Use long segment indices for DASH

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=183389701

library/core/src/main/java/com/google/android/exoplayer2/source/chunk/BaseMediaChunk.java

@@ -37,9 +37,15 @@ public abstract class BaseMediaChunk extends MediaChunk {
    * @param endTimeUs The end time of the media contained by the chunk, in microseconds.
    * @param chunkIndex The index of the chunk.
    */
-  public BaseMediaChunk(DataSource dataSource, DataSpec dataSpec, Format trackFormat,
-      int trackSelectionReason, Object trackSelectionData, long startTimeUs, long endTimeUs,
-      int chunkIndex) {
+  public BaseMediaChunk(
+      DataSource dataSource,
+      DataSpec dataSpec,
+      Format trackFormat,
+      int trackSelectionReason,
+      Object trackSelectionData,
+      long startTimeUs,
+      long endTimeUs,
+      long chunkIndex) {
     super(dataSource, dataSpec, trackFormat, trackSelectionReason, trackSelectionData, startTimeUs,
         endTimeUs, chunkIndex);
   }

library/core/src/main/java/com/google/android/exoplayer2/source/chunk/ContainerMediaChunk.java

@@ -53,9 +53,18 @@ public class ContainerMediaChunk extends BaseMediaChunk {
    * @param sampleOffsetUs An offset to add to the sample timestamps parsed by the extractor.
    * @param extractorWrapper A wrapped extractor to use for parsing the data.
    */
-  public ContainerMediaChunk(DataSource dataSource, DataSpec dataSpec, Format trackFormat,
-      int trackSelectionReason, Object trackSelectionData, long startTimeUs, long endTimeUs,
-      int chunkIndex, int chunkCount, long sampleOffsetUs, ChunkExtractorWrapper extractorWrapper) {
+  public ContainerMediaChunk(
+      DataSource dataSource,
+      DataSpec dataSpec,
+      Format trackFormat,
+      int trackSelectionReason,
+      Object trackSelectionData,
+      long startTimeUs,
+      long endTimeUs,
+      long chunkIndex,
+      int chunkCount,
+      long sampleOffsetUs,
+      ChunkExtractorWrapper extractorWrapper) {
     super(dataSource, dataSpec, trackFormat, trackSelectionReason, trackSelectionData, startTimeUs,
         endTimeUs, chunkIndex);
     this.chunkCount = chunkCount;

library/core/src/main/java/com/google/android/exoplayer2/source/chunk/SingleSampleMediaChunk.java

@@ -50,9 +50,17 @@ public final class SingleSampleMediaChunk extends BaseMediaChunk {
    *     constants.
    * @param sampleFormat The {@link Format} of the sample in the chunk.
    */
-  public SingleSampleMediaChunk(DataSource dataSource, DataSpec dataSpec, Format trackFormat,
-      int trackSelectionReason, Object trackSelectionData, long startTimeUs, long endTimeUs,
-      int chunkIndex, int trackType, Format sampleFormat) {
+  public SingleSampleMediaChunk(
+      DataSource dataSource,
+      DataSpec dataSpec,
+      Format trackFormat,
+      int trackSelectionReason,
+      Object trackSelectionData,
+      long startTimeUs,
+      long endTimeUs,
+      long chunkIndex,
+      int trackType,
+      Format sampleFormat) {
     super(dataSource, dataSpec, trackFormat, trackSelectionReason, trackSelectionData, startTimeUs,
         endTimeUs, chunkIndex);
     this.trackType = trackType;

library/dash/src/androidTest/java/com/google/android/exoplayer2/source/dash/manifest/DashManifestParserTest.java

@@ -64,7 +64,7 @@ public class DashManifestParserTest extends InstrumentationTestCase {
         if (representation instanceof Representation.MultiSegmentRepresentation) {
           Representation.MultiSegmentRepresentation multiSegmentRepresentation =
               (Representation.MultiSegmentRepresentation) representation;
-          int firstSegmentIndex = multiSegmentRepresentation.getFirstSegmentNum();
+          long firstSegmentIndex = multiSegmentRepresentation.getFirstSegmentNum();
           RangedUri uri = multiSegmentRepresentation.getSegmentUrl(firstSegmentIndex);
           assertThat(
                   uri.resolveUriString(representation.baseUrl)

