diff --git a/client_publish_test.go b/client_publish_test.go
index a259da08..89e052e5 100644
--- a/client_publish_test.go
+++ b/client_publish_test.go
@@ -73,19 +73,19 @@ func TestClientPublishSerial(t *testing.T) {
 				require.NoError(t, err)
 
 				th := headers.Transport{
-					Delivery: func() *base.StreamDelivery {
-						v := base.StreamDeliveryUnicast
+					Delivery: func() *headers.TransportDelivery {
+						v := headers.TransportDeliveryUnicast
 						return &v
 					}(),
 				}
 
 				if transport == "udp" {
-					th.Protocol = base.StreamProtocolUDP
+					th.Protocol = headers.TransportProtocolUDP
 					th.ServerPorts = &[2]int{34556, 34557}
 					th.ClientPorts = inTH.ClientPorts
 
 				} else {
-					th.Protocol = base.StreamProtocolTCP
+					th.Protocol = headers.TransportProtocolTCP
 					th.InterleavedIDs = inTH.InterleavedIDs
 				}
 
@@ -259,19 +259,19 @@ func TestClientPublishParallel(t *testing.T) {
 				require.NoError(t, err)
 
 				th := headers.Transport{
-					Delivery: func() *base.StreamDelivery {
-						v := base.StreamDeliveryUnicast
+					Delivery: func() *headers.TransportDelivery {
+						v := headers.TransportDeliveryUnicast
 						return &v
 					}(),
 				}
 
 				if transport == "udp" {
-					th.Protocol = base.StreamProtocolUDP
+					th.Protocol = headers.TransportProtocolUDP
 					th.ServerPorts = &[2]int{34556, 34557}
 					th.ClientPorts = inTH.ClientPorts
 
 				} else {
-					th.Protocol = base.StreamProtocolTCP
+					th.Protocol = headers.TransportProtocolTCP
 					th.InterleavedIDs = inTH.InterleavedIDs
 				}
 
@@ -399,19 +399,19 @@ func TestClientPublishPauseSerial(t *testing.T) {
 				require.NoError(t, err)
 
 				th := headers.Transport{
-					Delivery: func() *base.StreamDelivery {
-						v := base.StreamDeliveryUnicast
+					Delivery: func() *headers.TransportDelivery {
+						v := headers.TransportDeliveryUnicast
 						return &v
 					}(),
 				}
 
 				if transport == "udp" {
-					th.Protocol = base.StreamProtocolUDP
+					th.Protocol = headers.TransportProtocolUDP
 					th.ServerPorts = &[2]int{34556, 34557}
 					th.ClientPorts = inTH.ClientPorts
 
 				} else {
-					th.Protocol = base.StreamProtocolTCP
+					th.Protocol = headers.TransportProtocolTCP
 					th.InterleavedIDs = inTH.InterleavedIDs
 				}
 
@@ -555,19 +555,19 @@ func TestClientPublishPauseParallel(t *testing.T) {
 				require.NoError(t, err)
 
 				th := headers.Transport{
-					Delivery: func() *base.StreamDelivery {
-						v := base.StreamDeliveryUnicast
+					Delivery: func() *headers.TransportDelivery {
+						v := headers.TransportDeliveryUnicast
 						return &v
 					}(),
 				}
 
 				if transport == "udp" {
-					th.Protocol = base.StreamProtocolUDP
+					th.Protocol = headers.TransportProtocolUDP
 					th.ServerPorts = &[2]int{34556, 34557}
 					th.ClientPorts = inTH.ClientPorts
 
 				} else {
-					th.Protocol = base.StreamProtocolTCP
+					th.Protocol = headers.TransportProtocolTCP
 					th.InterleavedIDs = inTH.InterleavedIDs
 				}
 
@@ -701,14 +701,14 @@ func TestClientPublishAutomaticProtocol(t *testing.T) {
 		var inTH headers.Transport
 		err = inTH.Read(req.Header["Transport"])
 		require.NoError(t, err)
-		require.Equal(t, base.StreamProtocolTCP, inTH.Protocol)
+		require.Equal(t, headers.TransportProtocolTCP, inTH.Protocol)
 
 		th := headers.Transport{
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Delivery: func() *headers.TransportDelivery {
+				v := headers.TransportDeliveryUnicast
 				return &v
 			}(),
-			Protocol:       base.StreamProtocolTCP,
+			Protocol:       headers.TransportProtocolTCP,
 			InterleavedIDs: &[2]int{0, 1},
 		}
 
@@ -809,11 +809,11 @@ func TestClientPublishRTCPReport(t *testing.T) {
 		require.NoError(t, err)
 
 		th := headers.Transport{
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Delivery: func() *headers.TransportDelivery {
+				v := headers.TransportDeliveryUnicast
 				return &v
 			}(),
-			Protocol:       base.StreamProtocolTCP,
+			Protocol:       headers.TransportProtocolTCP,
 			InterleavedIDs: inTH.InterleavedIDs,
 		}
 
diff --git a/client_read_test.go b/client_read_test.go
index 5f8bfc56..abff37fe 100644
--- a/client_read_test.go
+++ b/client_read_test.go
@@ -90,11 +90,11 @@ func TestClientReadTracks(t *testing.T) {
 			require.NoError(t, err)
 
 			th := headers.Transport{
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
-				Protocol:    base.StreamProtocolUDP,
+				Protocol:    headers.TransportProtocolUDP,
 				ClientPorts: inTH.ClientPorts,
 				ServerPorts: &[2]int{34556 + i*2, 34557 + i*2},
 			}
@@ -252,9 +252,9 @@ func TestClientRead(t *testing.T) {
 
 				switch transport {
 				case "udp":
-					v := base.StreamDeliveryUnicast
+					v := headers.TransportDeliveryUnicast
 					th.Delivery = &v
-					th.Protocol = base.StreamProtocolUDP
+					th.Protocol = headers.TransportProtocolUDP
 					th.ClientPorts = inTH.ClientPorts
 					th.ServerPorts = &[2]int{34556, 34557}
 
@@ -267,9 +267,9 @@ func TestClientRead(t *testing.T) {
 					defer l2.Close()
 
 				case "multicast":
-					v := base.StreamDeliveryMulticast
+					v := headers.TransportDeliveryMulticast
 					th.Delivery = &v
-					th.Protocol = base.StreamProtocolUDP
+					th.Protocol = headers.TransportProtocolUDP
 					v2 := net.ParseIP("224.1.0.1")
 					th.Destination = &v2
 					th.Ports = &[2]int{25000, 25001}
@@ -303,9 +303,9 @@ func TestClientRead(t *testing.T) {
 					}
 
 				case "tcp", "tls":
-					v := base.StreamDeliveryUnicast
+					v := headers.TransportDeliveryUnicast
 					th.Delivery = &v
-					th.Protocol = base.StreamProtocolTCP
+					th.Protocol = headers.TransportProtocolTCP
 					th.InterleavedIDs = &[2]int{0, 1}
 				}
 
