Mailing List Archive: MythTV: Users

HD-PVR works, but not through mythtv

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nathan at robotics

Jul 9, 2009, 7:20 PM

Post #1 of 6 (775 views)
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HD-PVR works, but not through mythtv

I am running 2.6.29.4-167.fc11.x86_64 with HD-PVR firmware 0xf (also
tested 0x12) and DirecTV H23-600 in 720p mode, changing channels via
serial. I can cat /dev/video0 > test.ts and play it just fine, but I
can't get myth to record or watch live.

[root [at] opi ~]# mythbackend --version
Please include all output in bug reports.
MythTV Version : 20843
MythTV Branch : trunk
Library API : 0.22.20090707-1
Network Protocol : 45
QT Version : 4.5.1
Options compiled in:
linux release using_oss using_alsa using_backend using_dvb using_frontend
using_hdhomerun using_hdpvr using_iptv using_ivtv using_joystick_menu
using_lirc using_mheg using_qtwebkit using_v4l using_bindings_perl
using_bindings_python using_ffmpeg_threads using_live using_mheg

--------------

2009-07-09 21:13:12.775 External Tuning program exited with no error
2009-07-09 21:13:13.529 AutoExpire: CalcParams(): Max required Free Space: 3.0 GB w/freq: 15 min
2009-07-09 21:13:19.470 MPEGRec(/dev/video0) Error: Device error detected
2009-07-09 21:13:19.470 DevRdB(/dev/video0): Stop(): Not running.
2009-07-09 21:13:23.331 MPEGRec(/dev/video0) Error: Device error detected
2009-07-09 21:13:23.331 DevRdB(/dev/video0): Stop(): Not running.
2009-07-09 21:13:27.190 MPEGRec(/dev/video0) Error: Device error detected
2009-07-09 21:13:27.190 DevRdB(/dev/video0): Stop(): Not running.
2009-07-09 21:13:31.048 MPEGRec(/dev/video0) Error: Device error detected
2009-07-09 21:13:31.048 DevRdB(/dev/video0): Stop(): Not running.
2009-07-09 21:13:34.909 MPEGRec(/dev/video0) Error: Device error detected
2009-07-09 21:13:34.909 DevRdB(/dev/video0): Stop(): Not running.
2009-07-09 21:13:38.769 MPEGRec(/dev/video0) Error: Device error detected
2009-07-09 21:13:38.769 DevRdB(/dev/video0): Stop(): Not running.
2009-07-09 21:13:38.782 TVRec(1): Changing from Watching WatchingLiveTV to None
2009-07-09 21:13:38.783 Unknown type, recording width was 0
QMutex::lock: mutex lock failure:
Segmentation fault

><>
Nathan Stratton CTO, BlinkMind, Inc.
nathan at robotics.net nathan at blinkmind.com
http://www.robotics.net http://www.blinkmind.com
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ian at duckland

Jul 9, 2009, 9:58 PM

Post #2 of 6 (730 views)
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Re: HD-PVR works, but not through mythtv [In reply to]

On Thu, 2009-07-09 at 21:20 -0500, Nathan Stratton wrote:
> I am running 2.6.29.4-167.fc11.x86_64 with HD-PVR firmware 0xf (also
> tested 0x12) and DirecTV H23-600 in 720p mode, changing channels via
> serial. I can cat /dev/video0 > test.ts and play it just fine, but I
> can't get myth to record or watch live.

Make sure that /dev/video has the right perms such that the user that
runs mythbackend has access to it...

-I

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richardwoelk at yahoo

Jul 10, 2009, 6:02 AM

Post #3 of 6 (717 views)
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Re: HD-PVR works, but not through mythtv [In reply to]

Nathan Stratton wrote:
>
> I am running 2.6.29.4-167.fc11.x86_64 with HD-PVR firmware 0xf (also
> tested 0x12) and DirecTV H23-600 in 720p mode, changing channels via
> serial. I can cat /dev/video0 > test.ts and play it just fine, but I
> can't get myth to record or watch live.
>
>

Nathan,
I think this line is key.
> 2009-07-09 21:13:38.783 Unknown type, recording width was 0
>
Try adding a 3 second delay on the end of your channel change script.
This gives the video output of your STB to stabilize before the HDPVR
tries to record it.
I use an IR blaster and I have to give the STB's GUI time to go away, or
the HDPVR won't sync to the signal

HTH
- Richard

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nathan at robotics

Jul 10, 2009, 6:04 AM

Post #4 of 6 (727 views)
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Re: HD-PVR works, but not through mythtv [In reply to]

On Thu, 9 Jul 2009, Ian Forde wrote:

> On Thu, 2009-07-09 at 21:20 -0500, Nathan Stratton wrote:
>> I am running 2.6.29.4-167.fc11.x86_64 with HD-PVR firmware 0xf (also
>> tested 0x12) and DirecTV H23-600 in 720p mode, changing channels via
>> serial. I can cat /dev/video0 > test.ts and play it just fine, but I
>> can't get myth to record or watch live.
>
> Make sure that /dev/video has the right perms such that the user that
> runs mythbackend has access to it...

Tried that, also tried running myhtbackend as root.

-Nathan
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nathan at robotics

Jul 10, 2009, 6:14 AM

Post #5 of 6 (722 views)
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Re: HD-PVR works, but not through mythtv [In reply to]

On Fri, 10 Jul 2009, Richard Woelk wrote:

> Nathan Stratton wrote:
>>
>> I am running 2.6.29.4-167.fc11.x86_64 with HD-PVR firmware 0xf (also tested
>> 0x12) and DirecTV H23-600 in 720p mode, changing channels via serial. I can
>> cat /dev/video0 > test.ts and play it just fine, but I can't get myth to
>> record or watch live.
>
> Nathan,
> I think this line is key.
>> 2009-07-09 21:13:38.783 Unknown type, recording width was 0
>>
> Try adding a 3 second delay on the end of your channel change script. This
> gives the video output of your STB to stabilize before the HDPVR tries to
> record it.
> I use an IR blaster and I have to give the STB's GUI time to go away, or the
> HDPVR won't sync to the signal

Tried all the way up to 10 seconds.

-Nathan
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nathan at robotics

Jul 10, 2009, 6:31 AM

Post #6 of 6 (714 views)
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Re: HD-PVR works, but not through mythtv [In reply to]

On Fri, 10 Jul 2009, Richard Woelk wrote:

> Nathan Stratton wrote:
>>
>> I am running 2.6.29.4-167.fc11.x86_64 with HD-PVR firmware 0xf (also tested
>> 0x12) and DirecTV H23-600 in 720p mode, changing channels via serial. I can
>> cat /dev/video0 > test.ts and play it just fine, but I can't get myth to
>> record or watch live.
>
> Nathan,
> I think this line is key.
>> 2009-07-09 21:13:38.783 Unknown type, recording width was 0

Thanks, that helped! I fixed it by turning off digital audio in
mythtv-setup and going to RCA inputs. My SPDIF cable was bad and I guess
because it was not getting sound it would not start.

><>
Nathan Stratton CTO, BlinkMind, Inc.
nathan at robotics.net nathan at blinkmind.com
http://www.robotics.net http://www.blinkmind.com
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