AudioPlayer_to_android.cpp revision d158d31a6bbb06426b71c3d097b7768bc3fb79a3
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/AndroidBufferQueueSource.h"
19#include "utils/RefBase.h"
20#include "android_prompts.h"
21
22template class android::KeyedVector<SLuint32, android::AudioEffect* > ;
23
24#define KEY_STREAM_TYPE_PARAMSIZE  sizeof(SLint32)
25
26//-----------------------------------------------------------------------------
27// FIXME this method will be absorbed into android_audioPlayer_setPlayState() once
28//       bufferqueue and uri/fd playback are moved under the GenericPlayer C++ object
29SLresult aplayer_setPlayState(const android::sp<android::GenericPlayer> &ap, SLuint32 playState,
30        AndroidObject_state* pObjState) {
31    SLresult result = SL_RESULT_SUCCESS;
32    AndroidObject_state objState = *pObjState;
33
34    switch (playState) {
35     case SL_PLAYSTATE_STOPPED:
36         SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_STOPPED");
37         ap->stop();
38         break;
39     case SL_PLAYSTATE_PAUSED:
40         SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PAUSED");
41         switch(objState) {
42         case ANDROID_UNINITIALIZED:
43             *pObjState = ANDROID_PREPARING;
44             ap->prepare();
45             break;
46         case ANDROID_PREPARING:
47             break;
48         case ANDROID_READY:
49             ap->pause();
50             break;
51         default:
52             SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState);
53             result = SL_RESULT_INTERNAL_ERROR;
54             break;
55         }
56         break;
57     case SL_PLAYSTATE_PLAYING: {
58         SL_LOGV("setting GenericPlayer to SL_PLAYSTATE_PLAYING");
59         switch(objState) {
60         case ANDROID_UNINITIALIZED:
61             *pObjState = ANDROID_PREPARING;
62             ap->prepare();
63             // intended fall through
64         case ANDROID_PREPARING:
65             // intended fall through
66         case ANDROID_READY:
67             ap->play();
68             break;
69         default:
70             SL_LOGE(ERROR_PLAYERSETPLAYSTATE_INVALID_OBJECT_STATE_D, playState);
71             result = SL_RESULT_INTERNAL_ERROR;
72             break;
73         }
74         }
75         break;
76     default:
77         // checked by caller, should not happen
78         SL_LOGE(ERROR_SHOULDNT_BE_HERE_S, "aplayer_setPlayState");
79         result = SL_RESULT_INTERNAL_ERROR;
80         break;
81     }
82
83    return result;
84}
85
86
87//-----------------------------------------------------------------------------
88// Callback associated with a AudioToCbRenderer of an SL ES AudioPlayer that gets its data
89// from a URI or FD, to write the decoded audio data to a buffer queue
90static size_t adecoder_writeToBufferQueue(const uint8_t *data, size_t size, void* user) {
91    size_t sizeConsumed = 0;
92    if (NULL == user) {
93        return sizeConsumed;
94    }
95    SL_LOGI("received %d bytes from decoder", size);
96    CAudioPlayer *ap = (CAudioPlayer *)user;
97    slBufferQueueCallback callback = NULL;
98    void * callbackPContext = NULL;
99
100    // push decoded data to the buffer queue
101    object_lock_exclusive(&ap->mObject);
102
103    if (ap->mBufferQueue.mState.count != 0) {
104        assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear);
105
106        BufferHeader *oldFront = ap->mBufferQueue.mFront;
107        BufferHeader *newFront = &oldFront[1];
108
109        uint8_t *pDest = (uint8_t *)oldFront->mBuffer + ap->mBufferQueue.mSizeConsumed;
110        if (ap->mBufferQueue.mSizeConsumed + size < oldFront->mSize) {
111            // room to consume the whole or rest of the decoded data in one shot
112            ap->mBufferQueue.mSizeConsumed += size;
113            // consume data but no callback to the BufferQueue interface here
114            memcpy (pDest, data, size);
115            sizeConsumed = size;
116        } else {
117            // push as much as possible of the decoded data into the buffer queue
118            sizeConsumed = oldFront->mSize - ap->mBufferQueue.mSizeConsumed;
119
120            // the buffer at the head of the buffer queue is full, update the state
121            ap->mBufferQueue.mSizeConsumed = 0;
122            if (newFront ==  &ap->mBufferQueue.mArray[ap->mBufferQueue.mNumBuffers + 1]) {
123                newFront = ap->mBufferQueue.mArray;
124            }
125            ap->mBufferQueue.mFront = newFront;
126
127            ap->mBufferQueue.mState.count--;
128            ap->mBufferQueue.mState.playIndex++;
129            // consume data
130            memcpy (pDest, data, sizeConsumed);
131            // data has been copied to the buffer, and the buffer queue state has been updated
132            // we will notify the client if applicable
133            callback = ap->mBufferQueue.mCallback;
134            // save callback data
135            callbackPContext = ap->mBufferQueue.mContext;
136        }
137
138    } else {
139        // no available buffers in the queue to write the decoded data
140        sizeConsumed = 0;
141    }
142
143    object_unlock_exclusive(&ap->mObject);
144    // notify client
145    if (NULL != callback) {
146        (*callback)(&ap->mBufferQueue.mItf, callbackPContext);
147    }
148
149    return sizeConsumed;
150}
151
152//-----------------------------------------------------------------------------
153int android_getMinFrameCount(uint32_t sampleRate) {
154    int afSampleRate;
155    if (android::AudioSystem::getOutputSamplingRate(&afSampleRate,
156            ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) {
157        return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE;
158    }
159    int afFrameCount;
160    if (android::AudioSystem::getOutputFrameCount(&afFrameCount,
161            ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) {
162        return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE;
163    }
164    uint32_t afLatency;
165    if (android::AudioSystem::getOutputLatency(&afLatency,
166            ANDROID_DEFAULT_OUTPUT_STREAM_TYPE) != android::NO_ERROR) {
167        return ANDROID_DEFAULT_AUDIOTRACK_BUFFER_SIZE;
168    }
169    // minimum nb of buffers to cover output latency, given the size of each hardware audio buffer
170    uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate);
171    if (minBufCount < 2) minBufCount = 2;
172    // minimum number of frames to cover output latency at the sample rate of the content
173    return (afFrameCount*sampleRate*minBufCount)/afSampleRate;
174}
175
176
177//-----------------------------------------------------------------------------
178#define LEFT_CHANNEL_MASK  0x1 << 0
179#define RIGHT_CHANNEL_MASK 0x1 << 1
180
181static void android_audioPlayer_updateStereoVolume(CAudioPlayer* ap) {
182    float leftVol = 1.0f, rightVol = 1.0f;
183
184    if (NULL == ap->mAudioTrack) {
185        return;
186    }
187    // should not be used when muted
188    if (SL_BOOLEAN_TRUE == ap->mMute) {
189        return;
190    }
191
192    int channelCount = ap->mNumChannels;
193
194    // mute has priority over solo
195    int leftAudibilityFactor = 1, rightAudibilityFactor = 1;
196
197    if (channelCount >= STEREO_CHANNELS) {
198        if (ap->mMuteMask & LEFT_CHANNEL_MASK) {
199            // left muted
200            leftAudibilityFactor = 0;
201        } else {
202            // left not muted
203            if (ap->mSoloMask & LEFT_CHANNEL_MASK) {
204                // left soloed
205                leftAudibilityFactor = 1;
206            } else {
207                // left not soloed
208                if (ap->mSoloMask & RIGHT_CHANNEL_MASK) {
209                    // right solo silences left
210                    leftAudibilityFactor = 0;
211                } else {
212                    // left and right are not soloed, and left is not muted
213                    leftAudibilityFactor = 1;
214                }
215            }
216        }
217
218        if (ap->mMuteMask & RIGHT_CHANNEL_MASK) {
219            // right muted
220            rightAudibilityFactor = 0;
221        } else {
222            // right not muted
223            if (ap->mSoloMask & RIGHT_CHANNEL_MASK) {
224                // right soloed
225                rightAudibilityFactor = 1;
226            } else {
227                // right not soloed
228                if (ap->mSoloMask & LEFT_CHANNEL_MASK) {
229                    // left solo silences right
230                    rightAudibilityFactor = 0;
231                } else {
232                    // left and right are not soloed, and right is not muted
233                    rightAudibilityFactor = 1;
234                }
235            }
236        }
237    }
238
239    // compute amplification as the combination of volume level and stereo position
240    //   amplification from volume level
241    ap->mAmplFromVolLevel = sles_to_android_amplification(ap->mVolume.mLevel);
242    //   amplification from direct level (changed in SLEffectSendtItf and SLAndroidEffectSendItf)
243    leftVol  *= ap->mAmplFromVolLevel * ap->mAmplFromDirectLevel;
244    rightVol *= ap->mAmplFromVolLevel * ap->mAmplFromDirectLevel;
245
246    // amplification from stereo position
247    if (ap->mVolume.mEnableStereoPosition) {
248        // panning law depends on number of channels of content: stereo panning vs 2ch. balance
249        if(1 == channelCount) {
250            // stereo panning
251            double theta = (1000+ap->mVolume.mStereoPosition)*M_PI_4/1000.0f; // 0 <= theta <= Pi/2
252            ap->mAmplFromStereoPos[0] = cos(theta);
253            ap->mAmplFromStereoPos[1] = sin(theta);
254        } else {
255            // stereo balance
256            if (ap->mVolume.mStereoPosition > 0) {
257                ap->mAmplFromStereoPos[0] = (1000-ap->mVolume.mStereoPosition)/1000.0f;
258                ap->mAmplFromStereoPos[1] = 1.0f;
259            } else {
260                ap->mAmplFromStereoPos[0] = 1.0f;
261                ap->mAmplFromStereoPos[1] = (1000+ap->mVolume.mStereoPosition)/1000.0f;
262            }
263        }
264        leftVol  *= ap->mAmplFromStereoPos[0];
265        rightVol *= ap->mAmplFromStereoPos[1];
266    }
267
268    ap->mAudioTrack->setVolume(leftVol * leftAudibilityFactor, rightVol * rightAudibilityFactor);
269
270    // changes in the AudioPlayer volume must be reflected in the send level:
271    //  in SLEffectSendItf or in SLAndroidEffectSendItf?
