Add "Video Capture" example

Author: ercanersoy

video-capture/README.md

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+# Video Capture
+
+An simple video capture program
+Copyright (c) 2024 Ercan Ersoy
+
+This example shows video display from first webcam.

video-capture/video-capture.py

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+# video Capture - An simple video capture program
+# Copyright (c) 2024 Ercan Ersoy
+# This file licensed under MIT License.
+# Write this code using ChatGPT.
+
+# Imports
+import cv2
+import sys
+
+# Initialize video capture
+capture = cv2.VideoCapture(0)
+
+# Check if the webcam is opened correctly
+if not capture.isOpened():
+    print("Error: Could not open webcam.", file=sys.stderr)
+    exit()
+
+# Continuously capture frames
+while True:
+    # Read the frame
+    ret, frame = capture.read()
+    
+    # If frame is read correctly ret is True
+    if not ret:
+        print("Error: Failed to capture frame.", file=sys.stderr)
+        break
+
+    # Display the frame
+    cv2.imshow('Frame', frame)
+    
+    key_code = cv2.waitKey(1)
+
+    # Break the loop if ESC is pressed
+    if cv2.getWindowProperty("Frame", cv2.WND_PROP_VISIBLE) < 1:
+        break
+
+# Release the video capture object
+capture.release()
+
+# Close windows
+cv2.destroyAllWindows()