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/DashMediaSource.java

@@ -898,11 +898,11 @@ public final class DashMediaSource implements MediaSource {
           availableStartTimeUs = 0;
           availableEndTimeUs = 0;
         } else if (!seenEmptyIndex) {
-          int firstSegmentNum = index.getFirstSegmentNum();
+          long firstSegmentNum = index.getFirstSegmentNum();
           long adaptationSetAvailableStartTimeUs = index.getTimeUs(firstSegmentNum);
           availableStartTimeUs = Math.max(availableStartTimeUs, adaptationSetAvailableStartTimeUs);
           if (segmentCount != DashSegmentIndex.INDEX_UNBOUNDED) {
-            int lastSegmentNum = firstSegmentNum + segmentCount - 1;
+            long lastSegmentNum = firstSegmentNum + segmentCount - 1;
             long adaptationSetAvailableEndTimeUs = index.getTimeUs(lastSegmentNum)
                 + index.getDurationUs(lastSegmentNum, durationUs);
             availableEndTimeUs = Math.min(availableEndTimeUs, adaptationSetAvailableEndTimeUs);
@@ -1027,7 +1027,7 @@ public final class DashMediaSource implements MediaSource {
         // Video adaptation set does not include a non-empty index for snapping.
         return windowDefaultStartPositionUs;
       }
-      int segmentNum = snapIndex.getSegmentNum(defaultStartPositionInPeriodUs, periodDurationUs);
+      long segmentNum = snapIndex.getSegmentNum(defaultStartPositionInPeriodUs, periodDurationUs);
       return windowDefaultStartPositionUs + snapIndex.getTimeUs(segmentNum)
           - defaultStartPositionInPeriodUs;
     }

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/DashSegmentIndex.java

@@ -32,11 +32,11 @@ public interface DashSegmentIndex {
    * Otherwise, returns the segment number of the segment containing the given media time.
    *
    * @param timeUs The time in microseconds.
-   * @param periodDurationUs The duration of the enclosing period in microseconds, or
-   *     {@link C#TIME_UNSET} if the period's duration is not yet known.
+   * @param periodDurationUs The duration of the enclosing period in microseconds, or {@link
+   *     C#TIME_UNSET} if the period's duration is not yet known.
    * @return The segment number of the corresponding segment.
    */
-  int getSegmentNum(long timeUs, long periodDurationUs);
+  long getSegmentNum(long timeUs, long periodDurationUs);
 
   /**
    * Returns the start time of a segment.
@@ -44,17 +44,17 @@ public interface DashSegmentIndex {
    * @param segmentNum The segment number.
    * @return The corresponding start time in microseconds.
    */
-  long getTimeUs(int segmentNum);
+  long getTimeUs(long segmentNum);
 
   /**
    * Returns the duration of a segment.
    *
    * @param segmentNum The segment number.
-   * @param periodDurationUs The duration of the enclosing period in microseconds, or
-   *     {@link C#TIME_UNSET} if the period's duration is not yet known.
+   * @param periodDurationUs The duration of the enclosing period in microseconds, or {@link
+   *     C#TIME_UNSET} if the period's duration is not yet known.
    * @return The duration of the segment, in microseconds.
    */
-  long getDurationUs(int segmentNum, long periodDurationUs);
+  long getDurationUs(long segmentNum, long periodDurationUs);
 
   /**
    * Returns a {@link RangedUri} defining the location of a segment.
@@ -62,14 +62,14 @@ public interface DashSegmentIndex {
    * @param segmentNum The segment number.
    * @return The {@link RangedUri} defining the location of the data.
    */
-  RangedUri getSegmentUrl(int segmentNum);
+  RangedUri getSegmentUrl(long segmentNum);
 
   /**
    * Returns the segment number of the first segment.
    *
    * @return The segment number of the first segment.
    */
-  int getFirstSegmentNum();
+  long getFirstSegmentNum();
 
   /**
    * Returns the number of segments in the index, or {@link #INDEX_UNBOUNDED}.

