From 952554dbb4b0a5a2d5ac99c04d66787e12a3f5b4 Mon Sep 17 00:00:00 2001
From: Unknown <saxon.milton@gmail.com>
Date: Tue, 23 Jan 2018 15:42:23 +1030
Subject: [PATCH] Added check to see if revid already running

---
 revid/RevidInstance.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/revid/RevidInstance.go b/revid/RevidInstance.go
index 17a55c89..b25cded8 100644
--- a/revid/RevidInstance.go
+++ b/revid/RevidInstance.go
@@ -172,6 +172,10 @@ func (r *revidInst) ErrOut(m string){
 }
 
 func (r *revidInst) Start() {
+	if r.isRunning {
+		r.ErrOut("Start() has been called but revid already running!")
+		return
+	}
 	r.ErrOut("Starting Revid!")
 	switch r.config.Input {
 	case Raspivid: