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MoviePy – Applying Speed effect on Video Clip
  • Last Updated : 01 Aug, 2020

In this article we will see how we can apply speed effect on the video file clip in MoviePy. MoviePy is a Python module for video editing, which can be used for basic operations on videos and GIF’s. Speed up video or slow down also known as fast motion/slow-motion effects in video production, which makes the video clips play faster or slower than original speed.

In order to do this we will use fx method with the VideoFileClip object

Syntax : clip.fx( vfx.speedx, m)

Argument : It takes vfx object and multiplier as argument

Return : It returns VideoFileClip object



Below is the implementation




# Import everything needed to edit video clips
from moviepy.editor import *
   
# loading video dsa gfg intro video
clip = VideoFileClip("dsa_geek.webm")
   
# getting only first 5 seconds
clip = clip.subclip(0, 5)
   
# applying speed effect
final = clip.fx( vfx.speedx, 0.5)
  
# showing final clip
final.ipython_display()

Output :

Moviepy - Building video __temp__.mp4.
Moviepy - Writing video __temp__.mp4

                                                                                                                       
Moviepy - Done !
Moviepy - video ready __temp__.mp4

Another example




# Import everything needed to edit video clips
from moviepy.editor import *
  
# loading video gfg
clip = VideoFileClip("geeks.mp4")
  
  
# getting subclip from it
clip = clip.subclip(0, 9)
  
# applying speed effect
final = clip.fx( vfx.speedx, 2)
  
# showing final clip
final.ipython_display()

Output :

Moviepy - Building video __temp__.mp4.
MoviePy - Writing audio in __temp__TEMP_MPY_wvf_snd.mp3
                                                                                                                       
MoviePy - Done.
Moviepy - Writing video __temp__.mp4

                                                                                                                       
Moviepy - Done !
Moviepy - video ready __temp__.mp4

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