add RTCP tests

README.md

@@ -17,13 +17,13 @@ Features:
   * Encrypt connection with TLS (RTSPS)
   * Reading
     * Read streams from servers with UDP or TCP
-    * Select protocol automatically
+    * Switch protocol automatically (switch to TCP in case of code 451 or UDP timeout)
     * Read only selected tracks of a stream
     * Pause reading without disconnecting from the server
     * Generate RTCP receiver reports automatically
   * Publishing
     * Publish streams to servers with UDP or TCP
-    * Select protocol automatically
+    * Switch protocol automatically (switch to TCP in case of code 451)
     * Pause publishing without disconnecting from the server
     * Generate RTCP sender reports automatically
 * Server

clientconf.go

@@ -85,6 +85,9 @@ type ClientConf struct {
 	// function used to initialize UDP listeners.
 	// It defaults to net.ListenPacket.
 	ListenPacket func(network, address string) (net.PacketConn, error)
+
+	senderReportPeriod   time.Duration
+	receiverReportPeriod time.Duration
 }
 
 // Dial connects to a server.

clientconn.go

@@ -30,8 +30,6 @@ import (
 const (
 	clientConnReadBufferSize       = 4096
 	clientConnWriteBufferSize      = 4096
-	clientConnReceiverReportPeriod = 10 * time.Second
-	clientConnSenderReportPeriod   = 10 * time.Second
 	clientConnUDPCheckStreamPeriod = 1 * time.Second
 	clientConnUDPKeepalivePeriod   = 30 * time.Second
 	clientConnTCPSetDeadlinePeriod = 1 * time.Second
@@ -127,6 +125,13 @@ func newClientConn(conf ClientConf, scheme string, host string) (*ClientConn, er
 		conf.ListenPacket = net.ListenPacket
 	}
 
+	if conf.senderReportPeriod == 0 {
+		conf.senderReportPeriod = 10 * time.Second
+	}
+	if conf.receiverReportPeriod == 0 {
+		conf.receiverReportPeriod = 10 * time.Second
+	}
+
 	cc := &ClientConn{
 		conf:             conf,
 		udpRTPListeners:  make(map[int]*clientConnUDPListener),

clientconnpublish.go

@@ -76,7 +76,7 @@ func (cc *ClientConn) backgroundRecordUDP() {
 		}
 	}()
 
-	reportTicker := time.NewTicker(clientConnSenderReportPeriod)
+	reportTicker := time.NewTicker(cc.conf.senderReportPeriod)
 	defer reportTicker.Stop()
 
 	for {
@@ -112,7 +112,7 @@ func (cc *ClientConn) backgroundRecordTCP() {
 		cc.publishOpen = false
 	}()
 
-	reportTicker := time.NewTicker(clientConnSenderReportPeriod)
+	reportTicker := time.NewTicker(cc.conf.senderReportPeriod)
 	defer reportTicker.Stop()
 
 	for {

clientconnpublish_test.go

@@ -7,10 +7,13 @@ import (
 	"testing"
 	"time"
 
+	"github.com/pion/rtcp"
+	"github.com/pion/rtp"
 	"github.com/stretchr/testify/require"
 
 	"github.com/aler9/gortsplib/pkg/base"
 	"github.com/aler9/gortsplib/pkg/headers"
+	"github.com/aler9/gortsplib/pkg/rtcpreceiver"
 )
 
 func TestClientPublishSerial(t *testing.T) {
@@ -113,9 +116,6 @@ func TestClientPublishSerial(t *testing.T) {
 				conn.Close()
 			}()
 
-			track, err := NewTrackH264(96, []byte("123456"), []byte("123456"))
-			require.NoError(t, err)
-
 			conf := ClientConf{
 				StreamProtocol: func() *StreamProtocol {
 					if proto == "udp" {
@@ -127,6 +127,9 @@ func TestClientPublishSerial(t *testing.T) {
 				}(),
 			}
 
