Merge branch 'backgroundPlayback'

app/src/main/AndroidManifest.xml

@@ -2,8 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     package="org.schabi.newpipe" >
-
     <uses-permission android:name= "android.permission.INTERNET" />
+    <uses-permission android:name= "android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
     <application
@@ -74,6 +74,12 @@
             android:parentActivityName=".VideoItemDetailActivity"
             tools:ignore="UnusedAttribute">
         </activity>
+        <!--TODO: make label a translatable string -->
+        <service
+            android:name=".BackgroundPlayer"
+            android:label="NewPipe Background Player"
+            android:exported="false" >
+        </service>
         <activity
             android:name=".SettingsActivity"
             android:label="@string/title_activity_settings" >

app/src/main/java/org/schabi/newpipe/ActionBarHandler.java

@@ -120,6 +120,9 @@ class ActionBarHandler {
                 }
             }
         }
+        else {
+            Log.e(TAG, "FAILED to set audioStream value!");
+        }
     }
 
     private void selectFormatItem(int i) {
@@ -136,7 +139,7 @@ class ActionBarHandler {
         MenuItem castItem = menu.findItem(R.id.action_play_with_kodi);
 
         castItem.setVisible(defaultPreferences
-                .getBoolean(activity.getString(R.string.showPlayWidthKodiPreference), false));
+                .getBoolean(activity.getString(R.string.showPlayWithKodiPreference), false));
     }
 
     public boolean onItemSelected(MenuItem item) {
@@ -184,7 +187,7 @@ class ActionBarHandler {
         // ----------- THE MAGIC MOMENT ---------------
         if(!videoTitle.isEmpty()) {
             if (PreferenceManager.getDefaultSharedPreferences(activity)
-                    .getBoolean(activity.getString(R.string.useExternalPlayer), false)) {
+                    .getBoolean(activity.getString(R.string.useExternalVideoPlayer), false)) {
 
                 // External Player
                 Intent intent = new Intent();
@@ -293,14 +296,32 @@ class ActionBarHandler {
         }
     }
 
-    private void playAudio() {
-        Intent intent = new Intent();
+    public void playAudio() {
+
+        boolean externalAudioPlayer = PreferenceManager.getDefaultSharedPreferences(activity)
+                .getBoolean(activity.getString(R.string.useExternalAudioPlayer), false);
+        Intent intent;
+        if (!externalAudioPlayer)//internal (background) music player: explicit intent
+        {
+            intent = new Intent(activity, BackgroundPlayer.class);
+
+            intent.setAction(Intent.ACTION_VIEW);
+            Log.i(TAG, "audioStream is null:" + (audioStream == null));
+            Log.i(TAG, "audioStream.url is null:"+(audioStream.url==null));
+            intent.setDataAndType(Uri.parse(audioStream.url),
+                    MediaFormat.getMimeById(audioStream.format));
+            intent.putExtra(Intent.EXTRA_TITLE, videoTitle);
+            intent.putExtra("title", videoTitle);
+            activity.startService(intent);
+        } else {
+            intent = new Intent();
             try {
                 intent.setAction(Intent.ACTION_VIEW);
                 intent.setDataAndType(Uri.parse(audioStream.url),
                         MediaFormat.getMimeById(audioStream.format));
                 intent.putExtra(Intent.EXTRA_TITLE, videoTitle);
                 intent.putExtra("title", videoTitle);
+
                 activity.startActivity(intent);      // HERE !!!
             } catch (Exception e) {
                 e.printStackTrace();
@@ -327,3 +348,4 @@ class ActionBarHandler {
             }
         }
     }
+}

