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Today's Topics:
1. Watchdog Timeout (Dougie Nisbet)
2. Audio with motion (Dougie Nisbet)
3. Re: Watchdog Timeout (Kevin Shumaker)
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Message: 1
Date: Tue, 19 Jul 2022 11:11:22 +0100
From: Dougie Nisbet <[email protected]>
To: [email protected]
Subject: [Motion-user] Watchdog Timeout
Message-ID: <[email protected]>
Content-Type: text/plain; charset=UTF-8; format=flowed
I run motion on a variety of rpis. All the same setup. The camera is a
Logitech C615.
On two of the rpis, (Raspberry Pi 3 Model B Plus Rev 1.3) I have two
cameras running and it seems to be ok although the frame rate drops.
Recently I bought a Model 4 (Raspberry Pi 4 Model B Rev 1.5) and I
expected to be able to run two cameras comfortably on this. However I
get Watchdog Timeout errors. I spent a bit of time on internet searches
and based on what I read I tried upgrading the rpi firmware and trying
different versions of Raspbian (Buster and Bullseye). Generally I find
the one camera per rpi quite nice and simple but the fact I can run two
on a Model 3 but not on a model 4 is strange. Having said that, I have
also seen this happen on a model 3.
I haven't found much consistency even though I try and standardise my
motion.conf scripts as much as possible. One obvious possibility is that
if a pair of cameras is seeing a lot of motion then by definition they
are going to be busier and perhaps produce a timeout.
I'm not specifically asking for help on this and I'm fairly happy
sticking with one camera per rpi, but it nags away at me from time to
time and I can revisit it and try and get some more useful diagnostic
information if desired.
Dougie
------------------------------
Message: 2
Date: Tue, 19 Jul 2022 10:56:01 +0100
From: Dougie Nisbet <[email protected]>
To: [email protected]
Subject: [Motion-user] Audio with motion
Message-ID: <[email protected]>
Content-Type: text/plain; charset=UTF-8; format=flowed
Yep, I know, it's not supported.
I've been reviewing my setups and tidying up my scripts. I use the same
setup on around 11 raspberry pis. Various specs.
I was recording audio but it was a mess. I used an on_event_start script
to initiate arecord then killed the process in the on_event_end script
then used ffmpeg to mix the file with the video. It worked after a
fashion but it was never elegant or reliable. The usual problem was bad
syncing of the audio after around 30 seconds, or audio carrying on while
video froze.
I decided it wasn't worth the effort and have re-written/tidied my
scripts to just record images and video.
Out of interest, has anyone ever managed to run a tidy system where they
recorded audio and merged the with the video? I'm kinda hoping the
answer is No because think I'm happier to use motion with it WAD rather
than have an untidy hack. But I'm still a bit curious all the same.
Dougie
------------------------------
Message: 3
Date: Tue, 19 Jul 2022 07:19:14 -0400
From: Kevin Shumaker <[email protected]>
To: Motion discussion list <[email protected]>
Subject: Re: [Motion-user] Watchdog Timeout
Message-ID:
<cacyr9jdyzojem3tbnrdfka6vwhpx38n3t2+gcxj+zyqkbzr...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Are both USB cameras on USB3, USB2 or one on each? It might make a
difference.
On Tue, Jul 19, 2022 at 6:13 AM Dougie Nisbet <[email protected]> wrote:
> I run motion on a variety of rpis. All the same setup. The camera is a
> Logitech C615.
>
> On two of the rpis, (Raspberry Pi 3 Model B Plus Rev 1.3) I have two
> cameras running and it seems to be ok although the frame rate drops.
>
> Recently I bought a Model 4 (Raspberry Pi 4 Model B Rev 1.5) and I
> expected to be able to run two cameras comfortably on this. However I
> get Watchdog Timeout errors. I spent a bit of time on internet searches
> and based on what I read I tried upgrading the rpi firmware and trying
> different versions of Raspbian (Buster and Bullseye). Generally I find
> the one camera per rpi quite nice and simple but the fact I can run two
> on a Model 3 but not on a model 4 is strange. Having said that, I have
> also seen this happen on a model 3.
>
> I haven't found much consistency even though I try and standardise my
> motion.conf scripts as much as possible. One obvious possibility is that
> if a pair of cameras is seeing a lot of motion then by definition they
> are going to be busier and perhaps produce a timeout.
>
> I'm not specifically asking for help on this and I'm fairly happy
> sticking with one camera per rpi, but it nags away at me from time to
> time and I can revisit it and try and get some more useful diagnostic
> information if desired.
>
> Dougie
>
>
>
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