272    // FIXME replace interface test by an internal API once we have one.
273    if (NULL != ap->mEffectSend.mItf) {
274        for (unsigned int i=0 ; i<AUX_MAX ; i++) {
275            if (ap->mEffectSend.mEnableLevels[i].mEnable) {
276                android_fxSend_setSendLevel(ap,
277                        ap->mEffectSend.mEnableLevels[i].mSendLevel + ap->mVolume.mLevel);
278                // there's a single aux bus on Android, so we can stop looking once the first
279                // aux effect is found.
280                break;
281            }
282        }
283    } else if (NULL != ap->mAndroidEffectSend.mItf) {
284        android_fxSend_setSendLevel(ap, ap->mAndroidEffectSend.mSendLevel + ap->mVolume.mLevel);
285    }
286}
287
288//-----------------------------------------------------------------------------
289void audioTrack_handleMarker_lockPlay(CAudioPlayer* ap) {
290    //SL_LOGV("received event EVENT_MARKER from AudioTrack");
291    slPlayCallback callback = NULL;
292    void* callbackPContext = NULL;
293
294    interface_lock_shared(&ap->mPlay);
295    callback = ap->mPlay.mCallback;
296    callbackPContext = ap->mPlay.mContext;
297    interface_unlock_shared(&ap->mPlay);
298
299    if (NULL != callback) {
300        // getting this event implies SL_PLAYEVENT_HEADATMARKER was set in the event mask
301        (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATMARKER);
302    }
303}
304
305//-----------------------------------------------------------------------------
306void audioTrack_handleNewPos_lockPlay(CAudioPlayer* ap) {
307    //SL_LOGV("received event EVENT_NEW_POS from AudioTrack");
308    slPlayCallback callback = NULL;
309    void* callbackPContext = NULL;
310
311    interface_lock_shared(&ap->mPlay);
312    callback = ap->mPlay.mCallback;
313    callbackPContext = ap->mPlay.mContext;
314    interface_unlock_shared(&ap->mPlay);
315
316    if (NULL != callback) {
317        // getting this event implies SL_PLAYEVENT_HEADATNEWPOS was set in the event mask
318        (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADATNEWPOS);
319    }
320}
321
322
323//-----------------------------------------------------------------------------
324void audioTrack_handleUnderrun_lockPlay(CAudioPlayer* ap) {
325    slPlayCallback callback = NULL;
326    void* callbackPContext = NULL;
327
328    interface_lock_shared(&ap->mPlay);
329    callback = ap->mPlay.mCallback;
330    callbackPContext = ap->mPlay.mContext;
331    bool headStalled = (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADSTALLED) != 0;
332    interface_unlock_shared(&ap->mPlay);
333
334    if ((NULL != callback) && headStalled) {
335        (*callback)(&ap->mPlay.mItf, callbackPContext, SL_PLAYEVENT_HEADSTALLED);
336    }
337}
338
339
340//-----------------------------------------------------------------------------
341/**
342 * post-condition: play state of AudioPlayer is SL_PLAYSTATE_PAUSED if setPlayStateToPaused is true
343 *
344 * note: a conditional flag, setPlayStateToPaused, is used here to specify whether the play state
345 *       needs to be changed when the player reaches the end of the content to play. This is
346 *       relative to what the specification describes for buffer queues vs the
347 *       SL_PLAYEVENT_HEADATEND event. In the OpenSL ES specification 1.0.1:
348 *        - section 8.12 SLBufferQueueItf states "In the case of starvation due to insufficient
349 *          buffers in the queue, the playing of audio data stops. The player remains in the
350 *          SL_PLAYSTATE_PLAYING state."
351 *        - section 9.2.31 SL_PLAYEVENT states "SL_PLAYEVENT_HEADATEND Playback head is at the end
352 *          of the current content and the player has paused."
353 */
354void audioPlayer_dispatch_headAtEnd_lockPlay(CAudioPlayer *ap, bool setPlayStateToPaused,
355        bool needToLock) {
356    //SL_LOGV("ap=%p, setPlayStateToPaused=%d, needToLock=%d", ap, setPlayStateToPaused,
357    //        needToLock);
358    slPlayCallback playCallback = NULL;
359    void * playContext = NULL;
360    // SLPlayItf callback or no callback?
361    if (needToLock) {
362        interface_lock_exclusive(&ap->mPlay);
363    }
364    if (ap->mPlay.mEventFlags & SL_PLAYEVENT_HEADATEND) {
365        playCallback = ap->mPlay.mCallback;
366        playContext = ap->mPlay.mContext;
367    }
368    if (setPlayStateToPaused) {
369        ap->mPlay.mState = SL_PLAYSTATE_PAUSED;
370    }
371    if (needToLock) {
372        interface_unlock_exclusive(&ap->mPlay);
373    }
374    // callback with no lock held
375    if (NULL != playCallback) {
376        (*playCallback)(&ap->mPlay.mItf, playContext, SL_PLAYEVENT_HEADATEND);
377    }
378
379}
380
381
382//-----------------------------------------------------------------------------
383/**
384 * pre-condition: AudioPlayer has SLPrefetchStatusItf initialized
385 * post-condition:
386 *  - ap->mPrefetchStatus.mStatus == status
387 *  - the prefetch status callback, if any, has been notified if a change occurred
388 *
389 */
390void audioPlayer_dispatch_prefetchStatus_lockPrefetch(CAudioPlayer *ap, SLuint32 status,
391        bool needToLock) {
392    slPrefetchCallback prefetchCallback = NULL;
393    void * prefetchContext = NULL;
394
395    if (needToLock) {
396        interface_lock_exclusive(&ap->mPrefetchStatus);
397    }
398    // status change?
399    if (ap->mPrefetchStatus.mStatus != status) {
400        ap->mPrefetchStatus.mStatus = status;
401        // callback or no callback?
402        if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) {
403            prefetchCallback = ap->mPrefetchStatus.mCallback;
404            prefetchContext  = ap->mPrefetchStatus.mContext;
405        }
406    }
407    if (needToLock) {
408        interface_unlock_exclusive(&ap->mPrefetchStatus);
409    }
410
411    // callback with no lock held
412    if (NULL != prefetchCallback) {
413        (*prefetchCallback)(&ap->mPrefetchStatus.mItf, prefetchContext, status);
414    }
415}
416
417
418//-----------------------------------------------------------------------------
419SLresult audioPlayer_setStreamType(CAudioPlayer* ap, SLint32 type) {
420    SLresult result = SL_RESULT_SUCCESS;
421    SL_LOGV("type %ld", type);
422
423    int newStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE;
424    switch(type) {
425    case SL_ANDROID_STREAM_VOICE:
426        newStreamType = android::AudioSystem::VOICE_CALL;
427        break;
428    case SL_ANDROID_STREAM_SYSTEM:
429        newStreamType = android::AudioSystem::SYSTEM;
430        break;
431    case SL_ANDROID_STREAM_RING:
432        newStreamType = android::AudioSystem::RING;
433        break;
434    case SL_ANDROID_STREAM_MEDIA:
435        newStreamType = android::AudioSystem::MUSIC;
436        break;
437    case SL_ANDROID_STREAM_ALARM:
438        newStreamType = android::AudioSystem::ALARM;
439        break;
440    case SL_ANDROID_STREAM_NOTIFICATION:
441        newStreamType = android::AudioSystem::NOTIFICATION;
442        break;
443    default:
444        SL_LOGE(ERROR_PLAYERSTREAMTYPE_SET_UNKNOWN_TYPE);
445        result = SL_RESULT_PARAMETER_INVALID;
446        break;
447    }
448
449    // stream type needs to be set before the object is realized
450    // (ap->mAudioTrack is supposed to be NULL until then)
451    if (SL_OBJECT_STATE_UNREALIZED != ap->mObject.mState) {
452        SL_LOGE(ERROR_PLAYERSTREAMTYPE_REALIZED);
453        result = SL_RESULT_PRECONDITIONS_VIOLATED;
454    } else {
455        ap->mStreamType = newStreamType;
456    }
457
458    return result;
459}
460
461
462//-----------------------------------------------------------------------------
463SLresult audioPlayer_getStreamType(CAudioPlayer* ap, SLint32 *pType) {
464    SLresult result = SL_RESULT_SUCCESS;
465
466    switch(ap->mStreamType) {
467    case android::AudioSystem::VOICE_CALL:
468        *pType = SL_ANDROID_STREAM_VOICE;
469        break;
470    case android::AudioSystem::SYSTEM:
471        *pType = SL_ANDROID_STREAM_SYSTEM;
472        break;
473    case android::AudioSystem::RING:
474        *pType = SL_ANDROID_STREAM_RING;
475        break;
476    case android::AudioSystem::DEFAULT:
477    case android::AudioSystem::MUSIC:
478        *pType = SL_ANDROID_STREAM_MEDIA;
479        break;
480    case android::AudioSystem::ALARM:
481        *pType = SL_ANDROID_STREAM_ALARM;
482        break;
483    case android::AudioSystem::NOTIFICATION:
484        *pType = SL_ANDROID_STREAM_NOTIFICATION;
485        break;
486    default:
487        result = SL_RESULT_INTERNAL_ERROR;
488        *pType = SL_ANDROID_STREAM_MEDIA;
489        break;
490    }
491
492    return result;
493}
494
495
496//-----------------------------------------------------------------------------
497void audioPlayer_auxEffectUpdate(CAudioPlayer* ap) {
498    if ((NULL != ap->mAudioTrack) && (ap->mAuxEffect != 0)) {
499        android_fxSend_attach(ap, true, ap->mAuxEffect, ap->mVolume.mLevel + ap->mAuxSendLevel);
500    }
501}
502
503
504//-----------------------------------------------------------------------------
505void audioPlayer_setInvalid(CAudioPlayer* ap) {
506    ap->mAndroidObjType = INVALID_TYPE;
507    ap->mpLock = NULL;
508    ap->mPlaybackRate.mCapabilities = 0;
509}
510
511
512//-----------------------------------------------------------------------------
513/*
514 * returns true if the given data sink is supported by AudioPlayer that don't
515 *   play to an OutputMix object, false otherwise
516 *
517 * pre-condition: the locator of the audio sink is not SL_DATALOCATOR_OUTPUTMIX
518 */
519bool audioPlayer_isSupportedNonOutputMixSink(const SLDataSink* pAudioSink) {
520    bool result = true;
521    const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSink->pLocator;
