Convert MP4 to GIF with OpenCV and Pillow

MP4toGIF-OpenCV.py

import cv2
from PIL import Image


def getCroppedFrames(movie, crop_size, resize_size):
  ret_images = []

  while True:
    ret, bgr_images = movie.read()

    if ret:
      cropped_images = bgr_images[0:crop_size["h"], 0:crop_size["w"]]
      resized_images = cv2.resize(cropped_images, (resize_size["w"], resize_size["h"]))
      rgb_images = cv2.cvtColor(resized_images, cv2.COLOR_BGR2RGB)
      pillow_images = Image.fromarray(rgb_images)
      ret_images.append(pillow_images)
    else:
      return ret_images


def makeGIF(path, images, fps):
  dur = int(1000.0 / fps)
  images[0].save(path, save_all=True, append_images=images[1:], duration=dur, loop=0)
    

folder_path = '/content/drive/MyDrive/20230404/'
movie_name = 'screen-20230331-142030.mp4'
gif_name =  '20230404.gif'
source_path = folder_path + movie_name
target_path = folder_path + 'pillow' + gif_name
fps = 12

my_movie = cv2.VideoCapture(source_path)

# [height, width]
crop_size = {"h":1392, "w":1800}
resize_size = {"h":495, "w":640}
images = getCroppedFrames(my_movie, crop_size, resize_size)

#fps = my_movie.get(cv2.CAP_PROP_FPS)
makeGIF(target_path, images, fps)