Use empty interceptor registry.

This is the default in Pion v3, but not in v4.  This is required
since we do our own NACK handling and congestion control.

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/jech/cert v0.0.0-20240301122532-f491cf43a77d
 	github.com/jech/samplebuilder v0.0.0-20221109182433-6cbba09fc1c9
 	github.com/pion/ice/v2 v2.3.37
+	github.com/pion/interceptor v0.1.37
 	github.com/pion/rtcp v1.2.15
 	github.com/pion/rtp v1.8.10
 	github.com/pion/sdp/v3 v3.0.9
@@ -24,7 +25,6 @@ require (
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/pion/datachannel v1.5.10 // indirect
 	github.com/pion/dtls/v2 v2.2.12 // indirect
-	github.com/pion/interceptor v0.1.37 // indirect
 	github.com/pion/logging v0.2.2 // indirect
 	github.com/pion/mdns v0.0.12 // indirect
 	github.com/pion/randutil v0.1.0 // indirect

group/group.go

@@ -16,6 +16,7 @@ import (
 	"time"
 
 	"github.com/pion/ice/v2"
+	"github.com/pion/interceptor"
 	"github.com/pion/sdp/v3"
 	"github.com/pion/webrtc/v3"
 
@@ -364,6 +365,7 @@ func APIFromCodecs(codecs []webrtc.RTPCodecParameters) (*webrtc.API, error) {
 	if !UseMDNS {
 		s.SetICEMulticastDNSMode(ice.MulticastDNSModeDisabled)
 	}
+
 	m := webrtc.MediaEngine{}
 
 	for _, codec := range codecs {
@@ -388,9 +390,12 @@ func APIFromCodecs(codecs []webrtc.RTPCodecParameters) (*webrtc.API, error) {
 		webrtc.RTPHeaderExtensionCapability{sdp.SDESRTPStreamIDURI},
 		webrtc.RTPCodecTypeVideo)
 
+	ir := interceptor.Registry{}
+
 	return webrtc.NewAPI(
 		webrtc.WithSettingEngine(s),
 		webrtc.WithMediaEngine(&m),
+		webrtc.WithInterceptorRegistry(&ir),
 	), nil
 }