AudioRecorder_to_android.cpp revision df9b397f73d8f063ff66e0fbf86ced075fe6d5aa
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 18#include "sles_allinclusive.h" 19#include "android_prompts.h" 20 21#include <utils/String16.h> 22 23#include <system/audio.h> 24 25#define KEY_RECORDING_SOURCE_PARAMSIZE sizeof(SLuint32) 26#define KEY_RECORDING_PRESET_PARAMSIZE sizeof(SLuint32) 27 28//----------------------------------------------------------------------------- 29// Internal utility functions 30//---------------------------- 31 32SLresult audioRecorder_setPreset(CAudioRecorder* ar, SLuint32 recordPreset) { 33 SLresult result = SL_RESULT_SUCCESS; 34 35 audio_source_t newRecordSource = AUDIO_SOURCE_DEFAULT; 36 switch (recordPreset) { 37 case SL_ANDROID_RECORDING_PRESET_GENERIC: 38 newRecordSource = AUDIO_SOURCE_DEFAULT; 39 break; 40 case SL_ANDROID_RECORDING_PRESET_CAMCORDER: 41 newRecordSource = AUDIO_SOURCE_CAMCORDER; 42 break; 43 case SL_ANDROID_RECORDING_PRESET_VOICE_RECOGNITION: 44 newRecordSource = AUDIO_SOURCE_VOICE_RECOGNITION; 45 break; 46 case SL_ANDROID_RECORDING_PRESET_VOICE_COMMUNICATION: 47 newRecordSource = AUDIO_SOURCE_VOICE_COMMUNICATION; 48 break; 49 case SL_ANDROID_RECORDING_PRESET_NONE: 50 // it is an error to set preset "none" 51 default: 52 SL_LOGE(ERROR_RECORDERPRESET_SET_UNKNOWN_PRESET); 53 result = SL_RESULT_PARAMETER_INVALID; 54 } 55 56 // recording preset needs to be set before the object is realized 57 // (ap->mAudioRecord is supposed to be 0 until then) 58 if (SL_OBJECT_STATE_UNREALIZED != ar->mObject.mState) { 59 SL_LOGE(ERROR_RECORDERPRESET_REALIZED); 60 result = SL_RESULT_PRECONDITIONS_VIOLATED; 61 } else { 62 ar->mRecordSource = newRecordSource; 63 } 64 65 return result; 66} 67 68 69SLresult audioRecorder_getPreset(CAudioRecorder* ar, SLuint32* pPreset) { 70 SLresult result = SL_RESULT_SUCCESS; 71 72 switch (ar->mRecordSource) { 73 case AUDIO_SOURCE_DEFAULT: 74 case AUDIO_SOURCE_MIC: 75 *pPreset = SL_ANDROID_RECORDING_PRESET_GENERIC; 76 break; 77 case AUDIO_SOURCE_VOICE_UPLINK: 78 case AUDIO_SOURCE_VOICE_DOWNLINK: 79 case AUDIO_SOURCE_VOICE_CALL: 80 *pPreset = SL_ANDROID_RECORDING_PRESET_NONE; 81 break; 82 case AUDIO_SOURCE_VOICE_RECOGNITION: 83 *pPreset = SL_ANDROID_RECORDING_PRESET_VOICE_RECOGNITION; 84 break; 85 case AUDIO_SOURCE_CAMCORDER: 86 *pPreset = SL_ANDROID_RECORDING_PRESET_CAMCORDER; 87 break; 88 case AUDIO_SOURCE_VOICE_COMMUNICATION: 89 *pPreset = SL_ANDROID_RECORDING_PRESET_VOICE_COMMUNICATION; 90 break; 91 default: 92 *pPreset = SL_ANDROID_RECORDING_PRESET_NONE; 93 result = SL_RESULT_INTERNAL_ERROR; 94 break; 95 } 96 97 return result; 98} 99 100 101void audioRecorder_handleNewPos_lockRecord(CAudioRecorder* ar) { 102 //SL_LOGV("received event EVENT_NEW_POS from AudioRecord"); 103 slRecordCallback callback = NULL; 104 void* callbackPContext = NULL; 105 106 interface_lock_shared(&ar->mRecord); 107 callback = ar->mRecord.mCallback; 108 callbackPContext = ar->mRecord.mContext; 109 interface_unlock_shared(&ar->mRecord); 110 111 if (NULL != callback) { 112 // getting this event implies SL_RECORDEVENT_HEADATNEWPOS was set in the event mask 113 (*callback)(&ar->mRecord.mItf, callbackPContext, SL_RECORDEVENT_HEADATNEWPOS); 114 } 115} 116 117 