AudioPlayer_to_android.cpp revision 769b5d55d6733e02dc9ea36c3922ba3880838c9c
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 (audio_channel_count_from_out_mask(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 const SLuint32 *df_representation = NULL; // pointer to representation field, if it exists 931 932 switch (sourceLocatorType) { 933 //------------------ 934 // Buffer Queues 935 case SL_DATALOCATOR_BUFFERQUEUE: 936 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 937 { 938 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) pAudioSrc->pLocator; 939 940 // Buffer format 941 switch (sourceFormatType) { 942 // currently only PCM buffer queues are supported, 943 case SL_ANDROID_DATAFORMAT_PCM_EX: { 944 SLAndroidDataFormat_PCM_EX *df_pcm = 945 (SLAndroidDataFormat_PCM_EX *) pAudioSrc->pFormat; 946 switch (df_pcm->representation) { 947 case SL_ANDROID_PCM_REPRESENTATION_SIGNED_INT: 948 case SL_ANDROID_PCM_REPRESENTATION_UNSIGNED_INT: 949 case SL_ANDROID_PCM_REPRESENTATION_FLOAT: 950 df_representation = &df_pcm->representation; 951 break; 952 default: 953 SL_LOGE("Cannot create audio player: unsupported representation: %d", 954 df_pcm->representation); 955 return SL_RESULT_CONTENT_UNSUPPORTED; 956 } 957 }; // SL_ANDROID_DATAFORMAT_PCM_EX - fall through to next test. 958 case SL_DATAFORMAT_PCM: { 959 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) pAudioSrc->pFormat; 960 SLresult result = android_audioPlayer_validateChannelMask(df_pcm->channelMask, 961 df_pcm->numChannels); 962 if (result != SL_RESULT_SUCCESS) { 963 SL_LOGE("Cannot create audio player: unsupported PCM data source with %u channels", 964 (unsigned) df_pcm->numChannels); 965 return result; 966 } 967 968 switch (df_pcm->samplesPerSec) { 969 case SL_SAMPLINGRATE_8: 970 case SL_SAMPLINGRATE_11_025: 971 case SL_SAMPLINGRATE_12: 972 case SL_SAMPLINGRATE_16: 973 case SL_SAMPLINGRATE_22_05: 974 case SL_SAMPLINGRATE_24: 975 case SL_SAMPLINGRATE_32: 976 case SL_SAMPLINGRATE_44_1: 977 case SL_SAMPLINGRATE_48: 978 break; 979 case SL_SAMPLINGRATE_64: 980 case SL_SAMPLINGRATE_88_2: 981 case SL_SAMPLINGRATE_96: 982 case SL_SAMPLINGRATE_192: 983 default: 984 SL_LOGE("Cannot create audio player: unsupported sample rate %u milliHz", 985 (unsigned) df_pcm->samplesPerSec); 986 return SL_RESULT_CONTENT_UNSUPPORTED; 987 } 988 switch (df_pcm->bitsPerSample) { 989 case SL_PCMSAMPLEFORMAT_FIXED_8: 990 if (df_representation && 991 *df_representation != SL_ANDROID_PCM_REPRESENTATION_UNSIGNED_INT) { 992 goto default_err; 993 } 994 break; 995 case SL_PCMSAMPLEFORMAT_FIXED_16: 996 case SL_PCMSAMPLEFORMAT_FIXED_24: 997 if (df_representation && 998 *df_representation != SL_ANDROID_PCM_REPRESENTATION_SIGNED_INT) { 999 goto default_err; 1000 } 1001 break; 1002 case SL_PCMSAMPLEFORMAT_FIXED_32: 1003 if (df_representation 1004 && *df_representation != SL_ANDROID_PCM_REPRESENTATION_SIGNED_INT 1005 && *df_representation != SL_ANDROID_PCM_REPRESENTATION_FLOAT) { 1006 goto default_err; 1007 } 1008 break; 1009 // others 1010 default: 1011 default_err: 1012 // this should have already been rejected by checkDataFormat 1013 SL_LOGE("Cannot create audio player: unsupported sample bit depth %u", 1014 (SLuint32)df_pcm->bitsPerSample); 1015 return SL_RESULT_CONTENT_UNSUPPORTED; 1016 } 1017 switch (df_pcm->containerSize) { 1018 case 8: 1019 case 16: 1020 case 24: 1021 case 32: 1022 break; 1023 // others 1024 default: 1025 SL_LOGE("Cannot create audio player: unsupported container size %u", 1026 (unsigned) df_pcm->containerSize); 1027 return SL_RESULT_CONTENT_UNSUPPORTED; 1028 } 1029 // df_pcm->channelMask: the earlier platform-independent check and the 1030 // upcoming check by sles_to_android_channelMaskOut are sufficient 1031 switch (df_pcm->endianness) { 1032 case SL_BYTEORDER_LITTLEENDIAN: 1033 break; 1034 case SL_BYTEORDER_BIGENDIAN: 1035 SL_LOGE("Cannot create audio player: unsupported big-endian byte order"); 1036 return SL_RESULT_CONTENT_UNSUPPORTED; 1037 // native is proposed but not yet in spec 1038 default: 1039 SL_LOGE("Cannot create audio player: unsupported byte order %u", 1040 (unsigned) df_pcm->endianness); 1041 return SL_RESULT_CONTENT_UNSUPPORTED; 1042 } 1043 } //case SL_DATAFORMAT_PCM 1044 break; 1045 case SL_DATAFORMAT_MIME: 1046 case XA_DATAFORMAT_RAWIMAGE: 1047 SL_LOGE("Cannot create audio player with buffer queue data source " 1048 "without SL_DATAFORMAT_PCM format"); 1049 return SL_RESULT_CONTENT_UNSUPPORTED; 1050 default: 1051 // invalid data format is detected earlier 1052 assert(false); 1053 return SL_RESULT_INTERNAL_ERROR; 1054 } // switch (sourceFormatType) 1055 } // case SL_DATALOCATOR_BUFFERQUEUE or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 1056 break; 1057 //------------------ 1058 // URI 1059 case SL_DATALOCATOR_URI: 1060 { 1061 SLDataLocator_URI *dl_uri = (SLDataLocator_URI *) pAudioSrc->pLocator; 1062 if (NULL == dl_uri->URI) { 1063 return SL_RESULT_PARAMETER_INVALID; 1064 } 1065 // URI format 1066 switch (sourceFormatType) { 1067 case SL_DATAFORMAT_MIME: 1068 break; 1069 case SL_DATAFORMAT_PCM: 1070 case XA_DATAFORMAT_RAWIMAGE: 1071 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_URI data source without " 1072 "SL_DATAFORMAT_MIME format"); 1073 return SL_RESULT_CONTENT_UNSUPPORTED; 1074 } // switch (sourceFormatType) 1075 // decoding format check 1076 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 1077 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 1078 return SL_RESULT_CONTENT_UNSUPPORTED; 1079 } 1080 } // case SL_DATALOCATOR_URI 1081 break; 1082 //------------------ 1083 // File Descriptor 1084 case SL_DATALOCATOR_ANDROIDFD: 1085 { 1086 // fd is already non null 1087 switch (sourceFormatType) { 1088 case SL_DATAFORMAT_MIME: 1089 break; 1090 case SL_DATAFORMAT_PCM: 1091 // FIXME implement 1092 SL_LOGD("[ FIXME implement PCM FD data sources ]"); 1093 break; 1094 case XA_DATAFORMAT_RAWIMAGE: 1095 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_ANDROIDFD data source " 1096 "without SL_DATAFORMAT_MIME or SL_DATAFORMAT_PCM format"); 1097 return SL_RESULT_CONTENT_UNSUPPORTED; 1098 default: 1099 // invalid data format is detected earlier 1100 assert(false); 1101 return SL_RESULT_INTERNAL_ERROR; 1102 } // switch (sourceFormatType) 1103 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) && 1104 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) { 1105 return