[mythtv-users] Flickering and refresh rate
RL
Rudger.Lundberg at gmx.de
Wed Dec 15 16:06:27 UTC 2004
Yesterday, I managed to install mythtv with a couple of great plugins and am
quite happy with it. Nevertheless, there are some problems:
1) When I playback a recording, the screen flickers heavily. It does not, when
I'm watching live TV. I can also playback the recording with mplayer without
problems.
I'm running version 0.16 on a shuttle PC under X11 (Xorg) without directfb
support. The graphics adapter is an i810 with 32MB. My grabber is a Nova-T
DVB (PAL) card. I use the VGA input of my LCD TV. The video mode is 640x480,
60Hz.
Is this a known issue ? What can I do to debug or fix the problem ?
2) The quality is a little worse (unsharp) then from my DVB-T set top box.
What can do to improve the quality ? Are there filters to sharpen the image ?
I have tried the different deinterlacing filters but that does not seem to be
the problem.
Does the mismatching refresh rate have to with this problem ? Should I try to
setup a 640x480x50 or 640x480x100 mode ?
3) The picture seems to buck when there are slow constant movements. This
seems to be due to mismatching vertical refresh rates. Do you agree ?
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