118void audioRecorder_handleMarker_lockRecord(CAudioRecorder* ar) { 119 //SL_LOGV("received event EVENT_MARKER from AudioRecord"); 120 slRecordCallback callback = NULL; 121 void* callbackPContext = NULL; 122 123 interface_lock_shared(&ar->mRecord); 124 callback = ar->mRecord.mCallback; 125 callbackPContext = ar->mRecord.mContext; 126 interface_unlock_shared(&ar->mRecord); 127 128 if (NULL != callback) { 129 // getting this event implies SL_RECORDEVENT_HEADATMARKER was set in the event mask 130 (*callback)(&ar->mRecord.mItf, callbackPContext, SL_RECORDEVENT_HEADATMARKER); 131 } 132} 133 134 135void audioRecorder_handleOverrun_lockRecord(CAudioRecorder* ar) { 136 //SL_LOGV("received event EVENT_OVERRUN from AudioRecord"); 137 slRecordCallback callback = NULL; 138 void* callbackPContext = NULL; 139 140 interface_lock_shared(&ar->mRecord); 141 if (ar->mRecord.mCallbackEventsMask & SL_RECORDEVENT_HEADSTALLED) { 142 callback = ar->mRecord.mCallback; 143 callbackPContext = ar->mRecord.mContext; 144 } 145 interface_unlock_shared(&ar->mRecord); 146 147 if (NULL != callback) { 148 (*callback)(&ar->mRecord.mItf, callbackPContext, SL_RECORDEVENT_HEADSTALLED); 149 } 150} 151 152//----------------------------------------------------------------------------- 153SLresult android_audioRecorder_checkSourceSink(CAudioRecorder* ar) { 154 155 const SLDataSource *pAudioSrc = &ar->mDataSource.u.mSource; 156 const SLDataSink *pAudioSnk = &ar->mDataSink.u.mSink; 157 158 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 159 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSnk->pFormat; 160 161 const SLuint32 *df_representation = NULL; // pointer to representation field, if it exists 162 163 // sink must be an Android simple buffer queue with PCM data format 164 switch (sinkLocatorType) { 165 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: { 166 switch (sinkFormatType) { 167 case SL_ANDROID_DATAFORMAT_PCM_EX: { 168 const SLAndroidDataFormat_PCM_EX *df_pcm = 169 (SLAndroidDataFormat_PCM_EX *) pAudioSnk->pFormat; 170 // checkDataFormat() already checked representation 171 df_representation = &df_pcm->representation; 172 } // SL_ANDROID_DATAFORMAT_PCM_EX - fall through to next test. 173 case SL_DATAFORMAT_PCM: { 174 const SLDataFormat_PCM *df_pcm = (const SLDataFormat_PCM *) pAudioSnk->pFormat; 175 // FIXME validate channel mask and number of channels 176 177 // checkDataFormat already checked sample rate 178 179 ar->mNumChannels = df_pcm->numChannels; 180 ar->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES 181 SL_LOGV("AudioRecorder requested sample rate = %u mHz, %u channel(s)", 182 ar->mSampleRateMilliHz, ar->mNumChannels); 183 // FIXME validates bitsPerSample 184 } break; 185 default: 186 SL_LOGE(ERROR_RECORDER_SINK_FORMAT_MUST_BE_PCM); 187 return SL_RESULT_PARAMETER_INVALID; 188 } // switch (sourceFormatType) 189 } break; // case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 190 default: 191 SL_LOGE(ERROR_RECORDER_SINK_MUST_BE_ANDROIDSIMPLEBUFFERQUEUE); 192 return SL_RESULT_PARAMETER_INVALID; 193 } // switch (sourceLocatorType) 194 195 // Source check: 196 // only input device sources are supported 197 // check it's an IO device 198 if (SL_DATALOCATOR_IODEVICE != *(SLuint32 *)pAudioSrc->pLocator) { 199 SL_LOGE(ERROR_RECORDER_SOURCE_MUST_BE_IODEVICE); 200 return SL_RESULT_PARAMETER_INVALID; 201 } else { 202 203 // check it's an input device 204 SLDataLocator_IODevice *dl_iod = (SLDataLocator_IODevice *) pAudioSrc->pLocator; 205 if (SL_IODEVICE_AUDIOINPUT != dl_iod->deviceType) { 206 SL_LOGE(ERROR_RECORDER_IODEVICE_MUST_BE_AUDIOINPUT); 207 return SL_RESULT_PARAMETER_INVALID; 208 } 209 210 // check it's the default input device, others aren't supported here 211 if (SL_DEFAULTDEVICEID_AUDIOINPUT != dl_iod->deviceID) { 212 SL_LOGE(ERROR_RECORDER_INPUT_ID_MUST_BE_DEFAULT); 213 return SL_RESULT_PARAMETER_INVALID; 214 } 215 } 216 217 return SL_RESULT_SUCCESS; 218} 219//----------------------------------------------------------------------------- 220static void audioRecorder_callback(int event, void* user, void *info) { 221 //SL_LOGV("audioRecorder_callback(%d, %p, %p) entering", event, user, info); 222 223 CAudioRecorder *ar = (CAudioRecorder *)user; 224 225 if (!android::CallbackProtector::enterCbIfOk(ar->mCallbackProtector)) { 226 // it is not safe to enter the callback (the track is about to go away) 227 return; 228 } 229 230 void * callbackPContext = NULL; 231 232 switch (event) { 233 case android::AudioRecord::EVENT_MORE_DATA: { 234 slBufferQueueCallback callback = NULL; 235 android::AudioRecord::Buffer* pBuff = (android::AudioRecord::Buffer*)info; 236 237 // push data to the buffer queue 238 interface_lock_exclusive(&ar->mBufferQueue); 239 240 if (ar->mBufferQueue.mState.count != 0) { 241 assert(ar->mBufferQueue.mFront != ar->mBufferQueue.mRear); 242 243 BufferHeader *oldFront = ar->mBufferQueue.mFront; 244 BufferHeader *newFront = &oldFront[1]; 245 246 size_t availSink = oldFront->mSize - ar->mBufferQueue.mSizeConsumed; 247 size_t availSource = pBuff->size; 248 size_t bytesToCopy = availSink < availSource ? availSink : availSource; 249 void *pDest = (char *)oldFront->mBuffer + ar->mBufferQueue.mSizeConsumed; 250 memcpy(pDest, pBuff->raw, bytesToCopy); 251 252 if (bytesToCopy < availSink) { 253 // can't consume the whole or rest of the buffer in one shot 254 ar->mBufferQueue.mSizeConsumed += availSource; 255 // pBuff->size is already equal to bytesToCopy in this case 256 } else { 257 // finish pushing the buffer or push the buffer in one shot 258 pBuff->size = bytesToCopy; 259 ar->mBufferQueue.mSizeConsumed = 0; 260 if (newFront == &ar->mBufferQueue.mArray[ar->mBufferQueue.mNumBuffers + 1]) { 261 newFront = ar->mBufferQueue.mArray; 262 } 263 ar->mBufferQueue.mFront = newFront; 264 265 ar->mBufferQueue.mState.count--; 266 ar->mBufferQueue.mState.playIndex++; 267 268 // data has been copied to the buffer, and the buffer queue state has been updated 269 // we will notify the client if applicable 270 callback = ar->mBufferQueue.mCallback; 271 // save callback data 272 callbackPContext = ar->mBufferQueue.mContext; 273 } 274 } else { // empty queue 275 // no destination to push the data 276 pBuff->size = 0; 277 } 278 279 interface_unlock_exclusive(&ar->mBufferQueue); 280 281 // notify client 282 if (NULL != callback) { 283 (*callback)(&ar->mBufferQueue.mItf, callbackPContext); 284 } 285 } 286 break; 287 288 case android::AudioRecord::EVENT_OVERRUN: 289 audioRecorder_handleOverrun_lockRecord(ar); 290 break; 291 292 case android::AudioRecord::EVENT_MARKER: 293 audioRecorder_handleMarker_lockRecord(ar); 294 break; 295 296 case android::AudioRecord::EVENT_NEW_POS: 297 audioRecorder_handleNewPos_lockRecord(ar); 298 break; 299 300 case android::AudioRecord::EVENT_NEW_IAUDIORECORD: 301 // ignore for now 302 break; 303 304 default: 305 SL_LOGE("Encountered unknown AudioRecord event %d for CAudioRecord %p", event, ar); 306 break; 307 } 308 309 ar->mCallbackProtector->exitCb(); 310} 311 312 313//----------------------------------------------------------------------------- 314SLresult android_audioRecorder_create(CAudioRecorder* ar) { 315 SL_LOGV("android_audioRecorder_create(%p) entering", ar); 316 317 const SLDataSource *pAudioSrc = &ar->mDataSource.u.mSource; 318 const SLDataSink *pAudioSnk = &ar->mDataSink.u.mSink; 319 SLresult result = SL_RESULT_SUCCESS; 320 321 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 322 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 323 324 // the following platform-independent fields have been initialized in CreateAudioRecorder() 325 // ar->mNumChannels 326 // ar->mSampleRateMilliHz 327 328 if ((SL_DATALOCATOR_IODEVICE == sourceLocatorType) && 329 (SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE == sinkLocatorType)) { 330 // microphone to simple buffer queue 331 ar->mAndroidObjType = AUDIORECORDER_FROM_MIC_TO_PCM_BUFFERQUEUE; 332 ar->mAudioRecord.clear(); 333 ar->mCallbackProtector = new android::CallbackProtector(); 334 ar->mRecordSource = AUDIO_SOURCE_DEFAULT; 335 } else { 336 result = SL_RESULT_CONTENT_UNSUPPORTED; 337 } 338 339 return result; 340} 341 342 343//----------------------------------------------------------------------------- 344SLresult android_audioRecorder_setConfig(CAudioRecorder* ar, const SLchar *configKey, 345 const void *pConfigValue, SLuint32 valueSize) { 346 347 SLresult result; 348 349 assert(NULL != ar && NULL != configKey && NULL != pConfigValue); 350 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_RECORDING_PRESET) == 0) { 351 352 // recording preset 353 if (KEY_RECORDING_PRESET_PARAMSIZE > valueSize) { 354 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 355 result = SL_RESULT_BUFFER_INSUFFICIENT; 356 } else { 357 result = audioRecorder_setPreset(ar, *(SLuint32*)pConfigValue); 358 } 359 360 } else { 361 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 362 result = SL_RESULT_PARAMETER_INVALID; 363 } 364 365 return result; 366} 367 368 369//----------------------------------------------------------------------------- 370SLresult android_audioRecorder_getConfig(CAudioRecorder* ar, const SLchar *configKey, 371 SLuint32* pValueSize, void *pConfigValue) { 372 373 SLresult result; 374 375 assert(NULL != ar && NULL != configKey && NULL != pValueSize); 376 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_RECORDING_PRESET) == 0) { 377 378 // recording preset 379 if (NULL == pConfigValue) { 380 result = SL_RESULT_SUCCESS; 381 } else if (KEY_RECORDING_PRESET_PARAMSIZE > *pValueSize) { 382 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 383 result = SL_RESULT_BUFFER_INSUFFICIENT; 384 } else { 385 result = audioRecorder_getPreset(ar, (SLuint32*)pConfigValue); 