diff --git a/client.go b/client.go
index 8d8a6eda..79b3fd35 100644
--- a/client.go
+++ b/client.go
@@ -21,6 +21,9 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/pion/rtcp"
+	"github.com/pion/rtp"
+
 	"github.com/aler9/gortsplib/pkg/auth"
 	"github.com/aler9/gortsplib/pkg/base"
 	"github.com/aler9/gortsplib/pkg/headers"
@@ -132,9 +135,9 @@ type Client struct {
 	// called after every response.
 	OnResponse func(*base.Response)
 	// called when a RTP packet arrives.
-	OnPacketRTP func(int, []byte)
+	OnPacketRTP func(int, *rtp.Packet)
 	// called when a RTCP packet arrives.
-	OnPacketRTCP func(int, []byte)
+	OnPacketRTCP func(int, rtcp.Packet)
 
 	//
 	// RTSP parameters
@@ -249,11 +252,11 @@ type Client struct {
 func (c *Client) Start(scheme string, host string) error {
 	// callbacks
 	if c.OnPacketRTP == nil {
-		c.OnPacketRTP = func(trackID int, payload []byte) {
+		c.OnPacketRTP = func(trackID int, pkt *rtp.Packet) {
 		}
 	}
 	if c.OnPacketRTCP == nil {
-		c.OnPacketRTCP = func(trackID int, payload []byte) {
+		c.OnPacketRTCP = func(trackID int, pkt rtcp.Packet) {
 		}
 	}
 
@@ -757,17 +760,37 @@ func (c *Client) runReader() {
 					atomic.StoreInt64(c.tcpLastFrameTime, now.Unix())
 
 					if isRTP {
-						c.tracks[trackID].rtcpReceiver.ProcessPacketRTP(now, payload)
-						c.OnPacketRTP(trackID, payload)
+						var pkt rtp.Packet
+						err := pkt.Unmarshal(payload)
+						if err != nil {
+							return
+						}
+
+						c.tracks[trackID].rtcpReceiver.ProcessPacketRTP(now, &pkt)
+						c.OnPacketRTP(trackID, &pkt)
 					} else {
-						c.tracks[trackID].rtcpReceiver.ProcessPacketRTCP(now, payload)
-						c.OnPacketRTCP(trackID, payload)
+						packets, err := rtcp.Unmarshal(payload)
+						if err != nil {
+							return
+						}
+
+						for _, pkt := range packets {
+							c.tracks[trackID].rtcpReceiver.ProcessPacketRTCP(now, pkt)
+							c.OnPacketRTCP(trackID, pkt)
+						}
 					}
 				}
 			} else {
 				processFunc = func(trackID int, isRTP bool, payload []byte) {
 					if !isRTP {
-						c.OnPacketRTCP(trackID, payload)
+						packets, err := rtcp.Unmarshal(payload)
+						if err != nil {
+							return
+						}
+
+						for _, pkt := range packets {
+							c.OnPacketRTCP(trackID, pkt)
+						}
 					}
 				}
 			}
@@ -1585,11 +1608,13 @@ func (c *Client) doPlay(ra *headers.Range, isSwitchingProtocol bool) (*base.Resp
 
 		// open the firewall by sending packets to the counterpart.
 		for _, cct := range c.tracks {
-			cct.udpRTPListener.write(
-				[]byte{0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})
+			byts, _ := (&rtp.Packet{
+				Header: rtp.Header{Version: 2},
+			}).Marshal()
+			cct.udpRTPListener.write(byts)
 
-			cct.udpRTCPListener.write(
-				[]byte{0x80, 0xc9, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00})
+			byts, _ = (&rtcp.ReceiverReport{}).Marshal()
+			cct.udpRTCPListener.write(byts)
 		}
 	}
 
@@ -1806,10 +1831,6 @@ func (c *Client) runWriter() {
 	case TransportUDP, TransportUDPMulticast:
 		writeFunc = func(trackID int, isRTP bool, payload []byte) {
 			if isRTP {
-				if c.tracks[trackID].rtcpSender != nil {
-					c.tracks[trackID].rtcpSender.ProcessPacketRTP(time.Now(), payload)
-				}
-
 				c.tracks[trackID].udpRTPListener.write(payload)
 			} else {
 				c.tracks[trackID].udpRTCPListener.write(payload)
@@ -1821,10 +1842,6 @@ func (c *Client) runWriter() {
 
 		writeFunc = func(trackID int, isRTP bool, payload []byte) {
 			if isRTP {
-				if c.tracks[trackID].rtcpSender != nil {
-					c.tracks[trackID].rtcpSender.ProcessPacketRTP(time.Now(), payload)
-				}
-
 				f := c.tracks[trackID].tcpRTPFrame
 				f.Payload = payload
 				f.Write(&buf)
@@ -1854,7 +1871,7 @@ func (c *Client) runWriter() {
 }
 
 // WritePacketRTP writes a RTP packet.
-func (c *Client) WritePacketRTP(trackID int, payload []byte) error {
+func (c *Client) WritePacketRTP(trackID int, pkt *rtp.Packet) error {
 	c.writeMutex.RLock()
 	defer c.writeMutex.RUnlock()
 
@@ -1867,16 +1884,25 @@ func (c *Client) WritePacketRTP(trackID int, payload []byte) error {
 		}
 	}
 
+	byts, err := pkt.Marshal()
+	if err != nil {
+		return err
+	}
+
+	if c.tracks[trackID].rtcpSender != nil {
+		c.tracks[trackID].rtcpSender.ProcessPacketRTP(time.Now(), pkt)
+	}
+
 	c.writeBuffer.Push(trackTypePayload{
 		trackID: trackID,
 		isRTP:   true,
-		payload: payload,
+		payload: byts,
 	})
 	return nil
 }
 
 // WritePacketRTCP writes a RTCP packet.
-func (c *Client) WritePacketRTCP(trackID int, payload []byte) error {
+func (c *Client) WritePacketRTCP(trackID int, pkt rtcp.Packet) error {
 	c.writeMutex.RLock()
 	defer c.writeMutex.RUnlock()
 
@@ -1889,10 +1915,15 @@ func (c *Client) WritePacketRTCP(trackID int, payload []byte) error {
 		}
 	}
 
+	byts, err := pkt.Marshal()
+	if err != nil {
+		return err
+	}
+
 	c.writeBuffer.Push(trackTypePayload{
 		trackID: trackID,
 		isRTP:   false,
-		payload: payload,
+		payload: byts,
 	})
 	return nil
 }
diff --git a/client_publish_test.go b/client_publish_test.go
index ef0df2f1..469a4ec4 100644
--- a/client_publish_test.go
+++ b/client_publish_test.go
@@ -18,6 +18,39 @@ import (
 	"github.com/aler9/gortsplib/pkg/rtcpreceiver"
 )
 
+var testRTPPacket = rtp.Packet{
+	Header: rtp.Header{
+		Version:     2,
+		PayloadType: 97,
+		CSRC:        []uint32{},
+	},
+	Payload: []byte{0x01, 0x02, 0x03, 0x04},
+}
+
+var testRTPPacketMarshaled = func() []byte {
+	byts, _ := testRTPPacket.Marshal()
+	return byts
+}()
+
+var testRTCPPacket = rtcp.SourceDescription{
+	Chunks: []rtcp.SourceDescriptionChunk{
+		{
+			Source: 1234,
+			Items: []rtcp.SourceDescriptionItem{
+				{
+					Type: rtcp.SDESCNAME,
+					Text: "myname",
+				},
+			},
+		},
+	},
+}
+
+var testRTCPPacketMarshaled = func() []byte {
+	byts, _ := testRTCPPacket.Marshal()
+	return byts
+}()
+
 func TestClientPublishSerial(t *testing.T) {
 	for _, transport := range []string{
 		"udp",
@@ -138,31 +171,37 @@ func TestClientPublishSerial(t *testing.T) {
 				_, err = conn.Write(bb.Bytes())
 				require.NoError(t, err)
 
-				// client -> server
+				// client -> server (RTP)
 				if transport == "udp" {
 					buf := make([]byte, 2048)
 					n, _, err := l1.ReadFrom(buf)
 					require.NoError(t, err)
-					require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, buf[:n])
+					var pkt rtp.Packet
+					err = pkt.Unmarshal(buf[:n])
+					require.NoError(t, err)
+					require.Equal(t, testRTPPacket, pkt)
 				} else {
 					var f base.InterleavedFrame
 					f.Payload = make([]byte, 2048)
 					err = f.Read(br)
 					require.NoError(t, err)
 					require.Equal(t, 0, f.Channel)
-					require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, f.Payload)
+					var pkt rtp.Packet
+					err = pkt.Unmarshal(f.Payload)
+					require.NoError(t, err)
+					require.Equal(t, testRTPPacket, pkt)
 				}
 
 				// server -> client (RTCP)
 				if transport == "udp" {
-					l2.WriteTo([]byte{0x05, 0x06, 0x07, 0x08}, &net.UDPAddr{
+					l2.WriteTo(testRTCPPacketMarshaled, &net.UDPAddr{
 						IP:   net.ParseIP("127.0.0.1"),
 						Port: th.ClientPorts[1],
 					})
 				} else {
 					base.InterleavedFrame{
 						Channel: 1,
-						Payload: []byte{0x05, 0x06, 0x07, 0x08},
+						Payload: testRTCPPacketMarshaled,
 					}.Write(&bb)
 					_, err = conn.Write(bb.Bytes())
 					require.NoError(t, err)
@@ -194,9 +233,9 @@ func TestClientPublishSerial(t *testing.T) {
 					v := TransportTCP
 					return &v
 				}(),
-				OnPacketRTCP: func(trackID int, payload []byte) {
+				OnPacketRTCP: func(trackID int, pkt rtcp.Packet) {
 					require.Equal(t, 0, trackID)
-					require.Equal(t, []byte{0x05, 0x06, 0x07, 0x08}, payload)
+					require.Equal(t, &testRTCPPacket, pkt)
 					close(recvDone)
 				},
 			}
@@ -214,16 +253,14 @@ func TestClientPublishSerial(t *testing.T) {
 				c.Wait()
 			}()
 
