Update OpenCV Code to Prevent Program Crash #4
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ret is a boolean variable returned by the cap.read() function. This function reads the next frame from the video file or camera, and returns True if a frame is successfully read and False if it fails to read a frame. Therefore, the if not ret condition checks if the frame was successfully read. If the frame was not read (i.e. ret is False), it breaks out of the while loop using the break statement. This is necessary because if there are no more frames to read from the video file, the loop should exit gracefully.
ret is a boolean variable returned by the cap.read() function. This function reads the next frame from the video file or camera, and returns True if a frame is successfully read and False if it fails to read a frame. Therefore, the if not ret condition checks if the frame was successfully read. If the frame was not read (i.e. ret is False), it breaks out of the while loop using the break statement. This is necessary because if there are no more frames to read from the video file, the loop should exit gracefully.
…capture-video Added error handling for video capture in OpenCV code
Add check for successful video frame capture
README updated to reflect repository’s archived status.
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retis a boolean variable returned by thecap.read()function. This function reads the next frame from the video file or camera, and returnsTrueif a frame is successfully read andFalseif it fails to read a frame.Therefore, the
if not retcondition checks if the frame was successfully read. If the frame was not read (i.e.retisFalse), it breaks out of thewhileloop using thebreakstatement. This is necessary because if there are no more frames to read from the video file, the loop should exit gracefully.