[mythtv-users] improve upscaling quality?

[Jack Perveiler]

On Wed, Apr 22, 2009 at 11:34 AM, Mark Buechler <mark.buechler at gmail.com>wrote:

> Hi
>
> On Wed, Apr 22, 2009 at 4:54 AM, Ma Begaj <derliebegott at gmail.com> wrote:
>
>> 2009/4/11 Glenn Sommer <glemsom at gmail.com>:
>> > Hi
>> >
>> > Personally I see the vdpau patches working WONDERS when using => 720p !
>> >
>> > But for SD content over DVB-C, my crappy DVB-C receiver I got from my
>> > provider gives a lot better picture/motion quality. (It can upscale to
>> > 1080i).
>> > Though, when comparing HD channels I see very little difference...
>> > MythTV with VDPAU does quite a good job here!
>> >
>> > So, guess the solution is to get ALL channels to do HD :P hehe
>> >
>> >
>> > 2009/4/11 Jean-Yves Avenard <jyavenard at gmail.com>:
>> >> Hi
>> >>
>> >> 2009/4/11 Gordon McLellan <gordonthree at gmail.com>:
>> >>> I've tried using the custom resolution feature under myth, but it is
>> >>> unable to change resolutions, it tries, because the TV shuts down for
>> >>> a few seconds and then comes back on, but it alway comes back on at
>> >>> 1920x1080 at 60hz.
>> >>
>> >> I found that by default, you can't get any other refresh rate with
>> >> nvidia cards but 60Hz , unless you disable the GPU scaling in
>> >> nvidia-settings.
>> >>
>> >> It is surprising that you don't get good result with VDPAU, I found
>> >> their deinterlacer / upscaling really good. Almost as good as my Sony
>> >> TV
>>
>> Not other ideas on this subject? There are probably many of us with
>> the same problem.
>> My receiver also upscales SD great comparing to mythtv.
>>
>
> Maybe someone will enable ffmpeg's software scaling in MythTV someday.
>
> - Mark.
>
> That WOULD be nice.  Looks like some preliminary work has already been
done?

http://www.gossamer-threads.com/lists/mythtv/dev/371131?search_string=libswscale;#371131

--Jack
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