Java tutorial
/* This file is part of Subsonic. Subsonic 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. Subsonic 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 Subsonic. If not, see <http://www.gnu.org/licenses/>. Copyright 2009 (C) Sindre Mehus */ package github.daneren2005.dsub.service; import static android.support.v7.media.MediaRouter.RouteInfo; import static github.daneren2005.dsub.domain.PlayerState.COMPLETED; import static github.daneren2005.dsub.domain.PlayerState.DOWNLOADING; import static github.daneren2005.dsub.domain.PlayerState.IDLE; import static github.daneren2005.dsub.domain.PlayerState.PAUSED; import static github.daneren2005.dsub.domain.PlayerState.PAUSED_TEMP; import static github.daneren2005.dsub.domain.PlayerState.PREPARED; import static github.daneren2005.dsub.domain.PlayerState.PREPARING; import static github.daneren2005.dsub.domain.PlayerState.STARTED; import static github.daneren2005.dsub.domain.PlayerState.STOPPED; import static github.daneren2005.dsub.domain.RemoteControlState.LOCAL; import github.daneren2005.dsub.R; import github.daneren2005.dsub.audiofx.AudioEffectsController; import github.daneren2005.dsub.audiofx.EqualizerController; import github.daneren2005.dsub.domain.Bookmark; import github.daneren2005.dsub.domain.MusicDirectory; import github.daneren2005.dsub.domain.PlayerState; import github.daneren2005.dsub.domain.PodcastEpisode; import github.daneren2005.dsub.domain.RemoteControlState; import github.daneren2005.dsub.domain.RepeatMode; import github.daneren2005.dsub.domain.ServerInfo; import github.daneren2005.dsub.receiver.MediaButtonIntentReceiver; import github.daneren2005.dsub.util.ArtistRadioBuffer; import github.daneren2005.dsub.util.Notifications; import github.daneren2005.dsub.util.SilentBackgroundTask; import github.daneren2005.dsub.util.Constants; import github.daneren2005.dsub.util.MediaRouteManager; import github.daneren2005.dsub.util.ShufflePlayBuffer; import github.daneren2005.dsub.util.SimpleServiceBinder; import github.daneren2005.dsub.util.Util; import github.daneren2005.dsub.util.compat.RemoteControlClientHelper; import github.daneren2005.dsub.util.tags.BastpUtil; import github.daneren2005.dsub.view.UpdateView; import github.daneren2005.serverproxy.BufferProxy; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.Collections; import java.util.Date; import java.util.Iterator; import java.util.List; import java.util.Timer; import java.util.TimerTask; import android.annotation.TargetApi; import android.app.Service; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.media.AudioManager; import android.media.MediaPlayer; import android.media.audiofx.AudioEffect; import android.os.Build; import android.os.Handler; import android.os.IBinder; import android.os.Looper; import android.os.PowerManager; import android.support.v7.media.MediaRouteSelector; import android.support.v7.media.MediaRouter; import android.util.Log; import android.support.v4.util.LruCache; /** * @author Sindre Mehus * @version $Id$ */ public class DownloadService extends Service { private static final String TAG = DownloadService.class.getSimpleName(); public static final String CMD_PLAY = "github.daneren2005.dsub.CMD_PLAY"; public static final String CMD_TOGGLEPAUSE = "github.daneren2005.dsub.CMD_TOGGLEPAUSE"; public static final String CMD_PAUSE = "github.daneren2005.dsub.CMD_PAUSE"; public static final String CMD_STOP = "github.daneren2005.dsub.CMD_STOP"; public static final String CMD_PREVIOUS = "github.daneren2005.dsub.CMD_PREVIOUS"; public static final String CMD_NEXT = "github.daneren2005.dsub.CMD_NEXT"; public static final String CANCEL_DOWNLOADS = "github.daneren2005.dsub.CANCEL_DOWNLOADS"; public static final String START_PLAY = "github.daneren2005.dsub.START_PLAYING"; public static final int FAST_FORWARD = 30000; public static final int REWIND = 10000; private static final double DELETE_CUTOFF = 0.84; private static final int REQUIRED_ALBUM_MATCHES = 4; private static final int SHUFFLE_MODE_NONE = 0; private static final int SHUFFLE_MODE_ALL = 1; private static final int SHUFFLE_MODE_ARTIST = 2; private RemoteControlClientHelper mRemoteControl; private final IBinder binder = new SimpleServiceBinder<DownloadService>(this); private Looper mediaPlayerLooper; private MediaPlayer mediaPlayer; private MediaPlayer nextMediaPlayer; private int audioSessionId; private boolean nextSetup = false; private final List<DownloadFile> downloadList = new ArrayList<DownloadFile>(); private final List<DownloadFile> backgroundDownloadList = new ArrayList<DownloadFile>(); private final List<DownloadFile> toDelete = new ArrayList<DownloadFile>(); private final Handler handler = new Handler(); private Handler mediaPlayerHandler; private final DownloadServiceLifecycleSupport lifecycleSupport = new DownloadServiceLifecycleSupport(this); private ShufflePlayBuffer shufflePlayBuffer; private ArtistRadioBuffer artistRadioBuffer; private final LruCache<MusicDirectory.Entry, DownloadFile> downloadFileCache = new LruCache<MusicDirectory.Entry, DownloadFile>( 100); private final List<DownloadFile> cleanupCandidates = new ArrayList<DownloadFile>(); private final Scrobbler scrobbler = new Scrobbler(); private RemoteController remoteController; private DownloadFile currentPlaying; private int currentPlayingIndex = -1; private DownloadFile nextPlaying; private DownloadFile currentDownloading; private SilentBackgroundTask bufferTask; private SilentBackgroundTask nextPlayingTask; private PlayerState playerState = IDLE; private PlayerState nextPlayerState = IDLE; private boolean removePlayed; private boolean shufflePlay; private boolean artistRadio; private final List<OnSongChangedListener> onSongChangedListeners = new ArrayList<>(); private long revision; private static DownloadService instance; private String suggestedPlaylistName; private String suggestedPlaylistId; private PowerManager.WakeLock wakeLock; private boolean keepScreenOn; private int cachedPosition = 0; private boolean downloadOngoing = false; private float volume = 1.0f; private AudioEffectsController effectsController; private RemoteControlState remoteState = LOCAL; private PositionCache positionCache; private BufferProxy proxy; private Timer sleepTimer; private int timerDuration; private long timerStart; private boolean autoPlayStart = false; private boolean runListenersOnInit = false; private MediaRouteManager mediaRouter; // Variables to manage getCurrentPosition sometimes starting from an arbitrary non-zero number private long subtractNextPosition = 0; private int subtractPosition = 0; @Override public void onCreate() { super.onCreate(); final SharedPreferences prefs = Util.getPreferences(this); new Thread(new Runnable() { public void run() { Looper.prepare(); mediaPlayer = new MediaPlayer(); mediaPlayer.setWakeMode(DownloadService.this, PowerManager.PARTIAL_WAKE_LOCK); audioSessionId = -1; Integer id = prefs.getInt(Constants.CACHE_AUDIO_SESSION_ID, -1); if (id != -1) { try { audioSessionId = id; mediaPlayer.setAudioSessionId(audioSessionId); } catch (Throwable e) { audioSessionId = -1; } } if (audioSessionId == -1) { mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC); try { audioSessionId = mediaPlayer.getAudioSessionId(); prefs.edit().putInt(Constants.CACHE_AUDIO_SESSION_ID, audioSessionId).commit(); } catch (Throwable t) { // Froyo or lower } } mediaPlayer.setOnErrorListener(new MediaPlayer.OnErrorListener() { @Override public boolean onError(MediaPlayer mediaPlayer, int what, int more) { handleError(new Exception("MediaPlayer error: " + what + " (" + more + ")")); return false; } }); try { Intent i = new Intent(AudioEffect.ACTION_OPEN_AUDIO_EFFECT_CONTROL_SESSION); i.putExtra(AudioEffect.EXTRA_AUDIO_SESSION, audioSessionId); i.putExtra(AudioEffect.EXTRA_PACKAGE_NAME, getPackageName()); sendBroadcast(i); } catch (Throwable e) { // Froyo or lower } effectsController = new AudioEffectsController(DownloadService.this, audioSessionId); if (prefs.getBoolean(Constants.PREFERENCES_EQUALIZER_ON, false)) { getEqualizerController(); } mediaPlayerLooper = Looper.myLooper(); mediaPlayerHandler = new Handler(mediaPlayerLooper); if (runListenersOnInit) { onSongsChanged(); onSongProgress(); onStateUpdate(); } Looper.loop(); } }, "DownloadService").start(); Util.registerMediaButtonEventReceiver(this); if (mRemoteControl == null) { // Use the remote control APIs (if available) to set the playback state mRemoteControl = RemoteControlClientHelper.createInstance(); ComponentName mediaButtonReceiverComponent = new ComponentName(getPackageName(), MediaButtonIntentReceiver.class.getName()); mRemoteControl.register(this, mediaButtonReceiverComponent); } PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, this.getClass().getName()); wakeLock.setReferenceCounted(false); try { timerDuration = Integer.parseInt(prefs.getString(Constants.PREFERENCES_KEY_SLEEP_TIMER_DURATION, "5")); } catch (Throwable e) { timerDuration = 5; } sleepTimer = null; keepScreenOn = prefs.getBoolean(Constants.PREFERENCES_KEY_KEEP_SCREEN_ON, false); mediaRouter = new MediaRouteManager(this); instance = this; shufflePlayBuffer = new ShufflePlayBuffer(this); artistRadioBuffer = new ArtistRadioBuffer(this); lifecycleSupport.onCreate(); } @Override public int onStartCommand(Intent intent, int flags, int startId) { super.onStartCommand(intent, flags, startId); lifecycleSupport.onStart(intent); return START_NOT_STICKY; } @Override public void onDestroy() { super.onDestroy(); instance = null; if (currentPlaying != null) currentPlaying.setPlaying(false); if (sleepTimer != null) { sleepTimer.cancel(); sleepTimer.purge(); } lifecycleSupport.onDestroy(); try { Intent i = new Intent(AudioEffect.ACTION_CLOSE_AUDIO_EFFECT_CONTROL_SESSION); i.putExtra(AudioEffect.EXTRA_AUDIO_SESSION, audioSessionId); i.putExtra(AudioEffect.EXTRA_PACKAGE_NAME, getPackageName()); sendBroadcast(i); } catch (Throwable e) { // Froyo or lower } mediaPlayer.release(); if (nextMediaPlayer != null) { nextMediaPlayer.release(); } mediaPlayerLooper.quit(); shufflePlayBuffer.shutdown(); effectsController.release(); if (mRemoteControl != null) { mRemoteControl.unregister(this); mRemoteControl = null; } if (bufferTask != null) { bufferTask.cancel(); bufferTask = null; } if (nextPlayingTask != null) { nextPlayingTask.cancel(); nextPlayingTask = null; } if (remoteController != null) { remoteController.stop(); remoteController.shutdown(); } if (proxy != null) { proxy.stop(); proxy = null; } mediaRouter.destroy(); Notifications.hidePlayingNotification(this, this, handler); Notifications.hideDownloadingNotification(this, this, handler); } public static DownloadService getInstance() { return instance; } @Override public IBinder onBind(Intent intent) { return binder; } public void post(Runnable r) { handler.post(r); } public void postDelayed(Runnable r, long millis) { handler.postDelayed(r, millis); } public synchronized void download(List<MusicDirectory.Entry> songs, boolean save, boolean autoplay, boolean playNext, boolean shuffle) { download(songs, save, autoplay, playNext, shuffle, 0, 0); } public synchronized void download(List<MusicDirectory.Entry> songs, boolean save, boolean autoplay, boolean playNext, boolean shuffle, int start, int position) { setShufflePlayEnabled(false); setArtistRadio(null); int offset = 1; boolean noNetwork = !Util.isOffline(this) && !Util.isNetworkConnected(this); boolean warnNetwork = false; if (songs.isEmpty()) { return; } if (playNext) { if (autoplay && getCurrentPlayingIndex() >= 0) { offset = 0; } for (MusicDirectory.Entry song : songs) { if (song != null) { DownloadFile downloadFile = new DownloadFile(this, song, save); addToDownloadList(downloadFile, getCurrentPlayingIndex() + offset); if (noNetwork && !warnNetwork) { if (!downloadFile.isCompleteFileAvailable()) { warnNetwork = true; } } offset++; } } setNextPlaying(); } else { int size = size(); int index = getCurrentPlayingIndex(); for (MusicDirectory.Entry song : songs) { DownloadFile downloadFile = new DownloadFile(this, song, save); addToDownloadList(downloadFile, -1); if (noNetwork && !warnNetwork) { if (!downloadFile.isCompleteFileAvailable()) { warnNetwork = true; } } } if (!autoplay && (size - 1) == index) { setNextPlaying(); } } revision++; onSongsChanged(); updateRemotePlaylist(); if (shuffle) { shuffle(); } if (warnNetwork) { Util.toast(this, R.string.select_album_no_network); } if (autoplay) { play(start, true, position); } else if (start != 0 || position != 0) { play(start, false, position); } else { if (currentPlaying == null) { currentPlaying = downloadList.get(0); currentPlayingIndex = 0; currentPlaying.setPlaying(true); } else { currentPlayingIndex = downloadList.indexOf(currentPlaying); } checkDownloads(); } lifecycleSupport.serializeDownloadQueue(); } private void addToDownloadList(DownloadFile file, int offset) { if (offset == -1) { downloadList.add(file); } else { downloadList.add(offset, file); } } public synchronized void downloadBackground(List<MusicDirectory.Entry> songs, boolean save) { for (MusicDirectory.Entry song : songs) { DownloadFile downloadFile = new DownloadFile(this, song, save); if (!downloadFile.isWorkDone() || (downloadFile.shouldSave() && !downloadFile.isSaved())) { // Only add to list if there is work to be done backgroundDownloadList.add(downloadFile); } else if (downloadFile.isSaved() && !save) { // Quickly unpin song instead of adding it to work to be done downloadFile.unpin(); } } revision++; if (!Util.isOffline(this) && !Util.isNetworkConnected(this)) { Util.toast(this, R.string.select_album_no_network); } checkDownloads(); lifecycleSupport.serializeDownloadQueue(); } private void updateRemotePlaylist() { if (remoteState != LOCAL && remoteController != null) { remoteController.updatePlaylist(); } } public synchronized void restore(List<MusicDirectory.Entry> songs, List<MusicDirectory.Entry> toDelete, int currentPlayingIndex, int currentPlayingPosition) { SharedPreferences prefs = Util.getPreferences(this); RemoteControlState newState = RemoteControlState.values()[prefs .getInt(Constants.PREFERENCES_KEY_CONTROL_MODE, 0)]; if (newState != LOCAL) { String id = prefs.getString(Constants.PREFERENCES_KEY_CONTROL_ID, null); setRemoteState(newState, null, id); } if (prefs.getBoolean(Constants.PREFERENCES_KEY_REMOVE_PLAYED, false)) { removePlayed = true; } int startShufflePlay = prefs.getInt(Constants.PREFERENCES_KEY_SHUFFLE_MODE, SHUFFLE_MODE_NONE); download(songs, false, false, false, false); if (startShufflePlay != SHUFFLE_MODE_NONE) { if (startShufflePlay == SHUFFLE_MODE_ALL) { shufflePlay = true; } else if (startShufflePlay == SHUFFLE_MODE_ARTIST) { artistRadio = true; artistRadioBuffer .restoreArtist(prefs.getString(Constants.PREFERENCES_KEY_SHUFFLE_MODE_EXTRA, null)); } SharedPreferences.Editor editor = prefs.edit(); editor.putInt(Constants.PREFERENCES_KEY_SHUFFLE_MODE, startShufflePlay); editor.commit(); } if (currentPlayingIndex != -1) { while (mediaPlayer == null) { Util.sleepQuietly(50L); } play(currentPlayingIndex, autoPlayStart, currentPlayingPosition); autoPlayStart = false; } if (toDelete != null) { for (MusicDirectory.Entry entry : toDelete) { this.toDelete.add(forSong(entry)); } } suggestedPlaylistName = prefs.getString(Constants.PREFERENCES_KEY_PLAYLIST_NAME, null); suggestedPlaylistId = prefs.getString(Constants.PREFERENCES_KEY_PLAYLIST_ID, null); } public boolean isInitialized() { return lifecycleSupport != null && lifecycleSupport.isInitialized(); } public synchronized Date getLastStateChanged() { return lifecycleSupport.getLastChange(); } public synchronized void setRemovePlayed(boolean enabled) { removePlayed = enabled; if (removePlayed) { checkDownloads(); lifecycleSupport.serializeDownloadQueue(); } SharedPreferences.Editor editor = Util.getPreferences(this).edit(); editor.putBoolean(Constants.PREFERENCES_KEY_REMOVE_PLAYED, enabled); editor.commit(); } public boolean isRemovePlayed() { return removePlayed; } public synchronized void setShufflePlayEnabled(boolean enabled) { shufflePlay = enabled; if (shufflePlay) { clear(); checkDownloads(); } SharedPreferences.Editor editor = Util.getPreferences(this).edit(); editor.putInt(Constants.PREFERENCES_KEY_SHUFFLE_MODE, enabled ? SHUFFLE_MODE_ALL : SHUFFLE_MODE_NONE); editor.commit(); } public boolean isShufflePlayEnabled() { return shufflePlay; } public void setArtistRadio(String artistId) { if (artistId == null) { artistRadio = false; } else { artistRadio = true; artistRadioBuffer.setArtist(artistId); } SharedPreferences.Editor editor = Util.getPreferences(this).edit(); editor.putInt(Constants.PREFERENCES_KEY_SHUFFLE_MODE, (artistId != null) ? SHUFFLE_MODE_ARTIST : SHUFFLE_MODE_NONE); if (artistId != null) { editor.putString(Constants.PREFERENCES_KEY_SHUFFLE_MODE_EXTRA, artistId); } editor.commit(); } public synchronized void shuffle() { Collections.shuffle(downloadList); currentPlayingIndex = downloadList.indexOf(currentPlaying); if (currentPlaying != null) { downloadList.remove(getCurrentPlayingIndex()); downloadList.add(0, currentPlaying); currentPlayingIndex = 0; } revision++; onSongsChanged(); lifecycleSupport.serializeDownloadQueue(); updateRemotePlaylist(); setNextPlaying(); } public RepeatMode getRepeatMode() { return Util.getRepeatMode(this); } public void setRepeatMode(RepeatMode repeatMode) { Util.setRepeatMode(this, repeatMode); setNextPlaying(); } public boolean getKeepScreenOn() { return keepScreenOn; } public void setKeepScreenOn(boolean keepScreenOn) { this.keepScreenOn = keepScreenOn; SharedPreferences prefs = Util.getPreferences(this); SharedPreferences.Editor editor = prefs.edit(); editor.putBoolean(Constants.PREFERENCES_KEY_KEEP_SCREEN_ON, keepScreenOn); editor.commit(); } public synchronized DownloadFile