-			err = c.WritePacketRTP(0,
-				[]byte{0x01, 0x02, 0x03, 0x04})
+			err = c.WritePacketRTP(0, &testRTPPacket)
 			require.NoError(t, err)
 
 			<-recvDone
 			c.Close()
 			<-done
 
-			err = c.WritePacketRTP(0,
-				[]byte{0x01, 0x02, 0x03, 0x04})
+			err = c.WritePacketRTP(0, &testRTPPacket)
 			require.Error(t, err)
 		})
 	}
@@ -376,8 +413,7 @@ func TestClientPublishParallel(t *testing.T) {
 				defer t.Stop()
 
 				for range t.C {
-					err := c.WritePacketRTP(0,
-						[]byte{0x01, 0x02, 0x03, 0x04})
+					err := c.WritePacketRTP(0, &testRTPPacket)
 					if err != nil {
 						return
 					}
@@ -531,8 +567,7 @@ func TestClientPublishPauseSerial(t *testing.T) {
 			require.NoError(t, err)
 			defer c.Close()
 
-			err = c.WritePacketRTP(0,
-				[]byte{0x01, 0x02, 0x03, 0x04})
+			err = c.WritePacketRTP(0, &testRTPPacket)
 			require.NoError(t, err)
 
 			_, err = c.Pause()
@@ -541,8 +576,7 @@ func TestClientPublishPauseSerial(t *testing.T) {
 			_, err = c.Record()
 			require.NoError(t, err)
 
-			err = c.WritePacketRTP(0,
-				[]byte{0x01, 0x02, 0x03, 0x04})
+			err = c.WritePacketRTP(0, &testRTPPacket)
 			require.NoError(t, err)
 		})
 	}
@@ -677,8 +711,7 @@ func TestClientPublishPauseParallel(t *testing.T) {
 				defer t.Stop()
 
 				for range t.C {
-					err := c.WritePacketRTP(0,
-						[]byte{0x01, 0x02, 0x03, 0x04})
+					err := c.WritePacketRTP(0, &testRTPPacket)
 					if err != nil {
 						return
 					}
@@ -794,7 +827,10 @@ func TestClientPublishAutomaticProtocol(t *testing.T) {
 		err = f.Read(br)
 		require.NoError(t, err)
 		require.Equal(t, 0, f.Channel)
-		require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, f.Payload)
+		var pkt rtp.Packet
+		err = pkt.Unmarshal(f.Payload)
+		require.NoError(t, err)
+		require.Equal(t, testRTPPacket, pkt)
 
 		req, err = readRequest(br)
 		require.NoError(t, err)
@@ -817,8 +853,7 @@ func TestClientPublishAutomaticProtocol(t *testing.T) {
 	require.NoError(t, err)
 	defer c.Close()
 
-	err = c.WritePacketRTP(0,
-		[]byte{0x01, 0x02, 0x03, 0x04})
+	err = c.WritePacketRTP(0, &testRTPPacket)
 	require.NoError(t, err)
 }
 
@@ -915,14 +950,17 @@ func TestClientPublishRTCPReport(t *testing.T) {
 		buf := make([]byte, 2048)
 		n, _, err := l1.ReadFrom(buf)
 		require.NoError(t, err)
-		rr.ProcessPacketRTP(time.Now(), buf[:n])
+		var pkt rtp.Packet
+		err = pkt.Unmarshal(buf[:n])
+		require.NoError(t, err)
+		rr.ProcessPacketRTP(time.Now(), &pkt)
 
 		buf = make([]byte, 2048)
 		n, _, err = l2.ReadFrom(buf)
 		require.NoError(t, err)
-		pkt, err := rtcp.Unmarshal(buf[:n])
+		packets, err := rtcp.Unmarshal(buf[:n])
 		require.NoError(t, err)
-		sr, ok := pkt[0].(*rtcp.SenderReport)
+		sr, ok := packets[0].(*rtcp.SenderReport)
 		require.True(t, ok)
 		require.Equal(t, &rtcp.SenderReport{
 			SSRC:        753621,
@@ -931,7 +969,7 @@ func TestClientPublishRTCPReport(t *testing.T) {
 			PacketCount: 1,
 			OctetCount:  4,
 		}, sr)
-		rr.ProcessPacketRTCP(time.Now(), buf[:n])
+		rr.ProcessPacketRTCP(time.Now(), packets[0])
 
 		close(reportReceived)
 
@@ -958,7 +996,7 @@ func TestClientPublishRTCPReport(t *testing.T) {
 	require.NoError(t, err)
 	defer c.Close()
 
-	byts, _ := (&rtp.Packet{
+	err = c.WritePacketRTP(0, &rtp.Packet{
 		Header: rtp.Header{
 			Version:        2,
 			Marker:         true,
@@ -968,8 +1006,7 @@ func TestClientPublishRTCPReport(t *testing.T) {
 			SSRC:           753621,
 		},
 		Payload: []byte{0x01, 0x02, 0x03, 0x04},
-	}).Marshal()
-	err = c.WritePacketRTP(0, byts)
+	})
 	require.NoError(t, err)
 
 	<-reportReceived
@@ -1056,14 +1093,14 @@ func TestClientPublishIgnoreTCPRTPPackets(t *testing.T) {
 
 		base.InterleavedFrame{
 			Channel: 0,
-			Payload: []byte{0x01, 0x02, 0x03, 0x04},
+			Payload: testRTPPacketMarshaled,
 		}.Write(&bb)
 		_, err = conn.Write(bb.Bytes())
 		require.NoError(t, err)
 
 		base.InterleavedFrame{
 			Channel: 1,
-			Payload: []byte{0x05, 0x06, 0x07, 0x08},
+			Payload: testRTCPPacketMarshaled,
 		}.Write(&bb)
 		_, err = conn.Write(bb.Bytes())
 		require.NoError(t, err)
@@ -1086,10 +1123,10 @@ func TestClientPublishIgnoreTCPRTPPackets(t *testing.T) {
 			v := TransportTCP
 			return &v
 		}(),
-		OnPacketRTP: func(trackID int, payload []byte) {
+		OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
 			t.Errorf("should not happen")
 		},
-		OnPacketRTCP: func(trackID int, payload []byte) {
+		OnPacketRTCP: func(trackID int, pkt rtcp.Packet) {
 			close(rtcpReceived)
 		},
 	}
diff --git a/client_read_test.go b/client_read_test.go
index f227b453..047b772f 100644
--- a/client_read_test.go
+++ b/client_read_test.go
@@ -317,18 +317,18 @@ func TestClientRead(t *testing.T) {
 				_, err = conn.Write(bb.Bytes())
 				require.NoError(t, err)
 
-				// server -> client
+				// server -> client (RTP)
 				switch transport {
 				case "udp":
 					time.Sleep(1 * time.Second)
-					l1.WriteTo([]byte{0x01, 0x02, 0x03, 0x04}, &net.UDPAddr{
+					l1.WriteTo(testRTPPacketMarshaled, &net.UDPAddr{
 						IP:   net.ParseIP("127.0.0.1"),
 						Port: th.ClientPorts[0],
 					})
 
 				case "multicast":
 					time.Sleep(1 * time.Second)
-					l1.WriteTo([]byte{0x01, 0x02, 0x03, 0x04}, &net.UDPAddr{
+					l1.WriteTo(testRTPPacketMarshaled, &net.UDPAddr{
 						IP:   net.ParseIP("224.1.0.1"),
 						Port: 25000,
 					})
@@ -336,7 +336,7 @@ func TestClientRead(t *testing.T) {
 				case "tcp", "tls":
 					base.InterleavedFrame{
 						Channel: 0,
-						Payload: []byte{0x01, 0x02, 0x03, 0x04},
+						Payload: testRTPPacketMarshaled,
 					}.Write(&bb)
 					_, err = conn.Write(bb.Bytes())
 					require.NoError(t, err)
@@ -353,7 +353,9 @@ func TestClientRead(t *testing.T) {
 					buf = make([]byte, 2048)
 					n, _, err := l2.ReadFrom(buf)
 					require.NoError(t, err)
-					require.Equal(t, []byte{0x05, 0x06, 0x07, 0x08}, buf[:n])
+					packets, err := rtcp.Unmarshal(buf[:n])
+					require.NoError(t, err)
+					require.Equal(t, &testRTCPPacket, packets[0])
 					close(packetRecv)
 
 				case "tcp", "tls":
@@ -362,7 +364,9 @@ func TestClientRead(t *testing.T) {
 					err := f.Read(br)
 					require.NoError(t, err)
 					require.Equal(t, 1, f.Channel)
-					require.Equal(t, []byte{0x05, 0x06, 0x07, 0x08}, f.Payload)
+					packets, err := rtcp.Unmarshal(f.Payload)
+					require.NoError(t, err)
+					require.Equal(t, &testRTCPPacket, packets[0])
 					close(packetRecv)
 				}
 
@@ -401,7 +405,7 @@ func TestClientRead(t *testing.T) {
 				}(),
 			}
 
-			c.OnPacketRTP = func(trackID int, payload []byte) {
+			c.OnPacketRTP = func(trackID int, pkt *rtp.Packet) {
 				// ignore multicast loopback
 				if transport == "multicast" {
 					counter++
@@ -411,9 +415,9 @@ func TestClientRead(t *testing.T) {
 				}
 
 				require.Equal(t, 0, trackID)
-				require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, payload)
+				require.Equal(t, &testRTPPacket, pkt)
 