app/src/main/java/org/schabi/newpipe/BackgroundPlayer.java

@@ -0,0 +1,255 @@
+package org.schabi.newpipe;
+
+import android.app.Notification;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.app.Service;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
+import android.net.wifi.WifiManager;
+import android.os.IBinder;
+import android.os.PowerManager;
+import android.support.v7.app.NotificationCompat;
+import android.util.Log;
+import android.widget.Toast;
+
+import java.io.IOException;
+
+/**
+ * Created by Adam Howard on 08/11/15.
+ * Copyright (c) Adam Howard <achdisposable1@gmail.com> 2015
+ *
+ * BackgroundPlayer.java is part of NewPipe.
+ *
+ * NewPipe 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.
+ *
+ * NewPipe 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 NewPipe.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**Plays the audio stream of videos in the background.*/
+public class BackgroundPlayer extends Service /*implements MediaPlayer.OnPreparedListener*/ {
+
+    private static final String TAG = BackgroundPlayer.class.toString();
+    private static final String ACTION_STOP = TAG+".STOP";
+    private static final String ACTION_PLAYPAUSE = TAG+".PLAYPAUSE";
+
+    public BackgroundPlayer() {
+        super();
+    }
+
+    @Override
+    public void onCreate() {
+        /*PendingIntent pi = PendingIntent.getActivity(this, 0,
+                new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);*/
+        super.onCreate();
+    }
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        Toast.makeText(this, "Playing in background", Toast.LENGTH_SHORT).show();//todo:translation string
+
+        String source = intent.getDataString();
+        //Log.i(TAG, "backgroundPLayer source:"+source);
+        String videoTitle = intent.getStringExtra("title");
+
+        //do nearly everything in a separate thread
+        PlayerThread player = new PlayerThread(source, videoTitle, this);
+        player.start();
+
+        // If we get killed after returning here, don't restart
+        return START_NOT_STICKY;
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        // We don't provide binding (yet?), so return null
+        return null;
+    }
+
+    @Override
+    public void onDestroy() {
+        //Toast.makeText(this, "service done", Toast.LENGTH_SHORT).show();
+    }
+
+    private class PlayerThread extends Thread {
+        MediaPlayer mediaPlayer;
+        private String source;
+        private String title;
+        private int noteID = TAG.hashCode();
+        private BackgroundPlayer owner;
+        private NotificationManager noteMgr;
+        private NotificationCompat.Builder noteBuilder;
+        private WifiManager.WifiLock wifiLock;
+
+        public PlayerThread(String src, String title, BackgroundPlayer owner) {
+            this.source = src;
+            this.title = title;
+            this.owner = owner;
+            mediaPlayer = new MediaPlayer();
+            mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
+        }
+        @Override
+        public void run() {
+            mediaPlayer.setWakeMode(getApplicationContext(), PowerManager.PARTIAL_WAKE_LOCK);//cpu lock
+            try {
+                mediaPlayer.setDataSource(source);
+                mediaPlayer.prepare(); //We are already in a separate worker thread,
+                //so calling the blocking prepare() method should be ok
+
+                //alternatively:
+                //mediaPlayer.setOnPreparedListener(this);
+                //mediaPlayer.prepareAsync(); //prepare async to not block main thread
+            } catch (IOException ioe) {
+                ioe.printStackTrace();
+                Log.e(TAG, "video source:" + source);
+                Log.e(TAG, "video title:" + title);
+                //can't do anything useful without a file to play; exit early
+                return;
+            }
+
+            WifiManager wifiMgr = ((WifiManager)getSystemService(Context.WIFI_SERVICE));
+            wifiLock = wifiMgr.createWifiLock(WifiManager.WIFI_MODE_FULL, TAG);
+
+            mediaPlayer.setOnCompletionListener(new EndListener(wifiLock));//listen for end of video
+
+            //get audio focus
+            /*
+            AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
+            int result = audioManager.requestAudioFocus(this, AudioManager.STREAM_MUSIC,
+                    AudioManager.AUDIOFOCUS_GAIN);
+
+            if (result != AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
+                // could not get audio focus.
+            }*/
+            wifiLock.acquire();
+            mediaPlayer.start();
+
+            IntentFilter filter = new IntentFilter();
+            filter.setPriority(Integer.MAX_VALUE);
+            filter.addAction(ACTION_PLAYPAUSE);
+            filter.addAction(ACTION_STOP);
+            registerReceiver(broadcastReceiver, filter);
+
