AudioPlayer_to_android.cpp revision c323fec2a2639c0cf7463016d592d0eb0539657c
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "sles_allinclusive.h" 18#include "android_prompts.h" 19#include "android/android_AudioToCbRenderer.h" 20#include "android/android_StreamPlayer.h" 21#include "android/android_LocAVPlayer.h" 22#include "android/include/AacBqToPcmCbRenderer.h" 23 24#include <fcntl.h> 25#include <sys/stat.h> 26 27#include <system/audio.h> 28 29template class android::KeyedVector<SLuint32, android::AudioEffect* > ; 30 31#define KEY_STREAM_TYPE_PARAMSIZE sizeof(SLint32) 32 33#define AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE 500 34#define AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE 2000 35 36#define MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE 37#define MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE 38 39//----------------------------------------------------------------------------- 40// FIXME this method will be absorbed into android_audioPlayer_setPlayState() once 41// bufferqueue and uri/fd playback are moved under the GenericPlayer C++ object 42SLresult aplayer_setPlayState(const android::sp<android::GenericPlayer> &ap, SLuint32 playState, 43 AndroidObjectState* pObjState) { 44 SLresult result = SL_RESULT_SUCCESS; 45 AndroidObjectState objState = *pObjState; 46 47 switch (playState) { 48 case SL_PLAYSTATE_STOPPED: 49 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_STOPPED"); 50 ap->stop(); 51 break; 52 case SL_PLAYSTATE_PAUSED: 53 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PAUSED"); 54 switch(objState) { 55 case ANDROID_UNINITIALIZED: 56 *pObjState = ANDROID_PREPARING; 57 ap->prepare(); 58 break; 59 case ANDROID_PREPARING: 60 break; 61 case ANDROID_READY: 62 ap->pause(); 63 break; 64 default: 65 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState); 66 result = SL_RESULT_INTERNAL_ERROR; 67 break; 68 } 69 break; 70 case SL_PLAYSTATE_PLAYING: { 71 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PLAYING"); 72 switch(objState) { 73 case ANDROID_UNINITIALIZED: 74 *pObjState = ANDROID_PREPARING; 75 ap->prepare(); 76 // intended fall through 77 case ANDROID_PREPARING: 78 // intended fall through 79 case ANDROID_READY: 80 ap->play(); 81 break; 82 default: 83 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState); 84 result = SL_RESULT_INTERNAL_ERROR; 85 break; 86 } 87 } 88 break; 89 default: 90 // checked by caller, should not happen 91 SL_LOGE(ERROR_SHOULDNT_BE_HERE_S, "aplayer_setPlayState"); 92 result = SL_RESULT_INTERNAL_ERROR; 93 break; 94 } 95 96 return result; 97} 98 99 100//----------------------------------------------------------------------------- 101// Callback associated with a AudioToCbRenderer of an SL ES AudioPlayer that gets its data 102// from a URI or FD, to write the decoded audio data to a buffer queue 103static size_t adecoder_writeToBufferQueue(const uint8_t *data, size_t size, CAudioPlayer* ap) { 104 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 105 // it is not safe to enter the callback (the player is about to go away) 106 return 0; 107 } 108 size_t sizeConsumed = 0; 109 SL_LOGD("received %d bytes from decoder", size); 110 slBufferQueueCallback callback = NULL; 111 void * callbackPContext = NULL; 112 113 // push decoded data to the buffer queue 114 object_lock_exclusive(&ap->mObject); 115 116 if (ap->mBufferQueue.mState.count != 0) { 117 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear); 118 119 BufferHeader *oldFront = ap->mBufferQueue.mFront; 120 BufferHeader *newFront = &oldFront[1]; 121 122 uint8_t *pDest = (uint8_t *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed; 123 if (ap->mBufferQueue.mSizeConsumed + size < oldFront->mSize) { 124 // room to consume the whole or rest of the decoded data in one shot 125 ap->mBufferQueue.mSizeConsumed += size; 126 // consume data but no callback to the BufferQueue interface here 127 memcpy (pDest, data, size); 128 sizeConsumed = size; 129 } else { 130 // push as much as possible of the decoded data into the buffer queue 131 sizeConsumed = oldFront->mSize - ap->mBufferQueue.mSizeConsumed; 132 133 // the buffer at the head of the buffer queue is full, update the state 134 ap->mBufferQueue.mSizeConsumed = 0; 135 if (newFront == &ap->mBufferQueue.mArray[ap->mBufferQueue.mNumBuffers + 1]) { 136 newFront = ap->mBufferQueue.mArray; 137 } 138 ap->mBufferQueue.mFront = newFront; 139 140 ap->mBufferQueue.mState.count--; 141 ap->mBufferQueue.mState.playIndex++; 142 // consume data 143 memcpy (pDest, data, sizeConsumed); 144 // data has been copied to the buffer, and the buffer queue state has been updated 145 // we will notify the client if applicable 146 callback = ap->mBufferQueue.mCallback; 147 // save callback data 148 callbackPContext = ap->mBufferQueue.mContext; 149 } 150 151 } else { 152 // no available buffers in the queue to write the decoded data 153 sizeConsumed = 0; 154 } 155 156 object_unlock_exclusive(&ap->mObject); 157 // notify client 158 if (NULL != callback) { 159 (*callback)(&ap->mBufferQueue.mItf, callbackPContext); 160 } 161 162 ap->mCallbackProtector->exitCb(); 163 return sizeConsumed; 164} 165 166 167//----------------------------------------------------------------------------- 168#define LEFT_CHANNEL_MASK 0x1 << 0 169#define RIGHT_CHANNEL_MASK 0x1 << 1 170 171void android_audioPlayer_volumeUpdate(CAudioPlayer* ap) 172{ 173 assert(ap != NULL); 174 175 // the source's channel count, where zero means unknown 176 SLuint8 channelCount = ap->mNumChannels; 177 178 // whether each channel is audible 179 bool leftAudibilityFactor, rightAudibilityFactor; 180 181 // mute has priority over solo 182 if (channelCount >= STEREO_CHANNELS) { 183 if (ap->mMuteMask & LEFT_CHANNEL_MASK) { 184 // left muted 185 leftAudibilityFactor = false; 186 } else { 187 // left not muted 188 if (ap->mSoloMask & LEFT_CHANNEL_MASK) { 189 // left soloed 190 leftAudibilityFactor = true; 191 } else { 192 // left not soloed 193 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) { 194 // right solo silences left 195 leftAudibilityFactor = false; 196 } else { 197 // left and right are not soloed, and left is not muted 198 leftAudibilityFactor = true; 199 } 200 } 201 } 202 203 if (ap->mMuteMask & RIGHT_CHANNEL_MASK) { 204 // right muted 205 rightAudibilityFactor = false; 206 } else { 207 // right not muted 208 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) { 209 // right soloed 210 rightAudibilityFactor = true; 211 } else { 212 // right not soloed 213 if (ap->mSoloMask & LEFT_CHANNEL_MASK) { 214 // left solo silences right 215 rightAudibilityFactor = false; 216 } else { 217 // left and right are not soloed, and right is not muted 218 rightAudibilityFactor = true; 219 } 220 } 221 } 222 223 // channel mute and solo are ignored for mono and unknown channel count sources 224 } else { 225 leftAudibilityFactor = true; 226 rightAudibilityFactor = true; 227 } 228 229 // compute volumes without setting 230 const bool audibilityFactors[2] = {leftAudibilityFactor, rightAudibilityFactor}; 231 float volumes[2]; 232 android_player_volumeUpdate(volumes, &ap->mVolume, channelCount, ap->mAmplFromDirectLevel, 233 audibilityFactors); 234 float leftVol = volumes[0], rightVol = volumes[1]; 235 236 // set volume on the underlying media player or audio track 237 if (ap->mAPlayer != 0) { 238 ap->mAPlayer->setVolume(leftVol, rightVol); 239 } else if (ap->mAudioTrack != 0) { 240 ap->mAudioTrack->setVolume(leftVol, rightVol); 241 } 242 243 // changes in the AudioPlayer volume must be reflected in the send level: 244 // in SLEffectSendItf or in SLAndroidEffectSendItf? 245 // FIXME replace interface test by an internal API once we have one. 246 if (NULL != ap->mEffectSend.mItf) { 247 for (unsigned int i=0 ; i<AUX_MAX ; i++) { 248 if (ap->mEffectSend.mEnableLevels[i].mEnable) { 249 android_fxSend_setSendLevel(ap, 250 ap->mEffectSend.mEnableLevels[i].mSendLevel + ap->mVolume.mLevel); 251 // there's a single aux bus on Android, so we can stop looking once the first 252 // aux effect is found. 253 break; 254 } 255 } 256 } else if (NULL != ap->mAndroidEffectSend.mItf) { 257 android_fxSend_setSendLevel(ap, ap->mAndroidEffectSend.mSendLevel + ap->mVolume.mLevel); 258 } 259} 260 261// Called by android_audioPlayer_volumeUpdate and android_mediaPlayer_volumeUpdate to compute 262// volumes, but setting volumes is handled by the caller. 263 264void android_player_volumeUpdate(float *pVolumes /*[2]*/, const IVolume *volumeItf, unsigned 265channelCount, float amplFromDirectLevel, const bool *audibilityFactors /*[2]*/) 266{ 267 assert(pVolumes != NULL); 268 assert(volumeItf != NULL); 269 // OK for audibilityFactors to be NULL 270 271 bool leftAudibilityFactor, rightAudibilityFactor; 272 273 // apply player mute factor 274 // note that AudioTrack has mute() but not MediaPlayer, so it's easier to use volume 275 // to mute for both rather than calling mute() for AudioTrack 276 277 // player is muted 278 if (volumeItf->mMute) { 279 leftAudibilityFactor = false; 280 rightAudibilityFactor = false; 281 // player isn't muted, and channel mute/solo audibility factors are available (AudioPlayer) 282 } else if (audibilityFactors != NULL) { 283 leftAudibilityFactor = audibilityFactors[0]; 284 rightAudibilityFactor = audibilityFactors[1]; 285 // player isn't muted, and channel mute/solo audibility factors aren't available (MediaPlayer) 286 } else { 287 leftAudibilityFactor = true; 288 rightAudibilityFactor = true; 289 } 290 291 // compute amplification as the combination of volume level and stereo position 292 // amplification (or attenuation) from volume level 293 float amplFromVolLevel = sles_to_android_amplification(volumeItf->mLevel); 294 // amplification from direct level (changed in SLEffectSendtItf and SLAndroidEffectSendItf) 295 float leftVol = amplFromVolLevel * amplFromDirectLevel; 296 float rightVol = leftVol; 297 298 // amplification from stereo position 299 if (volumeItf->mEnableStereoPosition) { 300 // Left/right amplification (can be attenuations) factors derived for the StereoPosition 301 float amplFromStereoPos[STEREO_CHANNELS]; 302 // panning law depends on content channel