SL_RESULT_CONTENT_UNSUPPORTED; 1106 } 1107 } // case SL_DATALOCATOR_ANDROIDFD 1108 break; 1109 //------------------ 1110 // Stream 1111 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 1112 { 1113 switch (sourceFormatType) { 1114 case SL_DATAFORMAT_MIME: 1115 { 1116 SLDataFormat_MIME *df_mime = (SLDataFormat_MIME *) pAudioSrc->pFormat; 1117 if (NULL == df_mime) { 1118 SL_LOGE("MIME type null invalid"); 1119 return SL_RESULT_CONTENT_UNSUPPORTED; 1120 } 1121 SL_LOGD("source MIME is %s", (char*)df_mime->mimeType); 1122 switch(df_mime->containerType) { 1123 case SL_CONTAINERTYPE_MPEG_TS: 1124 if (strcasecmp((char*)df_mime->mimeType, (const char *)XA_ANDROID_MIME_MP2TS)) { 1125 SL_LOGE("Invalid MIME (%s) for container SL_CONTAINERTYPE_MPEG_TS, expects %s", 1126 (char*)df_mime->mimeType, XA_ANDROID_MIME_MP2TS); 1127 return SL_RESULT_CONTENT_UNSUPPORTED; 1128 } 1129 if (pAudioPlayer->mAndroidObjType != AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE) { 1130 SL_LOGE("Invalid sink for container SL_CONTAINERTYPE_MPEG_TS"); 1131 return SL_RESULT_PARAMETER_INVALID; 1132 } 1133 break; 1134 case SL_CONTAINERTYPE_RAW: 1135 case SL_CONTAINERTYPE_AAC: 1136 if (strcasecmp((char*)df_mime->mimeType, (const char *)SL_ANDROID_MIME_AACADTS) && 1137 strcasecmp((char*)df_mime->mimeType, 1138 ANDROID_MIME_AACADTS_ANDROID_FRAMEWORK)) { 1139 SL_LOGE("Invalid MIME (%s) for container type %d, expects %s", 1140 (char*)df_mime->mimeType, df_mime->containerType, 1141 SL_ANDROID_MIME_AACADTS); 1142 return SL_RESULT_CONTENT_UNSUPPORTED; 1143 } 1144 if (pAudioPlayer->mAndroidObjType != AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE) { 1145 SL_LOGE("Invalid sink for container SL_CONTAINERTYPE_AAC"); 1146 return SL_RESULT_PARAMETER_INVALID; 1147 } 1148 break; 1149 default: 1150 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1151 "that is not fed MPEG-2 TS data or AAC ADTS data"); 1152 return SL_RESULT_CONTENT_UNSUPPORTED; 1153 } 1154 } 1155 break; 1156 default: 1157 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source " 1158 "without SL_DATAFORMAT_MIME format"); 1159 return SL_RESULT_CONTENT_UNSUPPORTED; 1160 } 1161 } 1162 break; // case SL_DATALOCATOR_ANDROIDBUFFERQUEUE 1163 //------------------ 1164 // Address 1165 case SL_DATALOCATOR_ADDRESS: 1166 case SL_DATALOCATOR_IODEVICE: 1167 case SL_DATALOCATOR_OUTPUTMIX: 1168 case XA_DATALOCATOR_NATIVEDISPLAY: 1169 case SL_DATALOCATOR_MIDIBUFFERQUEUE: 1170 SL_LOGE("Cannot create audio player with data locator type 0x%x", 1171 (unsigned) sourceLocatorType); 1172 return SL_RESULT_CONTENT_UNSUPPORTED; 1173 default: 1174 SL_LOGE("Cannot create audio player with invalid data locator type 0x%x", 1175 (unsigned) sourceLocatorType); 1176 return SL_RESULT_PARAMETER_INVALID; 1177 }// switch (locatorType) 1178 1179 return SL_RESULT_SUCCESS; 1180} 1181 1182 1183//----------------------------------------------------------------------------- 1184// Callback associated with an AudioTrack of an SL ES AudioPlayer that gets its data 1185// from a buffer queue. This will not be called once the AudioTrack has been destroyed. 1186static void audioTrack_callBack_pullFromBuffQueue(int event, void* user, void *info) { 1187 CAudioPlayer *ap = (CAudioPlayer *)user; 1188 1189 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) { 1190 // it is not safe to enter the callback (the track is about to go away) 1191 return; 1192 } 1193 1194 void * callbackPContext = NULL; 1195 switch(event) { 1196 1197 case android::AudioTrack::EVENT_MORE_DATA: { 1198 //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack TID=%d", gettid()); 1199 slBufferQueueCallback callback = NULL; 1200 slPrefetchCallback prefetchCallback = NULL; 1201 void *prefetchContext = NULL; 1202 SLuint32 prefetchEvents = SL_PREFETCHEVENT_NONE; 1203 android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info; 1204 1205 // retrieve data from the buffer queue 1206 interface_lock_exclusive(&ap->mBufferQueue); 1207 1208 if (ap->mBufferQueue.mState.count != 0) { 1209 //SL_LOGV("nbBuffers in queue = %u",ap->mBufferQueue.mState.count); 1210 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear); 1211 1212 BufferHeader *oldFront = ap->mBufferQueue.mFront; 1213 BufferHeader *newFront = &oldFront[1]; 1214 1215 // declared as void * because this code supports both 8-bit and 16-bit PCM data 1216 void *pSrc = (char *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed; 1217 if (ap->mBufferQueue.mSizeConsumed + pBuff->size < oldFront->mSize) { 1218 // can't consume the whole or rest of the buffer in one shot 1219 ap->mBufferQueue.mSizeConsumed += pBuff->size; 1220 // leave pBuff->size untouched 1221 // consume data 1222 // FIXME can we avoid holding the lock during the copy? 1223 memcpy (pBuff->raw, pSrc, pBuff->size); 1224 } else { 1225 // finish consuming the buffer or consume the buffer in one shot 1226 pBuff->size = oldFront->mSize - ap->mBufferQueue.mSizeConsumed; 1227 ap->mBufferQueue.mSizeConsumed = 0; 1228 1229 if (newFront == 1230 &ap->mBufferQueue.mArray 1231 [ap->mBufferQueue.mNumBuffers + 1]) 1232 { 1233 newFront = ap->mBufferQueue.mArray; 1234 } 1235 ap->mBufferQueue.mFront = newFront; 1236 1237 ap->mBufferQueue.mState.count--; 1238 ap->mBufferQueue.mState.playIndex++; 1239 1240 // consume data 1241 // FIXME can we avoid holding the lock during the copy? 1242 memcpy (pBuff->raw, pSrc, pBuff->size); 1243 1244 // data has been consumed, and the buffer queue state has been updated 1245 // we will notify the client if applicable 1246 callback = ap->mBufferQueue.mCallback; 1247 // save callback data 1248 callbackPContext = ap->mBufferQueue.mContext; 1249 } 1250 } else { // empty queue 1251 // signal no data available 1252 pBuff->size = 0; 1253 1254 // signal we're at the end of the content, but don't pause (see note in function) 1255 audioPlayer_dispatch_headAtEnd_lockPlay(ap, false /*set state to paused?*/, false); 1256 1257 // signal underflow to prefetch status itf 1258 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 1259 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW; 1260 ap->mPrefetchStatus.mLevel = 0; 1261 // callback or no callback? 