[MPlayer-users] Matrox G400 TV out problem

Krister Lagerstrom krister at kmlager.com
Mon Sep 9 01:56:02 CEST 2002


D Richard Felker III wrote:
 > On Sun, Sep 08, 2002 at 12:27:43PM -0600, Jay Graves wrote:

 >> Is there some obvious thing I am missing?
 >
 >
 > Yes, the pixel clock. It's the most important part. Use -pixclock or
 >  better yet just fbset modename.

Actually, the pixel clock is ignored for the G400 fb driver. The pixel
clock is calculated from the desired vertical refresh rate (59.97 or
50HZ) and the number of pixels on the screen. The G400 driver also
can't generate every pixel clock frequency so it twiddles the
resolution a little bit to get the right clock (see the
/var/log/messages output). All this makes it hard to figure out good
modelines for G400 TV-out. But the ones in mplayer and freevo works for
me at least.

		/ Krister




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