[mythtv-users] Is Nvidia Shield the future for Mythtv Frontend??

James Abernathy jfabernathy at gmail.com
Wed Dec 26 16:29:17 UTC 2018


> On Dec 26, 2018, at 9:46 AM, glen <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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> 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.

> 
> 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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