From 03c45b1bcfac90ac04ef7c373dfd93e3e202d58a Mon Sep 17 00:00:00 2001
From: Saxon <saxon@ausocean.org>
Date: Mon, 27 May 2019 14:31:14 +0930
Subject: [PATCH] protocol/rtcp/parse.go: removed ParseSSRC and checkPacket
 functions as not required anymore

---
 protocol/rtcp/parse.go | 34 +++++++++-------------------------
 1 file changed, 9 insertions(+), 25 deletions(-)

diff --git a/protocol/rtcp/parse.go b/protocol/rtcp/parse.go
index 458be546..2007a26d 100644
--- a/protocol/rtcp/parse.go
+++ b/protocol/rtcp/parse.go
@@ -42,9 +42,15 @@ type Timestamp struct {
 // a Timestamp as defined above. If the given bytes do not represent a valid
 // receiver report, an error is returned.
 func ParseTimestamp(buf []byte) (Timestamp, error) {
-	err := checkPacket(buf)
-	if err != nil {
-		return Timestamp{}, err
+	if len(buf) < 4 {
+		return Timestamp{}, errors.New("bad RTCP packet, not of sufficient length")
+	}
+	if (buf[0]&0xc0)>>6 != rtcpVer {
+		return Timestamp{}, errors.New("incompatible RTCP version")
+	}
+
+	if buf[1] != typeSenderReport {
+		return Timestamp{}, errors.New("RTCP packet is not of sender report type")
 	}
 
 	return Timestamp{
@@ -52,25 +58,3 @@ func ParseTimestamp(buf []byte) (Timestamp, error) {
 		Fraction: binary.BigEndian.Uint32(buf[12:]),
 	}, nil
 }
-
-func ParseSSRC(buf []byte) (uint32, error) {
-	err := checkPacket(buf)
-	if err != nil {
-		return 0, err
-	}
-	return binary.BigEndian.Uint32(buf[4:]), nil
-}
-
-func checkPacket(buf []byte) error {
-	if len(buf) < 4 {
-		return errors.New("bad RTCP packet, not of sufficient length")
-	}
-	if (buf[0]&0xc0)>>6 != rtcpVer {
-		return errors.New("incompatible RTCP version")
-	}
-
-	if buf[1] != typeSenderReport {
-		return errors.New("RTCP packet is not of sender report type")
-	}
-	return nil
-}