+			track, err := NewTrackH264(96, []byte("123456"), []byte("123456"))
+			require.NoError(t, err)
+
 			conn, err := conf.DialPublish("rtsp://localhost:8554/teststream",
 				Tracks{track})
 			require.NoError(t, err)
@@ -244,12 +247,6 @@ func TestClientPublishParallel(t *testing.T) {
 				conn.Close()
 			}()
 
-			track, err := NewTrackH264(96, []byte("123456"), []byte("123456"))
-			require.NoError(t, err)
-
-			writerDone := make(chan struct{})
-			defer func() { <-writerDone }()
-
 			conf := ClientConf{
 				StreamProtocol: func() *StreamProtocol {
 					if proto == "udp" {
@@ -261,6 +258,12 @@ func TestClientPublishParallel(t *testing.T) {
 				}(),
 			}
 
+			track, err := NewTrackH264(96, []byte("123456"), []byte("123456"))
+			require.NoError(t, err)
+
+			writerDone := make(chan struct{})
+			defer func() { <-writerDone }()
+
 			conn, err := conf.DialPublish("rtsp://localhost:8554/teststream",
 				Tracks{track})
 			require.NoError(t, err)
@@ -406,9 +409,6 @@ func TestClientPublishPauseSerial(t *testing.T) {
 				conn.Close()
 			}()
 
-			track, err := NewTrackH264(96, []byte("123456"), []byte("123456"))
-			require.NoError(t, err)
-
 			conf := ClientConf{
 				StreamProtocol: func() *StreamProtocol {
 					if proto == "udp" {
@@ -420,6 +420,9 @@ func TestClientPublishPauseSerial(t *testing.T) {
 				}(),
 			}
 
+			track, err := NewTrackH264(96, []byte("123456"), []byte("123456"))
+			require.NoError(t, err)
+
 			conn, err := conf.DialPublish("rtsp://localhost:8554/teststream",
 				Tracks{track})
 			require.NoError(t, err)
@@ -547,9 +550,6 @@ func TestClientPublishPauseParallel(t *testing.T) {
 				conn.Close()
 			}()
 
-			track, err := NewTrackH264(96, []byte("123456"), []byte("123456"))
-			require.NoError(t, err)
-
 			conf := ClientConf{
 				StreamProtocol: func() *StreamProtocol {
 					if proto == "udp" {
@@ -561,6 +561,9 @@ func TestClientPublishPauseParallel(t *testing.T) {
 				}(),
 			}
 
