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NewPipe-app-android
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Code Issues Releases Wiki Activity

-Refactored synchronization checks out from MediaSourceManager to ManagedMediaSource. 

-Fixed null input causing potential NPE on PlayQueueItem.
This commit is contained in:
John Zhen Mo 2018-03-17 16:04:02 -07:00
parent bc7188c8a8
commit 5167fe078b
6 changed files with 61 additions and 35 deletions
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8
app/src/main/java/org/schabi/newpipe/player/mediasource/FailedMediaSource.java
View File

@ -72,7 +72,13 @@ public class FailedMediaSource implements ManagedMediaSource {
public void releaseSource() {}
@Override
public boolean canReplace(@NonNull final PlayQueueItem newIdentity) {
public boolean shouldBeReplacedWith(@NonNull final PlayQueueItem newIdentity,
final boolean isInterruptable) {
return newIdentity != playQueueItem || canRetry();
}
@Override
public boolean isStreamEqual(@NonNull PlayQueueItem stream) {
return playQueueItem == stream;
}
}

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

@ -59,7 +59,13 @@ public class LoadedMediaSource implements ManagedMediaSource {
}
@Override
public boolean canReplace(@NonNull final PlayQueueItem newIdentity) {
return newIdentity != stream || isExpired();
public boolean shouldBeReplacedWith(@NonNull PlayQueueItem newIdentity,
final boolean isInterruptable) {
return newIdentity != stream || (isInterruptable && isExpired());
}
@Override
public boolean isStreamEqual(@NonNull PlayQueueItem stream) {
return this.stream == stream;
}
}

18
app/src/main/java/org/schabi/newpipe/player/mediasource/ManagedMediaSource.java
View File

@ -7,5 +7,21 @@ import com.google.android.exoplayer2.source.MediaSource;
import org.schabi.newpipe.playlist.PlayQueueItem;
public interface ManagedMediaSource extends MediaSource {
boolean canReplace(@NonNull final PlayQueueItem newIdentity);
/**
* Determines whether or not this {@link ManagedMediaSource} can be replaced.
*
* @param newIdentity a stream the {@link ManagedMediaSource} should encapsulate over, if
* it is different from the existing stream in the
* {@link ManagedMediaSource}, then it should be replaced.
* @param isInterruptable specifies if this {@link ManagedMediaSource} potentially
* being played.
* */
boolean shouldBeReplacedWith(@NonNull final PlayQueueItem newIdentity,
final boolean isInterruptable);
/**
* Determines if the {@link PlayQueueItem} is the one the
* {@link ManagedMediaSource} encapsulates over.
* */
boolean isStreamEqual(@NonNull final PlayQueueItem stream);
}

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

@ -19,7 +19,13 @@ public class PlaceholderMediaSource implements ManagedMediaSource {
@Override public void releaseSource() {}
@Override
public boolean canReplace(@NonNull final PlayQueueItem newIdentity) {
public boolean shouldBeReplacedWith(@NonNull PlayQueueItem newIdentity,
final boolean isInterruptable) {
return true;
}
@Override
public boolean isStreamEqual(@NonNull PlayQueueItem stream) {
return false;
}
}

21
app/src/main/java/org/schabi/newpipe/player/playback/MediaSourceManager.java
View File

@ -268,15 +268,10 @@ public class MediaSourceManager {
private boolean isPlaybackReady() {
if (sources.getSize() != playQueue.size()) return false;
final MediaSource mediaSource = sources.getMediaSource(playQueue.getIndex());
final ManagedMediaSource mediaSource =
(ManagedMediaSource) sources.getMediaSource(playQueue.getIndex());
final PlayQueueItem playQueueItem = playQueue.getItem();
if (mediaSource instanceof LoadedMediaSource) {
return playQueueItem == ((LoadedMediaSource) mediaSource).getStream();
} else if (mediaSource instanceof FailedMediaSource) {
return playQueueItem == ((FailedMediaSource) mediaSource).getStream();
}
return false;
return mediaSource.isStreamEqual(playQueueItem);
}
private void maybeBlock() {
@ -453,12 +448,8 @@ public class MediaSourceManager {
if (index == -1 || index >= sources.getSize()) return false;
final ManagedMediaSource mediaSource = (ManagedMediaSource) sources.getMediaSource(index);
if (index == playQueue.getIndex() && mediaSource instanceof LoadedMediaSource) {
return item != ((LoadedMediaSource) mediaSource).getStream();
} else {
return mediaSource.canReplace(item);
}
return mediaSource.shouldBeReplacedWith(item,
/*mightBeInProgress=*/index != playQueue.getIndex());
}
/**
@ -479,7 +470,7 @@ public class MediaSourceManager {
final ManagedMediaSource currentSource =
(ManagedMediaSource) sources.getMediaSource(currentIndex);
final PlayQueueItem currentItem = playQueue.getItem();
if (!currentSource.canReplace(currentItem)) {
if (!currentSource.shouldBeReplacedWith(currentItem, /*canInterruptOnRenew=*/true)) {
maybeSynchronizePlayer();
return;
}

31
app/src/main/java/org/schabi/newpipe/playlist/PlayQueueItem.java
View File

@ -11,20 +11,19 @@ import org.schabi.newpipe.util.ExtractorHelper;
import java.io.Serializable;
import io.reactivex.Single;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.functions.Consumer;
import io.reactivex.schedulers.Schedulers;
public class PlayQueueItem implements Serializable {
final public static long RECOVERY_UNSET = Long.MIN_VALUE;
public final static long RECOVERY_UNSET = Long.MIN_VALUE;
private final static String EMPTY_STRING = "";
final private String title;
final private String url;
@NonNull final private String title;
@NonNull final private String url;
final private int serviceId;
final private long duration;
final private String thumbnailUrl;
final private String uploader;
final private StreamType streamType;
@NonNull final private String thumbnailUrl;
@NonNull final private String uploader;
@NonNull final private StreamType streamType;
private long recoveryPosition;
private Throwable error;
@ -42,15 +41,16 @@ public class PlayQueueItem implements Serializable {
item.getThumbnailUrl(), item.getUploaderName(), item.getStreamType());
}
private PlayQueueItem(final String name, final String url, final int serviceId,
final long duration, final String thumbnailUrl, final String uploader,
final StreamType streamType) {
this.title = name;
this.url = url;
private PlayQueueItem(@Nullable final String name, @Nullable final String url,
final int serviceId, final long duration,
@Nullable final String thumbnailUrl, @Nullable final String uploader,
@NonNull final StreamType streamType) {
this.title = name != null ? name : EMPTY_STRING;
this.url = url != null ? url : EMPTY_STRING;
this.serviceId = serviceId;
this.duration = duration;
this.thumbnailUrl = thumbnailUrl;
this.uploader = uploader;
this.thumbnailUrl = thumbnailUrl != null ? thumbnailUrl : EMPTY_STRING;
this.uploader = uploader != null ? uploader : EMPTY_STRING;
this.streamType = streamType;
this.recoveryPosition = RECOVERY_UNSET;
@ -84,6 +84,7 @@ public class PlayQueueItem implements Serializable {
return uploader;
}
@NonNull
public StreamType getStreamType() {
return streamType;
}