522    const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSink->pFormat;
523
524    switch (sinkLocatorType) {
525
526    case SL_DATALOCATOR_BUFFERQUEUE:
527    case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
528        if (SL_DATAFORMAT_PCM != sinkFormatType) {
529            SL_LOGE("Unsupported sink format 0x%x, expected SL_DATAFORMAT_PCM",
530                    (unsigned)sinkFormatType);
531            result = false;
532        }
533        // it's no use checking the PCM format fields because additional characteristics
534        // such as the number of channels, or sample size are unknown to the player at this stage
535        break;
536
537    default:
538        SL_LOGE("Unsupported sink locator type 0x%x", (unsigned)sinkLocatorType);
539        result = false;
540        break;
541    }
542
543    return result;
544}
545
546
547//-----------------------------------------------------------------------------
548/*
549 * returns the Android object type if the locator type combinations for the source and sinks
550 *   are supported by this implementation, INVALID_TYPE otherwise
551 */
552AndroidObject_type audioPlayer_getAndroidObjectTypeForSourceSink(CAudioPlayer *ap) {
553
554    const SLDataSource *pAudioSrc = &ap->mDataSource.u.mSource;
555    const SLDataSink *pAudioSnk = &ap->mDataSink.u.mSink;
556    const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator;
557    const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator;
558    AndroidObject_type type = INVALID_TYPE;
559
560    //--------------------------------------
561    // Sink / source matching check:
562    // the following source / sink combinations are supported
563    //     SL_DATALOCATOR_BUFFERQUEUE                / SL_DATALOCATOR_OUTPUTMIX
564    //     SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE   / SL_DATALOCATOR_OUTPUTMIX
565    //     SL_DATALOCATOR_URI                        / SL_DATALOCATOR_OUTPUTMIX
566    //     SL_DATALOCATOR_ANDROIDFD                  / SL_DATALOCATOR_OUTPUTMIX
567    //     SL_DATALOCATOR_ANDROIDBUFFERQUEUE         / SL_DATALOCATOR_OUTPUTMIX
568    //     SL_DATALOCATOR_URI                        / SL_DATALOCATOR_BUFFERQUEUE
569    //     SL_DATALOCATOR_ANDROIDFD                  / SL_DATALOCATOR_BUFFERQUEUE
570    //     SL_DATALOCATOR_URI                        / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
571    //     SL_DATALOCATOR_ANDROIDFD                  / SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
572    switch (sinkLocatorType) {
573
574    case SL_DATALOCATOR_OUTPUTMIX: {
575        switch (sourceLocatorType) {
576
577        //   Buffer Queue to AudioTrack
578        case SL_DATALOCATOR_BUFFERQUEUE:
579        case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
580            type = A_PLR_PCM_BQ;
581            break;
582
583        //   URI or FD to MediaPlayer
584        case SL_DATALOCATOR_URI:
585        case SL_DATALOCATOR_ANDROIDFD:
586            type = A_PLR_URIFD;
587            break;
588
589        //   Android BufferQueue to MediaPlayer (shared memory streaming)
590        case SL_DATALOCATOR_ANDROIDBUFFERQUEUE:
591            type = A_PLR_TS_ABQ;
592            break;
593
594        default:
595            SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_OUTPUTMIX sink",
596                    (unsigned)sourceLocatorType);
597            break;
598        }
599        }
600        break;
601
602    case SL_DATALOCATOR_BUFFERQUEUE:
603    case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
604        switch (sourceLocatorType) {
605
606        //   URI or FD decoded to PCM in a buffer queue
607        case SL_DATALOCATOR_URI:
608        case SL_DATALOCATOR_ANDROIDFD:
609            type = A_PLR_URIFD_ASQ;
610            break;
611
612        default:
613            SL_LOGE("Source data locator 0x%x not supported with SL_DATALOCATOR_BUFFERQUEUE sink",
614                    (unsigned)sourceLocatorType);
615            break;
616        }
617        break;
618
619    default:
620        SL_LOGE("Sink data locator 0x%x not supported", (unsigned)sinkLocatorType);
621        break;
622    }
623
624    return type;
625}
626
627
628//-----------------------------------------------------------------------------
629static void sfplayer_prepare(CAudioPlayer *ap, bool lockAP) {
630
631    if (lockAP) { object_lock_exclusive(&ap->mObject); }
632    ap->mAndroidObjState = ANDROID_PREPARING;
633    if (lockAP) { object_unlock_exclusive(&ap->mObject); }
634
635    if (ap->mSfPlayer != 0) {
636        ap->mSfPlayer->prepare();
637    }
638}
639
640//-----------------------------------------------------------------------------
641// Callback associated with an SfPlayer of an SL ES AudioPlayer that gets its data
642// from a URI or FD, for prepare and prefetch events
643static void sfplayer_handlePrefetchEvent(int event, int data1, void* user) {
644    if (NULL == user) {
645        return;
646    }
647
648    CAudioPlayer *ap = (CAudioPlayer *)user;
649    //SL_LOGV("received event %d, data %d from SfAudioPlayer", event, data1);
650    switch(event) {
651
652    case android::GenericPlayer::kEventPrepared: {
653
654        if (PLAYER_SUCCESS != data1) {
655            object_lock_exclusive(&ap->mObject);
656
657            ap->mAudioTrack = NULL;
658            ap->mNumChannels = 0;
659            ap->mSampleRateMilliHz = 0;
660            ap->mAndroidObjState = ANDROID_UNINITIALIZED;
661
662            object_unlock_exclusive(&ap->mObject);
663
664            // SfPlayer prepare() failed prefetching, there is no event in SLPrefetchStatus to
665            //  indicate a prefetch error, so we signal it by sending simulataneously two events:
666            //  - SL_PREFETCHEVENT_FILLLEVELCHANGE with a level of 0
667            //  - SL_PREFETCHEVENT_STATUSCHANGE with a status of SL_PREFETCHSTATUS_UNDERFLOW
668            SL_LOGE(ERROR_PLAYER_PREFETCH_d, data1);
669            if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
670                break;
671            }
672
673            slPrefetchCallback callback = NULL;
674            void* callbackPContext = NULL;
675
676            interface_lock_exclusive(&ap->mPrefetchStatus);
677            ap->mPrefetchStatus.mLevel = 0;
678            ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW;
679            if ((ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE)
680                    && (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE)) {
681                callback = ap->mPrefetchStatus.mCallback;
682                callbackPContext = ap->mPrefetchStatus.mContext;
683            }
684            interface_unlock_exclusive(&ap->mPrefetchStatus);
685
686            // callback with no lock held
687            if (NULL != callback) {
688                (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext,
689                        SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE);
690            }
691
692
693        } else {
694            object_lock_exclusive(&ap->mObject);
695
696            if (A_PLR_URIFD == ap->mAndroidObjType) {
697                ap->mAudioTrack = ap->mSfPlayer->getAudioTrack();
698                ap->mNumChannels = ap->mSfPlayer->getNumChannels();
699                ap->mSampleRateMilliHz =
700                        android_to_sles_sampleRate(ap->mSfPlayer->getSampleRateHz());
701                ap->mSfPlayer->startPrefetch_async();
702                // update the new track with the current settings
703                audioPlayer_auxEffectUpdate(ap);
704                android_audioPlayer_useEventMask(ap);
705                android_audioPlayer_volumeUpdate(ap);
706                android_audioPlayer_setPlayRate(ap, ap->mPlaybackRate.mRate, false /*lockAP*/);
707            } else if (A_PLR_PCM_BQ == ap->mAndroidObjType) {
708                ((android::AudioToCbRenderer*)ap->mAPlayer.get())->startPrefetch_async();
709            } else if (A_PLR_TS_ABQ == ap->mAndroidObjType) {
710                SL_LOGI("Received SfPlayer::kEventPrepared from AVPlayer for CAudioPlayer %p", ap);
711            }
712
713            ap->mAndroidObjState = ANDROID_READY;
714
715            object_unlock_exclusive(&ap->mObject);
716        }
717
718    }
719    break;
720
721    case android::SfPlayer::kEventNewAudioTrack: {
722        object_lock_exclusive(&ap->mObject);
723#if 1
724        // SfPlayer has a new AudioTrack, update our pointer copy and configure the new one before
725        // starting to use it
726#else
727        // SfPlayer has a new AudioTrack, delete the old one and configure the new one before
728        // starting to use it
729
730        if (NULL != ap->mAudioTrack) {
731            delete ap->mAudioTrack;
732            ap->mAudioTrack = NULL;
733        }
734#endif
735        ap->mAudioTrack = ap->mSfPlayer->getAudioTrack();
736        ap->mNumChannels = ap->mSfPlayer->getNumChannels();
737        ap->mSampleRateMilliHz = android_to_sles_sampleRate(ap->mSfPlayer->getSampleRateHz());
738
739        // update the new track with the current settings
740        audioPlayer_auxEffectUpdate(ap);
741        android_audioPlayer_useEventMask(ap);
742        android_audioPlayer_volumeUpdate(ap);
743        android_audioPlayer_setPlayRate(ap, ap->mPlaybackRate.mRate, false /*lockAP*/);
744
745        object_unlock_exclusive(&ap->mObject);
746    }
747    break;
748
749    case android::SfPlayer::kEventPrefetchFillLevelUpdate : {
750        if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
751            break;
752        }
753        slPrefetchCallback callback = NULL;
754        void* callbackPContext = NULL;
755
756        // SLPrefetchStatusItf callback or no callback?
