本文實例為大家分享了python實現視頻分幀的具體代碼，供大家參考，具體內容如下

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：將視頻的每一幀提取并保存

# coding=utf-8

import os

import cv2

videos_src_path = "/home/wgp/視頻/"

video_formats = [".MP4", ".MOV"]

frames_save_path = "/home/wgp/視頻/"

width = 320

height = 240

time_interval = 50

def video2frame(video_src_path, formats, frame_save_path, frame_width, frame_height, interval):

"""

將視頻按固定間隔讀取寫入圖片

:param video_src_path: 視頻存放路徑

:param formats:　包含的所有視頻格式

:param frame_save_path:　保存路徑

:param frame_width:　保存幀寬

:param frame_height:　保存幀高

:param interval:　保存幀間隔

:return:　幀圖片

"""

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 "正在讀取視頻：", 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("讀取失敗!")

while(success):

success, frame = cap.read()

print "---> 正在讀取第%d幀:" % 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)

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持腳本之家。

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