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NewPipe/app/src/main/java/org/schabi/newpipe/player/BasePlayer.java

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/*
* Copyright 2017 Mauricio Colli <mauriciocolli@outlook.com>
* BasePlayer.java is part of NewPipe
*
* License: GPL-3.0+
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.schabi.newpipe.player;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.graphics.Bitmap;
import android.media.AudioManager;
import android.net.Uri;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.Toast;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.DefaultRenderersFactory;
import com.google.android.exoplayer2.ExoPlaybackException;
import com.google.android.exoplayer2.ExoPlayerFactory;
import com.google.android.exoplayer2.LoadControl;
import com.google.android.exoplayer2.PlaybackParameters;
import com.google.android.exoplayer2.Player;
import com.google.android.exoplayer2.RenderersFactory;
import com.google.android.exoplayer2.SimpleExoPlayer;
import com.google.android.exoplayer2.Timeline;
import com.google.android.exoplayer2.source.BehindLiveWindowException;
import com.google.android.exoplayer2.source.MediaSource;
import com.google.android.exoplayer2.source.TrackGroupArray;
import com.google.android.exoplayer2.trackselection.AdaptiveTrackSelection;
import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
import com.google.android.exoplayer2.upstream.DefaultBandwidthMeter;
import com.google.android.exoplayer2.util.Util;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.assist.FailReason;
import com.nostra13.universalimageloader.core.listener.ImageLoadingListener;
import org.schabi.newpipe.Downloader;
import org.schabi.newpipe.R;
import org.schabi.newpipe.extractor.stream.StreamInfo;
import org.schabi.newpipe.history.HistoryRecordManager;
import org.schabi.newpipe.player.helper.AudioReactor;
import org.schabi.newpipe.player.helper.LoadController;
import org.schabi.newpipe.player.helper.PlayerDataSource;
import org.schabi.newpipe.player.helper.PlayerHelper;
import org.schabi.newpipe.player.playback.CustomTrackSelector;
import org.schabi.newpipe.player.playback.MediaSourceManager;
import org.schabi.newpipe.player.playback.PlaybackListener;
import org.schabi.newpipe.playlist.PlayQueue;
import org.schabi.newpipe.playlist.PlayQueueAdapter;
import org.schabi.newpipe.playlist.PlayQueueItem;
import org.schabi.newpipe.util.SerializedCache;
import java.io.IOException;
import java.net.UnknownHostException;
import java.util.concurrent.TimeUnit;
import io.reactivex.Observable;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.CompositeDisposable;
import io.reactivex.disposables.Disposable;
import static com.google.android.exoplayer2.Player.DISCONTINUITY_REASON_INTERNAL;
import static com.google.android.exoplayer2.Player.DISCONTINUITY_REASON_PERIOD_TRANSITION;
import static com.google.android.exoplayer2.Player.DISCONTINUITY_REASON_SEEK;
import static com.google.android.exoplayer2.Player.DISCONTINUITY_REASON_SEEK_ADJUSTMENT;
import static org.schabi.newpipe.player.helper.PlayerHelper.getTimeString;
/**
* Base for the players, joining the common properties
*
* @author mauriciocolli
*/
@SuppressWarnings({"WeakerAccess"})
public abstract class BasePlayer implements
Player.EventListener, PlaybackListener, ImageLoadingListener {
public static final boolean DEBUG = true;
@NonNull public static final String TAG = "BasePlayer";
@NonNull final protected Context context;
@NonNull final protected BroadcastReceiver broadcastReceiver;
@NonNull final protected IntentFilter intentFilter;
@NonNull final protected HistoryRecordManager recordManager;
/*//////////////////////////////////////////////////////////////////////////
// Intent
//////////////////////////////////////////////////////////////////////////*/
public static final String REPEAT_MODE = "repeat_mode";
public static final String PLAYBACK_PITCH = "playback_pitch";
public static final String PLAYBACK_SPEED = "playback_speed";
public static final String PLAYBACK_QUALITY = "playback_quality";
public static final String PLAY_QUEUE_KEY = "play_queue_key";
public static final String APPEND_ONLY = "append_only";
public static final String SELECT_ON_APPEND = "select_on_append";
/*//////////////////////////////////////////////////////////////////////////
// Playback
//////////////////////////////////////////////////////////////////////////*/
protected static final float[] PLAYBACK_SPEEDS = {0.5f, 0.75f, 1f, 1.25f, 1.5f, 1.75f, 2f};
protected static final float[] PLAYBACK_PITCHES = {0.8f, 0.9f, 0.95f, 1f, 1.05f, 1.1f, 1.2f};
protected PlayQueue playQueue;
