[mythtv-users] Plasma, UK SD and HD seperate modes

John reidjr at btconnect.com
Sun Oct 25 22:45:29 UTC 2009

Jean-Yves Avenard wrote:
> Hi
> 2009/10/25 David Knight <dlknight at sdf.lonestar.org>:
>> After reading some of Jean's messages with interest I decided to try and
>> let Myth change the video modes for me. However I have had mixed success.
>> I have found that outputting to the Plasma at 1920x1080 (50Hz) gives me
>> the best picture quality for HD and SD looks better than it does if I were
>> to output it at 576p.
>> If I set xorg.conf to default to a 60Hz mode (1920x1080_60) and then watch
>> a 50Hz recording Myth switches video mode to 1920x1080_50 which is great.
>> But if I watch a SD recording (720x576) I can't get myth to switch
>> resolution although it will change the refresh rate. Is this expected? I
>> read some messages which seemed to suggest that resolution could not be
>> changed only refresh rate?
> There's really no much point in changing the resolution of the screen
> to match the video being played.
> To have the TV do the upscaling or Myth ends up being the same ;
> except that now your OSD and menus will look crap.
> You're much better off keeping the resolution at 1920x1080 and only
> changing the refresh rate.
> You can configure myth to also change the resolution, but it's rather
> limited. You can configure up to 3 different resolutions to switch to
> in myth and the setting must match the resolution you've set.
Does the resolution switching work in the current code ? I get the 
refresh rates changing, but not the resolution changes, same as the 
original post. ?


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