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# ---------------------------------------------------------------------- # 2️⃣ INITIALIZE webcam # ---------------------------------------------------------------------- cap = cv2.VideoCapture(CAM_INDEX) cap.set(cv2.CAP_PROP_FRAME_WIDTH, FRAME_WIDTH) cap.set(cv2.CAP_PROP_FRAME_HEIGHT, FRAME_HEIGHT) cap.set(cv2.CAP_PROP_FPS, FPS)

# Close stdin to tell ffmpeg we’re done, then wait for it to finish muxing process.stdin.close() process.wait() kaamuk shweta cam show wid facemp4 work

| Item | Why it’s needed | Quick install | |------|----------------|---------------| | | Runs the script | https://www.python.org/downloads/ | | OpenCV‑Python | Reads the webcam and shows a live preview | pip install opencv-python | | ffmpeg (binary) | Encodes the raw frames into an MP4 container | Windows : https://ffmpeg.org/download.html → add ffmpeg.exe to PATH macOS : brew install ffmpeg Linux : sudo apt‑get install ffmpeg | | ffmpeg‑python (optional) | Calls FFmpeg from Python without building command strings | pip install ffmpeg-python | kaamuk shweta cam show wid facemp4 work