[linux-dvb] DiB0700 firmware - next try

Markus Rechberger mrechberger at gmail.com
Sat Sep 22 14:59:13 CEST 2007

On 9/22/07, Aidan Thornton <makosoft at googlemail.com> wrote:
> On 9/22/07, Markus Rechberger <mrechberger at gmail.com> wrote:
> > On 9/22/07, David Harvey <dcharvey at dsl.pipex.com> wrote:
> > > Thanks Soeren,
> > >
> > > I'm just working out how I can free up my single epia pci slot
> (currently
> > > running my sata card) so I can persue the pci dvb solution...  Is there
> > > anything recommended with solid support? (as I mistakenly thought nova-t
> in
> > > all its incarnations worked so don't want to make the same mistake
> twice!)
> > > I've been messing about with my freecom and nova-t usb sticks for so
> long
> > > now
> > > that I can't wait to stop tinkering (which is something I thought I'd
> never
> > > say! :) )
> > >
> >
> > If you're looking for a stable hardware usb solution I can say that
> > solutions from Empiatech just work fine in most cases :-)
> > (the exceptions will be cleared up within the next few months)
> >
> > http://mcentral.de/wiki/index.php/Em2880
> >
> > mailinglist:
> > http://mcentral.de/pipermail/em28xx/
> >
> > (just avoid to buy the devices which are in question there, although
> > _all_ empia devices will experience a great improvement in future)
> > Beside just writing about that. Empia has customers who are interested
> > in Linux support and Empia itself is interested in getting those
> > customers satisfied.
> >
> I have to warn you, however, that the Linux driver for these devices
> hasn't been merged into the kernel and it's far from clear that it
> ever will be. (All the usual caveats of a non-merged driver apply -
> you have to recompile it manually every time you upgrade your kernel,
> you're reliant on the driver author to update it every time the kernel
> API changes, etc.)

It's none of linuxtv's business anymore so I don't see a problem
anymore in that area.

> The driver (mostly) works, though, and the hardware seems to be decent
> (I'm quite happy with mine, even though it sometimes requires some
> fiddling to get it working again after rebooting or starting up the
> system).The one thing the driver doesn't support is
> VBI/teletext/closed captions on analog TV.

teletext is not enabled in the driver due the VBI offsets for
different videostandards.
The raw VBI signal is part of the video and ontop of the actual video
frames, if the offset is set to a wrong value the video would be
shifted (this is the main reason why it's disabled).
If you need some hints for enabling it for PAL-I let me know.
upcoming devices additionally have radiosupport as well.


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