protected PlayQueueAdapter playQueueAdapter;
protected MediaSourceManager playbackManager;
protected StreamInfo currentInfo;
protected PlayQueueItem currentItem;
protected Toast errorToast;
/*//////////////////////////////////////////////////////////////////////////
// Player
//////////////////////////////////////////////////////////////////////////*/
protected final static int FAST_FORWARD_REWIND_AMOUNT = 10000; // 10 Seconds
protected final static int PLAY_PREV_ACTIVATION_LIMIT = 5000; // 5 seconds
protected final static int PROGRESS_LOOP_INTERVAL = 500;
protected final static int RECOVERY_SKIP_THRESHOLD = 3000; // 3 seconds
protected CustomTrackSelector trackSelector;
protected PlayerDataSource dataSource;
protected SimpleExoPlayer simpleExoPlayer;
protected AudioReactor audioReactor;
protected boolean isPrepared = false;
protected Disposable progressUpdateReactor;
protected CompositeDisposable databaseUpdateReactor;
//////////////////////////////////////////////////////////////////////////*/
public BasePlayer(@NonNull final Context context) {
this.context = context;
this.broadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
onBroadcastReceived(intent);
}
};
this.intentFilter = new IntentFilter();
setupBroadcastReceiver(intentFilter);
context.registerReceiver(broadcastReceiver, intentFilter);
this.recordManager = new HistoryRecordManager(context);
}
public void setup() {
if (simpleExoPlayer == null) initPlayer();
initListeners();
}
public void initPlayer() {
if (DEBUG) Log.d(TAG, "initPlayer() called with: context = [" + context + "]");
if (databaseUpdateReactor != null) databaseUpdateReactor.dispose();
databaseUpdateReactor = new CompositeDisposable();
final String userAgent = Downloader.USER_AGENT;
final DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter();
dataSource = new PlayerDataSource(context, userAgent, bandwidthMeter);
final AdaptiveTrackSelection.Factory trackSelectionFactory =
new AdaptiveTrackSelection.Factory(bandwidthMeter);
trackSelector = new CustomTrackSelector(trackSelectionFactory);
final LoadControl loadControl = new LoadController(context);
final RenderersFactory renderFactory = new DefaultRenderersFactory(context);
simpleExoPlayer = ExoPlayerFactory.newSimpleInstance(renderFactory, trackSelector, loadControl);
audioReactor = new AudioReactor(context, simpleExoPlayer);
simpleExoPlayer.addListener(this);
simpleExoPlayer.setPlayWhenReady(true);
simpleExoPlayer.setSeekParameters(PlayerHelper.getSeekParameters(context));
}
public void initListeners() {}
public void handleIntent(Intent intent) {
if (DEBUG) Log.d(TAG, "handleIntent() called with: intent = [" + intent + "]");
if (intent == null) return;
// Resolve play queue
if (!intent.hasExtra(PLAY_QUEUE_KEY)) return;
final String intentCacheKey = intent.getStringExtra(PLAY_QUEUE_KEY);
final PlayQueue queue = SerializedCache.getInstance().take(intentCacheKey, PlayQueue.class);
if (queue == null) return;
// Resolve append intents
if (intent.getBooleanExtra(APPEND_ONLY, false) && playQueue != null) {
int sizeBeforeAppend = playQueue.size();
playQueue.append(queue.getStreams());
if (intent.getBooleanExtra(SELECT_ON_APPEND, false) &&
queue.getStreams().size() > 0) {
playQueue.setIndex(sizeBeforeAppend);
}
return;
}
final int repeatMode = intent.getIntExtra(REPEAT_MODE, getRepeatMode());
final float playbackSpeed = intent.getFloatExtra(PLAYBACK_SPEED, getPlaybackSpeed());
final float playbackPitch = intent.getFloatExtra(PLAYBACK_PITCH, getPlaybackPitch());
// Good to go...
initPlayback(queue, repeatMode, playbackSpeed, playbackPitch);
}
protected void initPlayback(@NonNull final PlayQueue queue,
@Player.RepeatMode final int repeatMode,
final float playbackSpeed,
final float playbackPitch) {
destroyPlayer();
initPlayer();
setRepeatMode(repeatMode);
setPlaybackParameters(playbackSpeed, playbackPitch);
playQueue = queue;
playQueue.init();
playbackManager = new MediaSourceManager(this, playQueue);
if (playQueueAdapter != null) playQueueAdapter.dispose();
playQueueAdapter = new PlayQueueAdapter(context, playQueue);
}
public void destroyPlayer() {
if (DEBUG) Log.d(TAG, "destroyPlayer() called");
if (simpleExoPlayer != null) {
simpleExoPlayer.removeListener(this);
simpleExoPlayer.stop();
simpleExoPlayer.release();
}
if (isProgressLoopRunning()) stopProgressLoop();
if (playQueue != null) playQueue.dispose();
if (playbackManager != null) playbackManager.dispose();
if (audioReactor != null) audioReactor.abandonAudioFocus();
if (databaseUpdateReactor != null) databaseUpdateReactor.dispose();
if (playQueueAdapter != null) {
playQueueAdapter.unsetSelectedListener();