1262 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask & 1263 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE); 1264 if (SL_PREFETCHEVENT_NONE != prefetchEvents) { 1265 prefetchCallback = ap->mPrefetchStatus.mCallback; 1266 prefetchContext = ap->mPrefetchStatus.mContext; 1267 } 1268 } 1269 1270 // stop the track so it restarts playing faster when new data is enqueued 1271 ap->mAudioTrack->stop(); 1272 } 1273 interface_unlock_exclusive(&ap->mBufferQueue); 1274 1275 // notify client 1276 if (NULL != prefetchCallback) { 1277 assert(SL_PREFETCHEVENT_NONE != prefetchEvents); 1278 // spec requires separate callbacks for each event 1279 if (prefetchEvents & SL_PREFETCHEVENT_STATUSCHANGE) { 1280 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, 1281 SL_PREFETCHEVENT_STATUSCHANGE); 1282 } 1283 if (prefetchEvents & SL_PREFETCHEVENT_FILLLEVELCHANGE) { 1284 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, 1285 SL_PREFETCHEVENT_FILLLEVELCHANGE); 1286 } 1287 } 1288 if (NULL != callback) { 1289 (*callback)(&ap->mBufferQueue.mItf, callbackPContext); 1290 } 1291 } 1292 break; 1293 1294 case android::AudioTrack::EVENT_MARKER: 1295 //SL_LOGI("received event EVENT_MARKER from AudioTrack"); 1296 audioTrack_handleMarker_lockPlay(ap); 1297 break; 1298 1299 case android::AudioTrack::EVENT_NEW_POS: 1300 //SL_LOGI("received event EVENT_NEW_POS from AudioTrack"); 1301 audioTrack_handleNewPos_lockPlay(ap); 1302 break; 1303 1304 case android::AudioTrack::EVENT_UNDERRUN: 1305 //SL_LOGI("received event EVENT_UNDERRUN from AudioTrack"); 1306 audioTrack_handleUnderrun_lockPlay(ap); 1307 break; 1308 1309 case android::AudioTrack::EVENT_BUFFER_END: 1310 case android::AudioTrack::EVENT_LOOP_END: 1311 // These are unexpected so fall through 1312 default: 1313 // FIXME where does the notification of SL_PLAYEVENT_HEADMOVING fit? 1314 SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event, 1315 (CAudioPlayer *)user); 1316 break; 1317 } 1318 1319 ap->mCallbackProtector->exitCb(); 1320} 1321 1322 1323//----------------------------------------------------------------------------- 1324void android_audioPlayer_create(CAudioPlayer *pAudioPlayer) { 1325 1326 // pAudioPlayer->mAndroidObjType has been set in android_audioPlayer_checkSourceSink() 1327 // and if it was == INVALID_TYPE, then IEngine_CreateAudioPlayer would never call us 1328 assert(INVALID_TYPE != pAudioPlayer->mAndroidObjType); 1329 1330 // These initializations are in the same order as the field declarations in classes.h 1331 1332 // FIXME Consolidate initializations (many of these already in IEngine_CreateAudioPlayer) 1333 // mAndroidObjType: see above comment 1334 pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED; 1335 pAudioPlayer->mSessionId = android::AudioSystem::newAudioUniqueId(); 1336 1337 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player 1338 // android::AudioSystem::acquireAudioSessionId(pAudioPlayer->mSessionId); 1339 1340 pAudioPlayer->mStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE; 1341 1342 // mAudioTrack 1343 pAudioPlayer->mCallbackProtector = new android::CallbackProtector(); 1344 // mAPLayer 1345 // mAuxEffect 1346 1347 pAudioPlayer->mAuxSendLevel = 0; 1348 pAudioPlayer->mAmplFromDirectLevel = 1.0f; // matches initial mDirectLevel value 1349 pAudioPlayer->mDeferredStart = false; 1350 1351 // This section re-initializes interface-specific fields that 1352 // can be set or used regardless of whether the interface is 1353 // exposed on the AudioPlayer or not 1354 1355 switch (pAudioPlayer->mAndroidObjType) { 1356 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1357 pAudioPlayer->mPlaybackRate.mMinRate = AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE; 1358 pAudioPlayer->mPlaybackRate.mMaxRate = AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE; 1359 break; 1360 case AUDIOPLAYER_FROM_URIFD: 1361 pAudioPlayer->mPlaybackRate.mMinRate = MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE; 1362 pAudioPlayer->mPlaybackRate.mMaxRate = MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE; 1363 break; 1364 default: 1365 // use the default range 1366 break; 1367 } 1368 1369} 1370 1371 1372//----------------------------------------------------------------------------- 1373SLresult android_audioPlayer_setConfig(CAudioPlayer *ap, const SLchar *configKey, 1374 const void *pConfigValue, SLuint32 valueSize) { 1375 1376 SLresult result; 1377 1378 assert(NULL != ap && NULL != configKey && NULL != pConfigValue); 1379 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1380 1381 // stream type 1382 if (KEY_STREAM_TYPE_PARAMSIZE > valueSize) { 1383 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1384 result = SL_RESULT_BUFFER_INSUFFICIENT; 1385 } else { 1386 result = audioPlayer_setStreamType(ap, *(SLuint32*)pConfigValue); 1387 } 1388 1389 } else { 1390 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 1391 result = SL_RESULT_PARAMETER_INVALID; 1392 } 1393 1394 return result; 1395} 1396 1397 1398//----------------------------------------------------------------------------- 1399SLresult android_audioPlayer_getConfig(CAudioPlayer* ap, const SLchar *configKey, 1400 SLuint32* pValueSize, void *pConfigValue) { 1401 1402 SLresult result; 1403 1404 assert(NULL != ap && NULL != configKey && NULL != pValueSize); 1405 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) { 1406 1407 // stream type 1408 if (NULL == pConfigValue) { 1409 result = SL_RESULT_SUCCESS; 1410 } else if (KEY_STREAM_TYPE_PARAMSIZE > *pValueSize) { 1411 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 1412 result = SL_RESULT_BUFFER_INSUFFICIENT; 1413 } else { 1414 result = audioPlayer_getStreamType(ap, (SLint32*)pConfigValue); 1415 } 1416 *pValueSize = KEY_STREAM_TYPE_PARAMSIZE; 1417 1418 } else { 1419 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 1420 result = SL_RESULT_PARAMETER_INVALID; 1421 } 1422 1423 return result; 1424} 1425 1426 1427// Called from android_audioPlayer_realize for a PCM buffer queue player 1428// to determine if it can use a fast track. 1429static bool canUseFastTrack(CAudioPlayer *pAudioPlayer) 1430{ 1431 assert(pAudioPlayer->mAndroidObjType == AUDIOPLAYER_FROM_PCM_BUFFERQUEUE); 1432 1433 // no need to check the buffer queue size, application side 1434 // double-buffering (and more) is not a requirement for using fast tracks 1435 1436 // Check a blacklist of interfaces that are incompatible with fast tracks. 1437 // The alternative, to check a whitelist of compatible interfaces, is 1438 // more maintainable but is too slow. As a compromise, in a debug build 1439 // we use both methods and warn if they produce different results. 