: Create the writer object by specifying the output name, codec, frames per second (FPS), and frame size. out = cv2.VideoWriter('vid_522_output.mp4', fourcc, 20.0, (640, 480)) .
: Ensure the FPS argument is passed as a float to avoid initialization errors on some platforms. About the MP4 Format vid_522.mp4
cv2.VideoWriter fails to write *.mp4 video files #24787 - GitHub : Create the writer object by specifying the
When writing video features, developers often encounter specific issues documented on Stack Overflow : frames per second (FPS)
: While mp4v is standard, some systems (like macOS) may require FMP4 or avc1 to display correctly in certain players.
: Always close the writer to ensure the file is saved correctly. out.release() . Common Technical Hurdles