playQueueAdapter.dispose();
}
}
public void destroy() {
if (DEBUG) Log.d(TAG, "destroy() called");
destroyPlayer();
clearThumbnailCache();
unregisterBroadcastReceiver();
trackSelector = null;
simpleExoPlayer = null;
}
/*//////////////////////////////////////////////////////////////////////////
// Thumbnail Loading
//////////////////////////////////////////////////////////////////////////*/
public void initThumbnail(final String url) {
if (DEBUG) Log.d(TAG, "Thumbnail - initThumbnail() called");
if (url == null || url.isEmpty()) return;
ImageLoader.getInstance().resume();
ImageLoader.getInstance().loadImage(url, this);
}
@Override
public void onLoadingStarted(String imageUri, View view) {
if (DEBUG) Log.d(TAG, "Thumbnail - onLoadingStarted() called on: " +
"imageUri = [" + imageUri + "], view = [" + view + "]");
}
@Override
public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
Log.e(TAG, "Thumbnail - onLoadingFailed() called on imageUri = [" + imageUri + "]",
failReason.getCause());
}
@Override
public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
if (DEBUG) Log.d(TAG, "Thumbnail - onLoadingComplete() called with: " +
"imageUri = [" + imageUri + "], view = [" + view + "], " +
"loadedImage = [" + loadedImage + "]");
}
@Override
public void onLoadingCancelled(String imageUri, View view) {
if (DEBUG) Log.d(TAG, "Thumbnail - onLoadingCancelled() called with: " +
"imageUri = [" + imageUri + "], view = [" + view + "]");
}
protected void clearThumbnailCache() {
ImageLoader.getInstance().clearMemoryCache();
}
/*//////////////////////////////////////////////////////////////////////////
// MediaSource Building
//////////////////////////////////////////////////////////////////////////*/
public MediaSource buildLiveMediaSource(@NonNull final String sourceUrl,
@C.ContentType final int type) {
if (DEBUG) {
Log.d(TAG, "buildLiveMediaSource() called with: url = [" + sourceUrl +
"], content type = [" + type + "]");
}
if (dataSource == null) return null;
final Uri uri = Uri.parse(sourceUrl);
switch (type) {
case C.TYPE_SS:
return dataSource.getLiveSsMediaSourceFactory().createMediaSource(uri);
case C.TYPE_DASH:
return dataSource.getLiveDashMediaSourceFactory().createMediaSource(uri);
case C.TYPE_HLS:
return dataSource.getLiveHlsMediaSourceFactory().createMediaSource(uri);
default:
throw new IllegalStateException("Unsupported type: " + type);
}
}
public MediaSource buildMediaSource(@NonNull final String sourceUrl,
@NonNull final String cacheKey,
@NonNull final String overrideExtension) {
if (DEBUG) {
Log.d(TAG, "buildMediaSource() called with: url = [" + sourceUrl +
"], cacheKey = [" + cacheKey + "]" +
"], overrideExtension = [" + overrideExtension + "]");
}
if (dataSource == null) return null;
final Uri uri = Uri.parse(sourceUrl);
@C.ContentType final int type = TextUtils.isEmpty(overrideExtension) ?
Util.inferContentType(uri) : Util.inferContentType("." + overrideExtension);
switch (type) {
case C.TYPE_SS:
return dataSource.getLiveSsMediaSourceFactory().createMediaSource(uri);
case C.TYPE_DASH:
return dataSource.getDashMediaSourceFactory().createMediaSource(uri);
case C.TYPE_HLS:
return dataSource.getHlsMediaSourceFactory().createMediaSource(uri);
case C.TYPE_OTHER:
return dataSource.getExtractorMediaSourceFactory(cacheKey).createMediaSource(uri);
default:
throw new IllegalStateException("Unsupported type: " + type);
}
}
/*//////////////////////////////////////////////////////////////////////////
// Broadcast Receiver
//////////////////////////////////////////////////////////////////////////*/
/**
* Add your action in the intentFilter
*
* @param intentFilter intent filter that will be used for register the receiver
*/
protected void setupBroadcastReceiver(IntentFilter intentFilter) {
intentFilter.addAction(AudioManager.ACTION_AUDIO_BECOMING_NOISY);
}
public void onBroadcastReceived(Intent intent) {
if (intent == null || intent.getAction() == null) return;
switch (intent.getAction()) {
case AudioManager.ACTION_AUDIO_BECOMING_NOISY:
if (isPlaying()) onVideoPlayPause();
break;
}
}
public void unregisterBroadcastReceiver() {
try {
context.unregisterReceiver(broadcastReceiver);
} catch (final IllegalArgumentException unregisteredException) {
Log.e(TAG, "Broadcast receiver already unregistered.", unregisteredException);
}
}
/*//////////////////////////////////////////////////////////////////////////
// States Implementation
//////////////////////////////////////////////////////////////////////////*/
public static final int STATE_BLOCKED = 123;
public static final int STATE_PLAYING = 124;
public static final int STATE_BUFFERING = 125;
