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Today's Topics:
1. Re: What does 'image_ring_resize: Resizing pre_capture buffer
to 1 items' mean? (Ronnie McMaster)
----------------------------------------------------------------------
Message: 1
Date: Thu, 9 Mar 2023 16:48:29 -0700
From: Ronnie McMaster <ronnie.mcmas...@gmail.com>
To: Motion discussion list <motion-user@lists.sourceforge.net>
Subject: Re: [Motion-user] What does 'image_ring_resize: Resizing
pre_capture buffer to 1 items' mean?
Message-ID:
<CAA8w+K7zkg1dWf5Lyo3_MA+Fu4Epgr=vz-kglasy3ozxhr0...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Not sure about the log entry, but to answer the question about the
pre_capture setting, it is asking for the number of frames to capture prior
to motion being triggered. To figure this number multiply the frame rate by
the number of seconds you want to capture.
Example;
My framerate is set to 15 frames per second. If I want to capture the ten
seconds prior to motion being triggered, then the answer is 150 frames.
As the warning listed here,
https://motion-project.github.io/motion_config.html#pre_capture says, a
high number may cause motion to drop frames.
Thanks,
Ronnie McMaster
On Thu, Mar 9, 2023 at 3:21?AM Keine Eile <keine-e...@e-mail.de> wrote:
> Hi list members,
>
> can one tell, what happens when I see these lines
>
> ~~~
> Mar x xx:xx:xx motion motion: [1:ml1] [NTC] [ALL] image_ring_resize:
> Resizing pre_capture buffer to 1 items
> Mar x xx:xx:xx motion motion: [1:ml1] [NTC] [ALL] image_ring_resize:
> Resizing pre_capture buffer to 10 items
> ~~~
>
> in motion's log file?
>
> And may be on more thing: I need to pre_capture about 3 seconds. The
> documentation (https://motion-project.github.io/motion_config.html) states
>
> ~~~
> pre_capture
> - Type: Integer
> - Range / Valid values: 0 - 100s
> - Default: 0 (disabled)
>
> Specifies the number of pre-captured (buffered) pictures from before
> motion was detected that will be output at motion detection. [...]
> ~~~
>
> What does this 's' in in 'Range / Valid values' mean? I would guess its
> seconds. But in reality, this seems to be frames just like in post_capture.
> When you write 'picture' in this context (pre_capture, post_capture), you
> mean the frames of a video sequence, right?
>
>
> Thanks!
>
>
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