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
29 template 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
aplayer_setPlayState(const android::sp<android::GenericPlayer> & ap,SLuint32 playState,AndroidObjectState * pObjState)42 SLresult 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
adecoder_writeToBufferQueue(const uint8_t * data,size_t size,CAudioPlayer * ap)103 static 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
android_audioPlayer_volumeUpdate(CAudioPlayer * ap)171 void 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
android_player_volumeUpdate(float * pVolumes,const IVolume * volumeItf,unsigned channelCount,float amplFromDirectLevel,const bool * audibilityFactors)264 void android_player_volumeUpdate(float *pVolumes /*[2]*/, const IVolume *volumeItf, unsigned
265 channelCount, 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 //-----------------------------------------------------------------------------
audioTrack_handleMarker_lockPlay(CAudioPlayer * ap)337 void 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 //-----------------------------------------------------------------------------
audioTrack_handleNewPos_lockPlay(CAudioPlayer * ap)354 void 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 //-----------------------------------------------------------------------------
audioTrack_handleUnderrun_lockPlay(CAudioPlayer * ap)372 void 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 */
audioPlayer_dispatch_headAtEnd_lockPlay(CAudioPlayer * ap,bool setPlayStateToPaused,bool needToLock)402 void 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 //-----------------------------------------------------------------------------
audioPlayer_setStreamType(CAudioPlayer * ap,SLint32 type)440 SLresult 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 //-----------------------------------------------------------------------------
audioPlayer_getStreamType(CAudioPlayer * ap,SLint32 * pType)484 SLresult 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 //-----------------------------------------------------------------------------
audioPlayer_auxEffectUpdate(CAudioPlayer * ap)518 void 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 */
audioPlayer_isSupportedNonOutputMixSink(const SLDataSink * pAudioSink)532 bool 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 */
audioPlayer_getAndroidObjectTypeForSourceSink(CAudioPlayer * ap)565 AndroidObjectType 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 */
sfplayer_handlePrefetchEvent(int event,int data1,int data2,void * user)652 static 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
858 //-----------------------------------------------------------------------------
android_audioPlayer_checkSourceSink(CAudioPlayer * pAudioPlayer)859 SLresult android_audioPlayer_checkSourceSink(CAudioPlayer *pAudioPlayer)
860 {
861 // verify that the locator types for the source / sink combination is supported
862 pAudioPlayer->mAndroidObjType = audioPlayer_getAndroidObjectTypeForSourceSink(pAudioPlayer);
863 if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) {
864 return SL_RESULT_PARAMETER_INVALID;
865 }
866
867 const SLDataSource *pAudioSrc = &pAudioPlayer->mDataSource.u.mSource;
868 const SLDataSink *pAudioSnk = &pAudioPlayer->mDataSink.u.mSink;
869
870 // format check:
871 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator;
872 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator;
873 const SLuint32 sourceFormatType = *(SLuint32 *)pAudioSrc->pFormat;
874 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSnk->pFormat;
875
876 switch (sourceLocatorType) {
877 //------------------
878 // Buffer Queues
879 case SL_DATALOCATOR_BUFFERQUEUE:
880 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
881 {
882 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) pAudioSrc->pLocator;
883
884 // Buffer format
885 switch (sourceFormatType) {
886 // currently only PCM buffer queues are supported,
887 case SL_DATAFORMAT_PCM: {
888 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) pAudioSrc->pFormat;
889 switch (df_pcm->numChannels) {
890 case 1:
891 case 2:
892 break;
893 default:
894 // this should have already been rejected by checkDataFormat
895 SL_LOGE("Cannot create audio player: unsupported " \
896 "PCM data source with %u channels", (unsigned) df_pcm->numChannels);
897 return SL_RESULT_CONTENT_UNSUPPORTED;
898 }
899 switch (df_pcm->samplesPerSec) {
900 case SL_SAMPLINGRATE_8:
901 case SL_SAMPLINGRATE_11_025:
902 case SL_SAMPLINGRATE_12:
903 case SL_SAMPLINGRATE_16:
904 case SL_SAMPLINGRATE_22_05:
905 case SL_SAMPLINGRATE_24:
906 case SL_SAMPLINGRATE_32:
907 case SL_SAMPLINGRATE_44_1:
908 case SL_SAMPLINGRATE_48:
909 break;
910 case SL_SAMPLINGRATE_64:
911 case SL_SAMPLINGRATE_88_2:
912 case SL_SAMPLINGRATE_96:
913 case SL_SAMPLINGRATE_192:
914 default:
915 SL_LOGE("Cannot create audio player: unsupported sample rate %u milliHz",
916 (unsigned) df_pcm->samplesPerSec);
917 return SL_RESULT_CONTENT_UNSUPPORTED;
918 }
919 switch (df_pcm->bitsPerSample) {
920 case SL_PCMSAMPLEFORMAT_FIXED_8:
921 case SL_PCMSAMPLEFORMAT_FIXED_16:
922 break;
923 // others
924 default:
925 // this should have already been rejected by checkDataFormat
926 SL_LOGE("Cannot create audio player: unsupported sample bit depth %u",
927 (SLuint32)df_pcm->bitsPerSample);
928 return SL_RESULT_CONTENT_UNSUPPORTED;
929 }
930 switch (df_pcm->containerSize) {
931 case 8:
932 case 16:
933 break;
934 // others
935 default:
936 SL_LOGE("Cannot create audio player: unsupported container size %u",
937 (unsigned) df_pcm->containerSize);
938 return SL_RESULT_CONTENT_UNSUPPORTED;
939 }
940 // df_pcm->channelMask: the earlier platform-independent check and the
941 // upcoming check by sles_to_android_channelMaskOut are sufficient
942 switch (df_pcm->endianness) {
943 case SL_BYTEORDER_LITTLEENDIAN:
944 break;
945 case SL_BYTEORDER_BIGENDIAN:
946 SL_LOGE("Cannot create audio player: unsupported big-endian byte order");
947 return SL_RESULT_CONTENT_UNSUPPORTED;
948 // native is proposed but not yet in spec
949 default:
950 SL_LOGE("Cannot create audio player: unsupported byte order %u",
951 (unsigned) df_pcm->endianness);
952 return SL_RESULT_CONTENT_UNSUPPORTED;
953 }
954 } //case SL_DATAFORMAT_PCM
955 break;
956 case SL_DATAFORMAT_MIME:
957 case XA_DATAFORMAT_RAWIMAGE:
958 SL_LOGE("Cannot create audio player with buffer queue data source "
959 "without SL_DATAFORMAT_PCM format");
960 return SL_RESULT_CONTENT_UNSUPPORTED;
961 default:
962 // invalid data format is detected earlier
963 assert(false);
964 return SL_RESULT_INTERNAL_ERROR;
965 } // switch (sourceFormatType)
966 } // case SL_DATALOCATOR_BUFFERQUEUE or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
967 break;
968 //------------------
969 // URI
970 case SL_DATALOCATOR_URI:
971 {
972 SLDataLocator_URI *dl_uri = (SLDataLocator_URI *) pAudioSrc->pLocator;
973 if (NULL == dl_uri->URI) {
974 return SL_RESULT_PARAMETER_INVALID;
975 }
976 // URI format
977 switch (sourceFormatType) {
978 case SL_DATAFORMAT_MIME:
979 break;
980 case SL_DATAFORMAT_PCM:
981 case XA_DATAFORMAT_RAWIMAGE:
982 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_URI data source without "
983 "SL_DATAFORMAT_MIME format");
984 return SL_RESULT_CONTENT_UNSUPPORTED;
985 } // switch (sourceFormatType)
986 // decoding format check
987 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) &&
988 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) {
989 return SL_RESULT_CONTENT_UNSUPPORTED;
990 }
991 } // case SL_DATALOCATOR_URI
992 break;
993 //------------------
994 // File Descriptor
995 case SL_DATALOCATOR_ANDROIDFD:
996 {
997 // fd is already non null
998 switch (sourceFormatType) {
999 case SL_DATAFORMAT_MIME:
1000 break;
1001 case SL_DATAFORMAT_PCM:
1002 // FIXME implement
1003 SL_LOGD("[ FIXME implement PCM FD data sources ]");
1004 break;
1005 case XA_DATAFORMAT_RAWIMAGE:
1006 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_ANDROIDFD data source "
1007 "without SL_DATAFORMAT_MIME or SL_DATAFORMAT_PCM format");
1008 return SL_RESULT_CONTENT_UNSUPPORTED;
1009 default:
1010 // invalid data format is detected earlier
1011 assert(false);
1012 return SL_RESULT_INTERNAL_ERROR;
1013 } // switch (sourceFormatType)
1014 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) &&
1015 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) {
1016 return SL_RESULT_CONTENT_UNSUPPORTED;
1017 }
1018 } // case SL_DATALOCATOR_ANDROIDFD
1019 break;
1020 //------------------
1021 // Stream
1022 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE:
1023 {
1024 switch (sourceFormatType) {
1025 case SL_DATAFORMAT_MIME:
1026 {
1027 SLDataFormat_MIME *df_mime = (SLDataFormat_MIME *) pAudioSrc->pFormat;
1028 if (NULL == df_mime) {
1029 SL_LOGE("MIME type null invalid");
1030 return SL_RESULT_CONTENT_UNSUPPORTED;
1031 }
1032 SL_LOGD("source MIME is %s", (char*)df_mime->mimeType);
1033 switch(df_mime->containerType) {
1034 case SL_CONTAINERTYPE_MPEG_TS:
1035 if (strcasecmp((char*)df_mime->mimeType, (const char *)XA_ANDROID_MIME_MP2TS)) {
1036 SL_LOGE("Invalid MIME (%s) for container SL_CONTAINERTYPE_MPEG_TS, expects %s",
1037 (char*)df_mime->mimeType, XA_ANDROID_MIME_MP2TS);
1038 return SL_RESULT_CONTENT_UNSUPPORTED;
1039 }
1040 break;
1041 case SL_CONTAINERTYPE_RAW:
1042 case SL_CONTAINERTYPE_AAC:
1043 if (strcasecmp((char*)df_mime->mimeType, (const char *)SL_ANDROID_MIME_AACADTS) &&
1044 strcasecmp((char*)df_mime->mimeType,
1045 ANDROID_MIME_AACADTS_ANDROID_FRAMEWORK)) {
1046 SL_LOGE("Invalid MIME (%s) for container type %d, expects %s",
1047 (char*)df_mime->mimeType, df_mime->containerType,
1048 SL_ANDROID_MIME_AACADTS);
1049 return SL_RESULT_CONTENT_UNSUPPORTED;
1050 }
1051 break;
1052 default:
1053 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source "
1054 "that is not fed MPEG-2 TS data or AAC ADTS data");
1055 return SL_RESULT_CONTENT_UNSUPPORTED;
1056 }
1057 }
1058 break;
1059 default:
1060 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source "
1061 "without SL_DATAFORMAT_MIME format");
1062 return SL_RESULT_CONTENT_UNSUPPORTED;
1063 }
1064 }
1065 break; // case SL_DATALOCATOR_ANDROIDBUFFERQUEUE
1066 //------------------
1067 // Address
1068 case SL_DATALOCATOR_ADDRESS:
1069 case SL_DATALOCATOR_IODEVICE:
1070 case SL_DATALOCATOR_OUTPUTMIX:
1071 case XA_DATALOCATOR_NATIVEDISPLAY:
1072 case SL_DATALOCATOR_MIDIBUFFERQUEUE:
1073 SL_LOGE("Cannot create audio player with data locator type 0x%x",
1074 (unsigned) sourceLocatorType);
1075 return SL_RESULT_CONTENT_UNSUPPORTED;
1076 default:
1077 SL_LOGE("Cannot create audio player with invalid data locator type 0x%x",
1078 (unsigned) sourceLocatorType);
1079 return SL_RESULT_PARAMETER_INVALID;
1080 }// switch (locatorType)
1081
1082 return SL_RESULT_SUCCESS;
1083 }
1084
1085
1086 //-----------------------------------------------------------------------------
1087 // Callback associated with an AudioTrack of an SL ES AudioPlayer that gets its data
1088 // from a buffer queue. This will not be called once the AudioTrack has been destroyed.
audioTrack_callBack_pullFromBuffQueue(int event,void * user,void * info)1089 static void audioTrack_callBack_pullFromBuffQueue(int event, void* user, void *info) {
1090 CAudioPlayer *ap = (CAudioPlayer *)user;
1091
1092 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) {
1093 // it is not safe to enter the callback (the track is about to go away)
1094 return;
1095 }
1096
1097 void * callbackPContext = NULL;
1098 switch(event) {
1099
1100 case android::AudioTrack::EVENT_MORE_DATA: {
1101 //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack TID=%d", gettid());
1102 slBufferQueueCallback callback = NULL;
1103 slPrefetchCallback prefetchCallback = NULL;
1104 void *prefetchContext = NULL;
1105 SLuint32 prefetchEvents = SL_PREFETCHEVENT_NONE;
1106 android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info;
1107
1108 // retrieve data from the buffer queue
1109 interface_lock_exclusive(&ap->mBufferQueue);
1110
1111 if (ap->mBufferQueue.mState.count != 0) {
1112 //SL_LOGV("nbBuffers in queue = %u",ap->mBufferQueue.mState.count);
1113 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear);
1114
1115 BufferHeader *oldFront = ap->mBufferQueue.mFront;
1116 BufferHeader *newFront = &oldFront[1];
1117
1118 // declared as void * because this code supports both 8-bit and 16-bit PCM data
1119 void *pSrc = (char *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed;
1120 if (ap->mBufferQueue.mSizeConsumed + pBuff->size < oldFront->mSize) {
1121 // can't consume the whole or rest of the buffer in one shot
1122 ap->mBufferQueue.mSizeConsumed += pBuff->size;
1123 // leave pBuff->size untouched
1124 // consume data
1125 // FIXME can we avoid holding the lock during the copy?
1126 memcpy (pBuff->raw, pSrc, pBuff->size);
1127 } else {
1128 // finish consuming the buffer or consume the buffer in one shot
1129 pBuff->size = oldFront->mSize - ap->mBufferQueue.mSizeConsumed;
1130 ap->mBufferQueue.mSizeConsumed = 0;
1131
1132 if (newFront ==
1133 &ap->mBufferQueue.mArray
1134 [ap->mBufferQueue.mNumBuffers + 1])
1135 {
1136 newFront = ap->mBufferQueue.mArray;
1137 }
1138 ap->mBufferQueue.mFront = newFront;
1139
1140 ap->mBufferQueue.mState.count--;
1141 ap->mBufferQueue.mState.playIndex++;
1142
1143 // consume data
1144 // FIXME can we avoid holding the lock during the copy?
