OTPublisher change from OTPublisherKit and readme with H264 only (#274)

Author: IGitGotIt

Broadcast-Ext/OpenTok Live/OTBroadcastExtHelper.m

@@ -20,7 +20,7 @@ @implementation OTBroadcastExtHelper
 
     // OT vars
     OTSession* _session;
-    OTPublisherKit* _publisher;
+    OTPublisher* _publisher;
     OTSubscriber* _subscriber;
     OTBroadcastExtAudioDevice* _audioDevice;
 
@@ -99,9 +99,8 @@ - (void)doPublish
     settings.videoCapture = _videoCapturer;
 
     settings.name = [[UIDevice currentDevice] name];
-    _publisher =
-    [[OTPublisherKit alloc] initWithDelegate:self
-                                    settings:settings];
+    _publisher = [[OTPublisher alloc] initWithDelegate:self
+                                              settings:settings];
 
     // We need to set publishAudio to false
     // since we don't know the broadcast session is

Broadcast-Ext/README.md

@@ -1,6 +1,9 @@
 Broadcast Extension sample app
 ===========================
 
+** The sample app will only work with H264 video codec. Make sure that your API key is enabled for it.** Please contact
+support if you want it to be enabled.
+
 The Broadcast Extension app shows how to implement the iOS Broadcast Upload extension
 using the OpenTok iOS SDK.