diff --git a/app/src/main/java/org/schabi/newpipe/player/helper/PlayerHelper.java b/app/src/main/java/org/schabi/newpipe/player/helper/PlayerHelper.java
index 11d39a5c5..25844f799 100644
--- a/app/src/main/java/org/schabi/newpipe/player/helper/PlayerHelper.java
+++ b/app/src/main/java/org/schabi/newpipe/player/helper/PlayerHelper.java
@@ -49,12 +49,12 @@ import java.text.DecimalFormatSymbols;
 import java.text.NumberFormat;
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Locale;
 import java.util.Objects;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
 
 public final class PlayerHelper {
     private static final FormattersProvider FORMATTERS_PROVIDER = new FormattersProvider();
@@ -174,10 +174,9 @@ public final class PlayerHelper {
     @Nullable
     public static PlayQueue autoQueueOf(@NonNull final StreamInfo info,
                                         @NonNull final List<PlayQueueItem> existingItems) {
-        final Set<String> urls = new HashSet<>(existingItems.size());
-        for (final PlayQueueItem item : existingItems) {
-            urls.add(item.getUrl());
-        }
+        final Set<String> urls = existingItems.stream()
+                .map(PlayQueueItem::getUrl)
+                .collect(Collectors.toUnmodifiableSet());
 
         final List<InfoItem> relatedItems = info.getRelatedItems();
         if (Utils.isNullOrEmpty(relatedItems)) {
diff --git a/app/src/main/java/org/schabi/newpipe/player/playqueue/SinglePlayQueue.java b/app/src/main/java/org/schabi/newpipe/player/playqueue/SinglePlayQueue.java
index f13d7924d..a072369d6 100644
--- a/app/src/main/java/org/schabi/newpipe/player/playqueue/SinglePlayQueue.java
+++ b/app/src/main/java/org/schabi/newpipe/player/playqueue/SinglePlayQueue.java
@@ -5,8 +5,8 @@ import androidx.annotation.NonNull;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
 
-import java.util.ArrayList;
 import java.util.List;
+import java.util.stream.Collectors;
 
 public final class SinglePlayQueue extends PlayQueue {
     public SinglePlayQueue(final StreamInfoItem item) {
@@ -29,11 +29,7 @@ public final class SinglePlayQueue extends PlayQueue {
     }
 
     private static List<PlayQueueItem> playQueueItemsOf(@NonNull final List<StreamInfoItem> items) {
-        final List<PlayQueueItem> playQueueItems = new ArrayList<>(items.size());
-        for (final StreamInfoItem item : items) {
-            playQueueItems.add(new PlayQueueItem(item));
-        }
-        return playQueueItems;
+        return items.stream().map(PlayQueueItem::new).collect(Collectors.toList());
     }
 
     @Override
diff --git a/app/src/main/java/org/schabi/newpipe/player/ui/MainPlayerUi.java b/app/src/main/java/org/schabi/newpipe/player/ui/MainPlayerUi.java
index 868881782..4d85dc950 100644
--- a/app/src/main/java/org/schabi/newpipe/player/ui/MainPlayerUi.java
+++ b/app/src/main/java/org/schabi/newpipe/player/ui/MainPlayerUi.java
@@ -77,6 +77,7 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.stream.Collectors;
 
 public final class MainPlayerUi extends VideoPlayerUi implements View.OnLayoutChangeListener {
     private static final String TAG = MainPlayerUi.class.getSimpleName();
@@ -749,13 +750,13 @@ public final class MainPlayerUi extends VideoPlayerUi implements View.OnLayoutCh
     }
 
     private int getNearestStreamSegmentPosition(final long playbackPosition) {
-        int nearestPosition = 0;
         final List<StreamSegment> segments = player.getCurrentStreamInfo()
                 .map(StreamInfo::getStreamSegments)
                 .orElse(Collections.emptyList());
 
-        for (int i = 0; i < segments.size(); i++) {
-            if (segments.get(i).getStartTimeSeconds() * 1000L > playbackPosition) {
+        int nearestPosition = 0;
+        for (final var segment : segments) {
+            if (segment.getStartTimeSeconds() * 1000L > playbackPosition) {
                 break;
             }
             nearestPosition++;
@@ -816,22 +817,13 @@ public final class MainPlayerUi extends VideoPlayerUi implements View.OnLayoutCh
         }
 
         final int currentStream = playQueue.getIndex();
-        int before = 0;
-        int after = 0;
-
         final List<PlayQueueItem> streams = playQueue.getStreams();
-        final int nStreams = streams.size();
 
-        for (int i = 0; i < nStreams; i++) {
-            if (i < currentStream) {
-                before += streams.get(i).getDuration();
-            } else {
-                after += streams.get(i).getDuration();
-            }
-        }
+        final long before = streams.subList(0, currentStream).stream()
+                .collect(Collectors.summingLong(PlayQueueItem::getDuration)) * 1000;
 
-        before *= 1000;
-        after *= 1000;
+        final long after = streams.subList(currentStream, streams.size()).stream()
+                .collect(Collectors.summingLong(PlayQueueItem::getDuration)) * 1000;
 
         binding.itemsListHeaderDuration.setText(
                 String.format("%s/%s",