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/DashWrappingSegmentIndex.java

@@ -34,7 +34,7 @@ public final class DashWrappingSegmentIndex implements DashSegmentIndex {
   }
 
   @Override
-  public int getFirstSegmentNum() {
+  public long getFirstSegmentNum() {
     return 0;
   }
 
@@ -44,22 +44,23 @@ public final class DashWrappingSegmentIndex implements DashSegmentIndex {
   }
 
   @Override
-  public long getTimeUs(int segmentNum) {
-    return chunkIndex.timesUs[segmentNum];
+  public long getTimeUs(long segmentNum) {
+    return chunkIndex.timesUs[(int) segmentNum];
   }
 
   @Override
-  public long getDurationUs(int segmentNum, long periodDurationUs) {
-    return chunkIndex.durationsUs[segmentNum];
+  public long getDurationUs(long segmentNum, long periodDurationUs) {
+    return chunkIndex.durationsUs[(int) segmentNum];
   }
 
   @Override
-  public RangedUri getSegmentUrl(int segmentNum) {
-    return new RangedUri(null, chunkIndex.offsets[segmentNum], chunkIndex.sizes[segmentNum]);
+  public RangedUri getSegmentUrl(long segmentNum) {
+    return new RangedUri(
+        null, chunkIndex.offsets[(int) segmentNum], chunkIndex.sizes[(int) segmentNum]);
   }
 
   @Override
-  public int getSegmentNum(long timeUs, long periodDurationUs) {
+  public long getSegmentNum(long timeUs, long periodDurationUs) {
     return chunkIndex.getChunkIndex(timeUs);
   }
 

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/DefaultDashChunkSource.java

@@ -187,7 +187,7 @@ public class DefaultDashChunkSource implements DashChunkSource {
     // Segments are aligned across representations, so any segment index will do.
     for (RepresentationHolder representationHolder : representationHolders) {
       if (representationHolder.segmentIndex != null) {
-        int segmentNum = representationHolder.getSegmentNum(positionUs);
+        long segmentNum = representationHolder.getSegmentNum(positionUs);
         long firstSyncUs = representationHolder.getSegmentStartTimeUs(segmentNum);
         long secondSyncUs =
             firstSyncUs < positionUs && segmentNum < representationHolder.getSegmentCount() - 1
@@ -284,8 +284,8 @@ public class DefaultDashChunkSource implements DashChunkSource {
       return;
     }
 
-    int firstAvailableSegmentNum = representationHolder.getFirstSegmentNum();
-    int lastAvailableSegmentNum;
+    long firstAvailableSegmentNum = representationHolder.getFirstSegmentNum();
+    long lastAvailableSegmentNum;
     if (availableSegmentCount == DashSegmentIndex.INDEX_UNBOUNDED) {
       // The index is itself unbounded. We need to use the current time to calculate the range of
       // available segments.
@@ -306,12 +306,12 @@ public class DefaultDashChunkSource implements DashChunkSource {
 
     updateLiveEdgeTimeUs(representationHolder, lastAvailableSegmentNum);
 
-    int segmentNum;
+    long segmentNum;
     if (previous == null) {
       segmentNum = Util.constrainValue(representationHolder.getSegmentNum(loadPositionUs),
           firstAvailableSegmentNum, lastAvailableSegmentNum);
     } else {
-      segmentNum = (int) previous.getNextChunkIndex();
+      segmentNum = previous.getNextChunkIndex();
       if (segmentNum < firstAvailableSegmentNum) {
         // This is before the first chunk in the current manifest.
         fatalError = new BehindLiveWindowException();
@@ -326,7 +326,8 @@ public class DefaultDashChunkSource implements DashChunkSource {
       return;
     }
 
-    int maxSegmentCount = Math.min(maxSegmentsPerLoad, lastAvailableSegmentNum - segmentNum + 1);
+    int maxSegmentCount =
+        (int) Math.min(maxSegmentsPerLoad, lastAvailableSegmentNum - segmentNum + 1);
     out.chunk = newMediaChunk(representationHolder, dataSource, trackType,
         trackSelection.getSelectedFormat(), trackSelection.getSelectionReason(),
         trackSelection.getSelectionData(), segmentNum, maxSegmentCount);
@@ -370,7 +371,7 @@ public class DefaultDashChunkSource implements DashChunkSource {
           representationHolders[trackSelection.indexOf(chunk.trackFormat)];
       int segmentCount = representationHolder.getSegmentCount();
       if (segmentCount != DashSegmentIndex.INDEX_UNBOUNDED && segmentCount != 0) {
-        int lastAvailableSegmentNum = representationHolder.getFirstSegmentNum() + segmentCount - 1;
+        long lastAvailableSegmentNum = representationHolder.getFirstSegmentNum() + segmentCount - 1;
         if (((MediaChunk) chunk).getNextChunkIndex() > lastAvailableSegmentNum) {
           missingLastSegment = true;
           return true;
@@ -393,8 +394,8 @@ public class DefaultDashChunkSource implements DashChunkSource {
     return representations;
   }
 