1145 memcpy (pBuff->raw, pSrc, pBuff->size);
1146
1147 // data has been consumed, and the buffer queue state has been updated
1148 // we will notify the client if applicable
1149 callback = ap->mBufferQueue.mCallback;
1150 // save callback data
1151 callbackPContext = ap->mBufferQueue.mContext;
1152 }
1153 } else { // empty queue
1154 // signal no data available
1155 pBuff->size = 0;
1156
1157 // signal we're at the end of the content, but don't pause (see note in function)
1158 audioPlayer_dispatch_headAtEnd_lockPlay(ap, false /*set state to paused?*/, false);
1159
1160 // signal underflow to prefetch status itf
1161 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
1162 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW;
1163 ap->mPrefetchStatus.mLevel = 0;
1164 // callback or no callback?
1165 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask &
1166 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE);
1167 if (SL_PREFETCHEVENT_NONE != prefetchEvents) {
1168 prefetchCallback = ap->mPrefetchStatus.mCallback;
1169 prefetchContext = ap->mPrefetchStatus.mContext;
1170 }
1171 }
1172
1173 // stop the track so it restarts playing faster when new data is enqueued
1174 ap->mAudioTrack->stop();
1175 }
1176 interface_unlock_exclusive(&ap->mBufferQueue);
1177
1178 // notify client
1179 if (NULL != prefetchCallback) {
1180 assert(SL_PREFETCHEVENT_NONE != prefetchEvents);
1181 // spec requires separate callbacks for each event
1182 if (prefetchEvents & SL_PREFETCHEVENT_STATUSCHANGE) {
1183 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext,
1184 SL_PREFETCHEVENT_STATUSCHANGE);
1185 }
1186 if (prefetchEvents & SL_PREFETCHEVENT_FILLLEVELCHANGE) {
1187 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext,
1188 SL_PREFETCHEVENT_FILLLEVELCHANGE);
1189 }
1190 }
1191 if (NULL != callback) {
1192 (*callback)(&ap->mBufferQueue.mItf, callbackPContext);
1193 }
1194 }
1195 break;
1196
1197 case android::AudioTrack::EVENT_MARKER:
1198 //SL_LOGI("received event EVENT_MARKER from AudioTrack");
1199 audioTrack_handleMarker_lockPlay(ap);
1200 break;
1201
1202 case android::AudioTrack::EVENT_NEW_POS:
1203 //SL_LOGI("received event EVENT_NEW_POS from AudioTrack");
1204 audioTrack_handleNewPos_lockPlay(ap);
1205 break;
1206
1207 case android::AudioTrack::EVENT_UNDERRUN:
1208 //SL_LOGI("received event EVENT_UNDERRUN from AudioTrack");
1209 audioTrack_handleUnderrun_lockPlay(ap);
1210 break;
1211
1212 case android::AudioTrack::EVENT_BUFFER_END:
1213 case android::AudioTrack::EVENT_LOOP_END:
1214 // These are unexpected so fall through
1215 default:
1216 // FIXME where does the notification of SL_PLAYEVENT_HEADMOVING fit?
1217 SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event,
1218 (CAudioPlayer *)user);
1219 break;
1220 }
1221
1222 ap->mCallbackProtector->exitCb();
1223 }
1224
1225
1226 //-----------------------------------------------------------------------------
android_audioPlayer_create(CAudioPlayer * pAudioPlayer)1227 void android_audioPlayer_create(CAudioPlayer *pAudioPlayer) {
1228
1229 // pAudioPlayer->mAndroidObjType has been set in android_audioPlayer_checkSourceSink()
1230 // and if it was == INVALID_TYPE, then IEngine_CreateAudioPlayer would never call us
1231 assert(INVALID_TYPE != pAudioPlayer->mAndroidObjType);
1232
1233 // These initializations are in the same order as the field declarations in classes.h
1234
1235 // FIXME Consolidate initializations (many of these already in IEngine_CreateAudioPlayer)
1236 // mAndroidObjType: see above comment
1237 pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED;
1238 pAudioPlayer->mSessionId = android::AudioSystem::newAudioSessionId();
1239
1240 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player
1241 // android::AudioSystem::acquireAudioSessionId(pAudioPlayer->mSessionId);
1242
1243 pAudioPlayer->mStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE;
1244
1245 // mAudioTrack
1246 pAudioPlayer->mCallbackProtector = new android::CallbackProtector();
1247 // mAPLayer
1248 // mAuxEffect
1249
1250 pAudioPlayer->mAuxSendLevel = 0;
1251 pAudioPlayer->mAmplFromDirectLevel = 1.0f; // matches initial mDirectLevel value
1252 pAudioPlayer->mDeferredStart = false;
1253
1254 // This section re-initializes interface-specific fields that
1255 // can be set or used regardless of whether the interface is
1256 // exposed on the AudioPlayer or not
1257
1258 switch (pAudioPlayer->mAndroidObjType) {
1259 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
1260 pAudioPlayer->mPlaybackRate.mMinRate = AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE;
1261 pAudioPlayer->mPlaybackRate.mMaxRate = AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE;
1262 break;
1263 case AUDIOPLAYER_FROM_URIFD:
1264 pAudioPlayer->mPlaybackRate.mMinRate = MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE;
1265 pAudioPlayer->mPlaybackRate.mMaxRate = MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE;
1266 break;
1267 default:
1268 // use the default range
1269 break;
1270 }
1271
1272 }
1273
1274
1275 //-----------------------------------------------------------------------------
android_audioPlayer_setConfig(CAudioPlayer * ap,const SLchar * configKey,const void * pConfigValue,SLuint32 valueSize)1276 SLresult android_audioPlayer_setConfig(CAudioPlayer *ap, const SLchar *configKey,
1277 const void *pConfigValue, SLuint32 valueSize) {
1278
1279 SLresult result;
1280
1281 assert(NULL != ap && NULL != configKey && NULL != pConfigValue);
1282 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) {
1283
1284 // stream type
1285 if (KEY_STREAM_TYPE_PARAMSIZE > valueSize) {
1286 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW);
1287 result = SL_RESULT_BUFFER_INSUFFICIENT;
1288 } else {
1289 result = audioPlayer_setStreamType(ap, *(SLuint32*)pConfigValue);
1290 }
1291
1292 } else {
1293 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY);
1294 result = SL_RESULT_PARAMETER_INVALID;
1295 }
1296
1297 return result;
1298 }
1299
1300
1301 //-----------------------------------------------------------------------------
android_audioPlayer_getConfig(CAudioPlayer * ap,const SLchar * configKey,SLuint32 * pValueSize,void * pConfigValue)1302 SLresult android_audioPlayer_getConfig(CAudioPlayer* ap, const SLchar *configKey,
1303 SLuint32* pValueSize, void *pConfigValue) {
1304
1305 SLresult result;
1306
1307 assert(NULL != ap && NULL != configKey && NULL != pValueSize);
1308 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) {
1309
1310 // stream type
1311 if (NULL == pConfigValue) {
1312 result = SL_RESULT_SUCCESS;
1313 } else if (KEY_STREAM_TYPE_PARAMSIZE > *pValueSize) {
1314 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW);
1315 result = SL_RESULT_BUFFER_INSUFFICIENT;
1316 } else {
1317 result = audioPlayer_getStreamType(ap, (SLint32*)pConfigValue);
1318 }
1319 *pValueSize = KEY_STREAM_TYPE_PARAMSIZE;
1320
1321 } else {
1322 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY);
1323 result = SL_RESULT_PARAMETER_INVALID;
1324 }
1325
1326 return result;
1327 }
1328
1329
1330 // Called from android_audioPlayer_realize for a PCM buffer queue player
1331 // to determine if it can use a fast track.
canUseFastTrack(CAudioPlayer * pAudioPlayer)1332 static bool canUseFastTrack(CAudioPlayer *pAudioPlayer)
1333 {
1334 assert(pAudioPlayer->mAndroidObjType == AUDIOPLAYER_FROM_PCM_BUFFERQUEUE);
1335
1336 // no need to check the buffer queue size, application side
1337 // double-buffering (and more) is not a requirement for using fast tracks
1338
1339 // Check a blacklist of interfaces that are incompatible with fast tracks.