-				err := c.WritePacketRTCP(0, []byte{0x05, 0x06, 0x07, 0x08})
+				err := c.WritePacketRTCP(0, &testRTCPPacket)
 				require.NoError(t, err)
 			}
 
@@ -427,7 +431,14 @@ func TestClientRead(t *testing.T) {
 }
 
 func TestClientReadNonStandardFrameSize(t *testing.T) {
-	refPayload := bytes.Repeat([]byte{0x01, 0x02, 0x03, 0x04, 0x05}, 4096/5)
+	refRTPPacket := rtp.Packet{
+		Header: rtp.Header{
+			Version:     2,
+			PayloadType: 96,
+			CSRC:        []uint32{},
+		},
+		Payload: bytes.Repeat([]byte{0x01, 0x02, 0x03, 0x04, 0x05}, 4096/5),
+	}
 
 	l, err := net.Listen("tcp", "localhost:8554")
 	require.NoError(t, err)
@@ -519,9 +530,10 @@ func TestClientReadNonStandardFrameSize(t *testing.T) {
 		_, err = conn.Write(bb.Bytes())
 		require.NoError(t, err)
 
+		byts, _ := refRTPPacket.Marshal()
 		base.InterleavedFrame{
 			Channel: 0,
-			Payload: refPayload,
+			Payload: byts,
 		}.Write(&bb)
 		_, err = conn.Write(bb.Bytes())
 		require.NoError(t, err)
@@ -530,14 +542,14 @@ func TestClientReadNonStandardFrameSize(t *testing.T) {
 	packetRecv := make(chan struct{})
 
 	c := &Client{
-		ReadBufferSize: 4500,
+		ReadBufferSize: 4500 + 4,
 		Transport: func() *Transport {
 			v := TransportTCP
 			return &v
 		}(),
-		OnPacketRTP: func(trackID int, payload []byte) {
+		OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
 			require.Equal(t, 0, trackID)
-			require.Equal(t, refPayload, payload)
+			require.Equal(t, &refRTPPacket, pkt)
 			close(packetRecv)
 		},
 	}
@@ -632,7 +644,7 @@ func TestClientReadPartial(t *testing.T) {
 
 		base.InterleavedFrame{
 			Channel: 0,
-			Payload: []byte{0x01, 0x02, 0x03, 0x04},
+			Payload: testRTPPacketMarshaled,
 		}.Write(&bb)
 		_, err = conn.Write(bb.Bytes())
 		require.NoError(t, err)
@@ -656,9 +668,9 @@ func TestClientReadPartial(t *testing.T) {
 			v := TransportTCP
 			return &v
 		}(),
-		OnPacketRTP: func(trackID int, payload []byte) {
+		OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
 			require.Equal(t, 0, trackID)
-			require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, payload)
+			require.Equal(t, &testRTPPacket, pkt)
 			close(packetRecv)
 		},
 	}
@@ -916,11 +928,12 @@ func TestClientReadAnyPort(t *testing.T) {
 
 				time.Sleep(500 * time.Millisecond)
 
-				l1a.WriteTo([]byte{0x01, 0x02, 0x03, 0x04}, &net.UDPAddr{
+				l1a.WriteTo(testRTPPacketMarshaled, &net.UDPAddr{
 					IP:   net.ParseIP("127.0.0.1"),
 					Port: th.ClientPorts[0],
 				})
 
+				// read RTCP
 				if ca == "random" {
 					// skip firewall opening
 					buf := make([]byte, 2048)
@@ -930,7 +943,9 @@ func TestClientReadAnyPort(t *testing.T) {
 					buf = make([]byte, 2048)
 					n, _, err := l1b.ReadFrom(buf)
 					require.NoError(t, err)
-					require.Equal(t, buf[:n], []byte{0x05, 0x06, 0x07, 0x08})
+					packets, err := rtcp.Unmarshal(buf[:n])
+					require.NoError(t, err)
+					require.Equal(t, &testRTCPPacket, packets[0])
 					close(serverRecv)
 				}
 			}()
@@ -939,8 +954,8 @@ func TestClientReadAnyPort(t *testing.T) {
 
 			c := &Client{
 				AnyPortEnable: true,
-				OnPacketRTP: func(trackID int, payload []byte) {
-					require.Equal(t, payload, []byte{0x01, 0x02, 0x03, 0x04})
+				OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
+					require.Equal(t, &testRTPPacket, pkt)
 					close(packetRecv)
 				},
 			}
@@ -952,7 +967,7 @@ func TestClientReadAnyPort(t *testing.T) {
 			<-packetRecv
 
 			if ca == "random" {
-				c.WritePacketRTCP(0, []byte{0x05, 0x06, 0x07, 0x08})
+				c.WritePacketRTCP(0, &testRTCPPacket)
 				<-serverRecv
 			}
 		})
@@ -1061,7 +1076,7 @@ func TestClientReadAutomaticProtocol(t *testing.T) {
 
 			base.InterleavedFrame{
 				Channel: 0,
-				Payload: []byte("\x00\x00\x00\x00"),
+				Payload: testRTPPacketMarshaled,
 			}.Write(&bb)
 			_, err = conn.Write(bb.Bytes())
 			require.NoError(t, err)
@@ -1070,7 +1085,7 @@ func TestClientReadAutomaticProtocol(t *testing.T) {
 		packetRecv := make(chan struct{})
 
 		c := Client{
-			OnPacketRTP: func(trackID int, payload []byte) {
+			OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
 				close(packetRecv)
 			},
 		}
@@ -1279,7 +1294,7 @@ func TestClientReadAutomaticProtocol(t *testing.T) {
 
 			base.InterleavedFrame{
 				Channel: 0,
-				Payload: []byte("\x00\x00\x00\x00"),
+				Payload: testRTPPacketMarshaled,
 			}.Write(&bb)
 			_, err = conn.Write(bb.Bytes())
 			require.NoError(t, err)
@@ -1301,7 +1316,7 @@ func TestClientReadAutomaticProtocol(t *testing.T) {
 
 		c := &Client{
 			ReadTimeout: 1 * time.Second,
-			OnPacketRTP: func(trackID int, payload []byte) {
+			OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
 				close(packetRecv)
 			},
 		}
@@ -1409,7 +1424,7 @@ func TestClientReadDifferentInterleavedIDs(t *testing.T) {
 
 		base.InterleavedFrame{
 			Channel: 2,
-			Payload: []byte{0x01, 0x02, 0x03, 0x04},
+			Payload: testRTPPacketMarshaled,
 		}.Write(&bb)
 		_, err = conn.Write(bb.Bytes())
 		require.NoError(t, err)
@@ -1433,7 +1448,7 @@ func TestClientReadDifferentInterleavedIDs(t *testing.T) {
 			v := TransportTCP
 			return &v
 		}(),
-		OnPacketRTP: func(trackID int, payload []byte) {
+		OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
 			require.Equal(t, 0, trackID)
 			close(packetRecv)
 		},
@@ -1577,7 +1592,7 @@ func TestClientReadRedirect(t *testing.T) {
 		require.NoError(t, err)
 		defer l1.Close()
 
-		l1.WriteTo([]byte("\x00\x00\x00\x00"), &net.UDPAddr{
+		l1.WriteTo(testRTPPacketMarshaled, &net.UDPAddr{
 			IP:   net.ParseIP("127.0.0.1"),
 			Port: th.ClientPorts[0],
 		})
@@ -1586,7 +1601,7 @@ func TestClientReadRedirect(t *testing.T) {
 	packetRecv := make(chan struct{})
 
 	c := Client{
-		OnPacketRTP: func(trackID int, payload []byte) {
+		OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
 			close(packetRecv)
 		},
 	}
@@ -1622,14 +1637,14 @@ func TestClientReadPause(t *testing.T) {
 				select {
 				case <-t.C:
 					if inTH.Protocol == headers.TransportProtocolUDP {
-						l1.WriteTo([]byte("\x00\x00\x00\x00"), &net.UDPAddr{
+						l1.WriteTo(testRTPPacketMarshaled, &net.UDPAddr{
 							IP:   net.ParseIP("127.0.0.1"),
 							Port: inTH.ClientPorts[0],
 						})
 					} else {
 						base.InterleavedFrame{
 							Channel: 0,
-							Payload: []byte("\x00\x00\x00\x00"),
+							Payload: testRTPPacketMarshaled,
 						}.Write(&bb)
 						conn.Write(bb.Bytes())
 					}
@@ -1797,7 +1812,7 @@ func TestClientReadPause(t *testing.T) {
 					v := TransportTCP
 					return &v
 				}(),
-				OnPacketRTP: func(trackID int, payload []byte) {
+				OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
 					if atomic.SwapInt32(&firstFrame, 1) == 0 {
 						close(packetRecv)
 					}
@@ -1930,7 +1945,7 @@ func TestClientReadRTCPReport(t *testing.T) {
 
 		rs := rtcpsender.New(90000)
 
-		byts, _ := (&rtp.Packet{
+		pkt := rtp.Packet{
 			Header: rtp.Header{
 				Version:        2,
 				Marker:         true,
@@ -1940,15 +1955,18 @@ func TestClientReadRTCPReport(t *testing.T) {
 				SSRC:           753621,
 			},
 			Payload: []byte{0x01, 0x02, 0x03, 0x04},
-		}).Marshal()
+		}
+		byts, _ := pkt.Marshal()
 		_, err = l1.WriteTo(byts, &net.UDPAddr{
 			IP:   net.ParseIP("127.0.0.1"),
 			Port: inTH.ClientPorts[0],
 		})
 		require.NoError(t, err)
-		rs.ProcessPacketRTP(time.Now(), byts)
+		rs.ProcessPacketRTP(time.Now(), &pkt)
 