1440 // In release builds, we only use the blacklist method. 1441 // If a blacklisted interface is added after realization using 1442 // DynamicInterfaceManagement::AddInterface, 1443 // then this won't be detected but the interface will be ineffective. 1444 bool blacklistResult = true; 1445 static const unsigned blacklist[] = { 1446 MPH_BASSBOOST, 1447 MPH_EFFECTSEND, 1448 MPH_ENVIRONMENTALREVERB, 1449 MPH_EQUALIZER, 1450 MPH_PLAYBACKRATE, 1451 MPH_PRESETREVERB, 1452 MPH_VIRTUALIZER, 1453 MPH_ANDROIDEFFECT, 1454 MPH_ANDROIDEFFECTSEND, 1455 // FIXME The problem with a blacklist is remembering to add new interfaces here 1456 }; 1457 for (unsigned i = 0; i < sizeof(blacklist)/sizeof(blacklist[0]); ++i) { 1458 if (IsInterfaceInitialized(&pAudioPlayer->mObject, blacklist[i])) { 1459 blacklistResult = false; 1460 break; 1461 } 1462 } 1463#if LOG_NDEBUG == 0 1464 bool whitelistResult = true; 1465 static const unsigned whitelist[] = { 1466 MPH_BUFFERQUEUE, 1467 MPH_DYNAMICINTERFACEMANAGEMENT, 1468 MPH_METADATAEXTRACTION, 1469 MPH_MUTESOLO, 1470 MPH_OBJECT, 1471 MPH_PLAY, 1472 MPH_PREFETCHSTATUS, 1473 MPH_VOLUME, 1474 MPH_ANDROIDCONFIGURATION, 1475 MPH_ANDROIDSIMPLEBUFFERQUEUE, 1476 MPH_ANDROIDBUFFERQUEUESOURCE, 1477 }; 1478 for (unsigned mph = MPH_MIN; mph < MPH_MAX; ++mph) { 1479 for (unsigned i = 0; i < sizeof(whitelist)/sizeof(whitelist[0]); ++i) { 1480 if (mph == whitelist[i]) { 1481 goto compatible; 1482 } 1483 } 1484 if (IsInterfaceInitialized(&pAudioPlayer->mObject, mph)) { 1485 whitelistResult = false; 1486 break; 1487 } 1488compatible: ; 1489 } 1490 if (whitelistResult != blacklistResult) { 1491 ALOGW("whitelistResult != blacklistResult"); 1492 // and use blacklistResult below 1493 } 1494#endif 1495 return blacklistResult; 1496} 1497 1498 1499//----------------------------------------------------------------------------- 1500// FIXME abstract out the diff between CMediaPlayer and CAudioPlayer 1501SLresult android_audioPlayer_realize(CAudioPlayer *pAudioPlayer, SLboolean async) { 1502 1503 SLresult result = SL_RESULT_SUCCESS; 1504 SL_LOGV("Realize pAudioPlayer=%p", pAudioPlayer); 1505 1506 AudioPlayback_Parameters app; 1507 app.sessionId = pAudioPlayer->mSessionId; 1508 app.streamType = pAudioPlayer->mStreamType; 1509 1510 switch (pAudioPlayer->mAndroidObjType) { 1511 1512 //----------------------------------- 1513 // AudioTrack 1514 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1515 { 1516 // initialize platform-specific CAudioPlayer fields 1517 1518 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) 1519 pAudioPlayer->mDynamicSource.mDataSource; 1520 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) 1521 pAudioPlayer->mDynamicSource.mDataSource->pFormat; 1522 1523 uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec); 1524 1525 audio_output_flags_t policy; 1526 if (canUseFastTrack(pAudioPlayer)) { 1527 policy = AUDIO_OUTPUT_FLAG_FAST; 1528 } else { 1529 policy = AUDIO_OUTPUT_FLAG_NONE; 1530 } 1531 1532 pAudioPlayer->mAudioTrack = new android::AudioTrack( 1533 pAudioPlayer->mStreamType, // streamType 1534 sampleRate, // sampleRate 1535 sles_to_android_sampleFormat(df_pcm), // format 1536 sles_to_android_channelMaskOut(df_pcm->numChannels, df_pcm->channelMask), 1537 // channel mask 1538 0, // frameCount 1539 policy, // flags 1540 audioTrack_callBack_pullFromBuffQueue, // callback 1541 (void *) pAudioPlayer, // user 1542 0, // FIXME find appropriate frame count // notificationFrame 1543 pAudioPlayer->mSessionId); 1544 android::status_t status = pAudioPlayer->mAudioTrack->initCheck(); 1545 if (status != android::NO_ERROR) { 1546 SL_LOGE("AudioTrack::initCheck status %u", status); 1547 result = SL_RESULT_CONTENT_UNSUPPORTED; 1548 pAudioPlayer->mAudioTrack.clear(); 1549 return result; 1550 } 1551 1552 // initialize platform-independent CAudioPlayer fields 1553 1554 pAudioPlayer->mNumChannels = df_pcm->numChannels; 1555 pAudioPlayer->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES 1556 1557 // This use case does not have a separate "prepare" step 1558 pAudioPlayer->mAndroidObjState = ANDROID_READY; 1559 } 1560 break; 1561 1562 //----------------------------------- 1563 // MediaPlayer 1564 case AUDIOPLAYER_FROM_URIFD: { 1565 pAudioPlayer->mAPlayer = new android::LocAVPlayer(&app, false /*hasVideo*/); 1566 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, 1567 (void*)pAudioPlayer /*notifUSer*/); 1568 1569 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1570 case SL_DATALOCATOR_URI: { 1571 // The legacy implementation ran Stagefright within the application process, and 1572 // so allowed local pathnames specified by URI that were openable by 1573 // the application but were not openable by mediaserver. 1574 // The current implementation runs Stagefright (mostly) within mediaserver, 1575 // which runs as a different UID and likely a different current working directory. 1576 // For backwards compatibility with any applications which may have relied on the 1577 // previous behavior, we convert an openable file URI into an FD. 1578 // Note that unlike SL_DATALOCATOR_ANDROIDFD, this FD is owned by us 1579 // and so we close it as soon as we've passed it (via Binder dup) to mediaserver. 1580 const char *uri = (const char *)pAudioPlayer->mDataSource.mLocator.mURI.URI; 1581 if (!isDistantProtocol(uri)) { 1582 // don't touch the original uri, we may need it later 1583 const char *pathname = uri; 1584 // skip over an optional leading file:// prefix 1585 if (!strncasecmp(pathname, "file://", 7)) { 1586 pathname += 7; 1587 } 1588 // attempt to open it as a file using the application's credentials 1589 int fd = ::open(pathname, O_RDONLY); 1590 if (fd >= 0) { 1591 // if open is successful, then check to see if it's a regular file 1592 struct stat statbuf; 1593 if (!::fstat(fd, &statbuf) && S_ISREG(statbuf.st_mode)) { 1594 // treat similarly to an FD data locator, but 1595 // let setDataSource take responsibility for closing fd 1596 pAudioPlayer->mAPlayer->setDataSource(fd, 0, statbuf.st_size, true); 1597 break; 1598 } 1599 // we were able to open it, but it's not a file, so let mediaserver try 1600 (void) ::close(fd); 1601 } 1602 } 1603 // if either the URI didn't look like a file, or open failed, or not a file 1604 pAudioPlayer->mAPlayer->setDataSource(uri); 1605 } break; 1606 case SL_DATALOCATOR_ANDROIDFD: { 1607 