forSong(MusicDirectory.Entry song) { DownloadFile returnFile = null; for (DownloadFile downloadFile : downloadList) { if (downloadFile.getSong().equals(song)) { if (((downloadFile.isDownloading() && !downloadFile.isDownloadCancelled() && downloadFile.getPartialFile().exists()) || downloadFile.isWorkDone())) { // If downloading, return immediately return downloadFile; } else { // Otherwise, check to make sure there isn't a background download going on first returnFile = downloadFile; } } } for (DownloadFile downloadFile : backgroundDownloadList) { if (downloadFile.getSong().equals(song)) { return downloadFile; } } if (returnFile != null) { return returnFile; } DownloadFile downloadFile = downloadFileCache.get(song); if (downloadFile == null) { downloadFile = new DownloadFile(this, song, false); downloadFileCache.put(song, downloadFile); } return downloadFile; } public synchronized void clearBackground() { if (currentDownloading != null && backgroundDownloadList.contains(currentDownloading)) { currentDownloading.cancelDownload(); currentDownloading = null; } backgroundDownloadList.clear(); revision++; Notifications.hideDownloadingNotification(this, this, handler); } public synchronized void clearIncomplete() { Iterator<DownloadFile> iterator = downloadList.iterator(); while (iterator.hasNext()) { DownloadFile downloadFile = iterator.next(); if (!downloadFile.isCompleteFileAvailable()) { iterator.remove(); // Reset if the current playing song has been removed if (currentPlaying == downloadFile) { reset(); } currentPlayingIndex = downloadList.indexOf(currentPlaying); } } lifecycleSupport.serializeDownloadQueue(); updateRemotePlaylist(); onSongsChanged(); } public void setOnline(final boolean online) { if (online) { mediaRouter.addOnlineProviders(); } else { mediaRouter.removeOnlineProviders(); } if (shufflePlay) { setShufflePlayEnabled(false); } if (artistRadio) { setArtistRadio(null); } lifecycleSupport.post(new Runnable() { @Override public void run() { if (online) { checkDownloads(); } else { clearIncomplete(); } } }); } public void userSettingsChanged() { mediaRouter.buildSelector(); } public synchronized int size() { return downloadList.size(); } public synchronized void clear() { clear(true); } public synchronized void clear(boolean serialize) { // Delete podcast if fully listened to int position = getPlayerPosition(); int duration = getPlayerDuration(); boolean cutoff = isPastCutoff(position, duration, true); if (currentPlaying != null && currentPlaying.getSong() instanceof PodcastEpisode) { if (cutoff) { currentPlaying.delete(); } } for (DownloadFile podcast : toDelete) { podcast.delete(); } toDelete.clear(); // Clear bookmarks from current playing if past a certain point if (cutoff) { clearCurrentBookmark(true); } else { // Check if we should be adding a new bookmark here checkAddBookmark(); } if (currentPlaying != null) { scrobbler.conditionalScrobble(this, currentPlaying, position, duration); } reset(); downloadList.clear(); onSongsChanged(); if (currentDownloading != null && !backgroundDownloadList.contains(currentDownloading)) { currentDownloading.cancelDownload(); currentDownloading = null; } setCurrentPlaying(null, false); if (serialize) { lifecycleSupport.serializeDownloadQueue(); } updateRemotePlaylist(); setNextPlaying(); if (proxy != null) { proxy.stop(); proxy = null; } suggestedPlaylistName = null; suggestedPlaylistId = null; } public synchronized void remove(int which) { downloadList.remove(which); currentPlayingIndex = downloadList.indexOf(currentPlaying); } public synchronized void remove(DownloadFile downloadFile) { if (downloadFile == currentDownloading) { currentDownloading.cancelDownload(); currentDownloading = null; } if (downloadFile == currentPlaying) { reset(); setCurrentPlaying(null, false); } downloadList.remove(downloadFile); currentPlayingIndex = downloadList.indexOf(currentPlaying); backgroundDownloadList.remove(downloadFile); revision++; onSongsChanged(); lifecycleSupport.serializeDownloadQueue(); updateRemotePlaylist(); if (downloadFile == nextPlaying) { setNextPlaying(); } } public synchronized void removeBackground(DownloadFile downloadFile) { if (downloadFile == currentDownloading && downloadFile != currentPlaying && downloadFile != nextPlaying) { currentDownloading.cancelDownload(); currentDownloading = null; } backgroundDownloadList.remove(downloadFile); revision++; checkDownloads(); } public synchronized void delete(List<MusicDirectory.Entry> songs) { for (MusicDirectory.Entry song : songs) { forSong(song).delete(); } } public synchronized void unpin(List<MusicDirectory.Entry> songs) { for (MusicDirectory.Entry song : songs) { forSong(song).unpin(); } } synchronized void setCurrentPlaying(int currentPlayingIndex, boolean showNotification) { try { setCurrentPlaying(downloadList.get(currentPlayingIndex), showNotification); } catch (IndexOutOfBoundsException x) { // Ignored } } synchronized void setCurrentPlaying(DownloadFile currentPlaying, boolean showNotification) { if (this.currentPlaying != null) { this.currentPlaying.setPlaying(false); } this.currentPlaying = currentPlaying; if (currentPlaying == null) { currentPlayingIndex = -1; setPlayerState(IDLE); } else { currentPlayingIndex = downloadList.indexOf(currentPlaying); } if (currentPlaying != null && currentPlaying.getSong() != null) { Util.broadcastNewTrackInfo(this, currentPlaying.getSong()); mRemoteControl.updateMetadata(this, currentPlaying.getSong()); } else { Util.broadcastNewTrackInfo(this, null); Notifications.hidePlayingNotification(this, this, handler); } onSongChanged(); } synchronized void setNextPlaying() { SharedPreferences prefs = Util.getPreferences(DownloadService.this); // Only obey gapless playback for local if (remoteState == LOCAL) { boolean gaplessPlayback = prefs.getBoolean(Constants.PREFERENCES_KEY_GAPLESS_PLAYBACK, true); if (!gaplessPlayback) { nextPlaying = null; nextPlayerState = IDLE; return; } } setNextPlayerState(IDLE); int index = getNextPlayingIndex(); if (nextPlayingTask != null) { nextPlayingTask.cancel(); nextPlayingTask = null; } resetNext(); if (index < size() && index != -1 && index != currentPlayingIndex) { nextPlaying = downloadList.get(index); if (remoteState == LOCAL) { nextPlayingTask = new CheckCompletionTask(nextPlaying); nextPlayingTask.execute(); } else if (remoteController != null) { remoteController.changeNextTrack(nextPlaying); } } else { if (remoteState == LOCAL) { // resetNext(); } else if (remoteController != null) { remoteController.changeNextTrack(nextPlaying); } nextPlaying = null; } } public int getCurrentPlayingIndex() { return currentPlayingIndex; } private int getNextPlayingIndex() { int index = getCurrentPlayingIndex(); if (index != -1) { RepeatMode repeatMode = getRepeatMode(); switch (repeatMode) { case OFF: index = index + 1; break; case ALL: index = (index + 1) % size(); break; case SINGLE: break; default: break; } index = checkNextIndexValid(index, repeatMode); } return index; } private int checkNextIndexValid(int index, RepeatMode repeatMode) { int startIndex = index; int size = size(); if (index < size && index != -1) { if (!Util.isAllowedToDownload(this)) { DownloadFile next = downloadList.get(index); while (!next.isCompleteFileAvailable()) { index++; if (index >= size) { if (repeatMode == RepeatMode.ALL) { index = 0; } else { return -1; } } else if (index == startIndex) { handler.post(new Runnable() { @Override public void run() { Util.toast(DownloadService.this, R.string.download_playerstate_mobile_disabled); } }); return -1; } next = downloadList.get(index); } } } return index; } public DownloadFile getCurrentPlaying() { return currentPlaying; } public DownloadFile getCurrentDownloading() { return currentDownloading; } public DownloadFile getNextPlaying() { return nextPlaying; } public List<DownloadFile> getSongs() { return downloadList; } public List<DownloadFile> getToDelete() { return toDelete; } public synchronized List<DownloadFile> getDownloads() { List<DownloadFile> temp = new ArrayList<DownloadFile>(); temp.addAll(downloadList); temp.addAll(backgroundDownloadList); return temp; } public List<DownloadFile> getBackgroundDownloads() { return backgroundDownloadList; } /** Plays either the current song (resume) or the first/next one in queue. */ public synchronized void play() { int current = getCurrentPlayingIndex(); if (current == -1) { play(0); } else { play(current); } } public synchronized void play(int index) { play(index, true); } public synchronized void play(DownloadFile downloadFile) { play(downloadList.indexOf(downloadFile)); } private synchronized void play(int index, boolean start) { play(index, start, 0); } private synchronized void play(int index, boolean start, int position) { int size = this.size(); cachedPosition = 0; if (index < 0 || index >= size) { reset(); if (index >= size && size != 