public static final int STATE_PAUSED = 126;
public static final int STATE_PAUSED_SEEK = 127;
public static final int STATE_COMPLETED = 128;
protected int currentState = -1;
public void changeState(int state) {
if (DEBUG) Log.d(TAG, "changeState() called with: state = [" + state + "]");
currentState = state;
switch (state) {
case STATE_BLOCKED:
onBlocked();
break;
case STATE_PLAYING:
onPlaying();
break;
case STATE_BUFFERING:
onBuffering();
break;
case STATE_PAUSED:
onPaused();
break;
case STATE_PAUSED_SEEK:
onPausedSeek();
break;
case STATE_COMPLETED:
onCompleted();
break;
}
}
public void onBlocked() {
if (DEBUG) Log.d(TAG, "onBlocked() called");
if (!isProgressLoopRunning()) startProgressLoop();
}
public void onPlaying() {
if (DEBUG) Log.d(TAG, "onPlaying() called");
if (!isProgressLoopRunning()) startProgressLoop();
if (!isCurrentWindowValid()) seekToDefault();
}
public void onBuffering() {}
public void onPaused() {
if (isProgressLoopRunning()) stopProgressLoop();
}
public void onPausedSeek() {}
public void onCompleted() {
if (DEBUG) Log.d(TAG, "onCompleted() called");
if (playQueue.getIndex() < playQueue.size() - 1) playQueue.offsetIndex(+1);
if (isProgressLoopRunning()) stopProgressLoop();
}
/*//////////////////////////////////////////////////////////////////////////
// Repeat and shuffle
//////////////////////////////////////////////////////////////////////////*/
public void onRepeatClicked() {
if (DEBUG) Log.d(TAG, "onRepeatClicked() called");
final int mode;
switch (getRepeatMode()) {
case Player.REPEAT_MODE_OFF:
mode = Player.REPEAT_MODE_ONE;
break;
case Player.REPEAT_MODE_ONE:
mode = Player.REPEAT_MODE_ALL;
break;
case Player.REPEAT_MODE_ALL:
default:
mode = Player.REPEAT_MODE_OFF;
break;
}
setRepeatMode(mode);
if (DEBUG) Log.d(TAG, "onRepeatClicked() currentRepeatMode = " + getRepeatMode());
}
public void onShuffleClicked() {
if (DEBUG) Log.d(TAG, "onShuffleClicked() called");
if (simpleExoPlayer == null) return;
simpleExoPlayer.setShuffleModeEnabled(!simpleExoPlayer.getShuffleModeEnabled());
}
/*//////////////////////////////////////////////////////////////////////////
// Progress Updates
//////////////////////////////////////////////////////////////////////////*/
public abstract void onUpdateProgress(int currentProgress, int duration, int bufferPercent);
protected void startProgressLoop() {
if (progressUpdateReactor != null) progressUpdateReactor.dispose();
progressUpdateReactor = getProgressReactor();
}
protected void stopProgressLoop() {
if (progressUpdateReactor != null) progressUpdateReactor.dispose();
progressUpdateReactor = null;
}
public void triggerProgressUpdate() {
onUpdateProgress(
(int) simpleExoPlayer.getCurrentPosition(),
(int) simpleExoPlayer.getDuration(),
simpleExoPlayer.getBufferedPercentage()
);
}
private Disposable getProgressReactor() {
return Observable.interval(PROGRESS_LOOP_INTERVAL, TimeUnit.MILLISECONDS)
.observeOn(AndroidSchedulers.mainThread())
.filter(ignored -> isProgressLoopRunning())
.subscribe(ignored -> triggerProgressUpdate());
}
/*//////////////////////////////////////////////////////////////////////////
// ExoPlayer Listener
//////////////////////////////////////////////////////////////////////////*/
@Override
public void onTimelineChanged(Timeline timeline, Object manifest,
@Player.TimelineChangeReason final int reason) {
if (DEBUG) Log.d(TAG, "ExoPlayer - onTimelineChanged() called with " +
(manifest == null ? "no manifest" : "available manifest") + ", " +
"timeline size = [" + timeline.getWindowCount() + "], " +
"reason = [" + reason + "]");
switch (reason) {
case Player.TIMELINE_CHANGE_REASON_RESET: // called after #block
case Player.TIMELINE_CHANGE_REASON_PREPARED: // called after #unblock
case Player.TIMELINE_CHANGE_REASON_DYNAMIC: // called after playlist changes
if (playQueue != null && playbackManager != null &&
// ensures MediaSourceManager#update is complete
timeline.getWindowCount() == playQueue.size()) {
playbackManager.load();
}
}
}
@Override
public void onTracksChanged(TrackGroupArray trackGroups, TrackSelectionArray trackSelections) {
if (DEBUG) Log.d(TAG, "ExoPlayer - onTracksChanged(), " +
"track group size = " + trackGroups.length);
}
@Override
public void onPlaybackParametersChanged(PlaybackParameters playbackParameters) {
if (DEBUG) Log.d(TAG, "ExoPlayer - playbackParameters(), " +
"speed: " + playbackParameters.speed + ", " +
"pitch: " + playbackParameters.pitch);
}
@Override
public void onLoadingChanged(final boolean isLoading) {
if (DEBUG) Log.d(TAG, "ExoPlayer - onLoadingChanged() called with: " +
"isLoading = [" + isLoading + "]");