+            PendingIntent playPI = PendingIntent.getBroadcast(owner, noteID, new Intent(ACTION_PLAYPAUSE), PendingIntent.FLAG_UPDATE_CURRENT);
+
+            NotificationCompat.Action playButton = new NotificationCompat.Action.Builder
+                    (R.drawable.ic_play_arrow_white_48dp, "Play", playPI).build();
+
+            NotificationCompat.Action pauseButton = new NotificationCompat.Action.Builder
+                    (R.drawable.ic_play_arrow_white_48dp, "Pause", playPI).build();
+
+            PendingIntent stopPI = PendingIntent.getBroadcast(owner, noteID,
+                    new Intent(ACTION_STOP), PendingIntent.FLAG_UPDATE_CURRENT);
+
+            //todo: make it so that tapping the notification brings you back to the Video's DetailActivity
+            //using setContentIntent
+            noteBuilder = new NotificationCompat.Builder(owner);
+            noteBuilder
+                    .setPriority(Notification.PRIORITY_LOW)
+                    .setCategory(Notification.CATEGORY_TRANSPORT)
+                    .setContentTitle(title)
+                    .setContentText("NewPipe is playing in the background")//todo: translation string
+                    //.setAutoCancel(!mediaPlayer.isPlaying())
+                    .setOngoing(true)
+                    .setDeleteIntent(stopPI)
+                    //.setProgress(vidLength, 0, false) //doesn't fit with Notification.MediaStyle
+                    .setSmallIcon(R.mipmap.ic_launcher)
+                    .setTicker(title + " - NewPipe")
+                    .addAction(playButton);
+/*                  .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
+                    .setLargeIcon(cover)*/
+
+            noteBuilder.setStyle(new NotificationCompat.MediaStyle()
+                            //.setMediaSession(mMediaSession.getSessionToken())
+                            .setShowActionsInCompactView(new int[] {0})
+                            .setShowCancelButton(true)
+                            .setCancelButtonIntent(stopPI)
+            );
+
+            startForeground(noteID, noteBuilder.build());
+
+            //currently decommissioned progressbar looping update code - works, but doesn't fit inside
+            //Notification.MediaStyle Notification layout.
+            noteMgr = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
+            /*
+            //update every 2s or 4 times in the video, whichever is shorter
+            int sleepTime = Math.min(2000, (int)((double)vidLength/4));
+            while(mediaPlayer.isPlaying()) {
+                noteBuilder.setProgress(vidLength, mediaPlayer.getCurrentPosition(), false);
+                noteMgr.notify(noteID, noteBuilder.build());
+                try {
+                    Thread.sleep(sleepTime);
+                } catch (InterruptedException e) {
+                    Log.d(TAG, "sleep failure");
+                }
+            }*/
+
+        }
+
+        private final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
+            @Override
+            public void onReceive(Context context, Intent intent) {
+                String action = intent.getAction();
+                Log.i(TAG, "received broadcast action:"+action);
+                if(action.equals(ACTION_PLAYPAUSE)) {
+                    if(mediaPlayer.isPlaying()) {
+                        mediaPlayer.pause();
+                    }
+                    else {
+                        //reacquire CPU lock after releasing it on pause
+                        mediaPlayer.setWakeMode(getApplicationContext(), PowerManager.PARTIAL_WAKE_LOCK);
+                        mediaPlayer.start();
+                    }
+                }
+                else if(action.equals(ACTION_STOP)) {
+                    mediaPlayer.stop();//this auto-releases CPU lock
+                    afterPlayCleanup();
+                }
+            }
+        };
+
+        private void afterPlayCleanup() {
+            //noteBuilder.setProgress(0, 0, false);//remove progress bar
+            noteMgr.cancel(noteID);//remove notification
+            unregisterReceiver(broadcastReceiver);
+            mediaPlayer.release();//release mediaPlayer's system resources
+
+
+            wifiLock.release();//release wifilock
+            stopForeground(true);//remove foreground status of service; make us killable
+
+            stopSelf();
+        }
+
+        private class EndListener implements MediaPlayer.OnCompletionListener {
+            private WifiManager.WifiLock wl;
+            public EndListener(WifiManager.WifiLock wifiLock) {
+                this.wl = wifiLock;
+            }
+
+            @Override
+            public void onCompletion(MediaPlayer mp) {
+                afterPlayCleanup();
+            }
+        }
+    }
+/*
+    private class ListenerThread extends Thread implements AudioManager.OnAudioFocusChangeListener {
+        @Override
+        public void onAudioFocusChange(int focusChange) {
+
+        }
+    }*/
+}

