[vorbis-dev] video codec

Gregory Maxwell greg at linuxpower.cx
Thu Feb 8 04:59:31 PST 2001



On Thu, Feb 08, 2001 at 07:53:14AM +0100, Lourens Veen wrote:
> Kenneth Arnold wrote:
> > 
> > Unless he's changed it, those images all have an ugly bar through the
> > middle that the encoder is probably having a hard time with. Hack
> > avifile for AVI->pnm or whatever you use.
> > 
> Well, coulde be me, but AVIs are compressed too aren't they? I have
> plenty of video sequences to test with, but they're all mpeg files and
> thus full of artefacts. I don't have a framegrabber or webcam, and I
> don't know anyone who does. I do have a fast internet link (I live on a
> university campus) so if anyone knows a server with some losslessly
> compressed (or uncompressed) video please do tell me.

http://libdv.sourceforge.net/

DV isn't lossless, but it's high bitrate and representitive of the type of
source a OGG video codec would probably see..

(practically nothing uses losslessly compressed video because it's too darn
big!)

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