Added an error message if a camera isn't available.

0cd76f89 · Davis King · 617ffba6 · 0cd76f89
Commit 0cd76f89 authored May 19, 2016 by Davis King
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webcam_face_pose_ex.cpp examples/webcam_face_pose_ex.cpp +6 -0

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--- a/examples/webcam_face_pose_ex.cpp
+++ b/examples/webcam_face_pose_ex.cpp
@@ -42,6 +42,12 @@ int main()
    try
    {
        cv::VideoCapture cap(0);
+        if (!cap.isOpened())
+        {
+            cerr << "Unable to connect to camera" << endl;
+            return 1;
+        }
+
        image_window win;

        // Load face detection and pose estimation models.