forked from AntennaPod/AntennaPod
-
Notifications
You must be signed in to change notification settings - Fork 0
/
LocalPSMP.java
758 lines (683 loc) · 29.4 KB
/
LocalPSMP.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
package de.danoeh.antennapod.core.service.playback;
import android.app.UiModeManager;
import android.content.Context;
import android.content.res.Configuration;
import android.media.AudioManager;
import android.os.Handler;
import android.os.Looper;
import android.util.Log;
import android.util.Pair;
import android.view.SurfaceHolder;
import androidx.annotation.NonNull;
import androidx.media.AudioAttributesCompat;
import androidx.media.AudioFocusRequestCompat;
import androidx.media.AudioManagerCompat;
import de.danoeh.antennapod.core.feed.util.PlaybackSpeedUtils;
import de.danoeh.antennapod.event.PlayerErrorEvent;
import de.danoeh.antennapod.event.playback.BufferUpdateEvent;
import de.danoeh.antennapod.event.playback.SpeedChangedEvent;
import de.danoeh.antennapod.model.feed.FeedMedia;
import de.danoeh.antennapod.model.feed.FeedPreferences;
import de.danoeh.antennapod.model.feed.VolumeAdaptionSetting;
import de.danoeh.antennapod.model.playback.MediaType;
import de.danoeh.antennapod.model.playback.Playable;
import de.danoeh.antennapod.playback.base.PlaybackServiceMediaPlayer;
import de.danoeh.antennapod.playback.base.PlayerStatus;
import de.danoeh.antennapod.playback.base.RewindAfterPauseUtils;
import de.danoeh.antennapod.storage.preferences.UserPreferences;
import org.greenrobot.eventbus.EventBus;
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
/**
* Manages the MediaPlayer object of the PlaybackService.
*/
public class LocalPSMP extends PlaybackServiceMediaPlayer {
private static final String TAG = "LclPlaybackSvcMPlayer";
private final AudioManager audioManager;
private volatile PlayerStatus statusBeforeSeeking;
private volatile ExoPlayerWrapper mediaPlayer;
private volatile Playable media;
private volatile boolean stream;
private volatile MediaType mediaType;
private final AtomicBoolean startWhenPrepared;
private volatile boolean pausedBecauseOfTransientAudiofocusLoss;
private volatile Pair<Integer, Integer> videoSize;
private final AudioFocusRequestCompat audioFocusRequest;
private final Handler audioFocusCanceller;
private boolean isShutDown = false;
private CountDownLatch seekLatch;
public LocalPSMP(@NonNull Context context,
@NonNull PlaybackServiceMediaPlayer.PSMPCallback callback) {
super(context, callback);
this.audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
this.startWhenPrepared = new AtomicBoolean(false);
audioFocusCanceller = new Handler(Looper.getMainLooper());
mediaPlayer = null;
statusBeforeSeeking = null;
pausedBecauseOfTransientAudiofocusLoss = false;
mediaType = MediaType.UNKNOWN;
videoSize = null;
AudioAttributesCompat audioAttributes = new AudioAttributesCompat.Builder()
.setUsage(AudioAttributesCompat.USAGE_MEDIA)
.setContentType(AudioAttributesCompat.CONTENT_TYPE_SPEECH)
.build();
audioFocusRequest = new AudioFocusRequestCompat.Builder(AudioManagerCompat.AUDIOFOCUS_GAIN)
.setAudioAttributes(audioAttributes)
.setOnAudioFocusChangeListener(audioFocusChangeListener)
.setWillPauseWhenDucked(true)
.build();
}
/**
* Starts or prepares playback of the specified Playable object. If another Playable object is already being played, the currently playing
* episode will be stopped and replaced with the new Playable object. If the Playable object is already being played, the method will
* not do anything.
* Whether playback starts immediately depends on the given parameters. See below for more details.
* <p/>
* States:
* During execution of the method, the object will be in the INITIALIZING state. The end state depends on the given parameters.
* <p/>
* If 'prepareImmediately' is set to true, the method will go into PREPARING state and after that into PREPARED state. If
* 'startWhenPrepared' is set to true, the method will additionally go into PLAYING state.
* <p/>
* If an unexpected error occurs while loading the Playable's metadata or while setting the MediaPlayers data source, the object
* will enter the ERROR state.
* <p/>
* This method is executed on an internal executor service.
