I am running an AMD XP2600 (mythtv 0.18.1.20050523-1 from atrpms), Dvico
Fusion 5 Gold (cable, QAM and analog), Nvidia 6200 (7676 drivers), component
out (1280x720p) to Sony LCD
HDTV.
I currently must have xvmc enabled to display HD, but this causes studdering
with the OSD during channel changes, timeshifting, etc., so I am exploring
options to turn it off.
My understanding is that decoding and scaling/deinterlacing are two distinct
processes that occur in that order. Without using xvmc, is it possible
using Nvidia's drivers to accelerate the video decode process only, and then
pass it on in it's native resolution and let the TV do the scaling (which it
already does very well outside of myth)? If so, how might this compare cpu
wise to doing everything in myth with xvmc? More cpu or less?
If the above sounds reasonable for an XP2600, then my step is to start
reconfiguring everything, but I am not sure I know all of the steps. In a
nut shell:
1. Set up xorg.conf modelines for 480i, 480p, 720p (done) and 1080i.
Probably the hard part.
2. Configure mythtv to not use gui size for playback.
Am I missing anything? I seem to remember mythtv only supports 3 custom
output settings, true? I have 4...
Currently serveral (but not all) my the setup screens in mythfrontend are
not scaled to fit the display. Some are worse than others, but some or all
of the text and buttons on the bottom of the screens are below the bottom of
the display and can't be seen. Shouldn't everything in the gui be sized so
it can be viewed in the resolution it is set at? Will the above output
changes help this problem?
Gary
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