使用python-opencv读取视频,计算视频总帧数及FPS的实现

如下所示：

1、计算总帧数

import os
import cv2
 
video_cap = cv2.VideoCapture('ffmpeg_test.avi')
 
frame_count = 0
all_frames = []
while(True):
  ret, frame = video_cap.read()
  if ret is False:
    break
  all_frames.append(frame)
  frame_count = frame_count + 1
 
# The value below are both the number of frames
print frame_count
print len(all_frames)

2、计算视频中的FPS，即每秒传输帧数（Frames per second）

import cv2
if __name__ == '__main__' :
 
  video = cv2.VideoCapture("video.mp4");
 
  # Find OpenCV version
  (major_ver, minor_ver, subminor_ver) = (cv2.__version__).split('.')
 
  if int(major_ver) < 3 :
    fps = video.get(cv2.cv.CV_CAP_PROP_FPS)
    print "Frames per second using video.get(cv2.cv.CV_CAP_PROP_FPS): {0}".format(fps)
  else :
    fps = video.get(cv2.CAP_PROP_FPS)
    print "Frames per second using video.get(cv2.CAP_PROP_FPS) : {0}".format(fps)
 
  video.release();

以上这篇使用python-opencv读取视频,计算视频总帧数及FPS的实现就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持三水点靠木。