count: mono to stereo panning vs stereo balance 303 if (1 == channelCount) { 304 // mono to stereo panning 305 double theta = (1000+volumeItf->mStereoPosition)*M_PI_4/1000.0f; // 0 <= theta <= Pi/2 306 amplFromStereoPos[0] = cos(theta); 307 amplFromStereoPos[1] = sin(theta); 308 // channel count is 0 (unknown), 2 (stereo), or > 2 (multi-channel) 309 } else { 310 // stereo balance 311 if (volumeItf->mStereoPosition > 0) { 312 amplFromStereoPos[0] = (1000-volumeItf->mStereoPosition)/1000.0f; 313 amplFromStereoPos[1] = 1.0f; 314 } else { 315 amplFromStereoPos[0] = 1.0f; 316 amplFromStereoPos[1] = (1000+volumeItf->mStereoPosition)/1000.0f; 317 } 318 } 319 leftVol *= amplFromStereoPos[0]; 320 rightVol *= amplFromStereoPos[1]; 321 } 322 323 // apply audibility factors 324 if (!leftAudibilityFactor) { 325 leftVol = 0.0; 326 } 327 if (!rightAudibilityFactor) { 328 rightVol = 0.0; 329 } 330 331 // return the computed volumes 332 pVolumes[0] = leftVol; 333 pVolumes[1] = rightVol; 334} 335 336//----------------------------------------------------------------------------- 337void audioTrack_handleMarker_lockPlay(CAudioPlayer* ap) { 338 //SL_LOGV("received event EVENT_MARKER from AudioTrack"); 339 slPlayCallback callback = NULL; 340 void* callbackPContext = NULL; 341 342 interface_lock_shared(&ap->mPlay); 343 callback = ap->mPlay.mCallback; 344 callbackPContext = ap->mPlay.mContext; 345 interface_unlock_shared(&ap->mPlay); 346 347 if (NULL != callback) { 348 // getting this event implies SL_PLAYEVENT_HEADATMARKER was set in the event mask 349 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATMARKER); 350 } 351} 352 353//----------------------------------------------------------------------------- 354void audioTrack_handleNewPos_lockPlay(CAudioPlayer* ap) { 355 //SL_LOGV("received event EVENT_NEW_POS from AudioTrack"); 356 slPlayCallback callback = NULL; 357 void* callbackPContext = NULL; 358 359 interface_lock_shared(&ap->mPlay); 360 callback = ap->mPlay.mCallback; 361 callbackPContext = ap->mPlay.mContext; 362 interface_unlock_shared(&ap->mPlay); 363 364 if (NULL != callback) { 365 // getting this event implies SL_PLAYEVENT_HEADATNEWPOS was set in the event mask 366 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATNEWPOS); 367 } 368} 369 370 371//----------------------------------------------------------------------------- 372void audioTrack_handleUnderrun_lockPlay(CAudioPlayer* ap) { 373 slPlayCallback callback = NULL; 374 void* callbackPContext = NULL; 375 376 interface_lock_shared(&ap->mPlay); 377 callback = ap->mPlay.mCallback; 378 callbackPContext = ap->mPlay.mContext; 379 bool headStalled = (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADSTALLED) != 0; 380 interface_unlock_shared(&ap->mPlay); 381 382 if ((NULL != callback) && headStalled) { 383 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADSTALLED); 384 } 385} 386 387 388//----------------------------------------------------------------------------- 389/** 390 * post-condition: play state of AudioPlayer is SL_PLAYSTATE_PAUSED if setPlayStateToPaused is true 391 * 392 * note: a conditional flag, setPlayStateToPaused, is used here to specify whether the play state 393 * needs to be changed when the player reaches the end of the content to play. This is 394 * relative to what the specification describes for buffer queues vs the 395 * SL_PLAYEVENT_HEADATEND event. In the OpenSL ES specification 1.0.1: 396 * - section 8.12 SLBufferQueueItf states "In the case of starvation due to insufficient 397 * buffers in the queue, the playing of audio data stops. The player remains in the 398 * SL_PLAYSTATE_PLAYING state." 399 * - section 9.2.31 SL_PLAYEVENT states "SL_PLAYEVENT_HEADATEND Playback head is at the end 400 * of the current content and the player has paused." 401 */ 402void audioPlayer_dispatch_headAtEnd_lockPlay(CAudioPlayer *ap, bool setPlayStateToPaused, 403 bool needToLock) { 404 //SL_LOGV("ap=%p, setPlayStateToPaused=%d, needToLock=%d", ap, setPlayStateToPaused, 405 // needToLock); 406 slPlayCallback playCallback = NULL; 407 void * playContext = NULL; 408 // SLPlayItf callback or no callback? 409 if (needToLock) { 410 interface_lock_exclusive(&ap->mPlay); 411 } 412 if (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADATEND) { 413 playCallback = ap->mPlay.mCallback; 414 playContext = ap->mPlay.mContext; 415 } 416 if (setPlayStateToPaused) { 417 ap->mPlay.mState = SL_PLAYSTATE_PAUSED; 418 } 419 if (needToLock) { 420 interface_unlock_exclusive(&ap->mPlay); 421 } 422 // enqueue callback with no lock held 423 if (NULL != playCallback) { 424#ifndef USE_ASYNCHRONOUS_PLAY_CALLBACK 425 (*playCallback)(&ap->mPlay.mItf, playContext, SL_PLAYEVENT_HEADATEND); 426#else 427 SLresult result = EnqueueAsyncCallback_ppi(ap, playCallback, &ap->mPlay.mItf, playContext, 428 SL_PLAYEVENT_HEADATEND); 429 if (SL_RESULT_SUCCESS != result) { 430 ALOGW("Callback %p(%p, %p, SL_PLAYEVENT_HEADATEND) dropped", playCallback, 431 &ap->mPlay.mItf, playContext); 432 } 433#endif 434 } 435 436} 437 438 439//----------------------------------------------------------------------------- 440SLresult audioPlayer_setStreamType(CAudioPlayer* ap, SLint32 type) { 441 SLresult result = SL_RESULT_SUCCESS; 442 SL_LOGV("type %d", type); 443 444 audio_stream_type_t newStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE; 445 switch(type) { 446 case SL_ANDROID_STREAM_VOICE: 447 newStreamType = AUDIO_STREAM_VOICE_CALL; 448 break; 449 case SL_ANDROID_STREAM_SYSTEM: 450 newStreamType = AUDIO_STREAM_SYSTEM; 451 break; 452 case SL_ANDROID_STREAM_RING: 453 newStreamType = AUDIO_STREAM_RING; 454 break; 455 case SL_ANDROID_STREAM_MEDIA: 456 newStreamType = AUDIO_STREAM_MUSIC; 457 break; 458 case SL_ANDROID_STREAM_ALARM: 459 newStreamType = AUDIO_STREAM_ALARM; 460 break; 461 case SL_ANDROID_STREAM_NOTIFICATION: 462 newStreamType = AUDIO_STREAM_NOTIFICATION; 463 break; 464 default: 465 SL_LOGE(ERROR_PLAYERSTREAMTYPE_SET_UNKNOWN_TYPE); 466 result = SL_RESULT_PARAMETER_INVALID; 467 break; 468 } 469 470 // stream type needs to be set before the object is realized 471 // (ap->mAudioTrack is supposed to be NULL until then) 472 if (SL_OBJECT_STATE_UNREALIZED != ap->mObject.mState) { 473 SL_LOGE(ERROR_PLAYERSTREAMTYPE_REALIZED); 474 result = SL_RESULT_PRECONDITIONS_VIOLATED; 475 } else { 476 ap->mStreamType = newStreamType; 477 } 478 479 return result; 480} 481 482 483//----------------------------------------------------------------------------- 484SLresult audioPlayer_getStreamType(CAudioPlayer* ap, SLint32 *pType) { 485 SLresult result = SL_RESULT_SUCCESS; 486 487 switch(ap->mStreamType) { 488 case AUDIO_STREAM_VOICE_CALL: 489 *pType = SL_ANDROID_STREAM_VOICE; 490 break; 491 case AUDIO_STREAM_SYSTEM: 492 *pType = SL_ANDROID_STREAM_SYSTEM; 493 break; 494 case AUDIO_STREAM_RING: 495 *pType = SL_ANDROID_STREAM_RING; 496 break; 497 case AUDIO_STREAM_DEFAULT: 498 case AUDIO_STREAM_MUSIC: 499 *pType = SL_ANDROID_STREAM_MEDIA; 500 break; 501 case AUDIO_STREAM_ALARM: 502 *pType = SL_ANDROID_STREAM_ALARM; 503 break; 504 case AUDIO_STREAM_NOTIFICATION: 505 *pType = SL_ANDROID_STREAM_NOTIFICATION; 506 break; 507 default: 508 result = SL_RESULT_INTERNAL_ERROR; 509 *pType = SL_ANDROID_STREAM_MEDIA; 510 break; 511 } 512 513 return result; 514} 515 516 517//----------------------------------------------------------------------------- 518void audioPlayer_auxEffectUpdate(CAudioPlayer* ap) { 519 if ((ap->mAudioTrack != 0) && (ap->mAuxEffect != 0)) { 520 android_fxSend_attach(ap, true, ap->mAuxEffect, ap->mVolume.mLevel + ap->mAuxSendLevel); 521 } 522} 523 524 525//----------------------------------------------------------------------------- 526/* 527 * returns true if the given data sink is supported by AudioPlayer that doesn't 528 * play to an OutputMix object, false otherwise 529 * 530 * pre-condition: the locator of the audio sink is not SL_DATALOCATOR_OUTPUTMIX 531 */ 532bool audioPlayer_isSupportedNonOutputMixSink(const SLDataSink* pAudioSink) { 533 bool result = true; 534 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSink->pLocator; 535 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSink->pFormat; 536 537 switch (sinkLocatorType) { 538 539 case SL_DATALOCATOR_BUFFERQUEUE: 540 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 541 if (SL_DATAFORMAT_PCM != sinkFormatType) { 542 SL_LOGE("Unsupported sink format 0x%x, expected SL_DATAFORMAT_PCM", 543 (unsigned)sinkFormatType); 544 result = false; 545 } 546 // it's no use checking the PCM format fields because additional characteristics 547 // such as the number of channels, or sample size are unknown to the player at this stage 548 break; 549 550 default: 551 SL_LOGE("Unsupported sink locator type 0x%x", (unsigned)sinkLocatorType); 552 result = false; 553 break; 554 } 555 556 return result; 557} 558 559 560//----------------------------------------------------------------------------- 561/* 562 * returns the Android object type if the locator type combinations for the source and sinks 563 * are supported by this implementation, INVALID_TYPE otherwise 564 */ 565AndroidObjectType audioPlayer_getAndroidObjectTypeForSourceSink(CAudioPlayer *ap) { 566 567 const SLDataSource *pAudioSrc = &ap->mDataSource.u.mSource; 568 const SLDataSink *pAudioSnk = &ap->mDataSink.u.mSink; 569 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 570 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 571 AndroidObjectType type = INVALID_TYPE; 572 573 //-------------------------------------- 574 // Sink / source matching check: 575 // the following source / sink combinations are supported 576 // SL_DATALOCATOR_BUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 577 // SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 578 // SL_DATALOCATOR_URI / SL_DATALOCATOR_OUTPUTMIX 579 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_OUTPUTMIX 580 // SL_DATALOCATOR_ANDROIDBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX 581 // SL_DATALOCATOR_ANDROIDBUFFERQUEUE / SL_DATALOCATOR_BUFFERQUEUE 582 // SL_DATALOCATOR_URI / SL_DATALOCATOR_BUFFERQUEUE 583 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_BUFFERQUEUE 584 // SL_DATALOCATOR_URI / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 585 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 586 switch (sinkLocatorType) { 587 588 case SL_DATALOCATOR_OUTPUTMIX: { 589 switch (sourceLocatorType) { 590 591 // Buffer Queue to AudioTrack 592 case SL_DATALOCATOR_BUFFERQUEUE: 593 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 594 type = AUDIOPLAYER_FROM_PCM_BUFFERQUEUE; 595 break; 596 597 // URI or FD to MediaPlayer 598 case SL_DATALOCATOR_URI: 599 case SL_DATALOCATOR_ANDROIDFD: 600 type = AUDIOPLAYER_FROM_URIFD; 601 break; 602 603 // Android BufferQueue to MediaPlayer (shared memory streaming) 604 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 605 type = AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE; 606 break; 607 608 default: 609 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_OUTPUTMIX sink", 610 (unsigned)sourceLocatorType); 611 break; 612 } 613 } 614 break; 615 616 case SL_DATALOCATOR_BUFFERQUEUE: 617 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 618 switch (sourceLocatorType) { 619 620 // URI or FD decoded to PCM in a buffer queue 621 case SL_DATALOCATOR_URI: 622 case SL_DATALOCATOR_ANDROIDFD: 623 type = AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE; 624 break; 625 626 // AAC ADTS Android buffer queue decoded to PCM in a buffer queue 627 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 628 type = AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE; 629 break; 630 631 default: 632 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_BUFFERQUEUE sink", 633 (unsigned)sourceLocatorType); 634 break; 635 } 636 break; 637 638 default: 639 SL_LOGE("Sink data locator 0x%x not supported", (unsigned)sinkLocatorType); 640 break; 641 } 642 643 return type; 644} 645 646 647//----------------------------------------------------------------------------- 648/* 649 * Callback associated with an SfPlayer of an SL ES AudioPlayer that gets its data 650 * from a URI or FD, for prepare, prefetch, and play events 651 */ 652static void sfplayer_handlePrefetchEvent(int event, int data1, int data2, void* user) { 653 654 // FIXME see similar code and comment in player_handleMediaPlayerEventNotifications 655 656 if (NULL == user) { 657 return; 658 } 659 660 CAudioPlayer *ap = (CAudioPlayer *)user; 661 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 662 // it is not safe to enter the callback (the track is about to go away) 663 return; 664 } 665 union { 666 char c[sizeof(int)]; 667 int i; 668 } u; 669 u.i = event; 670 SL_LOGV("sfplayer_handlePrefetchEvent(event='%c%c%c%c' (%d), data1=%d, data2=%d, user=%p) from " 671 "SfAudioPlayer", u.c[3], u.c[2], u.c[1], u.c[0], event, data1, data2, user); 672 switch(event) { 673 674 case android::GenericPlayer::kEventPrepared: { 675 SL_LOGV("Received GenericPlayer::kEventPrepared for CAudioPlayer %p", ap); 676 677 // assume no callback 678 slPrefetchCallback callback = NULL; 679 void* callbackPContext; 680 SLuint32 events; 681 682 object_lock_exclusive(&ap->mObject); 683 684 // mark object as prepared; same state is used for successful or unsuccessful prepare 685 assert(ap->mAndroidObjState == ANDROID_PREPARING); 686 ap->mAndroidObjState = ANDROID_READY; 687 688 if (PLAYER_SUCCESS == data1) { 689 // Most of successful prepare completion for ap->mAPlayer 690 // is handled by GenericPlayer and its subclasses. 691 } else { 692 // SfPlayer prepare() failed prefetching, there is no event in SLPrefetchStatus to 693 // indicate a prefetch error, so we signal it by sending simultaneously two events: 694 // - SL_PREFETCHEVENT_FILLLEVELCHANGE with a level of 0 695 // - SL_PREFETCHEVENT_STATUSCHANGE with a status of SL_PREFETCHSTATUS_UNDERFLOW 696 SL_LOGE(ERROR_PLAYER_PREFETCH_d, data1); 697 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 698 ap->mPrefetchStatus.mLevel = 0; 699 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 700 if (!(~ap->mPrefetchStatus.mCallbackEventsMask & 701 (SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE))) { 702 callback = ap->mPrefetchStatus.mCallback; 703 callbackPContext = ap->mPrefetchStatus.mContext; 704 events = SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE; 705 } 706 } 707 } 708 709 object_unlock_exclusive(&ap->mObject); 710 711 // callback with no lock held 712 if (NULL != callback) { 713 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, events); 714 } 715 716 } 717 break; 718 719 case android::GenericPlayer::kEventPrefetchFillLevelUpdate : { 720 if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 721 break; 722 } 723 slPrefetchCallback callback = NULL; 724 void* callbackPContext = NULL; 725 726 // SLPrefetchStatusItf callback or no callback? 727 interface_lock_exclusive(&ap->mPrefetchStatus); 728 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE) { 729 callback = ap->mPrefetchStatus.mCallback; 730 callbackPContext = ap->mPrefetchStatus.mContext; 731 } 732 ap->mPrefetchStatus.mLevel = (SLpermille)data1; 733 interface_unlock_exclusive(&ap->mPrefetchStatus); 734 735 // callback with no lock held 736 if (NULL != callback) { 737 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, 738 SL_PREFETCHEVENT_FILLLEVELCHANGE); 739 } 740 } 741 break; 742 743 case android::GenericPlayer::kEventPrefetchStatusChange: { 744 if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 745 break; 746 } 747 slPrefetchCallback callback = NULL; 748 void* callbackPContext = NULL; 749 750 // SLPrefetchStatusItf callback or no callback? 751 object_lock_exclusive(&ap->mObject); 752 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) { 753 callback = ap->mPrefetchStatus.mCallback; 754 callbackPContext = ap->mPrefetchStatus.mContext; 755 } 756 if (data1 >= android::kStatusIntermediate) { 757 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA; 758 } else if (data1 < android::kStatusIntermediate) { 759 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 760 } 761 object_unlock_exclusive(&ap->mObject); 762 763 // callback with no lock held 764 if (NULL != callback) { 765 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, SL_PREFETCHEVENT_STATUSCHANGE); 766 } 767 } 768 break; 769 770 case android::GenericPlayer::kEventEndOfStream: { 771 audioPlayer_dispatch_headAtEnd_lockPlay(ap, true /*set state to paused?*/, true); 772 if ((ap->mAudioTrack != 0) && (!ap->mSeek.mLoopEnabled)) { 773 ap->mAudioTrack->stop(); 774 } 775 } 776 break; 777 778 case android::GenericPlayer::kEventChannelCount: { 779 object_lock_exclusive(&ap->mObject); 780 if (UNKNOWN_NUMCHANNELS == ap->mNumChannels && UNKNOWN_NUMCHANNELS != data1) { 781 ap->mNumChannels = data1; 782 android_audioPlayer_volumeUpdate(ap); 783 } 784 object_unlock_exclusive(&ap->mObject); 785 } 786 break; 787 788 case android::GenericPlayer::kEventPlay: { 789 slPlayCallback callback = NULL; 790 void* callbackPContext = NULL; 791 792 interface_lock_shared(&ap->mPlay); 793 callback = ap->mPlay.mCallback; 794 callbackPContext = ap->mPlay.mContext; 795 interface_unlock_shared(&ap->mPlay); 796 797 if (NULL != callback) { 798 SLuint32 event = (SLuint32) data1; // SL_PLAYEVENT_HEAD* 799#ifndef USE_ASYNCHRONOUS_PLAY_CALLBACK 800 // synchronous callback requires a synchronous GetPosition implementation 801 (*callback)(&ap->mPlay.mItf, callbackPContext, event); 802#else 803 // asynchronous callback works with any GetPosition implementation 804 SLresult result = EnqueueAsyncCallback_ppi(ap, callback, &ap->mPlay.mItf, 805 callbackPContext, event); 806 if (SL_RESULT_SUCCESS != result) { 807 ALOGW("Callback %p(%p, %p, 0x%x) dropped", callback, 808 &ap->mPlay.mItf, callbackPContext, event); 809 } 810#endif 811 } 812 } 813 break; 814 815 case android::GenericPlayer::kEventErrorAfterPrepare: { 816 SL_LOGV("kEventErrorAfterPrepare"); 817 818 // assume no callback 819 slPrefetchCallback callback = NULL; 820 void* callbackPContext = NULL; 821 822 object_lock_exclusive(&ap->mObject); 823 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) { 824 ap->mPrefetchStatus.mLevel = 0; 825 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 826 if (!(~ap->mPrefetchStatus.mCallbackEventsMask & 827 (SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE))) { 828 callback = ap->mPrefetchStatus.mCallback; 829 callbackPContext = ap->mPrefetchStatus.mContext; 830 } 831 } 832 object_unlock_exclusive(&ap->mObject); 833 834 // FIXME there's interesting information in data1, but no API to convey it to client 835 SL_LOGE("Error after prepare: %d", data1); 836 837 // callback with no lock held 838 if (NULL != callback) { 839 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, 840 SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE); 841 } 842 843 } 844 break; 845 846 case android::GenericPlayer::kEventHasVideoSize: 847 //SL_LOGW("Unexpected kEventHasVideoSize"); 848 break; 849 850 default: 851 break; 852 } 853 854 ap->mCallbackProtector->exitCb(); 855} 856 857// From EffectDownmix.h 858const uint32_t kSides = AUDIO_CHANNEL_OUT_SIDE_LEFT | AUDIO_CHANNEL_OUT_SIDE_RIGHT; 859const uint32_t kBacks = AUDIO_CHANNEL_OUT_BACK_LEFT | AUDIO_CHANNEL_OUT_BACK_RIGHT; 860const uint32_t kUnsupported = 861 AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER | AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER | 862 AUDIO_CHANNEL_OUT_TOP_CENTER | 863 AUDIO_CHANNEL_OUT_TOP_FRONT_LEFT | 864 AUDIO_CHANNEL_OUT_TOP_FRONT_CENTER | 865 AUDIO_CHANNEL_OUT_TOP_FRONT_RIGHT | 866 AUDIO_CHANNEL_OUT_TOP_BACK_LEFT | 867 AUDIO_CHANNEL_OUT_TOP_BACK_CENTER | 868 AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT; 869 870//TODO(pmclean) This will need to be revisited when arbitrary N-channel support is added. 871SLresult android_audioPlayer_validateChannelMask(uint32_t mask, int numChans) { 872 // Check that the number of channels falls within bounds. 