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Code Issues Projects Releases Wiki Activity

-Improved play queue message bus 

-Hooking play queue engines with video players (to be removed)
-Proof of concept for previous and next controls
This commit is contained in:
John Zhen M 2017-09-02 11:06:36 -07:00 committed by John Zhen Mo
parent b859823011
commit 74b58cae59
17 changed files with 345 additions and 95 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
app/src/main/java/org/schabi/newpipe/fragments/playlist/PlaylistFragment.java
View File

@ -461,7 +461,11 @@ public class PlaylistFragment extends BaseFragment {
}
private void handlePlayListInfo(PlayListInfo info, boolean onlyVideos, boolean addVideos) {
if (currentPlaylistInfo == null) currentPlaylistInfo = info;
if (currentPlaylistInfo == null) {
currentPlaylistInfo = info;
} else {
currentPlaylistInfo.related_streams.addAll(info.related_streams);
}
animateView(errorPanel, false, 300);
animateView(playlistStreams, true, 200);
@ -494,12 +498,9 @@ public class PlaylistFragment extends BaseFragment {
hasNextPage = info.hasNextPage;
if (!hasNextPage) infoListAdapter.showFooter(false);
//if (!listRestored) {
if (addVideos) {
infoListAdapter.addInfoItemList(info.related_streams);
currentPlaylistInfo.related_streams.addAll(info.related_streams);
}
//}
}
@Override

13
app/src/main/java/org/schabi/newpipe/player/BasePlayer.java
View File

@ -259,9 +259,10 @@ public abstract class BasePlayer implements Player.EventListener,
isPrepared = false;
if (simpleExoPlayer.getPlaybackState() != Player.STATE_IDLE) simpleExoPlayer.stop();
if (simpleExoPlayer.getPlaybackState() != Player.STATE_IDLE) simpleExoPlayer.setPlayWhenReady(false);//simpleExoPlayer.stop();
if (videoStartPos > 0) simpleExoPlayer.seekTo(videoStartPos);
simpleExoPlayer.prepare(mediaSource);
if (!playbackManager.prepared) simpleExoPlayer.prepare(mediaSource);
playbackManager.prepared = true;
simpleExoPlayer.setPlayWhenReady(autoPlay);
}
@ -557,7 +558,8 @@ public abstract class BasePlayer implements Player.EventListener,
@Override
public void block() {
if (currentState != STATE_LOADING) changeState(STATE_LOADING);
if (currentState != STATE_BUFFERING) changeState(STATE_BUFFERING);
simpleExoPlayer.stop();
}
@Override
@ -565,6 +567,11 @@ public abstract class BasePlayer implements Player.EventListener,
if (currentState != STATE_PLAYING) changeState(STATE_PLAYING);
}
@Override
public void resync() {
simpleExoPlayer.seekTo(0, 0L);
}
@Override
public void sync(final StreamInfo info) {
videoTitle = info.title;

8
app/src/main/java/org/schabi/newpipe/player/MainVideoPlayer.java
View File

@ -40,6 +40,7 @@ import android.widget.TextView;
import android.widget.Toast;
import org.schabi.newpipe.R;
import org.schabi.newpipe.extractor.stream_info.StreamInfo;
import org.schabi.newpipe.util.AnimationUtils;
import org.schabi.newpipe.util.NavigationHelper;
import org.schabi.newpipe.util.PermissionHelper;
@ -227,6 +228,13 @@ public class MainVideoPlayer extends Activity {
channelTextView.setText(getUploaderName());
}
@Override
public void sync(final StreamInfo info) {
super.sync(info);
titleTextView.setText(getVideoTitle());
channelTextView.setText(getChannelName());
}
@Override
public void playUrl(String url, String format, boolean autoPlay) {
super.playUrl(url, format, autoPlay);

95
app/src/main/java/org/schabi/newpipe/player/MediaSourceManager.java Normal file
View File

@ -0,0 +1,95 @@
package org.schabi.newpipe.player;
import com.google.android.exoplayer2.source.DynamicConcatenatingMediaSource;
import com.google.android.exoplayer2.source.MediaSource;
import org.reactivestreams.Subscriber;
import org.reactivestreams.Subscription;
import org.schabi.newpipe.extractor.stream_info.StreamInfo;
import org.schabi.newpipe.playlist.PlayQueue;
import org.schabi.newpipe.playlist.events.PlayQueueMessage;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import io.reactivex.annotations.NonNull;
public class MediaSourceManager {
private DynamicConcatenatingMediaSource sources;
// indices maps media source index to play queue index
// Invariant 1: all indices occur once only in this list
private List<Integer> indices;
private PlaybackListener playbackListener;
private PlayQueue playQueue;
private Subscription playQueueReactor;
interface PlaybackListener {
void block();
void unblock();
void resync();
void sync(final StreamInfo info);
MediaSource sourceOf(final StreamInfo info);
}
public MediaSourceManager(@NonNull final MediaSourceManager.PlaybackListener listener,
@NonNull final PlayQueue playQueue) {
this.sources = new DynamicConcatenatingMediaSource();
this.indices = Collections.synchronizedList(new ArrayList<Integer>());
this.playbackListener = listener;
this.playQueue = playQueue;
playQueue.getEventBroadcast().subscribe(getReactor());
}
private Subscriber<PlayQueueMessage> getReactor() {
return new Subscriber<PlayQueueMessage>() {
@Override
public void onSubscribe(@NonNull Subscription d) {
if (playQueueReactor != null) playQueueReactor.cancel();
playQueueReactor = d;
playQueueReactor.request(1);
}
@Override
public void onNext(@NonNull PlayQueueMessage event) {
switch (event.type()) {
case INIT:
break;
case APPEND:
break;
case SELECT:
break;
case REMOVE:
case SWAP:
break;
case NEXT:
default:
break;
}
if (playQueueReactor != null) playQueueReactor.request(1);
}
@Override
public void onError(@NonNull Throwable e) {
}
@Override
public void onComplete() {
dispose();
}
};
}
public void dispose() {
if (playQueueReactor != null) playQueueReactor.cancel();
playQueueReactor = null;
}
}