757        interface_lock_exclusive(&ap->mPrefetchStatus);
758        if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_FILLLEVELCHANGE) {
759            callback = ap->mPrefetchStatus.mCallback;
760            callbackPContext = ap->mPrefetchStatus.mContext;
761        }
762        ap->mPrefetchStatus.mLevel = (SLpermille)data1;
763        interface_unlock_exclusive(&ap->mPrefetchStatus);
764
765        // callback with no lock held
766        if (NULL != callback) {
767            (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext,
768                    SL_PREFETCHEVENT_FILLLEVELCHANGE);
769        }
770    }
771    break;
772
773    case android::SfPlayer::kEventPrefetchStatusChange: {
774        if (!IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
775            break;
776        }
777        slPrefetchCallback callback = NULL;
778        void* callbackPContext = NULL;
779
780        // SLPrefetchStatusItf callback or no callback?
781        object_lock_exclusive(&ap->mObject);
782        if (ap->mPrefetchStatus.mCallbackEventsMask & SL_PREFETCHEVENT_STATUSCHANGE) {
783            callback = ap->mPrefetchStatus.mCallback;
784            callbackPContext = ap->mPrefetchStatus.mContext;
785        }
786        if (data1 >= android::SfPlayer::kStatusIntermediate) {
787            ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_SUFFICIENTDATA;
788            // FIXME estimate fill level better?
789            ap->mPrefetchStatus.mLevel = 1000;
790            ap->mAndroidObjState = ANDROID_READY;
791        } else if (data1 < android::SfPlayer::kStatusIntermediate) {
792            ap->mPrefetchStatus.mStatus = SL_PREFETCHSTATUS_UNDERFLOW;
793            // FIXME estimate fill level better?
794            ap->mPrefetchStatus.mLevel = 0;
795        }
796        object_unlock_exclusive(&ap->mObject);
797
798        // callback with no lock held
799        if (NULL != callback) {
800            (*callback)(&ap->mPrefetchStatus.mItf, callbackPContext, SL_PREFETCHEVENT_STATUSCHANGE);
801        }
802        }
803        break;
804
805    case android::SfPlayer::kEventEndOfStream: {
806        audioPlayer_dispatch_headAtEnd_lockPlay(ap, true /*set state to paused?*/, true);
807        if ((NULL != ap->mAudioTrack) && (!ap->mSeek.mLoopEnabled)) {
808            ap->mAudioTrack->stop();
809        }
810        }
811        break;
812
813    default:
814        break;
815    }
816}
817
818
819//-----------------------------------------------------------------------------
820SLresult android_audioPlayer_checkSourceSink(CAudioPlayer *pAudioPlayer)
821{
822    // verify that the locator types for the source / sink combination is supported
823    pAudioPlayer->mAndroidObjType = audioPlayer_getAndroidObjectTypeForSourceSink(pAudioPlayer);
824    if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) {
825        return SL_RESULT_PARAMETER_INVALID;
826    }
827
828    const SLDataSource *pAudioSrc = &pAudioPlayer->mDataSource.u.mSource;
829    const SLDataSink *pAudioSnk = &pAudioPlayer->mDataSink.u.mSink;
830
831    // format check:
832    const SLuint32 sourceLocatorType = *(SLuint32 *)pAudioSrc->pLocator;
833    const SLuint32 sinkLocatorType = *(SLuint32 *)pAudioSnk->pLocator;
834    const SLuint32 sourceFormatType = *(SLuint32 *)pAudioSrc->pFormat;
835    const SLuint32 sinkFormatType = *(SLuint32 *)pAudioSnk->pFormat;
836
837    switch (sourceLocatorType) {
838    //------------------
839    //   Buffer Queues
840    case SL_DATALOCATOR_BUFFERQUEUE:
841    case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE:
842        {
843        SLDataLocator_BufferQueue *dl_bq =  (SLDataLocator_BufferQueue *) pAudioSrc->pLocator;
844
845        // Buffer format
846        switch (sourceFormatType) {
847        //     currently only PCM buffer queues are supported,
848        case SL_DATAFORMAT_PCM: {
849            SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *) pAudioSrc->pFormat;
850            switch (df_pcm->numChannels) {
851            case 1:
852            case 2:
853                break;
854            default:
855                // this should have already been rejected by checkDataFormat
856                SL_LOGE("Cannot create audio player: unsupported " \
857                    "PCM data source with %u channels", (unsigned) df_pcm->numChannels);
858                return SL_RESULT_CONTENT_UNSUPPORTED;
859            }
860            switch (df_pcm->samplesPerSec) {
861            case SL_SAMPLINGRATE_8:
862            case SL_SAMPLINGRATE_11_025:
863            case SL_SAMPLINGRATE_12:
864            case SL_SAMPLINGRATE_16:
865            case SL_SAMPLINGRATE_22_05:
866            case SL_SAMPLINGRATE_24:
867            case SL_SAMPLINGRATE_32:
868            case SL_SAMPLINGRATE_44_1:
869            case SL_SAMPLINGRATE_48:
870                break;
871            case SL_SAMPLINGRATE_64:
872            case SL_SAMPLINGRATE_88_2:
873            case SL_SAMPLINGRATE_96:
874            case SL_SAMPLINGRATE_192:
875            default:
876                SL_LOGE("Cannot create audio player: unsupported sample rate %u milliHz",
877                    (unsigned) df_pcm->samplesPerSec);
878                return SL_RESULT_CONTENT_UNSUPPORTED;
879            }
880            switch (df_pcm->bitsPerSample) {
881            case SL_PCMSAMPLEFORMAT_FIXED_8:
882                // FIXME We should support this
883                //SL_LOGE("Cannot create audio player: unsupported 8-bit data");
884                //return SL_RESULT_CONTENT_UNSUPPORTED;
885            case SL_PCMSAMPLEFORMAT_FIXED_16:
886                break;
887                // others
888            default:
889                // this should have already been rejected by checkDataFormat
890                SL_LOGE("Cannot create audio player: unsupported sample bit depth %lu",
891                        (SLuint32)df_pcm->bitsPerSample);
892                return SL_RESULT_CONTENT_UNSUPPORTED;
893            }
894            switch (df_pcm->containerSize) {
895            case 8:
896            case 16:
897                break;
898                // others
899            default:
900                SL_LOGE("Cannot create audio player: unsupported container size %u",
901                    (unsigned) df_pcm->containerSize);
902                return SL_RESULT_CONTENT_UNSUPPORTED;
903            }
904            switch (df_pcm->channelMask) {
905                // FIXME needs work
906            default:
907                break;
908            }
909            switch (df_pcm->endianness) {
910            case SL_BYTEORDER_LITTLEENDIAN:
911                break;
912            case SL_BYTEORDER_BIGENDIAN:
913                SL_LOGE("Cannot create audio player: unsupported big-endian byte order");
914                return SL_RESULT_CONTENT_UNSUPPORTED;
915                // native is proposed but not yet in spec
916            default:
917                SL_LOGE("Cannot create audio player: unsupported byte order %u",
918                    (unsigned) df_pcm->endianness);
919                return SL_RESULT_CONTENT_UNSUPPORTED;
920            }
921            } //case SL_DATAFORMAT_PCM
922            break;
923        case SL_DATAFORMAT_MIME:
924        case XA_DATAFORMAT_RAWIMAGE:
925            SL_LOGE("Cannot create audio player with buffer queue data source "
926                "without SL_DATAFORMAT_PCM format");
927            return SL_RESULT_CONTENT_UNSUPPORTED;
928        default:
929            // invalid data format is detected earlier
930            assert(false);
931            return SL_RESULT_INTERNAL_ERROR;
932        } // switch (sourceFormatType)
933        } // case SL_DATALOCATOR_BUFFERQUEUE or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
934        break;
935    //------------------
936    //   URI
937    case SL_DATALOCATOR_URI:
938        {
939        SLDataLocator_URI *dl_uri =  (SLDataLocator_URI *) pAudioSrc->pLocator;
940        if (NULL == dl_uri->URI) {
941            return SL_RESULT_PARAMETER_INVALID;
942        }
943        // URI format
944        switch (sourceFormatType) {
945        case SL_DATAFORMAT_MIME:
946            break;
947        case SL_DATAFORMAT_PCM:
948        case XA_DATAFORMAT_RAWIMAGE:
949            SL_LOGE("Cannot create audio player with SL_DATALOCATOR_URI data source without "
950                "SL_DATAFORMAT_MIME format");
951            return SL_RESULT_CONTENT_UNSUPPORTED;
952        } // switch (sourceFormatType)
953        // decoding format check
954        if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) &&
955                !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) {
956            return SL_RESULT_CONTENT_UNSUPPORTED;
957        }