@@ -492,11 +492,11 @@ func TestClientReadPartial(t *testing.T) {
 		require.Equal(t, &[2]int{0, 1}, inTH.InterleavedIDs)
 
 		th := headers.Transport{
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Delivery: func() *headers.TransportDelivery {
+				v := headers.TransportDeliveryUnicast
 				return &v
 			}(),
-			Protocol:       base.StreamProtocolTCP,
+			Protocol:       headers.TransportProtocolTCP,
 			InterleavedIDs: inTH.InterleavedIDs,
 		}
 
@@ -635,11 +635,11 @@ func TestClientReadNoContentBase(t *testing.T) {
 		require.NoError(t, err)
 
 		th := headers.Transport{
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Delivery: func() *headers.TransportDelivery {
+				v := headers.TransportDeliveryUnicast
 				return &v
 			}(),
-			Protocol:    base.StreamProtocolUDP,
+			Protocol:    headers.TransportProtocolUDP,
 			ClientPorts: inTH.ClientPorts,
 			ServerPorts: &[2]int{34556, 34557},
 		}
@@ -746,9 +746,9 @@ func TestClientReadAnyPort(t *testing.T) {
 					StatusCode: base.StatusOK,
 					Header: base.Header{
 						"Transport": headers.Transport{
-							Protocol: base.StreamProtocolUDP,
-							Delivery: func() *base.StreamDelivery {
-								v := base.StreamDeliveryUnicast
+							Protocol: headers.TransportProtocolUDP,
+							Delivery: func() *headers.TransportDelivery {
+								v := headers.TransportDeliveryUnicast
 								return &v
 							}(),
 							ClientPorts: th.ClientPorts,
@@ -878,15 +878,15 @@ func TestClientReadAutomaticProtocol(t *testing.T) {
 			var inTH headers.Transport
 			err = inTH.Read(req.Header["Transport"])
 			require.NoError(t, err)
-			require.Equal(t, base.StreamProtocolTCP, inTH.Protocol)
+			require.Equal(t, headers.TransportProtocolTCP, inTH.Protocol)
 
 			err = base.Response{
 				StatusCode: base.StatusOK,
 				Header: base.Header{
 					"Transport": headers.Transport{
-						Protocol: base.StreamProtocolTCP,
-						Delivery: func() *base.StreamDelivery {
-							v := base.StreamDeliveryUnicast
+						Protocol: headers.TransportProtocolTCP,
+						Delivery: func() *headers.TransportDelivery {
+							v := headers.TransportDeliveryUnicast
 							return &v
 						}(),
 						InterleavedIDs: &[2]int{0, 1},
@@ -1004,11 +1004,11 @@ func TestClientReadAutomaticProtocol(t *testing.T) {
 			require.NoError(t, err)
 
 			th := headers.Transport{
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
-				Protocol:    base.StreamProtocolUDP,
+				Protocol:    headers.TransportProtocolUDP,
 				ServerPorts: &[2]int{34556, 34557},
 				ClientPorts: inTH.ClientPorts,
 			}
@@ -1072,11 +1072,11 @@ func TestClientReadAutomaticProtocol(t *testing.T) {
 			require.NoError(t, err)
 
 			th = headers.Transport{
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
-				Protocol:       base.StreamProtocolTCP,
+				Protocol:       headers.TransportProtocolTCP,
 				InterleavedIDs: inTH.InterleavedIDs,
 			}
 
@@ -1197,11 +1197,11 @@ func TestClientReadDifferentInterleavedIDs(t *testing.T) {
 		require.NoError(t, err)
 
 		th := headers.Transport{
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Delivery: func() *headers.TransportDelivery {
+				v := headers.TransportDeliveryUnicast
 				return &v
 			}(),
-			Protocol:       base.StreamProtocolTCP,
+			Protocol:       headers.TransportProtocolTCP,
 			InterleavedIDs: &[2]int{2, 3},
 		}
 
@@ -1361,9 +1361,9 @@ func TestClientReadRedirect(t *testing.T) {
 			StatusCode: base.StatusOK,
 			Header: base.Header{
 				"Transport": headers.Transport{
-					Protocol: base.StreamProtocolUDP,
-					Delivery: func() *base.StreamDelivery {
-						v := base.StreamDeliveryUnicast
+					Protocol: headers.TransportProtocolUDP,
+					Delivery: func() *headers.TransportDelivery {
+						v := headers.TransportDeliveryUnicast
 						return &v
 					}(),
 					ClientPorts: th.ClientPorts,
@@ -1420,7 +1420,7 @@ func TestClientReadPause(t *testing.T) {
 			defer close(writerDone)
 
 			var l1 net.PacketConn
-			if inTH.Protocol == base.StreamProtocolUDP {
+			if inTH.Protocol == headers.TransportProtocolUDP {
 				var err error
 				l1, err = net.ListenPacket("udp", "localhost:34556")
 				require.NoError(t, err)
@@ -1433,7 +1433,7 @@ func TestClientReadPause(t *testing.T) {
 			for {
 				select {
 				case <-t.C:
-					if inTH.Protocol == base.StreamProtocolUDP {
+					if inTH.Protocol == headers.TransportProtocolUDP {
 						l1.WriteTo([]byte("\x00\x00\x00\x00"), &net.UDPAddr{
 							IP:   net.ParseIP("127.0.0.1"),
 							Port: inTH.ClientPorts[0],
@@ -1517,19 +1517,19 @@ func TestClientReadPause(t *testing.T) {
 				require.NoError(t, err)
 
 				th := headers.Transport{
-					Delivery: func() *base.StreamDelivery {
-						v := base.StreamDeliveryUnicast
+					Delivery: func() *headers.TransportDelivery {
+						v := headers.TransportDeliveryUnicast
 						return &v
 					}(),
 				}
 
 				if transport == "udp" {
-					th.Protocol = base.StreamProtocolUDP
+					th.Protocol = headers.TransportProtocolUDP
 					th.ServerPorts = &[2]int{34556, 34557}
 					th.ClientPorts = inTH.ClientPorts
 
 				} else {
-					th.Protocol = base.StreamProtocolTCP
+					th.Protocol = headers.TransportProtocolTCP
 					th.InterleavedIDs = inTH.InterleavedIDs
 				}
 
