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

JWA jwa at macbidouille.com
Thu Jul 22 20:56:26 UTC 2010


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 1.5.7.0, -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?


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