if (!isLoading && getCurrentState() == STATE_PAUSED && isProgressLoopRunning()) {
stopProgressLoop();
} else if (isLoading && !isProgressLoopRunning()) {
startProgressLoop();
}
}
@Override
public void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
if (DEBUG) Log.d(TAG, "ExoPlayer - onPlayerStateChanged() called with: " +
"playWhenReady = [" + playWhenReady + "], " +
"playbackState = [" + playbackState + "]");
if (getCurrentState() == STATE_PAUSED_SEEK) {
if (DEBUG) Log.d(TAG, "ExoPlayer - onPlayerStateChanged() is currently blocked");
return;
}
switch (playbackState) {
case Player.STATE_IDLE: // 1
isPrepared = false;
break;
case Player.STATE_BUFFERING: // 2
if (isPrepared) {
changeState(STATE_BUFFERING);
}
break;
case Player.STATE_READY: //3
maybeRecover();
if (!isPrepared) {
isPrepared = true;
onPrepared(playWhenReady);
break;
}
if (currentState == STATE_PAUSED_SEEK) break;
changeState(playWhenReady ? STATE_PLAYING : STATE_PAUSED);
break;
case Player.STATE_ENDED: // 4
// Ensure the current window has actually ended
// since single windows that are still loading may produce an ended state
if (isCurrentWindowValid() &&
simpleExoPlayer.getCurrentPosition() >= simpleExoPlayer.getDuration()) {
changeState(STATE_COMPLETED);
isPrepared = false;
}
break;
}
}
private void maybeRecover() {
final int currentSourceIndex = playQueue.getIndex();
final PlayQueueItem currentSourceItem = playQueue.getItem();
// Check if already playing correct window
final boolean isCurrentPeriodCorrect =
simpleExoPlayer.getCurrentPeriodIndex() == currentSourceIndex;
// Check if recovering
if (isCurrentPeriodCorrect && currentSourceItem != null) {
/* Recovering with sub-second position may cause a long buffer delay in ExoPlayer,
* rounding this position to the nearest second will help alleviate this.*/
final long position = currentSourceItem.getRecoveryPosition();
/* Skip recovering if the recovery position is not set.*/
if (position == PlayQueueItem.RECOVERY_UNSET) return;
if (DEBUG) Log.d(TAG, "Rewinding to recovery window: " + currentSourceIndex +
" at: " + getTimeString((int)position));
simpleExoPlayer.seekTo(currentSourceItem.getRecoveryPosition());
playQueue.unsetRecovery(currentSourceIndex);
}
}
/**
* Processes the exceptions produced by {@link com.google.android.exoplayer2.ExoPlayer ExoPlayer}.
* There are multiple types of errors: <br><br>
*
* {@link ExoPlaybackException#TYPE_SOURCE TYPE_SOURCE}: <br><br>
*
* {@link ExoPlaybackException#TYPE_UNEXPECTED TYPE_UNEXPECTED}: <br><br>
* If a runtime error occurred, then we can try to recover it by restarting the playback
* after setting the timestamp recovery. <br><br>
*
* {@link ExoPlaybackException#TYPE_RENDERER TYPE_RENDERER}: <br><br>
* If the renderer failed, treat the error as unrecoverable.
*
* @see #processSourceError(IOException)
* @see Player.EventListener#onPlayerError(ExoPlaybackException)
* */
@Override
public void onPlayerError(ExoPlaybackException error) {
if (DEBUG) Log.d(TAG, "ExoPlayer - onPlayerError() called with: " +
"error = [" + error + "]");
if (errorToast != null) {
errorToast.cancel();
errorToast = null;
}
savePlaybackState();
switch (error.type) {
case ExoPlaybackException.TYPE_SOURCE:
processSourceError(error.getSourceException());
showStreamError(error);
break;
case ExoPlaybackException.TYPE_UNEXPECTED:
showRecoverableError(error);
setRecovery();
reload();
break;
default:
showUnrecoverableError(error);
onPlaybackShutdown();
break;
}
}
/**
* Processes {@link ExoPlaybackException} tagged with {@link ExoPlaybackException#TYPE_SOURCE}.
* <br><br>
* If the current {@link com.google.android.exoplayer2.Timeline.Window window} is valid,
* then we know the error is produced by transitioning into a bad window, therefore we report
* an error to the play queue based on if the current error can be skipped.
* <br><br>
* This is done because ExoPlayer reports the source exceptions before window is
* transitioned on seamless playback. Because player error causes ExoPlayer to go
* back to {@link Player#STATE_IDLE STATE_IDLE}, we reset and prepare the media source
* again to resume playback.
* <br><br>
* In the event that this error is produced during a valid stream playback, we save the
* current position so the playback may be recovered and resumed manually by the user. This
* happens only if the playback is {@link #RECOVERY_SKIP_THRESHOLD} milliseconds until complete.
* <br><br>
* In the event of livestreaming being lagged behind for any reason, most notably pausing for
* too long, a {@link BehindLiveWindowException} will be produced. This will trigger a reload
* instead of skipping or removal.
