Merge pull request #2148 from lyron3:3.4

3244184d · Alexander Alekhin · cd7276f4 · 9267b485 · 3244184d
Commit 3244184d authored Jun 12, 2019 by Alexander Alekhin
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retinaDemo.cpp modules/bioinspired/samples/retinaDemo.cpp +4 -1

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--- a/modules/bioinspired/samples/retinaDemo.cpp
+++ b/modules/bioinspired/samples/retinaDemo.cpp
@@ -68,7 +68,10 @@ int main(int argc, char* argv[])
    else
        videoCapture.open(parser.get<int>("camera"));
-    videoCapture >> inputFrame;
+    if (videoCapture.isOpened())
+    {
+        videoCapture >> inputFrame;
+    }
    if(inputFrame.empty())
    {