AudioRecorder_to_android.cpp revision e9b57cefb954e7c1bffc5d4b59f89aca5e050797
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_UNPROCESSED: 50 newRecordSource = AUDIO_SOURCE_UNPROCESSED; 51 break; 52 case SL_ANDROID_RECORDING_PRESET_NONE: 53 // it is an error to set preset "none" 54 default: 55 SL_LOGE(ERROR_RECORDERPRESET_SET_UNKNOWN_PRESET); 56 result = SL_RESULT_PARAMETER_INVALID; 57 } 58 59 // recording preset needs to be set before the object is realized 60 // (ap->mAudioRecord is supposed to be 0 until then) 61 if (SL_OBJECT_STATE_UNREALIZED != ar->mObject.mState) { 62 SL_LOGE(ERROR_RECORDERPRESET_REALIZED); 63 result = SL_RESULT_PRECONDITIONS_VIOLATED; 64 } else { 65 ar->mRecordSource = newRecordSource; 66 } 67 68 return result; 69} 70 71 72SLresult audioRecorder_getPreset(CAudioRecorder* ar, SLuint32* pPreset) { 73 SLresult result = SL_RESULT_SUCCESS; 74 75 switch (ar->mRecordSource) { 76 case AUDIO_SOURCE_DEFAULT: 77 case AUDIO_SOURCE_MIC: 78 *pPreset = SL_ANDROID_RECORDING_PRESET_GENERIC; 79 break; 80 case AUDIO_SOURCE_VOICE_UPLINK: 81 case AUDIO_SOURCE_VOICE_DOWNLINK: 82 case AUDIO_SOURCE_VOICE_CALL: 83 *pPreset = SL_ANDROID_RECORDING_PRESET_NONE; 84 break; 85 case AUDIO_SOURCE_VOICE_RECOGNITION: 86 *pPreset = SL_ANDROID_RECORDING_PRESET_VOICE_RECOGNITION; 87 break; 88 case AUDIO_SOURCE_CAMCORDER: 89 *pPreset = SL_ANDROID_RECORDING_PRESET_CAMCORDER; 90 break; 91 case AUDIO_SOURCE_VOICE_COMMUNICATION: 92 *pPreset = SL_ANDROID_RECORDING_PRESET_VOICE_COMMUNICATION; 93 break; 94 case AUDIO_SOURCE_UNPROCESSED: 95 *pPreset = SL_ANDROID_RECORDING_PRESET_UNPROCESSED; 96 break; 97 default: 98 *pPreset = SL_ANDROID_RECORDING_PRESET_NONE; 99 result = SL_RESULT_INTERNAL_ERROR; 100 break; 101 } 102 103 return result; 104} 105 106 107void audioRecorder_handleNewPos_lockRecord(CAudioRecorder* ar) { 108 //SL_LOGV("received event EVENT_NEW_POS from AudioRecord"); 109 slRecordCallback callback = NULL; 110 void* callbackPContext = NULL; 111 112 interface_lock_shared(&ar->mRecord); 113 callback = ar->mRecord.mCallback; 114 callbackPContext = ar->mRecord.mContext; 115 interface_unlock_shared(&ar->mRecord); 116 117 if (NULL != callback) { 118 // getting this event implies SL_RECORDEVENT_HEADATNEWPOS was set in the event mask 119 (*callback)(&ar->mRecord.mItf, callbackPContext, SL_RECORDEVENT_HEADATNEWPOS); 120 } 121} 122 123 124void audioRecorder_handleMarker_lockRecord(CAudioRecorder* ar) { 125 //SL_LOGV("received event EVENT_MARKER from AudioRecord"); 126 slRecordCallback callback = NULL; 127 void* callbackPContext = NULL; 128 129 interface_lock_shared(&ar->mRecord); 130 callback = ar->mRecord.mCallback; 131 callbackPContext = ar->mRecord.mContext; 132 interface_unlock_shared(&ar->mRecord); 133 134 if (NULL != callback) { 135 // getting this event implies SL_RECORDEVENT_HEADATMARKER was set in the event mask 136 (*callback)(&ar->mRecord.mItf, callbackPContext, SL_RECORDEVENT_HEADATMARKER); 137 } 138} 139 140 141void audioRecorder_handleOverrun_lockRecord(CAudioRecorder* ar) { 142 //SL_LOGV("received event EVENT_OVERRUN from AudioRecord"); 143 slRecordCallback callback = NULL; 144 void* callbackPContext = NULL; 145 146 