-		_, err = l2.WriteTo(rs.Report(time.Now()), &net.UDPAddr{
+		sr := rs.Report(time.Now())
+		byts, _ = sr.Marshal()
+		_, err = l2.WriteTo(byts, &net.UDPAddr{
 			IP:   net.ParseIP("127.0.0.1"),
 			Port: inTH.ClientPorts[1],
 		})
@@ -1957,9 +1975,9 @@ func TestClientReadRTCPReport(t *testing.T) {
 		buf = make([]byte, 2048)
 		n, _, err := l2.ReadFrom(buf)
 		require.NoError(t, err)
-		pkt, err := rtcp.Unmarshal(buf[:n])
+		packets, err := rtcp.Unmarshal(buf[:n])
 		require.NoError(t, err)
-		rr, ok := pkt[0].(*rtcp.ReceiverReport)
+		rr, ok := packets[0].(*rtcp.ReceiverReport)
 		require.True(t, ok)
 		require.Equal(t, &rtcp.ReceiverReport{
 			SSRC: rr.SSRC,
@@ -2109,7 +2127,7 @@ func TestClientReadErrorTimeout(t *testing.T) {
 
 				if transport == "udp" || transport == "auto" {
 					// write a packet to skip the protocol autodetection feature
-					l1.WriteTo([]byte("\x01\x02\x03\x04"), &net.UDPAddr{
+					l1.WriteTo(testRTPPacketMarshaled, &net.UDPAddr{
 						IP:   net.ParseIP("127.0.0.1"),
 						Port: th.ClientPorts[0],
 					})
@@ -2251,14 +2269,14 @@ func TestClientReadIgnoreTCPInvalidTrack(t *testing.T) {
 
 		base.InterleavedFrame{
 			Channel: 6,
-			Payload: []byte{0x01, 0x02, 0x03, 0x04},
+			Payload: testRTPPacketMarshaled,
 		}.Write(&bb)
 		_, err = conn.Write(bb.Bytes())
 		require.NoError(t, err)
 
 		base.InterleavedFrame{
 			Channel: 0,
-			Payload: []byte{0x05, 0x06, 0x07, 0x08},
+			Payload: testRTPPacketMarshaled,
 		}.Write(&bb)
 		_, err = conn.Write(bb.Bytes())
 		require.NoError(t, err)
@@ -2281,7 +2299,7 @@ func TestClientReadIgnoreTCPInvalidTrack(t *testing.T) {
 			v := TransportTCP
 			return &v
 		}(),
-		OnPacketRTP: func(trackID int, payload []byte) {
+		OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
 			close(recv)
 		},
 	}
diff --git a/clientudpl.go b/clientudpl.go
index 11e7ff9c..448e9f57 100644
--- a/clientudpl.go
+++ b/clientudpl.go
@@ -7,6 +7,8 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/pion/rtcp"
+	"github.com/pion/rtp"
 	"golang.org/x/net/ipv4"
 
 	"github.com/aler9/gortsplib/pkg/multibuffer"
@@ -35,6 +37,7 @@ type clientUDPListener struct {
 	readBuffer      *multibuffer.MultiBuffer
 	lastPacketTime  *int64
 	processFunc     func(time.Time, []byte)
+	rtpPkt          rtp.Packet
 
 	readerDone chan struct{}
 }
@@ -136,7 +139,7 @@ func (l *clientUDPListener) start(forPlay bool) {
 			l.processFunc = l.processPlayRTCP
 		}
 	} else {
-		l.processFunc = l.processRecord
+		l.processFunc = l.processRecordRTCP
 	}
 
 	l.running = true
@@ -174,24 +177,43 @@ func (l *clientUDPListener) runReader() {
 }
 
 func (l *clientUDPListener) processPlayRTP(now time.Time, payload []byte) {
-	l.c.tracks[l.trackID].rtcpReceiver.ProcessPacketRTP(now, payload)
-	l.c.OnPacketRTP(l.trackID, payload)
+	err := l.rtpPkt.Unmarshal(payload)
+	if err != nil {
+		return
+	}
+
+	l.c.tracks[l.trackID].rtcpReceiver.ProcessPacketRTP(now, &l.rtpPkt)
+	l.c.OnPacketRTP(l.trackID, &l.rtpPkt)
 }
 
 func (l *clientUDPListener) processPlayRTCP(now time.Time, payload []byte) {
-	l.c.tracks[l.trackID].rtcpReceiver.ProcessPacketRTCP(now, payload)
-	l.c.OnPacketRTCP(l.trackID, payload)
+	packets, err := rtcp.Unmarshal(payload)
+	if err != nil {
+		return
+	}
+
+	for _, pkt := range packets {
+		l.c.tracks[l.trackID].rtcpReceiver.ProcessPacketRTCP(now, pkt)
+		l.c.OnPacketRTCP(l.trackID, pkt)
+	}
 }
 
-func (l *clientUDPListener) processRecord(now time.Time, payload []byte) {
-	l.c.OnPacketRTCP(l.trackID, payload)
+func (l *clientUDPListener) processRecordRTCP(now time.Time, payload []byte) {
+	packets, err := rtcp.Unmarshal(payload)
+	if err != nil {
+		return
+	}
+
+	for _, pkt := range packets {
+		l.c.OnPacketRTCP(l.trackID, pkt)
+	}
 }
 
-func (l *clientUDPListener) write(buf []byte) error {
+func (l *clientUDPListener) write(payload []byte) error {
 	// no mutex is needed here since Write() has an internal lock.
 	// https://github.com/golang/go/issues/27203#issuecomment-534386117
 
 	l.pc.SetWriteDeadline(time.Now().Add(l.c.WriteTimeout))
-	_, err := l.pc.WriteTo(buf, l.remoteWriteAddr)
+	_, err := l.pc.WriteTo(payload, l.remoteWriteAddr)
 	return err
 }
diff --git a/examples/client-publish-aac/main.go b/examples/client-publish-aac/main.go
index 60713d02..8b3459fa 100644
--- a/examples/client-publish-aac/main.go
+++ b/examples/client-publish-aac/main.go
@@ -5,6 +5,7 @@ import (
 	"net"
 
 	"github.com/aler9/gortsplib"
+	"github.com/pion/rtp"
 )
 
 // This example shows how to
@@ -50,6 +51,7 @@ func main() {
 	defer c.Close()
 
 	buf = make([]byte, 2048)
+	var pkt rtp.Packet
 	for {
 		// read packets from the source
 		n, _, err := pc.ReadFrom(buf)
@@ -57,8 +59,14 @@ func main() {
 			panic(err)
 		}
 
+		// marshal RTP packets
+		err = pkt.Unmarshal(buf[:n])
+		if err != nil {
+			panic(err)
+		}
+
 		// route RTP packets to the server
-		err = c.WritePacketRTP(0, buf[:n])
+		err = c.WritePacketRTP(0, &pkt)
 		if err != nil {
 			panic(err)
 		}
diff --git a/examples/client-publish-h264/main.go b/examples/client-publish-h264/main.go
index 14d4fda6..4d4fb03a 100644
--- a/examples/client-publish-h264/main.go
+++ b/examples/client-publish-h264/main.go
@@ -6,6 +6,7 @@ import (
 
 	"github.com/aler9/gortsplib"
 	"github.com/aler9/gortsplib/pkg/rtph264"
+	"github.com/pion/rtp"
 )
 
 // This example shows how to
@@ -51,6 +52,7 @@ func main() {
 	defer c.Close()
 
 	buf := make([]byte, 2048)
+	var pkt rtp.Packet
 	for {
 		// read packets from the source
 		n, _, err := pc.ReadFrom(buf)
@@ -58,8 +60,14 @@ func main() {
 			panic(err)
 		}
 
+		// marshal RTP packets
+		err = pkt.Unmarshal(buf[:n])
+		if err != nil {
+			panic(err)
+		}
+
 		// route RTP packets to the server
-		err = c.WritePacketRTP(0, buf[:n])
+		err = c.WritePacketRTP(0, &pkt)
 		if err != nil {
 			panic(err)
 		}
diff --git a/examples/client-publish-options/main.go b/examples/client-publish-options/main.go
index 51ec66bf..7dcaaf15 100644
--- a/examples/client-publish-options/main.go
+++ b/examples/client-publish-options/main.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/aler9/gortsplib"
 	"github.com/aler9/gortsplib/pkg/rtph264"
+	"github.com/pion/rtp"
 )
 
 // This example shows how to
@@ -60,6 +61,7 @@ func main() {
 	defer c.Close()
 
 	buf := make([]byte, 2048)
+	var pkt rtp.Packet
 	for {
 		// read packets from the source
 		n, _, err := pc.ReadFrom(buf)
@@ -67,8 +69,14 @@ func main() {
 			panic(err)
 		}
 
+		// marshal RTP packets
+		err = pkt.Unmarshal(buf[:n])
+		if err != nil {
+			panic(err)
+		}
+
 		// route RTP packets to the server
-		err = c.WritePacketRTP(0, buf[:n])
+		err = c.WritePacketRTP(0, &pkt)
 		if err != nil {
 			panic(err)
 		}
diff --git a/examples/client-publish-opus/main.go b/examples/client-publish-opus/main.go
index bf7000a6..e3c81829 100644
--- a/examples/client-publish-opus/main.go
+++ b/examples/client-publish-opus/main.go
@@ -5,6 +5,7 @@ import (
 	"net"
 
