
: The frame size passed to VideoWriter must exactly match the size of the images being written.
: Verify the file name matches your local directory exactly. VID_20220223_120705_235.mp4
import cv2 import os def process_video_feature(file_path): # 1. Check if the file exists if not os.path.exists(file_path): print(f"Error: File {file_path} not found.") return # 2. Capture the video cap = cv2.VideoCapture(file_path) if not cap.isOpened(): print("Error: Could not open video.") return # 3. Extract Metadata (The 'Feature') width = cap.get(cv2.CAP_PROP_FRAME_WIDTH) height = cap.get(cv2.CAP_PROP_FRAME_HEIGHT) fps = cap.get(cv2.CAP_PROP_FPS) frames = cap.get(cv2.CAP_PROP_FRAME_COUNT) print(f"--- Video Features: {file_path} ---") print(f"Resolution: {int(width)}x{int(height)}") print(f"Frame Rate: {fps} FPS") print(f"Total Frames: {int(frames)}") print(f"Duration: {frames / fps:.2f} seconds") cap.release() # Run the feature process_video_feature('VID_20220223_120705_235.mp4') Use code with caution. Copied to clipboard Common Troubleshooting : The frame size passed to VideoWriter must
If your script runs but results in an empty file or 0 bytes, common fixes on Stack Overflow include: Check if the file exists if not os
: Ensure you are using the correct codec for .mp4 (usually 'mp4v' or 'avc1' ).