interface_lock_shared(&ar->mRecord); 147 if (ar->mRecord.mCallbackEventsMask & SL_RECORDEVENT_HEADSTALLED) { 148 callback = ar->mRecord.mCallback; 149 callbackPContext = ar->mRecord.mContext; 150 } 151 interface_unlock_shared(&ar->mRecord); 152 153 if (NULL != callback) { 154 (*callback)(&ar->mRecord.mItf, callbackPContext, SL_RECORDEVENT_HEADSTALLED); 155 } 156} 157 158//----------------------------------------------------------------------------- 159SLresult android_audioRecorder_checkSourceSink(CAudioRecorder* ar) { 160 161 const SLDataSource *pAudioSrc = &ar->mDataSource.u.mSource; 162 const SLDataSink *pAudioSnk = &ar->mDataSink.u.mSink; 163 164 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 165 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSnk->pFormat; 166 167 const SLuint32 *df_representation = NULL; // pointer to representation field, if it exists 168 169 // sink must be an Android simple buffer queue with PCM data format 170 switch (sinkLocatorType) { 171 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: { 172 switch (sinkFormatType) { 173 case SL_ANDROID_DATAFORMAT_PCM_EX: { 174 const SLAndroidDataFormat_PCM_EX *df_pcm = 175 (SLAndroidDataFormat_PCM_EX *) pAudioSnk->pFormat; 176 // checkDataFormat() already checked representation 177 df_representation = &df_pcm->representation; 178 } // SL_ANDROID_DATAFORMAT_PCM_EX - fall through to next test. 179 case SL_DATAFORMAT_PCM: { 180 const SLDataFormat_PCM *df_pcm = (const SLDataFormat_PCM *) pAudioSnk->pFormat; 181 // FIXME validate channel mask and number of channels 182 183 // checkDataFormat already checked sample rate 184 185 ar->mNumChannels = df_pcm->numChannels; 186 187 if (df_pcm->endianness != ar->mObject.mEngine->mEngine.mNativeEndianness) { 188 SL_LOGE("Cannot create audio recorder: unsupported byte order %u", 189 df_pcm->endianness); 190 return SL_RESULT_CONTENT_UNSUPPORTED; 191 } 192 193 ar->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES 194 SL_LOGV("AudioRecorder requested sample rate = %u mHz, %u channel(s)", 195 ar->mSampleRateMilliHz, ar->mNumChannels); 196 197 // we don't support container size != sample depth 198 if (df_pcm->containerSize != df_pcm->bitsPerSample) { 199 SL_LOGE("Cannot create audio recorder: unsupported container size %u bits for " 200 "sample depth %u bits", 201 df_pcm->containerSize, (SLuint32)df_pcm->bitsPerSample); 202 return SL_RESULT_CONTENT_UNSUPPORTED; 203 } 204 205 } break; 206 default: 207 SL_LOGE(ERROR_RECORDER_SINK_FORMAT_MUST_BE_PCM); 208 return SL_RESULT_PARAMETER_INVALID; 209 } // switch (sourceFormatType) 210 } break; // case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 211 default: 212 SL_LOGE(ERROR_RECORDER_SINK_MUST_BE_ANDROIDSIMPLEBUFFERQUEUE); 213 return SL_RESULT_PARAMETER_INVALID; 214 } // switch (sourceLocatorType) 215 216 // Source check: 217 // only input device sources are supported 218 // check it's an IO device 219 if (SL_DATALOCATOR_IODEVICE != *(SLuint32 *)pAudioSrc->pLocator) { 220 SL_LOGE(ERROR_RECORDER_SOURCE_MUST_BE_IODEVICE); 221 return SL_RESULT_PARAMETER_INVALID; 222 } else { 223 224 // check it's an input device 225 SLDataLocator_IODevice *dl_iod = (SLDataLocator_IODevice *) pAudioSrc->pLocator; 226 if (SL_IODEVICE_AUDIOINPUT != dl_iod->deviceType) { 227 SL_LOGE(ERROR_RECORDER_IODEVICE_MUST_BE_AUDIOINPUT); 228 return SL_RESULT_PARAMETER_INVALID; 229 } 230 231 // check it's the default input device, others aren't supported here 232 if (SL_DEFAULTDEVICEID_AUDIOINPUT != dl_iod->deviceID) { 233 SL_LOGE(ERROR_RECORDER_INPUT_ID_MUST_BE_DEFAULT); 234 return SL_RESULT_PARAMETER_INVALID; 235 } 236 } 237 238 return SL_RESULT_SUCCESS; 239} 240//----------------------------------------------------------------------------- 241static void audioRecorder_callback(int event, void* user, void *info) { 242 //SL_LOGV("audioRecorder_callback(%d, %p, %p) entering", event, user, info); 243 244 CAudioRecorder *ar = (CAudioRecorder *)user; 245 246 if (!android::CallbackProtector::enterCbIfOk(ar->mCallbackProtector)) { 247 // it is not safe to enter the callback (the track is about to go away) 248 return; 249 } 250 251 void * callbackPContext = NULL; 252 253 switch (event) { 254 case android::AudioRecord::EVENT_MORE_DATA: { 255 slBufferQueueCallback callback = NULL; 256 android::AudioRecord::Buffer* pBuff = (android::AudioRecord::Buffer*)info; 257 258 // push data to the buffer queue 259 interface_lock_exclusive(&ar->mBufferQueue); 260 261 if (ar->mBufferQueue.mState.count != 0) { 262 assert(ar->mBufferQueue.mFront != ar->mBufferQueue.mRear); 263 264 BufferHeader *oldFront = ar->mBufferQueue.mFront; 265 BufferHeader *newFront = &oldFront[1]; 266 267 size_t availSink = oldFront->mSize - ar->mBufferQueue.mSizeConsumed; 268 size_t availSource = pBuff->size; 269 size_t bytesToCopy = availSink < availSource ? availSink : availSource; 270 void *pDest = (char *)oldFront->mBuffer + ar->mBufferQueue.mSizeConsumed; 271 memcpy(pDest, pBuff->raw, bytesToCopy); 272 273 if (bytesToCopy < availSink) { 274 // can't consume the whole or rest of the buffer in one shot 275 ar->mBufferQueue.mSizeConsumed += availSource; 276 // pBuff->size is already equal to bytesToCopy in this case 277 } else { 278 // finish pushing the buffer or push the buffer in one shot 279 pBuff->size = bytesToCopy; 280 ar->mBufferQueue.mSizeConsumed = 0; 281 if (newFront == &ar->mBufferQueue.mArray[ar->mBufferQueue.mNumBuffers + 1]) { 282 newFront = ar->mBufferQueue.mArray; 283 } 284 ar->mBufferQueue.mFront = newFront; 285 286 ar->mBufferQueue.mState.count--; 287 ar->mBufferQueue.mState.playIndex++; 288 289 // data has been copied to the buffer, and the buffer queue state has been updated 290 // we will notify the client if applicable 291 callback = ar->mBufferQueue.mCallback; 292 // save callback data 293 callbackPContext = ar->mBufferQueue.mContext; 294 } 295 } else { // empty queue 296 // no destination to push the data 297 pBuff->size = 0; 298 } 299 300 interface_unlock_exclusive(&ar->mBufferQueue); 301 302 // notify client 303 if (NULL != callback) { 304 (*callback)(&ar->mBufferQueue.mItf, callbackPContext); 305 } 306 } 307 break; 308 309 case android::AudioRecord::EVENT_OVERRUN: 310 audioRecorder_handleOverrun_lockRecord(ar); 311 break; 312 313 case android::AudioRecord::EVENT_MARKER: 314 audioRecorder_handleMarker_lockRecord(ar); 315 break; 316 317 case android::AudioRecord::EVENT_NEW_POS: 