Correct overscan in UI only - Printable Version

Correct overscan in UI only - Printable Version

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Correct overscan in UI only - Fat D - 2018-12-30

Hi,

I am using Kodi on a television display with overscan. Living in Europe, where television content refreshes at 50 Hz while computer displays run at 60 Hz, the display device does not support disabling overscan at the video content's native refresh rate. So I have been running video calibration to correct for overscan. However, almost all the content we are watching on the Kodi player (Raspberry Pi 3 B+ if that is relevant - I do not think it is) is made for television, i.e. mastered with overscan in mind. Some content, recorded from VHS tapes, even has glitches outside the action-safe area, i.e. in places that are supposed to go away after overscan.

So, my question basically is: Can we use different overscan settings for videos and UI? I would like the video content to be conventionally overscanned, while overscan is corrected in the menus so they are not trimmed off.

RE: Correct overscan in UI only - Klojum - 2018-12-30

(2018-12-30, 15:05)Fat D Wrote: Living in Europe, where television content refreshes at 50 Hz while computer displays run at 60 Hz, the display device does not support disabling overscan at the video content's native refresh rate

You must have quite an old TV, as most TVs these days have some type of setting for dealing with overscan. Using video calibration should be only used as a last resort.

By default, overscan is enabled on a Raspberry Pi. You can disable/change it via editing the /boot/config.txt file

sudo nano /boot/config.txt

then uncomment/add/change the below lines:

Code:
disable_overscan=1

overscan_left=0 

overscan_right=0

overscan_top=0

overscan_bottom=0

Other possible overscan values:

Code:
overscan_left=39

overscan_right=39

overscan_top=25

overscan_bottom=23

RE: Correct overscan in UI only - Fat D - 2018-12-30

It is possible to disable overscan at 60 Hz, just not at 50, likely due to the fact that nobody in their right mind would run PC content at anything less than 60 Hz.

The question I am having is not how to remove overscan entirely, by Kodi or X (by the way, the distro I am using is OSMC, which runs Kodi without X, if that matters). That is already well documented. What I am asking for is specifically to KEEP overscan in videos while UI elements are kept in the action-safe, or even title-safe areas.