 	"github.com/aler9/gortsplib"
+	"github.com/pion/rtp"
 )
 
 // This example shows how to
@@ -50,6 +51,7 @@ func main() {
 	defer c.Close()
 
 	buf = make([]byte, 2048)
+	var pkt rtp.Packet
 	for {
 		// read packets from the source
 		n, _, err := pc.ReadFrom(buf)
@@ -57,8 +59,14 @@ func main() {
 			panic(err)
 		}
 
+		// marshal RTP packets
+		err = pkt.Unmarshal(buf[:n])
+		if err != nil {
+			panic(err)
+		}
+
 		// route RTP packets to the server
-		err = c.WritePacketRTP(0, buf[:n])
+		err = c.WritePacketRTP(0, &pkt)
 		if err != nil {
 			panic(err)
 		}
diff --git a/examples/client-publish-pause/main.go b/examples/client-publish-pause/main.go
index dab273fd..33962c97 100644
--- a/examples/client-publish-pause/main.go
+++ b/examples/client-publish-pause/main.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/aler9/gortsplib"
 	"github.com/aler9/gortsplib/pkg/rtph264"
+	"github.com/pion/rtp"
 )
 
 // This example shows how to
@@ -55,6 +56,7 @@ func main() {
 	for {
 		go func() {
 			buf := make([]byte, 2048)
+			var pkt rtp.Packet
 			for {
 				// read packets from the source
 				n, _, err := pc.ReadFrom(buf)
@@ -62,8 +64,14 @@ func main() {
 					break
 				}
 
+				// marshal RTP packets
+				err = pkt.Unmarshal(buf[:n])
+				if err != nil {
+					panic(err)
+				}
+
 				// route RTP packets to the server
-				err = c.WritePacketRTP(0, buf[:n])
+				err = c.WritePacketRTP(0, &pkt)
 				if err != nil {
 					break
 				}
diff --git a/examples/client-read-aac/main.go b/examples/client-read-aac/main.go
index 99d79079..73c114df 100644
--- a/examples/client-read-aac/main.go
+++ b/examples/client-read-aac/main.go
@@ -61,20 +61,13 @@ func main() {
 	dec := rtpaac.NewDecoder(clockRate)
 
 	// called when a RTP packet arrives
-	c.OnPacketRTP = func(trackID int, payload []byte) {
+	c.OnPacketRTP = func(trackID int, pkt *rtp.Packet) {
 		if trackID != aacTrack {
 			return
 		}
 
-		// parse RTP packet
-		var pkt rtp.Packet
-		err := pkt.Unmarshal(payload)
-		if err != nil {
-			return
-		}
-
 		// decode AAC AUs from the RTP packet
-		aus, _, err := dec.Decode(&pkt)
+		aus, _, err := dec.Decode(pkt)
 		if err != nil {
 			return
 		}
diff --git a/examples/client-read-h264-convert-to-jpeg/main.go b/examples/client-read-h264-convert-to-jpeg/main.go
index 3036c747..e8d6468d 100644
--- a/examples/client-read-h264-convert-to-jpeg/main.go
+++ b/examples/client-read-h264-convert-to-jpeg/main.go
@@ -99,20 +99,13 @@ func main() {
 
 	// called when a RTP packet arrives
 	saveCount := 0
-	c.OnPacketRTP = func(trackID int, payload []byte) {
+	c.OnPacketRTP = func(trackID int, pkt *rtp.Packet) {
 		if trackID != h264trID {
 			return
 		}
 
-		// parse RTP packet
-		var pkt rtp.Packet
-		err := pkt.Unmarshal(payload)
-		if err != nil {
-			return
-		}
-
 		// decode H264 NALUs from the RTP packet
-		nalus, _, err := rtpDec.Decode(&pkt)
+		nalus, _, err := rtpDec.Decode(pkt)
 		if err != nil {
 			return
 		}
diff --git a/examples/client-read-h264-decode/main.go b/examples/client-read-h264-decode/main.go
index 5288d5a3..de64a681 100644
--- a/examples/client-read-h264-decode/main.go
+++ b/examples/client-read-h264-decode/main.go
@@ -75,20 +75,13 @@ func main() {
 	h264dec.decode(h264tr.PPS())
 
 	// called when a RTP packet arrives
-	c.OnPacketRTP = func(trackID int, payload []byte) {
+	c.OnPacketRTP = func(trackID int, pkt *rtp.Packet) {
 		if trackID != h264trID {
 			return
 		}
 
-		// parse RTP packet
-		var pkt rtp.Packet
-		err := pkt.Unmarshal(payload)
-		if err != nil {
-			return
-		}
-
 		// decode H264 NALUs from the RTP packet
-		nalus, _, err := rtpDec.Decode(&pkt)
+		nalus, _, err := rtpDec.Decode(pkt)
 		if err != nil {
 			return
 		}
diff --git a/examples/client-read-h264-save-to-disk/main.go b/examples/client-read-h264-save-to-disk/main.go
index e4e39c64..bb9443a4 100644
--- a/examples/client-read-h264-save-to-disk/main.go
+++ b/examples/client-read-h264-save-to-disk/main.go
@@ -67,20 +67,13 @@ func main() {
 	}
 
 	// called when a RTP packet arrives
-	c.OnPacketRTP = func(trackID int, payload []byte) {
+	c.OnPacketRTP = func(trackID int, pkt *rtp.Packet) {
 		if trackID != h264Track {
 			return
 		}
 
-		// parse RTP packet
-		var pkt rtp.Packet
-		err := pkt.Unmarshal(payload)
-		if err != nil {
-			return
-		}
-
 		// decode H264 NALUs from the RTP packet
-		nalus, pts, err := dec.DecodeUntilMarker(&pkt)
+		nalus, pts, err := dec.DecodeUntilMarker(pkt)
 		if err != nil {
 			return
 		}
diff --git a/examples/client-read-options/main.go b/examples/client-read-options/main.go
index f8829183..dfb59dde 100644
--- a/examples/client-read-options/main.go
+++ b/examples/client-read-options/main.go
@@ -5,6 +5,8 @@ import (
 	"time"
 
 	"github.com/aler9/gortsplib"
+	"github.com/pion/rtcp"
+	"github.com/pion/rtp"
 )
 
 // This example shows how to
@@ -21,12 +23,12 @@ func main() {
 		// timeout of write operations
 		WriteTimeout: 10 * time.Second,
 		// called when a RTP packet arrives
-		OnPacketRTP: func(trackID int, payload []byte) {
-			log.Printf("RTP packet from track %d, size %d\n", trackID, len(payload))
+		OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
+			log.Printf("RTP packet from track %d, payload type %d\n", trackID, pkt.Header.PayloadType)
 		},
 		// called when a RTCP packet arrives
-		OnPacketRTCP: func(trackID int, payload []byte) {
-			log.Printf("RTCP packet from track %d, size %d\n", trackID, len(payload))
+		OnPacketRTCP: func(trackID int, pkt rtcp.Packet) {
+			log.Printf("RTCP packet from track %d, type %T\n", trackID, pkt)
 		},
 	}
 
diff --git a/examples/client-read-partial/main.go b/examples/client-read-partial/main.go
index a67a39d7..f8d49a2d 100644
--- a/examples/client-read-partial/main.go
+++ b/examples/client-read-partial/main.go
@@ -5,6 +5,8 @@ import (
 
 	"github.com/aler9/gortsplib"
 	"github.com/aler9/gortsplib/pkg/base"
+	"github.com/pion/rtcp"
+	"github.com/pion/rtp"
 )
 
 // This example shows how to
@@ -15,12 +17,12 @@ import (
 func main() {
 	c := gortsplib.Client{
 		// called when a RTP packet arrives
-		OnPacketRTP: func(trackID int, payload []byte) {
-			log.Printf("RTP packet from track %d, size %d\n", trackID, len(payload))
+		OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
+			log.Printf("RTP packet from track %d, payload type %d\n", trackID, pkt.Header.PayloadType)
 		},
 		// called when a RTCP packet arrives
-		OnPacketRTCP: func(trackID int, payload []byte) {
-			log.Printf("RTCP packet from track %d, size %d\n", trackID, len(payload))
+		OnPacketRTCP: func(trackID int, pkt rtcp.Packet) {
+			log.Printf("RTCP packet from track %d, type %T\n", trackID, pkt)
 		},
 	}
 
diff --git a/examples/client-read-pause/main.go b/examples/client-read-pause/main.go
index ea3031fe..29df792c 100644
--- a/examples/client-read-pause/main.go
+++ b/examples/client-read-pause/main.go
@@ -5,6 +5,8 @@ import (
 	"time"
 
 	"github.com/aler9/gortsplib"
+	"github.com/pion/rtcp"
+	"github.com/pion/rtp"
 )
 
 // This example shows how to
@@ -16,12 +18,12 @@ import (
 func main() {
 	c := gortsplib.Client{
 		// called when a RTP packet arrives
-		OnPacketRTP: func(trackID int, payload []byte) {
-			log.Printf("RTP packet from track %d, size %d\n", trackID, len(payload))
+		OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
+			log.Printf("RTP packet from track %d, payload type %d\n", trackID, pkt.Header.PayloadType)
 		},
 		// called when a RTCP packet arrives
-		OnPacketRTCP: func(trackID int, payload []byte) {
-			log.Printf("RTCP packet from track %d, size %d\n", trackID, len(payload))
+		OnPacketRTCP: func(trackID int, pkt rtcp.Packet) {
+			log.Printf("RTCP packet from track %d, type %T\n", trackID, pkt)
 		},
 	}
 
diff --git a/examples/client-read/main.go b/examples/client-read/main.go
index bf35aedc..22f5fda7 100644
--- a/examples/client-read/main.go
+++ b/examples/client-read/main.go
@@ -4,6 +4,8 @@ import (
 	"log"
 
