webrtc: start/stop ffmpeg procees if webrtc has clients

cmd/kvm/main.go

@@ -31,7 +31,7 @@ func main() {
 		log.Println("Failed to parse log level, use default level: info")
 	}
 
-	webrtc, err := rtc.InitListener(cfg.WebRtc.Host, cfg.WebRtc.VideoPort, 5006)
+	webrtc, err := rtc.InitListener(cfg.WebRtc.Host, cfg.WebRtc.VideoPort, cfg.WebRtc.AudioPort)
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -44,8 +44,7 @@ func main() {
 		ustreamer.Start()
 		//go ustreamer.Watch()
 	} else if cfg.Stream.Source == config.StreamSourceH264 {
-		v := ffmpeg.InitFFmpeg()
-		v.Start()
+		ffmpeg.InitFFmpeg()
 	} else {
 		log.Fatalf("unsupported stream source type: %v", cfg.Stream.Source)
 	}