386 } 387 *pValueSize = KEY_RECORDING_PRESET_PARAMSIZE; 388 389 } else { 390 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 391 result = SL_RESULT_PARAMETER_INVALID; 392 } 393 394 return result; 395} 396 397 398//----------------------------------------------------------------------------- 399SLresult android_audioRecorder_realize(CAudioRecorder* ar, SLboolean async) { 400 SL_LOGV("android_audioRecorder_realize(%p) entering", ar); 401 402 SLresult result = SL_RESULT_SUCCESS; 403 404 // already checked in created and checkSourceSink 405 assert(ar->mDataSink.mLocator.mLocatorType == SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE); 406 407 const SLDataLocator_BufferQueue *dl_bq = &ar->mDataSink.mLocator.mBufferQueue; 408 const SLDataFormat_PCM *df_pcm = &ar->mDataSink.mFormat.mPCM; 409 410 // the following platform-independent fields have been initialized in CreateAudioRecorder() 411 // ar->mNumChannels 412 // ar->mSampleRateMilliHz 413 414 uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec); 415 416 // currently nothing analogous to canUseFastTrack() for recording 417 audio_input_flags_t policy = AUDIO_INPUT_FLAG_FAST; 418 419 // initialize platform-specific CAudioRecorder fields 420 ar->mAudioRecord = new android::AudioRecord( 421 ar->mRecordSource, // source 422 sampleRate, // sample rate in Hertz 423 sles_to_android_sampleFormat(df_pcm), // format 424 // FIXME ignores df_pcm->channelMask, assumes positional, 425 // and only handles mono and stereo 426 audio_channel_in_mask_from_count(df_pcm->numChannels), 427 android::String16(), // app ops 428 0, // frameCount 429 audioRecorder_callback,// callback_t 430 (void*)ar, // user, callback data, here the AudioRecorder 431 0, // notificationFrames 432 0, // session ID 433 android::AudioRecord::TRANSFER_CALLBACK, 434 // transfer type 435 policy); // audio_input_flags_t 436 437 android::status_t status = ar->mAudioRecord->initCheck(); 438 if (android::NO_ERROR != status) { 439 SL_LOGE("android_audioRecorder_realize(%p) error creating AudioRecord object; status %d", 440 ar, status); 441 // FIXME should return a more specific result depending on status 442 result = SL_RESULT_CONTENT_UNSUPPORTED; 443 ar->mAudioRecord.clear(); 444 } 445 446 return result; 447} 448 449 450//----------------------------------------------------------------------------- 451/** 452 * Called with a lock on AudioRecorder, and blocks until safe to destroy 453 */ 454void android_audioRecorder_preDestroy(CAudioRecorder* ar) { 455 object_unlock_exclusive(&ar->mObject); 456 if (ar->mCallbackProtector != 0) { 457 ar->mCallbackProtector->requestCbExitAndWait(); 458 } 459 object_lock_exclusive(&ar->mObject); 460} 461 462 463//----------------------------------------------------------------------------- 464void android_audioRecorder_destroy(CAudioRecorder* ar) { 465 SL_LOGV("android_audioRecorder_destroy(%p) entering", ar); 466 467 if (ar->mAudioRecord != 0) { 468 ar->mAudioRecord->stop(); 469 ar->mAudioRecord.clear(); 470 } 471 // explicit destructor 472 ar->mAudioRecord.~sp(); 473 ar->mCallbackProtector.