【Python-opencv视频取帧】

Python-opencv视频取帧

import cv2
import os
from tqdm import tqdm

video_path = './shuangmu_biaoding/11_10-02/11_10-02_left/MVI_1773.MOV'
frame_save_path ='./shuangmu_biaoding/11_10-02/11_10-02_left/MVI_1773_frame/'

if not os.path.exists(frame_save_path):
    os.makedirs(frame_save_path)

i = 0
video = cv2.VideoCapture(video_path)
FPS = video.get(cv2.CAP_PROP_FPS)
print('fps: ', FPS)
while True:
    ret, frame = video.read()
    if ret:
        if i% 2 == 0:
            cv2.imwrite(frame_save_path+ 'frame_%d.jpg'%i, frame)
        i+= 1
        cv2.waitKey(1)
    else:
        break
cv2.destroyAllWindows()  # 清除缓存退出
video.release()