mirror of
https://git.FreeBSD.org/ports.git
synced 2024-11-04 22:33:27 +00:00
37df4c349d
A program to read /dev/vbi0 and extract various data including Videotext/Teletext as .vtx files, Intercast data and VPS signals.
22 lines
710 B
Plaintext
22 lines
710 B
Plaintext
vbidecode - VBI data decoder
|
|
Copyright (C) 1997,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
|
|
|
|
Vbidecode decodes some of the data structures that are transmitted in the
|
|
VBI (Vertical Blanking Interval) of television transmissions.
|
|
It can decode the following formats, with some restrictions for NTSC users.
|
|
|
|
- videotext/teletext
|
|
text based information pages (40x25 characters)
|
|
|
|
- intercast
|
|
WWW pages transmitted via line 31 videotext in a kind of compressed
|
|
SLIP format
|
|
|
|
- VPS
|
|
channel information and signals for automatic start/stop of VCRs
|
|
|
|
- Videocrypt 1 and 2
|
|
|
|
VBI data is read from /dev/vbi0 which is provided by a Video Capture
|
|
card such as those using the Bt848/Bt878 family of video capture chips.
|