From 093ffccd9b99f5b1de10832f01cda895bcb64a3a Mon Sep 17 00:00:00 2001
From: Austin Witherow <au.witherow@gmail.com>
Date: Tue, 2 Jan 2018 12:06:43 -0500
Subject: [PATCH] fix(ios): crash due to persistent keyPath observer (#600)

---
 ios/RCTVideo.m | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ios/RCTVideo.m b/ios/RCTVideo.m
index 58eaf608..0f1227b1 100644
--- a/ios/RCTVideo.m
+++ b/ios/RCTVideo.m
@@ -252,6 +252,9 @@ static NSString *const timedMetadata = @"timedMetadata";
  * observer set */
 - (void)removePlayerItemObservers
 {
+  if (_playerLayer) {
+    [_playerLayer removeObserver:self forKeyPath:readyForDisplayKeyPath];
+  }
   if (_playerItemObserversSet) {
     [_playerItem removeObserver:self forKeyPath:statusKeyPath];
     [_playerItem removeObserver:self forKeyPath:playbackBufferEmptyKeyPath];