From 955761e0a414e38d8604149c49feb3bbc924f963 Mon Sep 17 00:00:00 2001
From: Martyn R <m@rtyn.berlin>
Date: Tue, 21 Dec 2021 15:50:43 +0000
Subject: [PATCH] Crash less hard if no webcam

---
 pkg/gocvwebcam/gocvwebcam.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkg/gocvwebcam/gocvwebcam.go b/pkg/gocvwebcam/gocvwebcam.go
index eaf30b7..cf53205 100644
--- a/pkg/gocvwebcam/gocvwebcam.go
+++ b/pkg/gocvwebcam/gocvwebcam.go
@@ -56,7 +56,10 @@ func (r *gocvGocvWebcamRenderer) actualrenderframe(w, h int) image.Image {
 	gocvGocvWebcam, _ := gocv.VideoCaptureDevice(int(r.gocvGocvWebcam.GocvWebcamID))
 	img := gocv.NewMat()
 	gocvGocvWebcam.Read(&img)
-	frameImage, _ := img.ToImage() //no point doing anything other than returning anyway!
+	frameImage, err := img.ToImage()
+	if err != nil {
+		frameImage = image.NewRGBA(image.Rect(0, 0, w, h))
+	}
 	return frameImage
 }