there's no need for their values to match the values in the DVB-SI spec
we can summarize basic and extended table definitions
svn path=/trunk/; revision=54297
new function dvb_add_chartbl() adds a tree entry for an encoding
use FT_BTYES as type for encoding hfs
string hfs for DVB-SI strings must have STR_UNICODE, not BASE_NONE
make dvb_string_encoding_vals[] internal to dvb_chartbl.c
svn path=/trunk/; revision=54128