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 <system/audio.h>
22
23 // use this flag to dump all recorded audio into a file
24 //#define MONITOR_RECORDING
25 #ifdef MONITOR_RECORDING
26 #define MONITOR_TARGET "/sdcard/monitor.raw"
27 #include <stdio.h>
28 static FILE* gMonitorFp = NULL;
29 #endif
30
31
32 #define KEY_RECORDING_SOURCE_PARAMSIZE sizeof(SLuint32)
33 #define KEY_RECORDING_PRESET_PARAMSIZE sizeof(SLuint32)
34
35 //-----------------------------------------------------------------------------
36 // Internal utility functions
37 //----------------------------
38
audioRecorder_setPreset(CAudioRecorder * ar,SLuint32 recordPreset)39 SLresult audioRecorder_setPreset(CAudioRecorder* ar, SLuint32 recordPreset) {
40 SLresult result = SL_RESULT_SUCCESS;
41
42 audio_source_t newRecordSource = AUDIO_SOURCE_DEFAULT;
43 switch (recordPreset) {
44 case SL_ANDROID_RECORDING_PRESET_GENERIC:
45 newRecordSource = AUDIO_SOURCE_DEFAULT;
46 break;
47 case SL_ANDROID_RECORDING_PRESET_CAMCORDER:
48 newRecordSource = AUDIO_SOURCE_CAMCORDER;
49 break;
50 case SL_ANDROID_RECORDING_PRESET_VOICE_RECOGNITION:
51 newRecordSource = AUDIO_SOURCE_VOICE_RECOGNITION;
52 break;
53 case SL_ANDROID_RECORDING_PRESET_VOICE_COMMUNICATION:
54 newRecordSource = AUDIO_SOURCE_VOICE_COMMUNICATION;
55 break;
56 case SL_ANDROID_RECORDING_PRESET_NONE:
57 // it is an error to set preset "none"
58 default:
59 SL_LOGE(ERROR_RECORDERPRESET_SET_UNKNOWN_PRESET);
60 result = SL_RESULT_PARAMETER_INVALID;
61 }
62
63 // recording preset needs to be set before the object is realized
64 // (ap->mAudioRecord is supposed to be 0 until then)
65 if (SL_OBJECT_STATE_UNREALIZED != ar->mObject.mState) {
66 SL_LOGE(ERROR_RECORDERPRESET_REALIZED);
67 result = SL_RESULT_PRECONDITIONS_VIOLATED;
68 } else {
69 ar->mRecordSource = newRecordSource;
70 }
71
72 return result;
73 }
74
75
audioRecorder_getPreset(CAudioRecorder * ar,SLuint32 * pPreset)76 SLresult audioRecorder_getPreset(CAudioRecorder* ar, SLuint32* pPreset) {
77 SLresult result = SL_RESULT_SUCCESS;
78
79 switch (ar->mRecordSource) {
80 case AUDIO_SOURCE_DEFAULT:
81 case AUDIO_SOURCE_MIC:
82 *pPreset = SL_ANDROID_RECORDING_PRESET_GENERIC;
83 break;
84 case AUDIO_SOURCE_VOICE_UPLINK:
85 case AUDIO_SOURCE_VOICE_DOWNLINK:
86 case AUDIO_SOURCE_VOICE_CALL:
87 *pPreset = SL_ANDROID_RECORDING_PRESET_NONE;
88 break;
89 case AUDIO_SOURCE_VOICE_RECOGNITION:
90 *pPreset = SL_ANDROID_RECORDING_PRESET_VOICE_RECOGNITION;
91 break;
92 case AUDIO_SOURCE_CAMCORDER:
93 *pPreset = SL_ANDROID_RECORDING_PRESET_CAMCORDER;
94 break;
95 case AUDIO_SOURCE_VOICE_COMMUNICATION:
96 *pPreset = SL_ANDROID_RECORDING_PRESET_VOICE_COMMUNICATION;
97 break;
98 default:
99 *pPreset = SL_ANDROID_RECORDING_PRESET_NONE;
100 result = SL_RESULT_INTERNAL_ERROR;
101 break;
102 }
103
104 return result;
105 }
106
107
audioRecorder_handleNewPos_lockRecord(CAudioRecorder * ar)108 void audioRecorder_handleNewPos_lockRecord(CAudioRecorder* ar) {
109 //SL_LOGV("received event EVENT_NEW_POS from AudioRecord");