+			track, err := NewTrackH264(96, []byte("123456"), []byte("123456"))
+			require.NoError(t, err)
+
 			conn, err := conf.DialPublish("rtsp://localhost:8554/teststream",
 				Tracks{track})
 			require.NoError(t, err)
@@ -591,3 +594,162 @@ func TestClientPublishPauseParallel(t *testing.T) {
 		})
 	}
 }
+
+func TestClientPublishRTCP(t *testing.T) {
+	l, err := net.Listen("tcp", "localhost:8554")
+	require.NoError(t, err)
+	defer l.Close()
+
+	serverDone := make(chan struct{})
+	defer func() { <-serverDone }()
+	go func() {
+		defer close(serverDone)
+
+		conn, err := l.Accept()
+		require.NoError(t, err)
+		bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
+
+		var req base.Request
+		err = req.Read(bconn.Reader)
+		require.NoError(t, err)
+		require.Equal(t, base.Options, req.Method)
+
+		err = base.Response{
+			StatusCode: base.StatusOK,
+			Header: base.Header{
+				"Public": base.HeaderValue{strings.Join([]string{
+					string(base.Announce),
+					string(base.Setup),
+					string(base.Record),
+				}, ", ")},
+			},
+		}.Write(bconn.Writer)
+		require.NoError(t, err)
+
+		err = req.Read(bconn.Reader)
+		require.NoError(t, err)
+		require.Equal(t, base.Announce, req.Method)
+
+		err = base.Response{
+			StatusCode: base.StatusOK,
+		}.Write(bconn.Writer)
+		require.NoError(t, err)
+
+		err = req.Read(bconn.Reader)
+		require.NoError(t, err)
+		require.Equal(t, base.Setup, req.Method)
+
+		var inTH headers.Transport
+		err = inTH.Read(req.Header["Transport"])
+		require.NoError(t, err)
+
+		th := headers.Transport{
+			Delivery: func() *base.StreamDelivery {
+				v := base.StreamDeliveryUnicast
+				return &v
+			}(),
+			Protocol:       StreamProtocolTCP,
+			InterleavedIDs: inTH.InterleavedIDs,
+		}
+
+		err = base.Response{
+			StatusCode: base.StatusOK,
+			Header: base.Header{
+				"Transport": th.Write(),
+			},
+		}.Write(bconn.Writer)
+		require.NoError(t, err)
+
+		err = req.Read(bconn.Reader)
+		require.NoError(t, err)
+		require.Equal(t, base.Record, req.Method)
+
+		err = base.Response{
+			StatusCode: base.StatusOK,
+		}.Write(bconn.Writer)
+		require.NoError(t, err)
+
+		rr := rtcpreceiver.New(nil, 90000)
+
+		var f base.InterleavedFrame
+		f.Payload = make([]byte, 2048)
+		err = f.Read(bconn.Reader)
+		require.NoError(t, err)
+		require.Equal(t, StreamTypeRTP, f.StreamType)
+		rr.ProcessFrame(time.Now(), StreamTypeRTP, f.Payload)
+
+		f.Payload = make([]byte, 2048)
+		err = f.Read(bconn.Reader)
+		require.NoError(t, err)
+		require.Equal(t, StreamTypeRTCP, f.StreamType)
+		pkt, err := rtcp.Unmarshal(f.Payload)
+		require.NoError(t, err)
+		sr, ok := pkt[0].(*rtcp.SenderReport)
+		require.True(t, ok)
+		require.Equal(t, &rtcp.SenderReport{
+			SSRC:        753621,
+			NTPTime:     sr.NTPTime,
+			RTPTime:     sr.RTPTime,
+			PacketCount: 1,
+			OctetCount:  4,
+		}, sr)
+		rr.ProcessFrame(time.Now(), StreamTypeRTCP, f.Payload)
+
+		err = base.InterleavedFrame{
+			TrackID:    0,
+			StreamType: StreamTypeRTCP,
+			Payload:    rr.Report(time.Now()),
+		}.Write(bconn.Writer)
+		require.NoError(t, err)
+
+		f.Payload = make([]byte, 2048)
+		err = f.Read(bconn.Reader)
+		require.NoError(t, err)
+		require.Equal(t, StreamTypeRTP, f.StreamType)
+
+		err = req.Read(bconn.Reader)
+		require.NoError(t, err)
+		require.Equal(t, base.Teardown, req.Method)
+
+		base.Response{
+			StatusCode: base.StatusOK,
+		}.Write(bconn.Writer)
+
+		conn.Close()
+	}()
+
+	conf := ClientConf{
+		StreamProtocol: func() *StreamProtocol {
+			v := StreamProtocolTCP
+			return &v
+		}(),
+		senderReportPeriod: 1 * time.Second,
+	}
+
+	track, err := NewTrackH264(96, []byte("123456"), []byte("123456"))
+	require.NoError(t, err)
+
+	conn, err := conf.DialPublish("rtsp://localhost:8554/teststream",
+		Tracks{track})
+	require.NoError(t, err)
+	defer conn.Close()
+
+	byts, _ := (&rtp.Packet{
+		Header: rtp.Header{
+			Version:        2,
+			Marker:         true,
+			PayloadType:    96,
+			SequenceNumber: 946,
+			Timestamp:      54352,
+			SSRC:           753621,
+		},
+		Payload: []byte("\x01\x02\x03\x04"),
+	}).Marshal()
+	err = conn.WriteFrame(track.ID, StreamTypeRTP, byts)
+	require.NoError(t, err)
+
+	time.Sleep(1300 * time.Millisecond)
+
+	err = conn.WriteFrame(track.ID, StreamTypeRTP, byts)
+	require.NoError(t, err)
+}

