[mythtv] NVidia Shield and 4K video

[David Engel]

On Tue, Aug 07, 2018 at 03:58:04PM -0400, Peter Bennett wrote:
> I have to admit defeat on this one. Everything I have tried results in the
> image being doubled in width and height before being displayed, and any
> image larger than 1920x1080 is cut off on the 3840x2160 screen. Android and
> QT documentation are vague on the subject. The API documentation has wording
> like "The size returned by this method does not necessarily represent the
> actual raw size (native resolution) of the display.
> 2. It may be scaled to provide compatibility with older applications that
> were originally designed for smaller displays." Apparently it thinks MythTV
> is an older application designed for smaller displays.
> 
> At this time is it somewhat academic, as I do not believe any TV stations
> broadcast in 4K.

I bet there are people who have 4k, bluray rips on their backend/NAS
and want to play them at full resolution.

> I can play a 4K video and its resolution is reduced to 1920x1080. The same
> video plays with MythTV in its full 4K resolution on Linux with vaapi and on
> Shield through Kodi. Android Kodi can use the full resolution, I do not know
> what their secret is.
> 
> Kodi is not a QT application, the problem may lie in the interface between
> QT and Android.

I was directed to the Qt Interest Mailing List
(http://lists.qt-project.org/mailman/listinfo/interest) today for help
with the resume takes too long problem.  You might try posting there.

David
-- 
David Engel
david at istwok.net