1340 // The alternative, to check a whitelist of compatible interfaces, is
1341 // more maintainable but is too slow. As a compromise, in a debug build
1342 // we use both methods and warn if they produce different results.
1343 // In release builds, we only use the blacklist method.
1344 // If a blacklisted interface is added after realization using
1345 // DynamicInterfaceManagement::AddInterface,
1346 // then this won't be detected but the interface will be ineffective.
1347 bool blacklistResult = true;
1348 static const unsigned blacklist[] = {
1349 MPH_BASSBOOST,
1350 MPH_EFFECTSEND,
1351 MPH_ENVIRONMENTALREVERB,
1352 MPH_EQUALIZER,
1353 MPH_PLAYBACKRATE,
1354 MPH_PRESETREVERB,
1355 MPH_VIRTUALIZER,
1356 MPH_ANDROIDEFFECT,
1357 MPH_ANDROIDEFFECTSEND,
1358 // FIXME The problem with a blacklist is remembering to add new interfaces here
1359 };
1360 for (unsigned i = 0; i < sizeof(blacklist)/sizeof(blacklist[0]); ++i) {
1361 if (IsInterfaceInitialized(&pAudioPlayer->mObject, blacklist[i])) {
1362 blacklistResult = false;
1363 break;
1364 }
1365 }
1366 #if LOG_NDEBUG == 0
1367 bool whitelistResult = true;
1368 static const unsigned whitelist[] = {
1369 MPH_BUFFERQUEUE,
1370 MPH_DYNAMICINTERFACEMANAGEMENT,
1371 MPH_METADATAEXTRACTION,
1372 MPH_MUTESOLO,
1373 MPH_OBJECT,
1374 MPH_PLAY,
1375 MPH_PREFETCHSTATUS,
1376 MPH_VOLUME,
1377 MPH_ANDROIDCONFIGURATION,
1378 MPH_ANDROIDSIMPLEBUFFERQUEUE,
1379 MPH_ANDROIDBUFFERQUEUESOURCE,
1380 };
1381 for (unsigned mph = MPH_MIN; mph < MPH_MAX; ++mph) {
1382 for (unsigned i = 0; i < sizeof(whitelist)/sizeof(whitelist[0]); ++i) {
1383 if (mph == whitelist[i]) {
1384 goto compatible;
1385 }
1386 }
1387 if (IsInterfaceInitialized(&pAudioPlayer->mObject, mph)) {
1388 whitelistResult = false;
1389 break;
1390 }
1391 compatible: ;
1392 }
1393 if (whitelistResult != blacklistResult) {
1394 ALOGW("whitelistResult != blacklistResult");
1395 // and use blacklistResult below
1396 }
1397 #endif
1398 return blacklistResult;
1399 }
1400
1401
1402 //-----------------------------------------------------------------------------
1403 // FIXME abstract out the diff between CMediaPlayer and CAudioPlayer
android_audioPlayer_realize(CAudioPlayer * pAudioPlayer,SLboolean async)1404 SLresult android_audioPlayer_realize(CAudioPlayer *pAudioPlayer, SLboolean async) {
1405
1406 SLresult result = SL_RESULT_SUCCESS;
1407 SL_LOGV("Realize pAudioPlayer=%p", pAudioPlayer);
1408
1409 AudioPlayback_Parameters app;
1410 app.sessionId = pAudioPlayer->mSessionId;
1411 app.streamType = pAudioPlayer->mStreamType;
1412
1413 switch (pAudioPlayer->mAndroidObjType) {
1414
1415 //-----------------------------------
1416 // AudioTrack
1417 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
1418 {
1419 // initialize platform-specific CAudioPlayer fields
1420
1421 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *)
1422 pAudioPlayer->mDynamicSource.mDataSource;
1423 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *)
1424 pAudioPlayer->mDynamicSource.mDataSource->pFormat;
1425
1426 uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec);
1427
1428 audio_output_flags_t policy;
1429 if (canUseFastTrack(pAudioPlayer)) {
1430 policy = AUDIO_OUTPUT_FLAG_FAST;
1431 } else {
1432 policy = AUDIO_OUTPUT_FLAG_NONE;
1433 }
1434
1435 pAudioPlayer->mAudioTrack = new android::AudioTrack(
1436 pAudioPlayer->mStreamType, // streamType
1437 sampleRate, // sampleRate
1438 sles_to_android_sampleFormat(df_pcm->bitsPerSample), // format
1439 sles_to_android_channelMaskOut(df_pcm->numChannels, df_pcm->channelMask),
1440 // channel mask
1441 0, // frameCount
1442 policy, // flags
1443 audioTrack_callBack_pullFromBuffQueue, // callback
1444 (void *) pAudioPlayer, // user
1445 0, // FIXME find appropriate frame count // notificationFrame
1446 pAudioPlayer->mSessionId);
1447 android::status_t status = pAudioPlayer->mAudioTrack->initCheck();
1448 if (status != android::NO_ERROR) {
1449 SL_LOGE("AudioTrack::initCheck status %u", status);
1450 result = SL_RESULT_CONTENT_UNSUPPORTED;
1451 pAudioPlayer->mAudioTrack.clear();
1452 return result;
1453 }
1454
1455 // initialize platform-independent CAudioPlayer fields
1456
1457 pAudioPlayer->mNumChannels = df_pcm->numChannels;
1458 pAudioPlayer->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES
1459
1460 // This use case does not have a separate "prepare" step
1461 pAudioPlayer->mAndroidObjState = ANDROID_READY;
1462 }
1463 break;
1464
1465 //-----------------------------------
1466 // MediaPlayer
1467 case AUDIOPLAYER_FROM_URIFD: {
1468 pAudioPlayer->mAPlayer = new android::LocAVPlayer(&app, false /*hasVideo*/);
1469 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent,
1470 (void*)pAudioPlayer /*notifUSer*/);
1471
1472 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) {
1473 case SL_DATALOCATOR_URI: {
1474 // The legacy implementation ran Stagefright within the application process, and
1475 // so allowed local pathnames specified by URI that were openable by
1476 // the application but were not openable by mediaserver.
1477 // The current implementation runs Stagefright (mostly) within mediaserver,
1478 // which runs as a different UID and likely a different current working directory.
1479 // For backwards compatibility with any applications which may have relied on the
1480 // previous behavior, we convert an openable file URI into an FD.
1481 // Note that unlike SL_DATALOCATOR_ANDROIDFD, this FD is owned by us
1482 // and so we close it as soon as we've passed it (via Binder dup) to mediaserver.
