[mythtv-users] Is Nvidia Shield the future for Mythtv Frontend??
James Abernathy
jfabernathy at gmail.com
Wed Dec 26 17:04:00 UTC 2018
On 12/26/18 11:53 AM, Greg Oliver wrote:
> On Wed, Dec 26, 2018 at 10:30 AM James Abernathy
> <jfabernathy at gmail.com <mailto:jfabernathy at gmail.com>> wrote:
>
> On Dec 26, 2018, at 9:46 AM, glen <glenb at glenb.us
> <mailto:glenb at glenb.us>> wrote:
>> On Tue, 2018-12-25 at 22:16 -0500, James Abernathy wrote:
>>> On 12/25/18 9:41 PM, glen wrote:
>>>> On Tue, 2018-12-25 at 18:45 -0500, James Abernathy wrote:
>>>>> While sitting around during the holidays watching TV, I
>>>>> started thinking about how to improve my home media center.
>>>>> My backend is a powerful server with RAID so I’m covered
>>>>> there. My Frontends need some work though. It maybe my brain
>>>>> going crazy, but I no longer think my Ivy Bridge i3 NUC is not
>>>>> up to the task. Too much tearing at the bottom of the screen
>>>>> no matter what settings I use. This started as the kernels got
>>>>> updated on Ubuntu 16.04 in prep for moving to 18.04. My guess
>>>>> is improving the drivers for the new Intel chips they messed
>>>>> up the old 3rd Core generation drivers.
>>>>>
>>>>> Even my RP3 B+ has better video performance. Since I use
>>>>> FireTV in addition to Mythtv, I’m thinking of something like
>>>>> the Nvidia Shield. It can run all the apps that the FireTV
>>>>> does and it plays games and runs mythtv frontend.
>>>>>
>>>>> At $150, I can’t buy a more powerful PC than what I have. So
>>>>> I’m thinking the Shield is right solution moving forward
>>>>> without breaking the bank.
>>>>>
>>>>> What do others think??
>>>>>
>>>>> Jim A
>>>>>
>>>>>
>>>>>
>>>> i have 2 shields i got for very low price. i agree to be able to have netflix, amazon, hbogo etc plus mythfrontend
>>>> is a big advantage. mythfrontend runs pretty well. i have a little trouble with h264 using mediacodec so i use ffmpeg
>>>> codec for everything. also for me only ffmpeg codec allows subtitles. playback is acceptable. not as good as on my backend,
>>>> a ryzen 7 with nvidia 750 ti. you could also try to build from master and check out the vaapi 2 and see if that improves
>>>> the nuc's before you take the plunge. overall i'm quite happy with the shield on a 4k tv and thanks to the great
>>>> work by peter bennet now having mythfrontend makes a really versatile solution for me.
>>>>
>>> The advances of small multi-core CPUs with built-in GPU has been
>>> great since I retired from the industry. I know that a PC that
>>> you spend $400 for will do the job. Also an old PC with a good
>>> Nvidia graphics card with do the job. For me form factor is
>>> also a big issue. That's why I spent a lot of time debugging
>>> performance on the 3rd gen Core i3 NUC. But that performance is
>>> going down not up.
>>>
>>> The RP3 B+ is quite good on Kodi but still lacking on
>>> mythfrontend. Neither can do SlingTV, Prime Video etc.
>>>
>>> So if the developers are spending their time on Nvidia Shield
>>> then that may be the direction I should head. The hardware specs
>>> on the Shield are impressive and the price is nice. I am
>>> sticking with v29 on the backend because it's stable. I know the
>>> pre30 mythfrontend works on my Macbook with the v29 backend, but
>>> had missing libraries on the RP3 with Raspbian. So I can't see
>>> if any improvements have happened on the RP3.
>>>
>>> From monitoring the mailing list I see there are a number of
>>> people with the Shield. My use case for the Shield would be
>>> Mythfrontend displaying recorded MPG2 files from OTA tuners. I
>>> use the HDHR Quatro and Connect devices.
>>>
>>> Jim A
>>>
>>>
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>>> https://forum.mythtv.org <https://forum.mythtv.org/>
>>
>> i run the mythfrontend on a shield and also use the hdhomerun
>> quattro as well as hdpvr. the files play without stutter and any
>> frontend features i use all work. i do have to use a cheap usb
>> wireless backlit keyboard to do edits and other functions as the
>> remote is limited (at least for me). that was another 10 dollars.
>> i can't answer about question on dvb streams but i think if u.s.
>> mpeg2 hd plays those would also play. i have mpeg2 files that go
>> over 6gigs/hour. only issue i had was on hdpvr content or other
>> iptv content in h265 that i had to change codec. but they play.
>
> So if the MPEG2 videos from the HDHR Quatro are good on the Shield
> then I may make the jump to it. I also use the USB wireless
> keyboard for editing and setup.
>
> Just make sure you create the playback profiles from the wiki and
> indeed, everything played back very nicely and de-interlacing was
> excellent.
So now for the stupid question. When you say de-interlacing was
excellent, what do you mean? On what content does that matter? I only
watch HDTV recordings from a HDHR Quatro via OTA antenna. It's usually
720P or 1080i depending on channel and program. Both of those I consider
HDTV.
Jim A
> I use HDPVRs and HDHRs (original models) as well here in the US.
>
>>
>> i don't know firestick 4k, but i had a cheap box with the s905x
>> arm, same as mibox, and it was pretty bad on mythfrontend. shield
>> a world of difference on mythfrontend and everything else. i did
>> put libreelec on the cheap box and kodi worked really well fwiw.
>> hope that answers some of your questions.
>>
>
>
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