-  private void updateLiveEdgeTimeUs(RepresentationHolder representationHolder,
-      int lastAvailableSegmentNum) {
+  private void updateLiveEdgeTimeUs(
+      RepresentationHolder representationHolder, long lastAvailableSegmentNum) {
     liveEdgeTimeUs = manifest.dynamic
         ? representationHolder.getSegmentEndTimeUs(lastAvailableSegmentNum) : C.TIME_UNSET;
   }
@@ -433,9 +434,15 @@ public class DefaultDashChunkSource implements DashChunkSource {
         trackSelectionReason, trackSelectionData, representationHolder.extractorWrapper);
   }
 
-  protected static Chunk newMediaChunk(RepresentationHolder representationHolder,
-      DataSource dataSource, int trackType, Format trackFormat, int trackSelectionReason,
-      Object trackSelectionData, int firstSegmentNum, int maxSegmentCount) {
+  protected static Chunk newMediaChunk(
+      RepresentationHolder representationHolder,
+      DataSource dataSource,
+      int trackType,
+      Format trackFormat,
+      int trackSelectionReason,
+      Object trackSelectionData,
+      long firstSegmentNum,
+      int maxSegmentCount) {
     Representation representation = representationHolder.representation;
     long startTimeUs = representationHolder.getSegmentStartTimeUs(firstSegmentNum);
     RangedUri segmentUri = representationHolder.getSegmentUrl(firstSegmentNum);
@@ -481,7 +488,7 @@ public class DefaultDashChunkSource implements DashChunkSource {
     public DashSegmentIndex segmentIndex;
 
     private long periodDurationUs;
-    private int segmentNumShift;
+    private long segmentNumShift;
 
     /* package */ RepresentationHolder(
         long periodDurationUs,
@@ -547,10 +554,10 @@ public class DefaultDashChunkSource implements DashChunkSource {
         return;
       }
 
-      int oldIndexLastSegmentNum = oldIndex.getFirstSegmentNum() + oldIndexSegmentCount - 1;
+      long oldIndexLastSegmentNum = oldIndex.getFirstSegmentNum() + oldIndexSegmentCount - 1;
       long oldIndexEndTimeUs = oldIndex.getTimeUs(oldIndexLastSegmentNum)
           + oldIndex.getDurationUs(oldIndexLastSegmentNum, periodDurationUs);
-      int newIndexFirstSegmentNum = newIndex.getFirstSegmentNum();
+      long newIndexFirstSegmentNum = newIndex.getFirstSegmentNum();
       long newIndexStartTimeUs = newIndex.getTimeUs(newIndexFirstSegmentNum);
       if (oldIndexEndTimeUs == newIndexStartTimeUs) {
         // The new index continues where the old one ended, with no overlap.
@@ -566,7 +573,7 @@ public class DefaultDashChunkSource implements DashChunkSource {
       }
     }
 
-    public int getFirstSegmentNum() {
+    public long getFirstSegmentNum() {
       return segmentIndex.getFirstSegmentNum() + segmentNumShift;
     }
 
@@ -574,20 +581,20 @@ public class DefaultDashChunkSource implements DashChunkSource {
       return segmentIndex.getSegmentCount(periodDurationUs);
     }
 
-    public long getSegmentStartTimeUs(int segmentNum) {
+    public long getSegmentStartTimeUs(long segmentNum) {
       return segmentIndex.getTimeUs(segmentNum - segmentNumShift);
     }
 
-    public long getSegmentEndTimeUs(int segmentNum) {
+    public long getSegmentEndTimeUs(long segmentNum) {
       return getSegmentStartTimeUs(segmentNum)
           + segmentIndex.getDurationUs(segmentNum - segmentNumShift, periodDurationUs);
     }
 
