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 #include "android/channels.h"
24
25 #include <fcntl.h>
26 #include <sys/stat.h>
27
28 #include <system/audio.h>
29
30 template class android::KeyedVector<SLuint32,
31 android::sp<android::AudioEffect> > ;
32
33 #define KEY_STREAM_TYPE_PARAMSIZE sizeof(SLint32)
34
35 #define AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE 500
36 #define AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE 2000
37
38 #define MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE
39 #define MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE
40
41 //-----------------------------------------------------------------------------
42 // FIXME this method will be absorbed into android_audioPlayer_setPlayState() once
43 // bufferqueue and uri/fd playback are moved under the GenericPlayer C++ object
aplayer_setPlayState(const android::sp<android::GenericPlayer> & ap,SLuint32 playState,AndroidObjectState * pObjState)44 SLresult aplayer_setPlayState(const android::sp<android::GenericPlayer> &ap, SLuint32 playState,
45 AndroidObjectState* pObjState) {
46 SLresult result = SL_RESULT_SUCCESS;
47 AndroidObjectState objState = *pObjState;
48
49 switch (playState) {
50 case SL_PLAYSTATE_STOPPED:
51 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_STOPPED");
52 ap->stop();
53 break;
54 case SL_PLAYSTATE_PAUSED:
55 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PAUSED");
56 switch (objState) {
57 case ANDROID_UNINITIALIZED:
58 *pObjState = ANDROID_PREPARING;
59 ap->prepare();
60 break;
61 case ANDROID_PREPARING:
62 break;
63 case ANDROID_READY:
64 ap->pause();
65 break;
66 default:
67 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState);
68 result = SL_RESULT_INTERNAL_ERROR;
69 break;
70 }
71 break;
72 case SL_PLAYSTATE_PLAYING: {
73 SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PLAYING");
74 switch (objState) {
75 case ANDROID_UNINITIALIZED:
76 *pObjState = ANDROID_PREPARING;
77 ap->prepare();
78 // intended fall through
79 case ANDROID_PREPARING:
80 // intended fall through
81 case ANDROID_READY:
82 ap->play();
83 break;
84 default:
85 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState);
86 result = SL_RESULT_INTERNAL_ERROR;
87 break;
88 }
89 }
90 break;
91 default:
92 // checked by caller, should not happen
93 SL_LOGE(ERROR_SHOULDNT_BE_HERE_S, "aplayer_setPlayState");
94 result = SL_RESULT_INTERNAL_ERROR;
95 break;
96 }
97
98 return result;
99 }
100
101
102 //-----------------------------------------------------------------------------
103 // Callback associated with a AudioToCbRenderer of an SL ES AudioPlayer that gets its data
104 // 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)105 static size_t adecoder_writeToBufferQueue(const uint8_t *data, size_t size, CAudioPlayer* ap) {
106 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) {
107 // it is not safe to enter the callback (the player is about to go away)
108 return 0;
109 }
110 size_t sizeConsumed = 0;
111 SL_LOGD("received %d bytes from decoder", size);
112 slBufferQueueCallback callback = NULL;
113 void * callbackPContext = NULL;
114
115 // push decoded data to the buffer queue
116 object_lock_exclusive(&ap->mObject);
117
118 if (ap->mBufferQueue.mState.count != 0) {
119 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear);
120
121 BufferHeader *oldFront = ap->mBufferQueue.mFront;
122 BufferHeader *newFront = &oldFront[1];
123
124 uint8_t *pDest = (uint8_t *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed;
125 if (ap->mBufferQueue.mSizeConsumed + size < oldFront->mSize) {
126 // room to consume the whole or rest of the decoded data in one shot
127 ap->mBufferQueue.mSizeConsumed += size;
128 // consume data but no callback to the BufferQueue interface here
129 memcpy(pDest, data, size);
130 sizeConsumed = size;
131 } else {
132 // push as much as possible of the decoded data into the buffer queue
133 sizeConsumed = oldFront->mSize - ap->mBufferQueue.mSizeConsumed;
134
135 // the buffer at the head of the buffer queue is full, update the state
136 ap->mBufferQueue.mSizeConsumed = 0;
137 if (newFront == &ap->mBufferQueue.mArray[ap->mBufferQueue.mNumBuffers + 1]) {
138 newFront = ap->mBufferQueue.mArray;
139 }
140 ap->mBufferQueue.mFront = newFront;
141
142 ap->mBufferQueue.mState.count--;
143 ap->mBufferQueue.mState.playIndex++;
144 // consume data
145 memcpy(pDest, data, sizeConsumed);
146 // data has been copied to the buffer, and the buffer queue state has been updated
147 // we will notify the client if applicable
148 callback = ap->mBufferQueue.mCallback;
149 // save callback data
150 callbackPContext = ap->mBufferQueue.mContext;
151 }
152
153 } else {
154 // no available buffers in the queue to write the decoded data
155 sizeConsumed = 0;
156 }
157
158 object_unlock_exclusive(&ap->mObject);
159 // notify client
160 if (NULL != callback) {
161 (*callback)(&ap->mBufferQueue.mItf, callbackPContext);
162 }
163
164 ap->mCallbackProtector->exitCb();
165 return sizeConsumed;
166 }
167
168
169 //-----------------------------------------------------------------------------
170 #define LEFT_CHANNEL_MASK AUDIO_CHANNEL_OUT_FRONT_LEFT
171 #define RIGHT_CHANNEL_MASK AUDIO_CHANNEL_OUT_FRONT_RIGHT
172
android_audioPlayer_volumeUpdate(CAudioPlayer * ap)173 void android_audioPlayer_volumeUpdate(CAudioPlayer* ap)
174 {
175 assert(ap != NULL);
176
177 // the source's channel count, where zero means unknown
178 SLuint8 channelCount = ap->mNumChannels;
179
180 // whether each channel is audible
181 bool leftAudibilityFactor, rightAudibilityFactor;
182
183 // mute has priority over solo
184 if (channelCount >= STEREO_CHANNELS) {
185 if (ap->mMuteMask & LEFT_CHANNEL_MASK) {
186 // left muted
187 leftAudibilityFactor = false;
188 } else {
189 // left not muted
190 if (ap->mSoloMask & LEFT_CHANNEL_MASK) {
191 // left soloed
192 leftAudibilityFactor = true;
193 } else {
194 // left not soloed
195 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) {
196 // right solo silences left
197 leftAudibilityFactor = false;
198 } else {
199 // left and right are not soloed, and left is not muted
200 leftAudibilityFactor = true;
201 }
202 }
203 }
204
205 if (ap->mMuteMask & RIGHT_CHANNEL_MASK) {
206 // right muted
207 rightAudibilityFactor = false;
208 } else {
209 // right not muted
210 if (ap->mSoloMask & RIGHT_CHANNEL_MASK) {
211 // right soloed
212 rightAudibilityFactor = true;
213 } else {
214 // right not soloed
215 if (ap->mSoloMask & LEFT_CHANNEL_MASK) {
216 // left solo silences right
217 rightAudibilityFactor = false;
218 } else {
219 // left and right are not soloed, and right is not muted
220 rightAudibilityFactor = true;
221 }
222 }
223 }
224
225 // channel mute and solo are ignored for mono and unknown channel count sources
226 } else {
227 leftAudibilityFactor = true;
228 rightAudibilityFactor = true;
229 }
230
231 // compute volumes without setting
232 const bool audibilityFactors[2] = {leftAudibilityFactor, rightAudibilityFactor};
233 float volumes[2];
234 android_player_volumeUpdate(volumes, &ap->mVolume, channelCount, ap->mAmplFromDirectLevel,
235 audibilityFactors);
236 float leftVol = volumes[0], rightVol = volumes[1];
237
238 // set volume on the underlying media player or audio track
239 if (ap->mAPlayer != 0) {
240 ap->mAPlayer->setVolume(leftVol, rightVol);
241 } else if (ap->mAudioTrack != 0) {
242 ap->mAudioTrack->setVolume(leftVol, rightVol);
243 }
244
245 // changes in the AudioPlayer volume must be reflected in the send level:
246 // in SLEffectSendItf or in SLAndroidEffectSendItf?
247 // FIXME replace interface test by an internal API once we have one.
248 if (NULL != ap->mEffectSend.mItf) {
249 for (unsigned int i=0 ; i<AUX_MAX ; i++) {
250 if (ap->mEffectSend.mEnableLevels[i].mEnable) {
251 android_fxSend_setSendLevel(ap,
252 ap->mEffectSend.mEnableLevels[i].mSendLevel + ap->mVolume.mLevel);
253 // there's a single aux bus on Android, so we can stop looking once the first
254 // aux effect is found.
255 break;
256 }
257 }
258 } else if (NULL != ap->mAndroidEffectSend.mItf) {
259 android_fxSend_setSendLevel(ap, ap->mAndroidEffectSend.mSendLevel + ap->mVolume.mLevel);
260 }
261 }
262
263 // Called by android_audioPlayer_volumeUpdate and android_mediaPlayer_volumeUpdate to compute
264 // volumes, but setting volumes is handled by the caller.
