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Merge pull request #3689 from wb9688/next-stream

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Remove calls to getNextStream()
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Tobias Groza 2020-07-18 11:59:04 +02:00 • committed by GitHub
commit 19e152a54b
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5 changed files with 30 additions and 62 deletions
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33
app/src/main/java/org/schabi/newpipe/player/helper/PlayerHelper.java
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@ -132,17 +132,17 @@ public final class PlayerHelper {
}
/**
* Given a {@link StreamInfo} and the existing queue items, provide the
* {@link SinglePlayQueue} consisting of the next video for auto queuing.
* Given a {@link StreamInfo} and the existing queue items,
* provide the {@link SinglePlayQueue} consisting of the next video for auto queueing.
* <p>
* This method detects and prevents cycle by naively checking if a
* candidate next video's url already exists in the existing items.
* This method detects and prevents cycles by naively checking
* if a candidate next video's url already exists in the existing items.
* </p>
* <p>
* To select the next video, {@link StreamInfo#getNextVideo()} is first
* checked. If it is nonnull and is not part of the existing items, then
* it will be used as the next video. Otherwise, an random item with
* non-repeating url will be selected from the {@link StreamInfo#getRelatedStreams()}.
* The first item in {@link StreamInfo#getRelatedStreams()} is checked first.
* If it is non-null and is not part of the existing items, it will be used as the next stream.
* Otherwise, a random item with non-repeating url will be selected
* from the {@link StreamInfo#getRelatedStreams()}.
* </p>
*
* @param info currently playing stream
@ -152,27 +152,28 @@ public final class PlayerHelper {
@Nullable
public static PlayQueue autoQueueOf(@NonNull final StreamInfo info,
@NonNull final List<PlayQueueItem> existingItems) {
Set<String> urls = new HashSet<>(existingItems.size());
final Set<String> urls = new HashSet<>(existingItems.size());
for (final PlayQueueItem item : existingItems) {
urls.add(item.getUrl());
}
final StreamInfoItem nextVideo = info.getNextVideo();
if (nextVideo != null && !urls.contains(nextVideo.getUrl())) {
return getAutoQueuedSinglePlayQueue(nextVideo);
}
final List<InfoItem> relatedItems = info.getRelatedStreams();
if (relatedItems == null) {
return null;
}
List<StreamInfoItem> autoQueueItems = new ArrayList<>();
for (final InfoItem item : info.getRelatedStreams()) {
if (relatedItems.get(0) != null && relatedItems.get(0) instanceof StreamInfoItem
&& !urls.contains(relatedItems.get(0).getUrl())) {
return getAutoQueuedSinglePlayQueue((StreamInfoItem) relatedItems.get(0));
}
final List<StreamInfoItem> autoQueueItems = new ArrayList<>();
for (final InfoItem item : relatedItems) {
if (item instanceof StreamInfoItem && !urls.contains(item.getUrl())) {
autoQueueItems.add((StreamInfoItem) item);
}
}
Collections.shuffle(autoQueueItems);
return autoQueueItems.isEmpty()
? null : getAutoQueuedSinglePlayQueue(autoQueueItems.get(0));