*
* @param playable The Playable object that is supposed to be played. This parameter must not be null.
* @param stream The type of playback. If false, the Playable object MUST provide access to a locally available file via
* getLocalMediaUrl. If true, the Playable object MUST provide access to a resource that can be streamed by
* the Android MediaPlayer via getStreamUrl.
* @param startWhenPrepared Sets the 'startWhenPrepared' flag. This flag determines whether playback will start immediately after the
* episode has been prepared for playback. Setting this flag to true does NOT mean that the episode will be prepared
* for playback immediately (see 'prepareImmediately' parameter for more details)
* @param prepareImmediately Set to true if the method should also prepare the episode for playback.
*/
@Override
public void playMediaObject(@NonNull final Playable playable, final boolean stream, final boolean startWhenPrepared, final boolean prepareImmediately) {
Log.d(TAG, "playMediaObject(...)");
try {
playMediaObject(playable, false, stream, startWhenPrepared, prepareImmediately);
} catch (RuntimeException e) {
e.printStackTrace();
throw e;
}
}
/**
* Internal implementation of playMediaObject. This method has an additional parameter that allows the caller to force a media player reset even if
* the given playable parameter is the same object as the currently playing media.
* <p/>
* This method requires the playerLock and is executed on the caller's thread.
*
* @see #playMediaObject(Playable, boolean, boolean, boolean)
*/
private void playMediaObject(@NonNull final Playable playable, final boolean forceReset, final boolean stream, final boolean startWhenPrepared, final boolean prepareImmediately) {
if (media != null) {
if (!forceReset && media.getIdentifier().equals(playable.getIdentifier())
&& playerStatus == PlayerStatus.PLAYING) {
// episode is already playing -> ignore method call
Log.d(TAG, "Method call to playMediaObject was ignored: media file already playing.");
return;
} else {
// stop playback of this episode
if (playerStatus == PlayerStatus.PAUSED || playerStatus == PlayerStatus.PLAYING || playerStatus == PlayerStatus.PREPARED) {
mediaPlayer.stop();
}
// set temporarily to pause in order to update list with current position
if (playerStatus == PlayerStatus.PLAYING) {
callback.onPlaybackPause(media, getPosition());
}
if (!media.getIdentifier().equals(playable.getIdentifier())) {
final Playable oldMedia = media;
callback.onPostPlayback(oldMedia, false, false, true);
}
setPlayerStatus(PlayerStatus.INDETERMINATE, null);
}
}
this.media = playable;
this.stream = stream;
this.mediaType = media.getMediaType();
this.videoSize = null;
createMediaPlayer();
LocalPSMP.this.startWhenPrepared.set(startWhenPrepared);
setPlayerStatus(PlayerStatus.INITIALIZING, media);
try {
callback.ensureMediaInfoLoaded(media);
callback.onMediaChanged(false);
setPlaybackParams(PlaybackSpeedUtils.getCurrentPlaybackSpeed(media), UserPreferences.isSkipSilence());
if (stream) {
if (playable instanceof FeedMedia) {
FeedMedia feedMedia = (FeedMedia) playable;
FeedPreferences preferences = feedMedia.getItem().getFeed().getPreferences();
mediaPlayer.setDataSource(
media.getStreamUrl(),
preferences.getUsername(),
preferences.getPassword());
} else {
mediaPlayer.setDataSource(media.getStreamUrl());
}
} else if (media.getLocalMediaUrl() != null && new File(media.getLocalMediaUrl()).canRead()) {
mediaPlayer.setDataSource(media.getLocalMediaUrl());
} else {
throw new IOException("Unable to read local file " + media.getLocalMediaUrl());
}
UiModeManager uiModeManager = (UiModeManager) context.getSystemService(Context.UI_MODE_SERVICE);
if (uiModeManager.getCurrentModeType() != Configuration.UI_MODE_TYPE_CAR) {
setPlayerStatus(PlayerStatus.INITIALIZED, media);
}
if (prepareImmediately) {
setPlayerStatus(PlayerStatus.PREPARING, media);
mediaPlayer.prepare();
onPrepared(startWhenPrepared);
}
} catch (IOException | IllegalStateException e) {
e.printStackTrace();
setPlayerStatus(PlayerStatus.ERROR, null);
EventBus.getDefault().postSticky(new PlayerErrorEvent(e.getLocalizedMessage()));
}
}
/**
* Resumes playback if the PSMP object is in PREPARED or PAUSED state. If the PSMP object is in an invalid state.
