[mythtv-users] Teletext when using the pvr350 decoder

[Petter Gundersen]

On 10/30/06, Brad DerManouelian <myth at dermanouelian.com> wrote:
> On Oct 29, 2006, at 5:41 PM, Petter Gundersen wrote:
>
> > I'm having trouble getting teletext working while using the pvr350
> > decoder. The same problem is reported in this thread, but no solution:
> > http://www.gossamer-threads.com/lists/mythtv/users/205520
> >
> > I have a recording with vbi data embedded (VBI format set to 'PAL
> > Teletext' in mythtv-setup). If I watch the recording on mythfrontend
> > on my computer monitor I can enable the Teletext Menu and everything
> > is working as it should. However, when I try to use teletext while
> > watching the same recording on my tv using the pvr350 mpeg decoder I
> > only get a message saying "Page not available".  Is there any
> > technical reason that I can't use teletext while using the pvr350
> > decoder, or is it a bug?
>
> You need to use the frame buffer if you want teletext. The mpeg2
> decoder doesn't support it. Although, some people reported having
> success using the MP2 decoder and turning on closed captioning on
> their TV, but it never worked for me.
>

I guess you're right. As far as I can tell from the source, myth
doesn't extract the vbi data from the stream when the decoder is used.
Ivtv only supports vbi passthrough to the decoder for cc, widescreen
and vps data, so it's not possible to use the tv's teletext decoder
either.

Regards,
Petter