From 7026ca7e51253673bb3ccdc4cfc6f5aada00d81f Mon Sep 17 00:00:00 2001
From: Ash Mishra <a.mishra@nfb.ca>
Date: Thu, 18 Oct 2018 15:21:46 -0700
Subject: [PATCH] disable airplay when sideloaded captions

---
 ios/Video/RCTVideo.m | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ios/Video/RCTVideo.m b/ios/Video/RCTVideo.m
index 61b87578..949bee0d 100644
--- a/ios/Video/RCTVideo.m
+++ b/ios/Video/RCTVideo.m
@@ -397,10 +397,13 @@ static int const RCTVideoUnset = -1;
 
 - (void)playerItemPrepareText:(AVAsset *)asset assetOptions:(NSDictionary * __nullable)assetOptions withCallback:(void(^)(AVPlayerItem *))handler
 {
-  if (!_textTracks) {
+  if (!_textTracks || _textTracks.count==0) {
     handler([AVPlayerItem playerItemWithAsset:asset]);
     return;
   }
+  
+  // AVPlayer can't airplay AVMutableCompositions
+  _allowsExternalPlayback = NO;
 
   // sideload text tracks
   AVMutableComposition *mixComposition = [[AVMutableComposition alloc] init];