-    public int getSegmentNum(long positionUs) {
+    public long getSegmentNum(long positionUs) {
       return segmentIndex.getSegmentNum(positionUs, periodDurationUs) + segmentNumShift;
     }
 
-    public RangedUri getSegmentUrl(int segmentNum) {
+    public RangedUri getSegmentUrl(long segmentNum) {
       return segmentIndex.getSegmentUrl(segmentNum - segmentNumShift);
     }
 

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/DashManifestParser.java

@@ -602,7 +602,7 @@ public class DashManifestParser extends DefaultHandler
     long presentationTimeOffset = parseLong(xpp, "presentationTimeOffset",
         parent != null ? parent.presentationTimeOffset : 0);
     long duration = parseLong(xpp, "duration", parent != null ? parent.duration : C.TIME_UNSET);
-    int startNumber = parseInt(xpp, "startNumber", parent != null ? parent.startNumber : 1);
+    long startNumber = parseLong(xpp, "startNumber", parent != null ? parent.startNumber : 1);
 
     RangedUri initialization = null;
     List<SegmentTimelineElement> timeline = null;
@@ -632,9 +632,14 @@ public class DashManifestParser extends DefaultHandler
         startNumber, duration, timeline, segments);
   }
 
-  protected SegmentList buildSegmentList(RangedUri initialization, long timescale,
-      long presentationTimeOffset, int startNumber, long duration,
-      List<SegmentTimelineElement> timeline, List<RangedUri> segments) {
+  protected SegmentList buildSegmentList(
+      RangedUri initialization,
+      long timescale,
+      long presentationTimeOffset,
+      long startNumber,
+      long duration,
+      List<SegmentTimelineElement> timeline,
+      List<RangedUri> segments) {
     return new SegmentList(initialization, timescale, presentationTimeOffset,
         startNumber, duration, timeline, segments);
   }
@@ -645,7 +650,7 @@ public class DashManifestParser extends DefaultHandler
     long presentationTimeOffset = parseLong(xpp, "presentationTimeOffset",
         parent != null ? parent.presentationTimeOffset : 0);
     long duration = parseLong(xpp, "duration", parent != null ? parent.duration : C.TIME_UNSET);
-    int startNumber = parseInt(xpp, "startNumber", parent != null ? parent.startNumber : 1);
+    long startNumber = parseLong(xpp, "startNumber", parent != null ? parent.startNumber : 1);
     UrlTemplate mediaTemplate = parseUrlTemplate(xpp, "media",
         parent != null ? parent.mediaTemplate : null);
     UrlTemplate initializationTemplate = parseUrlTemplate(xpp, "initialization",
@@ -672,9 +677,14 @@ public class DashManifestParser extends DefaultHandler
         startNumber, duration, timeline, initializationTemplate, mediaTemplate);
   }
 
-  protected SegmentTemplate buildSegmentTemplate(RangedUri initialization, long timescale,
-      long presentationTimeOffset, int startNumber, long duration,
-      List<SegmentTimelineElement> timeline, UrlTemplate initializationTemplate,
+  protected SegmentTemplate buildSegmentTemplate(
+      RangedUri initialization,
+      long timescale,
+      long presentationTimeOffset,
+      long startNumber,
+      long duration,
+      List<SegmentTimelineElement> timeline,
+      UrlTemplate initializationTemplate,
       UrlTemplate mediaTemplate) {
     return new SegmentTemplate(initialization, timescale, presentationTimeOffset,
         startNumber, duration, timeline, initializationTemplate, mediaTemplate);

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/Representation.java

@@ -292,27 +292,27 @@ public abstract class Representation {
     // DashSegmentIndex implementation.
 
