Fix extra slash for RTSP SETUP #1236

Author: AlexxIT

pkg/rtsp/client.go

@@ -237,13 +237,11 @@ func (c *Conn) SetupMedia(media *core.Media) (byte, error) {
 	rawURL := media.ID // control
 	if !strings.Contains(rawURL, "://") {
 		rawURL = c.URL.String()
-		if !strings.HasSuffix(rawURL, "/") {
+		// prefix check for https://github.com/AlexxIT/go2rtc/issues/1236
+		if !strings.HasSuffix(rawURL, "/") && !strings.HasPrefix(media.ID, "/") {
 			rawURL += "/"
 		}
 		rawURL += media.ID
-	} else if strings.HasPrefix(rawURL, "rtsp://rtsp://") {
-		// fix https://github.com/AlexxIT/go2rtc/issues/830
-		rawURL = rawURL[7:]
 	}
 	trackURL, err := urlParse(rawURL)
 	if err != nil {

pkg/rtsp/helpers.go

@@ -117,6 +117,7 @@ func findFmtpLine(payloadType uint8, descriptions []*sdp.MediaDescription) strin
 // 1. Content-Base: rtsp://::ffff:192.168.1.123/onvif/profile.1/
 // 2. Content-Base: rtsp://rtsp://turret2-cam.lan:554/stream1/
 func urlParse(rawURL string) (*url.URL, error) {
+	// fix https://github.com/AlexxIT/go2rtc/issues/830
 	if strings.HasPrefix(rawURL, "rtsp://rtsp://") {
 		rawURL = rawURL[7:]
 	}