318 audioRecorder_handleNewPos_lockRecord(ar); 319 break; 320 321 case android::AudioRecord::EVENT_NEW_IAUDIORECORD: 322 // ignore for now 323 break; 324 325 default: 326 SL_LOGE("Encountered unknown AudioRecord event %d for CAudioRecord %p", event, ar); 327 break; 328 } 329 330 ar->mCallbackProtector->exitCb(); 331} 332 333 334//----------------------------------------------------------------------------- 335SLresult android_audioRecorder_create(CAudioRecorder* ar) { 336 SL_LOGV("android_audioRecorder_create(%p) entering", ar); 337 338 const SLDataSource *pAudioSrc = &ar->mDataSource.u.mSource; 339 const SLDataSink *pAudioSnk = &ar->mDataSink.u.mSink; 340 SLresult result = SL_RESULT_SUCCESS; 341 342 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator; 343 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator; 344 345 // the following platform-independent fields have been initialized in CreateAudioRecorder() 346 // ar->mNumChannels 347 // ar->mSampleRateMilliHz 348 349 if ((SL_DATALOCATOR_IODEVICE == sourceLocatorType) && 350 (SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE == sinkLocatorType)) { 351 // microphone to simple buffer queue 352 ar->mAndroidObjType = AUDIORECORDER_FROM_MIC_TO_PCM_BUFFERQUEUE; 353 ar->mAudioRecord.clear(); 354 ar->mCallbackProtector = new android::CallbackProtector(); 355 ar->mRecordSource = AUDIO_SOURCE_DEFAULT; 356 } else { 357 result = SL_RESULT_CONTENT_UNSUPPORTED; 358 } 359 360 return result; 361} 362 363 364//----------------------------------------------------------------------------- 365SLresult android_audioRecorder_setConfig(CAudioRecorder* ar, const SLchar *configKey, 366 const void *pConfigValue, SLuint32 valueSize) { 367 368 SLresult result; 369 370 assert(NULL != ar && NULL != configKey && NULL != pConfigValue); 371 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_RECORDING_PRESET) == 0) { 372 373 // recording preset 374 if (KEY_RECORDING_PRESET_PARAMSIZE > valueSize) { 375 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 376 result = SL_RESULT_BUFFER_INSUFFICIENT; 377 } else { 378 result = audioRecorder_setPreset(ar, *(SLuint32*)pConfigValue); 379 } 380 381 } else { 382 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 383 result = SL_RESULT_PARAMETER_INVALID; 384 } 385 386 return result; 387} 388 389 390//----------------------------------------------------------------------------- 391SLresult android_audioRecorder_getConfig(CAudioRecorder* ar, const SLchar *configKey, 392 SLuint32* pValueSize, void *pConfigValue) { 393 394 SLresult result; 395 396 assert(NULL != ar && NULL != configKey && NULL != pValueSize); 397 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_RECORDING_PRESET) == 0) { 398 399 // recording preset 400 if (NULL == pConfigValue) { 401 result = SL_RESULT_SUCCESS; 402 } else if (KEY_RECORDING_PRESET_PARAMSIZE > *pValueSize) { 403 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW); 404 result = SL_RESULT_BUFFER_INSUFFICIENT; 405 } else { 406 result = audioRecorder_getPreset(ar, (SLuint32*)pConfigValue); 407 } 408 *pValueSize = KEY_RECORDING_PRESET_PARAMSIZE; 409 410 } else { 411 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY); 412 result = SL_RESULT_PARAMETER_INVALID; 413 } 414 415 return result; 416} 417 418 419//----------------------------------------------------------------------------- 420SLresult android_audioRecorder_realize(CAudioRecorder* ar, SLboolean async) { 421 SL_LOGV("android_audioRecorder_realize(%p) entering", ar); 422 423 SLresult result = SL_RESULT_SUCCESS; 424 425 // already checked in created and checkSourceSink 426 assert(ar->mDataSink.mLocator.mLocatorType == SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE); 427 428 const SLDataLocator_BufferQueue *dl_bq = &ar->mDataSink.mLocator.mBufferQueue; 429 const SLDataFormat_PCM *df_pcm = &ar->mDataSink.mFormat.mPCM; 430 431 // the following platform-independent fields have been initialized in CreateAudioRecorder() 432 // ar->mNumChannels 433 // ar->mSampleRateMilliHz 434 435 uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec); 436 437 // currently nothing analogous to canUseFastTrack() for recording 438 audio_input_flags_t policy = AUDIO_INPUT_FLAG_FAST; 439 440 // initialize platform-specific CAudioRecorder fields 441 ar->mAudioRecord = new android::AudioRecord( 442 ar->mRecordSource, // source 443 sampleRate, // sample rate in Hertz 444 sles_to_android_sampleFormat(df_pcm), // format 445 // FIXME ignores df_pcm->channelMask, 446 // and assumes positional mask for mono or stereo, 447 // or indexed mask for > 2 channels 448 audio_channel_in_mask_from_count(df_pcm->numChannels), 449 android::String16(), // app ops 450 0, // frameCount 451 audioRecorder_callback,// callback_t 452 (void*)ar, // user, callback data, here the AudioRecorder 453 0, // notificationFrames 454 0, // session ID 455 android::AudioRecord::TRANSFER_CALLBACK, 456 // transfer type 457 policy); // audio_input_flags_t 458 459 android::status_t status = ar->mAudioRecord->initCheck(); 460 if (android::NO_ERROR != status) { 461 SL_LOGE("android_audioRecorder_realize(%p) error creating AudioRecord object; status %d", 462 ar, status); 463 // FIXME should return a more specific result depending on status 464 result = SL_RESULT_CONTENT_UNSUPPORTED; 465 ar->mAudioRecord.clear(); 466 } 467 468 return result; 469} 470 471 472//----------------------------------------------------------------------------- 473/** 474 * Called with a lock on AudioRecorder, and blocks until safe to destroy 475 */ 476void android_audioRecorder_preDestroy(CAudioRecorder* ar) { 477 object_unlock_exclusive(&ar->mObject); 478 if (ar->mCallbackProtector != 0) { 479 ar->mCallbackProtector->requestCbExitAndWait(); 480 } 481 object_lock_exclusive(&ar->mObject); 482} 483 484 485//----------------------------------------------------------------------------- 486void android_audioRecorder_destroy(CAudioRecorder* ar) { 487 SL_LOGV("android_audioRecorder_destroy(%p) entering", ar); 488 489 if (ar->mAudioRecord != 0) { 490 ar->mAudioRecord->stop(); 491 ar->mAudioRecord.clear(); 492 } 493 // explicit destructor 494 ar->mAudioRecord.~sp(); 495 ar->mCallbackProtector.