958        } // case SL_DATALOCATOR_URI
959        break;
960    //------------------
961    //   File Descriptor
962    case SL_DATALOCATOR_ANDROIDFD:
963        {
964        // fd is already non null
965        switch (sourceFormatType) {
966        case SL_DATAFORMAT_MIME:
967            break;
968        case SL_DATAFORMAT_PCM:
969            // FIXME implement
970            SL_LOGD("[ FIXME implement PCM FD data sources ]");
971            break;
972        case XA_DATAFORMAT_RAWIMAGE:
973            SL_LOGE("Cannot create audio player with SL_DATALOCATOR_ANDROIDFD data source "
974                "without SL_DATAFORMAT_MIME or SL_DATAFORMAT_PCM format");
975            return SL_RESULT_CONTENT_UNSUPPORTED;
976        default:
977            // invalid data format is detected earlier
978            assert(false);
979            return SL_RESULT_INTERNAL_ERROR;
980        } // switch (sourceFormatType)
981        if ((sinkLocatorType != SL_DATALOCATOR_OUTPUTMIX) &&
982                !audioPlayer_isSupportedNonOutputMixSink(pAudioSnk)) {
983            return SL_RESULT_CONTENT_UNSUPPORTED;
984        }
985        } // case SL_DATALOCATOR_ANDROIDFD
986        break;
987    //------------------
988    //   Stream
989    case SL_DATALOCATOR_ANDROIDBUFFERQUEUE:
990    {
991        switch (sourceFormatType) {
992        case SL_DATAFORMAT_MIME:
993        {
994            SLDataFormat_MIME *df_mime = (SLDataFormat_MIME *) pAudioSrc->pFormat;
995            if (SL_CONTAINERTYPE_MPEG_TS != df_mime->containerType) {
996                SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source "
997                        "that is not fed MPEG-2 TS data");
998                return SL_RESULT_CONTENT_UNSUPPORTED;
999            }
1000        }
1001        break;
1002        default:
1003            SL_LOGE("Cannot create player with SL_DATALOCATOR_ANDROIDBUFFERQUEUE data source "
1004                    "without SL_DATAFORMAT_MIME format");
1005            return SL_RESULT_CONTENT_UNSUPPORTED;
1006        }
1007    }
1008    break; // case SL_DATALOCATOR_ANDROIDBUFFERQUEUE
1009    //------------------
1010    //   Address
1011    case SL_DATALOCATOR_ADDRESS:
1012    case SL_DATALOCATOR_IODEVICE:
1013    case SL_DATALOCATOR_OUTPUTMIX:
1014    case XA_DATALOCATOR_NATIVEDISPLAY:
1015    case SL_DATALOCATOR_MIDIBUFFERQUEUE:
1016        SL_LOGE("Cannot create audio player with data locator type 0x%x",
1017                (unsigned) sourceLocatorType);
1018        return SL_RESULT_CONTENT_UNSUPPORTED;
1019    default:
1020        SL_LOGE("Cannot create audio player with invalid data locator type 0x%x",
1021                (unsigned) sourceLocatorType);
1022        return SL_RESULT_PARAMETER_INVALID;
1023    }// switch (locatorType)
1024
1025    return SL_RESULT_SUCCESS;
1026}
1027
1028
1029
1030//-----------------------------------------------------------------------------
1031static void audioTrack_callBack_uri(int event, void* user, void *info) {
1032    // EVENT_MORE_DATA needs to be handled with priority over the other events
1033    // because it will be called the most often during playback
1034    if (event == android::AudioTrack::EVENT_MORE_DATA) {
1035        //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack");
1036        // set size to 0 to signal we're not using the callback to write more data
1037        android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info;
1038        pBuff->size = 0;
1039    } else if (NULL != user) {
1040        switch (event) {
1041            case android::AudioTrack::EVENT_MARKER :
1042                audioTrack_handleMarker_lockPlay((CAudioPlayer *)user);
1043                break;
1044            case android::AudioTrack::EVENT_NEW_POS :
1045                audioTrack_handleNewPos_lockPlay((CAudioPlayer *)user);
1046                break;
1047            case android::AudioTrack::EVENT_UNDERRUN :
1048                audioTrack_handleUnderrun_lockPlay((CAudioPlayer *)user);
1049                break;
1050            case android::AudioTrack::EVENT_BUFFER_END :
1051            case android::AudioTrack::EVENT_LOOP_END :
1052                break;
1053            default:
1054                SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event,
1055                        (CAudioPlayer *)user);
1056                break;
1057        }
1058    }
1059}
1060
1061//-----------------------------------------------------------------------------
1062// Callback associated with an AudioTrack of an SL ES AudioPlayer that gets its data
1063// from a buffer queue.
1064static void audioTrack_callBack_pullFromBuffQueue(int event, void* user, void *info) {
1065    CAudioPlayer *ap = (CAudioPlayer *)user;
1066    void * callbackPContext = NULL;
1067    switch(event) {
1068
1069    case android::AudioTrack::EVENT_MORE_DATA: {
1070        //SL_LOGV("received event EVENT_MORE_DATA from AudioTrack");
1071        slBufferQueueCallback callback = NULL;
1072        android::AudioTrack::Buffer* pBuff = (android::AudioTrack::Buffer*)info;
1073        // retrieve data from the buffer queue
1074        interface_lock_exclusive(&ap->mBufferQueue);
1075        if (ap->mBufferQueue.mState.count != 0) {
1076            //SL_LOGV("nbBuffers in queue = %lu",ap->mBufferQueue.mState.count);
1077            assert(ap->mBufferQueue.mFront != ap->mBufferQueue.mRear);
1078
1079            BufferHeader *oldFront = ap->mBufferQueue.mFront;
1080            BufferHeader *newFront = &oldFront[1];
1081
1082            // FIXME handle 8bit based on buffer format
1083            short *pSrc = (short*)((char *)oldFront->mBuffer
1084                    + ap->mBufferQueue.mSizeConsumed);
1085            if (ap->mBufferQueue.mSizeConsumed + pBuff->size < oldFront->mSize) {
1086                // can't consume the whole or rest of the buffer in one shot
1087                ap->mBufferQueue.mSizeConsumed += pBuff->size;
1088                // leave pBuff->size untouched
1089                // consume data
1090                // FIXME can we avoid holding the lock during the copy?
1091                memcpy (pBuff->i16, pSrc, pBuff->size);
1092            } else {
1093                // finish consuming the buffer or consume the buffer in one shot
1094                pBuff->size = oldFront->mSize - ap->mBufferQueue.mSizeConsumed;
1095                ap->mBufferQueue.mSizeConsumed = 0;
1096
1097                if (newFront ==
1098                        &ap->mBufferQueue.mArray
1099                            [ap->mBufferQueue.mNumBuffers + 1])
1100                {
1101                    newFront = ap->mBufferQueue.mArray;
1102                }
1103                ap->mBufferQueue.mFront = newFront;
1104
1105                ap->mBufferQueue.mState.count--;
1106                ap->mBufferQueue.mState.playIndex++;
1107
1108                // consume data
1109                // FIXME can we avoid holding the lock during the copy?
1110                memcpy (pBuff->i16, pSrc, pBuff->size);
1111
1112                // data has been consumed, and the buffer queue state has been updated
1113                // we will notify the client if applicable
1114                callback = ap->mBufferQueue.mCallback;
1115                // save callback data
1116                callbackPContext = ap->mBufferQueue.mContext;
1117            }
1118        } else { // empty queue
1119            // signal no data available
1120            pBuff->size = 0;
1121
1122            // signal we're at the end of the content, but don't pause (see note in function)
1123            audioPlayer_dispatch_headAtEnd_lockPlay(ap, false /*set state to paused?*/, false);
1124
1125            // signal underflow to prefetch status itf
1126            if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
1127                audioPlayer_dispatch_prefetchStatus_lockPrefetch(ap, SL_PREFETCHSTATUS_UNDERFLOW,
1128                    false);
1129            }
1130
1131            // stop the track so it restarts playing faster when new data is enqueued
1132            ap->mAudioTrack->stop();
1133        }
1134        interface_unlock_exclusive(&ap->mBufferQueue);
1135        // notify client
1136        if (NULL != callback) {
1137            (*callback)(&ap->mBufferQueue.mItf, callbackPContext);
1138        }
1139    }
1140    break;
1141
1142    case android::AudioTrack::EVENT_MARKER:
1143        audioTrack_handleMarker_lockPlay(ap);
1144        break;
1145
1146    case android::AudioTrack::EVENT_NEW_POS:
1147        audioTrack_handleNewPos_lockPlay(ap);
1148        break;
1149
1150    case android::AudioTrack::EVENT_UNDERRUN:
1151        audioTrack_handleUnderrun_lockPlay(ap);
1152        break;
1153
1154    default:
1155        // FIXME where does the notification of SL_PLAYEVENT_HEADMOVING fit?
