cv2.VideoWriter fails to write *.mp4 video files #24787 - GitHub
To "write" a feature for an MP4 file in Python, you typically use the OpenCV library . The primary tool for this is cv2.VideoWriter . vid_522.mp4
: This often occurs if the frame size passed to VideoWriter does not exactly match the actual dimensions of the frames being written. vid_522.mp4
: While mp4v is standard, some systems (like macOS) may require FMP4 or avc1 to display correctly in certain players. vid_522.mp4
: Always close the writer to ensure the file is saved correctly. out.release() . Common Technical Hurdles