Re: vfc/ircombine question

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Rémi Arnaud (remi++at++remi.engr.sgi.com)
Mon, 23 Mar 1998 13:27:37 -0800 (PST)

Clay Stanek wrote:
>
> I have an application that uses a non-standard resolution and frame rate
> for something called the DVP (it appears as just another channel on
> ircombine
> GUI).
>
> I was successful in making my 1632x672++at++30hz format for this channel with
> the
> block sync template and the video format compiler (I am not really smart
> enough to write my own timing source file).
>
> I would like to display this on our super-wide monitor as well so I can
> get some feel for what I am putting out over this other channel (it is a
> digital interface and difficult at this point in our development to
> 'visualize').
>
> So I tried using the same file for the monitor and used ircombine to make
> my .cmb file with the 1632x672 ++at++ 30 Hz on both channels. ircombine
> didn't complain, however the monitor did, saying the input was 'out of range'.
>
> Is there something I don't know about acceptable line frequencies for
> this monitor? Does anyone have a .vfo for the super-wide monitor that has a
> 30 hz swap rate and greater than 1632x672 resolution?

 Both channels does not have to have the same vsync, but have to be
 multiple, so you can use a 60Hz format for the monitor channel.

 Use a 1600x1200++at++60 for the monitor. Have both channels to overlap in
 ircombine. With more work, you can make your own format.

>
> Platform is an 0nyx2 iR, running 6.4.
>
> clay
>
> Clay Stanek
> R&D Scientist/ Engineer
> Mission Research Corporation
> 735 State St. PO Drawer 719
> Santa Barbara, CA 93102
> 805 963 8761 x306
>
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