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June 13, 2024 19:09
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Zoom-in Effect for Moviepy. This function makes the zoom effect smoother.
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import moviepy.editor as mp | |
import math | |
from PIL import Image | |
import numpy | |
def zoom_in_effect(clip, zoom_ratio=0.04): | |
def effect(get_frame, t): | |
img = Image.fromarray(get_frame(t)) | |
base_size = img.size | |
new_size = [ | |
math.ceil(img.size[0] * (1 + (zoom_ratio * t))), | |
math.ceil(img.size[1] * (1 + (zoom_ratio * t))) | |
] | |
# The new dimensions must be even. | |
new_size[0] = new_size[0] + (new_size[0] % 2) | |
new_size[1] = new_size[1] + (new_size[1] % 2) | |
img = img.resize(new_size, Image.LANCZOS) | |
x = math.ceil((new_size[0] - base_size[0]) / 2) | |
y = math.ceil((new_size[1] - base_size[1]) / 2) | |
img = img.crop([ | |
x, y, new_size[0] - x, new_size[1] - y | |
]).resize(base_size, Image.LANCZOS) | |
result = numpy.array(img) | |
img.close() | |
return result | |
return clip.fl(effect) | |
size = (1920, 1080) | |
images = [ | |
'https://www.colorado.edu/cumuseum/sites/default/files/styles/widescreen/public/slider/coachwhip2_1.jpg', | |
'https://www.colorado.edu/cumuseum/sites/default/files/styles/widescreen/public/slider/green2_1.jpg', | |
'https://www.colorado.edu/cumuseum/sites/default/files/styles/widescreen/public/slider/westterrgarter_1.jpg', | |
'https://www.colorado.edu/cumuseum/sites/default/files/styles/widescreen/public/slider/prairierattle4.jpg' | |
] | |
slides = [] | |
for n, url in enumerate(images): | |
slides.append( | |
mp.ImageClip(url).set_fps(25).set_duration(5).resize(size) | |
) | |
slides[n] = zoom_in_effect(slides[n], 0.04) | |
video = mp.concatenate_videoclips(slides) | |
video.write_videofile('zoomin.mp4') |
Thankyou!
Not really doing anything for me. Is this just for images or also for videoclips?
Not really doing anything for me. Is this just for images or also for videoclips?
It only works for images as far as I can see. I guess you would have to get the individual frames as images and feed them in instead.
much thanks, keep the heat up. and do so for a video too
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Thanks you, this is perfect working