[mythtv-users] HD Hiomerun works better in HDHomeRun viewer than MythTV
Don Brett
dlbrett at zoominternet.net
Thu Jan 24 23:46:23 UTC 2019
On 1/3/2019 1:42 PM, Gary Buhrmaster wrote:
> On Thu, Jan 3, 2019 at 2:39 PM Don Brett <dlbrett at zoominternet.net> wrote:
>
>> Thanks Gary; network questions and dropped packets seem to be the
>> consensus so far. I tried the network test from the Silicon Dust
>> thread; it worked perfectly, with zero errors. I assume
>> hdhomerun_config is using TCP.
> Nope, hdhomerun_config uses UDP, just like MythTV.
>
> But it is *critcal* to run the test on the same system
> as the MythTV BE. There are many issues with some
> system(s) and their hardware and/or drivers and/or
> configuration of the IP stack that can be a contributing
> factor.
>
Not sure why this test didn't work before, but it does now. I verified
the pixelation was happening in myth, then ran the test on that same RF
channel, directly on the be/fe box, for 104 minutes. Results are:
don at nick:~$ hdhomerun_config FFFFFFFF set /tuner0/channel auto:36
don at nick:~$ hdhomerun_config FFFFFFFF save /tuner0 null
.........several row of dots..........
-- Video statistics --
11,480,828 packets received, 0 overflow errors, 0 network errors, 0
transport errors, 0 sequence errors.
It looks like the test received over 11 million packets, with no
errors. I'm not sure what this means....same hardware, same OS, same
TCP stack...what's next?
PS - Transmitter info is below; I've noticed that TV channel 21 is less
bad than 27 and 33. I located my attenuator. I'll install it and see
what happens.
The local channels are 21, 27, and 33
Distance Heading RF channel TV channel
4 mi 351 deg auto:20 21.1
4 mi 351 deg auto:20 21.2
2 mi 353 deg auto:36 27.1
2 mi 353 deg auto:36 27.2
2 mi 353 deg auto:36 33.1
2 mi 353 deg auto:36 33.2
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