Displayrate in x0rfbserver
Wed Nov 13 08:08:00 2002
1)so what could be done to make x0rfbserver support higher fps cause i find that x0rfbserver is noteven supporting 2fps.
2)could we do that manipulation?
3)And what is the option Xshm and Xtest for?
----- Original Message -----
From: "Beerse,_Corni" <email@example.com>
Date: Tue, 12 Nov 2002 14:12:21 +0100
To: "'firstname.lastname@example.org'" <email@example.com>
Subject: RE: Displayrate in x0rfbserver
> > -----Original Message-----
> > From: jay chandra [mailto:firstname.lastname@example.org]
> > 1) In a x0rfbserver how can i know about the Display refresh rate ?
> > 2)How can i know the number of frames per second supported by
> > the display rate?
> > 3)How do i control the display rate ?
> > 4)Which part of the source is reponcible for the display
> > update control?
> For the local display, see the local display settings.
> As far as I know, x0rfbserver follows (tries to follow) what happens at the
> local display and (tries to) send that to the viewer. Then there is the
> framerate at the viewer site, which is what you actually see. That is
> controlled at the viewer side in the display settings of that hardware.
> Note: Don't expect vnc to co-op with the refresh rate, it only transfers the
> updates. If you try to see video's over vnc, don't expect vnc to follow a
> framerate over 10 fps, even over a 100 Mbit network.
> vga, 256 colors, in raw mode (no vnc compression)
> 640 x 480 ~= 300000 (300 KBytes)
> 300 x 30 fps ~= 10000 KBytes (10 MBytes)
> 10 MBytes ~= 100 Mbit
> So to see that movie, it fills an entire video stream in a 100 Mbit network.
> This leaves no room for any other transport. Hence it needs a full-duplex,
> switched network. Then it needs a processor at the server side that can show
> the video and run the vncserver.
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