[MEncoder-users] new doom9 codec comparission (submission)

Rich Felker dalias at aerifal.cx
Thu Dec 15 08:36:56 CET 2005


On Thu, Dec 15, 2005 at 09:07:49AM +0200, Jan Knutar wrote:
> On Thursday 15 December 2005 05:29, Corey Hickey wrote:
> 
> > Nobody should be using snow at this point for anything but testing
> > purposes. It could change incompatibly in the future. What makes snow
> > remarkable is that it can compete with mature, highly-tweaked and
> > -optimized codecs despite not being finished. If Michael ever starts
> > working on it again, I wouldn't be surprised if it won your comparison
> > someday. For now, though, I can definitely understand why you have
> > problems with it.
> 
> What's even more remarkable, is that Snow, which seemingly appeared
> overnight into the lavc cvs repository, and having none of the MMX and
> SSE speedup work done by yartrebo applied yet, can still compete with
> BBC's dirac. A codec which has the support of a very large company,
> but still fails to meet quality and performance expectations.
> 
> Mind, both snow and dirac aren't exactly usable on current hardware, but
> atleast snow will be usable in the near future. Plus, it reportedly has better
> quality vs bitrate than Dirac.
> 
> It amazes me that this experimental, essentially one-man work, can
> compete so well with a codec from a large company. Although, in other
> ways, I'm not surprised. 

I'm not surprised at all. I knew dirac would suck as soon as it was
announced. It reaks of vapourware-like promises and comes from people
with no practical experience in video encoding.

> The dirac developers seem unaware of the rest of the multimedia community,

Exactly.

Rich




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