265
android_player_volumeUpdate(float * pVolumes,const IVolume * volumeItf,unsigned channelCount,float amplFromDirectLevel,const bool * audibilityFactors)266 void android_player_volumeUpdate(float *pVolumes /*[2]*/, const IVolume *volumeItf, unsigned
267 channelCount, float amplFromDirectLevel, const bool *audibilityFactors /*[2]*/)
268 {
269 assert(pVolumes != NULL);
270 assert(volumeItf != NULL);
271 // OK for audibilityFactors to be NULL
272
273 bool leftAudibilityFactor, rightAudibilityFactor;
274
275 // apply player mute factor
276 // note that AudioTrack has mute() but not MediaPlayer, so it's easier to use volume
277 // to mute for both rather than calling mute() for AudioTrack
278
279 // player is muted
280 if (volumeItf->mMute) {
281 leftAudibilityFactor = false;
282 rightAudibilityFactor = false;
283 // player isn't muted, and channel mute/solo audibility factors are available (AudioPlayer)
284 } else if (audibilityFactors != NULL) {
285 leftAudibilityFactor = audibilityFactors[0];
286 rightAudibilityFactor = audibilityFactors[1];
287 // player isn't muted, and channel mute/solo audibility factors aren't available (MediaPlayer)
288 } else {
289 leftAudibilityFactor = true;
290 rightAudibilityFactor = true;
291 }
292
293 // compute amplification as the combination of volume level and stereo position
294 // amplification (or attenuation) from volume level
295 float amplFromVolLevel = sles_to_android_amplification(volumeItf->mLevel);
296 // amplification from direct level (changed in SLEffectSendtItf and SLAndroidEffectSendItf)
297 float leftVol = amplFromVolLevel * amplFromDirectLevel;
298 float rightVol = leftVol;
299
300 // amplification from stereo position
301 if (volumeItf->mEnableStereoPosition) {
302 // Left/right amplification (can be attenuations) factors derived for the StereoPosition
303 float amplFromStereoPos[STEREO_CHANNELS];
304 // panning law depends on content channel count: mono to stereo panning vs stereo balance
305 if (1 == channelCount) {
306 // mono to stereo panning
307 double theta = (1000+volumeItf->mStereoPosition)*M_PI_4/1000.0f; // 0 <= theta <= Pi/2
308 amplFromStereoPos[0] = cos(theta);
309 amplFromStereoPos[1] = sin(theta);
310 // channel count is 0 (unknown), 2 (stereo), or > 2 (multi-channel)
311 } else {
312 // stereo balance
313 if (volumeItf->mStereoPosition > 0) {
314 amplFromStereoPos[0] = (1000-volumeItf->mStereoPosition)/1000.0f;
315 amplFromStereoPos[1] = 1.0f;
316 } else {
317 amplFromStereoPos[0] = 1.0f;
318 amplFromStereoPos[1] = (1000+volumeItf->mStereoPosition)/1000.0f;
319 }
320 }
321 leftVol *= amplFromStereoPos[0];
322 rightVol *= amplFromStereoPos[1];
323 }
324
325 // apply audibility factors
326 if (!leftAudibilityFactor) {
327 leftVol = 0.0;
328 }
329 if (!rightAudibilityFactor) {
330 rightVol = 0.0;
331 }
332
333 // return the computed volumes
334 pVolumes[0] = leftVol;
335 pVolumes[1] = rightVol;
336 }
337
338 //-----------------------------------------------------------------------------
audioTrack_handleMarker_lockPlay(CAudioPlayer * ap)339 void audioTrack_handleMarker_lockPlay(CAudioPlayer* ap) {
340 //SL_LOGV("received event EVENT_MARKER from AudioTrack");
341 slPlayCallback callback = NULL;
342 void* callbackPContext = NULL;
343
344 interface_lock_shared(&ap->mPlay);
345 callback = ap->mPlay.mCallback;
346 callbackPContext = ap->mPlay.mContext;
347 interface_unlock_shared(&ap->mPlay);
348
349 if (NULL != callback) {
350 // getting this event implies SL_PLAYEVENT_HEADATMARKER was set in the event mask
351 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATMARKER);
352 }
353 }
354
355 //-----------------------------------------------------------------------------
audioTrack_handleNewPos_lockPlay(CAudioPlayer * ap)356 void audioTrack_handleNewPos_lockPlay(CAudioPlayer* ap) {
357 //SL_LOGV("received event EVENT_NEW_POS from AudioTrack");
358 slPlayCallback callback = NULL;
359 void* callbackPContext = NULL;
360
361 interface_lock_shared(&ap->mPlay);
362 callback = ap->mPlay.mCallback;
363 callbackPContext = ap->mPlay.mContext;
364 interface_unlock_shared(&ap->mPlay);
365
366 if (NULL != callback) {
367 // getting this event implies SL_PLAYEVENT_HEADATNEWPOS was set in the event mask
368 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATNEWPOS);
369 }
370 }
371
372
373 //-----------------------------------------------------------------------------
audioTrack_handleUnderrun_lockPlay(CAudioPlayer * ap)374 void audioTrack_handleUnderrun_lockPlay(CAudioPlayer* ap) {
375 slPlayCallback callback = NULL;
376 void* callbackPContext = NULL;
377
378 interface_lock_shared(&ap->mPlay);
379 callback = ap->mPlay.mCallback;
380 callbackPContext = ap->mPlay.mContext;
381 bool headStalled = (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADSTALLED) != 0;
382 interface_unlock_shared(&ap->mPlay);
383
384 if ((NULL != callback) && headStalled) {
385 (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADSTALLED);
386 }
387 }
388
389
390 //-----------------------------------------------------------------------------
391 /**
392 * post-condition: play state of AudioPlayer is SL_PLAYSTATE_PAUSED if setPlayStateToPaused is true
393 *
394 * note: a conditional flag, setPlayStateToPaused, is used here to specify whether the play state
395 * needs to be changed when the player reaches the end of the content to play. This is
396 * relative to what the specification describes for buffer queues vs the
397 * SL_PLAYEVENT_HEADATEND event. In the OpenSL ES specification 1.0.1:
398 * - section 8.12 SLBufferQueueItf states "In the case of starvation due to insufficient
399 * buffers in the queue, the playing of audio data stops. The player remains in the
400 * SL_PLAYSTATE_PLAYING state."
401 * - section 9.2.31 SL_PLAYEVENT states "SL_PLAYEVENT_HEADATEND Playback head is at the end
402 * of the current content and the player has paused."
403 */
audioPlayer_dispatch_headAtEnd_lockPlay(CAudioPlayer * ap,bool setPlayStateToPaused,bool needToLock)404 void audioPlayer_dispatch_headAtEnd_lockPlay(CAudioPlayer *ap, bool setPlayStateToPaused,
405 bool needToLock) {
406 //SL_LOGV("ap=%p, setPlayStateToPaused=%d, needToLock=%d", ap, setPlayStateToPaused,
407 // needToLock);
408 slPlayCallback playCallback = NULL;
409 void * playContext = NULL;
410 // SLPlayItf callback or no callback?
411 if (needToLock) {
412 interface_lock_exclusive(&ap->mPlay);
413 }
414 if (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADATEND) {
415 playCallback = ap->mPlay.mCallback;
416 playContext = ap->mPlay.mContext;
417 }
418 if (setPlayStateToPaused) {
419 ap->mPlay.mState = SL_PLAYSTATE_PAUSED;
420 }
421 if (needToLock) {
422 interface_unlock_exclusive(&ap->mPlay);
423 }
424 // enqueue callback with no lock held
425 if (NULL != playCallback) {
426 #ifndef USE_ASYNCHRONOUS_PLAY_CALLBACK
427 (*playCallback)(&ap->mPlay.mItf, playContext, SL_PLAYEVENT_HEADATEND);
428 #else
429 SLresult result = EnqueueAsyncCallback_ppi(ap, playCallback, &ap->mPlay.mItf, playContext,
430 SL_PLAYEVENT_HEADATEND);
431 if (SL_RESULT_SUCCESS != result) {
432 ALOGW("Callback %p(%p, %p, SL_PLAYEVENT_HEADATEND) dropped", playCallback,
433 &ap->mPlay.mItf, playContext);
434 }
435 #endif
436 }
437
438 }
439
440
441 //-----------------------------------------------------------------------------
audioPlayer_setStreamType(CAudioPlayer * ap,SLint32 type)442 SLresult audioPlayer_setStreamType(CAudioPlayer* ap, SLint32 type) {
443 SLresult result = SL_RESULT_SUCCESS;
444 SL_LOGV("type %d", type);
445
446 audio_stream_type_t newStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE;
447 switch (type) {
448 case SL_ANDROID_STREAM_VOICE:
449 newStreamType = AUDIO_STREAM_VOICE_CALL;
450 break;
451 case SL_ANDROID_STREAM_SYSTEM:
452 newStreamType = AUDIO_STREAM_SYSTEM;
453 break;
454 case SL_ANDROID_STREAM_RING:
455 newStreamType = AUDIO_STREAM_RING;
456 break;
457 case SL_ANDROID_STREAM_MEDIA:
458 newStreamType = AUDIO_STREAM_MUSIC;
459 break;
460 case SL_ANDROID_STREAM_ALARM:
461 newStreamType = AUDIO_STREAM_ALARM;
462 break;
463 case SL_ANDROID_STREAM_NOTIFICATION:
464 newStreamType = AUDIO_STREAM_NOTIFICATION;
465 break;
466 default:
467 SL_LOGE(ERROR_PLAYERSTREAMTYPE_SET_UNKNOWN_TYPE);
468 result = SL_RESULT_PARAMETER_INVALID;
469 break;
470 }
471
472 // stream type needs to be set before the object is realized
473 // (ap->mAudioTrack is supposed to be NULL until then)
474 if (SL_OBJECT_STATE_UNREALIZED != ap->mObject.mState) {
475 SL_LOGE(ERROR_PLAYERSTREAMTYPE_REALIZED);
476 result = SL_RESULT_PRECONDITIONS_VIOLATED;
477 } else {
478 ap->mStreamType = newStreamType;
479 }
480
481 return result;
482 }
483
484
485 //-----------------------------------------------------------------------------
audioPlayer_getStreamType(CAudioPlayer * ap,SLint32 * pType)486 SLresult audioPlayer_getStreamType(CAudioPlayer* ap, SLint32 *pType) {
487 SLresult result = SL_RESULT_SUCCESS;
488
489 switch (ap->mStreamType) {
490 case AUDIO_STREAM_VOICE_CALL:
491 *pType = SL_ANDROID_STREAM_VOICE;
492 break;
493 case AUDIO_STREAM_SYSTEM:
494 *pType = SL_ANDROID_STREAM_SYSTEM;
495 break;
496 case AUDIO_STREAM_RING:
497 *pType = SL_ANDROID_STREAM_RING;
498 break;
499 case AUDIO_STREAM_DEFAULT:
500 case AUDIO_STREAM_MUSIC:
501 *pType = SL_ANDROID_STREAM_MEDIA;
502 break;
503 case AUDIO_STREAM_ALARM:
504 *pType = SL_ANDROID_STREAM_ALARM;
505 break;
506 case AUDIO_STREAM_NOTIFICATION:
507 *pType = SL_ANDROID_STREAM_NOTIFICATION;
508 break;
509 default:
510 result = SL_RESULT_INTERNAL_ERROR;
511 *pType = SL_ANDROID_STREAM_MEDIA;
512 break;
513 }
514
515 return result;
516 }
517
518
519 //-----------------------------------------------------------------------------
audioPlayer_auxEffectUpdate(CAudioPlayer * ap)520 void audioPlayer_auxEffectUpdate(CAudioPlayer* ap) {
521 if ((ap->mAudioTrack != 0) && (ap->mAuxEffect != 0)) {
522 android_fxSend_attach(ap, true, ap->mAuxEffect, ap->mVolume.mLevel + ap->mAuxSendLevel);
523 }
524 }
525
526
527 //-----------------------------------------------------------------------------
528 /*
529 * returns true if the given data sink is supported by AudioPlayer that doesn't
530 * play to an OutputMix object, false otherwise
531 *
532 * pre-condition: the locator of the audio sink is not SL_DATALOCATOR_OUTPUTMIX
533 */
audioPlayer_isSupportedNonOutputMixSink(const SLDataSink * pAudioSink)534 bool audioPlayer_isSupportedNonOutputMixSink(const SLDataSink* pAudioSink) {
535 bool result = true;
536 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSink->pLocator;
537 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSink->pFormat;
538
539 switch (sinkLocatorType) {
540
541 case SL_DATALOCATOR_BUFFERQUEUE:
542 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
543 if (SL_DATAFORMAT_PCM != sinkFormatType) {
544 SL_LOGE("Unsupported sink format 0x%x, expected SL_DATAFORMAT_PCM",
545 (unsigned)sinkFormatType);
546 result = false;
547 }
548 // it's no use checking the PCM format fields because additional characteristics
549 // such as the number of channels, or sample size are unknown to the player at this stage
550 break;
551
552 default:
553 SL_LOGE("Unsupported sink locator type 0x%x", (unsigned)sinkLocatorType);
554 result = false;
555 break;
556 }
557
558 return result;
559 }
560
561
562 //-----------------------------------------------------------------------------
563 /*
564 * returns the Android object type if the locator type combinations for the source and sinks
