python中对heic、heif格式图片转jpg_python 把heic文件转换成jpg

一开始从网上其它地方查找到代码是下面这个样子的

import whatimage
import pyheif
from PIL import Image
heic_img_path = "h.heic"
with open(heic_img_path, 'rb') as f:
	heic_img = f.read()
	img_format = whatimage.identify_image(heic_img)
	if img_format in ['heic']:
            img = pyheif.read_heif(heic_img)
            pi = Image.frombytes(mode=img.mode, size=img.size, data=img.data)
            pi.save("heic.jpg", format="jpeg")
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但我在ubuntu系统中测试发现，转换后的jpg图片是乱的，因此后面采用下面这种方式，测试是可以成功转换的。

import whatimage
import pyheif
from PIL import Image
from pillow_heif import register_heif_opener

register_heif_opener()

heic_img_path = "h.heic"

with open(heic_img_path, 'rb') as f:
	heic_img = f.read()
	img_format = whatimage.identify_image(heic_img)
	if img_format in ['heic']:
            pi = Image.open(heic_img_path)
            pi.save("heic.jpg")
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