Re: Sirius Video Sync problem

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Orad Hi-Tec Systems (orad_u++at++netvision.net.il)
Tue, 11 Mar 1997 18:03:20 +0200

Choi Changrak wrote:
>
> Hi,
>
> I use ONYX IR 4-cpu system and Performer 2.1.
> I assigned digital video input as a sirius source node and
> texture memory as a sirius drain node.
> At ircombine, I set my monitor 1280x1024_60.vfo, and set
> sirius ccir601_525.vfo.
> Periodically, performer's frame rate is changed. 59Hz to 20Hz
> or 20Hz to 59Hz.
>
> If you know the reason, please reply.

You need to genlock the graphics pipe as well.
There is a physical cable that needs to be connected.
Then,
If you are using an Onyx REII:
setmon 1280x1024_60f
If you are using an iR, you'll need to create a special
.cmb file using /usr/gfx/ircombine,
with 1280x1024_60.vfo as the "normal" channel's video format,
and under "Edit globals" -- see the attached picture.
And then, setmon -g <your-cmb-file-name>

Moshe Nissim
Orad Hi-Tec Systems

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