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1608 pAudioPlayer->mAPlayer->setDataSource( 1609 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1610 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1611 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1612 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1613 } 1614 break; 1615 default: 1616 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1617 break; 1618 } 1619 1620 } 1621 break; 1622 1623 //----------------------------------- 1624 // StreamPlayer 1625 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: { 1626 android::StreamPlayer* splr = new android::StreamPlayer(&app, false /*hasVideo*/, 1627 &pAudioPlayer->mAndroidBufferQueue, pAudioPlayer->mCallbackProtector); 1628 pAudioPlayer->mAPlayer = splr; 1629 splr->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1630 } 1631 break; 1632 1633 //----------------------------------- 1634 // AudioToCbRenderer 1635 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 1636 android::AudioToCbRenderer* decoder = new android::AudioToCbRenderer(&app); 1637 pAudioPlayer->mAPlayer = decoder; 1638 // configures the callback for the sink buffer queue 1639 decoder->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer); 1640 // configures the callback for the notifications coming from the SF code 1641 decoder->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1642 1643 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) { 1644 case SL_DATALOCATOR_URI: 1645 decoder->setDataSource( 1646 (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI); 1647 break; 1648 case SL_DATALOCATOR_ANDROIDFD: { 1649 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset; 1650 decoder->setDataSource( 1651 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd, 1652 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ? 1653 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset, 1654 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length); 1655 } 1656 break; 1657 default: 1658 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR); 1659 break; 1660 } 1661 1662 } 1663 break; 1664 1665 //----------------------------------- 1666 // AacBqToPcmCbRenderer 1667 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: { 1668 android::AacBqToPcmCbRenderer* bqtobq = new android::AacBqToPcmCbRenderer(&app, 1669 &pAudioPlayer->mAndroidBufferQueue); 1670 // configures the callback for the sink buffer queue 1671 bqtobq->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer); 1672 pAudioPlayer->mAPlayer = bqtobq; 1673 // configures the callback for the notifications coming from the SF code, 1674 // but also implicitly configures the AndroidBufferQueue from which ADTS data is read 1675 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer); 1676 } 1677 break; 1678 1679 //----------------------------------- 1680 default: 1681 SL_LOGE(ERROR_PLAYERREALIZE_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1682 result = SL_RESULT_INTERNAL_ERROR; 1683 break; 1684 } 1685 1686 // proceed with effect initialization 1687 // initialize EQ 1688 // FIXME use a table of effect descriptors when adding support for more effects 1689 if (memcmp(SL_IID_EQUALIZER, &pAudioPlayer->mEqualizer.mEqDescriptor.type, 1690 sizeof(effect_uuid_t)) == 0) { 1691 SL_LOGV("Need to initialize EQ for AudioPlayer=%p", pAudioPlayer); 1692 android_eq_init(pAudioPlayer->mSessionId, &pAudioPlayer->mEqualizer); 1693 } 1694 // initialize BassBoost 1695 if (memcmp(SL_IID_BASSBOOST, &pAudioPlayer->mBassBoost.mBassBoostDescriptor.type, 1696 sizeof(effect_uuid_t)) == 0) { 1697 SL_LOGV("Need to initialize BassBoost for AudioPlayer=%p", pAudioPlayer); 1698 android_bb_init(pAudioPlayer->mSessionId, &pAudioPlayer->mBassBoost); 1699 } 1700 // initialize Virtualizer 1701 if (memcmp(SL_IID_VIRTUALIZER, &pAudioPlayer->mVirtualizer.mVirtualizerDescriptor.type, 1702 sizeof(effect_uuid_t)) == 0) { 1703 SL_LOGV("Need to initialize Virtualizer for AudioPlayer=%p", pAudioPlayer); 1704 android_virt_init(pAudioPlayer->mSessionId, &pAudioPlayer->mVirtualizer); 1705 } 1706 1707 // initialize EffectSend 1708 // FIXME initialize EffectSend 1709 1710 return result; 1711} 1712 1713 1714//----------------------------------------------------------------------------- 1715/** 1716 * Called with a lock on AudioPlayer, and blocks until safe to destroy 1717 */ 1718SLresult android_audioPlayer_preDestroy(CAudioPlayer *pAudioPlayer) { 1719 SL_LOGD("android_audioPlayer_preDestroy(%p)", pAudioPlayer); 1720 SLresult result = SL_RESULT_SUCCESS; 1721 1722 bool disableCallbacksBeforePreDestroy; 1723 switch (pAudioPlayer->mAndroidObjType) { 1724 // Not yet clear why this order is important, but it reduces detected deadlocks 1725 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1726 disableCallbacksBeforePreDestroy = true; 1727 break; 1728 // Use the old behavior for all other use cases until proven 1729 // case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1730 default: 1731 disableCallbacksBeforePreDestroy = false; 1732 break; 1733 } 1734 1735 if (disableCallbacksBeforePreDestroy) { 1736 object_unlock_exclusive(&pAudioPlayer->mObject); 1737 if (pAudioPlayer->mCallbackProtector != 0) { 1738 pAudioPlayer->mCallbackProtector->requestCbExitAndWait(); 1739 } 1740 object_lock_exclusive(&pAudioPlayer->mObject); 1741 } 1742 1743 if (pAudioPlayer->mAPlayer != 0) { 1744 pAudioPlayer->mAPlayer->preDestroy(); 1745 } 1746 SL_LOGD("android_audioPlayer_preDestroy(%p) after mAPlayer->preDestroy()", pAudioPlayer); 1747 1748 if (!disableCallbacksBeforePreDestroy) { 1749 object_unlock_exclusive(&pAudioPlayer->mObject); 1750 if (pAudioPlayer->mCallbackProtector != 0) { 1751 pAudioPlayer->mCallbackProtector->requestCbExitAndWait(); 1752 } 1753 object_lock_exclusive(&pAudioPlayer->mObject); 1754 } 1755 1756 return result; 1757} 1758 1759 1760//----------------------------------------------------------------------------- 1761SLresult android_audioPlayer_destroy(CAudioPlayer *pAudioPlayer) { 1762 SLresult result = SL_RESULT_SUCCESS; 1763 SL_LOGV("android_audioPlayer_destroy(%p)", pAudioPlayer); 1764 switch (pAudioPlayer->mAndroidObjType) { 1765 1766 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 1767 // We own the audio track for PCM buffer queue players 1768 if (pAudioPlayer->mAudioTrack != 0) { 1769 pAudioPlayer->mAudioTrack->stop(); 1770 // Note that there may still be another reference in post-unlock phase of SetPlayState 1771 pAudioPlayer->mAudioTrack.clear(); 1772 } 1773 break; 1774 1775 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 1776 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 1777 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through 1778 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1779 pAudioPlayer->mAPlayer.clear(); 1780 break; 1781 //----------------------------------- 1782 default: 1783 SL_LOGE(ERROR_PLAYERDESTROY_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType); 1784 result = SL_RESULT_INTERNAL_ERROR; 1785 break; 1786 } 1787 1788 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player 1789 // android::AudioSystem::releaseAudioSessionId(pAudioPlayer->mSessionId); 1790 1791 pAudioPlayer->mCallbackProtector.clear(); 1792 1793 // explicit destructor 1794 pAudioPlayer->mAudioTrack.