[mythtvnz] Off Topic - CCTV cameras

Nick Rout nick.rout at gmail.com
Thu Jul 8 05:26:29 BST 2010


On Thu, Jul 8, 2010 at 3:40 PM, Steve Hodge <stevehodge at gmail.com> wrote:
> On Thu, Jul 8, 2010 at 3:26 PM, <criggie at criggie.dyndns.org> wrote:
>>
>> It does have mono audio in, but none of my cameras have microphones so
>> its really irrelevant to me.
>
> Ah, that's a problem. I don't think I'd be willing to live with mono. I
> guess it would be possible to record the audio separately and then remux it
> into the h.264 stream but it'd be hard to get the sync right.
>
>> The PVR150 is a nice card - what's wrong with yours ?
>
> The audio gets very distorted and full of static when starting a recording.
> It's apparently not that unusual as I easily found a work-around on the net:
> resetting the audio with
> v4l2-ctl --set-audio-input 1 -d /dev/video0
> fixes the problem. But it didn't used to exhibit the issue at all and then
> for a while it was intermittent. So I suspect the hardware. And there has
> been one case where resetting the audio didn't work and I had to reboot to
> fix it.

I had the tinny audio problem, but no longer use the card.  Your fix
(cronned to happen every 10 seconds) 'fixed' it.



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