[mythtv-users] Mythtv on Rock Pi X

Calvin Dodge caldodge at gmail.com
Thu Jan 14 16:43:53 UTC 2021

Thanks for your reply.  Arm-based Myth Frontends are off my list until
I see a report that 1) they can do HD without stuttering (which I
experienced with a Pi 3 with the MPEG license installed) , and 2) I
can set one up without a lot of hassle.
For the Rock Pi X I simply installed Fedora 33, installed the
rpmfusion repo rpms, and installed and configured MythTV in the same
way that I've done many times.


On Wed, Jan 13, 2021 at 9:21 PM James Linder <jam at tigger.ws> wrote:
> > On 14 Jan 2021, at 10:39 am, Calvin Dodge <caldodge at gmail.com> wrote:
> >
> > Hi,
> >
> > I've been looking around for suitable low power frontend systems which
> > can do HD video and involve minimal effort to setup (i.e., I can use
> > the distro I have been using).  I have some existing ECS Liva systems,
> > but they fail a bit at a time until they die, and 2G of RAM isn't
> > enough for sustained usage, especially when editing recordings to
> > ready them for clipping. Typically Mythfrontend grabs a little more
> > memory, then a little more, until kswapd goes to 100% CPU, and I have
> > to power-cycle the frontend.
> >
> > I heard recently about the Rock Pi X, an X86 single board computer
> > with the same size and port locations as a Raspberry Pi, so I thought
> > I'd give it a try.
> >
> > I opted for the 4G board with 32G of onboard MMC storage ($75).  Of
> > course, I had to add a case with heat sink and power supply, bringing
> > the total to around $132.  That doesn't include an RTC battery (on
> > order), which isn't necessary, but still handy to let the system
> > retain its CMOS settings and RTC time when no power is connected.
> >
> > I installed Fedora 33 on it (using the LXDE spin), and the latest
> > version of MythTV from the rpmfusion site.
> >
> > So far it's working great.  When I'm playing a 1080p MP4, CPU usage is
> > about 33%.  I even tested it on my 4K monitor with 1080p video, and it
> > ran without any noticeable hesitations (the controls were a little
> > sluggish, which is understandable).
> >
> > The only caveat I have is that AFTER I had bought everything,
> > including a CanaKit 5V 3A power supply, I noticed the WIki site
> > (https://wiki.radxa.com/RockpiX) had a stern warning against running
> > the system with a 5v-only power supply, stating that it could cause
> > problems when the system is under load.  But so far it's working for
> > me.  I'll let you know if that continues to be the case.
> Calvin thanks.
> I must try my X to see if that runs OK. In general the RockPI 4 is noticably quicker than the X.
> (I edited a video clip on the X and on my macbook (6core i7)
> On the X cut and render using shotcut took 68 min. On my mac it took 4 min. Somewhat disheartened.
> but on https://www.explainingcomputers.com/rockpi4.html he shows quit nice 4K rendering.
> The short case is easy, the full case I tried 50 times and suceesed 1. (and I left off the RTC battery so it was back to step 1
> Here’s a picture
> http://tigger.ws/downloads/IMG_2508.JPG
> James
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