110 slRecordCallback callback = NULL;
111 void* callbackPContext = NULL;
112
113 interface_lock_shared(&ar->mRecord);
114 callback = ar->mRecord.mCallback;
115 callbackPContext = ar->mRecord.mContext;
116 interface_unlock_shared(&ar->mRecord);
117
118 if (NULL != callback) {
119 // getting this event implies SL_RECORDEVENT_HEADATNEWPOS was set in the event mask
120 (*callback)(&ar->mRecord.mItf, callbackPContext, SL_RECORDEVENT_HEADATNEWPOS);
121 }
122 }
123
124
audioRecorder_handleMarker_lockRecord(CAudioRecorder * ar)125 void audioRecorder_handleMarker_lockRecord(CAudioRecorder* ar) {
126 //SL_LOGV("received event EVENT_MARKER from AudioRecord");
127 slRecordCallback callback = NULL;
128 void* callbackPContext = NULL;
129
130 interface_lock_shared(&ar->mRecord);
131 callback = ar->mRecord.mCallback;
132 callbackPContext = ar->mRecord.mContext;
133 interface_unlock_shared(&ar->mRecord);
134
135 if (NULL != callback) {
136 // getting this event implies SL_RECORDEVENT_HEADATMARKER was set in the event mask
137 (*callback)(&ar->mRecord.mItf, callbackPContext, SL_RECORDEVENT_HEADATMARKER);
138 }
139 }
140
141
audioRecorder_handleOverrun_lockRecord(CAudioRecorder * ar)142 void audioRecorder_handleOverrun_lockRecord(CAudioRecorder* ar) {
143 //SL_LOGV("received event EVENT_OVERRUN from AudioRecord");
144 slRecordCallback callback = NULL;
145 void* callbackPContext = NULL;
146
147 interface_lock_shared(&ar->mRecord);
148 if (ar->mRecord.mCallbackEventsMask & SL_RECORDEVENT_HEADSTALLED) {
149 callback = ar->mRecord.mCallback;
150 callbackPContext = ar->mRecord.mContext;
151 }
152 interface_unlock_shared(&ar->mRecord);
153
154 if (NULL != callback) {
155 (*callback)(&ar->mRecord.mItf, callbackPContext, SL_RECORDEVENT_HEADSTALLED);
156 }
157 }
158
159 //-----------------------------------------------------------------------------
android_audioRecorder_checkSourceSinkSupport(CAudioRecorder * ar)160 SLresult android_audioRecorder_checkSourceSinkSupport(CAudioRecorder* ar) {
161
162 const SLDataSource *pAudioSrc = &ar->mDataSource.u.mSource;
163 const SLDataSink *pAudioSnk = &ar->mDataSink.u.mSink;
164
165 // Sink check:
166 // only buffer queue sinks are supported, regardless of the data source
167 if (SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE != *(SLuint32 *)pAudioSnk->pLocator) {
168 SL_LOGE(ERROR_RECORDER_SINK_MUST_BE_ANDROIDSIMPLEBUFFERQUEUE);
169 return SL_RESULT_PARAMETER_INVALID;
170 } else {
171 // only PCM buffer queues are supported
172 SLuint32 formatType = *(SLuint32 *)pAudioSnk->pFormat;
173 if (SL_DATAFORMAT_PCM == formatType) {
174 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *)ar->mDataSink.u.mSink.pFormat;
175 ar->mSampleRateMilliHz = df_pcm->samplesPerSec;
176 ar->mNumChannels = df_pcm->numChannels;
177 SL_LOGV("AudioRecorder requested sample rate = %u mHz, %u channel(s)",
178 ar->mSampleRateMilliHz, ar->mNumChannels);
179 }
180 else {
181 SL_LOGE(ERROR_RECORDER_SINK_FORMAT_MUST_BE_PCM);
182 return SL_RESULT_PARAMETER_INVALID;
183 }
184 }
185