78
app/src/main/java/org/schabi/newpipe/player/PlaybackManager.java
View File

@ -1,5 +1,7 @@
package org.schabi.newpipe.player;
import android.util.Log;
import com.google.android.exoplayer2.source.DynamicConcatenatingMediaSource;
import com.google.android.exoplayer2.source.MediaSource;
@ -7,24 +9,25 @@ import org.reactivestreams.Subscriber;
import org.reactivestreams.Subscription;
import org.schabi.newpipe.extractor.stream_info.StreamInfo;
import org.schabi.newpipe.playlist.PlayQueue;
import org.schabi.newpipe.playlist.PlayQueueEvent;
import org.schabi.newpipe.playlist.events.PlayQueueEvent;
import org.schabi.newpipe.playlist.PlayQueueItem;
import org.schabi.newpipe.playlist.events.PlayQueueMessage;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import io.reactivex.Maybe;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.annotations.NonNull;
import io.reactivex.schedulers.Schedulers;
public class PlaybackManager {
private final String TAG = "PlaybackManager@" + Integer.toHexString(hashCode());
private static final int WINDOW_SIZE = 5;
private static final int WINDOW_SIZE = 3;
private DynamicConcatenatingMediaSource mediaSource;
private List<PlayQueueItem> queueSource;
private List<StreamInfo> syncInfos;
private int sourceIndex;
private PlaybackListener listener;
@ -32,10 +35,13 @@ public class PlaybackManager {
private Subscription playQueueReactor;
public boolean prepared = false;
interface PlaybackListener {
void block();
void unblock();
void resync();
void sync(final StreamInfo info);
MediaSource sourceOf(final StreamInfo info);
}
@ -43,13 +49,13 @@ public class PlaybackManager {
public PlaybackManager(@NonNull final PlaybackListener listener,
@NonNull final PlayQueue playQueue) {
this.mediaSource = new DynamicConcatenatingMediaSource();
this.queueSource = Collections.synchronizedList(new ArrayList<PlayQueueItem>(10));
this.syncInfos = Collections.synchronizedList(new ArrayList<StreamInfo>());
this.sourceIndex = 0;
this.listener = listener;
this.playQueue = playQueue;
playQueue.getPlayQueueFlowable().subscribe(getReactor());
playQueue.getEventBroadcast().subscribe(getReactor());
}
@NonNull
@ -63,10 +69,8 @@ public class PlaybackManager {
}
public void changeSource(final MediaSource newSource) {
listener.block();
this.mediaSource.removeMediaSource(0);
this.mediaSource.addMediaSource(0, newSource);
listener.unblock();
}
public void refreshMedia(final int newMediaIndex) {
@ -75,43 +79,42 @@ public class PlaybackManager {
if (newMediaIndex == sourceIndex + 1) {
playQueue.incrementIndex();
mediaSource.removeMediaSource(0);
queueSource.remove(0);
syncInfos.remove(0);
} else {
//something went wrong
Log.e(TAG, "Refresh media failed, reloading.");
reload();
}
}
private void removeCurrent() {
listener.block();
mediaSource.removeMediaSource(0);
queueSource.remove(0);
listener.unblock();
syncInfos.remove(0);
}
private Subscription loaderReactor;
private void load() {
if (mediaSource.getSize() < WINDOW_SIZE && queueSource.size() < WINDOW_SIZE)
load(mediaSource.getSize());
if (mediaSource.getSize() < WINDOW_SIZE) load(mediaSource.getSize());
}
private void load(final int from) {
clear(from);
if (loaderReactor != null) loaderReactor.cancel();
// Fetch queue items
//todo fix out of bound
final int index = playQueue.getIndex();
List<Maybe<StreamInfo>> maybes = new ArrayList<>();
for (int i = from; i < WINDOW_SIZE; i++) {
final int index = playQueue.getIndex() + i;
final PlayQueueItem item = playQueue.get(index);
if (queueSource.size() > i) queueSource.set(i, item);
else queueSource.add(item);
final PlayQueueItem item = playQueue.get(index + i);
maybes.add(item.getStream());
}
// Stop loading and clear pending media sources
if (loaderReactor != null) loaderReactor.cancel();
clear(from);
// Start sequential loading of media sources
Maybe.concat(maybes).subscribe(getSubscriber());
}
@ -127,13 +130,14 @@ public class PlaybackManager {
@Override
public void onNext(StreamInfo streamInfo) {
mediaSource.addMediaSource(listener.sourceOf(streamInfo));
syncInfos.add(streamInfo);
tryUnblock();
loaderReactor.request(1);
}
@Override
public void onError(Throwable t) {
playQueue.remove(queueSource.size());
playQueue.remove(playQueue.getIndex());
}
@Override
@ -145,7 +149,7 @@ public class PlaybackManager {
}
private void tryUnblock() {
if (mediaSource.getSize() > 0 && queueSource.size() > 0) listener.unblock();
if (mediaSource.getSize() > 0) listener.unblock();
}
private void init() {
@ -155,19 +159,13 @@ public class PlaybackManager {
private void clear(int from) {
while (mediaSource.getSize() > from) {
queueSource.remove(from);
mediaSource.removeMediaSource(from);
syncInfos.remove(from);
}
}
private void clear() {
listener.block();
clear(0);
listener.unblock();
}
private Subscriber<PlayQueueEvent> getReactor() {
return new Subscriber<PlayQueueEvent>() {
private Subscriber<PlayQueueMessage> getReactor() {
return new Subscriber<PlayQueueMessage>() {
@Override
public void onSubscribe(@NonNull Subscription d) {
if (playQueueReactor != null) playQueueReactor.cancel();
@ -176,23 +174,19 @@ public class PlaybackManager {
}
@Override
public void onNext(@NonNull PlayQueueEvent event) {
public void onNext(@NonNull PlayQueueMessage event) {
if (playQueue.getStreams().size() - playQueue.getIndex() < WINDOW_SIZE && !playQueue.isComplete()) {
listener.block();
playQueue.fetch();
}
switch (event) {
switch (event.type()) {
case INIT:
init();
break;
case APPEND:
load();
break;
case REMOVE_CURRENT:
removeCurrent();
load();
break;
case SELECT:
reload();
break;
@ -200,15 +194,13 @@ public class PlaybackManager {
case SWAP:
load(1);
break;
case CLEAR:
clear();
break;
case NEXT:
default:
break;
}
tryUnblock();
if (!syncInfos.isEmpty()) listener.sync(syncInfos.get(0));
if (playQueueReactor != null) playQueueReactor.request(1);
}