0) { setCurrentPlaying(0, false); Notifications.hidePlayingNotification(this, this, handler); } else { setCurrentPlaying(null, false); } lifecycleSupport.serializeDownloadQueue(); } else { if (nextPlayingTask != null) { nextPlayingTask.cancel(); nextPlayingTask = null; } setCurrentPlaying(index, start); if (start && remoteState != LOCAL) { remoteController.changeTrack(index, currentPlaying); } if (remoteState == LOCAL) { bufferAndPlay(position, start); checkDownloads(); setNextPlaying(); } } } private synchronized void playNext() { if (nextPlaying != null && nextPlayerState == PlayerState.PREPARED) { if (!nextSetup) { playNext(true); } else { nextSetup = false; playNext(false); } } else { onSongCompleted(); } } private synchronized void playNext(boolean start) { Util.broadcastPlaybackStatusChange(this, currentPlaying.getSong(), PlayerState.PREPARED); // Swap the media players since nextMediaPlayer is ready to play subtractPosition = 0; if (start) { nextMediaPlayer.start(); } else if (!nextMediaPlayer.isPlaying()) { Log.w(TAG, "nextSetup lied about it's state!"); nextMediaPlayer.start(); } else { Log.i(TAG, "nextMediaPlayer already playing"); // Next time the cachedPosition is updated, use that as position 0 subtractNextPosition = System.currentTimeMillis(); } MediaPlayer tmp = mediaPlayer; mediaPlayer = nextMediaPlayer; nextMediaPlayer = tmp; setCurrentPlaying(nextPlaying, true); setPlayerState(PlayerState.STARTED); setupHandlers(currentPlaying, false, start); setNextPlaying(); // Proxy should not be being used here since the next player was already setup to play if (proxy != null) { proxy.stop(); proxy = null; } checkDownloads(); } /** Plays or resumes the playback, depending on the current player state. */ public synchronized void togglePlayPause() { if (playerState == PAUSED || playerState == COMPLETED || playerState == STOPPED) { start(); } else if (playerState == STOPPED || playerState == IDLE) { autoPlayStart = true; play(); } else if (playerState == STARTED) { pause(); } } public synchronized void seekTo(int position) { if (position < 0) { position = 0; } try { if (remoteState != LOCAL) { remoteController.changePosition(position / 1000); } else { if (proxy != null && currentPlaying.isCompleteFileAvailable()) { doPlay(currentPlaying, position, playerState == STARTED); return; } mediaPlayer.seekTo(position); cachedPosition = position; subtractPosition = 0; } onSongProgress(); } catch (Exception x) { handleError(x); } } public synchronized void previous() { int index = getCurrentPlayingIndex(); if (index == -1) { return; } // If only one song, just skip within song if (size() == 1) { seekTo(getPlayerPosition() - REWIND); return; } // Restart song if played more than five seconds. if (getPlayerPosition() > 5000 || (index == 0 && getRepeatMode() != RepeatMode.ALL)) { seekTo(0); } else { if (index == 0) { index = size(); } play(index - 1, playerState != PAUSED && playerState != STOPPED && playerState != IDLE); } } public synchronized void next() { next(false); } public synchronized void next(boolean forceCutoff) { next(forceCutoff, false); } public synchronized void next(boolean forceCutoff, boolean forceStart) { // If only one song, just skip within song if (size() == 1) { seekTo(getPlayerPosition() + FAST_FORWARD); return; } else if (playerState == PREPARING || playerState == PREPARED) { return; } // Delete podcast if fully listened to int position = getPlayerPosition(); int duration = getPlayerDuration(); boolean cutoff; if (forceCutoff) { cutoff = true; } else { cutoff = isPastCutoff(position, duration); } if (currentPlaying != null && currentPlaying.getSong() instanceof PodcastEpisode) { if (cutoff) { toDelete.add(currentPlaying); } } if (cutoff) { clearCurrentBookmark(true); } if (currentPlaying != null) { scrobbler.conditionalScrobble(this, currentPlaying, position, duration); } int index = getCurrentPlayingIndex(); int nextPlayingIndex = getNextPlayingIndex(); // Make sure to actually go to next when repeat song is on if (index == nextPlayingIndex) { nextPlayingIndex++; } if (index != -1 && nextPlayingIndex < size()) { play(nextPlayingIndex, playerState != PAUSED && playerState != STOPPED && playerState != IDLE || forceStart); } } public void onSongCompleted() { play(getNextPlayingIndex()); } public synchronized void pause() { pause(false); } public synchronized void pause(boolean temp) { try { if (playerState == STARTED) { if (remoteState != LOCAL) { remoteController.stop(); } else { mediaPlayer.pause(); } setPlayerState(temp ? PAUSED_TEMP : PAUSED); } else if (playerState == PAUSED_TEMP) { setPlayerState(temp ? PAUSED_TEMP : PAUSED); } } catch (Exception x) { handleError(x); } } public synchronized void stop() { try { if (playerState == STARTED) { if (remoteState != LOCAL) { remoteController.stop(); setPlayerState(STOPPED); handler.post(new Runnable() { @Override public void run() { mediaRouter.setDefaultRoute(); } }); } else { mediaPlayer.pause(); setPlayerState(STOPPED); } } else if (playerState == PAUSED) { setPlayerState(STOPPED); } } catch (Exception x) { handleError(x); } } public synchronized void start() { try { if (remoteState != LOCAL) { remoteController.start(); } else { // Only start if done preparing if (playerState != PREPARING) { mediaPlayer.start(); } else { // Otherwise, we need to set it up to start when done preparing autoPlayStart = true; } } setPlayerState(STARTED); } catch (Exception x) { handleError(x); } } @TargetApi(Build.VERSION_CODES.JELLY_BEAN) public synchronized void reset() { if (bufferTask != null) { bufferTask.cancel(); bufferTask = null; } try { // Only set to idle if it's not being killed to start RemoteController if (remoteState == LOCAL) { setPlayerState(IDLE); } mediaPlayer.setOnErrorListener(null); mediaPlayer.setOnCompletionListener(null); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN && nextSetup) { mediaPlayer.setNextMediaPlayer(null); nextSetup = false; } mediaPlayer.reset(); subtractPosition = 0; } catch (Exception x) { handleError(x); } } @TargetApi(Build.VERSION_CODES.JELLY_BEAN) public synchronized void resetNext() { try { if (nextMediaPlayer != null) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN && nextSetup) { mediaPlayer.setNextMediaPlayer(null); } nextSetup = false; nextMediaPlayer.setOnCompletionListener(null); nextMediaPlayer.setOnErrorListener(null); nextMediaPlayer.reset(); nextMediaPlayer.release(); nextMediaPlayer = null; } else if (nextSetup) { nextSetup = false; } } catch (Exception e) { Log.w(TAG, "Failed to reset next media player"); } } public int getPlayerPosition() { try { if (playerState == IDLE || playerState == DOWNLOADING || playerState == PREPARING) { return 0; } if (remoteState != LOCAL) { return remoteController.getRemotePosition() * 1000; } else { return Math.max(0, cachedPosition - subtractPosition); } } catch (Exception x) { handleError(x); return 0; } } public synchronized int getPlayerDuration() { if (playerState != IDLE && playerState != DOWNLOADING && playerState != PlayerState.PREPARING) { int duration = 0; if (remoteState == LOCAL) { try { duration = mediaPlayer.getDuration(); } catch (Exception x) { duration = 0; } } else { duration = remoteController.getRemoteDuration() * 1000; } if (duration != 0) { return duration; } } if (currentPlaying != null) { Integer duration = currentPlaying.getSong().getDuration(); if (duration != null) { return duration * 1000; } } return 0; } public PlayerState getPlayerState() { return playerState; } public PlayerState getNextPlayerState() { return nextPlayerState; } public synchronized void setPlayerState(final PlayerState playerState) { Log.i(TAG, this.playerState.name() + " -> " + playerState.name() + " (" + currentPlaying + ")"); if (playerState == PAUSED) { lifecycleSupport.serializeDownloadQueue(); } boolean show = playerState == PlayerState.STARTED; boolean pause = playerState == PlayerState.PAUSED; boolean hide = playerState == PlayerState.STOPPED; Util.broadcastPlaybackStatusChange(this, (currentPlaying != null) ? currentPlaying.getSong() : null, playerState); this.playerState = playerState; if (playerState == STARTED) { Util.requestAudioFocus(this); } if (show) { Notifications.showPlayingNotification(this, this, handler, currentPlaying.getSong()); } else if (pause) { SharedPreferences prefs = Util.getPreferences(this); if (prefs.getBoolean(Constants.PREFERENCES_KEY_PERSISTENT_NOTIFICATION, false)) { Notifications.showPlayingNotification(this, this, handler, currentPlaying.getSong()); } else { Notifications.hidePlayingNotification(this, this, handler); } } else if (hide) { Notifications.hidePlayingNotification(this, this, handler); } if (mRemoteControl != null) { mRemoteControl.setPlaybackState(playerState.getRemoteControlClientPlayState()); } if (playerState == STARTED) { scrobbler.scrobble(this, currentPlaying, false); } else if (playerState == COMPLETED) { scrobbler.scrobble(this, currentPlaying, true); } if (playerState == STARTED && positionCache == null && remoteState == LOCAL) { positionCache = new LocalPositionCache(); Thread thread = new Thread(positionCache, "PositionCache"); thread.start(); } else if (playerState != STARTED && positionCache != null) { positionCache.stop(); positionCache = null; } if (playerState == STARTED && positionCache == null) { if (remoteState == LOCAL) { positionCache = new LocalPositionCache(); } else { positionCache = new PositionCache(); } Thread thread = new Thread(positionCache, "PositionCache"); thread.start(); } else if (playerState != STARTED && positionCache != null) { positionCache.stop(); positionCache = null; } onStateUpdate(); } private class PositionCache implements Runnable { boolean isRunning = true; public void stop() { isRunning = false; } @Override public void run() { // Stop checking position before the song reaches completion while (isRunning) { try { onSongProgress(); Thread.sleep(1000L); } catch (Exception e) { isRunning = false; positionCache = null; } } } } private class LocalPositionCache extends PositionCache { boolean isRunning = true; public void stop() { isRunning = false; } @Override public void run() { // Stop checking position before the song reaches completion while (isRunning) { try { if (mediaPlayer != null && playerState == STARTED) { int newPosition = mediaPlayer.getCurrentPosition(); // If sudden jump in position, something is wrong if (subtractNextPosition == 0 && newPosition > (cachedPosition + 5000)) { // Only 1 second should have gone by, subtract the rest subtractPosition += (newPosition - cachedPosition) - 1000; } cachedPosition = newPosition; if (subtractNextPosition > 0) { // Subtraction amount is current position - how long ago onCompletionListener was called subtractPosition = cachedPosition - (int) (System.currentTimeMillis() - subtractNextPosition); if (subtractPosition < 0) { subtractPosition = 0; } subtractNextPosition = 0; } } onSongProgress(); Thread.sleep(1000L); } catch (Exception e) { Log.w(TAG, "Crashed getting current position", e); isRunning = false; positionCache = null; } } } } private void setPlayerStateCompleted() { Log.i(TAG, this.playerState.name() + " -> " + PlayerState.COMPLETED + " (" + currentPlaying + ")"); this.playerState = PlayerState.COMPLETED; if (positionCache != null) { positionCache.stop(); positionCache = null; } scrobbler.scrobble(this, currentPlaying, true); } public synchronized void setNextPlayerState(PlayerState playerState) { Log.i(TAG, "Next: " + this.nextPlayerState.name() + " -> " + playerState.name() + " (" + nextPlaying + ")"); this.nextPlayerState = playerState; } public void setSuggestedPlaylistName(String name, String id) { this.suggestedPlaylistName = name; this.suggestedPlaylistId = id; SharedPreferences.Editor editor = Util.getPreferences(this).edit(); editor.putString(Constants.PREFERENCES_KEY_PLAYLIST_NAME, name); editor.putString(Constants.PREFERENCES_KEY_PLAYLIST_ID, id); editor.commit(); } public String getSuggestedPlaylistName() { return suggestedPlaylistName; } public String getSuggestedPlaylistId() { return suggestedPlaylistId; } public boolean getEqualizerAvailable() { return effectsController.isAvailable(); } public EqualizerController getEqualizerController() { EqualizerController controller = null; try { controller = effectsController.getEqualizerController(); if (controller.getEqualizer() == null) { throw new Exception("Failed to get EQ"); } } catch (Exception e) { Log.w(TAG, "Failed to start EQ, retrying with new mediaPlayer: " + e); // If we failed, we are going to try to reinitialize the MediaPlayer boolean playing = playerState == STARTED; int pos = getPlayerPosition(); mediaPlayer.pause(); Util.sleepQuietly(10L); reset(); try { // Resetup media player mediaPlayer.setAudioSessionId(audioSessionId); mediaPlayer.setDataSource(currentPlaying.getFile().getCanonicalPath()); controller = effectsController.getEqualizerController(); if (controller.getEqualizer() == null) { throw new Exception("Failed to get EQ"); } } catch (Exception e2) { Log.w(TAG, "Failed to setup EQ even after reinitialization"); // Don't try again, just resetup media player and continue on controller = null; } // Restart from same position and state we left off in play(getCurrentPlayingIndex(), false, pos); } return controller; } public MediaRouteSelector getRemoteSelector() { return mediaRouter.getSelector(); } public boolean isSeekable() { if (remoteState == LOCAL) { return currentPlaying != null && currentPlaying.isWorkDone() && playerState != PREPARING; } else if (remoteController != null) { return remoteController.isSeekable(); } else { return false; } } public boolean isRemoteEnabled() { return remoteState != LOCAL; } public RemoteController getRemoteController() { return remoteController; } public void setRemoteEnabled(RemoteControlState newState) { if (instance != null) { setRemoteEnabled(newState, null); } } public void setRemoteEnabled(RemoteControlState newState, Object ref) { setRemoteState(newState, ref); RouteInfo info = mediaRouter.getSelectedRoute(); String routeId = info.getId(); SharedPreferences.Editor editor = Util.getPreferences(this).edit(); editor.putInt(Constants.PREFERENCES_KEY_CONTROL_MODE, newState.getValue()); editor.putString(Constants.PREFERENCES_KEY_CONTROL_ID, routeId); editor.commit(); } private void setRemoteState(RemoteControlState newState, Object ref) { setRemoteState(newState, ref, null); } private void setRemoteState(final RemoteControlState newState, final Object ref, final String routeId) { // Don't try to do anything if already in the correct state if (remoteState == newState) { return; } boolean isPlaying = playerState == STARTED; int position = getPlayerPosition(); if (remoteController != null) { remoteController.stop(); setPlayerState(PlayerState.IDLE); remoteController.shutdown(); remoteController = null; if (newState == LOCAL) { mediaRouter.setDefaultRoute(); } } Log.i(TAG, remoteState.name() + " => " + newState.name() + " (" + currentPlaying + ")"); remoteState = newState; switch (newState) { case JUKEBOX_SERVER: remoteController = new JukeboxController(this, handler); break; case CHROMECAST: case DLNA: if (ref == null) { remoteState = LOCAL; break; } remoteController = (RemoteController) ref; break; case LOCAL: default: break; } if (remoteController != null) { remoteController.create(isPlaying, position / 1000); } else { play(getCurrentPlayingIndex(), isPlaying, position); } if (remoteState != LOCAL) { reset(); // Cancel current download, if necessary. if (currentDownloading != null) { currentDownloading.cancelDownload(); } // Cancels current setup tasks if (bufferTask != null && bufferTask.isRunning()) { bufferTask.cancel(); bufferTask = null; } if (nextPlayingTask != null && nextPlayingTask.isRunning()) { nextPlayingTask.cancel(); nextPlayingTask = null; } } if (remoteState == LOCAL) { checkDownloads(); } if (routeId != null) { final Runnable delayedReconnect = new Runnable() { @Override public void run() { RouteInfo info = mediaRouter.getRouteForId(routeId); if (info == null) { setRemoteState(LOCAL, null); } else if (newState == RemoteControlState.CHROMECAST) { RemoteController controller = mediaRouter.getRemoteController(info); if (controller != null) { setRemoteState(RemoteControlState.CHROMECAST, controller); } } mediaRouter.stopScan(); } }; handler.post(new Runnable() { @Override public void run() { mediaRouter.startScan(); RouteInfo info = mediaRouter.getRouteForId(routeId); if (info == null) { handler.postDelayed(delayedReconnect, 2000L); } else if (newState == RemoteControlState.CHROMECAST) { RemoteController controller = mediaRouter.getRemoteController(info); if (controller != null) { setRemoteState(RemoteControlState.CHROMECAST, controller); } } } }); } } public void registerRoute(MediaRouter router) { if (mRemoteControl != null) { mRemoteControl.registerRoute(router); } } public void unregisterRoute(MediaRouter router) { if (mRemoteControl != null) { mRemoteControl.unregisterRoute(router); } } public void updateRemoteVolume(boolean up) { AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE); audioManager.adjustVolume(up ? AudioManager.ADJUST_RAISE : AudioManager.ADJUST_LOWER, AudioManager.FLAG_SHOW_UI); } public void startRemoteScan() { mediaRouter.startScan(); } public void stopRemoteScan() { mediaRouter.stopScan(); } private synchronized void bufferAndPlay() { bufferAndPlay(0); } private synchronized void bufferAndPlay(int position) { bufferAndPlay(position, true); } private synchronized void bufferAndPlay(int position, boolean start) { if (!currentPlaying.isCompleteFileAvailable()) { if (Util.isAllowedToDownload(this)) { reset(); bufferTask = new BufferTask(currentPlaying, position, start); bufferTask.execute(); } else { next(false, start); } } else { doPlay(currentPlaying, position, start); } } private