Take screenshot of video python

import cv2
import os
import time

def get_frames(inputFile,outputFolder,step,count):

  '''
  Input:
    inputFile - name of the input file with directoy
    outputFolder - name and path of the folder to save the results
    step - time lapse between each step (in seconds)
    count - number of screenshots
  Output:
    'count' number of screenshots that are 'step' seconds apart created from video 'inputFile' and stored in folder 'outputFolder'
  Function Call:
    get_frames("test.mp4", 'data', 10, 10)
  '''

  #initializing local variables
  step = step
  frames_count = count

  currentframe = 0
  frames_captured = 0

  #creating a folder
  try:  
      # creating a folder named data 
      if not os.path.exists(outputFolder): 
          os.makedirs(outputFolder) 
    
  #if not created then raise error 
  except OSError: 
      print ('Error! Could not create a directory') 
  
  #reading the video from specified path 
  cam = cv2.VideoCapture(inputFile) 

  #reading the number of frames at that particular second
  frame_per_second = cam.get(cv2.CAP_PROP_FPS)

  while (True):
      ret, frame = cam.read()
      if ret:
          if currentframe > (step*frame_per_second):  
              currentframe = 0
              #saving the frames (screenshots)
              name = './data/frame' + str(frames_captured) + '.jpg'
              print ('Creating...' + name) 
              
              cv2.imwrite(name, frame)       
              frames_captured+=1
              
              #breaking the loop when count achieved
              if frames_captured > frames_count-1:
                ret = False
          currentframe += 1           
      if ret == False:
          break
  
  #Releasing all space and windows once done
  cam.release()
  cv2.destroyAllWindows()

Source: stackoverflow.com

Similar codes

0 vote176 views1 answer
Python loop through files in directory recursively
Python
2 votes170 views1 answer
Fstring number format python
Python
13 votes188 views1 answer
Python clear the printed text
Python
1 vote637 views1 answer
Pandas dataframe convert yes no to 0 1
Python
7 votes267 views2 answers
Cv2 load image
Python
11 votes200 views6 answers
If statement in python
Python
8 votes189 views2 answers
Size of folder in mb linux
Python
26 votes201 views2 answers
Python clock
Python
0 vote148 views1 answer
/usr/local/lib/python3.7/dist-packages/pytube/captions.py in xml_caption_to_srt(self, xml_captions)
Python
0 vote215 views1 answer
From flask import Flask app = Flask(__name__) @app.route('/',methods = ('GET')) def home(): return ('Hello World!!1') if __name__== '_main_': app.run()
Python Flask