565 * are supported by this implementation, INVALID_TYPE otherwise
566 */
567 static
audioPlayer_getAndroidObjectTypeForSourceSink(const CAudioPlayer * ap)568 AndroidObjectType audioPlayer_getAndroidObjectTypeForSourceSink(const CAudioPlayer *ap) {
569
570 const SLDataSource *pAudioSrc = &ap->mDataSource.u.mSource;
571 const SLDataSink *pAudioSnk = &ap->mDataSink.u.mSink;
572 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator;
573 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator;
574 AndroidObjectType type = INVALID_TYPE;
575
576 //--------------------------------------
577 // Sink / source matching check:
578 // the following source / sink combinations are supported
579 // SL_DATALOCATOR_BUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX
580 // SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX
581 // SL_DATALOCATOR_URI / SL_DATALOCATOR_OUTPUTMIX
582 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_OUTPUTMIX
583 // SL_DATALOCATOR_ANDROIDBUFFERQUEUE / SL_DATALOCATOR_OUTPUTMIX
584 // SL_DATALOCATOR_ANDROIDBUFFERQUEUE / SL_DATALOCATOR_BUFFERQUEUE
585 // SL_DATALOCATOR_URI / SL_DATALOCATOR_BUFFERQUEUE
586 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_BUFFERQUEUE
587 // SL_DATALOCATOR_URI / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
588 // SL_DATALOCATOR_ANDROIDFD / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
589 switch (sinkLocatorType) {
590
591 case SL_DATALOCATOR_OUTPUTMIX: {
592 switch (sourceLocatorType) {
593
594 // Buffer Queue to AudioTrack
595 case SL_DATALOCATOR_BUFFERQUEUE:
596 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
597 type = AUDIOPLAYER_FROM_PCM_BUFFERQUEUE;
598 break;
599
600 // URI or FD to MediaPlayer
601 case SL_DATALOCATOR_URI:
602 case SL_DATALOCATOR_ANDROIDFD:
603 type = AUDIOPLAYER_FROM_URIFD;
604 break;
605
606 // Android BufferQueue to MediaPlayer (shared memory streaming)
607 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE:
608 type = AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE;
609 break;
610
611 default:
612 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_OUTPUTMIX sink",
613 (unsigned)sourceLocatorType);
614 break;
615 }
616 }
617 break;
618
619 case SL_DATALOCATOR_BUFFERQUEUE:
620 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
621 switch (sourceLocatorType) {
622
623 // URI or FD decoded to PCM in a buffer queue
624 case SL_DATALOCATOR_URI:
625 case SL_DATALOCATOR_ANDROIDFD:
626 type = AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE;
627 break;
628
629 // AAC ADTS Android buffer queue decoded to PCM in a buffer queue
630 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE:
631 type = AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE;
632 break;
633
634 default:
635 SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_BUFFERQUEUE sink",
636 (unsigned)sourceLocatorType);
637 break;
638 }
639 break;
640
641 default:
642 SL_LOGE("Sink data locator 0x%x not supported", (unsigned)sinkLocatorType);
643 break;
644 }
645
646 return type;
647 }
648
649
650 //-----------------------------------------------------------------------------
651 /*
652 * Callback associated with an SfPlayer of an SL ES AudioPlayer that gets its data
653 * from a URI or FD, for prepare, prefetch, and play events
654 */
sfplayer_handlePrefetchEvent(int event,int data1,int data2,void * user)655 static void sfplayer_handlePrefetchEvent(int event, int data1, int data2, void* user) {
656
657 // FIXME see similar code and comment in player_handleMediaPlayerEventNotifications
658
659 if (NULL == user) {
660 return;
661 }
662
663 CAudioPlayer *ap = (CAudioPlayer *)user;
664 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) {
665 // it is not safe to enter the callback (the track is about to go away)
666 return;
667 }
668 union {
669 char c[sizeof(int)];
670 int i;
671 } u;
672 u.i = event;
673 SL_LOGV("sfplayer_handlePrefetchEvent(event='%c%c%c%c' (%d), data1=%d, data2=%d, user=%p) from "
674 "SfAudioPlayer", u.c[3], u.c[2], u.c[1], u.c[0], event, data1, data2, user);
675 switch (event) {
676
677 case android::GenericPlayer::kEventPrepared: {
678 SL_LOGV("Received GenericPlayer::kEventPrepared for CAudioPlayer %p", ap);
679
680 // assume no callback
681 slPrefetchCallback callback = NULL;
682 void* callbackPContext;
683 SLuint32 events;
684
685 object_lock_exclusive(&ap->mObject);
686
687 // mark object as prepared; same state is used for successful or unsuccessful prepare
688 assert(ap->mAndroidObjState == ANDROID_PREPARING);
689 ap->mAndroidObjState = ANDROID_READY;
690
691 if (PLAYER_SUCCESS == data1) {
692 // Most of successful prepare completion for ap->mAPlayer
693 // is handled by GenericPlayer and its subclasses.
694 } else {
695 // SfPlayer prepare() failed prefetching, there is no event in SLPrefetchStatus to
696 // indicate a prefetch error, so we signal it by sending simultaneously two events:
697 // - SL_PREFETCHEVENT_FILLLEVELCHANGE with a level of 0
698 // - SL_PREFETCHEVENT_STATUSCHANGE with a status of SL_PREFETCHSTATUS_UNDERFLOW
699 SL_LOGE(ERROR_PLAYER_PREFETCH_d, data1);
700 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) {
701 ap->mPrefetchStatus.mLevel = 0;
702 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW;
703 if (!(~ap->mPrefetchStatus.mCallbackEventsMask &
704 (SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE))) {
705 callback = ap->mPrefetchStatus.mCallback;
706 callbackPContext = ap->mPrefetchStatus.mContext;
707 events = SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE;
708 }
709 }
710 }
711
712 object_unlock_exclusive(&ap->mObject);
713
714 // callback with no lock held
715 if (NULL != callback) {
716 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, events);
717 }
718
719 }
720 break;
721
722 case android::GenericPlayer::kEventPrefetchFillLevelUpdate : {
723 if (!IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) {
724 break;
725 }
726 slPrefetchCallback callback = NULL;
727 void* callbackPContext = NULL;
728
729 // SLPrefetchStatusItf callback or no callback?
730 interface_lock_exclusive(&ap->mPrefetchStatus);
731 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE) {
732 callback = ap->mPrefetchStatus.mCallback;
733 callbackPContext = ap->mPrefetchStatus.mContext;
734 }
735 ap->mPrefetchStatus.mLevel = (SLpermille)data1;
736 interface_unlock_exclusive(&ap->mPrefetchStatus);
737
738 // callback with no lock held
739 if (NULL != callback) {
740 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext,
741 SL_PREFETCHEVENT_FILLLEVELCHANGE);
742 }
743 }
744 break;
745
746 case android::GenericPlayer::kEventPrefetchStatusChange: {
747 if (!IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) {
748 break;
749 }
750 slPrefetchCallback callback = NULL;
751 void* callbackPContext = NULL;
752
753 // SLPrefetchStatusItf callback or no callback?
754 object_lock_exclusive(&ap->mObject);
755 if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) {
756 callback = ap->mPrefetchStatus.mCallback;
757 callbackPContext = ap->mPrefetchStatus.mContext;
758 }
759 if (data1 >= android::kStatusIntermediate) {
760 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA;
761 } else if (data1 < android::kStatusIntermediate) {
762 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW;
763 }
764 object_unlock_exclusive(&ap->mObject);
765
766 // callback with no lock held
767 if (NULL != callback) {
768 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, SL_PREFETCHEVENT_STATUSCHANGE);
769 }
770 }
771 break;
772
773 case android::GenericPlayer::kEventEndOfStream: {
774 audioPlayer_dispatch_headAtEnd_lockPlay(ap, true /*set state to paused?*/, true);
775 if ((ap->mAudioTrack != 0) && (!ap->mSeek.mLoopEnabled)) {
776 ap->mAudioTrack->stop();
777 }
778 }
779 break;
780
781 case android::GenericPlayer::kEventChannelCount: {
782 object_lock_exclusive(&ap->mObject);
783 if (UNKNOWN_NUMCHANNELS == ap->mNumChannels && UNKNOWN_NUMCHANNELS != data1) {
784 ap->mNumChannels = data1;
785 android_audioPlayer_volumeUpdate(ap);
786 }
787 object_unlock_exclusive(&ap->mObject);
788 }
789 break;
790
791 case android::GenericPlayer::kEventPlay: {
792 slPlayCallback callback = NULL;
793 void* callbackPContext = NULL;
794
795 interface_lock_shared(&ap->mPlay);
796 callback = ap->mPlay.mCallback;
797 callbackPContext = ap->mPlay.mContext;
798 interface_unlock_shared(&ap->mPlay);
799
800 if (NULL != callback) {
801 SLuint32 event = (SLuint32) data1; // SL_PLAYEVENT_HEAD*
802 #ifndef USE_ASYNCHRONOUS_PLAY_CALLBACK
803 // synchronous callback requires a synchronous GetPosition implementation
804 (*callback)(&ap->mPlay.mItf, callbackPContext, event);
805 #else
806 // asynchronous callback works with any GetPosition implementation
807 SLresult result = EnqueueAsyncCallback_ppi(ap, callback, &ap->mPlay.mItf,
808 callbackPContext, event);
809 if (SL_RESULT_SUCCESS != result) {
810 ALOGW("Callback %p(%p, %p, 0x%x) dropped", callback,
811 &ap->mPlay.mItf, callbackPContext, event);
812 }
813 #endif
814 }
815 }
816 break;
817
818 case android::GenericPlayer::kEventErrorAfterPrepare: {
819 SL_LOGV("kEventErrorAfterPrepare");
820
821 // assume no callback
822 slPrefetchCallback callback = NULL;
823 void* callbackPContext = NULL;
824
825 object_lock_exclusive(&ap->mObject);
826 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) {
827 ap->mPrefetchStatus.mLevel = 0;
828 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW;
829 if (!(~ap->mPrefetchStatus.mCallbackEventsMask &
830 (SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE))) {
831 callback = ap->mPrefetchStatus.mCallback;
832 callbackPContext = ap->mPrefetchStatus.mContext;
833 }
834 }
835 object_unlock_exclusive(&ap->mObject);
836
837 // FIXME there's interesting information in data1, but no API to convey it to client
838 SL_LOGE("Error after prepare: %d", data1);
839
840 // callback with no lock held
841 if (NULL != callback) {
842 (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext,
843 SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE);
844 }
845
846 }
847 break;
848
849 case android::GenericPlayer::kEventHasVideoSize:
850 //SL_LOGW("Unexpected kEventHasVideoSize");
851 break;
852
853 default:
854 break;
855 }
856
857 ap->mCallbackProtector->exitCb();
858 }
859
860 // From EffectDownmix.h
861 static
862 const uint32_t kSides = AUDIO_CHANNEL_OUT_SIDE_LEFT | AUDIO_CHANNEL_OUT_SIDE_RIGHT;
863 static
864 const uint32_t kBacks = AUDIO_CHANNEL_OUT_BACK_LEFT | AUDIO_CHANNEL_OUT_BACK_RIGHT;
865 static
866 const uint32_t kUnsupported =
867 AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER | AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER |
868 AUDIO_CHANNEL_OUT_TOP_CENTER |
869 AUDIO_CHANNEL_OUT_TOP_FRONT_LEFT |
870 AUDIO_CHANNEL_OUT_TOP_FRONT_CENTER |
871 AUDIO_CHANNEL_OUT_TOP_FRONT_RIGHT |
872 AUDIO_CHANNEL_OUT_TOP_BACK_LEFT |
873 AUDIO_CHANNEL_OUT_TOP_BACK_CENTER |
874 AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT;
875
876 //TODO(pmclean) This will need to be revisited when arbitrary N-channel support is added.
877 static
android_audioPlayer_validateChannelMask(uint32_t mask,uint32_t numChans)878 SLresult android_audioPlayer_validateChannelMask(uint32_t mask, uint32_t numChans) {
879 // Check that the number of channels falls within bounds.
880 if (numChans == 0 || numChans > FCC_8) {
881 return SL_RESULT_CONTENT_UNSUPPORTED;
882 }
883 // Are there the right number of channels in the mask?
