From 1518927e12a75bde636d9321a8f5b27db3120ed2 Mon Sep 17 00:00:00 2001
From: olly <olly@google.com>
Date: Thu, 25 Aug 2016 05:59:28 +0100
Subject: [PATCH] Fix seeking backward from end of last period.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=141299172
---
 .../com/google/android/exoplayer2/ExoPlayerImplInternal.java  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/library/src/main/java/com/google/android/exoplayer2/ExoPlayerImplInternal.java b/library/src/main/java/com/google/android/exoplayer2/ExoPlayerImplInternal.java
index 7eaf91cec2..8f86a2db61 100644
--- a/library/src/main/java/com/google/android/exoplayer2/ExoPlayerImplInternal.java
+++ b/library/src/main/java/com/google/android/exoplayer2/ExoPlayerImplInternal.java
@@ -1294,6 +1294,10 @@ import java.io.IOException;
   }
 
   private void setPlayingPeriodHolder(MediaPeriodHolder periodHolder) throws ExoPlaybackException {
+    if (playingPeriodHolder == periodHolder) {
+      return;
+    }
+
     playingPeriodHolder = periodHolder;
     int enabledRendererCount = 0;
     boolean[] rendererWasEnabledFlags = new boolean[renderers.length];