1156        SL_LOGE("Encountered unknown AudioTrack event %d for CAudioPlayer %p", event,
1157                (CAudioPlayer *)user);
1158        break;
1159    }
1160}
1161
1162
1163//-----------------------------------------------------------------------------
1164SLresult android_audioPlayer_create(CAudioPlayer *pAudioPlayer) {
1165
1166    SLresult result = SL_RESULT_SUCCESS;
1167    // pAudioPlayer->mAndroidObjType has been set in audioPlayer_getAndroidObjectTypeForSourceSink()
1168    if (INVALID_TYPE == pAudioPlayer->mAndroidObjType) {
1169        audioPlayer_setInvalid(pAudioPlayer);
1170        result = SL_RESULT_PARAMETER_INVALID;
1171    } else {
1172
1173        pAudioPlayer->mpLock = new android::Mutex();
1174        pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED;
1175        pAudioPlayer->mStreamType = ANDROID_DEFAULT_OUTPUT_STREAM_TYPE;
1176        pAudioPlayer->mAudioTrack = NULL;
1177        // not needed, as placement new (explicit constructor) already does this
1178        // pAudioPlayer->mSfPlayer.clear();
1179
1180        pAudioPlayer->mSessionId = android::AudioSystem::newAudioSessionId();
1181
1182        pAudioPlayer->mAmplFromVolLevel = 1.0f;
1183        pAudioPlayer->mAmplFromStereoPos[0] = 1.0f;
1184        pAudioPlayer->mAmplFromStereoPos[1] = 1.0f;
1185        pAudioPlayer->mDirectLevel = 0; // no attenuation
1186        pAudioPlayer->mAmplFromDirectLevel = 1.0f; // matches initial mDirectLevel value
1187        pAudioPlayer->mAuxSendLevel = 0;
1188
1189        // initialize interface-specific fields that can be used regardless of whether the
1190        // interface is exposed on the AudioPlayer or not
1191        // (empty section, as all initializations are the same as the defaults)
1192    }
1193
1194    return result;
1195}
1196
1197
1198//-----------------------------------------------------------------------------
1199SLresult android_audioPlayer_setConfig(CAudioPlayer *ap, const SLchar *configKey,
1200        const void *pConfigValue, SLuint32 valueSize) {
1201
1202    SLresult result = SL_RESULT_SUCCESS;
1203
1204    if (NULL == ap) {
1205        result = SL_RESULT_INTERNAL_ERROR;
1206    } else if (NULL == pConfigValue) {
1207        SL_LOGE(ERROR_CONFIG_NULL_PARAM);
1208        result = SL_RESULT_PARAMETER_INVALID;
1209
1210    } else if(strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) {
1211
1212        // stream type
1213        if (KEY_STREAM_TYPE_PARAMSIZE > valueSize) {
1214            SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW);
1215            result = SL_RESULT_PARAMETER_INVALID;
1216        } else {
1217            result = audioPlayer_setStreamType(ap, *(SLuint32*)pConfigValue);
1218        }
1219
1220    } else {
1221        SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY);
1222        result = SL_RESULT_PARAMETER_INVALID;
1223    }
1224
1225    return result;
1226}
1227
1228
1229//-----------------------------------------------------------------------------
1230SLresult android_audioPlayer_getConfig(CAudioPlayer* ap, const SLchar *configKey,
1231        SLuint32* pValueSize, void *pConfigValue) {
1232
1233    SLresult result = SL_RESULT_SUCCESS;
1234
1235    if (NULL == ap) {
1236        return SL_RESULT_INTERNAL_ERROR;
1237    } else if (NULL == pValueSize) {
1238        SL_LOGE(ERROR_CONFIG_NULL_PARAM);
1239        result = SL_RESULT_PARAMETER_INVALID;
1240
1241    } else if(strcmp((const char*)configKey, (const char*)SL_ANDROID_KEY_STREAM_TYPE) == 0) {
1242
1243        // stream type
1244        if (KEY_STREAM_TYPE_PARAMSIZE > *pValueSize) {
1245            SL_LOGE(ERROR_CONFIG_VALUESIZE_TOO_LOW);
1246            result = SL_RESULT_PARAMETER_INVALID;
1247        } else {
1248            *pValueSize = KEY_STREAM_TYPE_PARAMSIZE;
1249            if (NULL != pConfigValue) {
1250                result = audioPlayer_getStreamType(ap, (SLint32*)pConfigValue);
1251            }
1252        }
1253
1254    } else {
1255        SL_LOGE(ERROR_CONFIG_UNKNOWN_KEY);
1256        result = SL_RESULT_PARAMETER_INVALID;
1257    }
1258
1259    return result;
1260}
1261
1262
1263//-----------------------------------------------------------------------------
1264SLresult android_audioPlayer_realize(CAudioPlayer *pAudioPlayer, SLboolean async) {
1265
1266    SLresult result = SL_RESULT_SUCCESS;
1267    SL_LOGV("Realize pAudioPlayer=%p", pAudioPlayer);
1268
1269    switch (pAudioPlayer->mAndroidObjType) {
1270    //-----------------------------------
1271    // AudioTrack
1272    case A_PLR_PCM_BQ:
1273        {
1274        // initialize platform-specific CAudioPlayer fields
1275
1276        SLDataLocator_BufferQueue *dl_bq =  (SLDataLocator_BufferQueue *)
1277                pAudioPlayer->mDynamicSource.mDataSource;
1278        SLDataFormat_PCM *df_pcm = (SLDataFormat_PCM *)
1279                pAudioPlayer->mDynamicSource.mDataSource->pFormat;
1280
1281        uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec);
1282
1283        pAudioPlayer->mAudioTrack = new android::AudioTrack(
1284                pAudioPlayer->mStreamType,                           // streamType
1285                sampleRate,                                          // sampleRate
1286                sles_to_android_sampleFormat(df_pcm->bitsPerSample), // format
1287                sles_to_android_channelMaskOut(df_pcm->numChannels, df_pcm->channelMask),
1288                                                                     //channel mask
1289                0,                                                   // frameCount (here min)
1290                0,                                                   // flags
1291                audioTrack_callBack_pullFromBuffQueue,               // callback
1292                (void *) pAudioPlayer,                               // user
1293                0      // FIXME find appropriate frame count         // notificationFrame
1294                , pAudioPlayer->mSessionId
1295                );
1296        android::status_t status = pAudioPlayer->mAudioTrack->initCheck();
1297        if (status != android::NO_ERROR) {
1298            SL_LOGE("AudioTrack::initCheck status %u", status);
1299            result = SL_RESULT_CONTENT_UNSUPPORTED;
1300        }
1301
1302        // initialize platform-independent CAudioPlayer fields
1303
1304        pAudioPlayer->mNumChannels = df_pcm->numChannels;
1305        pAudioPlayer->mSampleRateMilliHz = df_pcm->samplesPerSec; // Note: bad field name in SL ES
1306
1307        pAudioPlayer->mAndroidObjState = ANDROID_READY;
1308        }
1309        break;
1310    //-----------------------------------
1311    // MediaPlayer
1312    case A_PLR_URIFD: {
1313        object_lock_exclusive(&pAudioPlayer->mObject);
1314
1315        pAudioPlayer->mAndroidObjState = ANDROID_UNINITIALIZED;
1316        pAudioPlayer->mNumChannels = 0;
1317        pAudioPlayer->mSampleRateMilliHz = 0;
1318        pAudioPlayer->mAudioTrack = NULL;
1319
1320        AudioPlayback_Parameters app;
1321        app.sessionId = pAudioPlayer->mSessionId;
1322        app.streamType = pAudioPlayer->mStreamType;
1323        app.trackcb = audioTrack_callBack_uri;
1324        app.trackcbUser = (void *) pAudioPlayer;
1325
1326        pAudioPlayer->mSfPlayer = new android::SfPlayer(&app);
1327        pAudioPlayer->mSfPlayer->setNotifListener(sfplayer_handlePrefetchEvent,
1328                        (void*)pAudioPlayer /*notifUSer*/);
1329        pAudioPlayer->mSfPlayer->armLooper();
1330
1331        object_unlock_exclusive(&pAudioPlayer->mObject);
1332
1333        switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) {
1334            case SL_DATALOCATOR_URI:
1335                pAudioPlayer->mSfPlayer->setDataSource(
1336                        (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI);
1337                break;
1338            case SL_DATALOCATOR_ANDROIDFD: {
1339                int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset;
1340                pAudioPlayer->mSfPlayer->setDataSource(
1341                        (int)pAudioPlayer->mDataSource.mLocator.mFD.fd,
1342                        offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ?
1343                                (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset,
1344                        (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length);
1345                }
1346                break;
1347            default:
1348                SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR);
1349                break;
1350        }
1351
1352        }
1353        break;
1354    //-----------------------------------
1355    // StreamPlayer
1356    case A_PLR_TS_ABQ: {
1357        object_lock_exclusive(&pAudioPlayer->mObject);
1358
1359        android_StreamPlayer_realize_l(pAudioPlayer, sfplayer_handlePrefetchEvent,
1360                (void*)pAudioPlayer);
1361
1362        object_unlock_exclusive(&pAudioPlayer->mObject);
1363        }
1364        break;
1365    //-----------------------------------
1366    // AudioToCbRenderer
1367    case A_PLR_URIFD_ASQ: {
1368        object_lock_exclusive(&pAudioPlayer->mObject);
1369
1370        AudioPlayback_Parameters app;
1371        app.sessionId = pAudioPlayer->mSessionId;
1372        app.streamType = pAudioPlayer->mStreamType;
1373
1374        android::AudioToCbRenderer* decoder = new android::AudioToCbRenderer(&app);
1375        pAudioPlayer->mAPlayer = decoder;
1376        decoder->setDataPushListener(adecoder_writeToBufferQueue, (void*)pAudioPlayer);
1377        decoder->init(sfplayer_handlePrefetchEvent, (void*)pAudioPlayer);
1378
1379        switch (pAudioPlayer->mDataSource.mLocator.mLocatorType) {
1380        case SL_DATALOCATOR_URI:
1381            decoder->setDataSource(
1382                    (const char*)pAudioPlayer->mDataSource.mLocator.mURI.URI);
1383            break;
1384        case SL_DATALOCATOR_ANDROIDFD: {
1385            int64_t offset = (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.offset;
1386            decoder->setDataSource(
1387                    (int)pAudioPlayer->mDataSource.mLocator.mFD.fd,
1388                    offset == SL_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ?