884 if (audio_channel_count_from_out_mask(mask) != numChans) {
885 return SL_RESULT_CONTENT_UNSUPPORTED;
886 }
887 // check against unsupported channels
888 if (mask & kUnsupported) {
889 ALOGE("Unsupported channels (top or front left/right of center)");
890 return SL_RESULT_CONTENT_UNSUPPORTED;
891 }
892 // verify has FL/FR if more than one channel
893 if (numChans > 1 && (mask & AUDIO_CHANNEL_OUT_STEREO) != AUDIO_CHANNEL_OUT_STEREO) {
894 ALOGE("Front channels must be present");
895 return SL_RESULT_CONTENT_UNSUPPORTED;
896 }
897 // verify uses SIDE as a pair (ok if not using SIDE at all)
898 bool hasSides = false;
899 if ((mask & kSides) != 0) {
900 if ((mask & kSides) != kSides) {
901 ALOGE("Side channels must be used as a pair");
902 return SL_RESULT_CONTENT_UNSUPPORTED;
903 }
904 hasSides = true;
905 }
906 // verify uses BACK as a pair (ok if not using BACK at all)
907 bool hasBacks = false;
908 if ((mask & kBacks) != 0) {
909 if ((mask & kBacks) != kBacks) {
910 ALOGE("Back channels must be used as a pair");
911 return SL_RESULT_CONTENT_UNSUPPORTED;
912 }
913 hasBacks = true;
914 }
915
916 return SL_RESULT_SUCCESS;
917 }
918
919 //-----------------------------------------------------------------------------
android_audioPlayer_checkSourceSink(CAudioPlayer * pAudioPlayer)920 SLresult android_audioPlayer_checkSourceSink(CAudioPlayer *pAudioPlayer)
921 {
922 // verify that the locator types for the source / sink combination is supported
923 pAudioPlayer->mAndroidObjType = audioPlayer_getAndroidObjectTypeForSourceSink(pAudioPlayer);
924 if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) {
925 return SL_RESULT_PARAMETER_INVALID;
926 }
927
928 const SLDataSource *pAudioSrc = &pAudioPlayer->mDataSource.u.mSource;
929 const SLDataSink *pAudioSnk = &pAudioPlayer->mDataSink.u.mSink;
930
931 // format check:
932 const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator;
933 const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator;
934 const SLuint32 sourceFormatType = *(SLuint32 *)pAudioSrc->pFormat;
935 const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSnk->pFormat;
936
937 const SLuint32 *df_representation = NULL; // pointer to representation field, if it exists
938
939 switch (sourceLocatorType) {
940 //------------------
941 // Buffer Queues
942 case SL_DATALOCATOR_BUFFERQUEUE:
943 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
944 {
945 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *) pAudioSrc->pLocator;
946
947 // Buffer format
948 switch (sourceFormatType) {
949 // currently only PCM buffer queues are supported,
950 case SL_ANDROID_DATAFORMAT_PCM_EX: {
951 const SLAndroidDataFormat_PCM_EX *df_pcm =
952 (const SLAndroidDataFormat_PCM_EX *) pAudioSrc->pFormat;
953 // checkDataFormat() already checked representation
954 df_representation = &df_pcm->representation;
955 } // SL_ANDROID_DATAFORMAT_PCM_EX - fall through to next test.
956 case SL_DATAFORMAT_PCM: {
957 // checkDataFormat() already did generic checks, now do the Android-specific checks
958 const SLDataFormat_PCM *df_pcm = (const SLDataFormat_PCM *) pAudioSrc->pFormat;
959 SLresult result = android_audioPlayer_validateChannelMask(df_pcm->channelMask,
960 df_pcm->numChannels);
961 if (result != SL_RESULT_SUCCESS) {
962 SL_LOGE("Cannot create audio player: unsupported PCM data source with %u channels",
963 (unsigned) df_pcm->numChannels);
964 return result;
965 }
966
967 // checkDataFormat() already checked sample rate
968
969 // checkDataFormat() already checked bits per sample, container size, and representation
970
971 // FIXME confirm the following
972 // df_pcm->channelMask: the earlier platform-independent check and the
973 // upcoming check by sles_to_android_channelMaskOut are sufficient
974
975 if (df_pcm->endianness != pAudioPlayer->mObject.mEngine->mEngine.mNativeEndianness) {
976 SL_LOGE("Cannot create audio player: unsupported byte order %u",
977 df_pcm->endianness);
978 return SL_RESULT_CONTENT_UNSUPPORTED;
979 }
980
981 // we don't support container size != sample depth
982 if (df_pcm->containerSize != df_pcm->bitsPerSample) {
983 SL_LOGE("Cannot create audio player: unsupported container size %u bits for "
984 "sample depth %u bits",
985 df_pcm->containerSize, (SLuint32)df_pcm->bitsPerSample);
986 return SL_RESULT_CONTENT_UNSUPPORTED;
987 }
988
989 } //case SL_DATAFORMAT_PCM
990 break;
991 case SL_DATAFORMAT_MIME:
992 case XA_DATAFORMAT_RAWIMAGE:
993 SL_LOGE("Cannot create audio player with buffer queue data source "
994 "without SL_DATAFORMAT_PCM format");
995 return SL_RESULT_CONTENT_UNSUPPORTED;
996 default:
997 // invalid data format is detected earlier
998 assert(false);
999 return SL_RESULT_INTERNAL_ERROR;
1000 } // switch (sourceFormatType)
1001 } // case SL_DATALOCATOR_BUFFERQUEUE or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
1002 break;
1003 //------------------
1004 // URI
1005 case SL_DATALOCATOR_URI:
1006 {
1007 SLDataLocator_URI *dl_uri = (SLDataLocator_URI *) pAudioSrc->pLocator;
1008 if (NULL == dl_uri->URI) {
1009 return SL_RESULT_PARAMETER_INVALID;
1010 }
1011 // URI format
1012 switch (sourceFormatType) {
1013 case SL_DATAFORMAT_MIME:
1014 break;
1015 default:
1016 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_URI data source without "
1017 "SL_DATAFORMAT_MIME format");
1018 return SL_RESULT_CONTENT_UNSUPPORTED;
1019 } // switch (sourceFormatType)
1020 // decoding format check
1021 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) &&
1022 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) {
1023 return SL_RESULT_CONTENT_UNSUPPORTED;
1024 }
1025 } // case SL_DATALOCATOR_URI
1026 break;
1027 //------------------
1028 // File Descriptor
1029 case SL_DATALOCATOR_ANDROIDFD:
1030 {
1031 // fd is already non null
1032 switch (sourceFormatType) {
1033 case SL_DATAFORMAT_MIME:
1034 break;
1035 default:
1036 SL_LOGE("Cannot create audio player with SL_DATALOCATOR_ANDROIDFD data source "
1037 "without SL_DATAFORMAT_MIME format");
1038 return SL_RESULT_CONTENT_UNSUPPORTED;
1039 } // switch (sourceFormatType)
1040 if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) &&
1041 !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) {
1042 return SL_RESULT_CONTENT_UNSUPPORTED;
1043 }
1044 } // case SL_DATALOCATOR_ANDROIDFD
1045 break;
1046 //------------------
1047 // Stream
1048 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE:
1049 {
1050 switch (sourceFormatType) {
1051 case SL_DATAFORMAT_MIME:
1052 {
1053 SLDataFormat_MIME *df_mime = (SLDataFormat_MIME *) pAudioSrc->pFormat;
1054 if (NULL == df_mime) {
1055 SL_LOGE("MIME type null invalid");
1056 return SL_RESULT_CONTENT_UNSUPPORTED;
1057 }
1058 SL_LOGD("source MIME is %s", (char*)df_mime->mimeType);
1059 switch (df_mime->containerType) {
1060 case SL_CONTAINERTYPE_MPEG_TS:
1061 if (strcasecmp((char*)df_mime->mimeType, (const char *)XA_ANDROID_MIME_MP2TS)) {
1062 SL_LOGE("Invalid MIME (%s) for container SL_CONTAINERTYPE_MPEG_TS, expects %s",
1063 (char*)df_mime->mimeType, XA_ANDROID_MIME_MP2TS);
1064 return SL_RESULT_CONTENT_UNSUPPORTED;
1065 }
1066 if (pAudioPlayer->mAndroidObjType != AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE) {
1067 SL_LOGE("Invalid sink for container SL_CONTAINERTYPE_MPEG_TS");
1068 return SL_RESULT_PARAMETER_INVALID;
1069 }
1070 break;
1071 case SL_CONTAINERTYPE_RAW:
1072 case SL_CONTAINERTYPE_AAC:
1073 if (strcasecmp((char*)df_mime->mimeType, (const char *)SL_ANDROID_MIME_AACADTS) &&
1074 strcasecmp((char*)df_mime->mimeType,
1075 ANDROID_MIME_AACADTS_ANDROID_FRAMEWORK)) {
1076 SL_LOGE("Invalid MIME (%s) for container type %d, expects %s",
1077 (char*)df_mime->mimeType, df_mime->containerType,
1078 SL_ANDROID_MIME_AACADTS);
1079 return SL_RESULT_CONTENT_UNSUPPORTED;
1080 }
1081 if (pAudioPlayer->mAndroidObjType != AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE) {
1082 SL_LOGE("Invalid sink for container SL_CONTAINERTYPE_AAC");
1083 return SL_RESULT_PARAMETER_INVALID;
1084 }
1085 break;
1086 default:
1087 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source "
1088 "that is not fed MPEG-2 TS data or AAC ADTS data");
1089 return SL_RESULT_CONTENT_UNSUPPORTED;
1090 }
1091 }
1092 break;
1093 default:
1094 SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source "
1095 "without SL_DATAFORMAT_MIME format");
1096 return SL_RESULT_CONTENT_UNSUPPORTED;
1097 }
1098 }
1099 break; // case SL_DATALOCATOR_ANDROIDBUFFERQUEUE
1100 //------------------
1101 // Address
1102 case SL_DATALOCATOR_ADDRESS:
1103 case SL_DATALOCATOR_IODEVICE:
1104 case SL_DATALOCATOR_OUTPUTMIX:
1105 case XA_DATALOCATOR_NATIVEDISPLAY:
1106 case SL_DATALOCATOR_MIDIBUFFERQUEUE:
1107 SL_LOGE("Cannot create audio player with data locator type 0x%x",
1108 (unsigned) sourceLocatorType);
1109 return SL_RESULT_CONTENT_UNSUPPORTED;
1110 default:
1111 SL_LOGE("Cannot create audio player with invalid data locator type 0x%x",
1112 (unsigned) sourceLocatorType);
1113 return SL_RESULT_PARAMETER_INVALID;
1114 }// switch (locatorType)
1115
1116 return SL_RESULT_SUCCESS;
1117 }
1118
1119
1120 //-----------------------------------------------------------------------------
1121 // Callback associated with an AudioTrack of an SL ES AudioPlayer that gets its data
1122 // from a buffer queue. This will not be called once the AudioTrack has been destroyed.