 	"github.com/aler9/gortsplib"
+	"github.com/pion/rtcp"
+	"github.com/pion/rtp"
 )
 
 // This example shows how to
@@ -12,12 +14,12 @@ import (
 func main() {
 	c := gortsplib.Client{
 		// called when a RTP packet arrives
-		OnPacketRTP: func(trackID int, payload []byte) {
-			log.Printf("RTP packet from track %d, size %d\n", trackID, len(payload))
+		OnPacketRTP: func(trackID int, pkt *rtp.Packet) {
+			log.Printf("RTP packet from track %d, payload type %d\n", trackID, pkt.Header.PayloadType)
 		},
 		// called when a RTCP packet arrives
-		OnPacketRTCP: func(trackID int, payload []byte) {
-			log.Printf("RTCP packet from track %d, size %d\n", trackID, len(payload))
+		OnPacketRTCP: func(trackID int, pkt rtcp.Packet) {
+			log.Printf("RTCP packet from track %d, type %T\n", trackID, pkt)
 		},
 	}
 
diff --git a/go.mod b/go.mod
index 01759481..543853cc 100644
--- a/go.mod
+++ b/go.mod
@@ -5,9 +5,9 @@ go 1.15
 require (
 	github.com/asticode/go-astits v1.10.0
 	github.com/icza/bitio v1.0.0
-	github.com/pion/rtcp v1.2.4
-	github.com/pion/rtp v1.6.1
+	github.com/pion/rtcp v1.2.9
+	github.com/pion/rtp v1.7.4
 	github.com/pion/sdp/v3 v3.0.2
-	github.com/stretchr/testify v1.6.1
+	github.com/stretchr/testify v1.7.0
 	golang.org/x/net v0.0.0-20210610132358-84b48f89b13b
 )
diff --git a/go.sum b/go.sum
index cdfc0b4a..cba2811c 100644
--- a/go.sum
+++ b/go.sum
@@ -10,10 +10,10 @@ github.com/icza/mighty v0.0.0-20180919140131-cfd07d671de6 h1:8UsGZ2rr2ksmEru6lTo
 github.com/icza/mighty v0.0.0-20180919140131-cfd07d671de6/go.mod h1:xQig96I1VNBDIWGCdTt54nHt6EeI639SmHycLYL7FkA=
 github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA=
 github.com/pion/randutil v0.1.0/go.mod h1:XcJrSMMbbMRhASFVOlj/5hQial/Y8oH/HVo7TBZq+j8=
-github.com/pion/rtcp v1.2.4 h1:NT3H5LkUGgaEapvp0HGik+a+CpflRF7KTD7H+o7OWIM=
-github.com/pion/rtcp v1.2.4/go.mod h1:52rMNPWFsjr39z9B9MhnkqhPLoeHTv1aN63o/42bWE0=
-github.com/pion/rtp v1.6.1 h1:2Y2elcVBrahYnHKN2X7rMHX/r1R4TEBMP1LaVu/wNhk=
-github.com/pion/rtp v1.6.1/go.mod h1:bDb5n+BFZxXx0Ea7E5qe+klMuqiBrP+w8XSjiWtCUko=
+github.com/pion/rtcp v1.2.9 h1:1ujStwg++IOLIEoOiIQ2s+qBuJ1VN81KW+9pMPsif+U=
+github.com/pion/rtcp v1.2.9/go.mod h1:qVPhiCzAm4D/rxb6XzKeyZiQK69yJpbUDJSF7TgrqNo=
+github.com/pion/rtp v1.7.4 h1:4dMbjb1SuynU5OpA3kz1zHK+u+eOCQjW3MAeVHf1ODA=
+github.com/pion/rtp v1.7.4/go.mod h1:bDb5n+BFZxXx0Ea7E5qe+klMuqiBrP+w8XSjiWtCUko=
 github.com/pion/sdp/v3 v3.0.2 h1:UNnSPVaMM+Pdu/mR9UvAyyo6zkdYbKeuOooCwZvTl/g=
 github.com/pion/sdp/v3 v3.0.2/go.mod h1:bNiSknmJE0HYBprTHXKPQ3+JjacTv5uap92ueJZKsRk=
 github.com/pkg/profile v1.4.0/go.mod h1:NWz/XGvpEW1FyYQ7fCx4dqYBLlfTcE+A9FLAkNKqjFE=
@@ -21,8 +21,9 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 golang.org/x/net v0.0.0-20210610132358-84b48f89b13b h1:k+E048sYJHyVnsr1GDrRZWQ32D2C7lWs9JRc0bel53A=
 golang.org/x/net v0.0.0-20210610132358-84b48f89b13b/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
diff --git a/pkg/rtcpreceiver/rtcpreceiver.go b/pkg/rtcpreceiver/rtcpreceiver.go
index ae5af036..d43c666f 100644
--- a/pkg/rtcpreceiver/rtcpreceiver.go
+++ b/pkg/rtcpreceiver/rtcpreceiver.go
@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/pion/rtcp"
+	"github.com/pion/rtp"
 )
 
 func randUint32() uint32 {
@@ -53,7 +54,7 @@ func New(receiverSSRC *uint32, clockRate int) *RTCPReceiver {
 
 // Report generates a RTCP receiver report.
 // It returns nil if no RTCP sender reports have been passed to ProcessPacketRTCP yet.
-func (rr *RTCPReceiver) Report(ts time.Time) []byte {
+func (rr *RTCPReceiver) Report(ts time.Time) rtcp.Packet {
 	rr.mutex.Lock()
 	defer rr.mutex.Unlock()
 
@@ -85,91 +86,73 @@ func (rr *RTCPReceiver) Report(ts time.Time) []byte {
 	rr.totalLostSinceReport = 0
 	rr.totalSinceReport = 0
 
-	byts, err := report.Marshal()
-	if err != nil {
-		panic(err)
-	}
-
-	return byts
+	return report
 }
 
 // ProcessPacketRTP extracts the needed data from RTP packets.
-func (rr *RTCPReceiver) ProcessPacketRTP(ts time.Time, payload []byte) {
+func (rr *RTCPReceiver) ProcessPacketRTP(ts time.Time, pkt *rtp.Packet) {
 	rr.mutex.Lock()
 	defer rr.mutex.Unlock()
 
-	// do not parse the entire packet, extract only the fields we need
-	if len(payload) >= 8 {
-		sequenceNumber := uint16(payload[2])<<8 | uint16(payload[3])
-		rtpTime := uint32(payload[4])<<24 | uint32(payload[5])<<16 | uint32(payload[6])<<8 | uint32(payload[7])
+	// first packet
+	if !rr.firstRTPReceived {
+		rr.firstRTPReceived = true
+		rr.totalSinceReport = 1
+		rr.lastSequenceNumber = pkt.Header.SequenceNumber
+		rr.lastRTPTimeRTP = pkt.Header.Timestamp
+		rr.lastRTPTimeTime = ts
 
-		// first packet
-		if !rr.firstRTPReceived {
-			rr.firstRTPReceived = true
-			rr.totalSinceReport = 1
-			rr.lastSequenceNumber = sequenceNumber
-			rr.lastRTPTimeRTP = rtpTime
-			rr.lastRTPTimeTime = ts
+		// subsequent packets
+	} else {
+		diff := int32(pkt.Header.SequenceNumber) - int32(rr.lastSequenceNumber)
 
-			// subsequent packets
-		} else {
-			diff := int32(sequenceNumber) - int32(rr.lastSequenceNumber)
-
-			// following packet or following packet after an overflow
-			if diff > 0 || diff < -0x0FFF {
-				// overflow
-				if diff < -0x0FFF {
-					rr.sequenceNumberCycles++
-				}
-
-				// detect lost packets
-				if sequenceNumber != (rr.lastSequenceNumber + 1) {
-					rr.totalLost += uint32(uint16(diff) - 1)
-					rr.totalLostSinceReport += uint32(uint16(diff) - 1)
-
-					// allow up to 24 bits
-					if rr.totalLost > 0xFFFFFF {
-						rr.totalLost = 0xFFFFFF
-					}
-					if rr.totalLostSinceReport > 0xFFFFFF {
-						rr.totalLostSinceReport = 0xFFFFFF
-					}
-				}
-
-				// compute jitter
-				// https://tools.ietf.org/html/rfc3550#page-39
-				D := ts.Sub(rr.lastRTPTimeTime).Seconds()*rr.clockRate -
-					(float64(rtpTime) - float64(rr.lastRTPTimeRTP))
-				if D < 0 {
-					D = -D
-				}
-				rr.jitter += (D - rr.jitter) / 16
-
-				rr.totalSinceReport += uint32(uint16(diff))
-				rr.lastSequenceNumber = sequenceNumber
-				rr.lastRTPTimeRTP = rtpTime
-				rr.lastRTPTimeTime = ts
+		// following packet or following packet after an overflow
+		if diff > 0 || diff < -0x0FFF {
+			// overflow
+			if diff < -0x0FFF {
+				rr.sequenceNumberCycles++
 			}
-			// ignore invalid packets (diff = 0) or reordered packets (diff < 0)
+
+			// detect lost packets
+			if pkt.Header.SequenceNumber != (rr.lastSequenceNumber + 1) {
+				rr.totalLost += uint32(uint16(diff) - 1)
+				rr.totalLostSinceReport += uint32(uint16(diff) - 1)
+
+				// allow up to 24 bits
+				if rr.totalLost > 0xFFFFFF {
+					rr.totalLost = 0xFFFFFF
+				}
+				if rr.totalLostSinceReport > 0xFFFFFF {
+					rr.totalLostSinceReport = 0xFFFFFF
+				}
+			}
+
+			// compute jitter
+			// https://tools.ietf.org/html/rfc3550#page-39
+			D := ts.Sub(rr.lastRTPTimeTime).Seconds()*rr.clockRate -
+				(float64(pkt.Header.Timestamp) - float64(rr.lastRTPTimeRTP))
+			if D < 0 {
+				D = -D
+			}
+			rr.jitter += (D - rr.jitter) / 16
+
+			rr.totalSinceReport += uint32(uint16(diff))
+			rr.lastSequenceNumber = pkt.Header.SequenceNumber
+			rr.lastRTPTimeRTP = pkt.Header.Timestamp
+			rr.lastRTPTimeTime = ts
 		}
+		// ignore invalid packets (diff = 0) or reordered packets (diff < 0)
 	}
 }
 