@@ -1706,9 +1706,9 @@ func TestClientReadRTCPReport(t *testing.T) {
 			StatusCode: base.StatusOK,
 			Header: base.Header{
 				"Transport": headers.Transport{
-					Protocol: base.StreamProtocolTCP,
-					Delivery: func() *base.StreamDelivery {
-						v := base.StreamDeliveryUnicast
+					Protocol: headers.TransportProtocolTCP,
+					Delivery: func() *headers.TransportDelivery {
+						v := headers.TransportDeliveryUnicast
 						return &v
 					}(),
 					ClientPorts:    th.ClientPorts,
@@ -1878,8 +1878,8 @@ func TestClientReadErrorTimeout(t *testing.T) {
 				require.NoError(t, err)
 
 				th := headers.Transport{
-					Delivery: func() *base.StreamDelivery {
-						v := base.StreamDeliveryUnicast
+					Delivery: func() *headers.TransportDelivery {
+						v := headers.TransportDeliveryUnicast
 						return &v
 					}(),
 				}
@@ -1891,12 +1891,12 @@ func TestClientReadErrorTimeout(t *testing.T) {
 					require.NoError(t, err)
 					defer l1.Close()
 
-					th.Protocol = base.StreamProtocolUDP
+					th.Protocol = headers.TransportProtocolUDP
 					th.ServerPorts = &[2]int{34556, 34557}
 					th.ClientPorts = inTH.ClientPorts
 
 				} else {
-					th.Protocol = base.StreamProtocolTCP
+					th.Protocol = headers.TransportProtocolTCP
 					th.InterleavedIDs = inTH.InterleavedIDs
 				}
 
@@ -2035,12 +2035,12 @@ func TestClientReadIgnoreTCPInvalidTrack(t *testing.T) {
 		require.NoError(t, err)
 
 		th := headers.Transport{
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Delivery: func() *headers.TransportDelivery {
+				v := headers.TransportDeliveryUnicast
 				return &v
 			}(),
 		}
-		th.Protocol = base.StreamProtocolTCP
+		th.Protocol = headers.TransportProtocolTCP
 		th.InterleavedIDs = inTH.InterleavedIDs
 
 		err = base.Response{
@@ -2165,11 +2165,11 @@ func TestClientReadSeek(t *testing.T) {
 		require.NoError(t, err)
 
 		th := headers.Transport{
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Delivery: func() *headers.TransportDelivery {
+				v := headers.TransportDeliveryUnicast
 				return &v
 			}(),
-			Protocol:       base.StreamProtocolTCP,
+			Protocol:       headers.TransportProtocolTCP,
 			InterleavedIDs: inTH.InterleavedIDs,
 		}
 
diff --git a/clientconn.go b/clientconn.go
index 6c7c0aaa..fc1b5d56 100644
--- a/clientconn.go
+++ b/clientconn.go
@@ -1249,23 +1249,23 @@ func (cc *ClientConn) doSetup(
 			rtpListener, rtcpListener = newClientConnUDPListenerPair(cc)
 		}
 
-		v1 := base.StreamDeliveryUnicast
+		v1 := headers.TransportDeliveryUnicast
 		th.Delivery = &v1
-		th.Protocol = base.StreamProtocolUDP
+		th.Protocol = headers.TransportProtocolUDP
 		th.ClientPorts = &[2]int{
 			rtpListener.port(),
 			rtcpListener.port(),
 		}
 
 	case TransportUDPMulticast:
-		v1 := base.StreamDeliveryMulticast
+		v1 := headers.TransportDeliveryMulticast
 		th.Delivery = &v1
-		th.Protocol = base.StreamProtocolUDP
+		th.Protocol = headers.TransportProtocolUDP
 
 	case TransportTCP:
-		v1 := base.StreamDeliveryUnicast
+		v1 := headers.TransportDeliveryUnicast
 		th.Delivery = &v1
-		th.Protocol = base.StreamProtocolTCP
+		th.Protocol = headers.TransportProtocolTCP
 		th.InterleavedIDs = &[2]int{(trackID * 2), (trackID * 2) + 1}
 	}
 
@@ -1325,7 +1325,7 @@ func (cc *ClientConn) doSetup(
 
 	switch proto {
 	case TransportUDP:
-		if thRes.Delivery != nil && *thRes.Delivery != base.StreamDeliveryUnicast {
+		if thRes.Delivery != nil && *thRes.Delivery != headers.TransportDeliveryUnicast {
 			return nil, liberrors.ErrClientTransportHeaderInvalidDelivery{}
 		}
 
@@ -1338,7 +1338,7 @@ func (cc *ClientConn) doSetup(
 		}
 
 	case TransportUDPMulticast:
-		if thRes.Delivery == nil || *thRes.Delivery != base.StreamDeliveryMulticast {
+		if thRes.Delivery == nil || *thRes.Delivery != headers.TransportDeliveryMulticast {
 			return nil, liberrors.ErrClientTransportHeaderInvalidDelivery{}
 		}
 
@@ -1364,7 +1364,7 @@ func (cc *ClientConn) doSetup(
 		}
 
 	case TransportTCP:
-		if thRes.Delivery != nil && *thRes.Delivery != base.StreamDeliveryUnicast {
+		if thRes.Delivery != nil && *thRes.Delivery != headers.TransportDeliveryUnicast {
 			return nil, liberrors.ErrClientTransportHeaderInvalidDelivery{}
 		}
 