audioTrack_callBack_pullFromBuffQueue(int event,void * user,void * info)1123 static void audioTrack_callBack_pullFromBuffQueue(int event, void* user, void *info) {
1124 CAudioPlayer *ap = (CAudioPlayer *)user;
1125
1126 if (!android::CallbackProtector::enterCbIfOk(ap->mCallbackProtector)) {
1127 // it is not safe to enter the callback (the track is about to go away)
1128 return;
1129 }
1130
1131 void * callbackPContext = NULL;
1132 switch (event) {
1133
1134 case android::AudioTrack::EVENT_MORE_DATA: {
1135 //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack TID=%d", gettid());
1136 slPrefetchCallback prefetchCallback = NULL;
1137 void *prefetchContext = NULL;
1138 SLuint32 prefetchEvents = SL_PREFETCHEVENT_NONE;
1139 android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info;
1140
1141 // retrieve data from the buffer queue
1142 interface_lock_exclusive(&ap->mBufferQueue);
1143
1144 if (ap->mBufferQueue.mCallbackPending) {
1145 // call callback with lock not held
1146 slBufferQueueCallback callback = ap->mBufferQueue.mCallback;
1147 if (NULL != callback) {
1148 callbackPContext = ap->mBufferQueue.mContext;
1149 interface_unlock_exclusive(&ap->mBufferQueue);
1150 (*callback)(&ap->mBufferQueue.mItf, callbackPContext);
1151 interface_lock_exclusive(&ap->mBufferQueue);
1152 ap->mBufferQueue.mCallbackPending = false;
1153 }
1154 }
1155
1156 if (ap->mBufferQueue.mState.count != 0) {
1157 //SL_LOGV("nbBuffers in queue = %u",ap->mBufferQueue.mState.count);
1158 assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear);
1159
1160 BufferHeader *oldFront = ap->mBufferQueue.mFront;
1161 BufferHeader *newFront = &oldFront[1];
1162
1163 size_t availSource = oldFront->mSize - ap->mBufferQueue.mSizeConsumed;
1164 size_t availSink = pBuff->size;
1165 size_t bytesToCopy = availSource < availSink ? availSource : availSink;
1166 void *pSrc = (char *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed;
1167 memcpy(pBuff->raw, pSrc, bytesToCopy);
1168
1169 if (bytesToCopy < availSource) {
1170 ap->mBufferQueue.mSizeConsumed += bytesToCopy;
1171 // pBuff->size is already equal to bytesToCopy in this case
1172 } else {
1173 // consumed an entire buffer, dequeue
1174 pBuff->size = bytesToCopy;
1175 ap->mBufferQueue.mSizeConsumed = 0;
1176 if (newFront ==
1177 &ap->mBufferQueue.mArray
1178 [ap->mBufferQueue.mNumBuffers + 1])
1179 {
1180 newFront = ap->mBufferQueue.mArray;
1181 }
1182 ap->mBufferQueue.mFront = newFront;
1183
1184 ap->mBufferQueue.mState.count--;
1185 ap->mBufferQueue.mState.playIndex++;
1186 ap->mBufferQueue.mCallbackPending = true;
1187 }
1188 } else { // empty queue
1189 // signal no data available
1190 pBuff->size = 0;
1191
1192 // signal we're at the end of the content, but don't pause (see note in function)
1193 audioPlayer_dispatch_headAtEnd_lockPlay(ap, false /*set state to paused?*/, false);
1194
1195 // signal underflow to prefetch status itf
1196 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) {
1197 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW;
1198 ap->mPrefetchStatus.mLevel = 0;
1199 // callback or no callback?
1200 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask &
1201 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE);
1202 if (SL_PREFETCHEVENT_NONE != prefetchEvents) {
1203 prefetchCallback = ap->mPrefetchStatus.mCallback;
1204 prefetchContext = ap->mPrefetchStatus.mContext;
1205 }
1206 }
1207
1208 // stop the track so it restarts playing faster when new data is enqueued
1209 ap->mAudioTrack->stop();
1210 }
1211 interface_unlock_exclusive(&ap->mBufferQueue);
1212
1213 // notify client
1214 if (NULL != prefetchCallback) {
1215 assert(SL_PREFETCHEVENT_NONE != prefetchEvents);
1216 // spec requires separate callbacks for each event
1217 if (prefetchEvents & SL_PREFETCHEVENT_STATUSCHANGE) {
1218 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext,
1219 SL_PREFETCHEVENT_STATUSCHANGE);
1220 }
1221 if (prefetchEvents & SL_PREFETCHEVENT_FILLLEVELCHANGE) {
1222 (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext,
1223 SL_PREFETCHEVENT_FILLLEVELCHANGE);
1224 }
1225 }
1226 }
1227 break;
1228
1229 case android::AudioTrack::EVENT_MARKER:
1230 //SL_LOGI("received event EVENT_MARKER from AudioTrack");
1231 audioTrack_handleMarker_lockPlay(ap);
1232 break;
1233
1234 case android::AudioTrack::EVENT_NEW_POS:
1235 //SL_LOGI("received event EVENT_NEW_POS from AudioTrack");
1236 audioTrack_handleNewPos_lockPlay(ap);
1237 break;
1238
1239 case android::AudioTrack::EVENT_UNDERRUN:
1240 //SL_LOGI("received event EVENT_UNDERRUN from AudioTrack");
1241 audioTrack_handleUnderrun_lockPlay(ap);
1242 break;
1243
1244 case android::AudioTrack::EVENT_NEW_IAUDIOTRACK:
1245 // ignore for now
1246 break;
1247
1248 case android::AudioTrack::EVENT_BUFFER_END:
1249 case android::AudioTrack::EVENT_LOOP_END:
1250 case android::AudioTrack::EVENT_STREAM_END:
1251 // These are unexpected so fall through
1252 default:
1253 // FIXME where does the notification of SL_PLAYEVENT_HEADMOVING fit?
1254 SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event,
1255 (CAudioPlayer *)user);
1256 break;
1257 }
1258
1259 ap->mCallbackProtector->exitCb();
1260 }
1261
1262
1263 //-----------------------------------------------------------------------------
android_audioPlayer_create(CAudioPlayer * pAudioPlayer)1264 void android_audioPlayer_create(CAudioPlayer *pAudioPlayer) {
1265
1266 // pAudioPlayer->mAndroidObjType has been set in android_audioPlayer_checkSourceSink()
1267 // and if it was == INVALID_TYPE, then IEngine_CreateAudioPlayer would never call us
1268 assert(INVALID_TYPE != pAudioPlayer->mAndroidObjType);
1269
1270 // These initializations are in the same order as the field declarations in classes.h
1271
1272 // FIXME Consolidate initializations (many of these already in IEngine_CreateAudioPlayer)
1273 // mAndroidObjType: see above comment
1274 pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED;
1275 pAudioPlayer->mSessionId = android::AudioSystem::newAudioUniqueId();
1276
1277 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player
1278 // android::AudioSystem::acquireAudioSessionId(pAudioPlayer->mSessionId);
1279
1280 pAudioPlayer->mStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE;
1281
1282 // mAudioTrack
1283 pAudioPlayer->mCallbackProtector = new android::CallbackProtector();
1284 // mAPLayer
1285 // mAuxEffect
1286
1287 pAudioPlayer->mAuxSendLevel = 0;
1288 pAudioPlayer->mAmplFromDirectLevel = 1.0f; // matches initial mDirectLevel value
1289 pAudioPlayer->mDeferredStart = false;
1290
1291 // This section re-initializes interface-specific fields that
1292 // can be set or used regardless of whether the interface is
1293 // exposed on the AudioPlayer or not
1294
1295 switch (pAudioPlayer->mAndroidObjType) {
1296 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
1297 pAudioPlayer->mPlaybackRate.mMinRate = AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE;
1298 pAudioPlayer->mPlaybackRate.mMaxRate = AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE;
1299 break;
1300 case AUDIOPLAYER_FROM_URIFD:
1301 pAudioPlayer->mPlaybackRate.mMinRate = MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE;
1302 pAudioPlayer->mPlaybackRate.mMaxRate = MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE;
1303 break;
1304 default:
1305 // use the default range
1306 break;
1307 }
1308
1309 }
1310
1311
1312 //-----------------------------------------------------------------------------
android_audioPlayer_setConfig(CAudioPlayer * ap,const SLchar * configKey,const void * pConfigValue,SLuint32 valueSize)1313 SLresult android_audioPlayer_setConfig(CAudioPlayer *ap, const SLchar *configKey,
1314 const void *pConfigValue, SLuint32 valueSize) {
1315
1316 SLresult result;
1317
1318 assert(NULL != ap && NULL != configKey && NULL != pConfigValue);
1319 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) {
1320
1321 // stream type
1322 if (KEY_STREAM_TYPE_PARAMSIZE > valueSize) {
1323 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW);
1324 result = SL_RESULT_BUFFER_INSUFFICIENT;
1325 } else {
1326 result = audioPlayer_setStreamType(ap, *(SLuint32*)pConfigValue);
1327 }
1328
1329 } else {
1330 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY);
1331 result = SL_RESULT_PARAMETER_INVALID;
1332 }
1333
1334 return result;
1335 }
1336
1337
1338 //-----------------------------------------------------------------------------
android_audioPlayer_getConfig(CAudioPlayer * ap,const SLchar * configKey,SLuint32 * pValueSize,void * pConfigValue)1339 SLresult android_audioPlayer_getConfig(CAudioPlayer* ap, const SLchar *configKey,
1340 SLuint32* pValueSize, void *pConfigValue) {
1341
1342 SLresult result;
1343
1344 assert(NULL != ap && NULL != configKey && NULL != pValueSize);
1345 if (strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) {
1346
1347 // stream type
1348 if (NULL == pConfigValue) {
1349 result = SL_RESULT_SUCCESS;
1350 } else if (KEY_STREAM_TYPE_PARAMSIZE > *pValueSize) {
1351 SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW);
1352 result = SL_RESULT_BUFFER_INSUFFICIENT;
1353 } else {
1354 result = audioPlayer_getStreamType(ap, (SLint32*)pConfigValue);
1355 }
1356 *pValueSize = KEY_STREAM_TYPE_PARAMSIZE;
1357
1358 } else {
1359 SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY);
1360 result = SL_RESULT_PARAMETER_INVALID;
1361 }
1362
1363 return result;
1364 }
1365
1366
1367 // Called from android_audioPlayer_realize for a PCM buffer queue player
1368 // to determine if it can use a fast track.
canUseFastTrack(CAudioPlayer * pAudioPlayer)1369 static bool canUseFastTrack(CAudioPlayer *pAudioPlayer)
1370 {
1371 assert(pAudioPlayer->mAndroidObjType == AUDIOPLAYER_FROM_PCM_BUFFERQUEUE);
1372
1373 // no need to check the buffer queue size, application side
1374 // double-buffering (and more) is not a requirement for using fast tracks
1375
1376 // Check a blacklist of interfaces that are incompatible with fast tracks.
1377 // The alternative, to check a whitelist of compatible interfaces, is
1378 // more maintainable but is too slow. As a compromise, in a debug build
1379 // we use both methods and warn if they produce different results.
1380 // In release builds, we only use the blacklist method.
1381 // If a blacklisted interface is added after realization using
1382 // DynamicInterfaceManagement::AddInterface,
1383 // then this won't be detected but the interface will be ineffective.
