From be093c4e06359f65dbbf4e28401af10640e4eb77 Mon Sep 17 00:00:00 2001
From: Christoph Haag <christoph.haag@collabora.com>
Date: Mon, 13 Mar 2023 01:28:37 +0100
Subject: [PATCH] a/tracking: Fix psvr tracker OpenCV parameters

Fixes OpenCV exception on startup with Playstation Move controller:
 what():  OpenCV(4.7.0) /usr/src/debug/opencv/opencv-4.7.0/modules/features2d/src/blobdetector.cpp:93: error: (-5:Bad argument) 0<minArea<=maxArea in function 'validateParameters'
---
 src/xrt/auxiliary/tracking/t_tracker_psvr.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/xrt/auxiliary/tracking/t_tracker_psvr.cpp b/src/xrt/auxiliary/tracking/t_tracker_psvr.cpp
index a9cceb601..2dc3fd1eb 100644
--- a/src/xrt/auxiliary/tracking/t_tracker_psvr.cpp
+++ b/src/xrt/auxiliary/tracking/t_tracker_psvr.cpp
@@ -2079,7 +2079,7 @@ t_psvr_create(struct xrt_frame_context *xfctx,
 	blob_params.filterByInertia = false;
 	blob_params.filterByColor = true;
 	blob_params.blobColor = 255; // 0 or 255 - color comes from binarized image?
-	blob_params.minArea = 0;
+	blob_params.minArea = 1;
 	blob_params.maxArea = 1000;
 	blob_params.maxThreshold = 51; // using a wide threshold span slows things down bigtime
 	blob_params.minThreshold = 50;