Low Level Decoding

## Topics

| 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