clientconnread.go

@@ -87,7 +87,7 @@ func (cc *ClientConn) backgroundPlayUDP() error {
 		}
 	}()
 
-	reportTicker := time.NewTicker(clientConnReceiverReportPeriod)
+	reportTicker := time.NewTicker(cc.conf.receiverReportPeriod)
 	defer reportTicker.Stop()
 
 	keepaliveTicker := time.NewTicker(clientConnUDPKeepalivePeriod)
@@ -206,7 +206,7 @@ func (cc *ClientConn) backgroundPlayTCP() error {
 		}
 	}()
 
-	reportTicker := time.NewTicker(clientConnReceiverReportPeriod)
+	reportTicker := time.NewTicker(cc.conf.receiverReportPeriod)
 	defer reportTicker.Stop()
 
 	// for some reason, SetReadDeadline() must always be called in the same

clientconnread_test.go

@@ -9,10 +9,13 @@ import (
 	"testing"
 	"time"
 
+	"github.com/pion/rtcp"
+	"github.com/pion/rtp"
 	"github.com/stretchr/testify/require"
 
 	"github.com/aler9/gortsplib/pkg/base"
 	"github.com/aler9/gortsplib/pkg/headers"
+	"github.com/aler9/gortsplib/pkg/rtcpsender"
 )
 