1483 const char *uri = (const char *)pAudioPlayer->mDataSource.mLocator.mURI.URI;
1484 if (!isDistantProtocol(uri)) {
1485 // don't touch the original uri, we may need it later
1486 const char *pathname = uri;
1487 // skip over an optional leading file:// prefix
1488 if (!strncasecmp(pathname, "file://", 7)) {
1489 pathname += 7;
1490 }
1491 // attempt to open it as a file using the application's credentials
1492 int fd = ::open(pathname, O_RDONLY);
1493 if (fd >= 0) {
1494 // if open is successful, then check to see if it's a regular file
1495 struct stat statbuf;
1496 if (!::fstat(fd, &statbuf) && S_ISREG(statbuf.st_mode)) {
1497 // treat similarly to an FD data locator, but
1498 // let setDataSource take responsibility for closing fd
1499 pAudioPlayer->mAPlayer->setDataSource(fd, 0, statbuf.st_size, true);
1500 break;
1501 }
1502 // we were able to open it, but it's not a file, so let mediaserver try
1503 (void) ::close(fd);
1504 }
1505 }
1506 // if either the URI didn't look like a file, or open failed, or not a file
1507 pAudioPlayer->mAPlayer->setDataSource(uri);
1508 } break;
1509 case SL_DATALOCATOR_ANDROIDFD: {
1510 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset;
1511 pAudioPlayer->mAPlayer->setDataSource(
1512 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd,
1513 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ?
1514 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset,
1515 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length);
1516 }
1517 break;
1518 default:
1519 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR);
1520 break;
1521 }
1522
1523 }
1524 break;
1525
1526 //-----------------------------------
1527 // StreamPlayer
1528 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: {
1529 android::StreamPlayer* splr = new android::StreamPlayer(&app, false /*hasVideo*/,
1530 &pAudioPlayer->mAndroidBufferQueue, pAudioPlayer->mCallbackProtector);
1531 pAudioPlayer->mAPlayer = splr;
1532 splr->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer);
1533 }
1534 break;
1535
1536 //-----------------------------------
1537 // AudioToCbRenderer
1538 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: {
1539 android::AudioToCbRenderer* decoder = new android::AudioToCbRenderer(&app);
1540 pAudioPlayer->mAPlayer = decoder;
1541 // configures the callback for the sink buffer queue
1542 decoder->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer);
1543 // configures the callback for the notifications coming from the SF code
1544 decoder->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer);
1545
1546 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) {
1547 case SL_DATALOCATOR_URI:
1548 decoder->setDataSource(
1549 (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI);
1550 break;
1551 case SL_DATALOCATOR_ANDROIDFD: {
1552 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset;
1553 decoder->setDataSource(
1554 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd,
1555 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ?
1556 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset,
1557 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length);
1558 }
1559 break;
1560 default:
1561 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR);
1562 break;
1563 }
1564
1565 }
1566 break;
1567
1568 //-----------------------------------
1569 // AacBqToPcmCbRenderer
1570 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: {
1571 android::AacBqToPcmCbRenderer* bqtobq = new android::AacBqToPcmCbRenderer(&app,
1572 &pAudioPlayer->mAndroidBufferQueue);
1573 // configures the callback for the sink buffer queue
1574 bqtobq->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer);
1575 pAudioPlayer->mAPlayer = bqtobq;
1576 // configures the callback for the notifications coming from the SF code,
1577 // but also implicitly configures the AndroidBufferQueue from which ADTS data is read
1578 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer);
1579 }
1580 break;
1581
1582 //-----------------------------------
1583 default:
1584 SL_LOGE(ERROR_PLAYERREALIZE_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType);
1585 result = SL_RESULT_INTERNAL_ERROR;
1586 break;
1587 }
1588
1589 // proceed with effect initialization
1590 // initialize EQ
1591 // FIXME use a table of effect descriptors when adding support for more effects
1592 if (memcmp(SL_IID_EQUALIZER, &pAudioPlayer->mEqualizer.mEqDescriptor.type,
1593 sizeof(effect_uuid_t)) == 0) {
1594 SL_LOGV("Need to initialize EQ for AudioPlayer=%p", pAudioPlayer);
1595 android_eq_init(pAudioPlayer->mSessionId, &pAudioPlayer->mEqualizer);
1596 }
1597 // initialize BassBoost
1598 if (memcmp(SL_IID_BASSBOOST, &pAudioPlayer->mBassBoost.mBassBoostDescriptor.type,
1599 sizeof(effect_uuid_t)) == 0) {
1600 SL_LOGV("Need to initialize BassBoost for AudioPlayer=%p", pAudioPlayer);
1601 android_bb_init(pAudioPlayer->mSessionId, &pAudioPlayer->mBassBoost);
1602 }
1603 // initialize Virtualizer
1604 if (memcmp(SL_IID_VIRTUALIZER, &pAudioPlayer->mVirtualizer.mVirtualizerDescriptor.type,
1605 sizeof(effect_uuid_t)) == 0) {
1606 SL_LOGV("Need to initialize Virtualizer for AudioPlayer=%p", pAudioPlayer);
1607 android_virt_init(pAudioPlayer->mSessionId, &pAudioPlayer->mVirtualizer);
1608 }
1609
1610 // initialize EffectSend
1611 // FIXME initialize EffectSend
1612
1613 return result;
1614 }
1615
1616
1617 //-----------------------------------------------------------------------------
1618 /**
1619 * Called with a lock on AudioPlayer, and blocks until safe to destroy
1620 */
android_audioPlayer_preDestroy(CAudioPlayer * pAudioPlayer)1621 SLresult android_audioPlayer_preDestroy(CAudioPlayer *pAudioPlayer) {
1622 SL_LOGD("android_audioPlayer_preDestroy(%p)", pAudioPlayer);
1623 SLresult result = SL_RESULT_SUCCESS;
1624
1625 bool disableCallbacksBeforePreDestroy;
1626 switch (pAudioPlayer->mAndroidObjType) {
1627 // Not yet clear why this order is important, but it reduces detected deadlocks
1628 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1629 disableCallbacksBeforePreDestroy = true;
1630 break;
1631 // Use the old behavior for all other use cases until proven
1632 // case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1633 default:
1634 disableCallbacksBeforePreDestroy = false;
1635 break;
1636 }
1637
1638 if (disableCallbacksBeforePreDestroy) {
1639 object_unlock_exclusive(&pAudioPlayer->mObject);
1640 if (pAudioPlayer->mCallbackProtector != 0) {
1641 pAudioPlayer->mCallbackProtector->requestCbExitAndWait();
1642 }
1643 object_lock_exclusive(&pAudioPlayer->mObject);
1644 }
1645
1646 if (pAudioPlayer->mAPlayer != 0) {
1647 pAudioPlayer->mAPlayer->preDestroy();
1648 }
1649 SL_LOGD("android_audioPlayer_preDestroy(%p) after mAPlayer->preDestroy()", pAudioPlayer);
1650
1651 if (!disableCallbacksBeforePreDestroy) {
1652 object_unlock_exclusive(&pAudioPlayer->mObject);
1653 if (pAudioPlayer->mCallbackProtector != 0) {
1654 pAudioPlayer->mCallbackProtector->requestCbExitAndWait();
1655 }
1656 object_lock_exclusive(&pAudioPlayer->mObject);
1657 }
1658
1659 return result;
1660 }
1661
1662
1663 //-----------------------------------------------------------------------------
android_audioPlayer_destroy(CAudioPlayer * pAudioPlayer)1664 SLresult android_audioPlayer_destroy(CAudioPlayer *pAudioPlayer) {
1665 SLresult result = SL_RESULT_SUCCESS;
1666 SL_LOGV("android_audioPlayer_destroy(%p)", pAudioPlayer);
1667 switch (pAudioPlayer->mAndroidObjType) {
1668
1669 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
1670 // We own the audio track for PCM buffer queue players
1671 if (pAudioPlayer->mAudioTrack != 0) {
1672 pAudioPlayer->mAudioTrack->stop();
1673 // Note that there may still be another reference in post-unlock phase of SetPlayState
1674 pAudioPlayer->mAudioTrack.clear();
1675 }
1676 break;
1677
1678 case AUDIOPLAYER_FROM_URIFD: // intended fall-through
1679 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through
1680 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through
1681 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1682 pAudioPlayer->mAPlayer.clear();
