[Ffmpeg-devel] Questions about snow

Rich Felker dalias
Thu Nov 30 18:25:46 CET 2006


On Thu, Nov 30, 2006 at 02:46:51PM +0100, Luca Abeni wrote:
> Hi all,
> 
> I'll probably have to work on wavelet-based video codecs (well, I'll
> have to work on scalable video encoding, and I've been told that wavelet
> are inherently scalable), and I am thinking about using the snow codec
> for performing some experiments.

Wavelets are scalable, but motion comp is not. Making a motion comp
system that correctly commutes with scaling would be an interesting
project but I'm not sure if it can be done..

> So, I am wondering if someone has some references about the theory
> behind snow and the math used by wavelets (references to web sites,
> tutorials, papers, and books would be very welcome).

Hmm...

> Also, is snow's bitstream documented somewhere?

snow.c :)

Rich






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