873 if (numChans < 0 || numChans > 8) { 874 return SL_RESULT_CONTENT_UNSUPPORTED; 875 } 876 // Are there the right number of channels in the mask? 877 if (popcount(mask) != numChans) { 878 return SL_RESULT_CONTENT_UNSUPPORTED; 879 } 880 // check against unsupported channels 881 if (mask & kUnsupported) { 882 ALOGE("Unsupported channels (top or front left/right of center)"); 883 return SL_RESULT_CONTENT_UNSUPPORTED; 884 } 885 // verify has FL/FR if more than one channel 886 if (numChans > 1 && (mask & AUDIO_CHANNEL_OUT_STEREO) != AUDIO_CHANNEL_OUT_STEREO) { 887 ALOGE("Front channels must be present"); 888 return SL_RESULT_CONTENT_UNSUPPORTED; 889 } 890 // verify uses SIDE as a pair (ok if not using SIDE at all) 891 bool hasSides = false; 892 if ((mask & kSides) != 0) { 893 if ((mask & kSides) != kSides) { 894 ALOGE("Side channels must be used as a pair"); 895 return SL_RESULT_CONTENT_UNSUPPORTED; 896 } 897 hasSides = true; 898 } 899 // verify uses BACK as a pair (ok if not using BACK at all) 900 bool hasBacks = false; 901 if ((mask & kBacks) != 0) { 902 if ((mask & kBacks) != kBacks) { 903 ALOGE("Back channels must be used as a pair"); 904 return SL_RESULT_CONTENT_UNSUPPORTED; 905 } 906 hasBacks = true; 907 } 908 909 return SL_RESULT_SUCCESS; 910} 911 912//----------------------------------------------------------------------------- 913SLresult android_audioPlayer_checkSourceSink(CAudioPlayer *pAudioPlayer) 914{ 915 // verify that the locator types for the source / sink combination is supported 916 pAudioPlayer->mAndroidObjType = audioPlayer_getAndroidObjectTypeForSourceSink(pAudioPlayer); 917 if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) { 918 return SL_RESULT_PARAMETER_INVALID; 919 } 920 921 const SLDataSource *pAudioSrc = &pAudioPlayer->mDataSource.u.mSource; 922 const SLDataSink *pAudioSnk = &pAudioPlayer->mDataSink.u.mSink; 923 924 // format check: 925 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 926 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 927 const SLuint32 sourceFormatType = *(SLuint32 *)pAudioSrc->pFormat; 928 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSnk->pFormat; 929 930 switch (sourceLocatorType) { 931 //------------------ 932 // Buffer Queues 933 case SL_DATALOCATOR_BUFFERQUEUE: 934 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 935 { 936 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) pAudioSrc->pLocator; 937 938 // Buffer format 939 switch (sourceFormatType) { 940 // currently only PCM buffer queues are supported, 941 case SL_DATAFORMAT_PCM: { 942 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) pAudioSrc->pFormat; 943 SLresult result = android_audioPlayer_validateChannelMask(df_pcm->channelMask, 944 df_pcm->numChannels); 945 if (result != SL_RESULT_SUCCESS) { 946 SL_LOGE("Cannot create audio player: unsupported PCM data source with %u channels", 947 (unsigned) df_pcm->numChannels); 948 return result; 949 } 950 951 switch (df_pcm->samplesPerSec) { 952 case SL_SAMPLINGRATE_8: 953 case SL_SAMPLINGRATE_11_025: 954 case SL_SAMPLINGRATE_12: 955 case SL_SAMPLINGRATE_16: 956 case SL_SAMPLINGRATE_22_05: 957 case SL_SAMPLINGRATE_24: 958 case SL_SAMPLINGRATE_32: 959 case SL_SAMPLINGRATE_44_1: 960 case SL_SAMPLINGRATE_48: 961 break; 962 case SL_SAMPLINGRATE_64: 963 case SL_SAMPLINGRATE_88_2: 964 case SL_SAMPLINGRATE_96: 965 case SL_SAMPLINGRATE_192: 966 default: 967 SL_LOGE("Cannot create audio player: unsupported sample rate %u milliHz", 968 (unsigned) df_pcm->samplesPerSec); 969 return SL_RESULT_CONTENT_UNSUPPORTED; 970 } 971 switch (df_pcm->bitsPerSample) { 972 case SL_PCMSAMPLEFORMAT_FIXED_8: 973 case SL_PCMSAMPLEFORMAT_FIXED_16: 974 case SL_PCMSAMPLEFORMAT_FIXED_24: 975 case SL_PCMSAMPLEFORMAT_FIXED_32: 976 break; 977 // others 978 default: 979 // this should have already been rejected by checkDataFormat 980 SL_LOGE("Cannot create audio player: unsupported sample bit depth %u", 981 (SLuint32)df_pcm->bitsPerSample); 982 return SL_RESULT_CONTENT_UNSUPPORTED; 983 } 984 switch (df_pcm->containerSize) { 985 case 8: 986 case 16: 987 case 24: 988 case 32: 989 break; 990 // others 991 default: 992 SL_LOGE("Cannot create audio player: unsupported container size %u", 993 (unsigned) df_pcm->containerSize); 994 return SL_RESULT_CONTENT_UNSUPPORTED; 995 } 996 // df_pcm->channelMask: the earlier platform-independent check and the 997 // upcoming check by sles_to_android_channelMaskOut are sufficient 998 switch (df_pcm->endianness) { 999 case SL_BYTEORDER_LITTLEENDIAN: 1000 break; 1001 case SL_BYTEORDER_BIGENDIAN: 1002 SL_LOGE("Cannot create audio player: unsupported big-endian byte order"); 1003 return SL_RESULT_CONTENT_UNSUPPORTED; 1004 // native is proposed but not yet in spec 1005 default: 1006 SL_LOGE("Cannot create audio player: unsupported byte order %u", 1007 (unsigned) df_pcm->endianness); 1008 return SL_RESULT_CONTENT_UNSUPPORTED; 1009 } 1010 } //case SL_DATAFORMAT_PCM 1011 break; 1012 case SL_DATAFORMAT_MIME: 1013 case XA_DATAFORMAT_RAWIMAGE: 1014 SL_LOGE("Cannot create audio player with buffer queue data source " 1015 "without SL_DATAFORMAT_PCM format"); 1016 return SL_RESULT_CONTENT_UNSUPPORTED; 1017 default: 1018 // invalid data format is detected earlier 1019 assert(false); 1020 return SL_RESULT_INTERNAL_ERROR; 1021 } // switch (sourceFormatType) 1022 } // case SL_DATALOCATOR_BUFFERQUEUE or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 1023 break; 1024 //------------------ 1025 // URI 1026 case SL_DATALOCATOR_URI: 1027 { 1028 SLDataLocator_URI *dl_uri = (SLDataLocator_URI *) pAudioSrc->pLocator; 1029 if (NULL == dl_uri->URI) { 1030 return SL_RESULT_PARAMETER_INVALID; 1031 } 1032 // URI format 1033 switch (sourceFormatType) { 1034 case SL_DATAFORMAT_MIME: 1035 break; 1036 case SL_DATAFORMAT_PCM: 1037 case XA_DATAFORMAT_RAWIMAGE: 1038 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_URI data source without " 1039 "SL_DATAFORMAT_MIME format"); 1040 return SL_RESULT_CONTENT_UNSUPPORTED; 1041 } // switch (sourceFormatType) 1042 // decoding format check 1043 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 1044 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 1045 return SL_RESULT_CONTENT_UNSUPPORTED; 1046 } 1047 } // case SL_DATALOCATOR_URI 1048 break; 1049 //------------------ 1050 // File Descriptor 1051 case SL_DATALOCATOR_ANDROIDFD: 1052 { 1053 // fd is already non null 1054 switch (sourceFormatType) { 1055 case SL_DATAFORMAT_MIME: 1056 break; 1057 case SL_DATAFORMAT_PCM: 1058 // FIXME implement 1059 SL_LOGD("[ FIXME implement PCM FD data sources ]"); 1060 break; 1061 case XA_DATAFORMAT_RAWIMAGE: 1062 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_ANDROIDFD data source " 1063 "without SL_DATAFORMAT_MIME or SL_DATAFORMAT_PCM format"); 1064 return SL_RESULT_CONTENT_UNSUPPORTED; 1065 default: 1066 // invalid data format is detected earlier 1067 assert(false); 1068 return SL_RESULT_INTERNAL_ERROR; 1069 } // switch (sourceFormatType) 1070 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 1071 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 1072 return SL_RESULT_CONTENT_UNSUPPORTED; 1073 } 1074 } // case SL_DATALOCATOR_ANDROIDFD 1075 break; 1076 //------------------ 1077 // Stream 1078 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 1079 { 1080 switch (sourceFormatType) { 1081 case SL_DATAFORMAT_MIME: 1082 { 1083 SLDataFormat_MIME *df_mime = (SLDataFormat_MIME *) pAudioSrc->pFormat; 1084 if (NULL == df_mime) { 1085 SL_LOGE("MIME type null invalid"); 1086 return SL_RESULT_CONTENT_UNSUPPORTED; 1087 } 1088 SL_LOGD("source MIME is %s", (char*)df_mime->mimeType); 1089 switch(df_mime->containerType) { 1090 case SL_CONTAINERTYPE_MPEG_TS: 1091 if (strcasecmp((char*)df_mime->mimeType, (const char *)XA_ANDROID_MIME_MP2TS)) { 1092 SL_LOGE("Invalid MIME (%s) for container SL_CONTAINERTYPE_MPEG_TS, expects %s", 1093 (char*)df_mime->mimeType, XA_ANDROID_MIME_MP2TS); 1094 return SL_RESULT_CONTENT_UNSUPPORTED; 1095 } 1096 break; 1097 case SL_CONTAINERTYPE_RAW: 1098 case SL_CONTAINERTYPE_AAC: 1099 if (strcasecmp((char*)df_mime->mimeType, (const char *)SL_ANDROID_MIME_AACADTS) && 1100 strcasecmp((char*)df_mime->mimeType, 1101 ANDROID_MIME_AACADTS_ANDROID_FRAMEWORK)) { 1102 SL_LOGE("Invalid MIME (%s) for container type %d, expects %s", 1103 (char*)df_mime->mimeType, df_mime->containerType, 1104 SL_ANDROID_MIME_AACADTS); 1105 return SL_RESULT_CONTENT_UNSUPPORTED; 1106 } 1107 break; 1108 default: 1109 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1110 "that is not fed MPEG-2 TS data or AAC ADTS data"); 1111 return SL_RESULT_CONTENT_UNSUPPORTED; 1112 } 1113 } 1114 break; 1115 default: 1116 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1117 "without SL_DATAFORMAT_MIME format"); 1118 return SL_RESULT_CONTENT_UNSUPPORTED; 1119 } 1120 } 1121 break; // case SL_DATALOCATOR_ANDROIDBUFFERQUEUE 1122 //------------------ 1123 // Address 1124 case SL_DATALOCATOR_ADDRESS: 1125 case SL_DATALOCATOR_IODEVICE: 1126 case SL_DATALOCATOR_OUTPUTMIX: 1127 case XA_DATALOCATOR_NATIVEDISPLAY: 1128 case SL_DATALOCATOR_MIDIBUFFERQUEUE: 1129 SL_LOGE("Cannot create audio player with data locator type 0x%x", 1130 (unsigned) sourceLocatorType); 1131 return SL_RESULT_CONTENT_UNSUPPORTED; 1132 default: 1133 SL_LOGE("Cannot create audio player with invalid data locator type 0x%x", 1134 (unsigned) sourceLocatorType); 1135 return SL_RESULT_PARAMETER_INVALID; 1136 }// switch (locatorType) 1137 1138 return SL_RESULT_SUCCESS; 1139} 1140 1141 1142//----------------------------------------------------------------------------- 1143// Callback associated with an AudioTrack of an SL ES AudioPlayer that gets its data 1144// from a buffer queue. This will not be called once the AudioTrack has been destroyed. 