 func TestClientRead(t *testing.T) {
@@ -976,3 +979,169 @@ func TestClientReadPause(t *testing.T) {
 		})
 	}
 }
+
+func TestClientReadRTCP(t *testing.T) {
+	l, err := net.Listen("tcp", "localhost:8554")
+	require.NoError(t, err)
+	defer l.Close()
+
+	serverDone := make(chan struct{})
+	defer func() { <-serverDone }()
+	go func() {
+		defer close(serverDone)
+
+		conn, err := l.Accept()
+		require.NoError(t, err)
+		defer conn.Close()
+		bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
+
+		var req base.Request
+		err = req.Read(bconn.Reader)
+		require.NoError(t, err)
+		require.Equal(t, base.Options, req.Method)
+
+		err = base.Response{
+			StatusCode: base.StatusOK,
+			Header: base.Header{
+				"Public": base.HeaderValue{strings.Join([]string{
+					string(base.Describe),
+					string(base.Setup),
+					string(base.Play),
+				}, ", ")},
+			},
+		}.Write(bconn.Writer)
+		require.NoError(t, err)
+
+		err = req.Read(bconn.Reader)
+		require.NoError(t, err)
+		require.Equal(t, base.Describe, req.Method)
+
+		track, err := NewTrackH264(96, []byte("123456"), []byte("123456"))
+		require.NoError(t, err)
+
+		err = base.Response{
+			StatusCode: base.StatusOK,
+			Header: base.Header{
+				"Content-Type": base.HeaderValue{"application/sdp"},
+			},
+			Body: Tracks{track}.Write(),
+		}.Write(bconn.Writer)
+		require.NoError(t, err)
+
+		err = req.Read(bconn.Reader)
+		require.NoError(t, err)
+		require.Equal(t, base.Setup, req.Method)
+
+		var th headers.Transport
+		err = th.Read(req.Header["Transport"])
+		require.NoError(t, err)
+
+		err = base.Response{
+			StatusCode: base.StatusOK,
+			Header: base.Header{
+				"Transport": headers.Transport{
+					Protocol: StreamProtocolTCP,
+					Delivery: func() *base.StreamDelivery {
+						v := base.StreamDeliveryUnicast
+						return &v
+					}(),
+					ClientPorts:    th.ClientPorts,
+					InterleavedIDs: &[2]int{0, 1},
+				}.Write(),
+			},
+		}.Write(bconn.Writer)
+		require.NoError(t, err)
+
+		err = req.Read(bconn.Reader)
+		require.NoError(t, err)
+		require.Equal(t, base.Play, req.Method)
+
+		err = base.Response{
+			StatusCode: base.StatusOK,
+		}.Write(bconn.Writer)
+		require.NoError(t, err)
+
+		rs := rtcpsender.New(90000)
+
+		byts, _ := (&rtp.Packet{
+			Header: rtp.Header{
+				Version:        2,
+				Marker:         true,
+				PayloadType:    96,
+				SequenceNumber: 946,
+				Timestamp:      54352,
+				SSRC:           753621,
+			},
+			Payload: []byte("\x01\x02\x03\x04"),
+		}).Marshal()
+		err = base.InterleavedFrame{
+			TrackID:    0,
+			StreamType: StreamTypeRTP,
+			Payload:    byts,
+		}.Write(bconn.Writer)
+		require.NoError(t, err)
+		rs.ProcessFrame(time.Now(), StreamTypeRTP, byts)
+
+		err = base.InterleavedFrame{
+			TrackID:    0,
+			StreamType: StreamTypeRTCP,
+			Payload:    rs.Report(time.Now()),
+		}.Write(bconn.Writer)
+		require.NoError(t, err)
+
+		var f base.InterleavedFrame
+		f.Payload = make([]byte, 2048)
+		err = f.Read(bconn.Reader)
+		require.NoError(t, err)
+		require.Equal(t, StreamTypeRTCP, f.StreamType)
+		pkt, err := rtcp.Unmarshal(f.Payload)
+		require.NoError(t, err)
+		rr, ok := pkt[0].(*rtcp.ReceiverReport)
+		require.True(t, ok)
+		require.Equal(t, &rtcp.ReceiverReport{
+			SSRC: rr.SSRC,
+			Reports: []rtcp.ReceptionReport{
+				{
+					SSRC:               rr.Reports[0].SSRC,
+					LastSequenceNumber: 946,
+					LastSenderReport:   rr.Reports[0].LastSenderReport,
+					Delay:              rr.Reports[0].Delay,
+				},
+			},
+			ProfileExtensions: []uint8{},
+		}, rr)
+
+		err = base.InterleavedFrame{
+			TrackID:    0,
+			StreamType: StreamTypeRTP,
+			Payload:    byts,
+		}.Write(bconn.Writer)
+		require.NoError(t, err)
+	}()
+
+	conf := ClientConf{
+		StreamProtocol: func() *StreamProtocol {
+			v := StreamProtocolTCP
+			return &v
+		}(),
+		receiverReportPeriod: 1 * time.Second,
+	}
+
+	conn, err := conf.DialRead("rtsp://localhost:8554/teststream")
+	require.NoError(t, err)
+
+	recv := 0
+	recvDone := make(chan struct{})
+	done := conn.ReadFrames(func(id int, typ StreamType, payload []byte) {
+		recv++
+		if recv >= 3 {
+			close(recvDone)
+		}
+	})
+
+	time.Sleep(1300 * time.Millisecond)
+
+	<-recvDone
+	conn.Close()
+	<-done
+}

server.go

@@ -27,10 +27,15 @@ func newServer(conf ServerConf, address string) (*Server, error) {
 	if conf.ReadBufferSize == 0 {
 		conf.ReadBufferSize = 2048
 	}
+
 	if conf.Listen == nil {
 		conf.Listen = net.Listen
 	}
 
