"""
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   File Name：     01-video2jpg.py
   Description :
   Author :      小戀莫小哀
   Email:      xiaowen0392@qq.com
   date：          2019/5/26
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   Change Activity:
                   2019/5/26:
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"""
import cv2
mp4 = cv2.VideoCapture("1.mp4")  # 讀取視頻
is_opened = mp4.isOpened()  # 判斷是否打開
print(is_opened)
fps = mp4.get(cv2.CAP_PROP_FPS)  # 獲取視頻的幀率
print(fps)
widght = mp4.get(cv2.CAP_PROP_FRAME_WIDTH)  # 獲取視頻的寬度
height = mp4.get(cv2.CAP_PROP_FRAME_HEIGHT)  # 獲取視頻的高度
print(str(widght) + "x" + str(height))
i = 0
while is_opened:
    if i == 10:  # 截取前10張圖片
        break
    else:
        i += 1
    (flag, frame) = mp4.read()  # 讀取圖片
    file_name = "iamge" + str(i) + ".jpg"
    print(file_name)
    if flag == True:
        cv2.imwrite(file_name, frame, [cv2.IMWRITE_JPEG_QUALITY])  # 保存圖片
print("轉換完成")