186 // Source check:
187 // only input device sources are supported
188 // check it's an IO device
189 if (SL_DATALOCATOR_IODEVICE != *(SLuint32 *)pAudioSrc->pLocator) {
190 SL_LOGE(ERROR_RECORDER_SOURCE_MUST_BE_IODEVICE);
191 return SL_RESULT_PARAMETER_INVALID;
192 } else {
193
194 // check it's an input device
195 SLDataLocator_IODevice *dl_iod = (SLDataLocator_IODevice *) pAudioSrc->pLocator;
196 if (SL_IODEVICE_AUDIOINPUT != dl_iod->deviceType) {
197 SL_LOGE(ERROR_RECORDER_IODEVICE_MUST_BE_AUDIOINPUT);
198 return SL_RESULT_PARAMETER_INVALID;
199 }
200
201 // check it's the default input device, others aren't supported here
202 if (SL_DEFAULTDEVICEID_AUDIOINPUT != dl_iod->deviceID) {
203 SL_LOGE(ERROR_RECORDER_INPUT_ID_MUST_BE_DEFAULT);
204 return SL_RESULT_PARAMETER_INVALID;
205 }
206 }
207
208 return SL_RESULT_SUCCESS;
209 }
210 //-----------------------------------------------------------------------------
audioRecorder_callback(int event,void * user,void * info)211 static void audioRecorder_callback(int event, void* user, void *info) {
212 //SL_LOGV("audioRecorder_callback(%d, %p, %p) entering", event, user, info);
213
214 CAudioRecorder *ar = (CAudioRecorder *)user;
215
216 if (!android::CallbackProtector::enterCbIfOk(ar->mCallbackProtector)) {
217 // it is not safe to enter the callback (the track is about to go away)
218 return;
219 }
220
221 void * callbackPContext = NULL;
222
223 switch(event) {
224 case android::AudioRecord::EVENT_MORE_DATA: {
225 slBufferQueueCallback callback = NULL;
226 android::AudioRecord::Buffer* pBuff = (android::AudioRecord::Buffer*)info;
227
228 // push data to the buffer queue
229 interface_lock_exclusive(&ar->mBufferQueue);
230
231 if (ar->mBufferQueue.mState.count != 0) {
232 assert(ar->mBufferQueue.mFront != ar->mBufferQueue.mRear);
233
234 BufferHeader *oldFront = ar->mBufferQueue.mFront;
235 BufferHeader *newFront = &oldFront[1];
236
237 // FIXME handle 8bit based on buffer format
238 short *pDest = (short*)((char *)oldFront->mBuffer + ar->mBufferQueue.mSizeConsumed);
239 if (ar->mBufferQueue.mSizeConsumed + pBuff->size < oldFront->mSize) {
240 // can't consume the whole or rest of the buffer in one shot
241 ar->mBufferQueue.mSizeConsumed += pBuff->size;
242 // leave pBuff->size untouched
243 // consume data
244 // FIXME can we avoid holding the lock during the copy?
245 memcpy (pDest, pBuff->i16, pBuff->size);
246 #ifdef MONITOR_RECORDING
247 if (NULL != gMonitorFp) { fwrite(pBuff->i16, pBuff->size, 1, gMonitorFp); }
248 #endif
249 } else {
250 // finish pushing the buffer or push the buffer in one shot
251 pBuff->size = oldFront->mSize - ar->mBufferQueue.mSizeConsumed;
252 ar->mBufferQueue.mSizeConsumed = 0;
253 if (newFront == &ar->mBufferQueue.mArray[ar->mBufferQueue.mNumBuffers + 1]) {
254 newFront = ar->mBufferQueue.mArray;
255 }
256 ar->mBufferQueue.mFront = newFront;
257
258 ar->mBufferQueue.mState.count--;
259 ar->mBufferQueue.mState.playIndex++;
260 // consume data
261 // FIXME can we avoid holding the lock during the copy?
