protocol/rtcp: changed Timestamp func so that it returns msw and lsw

protocol/rtcp/client.go

@@ -147,13 +147,9 @@ func (c *client) send() {
 // parse will read important statistics from sender reports.
 func (c *client) parse(buf []byte) {
 	c.received()
-	msw, err := TimestampMSW(buf)
+	msw, lsw, err := Timestamp(buf)
 	if err != nil {
-		c.ErrChan <- errors.New(fmt.Sprintf("could not get timestamp msw from sender report, failed with error: %v", err))
-	}
-	lsw, err := TimestampLSW(buf)
-	if err != nil {
-		c.ErrChan <- errors.New(fmt.Sprintf("could not get timestamp lsw from sender report, failed with error: %v", err))
+		c.ErrChan <- errors.New(fmt.Sprintf("could not get timestamp from sender report, failed with error: %v", err))
 	}
 	c.setSenderTs(msw, lsw)
 }

protocol/rtcp/rtcp.go

@@ -6,6 +6,7 @@ import (
 
 // RTCP packet types.
 const (
+	typeSenderReport      = 200
 	typeReceiverReport    = 201
 	typeSourceDescription = 202
 )
@@ -60,6 +61,16 @@ func (r *ReceiverReport) Bytes() []byte {
 	return buf
 }
 
+type ReportBlock struct {
+	SSRC            uint32 // Source identifier.
+	FractionLost    uint8  // Fraction of packets lost.
+	PacketsLost     uint32 // Cumulative number of packets lost.
+	HighestSequence uint32 // Extended highest sequence number received.
+	Jitter          uint32 // Interarrival jitter.
+	LSR             uint32 // Last sender report timestamp.
+	DLSR            uint32 // Delay since last sender report.
+}
+
 type SourceDescription struct {
 	Header
 
@@ -106,16 +117,6 @@ type Header struct {
 	Type        uint8 // Type of RTCP packet.
 }
 
-type ReportBlock struct {
-	SSRC            uint32 // Source identifier.
-	FractionLost    uint8  // Fraction of packets lost.
-	PacketsLost     uint32 // Cumulative number of packets lost.
-	HighestSequence uint32 // Extended highest sequence number received.
-	Jitter          uint32 // Interarrival jitter.
-	LSR             uint32 // Last sender report timestamp.
-	DLSR            uint32 // Delay since last sender report.
-}
-
 type SDESItem struct {
 	Type uint8
 	Text []byte
@@ -146,11 +147,3 @@ func asByte(b bool) byte {
 	}
 	return 0x00
 }
-
-func TimestampMSW(buf []byte) (uint32, error) {
-	return 0, nil
-}
-
-func TimestampLSW(buf []byte) (uint32, error) {
-	return 0, nil
-}