diff --git a/pkg/base/defs.go b/pkg/base/defs.go
deleted file mode 100644
index 64272c67..00000000
--- a/pkg/base/defs.go
+++ /dev/null
@@ -1,73 +0,0 @@
-package base
-
-// StreamProtocol is the protocol of a stream.
-type StreamProtocol int
-
-const (
-	// StreamProtocolUDP means that the stream uses the UDP protocol
-	StreamProtocolUDP StreamProtocol = iota
-
-	// StreamProtocolTCP means that the stream uses the TCP protocol
-	StreamProtocolTCP
-)
-
-var streamProtocolLabels = map[StreamProtocol]string{
-	StreamProtocolUDP: "UDP",
-	StreamProtocolTCP: "TCP",
-}
-
-// String implements fmt.Stringer.
-func (sp StreamProtocol) String() string {
-	if l, ok := streamProtocolLabels[sp]; ok {
-		return l
-	}
-	return "unknown"
-}
-
-// StreamDelivery is the delivery method of a stream.
-type StreamDelivery int
-
-const (
-	// StreamDeliveryUnicast means that the stream is unicasted
-	StreamDeliveryUnicast StreamDelivery = iota
-
-	// StreamDeliveryMulticast means that the stream is multicasted
-	StreamDeliveryMulticast
-)
-
-var streamDeliveryLabels = map[StreamDelivery]string{
-	StreamDeliveryUnicast:   "unicast",
-	StreamDeliveryMulticast: "multicast",
-}
-
-// String implements fmt.Stringer.
-func (sc StreamDelivery) String() string {
-	if l, ok := streamDeliveryLabels[sc]; ok {
-		return l
-	}
-	return "unknown"
-}
-
-// StreamType is the stream type.
-type StreamType int
-
-const (
-	// StreamTypeRTP means that the stream contains RTP packets
-	StreamTypeRTP StreamType = iota
-
-	// StreamTypeRTCP means that the stream contains RTCP packets
-	StreamTypeRTCP
-)
-
-var streamTypeLabels = map[StreamType]string{
-	StreamTypeRTP:  "RTP",
-	StreamTypeRTCP: "RTCP",
-}
-
-// String implements fmt.Stringer
-func (st StreamType) String() string {
-	if l, ok := streamTypeLabels[st]; ok {
-		return l
-	}
-	return "unknown"
-}
diff --git a/pkg/base/defs_test.go b/pkg/base/defs_test.go
deleted file mode 100644
index 18748196..00000000
--- a/pkg/base/defs_test.go
+++ /dev/null
@@ -1,18 +0,0 @@
-package base
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestDefs(t *testing.T) {
-	require.NotEqual(t, "unknown", StreamProtocolUDP.String())
-	require.Equal(t, "unknown", StreamProtocol(4).String())
-
-	require.NotEqual(t, "unknown", StreamDeliveryUnicast.String())
-	require.Equal(t, "unknown", StreamDelivery(4).String())
-
-	require.NotEqual(t, "unknown", StreamTypeRTP.String())
-	require.Equal(t, "unknown", StreamType(4).String())
-}
diff --git a/pkg/base/streamtype.go b/pkg/base/streamtype.go
new file mode 100644
index 00000000..59b5c4a4
--- /dev/null
+++ b/pkg/base/streamtype.go
@@ -0,0 +1,25 @@
+package base
+
+// StreamType is a stream type.
+type StreamType int
+
+const (
+	// StreamTypeRTP means that the stream contains RTP packets
+	StreamTypeRTP StreamType = iota
+
+	// StreamTypeRTCP means that the stream contains RTCP packets
+	StreamTypeRTCP
+)
+
+var streamTypeLabels = map[StreamType]string{
+	StreamTypeRTP:  "RTP",
+	StreamTypeRTCP: "RTCP",
+}
+
+// String implements fmt.Stringer
+func (st StreamType) String() string {
+	if l, ok := streamTypeLabels[st]; ok {
+		return l
+	}
+	return "unknown"
+}
diff --git a/pkg/base/streamtype_test.go b/pkg/base/streamtype_test.go
new file mode 100644
index 00000000..bc7546e2
--- /dev/null
+++ b/pkg/base/streamtype_test.go
@@ -0,0 +1,12 @@
+package base
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestStreamType(t *testing.T) {
+	require.NotEqual(t, "unknown", StreamTypeRTP.String())
+	require.Equal(t, "unknown", StreamType(4).String())
+}
diff --git a/pkg/headers/transport.go b/pkg/headers/transport.go
index a02d7319..1349583a 100644
--- a/pkg/headers/transport.go
+++ b/pkg/headers/transport.go
@@ -11,6 +11,24 @@ import (
 	"github.com/aler9/gortsplib/pkg/base"
 )
 
+// TransportProtocol is a transport protocol.
+type TransportProtocol int
+
+// standard transport protocols.
+const (
+	TransportProtocolUDP TransportProtocol = iota
+	TransportProtocolTCP
+)
+
+// TransportDelivery is a delivery method.
+type TransportDelivery int
+
+// standard transport delivery methods.
+const (
+	TransportDeliveryUnicast TransportDelivery = iota
+	TransportDeliveryMulticast
+)
+
 // TransportMode is a transport mode.
 type TransportMode int
 
@@ -25,10 +43,10 @@ const (
 // Transport is a Transport header.
 type Transport struct {
 	// protocol of the stream
-	Protocol base.StreamProtocol
+	Protocol TransportProtocol
 
 	// (optional) delivery method of the stream
-	Delivery *base.StreamDelivery
+	Delivery *TransportDelivery
 
 	// (optional) destination IP
 	Destination *net.IP
@@ -107,19 +125,19 @@ func (h *Transport) Read(v base.HeaderValue) error {
 
 		switch k {
 		case "RTP/AVP", "RTP/AVP/UDP":
-			h.Protocol = base.StreamProtocolUDP
+			h.Protocol = TransportProtocolUDP
 			protocolFound = true
 
 		case "RTP/AVP/TCP":
-			h.Protocol = base.StreamProtocolTCP
+			h.Protocol = TransportProtocolTCP
 			protocolFound = true
 
 		case "unicast":
-			v := base.StreamDeliveryUnicast
+			v := TransportDeliveryUnicast
 			h.Delivery = &v
 
 		case "multicast":
-			v := base.StreamDeliveryMulticast
+			v := TransportDeliveryMulticast
 			h.Delivery = &v
 
 		case "destination":
@@ -221,14 +239,14 @@ func (h *Transport) Read(v base.HeaderValue) error {
 func (h Transport) Write() base.HeaderValue {
 	var rets []string
 
-	if h.Protocol == base.StreamProtocolUDP {
+	if h.Protocol == TransportProtocolUDP {
 		rets = append(rets, "RTP/AVP")
 	} else {
 		rets = append(rets, "RTP/AVP/TCP")
 	}
 