262 memcpy (pDest, pBuff->i16, pBuff->size);
263 #ifdef MONITOR_RECORDING
264 if (NULL != gMonitorFp) { fwrite(pBuff->i16, pBuff->size, 1, gMonitorFp); }
265 #endif
266 // data has been copied to the buffer, and the buffer queue state has been updated
267 // we will notify the client if applicable
268 callback = ar->mBufferQueue.mCallback;
269 // save callback data
270 callbackPContext = ar->mBufferQueue.mContext;
271 }
272 } else {
273 // no destination to push the data
274 pBuff->size = 0;
275 }
276
277 interface_unlock_exclusive(&ar->mBufferQueue);
278 // notify client
279 if (NULL != callback) {
280 (*callback)(&ar->mBufferQueue.mItf, callbackPContext);
281 }
282 }
283 break;
284
285 case android::AudioRecord::EVENT_OVERRUN:
286 audioRecorder_handleOverrun_lockRecord(ar);
287 break;
288
289 case android::AudioRecord::EVENT_MARKER:
290 audioRecorder_handleMarker_lockRecord(ar);
291 break;
292
293 case android::AudioRecord::EVENT_NEW_POS:
294 audioRecorder_handleNewPos_lockRecord(ar);
295 break;
296
297 }
298
299 ar->mCallbackProtector->exitCb();
300 }
301
302
303 //-----------------------------------------------------------------------------
android_audioRecorder_create(CAudioRecorder * ar)304 SLresult android_audioRecorder_create(CAudioRecorder* ar) {
305 SL_LOGV("android_audioRecorder_create(%p) entering", ar);
306
307 const SLDataSource *pAudioSrc = &ar->mDataSource.u.mSource;
308 const SLDataSink *pAudioSnk = &ar->mDataSink.u.mSink;
309 SLresult result = SL_RESULT_SUCCESS;
310
311 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator;
312 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator;
313
314 // the following platform-independent fields have been initialized in CreateAudioRecorder()
315 // ar->mNumChannels
316 // ar->mSampleRateMilliHz
317
318 if ((SL_DATALOCATOR_IODEVICE == sourceLocatorType) &&
319 (SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE == sinkLocatorType)) {
320 // microphone to simple buffer queue
321 ar->mAndroidObjType = AUDIORECORDER_FROM_MIC_TO_PCM_BUFFERQUEUE;
322 ar->mAudioRecord.clear();
323 ar->mCallbackProtector = new android::CallbackProtector();
324 ar->mRecordSource = AUDIO_SOURCE_DEFAULT;
325 } else {
326 result = SL_RESULT_CONTENT_UNSUPPORTED;
327 }
328
329 return result;
330 }
331
332
333 //-----------------------------------------------------------------------------
android_audioRecorder_setConfig(CAudioRecorder * ar,const SLchar * configKey,const void * pConfigValue,SLuint32 valueSize)334 SLresult android_audioRecorder_setConfig(CAudioRecorder* ar, const SLchar *configKey,
335 const void *pConfigValue, SLuint32 valueSize) {
336
337 SLresult result;
338
339 assert(NULL != ar && NULL != configKey && NULL != pConfigValue);
340 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_RECORDING_PRESET) == 0) {
341
342 // recording preset
343 if (KEY_RECORDING_PRESET_PARAMSIZE > valueSize) {
344 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW);
345 result = SL_RESULT_BUFFER_INSUFFICIENT;
346 } else {
347 result = audioRecorder_setPreset(ar, *(SLuint32*)pConfigValue);
348 }
349
350 } else {
351 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY);
352 result = SL_RESULT_PARAMETER_INVALID;
353 }
354
355 return result;
356 }
357
358
359 //-----------------------------------------------------------------------------
android_audioRecorder_getConfig(CAudioRecorder * ar,const SLchar * configKey,SLuint32 * pValueSize,void * pConfigValue)360 SLresult android_audioRecorder_getConfig(CAudioRecorder* ar, const SLchar *configKey,
361 SLuint32* pValueSize, void *pConfigValue) {
362
363 SLresult result;
364
365 assert(NULL != ar && NULL != configKey && NULL != pValueSize);
366 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_RECORDING_PRESET) == 0) {
