From e0a00502a72a6a1b8fe3d7143bba38b49dd7c776 Mon Sep 17 00:00:00 2001
From: sammon <sammon@google.com>
Date: Wed, 22 Mar 2017 12:01:06 -0700
Subject: [PATCH] Avoid exception when creating ChunkIndex with length = 0.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=150908893
---
 .../com/google/android/exoplayer2/extractor/ChunkIndex.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/library/core/src/main/java/com/google/android/exoplayer2/extractor/ChunkIndex.java b/library/core/src/main/java/com/google/android/exoplayer2/extractor/ChunkIndex.java
index 4ce430c5ff..baa5589f4b 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/extractor/ChunkIndex.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/extractor/ChunkIndex.java
@@ -61,7 +61,11 @@ public final class ChunkIndex implements SeekMap {
     this.durationsUs = durationsUs;
     this.timesUs = timesUs;
     length = sizes.length;
-    durationUs = durationsUs[length - 1] + timesUs[length - 1];
+    if (length > 0) {
+      durationUs = durationsUs[length - 1] + timesUs[length - 1];
+    } else {
+      durationUs = 0;
+    }
   }
 
   /**