[mythtv-users] Playback Scaling Problem with upgrade
Jonatan Lindblad
mythtv at comhem.se
Wed Oct 29 21:12:20 UTC 2014
On 2014-10-29 02:59, Jay Foster wrote:
> I checked my current mythtv system (0.21-fixes) and it does not even
> have the Zoom setting in the setup UI, so this would explain why when I
> upgrade that DB to 0.27, the Zoom field is blank. Apparently, the
> mythbuntu folks are aware of this because my fresh install of mythbuntu
> 14.04.1 had the default Zoom setting set to V.Fill, which worked
> correctly for me.
>
> My recordings are HDHR ATSC broadcasts (1280x720p, 1920x1080i). Nothing
> special there. They scale correctly on my 0.21 system, but require the
> V.Fill zoom option on 0.27. I'm OK with that, if that is what is
> needed. I suspect that somewhere between 0.21 and 0.27, the code
> changed to assume that the display pixels are square, which is not the
> case for me. It appears that without the V.Fill setting in 0.27, the
> playback is converting 1280x720p programs to 1280x720 pixels and
> 1920x1080i programs to 1280x720 pixels for display. However, my display
> is 1280x768, which results in a distorted (vertically squished) picture
> with black bands on the top and bottom.
>
> xrandr output:
> Screen 0: minimum 8 x 8, current 1280 x 768, maximum 16384 x 16384
> VGA-0 connected primary 1280x768+0+0 (normal left inverted right x axis
> y axis) 0mm x 0mm
> 1024x768 60.0 + 75.0 70.1
> 1280x768 59.9*
> 800x600 75.0 72.2 60.3 56.2
> 640x480 75.0 72.8 59.9
> DVI-D-0 disconnected (normal left inverted right x axis y axis)
> HDMI-0 disconnected (normal left inverted right x axis y axis)
Noticed the "0mm x 0mm"? It looks like your physical screen size isn't detected/configured.
https://www.mythtv.org/wiki/Display_Size
Cheers,
Jonatan
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