Re: [Zapping-misc] bttv, bt878, and zvbi failing

[Ian D. <ia...@ha...>]

	That's close, but I'm not actually trying to view the video stream
from the TV (and X isn't running). I'm interested solely in the CC
stream, so I'd really only be using zvbi-ntsc-cc. I'm using the '-d'
flag when running zvbi-ntsc-cc, and '-v' since it segfaults immediatly
without it. The full command I'm using:

zvbi-ntsc-cc -d /dev/vbi0 -c -v

	I try falling back to Ubuntu 6 LTS release and see if it works. A
recent kernel change may be the culprit.
-Ian D.

On Tue, Jan 11, 2011 at 12:59:00PM -0500, Freedman, David Scott wrote:
> Hi, Believe it or not, I had almost the exact same problem, although with newer kernels (IE, I had no problems with Ubuntu 06 or 07, but after 08...). I solved it by using tvtime with the following command.
> 
> tvtime --input=1 -d /dev/vbi0 --inputwidth=640
> # for some reason you need to point the dev to the vbi device if you want closed captions to work!?!? WTF
> 
> I always had used tvtime prior to this, but the key was telling tvtime to use this device.
> 
> I hope this helps.
> 
> On Jan 10, 2011, at 1:55 PM, Ian D. wrote:
> 
> I've been trying to use my old bt878 PCI cards with zvbi-ntsc-cc to
> capture CC streams. These cards worked under kernel 2.4.x but I haven't
> tested them in 2.6.x. I'm not sure if the problem is with zvbi, v4l2, or
> the bttv/bt878 drivers.
> I have a brief writeup of the problem here:
> http://ubuntuforums.org/showthread.php?t=1662245 and can provide any
> other information needed. Thank you.
> -I.D.
> 
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> David S. Freedman
> Postdoctoral Research Associate, OCN Lab, ECE, BU
> 
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