[theora-dev] Block Coding Pattern
dan at on2.com
Fri Feb 21 09:57:47 PST 2003
Hi Mike --
The plan for the official Theora spec is similar to yours. Our specification document will include (actually, in a sense it will *be*) a reimplementation of the video decoder in Python, with an emphasis on clarity and simplicity over performance.
At this point I think the best course is for us to continue to work independently for a while, at least until I have a first draft (or you do); then we can review & trade notes. My experience in this area on the MPEG committee is that independent review is the key to filtering out mistakes, unclear descriptions, and ambiguities. I would consider any reviewing, corrections, or additional documentation to be a serious contribution to the project.
Does this make sense? - dan
> -----Original Message-----
> From: Mike MHielanson [mailto:melanson at pcisys.net]
> Sent: Thursday, February 20, 2003 10:29 PM
> To: theora-dev at xiph.org
> Subject: RE: [theora-dev] Block Coding Pattern
> On Thu, 20 Feb 2003, Dan Miller wrote:
> > > Spec? I didn't know anyone else was working on a
> spec of the algorithm, too.
> > A formal spec is slated for the upcoming Beta release (I'm
> the lucky volunteer on that). The bitstream is still in
> flux, so if you're working up something based on Alpha it may
> need tweaking. Perhaps we should discuss joining forces?
> Sounds like a great idea. I have been studying VP3
> rather closely
> the last few weeks (in between other multimedia-related
> activities). I'm
> quite confident that I have a good grasp on the decoding
> process and have
> been jotting down many notes as I have gone along. The end
> goal is to come
> up with a coherent document and be able to re-implement the
> decoder (and
> eventually the encoder) in ffmpeg based on the document.
> -Mike Melanson
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