[mythtv] IVTV VBI reading

[Isaac Richards]

On Thursday 18 January 2007 7:23 pm, Robin Gilks wrote:
> > In a quick test, this doesn't seem to affect the driver.
> >
> > I stopped the MBE, ran mythtv-setup and set "VBI format:" to
> > "None", saved the restarted. I set a record rule with the
> > preferred input for my ivtv card which is last because it is
> > so lame compared to well tuned bttv recording.
> >
> > "Top" shows that the ivtv-enc-vbi thread is running (and there
> > are still broken frame but I don't yet know if they are related).
> > Pressing "T" reports "No captions". I stopped, reset to NTSC
> > Closed Caption and restarted the MBE. Now "T" shows the captions
> > from the recording made while it was set to "None".
>
> I had the same result - the ivtv-enc-vbi thread is still running during
> recording after a restart of the backend having set VBI format to None. I
> haven't tried unloading the ivtv driver and starting it fresh though...

It may be cached in the driver (we don't explicitly _disable_ vbi 
encapsulation if it's set to None), or they just run that thread all the 
time.

Isaac