Upstream sync

app/models/broadcast.rb

@@ -49,11 +49,13 @@ class Broadcast < ApplicationRecord
   private
 
   def create_mux_live_stream
-    stream = MuxLiveStream.new
+    stream = MuxLiveStream.create_with_simulcast
 
     self.stream_uid = stream.id
     self.stream_key = stream.key
     self.stream_playback_uid = stream.playback_id
+    self.simulcast_uid = stream.simulcast_id
+    self.director_mode_video_embed ||= stream.simulcast_destination.try(:playback_embed)
     self.save!
   end