1384 bool blacklistResult = true;
1385 static const unsigned blacklist[] = {
1386 MPH_BASSBOOST,
1387 MPH_EFFECTSEND,
1388 MPH_ENVIRONMENTALREVERB,
1389 MPH_EQUALIZER,
1390 MPH_PLAYBACKRATE,
1391 MPH_PRESETREVERB,
1392 MPH_VIRTUALIZER,
1393 MPH_ANDROIDEFFECT,
1394 MPH_ANDROIDEFFECTSEND,
1395 // FIXME The problem with a blacklist is remembering to add new interfaces here
1396 };
1397 for (unsigned i = 0; i < sizeof(blacklist)/sizeof(blacklist[0]); ++i) {
1398 if (IsInterfaceInitialized(&pAudioPlayer->mObject, blacklist[i])) {
1399 blacklistResult = false;
1400 break;
1401 }
1402 }
1403 #if LOG_NDEBUG == 0
1404 bool whitelistResult = true;
1405 static const unsigned whitelist[] = {
1406 MPH_BUFFERQUEUE,
1407 MPH_DYNAMICINTERFACEMANAGEMENT,
1408 MPH_METADATAEXTRACTION,
1409 MPH_MUTESOLO,
1410 MPH_OBJECT,
1411 MPH_PLAY,
1412 MPH_PREFETCHSTATUS,
1413 MPH_VOLUME,
1414 MPH_ANDROIDCONFIGURATION,
1415 MPH_ANDROIDSIMPLEBUFFERQUEUE,
1416 MPH_ANDROIDBUFFERQUEUESOURCE,
1417 };
1418 for (unsigned mph = MPH_MIN; mph < MPH_MAX; ++mph) {
1419 for (unsigned i = 0; i < sizeof(whitelist)/sizeof(whitelist[0]); ++i) {
1420 if (mph == whitelist[i]) {
1421 goto compatible;
1422 }
1423 }
1424 if (IsInterfaceInitialized(&pAudioPlayer->mObject, mph)) {
1425 whitelistResult = false;
1426 break;
1427 }
1428 compatible: ;
1429 }
1430 if (whitelistResult != blacklistResult) {
1431 ALOGW("whitelistResult != blacklistResult");
1432 // and use blacklistResult below
1433 }
1434 #endif
1435 return blacklistResult;
1436 }
1437
1438
1439 //-----------------------------------------------------------------------------
1440 // FIXME abstract out the diff between CMediaPlayer and CAudioPlayer
android_audioPlayer_realize(CAudioPlayer * pAudioPlayer,SLboolean async)1441 SLresult android_audioPlayer_realize(CAudioPlayer *pAudioPlayer, SLboolean async) {
1442
1443 SLresult result = SL_RESULT_SUCCESS;
1444 SL_LOGV("Realize pAudioPlayer=%p", pAudioPlayer);
1445
1446 AudioPlayback_Parameters app;
1447 app.sessionId = pAudioPlayer->mSessionId;
1448 app.streamType = pAudioPlayer->mStreamType;
1449
1450 switch (pAudioPlayer->mAndroidObjType) {
1451
1452 //-----------------------------------
1453 // AudioTrack
1454 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
1455 {
1456 // initialize platform-specific CAudioPlayer fields
1457
1458 SLDataLocator_BufferQueue *dl_bq = (SLDataLocator_BufferQueue *)
1459 pAudioPlayer->mDynamicSource.mDataSource;
1460 SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *)
1461 pAudioPlayer->mDynamicSource.mDataSource->pFormat;
1462
1463 uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec);
1464
1465 audio_output_flags_t policy;
1466 if (canUseFastTrack(pAudioPlayer)) {
1467 policy = AUDIO_OUTPUT_FLAG_FAST;
1468 } else {
1469 policy = AUDIO_OUTPUT_FLAG_NONE;
1470 }
1471
1472 pAudioPlayer->mAudioTrack = new android::AudioTrack(
1473 pAudioPlayer->mStreamType, // streamType
1474 sampleRate, // sampleRate
1475 sles_to_android_sampleFormat(df_pcm), // format
1476 // FIXME ignores df_pcm->channelMask and assumes positional
1477 audio_channel_out_mask_from_count(df_pcm->numChannels),
1478 // channel mask
1479 0, // frameCount
1480 policy, // flags
1481 audioTrack_callBack_pullFromBuffQueue, // callback
1482 (void *) pAudioPlayer, // user
1483 0, // FIXME find appropriate frame count // notificationFrame
1484 pAudioPlayer->mSessionId);
1485 android::status_t status = pAudioPlayer->mAudioTrack->initCheck();
1486 if (status != android::NO_ERROR) {
1487 SL_LOGE("AudioTrack::initCheck status %u", status);
1488 // FIXME should return a more specific result depending on status
1489 result = SL_RESULT_CONTENT_UNSUPPORTED;
1490 pAudioPlayer->mAudioTrack.clear();
1491 return result;
1492 }
1493
1494 // initialize platform-independent CAudioPlayer fields
1495
1496 pAudioPlayer->mNumChannels = df_pcm->numChannels;
1497 pAudioPlayer->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES
1498
1499 // This use case does not have a separate "prepare" step
1500 pAudioPlayer->mAndroidObjState = ANDROID_READY;
1501 }
1502 break;
1503
1504 //-----------------------------------
1505 // MediaPlayer
1506 case AUDIOPLAYER_FROM_URIFD: {
1507 pAudioPlayer->mAPlayer = new android::LocAVPlayer(&app, false /*hasVideo*/);
1508 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent,
1509 (void*)pAudioPlayer /*notifUSer*/);
1510
1511 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) {
1512 case SL_DATALOCATOR_URI: {
1513 // The legacy implementation ran Stagefright within the application process, and
1514 // so allowed local pathnames specified by URI that were openable by
1515 // the application but were not openable by mediaserver.
1516 // The current implementation runs Stagefright (mostly) within mediaserver,
1517 // which runs as a different UID and likely a different current working directory.
1518 // For backwards compatibility with any applications which may have relied on the
1519 // previous behavior, we convert an openable file URI into an FD.
1520 // Note that unlike SL_DATALOCATOR_ANDROIDFD, this FD is owned by us
1521 // and so we close it as soon as we've passed it (via Binder dup) to mediaserver.
1522 const char *uri = (const char *)pAudioPlayer->mDataSource.mLocator.mURI.URI;
1523 if (!isDistantProtocol(uri)) {
1524 // don't touch the original uri, we may need it later
1525 const char *pathname = uri;
1526 // skip over an optional leading file:// prefix
1527 if (!strncasecmp(pathname, "file://", 7)) {
1528 pathname += 7;
1529 }
1530 // attempt to open it as a file using the application's credentials
1531 int fd = ::open(pathname, O_RDONLY);
1532 if (fd >= 0) {
1533 // if open is successful, then check to see if it's a regular file
1534 struct stat statbuf;
1535 if (!::fstat(fd, &statbuf) && S_ISREG(statbuf.st_mode)) {
1536 // treat similarly to an FD data locator, but
1537 // let setDataSource take responsibility for closing fd
1538 pAudioPlayer->mAPlayer->setDataSource(fd, 0, statbuf.st_size, true);
1539 break;
1540 }
1541 // we were able to open it, but it's not a file, so let mediaserver try
1542 (void) ::close(fd);
1543 }
1544 }
1545 // if either the URI didn't look like a file, or open failed, or not a file
1546 pAudioPlayer->mAPlayer->setDataSource(uri);
1547 } break;
1548 case SL_DATALOCATOR_ANDROIDFD: {
1549 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset;
1550 pAudioPlayer->mAPlayer->setDataSource(
1551 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd,
1552 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ?
1553 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset,
1554 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length);
1555 }
1556 break;
1557 default:
1558 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR);
1559 break;
1560 }
1561
1562 }
1563 break;
1564
1565 //-----------------------------------
1566 // StreamPlayer
1567 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: {
1568 android::StreamPlayer* splr = new android::StreamPlayer(&app, false /*hasVideo*/,
1569 &pAudioPlayer->mAndroidBufferQueue, pAudioPlayer->mCallbackProtector);
1570 pAudioPlayer->mAPlayer = splr;
1571 splr->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer);
1572 }
1573 break;
1574
1575 //-----------------------------------
1576 // AudioToCbRenderer
1577 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: {
1578 android::AudioToCbRenderer* decoder = new android::AudioToCbRenderer(&app);
1579 pAudioPlayer->mAPlayer = decoder;
1580 // configures the callback for the sink buffer queue
1581 decoder->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer);
1582 // configures the callback for the notifications coming from the SF code
1583 decoder->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer);
1584
1585 switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) {
1586 case SL_DATALOCATOR_URI:
1587 decoder->setDataSource(
1588 (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI);
1589 break;
1590 case SL_DATALOCATOR_ANDROIDFD: {
1591 int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset;
1592 decoder->setDataSource(
1593 (int)pAudioPlayer->mDataSource.mLocator.mFD.fd,
1594 offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ?
1595 (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset,
1596 (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length);
1597 }
1598 break;
1599 default:
1600 SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR);
1601 break;
1602 }
1603
1604 }
1605 break;
1606
1607 //-----------------------------------
1608 // AacBqToPcmCbRenderer
1609 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: {
1610 android::AacBqToPcmCbRenderer* bqtobq = new android::AacBqToPcmCbRenderer(&app,
1611 &pAudioPlayer->mAndroidBufferQueue);
1612 // configures the callback for the sink buffer queue
1613 bqtobq->setDataPushListener(adecoder_writeToBufferQueue, pAudioPlayer);
1614 pAudioPlayer->mAPlayer = bqtobq;
1615 // configures the callback for the notifications coming from the SF code,
1616 // but also implicitly configures the AndroidBufferQueue from which ADTS data is read
1617 pAudioPlayer->mAPlayer->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer);
1618 }
1619 break;
1620
1621 //-----------------------------------
1622 default:
1623 SL_LOGE(ERROR_PLAYERREALIZE_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType);
1624 result = SL_RESULT_INTERNAL_ERROR;
1625 break;
1626 }
1627
1628 // proceed with effect initialization
1629 // initialize EQ
1630 // FIXME use a table of effect descriptors when adding support for more effects
1631 if (memcmp(SL_IID_EQUALIZER, &pAudioPlayer->mEqualizer.mEqDescriptor.type,
1632 sizeof(effect_uuid_t)) == 0) {
1633 SL_LOGV("Need to initialize EQ for AudioPlayer=%p", pAudioPlayer);
1634 android_eq_init(pAudioPlayer->mSessionId, &pAudioPlayer->mEqualizer);
1635 }
1636 // initialize BassBoost
1637 if (memcmp(SL_IID_BASSBOOST, &pAudioPlayer->mBassBoost.mBassBoostDescriptor.type,
1638 sizeof(effect_uuid_t)) == 0) {
1639 SL_LOGV("Need to initialize BassBoost for AudioPlayer=%p", pAudioPlayer);
1640 android_bb_init(pAudioPlayer->mSessionId, &pAudioPlayer->mBassBoost);
1641 }
1642 // initialize Virtualizer
1643 if (memcmp(SL_IID_VIRTUALIZER, &pAudioPlayer->mVirtualizer.mVirtualizerDescriptor.type,
1644 sizeof(effect_uuid_t)) == 0) {
1645 SL_LOGV("Need to initialize Virtualizer for AudioPlayer=%p", pAudioPlayer);
1646 android_virt_init(pAudioPlayer->mSessionId, &pAudioPlayer->mVirtualizer);
1647 }
1648
1649 // initialize EffectSend
1650 // FIXME initialize EffectSend
1651
1652 return result;
1653 }
1654
1655
1656 //-----------------------------------------------------------------------------