synchronized void doPlay(final DownloadFile downloadFile, final int position, final boolean start) { try { downloadFile.setPlaying(true); final File file = downloadFile.isCompleteFileAvailable() ? downloadFile.getCompleteFile() : downloadFile.getPartialFile(); boolean isPartial = file.equals(downloadFile.getPartialFile()); downloadFile.updateModificationDate(); subtractPosition = 0; mediaPlayer.setOnCompletionListener(null); mediaPlayer.setOnPreparedListener(null); mediaPlayer.setOnErrorListener(null); mediaPlayer.reset(); setPlayerState(IDLE); try { mediaPlayer.setAudioSessionId(audioSessionId); } catch (Throwable e) { mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC); } String dataSource = file.getAbsolutePath(); if (isPartial && !Util.isOffline(this)) { if (proxy == null) { proxy = new BufferProxy(this); proxy.start(); } proxy.setBufferFile(downloadFile); dataSource = proxy.getPrivateAddress(dataSource); Log.i(TAG, "Data Source: " + dataSource); } else if (proxy != null) { proxy.stop(); proxy = null; } mediaPlayer.setDataSource(dataSource); setPlayerState(PREPARING); mediaPlayer.setOnBufferingUpdateListener(new MediaPlayer.OnBufferingUpdateListener() { public void onBufferingUpdate(MediaPlayer mp, int percent) { Log.i(TAG, "Buffered " + percent + "%"); if (percent == 100) { mediaPlayer.setOnBufferingUpdateListener(null); } } }); mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() { public void onPrepared(MediaPlayer mediaPlayer) { try { setPlayerState(PREPARED); synchronized (DownloadService.this) { if (position != 0) { Log.i(TAG, "Restarting player from position " + position); mediaPlayer.seekTo(position); } cachedPosition = position; applyReplayGain(mediaPlayer, downloadFile); if (start || autoPlayStart) { mediaPlayer.start(); setPlayerState(STARTED); // Disable autoPlayStart after done autoPlayStart = false; } else { setPlayerState(PAUSED); onSongProgress(); } } // Only call when starting, setPlayerState(PAUSED) already calls this if (start) { lifecycleSupport.serializeDownloadQueue(); } } catch (Exception x) { handleError(x); } } }); setupHandlers(downloadFile, isPartial, start); mediaPlayer.prepareAsync(); } catch (Exception x) { handleError(x); } } @TargetApi(Build.VERSION_CODES.JELLY_BEAN) private synchronized void setupNext(final DownloadFile downloadFile) { try { final File file = downloadFile.isCompleteFileAvailable() ? downloadFile.getCompleteFile() : downloadFile.getPartialFile(); resetNext(); // Exit when using remote controllers if (remoteState != LOCAL) { return; } nextMediaPlayer = new MediaPlayer(); nextMediaPlayer.setWakeMode(DownloadService.this, PowerManager.PARTIAL_WAKE_LOCK); try { nextMediaPlayer.setAudioSessionId(audioSessionId); } catch (Throwable e) { nextMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC); } nextMediaPlayer.setDataSource(file.getPath()); setNextPlayerState(PREPARING); nextMediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() { public void onPrepared(MediaPlayer mp) { // Changed to different while preparing so ignore if (nextMediaPlayer != mp) { return; } try { setNextPlayerState(PREPARED); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN && (playerState == PlayerState.STARTED || playerState == PlayerState.PAUSED)) { mediaPlayer.setNextMediaPlayer(nextMediaPlayer); nextSetup = true; } applyReplayGain(nextMediaPlayer, downloadFile); } catch (Exception x) { handleErrorNext(x); } } }); nextMediaPlayer.setOnErrorListener(new MediaPlayer.OnErrorListener() { public boolean onError(MediaPlayer mediaPlayer, int what, int extra) { Log.w(TAG, "Error on playing next " + "(" + what + ", " + extra + "): " + downloadFile); return true; } }); nextMediaPlayer.prepareAsync(); } catch (Exception x) { handleErrorNext(x); } } private void setupHandlers(final DownloadFile downloadFile, final boolean isPartial, final boolean isPlaying) { final int duration = downloadFile.getSong().getDuration() == null ? 0 : downloadFile.getSong().getDuration() * 1000; mediaPlayer.setOnErrorListener(new MediaPlayer.OnErrorListener() { public boolean onError(MediaPlayer mediaPlayer, int what, int extra) { Log.w(TAG, "Error on playing file " + "(" + what + ", " + extra + "): " + downloadFile); int pos = getPlayerPosition(); reset(); if (!isPartial || (downloadFile.isWorkDone() && (Math.abs(duration - pos) < 10000))) { playNext(); } else { downloadFile.setPlaying(false); doPlay(downloadFile, pos, isPlaying); downloadFile.setPlaying(true); } return true; } }); mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() { @Override public void onCompletion(MediaPlayer mediaPlayer) { // Acquire a temporary wakelock, since when we return from // this callback the MediaPlayer will release its wakelock // and allow the device to go to sleep. wakeLock.acquire(30000); setPlayerStateCompleted(); int pos = getPlayerPosition(); Log.i(TAG, "Ending position " + pos + " of " + duration); if (!isPartial || (downloadFile.isWorkDone() && (Math.abs(duration - pos) < 10000)) || nextSetup) { playNext(); postPlayCleanup(downloadFile); } else { // If file is not completely downloaded, restart the playback from the current position. synchronized (DownloadService.this) { if (downloadFile.isWorkDone()) { // Complete was called early even though file is fully buffered Log.i(TAG, "Requesting restart from " + pos + " of " + duration); reset(); downloadFile.setPlaying(false); doPlay(downloadFile, pos, true); downloadFile.setPlaying(true); } else { Log.i(TAG, "Requesting restart from " + pos + " of " + duration); reset(); bufferTask = new BufferTask(downloadFile, pos, true); bufferTask.execute(); } } checkDownloads(); } } }); } public void setSleepTimerDuration(int duration) { timerDuration = duration; } public void startSleepTimer() { if (sleepTimer != null) { sleepTimer.cancel(); sleepTimer.purge(); } sleepTimer = new Timer(); sleepTimer.schedule(new TimerTask() { @Override public void run() { pause(); sleepTimer.cancel(); sleepTimer.purge(); sleepTimer = null; } }, timerDuration * 60 * 1000); timerStart = System.currentTimeMillis(); } public int getSleepTimeRemaining() { return (int) (timerStart + (timerDuration * 60 * 1000) - System.currentTimeMillis()) / 1000; } public void stopSleepTimer() { if (sleepTimer != null) { sleepTimer.cancel(); sleepTimer.purge(); } sleepTimer = null; } public boolean getSleepTimer() { return sleepTimer != null; } public void setVolume(float volume) { if (mediaPlayer != null && (playerState == STARTED || playerState == PAUSED || playerState == STOPPED)) { try { this.volume = volume; reapplyVolume(); } catch (Exception e) { Log.w(TAG, "Failed to set volume"); } } } public void reapplyVolume() { applyReplayGain(mediaPlayer, currentPlaying); } public synchronized void swap(boolean mainList, DownloadFile from, DownloadFile to) { List<DownloadFile> list = mainList ? downloadList : backgroundDownloadList; swap(mainList, list.indexOf(from), list.indexOf(to)); } public synchronized void swap(boolean mainList, int from, int to) { List<DownloadFile> list = mainList ? downloadList : backgroundDownloadList; int max = list.size(); if (to >= max) { to = max - 1; } else if (to < 0) { to = 0; } DownloadFile movedSong = list.remove(from); list.add(to, movedSong); currentPlayingIndex = downloadList.indexOf(currentPlaying); if (mainList) { if (remoteState == LOCAL || (remoteController != null && remoteController.isNextSupported())) { // Moving next playing, current playing, or moving a song to be next playing if (movedSong == nextPlaying || movedSong == currentPlaying || (currentPlayingIndex + 1) == to) { setNextPlaying(); } } else { updateRemotePlaylist(); } } } public synchronized void serializeQueue() { serializeQueue(true); } public synchronized void serializeQueue(boolean serializeRemote) { if (playerState == PlayerState.PAUSED) { lifecycleSupport.serializeDownloadQueue(serializeRemote); } } private void handleError(Exception x) { Log.w(TAG, "Media player error: " + x, x); if (mediaPlayer != null) { try { mediaPlayer.reset(); } catch (Exception e) { Log.e(TAG, "Failed to reset player in error handler"); } } setPlayerState(IDLE); } private void handleErrorNext(Exception x) { Log.w(TAG, "Next Media player error: " + x, x); try { nextMediaPlayer.reset(); } catch (Exception e) { Log.e(TAG, "Failed to reset next media player", x); } setNextPlayerState(IDLE); } public synchronized void checkDownloads() { if (!Util.isExternalStoragePresent() || !lifecycleSupport.isExternalStorageAvailable()) { return; } if (removePlayed) { checkRemovePlayed(); } if (shufflePlay) { checkShufflePlay(); } if (artistRadio) { checkArtistRadio(); } if (!Util.isNetworkConnected(this, true) || Util.isOffline(this)) { return; } if (downloadList.isEmpty() && backgroundDownloadList.isEmpty()) { return; } // Need to download current playing and not casting? if (currentPlaying != null && remoteState == LOCAL && currentPlaying != currentDownloading && !currentPlaying.isWorkDone()) { // Cancel current download, if necessary. if (currentDownloading != null) { currentDownloading.cancelDownload(); } currentDownloading = currentPlaying; currentDownloading.download(); cleanupCandidates.add(currentDownloading); } // Find a suitable target for download. else if (currentDownloading == null || currentDownloading.isWorkDone() || currentDownloading.isFailed() && ((!downloadList.isEmpty() && remoteState == LOCAL) || !backgroundDownloadList.isEmpty())) { currentDownloading = null; int n = size(); int preloaded = 0; if (n != 0 && remoteState == LOCAL) { int start = currentPlaying == null ? 