+	if conf.receiverReportPeriod == 0 {
+		conf.receiverReportPeriod = 10 * time.Second
+	}
+
 	if conf.TLSConfig != nil && conf.UDPRTPAddress != "" {
 		return nil, fmt.Errorf("TLS can't be used together with UDP")
 	}

serverconf.go

@@ -52,6 +52,8 @@ type ServerConf struct {
 	// function used to initialize the TCP listener.
 	// It defaults to net.Listen
 	Listen func(network string, address string) (net.Listener, error)
+
+	receiverReportPeriod time.Duration
 }
 
 // Serve starts a server on the given address.

serverconn.go

@@ -21,8 +21,7 @@ import (
 const (
 	serverConnReadBufferSize    = 4096
 	serverConnWriteBufferSize   = 4096
-	serverConnCheckStreamInterval    = 5 * time.Second
+	serverConnCheckStreamPeriod = 5 * time.Second
-	serverConnReceiverReportInterval = 10 * time.Second
 )
 
 func stringsReverseIndex(s, substr string) int {
@@ -1180,10 +1179,10 @@ func (sc *ServerConn) WriteFrame(trackID int, streamType StreamType, payload []b
 func (sc *ServerConn) backgroundRecord() {
 	defer close(sc.backgroundRecordDone)
 
-	checkStreamTicker := time.NewTicker(serverConnCheckStreamInterval)
+	checkStreamTicker := time.NewTicker(serverConnCheckStreamPeriod)
 	defer checkStreamTicker.Stop()
 
-	receiverReportTicker := time.NewTicker(serverConnReceiverReportInterval)
+	receiverReportTicker := time.NewTicker(sc.conf.receiverReportPeriod)
 	defer receiverReportTicker.Stop()
 
 	for {

serverconnpublish_test.go

@@ -8,6 +8,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/pion/rtcp"
+	"github.com/pion/rtp"
 	psdp "github.com/pion/sdp/v3"
 	"github.com/stretchr/testify/require"
 
