On Aug 22,  1:34pm, Liang Wang wrote:
> Subject: different video format!
> hello, everyone!
> I am using ONYX 2 IR2 to develop a visual application. Now I want to use the
> video output format:
> 1600x1600_60Hz, 1500x1500_60Hz, 1400x1400_60Hz, can anybody help me to
> generate the format above in .vfo using VFC facility?
> Thank you in advance!

Hi Lion,

You should have installed vfc on your machine (assuming IRIX 6.5 look at the
CD-ROM IRIX 6.5 - Foundation 2, it's not installed by default).

% cd /usr/gfx/ucode/vfc/vfs

Change the Makefile for your appropriate format:

define the vfc-Rules for the board of your onyx2 from:
.vfs.vfo:
        $(VFC) -a ascii=$*.info -c chip=samplechip.def,board=sampleboard.def
 $(VFCOPTS) -o $*.vfo $*.vfs


.vfs.info:
        $(VFC) -a ascii=$*.info -c chip=samplechip.def,board=sampleboard.def
 $(VFCOPTS) -o $*.vfo $*.vfs

to:

.vfs.vfo:
        $(VFC) -a ascii=$*.info -c chip=voc1.def,board=dg4.def  $(VFCOPTS) -o
$*.vfo $*.vfs

.vfs.info:
        $(VFC) -a ascii=$*.info -c chip=voc1.def,board=dg4.def  $(VFCOPTS) -o
$*.vfo $*.vfs

and put your desired formats in it:

SOURCES = 1600x1600_60.vfs
    1500x1500_60.vfs \
    1400x1400_60.vfs

Then create your formats-sourcefiles (best way: out of the templates):

% cat 1600x1600_60.vfo
#define FPS 60
#define HACT 1600
#define VACT 1600

/* spell these out to maintain genlock compatibility with RE stereo formats */
#define VFP 3
#define VSYNC 6
#define VBP 30

#include "BlockSync.def"

Simply type make then and have a look, whether the formats are built.
Then copy your formats into the directory /usr/gfx/ucode/KONA/dg4/vfo/
and now ircombine can load them (when the formats doesn't exceed the
video bandwidth)

... should work ...

Also have a look into the insight book coming with the vfc package or
which is available on the web:
http://techpubs.engr/library/tpl/cgi-bin/browse.cgi?coll=0650&db=bks&cmd=toc&pth=/SGI_Admin/Combiner_UG&srch=Video%20Format

Hope this helps,
	Dirk

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              Dirk Müller              E-Mail: dim@sgi.com
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