From 4193a1f705b68627e0090d4bb66f44bf6302dd5a Mon Sep 17 00:00:00 2001
From: jrochest <jrochest@google.com>
Date: Wed, 22 Nov 2017 01:49:47 -0800
Subject: [PATCH] Guard against null TrackSelections in
 updateTrackSelectionPlaybackSpeed.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=176629070
---
 .../com/google/android/exoplayer2/ExoPlayerImplInternal.java  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/library/core/src/main/java/com/google/android/exoplayer2/ExoPlayerImplInternal.java b/library/core/src/main/java/com/google/android/exoplayer2/ExoPlayerImplInternal.java
index 71da7043be..63ae3c630e 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/ExoPlayerImplInternal.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/ExoPlayerImplInternal.java
@@ -941,7 +941,9 @@ import java.io.IOException;
     while (periodHolder != null) {
       TrackSelection[] trackSelections = periodHolder.trackSelectorResult.selections.getAll();
       for (TrackSelection trackSelection : trackSelections) {
-        trackSelection.onPlaybackSpeed(playbackSpeed);
+        if (trackSelection != null) {
+          trackSelection.onPlaybackSpeed(playbackSpeed);
+        }
       }
       periodHolder = periodHolder.next;
     }