 // ProcessPacketRTCP extracts the needed data from RTCP packets.
-func (rr *RTCPReceiver) ProcessPacketRTCP(ts time.Time, payload []byte) {
-	rr.mutex.Lock()
-	defer rr.mutex.Unlock()
+func (rr *RTCPReceiver) ProcessPacketRTCP(ts time.Time, pkt rtcp.Packet) {
+	if sr, ok := (pkt).(*rtcp.SenderReport); ok {
+		rr.mutex.Lock()
+		defer rr.mutex.Unlock()
 
-	// we can afford to unmarshal all RTCP packets
-	// since they are sent with a frequency much lower than the one of RTP packets
-	packets, err := rtcp.Unmarshal(payload)
-	if err == nil {
-		for _, packet := range packets {
-			if sr, ok := (packet).(*rtcp.SenderReport); ok {
-				rr.senderSSRC = sr.SSRC
-				rr.lastSenderReport = uint32(sr.NTPTime >> 16)
-				rr.lastSenderReportTime = ts
-			}
-		}
+		rr.senderSSRC = sr.SSRC
+		rr.lastSenderReport = uint32(sr.NTPTime >> 16)
+		rr.lastSenderReportTime = ts
 	}
 }
diff --git a/pkg/rtcpreceiver/rtcpreceiver_test.go b/pkg/rtcpreceiver/rtcpreceiver_test.go
index 36d23b9b..0efc54ed 100644
--- a/pkg/rtcpreceiver/rtcpreceiver_test.go
+++ b/pkg/rtcpreceiver/rtcpreceiver_test.go
@@ -13,7 +13,7 @@ func TestRTCPReceiverBase(t *testing.T) {
 	v := uint32(0x65f83afb)
 	rr := New(&v, 90000)
 
-	require.Equal(t, []byte(nil), rr.Report(time.Now()))
+	require.Equal(t, nil, rr.Report(time.Now()))
 
 	srPkt := rtcp.SenderReport{
 		SSRC:        0xba9da416,
@@ -22,9 +22,8 @@ func TestRTCPReceiverBase(t *testing.T) {
 		PacketCount: 714,
 		OctetCount:  859127,
 	}
-	byts, _ := srPkt.Marshal()
 	ts := time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTCP(ts, byts)
+	rr.ProcessPacketRTCP(ts, &srPkt)
 
 	rtpPkt := rtp.Packet{
 		Header: rtp.Header{
@@ -37,9 +36,8 @@ func TestRTCPReceiverBase(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ = rtpPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTP(ts, byts)
+	rr.ProcessPacketRTP(ts, &rtpPkt)
 
 	rtpPkt = rtp.Packet{
 		Header: rtp.Header{
@@ -52,9 +50,8 @@ func TestRTCPReceiverBase(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ = rtpPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 21, 0, time.UTC)
-	rr.ProcessPacketRTP(ts, byts)
+	rr.ProcessPacketRTP(ts, &rtpPkt)
 
 	expectedPkt := rtcp.ReceiverReport{
 		SSRC: 0x65f83afb,
@@ -67,9 +64,8 @@ func TestRTCPReceiverBase(t *testing.T) {
 			},
 		},
 	}
-	expected, _ := expectedPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 22, 0, time.UTC)
-	require.Equal(t, expected, rr.Report(ts))
+	require.Equal(t, &expectedPkt, rr.Report(ts))
 }
 
 func TestRTCPReceiverOverflow(t *testing.T) {
@@ -83,9 +79,8 @@ func TestRTCPReceiverOverflow(t *testing.T) {
 		PacketCount: 714,
 		OctetCount:  859127,
 	}
-	byts, _ := srPkt.Marshal()
 	ts := time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTCP(ts, byts)
+	rr.ProcessPacketRTCP(ts, &srPkt)
 
 	rtpPkt := rtp.Packet{
 		Header: rtp.Header{
@@ -98,9 +93,8 @@ func TestRTCPReceiverOverflow(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ = rtpPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTP(ts, byts)
+	rr.ProcessPacketRTP(ts, &rtpPkt)
 
 	rtpPkt = rtp.Packet{
 		Header: rtp.Header{
@@ -113,9 +107,8 @@ func TestRTCPReceiverOverflow(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ = rtpPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTP(ts, byts)
+	rr.ProcessPacketRTP(ts, &rtpPkt)
 
 	expectedPkt := rtcp.ReceiverReport{
 		SSRC: 0x65f83afb,
@@ -128,9 +121,8 @@ func TestRTCPReceiverOverflow(t *testing.T) {
 			},
 		},
 	}
-	expected, _ := expectedPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 21, 0, time.UTC)
-	require.Equal(t, expected, rr.Report(ts))
+	require.Equal(t, &expectedPkt, rr.Report(ts))
 }
 
 func TestRTCPReceiverPacketLost(t *testing.T) {
@@ -144,9 +136,8 @@ func TestRTCPReceiverPacketLost(t *testing.T) {
 		PacketCount: 714,
 		OctetCount:  859127,
 	}
-	byts, _ := srPkt.Marshal()
 	ts := time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTCP(ts, byts)
+	rr.ProcessPacketRTCP(ts, &srPkt)
 
 	rtpPkt := rtp.Packet{
 		Header: rtp.Header{
@@ -159,9 +150,8 @@ func TestRTCPReceiverPacketLost(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ = rtpPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTP(ts, byts)
+	rr.ProcessPacketRTP(ts, &rtpPkt)
 
 	rtpPkt = rtp.Packet{
 		Header: rtp.Header{
@@ -174,9 +164,8 @@ func TestRTCPReceiverPacketLost(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ = rtpPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTP(ts, byts)
+	rr.ProcessPacketRTP(ts, &rtpPkt)
 
 	expectedPkt := rtcp.ReceiverReport{
 		SSRC: 0x65f83afb,
@@ -194,9 +183,8 @@ func TestRTCPReceiverPacketLost(t *testing.T) {
 			},
 		},
 	}
-	expected, _ := expectedPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 21, 0, time.UTC)
-	require.Equal(t, expected, rr.Report(ts))
+	require.Equal(t, &expectedPkt, rr.Report(ts))
 }
 
 func TestRTCPReceiverOverflowPacketLost(t *testing.T) {
@@ -210,9 +198,8 @@ func TestRTCPReceiverOverflowPacketLost(t *testing.T) {
 		PacketCount: 714,
 		OctetCount:  859127,
 	}
-	byts, _ := srPkt.Marshal()
 	ts := time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTCP(ts, byts)
+	rr.ProcessPacketRTCP(ts, &srPkt)
 
 	rtpPkt := rtp.Packet{
 		Header: rtp.Header{
@@ -225,9 +212,8 @@ func TestRTCPReceiverOverflowPacketLost(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ = rtpPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTP(ts, byts)
+	rr.ProcessPacketRTP(ts, &rtpPkt)
 
 	rtpPkt = rtp.Packet{
 		Header: rtp.Header{
@@ -240,9 +226,8 @@ func TestRTCPReceiverOverflowPacketLost(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ = rtpPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTP(ts, byts)
+	rr.ProcessPacketRTP(ts, &rtpPkt)
 
 	expectedPkt := rtcp.ReceiverReport{
 		SSRC: 0x65f83afb,
@@ -260,9 +245,8 @@ func TestRTCPReceiverOverflowPacketLost(t *testing.T) {
 			},
 		},
 	}
-	expected, _ := expectedPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 21, 0, time.UTC)
-	require.Equal(t, expected, rr.Report(ts))
+	require.Equal(t, &expectedPkt, rr.Report(ts))
 }
 
 func TestRTCPReceiverReorderedPackets(t *testing.T) {
@@ -276,9 +260,8 @@ func TestRTCPReceiverReorderedPackets(t *testing.T) {
 		PacketCount: 714,
 		OctetCount:  859127,
 	}
-	byts, _ := srPkt.Marshal()
 	ts := time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTCP(ts, byts)
+	rr.ProcessPacketRTCP(ts, &srPkt)
 
 	rtpPkt := rtp.Packet{
 		Header: rtp.Header{
@@ -291,9 +274,8 @@ func TestRTCPReceiverReorderedPackets(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ = rtpPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTP(ts, byts)
+	rr.ProcessPacketRTP(ts, &rtpPkt)
 
 	rtpPkt = rtp.Packet{
 		Header: rtp.Header{
@@ -306,9 +288,8 @@ func TestRTCPReceiverReorderedPackets(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ = rtpPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTP(ts, byts)
+	rr.ProcessPacketRTP(ts, &rtpPkt)
 
 	expectedPkt := rtcp.ReceiverReport{
 		SSRC: 0x65f83afb,
@@ -321,9 +302,8 @@ func TestRTCPReceiverReorderedPackets(t *testing.T) {
 			},
 		},
 	}
-	expected, _ := expectedPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 21, 0, time.UTC)
-	require.Equal(t, expected, rr.Report(ts))
+	require.Equal(t, &expectedPkt, rr.Report(ts))
 }
 
