[FFmpeg-devel] donation for snow

Lars Täuber lars.taeuber
Thu Nov 6 19:04:40 CET 2008


Good evening.

On Tue, 4 Nov 2008 21:10:48 +0100 Michael Niedermayer <michaelni at gmx.at> wrote:
> On Tue, Nov 04, 2008 at 11:38:34AM -0800, Jason Garrett-Glaser wrote:
> > Motion estimation in Snow is still more advanced than x264 in some
> > respect; Snow has iterative ME, x264 doesn't.
> 
> yes but iterative ME is slow and some say, being too slow ...

Is this true for encoding only or for decoding to? I don't care for encoding speed, decoding speed is by far more important. But other users might think very different.

> > > Ive no doubt that snow could beat x264 given a few determined and smart
> > > developers
> > I highly, highly doubt this, assuming you stick to the basic current
> > idea of Snow.  I don't doubt that you or I could make a better format
> > than H.264 if I tried--there are dozens of places one could make
> > improvements--but what I do doubt is the ability to make a better
> > format *using overlapped wavelet*, since thousands of people have
> > tried that for something on the order of two decades and failed
> > miserably.  
> 
> I had no intent to stick to wavelets once someting else had been implemented
> that work better, actually i was aware that existing wavelets with existing
> ntropy coders perform poorly on inter frames before even writing the wavelet
> code.

Then what about using wavelets for intra frames only and other algorithms for the inter frames?

just my 2?

Lars




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