Python 视频分帧

import cv2  
vidcap = cv2.VideoCapture('005.avi')  
success,image = vidcap.read()  
count = 0  
success = True  
while success:  
  success,image = vidcap.read()  
  cv2.imwrite("frame%d.jpg" % count, image)     # save frame as JPEG file  
  if cv2.waitKey(10) == 27:                       
      break  
  count += 1  

python tools：将视频的每一帧提取并保存https://blog.csdn.net/u010167269/article/details/53268686

# coding=utf-8  
  
import os  
import cv2  
  
videos_src_path = "/home/wgp/视频/"  
video_formats = [".MP4", ".MOV"]  
frames_save_path = "/home/wgp/视频/"  
width = 320  
height = 240  
time_interval = 50  
  
  
def video2frame(video_src_path, formats, frame_save_path, frame_width, frame_height, interval):  
    """  
    将视频按固定间隔读取写入图片  
    :param video_src_path: 视频存放路径  
    :param formats:　包含的所有视频格式  
    :param frame_save_path:　保存路径  
    :param frame_width:　保存帧宽  
    :param frame_height:　保存帧高  
    :param interval:　保存帧间隔  
    :return:　帧图片  
    """  
    videos = os.listdir(video_src_path)  
  
    def filter_format(x, all_formats):  
        if x[-4:] in all_formats:  
            return True  
        else:  
            return False  
  
    videos = filter(lambda x: filter_format(x, formats), videos)  
  
    for each_video in videos:  
        print "正在读取视频：", each_video  
  
        each_video_name = each_video[:-4]  
        os.mkdir(frame_save_path + each_video_name)  
        each_video_save_full_path = os.path.join(frame_save_path, each_video_name) + "/"  
  
        each_video_full_path = os.path.join(video_src_path, each_video)  
  
        cap = cv2.VideoCapture(each_video_full_path)  
        frame_index = 0  
        frame_count = 0  
        if cap.isOpened():  
            success = True  
        else:  
            success = False  
            print("读取失败!")  
  
        while(success):  
            success, frame = cap.read()  
            print "---> 正在读取第%d帧:" % frame_index, success  
  
            if frame_index % interval == 0:  
                resize_frame = cv2.resize(frame, (frame_width, frame_height), interpolation=cv2.INTER_AREA)  
                # cv2.imwrite(each_video_save_full_path + each_video_name + "_%d.jpg" % frame_index, resize_frame)  
                cv2.imwrite(each_video_save_full_path + "%d.jpg" % frame_count, resize_frame)  
                frame_count += 1  
  
            frame_index += 1  
  
    cap.release()  
  
  
if __name__ == '__main__':  
    video2frame(videos_src_path, video_formats, frames_save_path, width, height, time_interval)