Re: Re: Help needed

Kostya wrote:
> I've more or less understood their logic. Their intra blocks follow such 
> scheme:
>            LAST 4 ELEMENTS
>             V       V       V      V
> D0 -> +d00 +d10 +d20 +d30 -> D0
> D1 -> +d01 +d11 +d21 +d31 -> D1
> D2 -> +d02 +d12 +d22 +d32 -> D2
> D3 -> +d03 +d13 +d23 +d33 -> D3
>             V       V       V      V
>           LAST 4 ELEMENTS
> where D0-D3 - saved deltas, dxy - new delta for position x,y (note that 
> +d00 +d10 means D0 += d00; D0 += d10; and the same for LAST 4 ELEMENTS)

	Reminds me a lot of TM1.

> Inter blocks (still, motion, update) also update deltas D0-D3 and LAST4, 
> but somehow in another way.
> 
> Now my decoder decodes file tm20.avi from MPlayer samples repository 
> with artifacts and in grayscale only, but nevertheless close to original.

	Good work. However, the real prize will be if you can figure out the 
custom TM2 variant used in the PC version of Final Fantasy VII.

> Can somebody review this code and suggest how to correct and/or some 
> optimise it?
> 
> P.S. I noted that even if I don't get helpful replies, my work goes 
> better after such posts. Maybe it's time to open local BLOG :)

	That can be arranged...
-- 
	-Mike Melanson


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