From 12e7ec5bdac206a3072f24577e897c79d6b0189f Mon Sep 17 00:00:00 2001
From: Stéphane Lenclud <github@lenclud.com>
Date: Sat, 13 Apr 2019 00:19:18 +0200
Subject: Easy Tracker: Support for single channel camera frames.

---
 tracker-easy/point_extractor.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'tracker-easy/point_extractor.cpp')

diff --git a/tracker-easy/point_extractor.cpp b/tracker-easy/point_extractor.cpp
index ecd72f70..06bb6c9a 100644
--- a/tracker-easy/point_extractor.cpp
+++ b/tracker-easy/point_extractor.cpp
@@ -242,7 +242,15 @@ void PointExtractor::extract_points(const cv::Mat& frame, cv::Mat& preview_frame
 {
 
     ensure_buffers(frame);
-    color_to_grayscale(frame, frame_gray_unmasked);
+    if (frame.channels() != 1)
+    {
+        color_to_grayscale(frame, frame_gray_unmasked);
+    }
+    else
+    {
+        frame_gray_unmasked = frame;
+    }
+    
 
 #if defined PREVIEW
     cv::imshow("capture", frame_gray);
-- 
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