process_video.py

import cv2

def process_video(input_path, output_path):
    cap = cv2.VideoCapture(input_path)
    if not cap.isOpened():
        print(f"Error: Cannot open video file {input_path}")
        return
    
    fourcc = cv2.VideoWriter_fourcc('m', 'p', '4', 'v')
    fps = cap.get(cv2.CAP_PROP_FPS)
    width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
    height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
    print(f"Width: {width}; Height: {height}; FPS: {fps}")
    out = cv2.VideoWriter(output_path, fourcc, fps, (width, height))
    
    if not out.isOpened():
        print(f"Error: Cannot open video writer {output_path}")
        return
    
    frame_count = 0
    while True:
        ret, frame = cap.read()
        if not ret:
            break
        out.write(frame)
        frame_count += 1
    
    cap.release()
    out.release()

process_video("videos/testvideo3.mp4", "videos/newvid.mp4")