基于openCV的视频查看器

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import os
import cv2

# 视频文件夹路径
folder_path = 'D:/Users/video'

# 获取文件夹中的所有视频文件
video_files = [os.path.join(folder_path, file) for file in os.listdir(folder_path)
               if file.lower().endswith(('.mp4', '.avi', '.mkv'))]

# 创建一个视频播放窗口
cv2.namedWindow('Video Player', cv2.WINDOW_NORMAL)

# 初始化视频索引
current_index = 0
total_videos = len(video_files)

while True:
    # 读取当前索引处的视频文件
    video_path = video_files[current_index]
    video = cv2.VideoCapture(video_path)

    while video.isOpened():
        # 读取视频帧
        ret, frame = video.read()
        if not ret:
            break

        # 显示视频帧
        cv2.imshow('Video Player', frame)

        # 按下 'q' 键退出当前视频
        if cv2.waitKey(1) & 0xFF == ord('q'):
            break

    # 释放当前视频的资源
    video.release()

    # 等待用户按键
    key = cv2.waitKey(0)

    # 根据按键进行操作
    if key == ord('a'):  # 按下 'a' 键退出播放器
        break
    elif key == ord('s'):  # 按下 's' 键播放下一个视频
        current_index = (current_index + 1) % total_videos
    elif key == ord('d'):  # 按下 'd' 键播放上一个视频
        current_index = (current_index - 1) % total_videos

# 关闭窗口
cv2.destroyAllWindows()