* nothing will happen.
* <p/>
* This method is executed on an internal executor service.
*/
@Override
public void resume() {
if (playerStatus == PlayerStatus.PAUSED || playerStatus == PlayerStatus.PREPARED) {
int focusGained = AudioManagerCompat.requestAudioFocus(audioManager, audioFocusRequest);
if (focusGained == AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
Log.d(TAG, "Audiofocus successfully requested");
Log.d(TAG, "Resuming/Starting playback");
acquireWifiLockIfNecessary();
setPlaybackParams(PlaybackSpeedUtils.getCurrentPlaybackSpeed(media), UserPreferences.isSkipSilence());
setVolume(1.0f, 1.0f);
if (playerStatus == PlayerStatus.PREPARED && media.getPosition() > 0) {
int newPosition = RewindAfterPauseUtils.calculatePositionWithRewind(
media.getPosition(),
media.getLastPlayedTime());
seekTo(newPosition);
}
mediaPlayer.start();
setPlayerStatus(PlayerStatus.PLAYING, media);
pausedBecauseOfTransientAudiofocusLoss = false;
} else {
Log.e(TAG, "Failed to request audio focus");
}
} else {
Log.d(TAG, "Call to resume() was ignored because current state of PSMP object is " + playerStatus);
}
}
/**
* Saves the current position and pauses playback. Note that, if audiofocus
* is abandoned, the lockscreen controls will also disapear.
* <p/>
* This method is executed on an internal executor service.
*
* @param abandonFocus is true if the service should release audio focus
* @param reinit is true if service should reinit after pausing if the media
* file is being streamed
*/
@Override
public void pause(final boolean abandonFocus, final boolean reinit) {
releaseWifiLockIfNecessary();
if (playerStatus == PlayerStatus.PLAYING) {
Log.d(TAG, "Pausing playback.");
mediaPlayer.pause();
setPlayerStatus(PlayerStatus.PAUSED, media, getPosition());
if (abandonFocus) {
abandonAudioFocus();
pausedBecauseOfTransientAudiofocusLoss = false;
}
if (stream && reinit) {
reinit();
}
} else {
Log.d(TAG, "Ignoring call to pause: Player is in " + playerStatus + " state");
}
}
private void abandonAudioFocus() {
AudioManagerCompat.abandonAudioFocusRequest(audioManager, audioFocusRequest);
}
/**
* Prepares media player for playback if the service is in the INITALIZED
* state.
* <p/>
* This method is executed on an internal executor service.
*/
@Override
public void prepare() {
if (playerStatus == PlayerStatus.INITIALIZED) {
Log.d(TAG, "Preparing media player");
setPlayerStatus(PlayerStatus.PREPARING, media);
mediaPlayer.prepare();
onPrepared(startWhenPrepared.get());
}
}
/**
* Called after media player has been prepared. This method is executed on the caller's thread.
*/
private void onPrepared(final boolean startWhenPrepared) {
if (playerStatus != PlayerStatus.PREPARING) {
throw new IllegalStateException("Player is not in PREPARING state");
}
Log.d(TAG, "Resource prepared");
if (mediaType == MediaType.VIDEO) {
videoSize = new Pair<>(mediaPlayer.getVideoWidth(), mediaPlayer.getVideoHeight());
}
// TODO this call has no effect!
if (media.getPosition() > 0) {
seekTo(media.getPosition());
}
if (media.getDuration() <= 0) {
Log.d(TAG, "Setting duration of media");
media.setDuration(mediaPlayer.getDuration());
}
setPlayerStatus(PlayerStatus.PREPARED, media);
if (startWhenPrepared) {
resume();
}
}
/**
* Resets the media player and moves it into INITIALIZED state.
* <p/>
* This method is executed on an internal executor service.
*/
@Override
public void reinit() {
Log.d(TAG, "reinit()");
releaseWifiLockIfNecessary();
if (media != null) {
playMediaObject(media, true, stream, startWhenPrepared.get(), false);
} else if (mediaPlayer != null) {
mediaPlayer.reset();
} else {
Log.d(TAG, "Call to reinit was ignored: media and mediaPlayer were null");
}
}
/**
* Seeks to the specified position. If the PSMP object is in an invalid state, this method will do nothing.
* Invalid time values (< 0) will be ignored.
