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Get video duration using Python – OpenCV
  • Last Updated : 02 Dec, 2020

Prerequisites: 

OpenCV is one of the most popular cross-platform libraries and it is widely used in Deep Learning, image processing, video capturing, and many more. In this article, we will learn how to get the duration of a given video using python and computer vision. 

Installation

Opencv can be downloaded by running the given command on the terminal:

pip install Opencv

Approach

To get the duration of a video, following steps has to be followed:

  • Import required modules.
  • Create a VideoCapture object  by providing video URL to VideoCapture() method.

Syntax:



VideoCapture("url")
  • Count the total numbers of frames and frames per second of a given video by providing  cv2.CAP_PROP_FRAME_COUNT and cv2.CAP_PROP_FPS to get() method.
  • Calculate the duration of the video in seconds by dividing frames and fps.
  • Also, calculate video time using timedelta() method.

Syntax:

timedelta(time)

Below is the implementation.

Python3




# import module
import cv2
import datetime
  
# create video capture object
data = cv2.VideoCapture('C:/Users/Asus/Documents/videoDuration.mp4')
  
# count the number of frames
frames = data.get(cv2.CAP_PROP_FRAME_COUNT)
fps = int(data.get(cv2.CAP_PROP_FPS))
  
# calculate dusration of the video
seconds = int(frames / fps)
video_time = str(datetime.timedelta(seconds=seconds))
print("duration in seconds:", seconds)
print("video time:", video_time)

Output :

duration in seconds: 32
video time: 0:00:28

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