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nvidia 6800 onboard video encoder

T

TMCM

[H]ard|Gawd
Joined
Apr 15, 2003
Messages
1,684
does any one know anything about the onboard video encoders on the new 6800? Since I like to do alot of video stuff I am really interested in its mpeg4/DivX compression. I have perfered ATi cards because of it IMO superior Video Out quality but onboard video compression is fucking cool. I really want to know more about it capabilities.

Thanks
 
Why do you need onboard video encoder anyway ? I'd think the cpu would handle it alot better and faster.. ofcourse it'd take off the load off the cpu if the gpu does it.. but what do i know.. I wish to find out as well
 
I would've prefered it if it were on a seperate chip like Ati's rage theatre silicon - that way the core is made smaller, cooler and cheaper for those of us who don't want or need the video compression.
 
so does any one have any info on this? I mean if the R420 and the NV40 perform within 5% of eachother with similer IQ then the fact that the NV40 has the onboard video encoder would lead me to purchase the 6800... but thats only if the video encoder was worth a damn.
 
You might like to look at this page in the anadntech preview Here http://www.anandtech.com/video/showdoc.html?i=2023&p=7

That's right, NV4x includes a dedicated programmable video processor. The video processor is made up of an address, scalar, vector, and branch unit. The vector unit is a 16 way SIMD (a single instruction can operate on 16 different pieces of data at once) vector unit.

We don't have anything to test this thing with right now, but there is a whole lot this thing can do, including inverse 3:2 pulldown (conversion from interlaced TV format to progressive format better suited to computer monitors), colorspace conversion, gamma correction, MPEG 2 MPEG 4 WMV9 DiVX decoding and encoding, scaling, frame rate conversion, and anything else you'd like it to do for you.

This a very exciting feature to be included on the GPU. It essentially means that anyone with an NV4x chip including the video processor will be able to stream video all over the place, do very fast encoding, and offload a lot of work from the processor when it comes to video processing. Also, it could really help in multimedia and PVR style systems by lowering the necessary CPU power to something more affordable (that is, as long as this functionality is included across the board on NV4x chips).

This could actually really help even the playing field between Intel and AMD if it catches on ...
Click to expand...

What all this means, I don't know, but I have a feeling it might be like hardware dvd decoding done by the videocard instead of the cpu. But this time instead of decoding, we get to encode !
 
i do alot of avi to mpeg2 and dvd to svcd encoding. i cant wait to see benchmarks on this new video encoder.
 
hmm, If they choose to take advantage of it, this could be a big boost for Adobe in their premiere product.
 
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