1145static void audioTrack_callBack_pullFromBuffQueue(int event, void* user, void *info) { 1146 CAudioPlayer *ap = (CAudioPlayer *)user; 1147 1148 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 1149 // it is not safe to enter the callback (the track is about to go away) 1150 return; 1151 } 1152 1153 void * callbackPContext = NULL; 1154 switch(event) { 1155 1156 case android::AudioTrack::EVENT_MORE_DATA: { 1157 //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack TID=%d", gettid()); 1158 slBufferQueueCallback callback = NULL; 1159 slPrefetchCallback prefetchCallback = NULL; 1160 void *prefetchContext = NULL; 1161 SLuint32 prefetchEvents = SL_PREFETCHEVENT_NONE; 1162 android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info; 1163 1164 // retrieve data from the buffer queue 1165 interface_lock_exclusive(&ap->mBufferQueue); 1166 1167 if (ap->mBufferQueue.mState.count != 0) { 1168 //SL_LOGV("nbBuffers in queue = %u",ap->mBufferQueue.mState.count); 1169 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear); 1170 1171 BufferHeader *oldFront = ap->mBufferQueue.mFront; 1172 BufferHeader *newFront = &oldFront[1]; 1173 1174 // declared as void * because this code supports both 8-bit and 16-bit PCM data 1175 void *pSrc = (char *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed; 1176 if (ap->mBufferQueue.mSizeConsumed + pBuff->size < oldFront->mSize) { 1177 // can't consume the whole or rest of the buffer in one shot 1178 ap->mBufferQueue.mSizeConsumed += pBuff->size; 1179 // leave pBuff->size untouched 1180 // consume data 1181 // FIXME can we avoid holding the lock during the copy? 1182 memcpy (pBuff->raw, pSrc, pBuff->size); 1183 } else { 1184 // finish consuming the buffer or consume the buffer in one shot 1185 pBuff->size = oldFront->mSize - ap->mBufferQueue.mSizeConsumed; 1186 ap->mBufferQueue.mSizeConsumed = 0; 1187 1188 if (newFront == 1189 &ap->mBufferQueue.mArray 1190 [ap->mBufferQueue.mNumBuffers + 1]) 1191 { 1192 newFront = ap->mBufferQueue.mArray; 1193 } 1194 ap->mBufferQueue.mFront = newFront; 1195 1196 ap->mBufferQueue.mState.count--; 1197 ap->mBufferQueue.mState.playIndex++; 1198 1199 // consume data 1200 // FIXME can we avoid holding the lock during the copy? 1201 memcpy (pBuff->raw, pSrc, pBuff->size); 1202 1203 // data has been consumed, and the buffer queue state has been updated 1204 // we will notify the client if applicable 1205 callback = ap->mBufferQueue.mCallback; 1206 // save callback data 1207 callbackPContext = ap->mBufferQueue.mContext; 1208 } 1209 } else { // empty queue 1210 // signal no data available 1211 pBuff->size = 0; 1212 1213 // signal we're at the end of the content, but don't pause (see note in function) 1214 audioPlayer_dispatch_headAtEnd_lockPlay(ap, false /*set state to paused?*/, false); 1215 1216 // signal underflow to prefetch status itf 1217 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 1218 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 1219 ap->mPrefetchStatus.mLevel = 0; 1220 // callback or no callback? 1221 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask & 1222 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE); 1223 if (SL_PREFETCHEVENT_NONE != prefetchEvents) { 1224 prefetchCallback = ap->mPrefetchStatus.mCallback; 1225 prefetchContext = ap->mPrefetchStatus.mContext; 1226 } 1227 } 1228 1229 // stop the track so it restarts playing faster when new data is enqueued 1230 ap->mAudioTrack->stop(); 1231 } 1232 interface_unlock_exclusive(&ap->mBufferQueue); 1233 1234 // notify client 1235 if (NULL != prefetchCallback) { 1236 assert(SL_PREFETCHEVENT_NONE != prefetchEvents); 1237 // spec requires separate callbacks for each event 1238 if (prefetchEvents & SL_PREFETCHEVENT_STATUSCHANGE) { 1239 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, 1240 SL_PREFETCHEVENT_STATUSCHANGE); 1241 } 1242 if (prefetchEvents & SL_PREFETCHEVENT_FILLLEVELCHANGE) { 1243 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, 1244 SL_PREFETCHEVENT_FILLLEVELCHANGE); 1245 } 1246 } 1247 if (NULL != callback) { 1248 (*callback)(&ap->mBufferQueue.mItf, callbackPContext); 1249 } 1250 } 1251 break; 1252 1253 case android::AudioTrack::EVENT_MARKER: 1254 //SL_LOGI("received event EVENT_MARKER from AudioTrack"); 1255 audioTrack_handleMarker_lockPlay(ap); 1256 break; 1257 1258 case android::AudioTrack::EVENT_NEW_POS: 1259 //SL_LOGI("received event EVENT_NEW_POS from AudioTrack"); 1260 audioTrack_handleNewPos_lockPlay(ap); 1261 break; 1262 1263 case android::AudioTrack::EVENT_UNDERRUN: 1264 //SL_LOGI("received event EVENT_UNDERRUN from AudioTrack"); 1265 audioTrack_handleUnderrun_lockPlay(ap); 1266 break; 1267 1268 case android::AudioTrack::EVENT_BUFFER_END: 1269 case android::AudioTrack::EVENT_LOOP_END: 1270 // These are unexpected so fall through 1271 default: 1272 // FIXME where does the notification of SL_PLAYEVENT_HEADMOVING fit? 1273 SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event, 1274 (CAudioPlayer *)user); 1275 break; 1276 } 1277 1278 ap->mCallbackProtector->exitCb(); 1279} 1280 1281 1282//----------------------------------------------------------------------------- 1283void android_audioPlayer_create(CAudioPlayer *pAudioPlayer) { 1284 1285 // pAudioPlayer->mAndroidObjType has been set in android_audioPlayer_checkSourceSink() 1286 // and if it was == INVALID_TYPE, then IEngine_CreateAudioPlayer would never call us 1287 assert(INVALID_TYPE != pAudioPlayer->mAndroidObjType); 1288 1289 // These initializations are in the same order as the field declarations in classes.h 1290 1291 // FIXME Consolidate initializations (many of these already in IEngine_CreateAudioPlayer) 1292 // mAndroidObjType: see above comment 1293 pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED; 1294 pAudioPlayer->mSessionId = android::AudioSystem::newAudioSessionId(); 1295 1296 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player 1297 // android::AudioSystem::acquireAudioSessionId(pAudioPlayer->mSessionId); 1298 1299 pAudioPlayer->mStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE; 1300 1301 // mAudioTrack 1302 pAudioPlayer->mCallbackProtector = new android::CallbackProtector(); 1303 // mAPLayer 1304 // mAuxEffect 1305 1306 pAudioPlayer->mAuxSendLevel = 0; 1307 pAudioPlayer->mAmplFromDirectLevel = 1.0f; // matches initial mDirectLevel value 1308 pAudioPlayer->mDeferredStart = false; 1309 1310 // This section re-initializes interface-specific fields that 1311 // can be set or used regardless of whether the interface is 1312 // exposed on the AudioPlayer or not 1313 1314 switch (pAudioPlayer->mAndroidObjType) { 1315 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1316 pAudioPlayer->mPlaybackRate.mMinRate = AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE; 1317 pAudioPlayer->mPlaybackRate.mMaxRate = AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE; 1318 break; 1319 case AUDIOPLAYER_FROM_URIFD: 1320 pAudioPlayer->mPlaybackRate.mMinRate = MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE; 1321 pAudioPlayer->mPlaybackRate.mMaxRate = MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE; 1322 break; 1323 default: 1324 // use the default range 1325 break; 1326 } 1327 1328} 1329 1330 1331//----------------------------------------------------------------------------- 1332SLresult android_audioPlayer_setConfig(CAudioPlayer *ap, const SLchar *configKey, 1333 const void *pConfigValue, SLuint32 valueSize) { 1334 1335 SLresult result; 1336 1337 assert(NULL != ap && NULL != configKey && NULL != pConfigValue); 1338 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1339 1340 // stream type 1341 if (KEY_STREAM_TYPE_PARAMSIZE > valueSize) { 1342 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1343 result = SL_RESULT_BUFFER_INSUFFICIENT; 1344 } else { 1345 result = audioPlayer_setStreamType(ap, *(SLuint32*)pConfigValue); 1346 } 1347 1348 } else { 1349 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 1350 result = SL_RESULT_PARAMETER_INVALID; 1351 } 1352 1353 return result; 1354} 1355 1356 1357//----------------------------------------------------------------------------- 1358SLresult android_audioPlayer_getConfig(CAudioPlayer* ap, const SLchar *configKey, 1359 SLuint32* pValueSize, void *pConfigValue) { 1360 1361 SLresult result; 1362 1363 assert(NULL != ap && NULL != configKey && NULL != pValueSize); 1364 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1365 1366 // stream type 1367 if (NULL == pConfigValue) { 1368 result = SL_RESULT_SUCCESS; 1369 } else if (KEY_STREAM_TYPE_PARAMSIZE > *pValueSize) { 1370 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1371 result = SL_RESULT_BUFFER_INSUFFICIENT; 1372 } else { 1373 result = audioPlayer_getStreamType(ap, (SLint32*)pConfigValue); 1374 } 1375 *pValueSize = KEY_STREAM_TYPE_PARAMSIZE; 1376 1377 } else { 1378 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 1379 result = SL_RESULT_PARAMETER_INVALID; 1380 } 1381 1382 return result; 1383} 1384 1385 1386// Called from android_audioPlayer_realize for a PCM buffer queue player 1387// to determine if it can use a fast track. 1388static bool canUseFastTrack(CAudioPlayer *pAudioPlayer) 1389{ 1390 assert(pAudioPlayer->mAndroidObjType == AUDIOPLAYER_FROM_PCM_BUFFERQUEUE); 1391 1392 // no need to check the buffer queue size, application side 1393 // double-buffering (and more) is not a requirement for using fast tracks 1394 1395 // Check a blacklist of interfaces that are incompatible with fast tracks. 1396 // The alternative, to check a whitelist of compatible interfaces, is 1397 // more maintainable but is too slow. As a compromise, in a debug build 1398 // we use both methods and warn if they produce different results. 1399 // In release builds, we only use the blacklist method. 1400 // If a blacklisted interface is added after realization using 1401 // DynamicInterfaceManagement::AddInterface, 1402 // then this won't be detected but the interface will be ineffective. 