我对 HEIC 缩略图有疑问。
我可以heic通过图像查看器打开文件，但是无法显示缩略图。
当我尝试heif-thumbnailer通过运行安装时
sudo apt-get install heif-thumbnailer
我收到以下消息：
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
heif-thumbnailer : Depends: libheif1 (= 1.9.1-1~ppa1~ubuntu20.04.1) but it is not going to …