[mythtv-users] Troubleshooting video problems on my combined FE/BE

[Mike Perkins]

On 13/03/15 15:22, Hika van den Hoven wrote:
> Hoi Jerry,
>
> Friday, March 13, 2015, 4:10:44 PM, you wrote:
>
>> On Thu, Mar 12, 2015 at 4:29 PM, Mark Perkins <perkins1724 at hotmail.com>
>> wrote:
>
>>>
>>> I'm finding that constant swapping between progressive and interlaced very
>>> odd. Do you get those messages on the non-stuttering frontend? Does the
>>> recording play stutter free on the main frontend if you use another player
>>> like VLC? What does mediainfo say about the file?
>>>
>>> It is not uncommon for the format to change at commercial breaks and the
>>> like but the messages above seem to indicate it is changing every few
>>> seconds and sometimes every few frames!
>>>
>
>> I began writing this email about two hours ago with all of my efforts.
>> Basically, when I hooked up my FE/BE to my analog KVM and then directly to
>> my usual computer monitor, the stuttering went away in all programs I
>> tried.  I was getting stuttering in Kodi, Plex Home Theater, Myth videos,
>> I'm sure everywhere else, too.
>
>> I finally started looking at settings on the TV.  I wound up changing the
>> Game Mode setting to On.  The TV says there is a reduction in image
>> quality, but I can't see it.  The stuttering seems to have gone away.  I
>> can't find it now, so I am satisfied.
>
>> So if you have a Samsung later model TV and you experience stuttering, try
>> setting Game Mode to On.
>
>> Should I put this in the wiki somewhere?
>
>> Thanks to Mark and Hika for the help!
>> Jerry
>
> It sounds logical, gaming needs faster response.
> As far as I can think, the only thing that could get changed this way
> is your resolution and possibly the refresh rate. I guess it now sends
> other edid info to the computer.
>
In theory it should also eliminate overscan, which is a feature that belongs in 
the analog age.

When your incoming signal is a known 720 or 1280 digital signal, and the tv is 
flat-screen digital with individual pixel addressing, why on Earth did anybody 
think overscan was a good idea?

-- 

Mike Perkins