1389                            (int64_t)PLAYER_FD_FIND_FILE_SIZE : offset,
1390                            (int64_t)pAudioPlayer->mDataSource.mLocator.mFD.length);
1391            }
1392            break;
1393        default:
1394            SL_LOGE(ERROR_PLAYERREALIZE_UNKNOWN_DATASOURCE_LOCATOR);
1395            break;
1396        }
1397
1398        object_unlock_exclusive(&pAudioPlayer->mObject);
1399        }
1400        break;
1401    //-----------------------------------
1402    default:
1403        SL_LOGE(ERROR_PLAYERREALIZE_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType);
1404        result = SL_RESULT_INTERNAL_ERROR;
1405        break;
1406    }
1407
1408
1409    // proceed with effect initialization
1410    // initialize EQ
1411    // FIXME use a table of effect descriptors when adding support for more effects
1412    if (memcmp(SL_IID_EQUALIZER, &pAudioPlayer->mEqualizer.mEqDescriptor.type,
1413            sizeof(effect_uuid_t)) == 0) {
1414        SL_LOGV("Need to initialize EQ for AudioPlayer=%p", pAudioPlayer);
1415        android_eq_init(pAudioPlayer->mSessionId, &pAudioPlayer->mEqualizer);
1416    }
1417    // initialize BassBoost
1418    if (memcmp(SL_IID_BASSBOOST, &pAudioPlayer->mBassBoost.mBassBoostDescriptor.type,
1419            sizeof(effect_uuid_t)) == 0) {
1420        SL_LOGV("Need to initialize BassBoost for AudioPlayer=%p", pAudioPlayer);
1421        android_bb_init(pAudioPlayer->mSessionId, &pAudioPlayer->mBassBoost);
1422    }
1423    // initialize Virtualizer
1424    if (memcmp(SL_IID_VIRTUALIZER, &pAudioPlayer->mVirtualizer.mVirtualizerDescriptor.type,
1425               sizeof(effect_uuid_t)) == 0) {
1426        SL_LOGV("Need to initialize Virtualizer for AudioPlayer=%p", pAudioPlayer);
1427        android_virt_init(pAudioPlayer->mSessionId, &pAudioPlayer->mVirtualizer);
1428    }
1429
1430    // initialize EffectSend
1431    // FIXME initialize EffectSend
1432
1433    return result;
1434}
1435
1436
1437//-----------------------------------------------------------------------------
1438SLresult android_audioPlayer_destroy(CAudioPlayer *pAudioPlayer) {
1439    SLresult result = SL_RESULT_SUCCESS;
1440    SL_LOGV("android_audioPlayer_destroy(%p)", pAudioPlayer);
1441    switch (pAudioPlayer->mAndroidObjType) {
1442    //-----------------------------------
1443    // AudioTrack
1444    case A_PLR_PCM_BQ:
1445        // We own the audio track for PCM buffer queue players
1446        if (pAudioPlayer->mAudioTrack != NULL) {
1447            pAudioPlayer->mAudioTrack->stop();
1448            delete pAudioPlayer->mAudioTrack;
1449            pAudioPlayer->mAudioTrack = NULL;
1450        }
1451        break;
1452    //-----------------------------------
1453    // MediaPlayer
1454    case A_PLR_URIFD:
1455        // We don't own this audio track, SfPlayer does
1456        pAudioPlayer->mAudioTrack = NULL;
1457        // FIXME might no longer be needed since we call explicit destructor
1458        pAudioPlayer->mSfPlayer.clear();
1459        break;
1460    //-----------------------------------
1461    // StreamPlayer
1462    case A_PLR_TS_ABQ:                   // intended fall-through
1463    //-----------------------------------
1464    // AudioToCbRenderer
1465    case A_PLR_URIFD_ASQ:
1466        pAudioPlayer->mAPlayer.clear();
1467        break;
1468    //-----------------------------------
1469    default:
1470        SL_LOGE(ERROR_PLAYERDESTROY_UNEXPECTED_OBJECT_TYPE_D, pAudioPlayer->mAndroidObjType);
1471        result = SL_RESULT_INTERNAL_ERROR;
1472        break;
1473    }
1474
1475    // FIXME might not be needed
1476    pAudioPlayer->mAndroidObjType = INVALID_TYPE;
1477
1478    // explicit destructor
1479    pAudioPlayer->mSfPlayer.~sp();
1480    pAudioPlayer->mAuxEffect.~sp();
1481    pAudioPlayer->mAPlayer.~sp();
1482
1483    if (pAudioPlayer->mpLock != NULL) {
1484        delete pAudioPlayer->mpLock;
1485        pAudioPlayer->mpLock = NULL;
1486    }
1487
1488    return result;
1489}
1490
1491
1492//-----------------------------------------------------------------------------
1493SLresult android_audioPlayer_setPlayRate(CAudioPlayer *ap, SLpermille rate, bool lockAP) {
1494    SLresult result = SL_RESULT_SUCCESS;
1495    uint32_t contentRate = 0;
1496    switch(ap->mAndroidObjType) {
1497    case A_PLR_PCM_BQ:
1498    case A_PLR_URIFD: {
1499        // get the content sample rate
1500        if (lockAP) { object_lock_shared(&ap->mObject); }
1501        uint32_t contentRate = sles_to_android_sampleRate(ap->mSampleRateMilliHz);
1502        if (lockAP) { object_unlock_shared(&ap->mObject); }
1503        // apply the SL ES playback rate on the AudioTrack as a factor of its content sample rate
1504        if (ap->mAudioTrack != NULL) {
1505            ap->mAudioTrack->setSampleRate(contentRate * (rate/1000.0f));
1506        }
1507        }
1508        break;
1509
1510    default:
1511        SL_LOGE("Unexpected object type %d", ap->mAndroidObjType);
1512        result = SL_RESULT_INTERNAL_ERROR;
1513        break;
1514    }
1515    return result;
1516}
1517
1518
1519//-----------------------------------------------------------------------------
1520// called with no lock held
1521SLresult android_audioPlayer_setPlaybackRateBehavior(CAudioPlayer *ap,
1522        SLuint32 constraints) {
1523    SLresult result = SL_RESULT_SUCCESS;
1524    switch(ap->mAndroidObjType) {
1525    case A_PLR_PCM_BQ:
1526    case A_PLR_URIFD:
1527        if (constraints != (constraints & SL_RATEPROP_NOPITCHCORAUDIO)) {
1528            result = SL_RESULT_FEATURE_UNSUPPORTED;
1529        }
1530        break;
1531    default:
1532        SL_LOGE("Unexpected object type %d", ap->mAndroidObjType);
1533        result = SL_RESULT_INTERNAL_ERROR;
1534        break;
1535    }
1536    return result;
1537}
1538
1539
1540//-----------------------------------------------------------------------------
1541// called with no lock held
1542SLresult android_audioPlayer_getCapabilitiesOfRate(CAudioPlayer *ap,
1543        SLuint32 *pCapabilities) {
1544    switch(ap->mAndroidObjType) {
1545    case A_PLR_PCM_BQ:
1546    case A_PLR_URIFD:
1547        *pCapabilities = SL_RATEPROP_NOPITCHCORAUDIO;
1548        break;
1549    default:
1550        *pCapabilities = 0;
1551        break;
1552    }
1553    return SL_RESULT_SUCCESS;
1554}
1555
1556
1557//-----------------------------------------------------------------------------
1558void android_audioPlayer_setPlayState(CAudioPlayer *ap, bool lockAP) {
1559
1560    if (lockAP) { object_lock_shared(&ap->mObject); }
1561    SLuint32 playState = ap->mPlay.mState;
1562    AndroidObject_state objState = ap->mAndroidObjState;
1563    if (lockAP) { object_unlock_shared(&ap->mObject); }
1564
1565    switch(ap->mAndroidObjType) {
1566    case A_PLR_PCM_BQ:
1567        switch (playState) {
1568        case SL_PLAYSTATE_STOPPED:
1569            SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED");
1570            if (NULL != ap->mAudioTrack) {
1571                ap->mAudioTrack->stop();
1572            }
1573            break;
1574        case SL_PLAYSTATE_PAUSED:
1575            SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED");
1576            if (NULL != ap->mAudioTrack) {
1577                ap->mAudioTrack->pause();
1578            }
1579            break;
1580        case SL_PLAYSTATE_PLAYING:
1581            SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING");
1582            if (NULL != ap->mAudioTrack) {
1583                ap->mAudioTrack->start();
1584            }
1585            break;
1586        default:
1587            // checked by caller, should not happen
1588            break;
1589        }
1590        break;
1591
1592    case A_PLR_URIFD:
1593        switch (playState) {
1594        case SL_PLAYSTATE_STOPPED: {
1595            SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_STOPPED");
1596            if (ap->mSfPlayer != 0) {
1597                ap->mSfPlayer->stop();
1598            }
1599            }
1600            break;
1601        case SL_PLAYSTATE_PAUSED: {
1602            SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PAUSED");
1603            switch(objState) {
1604                case ANDROID_UNINITIALIZED:
1605                    sfplayer_prepare(ap, lockAP);
1606                    break;
1607                caseANDROID_PREPARING:
1608                    break;
1609                case ANDROID_READY:
1610                    if (ap->mSfPlayer != 0) {
1611                        ap->mSfPlayer->pause();
1612                    }
1613                    break;
1614                default:
1615                    break;
1616            }
1617            }
1618            break;
1619        case SL_PLAYSTATE_PLAYING: {
1620            SL_LOGV("setting AudioPlayer to SL_PLAYSTATE_PLAYING");
1621            switch(objState) {
1622                case ANDROID_UNINITIALIZED:
1623                    sfplayer_prepare(ap, lockAP);
1624                    // fall through
1625                case ANDROID_PREPARING:
1626                case ANDROID_READY:
1627                    if (ap->mSfPlayer != 0) {
1628                        ap->mSfPlayer->play();
1629                    }
1630                    break;
1631                default:
1632                    break;