* */
private void processSourceError(final IOException error) {
if (simpleExoPlayer == null || playQueue == null) return;
if (simpleExoPlayer.getCurrentPosition() <
simpleExoPlayer.getDuration() - RECOVERY_SKIP_THRESHOLD) {
setRecovery();
}
final Throwable cause = error.getCause();
if (cause instanceof BehindLiveWindowException) {
reload();
} else if (cause instanceof UnknownHostException) {
playQueue.error(/*isNetworkProblem=*/true);
} else {
playQueue.error(isCurrentWindowValid());
}
}
@Override
public void onPositionDiscontinuity(@Player.DiscontinuityReason final int reason) {
if (DEBUG) Log.d(TAG, "ExoPlayer - onPositionDiscontinuity() called with " +
"reason = [" + reason + "]");
// Refresh the playback if there is a transition to the next video
final int newPeriodIndex = simpleExoPlayer.getCurrentPeriodIndex();
/* Discontinuity reasons!! Thank you ExoPlayer lords */
switch (reason) {
case DISCONTINUITY_REASON_PERIOD_TRANSITION:
if (newPeriodIndex == playQueue.getIndex()) {
registerView();
} else {
playQueue.offsetIndex(+1);
}
case DISCONTINUITY_REASON_SEEK:
case DISCONTINUITY_REASON_SEEK_ADJUSTMENT:
case DISCONTINUITY_REASON_INTERNAL:
break;
}
}
@Override
public void onRepeatModeChanged(@Player.RepeatMode final int reason) {
if (DEBUG) Log.d(TAG, "ExoPlayer - onRepeatModeChanged() called with: " +
"mode = [" + reason + "]");
}
@Override
public void onShuffleModeEnabledChanged(final boolean shuffleModeEnabled) {
if (DEBUG) Log.d(TAG, "ExoPlayer - onShuffleModeEnabledChanged() called with: " +
"mode = [" + shuffleModeEnabled + "]");
if (playQueue == null) return;
if (shuffleModeEnabled) {
playQueue.shuffle();
} else {
playQueue.unshuffle();
}
}
@Override
public void onSeekProcessed() {
if (DEBUG) Log.d(TAG, "ExoPlayer - onSeekProcessed() called");
}
/*//////////////////////////////////////////////////////////////////////////
// Playback Listener
//////////////////////////////////////////////////////////////////////////*/
@Override
public void onPlaybackBlock() {
if (simpleExoPlayer == null) return;
if (DEBUG) Log.d(TAG, "Playback - onPlaybackBlock() called");
currentItem = null;
currentInfo = null;
simpleExoPlayer.stop();
isPrepared = false;
changeState(STATE_BLOCKED);
}
@Override
public void onPlaybackUnblock(final MediaSource mediaSource) {
if (simpleExoPlayer == null) return;
if (DEBUG) Log.d(TAG, "Playback - onPlaybackUnblock() called");
if (getCurrentState() == STATE_BLOCKED) changeState(STATE_BUFFERING);
simpleExoPlayer.prepare(mediaSource);
seekToDefault();
}
@Override
public void onPlaybackSynchronize(@NonNull final PlayQueueItem item,
@Nullable final StreamInfo info) {
if (DEBUG) Log.d(TAG, "Playback - onPlaybackSynchronize() called with " +
(info != null ? "available" : "null") + " info, " +
"item=[" + item.getTitle() + "], url=[" + item.getUrl() + "]");
final boolean hasPlayQueueItemChanged = currentItem != item;
final boolean hasStreamInfoChanged = currentInfo != info;
if (!hasPlayQueueItemChanged && !hasStreamInfoChanged) {
return; // Nothing to synchronize
}
currentItem = item;
currentInfo = info;
if (hasPlayQueueItemChanged) {
// updates only to the stream info should not trigger another view count
registerView();
initThumbnail(info == null ? item.getThumbnailUrl() : info.getThumbnailUrl());
}
final int currentPlayQueueIndex = playQueue.indexOf(item);
onMetadataChanged(item, info, currentPlayQueueIndex, hasPlayQueueItemChanged);
if (simpleExoPlayer == null) return;
final int currentPlaylistIndex = simpleExoPlayer.getCurrentWindowIndex();
// Check if on wrong window
if (currentPlayQueueIndex != playQueue.getIndex()) {
Log.e(TAG, "Play Queue may be desynchronized: item " +
"index=[" + currentPlayQueueIndex + "], " +
"queue index=[" + playQueue.getIndex() + "]");
// on metadata changed
} else if (currentPlaylistIndex != currentPlayQueueIndex || !isPlaying()) {
final long startPos = info != null ? info.getStartPosition() : C.TIME_UNSET;
if (DEBUG) Log.d(TAG, "Rewinding to correct" +
" window=[" + currentPlayQueueIndex + "]," +
" at=[" + getTimeString((int)startPos) + "]," +
" from=[" + simpleExoPlayer.getCurrentWindowIndex() + "].");
simpleExoPlayer.seekTo(currentPlayQueueIndex, startPos);
}
// when starting playback on the last item when not repeating, maybe auto queue
if (info != null && currentPlayQueueIndex == playQueue.size() - 1 &&
