From 9c2528a70f6fa56db6c9b10b794c5bf945731b1d Mon Sep 17 00:00:00 2001
From: Oliver Woodman <olly@google.com>
Date: Mon, 31 Jul 2017 21:28:22 +0100
Subject: [PATCH] Correctly handle reading 0 bits

---
 .../com/google/android/exoplayer2/util/ParsableBitArray.java   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/library/core/src/main/java/com/google/android/exoplayer2/util/ParsableBitArray.java b/library/core/src/main/java/com/google/android/exoplayer2/util/ParsableBitArray.java
index 0456bcb879..199ceff892 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/util/ParsableBitArray.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/util/ParsableBitArray.java
@@ -155,6 +155,9 @@ public final class ParsableBitArray {
    * @return An integer whose bottom n bits hold the read data.
    */
   public int readBits(int numBits) {
+    if (numBits == 0) {
+      return 0;
+    }
     int returnValue = 0;
     bitOffset += numBits;
     while (bitOffset > 8) {