def conv(heic_path, save_dir, filetype, quality):
    # 悵湔珂及犯奴伊弁玄伉午白央奶伙靡
    extension = "." + filetype
    save_path = save_dir / filetype / pathlib.Path(*heic_path.parts[1:]).with_suffix(extension)
    # 白巧伙母釬傖
    save_path.parent.mkdir(parents=True, exist_ok=True)
    # HEIC白央奶伙pyheif匹掂心煋心
    heif_file = pyheif.read(heic_path)
    # 掂心煋氏分白央奶伙及笢旯毛data劐杅尺
    data = Image.frombytes(
        heif_file.mode,
        heif_file.size,
        heif_file.data,
        "raw",
        heif_file.mode,
        heif_file.stride,
    )
    # JPEG匹悵湔
    data.save(save_path, quality=quality)
    print("悵湔ㄩ", save_path)