[mythtv-users] Mythfrontend Mac OS X Monitor Aspect Ratio

Jarod Wilson jarod at wilsonet.com
Mon Jan 18 04:40:08 UTC 2010


On Sun, Jan 17, 2010 at 11:21 PM, Dave LeBer <dleber at codeferous.com> wrote:
>
> On Sun, Jan 17, 2010 at 11:07 PM, Jarod Wilson <jarod at wilsonet.com> wrote:
>>
>> On Sun, Jan 17, 2010 at 10:43 PM, Dave LeBer <dleber at codeferous.com>
>> wrote:
>> > On Sun, Jan 17, 2010 at 10:05 PM, William <william_munson at comcast.net>
>> > wrote:
>> >>
>> >> Dave LeBer wrote:
>> >>>
>> >>> Hello all,
>> >>>
>> >>> I've just setup a new 0.22 MythTV backend and have upgraded my Mac
>> >>> Mini
>> >>> to the matching frontend binary from <http://www.thesniderpad.com>
>> >>>
>> >>> If I run the frontend on my MacBook Pro I can configure the 'Monitor
>> >>> Aspect Ratio' in Utilities/Setup -> Setup -> Appearance -> Screen
>> >>> Settings.
>> >>> However on the Mac Mini that option does not exist. This means that
>> >>> the Mini
>> >>> thinks that the tv is 4:3 when it is not, and since most of the
>> >>> content is
>> >>> 4:3... ugly.
>> >>>
>> >>> I noticed that parameter was saved in an XineramaMonitorAspectRatio
>> >>> entry
>> >>> in the settings table for the MBP so I tried adding that value for the
>> >>> Mini
>> >>> and restarting the frontend. Unfortunately that had no effect.
>> >>>
>> >>> The Mini is a little over a year or so old:
>> >>>
>> >>> Intel Core 2 Duo 2GHz
>> >>> Graphics: Intel GMA 950 64MB
>> >>>
>> >>> Basically what I want to be able to do is inform mythfrontend on the
>> >>> Mini
>> >>> that the display is indeed 16:9. Any ideas about how (if) I can do
>> >>> that?
>>
>> I haven't paid attention to this thread at all, but why do you need to
>> tell it that? Mine knows this by the output resolution alone... But I
>> swear there's a frontend pref somewhere you can twiddle, if need be.
>
> I only record 4:3 SD content with my Mythbackend. My problem is that without
> telling Mythfrontend what the display aspect ratio is, it stretches the 4:3
> content to fit (I guess assuming that the display is 4:3 - this is without
> any zoom applied).
> The same version of Mythfrontend running on my MacBook Pro offers the
> ability to change the display aspect ratio (as I mentioned in my initial
> post). This option is not available in the UI on the Mac Mini.
> If there is another pref I can twiddle I'd love to hear it. I'm also game to
> try building the frontend from scratch if there is a lower level
> patch/config that will do what I want.

Utilities/Setup -> TV Settings -> Playback -> Screen 2, you should see

>> >> Not sure about a mac mini however if it runs a flavor of xorg then you
>> >> need to set a custom modeline in xorg.conf along with the options to
>> >> tell it
>> >> to ignore your detected settings.
>> >
>> > Thanks William,
>> > I'll look into that. Given that Mythfrontend runs as a self contained
>> > app
>> > bundle on OS X, I guess the next question would be where would it look
>> > for
>> > that xorg.conf file?
>>
>> Mac OS X doesn't run Xorg, it has its own native windowing system. (At
>> least, not for its native windowing system. You can run Xorg atop the
>> native windowing system, but that's not relevant here.).
>
> Thanks for the clarification, I wasn't sure whether Mythfrontend was calling
> through to the native windowing system or using X11 on top. Regardless, it
> does seem to use the  XineramaMonitorAspectRatio settings parameter to
> modify the its behaviour in some cases (as demonstrated by my MBP).




-- 
Jarod Wilson
jarod at wilsonet.com


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