 	if h.Delivery != nil {
-		if *h.Delivery == base.StreamDeliveryUnicast {
+		if *h.Delivery == TransportDeliveryUnicast {
 			rets = append(rets, "unicast")
 		} else {
 			rets = append(rets, "multicast")
diff --git a/pkg/headers/transport_test.go b/pkg/headers/transport_test.go
index f42f68fd..c77d5028 100644
--- a/pkg/headers/transport_test.go
+++ b/pkg/headers/transport_test.go
@@ -20,9 +20,9 @@ var casesTransport = []struct {
 		base.HeaderValue{`RTP/AVP;unicast;client_port=3456-3457;mode="PLAY"`},
 		base.HeaderValue{`RTP/AVP;unicast;client_port=3456-3457;mode=play`},
 		Transport{
-			Protocol: base.StreamProtocolUDP,
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Protocol: TransportProtocolUDP,
+			Delivery: func() *TransportDelivery {
+				v := TransportDeliveryUnicast
 				return &v
 			}(),
 			ClientPorts: &[2]int{3456, 3457},
@@ -37,9 +37,9 @@ var casesTransport = []struct {
 		base.HeaderValue{`RTP/AVP/UDP;unicast;client_port=3056-3057;server_port=5000-5001`},
 		base.HeaderValue{`RTP/AVP;unicast;client_port=3056-3057;server_port=5000-5001`},
 		Transport{
-			Protocol: base.StreamProtocolUDP,
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Protocol: TransportProtocolUDP,
+			Delivery: func() *TransportDelivery {
+				v := TransportDeliveryUnicast
 				return &v
 			}(),
 			ClientPorts: &[2]int{3056, 3057},
@@ -51,9 +51,9 @@ var casesTransport = []struct {
 		base.HeaderValue{`RTP/AVP;multicast;destination=225.219.201.15;port=7000-7001;ttl=127`},
 		base.HeaderValue{`RTP/AVP;multicast;destination=225.219.201.15;port=7000-7001;ttl=127`},
 		Transport{
-			Protocol: base.StreamProtocolUDP,
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryMulticast
+			Protocol: TransportProtocolUDP,
+			Delivery: func() *TransportDelivery {
+				v := TransportDeliveryMulticast
 				return &v
 			}(),
 			Destination: func() *net.IP {
@@ -72,7 +72,7 @@ var casesTransport = []struct {
 		base.HeaderValue{`RTP/AVP/TCP;interleaved=0-1`},
 		base.HeaderValue{`RTP/AVP/TCP;interleaved=0-1`},
 		Transport{
-			Protocol:       base.StreamProtocolTCP,
+			Protocol:       TransportProtocolTCP,
 			InterleavedIDs: &[2]int{0, 1},
 		},
 	},
@@ -81,9 +81,9 @@ var casesTransport = []struct {
 		base.HeaderValue{`RTP/AVP/UDP;unicast;server_port=8052;client_port=14186;ssrc=0B6020AD;mode=PLAY`},
 		base.HeaderValue{`RTP/AVP;unicast;client_port=14186-14187;server_port=8052-8053;ssrc=0B6020AD;mode=play`},
 		Transport{
-			Protocol: base.StreamProtocolUDP,
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Protocol: TransportProtocolUDP,
+			Delivery: func() *TransportDelivery {
+				v := TransportDeliveryUnicast
 				return &v
 			}(),
 			Mode: func() *TransportMode {
@@ -103,9 +103,9 @@ var casesTransport = []struct {
 		base.HeaderValue{`RTP/AVP/UDP;unicast;mode=receive;source=localhost;client_port=14186-14187;server_port=5000-5001`},
 		base.HeaderValue{`RTP/AVP;unicast;client_port=14186-14187;server_port=5000-5001;mode=record`},
 		Transport{
-			Protocol: base.StreamProtocolUDP,
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Protocol: TransportProtocolUDP,
+			Delivery: func() *TransportDelivery {
+				v := TransportDeliveryUnicast
 				return &v
 			}(),
 			Mode: func() *TransportMode {
@@ -121,9 +121,9 @@ var casesTransport = []struct {
 		base.HeaderValue{`client_port=3456-3457;RTP/AVP;mode="PLAY";unicast`},
 		base.HeaderValue{`RTP/AVP;unicast;client_port=3456-3457;mode=play`},
 		Transport{
-			Protocol: base.StreamProtocolUDP,
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Protocol: TransportProtocolUDP,
+			Delivery: func() *TransportDelivery {
+				v := TransportDeliveryUnicast
 				return &v
 			}(),
 			ClientPorts: &[2]int{3456, 3457},
@@ -138,9 +138,9 @@ var casesTransport = []struct {
 		base.HeaderValue{`RTP/AVP/UDP;unicast;client_port=14186;server_port=8052;ssrc=4317f;mode=play`},
 		base.HeaderValue{`RTP/AVP;unicast;client_port=14186-14187;server_port=8052-8053;ssrc=0004317F;mode=play`},
 		Transport{
-			Protocol: base.StreamProtocolUDP,
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Protocol: TransportProtocolUDP,
+			Delivery: func() *TransportDelivery {
+				v := TransportDeliveryUnicast
 				return &v
 			}(),
 			Mode: func() *TransportMode {
diff --git a/server_publish_test.go b/server_publish_test.go
index 75242bf8..43b98a23 100644
--- a/server_publish_test.go
+++ b/server_publish_test.go
@@ -358,9 +358,9 @@ func TestServerPublishSetupPath(t *testing.T) {
 			require.Equal(t, base.StatusOK, res.StatusCode)
 
 			th := &headers.Transport{
-				Protocol: base.StreamProtocolTCP,
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Protocol: headers.TransportProtocolTCP,
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -439,9 +439,9 @@ func TestServerPublishErrorSetupDifferentPaths(t *testing.T) {
 	require.Equal(t, base.StatusOK, res.StatusCode)
 
 	th := &headers.Transport{
-		Protocol: base.StreamProtocolTCP,
-		Delivery: func() *base.StreamDelivery {
-			v := base.StreamDeliveryUnicast
+		Protocol: headers.TransportProtocolTCP,
+		Delivery: func() *headers.TransportDelivery {
+			v := headers.TransportDeliveryUnicast
 			return &v
 		}(),
 		Mode: func() *headers.TransportMode {
@@ -521,9 +521,9 @@ func TestServerPublishErrorSetupTrackTwice(t *testing.T) {
 	require.Equal(t, base.StatusOK, res.StatusCode)
 
 	th := &headers.Transport{
-		Protocol: base.StreamProtocolTCP,
-		Delivery: func() *base.StreamDelivery {
-			v := base.StreamDeliveryUnicast
+		Protocol: headers.TransportProtocolTCP,
+		Delivery: func() *headers.TransportDelivery {
+			v := headers.TransportDeliveryUnicast
 			return &v
 		}(),
 		Mode: func() *headers.TransportMode {
@@ -623,9 +623,9 @@ func TestServerPublishErrorRecordPartialTracks(t *testing.T) {
 	require.Equal(t, base.StatusOK, res.StatusCode)
 
 	th := &headers.Transport{
-		Protocol: base.StreamProtocolTCP,
-		Delivery: func() *base.StreamDelivery {
-			v := base.StreamDeliveryUnicast
+		Protocol: headers.TransportProtocolTCP,
+		Delivery: func() *headers.TransportDelivery {
+			v := headers.TransportDeliveryUnicast
 			return &v
 		}(),
 		Mode: func() *headers.TransportMode {
@@ -775,8 +775,8 @@ func TestServerPublish(t *testing.T) {
 			<-sessionOpened
 
 			inTH := &headers.Transport{
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -786,10 +786,10 @@ func TestServerPublish(t *testing.T) {
 			}
 
 			if transport == "udp" {
-				inTH.Protocol = base.StreamProtocolUDP
+				inTH.Protocol = headers.TransportProtocolUDP
 				inTH.ClientPorts = &[2]int{35466, 35467}
 			} else {
-				inTH.Protocol = base.StreamProtocolTCP
+				inTH.Protocol = headers.TransportProtocolTCP
 				inTH.InterleavedIDs = &[2]int{0, 1}
 			}
 