@@ -841,3 +843,174 @@ func TestServerPublishFramesWrongProtocol(t *testing.T) {
 	}.Write(bconn.Writer)
 	require.NoError(t, err)
 }
+
+func TestServerPublishRTCP(t *testing.T) {
+	conf := ServerConf{
+		receiverReportPeriod: 1 * time.Second,
+	}
+
+	s, err := conf.Serve("127.0.0.1:8554")
+	require.NoError(t, err)
+	defer s.Close()
+
+	serverDone := make(chan struct{})
+	defer func() { <-serverDone }()
+	go func() {
+		defer close(serverDone)
+
+		conn, err := s.Accept()
+		require.NoError(t, err)
+		defer conn.Close()
+
+		onAnnounce := func(ctx *ServerConnAnnounceCtx) (*base.Response, error) {
+			return &base.Response{
+				StatusCode: base.StatusOK,
+			}, nil
+		}
+
+		onSetup := func(ctx *ServerConnSetupCtx) (*base.Response, error) {
+			return &base.Response{
+				StatusCode: base.StatusOK,
+			}, nil
+		}
+
+		onRecord := func(ctx *ServerConnRecordCtx) (*base.Response, error) {
+			return &base.Response{
+				StatusCode: base.StatusOK,
+			}, nil
+		}
+
+		onFrame := func(trackID int, typ StreamType, buf []byte) {
+		}
+
+		<-conn.Read(ServerConnReadHandlers{
+			OnAnnounce: onAnnounce,
+			OnSetup:    onSetup,
+			OnRecord:   onRecord,
+			OnFrame:    onFrame,
+		})
+	}()
+
+	conn, err := net.Dial("tcp", "localhost:8554")
+	require.NoError(t, err)
+	defer conn.Close()
+	bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
+
+	track, err := NewTrackH264(96, []byte("123456"), []byte("123456"))
+	require.NoError(t, err)
+
+	tracks := Tracks{track}
+	for i, t := range tracks {
+		t.Media.Attributes = append(t.Media.Attributes, psdp.Attribute{
+			Key:   "control",
+			Value: "trackID=" + strconv.FormatInt(int64(i), 10),
+		})
+	}
+
+	err = base.Request{
+		Method: base.Announce,
+		URL:    base.MustParseURL("rtsp://localhost:8554/teststream"),
+		Header: base.Header{
+			"CSeq":         base.HeaderValue{"1"},
+			"Content-Type": base.HeaderValue{"application/sdp"},
+		},
+		Body: tracks.Write(),
+	}.Write(bconn.Writer)
+	require.NoError(t, err)
+
+	var res base.Response
+	err = res.Read(bconn.Reader)
+	require.NoError(t, err)
+	require.Equal(t, base.StatusOK, res.StatusCode)
+
+	inTH := &headers.Transport{
+		Delivery: func() *base.StreamDelivery {
+			v := base.StreamDeliveryUnicast
+			return &v
+		}(),
+		Mode: func() *headers.TransportMode {
+			v := headers.TransportModeRecord
+			return &v
+		}(),
+		Protocol:       StreamProtocolTCP,
+		InterleavedIDs: &[2]int{0, 1},
+	}
+
+	err = base.Request{
+		Method: base.Setup,
+		URL:    base.MustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
+		Header: base.Header{
+			"CSeq":      base.HeaderValue{"2"},
+			"Transport": inTH.Write(),
+		},
+	}.Write(bconn.Writer)
+	require.NoError(t, err)
+
+	err = res.Read(bconn.Reader)
+	require.NoError(t, err)
+	require.Equal(t, base.StatusOK, res.StatusCode)
+
+	var th headers.Transport
+	err = th.Read(res.Header["Transport"])
+	require.NoError(t, err)
+
+	err = base.Request{
+		Method: base.Record,
+		URL:    base.MustParseURL("rtsp://localhost:8554/teststream"),
+		Header: base.Header{
+			"CSeq": base.HeaderValue{"3"},
+		},
+	}.Write(bconn.Writer)
+	require.NoError(t, err)
+
+	err = res.Read(bconn.Reader)
+	require.NoError(t, err)
+	require.Equal(t, base.StatusOK, res.StatusCode)
+
+	byts, _ := (&rtp.Packet{
+		Header: rtp.Header{
+			Version:        2,
+			Marker:         true,
+			PayloadType:    96,
+			SequenceNumber: 534,
+			Timestamp:      54352,
+			SSRC:           753621,
+		},
+		Payload: []byte("\x01\x02\x03\x04"),
+	}).Marshal()
+	err = base.InterleavedFrame{
+		TrackID:    0,
+		StreamType: StreamTypeRTP,
+		Payload:    byts,
+	}.Write(bconn.Writer)
+	require.NoError(t, err)
+
+	var f base.InterleavedFrame
+	f.Payload = make([]byte, 2048)
+	f.Read(bconn.Reader)
+	require.NoError(t, err)
+	require.Equal(t, StreamTypeRTCP, f.StreamType)
+	pkt, err := rtcp.Unmarshal(f.Payload)
+	require.NoError(t, err)
+	rr, ok := pkt[0].(*rtcp.ReceiverReport)
+	require.True(t, ok)
+	require.Equal(t, &rtcp.ReceiverReport{
+		SSRC: rr.SSRC,
+		Reports: []rtcp.ReceptionReport{
+			{
+				SSRC:               rr.Reports[0].SSRC,
+				LastSequenceNumber: 534,
+				LastSenderReport:   rr.Reports[0].LastSenderReport,
+				Delay:              rr.Reports[0].Delay,
+			},
+		},
+		ProfileExtensions: []uint8{},
+	}, rr)
+
+	err = base.InterleavedFrame{
+		TrackID:    0,
+		StreamType: StreamTypeRTP,
+		Payload:    byts,
+	}.Write(bconn.Writer)
+	require.NoError(t, err)
+}