[mythtv-users] 0.24 PVR-350

[Karl Newman]

On Tue, Jan 12, 2016 at 12:10 AM, Ken Smith <kens at kensnet.org> wrote:

> Hika van den Hoven wrote:
>
>> Tuesday, January 12, 2016, 12:09:35 AM, you wrote:
>>
>> Hika van den Hoven wrote:
>>>
>>>>
>>>> Monday, January 11, 2016, 10:47:08 PM, you wrote:
>>>>
>>>> Hi Myth people
>>>>> Please forgive this question about an old system. I have an 0.24 system
>>>>> on Centos 6 that has a number of DVB cards and a PVR-350 that worked
>>>>> well in the pre digital era, but I have never configured it on the 0.24
>>>>> setup.
>>>>> I wanted to capture the UHF Analog output from a Cable TV box. So I
>>>>> configured the PVR-350, which is /dev/video4, as an IVTV device, mapped
>>>>> the inputs and run mythtvsetup and it shows up as capture device 18.
>>>>> I've manually entered a channel number and a frequency but I get errors
>>>>> like:-
>>>>> 2016-01-09 19:23:52.619 Channel(/dev/video4) Error:
>>>>> GetCurrentChannelNum(801): Failed to find Channel
>>>>> 2016-01-09 19:23:52.637 Channel(/dev/video4)::TuneTo(801): Error,
>>>>> failed
>>>>> to find channel.
>>>>> If I tune the PVR-350 to the right channel with v4l2-ctl and run ffplay
>>>>> /dev/video4 I get the output I'd expect so the PVR-350 is working.
>>>>> I must have missed some setting somewhere - but what?
>>>>>
>>>>
>>>> Which connection did you use in Input connections?
>>>> Depending on how you connected it, you have to use S-Video 1 or
>>>> Composite 1 NOT Tuner 1, if the cable box does the tuning!
>>>>
>>>> Its the Tuner input I'm using as the signal from the Cable box is PAL-I
>>> on UHF at 735.25 Mhz. Even if my tuning was wrong I'd expect to see snow
>>> from the Tuner input but I get a black screen.
>>>
>> So you connected the cable box through the coax connection?
>>
>>
>> Yes - coax RF connection. :-) Ken
>
> Is there a way to increase the logging of Myth's interaction with the
> capture cards so that I can get a clue as to what's happening? Initially I
> used Myth to tune the card to 735.25 Mhz by selecting what I believe I've
> configured as Ch 801 in live TV mode. In live TV mode I got a black screen.
> But when I grabbed the output of the card with ffplay I got snow. If Myth
> had tuned the card I would have expected it to have been left tuned on
> 735.25 MHz but only when I used v4l2-ctl to do the tuning did the cable
> box's video appear through ffplay. I suspect that either Myth is not
> commanding the card or Myth is making the wrong settings on the card. When
> I look in Live TV mode I get a black screen and the error noted above. If
> Myth was reading /dev/video4 I'd at least expect to see a snow picture even
> if the tuning was wrong.
>
> Any thoughts??
>
> Thanks
>
> Ken


It looks like that frequency corresponds with PAL-I channel 54. I'm not
sure how you're entering the channel frequency, but have you tried setting
up the tuner with a PAL frequency table and presetting the channel to 54
(in mythtv-setup)?

Karl
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mythtv.org/pipermail/mythtv-users/attachments/20160112/8a1ebe4e/attachment.html>