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MoviePy – Adding Mask to Video File Clip
  • Last Updated : 30 Aug, 2020

In this article we will see how we can add mask to 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. IsMask property tells that if the given video clip is mask or not, mask is basically that video which is used as mask for the another video. We can make a video clip as mask with the help of set_ismask method. Adding mask gives copy of the clip with a completely opaque mask (made of ones). This makes computations slower compared to having a None mask but can be useful in many cases.

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

Syntax : clip.add_mask()

Argument : It takes no argument

Return : It returns VideoFileClip object



Below is the implementation

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# Import everything needed to edit video clips 
from moviepy.editor import *
    
# loading video dsa gfg intro video 
clip = VideoFileClip("dsa_geek.mp4"
     
# getting only first 5 seconds
clip = clip.subclip(0, 5)
  
# add mask to the clip
clip = clip.add_mask()
  
  
# displaying new clip
clip.ipython_display(width = 420)

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Output :

Clip is Mask  : False
Moviepy - Building video __temp__.mp4.
Moviepy - Writing video __temp__.mp4

                                                                                                                       
Moviepy - Done !
Moviepy - video ready __temp__.mp4

Another example

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# Import everything needed to edit video clips
from moviepy.editor import *
  
# loading video gfg
clip = VideoFileClip("geeks.mp4")
  
  
# getting only first 5 seconds
clip = clip.subclip(0, 5)
  
# add mask to the clip
clip = clip.add_mask()
  
  
# displaying new clip
clip.ipython_display(width = 420)

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Output :

Clip is Mask  : True
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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