Re: Indeo 2

Kostya wrote:

> My decoder was adopted in FFmpeg, but it still has one issue - some 
> movies show objects with long dark "tails" (especially laser*.avi and 
> fish*.avi from MPlayer repository). This occurs because decoding of 
> frame is not bit exact, and differences between real and my version 
> add, so starting with the second delta frame such artifacts appear.
>
> The real problem is that frame consists of huffman-coded values, which 
> can represent skips (if value >0x80) or _pair_ of pixels or deltas. 
> These pairs are decoded differently in case of original and my decoder.
>
> I attached my version of standalone decoder of Indeo 2 frame data. Can 
> somebody find the correct values for ir_table1, which holds conversion 
> from coded value into pair of pixels or deltas?


Maybe this is of help ?

http://sourceforge.net/tracker/index.php?func=detail&aid=1222099&group_id=16082&atid=116082

MvH
Benjamin Larsson


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