[video] about DCT

[konstantinos_aris@hotmail.com]

Hi Gents;
I have some questions in my mind, may be one of you might know it. 
First one; Is it possible to process RGB data which was gathered from a 
VGA signal into a DCT module such as Richard Herveille's DCT algorithm? 
Of course before going into the DCT process, there will be a RGB to 
YCbCr conversion..

Secondly; I have been thinking on Richard Herveille's valuable work on 
DCT. It accepts 8 bits of video data. I think that is for first row of pixels 
(8pixels each line). But as you might realize that after RGB2YCbCr 
conversion each pixel will have a ~8bit of information whereas DCT 
module accepts only 8 bits of information at each clock cycle. So is 
there something wrong the way I think about? Or it just accepts 8 bits 
of information for each pixel at a clock cycle. I am confused about it. 
Could anyone kindly explain the process? Or is there any example source 
code that I can look into from begining of buffering of video data and 
sending them into a DCT module? 
Or someone kindly tell us about the process in general? I have looked at 
the source code and some other references about DCT on the net but 
could not find an appropriate information.

Cheers,
Aris
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