1683 break;
1684 //-----------------------------------
1685 default:
1686 SL_LOGE(ERROR_PLAYERDESTROY_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType);
1687 result = SL_RESULT_INTERNAL_ERROR;
1688 break;
1689 }
1690
1691 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player
1692 // android::AudioSystem::releaseAudioSessionId(pAudioPlayer->mSessionId);
1693
1694 pAudioPlayer->mCallbackProtector.clear();
1695
1696 // explicit destructor
1697 pAudioPlayer->mAudioTrack.~sp();
1698 // note that SetPlayState(PLAYING) may still hold a reference
1699 pAudioPlayer->mCallbackProtector.~sp();
1700 pAudioPlayer->mAuxEffect.~sp();
1701 pAudioPlayer->mAPlayer.~sp();
1702
1703 return result;
1704 }
1705
1706
1707 //-----------------------------------------------------------------------------
android_audioPlayer_setPlaybackRateAndConstraints(CAudioPlayer * ap,SLpermille rate,SLuint32 constraints)1708 SLresult android_audioPlayer_setPlaybackRateAndConstraints(CAudioPlayer *ap, SLpermille rate,
1709 SLuint32 constraints) {
1710 SLresult result = SL_RESULT_SUCCESS;
1711 switch(ap->mAndroidObjType) {
1712 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: {
1713 // these asserts were already checked by the platform-independent layer
1714 assert((AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE <= rate) &&
1715 (rate <= AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE));
1716 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO);
1717 // get the content sample rate
1718 uint32_t contentRate = sles_to_android_sampleRate(ap->mSampleRateMilliHz);
1719 // apply the SL ES playback rate on the AudioTrack as a factor of its content sample rate
1720 if (ap->mAudioTrack != 0) {
1721 ap->mAudioTrack->setSampleRate(contentRate * (rate/1000.0f));
1722 }
1723 }
1724 break;
1725 case AUDIOPLAYER_FROM_URIFD: {
1726 assert((MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE <= rate) &&
1727 (rate <= MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE));
1728 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO);
1729 // apply the SL ES playback rate on the GenericPlayer
1730 if (ap->mAPlayer != 0) {
1731 ap->mAPlayer->setPlaybackRate((int16_t)rate);
1732 }
1733 }
1734 break;
1735
1736 default:
1737 SL_LOGE("Unexpected object type %d", ap->mAndroidObjType);
1738 result = SL_RESULT_FEATURE_UNSUPPORTED;
1739 break;
1740 }
1741 return result;
1742 }
1743
1744
1745 //-----------------------------------------------------------------------------
1746 // precondition
1747 // called with no lock held
1748 // ap != NULL
1749 // pItemCount != NULL
android_audioPlayer_metadata_getItemCount(CAudioPlayer * ap,SLuint32 * pItemCount)1750 SLresult android_audioPlayer_metadata_getItemCount(CAudioPlayer *ap, SLuint32 *pItemCount) {
1751 if (ap->mAPlayer == 0) {
1752 return SL_RESULT_PARAMETER_INVALID;
1753 }
1754 switch(ap->mAndroidObjType) {
1755 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1756 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1757 {
1758 android::AudioSfDecoder* decoder =
1759 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1760 *pItemCount = decoder->getPcmFormatKeyCount();
1761 }
1762 break;
1763 default:
1764 *pItemCount = 0;
1765 break;
1766 }
1767 return SL_RESULT_SUCCESS;
1768 }
1769
1770
1771 //-----------------------------------------------------------------------------
1772 // precondition
1773 // called with no lock held
1774 // ap != NULL
1775 // pKeySize != NULL
android_audioPlayer_metadata_getKeySize(CAudioPlayer * ap,SLuint32 index,SLuint32 * pKeySize)1776 SLresult android_audioPlayer_metadata_getKeySize(CAudioPlayer *ap,
1777 SLuint32 index, SLuint32 *pKeySize) {
1778 if (ap->mAPlayer == 0) {
1779 return SL_RESULT_PARAMETER_INVALID;
1780 }
1781 SLresult res = SL_RESULT_SUCCESS;
1782 switch(ap->mAndroidObjType) {
1783 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1784 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1785 {
1786 android::AudioSfDecoder* decoder =
1787 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1788 SLuint32 keyNameSize = 0;
1789 if (!decoder->getPcmFormatKeySize(index, &keyNameSize)) {
1790 res = SL_RESULT_PARAMETER_INVALID;
1791 } else {
1792 // *pKeySize is the size of the region used to store the key name AND
1793 // the information about the key (size, lang, encoding)
1794 *pKeySize = keyNameSize + sizeof(SLMetadataInfo);
1795 }
1796 }
1797 break;
1798 default:
1799 *pKeySize = 0;
1800 res = SL_RESULT_PARAMETER_INVALID;
1801 break;
1802 }
1803 return res;
1804 }
1805
1806
1807 //-----------------------------------------------------------------------------
1808 // precondition
1809 // called with no lock held
1810 // ap != NULL
1811 // pKey != NULL
android_audioPlayer_metadata_getKey(CAudioPlayer * ap,SLuint32 index,SLuint32 size,SLMetadataInfo * pKey)1812 SLresult android_audioPlayer_metadata_getKey(CAudioPlayer *ap,
1813 SLuint32 index, SLuint32 size, SLMetadataInfo *pKey) {
1814 if (ap->mAPlayer == 0) {
1815 return SL_RESULT_PARAMETER_INVALID;
1816 }
1817 SLresult res = SL_RESULT_SUCCESS;
1818 switch(ap->mAndroidObjType) {
1819 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1820 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1821 {
1822 android::AudioSfDecoder* decoder =
1823 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1824 if ((size < sizeof(SLMetadataInfo) ||
1825 (!decoder->getPcmFormatKeyName(index, size - sizeof(SLMetadataInfo),
1826 (char*)pKey->data)))) {
1827 res = SL_RESULT_PARAMETER_INVALID;
1828 } else {
1829 // successfully retrieved the key value, update the other fields
1830 pKey->encoding = SL_CHARACTERENCODING_UTF8;
1831 memcpy((char *) pKey->langCountry, "en", 3);
1832 pKey->size = strlen((char*)pKey->data) + 1;
1833 }
1834 }
1835 break;
1836 default:
1837 res = SL_RESULT_PARAMETER_INVALID;
1838 break;
1839 }
1840 return res;
1841 }
1842
1843
1844 //-----------------------------------------------------------------------------
1845 // precondition
1846 // called with no lock held
1847 // ap != NULL
1848 // pValueSize != NULL
android_audioPlayer_metadata_getValueSize(CAudioPlayer * ap,SLuint32 index,SLuint32 * pValueSize)1849 SLresult android_audioPlayer_metadata_getValueSize(CAudioPlayer *ap,
1850 SLuint32 index, SLuint32 *pValueSize) {
1851 if (ap->mAPlayer == 0) {
1852 return SL_RESULT_PARAMETER_INVALID;
1853 }
1854 SLresult res = SL_RESULT_SUCCESS;
1855 switch(ap->mAndroidObjType) {
1856 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1857 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1858 {
1859 android::AudioSfDecoder* decoder =
1860 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1861 SLuint32 valueSize = 0;
1862 if (!decoder->getPcmFormatValueSize(index, &valueSize)) {
1863 res = SL_RESULT_PARAMETER_INVALID;
1864 } else {
1865 // *pValueSize is the size of the region used to store the key value AND
1866 // the information about the value (size, lang, encoding)
1867 *pValueSize = valueSize + sizeof(SLMetadataInfo);
1868 }
1869 }
1870 break;
1871 default:
1872 *pValueSize = 0;
1873 res = SL_RESULT_PARAMETER_INVALID;
1874 break;
1875 }
1876 return res;
1877 }
1878
1879
1880 //-----------------------------------------------------------------------------
1881 // precondition
1882 // called with no lock held
1883 // ap != NULL
1884 // pValue != NULL
android_audioPlayer_metadata_getValue(CAudioPlayer * ap,SLuint32 index,SLuint32 size,SLMetadataInfo * pValue)1885 SLresult android_audioPlayer_metadata_getValue(CAudioPlayer *ap,
1886 SLuint32 index, SLuint32 size, SLMetadataInfo *pValue) {
1887 if (ap->mAPlayer == 0) {
1888 return SL_RESULT_PARAMETER_INVALID;
1889 }
1890 SLresult res = SL_RESULT_SUCCESS;
1891 switch(ap->mAndroidObjType) {
1892 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1893 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1894 {
1895 android::AudioSfDecoder* decoder =
1896 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1897 pValue->encoding = SL_CHARACTERENCODING_BINARY;
1898 memcpy((char *) pValue->langCountry, "en", 3); // applicable here?
