[mythtv] Ticket #4872: Detect if video is letterboxed and switch to corect fill mode

[Petr Stehlik]

Mårten Bohlin wrote:
>>> Petr could you try this patch together with my autodetection patch.
>>  It didn't help but guess why - the GetDisplayAspect() function returns
>>  1.3333!
> 
> Yes that is strange. I use a vmware to test my patches, and I have the
> same problem there. But I thought it was related to vmware, since it
> is working on my real frontend.

Perhaps the GetDisplayAspect() is not returning the physical output 
aspect ratio but something else? I don't think my X.org is that much 
misconfigured - the debug output shows that Myth knows about 1360x768..

Could someone who knows the myth video internals explain this, please?

Petr