@@ -961,15 +961,15 @@ func TestServerPublishErrorInvalidProtocol(t *testing.T) {
 	require.Equal(t, base.StatusOK, res.StatusCode)
 
 	inTH := &headers.Transport{
-		Delivery: func() *base.StreamDelivery {
-			v := base.StreamDeliveryUnicast
+		Delivery: func() *headers.TransportDelivery {
+			v := headers.TransportDeliveryUnicast
 			return &v
 		}(),
 		Mode: func() *headers.TransportMode {
 			v := headers.TransportModeRecord
 			return &v
 		}(),
-		Protocol:    base.StreamProtocolUDP,
+		Protocol:    headers.TransportProtocolUDP,
 		ClientPorts: &[2]int{35466, 35467},
 	}
 
@@ -1062,15 +1062,15 @@ func TestServerPublishRTCPReport(t *testing.T) {
 	require.Equal(t, base.StatusOK, res.StatusCode)
 
 	inTH := &headers.Transport{
-		Delivery: func() *base.StreamDelivery {
-			v := base.StreamDeliveryUnicast
+		Delivery: func() *headers.TransportDelivery {
+			v := headers.TransportDeliveryUnicast
 			return &v
 		}(),
 		Mode: func() *headers.TransportMode {
 			v := headers.TransportModeRecord
 			return &v
 		}(),
-		Protocol:       base.StreamProtocolTCP,
+		Protocol:       headers.TransportProtocolTCP,
 		InterleavedIDs: &[2]int{0, 1},
 	}
 
@@ -1221,8 +1221,8 @@ func TestServerPublishTimeout(t *testing.T) {
 			require.Equal(t, base.StatusOK, res.StatusCode)
 
 			inTH := &headers.Transport{
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -1232,10 +1232,10 @@ func TestServerPublishTimeout(t *testing.T) {
 			}
 
 			if transport == "udp" {
-				inTH.Protocol = base.StreamProtocolUDP
+				inTH.Protocol = headers.TransportProtocolUDP
 				inTH.ClientPorts = &[2]int{35466, 35467}
 			} else {
-				inTH.Protocol = base.StreamProtocolTCP
+				inTH.Protocol = headers.TransportProtocolTCP
 				inTH.InterleavedIDs = &[2]int{0, 1}
 			}
 
@@ -1348,8 +1348,8 @@ func TestServerPublishWithoutTeardown(t *testing.T) {
 			require.Equal(t, base.StatusOK, res.StatusCode)
 
 			inTH := &headers.Transport{
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -1359,10 +1359,10 @@ func TestServerPublishWithoutTeardown(t *testing.T) {
 			}
 
 			if transport == "udp" {
-				inTH.Protocol = base.StreamProtocolUDP
+				inTH.Protocol = headers.TransportProtocolUDP
 				inTH.ClientPorts = &[2]int{35466, 35467}
 			} else {
-				inTH.Protocol = base.StreamProtocolTCP
+				inTH.Protocol = headers.TransportProtocolTCP
 				inTH.InterleavedIDs = &[2]int{0, 1}
 			}
 
@@ -1467,15 +1467,15 @@ func TestServerPublishUDPChangeConn(t *testing.T) {
 		require.Equal(t, base.StatusOK, res.StatusCode)
 
 		inTH := &headers.Transport{
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Delivery: func() *headers.TransportDelivery {
+				v := headers.TransportDeliveryUnicast
 				return &v
 			}(),
 			Mode: func() *headers.TransportMode {
 				v := headers.TransportModeRecord
 				return &v
 			}(),
-			Protocol:    base.StreamProtocolUDP,
+			Protocol:    headers.TransportProtocolUDP,
 			ClientPorts: &[2]int{35466, 35467},
 		}
 
diff --git a/server_read_test.go b/server_read_test.go
index 15a819d0..9aa9de24 100644
--- a/server_read_test.go
+++ b/server_read_test.go
@@ -116,9 +116,9 @@ func TestServerReadSetupPath(t *testing.T) {
 			bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
 
 			th := &headers.Transport{
-				Protocol: base.StreamProtocolTCP,
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Protocol: headers.TransportProtocolTCP,
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -174,9 +174,9 @@ func TestServerReadErrorSetupDifferentPaths(t *testing.T) {
 	bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
 
 	th := &headers.Transport{
-		Protocol: base.StreamProtocolTCP,
-		Delivery: func() *base.StreamDelivery {
-			v := base.StreamDeliveryUnicast
+		Protocol: headers.TransportProtocolTCP,
+		Delivery: func() *headers.TransportDelivery {
+			v := headers.TransportDeliveryUnicast
 			return &v
 		}(),
 		Mode: func() *headers.TransportMode {
@@ -246,9 +246,9 @@ func TestServerReadErrorSetupTrackTwice(t *testing.T) {
 	bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
 
 	th := &headers.Transport{
-		Protocol: base.StreamProtocolTCP,
-		Delivery: func() *base.StreamDelivery {
-			v := base.StreamDeliveryUnicast
+		Protocol: headers.TransportProtocolTCP,
+		Delivery: func() *headers.TransportDelivery {
+			v := headers.TransportDeliveryUnicast
 			return &v
 		}(),
 		Mode: func() *headers.TransportMode {
@@ -399,20 +399,20 @@ func TestServerRead(t *testing.T) {
 
 			switch transport {
 			case "udp":
-				v := base.StreamDeliveryUnicast
+				v := headers.TransportDeliveryUnicast
 				inTH.Delivery = &v
-				inTH.Protocol = base.StreamProtocolUDP
+				inTH.Protocol = headers.TransportProtocolUDP
 				inTH.ClientPorts = &[2]int{35466, 35467}
 
 			case "multicast":
-				v := base.StreamDeliveryMulticast
+				v := headers.TransportDeliveryMulticast
 				inTH.Delivery = &v
-				inTH.Protocol = base.StreamProtocolUDP
+				inTH.Protocol = headers.TransportProtocolUDP
 
 			default:
-				v := base.StreamDeliveryUnicast
+				v := headers.TransportDeliveryUnicast
 				inTH.Delivery = &v
-				inTH.Protocol = base.StreamProtocolTCP
+				inTH.Protocol = headers.TransportProtocolTCP
 				inTH.InterleavedIDs = &[2]int{4, 5}
 			}
 
