Re: [GnomeMeeting-list] Newbie UPDATE: slow video

[Damien Sandras <dsandras seconix com>]

Hi,

I am using GnomeMeeting <-> Netmeeting every day, and it is true that
the quality and speed are not so good as Netmeeting <-> Netmeeting or
GnomeMeeting <-> GnomeMeeting.

But I'm far to have a so bad quality than what you are telling us.
The only problem is that the image takes longer to refresh than when it
is GM to GM or NM to NM.

I don't know what can happen in your case to have such a bad qality.
Sorry, I can't help.

le mer 12-12-2001 à 20:28, Paul Nixon a écrit :
> Well, I'm not sure what to say at this point. I've just completed some
> testing between Linux GM and MSNM and I'm really puzzled. Please understand
> this is NOT a complaint or rant or anything like that.
> 
> I have GM installed from RPMs on a Mandrake 8.0 system. Capture card is a
> Hauppauge WinTV PCI. I'm running Gnome with X4.0.3 and an ATI Radeon PCI
> card. System is a 1.2GHz Athlon Tbird.
> 
> I have Netmeeting 3.0 installed on two other machines, an 800MHz TBird with
> GeForce2 MX AGP and another 1.2GHz Tbird with a Kyro II AGP. Both of these
> systems run Win98SE, but the 800MHz Tbird also has Mandrake 7.2 installed
> with a 2.4.3 kernel.
> 
> Here are the results:
> 
> GM -> NM. Good quality audio, poor quality video until the blocks disappear.
> After blocks are filled in the video quality is fair at best. Any sudden
> movement in the source frame causes breakup. Max 2fps.
> 
> NM -> GM. Fair quality audio, fair quality video. Blockiness in middle of
> frames. GM locked up after about 10 seconds consistently. Approx 4fps.
> 
> NM -> NM. Excellent quality audio, excellent quality video. In fact the
> video was full motion all the time with quality almost as good as the
> original with only some blotchyness associated with compression.
> 
> All of this was tested over a 100mb LAN with the systems no more than 8 feet
> apart in the same room. No external transmission (direct IP link).
> 
> So what in the heck is going on here? Is there some compression algorithm I
> have to add to the Linux machine? Is it possible there's some weird problem
> with resizing the video window or something? I know when I ran Kwintv I was
> unable to get smaller than 320x240 without some odd things happening (would
> resize vertical but not horizontal).
> 
> This is just weird.
> 
> BTW, the 1.2GHz Linux system has not had any modifications done to it.
> Straight install from the Mandrake CD.
> 
> Paul
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