1403 bool blacklistResult = true; 1404 static const unsigned blacklist[] = { 1405 MPH_BASSBOOST, 1406 MPH_EFFECTSEND, 1407 MPH_ENVIRONMENTALREVERB, 1408 MPH_EQUALIZER, 1409 MPH_PLAYBACKRATE, 1410 MPH_PRESETREVERB, 1411 MPH_VIRTUALIZER, 1412 MPH_ANDROIDEFFECT, 1413 MPH_ANDROIDEFFECTSEND, 1414 // FIXME The problem with a blacklist is remembering to add new interfaces here 1415 }; 1416 for (unsigned i = 0; i < sizeof(blacklist)/sizeof(blacklist[0]); ++i) { 1417 if (IsInterfaceInitialized(&pAudioPlayer->mObject, blacklist[i])) { 1418 blacklistResult = false; 1419 break; 1420 } 1421 } 1422#if LOG_NDEBUG == 0 1423 bool whitelistResult = true; 1424 static const unsigned whitelist[] = { 1425 MPH_BUFFERQUEUE, 1426 MPH_DYNAMICINTERFACEMANAGEMENT, 1427 MPH_METADATAEXTRACTION, 1428 MPH_MUTESOLO, 1429 MPH_OBJECT, 1430 MPH_PLAY, 1431 MPH_PREFETCHSTATUS, 1432 MPH_VOLUME, 1433 MPH_ANDROIDCONFIGURATION, 1434 MPH_ANDROIDSIMPLEBUFFERQUEUE, 1435 MPH_ANDROIDBUFFERQUEUESOURCE, 1436 }; 1437 for (unsigned mph = MPH_MIN; mph < MPH_MAX; ++mph) { 1438 for (unsigned i = 0; i < sizeof(whitelist)/sizeof(whitelist[0]); ++i) { 1439 if (mph == whitelist[i]) { 1440 goto compatible; 1441 } 1442 } 1443 if (IsInterfaceInitialized(&pAudioPlayer->mObject, mph)) { 1444 whitelistResult = false; 1445 break; 1446 } 1447compatible: ; 1448 } 1449 if (whitelistResult != blacklistResult) { 1450 ALOGW("whitelistResult != blacklistResult"); 1451 // and use blacklistResult below 1452 } 1453#endif 1454 return blacklistResult; 1455} 1456 1457 1458//----------------------------------------------------------------------------- 1459// FIXME abstract out the diff between CMediaPlayer and CAudioPlayer 1460SLresult android_audioPlayer_realize(CAudioPlayer *pAudioPlayer, SLboolean async) { 1461 1462 SLresult result = SL_RESULT_SUCCESS; 1463 SL_LOGV("Realize pAudioPlayer=%p", pAudioPlayer); 1464 1465 AudioPlayback_Parameters app; 1466 app.sessionId = pAudioPlayer->mSessionId; 1467 app.streamType = pAudioPlayer->mStreamType; 1468 1469 switch (pAudioPlayer->mAndroidObjType) { 1470 1471 //----------------------------------- 1472 // AudioTrack 1473 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1474 { 1475 // initialize platform-specific CAudioPlayer fields 1476 1477 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) 1478 pAudioPlayer->mDynamicSource.mDataSource; 1479 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) 1480 pAudioPlayer->mDynamicSource.mDataSource->pFormat; 1481 1482 uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec); 1483 1484 audio_output_flags_t policy; 1485 if (canUseFastTrack(pAudioPlayer)) { 1486 policy = AUDIO_OUTPUT_FLAG_FAST; 1487 } else { 1488 policy = AUDIO_OUTPUT_FLAG_NONE; 1489 } 1490 1491 pAudioPlayer->mAudioTrack = new android::AudioTrack( 1492 pAudioPlayer->mStreamType, // streamType 1493 sampleRate, // sampleRate 1494 sles_to_android_sampleFormat(df_pcm->formatType, df_pcm->containerSize), // format 1495 sles_to_android_channelMaskOut(df_pcm->numChannels, df_pcm->channelMask), 1496 // channel mask 1497 0, // frameCount 1498 policy, // flags 1499 audioTrack_callBack_pullFromBuffQueue, // callback 1500 (void *) pAudioPlayer, // user 1501 0, // FIXME find appropriate frame count // notificationFrame 1502 pAudioPlayer->mSessionId); 1503 android::status_t status = pAudioPlayer->mAudioTrack->initCheck(); 1504 if (status != android::NO_ERROR) { 1505 SL_LOGE("AudioTrack::initCheck status %u", status); 1506 result = SL_RESULT_CONTENT_UNSUPPORTED; 1507 pAudioPlayer->mAudioTrack.clear(); 1508 return result; 1509 } 1510 1511 // initialize platform-independent CAudioPlayer fields 1512 1513 pAudioPlayer->mNumChannels = df_pcm->numChannels; 1514 pAudioPlayer->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES 1515 1516 // This use case does not have a separate "prepare" step 1517 pAudioPlayer->mAndroidObjState = ANDROID_READY; 1518 } 1519 break; 1520 1521 //----------------------------------- 1522 // MediaPlayer 1523 case AUDIOPLAYER_FROM_URIFD: { 1524 pAudioPlayer->mAPlayer = new android::LocAVPlayer(&app, false /*hasVideo*/); 1525 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, 1526 (void*)pAudioPlayer /*notifUSer*/); 1527 1528 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1529 case SL_DATALOCATOR_URI: { 1530 // The legacy implementation ran Stagefright within the application process, and 1531 // so allowed local pathnames specified by URI that were openable by 1532 // the application but were not openable by mediaserver. 1533 // The current implementation runs Stagefright (mostly) within mediaserver, 1534 // which runs as a different UID and likely a different current working directory. 1535 // For backwards compatibility with any applications which may have relied on the 1536 // previous behavior, we convert an openable file URI into an FD. 1537 // Note that unlike SL_DATALOCATOR_ANDROIDFD, this FD is owned by us 1538 // and so we close it as soon as we've passed it (via Binder dup) to mediaserver. 1539 const char *uri = (const char *)pAudioPlayer->mDataSource.mLocator.mURI.URI; 1540 if (!isDistantProtocol(uri)) { 1541 // don't touch the original uri, we may need it later 1542 const char *pathname = uri; 1543 // skip over an optional leading file:// prefix 1544 if (!strncasecmp(pathname, "file://", 7)) { 1545 pathname += 7; 1546 } 1547 // attempt to open it as a file using the application's credentials 1548 int fd = ::open(pathname, O_RDONLY); 1549 if (fd >= 0) { 1550 // if open is successful, then check to see if it's a regular file 1551 struct stat statbuf; 1552 if (!::fstat(fd, &statbuf) && S_ISREG(statbuf.st_mode)) { 1553 // treat similarly to an FD data locator, but 1554 // let setDataSource take responsibility for closing fd 1555 pAudioPlayer->mAPlayer->setDataSource(fd, 0, statbuf.st_size, true); 1556 break; 1557 } 1558 // we were able to open it, but it's not a file, so let mediaserver try 1559 (void) ::close(fd); 1560 } 1561 } 1562 // if either the URI didn't look like a file, or open failed, or not a file 1563 pAudioPlayer->mAPlayer->setDataSource(uri); 1564 } break; 1565 case SL_DATALOCATOR_ANDROIDFD: { 1566 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1567 pAudioPlayer->mAPlayer->setDataSource( 1568 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1569 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1570 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1571 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1572 } 1573 break; 1574 default: 1575 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1576 break; 1577 } 1578 1579 } 1580 break; 1581 1582 //----------------------------------- 1583 // StreamPlayer 1584 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: { 1585 android::StreamPlayer* splr = new android::StreamPlayer(&app, false /*hasVideo*/, 1586 &pAudioPlayer->mAndroidBufferQueue, pAudioPlayer->mCallbackProtector); 1587 pAudioPlayer->mAPlayer = splr; 1588 splr->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1589 } 1590 break; 1591 1592 //----------------------------------- 1593 // AudioToCbRenderer 1594 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 1595 android::AudioToCbRenderer* decoder = new android::AudioToCbRenderer(&app); 1596 pAudioPlayer->mAPlayer = decoder; 1597 // configures the callback for the sink buffer queue 1598 decoder->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer); 1599 // configures the callback for the notifications coming from the SF code 1600 decoder->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1601 1602 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1603 case SL_DATALOCATOR_URI: 1604 decoder->setDataSource( 1605 (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI); 1606 break; 1607 case SL_DATALOCATOR_ANDROIDFD: { 1608 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1609 decoder->setDataSource( 1610 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1611 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1612 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1613 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1614 } 1615 break; 1616 default: 1617 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1618 break; 1619 } 1620 1621 } 1622 break; 1623 1624 //----------------------------------- 1625 // AacBqToPcmCbRenderer 1626 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: { 1627 android::AacBqToPcmCbRenderer* bqtobq = new android::AacBqToPcmCbRenderer(&app, 1628 &pAudioPlayer->mAndroidBufferQueue); 1629 // configures the callback for the sink buffer queue 1630 bqtobq->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer); 1631 pAudioPlayer->mAPlayer = bqtobq; 1632 // configures the callback for the notifications coming from the SF code, 1633 // but also implicitly configures the AndroidBufferQueue from which ADTS data is read 1634 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1635 } 1636 break; 1637 1638 //----------------------------------- 1639 default: 1640 SL_LOGE(ERROR_PLAYERREALIZE_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1641 result = SL_RESULT_INTERNAL_ERROR; 1642 break; 1643 } 1644 1645 // proceed with effect initialization 1646 // initialize EQ 1647 // FIXME use a table of effect descriptors when adding support for more effects 1648 if (memcmp(SL_IID_EQUALIZER, &pAudioPlayer->mEqualizer.mEqDescriptor.type, 1649 sizeof(effect_uuid_t)) == 0) { 1650 SL_LOGV("Need to initialize EQ for AudioPlayer=%p", pAudioPlayer); 1651 android_eq_init(pAudioPlayer->mSessionId, &pAudioPlayer->mEqualizer); 1652 } 1653 // initialize BassBoost 1654 if (memcmp(SL_IID_BASSBOOST, &pAudioPlayer->mBassBoost.mBassBoostDescriptor.type, 1655 sizeof(effect_uuid_t)) == 0) { 1656 SL_LOGV("Need to initialize BassBoost for AudioPlayer=%p", pAudioPlayer); 1657 android_bb_init(pAudioPlayer->mSessionId, &pAudioPlayer->mBassBoost); 1658 } 1659 // initialize Virtualizer 1660 if (memcmp(SL_IID_VIRTUALIZER, &pAudioPlayer->mVirtualizer.mVirtualizerDescriptor.type, 1661 sizeof(effect_uuid_t)) == 0) { 1662 SL_LOGV("Need to initialize Virtualizer for AudioPlayer=%p", pAudioPlayer); 1663 android_virt_init(pAudioPlayer->mSessionId, &pAudioPlayer->mVirtualizer); 1664 } 1665 1666 // initialize EffectSend 1667 // FIXME initialize EffectSend 1668 1669 return result; 1670} 1671 1672 1673//----------------------------------------------------------------------------- 1674/** 1675 * Called with a lock on AudioPlayer, and blocks until safe to destroy 1676 */ 1677SLresult android_audioPlayer_preDestroy(CAudioPlayer *pAudioPlayer) { 1678 SL_LOGD("android_audioPlayer_preDestroy(%p)", pAudioPlayer); 1679 SLresult result = SL_RESULT_SUCCESS; 1680 1681 bool disableCallbacksBeforePreDestroy; 1682 switch (pAudioPlayer->mAndroidObjType) { 1683 // Not yet clear why this order is important, but it reduces detected deadlocks 1684 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1685 disableCallbacksBeforePreDestroy = true; 1686 break; 1687 // Use the old behavior for all other use cases until proven 1688 // case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1689 default: 1690 disableCallbacksBeforePreDestroy = false; 1691 break; 1692 } 1693 1694 if (disableCallbacksBeforePreDestroy) { 1695 object_unlock_exclusive(&pAudioPlayer->mObject); 