~sp(); 474} 475 476 477//----------------------------------------------------------------------------- 478void android_audioRecorder_setRecordState(CAudioRecorder* ar, SLuint32 state) { 479 SL_LOGV("android_audioRecorder_setRecordState(%p, %u) entering", ar, state); 480 481 if (ar->mAudioRecord == 0) { 482 return; 483 } 484 485 switch (state) { 486 case SL_RECORDSTATE_STOPPED: 487 ar->mAudioRecord->stop(); 488 break; 489 case SL_RECORDSTATE_PAUSED: 490 // Note that pausing is treated like stop as this implementation only records to a buffer 491 // queue, so there is no notion of destination being "opened" or "closed" (See description 492 // of SL_RECORDSTATE in specification) 493 ar->mAudioRecord->stop(); 494 break; 495 case SL_RECORDSTATE_RECORDING: 496 ar->mAudioRecord->start(); 497 break; 498 default: 499 break; 500 } 501 502} 503 504 505//----------------------------------------------------------------------------- 506void android_audioRecorder_useRecordEventMask(CAudioRecorder *ar) { 507 IRecord *pRecordItf = &ar->mRecord; 508 SLuint32 eventFlags = pRecordItf->mCallbackEventsMask; 509 510 if (ar->mAudioRecord == 0) { 511 return; 512 } 513 514 if ((eventFlags & SL_RECORDEVENT_HEADATMARKER) && (pRecordItf->mMarkerPosition != 0)) { 515 ar->mAudioRecord->setMarkerPosition((uint32_t)((((int64_t)pRecordItf->mMarkerPosition 516 * sles_to_android_sampleRate(ar->mSampleRateMilliHz)))/1000)); 517 } else { 518 // clear marker 519 ar->mAudioRecord->setMarkerPosition(0); 520 } 521 522 if (eventFlags & SL_RECORDEVENT_HEADATNEWPOS) { 523 SL_LOGV("pos update period %d", pRecordItf->mPositionUpdatePeriod); 524 ar->mAudioRecord->setPositionUpdatePeriod( 525 (uint32_t)((((int64_t)pRecordItf->mPositionUpdatePeriod 526 * sles_to_android_sampleRate(ar->mSampleRateMilliHz)))/1000)); 527 } else { 528 // clear periodic update 529 ar->mAudioRecord->setPositionUpdatePeriod(0); 530 } 531 532 if (eventFlags & SL_RECORDEVENT_HEADATLIMIT) { 533 // FIXME support SL_RECORDEVENT_HEADATLIMIT 534 SL_LOGD("[ FIXME: IRecord_SetCallbackEventsMask(SL_RECORDEVENT_HEADATLIMIT) on an " 535 "SL_OBJECTID_AUDIORECORDER to be implemented ]"); 536 } 537 538 if (eventFlags & SL_RECORDEVENT_HEADMOVING) { 539 // FIXME support SL_RECORDEVENT_HEADMOVING 540 SL_LOGD("[ FIXME: IRecord_SetCallbackEventsMask(SL_RECORDEVENT_HEADMOVING) on an " 541 "SL_OBJECTID_AUDIORECORDER to be implemented ]"); 542 } 543 544 if (eventFlags & SL_RECORDEVENT_BUFFER_FULL) { 545 // nothing to do for SL_RECORDEVENT_BUFFER_FULL since this will not be encountered on 546 // recording to buffer queues 547 } 548 549 if (eventFlags & SL_RECORDEVENT_HEADSTALLED) { 550 // nothing to do for SL_RECORDEVENT_HEADSTALLED, callback event will be checked against mask 551 // when AudioRecord::EVENT_OVERRUN is encountered 552 553 } 554 555} 556 557 558//----------------------------------------------------------------------------- 559void android_audioRecorder_getPosition(CAudioRecorder *ar, SLmillisecond *pPosMsec) { 560 if ((NULL == ar) || (ar->mAudioRecord == 0)) { 561 *pPosMsec = 0; 562 } else { 563 uint32_t positionInFrames; 564 ar->mAudioRecord->getPosition(&positionInFrames); 565 if (ar->mSampleRateMilliHz == UNKNOWN_SAMPLERATE) { 566 *pPosMsec = 0; 567 } else { 568 *pPosMsec = ((int64_t)positionInFrames * 1000) / 569 sles_to_android_sampleRate(ar->mSampleRateMilliHz); 570 } 571 } 572} 573