1899 SLuint32 valueSize = 0;
1900 if ((size < sizeof(SLMetadataInfo)
1901 || (!decoder->getPcmFormatValueSize(index, &valueSize))
1902 || (!decoder->getPcmFormatKeyValue(index, size - sizeof(SLMetadataInfo),
1903 (SLuint32*)pValue->data)))) {
1904 res = SL_RESULT_PARAMETER_INVALID;
1905 } else {
1906 pValue->size = valueSize;
1907 }
1908 }
1909 break;
1910 default:
1911 res = SL_RESULT_PARAMETER_INVALID;
1912 break;
1913 }
1914 return res;
1915 }
1916
1917 //-----------------------------------------------------------------------------
1918 // preconditions
1919 // ap != NULL
1920 // mutex is locked
1921 // play state has changed
android_audioPlayer_setPlayState(CAudioPlayer * ap)1922 void android_audioPlayer_setPlayState(CAudioPlayer *ap) {
1923
1924 SLuint32 playState = ap->mPlay.mState;
1925 AndroidObjectState objState = ap->mAndroidObjState;
1926
1927 switch(ap->mAndroidObjType) {
1928 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
1929 switch (playState) {
1930 case SL_PLAYSTATE_STOPPED:
1931 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED");
1932 if (ap->mAudioTrack != 0) {
1933 ap->mAudioTrack->stop();
1934 }
1935 break;
1936 case SL_PLAYSTATE_PAUSED:
1937 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED");
1938 if (ap->mAudioTrack != 0) {
1939 ap->mAudioTrack->pause();
1940 }
1941 break;
1942 case SL_PLAYSTATE_PLAYING:
1943 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING");
1944 if (ap->mAudioTrack != 0) {
1945 // instead of ap->mAudioTrack->start();
1946 ap->mDeferredStart = true;
1947 }
1948 break;
1949 default:
1950 // checked by caller, should not happen
1951 break;
1952 }
1953 break;
1954
1955 case AUDIOPLAYER_FROM_URIFD: // intended fall-through
1956 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through
1957 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through
1958 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1959 // FIXME report and use the return code to the lock mechanism, which is where play state
1960 // changes are updated (see object_unlock_exclusive_attributes())
1961 aplayer_setPlayState(ap->mAPlayer, playState, &(ap->mAndroidObjState));
1962 break;
1963 default:
1964 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_UNEXPECTED_OBJECT_TYPE_D, ap->mAndroidObjType);
1965 break;
1966 }
1967 }
1968
1969
1970 //-----------------------------------------------------------------------------
1971 // call when either player event flags, marker position, or position update period changes
android_audioPlayer_usePlayEventMask(CAudioPlayer * ap)1972 void android_audioPlayer_usePlayEventMask(CAudioPlayer *ap) {
1973 IPlay *pPlayItf = &ap->mPlay;
1974 SLuint32 eventFlags = pPlayItf->mEventFlags;
1975 /*switch(ap->mAndroidObjType) {
1976 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:*/
1977
1978 if (ap->mAPlayer != 0) {
1979 assert(ap->mAudioTrack == 0);
1980 ap->mAPlayer->setPlayEvents((int32_t) eventFlags, (int32_t) pPlayItf->mMarkerPosition,
1981 (int32_t) pPlayItf->mPositionUpdatePeriod);
1982 return;
1983 }
1984
1985 if (ap->mAudioTrack == 0) {
1986 return;
1987 }
1988
1989 if (eventFlags & SL_PLAYEVENT_HEADATMARKER) {
1990 ap->mAudioTrack->setMarkerPosition((uint32_t)((((int64_t)pPlayItf->mMarkerPosition
1991 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000));
1992 } else {
1993 // clear marker
1994 ap->mAudioTrack->setMarkerPosition(0);
1995 }
1996
1997 if (eventFlags & SL_PLAYEVENT_HEADATNEWPOS) {
1998 ap->mAudioTrack->setPositionUpdatePeriod(
1999 (uint32_t)((((int64_t)pPlayItf->mPositionUpdatePeriod
2000 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000));
2001 } else {
2002 // clear periodic update
2003 ap->mAudioTrack->setPositionUpdatePeriod(0);
2004 }
2005
2006 if (eventFlags & SL_PLAYEVENT_HEADATEND) {
2007 // nothing to do for SL_PLAYEVENT_HEADATEND, callback event will be checked against mask
2008 }
2009
2010 if (eventFlags & SL_PLAYEVENT_HEADMOVING) {
2011 // FIXME support SL_PLAYEVENT_HEADMOVING
2012 SL_LOGD("[ FIXME: IPlay_SetCallbackEventsMask(SL_PLAYEVENT_HEADMOVING) on an "
2013 "SL_OBJECTID_AUDIOPLAYER to be implemented ]");
2014 }
2015 if (eventFlags & SL_PLAYEVENT_HEADSTALLED) {
2016 // nothing to do for SL_PLAYEVENT_HEADSTALLED, callback event will be checked against mask
2017 }
2018
2019 }
2020
2021
2022 //-----------------------------------------------------------------------------
android_audioPlayer_getDuration(IPlay * pPlayItf,SLmillisecond * pDurMsec)2023 SLresult android_audioPlayer_getDuration(IPlay *pPlayItf, SLmillisecond *pDurMsec) {
2024 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis;
2025 switch(ap->mAndroidObjType) {
2026
2027 case AUDIOPLAYER_FROM_URIFD: // intended fall-through
2028 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: {
2029 int32_t durationMsec = ANDROID_UNKNOWN_TIME;
2030 if (ap->mAPlayer != 0) {
2031 ap->mAPlayer->getDurationMsec(&durationMsec);
2032 }
2033 *pDurMsec = durationMsec == ANDROID_UNKNOWN_TIME ? SL_TIME_UNKNOWN : durationMsec;
2034 break;
2035 }
2036
2037 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through
2038 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
2039 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
2040 default: {
2041 *pDurMsec = SL_TIME_UNKNOWN;
2042 }
2043 }
2044 return SL_RESULT_SUCCESS;
2045 }
2046
2047
2048 //-----------------------------------------------------------------------------
android_audioPlayer_getPosition(IPlay * pPlayItf,SLmillisecond * pPosMsec)2049 void android_audioPlayer_getPosition(IPlay *pPlayItf, SLmillisecond *pPosMsec) {
2050 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis;
2051 switch(ap->mAndroidObjType) {
2052
2053 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
2054 if ((ap->mSampleRateMilliHz == UNKNOWN_SAMPLERATE) || (ap->mAudioTrack == 0)) {
2055 *pPosMsec = 0;
2056 } else {
2057 uint32_t positionInFrames;
2058 ap->mAudioTrack->getPosition(&positionInFrames);
2059 *pPosMsec = ((int64_t)positionInFrames * 1000) /
2060 sles_to_android_sampleRate(ap->mSampleRateMilliHz);
2061 }
2062 break;
2063