10
app/src/main/java/org/schabi/newpipe/player/VideoPlayer.java
View File

@ -229,10 +229,16 @@ public abstract class VideoPlayer extends BasePlayer implements SimpleExoPlayer.
return buildMediaSource(getSelectedVideoStream().url, MediaFormat.getSuffixById(getSelectedVideoStream().format));
}
@Override
public void block() {
if (currentState != STATE_BUFFERING) changeState(STATE_BUFFERING);
simpleExoPlayer.stop();
}
@Override
public void unblock() {
play(true);
super.unblock();
if (currentState != STATE_PLAYING) changeState(STATE_PLAYING);
if (!isPlaying()) play(true);
}
public void handleIntent(Intent intent) {

1
app/src/main/java/org/schabi/newpipe/playlist/ExternalPlayQueue.java
View File

@ -83,6 +83,7 @@ public class ExternalPlayQueue extends PlayQueue {
@Override
public void dispose() {
super.dispose();
if (fetchReactor != null) fetchReactor.dispose();
}

95
app/src/main/java/org/schabi/newpipe/playlist/PlayQueue.java
View File

@ -1,10 +1,21 @@
package org.schabi.newpipe.playlist;
import android.support.annotation.NonNull;
import android.util.Log;
import org.reactivestreams.Subscriber;
import org.reactivestreams.Subscription;
import org.schabi.newpipe.extractor.NewPipe;
import org.schabi.newpipe.extractor.StreamingService;
import org.schabi.newpipe.extractor.exceptions.ExtractionException;
import org.schabi.newpipe.playlist.events.AppendEvent;
import org.schabi.newpipe.playlist.events.InitEvent;
import org.schabi.newpipe.playlist.events.NextEvent;
import org.schabi.newpipe.playlist.events.PlayQueueEvent;
import org.schabi.newpipe.playlist.events.PlayQueueMessage;
import org.schabi.newpipe.playlist.events.RemoveEvent;
import org.schabi.newpipe.playlist.events.SelectEvent;
import org.schabi.newpipe.playlist.events.SwapEvent;
import java.util.ArrayList;
import java.util.Collection;
@ -18,12 +29,14 @@ import io.reactivex.subjects.BehaviorSubject;
public abstract class PlayQueue {
private final String TAG = "PlayQueue@" + Integer.toHexString(hashCode());
public static final boolean DEBUG = true;
private List<PlayQueueItem> streams;
private AtomicInteger queueIndex;
private BehaviorSubject<PlayQueueEvent> changeBroadcast;
private Flowable<PlayQueueEvent> playQueueFlowable;
private BehaviorSubject<PlayQueueMessage> eventBus;
private Flowable<PlayQueueMessage> eventBroadcast;
private Subscription reportingReactor;
PlayQueue() {
this(0, Collections.<PlayQueueItem>emptyList());
@ -35,8 +48,13 @@ public abstract class PlayQueue {
queueIndex = new AtomicInteger(index);
changeBroadcast = BehaviorSubject.create();
playQueueFlowable = changeBroadcast.startWith(PlayQueueEvent.INIT).toFlowable(BackpressureStrategy.BUFFER);
eventBus = BehaviorSubject.create();
eventBroadcast = eventBus
.startWith(new InitEvent())
.replay(20)
.toFlowable(BackpressureStrategy.BUFFER);
if (DEBUG) eventBroadcast.subscribe(getSelfReporter());
}
// a queue is complete if it has loaded all items in an external playlist
@ -50,7 +68,10 @@ public abstract class PlayQueue {
// may return an empty of the queue is incomplete
public abstract PlayQueueItem get(int index);
public abstract void dispose();
public void dispose() {
if (reportingReactor != null) reportingReactor.cancel();
reportingReactor = null;
}
public int size() {
return streams.size();
