Dirk Meyer wrote:
Hi
Duncan Webb wrote:
Another nice feature is that you can run an X server on the card and
connect a Scart, s-video or composite cable to the TV (requires a
bit more horsepower than a DirectFB/SDL solution but no screen
flicker.) I'm not selling TV cards ;-)
When Tack is done with the canvas stuff, it would be great to have a
"native" ivtv output display.
This would be nice, the ivtv TV-out is as good as the Matrox TV out.
There's only one problem with the ivtvfb
and that's it doesn't support mmap.
Without reading the source, how do you get the data? Do you use an
external lib like libzvbi?
f the input device is /dev/video0 then the program just reads it and
writes to the output file; the card also writes the vbi data to
/dev/vbi0 and
the program reads this in a separate thread, processes it and writes a
srt file. It can be terminated with either a signal or a duration.
So the teletext data is in the video stream? This is even simpler than
I expected.
Not just teletext but the VPS (Video programming signal), WSS (Wide
screen signalling) and CC (closed captioning) can all be
embedded in the mpeg stream. By default the signals are not enabled. A
ivtvctl -x 1 -b teletext,wss,vps,cc embeds all. AFAIK CC and teletext
are for NTSC and PAL respectively.
Thanks for the TV_CHANNELS
BTW I've a new version of vbi2srt that enables colours, MPlayer doesn't
respect the the colour codes the subtitles are displayed in white.
Fixed is a problem with ORF1, who are transmitting normal teletext pages
on the same page number as the teletext lines.
Here is the updated version
http://www.linuxowl.com/software/vbi2srt-0.1.3.tar.bz2 and here are two
photos of My Hero with
Czech subtitles http://www.linuxowl.com/screenshots-vbi2srt/ the
subtitles are better than teletext version as there is no black border.
Looking forward to installing the svn version of freevo.
Cheers,
Duncan
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