* <p/>
* This method is executed on an internal executor service.
*/
@Override
public void seekTo(int t) {
if (t < 0) {
t = 0;
}
if (t >= getDuration()) {
Log.d(TAG, "Seek reached end of file, skipping to next episode");
endPlayback(true, true, true, true);
return;
}
if (playerStatus == PlayerStatus.PLAYING
|| playerStatus == PlayerStatus.PAUSED
|| playerStatus == PlayerStatus.PREPARED) {
if(seekLatch != null && seekLatch.getCount() > 0) {
try {
seekLatch.await(3, TimeUnit.SECONDS);
} catch (InterruptedException e) {
Log.e(TAG, Log.getStackTraceString(e));
}
}
seekLatch = new CountDownLatch(1);
statusBeforeSeeking = playerStatus;
setPlayerStatus(PlayerStatus.SEEKING, media, getPosition());
mediaPlayer.seekTo(t);
if (statusBeforeSeeking == PlayerStatus.PREPARED) {
media.setPosition(t);
}
try {
seekLatch.await(3, TimeUnit.SECONDS);
} catch (InterruptedException e) {
Log.e(TAG, Log.getStackTraceString(e));
}
} else if (playerStatus == PlayerStatus.INITIALIZED) {
media.setPosition(t);
startWhenPrepared.set(false);
prepare();
}
}
/**
* Seek a specific position from the current position
*
* @param d offset from current position (positive or negative)
*/
@Override
public void seekDelta(final int d) {
int currentPosition = getPosition();
if (currentPosition != Playable.INVALID_TIME) {
seekTo(currentPosition + d);
} else {
Log.e(TAG, "getPosition() returned INVALID_TIME in seekDelta");
}
}
/**
* Returns the duration of the current media object or INVALID_TIME if the duration could not be retrieved.
*/
@Override
public int getDuration() {
int retVal = Playable.INVALID_TIME;
if (playerStatus == PlayerStatus.PLAYING
|| playerStatus == PlayerStatus.PAUSED
|| playerStatus == PlayerStatus.PREPARED) {
retVal = mediaPlayer.getDuration();
}
if (retVal <= 0 && media != null && media.getDuration() > 0) {
retVal = media.getDuration();
}
return retVal;
}
/**
* Returns the position of the current media object or INVALID_TIME if the position could not be retrieved.
*/
@Override
public int getPosition() {
int retVal = Playable.INVALID_TIME;
if (playerStatus.isAtLeast(PlayerStatus.PREPARED)) {
retVal = mediaPlayer.getCurrentPosition();
}
if (retVal <= 0 && media != null && media.getPosition() >= 0) {
retVal = media.getPosition();
}
return retVal;
}
@Override
public boolean isStartWhenPrepared() {
return startWhenPrepared.get();
}
@Override
public void setStartWhenPrepared(boolean startWhenPrepared) {
this.startWhenPrepared.set(startWhenPrepared);
}
/**
* Sets the playback speed.
* This method is executed on an internal executor service.
*/
@Override
public void setPlaybackParams(final float speed, final boolean skipSilence) {
Log.d(TAG, "Playback speed was set to " + speed);
EventBus.getDefault().post(new SpeedChangedEvent(speed));
mediaPlayer.setPlaybackParams(speed, skipSilence);
}
/**
* Returns the current playback speed. If the playback speed could not be retrieved, 1 is returned.
*/
@Override
public float getPlaybackSpeed() {
float retVal = 1;
if ((playerStatus == PlayerStatus.PLAYING
|| playerStatus == PlayerStatus.PAUSED
|| playerStatus == PlayerStatus.INITIALIZED
|| playerStatus == PlayerStatus.PREPARED)) {
retVal = mediaPlayer.getCurrentSpeedMultiplier();
}
return retVal;
}
/**
* Sets the playback volume.
* This method is executed on an internal executor service.
*/
@Override
public void setVolume(float volumeLeft, float volumeRight) {
Playable playable = getPlayable();
if (playable instanceof FeedMedia) {
FeedMedia feedMedia = (FeedMedia) playable;
FeedPreferences preferences = feedMedia.getItem().getFeed().getPreferences();
VolumeAdaptionSetting volumeAdaptionSetting = preferences.getVolumeAdaptionSetting();
float adaptionFactor = volumeAdaptionSetting.getAdaptionFactor();
volumeLeft *= adaptionFactor;
volumeRight *= adaptionFactor;
}
mediaPlayer.setVolume(volumeLeft, volumeRight);
Log.d(TAG, "Media player volume was set to " + volumeLeft + " " + volumeRight);
}
@Override
public MediaType getCurrentMediaType() {
return mediaType;
}
@Override
public boolean isStreaming() {
return stream;
}
/**
* Releases internally used resources. This method should only be called when the object is not used anymore.