367
368 // recording preset
369 if (NULL == pConfigValue) {
370 result = SL_RESULT_SUCCESS;
371 } else if (KEY_RECORDING_PRESET_PARAMSIZE > *pValueSize) {
372 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW);
373 result = SL_RESULT_BUFFER_INSUFFICIENT;
374 } else {
375 result = audioRecorder_getPreset(ar, (SLuint32*)pConfigValue);
376 }
377 *pValueSize = KEY_RECORDING_PRESET_PARAMSIZE;
378
379 } else {
380 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY);
381 result = SL_RESULT_PARAMETER_INVALID;
382 }
383
384 return result;
385 }
386
387
388 //-----------------------------------------------------------------------------
android_audioRecorder_realize(CAudioRecorder * ar,SLboolean async)389 SLresult android_audioRecorder_realize(CAudioRecorder* ar, SLboolean async) {
390 SL_LOGV("android_audioRecorder_realize(%p) entering", ar);
391
392 SLresult result = SL_RESULT_SUCCESS;
393
394 // initialize platform-independent CAudioRecorder fields
395 if (SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE != ar->mDataSink.mLocator.mLocatorType) {
396 SL_LOGE(ERROR_RECORDER_SINK_MUST_BE_ANDROIDSIMPLEBUFFERQUEUE);
397 return SL_RESULT_CONTENT_UNSUPPORTED;
398 }
399 // the following platform-independent fields have been initialized in CreateAudioRecorder()
400 // ar->mNumChannels
401 // ar->mSampleRateMilliHz
402
403 SL_LOGV("new AudioRecord %u channels, %u mHz", ar->mNumChannels, ar->mSampleRateMilliHz);
404
405 // currently nothing analogous to canUseFastTrack() for recording
406 audio_input_flags_t policy = AUDIO_INPUT_FLAG_FAST;
407
408 // initialize platform-specific CAudioRecorder fields
409 ar->mAudioRecord = new android::AudioRecord();
410 ar->mAudioRecord->set(ar->mRecordSource, // source
411 sles_to_android_sampleRate(ar->mSampleRateMilliHz), // sample rate in Hertz
412 AUDIO_FORMAT_PCM_16_BIT, //FIXME use format from buffer queue sink
413 sles_to_android_channelMaskIn(ar->mNumChannels, 0 /*no channel mask*/),
414 // channel config
415 0, //frameCount min
416 audioRecorder_callback,// callback_t
417 (void*)ar, // user, callback data, here the AudioRecorder
418 0, // notificationFrames
419 false, // threadCanCallJava, note: this will prevent direct Java
420 // callbacks, but we don't want them in the recording loop
421 0, // session ID
422 android::AudioRecord::TRANSFER_CALLBACK,
423 // transfer type
424 policy); // audio_input_flags_t
425
426 if (android::NO_ERROR != ar->mAudioRecord->initCheck()) {
427 SL_LOGE("android_audioRecorder_realize(%p) error creating AudioRecord object", ar);
428 result = SL_RESULT_CONTENT_UNSUPPORTED;
429 }
430
431 #ifdef MONITOR_RECORDING
432 gMonitorFp = fopen(MONITOR_TARGET, "w");
433 if (NULL == gMonitorFp) { SL_LOGE("error opening %s", MONITOR_TARGET); }
434 else { SL_LOGE("recording to %s", MONITOR_TARGET); } // SL_LOGE so it's always displayed
435 #endif
436
437 return result;
438 }
439
440
441 //-----------------------------------------------------------------------------
442 /**
443 * Called with a lock on AudioRecorder, and blocks until safe to destroy
444 */
android_audioRecorder_preDestroy(CAudioRecorder * ar)445 void android_audioRecorder_preDestroy(CAudioRecorder* ar) {
446 object_unlock_exclusive(&ar->mObject);
447 if (ar->mCallbackProtector != 0) {
448 ar->mCallbackProtector->requestCbExitAndWait();
449 }
450 object_lock_exclusive(&ar->mObject);
451 }
452
453
454 //-----------------------------------------------------------------------------
android_audioRecorder_destroy(CAudioRecorder * ar)455 void android_audioRecorder_destroy(CAudioRecorder* ar) {
456 SL_LOGV("android_audioRecorder_destroy(%p) entering", ar);
457
458 if (ar->mAudioRecord != 0) {
459 ar->mAudioRecord->stop();
460 ar->mAudioRecord.clear();
461 }
462 // explicit destructor
