Fix linter errors

golangci-lint upgrade to v1.56.2 added more checks

Relates to pion/.goassets#201

Author: Sean-Der

gstreamer-receive/main.go

@@ -41,7 +41,7 @@ func gstreamerReceiveMain() {
 
 	// Set a handler for when a new remote track starts, this handler creates a gstreamer pipeline
 	// for the given codec
-	peerConnection.OnTrack(func(track *webrtc.TrackRemote, receiver *webrtc.RTPReceiver) {
+	peerConnection.OnTrack(func(track *webrtc.TrackRemote, _ *webrtc.RTPReceiver) {
 		// Send a PLI on an interval so that the publisher is pushing a keyframe every rtcpPLIInterval
 		go func() {
 			ticker := time.NewTicker(time.Second * 3)

janus-gateway/streaming/main.go

@@ -136,7 +136,7 @@ func main() {
 			fmt.Printf("Connection State has changed %s \n", connectionState.String())
 		})
 
-		peerConnection.OnTrack(func(track *webrtc.TrackRemote, receiver *webrtc.RTPReceiver) {
+		peerConnection.OnTrack(func(track *webrtc.TrackRemote, _ *webrtc.RTPReceiver) {
 			codec := track.Codec()
 			if codec.MimeType == "audio/opus" {
 				fmt.Println("Got Opus track, saving to disk as output.ogg")

save-to-webm/main.go

@@ -193,7 +193,7 @@ func createWebRTCConn(saver *webmSaver) *webrtc.PeerConnection {
 
 	// Set a handler for when a new remote track starts, this handler copies inbound RTP packets,
 	// replaces the SSRC and sends them back
-	peerConnection.OnTrack(func(track *webrtc.TrackRemote, receiver *webrtc.RTPReceiver) {
+	peerConnection.OnTrack(func(track *webrtc.TrackRemote, _ *webrtc.RTPReceiver) {
 		// Send a PLI on an interval so that the publisher is pushing a keyframe every rtcpPLIInterval
 		go func() {
 			ticker := time.NewTicker(time.Second * 3)

sip-over-websocket-to-webrtc/main.go

@@ -56,7 +56,7 @@ func main() {
 		panic(err)
 	}
 
-	pc.OnTrack(func(track *webrtc.TrackRemote, receiver *webrtc.RTPReceiver) {
+	pc.OnTrack(func(track *webrtc.TrackRemote, _ *webrtc.RTPReceiver) {
 		fmt.Println("Got Opus track, saving to disk as output.ogg")
 
 		for {

sip-over-websocket-to-webrtc/softphone/invite.go

@@ -31,7 +31,7 @@ func (softphone *Softphone) Invite(extension, offer string) {
 		nonce := regex.FindStringSubmatch(authenticateHeader)[1]
 
 		sipMessage.addProxyAuthorization(*softphone, nonce, extension, "INVITE").addCseq(softphone).newViaBranch()
-		softphone.request(sipMessage, func(msg string) bool {
+		softphone.request(sipMessage, func(string) bool {
 			return false
 		})
 

sip-over-websocket-to-webrtc/softphone/register.go

@@ -64,7 +64,7 @@ func (softphone *Softphone) register() {
 		nonce := regex.FindStringSubmatch(authenticateHeader)[1]
 
 		sipMessage.addAuthorization(*softphone, nonce, "REGISTER").addCseq(softphone).newViaBranch()
-		softphone.request(sipMessage, func(msg string) bool {
+		softphone.request(sipMessage, func(string) bool {
 			registeredFunc()
 
 			return false

sip-over-websocket-to-webrtc/softphone/softphone.go

@@ -30,7 +30,7 @@ type Softphone struct {
 // NewSoftPhone ...
 func NewSoftPhone(sipInfo SIPInfoResponse) *Softphone {
 	softphone := Softphone{}
-	softphone.OnInvite = func(inviteMessage SIPMessage) {}
+	softphone.OnInvite = func(SIPMessage) {}
 	softphone.fakeDomain = uuid.New().String() + ".invalid"
 	softphone.FakeEmail = uuid.New().String() + "@" + softphone.fakeDomain
 	softphone.fromTag = uuid.New().String()

snapshot/main.go

@@ -43,7 +43,7 @@ func signaling(w http.ResponseWriter, r *http.Request) {
 
 	// Set a handler for when a new remote track starts, this handler saves buffers to SampleBuilder
 	// so we can generate a snapshot
-	peerConnection.OnTrack(func(track *webrtc.TrackRemote, receiver *webrtc.RTPReceiver) {
+	peerConnection.OnTrack(func(track *webrtc.TrackRemote, _ *webrtc.RTPReceiver) {
 		// Send a PLI on an interval so that the publisher is pushing a keyframe every rtcpPLIInterval
 		go func() {
 			ticker := time.NewTicker(time.Second * 3)

twitch/main.go

@@ -79,7 +79,7 @@ func main() {
 		panic(err)
 	}
 
-	peerConnection.OnTrack(func(track *webrtc.TrackRemote, receiver *webrtc.RTPReceiver) {
+	peerConnection.OnTrack(func(track *webrtc.TrackRemote, _ *webrtc.RTPReceiver) {
 		// Send a PLI on an interval so that the publisher is pushing a keyframe every rtcpPLIInterval
 		go func() {
 			ticker := time.NewTicker(time.Second * 3)