[mythtv-users] hd-pvr problem recording audio after firmware update

Justin Johnson justin.johnson3 at gmail.com
Fri Jul 23 13:39:32 UTC 2010

On Thu, Jul 22, 2010 at 4:56 PM, JWA <jwa at macbidouille.com> wrote:
> On Thu, Jul 22, 2010 at 06:19, Justin Johnson <justin.johnson3 at gmail.com> wrote:
>> On Wed, Jul 21, 2010 at 6:22 PM, JWA <jwa at macbidouille.com> wrote:
>>> Hello All,
>>> I was having problems with my hd-pvr's recordings (it would have
>>> breaks in the recordings causing it to miss 30 seconds or so every so
>>> often).  So I decided to update the firmware to see if that would fix
>>> the problem.  The good news is that I no longer have that problem.
>>> That bad news is that now the audio will randomly not work when
>>> recording (it worked without a problem before).  Usually it will
>>> record fine for a couple shows, and then when it stops working it
>>> won't work for any more recordings until I restart mythbackend.  I
>>> tested recording on my Mac (with EyeTV) and had no problem with the
>>> audio, so I know it's not a hardware problem.
>>> The one odd thing I noticed about the recordings is that the ones that
>>> don't work say they are aac.  I have SPDIF chosen as the input and all
>>> the recording profiles say AC3 for the audio format.  I have tried all
>>> of the recording profiles and the problem happens with all of them.  I
>>> even tried creating a new recording profile, just to test, but it
>>> doesn't show up in the front end as an option (which I guess it
>>> another problem but not that important).
>>> I tried updating to the latest version of Ubuntu (10.04) and MythTV
>>> (0.23) to see if that would fix it, but I still get the same problem.
>>> I don't know if it's needed, but here's the dmesg output:
>>> [59281.690062] usb 1-5: new high speed USB device using ehci_hcd and address 7
>>> [59281.868016] usb 1-5: configuration #1 chosen from 1 choice
>>> [59282.067504] hdpvr 1-5:1.0: untested firmware version 0x15, the
>>> driver might not work
>>> [59282.380416] hdpvr 1-5:1.0: device now attached to /dev/video0
>>> and here's the modinfo:
>>> filename:
>>> /lib/modules/2.6.32-24-generic/kernel/drivers/media/video/hdpvr/hdpvr.ko
>>> description:    Hauppauge HD PVR driver
>>> author:         Janne Grunau
>>> license:        GPL
>>> srcversion:     9E493050A99F9F194A6B10B
>>> alias:          usb:v2040p4902d*dc*dsc*dp*ic*isc*ip*
>>> alias:          usb:v2040p4901d*dc*dsc*dp*ic*isc*ip*
>>> alias:          usb:v2040p4900d*dc*dsc*dp*ic*isc*ip*
>>> depends:        videodev,v4l2-common
>>> vermagic:       2.6.32-24-generic SMP mod_unload modversions
>>> parm:           video_nr:video device number (-1=Auto) (array of int)
>>> parm:           hdpvr_debug:enable debugging output (int)
>>> parm:           default_video_input:default video input: 0=Component /
>>> 1=S-Video / 2=Composite (uint)
>>> parm:           default_audio_input:default audio input: 0=RCA back /
>>> 1=RCA front / 2=S/PDIF (uint)
>>> parm:           boost_audio:boost the audio signal (bool)
>>> Thanks for any help.
>>> -JWA
>> Just to add to this discussion, I've got the same issue. Firmware
>> version, -fixes 25368. I've just switched over to RCA for now.
>> I just got the HD-PVR and started with this firmware so I've never
>> seen it work consistently. Changing the delay in the channel change
>> script has no effect, simply causing other problems. I see the same
>> issue, where the audio is identified as AAC when it doesn't work,
>> though it seems to not be correlated to any specific channels as I can
>> make it happen in liveTV by just changing channels, then if I change
>> the channel and come back to the original (non-working) channel it
>> will work this time. I install from the repositories so I'm not really
>> in a position to apply any patches. Just thought I'd add another data
>> point.
>> --Justin Johnson
> What STB/provider do you have?

I've got a RNG110 with Comcast. Ubuntu 10.04, 2.6.31-20-generic (x64).
I'm changing channels via firewire and have not compiled the hdpvr
module myself.
--Justin Johnson

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