Re: MPEG display in Performer/VR.

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From: Simon C Mills (simon++at++wgs.estec.esa.nl)
Date: 04/11/2002 04:26:26

Fred Dech wrote:
>
> hi.
>
> i'm coming across a need to display video from MPEG or other files in some
> Performer/CAVElib VR applications that don't currently use up any of the
> system's texture memory. sorta like a floating polygon/screen with a
> couple 3D control widgets.
> is pfuTex the way to go with this? or does this require some serious lower-
> level coding?

Hi,

I've done something similar but in my case I just wanted a movie to
appear ON TOP of my scene during loading or on request so it's purely
2D. For that I used the SGI movie library (man mvIntro) on IRIX. I
create an X window ontop of my Performer window and render the movie
into that. It doesn't use any OpenGL or texture memory resources.
Control is fairly simple with key strokes to stop, start, rewind, mute
etc.

If you movie needs to be in the 3D scene then I think you can best use
textures, maybe using the subload function.

Hope it helps, Simon
_______________________________________________________________________

Simon Mills
Silicon Worlds S.A.
c/o Modelling & Simulation Section (TOS-EMM) Tel: +31 (0)71 565 3725
European Space Agency (ESA/ESTEC) Fax: +31 (0)71 565 5420
Postbus 299, 2200AG Noordwijk e-mail: Simon.Mills++at++esa.int
The Netherlands http://www.estec.esa.nl/wmwww/EMM
_______________________________________________________________________

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