[mythtv-users] Old Mac Mini vs RPI as frontend/backend

James Abernathy jfabernathy at gmail.com
Fri Oct 25 20:24:57 UTC 2019

> On Oct 25, 2019, at 2:13 PM, Ken Mandelberg <km at mathcs.emory.edu> wrote:
> I have a 2009 Macmini running Ubuntu serving as both a front and back end for Myth, with a very large USB drive for the media. As far as the backend it runs well despite having accumulated years of database entries, and the frontend works well because of the Nvidia 9400M. It also has 8GB of ram
> However, the internal drive does have some bad blocks, and I'm thinking its time to move on. I also hate jumping through hoops with refind and its booting scheme to work around Old mac firmware.
> Would an RPI 4 be an adequate substitute?
> The maximum 4GB of Ram seems like it could be a problem for the backend functions, like mythcommflag, running concurrently with the frontend. I also don't know how the Myth GPU support for RPI stacks up against Nvidia 9400M/VDPAU
> Suggestions?

I am using a RPi 4B with 4GB of RAM as a combo FE/BE and I’m surprised about how good it is.  I ran mythcommflag for a while, but since OTA network commercial skip doesn’t work very well for my programs I turned it off to save CPU performance.  I can record 4 programs at once and watch a previously recorded program at the same time. My tuners are HDHR Quatro.

I can only speak to the use in OTA HD 1080i and 720P mpeg2 programs from the USA.  I posted a summary of what I did here:
https://forum.mythtv.org/viewtopic.php?f=46&t=3331 <https://forum.mythtv.org/viewtopic.php?f=46&t=3331>

Jim A

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