app/src/main/java/org/schabi/newpipe/services/StreamingService.java

@@ -30,6 +30,6 @@ public interface StreamingService {
 
     /**When a VIEW_ACTION is caught this function will test if the url delivered within the calling
     Intent was meant to be watched with this Service.
-    Return false if this service shall not allow to be callean through ACTIONs.*/
+    Return false if this service shall not allow to be called through ACTIONs.*/
     boolean acceptUrl(String videoUrl);
 }

app/src/main/java/org/schabi/newpipe/services/youtube/YoutubeVideoExtractor.java

@@ -371,6 +371,16 @@ public class YoutubeVideoExtractor extends VideoExtractor {
         //todo: replace this with a call to getVideoId, if possible
         videoInfo.id = matchGroup1("v=([0-9a-zA-Z_-]{11})", pageUrl);
 
+        if(videoInfo.audioStreams == null
+                || videoInfo.audioStreams.length == 0) {
+            Log.e(TAG, "uninitialised audio streams!");
+        }
+
+        if(videoInfo.videoStreams == null
+                || videoInfo.videoStreams.length == 0) {
+            Log.e(TAG, "uninitialised video streams!");
+        }
+
         videoInfo.age_limit = 0;
 
         //average rating
@@ -445,13 +455,14 @@ public class YoutubeVideoExtractor extends VideoExtractor {
         try {
             XmlPullParser parser = Xml.newPullParser();
             parser.setInput(new StringReader(dashDoc));
-            int eventType = parser.getEventType();
             String tagName = "";
             String currentMimeType = "";
             int currentBandwidth = -1;
             int currentSamplingRate = -1;
             boolean currentTagIsBaseUrl = false;
-            while(eventType != XmlPullParser.END_DOCUMENT) {
+            for(int eventType = parser.getEventType();
+                eventType != XmlPullParser.END_DOCUMENT;
+                eventType = parser.next() ) {
                 switch(eventType) {
                     case XmlPullParser.START_TAG:
                         tagName = parser.getName();
@@ -465,8 +476,8 @@ public class YoutubeVideoExtractor extends VideoExtractor {
                         } else if(tagName.equals("BaseURL")) {
                             currentTagIsBaseUrl = true;
                         }
-
                         break;
+
                     case XmlPullParser.TEXT:
                         if(currentTagIsBaseUrl &&
                                 (currentMimeType.contains("audio"))) {
@@ -479,16 +490,14 @@ public class YoutubeVideoExtractor extends VideoExtractor {
                             audioStreams.add(new VideoInfo.AudioStream(parser.getText(),
                                     format, currentBandwidth, currentSamplingRate));
                         }
+                        //missing break here?
                     case XmlPullParser.END_TAG:
                         if(tagName.equals("AdaptationSet")) {
                             currentMimeType = "";
                         } else if(tagName.equals("BaseURL")) {
                             currentTagIsBaseUrl = false;
+                        }//no break needed here
                 }
-                        break;
-                    default:
-                }
-                eventType = parser.next();
             }
         } catch(Exception e) {
             e.printStackTrace();
@@ -582,10 +591,7 @@ public class YoutubeVideoExtractor extends VideoExtractor {
             e.printStackTrace();
         }
         Context.exit();
-        if(result != null)
-            return result.toString();
-        else
-            return "";
+        return (result == null ? "" : result.toString());
     }
 
     private String cleanUrl(String complexUrl) {

app/src/main/res/values/settings_keys.xml

@@ -6,9 +6,10 @@
     <string name="settingsCategoryEtc">settings_category_etc</string>
     <!-- Key values -->
     <string name="downloadPathPreference">download_path_preference</string>
-    <string name="useExternalPlayer">use_external_player</string>
+    <string name="useExternalVideoPlayer">use_external_video_player</string>
+    <string name="useExternalAudioPlayer">use_external_audio_player</string>
     <string name="autoPlayThroughIntent">autoplay_through_intent</string>
-    <string name="defaultResolutionPreference">default_resulution_preference</string>
+    <string name="defaultResolutionPreference">default_resolution_preference</string>
     <string-array name="resolutionList">
         <item>720p</item>
         <item>360p</item>
@@ -16,7 +17,7 @@
         <item>144p</item>
     </string-array>
     <string name="defaultResolutionListItem">360p</string>
-    <string name="showPlayWidthKodiPreference">show_play_with_kodi_preference</string>
+    <string name="showPlayWithKodiPreference">show_play_with_kodi_preference</string>
     <string name="defaultAudioFormatPreference">default_audio_format</string>
     <string-array name="audioFormatDescriptionList">
         <item>@string/webMAudioDescription</item>

app/src/main/res/values/strings.xml

@@ -19,7 +19,8 @@
     <string name="chooseBrowser">Choose browser:</string>
     <string name="screenRotation">rotation</string>
     <string name="title_activity_settings">Settings</string>
-    <string name="useExternalPlayerTitle">Use external player</string>
+    <string name="useExternalVideoPlayerTitle">Use external video player</string>
+    <string name="useExternalAudioPlayerTitle">Use external audio player</string>
     <string name="downloadLocation">Download location</string>
     <string name="downloadLocationSummary">Path to store downloaded videos in.</string>
     <string name="downloadLocationDialogTitle">Enter download path</string>

app/src/main/res/xml/settings_screen.xml

@@ -8,8 +8,13 @@
         android:title="@string/settingsCategoryVideoAudioTitle">
 
         <CheckBoxPreference
-            android:key="@string/useExternalPlayer"
-            android:title="@string/useExternalPlayerTitle"
+            android:key="@string/useExternalVideoPlayer"
+            android:title="@string/useExternalVideoPlayerTitle"
+            android:defaultValue="false"/>
+
+        <CheckBoxPreference
+            android:key="@string/useExternalAudioPlayer"
+            android:title="@string/useExternalAudioPlayerTitle"
             android:defaultValue="false"/>
 
         <ListPreference
@@ -32,7 +37,7 @@
         android:title="@string/settingsCategoryVideoInfoTittle">
 
         <CheckBoxPreference
-            android:key="@string/showPlayWidthKodiPreference"
+            android:key="@string/showPlayWithKodiPreference"
             android:title="@string/showPlayWithKodiTitle"
             android:summary="@string/showPlayWithKodiSummary"
             android:defaultValue="false" />