From edf3a8c5799f2bf2440b1e4d1dfb19b907f7f238 Mon Sep 17 00:00:00 2001
From: Don Nguyen <don.nguyen@hazuu.com>
Date: Fri, 27 May 2016 15:56:16 +0700
Subject: [PATCH] Remove observer of player before calling playerWithPlayerItem

It makes no sense if we move observer after calling calling playerWithPlayerItem because this is where the exception raises
---
 RCTVideo.m | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/RCTVideo.m b/RCTVideo.m
index 7e48fb4d..4221fe76 100644
--- a/RCTVideo.m
+++ b/RCTVideo.m
@@ -223,13 +223,14 @@ static NSString *const playbackRate = @"rate";
   [_playerViewController.view removeFromSuperview];
   _playerViewController = nil;
 
-  _player = [AVPlayer playerWithPlayerItem:_playerItem];
-  _player.actionAtItemEnd = AVPlayerActionAtItemEndNone;
-    
   if (_playbackRateObserverRegistered) {
     [_player removeObserver:self forKeyPath:playbackRate context:nil];
     _playbackRateObserverRegistered = NO;
   }
+
+  _player = [AVPlayer playerWithPlayerItem:_playerItem];
+  _player.actionAtItemEnd = AVPlayerActionAtItemEndNone;
+  
   [_player addObserver:self forKeyPath:playbackRate options:0 context:nil];
   _playbackRateObserverRegistered = YES;