[mythtv-users] HDPVR problems

[Tom Runner]

Logs are in /var/log/mythtv

you should start without changing script until you have a working
configuration. So setting /bin/true.



On Sun, Feb 6, 2011 at 4:08 AM, Mark Dryden <renegade8040 at gmail.com> wrote:

>
>
> On Sat, Feb 5, 2011 at 5:25 AM, Tom Runner <tomj.runner at gmail.com> wrote:
>
>>
>>
>> On Sat, Feb 5, 2011 at 9:06 AM, Mark Dryden <renegade8040 at gmail.com>wrote:
>>
>>>
>>>
>>> On Fri, Feb 4, 2011 at 5:39 PM, Ramin K <ramin-list at badapple.net> wrote:
>>>
>>>> On 2/4/2011 4:04 PM, Mark Dryden wrote:
>>>>
>>>>> Hi,
>>>>> I followed the instructions found at http://www.mythtv.org/wiki/HDPVR
>>>>> and everything goes well until I get to the part where you run the
>>>>> command "cat /dev/video1 > test.ts".  I get the error message "cat:
>>>>> write error: Bad address".  I'm not exactly sure why and I have been
>>>>> trying to figure it out for the past 2 days.  I also can't view live
>>>>> tv,
>>>>> it shows up as a black screen.  Any suggestions?
>>>>>
>>>>
>>>>        Are you sure your device is on /dev/video1 instead of /dev/video0
>>>> which is usually the default? Do an ls /dev and see which /dev/videoXX you
>>>> have, then follow the wiki based on that.
>>>>
>>>> Ramin
>>>> _______________________________________________
>>>> mythtv-users mailing list
>>>> mythtv-users at mythtv.org
>>>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>>>
>>>
>>>
>>> My device is on /dev/video0 for sure.  Using Roberts suggestion I ran
>>> "v4l2-ctl --device=/dev/video0 --set-input=2" to set the video input to be
>>> composite.  Now I can use the cat command to create a video file that
>>> actually works.  I have a new problem though.  When I open the mythtv front
>>> end, the video input is set to 0 which is component.  I think that's why I'm
>>> getting a black screen when I try to watch live tv from the front end.  I
>>> have the back end capture card setup to use the composite inputs but that
>>> doesn't seem to work.  Also I now know that my channel change script doesn't
>>> work.  Why would the front end switch the video input on me?
>>>
>>> _______________________________________________
>>> mythtv-users mailing list
>>> mythtv-users at mythtv.org
>>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>>
>>> Hi Mark,
>>
>> Normally the command "v4l2-ctl --device=/dev/video0 --set-input=2" will
>> just set temporarily the input and will not override the mythbackend setup.
>> During the various test I made, I noticed the HDPVR is touchy with the
>> cables. I faced sometimes the /dev/video0 being changed to /dev/video1,
>> simply because I unplugged the usb cable (I'm using ubuntu).
>> What I would check:
>> - on the  HDPVR, only having composite cable being plugged, if for
>> instance you have spdif in but not out, it may not work
>> - on the backend, cross-check again the card is well set on /dev/video0
>> - backend input card, making sure you have your source setup on Composite
>> (3r line normally). I guess your problem is here.
>> - still backend input card, composite, making sure you have /bin/true in
>> the "external channel change"
>>
>> Finally if all is good, please provide the log error.
>>
>>
>>
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>
>>
> I finally figured out why its changing to component and not using the
> composite.  On the "Input Connections" page, I had set up the component
> input with the video source and not the composite one.  Once I removed the
> video source from the component and added it into the composite, it stopped
> giving me the above problem.  I'm still not getting any video when I go to
> watch live tv though.  And my channel changing script works when I call it
> on the command line, but it doesn't work through the live tv page.  I
> noticed that when I use the cat command the HDPVR lights up blue, but when I
> try to watch through the live tv page it doesn't.  Anyone have any
> suggestions.  Also, where is the error log files located?
>
>
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mythtv.org/pipermail/mythtv-users/attachments/20110206/75c7acc8/attachment.htm>