On Wednesday 06 February 2008 05:28:33 Bryan Henderson wrote:
> I've seen various versions of this question in the archive, none
> answered, but I thought I'd try a more general version of it:
>
> An IVTV device is capable of embedding VBI information such as closed
> captions in the MPEG stream it produces.
>
> Is there anything that can use that information?
MythTV can.
> I think I read that the format is an IVTV invention.
It is. There are some technical reasons for doing it this way, but I've
always kept the door open to implementing a more standard format. It
would be cool if someone would take up the gauntlet and implement it,
but it's not the easiest of tasks to do.
In general VBI support in ivtv is very fragile. In fact it is not
working reliably right now. The core reason is that the firmware seems
to do weird things when capturing VBI that I've never been able to
figure out.
Regards,
Hans
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