1657 /**
1658 * Called with a lock on AudioPlayer, and blocks until safe to destroy
1659 */
android_audioPlayer_preDestroy(CAudioPlayer * pAudioPlayer)1660 SLresult android_audioPlayer_preDestroy(CAudioPlayer *pAudioPlayer) {
1661 SL_LOGD("android_audioPlayer_preDestroy(%p)", pAudioPlayer);
1662 SLresult result = SL_RESULT_SUCCESS;
1663
1664 bool disableCallbacksBeforePreDestroy;
1665 switch (pAudioPlayer->mAndroidObjType) {
1666 // Not yet clear why this order is important, but it reduces detected deadlocks
1667 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1668 disableCallbacksBeforePreDestroy = true;
1669 break;
1670 // Use the old behavior for all other use cases until proven
1671 // case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1672 default:
1673 disableCallbacksBeforePreDestroy = false;
1674 break;
1675 }
1676
1677 if (disableCallbacksBeforePreDestroy) {
1678 object_unlock_exclusive(&pAudioPlayer->mObject);
1679 if (pAudioPlayer->mCallbackProtector != 0) {
1680 pAudioPlayer->mCallbackProtector->requestCbExitAndWait();
1681 }
1682 object_lock_exclusive(&pAudioPlayer->mObject);
1683 }
1684
1685 if (pAudioPlayer->mAPlayer != 0) {
1686 pAudioPlayer->mAPlayer->preDestroy();
1687 }
1688 SL_LOGD("android_audioPlayer_preDestroy(%p) after mAPlayer->preDestroy()", pAudioPlayer);
1689
1690 if (!disableCallbacksBeforePreDestroy) {
1691 object_unlock_exclusive(&pAudioPlayer->mObject);
1692 if (pAudioPlayer->mCallbackProtector != 0) {
1693 pAudioPlayer->mCallbackProtector->requestCbExitAndWait();
1694 }
1695 object_lock_exclusive(&pAudioPlayer->mObject);
1696 }
1697
1698 return result;
1699 }
1700
1701
1702 //-----------------------------------------------------------------------------
android_audioPlayer_destroy(CAudioPlayer * pAudioPlayer)1703 SLresult android_audioPlayer_destroy(CAudioPlayer *pAudioPlayer) {
1704 SLresult result = SL_RESULT_SUCCESS;
1705 SL_LOGV("android_audioPlayer_destroy(%p)", pAudioPlayer);
1706 switch (pAudioPlayer->mAndroidObjType) {
1707
1708 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
1709 // We own the audio track for PCM buffer queue players
1710 if (pAudioPlayer->mAudioTrack != 0) {
1711 pAudioPlayer->mAudioTrack->stop();
1712 // Note that there may still be another reference in post-unlock phase of SetPlayState
1713 pAudioPlayer->mAudioTrack.clear();
1714 }
1715 break;
1716
1717 case AUDIOPLAYER_FROM_URIFD: // intended fall-through
1718 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through
1719 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through
1720 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1721 pAudioPlayer->mAPlayer.clear();
1722 break;
1723 //-----------------------------------
1724 default:
1725 SL_LOGE(ERROR_PLAYERDESTROY_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType);
1726 result = SL_RESULT_INTERNAL_ERROR;
1727 break;
1728 }
1729
1730 // placeholder: not necessary yet as session ID lifetime doesn't extend beyond player
1731 // android::AudioSystem::releaseAudioSessionId(pAudioPlayer->mSessionId);
1732
1733 pAudioPlayer->mCallbackProtector.clear();
1734
1735 // explicit destructor
1736 pAudioPlayer->mAudioTrack.~sp();
1737 // note that SetPlayState(PLAYING) may still hold a reference
1738 pAudioPlayer->mCallbackProtector.~sp();
1739 pAudioPlayer->mAuxEffect.~sp();
1740 pAudioPlayer->mAPlayer.~sp();
1741
1742 return result;
1743 }
1744
1745
1746 //-----------------------------------------------------------------------------
android_audioPlayer_setPlaybackRateAndConstraints(CAudioPlayer * ap,SLpermille rate,SLuint32 constraints)1747 SLresult android_audioPlayer_setPlaybackRateAndConstraints(CAudioPlayer *ap, SLpermille rate,
1748 SLuint32 constraints) {
1749 SLresult result = SL_RESULT_SUCCESS;
1750 switch (ap->mAndroidObjType) {
1751 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: {
1752 // these asserts were already checked by the platform-independent layer
1753 assert((AUDIOTRACK_MIN_PLAYBACKRATE_PERMILLE <= rate) &&
1754 (rate <= AUDIOTRACK_MAX_PLAYBACKRATE_PERMILLE));
1755 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO);
1756 // get the content sample rate
1757 uint32_t contentRate = sles_to_android_sampleRate(ap->mSampleRateMilliHz);
1758 // apply the SL ES playback rate on the AudioTrack as a factor of its content sample rate
1759 if (ap->mAudioTrack != 0) {
1760 ap->mAudioTrack->setSampleRate(contentRate * (rate/1000.0f));
1761 }
1762 }
1763 break;
1764 case AUDIOPLAYER_FROM_URIFD: {
1765 assert((MEDIAPLAYER_MIN_PLAYBACKRATE_PERMILLE <= rate) &&
1766 (rate <= MEDIAPLAYER_MAX_PLAYBACKRATE_PERMILLE));
1767 assert(constraints & SL_RATEPROP_NOPITCHCORAUDIO);
1768 // apply the SL ES playback rate on the GenericPlayer
1769 if (ap->mAPlayer != 0) {
1770 ap->mAPlayer->setPlaybackRate((int16_t)rate);
1771 }
1772 }
1773 break;
1774
1775 default:
1776 SL_LOGE("Unexpected object type %d", ap->mAndroidObjType);
1777 result = SL_RESULT_FEATURE_UNSUPPORTED;
1778 break;
1779 }
1780 return result;
1781 }
1782
1783
1784 //-----------------------------------------------------------------------------
1785 // precondition
1786 // called with no lock held
1787 // ap != NULL
1788 // pItemCount != NULL
android_audioPlayer_metadata_getItemCount(CAudioPlayer * ap,SLuint32 * pItemCount)1789 SLresult android_audioPlayer_metadata_getItemCount(CAudioPlayer *ap, SLuint32 *pItemCount) {
1790 if (ap->mAPlayer == 0) {
1791 return SL_RESULT_PARAMETER_INVALID;
1792 }
1793 switch (ap->mAndroidObjType) {
1794 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1795 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1796 {
1797 android::AudioSfDecoder* decoder =
1798 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1799 *pItemCount = decoder->getPcmFormatKeyCount();
1800 }
1801 break;
1802 default:
1803 *pItemCount = 0;
1804 break;
1805 }
1806 return SL_RESULT_SUCCESS;
1807 }
1808
1809
1810 //-----------------------------------------------------------------------------
1811 // precondition
1812 // called with no lock held
1813 // ap != NULL
1814 // pKeySize != NULL
android_audioPlayer_metadata_getKeySize(CAudioPlayer * ap,SLuint32 index,SLuint32 * pKeySize)1815 SLresult android_audioPlayer_metadata_getKeySize(CAudioPlayer *ap,
1816 SLuint32 index, SLuint32 *pKeySize) {
1817 if (ap->mAPlayer == 0) {
1818 return SL_RESULT_PARAMETER_INVALID;
1819 }
1820 SLresult res = SL_RESULT_SUCCESS;
1821 switch (ap->mAndroidObjType) {
1822 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1823 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1824 {
1825 android::AudioSfDecoder* decoder =
1826 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1827 SLuint32 keyNameSize = 0;
1828 if (!decoder->getPcmFormatKeySize(index, &keyNameSize)) {
1829 res = SL_RESULT_PARAMETER_INVALID;
1830 } else {
1831 // *pKeySize is the size of the region used to store the key name AND
1832 // the information about the key (size, lang, encoding)
1833 *pKeySize = keyNameSize + sizeof(SLMetadataInfo);
1834 }
1835 }
1836 break;
1837 default:
1838 *pKeySize = 0;
1839 res = SL_RESULT_PARAMETER_INVALID;
1840 break;
1841 }
1842 return res;
1843 }
1844
1845
1846 //-----------------------------------------------------------------------------
1847 // precondition
1848 // called with no lock held
1849 // ap != NULL
1850 // pKey != NULL
android_audioPlayer_metadata_getKey(CAudioPlayer * ap,SLuint32 index,SLuint32 size,SLMetadataInfo * pKey)1851 SLresult android_audioPlayer_metadata_getKey(CAudioPlayer *ap,
1852 SLuint32 index, SLuint32 size, SLMetadataInfo *pKey) {
1853 if (ap->mAPlayer == 0) {
1854 return SL_RESULT_PARAMETER_INVALID;
1855 }
1856 SLresult res = SL_RESULT_SUCCESS;
1857 switch (ap->mAndroidObjType) {
1858 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1859 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1860 {
1861 android::AudioSfDecoder* decoder =
1862 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1863 if ((size < sizeof(SLMetadataInfo) ||
1864 (!decoder->getPcmFormatKeyName(index, size - sizeof(SLMetadataInfo),
1865 (char*)pKey->data)))) {
1866 res = SL_RESULT_PARAMETER_INVALID;
1867 } else {
1868 // successfully retrieved the key value, update the other fields
1869 pKey->encoding = SL_CHARACTERENCODING_UTF8;
1870 memcpy((char *) pKey->langCountry, "en", 3);
1871 pKey->size = strlen((char*)pKey->data) + 1;
1872 }
1873 }
1874 break;
1875 default:
1876 res = SL_RESULT_PARAMETER_INVALID;
1877 break;
1878 }
1879 return res;
1880 }
1881
1882
1883 //-----------------------------------------------------------------------------
1884 // precondition
1885 // called with no lock held
1886 // ap != NULL
1887 // pValueSize != NULL
android_audioPlayer_metadata_getValueSize(CAudioPlayer * ap,SLuint32 index,SLuint32 * pValueSize)1888 SLresult android_audioPlayer_metadata_getValueSize(CAudioPlayer *ap,
1889 SLuint32 index, SLuint32 *pValueSize) {
1890 if (ap->mAPlayer == 0) {
1891 return SL_RESULT_PARAMETER_INVALID;
1892 }
1893 SLresult res = SL_RESULT_SUCCESS;
1894 switch (ap->mAndroidObjType) {
1895 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1896 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1897 {
1898 android::AudioSfDecoder* decoder =
1899 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1900 SLuint32 valueSize = 0;
1901 if (!decoder->getPcmFormatValueSize(index, &valueSize)) {
1902 res = SL_RESULT_PARAMETER_INVALID;
1903 } else {
1904 // *pValueSize is the size of the region used to store the key value AND
1905 // the information about the value (size, lang, encoding)
1906 *pValueSize = valueSize + sizeof(SLMetadataInfo);
1907 }
1908 }
1909 break;
1910 default:
1911 *pValueSize = 0;
1912 res = SL_RESULT_PARAMETER_INVALID;
1913 break;
1914 }
1915 return res;
1916 }
1917
1918
1919 //-----------------------------------------------------------------------------
1920 // precondition
1921 // called with no lock held
1922 // ap != NULL
1923 // pValue != NULL
android_audioPlayer_metadata_getValue(CAudioPlayer * ap,SLuint32 index,SLuint32 size,SLMetadataInfo * pValue)1924 SLresult android_audioPlayer_metadata_getValue(CAudioPlayer *ap,
1925 SLuint32 index, SLuint32 size, SLMetadataInfo *pValue) {
1926 if (ap->mAPlayer == 0) {
1927 return SL_RESULT_PARAMETER_INVALID;
1928 }
1929 SLresult res = SL_RESULT_SUCCESS;
1930 switch (ap->mAndroidObjType) {
1931 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
1932 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1933 {
1934 android::AudioSfDecoder* decoder =
1935 static_cast<android::AudioSfDecoder*>(ap->mAPlayer.get());
1936 pValue->encoding = SL_CHARACTERENCODING_BINARY;
1937 memcpy((char *) pValue->langCountry, "en", 3); // applicable here?
