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

[Dan Littlejohn]

On Wed, May 29, 2013 at 11:19 AM, John P Poet <jppoet at gmail.com> wrote:

>
>
>
> 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
>>> http://www.mythtv.org/mailman/listinfo/mythtv-users
>>>
>>>
>> 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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>
>
I finally got a chance to try this out and your patch works, there are
subtitles for my pvr150 recordings.

I will be putting in a bug fix into the myth tracker to hopefully have this
fixed in the main tree.  Thanks John!

Dan
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