getRepeatMode() == Player.REPEAT_MODE_OFF &&
PlayerHelper.isAutoQueueEnabled(context)) {
final PlayQueue autoQueue = PlayerHelper.autoQueueOf(info, playQueue.getStreams());
if (autoQueue != null) playQueue.append(autoQueue.getStreams());
}
}
abstract protected void onMetadataChanged(@NonNull final PlayQueueItem item,
@Nullable final StreamInfo info,
final int newPlayQueueIndex,
final boolean hasPlayQueueItemChanged);
@Nullable
@Override
public MediaSource sourceOf(PlayQueueItem item, StreamInfo info) {
if (!info.getHlsUrl().isEmpty()) {
return buildLiveMediaSource(info.getHlsUrl(), C.TYPE_HLS);
} else if (!info.getDashMpdUrl().isEmpty()) {
return buildLiveMediaSource(info.getDashMpdUrl(), C.TYPE_DASH);
}
return null;
}
@Override
public void onPlaybackShutdown() {
if (DEBUG) Log.d(TAG, "Shutting down...");
destroy();
}
/*//////////////////////////////////////////////////////////////////////////
// General Player
//////////////////////////////////////////////////////////////////////////*/
public void showStreamError(Exception exception) {
exception.printStackTrace();
if (errorToast == null) {
errorToast = Toast.makeText(context, R.string.player_stream_failure, Toast.LENGTH_SHORT);
errorToast.show();
}
}
public void showRecoverableError(Exception exception) {
exception.printStackTrace();
if (errorToast == null) {
errorToast = Toast.makeText(context, R.string.player_recoverable_failure, Toast.LENGTH_SHORT);
errorToast.show();
}
}
public void showUnrecoverableError(Exception exception) {
exception.printStackTrace();
if (errorToast != null) {
errorToast.cancel();
}
errorToast = Toast.makeText(context, R.string.player_unrecoverable_failure, Toast.LENGTH_SHORT);
errorToast.show();
}
public void onPrepared(boolean playWhenReady) {
if (DEBUG) Log.d(TAG, "onPrepared() called with: playWhenReady = [" + playWhenReady + "]");
if (playWhenReady) audioReactor.requestAudioFocus();
changeState(playWhenReady ? STATE_PLAYING : STATE_PAUSED);
}
public void onVideoPlayPause() {
if (DEBUG) Log.d(TAG, "onVideoPlayPause() called");
if (!isPlaying()) {
audioReactor.requestAudioFocus();
} else {
audioReactor.abandonAudioFocus();
}
if (getCurrentState() == STATE_COMPLETED) {
if (playQueue.getIndex() == 0) {
seekToDefault();
} else {
playQueue.setIndex(0);
}
}
simpleExoPlayer.setPlayWhenReady(!isPlaying());
}
public void onFastRewind() {
if (DEBUG) Log.d(TAG, "onFastRewind() called");
seekBy(-FAST_FORWARD_REWIND_AMOUNT);
}
public void onFastForward() {
if (DEBUG) Log.d(TAG, "onFastForward() called");
seekBy(FAST_FORWARD_REWIND_AMOUNT);
}
public void onPlayPrevious() {
if (simpleExoPlayer == null || playQueue == null) return;
if (DEBUG) Log.d(TAG, "onPlayPrevious() called");
savePlaybackState();
/* If current playback has run for PLAY_PREV_ACTIVATION_LIMIT milliseconds, restart current track.
* Also restart the track if the current track is the first in a queue.*/
if (simpleExoPlayer.getCurrentPosition() > PLAY_PREV_ACTIVATION_LIMIT || playQueue.getIndex() == 0) {
final long startPos = currentInfo == null ? 0 : currentInfo.getStartPosition();
simpleExoPlayer.seekTo(startPos);
} else {
playQueue.offsetIndex(-1);
}
}
public void onPlayNext() {
if (playQueue == null) return;
if (DEBUG) Log.d(TAG, "onPlayNext() called");
savePlaybackState();
playQueue.offsetIndex(+1);
}
public void onSelected(final PlayQueueItem item) {
if (playQueue == null || simpleExoPlayer == null) return;
final int index = playQueue.indexOf(item);
if (index == -1) return;
if (playQueue.getIndex() == index && simpleExoPlayer.getCurrentWindowIndex() == index) {
seekToDefault();
} else {
playQueue.setIndex(index);
}
}
public void seekBy(int milliSeconds) {
if (DEBUG) Log.d(TAG, "seekBy() called with: milliSeconds = [" + milliSeconds + "]");
if (simpleExoPlayer == null || (isCompleted() && milliSeconds > 0) ||
((milliSeconds < 0 && simpleExoPlayer.getCurrentPosition() == 0))) {
return;
}
int progress = (int) (simpleExoPlayer.getCurrentPosition() + milliSeconds);
if (progress < 0) progress = 0;
simpleExoPlayer.seekTo(progress);
}
public boolean isCurrentWindowValid() {
return simpleExoPlayer != null && simpleExoPlayer.getDuration() >= 0
&& simpleExoPlayer.getCurrentPosition() >= 0;
}
public void seekToDefault() {
if (simpleExoPlayer != null) simpleExoPlayer.seekToDefaultPosition();
}
/*//////////////////////////////////////////////////////////////////////////
