Expose WithCodecs (#829)

* Expose with codecs

* udpdate test

Author: milos-lk

integration_test.go

@@ -547,7 +547,7 @@ func TestSimulcastCodec(t *testing.T) {
 						require.Equal(t, c.backupCodec.MimeType, track.Codec().MimeType)
 					},
 				},
-			}, "backup_subscriber", withCodecs([]webrtc.RTPCodecParameters{
+			}, "backup_subscriber", WithCodecs([]webrtc.RTPCodecParameters{
 				{
 					RTPCodecCapability: c.backupCodec,
 					PayloadType:        96,

room.go

@@ -177,7 +177,7 @@ func WithExtraAttributes(attrs map[string]string) ConnectOption {
 }
 
 // for internal use to test codecs
-func withCodecs(codecs []webrtc.RTPCodecParameters) ConnectOption {
+func WithCodecs(codecs []webrtc.RTPCodecParameters) ConnectOption {
 	return func(p *signalling.ConnectParams) {
 		p.Codecs = codecs
 	}