[mythtv-users] HDPVR setup problems

Hika van den Hoven hikavdh at gmail.com
Mon Jun 1 11:48:31 UTC 2015


Hoi Karl,

Monday, June 1, 2015, 7:17:38 AM, you wrote:

> On Sun, May 31, 2015 at 10:05 PM, Fred Hamilton <fred at yonkitime.com> wrote:

>> On Sun, May 31, 2015 at 2:39 PM, Jack McGee <jack at greendesk.net> wrote:
>>
>>> First, it seems even if MythTV cannot change channels, I should at least
>>> be able to record whatever the cable box is tuned to, correct?
>>>
>>
>> I had a similar problem a few weeks ago.  IIRC, I was trying to record
>> something on Myth using my HD-PVR, and I had left the channel change
>> command blank in mythtv-setup.
>>
>> That didn't work.  If MythTV can't execute  channel change command, it
>> doesn't try to record.  At least that's how I remember it.  Once I
>> installed 6200ch (I change channels via firewire), it worked fine.
>>
>> But, I can cat /dev/video0 > test.ts and get a file I can playback.
>>>
>>
>> That's what I saw as well.
>>
>> Why can't Myth record a file and where else should I look for clues?
>>>
>>
>> Work on getting the channel change command working.  You can debug it
>> easily by connecting your TV directly to your cablebox and executing the
>> channel change command outside of mythtv.  Once that's working reliably,
>> add it to MythTV setup and see if you can record normally again.
>>
>> Yes, I encountered that a few months ago when a package update broke my
> channel change scripts. Unfortunately the default verbosity log did not
> show the channel change failure (I submitted a patch to change that but it
> might not show up until 0.28). If you just want to do a quick test without
> spending a lot of time getting your channel change script working, you
> could temporarily use '/bin/true' as your channel change command. FYI, I
> seem to recall that a lot of users choose not to use the built-in IR
> blaster with the 1212 because of reliability issues. As always, though,
> YMMV.

> Karl

So if this is so and you want to test if recording works. Put in a
dummy channel change command like `sleep 1`. It will return 0, so
mythtv will think succes!

Tot mails,
  Hika                            mailto:hikavdh at gmail.com

"Zonder hoop kun je niet leven
Zonder leven is er geen hoop
Het eeuwige dilemma
Zeker als je hoop moet vernietigen om te kunnen overleven!"

De lerende Mens



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