     @Override
-    public RangedUri getSegmentUrl(int segmentIndex) {
+    public RangedUri getSegmentUrl(long segmentIndex) {
       return segmentBase.getSegmentUrl(this, segmentIndex);
     }
 
     @Override
-    public int getSegmentNum(long timeUs, long periodDurationUs) {
+    public long getSegmentNum(long timeUs, long periodDurationUs) {
       return segmentBase.getSegmentNum(timeUs, periodDurationUs);
     }
 
     @Override
-    public long getTimeUs(int segmentIndex) {
+    public long getTimeUs(long segmentIndex) {
       return segmentBase.getSegmentTimeUs(segmentIndex);
     }
 
     @Override
-    public long getDurationUs(int segmentIndex, long periodDurationUs) {
+    public long getDurationUs(long segmentIndex, long periodDurationUs) {
       return segmentBase.getSegmentDurationUs(segmentIndex, periodDurationUs);
     }
 
     @Override
-    public int getFirstSegmentNum() {
+    public long getFirstSegmentNum() {
       return segmentBase.getFirstSegmentNum();
     }
 

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/SingleSegmentIndex.java

@@ -32,27 +32,27 @@ import com.google.android.exoplayer2.source.dash.DashSegmentIndex;
   }
 
   @Override
-  public int getSegmentNum(long timeUs, long periodDurationUs) {
+  public long getSegmentNum(long timeUs, long periodDurationUs) {
     return 0;
   }
 
   @Override
-  public long getTimeUs(int segmentNum) {
+  public long getTimeUs(long segmentNum) {
     return 0;
   }
 
   @Override
-  public long getDurationUs(int segmentNum, long periodDurationUs) {
+  public long getDurationUs(long segmentNum, long periodDurationUs) {
     return periodDurationUs;
   }
 
   @Override
-  public RangedUri getSegmentUrl(int segmentNum) {
+  public RangedUri getSegmentUrl(long segmentNum) {
     return uri;
   }
 
   @Override
-  public int getFirstSegmentNum() {
+  public long getFirstSegmentNum() {
     return 0;
   }
 

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/UrlTemplate.java

@@ -71,8 +71,8 @@ public final class UrlTemplate {
 
   /**
    * Constructs a Uri from the template, substituting in the provided arguments.
-   * <p>
-   * Arguments whose corresponding identifiers are not present in the template will be ignored.
+   *
+   * <p>Arguments whose corresponding identifiers are not present in the template will be ignored.
    *
    * @param representationId The representation identifier.
    * @param segmentNumber The segment number.
@@ -80,7 +80,7 @@ public final class UrlTemplate {
    * @param time The time as specified by the segment timeline.
    * @return The built Uri.
    */
-  public String buildUri(String representationId, int segmentNumber, int bandwidth, long time) {
+  public String buildUri(String representationId, long segmentNumber, int bandwidth, long time) {
     StringBuilder builder = new StringBuilder();
     for (int i = 0; i < identifierCount; i++) {
       builder.append(urlPieces[i]);

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/offline/DashDownloader.java

@@ -138,9 +138,9 @@ public final class DashDownloader extends SegmentDownloader<DashManifest, Repres
         addSegment(segments, startUs, baseUrl, indexUri);
       }
 
-      int firstSegmentNum = index.getFirstSegmentNum();
-      int lastSegmentNum = firstSegmentNum + segmentCount - 1;
-      for (int j = firstSegmentNum; j <= lastSegmentNum; j++) {
+      long firstSegmentNum = index.getFirstSegmentNum();
+      long lastSegmentNum = firstSegmentNum + segmentCount - 1;
+      for (long j = firstSegmentNum; j <= lastSegmentNum; j++) {
         addSegment(segments, startUs + index.getTimeUs(j), baseUrl, index.getSegmentUrl(j));
       }
     }

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistTracker.java

@@ -450,11 +450,9 @@ public final class HlsPlaylistTracker implements Loader.Callback<ParsingLoadable
 
   private static Segment getFirstOldOverlappingSegment(HlsMediaPlaylist oldPlaylist,
       HlsMediaPlaylist loadedPlaylist) {
-    long mediaSequenceOffset = loadedPlaylist.mediaSequence - oldPlaylist.mediaSequence;
+    int mediaSequenceOffset = (int) (loadedPlaylist.mediaSequence - oldPlaylist.mediaSequence);
     List<Segment> oldSegments = oldPlaylist.segments;
-    return mediaSequenceOffset < oldSegments.size()
-        ? oldSegments.get((int) mediaSequenceOffset)
-        : null;
+    return mediaSequenceOffset < oldSegments.size() ? oldSegments.get(mediaSequenceOffset) : null;
   }
 
   /**