0 : getCurrentPlayingIndex(); if (start == -1) { start = 0; } int i = start; do { DownloadFile downloadFile = downloadList.get(i); if (!downloadFile.isWorkDone() && !downloadFile.isFailedMax()) { if (downloadFile.shouldSave() || preloaded < Util.getPreloadCount(this)) { currentDownloading = downloadFile; currentDownloading.download(); cleanupCandidates.add(currentDownloading); if (i == (start + 1)) { setNextPlayerState(DOWNLOADING); } break; } } else if (currentPlaying != downloadFile) { preloaded++; } i = (i + 1) % n; } while (i != start); } if ((preloaded + 1 == n || preloaded >= Util.getPreloadCount(this) || downloadList.isEmpty() || remoteState != LOCAL) && !backgroundDownloadList.isEmpty()) { for (int i = 0; i < backgroundDownloadList.size(); i++) { DownloadFile downloadFile = backgroundDownloadList.get(i); if (downloadFile.isWorkDone() && (!downloadFile.shouldSave() || downloadFile.isSaved()) || downloadFile.isFailedMax()) { // Don't need to keep list like active song list backgroundDownloadList.remove(i); revision++; i--; } else { currentDownloading = downloadFile; currentDownloading.download(); cleanupCandidates.add(currentDownloading); break; } } } } if (!backgroundDownloadList.isEmpty()) { Notifications.showDownloadingNotification(this, this, handler, currentDownloading, backgroundDownloadList.size()); downloadOngoing = true; } else if (backgroundDownloadList.isEmpty() && downloadOngoing) { Notifications.hideDownloadingNotification(this, this, handler); downloadOngoing = false; } // Delete obsolete .partial and .complete files. cleanup(); } private synchronized void checkRemovePlayed() { boolean changed = false; SharedPreferences prefs = Util.getPreferences(this); int keepCount = Integer.parseInt(prefs.getString(Constants.PREFERENCES_KEY_KEEP_PLAYED_CNT, "0")); while (currentPlayingIndex > keepCount) { downloadList.remove(0); currentPlayingIndex = downloadList.indexOf(currentPlaying); changed = true; } if (changed) { revision++; onSongsChanged(); } } private synchronized void checkShufflePlay() { // Get users desired random playlist size SharedPreferences prefs = Util.getPreferences(this); int listSize = Math.max(1, Integer.parseInt(prefs.getString(Constants.PREFERENCES_KEY_RANDOM_SIZE, "20"))); boolean wasEmpty = downloadList.isEmpty(); long revisionBefore = revision; // First, ensure that list is at least 20 songs long. int size = size(); if (size < listSize) { for (MusicDirectory.Entry song : shufflePlayBuffer.get(listSize - size)) { DownloadFile downloadFile = new DownloadFile(this, song, false); downloadList.add(downloadFile); revision++; } } int currIndex = currentPlaying == null ? 0 : getCurrentPlayingIndex(); // Only shift playlist if playing song #5 or later. if (currIndex > 4) { int songsToShift = currIndex - 2; for (MusicDirectory.Entry song : shufflePlayBuffer.get(songsToShift)) { downloadList.add(new DownloadFile(this, song, false)); downloadList.get(0).cancelDownload(); downloadList.remove(0); revision++; } } currentPlayingIndex = downloadList.indexOf(currentPlaying); if (revisionBefore != revision) { onSongsChanged(); updateRemotePlaylist(); } if (wasEmpty && !downloadList.isEmpty()) { play(0); } } private synchronized void checkArtistRadio() { // Get users desired random playlist size SharedPreferences prefs = Util.getPreferences(this); int listSize = Math.max(1, Integer.parseInt(prefs.getString(Constants.PREFERENCES_KEY_RANDOM_SIZE, "20"))); boolean wasEmpty = downloadList.isEmpty(); long revisionBefore = revision; // First, ensure that list is at least 20 songs long. int size = size(); if (size < listSize) { for (MusicDirectory.Entry song : artistRadioBuffer.get(listSize - size)) { DownloadFile downloadFile = new DownloadFile(this, song, false); downloadList.add(downloadFile); revision++; } } int currIndex = currentPlaying == null ? 0 : getCurrentPlayingIndex(); // Only shift playlist if playing song #5 or later. if (currIndex > 4) { int songsToShift = currIndex - 2; for (MusicDirectory.Entry song : artistRadioBuffer.get(songsToShift)) { downloadList.add(new DownloadFile(this, song, false)); downloadList.get(0).cancelDownload(); downloadList.remove(0); revision++; } } currentPlayingIndex = downloadList.indexOf(currentPlaying); if (revisionBefore != revision) { onSongsChanged(); updateRemotePlaylist(); } if (wasEmpty && !downloadList.isEmpty()) { play(0); } } public long getDownloadListUpdateRevision() { return revision; } private synchronized void cleanup() { Iterator<DownloadFile> iterator = cleanupCandidates.iterator(); while (iterator.hasNext()) { DownloadFile downloadFile = iterator.next(); if (downloadFile != currentPlaying && downloadFile != currentDownloading) { if (downloadFile.cleanup()) { iterator.remove(); } } } } public void postPlayCleanup() { postPlayCleanup(currentPlaying); } public void postPlayCleanup(DownloadFile downloadFile) { if (downloadFile == null) { return; } // Finished loading, delete when list is cleared if (downloadFile.getSong() instanceof PodcastEpisode) { toDelete.add(downloadFile); } clearCurrentBookmark(downloadFile.getSong(), true); } private boolean isPastCutoff() { return isPastCutoff(getPlayerPosition(), getPlayerDuration()); } private boolean isPastCutoff(int position, int duration) { return isPastCutoff(position, duration, false); } private boolean isPastCutoff(int position, int duration, boolean allowSkipping) { if (currentPlaying == null) { return false; } // Make cutoff a maximum of 10 minutes int cutoffPoint = Math.min((int) (duration * DELETE_CUTOFF), 10 * 60 * 1000); boolean isPastCutoff = duration > 0 && position > cutoffPoint; // Check to make sure song isn't within 10 seconds of where it was created MusicDirectory.Entry entry = currentPlaying.getSong(); if (entry != null && entry.getBookmark() != null) { Bookmark bookmark = entry.getBookmark(); if (position < (bookmark.getPosition() + 10000)) { isPastCutoff = false; } } // Check to make sure we aren't in a series of similar content before deleting bookmark if (isPastCutoff && allowSkipping) { // Check to make sure: // Is an audio book // Next playing exists and is not a wrap around or a shuffle // Next playing is from same context as current playing, so not at end of list if (entry.isAudioBook() && nextPlaying != null && downloadList.indexOf(nextPlaying) != 0 && !shufflePlay && entry.getParent() != null && entry.getParent().equals(nextPlaying.getSong().getParent())) { isPastCutoff = false; } } return isPastCutoff; } private void clearCurrentBookmark() { clearCurrentBookmark(false); } private void clearCurrentBookmark(boolean checkDelete) { // If current is null, nothing to do if (currentPlaying == null) { return; } clearCurrentBookmark(currentPlaying.getSong(), checkDelete); } private void clearCurrentBookmark(final MusicDirectory.Entry entry, boolean checkDelete) { // If no bookmark, move on if (entry.getBookmark() == null) { return; } // If delete is not specified, check position if (!checkDelete) { checkDelete = isPastCutoff(); } // If supposed to delete if (checkDelete) { new SilentBackgroundTask<Void>(this) { @Override public Void doInBackground() throws Throwable { MusicService musicService = MusicServiceFactory.getMusicService(DownloadService.this); entry.setBookmark(null); musicService.deleteBookmark(entry, DownloadService.this, null); MusicDirectory.Entry found = UpdateView.findEntry(entry); if (found != null) { found.setBookmark(null); } return null; } @Override public void error(Throwable error) { Log.e(TAG, "Failed to delete bookmark", error); String msg; if (error instanceof OfflineException || error instanceof ServerTooOldException) { msg = getErrorMessage(error); } else { msg = DownloadService.this.getResources().getString(R.string.bookmark_deleted_error, entry.getTitle()) + " " + getErrorMessage(error); } Util.toast(DownloadService.this, msg, false); } }.execute(); } } private void checkAddBookmark() { // Don't do anything if no current playing if (currentPlaying == null || !ServerInfo.canBookmark(this)) { return; } final MusicDirectory.Entry entry = currentPlaying.getSong(); int duration = getPlayerDuration(); // If song is podcast or long go ahead and auto add a bookmark if (entry.isPodcast() || entry.isAudioBook() || duration > (10L * 60L * 1000L)) { final Context context = this; final int position = getPlayerPosition(); // Don't bother when at beginning if (position < 5000L) { return; } new SilentBackgroundTask<Void>(context) { @Override public Void doInBackground() throws Throwable { MusicService musicService = MusicServiceFactory.getMusicService(context); entry.setBookmark(new Bookmark(position)); musicService.createBookmark(entry, position, "Auto created by DSub", context, null); MusicDirectory.Entry found = UpdateView.findEntry(entry); if (found != null) { found.setBookmark(new Bookmark(position)); } return null; } @Override public void error(Throwable error) { Log.w(TAG, "Failed to create automatic bookmark", error); String msg; if (error instanceof OfflineException || error instanceof ServerTooOldException) { msg = getErrorMessage(error); } else { msg = context.getResources().getString(R.string.download_save_bookmark_failed) + getErrorMessage(error); } Util.toast(context, msg, false); } }.execute(); } } private void applyReplayGain(MediaPlayer mediaPlayer, DownloadFile downloadFile) { if (currentPlaying == null) { return; } SharedPreferences prefs = Util.getPreferences(this); try { float[] rg = BastpUtil .getReplayGainValues(downloadFile.getFile().getCanonicalPath()); /* track, album */ float adjust = 0f; if (prefs.getBoolean(Constants.PREFERENCES_KEY_REPLAY_GAIN, false)) { boolean singleAlbum = false; String replayGainType = prefs.getString(Constants.PREFERENCES_KEY_REPLAY_GAIN_TYPE, "1"); // 1 => Smart replay gain if ("1".equals(replayGainType)) { // Check if part of at least <REQUIRED_ALBUM_MATCHES> consequetive songs of the same album int index = downloadList.indexOf(downloadFile); if (index != -1) { String albumName = downloadFile.getSong().getAlbum(); int matched = 0; // Check forwards for (int i = index + 1; i < downloadList.size() && matched < REQUIRED_ALBUM_MATCHES; i++) { if (albumName.equals(downloadList.get(i).getSong().getAlbum())) { matched++; } else { break; } } // Check backwards for (int i = index - 1; i >= 0 && matched < REQUIRED_ALBUM_MATCHES; i--) { if (albumName.equals(downloadList.get(i).getSong().getAlbum())) { matched++; } else { break; } } if (matched >= REQUIRED_ALBUM_MATCHES) { singleAlbum = true; } } } // 2 => Use album tags else if ("2".equals(replayGainType)) { singleAlbum = true; } // 3 => Use track tags // Already false, no need to do anything here // If playing a single album or no track gain, use album gain if ((singleAlbum || rg[0] == 0) && rg[1] != 0) { adjust = rg[1]; } else { // Otherwise, give priority to track gain adjust = rg[0]; } if (adjust == 0) { /* No RG value found: decrease volume for untagged song if requested by user */ int untagged = Integer .parseInt(prefs.getString(Constants.PREFERENCES_KEY_REPLAY_GAIN_UNTAGGED, "0")); adjust = (untagged - 150) / 10f; } else { int bump = Integer.parseInt(prefs.getString(Constants.PREFERENCES_KEY_REPLAY_GAIN_BUMP, "150")); adjust += (bump - 150) / 10f; } } float rg_result = ((float) Math.pow(10, (adjust / 20))) * volume; if (rg_result > 1.0f) { rg_result = 1.0f; /* android would IGNORE the change if this is > 1 and we would end up with the wrong volume */ } else if (rg_result < 0.0f) { rg_result = 0.0f; } mediaPlayer.setVolume(rg_result, rg_result); } catch (IOException e) { Log.w(TAG, "Failed to apply replay gain values", e); } } public void addOnSongChangedListener(OnSongChangedListener listener) { addOnSongChangedListener(listener, false); } public void addOnSongChangedListener(OnSongChangedListener listener, boolean run) { int index = onSongChangedListeners.indexOf(listener); if (index == -1) { onSongChangedListeners.add(listener); } if (run) { if (mediaPlayerHandler != null) { mediaPlayerHandler.post(new Runnable() { @Override public void run() { onSongsChanged(); onSongProgress(); onStateUpdate(); } }); } else { runListenersOnInit = true; } } } public void removeOnSongChangeListener(OnSongChangedListener listener) { int index = onSongChangedListeners.indexOf(listener); if (index != -1) { onSongChangedListeners.remove(index); } } private synchronized void onSongChanged() { final long atRevision = revision; for (final OnSongChangedListener listener : onSongChangedListeners) { handler.post(new Runnable() { @Override public void run() { if (revision == atRevision) { listener.onSongChanged(currentPlaying, currentPlayingIndex); } } }); } if (mediaPlayerHandler != null && !onSongChangedListeners.isEmpty()) { mediaPlayerHandler.post(new Runnable() { @Override public void run() { onSongProgress(); } }); } } private synchronized void onSongsChanged() { final long atRevision = revision; for (final OnSongChangedListener listener : onSongChangedListeners) { handler.post(new Runnable() { @Override public void run() { if (revision == atRevision) { listener.onSongsChanged(downloadList, currentPlaying, currentPlayingIndex); } } }); } } private synchronized void onSongProgress() { final long atRevision = revision; final Integer duration = getPlayerDuration(); final boolean isSeekable = isSeekable(); final int position = getPlayerPosition(); for (final OnSongChangedListener listener : onSongChangedListeners) { handler.post(new Runnable() { @Override public void run() { if (revision == atRevision) { listener.onSongProgress(currentPlaying, position, duration, isSeekable); } } }); } } private void onStateUpdate() { final long atRevision = revision; for (final OnSongChangedListener listener : onSongChangedListeners) { handler.post(new Runnable() { @Override public void run() { if (revision == atRevision) { listener.onStateUpdate(currentPlaying, playerState); } } }); } } private class BufferTask extends SilentBackgroundTask<Void> { private final DownloadFile downloadFile; private final int position; private final long expectedFileSize; private final File partialFile; private final boolean start; public BufferTask(DownloadFile downloadFile, int position, boolean start) { super(instance); this.downloadFile = downloadFile; this.position = position; partialFile = downloadFile.getPartialFile(); this.start = start; // Calculate roughly how many bytes BUFFER_LENGTH_SECONDS corresponds to. int bitRate = downloadFile.getBitRate(); long byteCount = Math.max(100000, bitRate * 1024L / 8L * 5L); // Find out how large the file should grow before resuming playback. Log.i(TAG, "Buffering from position " + position + " and bitrate " + bitRate); expectedFileSize = (position * bitRate / 8) + byteCount; } @Override public Void doInBackground() throws InterruptedException { setPlayerState(DOWNLOADING); while (!bufferComplete()) { Thread.sleep(1000L); if (isCancelled() || downloadFile.isFailedMax()) { return null; } else if (!downloadFile.isFailedMax() && !downloadFile.isDownloading()) { checkDownloads(); } } doPlay(downloadFile, position, start); return null; } private boolean bufferComplete() { boolean completeFileAvailable = downloadFile.isWorkDone(); long size = partialFile.length(); Log.i(TAG, "Buffering " + partialFile + " (" + size + "/" + expectedFileSize + ", " + completeFileAvailable + ")"); return completeFileAvailable || size >= expectedFileSize; } @Override public String toString() { return "BufferTask (" + downloadFile + ")"; } } private class CheckCompletionTask extends SilentBackgroundTask<Void> { private final DownloadFile downloadFile; private final File partialFile; public CheckCompletionTask(DownloadFile downloadFile) { super(instance); this.downloadFile = downloadFile; if (downloadFile != null) { partialFile = downloadFile.getPartialFile(); } else { partialFile = null; } } @Override public Void doInBackground() throws InterruptedException { if (downloadFile == null) { return null; } // Do an initial sleep so this prepare can't compete with main prepare Thread.sleep(5000L); while (!bufferComplete()) { Thread.sleep(5000L); if (isCancelled()) { return null; } } // Start the setup of the next media player mediaPlayerHandler.post(new Runnable() { public void run() { if (!CheckCompletionTask.this.isCancelled()) { setupNext(downloadFile); } } }); return null; } private boolean bufferComplete() { boolean completeFileAvailable = downloadFile.isWorkDone(); Log.i(TAG, "Buffering next " + partialFile + " (" + partialFile.length() + "): " + completeFileAvailable); return completeFileAvailable && (playerState == PlayerState.STARTED || playerState == PlayerState.PAUSED); } @Override public String toString() { return "CheckCompletionTask (" + downloadFile + ")"; } } public interface OnSongChangedListener { void onSongChanged(DownloadFile currentPlaying, int currentPlayingIndex); void onSongsChanged(List<DownloadFile> songs, DownloadFile currentPlaying, int currentPlayingIndex); void onSongProgress(DownloadFile currentPlaying, int millisPlayed, Integer duration, boolean isSeekable); void onStateUpdate(DownloadFile downloadFile, PlayerState playerState); } }