Vid_522.mp4

: While mp4v is standard, some systems (like macOS) may require FMP4 or avc1 to display correctly in certain players.

: For MP4 files, the mp4v codec is widely used. You can define it using: fourcc = cv2.VideoWriter_fourcc(*'mp4v') . vid_522.mp4

28 Dec 2023 — The first of these lines causes the file filename.avi to be written, but the second line doesn't cause filename.mp4 to be written: MP4 files explained: How to open and use - Adobe : While mp4v is standard, some systems (like

: This often occurs if the frame size passed to VideoWriter does not exactly match the actual dimensions of the frames being written. 28 Dec 2023 — The first of these

When writing video features, developers often encounter specific issues documented on Stack Overflow :

: Within a loop that processes your video input, use the write() method to save each frame. out.write(frame) .

: Ensure the FPS argument is passed as a float to avoid initialization errors on some platforms. About the MP4 Format