How to obtain album images for songs in the music player

How to obtain self-contained album pictures and non-album pictures in a song
1. album pictures in a song
Extract the compressed image data that comes with the music file as the album cover.
2. No album image is included in the song
If there is no image data in the music file, search for the albumart.jpg file in the file;
If albumart.jpg does not exist, search for files starting with albumart.jpg and ending with large.jpg;
If the files ending with large.jpg do not exist at the beginning of albumart, find any. jpg files whose names contain albumart.jpg;
If you cannot find another file, you can use the folder to find any. JPG file;
If none of the above match, the album art will be used.

How to obtain album images for songs in the music player