1+ from cv2 import cv2
2+ 3+ # take the input video
4+ cap = cv2 .VideoCapture ('videos/input.mp4' )
5+ 6+ # We need to set resolutions.
7+ # so, convert them from float to integer.
8+ frame_width = int (cap .get (3 ))
9+ frame_height = int (cap .get (4 ))
10+ 11+ size = (frame_width , frame_height )
12+ 13+ # get the frame rate of the input video
14+ fps = cap .get (cv2 .CAP_PROP_FPS )
15+ print ("Frames per second using video.get(cv2.CAP_PROP_FPS) : {0}" .format (fps ))
16+ 17+ # Below VideoWriter object will create
18+ # a frame of above defined The output
19+ # is stored in 'videos/output' file.
20+ result = cv2 .VideoWriter ('videos/output.avi' , cv2 .VideoWriter_fourcc (* 'MJPG' ), fps , size )
21+ 22+ print ("processing started..." )
23+ 24+ # continue till the video is not over...
25+ while (cap .isOpened ()):
26+ 27+ # Capture frame-by-frame from the video
28+ ret , frame = cap .read ()
29+ if ret == True :
30+ 31+ # describe the type of font to be used.
32+ font = cv2 .FONT_HERSHEY_SIMPLEX
33+ 34+ # Use putText() method for inserting text on video
35+ # Parameters:-
36+ # frame: current running frame of the video.
37+ # Text: The text string to be inserted.
38+ # org: bottom-left corner of the text string
39+ # font: the type of font to be used.
40+ # color: the colour of the font.
41+ # thickness: the thickness of the font
42+ 43+ cv2 .putText (frame , 'HELLO WORLD' , (50 , 50 ), font , 1 , (0 , 255 , 255 ), 2 , cv2 .LINE_4 )
44+ # write in the output file
45+ result .write (frame )
46+ 47+ # Display the resulting frame
48+ cv2 .imshow ('video' , frame )
49+ 50+ # creating 'q' as the quit button for the video
51+ if cv2 .waitKey (1 ) & 0xFF == ord ('q' ):
52+ break
53+ else :
54+ break
55+ 56+ 57+ # release the cap object
58+ cap .release ()
59+ result .release ()
60+ 61+ # close all windows
62+ cv2 .destroyAllWindows ()
63+ 64+ print ("Video successfully saved inside the videos folder" )
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