From d418204e261ea2011373c19ba4bc6e8d9a88e5ab Mon Sep 17 00:00:00 2001
From: tonihei <tonihei@google.com>
Date: Fri, 26 Jan 2018 05:09:17 -0800
Subject: [PATCH] Allow reusing HlsMediaSource.

GitHub:#3498

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=183373647
---
 .../google/android/exoplayer2/source/hls/HlsMediaSource.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaSource.java b/library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaSource.java
index 31680af8c4..5113bef6e0 100644
--- a/library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaSource.java
+++ b/library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaSource.java
@@ -324,10 +324,9 @@ public final class HlsMediaSource implements MediaSource,
 
   @Override
   public void prepareSource(ExoPlayer player, boolean isTopLevelSource, Listener listener) {
-    Assertions.checkState(sourceListener == null, MEDIA_SOURCE_REUSED_ERROR_MESSAGE);
+    sourceListener = listener;
     playlistTracker = new HlsPlaylistTracker(manifestUri, dataSourceFactory, eventDispatcher,
         minLoadableRetryCount, this, playlistParser);
-    sourceListener = listener;
     playlistTracker.start();
   }
 
@@ -361,6 +360,7 @@ public final class HlsMediaSource implements MediaSource,
       playlistTracker.release();
       playlistTracker = null;
     }
+    sourceListener = null;
   }
 
   @Override