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<p><font face="Times New Roman">I use a NUC just like that in our
bedroom, it's a celeron early version of the NUC. My wife is
the only one that really watches TV in there. She's terribly
fussy, but I haven't heard any complaints about it. I'm still
running Myth .28 as well.</font></p>
<p><font face="Times New Roman">It does use VAAPI, and it's not
unduly slow or anything. Picture looks good to me, and no
complaints from her. We're don't have any shows in 4k however.
She doesn't use picture-in-picture or anything.<br>
</font></p>
<p><font face="Times New Roman">I also run Kodi on a couple of
RP4s. The plugin for Myth works fine, the picture looks really
good - but I much prefer the seeking/fast-forward skills of
mythfrontend. Because I'm still on .28, I haven't tried any of
the fancy new mythfrontends for the RP4.</font></p>
<p><font face="Times New Roman">If you are just running
mythfrontend, you really don't need more than 4GB of RAM. I'm
positive I have that in my NUCs. If not less.</font></p>
<p><font face="Times New Roman">For reference, I have one headless
backend, use the HDHomerun Prime with Comcast (so compressed
signal). Stream to 3 TV's and one computer.<br>
</font></p>
<div class="moz-cite-prefix">On 12/29/19 10:20 AM, Ken Mandelberg
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:812c87be-6835-b678-fde8-835a10171858@mathcs.emory.edu">Jim
<br>
<br>
Thanks for all the info. I am interested in the RPi4 solution, but
still concerned about no GPU support.
<br>
<br>
I notice that Newegg has a low end 7th generation NUC for $138
(BOXNUC7CJYH1) thats with a
<br>
2.0 GHz - 2.7 GHz burst, Dual-Core Celeron J4005 and a UHD 600
Graphics. 4GB of ram is $18 (although I would probably go for 8G
at $36).
<br>
<br>
RPi4 with case +fan + power with 4GB, is about $85, so that
comparison in cost is $85 vs $156.
<br>
<br>
I presume the UHD 600 GPU would make use of vaapi (with
improvements under the new render).
<br>
<br>
Which solution would work better running as a frontend running the
master?
<br>
<br>
Right now the 10 year old Macmini FE/BE is running Ubuntu without
internal storage, root and media on a huge USB SATA disk. The mini
is only USB 2 while the disk is USB 3, so either RPi or NUC would
be a win.
<br>
<br>
(By the way, I run the HDHR-3 for US cable, waiting not so
patiently for the HDHR Prime 6.)
<br>
<br>
Ken
<br>
<br>
<br>
<br>
Jim Abernathy wrote on 12/26/19 8:10 PM: Celeron j4005
<br>
<blockquote type="cite">
<br>
On 12/26/19 4:57 PM, Ken Mandelberg wrote:
<br>
<blockquote type="cite">My 10 year old Macmini/HDHR running
Ubuntu Myth front/backend is having issues. I'm looking for a
very low cost replacement. I build the trunk frequently, and
want the standard frontend not Kodi. The Mac has an old Nvida
GPU which worked well for years, and I really want something
with a GPU that Myth supports.
<br>
<br>
From what I read there is no GPU support on the PI4, which
other than would be a nice price point.
<br>
<br>
I know a NUC would work, but they start getting pricey once
configured, and its not clear to me what the cheapest one
without media format limitations is. I know there are other
boxes in similar form factor, but don't know if there is a
better value than a NUC.
<br>
<br>
Storage is not an issue, I already use a large USB disk for
both root and the media on the mini.
<br>
<br>
It seems like even cheap phone/tablet SOCs have better GPUs
than the old Nvidia.
<br>
<br>
<br>
</blockquote>
I've done a lot of testing recently. The RPi4 is an excellent
backend with HDHR Quatro as a networked tuner. That gives you 4
tuners and the CPU horsepower to handle the recording using a
USB3 SATA SSD or even hard drive.
<br>
<br>
The good news is the RPi4 can also handle 4 recordings and do
the mythtv-frontend at the same time. For me that's 4 OTA mpeg2
programs while displaying a previously recorded program. The
quality is quite good for the video playback.
<br>
<br>
However a separate FE is slightly better. I've tested a RP3B+
running LibreELEC (KODI) with the kodi-pvr-mythtv addon. I've
also tested the FireTV Stick 4K running the Mythtv-frontend and
the Mythtv-leanfront. Both are excellent.
<br>
<br>
So for cheapest do a Combo RPi4 FE/BE with a 1TB USB3 SATA SSD
using an adapter. For best leave the RPi4 as a backend only and
use the FireTV stick 4K as the frontend.
<br>
<br>
That's the cheapest I've found. Since storage is the same for
any solution, the comes down to $25 for the FireTV stick 4K and
$100 for a RPi4 4GB DRAM kit.
<br>
<br>
I'm parallel testing both my Core i7 Sandybridge backend with
hard drives again the RPi4 backend. Using the FireTV stick 4K
and a Shield TV frontend on both. No difference in quality of
recordings or playback.
<br>
<br>
Jim A
<br>
<br>
<br>
<br>
</blockquote>
<br>
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