Axel Sammet (axel++at++elwood.hannover.sgi.com)
Thu, 11 May 1995 09:17:59 +0000
Hi Andy,
This seems to be a Video- rather than a Performer- related problem.
I believe you would like to record every frame to videotape to replay it at
a higher frame rate. Using an Indy/Indigo2 you have at least four choices:
a) Video Board & Cosmo Compress & Simple Video Recorder
b) Video Board & Frame Acurate Video Recorder
c) Harddisk Recorder
d) Local movie
Solution a) and c) would require storing the frames rendered by your
application on disk and recording them in realtime(25/30 frames/sec) to the
recorder afterwards. The length of the sequence, however, is limited by the
available disk space.
Solution b) would be able to store an infinit number of frame since nothing
is placed on disk.
Dependent on the size of your application window you would also have to
take into concern a resizing of the frame to match the video resolution.
Solution d) would load all the frames to memory and loop/swing through them
at the rate you need. This would require quite a large amount of free
physical memory dependent on the length and resolution of the sequence.
Of course there are a bunch of other things to watch out for, so let me
know the exact configuration you are using.
Hope this helps.
Axel
> Subject:
> Hello...
>
> I've made my first performer application. The LOD's work well, exept for
the
> popping(I'm working on an Indy). My problem is that I don't know how to
make a
> movie from it. I have the gallieo board but the dm tools only seem to
input
> from live video not my application window. How do I do this???
>
> Andy Reischer
>
> P.S. I need to record to memory/file so i can speed it up to show how the
> application would work on a faster machine.
>
>-- End of excerpt from Andy Reischer
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Axel Sammet, SE Visual Simulation, Digital Media, CAD/CAM Silicon Graphics GmbH | Tel: +49 511 9017229 Ahrensburger Strasse 3 | Fax: +49 511 6138115 30659 Hannover | VM #: 59191 M/S: IHA-314 Germany | E-Mail: axel++at++hannover.sgi.com ______________________________________________________________________
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