[mythtv-users] mythtv 0.26, pvr150, and VBI

[John P Poet]

On Wed, May 29, 2013 at 9:26 AM, Dan Littlejohn <dan.littlejohn at gmail.com>wrote:

>
>
> On Wed, May 29, 2013 at 10:15 AM, John P Poet <jppoet at gmail.com> wrote:
>
>>
>> On Tue, May 28, 2013 at 10:11 PM, Dan Littlejohn <
>> dan.littlejohn at gmail.com> wrote:
>>
>>> I recently bought an old pvr150 to try and get closed captions to work
>>> on our dish recordings.  It records fine, but still no VBI and I am not
>>> sure what this error is telling me.
>>>
>>> 2013-05-28 23:06:48.204570 I [2533/2585] TVRecEvent tv_rec.cpp:1043
>>> (HandleStateChange) - TVRec(3): Changing from None to RecordingOnly
>>> 2013-05-28 23:06:48.209599 I [2533/2585] TVRecEvent tv_rec.cpp:3562
>>> (TuningCheckForHWChange) - TVRec(3): HW Tuner: 3->3
>>> 2013-05-28 23:06:48.237386 I [2533/2585] TVRecEvent v4lchannel.cpp:661
>>> (SetInputAndFormat) - V4LChannel(/dev/video0): SetInputAndFormat(3, NTSC)
>>> (v4l v2) input_switch: 0 mode_switch: 0
>>> 2013-05-28 23:06:52.568117 I [2533/2585] TVRecEvent tv_rec.cpp:4056
>>> (TuningNewRecorder) - TVRec(3): rec->GetPathname():
>>> '/store/tv/2118_20130529040700.mpg'
>>> 2013-05-28 23:06:52.619924 W [2533/2756] RecThread mpegrecorder.cpp:864
>>> (SetVBIOptions) - MPEGRec(/dev/video0): Unable to enable VBI embedding
>>>                         eno: Invalid argument (22)
>>> 2013-05-28 23:06:56.168135 I [2533/2586] HouseKeeping
>>> housekeeper.cpp:221 (RunHouseKeeping) - Running housekeeping thread
>>> 2013-05-28 23:07:02.228775 I [2533/2695] ProcessRequest
>>> mainserver.cpp:1395 (HandleAnnounce) - MainServer::ANN Playback
>>> 2013-05-28 23:07:02.228789 I [2533/2695] ProcessRequest
>>> mainserver.cpp:1397 (HandleAnnounce) - adding: one as a client (events: 0)
>>> 2013-05-28 23:07:03.111910 I [2533/2695] ProcessRequest
>>> recorderbase.cpp:395 (GetKeyframePositions) - RecBase(3:/dev/video0):
>>> GetKeyframePositions(241,9223372036854775807,#3) out of 20
>>> 2013-05-28 23:07:10.111152 I [2533/2695] ProcessRequest
>>> mainserver.cpp:1395 (HandleAnnounce) - MainServer::ANN Playback
>>> 2013-05-28 23:07:10.111161 I [2533/2695] ProcessRequest
>>> mainserver.cpp:1397 (HandleAnnounce) - adding: one as a client (events: 0)
>>> 2013-05-28 23:07:10.458248 I [2533/2695] ProcessRequest
>>> recorderbase.cpp:395 (GetKeyframePositions) - RecBase(3:/dev/video0):
>>> GetKeyframePositions(376,9223372036854775807,#9) out of 35
>>>
>>> I have tried changing the recording profile
>>>
>>> DVD
>>> 48000
>>> 720 x 480
>>> layer II - 320
>>>
>>> Does anyone have a tip?
>>>
>>> Dan
>>>
>>
>> Are you using a recent kernel?  Recently something changed and the
>> ioctl's to setup VBI now need to be made again /dev/vbi? instead of
>> /dev/video?.  Myth probably needs updated to do that -- but only for the
>> right kernel versions.  I have not done the research to figure which kernel
>> version that started with.  If anyone knows we might be able to update Myth
>> appropriately.
>>
>> I don't try and use my pvr-500 to record into myth, I *just* use it to
>> grab CC for my HD-PVR recordings.  CC stopped working a couple of months
>> ago, and I finally figured out that I had to change my CC script to talk to
>> /dev/vbi? instead.  I am using a modified version of the script from here
>> http://www.mythtv.org/wiki/Captions_with_HD-PVR .
>>
>>
>> John
>>
>>
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
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>>
>>
> Bummer.  I am using the 3.7.10 kernel on Gentoo.
>
> I don't see anywhere in the mythtv-setup to update the CC source and I am
> guessing there is no script I can manually change.
>
> If there is no easy fix maybe I will try these HD-PVR scripts.  Where
> there any other major changes that would be helpful to know besides the
> /dev/vbi VBI setup?
>
> Dan
>

The attached patch is completely untested, doesn't check for kernel
version, etc., but may be worth trying...

John
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