@ -62,12 +83,12 @@ public abstract class PlayQueue {
}
@NonNull
public Flowable<PlayQueueEvent> getPlayQueueFlowable() {
return playQueueFlowable;
public Flowable<PlayQueueMessage> getEventBroadcast() {
return eventBroadcast;
}
private void broadcast(final PlayQueueEvent event) {
changeBroadcast.onNext(event);
private void broadcast(final PlayQueueMessage event) {
eventBus.onNext(event);
}
public int getIndex() {
@ -75,43 +96,30 @@ public abstract class PlayQueue {
}
public void setIndex(final int index) {
queueIndex.set(index);
broadcast(PlayQueueEvent.SELECT);
queueIndex.set(Math.max(0, index));
broadcast(new SelectEvent(index));
}
public void incrementIndex() {
queueIndex.incrementAndGet();
broadcast(PlayQueueEvent.NEXT);
final int index = queueIndex.incrementAndGet();
broadcast(new NextEvent(index));
}
protected void append(final PlayQueueItem item) {
streams.add(item);
broadcast(PlayQueueEvent.APPEND);
broadcast(new AppendEvent(1));
}
protected void append(final Collection<PlayQueueItem> items) {
streams.addAll(items);
broadcast(PlayQueueEvent.APPEND);
broadcast(new AppendEvent(items.size()));
}
public void remove(final int index) {
if (index >= streams.size()) return;
final boolean isCurrent = index == queueIndex.get();
streams.remove(index);
if (isCurrent) {
broadcast(PlayQueueEvent.REMOVE_CURRENT);
} else {
broadcast(PlayQueueEvent.REMOVE);
}
}
protected void clear() {
if (!streams.isEmpty()) {
streams.clear();
broadcast(PlayQueueEvent.CLEAR);
}
broadcast(new RemoveEvent(index));
}
protected void swap(final int source, final int target) {
@ -131,7 +139,7 @@ public abstract class PlayQueue {
queueIndex.set(newIndex);
}
broadcast(PlayQueueEvent.SWAP);
broadcast(new SwapEvent(source, target));
}
}
@ -142,5 +150,32 @@ public abstract class PlayQueue {
return null;
}
}
private Subscriber<PlayQueueMessage> getSelfReporter() {
return new Subscriber<PlayQueueMessage>() {
@Override
public void onSubscribe(Subscription s) {
if (reportingReactor != null) reportingReactor.cancel();
reportingReactor = s;
reportingReactor.request(1);
}
@Override
public void onNext(PlayQueueMessage event) {
Log.d(TAG, "Received broadcast: " + event.type().name() + ". Current index: " + getIndex() + ", play queue length: " + size() + ".");
reportingReactor.request(1);
}
@Override
public void onError(Throwable t) {
Log.e(TAG, "Received broadcast error", t);
}
@Override
public void onComplete() {
Log.d(TAG, "Broadcast is shut down.");
}
};
}
}

7
app/src/main/java/org/schabi/newpipe/playlist/PlayQueueAdapter.java
View File

@ -8,6 +8,7 @@ import android.view.ViewGroup;
import org.schabi.newpipe.R;
import org.schabi.newpipe.info_list.StreamInfoItemHolder;
import org.schabi.newpipe.playlist.events.PlayQueueEvent;
import java.util.List;
@ -85,10 +86,6 @@ public class PlayQueueAdapter extends RecyclerView.Adapter<RecyclerView.ViewHold
playQueue.swap(source, target);
}
public void clear() {
playQueue.clear();
}
private Disposable getReactor() {
final Consumer<PlayQueueEvent> onNext = new Consumer<PlayQueueEvent>() {
@Override
@ -97,7 +94,7 @@ public class PlayQueueAdapter extends RecyclerView.Adapter<RecyclerView.ViewHold
}
};
return playQueue.getPlayQueueFlowable()
return playQueue.getEventBroadcast()
.toObservable()
.subscribe(onNext);
}

