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Today's Topics:
1. Re: When /where to run v4l2-ctl commands? (MrDaveDev)
2. Preview Picture with Netcam_highres - Distorted Image (Gordon)
3. Re: Preview Picture with Netcam_highres - Distorted Image (MrDave)
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Message: 1
Date: Mon, 27 Nov 2017 17:14:06 -0700
From: MrDaveDev <[email protected]>
To: [email protected]
Subject: Re: [Motion-user] When /where to run v4l2-ctl commands?
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8; format=flowed
On 11/25/2017 4:57 AM, Colin Law wrote:
> On 24 November 2017 at 23:37, Fred Hamilton <[email protected]> wrote:
>> I'm using motion (quite successfully - thanks!) to stream my Logitech C920
>> webcam. However I want to disable autofocus and fix the focal length (and
>> make a few other changes). I can do that after everything is up and running
>> from the terminal with v4l2-ctl commands in a script. However when I add
>> that script to my boot sequence it doesn't seem to work (maybe motion is
>> launching after the script and overriding my settings?).
> It shouldn't make any difference where you run the commands from,
> motion should not change them.
> First check that the commands are working. Disable motion and reboot
> and check that the commands have taken. If not then the issue is with
> how you are running them from the boot sequence. Possibly a path issue
> or something. Maybe you have not supplied the full path to something
> that needs it.
>
> Colin
Well, if the value is one that can be set by Motion, it would change
them.? It is also possible that when Motion sets the resolution or pixel
format, the camera resets everything to align with it.? So when using
the v4l2-cntl make sure to include the resolution and input format.
MrDave
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------------------------------
Message: 2
Date: Mon, 27 Nov 2017 18:50:02 -0600 (CST)
From: Gordon <[email protected]>
To: [email protected]
Subject: [Motion-user] Preview Picture with Netcam_highres - Distorted
Image
Message-ID:
<[email protected]>
Content-Type: text/plain; charset="utf-8"
Thank you for the new netcam_highres option in Motion 4.1. High-res movie file
creation (H.264, 720P) and motion detection works fine with an Amcrest camera
set with low-res substream (H.264, VGA) enabled. However using the options
below at the same time:
output_pictures best
picture_filename preview
...creates a distorted preview picture. It is green tint and is the same size
of the high-res video (1280*720), but it looks like it is composed of two of
the low-res images side by side at the top, with a dark green band on the
bottom. I can tell it's referencing the low-res feed because I can see the text
overlay in the image that the documentation states will not appear on the
high-res video when netcam_highres is used. I'm not sure how that could happen
because a low-res video is not being recorded. It is only being used to detect
motion in this case.
In the network cameraX.conf file I set:
width 640
height 480
...to match the low-res feed from the camera Motion is using to detect motion,
not matching the resolution of the high-res feed being recorded. I assume that
is correct.
The best/preview picture works properly without distortion on a cameraX.conf
file for a USB camera connected to the same system, where netcam_highres is not
in use.
Thank you.
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Message: 3
Date: Mon, 27 Nov 2017 19:21:55 -0700
From: MrDave <[email protected]>
To: [email protected]
Subject: Re: [Motion-user] Preview Picture with Netcam_highres -
Distorted Image
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
I've been able to recreate this and have opened a issue for tracking.?
It occurs whenever the "first", "Center" or "Best" option is selected.?
When it is only specified as "on", the high resolution image is saved.
Thanks.
MrDave
On 11/27/2017 5:50 PM, Gordon wrote:
> Thank you for the new netcam_highres option in Motion 4.1. High-res
> movie file creation (H.264, 720P) and motion detection works fine with
> an Amcrest camera set with low-res substream (H.264, VGA) enabled.
> ?However using the options below at the same time:
>
> output_pictures best
> picture_filename preview
>
> ...creates a distorted preview picture. ?It is green tint and is the
> same size of the high-res video (1280*720), but it looks like it is
> composed of two of the low-res images side by side at the top, with a
> dark green band on the bottom. ?I can tell it's referencing the
> low-res feed because I can see the text overlay in the image that the
> documentation states will not appear on the high-res video when
> netcam_highres is used. ?I'm not sure how that could happen because a
> low-res video is not being recorded. ?It is only being used to detect
> motion in this case.
>
> In the network cameraX.conf file I set:
>
> width 640
> height 480
>
> ...to match the low-res feed from the camera Motion is using to detect
> motion, not matching the resolution of the high-res feed being
> recorded.? I assume that is correct.
>
> The best/preview picture works properly without distortion on a
> cameraX.conf file for a USB camera connected to the same system, where
> netcam_highres is not in use.
>
> Thank you.
>
>
>
> ------------------------------------------------------------------------------
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>
>
> _______________________________________________
> Motion-user mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/motion-user
> https://motion-project.github.io/
>
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