python 视频读写源代码

import numpy as np
import c<a href="https://www.knrjk.com/tag/1479" target="_blank">v</a>2 as cv
# 1获取视频对象
cap = cv.VideoCapture('./image/nice.mp4')
# 2.判断是否读取成功
while cap.isOpened():
# 3.获取每一帧图像
ret, frame = cap.read()
# 4.获取成功显示图像
if ret:
cv.imshow('frame', frame)
# 5.每一帧间隔为25ms
if cv.waitKey(25) & 0xFF == ord('q'):
break
# 6释放视频对象
cap.release()
cv.destoryAllwindows()
<span style="color: #cccccc;">)</span>
import numpy as np
import c<a href="https://www.knrjk.com/tag/1479" target="_blank">v</a>2 as cv

# 1获取视频对象
cap = cv.VideoCapture('./image/nice.mp4')
# 2.判断是否读取成功
while cap.isOpened():
    # 3.获取每一帧图像
    ret, frame = cap.read()
    # 4.获取成功显示图像
    if ret:
        cv.imshow('frame', frame)
    # 5.每一帧间隔为25ms
    if cv.waitKey(25) & 0xFF == ord('q'):
        break
# 6释放视频对象
cap.release()
cv.destoryAllwindows()
<span style="color: #cccccc;">)</span>
import numpy as np import cv2 as cv # 1获取视频对象 cap = cv.VideoCapture('./image/nice.mp4') # 2.判断是否读取成功 while cap.isOpened(): # 3.获取每一帧图像 ret, frame = cap.read() # 4.获取成功显示图像 if ret: cv.imshow('frame', frame) # 5.每一帧间隔为25ms if cv.waitKey(25) & 0xFF == ord('q'): break # 6释放视频对象 cap.release() cv.destoryAllwindows() )
python 视频读写源代码插图
THE END