@@ -433,16 +433,16 @@ func TestServerRead(t *testing.T) {
 
 			switch transport {
 			case "udp":
-				require.Equal(t, base.StreamProtocolUDP, th.Protocol)
-				require.Equal(t, base.StreamDeliveryUnicast, *th.Delivery)
+				require.Equal(t, headers.TransportProtocolUDP, th.Protocol)
+				require.Equal(t, headers.TransportDeliveryUnicast, *th.Delivery)
 
 			case "multicast":
-				require.Equal(t, base.StreamProtocolUDP, th.Protocol)
-				require.Equal(t, base.StreamDeliveryMulticast, *th.Delivery)
+				require.Equal(t, headers.TransportProtocolUDP, th.Protocol)
+				require.Equal(t, headers.TransportDeliveryMulticast, *th.Delivery)
 
 			default:
-				require.Equal(t, base.StreamProtocolTCP, th.Protocol)
-				require.Equal(t, base.StreamDeliveryUnicast, *th.Delivery)
+				require.Equal(t, headers.TransportProtocolTCP, th.Protocol)
+				require.Equal(t, headers.TransportDeliveryUnicast, *th.Delivery)
 			}
 
 			<-sessionOpened
@@ -666,9 +666,9 @@ func TestServerReadTCPResponseBeforeFrames(t *testing.T) {
 		Header: base.Header{
 			"CSeq": base.HeaderValue{"1"},
 			"Transport": headers.Transport{
-				Protocol: base.StreamProtocolTCP,
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Protocol: headers.TransportProtocolTCP,
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -737,9 +737,9 @@ func TestServerReadPlayPlay(t *testing.T) {
 		Header: base.Header{
 			"CSeq": base.HeaderValue{"1"},
 			"Transport": headers.Transport{
-				Protocol: base.StreamProtocolUDP,
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Protocol: headers.TransportProtocolUDP,
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -844,9 +844,9 @@ func TestServerReadPlayPausePlay(t *testing.T) {
 		Header: base.Header{
 			"CSeq": base.HeaderValue{"1"},
 			"Transport": headers.Transport{
-				Protocol: base.StreamProtocolTCP,
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Protocol: headers.TransportProtocolTCP,
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -958,9 +958,9 @@ func TestServerReadPlayPausePause(t *testing.T) {
 		Header: base.Header{
 			"CSeq": base.HeaderValue{"1"},
 			"Transport": headers.Transport{
-				Protocol: base.StreamProtocolTCP,
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Protocol: headers.TransportProtocolTCP,
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -1065,8 +1065,8 @@ func TestServerReadTimeout(t *testing.T) {
 			bconn := bufio.NewReadWriter(bufio.NewReader(nconn), bufio.NewWriter(nconn))
 
 			inTH := &headers.Transport{
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -1075,7 +1075,7 @@ func TestServerReadTimeout(t *testing.T) {
 				}(),
 			}
 
-			inTH.Protocol = base.StreamProtocolUDP
+			inTH.Protocol = headers.TransportProtocolUDP
 			inTH.ClientPorts = &[2]int{35466, 35467}
 
 			res, err := writeReqReadRes(bconn, base.Request{
@@ -1162,8 +1162,8 @@ func TestServerReadWithoutTeardown(t *testing.T) {
 			bconn := bufio.NewReadWriter(bufio.NewReader(nconn), bufio.NewWriter(nconn))
 
 			inTH := &headers.Transport{
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -1173,10 +1173,10 @@ func TestServerReadWithoutTeardown(t *testing.T) {
 			}
 
 			if transport == "udp" {
-				inTH.Protocol = base.StreamProtocolUDP
+				inTH.Protocol = headers.TransportProtocolUDP
 				inTH.ClientPorts = &[2]int{35466, 35467}
 			} else {
-				inTH.Protocol = base.StreamProtocolTCP
+				inTH.Protocol = headers.TransportProtocolTCP
 				inTH.InterleavedIDs = &[2]int{0, 1}
 			}
 
@@ -1253,15 +1253,15 @@ func TestServerReadUDPChangeConn(t *testing.T) {
 		bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
 
 		inTH := &headers.Transport{
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Delivery: func() *headers.TransportDelivery {
+				v := headers.TransportDeliveryUnicast
 				return &v
 			}(),
 			Mode: func() *headers.TransportMode {
 				v := headers.TransportModePlay
 				return &v
 			}(),
-			Protocol:    base.StreamProtocolUDP,
+			Protocol:    headers.TransportProtocolUDP,
 			ClientPorts: &[2]int{35466, 35467},
 		}
 
@@ -1344,15 +1344,15 @@ func TestServerReadErrorUDPSamePorts(t *testing.T) {
 		bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
 
 		inTH := &headers.Transport{
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Delivery: func() *headers.TransportDelivery {
+				v := headers.TransportDeliveryUnicast
 				return &v
 			}(),
 			Mode: func() *headers.TransportMode {
 				v := headers.TransportModePlay
 				return &v
 			}(),
-			Protocol:    base.StreamProtocolUDP,
+			Protocol:    headers.TransportProtocolUDP,
 			ClientPorts: &[2]int{35466, 35467},
 		}
 
@@ -1386,15 +1386,15 @@ func TestServerReadErrorUDPSamePorts(t *testing.T) {
 		bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
 
 		inTH := &headers.Transport{
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Delivery: func() *headers.TransportDelivery {
+				v := headers.TransportDeliveryUnicast
 				return &v
 			}(),
 			Mode: func() *headers.TransportMode {
 				v := headers.TransportModePlay
 				return &v
 			}(),
-			Protocol:    base.StreamProtocolUDP,
+			Protocol:    headers.TransportProtocolUDP,
 			ClientPorts: &[2]int{35466, 35467},
 		}
 
@@ -1448,15 +1448,15 @@ func TestServerReadNonSetuppedPath(t *testing.T) {
 	bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
 
 	inTH := &headers.Transport{
-		Delivery: func() *base.StreamDelivery {
-			v := base.StreamDeliveryUnicast
+		Delivery: func() *headers.TransportDelivery {
+			v := headers.TransportDeliveryUnicast
 			return &v
 		}(),
 		Mode: func() *headers.TransportMode {
 			v := headers.TransportModePlay
 			return &v
 		}(),
-		Protocol:       base.StreamProtocolTCP,
+		Protocol:       headers.TransportProtocolTCP,
 		InterleavedIDs: &[2]int{0, 1},
 	}
 
@@ -1500,15 +1500,15 @@ func TestServerReadAdditionalInfos(t *testing.T) {
 		ssrcs := make([]*uint32, 2)
 
 		inTH := &headers.Transport{
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Delivery: func() *headers.TransportDelivery {
+				v := headers.TransportDeliveryUnicast
 				return &v
 			}(),
 			Mode: func() *headers.TransportMode {
 				v := headers.TransportModePlay
 				return &v
 			}(),
-			Protocol:       base.StreamProtocolTCP,
+			Protocol:       headers.TransportProtocolTCP,
 			InterleavedIDs: &[2]int{0, 1},
 		}
 