1938 SLuint32 valueSize = 0;
1939 if ((size < sizeof(SLMetadataInfo)
1940 || (!decoder->getPcmFormatValueSize(index, &valueSize))
1941 || (!decoder->getPcmFormatKeyValue(index, size - sizeof(SLMetadataInfo),
1942 (SLuint32*)pValue->data)))) {
1943 res = SL_RESULT_PARAMETER_INVALID;
1944 } else {
1945 pValue->size = valueSize;
1946 }
1947 }
1948 break;
1949 default:
1950 res = SL_RESULT_PARAMETER_INVALID;
1951 break;
1952 }
1953 return res;
1954 }
1955
1956 //-----------------------------------------------------------------------------
1957 // preconditions
1958 // ap != NULL
1959 // mutex is locked
1960 // play state has changed
android_audioPlayer_setPlayState(CAudioPlayer * ap)1961 void android_audioPlayer_setPlayState(CAudioPlayer *ap) {
1962
1963 SLuint32 playState = ap->mPlay.mState;
1964 AndroidObjectState objState = ap->mAndroidObjState;
1965
1966 switch (ap->mAndroidObjType) {
1967 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
1968 switch (playState) {
1969 case SL_PLAYSTATE_STOPPED:
1970 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED");
1971 if (ap->mAudioTrack != 0) {
1972 ap->mAudioTrack->stop();
1973 }
1974 break;
1975 case SL_PLAYSTATE_PAUSED:
1976 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED");
1977 if (ap->mAudioTrack != 0) {
1978 ap->mAudioTrack->pause();
1979 }
1980 break;
1981 case SL_PLAYSTATE_PLAYING:
1982 SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING");
1983 if (ap->mAudioTrack != 0) {
1984 // instead of ap->mAudioTrack->start();
1985 ap->mDeferredStart = true;
1986 }
1987 break;
1988 default:
1989 // checked by caller, should not happen
1990 break;
1991 }
1992 break;
1993
1994 case AUDIOPLAYER_FROM_URIFD: // intended fall-through
1995 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through
1996 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: // intended fall-through
1997 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
1998 // FIXME report and use the return code to the lock mechanism, which is where play state
1999 // changes are updated (see object_unlock_exclusive_attributes())
2000 aplayer_setPlayState(ap->mAPlayer, playState, &ap->mAndroidObjState);
2001 break;
2002 default:
2003 SL_LOGE(ERROR_PLAYERSETPLAYSTATE_UNEXPECTED_OBJECT_TYPE_D, ap->mAndroidObjType);
2004 break;
2005 }
2006 }
2007
2008
2009 //-----------------------------------------------------------------------------
2010 // call when either player event flags, marker position, or position update period changes
android_audioPlayer_usePlayEventMask(CAudioPlayer * ap)2011 void android_audioPlayer_usePlayEventMask(CAudioPlayer *ap) {
2012 IPlay *pPlayItf = &ap->mPlay;
2013 SLuint32 eventFlags = pPlayItf->mEventFlags;
2014 /*switch (ap->mAndroidObjType) {
2015 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:*/
2016
2017 if (ap->mAPlayer != 0) {
2018 assert(ap->mAudioTrack == 0);
2019 ap->mAPlayer->setPlayEvents((int32_t) eventFlags, (int32_t) pPlayItf->mMarkerPosition,
2020 (int32_t) pPlayItf->mPositionUpdatePeriod);
2021 return;
2022 }
2023
2024 if (ap->mAudioTrack == 0) {
2025 return;
2026 }
2027
2028 if (eventFlags & SL_PLAYEVENT_HEADATMARKER) {
2029 ap->mAudioTrack->setMarkerPosition((uint32_t)((((int64_t)pPlayItf->mMarkerPosition
2030 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000));
2031 } else {
2032 // clear marker
2033 ap->mAudioTrack->setMarkerPosition(0);
2034 }
2035
2036 if (eventFlags & SL_PLAYEVENT_HEADATNEWPOS) {
2037 ap->mAudioTrack->setPositionUpdatePeriod(
2038 (uint32_t)((((int64_t)pPlayItf->mPositionUpdatePeriod
2039 * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000));
2040 } else {
2041 // clear periodic update
2042 ap->mAudioTrack->setPositionUpdatePeriod(0);
2043 }
2044
2045 if (eventFlags & SL_PLAYEVENT_HEADATEND) {
2046 // nothing to do for SL_PLAYEVENT_HEADATEND, callback event will be checked against mask
2047 }
2048
2049 if (eventFlags & SL_PLAYEVENT_HEADMOVING) {
2050 // FIXME support SL_PLAYEVENT_HEADMOVING
2051 SL_LOGD("[ FIXME: IPlay_SetCallbackEventsMask(SL_PLAYEVENT_HEADMOVING) on an "
2052 "SL_OBJECTID_AUDIOPLAYER to be implemented ]");
2053 }
2054 if (eventFlags & SL_PLAYEVENT_HEADSTALLED) {
2055 // nothing to do for SL_PLAYEVENT_HEADSTALLED, callback event will be checked against mask
2056 }
2057
2058 }
2059
2060
2061 //-----------------------------------------------------------------------------
android_audioPlayer_getDuration(IPlay * pPlayItf,SLmillisecond * pDurMsec)2062 SLresult android_audioPlayer_getDuration(IPlay *pPlayItf, SLmillisecond *pDurMsec) {
2063 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis;
2064 switch (ap->mAndroidObjType) {
2065
2066 case AUDIOPLAYER_FROM_URIFD: // intended fall-through
2067 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE: {
2068 int32_t durationMsec = ANDROID_UNKNOWN_TIME;
2069 if (ap->mAPlayer != 0) {
2070 ap->mAPlayer->getDurationMsec(&durationMsec);
2071 }
2072 *pDurMsec = durationMsec == ANDROID_UNKNOWN_TIME ? SL_TIME_UNKNOWN : durationMsec;
2073 break;
2074 }
2075
2076 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through
2077 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
2078 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
2079 default: {
2080 *pDurMsec = SL_TIME_UNKNOWN;
2081 }
2082 }
2083 return SL_RESULT_SUCCESS;
2084 }
2085
2086
2087 //-----------------------------------------------------------------------------
android_audioPlayer_getPosition(IPlay * pPlayItf,SLmillisecond * pPosMsec)2088 void android_audioPlayer_getPosition(IPlay *pPlayItf, SLmillisecond *pPosMsec) {
2089 CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis;
2090 switch (ap->mAndroidObjType) {
2091
2092 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
2093 if ((ap->mSampleRateMilliHz == UNKNOWN_SAMPLERATE) || (ap->mAudioTrack == 0)) {
2094 *pPosMsec = 0;
2095 } else {
2096 uint32_t positionInFrames;
2097 ap->mAudioTrack->getPosition(&positionInFrames);
2098 *pPosMsec = ((int64_t)positionInFrames * 1000) /
2099 sles_to_android_sampleRate(ap->mSampleRateMilliHz);
2100 }
2101 break;
2102
2103 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE: // intended fall-through
2104 case AUDIOPLAYER_FROM_URIFD:
2105 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
2106 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE: {
2107 int32_t posMsec = ANDROID_UNKNOWN_TIME;
2108 if (ap->mAPlayer != 0) {
2109 ap->mAPlayer->getPositionMsec(&posMsec);
2110 }
2111 *pPosMsec = posMsec == ANDROID_UNKNOWN_TIME ? 0 : posMsec;
2112 break;
2113 }
2114
2115 default:
2116 *pPosMsec = 0;
2117 }
2118 }
2119
2120
2121 //-----------------------------------------------------------------------------
android_audioPlayer_seek(CAudioPlayer * ap,SLmillisecond posMsec)2122 SLresult android_audioPlayer_seek(CAudioPlayer *ap, SLmillisecond posMsec) {
2123 SLresult result = SL_RESULT_SUCCESS;
2124
2125 switch (ap->mAndroidObjType) {
2126
2127 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE: // intended fall-through
2128 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE:
2129 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
2130 result = SL_RESULT_FEATURE_UNSUPPORTED;
2131 break;
2132
2133 case AUDIOPLAYER_FROM_URIFD: // intended fall-through
2134 case AUDIOPLAYER_FROM_URIFD_TO_PCM_BUFFERQUEUE:
2135 if (ap->mAPlayer != 0) {
2136 ap->mAPlayer->seek(posMsec);
2137 }
2138 break;
2139
2140 default:
2141 break;
2142 }
2143 return result;
2144 }
2145
2146
2147 //-----------------------------------------------------------------------------
android_audioPlayer_loop(CAudioPlayer * ap,SLboolean loopEnable)2148 SLresult android_audioPlayer_loop(CAudioPlayer *ap, SLboolean loopEnable) {
2149 SLresult result = SL_RESULT_SUCCESS;
2150
2151 switch (ap->mAndroidObjType) {
2152 case AUDIOPLAYER_FROM_URIFD:
2153 // case AUDIOPLAY_FROM_URIFD_TO_PCM_BUFFERQUEUE:
2154 // would actually work, but what's the point?
2155 if (ap->mAPlayer != 0) {
2156 ap->mAPlayer->loop((bool)loopEnable);
2157 }
2158 break;
2159 default:
2160 result = SL_RESULT_FEATURE_UNSUPPORTED;
2161 break;
2162 }
2163 return result;
2164 }
2165
2166
2167 //-----------------------------------------------------------------------------
android_audioPlayer_setBufferingUpdateThresholdPerMille(CAudioPlayer * ap,SLpermille threshold)2168 SLresult android_audioPlayer_setBufferingUpdateThresholdPerMille(CAudioPlayer *ap,
2169 SLpermille threshold) {
2170 SLresult result = SL_RESULT_SUCCESS;
2171
2172 switch (ap->mAndroidObjType) {
2173 case AUDIOPLAYER_FROM_URIFD:
2174 if (ap->mAPlayer != 0) {
2175 ap->mAPlayer->setBufferingUpdateThreshold(threshold / 10);
2176 }
2177 break;
2178
2179 default: {}
2180 }
2181
2182 return result;
2183 }
2184
2185
2186 //-----------------------------------------------------------------------------
android_audioPlayer_bufferQueue_onRefilled_l(CAudioPlayer * ap)2187 void android_audioPlayer_bufferQueue_onRefilled_l(CAudioPlayer *ap) {
2188 // the AudioTrack associated with the AudioPlayer receiving audio from a PCM buffer
2189 // queue was stopped when the queue become empty, we restart as soon as a new buffer
2190 // has been enqueued since we're in playing state
2191 if (ap->mAudioTrack != 0) {
2192 // instead of ap->mAudioTrack->start();
2193 ap->mDeferredStart = true;
2194 }
2195
2196 // when the queue became empty, an underflow on the prefetch status itf was sent. Now the queue
2197 // has received new data, signal it has sufficient data
2198 if (IsInterfaceInitialized(&ap->mObject, MPH_PREFETCHSTATUS)) {
2199 // we wouldn't have been called unless we were previously in the underflow state
2200 assert(SL_PREFETCHSTATUS_UNDERFLOW == ap->mPrefetchStatus.mStatus);
2201 assert(0 == ap->mPrefetchStatus.mLevel);
2202 ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA;
2203 ap->mPrefetchStatus.mLevel = 1000;
2204 // callback or no callback?
2205 SLuint32 prefetchEvents = ap->mPrefetchStatus.mCallbackEventsMask &
2206 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE);
2207 if (SL_PREFETCHEVENT_NONE != prefetchEvents) {
2208 ap->mPrefetchStatus.mDeferredPrefetchCallback = ap->mPrefetchStatus.mCallback;
2209 ap->mPrefetchStatus.mDeferredPrefetchContext = ap->mPrefetchStatus.mContext;
2210 ap->mPrefetchStatus.mDeferredPrefetchEvents = prefetchEvents;
2211 }
2212 }
2213 }
2214
2215
2216 //-----------------------------------------------------------------------------
2217 /*
2218 * BufferQueue::Clear
2219 */
android_audioPlayer_bufferQueue_onClear(CAudioPlayer * ap)2220 SLresult android_audioPlayer_bufferQueue_onClear(CAudioPlayer *ap) {
2221 SLresult result = SL_RESULT_SUCCESS;
2222
2223 switch (ap->mAndroidObjType) {
2224 //-----------------------------------
2225 // AudioTrack
2226 case AUDIOPLAYER_FROM_PCM_BUFFERQUEUE:
2227 if (ap->mAudioTrack != 0) {
2228 ap->mAudioTrack->flush();
2229 }
2230 break;
2231 default:
2232 result = SL_RESULT_INTERNAL_ERROR;
2233 break;
2234 }
2235
2236 return result;
2237 }
2238
2239
2240 //-----------------------------------------------------------------------------
android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer * ap)2241 void android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer *ap) {
2242 switch (ap->mAndroidObjType) {
2243 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE:
2244 if (ap->mAPlayer != 0) {
2245 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get());
2246 splr->appClear_l();
2247 } break;
2248 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
2249 // nothing to do here, fall through
2250 default:
2251 break;
2252 }
2253 }
2254
android_audioPlayer_androidBufferQueue_onRefilled_l(CAudioPlayer * ap)2255 void android_audioPlayer_androidBufferQueue_onRefilled_l(CAudioPlayer *ap) {
2256 switch (ap->mAndroidObjType) {
2257 case AUDIOPLAYER_FROM_TS_ANDROIDBUFFERQUEUE:
2258 if (ap->mAPlayer != 0) {
2259 android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get());
2260 splr->queueRefilled();
2261 } break;
2262 case AUDIOPLAYER_FROM_ADTS_ABQ_TO_PCM_BUFFERQUEUE:
2263 // FIXME this may require waking up the decoder if it is currently starved and isn't polling
2264 default:
2265 break;
2266 }
2267 }
2268