1696 if (pAudioPlayer->mCallbackProtector != 0) { 1697 pAudioPlayer->mCallbackProtector->requestCbExitAndWait(); 1698 } 1699 object_lock_exclusive(&pAudioPlayer->mObject); 1700 } 1701 1702 if (pAudioPlayer->mAPlayer != 0) { 1703 pAudioPlayer->mAPlayer->preDestroy(); 1704 } 1705 SL_LOGD("android_audioPlayer_preDestroy(%p) after mAPlayer->preDestroy()", pAudioPlayer); 1706 1707 if (!disableCallbacksBeforePreDestroy) { 1708 object_unlock_exclusive(&pAudioPlayer->mObject); 1709 if (pAudioPlayer->mCallbackProtector != 0) { 1710 pAudioPlayer->mCallbackProtector->requestCbExitAndWait(); 1711 } 1712 object_lock_exclusive(&pAudioPlayer->mObject); 1713 } 1714 1715 return result; 1716} 1717 1718 1719//----------------------------------------------------------------------------- 1720SLresult android_audioPlayer_destroy(CAudioPlayer *pAudioPlayer) { 1721 SLresult result = SL_RESULT_SUCCESS; 1722 SL_LOGV("android_audioPlayer_destroy(%p)", pAudioPlayer); 1723 switch (pAudioPlayer->mAndroidObjType) { 1724 1725 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1726 // We own the audio track for PCM buffer queue players 1727 if (pAudioPlayer->mAudioTrack != 0) { 1728 pAudioPlayer->mAudioTrack->stop(); 1729 // Note that there may still be another reference in post-unlock phase of SetPlayState 1730 pAudioPlayer->mAudioTrack.clear(); 1731 } 1732 break; 1733 1734 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1735 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1736 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through 1737 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1738 pAudioPlayer->mAPlayer.clear(); 1739 break; 1740 //----------------------------------- 1741 default: 1742 SL_LOGE(ERROR_PLAYERDESTROY_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1743 result = SL_RESULT_INTERNAL_ERROR; 1744 break; 1745 } 1746 1747 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player 1748 // android::AudioSystem::releaseAudioSessionId(pAudioPlayer->mSessionId); 1749 1750 pAudioPlayer->mCallbackProtector.clear(); 1751 1752 // explicit destructor 1753 pAudioPlayer->mAudioTrack.~sp(); 1754 // note that SetPlayState(PLAYING) may still hold a reference 1755 pAudioPlayer->mCallbackProtector.~sp(); 1756 pAudioPlayer->mAuxEffect.~sp(); 1757 pAudioPlayer->mAPlayer.~sp(); 1758 1759 return result; 1760} 1761 1762 1763//----------------------------------------------------------------------------- 1764SLresult android_audioPlayer_setPlaybackRateAndConstraints(CAudioPlayer *ap, SLpermille rate, 1765 SLuint32 constraints) { 1766 SLresult result = SL_RESULT_SUCCESS; 1767 switch(ap->mAndroidObjType) { 1768 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: { 1769 // these asserts were already checked by the platform-independent layer 1770 assert((AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE <= rate) && 1771 (rate <= AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE)); 1772 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO); 1773 // get the content sample rate 1774 uint32_t contentRate = sles_to_android_sampleRate(ap->mSampleRateMilliHz); 1775 // apply the SL ES playback rate on the AudioTrack as a factor of its content sample rate 1776 if (ap->mAudioTrack != 0) { 1777 ap->mAudioTrack->setSampleRate(contentRate * (rate/1000.0f)); 1778 } 1779 } 1780 break; 1781 case AUDIOPLAYER_FROM_URIFD: { 1782 assert((MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE <= rate) && 1783 (rate <= MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE)); 1784 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO); 1785 // apply the SL ES playback rate on the GenericPlayer 1786 if (ap->mAPlayer != 0) { 1787 ap->mAPlayer->setPlaybackRate((int16_t)rate); 1788 } 1789 } 1790 break; 1791 1792 default: 1793 SL_LOGE("Unexpected object type %d", ap->mAndroidObjType); 1794 result = SL_RESULT_FEATURE_UNSUPPORTED; 1795 break; 1796 } 1797 return result; 1798} 1799 1800 1801//----------------------------------------------------------------------------- 1802// precondition 1803// called with no lock held 1804// ap != NULL 1805// pItemCount != NULL 1806SLresult android_audioPlayer_metadata_getItemCount(CAudioPlayer *ap, SLuint32 *pItemCount) { 1807 if (ap->mAPlayer == 0) { 1808 return SL_RESULT_PARAMETER_INVALID; 1809 } 1810 switch(ap->mAndroidObjType) { 1811 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1812 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1813 { 1814 android::AudioSfDecoder* decoder = 1815 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1816 *pItemCount = decoder->getPcmFormatKeyCount(); 1817 } 1818 break; 1819 default: 1820 *pItemCount = 0; 1821 break; 1822 } 1823 return SL_RESULT_SUCCESS; 1824} 1825 1826 1827//----------------------------------------------------------------------------- 1828// precondition 1829// called with no lock held 1830// ap != NULL 1831// pKeySize != NULL 1832SLresult android_audioPlayer_metadata_getKeySize(CAudioPlayer *ap, 1833 SLuint32 index, SLuint32 *pKeySize) { 1834 if (ap->mAPlayer == 0) { 1835 return SL_RESULT_PARAMETER_INVALID; 1836 } 1837 SLresult res = SL_RESULT_SUCCESS; 1838 switch(ap->mAndroidObjType) { 1839 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1840 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1841 { 1842 android::AudioSfDecoder* decoder = 1843 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1844 SLuint32 keyNameSize = 0; 1845 if (!decoder->getPcmFormatKeySize(index, &keyNameSize)) { 1846 res = SL_RESULT_PARAMETER_INVALID; 1847 } else { 1848 // *pKeySize is the size of the region used to store the key name AND 1849 // the information about the key (size, lang, encoding) 1850 *pKeySize = keyNameSize + sizeof(SLMetadataInfo); 1851 } 1852 } 1853 break; 1854 default: 1855 *pKeySize = 0; 1856 res = SL_RESULT_PARAMETER_INVALID; 1857 break; 1858 } 1859 return res; 1860} 1861 1862 1863//----------------------------------------------------------------------------- 1864// precondition 1865// called with no lock held 1866// ap != NULL 1867// pKey != NULL 1868SLresult android_audioPlayer_metadata_getKey(CAudioPlayer *ap, 1869 SLuint32 index, SLuint32 size, SLMetadataInfo *pKey) { 1870 if (ap->mAPlayer == 0) { 1871 return SL_RESULT_PARAMETER_INVALID; 1872 } 1873 SLresult res = SL_RESULT_SUCCESS; 1874 switch(ap->mAndroidObjType) { 1875 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1876 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1877 { 1878 android::AudioSfDecoder* decoder = 1879 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1880 if ((size < sizeof(SLMetadataInfo) || 1881 (!decoder->getPcmFormatKeyName(index, size - sizeof(SLMetadataInfo), 1882 (char*)pKey->data)))) { 1883 res = SL_RESULT_PARAMETER_INVALID; 1884 } else { 1885 // successfully retrieved the key value, update the other fields 1886 pKey->encoding = SL_CHARACTERENCODING_UTF8; 1887 memcpy((char *) pKey->langCountry, "en", 3); 1888 pKey->size = strlen((char*)pKey->data) + 1; 1889 } 1890 } 1891 break; 1892 default: 1893 res = SL_RESULT_PARAMETER_INVALID; 1894 break; 1895 } 1896 return res; 1897} 1898 1899 1900//----------------------------------------------------------------------------- 1901// precondition 1902// called with no lock held 1903// ap != NULL 1904// pValueSize != NULL 1905SLresult android_audioPlayer_metadata_getValueSize(CAudioPlayer *ap, 1906 SLuint32 index, SLuint32 *pValueSize) { 1907 if (ap->mAPlayer == 0) { 1908 return SL_RESULT_PARAMETER_INVALID; 1909 } 1910 SLresult res = SL_RESULT_SUCCESS; 1911 switch(ap->mAndroidObjType) { 1912 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1913 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1914 { 1915 android::AudioSfDecoder* decoder = 1916 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1917 SLuint32 valueSize = 0; 1918 if (!decoder->getPcmFormatValueSize(index, &valueSize)) { 1919 res = SL_RESULT_PARAMETER_INVALID; 1920 } else { 1921 // *pValueSize is the size of the region used to store the key value AND 1922 // the information about the value (size, lang, encoding) 1923 *pValueSize = valueSize + sizeof(SLMetadataInfo); 1924 } 1925 } 1926 break; 1927 default: 1928 *pValueSize = 0; 1929 res = SL_RESULT_PARAMETER_INVALID; 1930 break; 1931 } 1932 return res; 1933} 1934 1935 1936//----------------------------------------------------------------------------- 1937// precondition 1938// called with no lock held 1939// ap != NULL 1940// pValue != NULL 1941SLresult android_audioPlayer_metadata_getValue(CAudioPlayer *ap, 1942 SLuint32 index, SLuint32 size, SLMetadataInfo *pValue) { 1943 if (ap->mAPlayer == 0) { 1944 return SL_RESULT_PARAMETER_INVALID; 1945 } 1946 SLresult res = SL_RESULT_SUCCESS; 1947 switch(ap->mAndroidObjType) { 1948 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1949 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1950 { 1951 android::AudioSfDecoder* decoder = 1952 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1953 pValue->encoding = SL_CHARACTERENCODING_BINARY; 1954 memcpy((char *) pValue->langCountry, "en", 3); // applicable here? 1955 SLuint32 valueSize = 0; 1956 if ((size < sizeof(SLMetadataInfo) 1957 || (!decoder->getPcmFormatValueSize(index, &valueSize)) 1958 || (!decoder->getPcmFormatKeyValue(index, size - sizeof(SLMetadataInfo), 1959 (SLuint32*)pValue->data)))) { 1960 res = SL_RESULT_PARAMETER_INVALID; 1961 } else { 1962 pValue->size = valueSize; 1963 } 1964 } 1965 break; 1966 default: 1967 res = SL_RESULT_PARAMETER_INVALID; 1968 break; 1969 } 1970 return res; 1971} 1972 1973//----------------------------------------------------------------------------- 1974// preconditions 1975// ap != NULL 1976// mutex is locked 1977// play state has changed 1978void android_audioPlayer_setPlayState(CAudioPlayer *ap) { 1979 1980 SLuint32 playState = ap->mPlay.mState; 1981 AndroidObjectState objState = ap->mAndroidObjState; 1982 1983 switch(ap->mAndroidObjType) { 1984 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1985 switch (playState) { 1986 case SL_PLAYSTATE_STOPPED: 1987 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED"); 1988 if (ap->mAudioTrack != 0) { 1989 ap->mAudioTrack->stop(); 1990 } 1991 break; 