[mythtv-users] small portable DVR

James Abernathy jfabernathy at gmail.com
Wed Jan 16 12:54:27 UTC 2019

On 1/15/19 3:37 PM, James Abernathy wrote:
> On 1/15/19 11:24 AM, Jay Harbeston (ISeePeople) wrote:
>>> On Jan 15, 2019, at 10:31 AM, James Abernathy <jfabernathy at gmail.com 
>>> <mailto:jfabernathy at gmail.com>> wrote:
>>> Well, this test of mythtv-backend on an RP3 B+ is probably over. I 
>>> setup the RP3 with Raspbian LIte Stretch 9 and boot from USB 
>>> External Hard Drive. Using the Build from Source Wiki I got mythtv 
>>> built without errors but I could not do the Ansible dependence 
>>> stuff. Had to do that the old fashion way.
>>> I could get the backend setup for HDHR internal method, and set no 
>>> grabber of EPG.  So when Kodi on another system connected it could 
>>> see the channels, but I could not play one. I’m  not sure way? 
>>> Usually if the mysql permissions aren’t right you can’t even get 
>>> that far. I got no errors in any logs I could find.
>> You need to visit the raspberry pi page on mythtv.org 
>> <http://mythtv.org>. In it there is a mythtv-lite package that you 
>> want to install on raspbian stretch available from raspberry pi.org 
>> <http://pi.org>. No need to compile yourself.
>> Just follow the instructions on the referenced page from mythtv.org 
>> <http://mythtv.org>.
>> Incidentally using the package referenced above for v29, I am able to 
>> record from 2 tuners, as well as watch from a 2nd raspberry pi 
>> running mythtv-light set up as a frontend machine. I also have the 
>> mp2 license installed, and it works well when following the 
>> instructions outlined on the mythtv.org <http://mythtv.org> raspberry 
>> pi page.
>> Again, make certain to follow the instructions if you are interested 
>> in raspbian stretch and mythtv-lite method.
>> Regards,
> This was a real pain but I got it working. As we all know with mythtv 
> there are 99 things that have to be perfect for it to work and I 
> forgot an important one. On the backend the IP in General was still 
> localhost.  I changed that to it's real IP of and 
> everything worked. I usually forget the Security PIN of 0000.
> So we know it works on the RP3 using Mythtv-Light and adding the 
> database. still need to get mythweb working. I must have missed a step 
> there.
> Jim A

Okay, my initial test worked. I setup to record 2 HDTV programs at the 
same time from a HDHR Duo.  Then once the recordings started I could use 
mythfrontend to view either recording while both programs were still 
recording.  With a Duo that's as much as you could do. I ran this test 
at a time when no other system wanted to use the HDHR since I was using 
the standard HDHR setup and not mythhdhrrecorder external recorder that 
does share.

I have some major concerns about using this on a home network though. To 
share the HDHRs I would have to use mythhdhrrecorder and that sort of 
forces me to tv_grab_zz_sdjson_sqlite which is supposed to be a huge 
memory hog.  The RP3 only has 1GB for everything. For my test described 
above I use an external xml file to fill the EPG so memory wasn't an issue.

Jim A

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