improve performance when publishing to the server or receiving streams in proxy mode

client.go

@@ -144,6 +144,7 @@ type client struct {
 	streamProtocol    gortsplib.StreamProtocol
 	streamTracks      map[int]*clientTrack
 	rtcpReceivers     []*gortsplib.RtcpReceiver
+	udpLastFrameTimes []*int64
 	describeCSeq      gortsplib.HeaderValue
 	describeUrl       string
 
@@ -1069,6 +1070,14 @@ func (c *client) runRecord() bool {
 		c.rtcpReceivers[trackId] = gortsplib.NewRtcpReceiver()
 	}
 
+	if c.streamProtocol == gortsplib.StreamProtocolUDP {
+		c.udpLastFrameTimes = make([]*int64, len(c.streamTracks))
+		for trackId := range c.streamTracks {
+			v := time.Now().Unix()
+			c.udpLastFrameTimes[trackId] = &v
+		}
+	}
+
 	c.p.clientRecord <- c
 
 	c.log("is publishing on path '%s', %d %s via %s", c.path.name, len(c.streamTracks), func() string {
@@ -1098,10 +1107,6 @@ func (c *client) runRecord() bool {
 		onPublishCmd.Wait()
 	}
 
-	for trackId := range c.streamTracks {
-		c.rtcpReceivers[trackId].Close()
-	}
-
 	return false
 }
 
@@ -1160,9 +1165,13 @@ func (c *client) runRecordUDP() {
 			return
 
 		case <-checkStreamTicker.C:
-			for trackId := range c.streamTracks {
+			now := time.Now()
-				if time.Since(c.rtcpReceivers[trackId].LastFrameTime()) >= c.p.conf.ReadTimeout {
+
-					c.log("ERR: no packets received recently (maybe there's a firewall/NAT)")
+			for _, lastUnix := range c.udpLastFrameTimes {
+				last := time.Unix(atomic.LoadInt64(lastUnix), 0)
+
+				if now.Sub(last) >= c.p.conf.ReadTimeout {
+					c.log("ERR: no packets received recently (maybe there's a firewall/NAT in between)")
 					c.conn.Close()
 					<-readDone
 					c.p.clientClose <- c

go.mod

@@ -5,7 +5,7 @@ go 1.12
 require (
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
 	github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d // indirect
-	github.com/aler9/gortsplib v0.0.0-20200913144012-45cf5562dede
+	github.com/aler9/gortsplib v0.0.0-20200918204140-dd671c35ba0e
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/stretchr/testify v1.6.1
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6

go.sum

@@ -2,8 +2,8 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafo
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d h1:UQZhZ2O0vMHr2cI+DC1Mbh0TJxzA3RcLoMsFw+aXw7E=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
-github.com/aler9/gortsplib v0.0.0-20200913144012-45cf5562dede h1:J1fnRadD+GLXwZTnn/tzr8qJnAR9liQJ6+h1eRqoxq0=
+github.com/aler9/gortsplib v0.0.0-20200918204140-dd671c35ba0e h1:6QuNm+AZxHDtfvti5Fj8LXLMpsayJ8rY6RAiLAmahPg=
-github.com/aler9/gortsplib v0.0.0-20200913144012-45cf5562dede/go.mod h1:XybE/Zt1yFtnNEjNhAyg2w6VjD8aJ79GFfpSjkfLNd8=
+github.com/aler9/gortsplib v0.0.0-20200918204140-dd671c35ba0e/go.mod h1:XybE/Zt1yFtnNEjNhAyg2w6VjD8aJ79GFfpSjkfLNd8=
 github.com/aler9/sdp-dirty/v3 v3.0.0-20200905103724-214b7cc25cfd h1:s/l20rPNGiyjggMdkhsLu0aQ0K0OFcROUMBDu7fGT+I=
 github.com/aler9/sdp-dirty/v3 v3.0.0-20200905103724-214b7cc25cfd/go.mod h1:5bO/aUQr9m3OasDatNNcVqKAgs7r5hgGXmszWHaC6mI=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=

main.go

@@ -316,7 +316,10 @@ outer:
 				continue
 			}
 
+			atomic.StoreInt64(pub.client.udpLastFrameTimes[pub.trackId], time.Now().Unix())
+
 			pub.client.rtcpReceivers[pub.trackId].OnFrame(req.streamType, req.buf)
+
 			p.forwardFrame(pub.client.path, pub.trackId, req.streamType, req.buf)
 
 		case req := <-p.clientFrameTCP: