Andy Shein (ashein++at++orac.boston.sgi.com)
Thu, 25 Sep 1997 15:54:34 -0700
On Sep 25, 2:04pm, Nicolas Gauvin wrote:
> Subject: RS343 video with Infinite Reality?
> I want to output a video signal matching the RS343 spec
> out of an Infinite Reality. The Reality Engine used to offer the
> following vof which matches RS343 exactly:
>
> VOF 960x802_30i.u:
> Active Line Length: 960 pixels, 30.99 usec.
> Vertical Active Height: 802 lines
> Nominal Line Period (total width): 1180 pixels, 38.10 usec.
> Lines Per Frame: 875 lines
> Pixel Clock: 30.975000 MHz, period = 32.284100
> nsec. Horizontal Line Frequency: 26.250 KHz
> Horizontal Sync Duration: 85 pixels, 2.74 usec.
> Horizontal Back Porch Duration: 105 pixels, 3.39 usec.
> Horizontal Front Porch Duration: 30 pixels, 0.97 usec.
> Vertical Front Porch Duration: 3540 pixels, 3.0 lines, 0.11 msec
> Vertical Sync Duration: 3540 pixels, 3.0 lines, 0.11 msec
> Sync Pulse Duration: 530 pixels, 17.11 usec
> Sync Pulse Count: 6
> Vertical Back Porch Duration: 36580 pixels, 31.0 lines, 1.18 msec
> VWALK to ACTIVID duration: 10640 pixels, 9.016949 lines
> Frame Frequency: 30 Hz Interlaced, 2 Fields
> Flags: (None)
>
> Now my big question is, how can I get the exact same thing from an iR since
> there is no vof like this?
>
> I used to think that ircombine would enable me to get this but after
> looking at the limited set of controls ircombine offers, I'm starting to
> have some serious doubts.
>
>
>
> --
> Nicolas Gauvin CAE Electronics Ltd., 8585 Cote De Liesse
> 3D Graphics Software Saint-Laurent, Quebec, Canada, H4L-4X4
> nicolas++at++cae.ca Tel: (514) 341-2000 x2275, Fax: (514) 340-5496
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>-- End of excerpt from Nicolas Gauvin
--
Andrew Shein SE Stout email: ashein++at++boston.sgi.com
Silicon Graphics Inc. phone: (508) 562 - 4800
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