2064 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through
2065 case AUDIOPLAYER_FROM_URIFD:
2066 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
2067 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: {
2068 int32_t posMsec = ANDROID_UNKNOWN_TIME;
2069 if (ap->mAPlayer != 0) {
2070 ap->mAPlayer->getPositionMsec(&posMsec);
2071 }
2072 *pPosMsec = posMsec == ANDROID_UNKNOWN_TIME ? 0 : posMsec;
2073 break;
2074 }
2075
2076 default:
2077 *pPosMsec = 0;
2078 }
2079 }
2080
2081
2082 //-----------------------------------------------------------------------------
android_audioPlayer_seek(CAudioPlayer * ap,SLmillisecond posMsec)2083 SLresult android_audioPlayer_seek(CAudioPlayer *ap, SLmillisecond posMsec) {
2084 SLresult result = SL_RESULT_SUCCESS;
2085
2086 switch(ap->mAndroidObjType) {
2087
2088 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: // intended fall-through
2089 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE:
2090 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
2091 result = SL_RESULT_FEATURE_UNSUPPORTED;
2092 break;
2093
2094 case AUDIOPLAYER_FROM_URIFD: // intended fall-through
2095 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
2096 if (ap->mAPlayer != 0) {
2097 ap->mAPlayer->seek(posMsec);
2098 }
2099 break;
2100
2101 default:
2102 break;
2103 }
2104 return result;
2105 }
2106
2107
2108 //-----------------------------------------------------------------------------
android_audioPlayer_loop(CAudioPlayer * ap,SLboolean loopEnable)2109 SLresult android_audioPlayer_loop(CAudioPlayer *ap, SLboolean loopEnable) {
2110 SLresult result = SL_RESULT_SUCCESS;
2111
2112 switch (ap->mAndroidObjType) {
2113 case AUDIOPLAYER_FROM_URIFD:
2114 // case AUDIOPLAY_FROM_URIFD_TO_PCM_BUFFERQUEUE:
2115 // would actually work, but what's the point?
2116 if (ap->mAPlayer != 0) {
2117 ap->mAPlayer->loop((bool)loopEnable);
2118 }
2119 break;
2120 default:
2121 result = SL_RESULT_FEATURE_UNSUPPORTED;
2122 break;
2123 }
2124 return result;
2125 }
2126
2127
2128 //-----------------------------------------------------------------------------
android_audioPlayer_setBufferingUpdateThresholdPerMille(CAudioPlayer * ap,SLpermille threshold)2129 SLresult android_audioPlayer_setBufferingUpdateThresholdPerMille(CAudioPlayer *ap,
2130 SLpermille threshold) {
2131 SLresult result = SL_RESULT_SUCCESS;
2132
2133 switch (ap->mAndroidObjType) {
2134 case AUDIOPLAYER_FROM_URIFD:
2135 if (ap->mAPlayer != 0) {
2136 ap->mAPlayer->setBufferingUpdateThreshold(threshold / 10);
2137 }
2138 break;
2139
2140 default: {}
2141 }
2142
2143 return result;
2144 }
2145
2146
2147 //-----------------------------------------------------------------------------
android_audioPlayer_bufferQueue_onRefilled_l(CAudioPlayer * ap)2148 void android_audioPlayer_bufferQueue_onRefilled_l(CAudioPlayer *ap) {
2149 // the AudioTrack associated with the AudioPlayer receiving audio from a PCM buffer
2150 // queue was stopped when the queue become empty, we restart as soon as a new buffer
2151 // has been enqueued since we're in playing state
2152 if (ap->mAudioTrack != 0) {
2153 // instead of ap->mAudioTrack->start();
2154 ap->mDeferredStart = true;
2155 }
2156
2157 // when the queue became empty, an underflow on the prefetch status itf was sent. Now the queue
2158 // has received new data, signal it has sufficient data
2159 if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
2160 // we wouldn't have been called unless we were previously in the underflow state
2161 assert(SL_PREFETCHSTATUS_UNDERFLOW == ap->mPrefetchStatus.mStatus);
2162 assert(0 == ap->mPrefetchStatus.mLevel);
2163 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA;
2164 ap->mPrefetchStatus.mLevel = 1000;
2165 // callback or no callback?
2166 SLuint32 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask &
2167 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE);
2168 if (SL_PREFETCHEVENT_NONE != prefetchEvents) {
2169 ap->mPrefetchStatus.mDeferredPrefetchCallback = ap->mPrefetchStatus.mCallback;
2170 ap->mPrefetchStatus.mDeferredPrefetchContext = ap->mPrefetchStatus.mContext;
2171 ap->mPrefetchStatus.mDeferredPrefetchEvents = prefetchEvents;
2172 }
2173 }
2174 }
2175
2176
2177 //-----------------------------------------------------------------------------
2178 /*
2179 * BufferQueue::Clear
2180 */
android_audioPlayer_bufferQueue_onClear(CAudioPlayer * ap)2181 SLresult android_audioPlayer_bufferQueue_onClear(CAudioPlayer *ap) {
2182 SLresult result = SL_RESULT_SUCCESS;
2183
2184 switch (ap->mAndroidObjType) {
2185 //-----------------------------------
2186 // AudioTrack
2187 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
2188 if (ap->mAudioTrack != 0) {
2189 ap->mAudioTrack->flush();
2190 }
2191 break;
2192 default:
2193 result = SL_RESULT_INTERNAL_ERROR;
2194 break;
2195 }
2196
2197 return result;
2198 }
2199
2200
2201 //-----------------------------------------------------------------------------
android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer * ap)2202 void android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer *ap) {
2203 switch (ap->mAndroidObjType) {
2204 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE:
2205 if (ap->mAPlayer != 0) {
2206 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get());
2207 splr->appClear_l();
2208 } break;
2209 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
2210 // nothing to do here, fall through
2211 default:
2212 break;
2213 }
2214 }
2215
android_audioPlayer_androidBufferQueue_onRefilled_l(CAudioPlayer * ap)2216 void android_audioPlayer_androidBufferQueue_onRefilled_l(CAudioPlayer *ap) {
2217 switch (ap->mAndroidObjType) {
2218 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE:
2219 if (ap->mAPlayer != 0) {
2220 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get());
2221 splr->queueRefilled();
2222 } break;
2223 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
2224 // FIXME this may require waking up the decoder if it is currently starved and isn't polling
2225 default:
2226 break;
2227 }
2228 }
2229