~sp(); 1795 // note that SetPlayState(PLAYING) may still hold a reference 1796 pAudioPlayer->mCallbackProtector.~sp(); 1797 pAudioPlayer->mAuxEffect.~sp(); 1798 pAudioPlayer->mAPlayer.~sp(); 1799 1800 return result; 1801} 1802 1803 1804//----------------------------------------------------------------------------- 1805SLresult android_audioPlayer_setPlaybackRateAndConstraints(CAudioPlayer *ap, SLpermille rate, 1806 SLuint32 constraints) { 1807 SLresult result = SL_RESULT_SUCCESS; 1808 switch(ap->mAndroidObjType) { 1809 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: { 1810 // these asserts were already checked by the platform-independent layer 1811 assert((AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE <= rate) && 1812 (rate <= AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE)); 1813 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO); 1814 // get the content sample rate 1815 uint32_t contentRate = sles_to_android_sampleRate(ap->mSampleRateMilliHz); 1816 // apply the SL ES playback rate on the AudioTrack as a factor of its content sample rate 1817 if (ap->mAudioTrack != 0) { 1818 ap->mAudioTrack->setSampleRate(contentRate * (rate/1000.0f)); 1819 } 1820 } 1821 break; 1822 case AUDIOPLAYER_FROM_URIFD: { 1823 assert((MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE <= rate) && 1824 (rate <= MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE)); 1825 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO); 1826 // apply the SL ES playback rate on the GenericPlayer 1827 if (ap->mAPlayer != 0) { 1828 ap->mAPlayer->setPlaybackRate((int16_t)rate); 1829 } 1830 } 1831 break; 1832 1833 default: 1834 SL_LOGE("Unexpected object type %d", ap->mAndroidObjType); 1835 result = SL_RESULT_FEATURE_UNSUPPORTED; 1836 break; 1837 } 1838 return result; 1839} 1840 1841 1842//----------------------------------------------------------------------------- 1843// precondition 1844// called with no lock held 1845// ap != NULL 1846// pItemCount != NULL 1847SLresult android_audioPlayer_metadata_getItemCount(CAudioPlayer *ap, SLuint32 *pItemCount) { 1848 if (ap->mAPlayer == 0) { 1849 return SL_RESULT_PARAMETER_INVALID; 1850 } 1851 switch(ap->mAndroidObjType) { 1852 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1853 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1854 { 1855 android::AudioSfDecoder* decoder = 1856 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1857 *pItemCount = decoder->getPcmFormatKeyCount(); 1858 } 1859 break; 1860 default: 1861 *pItemCount = 0; 1862 break; 1863 } 1864 return SL_RESULT_SUCCESS; 1865} 1866 1867 1868//----------------------------------------------------------------------------- 1869// precondition 1870// called with no lock held 1871// ap != NULL 1872// pKeySize != NULL 1873SLresult android_audioPlayer_metadata_getKeySize(CAudioPlayer *ap, 1874 SLuint32 index, SLuint32 *pKeySize) { 1875 if (ap->mAPlayer == 0) { 1876 return SL_RESULT_PARAMETER_INVALID; 1877 } 1878 SLresult res = SL_RESULT_SUCCESS; 1879 switch(ap->mAndroidObjType) { 1880 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1881 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1882 { 1883 android::AudioSfDecoder* decoder = 1884 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1885 SLuint32 keyNameSize = 0; 1886 if (!decoder->getPcmFormatKeySize(index, &keyNameSize)) { 1887 res = SL_RESULT_PARAMETER_INVALID; 1888 } else { 1889 // *pKeySize is the size of the region used to store the key name AND 1890 // the information about the key (size, lang, encoding) 1891 *pKeySize = keyNameSize + sizeof(SLMetadataInfo); 1892 } 1893 } 1894 break; 1895 default: 1896 *pKeySize = 0; 1897 res = SL_RESULT_PARAMETER_INVALID; 1898 break; 1899 } 1900 return res; 1901} 1902 1903 1904//----------------------------------------------------------------------------- 1905// precondition 1906// called with no lock held 1907// ap != NULL 1908// pKey != NULL 1909SLresult android_audioPlayer_metadata_getKey(CAudioPlayer *ap, 1910 SLuint32 index, SLuint32 size, SLMetadataInfo *pKey) { 1911 if (ap->mAPlayer == 0) { 1912 return SL_RESULT_PARAMETER_INVALID; 1913 } 1914 SLresult res = SL_RESULT_SUCCESS; 1915 switch(ap->mAndroidObjType) { 1916 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1917 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1918 { 1919 android::AudioSfDecoder* decoder = 1920 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1921 if ((size < sizeof(SLMetadataInfo) || 1922 (!decoder->getPcmFormatKeyName(index, size - sizeof(SLMetadataInfo), 1923 (char*)pKey->data)))) { 1924 res = SL_RESULT_PARAMETER_INVALID; 1925 } else { 1926 // successfully retrieved the key value, update the other fields 1927 pKey->encoding = SL_CHARACTERENCODING_UTF8; 1928 memcpy((char *) pKey->langCountry, "en", 3); 1929 pKey->size = strlen((char*)pKey->data) + 1; 1930 } 1931 } 1932 break; 1933 default: 1934 res = SL_RESULT_PARAMETER_INVALID; 1935 break; 1936 } 1937 return res; 1938} 1939 1940 1941//----------------------------------------------------------------------------- 1942// precondition 1943// called with no lock held 1944// ap != NULL 1945// pValueSize != NULL 1946SLresult android_audioPlayer_metadata_getValueSize(CAudioPlayer *ap, 1947 SLuint32 index, SLuint32 *pValueSize) { 1948 if (ap->mAPlayer == 0) { 1949 return SL_RESULT_PARAMETER_INVALID; 1950 } 1951 SLresult res = SL_RESULT_SUCCESS; 1952 switch(ap->mAndroidObjType) { 1953 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1954 