[theora-codecs] theora ultra low bitrate support (vp3 style)
c.mckellar at student.murdoch.edu.au
Sun Jun 15 01:36:26 PDT 2003
Its is a G4/350 AGP.
I wouldn't note it, except I can play a few movies smoothly I have with
this old codec, which I can't with the new one.
On Sunday, June 15, 2003, at 01:25 AM, Mauricio Piacentini wrote:
> This was reported by Colin before, but to be honest I could not
> his results. It looks like it could be a preprocessing threshold issue
> mentioned it was happening on a Beige G3 I believe), but in my test
> I get the same decoding performance.
>> The "fast" vp3 codec I have is one I got when I purchased the OSX
>> quicktime version (before it was open sourced.) Unfortunately, it is
>> affected by the QT6 bug. Released versions since it was open sourced
>> have been much slower at decoding. The latest version doesn't seem to
>> have a QT6 problem, but it decodes generally much slower than the
>> one that I have (when decoding without scaling.)
>> The url for a sit file of the older codec can be found:
>> The newer codecs seem to encode faster than this one, and there are
>> slightly different results with decoding psnr numbers, but nothing
>> should justify the difference in decoding speed.
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