1633            }
1634            }
1635            break;
1636
1637        default:
1638            // checked by caller, should not happen
1639            break;
1640        }
1641        break;
1642
1643    case A_PLR_TS_ABQ:     // intended fall-through
1644    case A_PLR_URIFD_ASQ:
1645        // FIXME report and use the return code to the lock mechanism, which is where play state
1646        //   changes are updated (see object_unlock_exclusive_attributes())
1647        aplayer_setPlayState(ap->mAPlayer, playState, &(ap->mAndroidObjState));
1648        break;
1649    default:
1650        SL_LOGE(ERROR_PLAYERSETPLAYSTATE_UNEXPECTED_OBJECT_TYPE_D, ap->mAndroidObjType);
1651        break;
1652    }
1653}
1654
1655
1656//-----------------------------------------------------------------------------
1657void android_audioPlayer_useEventMask(CAudioPlayer *ap) {
1658    IPlay *pPlayItf = &ap->mPlay;
1659    SLuint32 eventFlags = pPlayItf->mEventFlags;
1660    /*switch(ap->mAndroidObjType) {
1661    case A_PLR_PCM_BQ:*/
1662
1663    if (NULL == ap->mAudioTrack) {
1664        return;
1665    }
1666
1667    if (eventFlags & SL_PLAYEVENT_HEADATMARKER) {
1668        ap->mAudioTrack->setMarkerPosition((uint32_t)((((int64_t)pPlayItf->mMarkerPosition
1669                * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000));
1670    } else {
1671        // clear marker
1672        ap->mAudioTrack->setMarkerPosition(0);
1673    }
1674
1675    if (eventFlags & SL_PLAYEVENT_HEADATNEWPOS) {
1676         ap->mAudioTrack->setPositionUpdatePeriod(
1677                (uint32_t)((((int64_t)pPlayItf->mPositionUpdatePeriod
1678                * sles_to_android_sampleRate(ap->mSampleRateMilliHz)))/1000));
1679    } else {
1680        // clear periodic update
1681        ap->mAudioTrack->setPositionUpdatePeriod(0);
1682    }
1683
1684    if (eventFlags & SL_PLAYEVENT_HEADATEND) {
1685        // nothing to do for SL_PLAYEVENT_HEADATEND, callback event will be checked against mask
1686    }
1687
1688    if (eventFlags & SL_PLAYEVENT_HEADMOVING) {
1689        // FIXME support SL_PLAYEVENT_HEADMOVING
1690        SL_LOGD("[ FIXME: IPlay_SetCallbackEventsMask(SL_PLAYEVENT_HEADMOVING) on an "
1691            "SL_OBJECTID_AUDIOPLAYER to be implemented ]");
1692    }
1693    if (eventFlags & SL_PLAYEVENT_HEADSTALLED) {
1694        // nothing to do for SL_PLAYEVENT_HEADSTALLED, callback event will be checked against mask
1695    }
1696
1697}
1698
1699
1700//-----------------------------------------------------------------------------
1701SLresult android_audioPlayer_getDuration(IPlay *pPlayItf, SLmillisecond *pDurMsec) {
1702    CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis;
1703    switch(ap->mAndroidObjType) {
1704    case A_PLR_PCM_BQ:
1705        *pDurMsec = SL_TIME_UNKNOWN;
1706        // FIXME if the data source is not a buffer queue, and the audio data is saved in
1707        //       shared memory with the mixer process, the duration is the size of the buffer
1708        SL_LOGD("FIXME: android_audioPlayer_getDuration() verify if duration can be retrieved");
1709        break;
1710    case A_PLR_URIFD: {
1711        int64_t durationUsec = SL_TIME_UNKNOWN;
1712        if (ap->mSfPlayer != 0) {
1713            durationUsec = ap->mSfPlayer->getDurationUsec();
1714            *pDurMsec = durationUsec == -1 ? SL_TIME_UNKNOWN : durationUsec / 1000;
1715        }
1716        }
1717        break;
1718    default:
1719        break;
1720    }
1721    return SL_RESULT_SUCCESS;
1722}
1723
1724
1725//-----------------------------------------------------------------------------
1726void android_audioPlayer_getPosition(IPlay *pPlayItf, SLmillisecond *pPosMsec) {
1727    CAudioPlayer *ap = (CAudioPlayer *)pPlayItf->mThis;
1728    switch(ap->mAndroidObjType) {
1729    case A_PLR_PCM_BQ:
1730        if ((ap->mSampleRateMilliHz == 0) || (NULL == ap->mAudioTrack)) {
1731            *pPosMsec = 0;
1732        } else {
1733            uint32_t positionInFrames;
1734            ap->mAudioTrack->getPosition(&positionInFrames);
1735            *pPosMsec = ((int64_t)positionInFrames * 1000) /
1736                    sles_to_android_sampleRate(ap->mSampleRateMilliHz);
1737        }
1738        break;
1739    case A_PLR_URIFD:
1740        if (ap->mSfPlayer != 0) {
1741            *pPosMsec = ap->mSfPlayer->getPositionMsec();
1742        } else {
1743            *pPosMsec = 0;
1744        }
1745        break;
1746    default:
1747        break;
1748    }
1749}
1750
1751
1752//-----------------------------------------------------------------------------
1753void android_audioPlayer_seek(CAudioPlayer *ap, SLmillisecond posMsec) {
1754
1755    switch(ap->mAndroidObjType) {
1756    case A_PLR_PCM_BQ:
1757        break;
1758    case A_PLR_URIFD:
1759        if (ap->mSfPlayer != 0) {
1760            ap->mSfPlayer->seek(posMsec);
1761        }
1762        break;
1763    default:
1764        break;
1765    }
1766}
1767
1768
1769//-----------------------------------------------------------------------------
1770void android_audioPlayer_loop(CAudioPlayer *ap, SLboolean loopEnable) {
1771
1772    if ((A_PLR_URIFD == ap->mAndroidObjType) && (ap->mSfPlayer != 0)) {
1773        ap->mSfPlayer->loop((bool)loopEnable);
1774    }
1775}
1776
1777
1778//-----------------------------------------------------------------------------
1779/*
1780 * Mutes or unmutes the Android media framework object associated with the CAudioPlayer that carries
1781 * the IVolume interface.
1782 * Pre-condition:
1783 *   if ap->mMute is SL_BOOLEAN_FALSE, a call to this function was preceded by a call
1784 *   to android_audioPlayer_volumeUpdate()
1785 */
1786static void android_audioPlayer_setMute(CAudioPlayer* ap) {
1787    android::AudioTrack *t = NULL;
1788    switch(ap->mAndroidObjType) {
1789    case A_PLR_PCM_BQ:
1790    case A_PLR_URIFD:
1791        t = ap->mAudioTrack;
1792        break;
1793    default:
1794        break;
1795    }
1796    // when unmuting: volume levels have already been updated in IVolume_SetMute
1797    if (NULL != t) {
1798        t->mute(ap->mMute);
1799    }
1800}
1801
1802
1803//-----------------------------------------------------------------------------
1804SLresult android_audioPlayer_volumeUpdate(CAudioPlayer* ap) {
1805    android_audioPlayer_updateStereoVolume(ap);
1806    android_audioPlayer_setMute(ap);
1807    return SL_RESULT_SUCCESS;
1808}
1809
1810
1811//-----------------------------------------------------------------------------
1812void android_audioPlayer_bufferQueue_onRefilled(CAudioPlayer *ap) {
1813    // the AudioTrack associated with the AudioPlayer receiving audio from a PCM buffer
1814    // queue was stopped when the queue become empty, we restart as soon as a new buffer
1815    // has been enqueued since we're in playing state
1816    if (NULL != ap->mAudioTrack) {
1817        ap->mAudioTrack->start();
1818    }
1819
1820    // when the queue became empty, an underflow on the prefetch status itf was sent. Now the queue
1821    // has received new data, signal it has sufficient data
1822    if (IsInterfaceInitialized(&(ap->mObject), MPH_PREFETCHSTATUS)) {
1823        audioPlayer_dispatch_prefetchStatus_lockPrefetch(ap, SL_PREFETCHSTATUS_SUFFICIENTDATA,
1824            true);
1825    }
1826}
1827
1828
1829//-----------------------------------------------------------------------------
1830/*
1831 * BufferQueue::Clear
1832 */
1833SLresult android_audioPlayer_bufferQueue_onClear(CAudioPlayer *ap) {
1834    SLresult result = SL_RESULT_SUCCESS;
1835
1836    switch (ap->mAndroidObjType) {
1837    //-----------------------------------
1838    // AudioTrack
1839    case A_PLR_PCM_BQ:
1840        if (NULL != ap->mAudioTrack) {
1841            ap->mAudioTrack->flush();
1842        }
1843        break;
1844    default:
1845        result = SL_RESULT_INTERNAL_ERROR;
1846        break;
1847    }
1848
1849    return result;
1850}
1851
1852
1853//-----------------------------------------------------------------------------
1854// abqSrc_callBack_pullFromBuffQueue is implemented in AndroidBufferQueueSource.cpp
1855void android_audioPlayer_androidBufferQueue_registerCallback_l(CAudioPlayer *ap) {
1856    if ((ap->mAndroidObjType == A_PLR_TS_ABQ) && (ap->mAPlayer != 0)) {
1857        android::StreamPlayer* splr = static_cast<android::StreamPlayer*>(ap->mAPlayer.get());
1858        splr->registerQueueCallback(
1859                ap->mAndroidBufferQueue.mCallback,
1860                abqSrc_callBack_pullFromBuffQueue,
1861                (const void*)ap, true /*userIsAudioPlayer*/,
1862                ap->mAndroidBufferQueue.mContext,
1863                (const void*)&(ap->mAndroidBufferQueue.mItf));
1864    }
1865}
1866
1867//-----------------------------------------------------------------------------
1868void android_audioPlayer_androidBufferQueue_clear_l(CAudioPlayer *ap) {
1869    if (ap->mAndroidObjType == A_PLR_TS_ABQ) {
1870        android_StreamPlayer_clear_l(ap);
1871    }
1872}
1873
1874void android_audioPlayer_androidBufferQueue_enqueue_l(CAudioPlayer *ap,
1875        SLuint32 bufferId, SLuint32 length, SLuint32 event, void *pData) {
1876    if (ap->mAndroidObjType == A_PLR_TS_ABQ) {
1877        android_StreamPlayer_enqueue_l(ap, bufferId, length, event, pData);
1878    }
1879}
1880