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1955 { 1956 android::AudioSfDecoder* decoder = 1957 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1958 SLuint32 valueSize = 0; 1959 if (!decoder->getPcmFormatValueSize(index, &valueSize)) { 1960 res = SL_RESULT_PARAMETER_INVALID; 1961 } else { 1962 // *pValueSize is the size of the region used to store the key value AND 1963 // the information about the value (size, lang, encoding) 1964 *pValueSize = valueSize + sizeof(SLMetadataInfo); 1965 } 1966 } 1967 break; 1968 default: 1969 *pValueSize = 0; 1970 res = SL_RESULT_PARAMETER_INVALID; 1971 break; 1972 } 1973 return res; 1974} 1975 1976 1977//----------------------------------------------------------------------------- 1978// precondition 1979// called with no lock held 1980// ap != NULL 1981// pValue != NULL 1982SLresult android_audioPlayer_metadata_getValue(CAudioPlayer *ap, 1983 SLuint32 index, SLuint32 size, SLMetadataInfo *pValue) { 1984 if (ap->mAPlayer == 0) { 1985 return SL_RESULT_PARAMETER_INVALID; 1986 } 1987 SLresult res = SL_RESULT_SUCCESS; 1988 switch(ap->mAndroidObjType) { 1989 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 1990 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 1991 { 1992 android::AudioSfDecoder* decoder = 1993 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get()); 1994 pValue->encoding = SL_CHARACTERENCODING_BINARY; 1995 memcpy((char *) pValue->langCountry, "en", 3); // applicable here? 1996 SLuint32 valueSize = 0; 1997 if ((size < sizeof(SLMetadataInfo) 1998 || (!decoder->getPcmFormatValueSize(index, &valueSize)) 1999 || (!decoder->getPcmFormatKeyValue(index, size - sizeof(SLMetadataInfo), 2000 (SLuint32*)pValue->data)))) { 2001 res = SL_RESULT_PARAMETER_INVALID; 2002 } else { 2003 pValue->size = valueSize; 2004 } 2005 } 2006 break; 2007 default: 2008 res = SL_RESULT_PARAMETER_INVALID; 2009 break; 2010 } 2011 return res; 2012} 2013 2014//----------------------------------------------------------------------------- 2015// preconditions 2016// ap != NULL 2017// mutex is locked 2018// play state has changed 2019void android_audioPlayer_setPlayState(CAudioPlayer *ap) { 2020 2021 SLuint32 playState = ap->mPlay.mState; 2022 AndroidObjectState objState = ap->mAndroidObjState; 2023 2024 switch(ap->mAndroidObjType) { 2025 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2026 switch (playState) { 2027 case SL_PLAYSTATE_STOPPED: 2028 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED"); 2029 if (ap->mAudioTrack != 0) { 2030 ap->mAudioTrack->stop(); 2031 } 2032 break; 2033 case SL_PLAYSTATE_PAUSED: 2034 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED"); 2035 if (ap->mAudioTrack != 0) { 2036 ap->mAudioTrack->pause(); 2037 } 2038 break; 2039 case SL_PLAYSTATE_PLAYING: 2040 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING"); 2041 if (ap->mAudioTrack != 0) { 2042 // instead of ap->mAudioTrack->start(); 2043 ap->mDeferredStart = true; 2044 } 2045 break; 2046 default: 2047 // checked by caller, should not happen 2048 break; 2049 } 2050 break; 2051 2052 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2053 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2054 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through 2055 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2056 // FIXME report and use the return code to the lock mechanism, which is where play state 2057 // changes are updated (see object_unlock_exclusive_attributes()) 2058 aplayer_setPlayState(ap->mAPlayer, playState, &(ap->mAndroidObjState)); 2059 break; 2060 default: 2061 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_UNEXPECTED_OBJECT_TYPE_D, ap->mAndroidObjType); 2062 break; 2063 } 2064} 2065 2066 2067//----------------------------------------------------------------------------- 2068// call when either player event flags, marker position, or position update period changes 2069void android_audioPlayer_usePlayEventMask(CAudioPlayer *ap) { 2070 IPlay *pPlayItf = &ap->mPlay; 2071 SLuint32 eventFlags = pPlayItf->mEventFlags; 2072 /*switch(ap->mAndroidObjType) { 2073 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:*/ 2074 2075 if (ap->mAPlayer != 0) { 2076 assert(ap->mAudioTrack == 0); 2077 ap->mAPlayer->setPlayEvents((int32_t) eventFlags, (int32_t) pPlayItf->mMarkerPosition, 2078 (int32_t) pPlayItf->mPositionUpdatePeriod); 2079 return; 2080 } 2081 2082 if (ap->mAudioTrack == 0) { 2083 return; 2084 } 2085 2086 if (eventFlags & SL_PLAYEVENT_HEADATMARKER) { 2087 ap->mAudioTrack->setMarkerPosition((uint32_t)((((int64_t)pPlayItf->mMarkerPosition 2088 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 2089 } else { 2090 // clear marker 2091 ap->mAudioTrack->setMarkerPosition(0); 2092 } 2093 2094 if (eventFlags & SL_PLAYEVENT_HEADATNEWPOS) { 2095 ap->mAudioTrack->setPositionUpdatePeriod( 2096 (uint32_t)((((int64_t)pPlayItf->mPositionUpdatePeriod 2097 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000)); 2098 } else { 2099 // clear periodic update 2100 ap->mAudioTrack->setPositionUpdatePeriod(0); 2101 } 2102 2103 if (eventFlags & SL_PLAYEVENT_HEADATEND) { 2104 // nothing to do for SL_PLAYEVENT_HEADATEND, callback event will be checked against mask 2105 } 2106 2107 if (eventFlags & SL_PLAYEVENT_HEADMOVING) { 2108 // FIXME support SL_PLAYEVENT_HEADMOVING 2109 SL_LOGD("[ FIXME: IPlay_SetCallbackEventsMask(SL_PLAYEVENT_HEADMOVING) on an " 2110 "SL_OBJECTID_AUDIOPLAYER to be implemented ]"); 2111 } 2112 if (eventFlags & SL_PLAYEVENT_HEADSTALLED) { 2113 // nothing to do for SL_PLAYEVENT_HEADSTALLED, callback event will be checked against mask 2114 } 2115 2116} 2117 2118 2119//----------------------------------------------------------------------------- 2120SLresult android_audioPlayer_getDuration(IPlay *pPlayItf, SLmillisecond *pDurMsec) { 2121 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 2122 switch(ap->mAndroidObjType) { 2123 2124 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2125 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: { 2126 int32_t durationMsec = ANDROID_UNKNOWN_TIME; 2127 if (ap->mAPlayer != 0) { 2128 ap->mAPlayer->getDurationMsec(&durationMsec); 2129 } 2130 *pDurMsec = durationMsec == ANDROID_UNKNOWN_TIME ? SL_TIME_UNKNOWN : durationMsec; 2131 break; 2132 } 2133 2134 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2135 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2136 