protocol/rtcp: renamed SourceDescription to Description

protocol/rtcp/client.go

@@ -186,12 +186,12 @@ func (c *Client) send() {
 				Extensions: nil,
 			}
 
-			description := SourceDescription{
+			description := Description{
 				Header: Header{
 					Version:     rtcpVer,
 					Padding:     false,
 					ReportCount: 1,
-					Type:        typeSourceDescription,
+					Type:        typeDescription,
 				},
 				Chunks: []Chunk{
 					Chunk{
@@ -218,7 +218,7 @@ func (c *Client) send() {
 // formPayload takes a pointer to a ReceiverReport and a pointer to a
 // Source Description and calls Bytes on both, writing to the underlying Client
 // buf. A slice to the combined writtem memory is returned.
-func (c *Client) formPayload(r *ReceiverReport, d *SourceDescription) []byte {
+func (c *Client) formPayload(r *ReceiverReport, d *Description) []byte {
 	rl := len(r.Bytes(c.buf[:]))
 	dl := len(d.Bytes(c.buf[rl:]))
 	t := rl + dl

protocol/rtcp/client_test.go

@@ -81,12 +81,12 @@ func TestFormPayload(t *testing.T) {
 		Extensions: nil,
 	}
 
-	description := SourceDescription{
+	description := Description{
 		Header: Header{
 			Version:     2,
 			Padding:     false,
 			ReportCount: 1,
-			Type:        typeSourceDescription,
+			Type:        typeDescription,
 		},
 		Chunks: []Chunk{
 			Chunk{

protocol/rtcp/rtcp.go

@@ -34,9 +34,9 @@ import (
 
 // RTCP packet types.
 const (
-	typeSenderReport      = 200
-	typeReceiverReport    = 201
-	typeSourceDescription = 202
+	typeSenderReport   = 200
+	typeReceiverReport = 201
+	typeDescription    = 202
 )
 
 // Source Description Item types.
@@ -99,14 +99,14 @@ type ReportBlock struct {
 	SenderReportDelay uint32 // Delay since last sender report.
 }
 
-// SourceDescription describes a source description RTCP packet.
-type SourceDescription struct {
+// Description describes a source description RTCP packet.
+type Description struct {
 	Header         // Standard RTCP packet header.
 	Chunks []Chunk // Chunks to describe items of each SSRC.
 }
 
-// Bytes returns an []byte of the SourceDescription d.
-func (d *SourceDescription) Bytes(buf []byte) []byte {
+// Bytes returns an []byte of the Description d.
+func (d *Description) Bytes(buf []byte) []byte {
 	bodyLen := d.bodyLen()
 	rem := bodyLen % 4
 	if rem != 0 {
@@ -136,7 +136,7 @@ func (d *SourceDescription) Bytes(buf []byte) []byte {
 }
 
 // bodyLen calculates the body length of a source description packet in bytes.
-func (d *SourceDescription) bodyLen() int {
+func (d *Description) bodyLen() int {
 	var l int
 	for _, c := range d.Chunks {
 		l += c.len()

protocol/rtcp/rtcp_test.go

@@ -88,12 +88,12 @@ func TestSourceDescriptionBytes(t *testing.T) {
 		0x70, 0x63, 0x00, 0x00,
 	}
 
-	description := SourceDescription{
+	description := Description{
 		Header: Header{
 			Version:     2,
 			Padding:     false,
 			ReportCount: 1,
-			Type:        typeSourceDescription,
+			Type:        typeDescription,
 		},
 		Chunks: []Chunk{
 			Chunk{