Python-opencv读取视频流处理后保存成mp4格式的视频源码

源码

import cv2
def main():
    cap1 = cv2.VideoCapture("1.mp4")  # 打开摄像头
    fourcc1 = cv2.VideoWriter_fourcc(*'MP4V')  # 视频编解码器
    fps1 = cap1.get(cv2.CAP_PROP_FPS)  # 帧数
    width1, height = int(cap1.get(cv2.CAP_PROP_frame_WIDTH)), int(cap1.get(cv2.CAP_PROP_frame_HEIGHT))  # 宽高
    out1 = cv2.VideoWriter('result.mp4', fourcc1, fps1, (width1, height))  # 写入视频
    while cap1.isOpened():
        ret, frame = cap1.read()
        if ret == True:
            out1.write(frame)  # 写入帧
            cv2.imshow('frame', frame)
            if cv2.waitKey(1) & 0xFF == ord('q'):  # q退出
                break
        else:
            break
    cap1.release()
    out1.release()
    cv2.destroyAllWindows()


if __name__ == '__main__':
    main()