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2137 default: { 2138 *pDurMsec = SL_TIME_UNKNOWN; 2139 } 2140 } 2141 return SL_RESULT_SUCCESS; 2142} 2143 2144 2145//----------------------------------------------------------------------------- 2146void android_audioPlayer_getPosition(IPlay *pPlayItf, SLmillisecond *pPosMsec) { 2147 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis; 2148 switch(ap->mAndroidObjType) { 2149 2150 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2151 if ((ap->mSampleRateMilliHz == UNKNOWN_SAMPLERATE) || (ap->mAudioTrack == 0)) { 2152 *pPosMsec = 0; 2153 } else { 2154 uint32_t positionInFrames; 2155 ap->mAudioTrack->getPosition(&positionInFrames); 2156 *pPosMsec = ((int64_t)positionInFrames * 1000) / 2157 sles_to_android_sampleRate(ap->mSampleRateMilliHz); 2158 } 2159 break; 2160 2161 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through 2162 case AUDIOPLAYER_FROM_URIFD: 2163 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2164 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: { 2165 int32_t posMsec = ANDROID_UNKNOWN_TIME; 2166 if (ap->mAPlayer != 0) { 2167 ap->mAPlayer->getPositionMsec(&posMsec); 2168 } 2169 *pPosMsec = posMsec == ANDROID_UNKNOWN_TIME ? 0 : posMsec; 2170 break; 2171 } 2172 2173 default: 2174 *pPosMsec = 0; 2175 } 2176} 2177 2178 2179//----------------------------------------------------------------------------- 2180SLresult android_audioPlayer_seek(CAudioPlayer *ap, SLmillisecond posMsec) { 2181 SLresult result = SL_RESULT_SUCCESS; 2182 2183 switch(ap->mAndroidObjType) { 2184 2185 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: // intended fall-through 2186 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2187 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2188 result = SL_RESULT_FEATURE_UNSUPPORTED; 2189 break; 2190 2191 case AUDIOPLAYER_FROM_URIFD: // intended fall-through 2192 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2193 if (ap->mAPlayer != 0) { 2194 ap->mAPlayer->seek(posMsec); 2195 } 2196 break; 2197 2198 default: 2199 break; 2200 } 2201 return result; 2202} 2203 2204 2205//----------------------------------------------------------------------------- 2206SLresult android_audioPlayer_loop(CAudioPlayer *ap, SLboolean loopEnable) { 2207 SLresult result = SL_RESULT_SUCCESS; 2208 2209 switch (ap->mAndroidObjType) { 2210 case AUDIOPLAYER_FROM_URIFD: 2211 // case AUDIOPLAY_FROM_URIFD_TO_PCM_BUFFERQUEUE: 2212 // would actually work, but what's the point? 2213 if (ap->mAPlayer != 0) { 2214 ap->mAPlayer->loop((bool)loopEnable); 2215 } 2216 break; 2217 default: 2218 result = SL_RESULT_FEATURE_UNSUPPORTED; 2219 break; 2220 } 2221 return result; 2222} 2223 2224 2225//----------------------------------------------------------------------------- 2226SLresult android_audioPlayer_setBufferingUpdateThresholdPerMille(CAudioPlayer *ap, 2227 SLpermille threshold) { 2228 SLresult result = SL_RESULT_SUCCESS; 2229 2230 switch (ap->mAndroidObjType) { 2231 case AUDIOPLAYER_FROM_URIFD: 2232 if (ap->mAPlayer != 0) { 2233 ap->mAPlayer->setBufferingUpdateThreshold(threshold / 10); 2234 } 2235 break; 2236 2237 default: {} 2238 } 2239 2240 return result; 2241} 2242 2243 2244//----------------------------------------------------------------------------- 2245void android_audioPlayer_bufferQueue_onRefilled_l(CAudioPlayer *ap) { 2246 // the AudioTrack associated with the AudioPlayer receiving audio from a PCM buffer 2247 // queue was stopped when the queue become empty, we restart as soon as a new buffer 2248 // has been enqueued since we're in playing state 2249 if (ap->mAudioTrack != 0) { 2250 // instead of ap->mAudioTrack->start(); 2251 ap->mDeferredStart = true; 2252 } 2253 2254 // when the queue became empty, an underflow on the prefetch status itf was sent. Now the queue 2255 // has received new data, signal it has sufficient data 2256 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) { 2257 // we wouldn't have been called unless we were previously in the underflow state 2258 assert(SL_PREFETCHSTATUS_UNDERFLOW == ap->mPrefetchStatus.mStatus); 2259 assert(0 == ap->mPrefetchStatus.mLevel); 2260 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA; 2261 ap->mPrefetchStatus.mLevel = 1000; 2262 // callback or no callback? 2263 SLuint32 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask & 2264 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE); 2265 if (SL_PREFETCHEVENT_NONE != prefetchEvents) { 2266 ap->mPrefetchStatus.mDeferredPrefetchCallback = ap->mPrefetchStatus.mCallback; 2267 ap->mPrefetchStatus.mDeferredPrefetchContext = ap->mPrefetchStatus.mContext; 2268 ap->mPrefetchStatus.mDeferredPrefetchEvents = prefetchEvents; 2269 } 2270 } 2271} 2272 2273 2274//----------------------------------------------------------------------------- 2275/* 2276 * BufferQueue::Clear 2277 */ 2278SLresult android_audioPlayer_bufferQueue_onClear(CAudioPlayer *ap) { 2279 SLresult result = SL_RESULT_SUCCESS; 2280 2281 switch (ap->mAndroidObjType) { 2282 //----------------------------------- 2283 // AudioTrack 2284 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: 2285 if (ap->mAudioTrack != 0) { 2286 ap->mAudioTrack->flush(); 2287 } 2288 break; 2289 default: 2290 result = SL_RESULT_INTERNAL_ERROR; 2291 break; 2292 } 2293 2294 return result; 2295} 2296 2297 2298//----------------------------------------------------------------------------- 2299void android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer *ap) { 2300 switch (ap->mAndroidObjType) { 2301 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2302 if (ap->mAPlayer != 0) { 2303 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2304 splr->appClear_l(); 2305 } break; 2306 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2307 // nothing to do here, fall through 2308 default: 2309 break; 2310 } 2311} 2312 2313void android_audioPlayer_androidBufferQueue_onRefilled_l(CAudioPlayer *ap) { 2314 switch (ap->mAndroidObjType) { 2315 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: 2316 if (ap->mAPlayer != 0) { 2317 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get()); 2318 splr->queueRefilled(); 2319 } break; 2320 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: 2321 // FIXME this may require waking up the decoder if it is currently starved and isn't polling 2322 default: 2323 break; 2324 } 2325} 2326