Python OpenCV读取视频报错的问题解决_python

# -*-coding:utf-8-*-
"""
File Name: read_video.py
Program IDE: PyCharm
Create File By Author: Hong
"""
import cv2


def read_video(video_path: str):
    """
    OpenCV读视频小工具，解决视频读完报错的问题
    :param video_path: 输入需要读取的视频文件路径
    :return: 没有返回值
    """
    print('视频路径：', video_path)
    cap = cv2.VideoCapture(video_path)
    while cap.isOpened():
        # get a frame
        ret, frame = cap.read()

        cv2.imshow("capture", frame)

        if cv2.waitKey(1) & 0xFF == ord('q'):
            break
    print('视频读完！')
    cap.release()
    cv2.destroyAllWindows()


if __name__ == '__main__':
    path = r'D:\multi_insect_videos\multi_object00.mp4'
    read_video(path)

Traceback (most recent call last):
  File "E:/PyCharmDocument/create_ST_image/multi_insect_processing/crop_video_to_images.py", line 76, in <module>
    read_video(path)
  File "E:/PyCharmDocument/create_ST_image/multi_insect_processing/crop_video_to_images.py", line 65, in read_video
    cv2.imshow("capture", frame)
cv2.error: OpenCV(4.5.3) C:\Users\runneradmin\AppData\Local\Temp\pip-req-build-uzca7qz1\opencv\modules\imgproc\src\color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor'

# -*-coding:utf-8-*-
"""
File Name: read_video.py
Program IDE: PyCharm
Create File By Author: Hong
"""
import cv2


def read_video(video_path: str):
    """
    OpenCV读视频小工具，解决视频读完报错的问题
    :param video_path: 输入需要读取的视频文件路径
    :return: 没有返回值
    """
    print('视频路径：', video_path)
    cap = cv2.VideoCapture(video_path)
    while cap.isOpened():
        # get a frame
        ret, frame = cap.read()
        if not ret:
            break
        cv2.imshow("capture", frame)

        if cv2.waitKey(1) & 0xFF == ord('q'):
            break
    print('视频读完！')
    cap.release()
    cv2.destroyAllWindows()


if __name__ == '__main__':
    path = r'D:\multi_insect_videos\multi_object00.mp4'
    read_video(path)

视频路径： D:\multi_insect_videos\multi_object00.mp4
视频读完！

Process finished with exit code 0