19
app/src/main/java/org/schabi/newpipe/playlist/events/AppendEvent.java Normal file
View File

@ -0,0 +1,19 @@
package org.schabi.newpipe.playlist.events;
public class AppendEvent implements PlayQueueMessage {
private int amount;
@Override
public PlayQueueEvent type() {
return PlayQueueEvent.APPEND;
}
public AppendEvent(final int amount) {
this.amount = amount;
}
public int getAmount() {
return amount;
}
}

8
app/src/main/java/org/schabi/newpipe/playlist/events/InitEvent.java Normal file
View File

@ -0,0 +1,8 @@
package org.schabi.newpipe.playlist.events;
public class InitEvent implements PlayQueueMessage {
@Override
public PlayQueueEvent type() {
return PlayQueueEvent.INIT;
}
}

19
app/src/main/java/org/schabi/newpipe/playlist/events/NextEvent.java Normal file
View File

@ -0,0 +1,19 @@
package org.schabi.newpipe.playlist.events;
public class NextEvent implements PlayQueueMessage {
private int newIndex;
@Override
public PlayQueueEvent type() {
return PlayQueueEvent.NEXT;
}
public NextEvent(final int newIndex) {
this.newIndex = newIndex;
}
public int index() {
return newIndex;
}
}

10
app/src/main/java/org/schabi/newpipe/playlist/PlayQueueEvent.java → app/src/main/java/org/schabi/newpipe/playlist/events/PlayQueueEvent.java
View File

@ -1,4 +1,4 @@
package org.schabi.newpipe.playlist;
package org.schabi.newpipe.playlist.events;
public enum PlayQueueEvent {
INIT,
@ -15,13 +15,7 @@ public enum PlayQueueEvent {
// sent when a pending stream is removed from the play queue
REMOVE,
// sent when the current stream is removed
REMOVE_CURRENT,
// sent when two streams swap place in the play queue
SWAP,
// sent when streams is cleared
CLEAR
SWAP
}

5
app/src/main/java/org/schabi/newpipe/playlist/events/PlayQueueMessage.java Normal file
View File

@ -0,0 +1,5 @@
package org.schabi.newpipe.playlist.events;
public interface PlayQueueMessage {
PlayQueueEvent type();
}

19
app/src/main/java/org/schabi/newpipe/playlist/events/RemoveEvent.java Normal file
View File

@ -0,0 +1,19 @@
package org.schabi.newpipe.playlist.events;
public class RemoveEvent extends PlayQueueMessage {
private int index;
@Override
public PlayQueueEvent type() {
return PlayQueueEvent.REMOVE;
}
public RemoveEvent(final int index) {
this.index = index;
}
public int index() {
return index;
}
}

19
app/src/main/java/org/schabi/newpipe/playlist/events/SelectEvent.java Normal file
View File

@ -0,0 +1,19 @@
package org.schabi.newpipe.playlist.events;
public class SelectEvent implements PlayQueueMessage {
private int newIndex;
@Override
public PlayQueueEvent type() {
return PlayQueueEvent.SELECT;
}
public SelectEvent(final int newIndex) {
this.newIndex = newIndex;
}
public int index() {
return newIndex;
}
}

25
app/src/main/java/org/schabi/newpipe/playlist/events/SwapEvent.java Normal file
View File

@ -0,0 +1,25 @@
package org.schabi.newpipe.playlist.events;
public class SwapEvent implements PlayQueueMessage {
private int from;
private int to;
@Override
public PlayQueueEvent type() {
return PlayQueueEvent.SWAP;
}
public SwapEvent(final int from, final int to) {
this.from = from;
this.to = to;
}
public int getFrom() {
return from;
}
public int getTo() {
return to;
}
}