pinnet / vbit2

Teletext streaming. This replaces the earlier vbit-pi-stream using C++ and a much more CPU efficient method.

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VBIT2

An installation guide and more can be found in the github wiki.

About

This program takes a set of teletext page files and generates a feature rich transmission stream on stdout.

The transmission stream can be piped to raspi-teletext or any other application that needs a teletext packet stream. It is a console application that can be compiled for Raspberry Pi or Windows.

It generates a T42 teletext stream that can be piped to raspi-teletext to add a teletext signal to the Raspberry Pi composite output, vbit-py to drive a Vbit teletext inserter board, or into the vbit-iv in-vision renderer.

VBIT2 can also optionally generate output a Packetized Elementary Stream for insertion into an MPEG transport stream for DVB teletext.

Features

VBIT2 includes the following features:

  • Parallel mode transmission of teletext magazines.
  • Cycling subpage carousels.
  • Level 1.5 and 2.5 features including dynamic character and object downloading pages and Packet 29 insertion.
  • Format 1 Broadcast Service Data Packet generation with automatic daylight saving time.
  • Fastext and TOP navigation support.

About

Teletext streaming. This replaces the earlier vbit-pi-stream using C++ and a much more CPU efficient method.


Languages

Language:C++ 89.7%Language:Python 7.7%Language:Shell 2.4%Language:Makefile 0.2%Language:C 0.0%