[theora-dev] Limiting bandwidth to around max. 8k per second - possible? UPDATE

Wed Sep 4 13:58:13 PDT 2002

Does this DS filter not work?

http://moonlight.co.il/products/ir.shtml    

-Henry

----- Original Message -----
From: "Thomas Tomiczek" 
<t.tomiczek at thona-consulting.com>
Date: Wed, 4 Sep 2002 18:10:04 +0200
To: <theora-dev at xiph.org>
Subject: RE: [theora-dev] Limiting bandwidth to around 
max. 8k per second    - possible? UPDATE

<p>> Sure :-) You have a DirectShow filter that does this? 
Best with bilinear
> filtering?
> 
> I thought of it, but have problems even getting the 
algorythms.
> 
> We make some progress on 320x240, though - 
basically by going to 5fps
> etc.
> 
> Hm, the quality is not that bad - actually comparable 
to Indeo now.
> Smoother (blurry, so to say), but no fragments, 
though. In general could
> be comparable.
> 
> Makes me interested in VP5, but I am unable to get a 
quote out of ON2,
> so - well- their problem :-)
> 
> No, looks like we slowly move forward. Lets see what 
result we get
> tomorrow.
> 
> Thomas Tomiczek
> THONA Consulting Ltd.
> (Microsoft MVP C#/.NET)
> 
> -----Original Message-----
> From: Henry Mason [mailto:hip245 at operamail.com] 
> Sent: Mittwoch, 4. September 2002 18:07
> To: theora-dev at xiph.org
> Subject: RE: [theora-dev] Limiting bandwidth to 
around max. 8k per
> second - possible? UPDATE
> 
> 
> If you absolutely must input 160x120, why not just 
scale 
> it to 172x144 so that VP3 works? The images are 
small 
> enough that there really shouldn't be that much 
> overhead...
> 
> -Henry   
> 
> ----- Original Message -----
> From: "Thomas Tomiczek" 
> <t.tomiczek at thona-consulting.com>
> Date: Wed, 4 Sep 2002 16:50:14 +0200
> To: <theora-dev at xiph.org>
> Subject: RE: [theora-dev] Limiting bandwidth to 
around 
> max. 8k per second - possible? UPDATE
> 
> 
> > Ok, we got it working with 176x144 resolution.
> > 
> > The following string produced an image that was 
not
> falling behind too
> > much for too long - basically a little when it was
> getting TONS of
> > movement, and then catching up fast.
> > "65 58 110 0 1 1 90 8 120 1 1 "
> > 
> > Now, we need to get this working on a 320x240
> resolution, too (as sadly
> > VP3 does not support 160x120. Seems to be a little
> senseless, though.
> > Whatever we do, we dont get the bandwidth down
> enough. Now, we need one
> > of the "standard resolutions" (160x120 or multiples)
> for some cameras
> > here to work.
> > 
> > Any hint?
> > 
> > Thomas Tomiczek
> > THONA Consulting Ltd.
> > (Microsoft MVP C#/.NET)
> > 
> > 
> > -----Original Message-----
> > From: Thomas Tomiczek
> > Sent: Mittwoch, 4. September 2002 15:34
> > To: theora-dev at xiph.org
> > Subject: [theora-dev] Limiting bandwidth to around 
> max. 8k per second -
> > possible? Working?
> > 
> > 
> > Hello,
> > I am using the latest binary download from 
vp32.com, 
> just as a starter. 
> > We try using the VP32 codec in a video 
conferencing
> application,
> > replacing Intel indeo for obvious reasons. I must 
note
> that I have
> > considered contacting ON2 for a license of the VP5
> codec, but after
> > sending emails for amore than a week and never
> getting back calls after
> > they were announced, and after not reaching 
anyone
> early in the office
> > there (and I have a substantial time difference), I 
have
> decided that we
> > will not license anything for the time being. Dan, you
> might take this
> > as a hint - have someone contact us with an OFFER
> and have him behave
> > like a professional, and you might make a sale for 
our
> 1.2 or 1.3
> > release in Q1.
> > Now, our problem is that our video conference runs
> on2 ISDN lines. I
> > have a bandwidth of around 9k per second. Not 
more,
> and low latency.
> > Worked flawless with Intel Indeo :-)
> > We are currently playing around with the bandwidth 
in
> the "encoded
> > registry string", and the string we use right now is 
> >         "50 5 30 0 1 1 60 30 300 2 2 "
> > The first number is meant to be the target b 
nadwidth, 
> right? I tried it
> > with 80, then wend down and down.
> > Till now, we have the problem that we are falling 
> behind. Substantially.
> > Nothing seems to be able to change this. Now, for a
> short moment that is
> > not a problem - we run a .3 second delay. But we 
are
> CONSTANTLY
> > generating WAY too much data.
> > Any hint here? Might be the first big size project that
> you guys can
> > take officially as a reference, but not if we have to 
stay
> with Intel
> > Indeo because it does not work.
> > Thomas Tomiczek
> > THONA Consulting Ltd. 
> > (Microsoft MVP C#/.NET) 
> > --- >8 ----
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> > Ogg project homepage: http://www.xiph.org/ogg/
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> > 
> 
>     
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