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

2016-05-18 22:22:56 -04:00 · 2016-05-18 22:22:56 -04:00 · 0cd76f899b
parent 617ffba652
commit 0cd76f899b
1 changed files with 6 additions and 0 deletions
--- 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.