--- On Sun, 10/3/10, Rieni <[email protected]> wrote:
> From: Rieni <[email protected]>
> Subject: Re: [AP] firewire is more and more disappearirrlinng
> To: [email protected]
> Date: Sunday, October 3, 2010, 2:50 AM
> So Amiga was capable of doing video
> in 1984 already? Amazing. And
> weird that "desktop video" didn't work back then. I guess
> the world
> just wasn't ready for it yet, I think it was only the 90s
> that the
> big masses got video-cams and started to get interested in
> video-editing.
The Video Toaster did most of the work. It controlled two or more professional
type tape decks. Effects and transitions had to be fairly short due to the
limited RAM and storage capacity.
Texas Instruments built some prototypes of a video controller for their 99-4/A.
It was intended to control video disc and tape players and overlay text and
graphics. It would've beat the Video Toaster by some years, but of course
wouldn't have been able to do things like a "shattered" image with motion video
on all the broken bits as they rotated and fell. (I bet that effect took
several hours to render on an Amiga with a toaster.)
Going forward some years, the Media 100 hardware worked in a similar fashion.
The computers of the time didn't have the processing power to work with
broadcast quality (640x480 30 FPS for NTSC, 640x576 25 FPS for PAL) without
assistance from special hardware.
In the past decade, CPUs have become powerful enough and RAM and storage cheap
enough that computers don't need any special video processing hardware, though
with nVidia's current GPUs some software can utilize their power to assist.
For several years GPU chips have been made with several times more transistors
than their contemporary CPUs, but the GPU's have been designed specifically for
dedicated tasks. The latest GPUs are more capable of general tasks and open to
running code for things other than pumping out pretty pimped-out pixels.
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