[mythtv-users] Re: Commercial Flagging, what are the best

Isaac Richards ijr at case.edu
Wed Dec 21 18:07:05 EST 2005

On Wednesday 21 December 2005 17:58, Kevin Kuphal wrote:
> Isaac Richards wrote:
> >On Wednesday 21 December 2005 17:39, Kevin Kuphal wrote:
> >>Boleslaw Ciesielski wrote:
> >>>Kevin Kuphal wrote:
> >>>>In looking further, recent SVN changes have the skeleton for XDS
> >>>>parsing but nothing is done with the data.  My PVR-150 is putting
> >>>>data into /dev/vbi so I think my backend is set up for capturing.
> >>>>This may be my Christmas project to see if I can properly decode the
> >>>>XDS V-chip information at least in debugging output to see what it
> >>>> says.
> >>>
> >>>The following patch against the vbi utility (from ivtv) will let you
> >>>do some quick testing outside of myth.
> >>
> >>Thanks.  That's helpful.  Looks like section of code in Myth pulls the
> >>XDS data from the ITVT MPEG and my version of the drivers 0.3.7 weren't
> >>supporting embedding that.  I'm updating to 0.4 and I'll see how that
> >>goes.  It seems straightforward enough with the information you sent.
> >>I'll post my progress.
> >
> >ivtv doesn't support embedded vbi (at least for ntsc) on the 150/500.
> Well, that will make this process much harder :)
> I'll try it out on my MBE with my two BTTV cards.  They seem to be
> dumping data to /dev/vbi also.

That should work.

> BTW, does Myth read the /dev/vbi output from a PVR-150?

Nope, it needs to have the data in the mpeg stream.  myth would have to remux 
things, otherwise, and that's slightly more complicated.


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