*/
@Override
public void shutdown() {
if (mediaPlayer != null) {
try {
clearMediaPlayerListeners();
if (mediaPlayer.isPlaying()) {
mediaPlayer.stop();
}
} catch (Exception e) {
e.printStackTrace();
}
mediaPlayer.release();
mediaPlayer = null;
playerStatus = PlayerStatus.STOPPED;
}
isShutDown = true;
abandonAudioFocus();
releaseWifiLockIfNecessary();
}
@Override
public void setVideoSurface(final SurfaceHolder surface) {
if (mediaPlayer != null) {
mediaPlayer.setDisplay(surface);
}
}
@Override
public void resetVideoSurface() {
if (mediaType == MediaType.VIDEO) {
Log.d(TAG, "Resetting video surface");
mediaPlayer.setDisplay(null);
reinit();
} else {
Log.e(TAG, "Resetting video surface for media of Audio type");
}
}
/**
* Return width and height of the currently playing video as a pair.
*
* @return Width and height as a Pair or null if the video size could not be determined. The method might still
* return an invalid non-null value if the getVideoWidth() and getVideoHeight() methods of the media player return
* invalid values.
*/
@Override
public Pair<Integer, Integer> getVideoSize() {
if (mediaPlayer != null && playerStatus != PlayerStatus.ERROR && mediaType == MediaType.VIDEO) {
videoSize = new Pair<>(mediaPlayer.getVideoWidth(), mediaPlayer.getVideoHeight());
}
return videoSize;
}
/**
* Returns the current media, if you need the media and the player status together, you should
* use getPSMPInfo() to make sure they're properly synchronized. Otherwise a race condition
* could result in nonsensical results (like a status of PLAYING, but a null playable)
* @return the current media. May be null
*/
@Override
public Playable getPlayable() {
return media;
}
@Override
protected void setPlayable(Playable playable) {
media = playable;
}
public List<String> getAudioTracks() {
return mediaPlayer.getAudioTracks();
}
public void setAudioTrack(int track) {
mediaPlayer.setAudioTrack(track);
}
public int getSelectedAudioTrack() {
return mediaPlayer.getSelectedAudioTrack();
}
private void createMediaPlayer() {
if (mediaPlayer != null) {
mediaPlayer.release();
}
if (media == null) {
mediaPlayer = null;
playerStatus = PlayerStatus.STOPPED;
return;
}
mediaPlayer = new ExoPlayerWrapper(context);
mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
setMediaPlayerListeners(mediaPlayer);
}
private final AudioManager.OnAudioFocusChangeListener audioFocusChangeListener = new AudioManager.OnAudioFocusChangeListener() {
@Override
public void onAudioFocusChange(final int focusChange) {
if (isShutDown) {
return;
}
if (!PlaybackService.isRunning) {
abandonAudioFocus();
Log.d(TAG, "onAudioFocusChange: PlaybackService is no longer running");
return;
}
if (focusChange == AudioManager.AUDIOFOCUS_LOSS) {
Log.d(TAG, "Lost audio focus");
pause(true, false);
callback.shouldStop();
} else if (focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK
&& !UserPreferences.shouldPauseForFocusLoss()) {
if (playerStatus == PlayerStatus.PLAYING) {
Log.d(TAG, "Lost audio focus temporarily. Ducking...");
setVolume(0.25f, 0.25f);
pausedBecauseOfTransientAudiofocusLoss = false;
}
} else if (focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT
|| focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK) {
if (playerStatus == PlayerStatus.PLAYING) {
Log.d(TAG, "Lost audio focus temporarily. Pausing...");
mediaPlayer.pause(); // Pause without telling the PlaybackService
pausedBecauseOfTransientAudiofocusLoss = true;
audioFocusCanceller.removeCallbacksAndMessages(null);
audioFocusCanceller.postDelayed(() -> {
if (pausedBecauseOfTransientAudiofocusLoss) {
// Still did not get back the audio focus. Now actually pause.
