vwriter.py 文件源码

def webcam_capture_video(output = 'webcam.avi', duration = 5):
    w = VideoWriter(output = output)
    cap = cv2.VideoCapture(0)
    t = t0 = time.time()
    t1 = t + duration
    md = []
    while (t < t1):
        _,f = cap.read()
        w.addFrame(f)
        md.append(t)
        t = time.time()
    w.finalise()
    print("Captured %d frames to %s in %f\n" % (len(md), output, (t - t0)))