1992 case SL_PLAYSTATE_PAUSED: 1993 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED"); 1994 if (ap->mAudioTrack != 0) { 1995 ap->mAudioTrack->pause(); 1996 } 1997 break; 1998 case SL_PLAYSTATE_PLAYING: 1999 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING"); 2000 if (ap->mAudioTrack != 0) { 2001 // instead of ap->mAudioTrack->start(); 2002 ap->mDeferredStart = true; 2003 } 2004 break; 2005 default: 2006 // checked by caller, should not happen 2007 break; 2008 } 2009 break; 2010 2011 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2012 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2013 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through 2014 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2015 // FIXME report and use the return code to the lock mechanism, which is where play state 2016 // changes are updated (see object_unlock_exclusive_attributes()) 2017 aplayer_setPlayState(ap->mAPlayer, playState, &(ap->mAndroidObjState)); 2018 break; 2019 default: 2020 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_UNEXPECTED_OBJECT_TYPE_D, ap->mAndroidObjType); 2021 break; 2022 } 2023} 2024 2025 2026//----------------------------------------------------------------------------- 2027// call when either player event flags, marker position, or position update period changes 2028void android_audioPlayer_usePlayEventMask(CAudioPlayer *ap) { 2029 IPlay *pPlayItf = &ap->mPlay; 2030 SLuint32 eventFlags = pPlayItf->mEventFlags; 2031 /*switch(ap->mAndroidObjType) { 2032 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:*/ 2033 2034 if (ap->mAPlayer != 0) { 2035 assert(ap->mAudioTrack == 0); 2036 ap->mAPlayer->setPlayEvents((int32_t) eventFlags, (int32_t) pPlayItf->mMarkerPosition, 2037 (int32_t) pPlayItf->mPositionUpdatePeriod); 2038 return; 2039 } 2040 2041 if (ap->mAudioTrack == 0) { 2042 return; 2043 } 2044 2045 if (eventFlags & SL_PLAYEVENT_HEADATMARKER) { 2046 ap->mAudioTrack->setMarkerPosition((uint32_t)((((int64_t)pPlayItf->mMarkerPosition 2047 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 2048 } else { 2049 // clear marker 2050 ap->mAudioTrack->setMarkerPosition(0); 2051 } 2052 2053 if (eventFlags & SL_PLAYEVENT_HEADATNEWPOS) { 2054 ap->mAudioTrack->setPositionUpdatePeriod( 2055 (uint32_t)((((int64_t)pPlayItf->mPositionUpdatePeriod 2056 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 2057 } else { 2058 // clear periodic update 2059 ap->mAudioTrack->setPositionUpdatePeriod(0); 2060 } 2061 2062 if (eventFlags & SL_PLAYEVENT_HEADATEND) { 2063 // nothing to do for SL_PLAYEVENT_HEADATEND, callback event will be checked against mask 2064 } 2065 2066 if (eventFlags & SL_PLAYEVENT_HEADMOVING) { 2067 // FIXME support SL_PLAYEVENT_HEADMOVING 2068 SL_LOGD("[ FIXME: IPlay_SetCallbackEventsMask(SL_PLAYEVENT_HEADMOVING) on an " 2069 "SL_OBJECTID_AUDIOPLAYER to be implemented ]"); 2070 } 2071 if (eventFlags & SL_PLAYEVENT_HEADSTALLED) { 2072 // nothing to do for SL_PLAYEVENT_HEADSTALLED, callback event will be checked against mask 2073 } 2074 2075} 2076 2077 2078//----------------------------------------------------------------------------- 2079SLresult android_audioPlayer_getDuration(IPlay *pPlayItf, SLmillisecond *pDurMsec) { 2080 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 2081 switch(ap->mAndroidObjType) { 2082 2083 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2084 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 2085 int32_t durationMsec = ANDROID_UNKNOWN_TIME; 2086 if (ap->mAPlayer != 0) { 2087 ap->mAPlayer->getDurationMsec(&durationMsec); 2088 } 2089 *pDurMsec = durationMsec == ANDROID_UNKNOWN_TIME ? SL_TIME_UNKNOWN : durationMsec; 2090 break; 2091 } 2092 2093 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2094 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2095 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2096 default: { 2097 *pDurMsec = SL_TIME_UNKNOWN; 2098 } 2099 } 2100 return SL_RESULT_SUCCESS; 2101} 2102 2103 2104//----------------------------------------------------------------------------- 2105void android_audioPlayer_getPosition(IPlay *pPlayItf, SLmillisecond *pPosMsec) { 2106 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 2107 switch(ap->mAndroidObjType) { 2108 2109 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2110 if ((ap->mSampleRateMilliHz == UNKNOWN_SAMPLERATE) || (ap->mAudioTrack == 0)) { 2111 *pPosMsec = 0; 2112 } else { 2113 uint32_t positionInFrames; 2114 ap->mAudioTrack->getPosition(&positionInFrames); 2115 *pPosMsec = ((int64_t)positionInFrames * 1000) / 2116 sles_to_android_sampleRate(ap->mSampleRateMilliHz); 2117 } 2118 break; 2119 2120 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2121 case AUDIOPLAYER_FROM_URIFD: 2122 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2123 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: { 2124 int32_t posMsec = ANDROID_UNKNOWN_TIME; 2125 if (ap->mAPlayer != 0) { 2126 ap->mAPlayer->getPositionMsec(&posMsec); 2127 } 2128 *pPosMsec = posMsec == ANDROID_UNKNOWN_TIME ? 0 : posMsec; 2129 break; 2130 } 2131 2132 default: 2133 *pPosMsec = 0; 2134 } 2135} 2136 2137 2138//----------------------------------------------------------------------------- 2139SLresult android_audioPlayer_seek(CAudioPlayer *ap, SLmillisecond posMsec) { 2140 SLresult result = SL_RESULT_SUCCESS; 2141 2142 switch(ap->mAndroidObjType) { 2143 2144 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: // intended fall-through 2145 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2146 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2147 result = SL_RESULT_FEATURE_UNSUPPORTED; 2148 break; 2149 2150 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2151 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2152 if (ap->mAPlayer != 0) { 2153 ap->mAPlayer->seek(posMsec); 2154 } 2155 break; 2156 2157 default: 2158 break; 2159 } 2160 return result; 2161} 2162 2163 2164//----------------------------------------------------------------------------- 2165SLresult android_audioPlayer_loop(CAudioPlayer *ap, SLboolean loopEnable) { 2166 SLresult result = SL_RESULT_SUCCESS; 2167 2168 switch (ap->mAndroidObjType) { 2169 case AUDIOPLAYER_FROM_URIFD: 2170 // case AUDIOPLAY_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2171 // would actually work, but what's the point? 2172 if (ap->mAPlayer != 0) { 2173 ap->mAPlayer->loop((bool)loopEnable); 2174 } 2175 break; 2176 default: 2177 result = SL_RESULT_FEATURE_UNSUPPORTED; 2178 break; 2179 } 2180 return result; 2181} 2182 2183 2184//----------------------------------------------------------------------------- 2185SLresult android_audioPlayer_setBufferingUpdateThresholdPerMille(CAudioPlayer *ap, 2186 SLpermille threshold) { 2187 SLresult result = SL_RESULT_SUCCESS; 2188 2189 switch (ap->mAndroidObjType) { 2190 case AUDIOPLAYER_FROM_URIFD: 2191 if (ap->mAPlayer != 0) { 2192 ap->mAPlayer->setBufferingUpdateThreshold(threshold / 10); 2193 } 2194 break; 2195 2196 default: {} 2197 } 2198 2199 return result; 2200} 2201 2202 2203//----------------------------------------------------------------------------- 2204void android_audioPlayer_bufferQueue_onRefilled_l(CAudioPlayer *ap) { 2205 // the AudioTrack associated with the AudioPlayer receiving audio from a PCM buffer 2206 // queue was stopped when the queue become empty, we restart as soon as a new buffer 2207 // has been enqueued since we're in playing state 2208 if (ap->mAudioTrack != 0) { 2209 // instead of ap->mAudioTrack->start(); 2210 ap->mDeferredStart = true; 2211 } 2212 2213 // when the queue became empty, an underflow on the prefetch status itf was sent. Now the queue 2214 // has received new data, signal it has sufficient data 2215 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 2216 // we wouldn't have been called unless we were previously in the underflow state 2217 assert(SL_PREFETCHSTATUS_UNDERFLOW == ap->mPrefetchStatus.mStatus); 2218 assert(0 == ap->mPrefetchStatus.mLevel); 2219 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA; 2220 ap->mPrefetchStatus.mLevel = 1000; 2221 // callback or no callback? 2222 SLuint32 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask & 2223 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE); 2224 if (SL_PREFETCHEVENT_NONE != prefetchEvents) { 2225 ap->mPrefetchStatus.mDeferredPrefetchCallback = ap->mPrefetchStatus.mCallback; 2226 ap->mPrefetchStatus.mDeferredPrefetchContext = ap->mPrefetchStatus.mContext; 2227 ap->mPrefetchStatus.mDeferredPrefetchEvents = prefetchEvents; 2228 } 2229 } 2230} 2231 2232 2233//----------------------------------------------------------------------------- 2234/* 2235 * BufferQueue::Clear 2236 */ 2237SLresult android_audioPlayer_bufferQueue_onClear(CAudioPlayer *ap) { 2238 SLresult result = SL_RESULT_SUCCESS; 2239 2240 switch (ap->mAndroidObjType) { 2241 //----------------------------------- 2242 // AudioTrack 2243 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2244 if (ap->mAudioTrack != 0) { 2245 ap->mAudioTrack->flush(); 2246 } 2247 break; 2248 default: 2249 result = SL_RESULT_INTERNAL_ERROR; 2250 break; 2251 } 2252 2253 return result; 2254} 2255 2256 2257//----------------------------------------------------------------------------- 2258void android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer *ap) { 2259 switch (ap->mAndroidObjType) { 2260 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2261 if (ap->mAPlayer != 0) { 2262 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2263 splr->appClear_l(); 2264 } break; 2265 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2266 // nothing to do here, fall through 2267 default: 2268 break; 2269 } 2270} 2271 2272void android_audioPlayer_androidBufferQueue_onRefilled_l(CAudioPlayer *ap) { 2273 switch (ap->mAndroidObjType) { 2274 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2275 if (ap->mAPlayer != 0) { 2276 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2277 splr->queueRefilled(); 2278 } break; 2279 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2280 // FIXME this may require waking up the decoder if it is currently starved and isn't polling 2281 default: 2282 break; 2283 } 2284} 2285