pause(true, false);
}
}, 30000);
}
} else if (focusChange == AudioManager.AUDIOFOCUS_GAIN) {
Log.d(TAG, "Gained audio focus");
audioFocusCanceller.removeCallbacksAndMessages(null);
if (pausedBecauseOfTransientAudiofocusLoss) { // we paused => play now
mediaPlayer.start();
} else { // we ducked => raise audio level back
setVolume(1.0f, 1.0f);
}
pausedBecauseOfTransientAudiofocusLoss = false;
}
}
};
@Override
protected void endPlayback(final boolean hasEnded, final boolean wasSkipped,
final boolean shouldContinue, final boolean toStoppedState) {
releaseWifiLockIfNecessary();
boolean isPlaying = playerStatus == PlayerStatus.PLAYING;
// we're relying on the position stored in the Playable object for post-playback processing
if (media != null) {
int position = getPosition();
if (position >= 0) {
media.setPosition(position);
}
}
if (mediaPlayer != null) {
mediaPlayer.reset();
}
abandonAudioFocus();
final Playable currentMedia = media;
Playable nextMedia = null;
if (shouldContinue) {
// Load next episode if previous episode was in the queue and if there
// is an episode in the queue left.
// Start playback immediately if continuous playback is enabled
nextMedia = callback.getNextInQueue(currentMedia);
if (nextMedia != null) {
callback.onPlaybackEnded(nextMedia.getMediaType(), false);
// setting media to null signals to playMediaObject() that
// we're taking care of post-playback processing
media = null;
playMediaObject(nextMedia, false, !nextMedia.localFileAvailable(), isPlaying, isPlaying);
}
}
if (shouldContinue || toStoppedState) {
if (nextMedia == null) {
callback.onPlaybackEnded(null, true);
stop();
}
final boolean hasNext = nextMedia != null;
callback.onPostPlayback(currentMedia, hasEnded, wasSkipped, hasNext);
} else if (isPlaying) {
callback.onPlaybackPause(currentMedia, currentMedia.getPosition());
}
}
/**
* Moves the LocalPSMP into STOPPED state. This call is only valid if the player is currently in
* INDETERMINATE state, for example after a call to endPlayback.
* This method will only take care of changing the PlayerStatus of this object! Other tasks like
* abandoning audio focus have to be done with other methods.
*/
private void stop() {
releaseWifiLockIfNecessary();
if (playerStatus == PlayerStatus.INDETERMINATE) {
setPlayerStatus(PlayerStatus.STOPPED, null);
} else {
Log.d(TAG, "Ignored call to stop: Current player state is: " + playerStatus);
}
}
@Override
protected boolean shouldLockWifi() {
return stream;
}
private void setMediaPlayerListeners(ExoPlayerWrapper mp) {
if (mp == null || media == null) {
return;
}
mp.setOnCompletionListener(() -> endPlayback(true, false, true, true));
mp.setOnSeekCompleteListener(this::genericSeekCompleteListener);
mp.setOnBufferingUpdateListener(percent -> {
if (percent == ExoPlayerWrapper.BUFFERING_STARTED) {
EventBus.getDefault().post(BufferUpdateEvent.started());
} else if (percent == ExoPlayerWrapper.BUFFERING_ENDED) {
EventBus.getDefault().post(BufferUpdateEvent.ended());
} else {
EventBus.getDefault().post(BufferUpdateEvent.progressUpdate(0.01f * percent));
}
});
mp.setOnErrorListener(message -> EventBus.getDefault().postSticky(new PlayerErrorEvent(message)));
}
private void clearMediaPlayerListeners() {
mediaPlayer.setOnCompletionListener(() -> { });
mediaPlayer.setOnSeekCompleteListener(() -> { });
mediaPlayer.setOnBufferingUpdateListener(percent -> { });
mediaPlayer.setOnErrorListener(x -> { });
}
private void genericSeekCompleteListener() {
Log.d(TAG, "genericSeekCompleteListener");
if (seekLatch != null) {
seekLatch.countDown();
}
if (playerStatus == PlayerStatus.PLAYING) {
callback.onPlaybackStart(media, getPosition());
}
if (playerStatus == PlayerStatus.SEEKING) {
setPlayerStatus(statusBeforeSeeking, media, getPosition());
}
}
@Override
public boolean isCasting() {
return false;
}
}