[poppler] Encoding of font names

[Albert Astals Cid]

Today I've been working on trying to fix the names reported by pdffonts for 
non latin1 fonts, I have not got anything very clear while reading the spec, 
but I understood that the BaseFont string is encoded using the /Encoding 
encoding. This has worked fine for some files but not for all like one that 
says
/BaseFont /#CB#CE#CC#E5
/Encoding /UniGB-UCS2-H
If i try to map that to Unicode i get nothing. And Adobe Reader properly maps 
that to 宋体

Any idea what is the proper manipulation one has to do over BaseFont to get 
the Unicode value?

Albert