preferred codec (#841)

* preferred codec

* tidy up

Author: thesyncim

protobuf/video/sfu/event/events.pb.go

@@ -187,6 +187,7 @@ message JoinRequest {
   bool fast_reconnect = 6 [deprecated = true];
 
   ReconnectDetails reconnect_details = 7;
+  models.Codec preferred_codec = 9;
 }
 
 message ReconnectDetails {

protobuf/video/sfu/event/events.proto

@@ -122,10 +122,10 @@ message PublishOption {
 }
 
 message Codec {
-  uint32 payload_type = 11;
+  uint32 payload_type = 13;
   string name = 10;
   uint32 clock_rate = 14;
-  string encoding_parameters = 13;
+  string encoding_parameters = 15;
   string fmtp = 12;
 }