[mythtv-users] mythtv on Raspberry 4 4GB with 64 bit OS's

[Jim Abernathy]

On 8/27/20 11:40 PM, Greg Oliver wrote:
> On Thu, Aug 27, 2020 at 8:04 PM James Abernathy <jfabernathy at gmail.com 
> <mailto:jfabernathy at gmail.com>> wrote:
>
>
>
>     On Thu, Aug 27, 2020 at 8:58 PM Mark Perkins
>     <perkins1724 at hotmail.com <mailto:perkins1724 at hotmail.com>> wrote:
>
>
>
>         ------------------------------------------------------------------------
>         *From:* Jim Abernathy <jfabernathy at gmail.com
>         <mailto:jfabernathy at gmail.com>>
>         *Sent:* Friday, 28 August 2020 1:48 am
>         *To:* Discussion about MythTV
>         *Subject:* [mythtv-users] mythtv on Raspberry 4 4GB with 64
>         bit OS's
>
>             I got mythbackend and mythfrontend working on a RPi4 4GB
>             running from a
>             SSD using both Raspberry Pi OS (aarch64) and Ubuntu 20.04
>             aarch64.
>
>             However, to my eyes it made no difference. To me the RPI4
>             is still a
>             marginal frontend for USA OTA mpeg2 video.  If the scene
>             motion
>             increases the picture gets more jerky. Maybe at some point
>             ffmpeg on
>             aarch64 can make improvements.
>
>             So for now for a cheap system but great video quality, I'd
>             pick RPI4
>             4GB, USB3 SSD, with HDHR Quatro tuner for the backend and
>             FireTV 4K for
>             the frontend.
>
>             Jim A
>
>
>             _______________________________________________
>
>         I haven't been following closely- does the RPI4 need the
>         additional mpeg2 licence purchased / enabled or is that only
>         earlier versions?
>
>
>     No HW support for mpeg2 in RPI4 and therefore no license available.
>
>     JimA
>
>
> From everything I have previously read, there is enough CPU in it to 
> handle ATSC with 0 issues.  Do you have a playback profile with 4 cpus 
> allocated and the opengl or kernel deinterlacer set?

I have tried just about every combination, but best results seem to be 
with standard, 4 CPUs, OpenGL decode and deinterlacers. A lot of people 
might find what I can jerky acceptable. But with too much time on my 
hands I've done way too much comparison on worse case videos. I find 
Nvidia GT 1030/710 cards in Core i7 PCs to be flawless. I find the 
Nvidia Shield TV to be almost the same if not exactly the same. FireTV 
4K is right there also. RPi3s are good with LibrieELEC Kodi but I'm not 
a great lover of Kodi interface. But for mythfrontend on RPi4 I always 
find some part of an action scene that messes up a little and that 
bothers me.

When I travel in my RV, I take a RPI4 mythtv combo and it works okay 
enough for that but at home I just use Nvidia Shield. It's too 
convenient and runs all my streaming services.

Jim A


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mythtv.org/pipermail/mythtv-users/attachments/20200828/93be7bfa/attachment.htm>