From ff712aead598515a6c9d47bf3050f185c226774c Mon Sep 17 00:00:00 2001
From: aquilescanta <aquilescanta@google.com>
Date: Thu, 13 Oct 2016 04:40:44 -0700
Subject: [PATCH] Try not adapting before failing with
 BehindLiveWindowException in Hls

Issue:#1782

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=136025847
---
 .../exoplayer2/source/hls/HlsChunkSource.java        | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/library/src/main/java/com/google/android/exoplayer2/source/hls/HlsChunkSource.java b/library/src/main/java/com/google/android/exoplayer2/source/hls/HlsChunkSource.java
index 6dade6a02f..53d9e70d76 100644
--- a/library/src/main/java/com/google/android/exoplayer2/source/hls/HlsChunkSource.java
+++ b/library/src/main/java/com/google/android/exoplayer2/source/hls/HlsChunkSource.java
@@ -257,8 +257,16 @@ import java.util.Locale;
         chunkMediaSequence = getLiveNextChunkSequenceNumber(previous.chunkIndex, oldVariantIndex,
             newVariantIndex);
         if (chunkMediaSequence < mediaPlaylist.mediaSequence) {
-          fatalError = new BehindLiveWindowException();
-          return;
+          // We try getting the next chunk without adapting in case that's the reason for falling
+          // behind the live window.
+          newVariantIndex = oldVariantIndex;
+          mediaPlaylist = variantPlaylists[newVariantIndex];
+          chunkMediaSequence = getLiveNextChunkSequenceNumber(previous.chunkIndex, oldVariantIndex,
+              newVariantIndex);
+          if (chunkMediaSequence < mediaPlaylist.mediaSequence) {
+            fatalError = new BehindLiveWindowException();
+            return;
+          }
         }
       }
     } else {