// Utils
//////////////////////////////////////////////////////////////////////////*/
private void registerView() {
if (databaseUpdateReactor == null || currentInfo == null) return;
databaseUpdateReactor.add(recordManager.onViewed(currentInfo).onErrorComplete()
.subscribe(
ignored -> {/* successful */},
error -> Log.e(TAG, "Player onViewed() failure: ", error)
));
}
protected void reload() {
if (playbackManager != null) {
playbackManager.reset();
playbackManager.load();
}
}
protected void savePlaybackState(final StreamInfo info, final long progress) {
if (info == null || databaseUpdateReactor == null) return;
final Disposable stateSaver = recordManager.saveStreamState(info, progress)
.observeOn(AndroidSchedulers.mainThread())
.onErrorComplete()
.subscribe(
ignored -> {/* successful */},
error -> Log.e(TAG, "savePlaybackState() failure: ", error)
);
databaseUpdateReactor.add(stateSaver);
}
private void savePlaybackState() {
if (simpleExoPlayer == null || currentInfo == null) return;
if (simpleExoPlayer.getCurrentPosition() > RECOVERY_SKIP_THRESHOLD &&
simpleExoPlayer.getCurrentPosition() <
simpleExoPlayer.getDuration() - RECOVERY_SKIP_THRESHOLD) {
savePlaybackState(currentInfo, simpleExoPlayer.getCurrentPosition());
}
}
/*//////////////////////////////////////////////////////////////////////////
// Getters and Setters
//////////////////////////////////////////////////////////////////////////*/
public SimpleExoPlayer getPlayer() {
return simpleExoPlayer;
}
public AudioReactor getAudioReactor() {
return audioReactor;
}
public int getCurrentState() {
return currentState;
}
public String getVideoUrl() {
return currentItem == null ? context.getString(R.string.unknown_content) : currentItem.getUrl();
}
public String getVideoTitle() {
return currentItem == null ? context.getString(R.string.unknown_content) : currentItem.getTitle();
}
public String getUploaderName() {
return currentItem == null ? context.getString(R.string.unknown_content) : currentItem.getUploader();
}
public boolean isCompleted() {
return simpleExoPlayer != null && simpleExoPlayer.getPlaybackState() == Player.STATE_ENDED;
}
public boolean isPlaying() {
final int state = simpleExoPlayer.getPlaybackState();
return (state == Player.STATE_READY || state == Player.STATE_BUFFERING)
&& simpleExoPlayer.getPlayWhenReady();
}
@Player.RepeatMode
public int getRepeatMode() {
return simpleExoPlayer.getRepeatMode();
}
public void setRepeatMode(@Player.RepeatMode final int repeatMode) {
simpleExoPlayer.setRepeatMode(repeatMode);
}
public float getPlaybackSpeed() {
return getPlaybackParameters().speed;
}
public float getPlaybackPitch() {
return getPlaybackParameters().pitch;
}
public void setPlaybackSpeed(float speed) {
setPlaybackParameters(speed, getPlaybackPitch());
}
public void setPlaybackPitch(float pitch) {
setPlaybackParameters(getPlaybackSpeed(), pitch);
}
public PlaybackParameters getPlaybackParameters() {
final PlaybackParameters defaultParameters = new PlaybackParameters(1f, 1f);
if (simpleExoPlayer == null) return defaultParameters;
final PlaybackParameters parameters = simpleExoPlayer.getPlaybackParameters();
return parameters == null ? defaultParameters : parameters;
}
public void setPlaybackParameters(float speed, float pitch) {
simpleExoPlayer.setPlaybackParameters(new PlaybackParameters(speed, pitch));
}
public PlayQueue getPlayQueue() {
return playQueue;
}
public PlayQueueAdapter getPlayQueueAdapter() {
return playQueueAdapter;
}
public boolean isPlayerReady() {
return currentState == STATE_PLAYING || currentState == STATE_COMPLETED || currentState == STATE_PAUSED;
}
public boolean isProgressLoopRunning() {
return progressUpdateReactor != null && !progressUpdateReactor.isDisposed();
}
public void setRecovery() {
if (playQueue == null || simpleExoPlayer == null) return;
final int queuePos = playQueue.getIndex();
final long windowPos = simpleExoPlayer.getCurrentPosition();
if (windowPos > 0 && windowPos <= simpleExoPlayer.getDuration()) {
setRecovery(queuePos, windowPos);
}
}
public void setRecovery(final int queuePos, final long windowPos) {
if (playQueue.size() <= queuePos) return;
if (DEBUG) Log.d(TAG, "Setting recovery, queue: " + queuePos + ", pos: " + windowPos);
playQueue.setRecovery(queuePos, windowPos);
}
}
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