On Tue, Aug 18, 2009 at 05:49:22PM +1200, Paul M wrote:
> On 18/08/2009, at 3:48 PM, Jacob Meuser wrote:
> 
> >On Tue, Aug 18, 2009 at 12:02:08PM +1200, Paul M wrote:
> >>On 18/08/2009, at 3:15 AM, Landry Breuil wrote:
> >>
> >>>On Mon, Aug 17, 2009 at 4:39 PM, Jan-Erik Skata<jesk...@gmail.com>
> >>>wrote:
> >>>>On Mon, Aug 17, 2009 at 3:17 PM, Jan Stary <h...@stare.cz> wrote:
> >>>>
> >>>>>I need to transfer some old VHS tapes into (any) digital video
> >>>>>format.
> >>>>>On OpenBSD of course. I understand I need
> >>>>>
> >>>
> >>>All the bt848-based cards works through bktr(4), with composite 
> >>>input.
> >>
> >>
> >>Some time ago, when I looked into something similar, all the supported
> >>cards that I found could only record incomming video at 1/2 res max.
> >>Whether this is a limitation of the bt848 chipset, I didnt bother to
> >>verify.
> >
> >what do you mean by 1/2 res?
> >
> >the bt8x8 (also conexant fusion 878) chips can capture full resolution
> >NTSC (640x480) or PAL (768x576).
> 
> By half res, I mean 360x240.

hmm, 360 is not a multiple of 16, nor is 360/240 == 4/3.  sure you don't
mean 320x240?

> It must have only been a limitation of the various cards I could find
> info on.
> 
> I should perhaps clarify that this limitation only applied to the video
> input from the external video connectors, not to the tuner output, which
> could be recorded at full resolution on all the cards I looked at.
> That may not have been clear from my use of the term 'incomming video'.
> 
> Could you perhaps point me at cards which you know can capture at full
> res from an external input? If I can get a card, I'd quite like to
> resurect this project. I've already been through the list of cards in
> the man page, but it seemed to be a little old when I looked a while 
> ago.

I'm pretty sure I've used both ATI TV Wonder VE and Zoltrix Genie TV/FM
to capture from composite input at 640x480 (NTSC, I live in north america).

-- 
jake...@sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org

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