudioTrack associated with the AudioPlayer receiving audio from a PCM buffer 2028 // queue was stopped when the queue become empty, we restart as soon as a new buffer 2029 // has been enqueued since we're in playing state 2030 if (ap->mAudioTrack != 0) { 2031 // instead of ap->mAudioTrack->start(); 2032 ap->mDeferredStart = true; 2033 } 2034 2035 // when the queue became empty, an underflow on the prefetch status itf was sent. Now the queue 2036 // has received new data, signal it has sufficient data 2037 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 2038 audioPlayer_dispatch_prefetchStatus_lockPrefetch(ap, SL_PREFETCHSTATUS_SUFFICIENTDATA, 2039 true); 2040 } 2041} 2042 2043 2044//----------------------------------------------------------------------------- 2045/* 2046 * BufferQueue::Clear 2047 */ 2048SLresult android_audioPlayer_bufferQueue_onClear(CAudioPlayer *ap) { 2049 SLresult result = SL_RESULT_SUCCESS; 2050 2051 switch (ap->mAndroidObjType) { 2052 //----------------------------------- 2053 // AudioTrack 2054 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2055 if (ap->mAudioTrack != 0) { 2056 ap->mAudioTrack->flush(); 2057 } 2058 break; 2059 default: 2060 result = SL_RESULT_INTERNAL_ERROR; 2061 break; 2062 } 2063 2064 return result; 2065} 2066 2067 2068//----------------------------------------------------------------------------- 2069void android_audioPlayer_androidBufferQueue_registerCallback_l(CAudioPlayer *ap) { 2070 if ((ap->mAndroidObjType == AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE) && (ap->mAPlayer != 0)) { 2071 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2072 splr->registerQueueCallback( 2073 (const void*)ap, true /*userIsAudioPlayer*/, 2074 ap->mAndroidBufferQueue.mContext, 2075 (const void*)&(ap->mAndroidBufferQueue.mItf)); 2076 } 2077} 2078 2079//----------------------------------------------------------------------------- 2080void android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer *ap) { 2081 if ((ap->mAndroidObjType == AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE) && (ap->mAPlayer != 0)) { 2082 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2083 splr->appClear_l(); 2084 } 2085} 2086 2087void android_audioPlayer_androidBufferQueue_onRefilled_l(CAudioPlayer *ap) { 2088 if ((ap->mAndroidObjType == AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE) && (ap->mAPlayer != 0)) { 2089 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2090 splr->queueRefilled_l(); 2091 } 2092} 2093