python+opencv 将视频保存成 gif 动图

参考博客：https://blog.csdn.net/islinyoubiao/article/details/104978563

直接放代码吧

import cv2
import imageio

def read_video(video_path):
	video_cap = cv2.VideoCapture(video_path)
	frame_count = 0
	all_frames = []
	while True:
		ret, frame = video_cap.read()
		if ret is False:
			break
		frame = frame[..., ::-1]   # opencv读取BGR，转成RGB
		all_frames.append(frame)
		cv2.imshow('frame', frame)
		cv2.waitKey(1)
		frame_count += 1
		print(frame_count)
	video_cap.release()
	cv2.destroyAllWindows()
	print('===>', len(all_frames))

	return all_frames


def frame_to_gif(frame_list):
	gif = imageio.mimsave('./result.gif', frame_list, 'GIF', duration=0.00085)  
	# duration 表示图片间隔


if __name__ == "__main__":
	frame_list = read_video('demo.mp4')
	frame_to_gif(frame_list)

如果是一系列图片存成 gif ，就直接将图片读到列表里，然后再调用 frame_to_gif 函数就可以了~