 func TestRTCPReceiverJitter(t *testing.T) {
@@ -337,9 +317,8 @@ func TestRTCPReceiverJitter(t *testing.T) {
 		PacketCount: 714,
 		OctetCount:  859127,
 	}
-	byts, _ := srPkt.Marshal()
 	ts := time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTCP(ts, byts)
+	rr.ProcessPacketRTCP(ts, &srPkt)
 
 	rtpPkt := rtp.Packet{
 		Header: rtp.Header{
@@ -352,9 +331,8 @@ func TestRTCPReceiverJitter(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ = rtpPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rr.ProcessPacketRTP(ts, byts)
+	rr.ProcessPacketRTP(ts, &rtpPkt)
 
 	rtpPkt = rtp.Packet{
 		Header: rtp.Header{
@@ -367,9 +345,8 @@ func TestRTCPReceiverJitter(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ = rtpPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 21, 0, time.UTC)
-	rr.ProcessPacketRTP(ts, byts)
+	rr.ProcessPacketRTP(ts, &rtpPkt)
 
 	expectedPkt := rtcp.ReceiverReport{
 		SSRC: 0x65f83afb,
@@ -383,7 +360,6 @@ func TestRTCPReceiverJitter(t *testing.T) {
 			},
 		},
 	}
-	expected, _ := expectedPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 22, 0, time.UTC)
-	require.Equal(t, expected, rr.Report(ts))
+	require.Equal(t, &expectedPkt, rr.Report(ts))
 }
diff --git a/pkg/rtcpsender/rtcpsender.go b/pkg/rtcpsender/rtcpsender.go
index 8d70dc6a..d1dc97b5 100644
--- a/pkg/rtcpsender/rtcpsender.go
+++ b/pkg/rtcpsender/rtcpsender.go
@@ -32,7 +32,7 @@ func New(clockRate int) *RTCPSender {
 
 // Report generates a RTCP sender report.
 // It returns nil if no packets has been passed to ProcessPacketRTP yet.
-func (rs *RTCPSender) Report(ts time.Time) []byte {
+func (rs *RTCPSender) Report(ts time.Time) rtcp.Packet {
 	rs.mutex.Lock()
 	defer rs.mutex.Unlock()
 
@@ -40,7 +40,7 @@ func (rs *RTCPSender) Report(ts time.Time) []byte {
 		return nil
 	}
 
-	report := &rtcp.SenderReport{
+	return &rtcp.SenderReport{
 		SSRC: rs.senderSSRC,
 		NTPTime: func() uint64 {
 			// seconds since 1st January 1900
@@ -55,33 +55,22 @@ func (rs *RTCPSender) Report(ts time.Time) []byte {
 		PacketCount: rs.packetCount,
 		OctetCount:  rs.octetCount,
 	}
-
-	byts, err := report.Marshal()
-	if err != nil {
-		panic(err)
-	}
-
-	return byts
 }
 
 // ProcessPacketRTP extracts the needed data from RTP packets.
-func (rs *RTCPSender) ProcessPacketRTP(ts time.Time, payload []byte) {
+func (rs *RTCPSender) ProcessPacketRTP(ts time.Time, pkt *rtp.Packet) {
 	rs.mutex.Lock()
 	defer rs.mutex.Unlock()
 
-	pkt := rtp.Packet{}
-	err := pkt.Unmarshal(payload)
-	if err == nil {
-		if !rs.firstRTPReceived {
-			rs.firstRTPReceived = true
-			rs.senderSSRC = pkt.SSRC
-		}
-
-		// always update time to minimize errors
-		rs.lastRTPTimeRTP = pkt.Timestamp
-		rs.lastRTPTimeTime = ts
-
-		rs.packetCount++
-		rs.octetCount += uint32(len(pkt.Payload))
+	if !rs.firstRTPReceived {
+		rs.firstRTPReceived = true
+		rs.senderSSRC = pkt.SSRC
 	}
+
+	// always update time to minimize errors
+	rs.lastRTPTimeRTP = pkt.Timestamp
+	rs.lastRTPTimeTime = ts
+
+	rs.packetCount++
+	rs.octetCount += uint32(len(pkt.Payload))
 }
diff --git a/pkg/rtcpsender/rtcpsender_test.go b/pkg/rtcpsender/rtcpsender_test.go
index 9ac225c2..2394b5e0 100644
--- a/pkg/rtcpsender/rtcpsender_test.go
+++ b/pkg/rtcpsender/rtcpsender_test.go
@@ -12,7 +12,7 @@ import (
 func TestRTCPSender(t *testing.T) {
 	rs := New(90000)
 
-	require.Equal(t, []byte(nil), rs.Report(time.Now()))
+	require.Equal(t, nil, rs.Report(time.Now()))
 
 	rtpPkt := rtp.Packet{
 		Header: rtp.Header{
@@ -25,9 +25,8 @@ func TestRTCPSender(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ := rtpPkt.Marshal()
 	ts := time.Date(2008, 0o5, 20, 22, 15, 20, 0, time.UTC)
-	rs.ProcessPacketRTP(ts, byts)
+	rs.ProcessPacketRTP(ts, &rtpPkt)
 
 	rtpPkt = rtp.Packet{
 		Header: rtp.Header{
@@ -40,9 +39,8 @@ func TestRTCPSender(t *testing.T) {
 		},
 		Payload: []byte("\x00\x00"),
 	}
-	byts, _ = rtpPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 15, 20, 500000000, time.UTC)
-	rs.ProcessPacketRTP(ts, byts)
+	rs.ProcessPacketRTP(ts, &rtpPkt)
 
 	expectedPkt := rtcp.SenderReport{
 		SSRC:        0xba9da416,
@@ -51,7 +49,6 @@ func TestRTCPSender(t *testing.T) {
 		PacketCount: 2,
 		OctetCount:  4,
 	}
-	expected, _ := expectedPkt.Marshal()
 	ts = time.Date(2008, 0o5, 20, 22, 16, 20, 600000000, time.UTC)
-	require.Equal(t, expected, rs.Report(ts))
+	require.Equal(t, &expectedPkt, rs.Report(ts))
 }
diff --git a/server_read_test.go b/server_read_test.go
index a5fb8283..597bc7e8 100644
--- a/server_read_test.go
+++ b/server_read_test.go
@@ -1648,7 +1648,7 @@ func TestServerReadAdditionalInfos(t *testing.T) {
 
 	buf, err := (&rtp.Packet{
 		Header: rtp.Header{
-			Version:        0x80,
+			Version:        2,
 			PayloadType:    96,
 			SequenceNumber: 556,
 			Timestamp:      984512368,
@@ -1684,7 +1684,7 @@ func TestServerReadAdditionalInfos(t *testing.T) {
 
 	buf, err = (&rtp.Packet{
 		Header: rtp.Header{
-			Version:        0x80,
+			Version:        2,
 			PayloadType:    96,
 			SequenceNumber: 87,
 			Timestamp:      756436454,
diff --git a/serversession.go b/serversession.go
index efd99a50..e27aba78 100644
--- a/serversession.go
+++ b/serversession.go
@@ -355,7 +355,8 @@ func (ss *ServerSession) run() {
 				for trackID, track := range ss.announcedTracks {
 					rr := track.rtcpReceiver.Report(now)
 					if rr != nil {
-						ss.WritePacketRTCP(trackID, rr)
+						byts, _ := rr.Marshal()
+						ss.WritePacketRTCP(trackID, byts)
 					}
 				}
 
diff --git a/serverudpl.go b/serverudpl.go
index 53a12d6b..7515f702 100644
--- a/serverudpl.go
+++ b/serverudpl.go
@@ -8,6 +8,8 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/pion/rtcp"
+	"github.com/pion/rtp"
 	"golang.org/x/net/ipv4"
 
 	"github.com/aler9/gortsplib/pkg/multibuffer"
@@ -194,9 +196,15 @@ func (u *serverUDPListener) runReader() {
 }
 
 func (u *serverUDPListener) processRTP(clientData *clientData, payload []byte) {
+	var pkt rtp.Packet
+	err := pkt.Unmarshal(payload)
+	if err != nil {
+		return
+	}
+
 	now := time.Now()
 	atomic.StoreInt64(clientData.ss.udpLastFrameTime, now.Unix())
-	clientData.ss.announcedTracks[clientData.trackID].rtcpReceiver.ProcessPacketRTP(now, payload)
+	clientData.ss.announcedTracks[clientData.trackID].rtcpReceiver.ProcessPacketRTP(now, &pkt)
 
 	if h, ok := u.s.Handler.(ServerHandlerOnPacketRTP); ok {
 		h.OnPacketRTP(&ServerHandlerOnPacketRTPCtx{
@@ -208,10 +216,17 @@ func (u *serverUDPListener) processRTP(clientData *clientData, payload []byte) {
 }
 
 func (u *serverUDPListener) processRTCP(clientData *clientData, payload []byte) {
+	packets, err := rtcp.Unmarshal(payload)
+	if err != nil {
+		return
+	}
+
 	if clientData.isPublishing {
 		now := time.Now()
 		atomic.StoreInt64(clientData.ss.udpLastFrameTime, now.Unix())
-		clientData.ss.announcedTracks[clientData.trackID].rtcpReceiver.ProcessPacketRTCP(now, payload)
+		for _, pkt := range packets {
+			clientData.ss.announcedTracks[clientData.trackID].rtcpReceiver.ProcessPacketRTCP(now, pkt)
+		}
 	}
 
 	if h, ok := u.s.Handler.(ServerHandlerOnPacketRTCP); ok {