@@ -1529,15 +1529,15 @@ func TestServerReadAdditionalInfos(t *testing.T) {
 		ssrcs[0] = th.SSRC
 
 		inTH = &headers.Transport{
-			Delivery: func() *base.StreamDelivery {
-				v := base.StreamDeliveryUnicast
+			Delivery: func() *headers.TransportDelivery {
+				v := headers.TransportDeliveryUnicast
 				return &v
 			}(),
 			Mode: func() *headers.TransportMode {
 				v := headers.TransportModePlay
 				return &v
 			}(),
-			Protocol:       base.StreamProtocolTCP,
+			Protocol:       headers.TransportProtocolTCP,
 			InterleavedIDs: &[2]int{2, 3},
 		}
 
diff --git a/server_test.go b/server_test.go
index 042638e8..aa8e15eb 100644
--- a/server_test.go
+++ b/server_test.go
@@ -700,9 +700,9 @@ func TestServerErrorTCPTwoConnOneSession(t *testing.T) {
 		Header: base.Header{
 			"CSeq": base.HeaderValue{"1"},
 			"Transport": headers.Transport{
-				Protocol: base.StreamProtocolTCP,
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Protocol: headers.TransportProtocolTCP,
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -738,9 +738,9 @@ func TestServerErrorTCPTwoConnOneSession(t *testing.T) {
 		Header: base.Header{
 			"CSeq": base.HeaderValue{"1"},
 			"Transport": headers.Transport{
-				Protocol: base.StreamProtocolTCP,
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Protocol: headers.TransportProtocolTCP,
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -797,9 +797,9 @@ func TestServerErrorTCPOneConnTwoSessions(t *testing.T) {
 		Header: base.Header{
 			"CSeq": base.HeaderValue{"1"},
 			"Transport": headers.Transport{
-				Protocol: base.StreamProtocolTCP,
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Protocol: headers.TransportProtocolTCP,
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -830,9 +830,9 @@ func TestServerErrorTCPOneConnTwoSessions(t *testing.T) {
 		Header: base.Header{
 			"CSeq": base.HeaderValue{"3"},
 			"Transport": headers.Transport{
-				Protocol: base.StreamProtocolTCP,
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Protocol: headers.TransportProtocolTCP,
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -995,9 +995,9 @@ func TestServerSessionClose(t *testing.T) {
 		Header: base.Header{
 			"CSeq": base.HeaderValue{"1"},
 			"Transport": headers.Transport{
-				Protocol: base.StreamProtocolTCP,
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Protocol: headers.TransportProtocolTCP,
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -1048,9 +1048,9 @@ func TestServerSessionAutoClose(t *testing.T) {
 		Header: base.Header{
 			"CSeq": base.HeaderValue{"1"},
 			"Transport": headers.Transport{
-				Protocol: base.StreamProtocolTCP,
-				Delivery: func() *base.StreamDelivery {
-					v := base.StreamDeliveryUnicast
+				Protocol: headers.TransportProtocolTCP,
+				Delivery: func() *headers.TransportDelivery {
+					v := headers.TransportDeliveryUnicast
 					return &v
 				}(),
 				Mode: func() *headers.TransportMode {
@@ -1156,9 +1156,9 @@ func TestServerErrorInvalidPath(t *testing.T) {
 						"CSeq":    base.HeaderValue{"2"},
 						"Session": base.HeaderValue{sxID},
 						"Transport": headers.Transport{
-							Protocol: base.StreamProtocolTCP,
-							Delivery: func() *base.StreamDelivery {
-								v := base.StreamDeliveryUnicast
+							Protocol: headers.TransportProtocolTCP,
+							Delivery: func() *headers.TransportDelivery {
+								v := headers.TransportDeliveryUnicast
 								return &v
 							}(),
 							Mode: func() *headers.TransportMode {
diff --git a/serversession.go b/serversession.go
index 4f2f385c..464618fb 100644
--- a/serversession.go
+++ b/serversession.go
@@ -76,22 +76,22 @@ func setupGetTrackIDPathQuery(
 }
 
 func setupGetTransport(th headers.Transport) (Transport, bool) {
-	delivery := func() base.StreamDelivery {
+	delivery := func() headers.TransportDelivery {
 		if th.Delivery != nil {
 			return *th.Delivery
 		}
-		return base.StreamDeliveryUnicast
+		return headers.TransportDeliveryUnicast
 	}()
 
 	switch th.Protocol {
-	case base.StreamProtocolUDP:
-		if delivery == base.StreamDeliveryUnicast {
+	case headers.TransportProtocolUDP:
+		if delivery == headers.TransportDeliveryUnicast {
 			return TransportUDP, true
 		}
 		return TransportUDPMulticast, true
 
 	default: // TCP
-		if delivery != base.StreamDeliveryUnicast {
+		if delivery != headers.TransportDeliveryUnicast {
 			return 0, false
 		}
 		return TransportTCP, true
@@ -696,15 +696,15 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
 				sst.udpRTPPort = inTH.ClientPorts[0]
 				sst.udpRTCPPort = inTH.ClientPorts[1]
 
-				th.Protocol = base.StreamProtocolUDP
-				de := base.StreamDeliveryUnicast
+				th.Protocol = headers.TransportProtocolUDP
+				de := headers.TransportDeliveryUnicast
 				th.Delivery = &de
 				th.ClientPorts = inTH.ClientPorts
 				th.ServerPorts = &[2]int{sc.s.udpRTPListener.port(), sc.s.udpRTCPListener.port()}
 
 			case TransportUDPMulticast:
-				th.Protocol = base.StreamProtocolUDP
-				de := base.StreamDeliveryMulticast
+				th.Protocol = headers.TransportProtocolUDP
+				de := headers.TransportDeliveryMulticast
 				th.Delivery = &de
 				v := uint(127)
 				th.TTL = &v
@@ -724,8 +724,8 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
 
 				ss.setuppedTracksByChannel[inTH.InterleavedIDs[0]] = trackID
 
-				th.Protocol = base.StreamProtocolTCP
-				de := base.StreamDeliveryUnicast
+				th.Protocol = headers.TransportProtocolTCP
+				de := headers.TransportDeliveryUnicast
 				th.Delivery = &de
 				th.InterleavedIDs = inTH.InterleavedIDs
 			}
diff --git a/defs.go b/streamtype.go
similarity index 100%
rename from defs.go
rename to streamtype.go