Low Level Decoding

Modules
	Character set conversion functions
	Helper functions to convert between Closed Caption, Teletext, Unicode and the locale character set.
	DVB VBI demultiplexer
	Extracting VBI data from a DVB PES or TS stream.
	DVB VBI multiplexer
	Converting VBI data to a DVB PES or TS stream.
	Teletext IDL packet demultiplexer
	Functions to decode data transmissions in Teletext Independent Data Line packets (EN 300 708 section 6).
	Teletext Packet 8/30 Decoder
	Functions to decode Teletext packet 8/30 (ETS 300 706).
	VPS/PDC Program ID
	Functions to decode VPS/PDC Program IDs and helper functions.
	Teletext PFC packet demultiplexer
	Functions to decode data transmissions in Teletext Page Function Clear packets (EN 300 708 section 4).
	Video Program System (VPS) Decoder
	Functions to decode and encode VPS packets (EN 300 231, EN 300 468).
	Extended Data Service (XDS) demultiplexer
	Separating XDS data from a Closed Caption stream (EIA 608).

Detailed Description