463 ar->mAudioRecord.~sp();
464 ar->mCallbackProtector.~sp();
465
466 #ifdef MONITOR_RECORDING
467 if (NULL != gMonitorFp) {
468 fclose(gMonitorFp);
469 gMonitorFp = NULL;
470 }
471 #endif
472 }
473
474
475 //-----------------------------------------------------------------------------
android_audioRecorder_setRecordState(CAudioRecorder * ar,SLuint32 state)476 void android_audioRecorder_setRecordState(CAudioRecorder* ar, SLuint32 state) {
477 SL_LOGV("android_audioRecorder_setRecordState(%p, %u) entering", ar, state);
478
479 if (ar->mAudioRecord == 0) {
480 return;
481 }
482
483 switch (state) {
484 case SL_RECORDSTATE_STOPPED:
485 ar->mAudioRecord->stop();
486 break;
487 case SL_RECORDSTATE_PAUSED:
488 // Note that pausing is treated like stop as this implementation only records to a buffer
489 // queue, so there is no notion of destination being "opened" or "closed" (See description
490 // of SL_RECORDSTATE in specification)
491 ar->mAudioRecord->stop();
492 break;
493 case SL_RECORDSTATE_RECORDING:
494 ar->mAudioRecord->start();
495 break;
496 default:
497 break;
498 }
499
500 }
501
502
503 //-----------------------------------------------------------------------------
android_audioRecorder_useRecordEventMask(CAudioRecorder * ar)504 void android_audioRecorder_useRecordEventMask(CAudioRecorder *ar) {
505 IRecord *pRecordItf = &ar->mRecord;
506 SLuint32 eventFlags = pRecordItf->mCallbackEventsMask;
507
508 if (ar->mAudioRecord == 0) {
509 return;
510 }
511
512 if ((eventFlags & SL_RECORDEVENT_HEADATMARKER) && (pRecordItf->mMarkerPosition != 0)) {
513 ar->mAudioRecord->setMarkerPosition((uint32_t)((((int64_t)pRecordItf->mMarkerPosition
514 * sles_to_android_sampleRate(ar->mSampleRateMilliHz)))/1000));
515 } else {
516 // clear marker
517 ar->mAudioRecord->setMarkerPosition(0);
518 }
519
520 if (eventFlags & SL_RECORDEVENT_HEADATNEWPOS) {
521 SL_LOGV("pos update period %d", pRecordItf->mPositionUpdatePeriod);
522 ar->mAudioRecord->setPositionUpdatePeriod(
523 (uint32_t)((((int64_t)pRecordItf->mPositionUpdatePeriod
524 * sles_to_android_sampleRate(ar->mSampleRateMilliHz)))/1000));
525 } else {
526 // clear periodic update
527 ar->mAudioRecord->setPositionUpdatePeriod(0);
528 }
529
530 if (eventFlags & SL_RECORDEVENT_HEADATLIMIT) {
531 // FIXME support SL_RECORDEVENT_HEADATLIMIT
532 SL_LOGD("[ FIXME: IRecord_SetCallbackEventsMask(SL_RECORDEVENT_HEADATLIMIT) on an "
533 "SL_OBJECTID_AUDIORECORDER to be implemented ]");
534 }
535
536 if (eventFlags & SL_RECORDEVENT_HEADMOVING) {
537 // FIXME support SL_RECORDEVENT_HEADMOVING
538 SL_LOGD("[ FIXME: IRecord_SetCallbackEventsMask(SL_RECORDEVENT_HEADMOVING) on an "
539 "SL_OBJECTID_AUDIORECORDER to be implemented ]");
540 }
541
542 if (eventFlags & SL_RECORDEVENT_BUFFER_FULL) {
543 // nothing to do for SL_RECORDEVENT_BUFFER_FULL since this will not be encountered on
544 // recording to buffer queues
545 }
546
547 if (eventFlags & SL_RECORDEVENT_HEADSTALLED) {
548 // nothing to do for SL_RECORDEVENT_HEADSTALLED, callback event will be checked against mask
549 // when AudioRecord::EVENT_OVERRUN is encountered
550
551 }
552
553 }
554
555
556 //-----------------------------------------------------------------------------
android_audioRecorder_getPosition(CAudioRecorder * ar,SLmillisecond * pPosMsec)557 void android_audioRecorder_getPosition(CAudioRecorder *ar, SLmillisecond *pPosMsec) {
558 if ((NULL == ar) || (ar->mAudioRecord == 0)) {
559 *pPosMsec = 0;
560 } else {
561 uint32_t positionInFrames;
562 ar->mAudioRecord->getPosition(&positionInFrames);
563 if (ar->mSampleRateMilliHz == UNKNOWN_SAMPLERATE) {
564 *pPosMsec = 0;
565 } else {
566 *pPosMsec = ((int64_t)positionInFrames * 1000) /
567 sles_to_android_sampleRate(ar->mSampleRateMilliHz);
568 }
569 }
570 }
571