~sp(); 496} 497 498 499//----------------------------------------------------------------------------- 500void android_audioRecorder_setRecordState(CAudioRecorder* ar, SLuint32 state) { 501 SL_LOGV("android_audioRecorder_setRecordState(%p, %u) entering", ar, state); 502 503 if (ar->mAudioRecord == 0) { 504 return; 505 } 506 507 switch (state) { 508 case SL_RECORDSTATE_STOPPED: 509 ar->mAudioRecord->stop(); 510 break; 511 case SL_RECORDSTATE_PAUSED: 512 // Note that pausing is treated like stop as this implementation only records to a buffer 513 // queue, so there is no notion of destination being "opened" or "closed" (See description 514 // of SL_RECORDSTATE in specification) 515 ar->mAudioRecord->stop(); 516 break; 517 case SL_RECORDSTATE_RECORDING: 518 ar->mAudioRecord->start(); 519 break; 520 default: 521 break; 522 } 523 524} 525 526 527//----------------------------------------------------------------------------- 528void android_audioRecorder_useRecordEventMask(CAudioRecorder *ar) { 529 IRecord *pRecordItf = &ar->mRecord; 530 SLuint32 eventFlags = pRecordItf->mCallbackEventsMask; 531 532 if (ar->mAudioRecord == 0) { 533 return; 534 } 535 536 if ((eventFlags & SL_RECORDEVENT_HEADATMARKER) && (pRecordItf->mMarkerPosition != 0)) { 537 ar->mAudioRecord->setMarkerPosition((uint32_t)((((int64_t)pRecordItf->mMarkerPosition 538 * sles_to_android_sampleRate(ar->mSampleRateMilliHz)))/1000)); 539 } else { 540 // clear marker 541 ar->mAudioRecord->setMarkerPosition(0); 542 } 543 544 if (eventFlags & SL_RECORDEVENT_HEADATNEWPOS) { 545 SL_LOGV("pos update period %d", pRecordItf->mPositionUpdatePeriod); 546 ar->mAudioRecord->setPositionUpdatePeriod( 547 (uint32_t)((((int64_t)pRecordItf->mPositionUpdatePeriod 548 * sles_to_android_sampleRate(ar->mSampleRateMilliHz)))/1000)); 549 } else { 550 // clear periodic update 551 ar->mAudioRecord->setPositionUpdatePeriod(0); 552 } 553 554 if (eventFlags & SL_RECORDEVENT_HEADATLIMIT) { 555 // FIXME support SL_RECORDEVENT_HEADATLIMIT 556 SL_LOGD("[ FIXME: IRecord_SetCallbackEventsMask(SL_RECORDEVENT_HEADATLIMIT) on an " 557 "SL_OBJECTID_AUDIORECORDER to be implemented ]"); 558 } 559 560 if (eventFlags & SL_RECORDEVENT_HEADMOVING) { 561 // FIXME support SL_RECORDEVENT_HEADMOVING 562 SL_LOGD("[ FIXME: IRecord_SetCallbackEventsMask(SL_RECORDEVENT_HEADMOVING) on an " 563 "SL_OBJECTID_AUDIORECORDER to be implemented ]"); 564 } 565 566 if (eventFlags & SL_RECORDEVENT_BUFFER_FULL) { 567 // nothing to do for SL_RECORDEVENT_BUFFER_FULL since this will not be encountered on 568 // recording to buffer queues 569 } 570 571 if (eventFlags & SL_RECORDEVENT_HEADSTALLED) { 572 // nothing to do for SL_RECORDEVENT_HEADSTALLED, callback event will be checked against mask 573 // when AudioRecord::EVENT_OVERRUN is encountered 574 575 } 576 577} 578 579 580//----------------------------------------------------------------------------- 581void android_audioRecorder_getPosition(CAudioRecorder *ar, SLmillisecond *pPosMsec) { 582 if ((NULL == ar) || (ar->mAudioRecord == 0)) { 583 *pPosMsec = 0; 584 } else { 585 uint32_t positionInFrames; 586 ar->mAudioRecord->getPosition(&positionInFrames); 587 if (ar->mSampleRateMilliHz == UNKNOWN_SAMPLERATE) { 588 *pPosMsec = 0; 589 } else { 590 *pPosMsec = ((int64_t)positionInFrames * 1000) / 591 sles_to_android_sampleRate(ar->mSampleRateMilliHz); 592 } 593 } 594} 595