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Today's Topics:
1. Re: RPi5 camera issue: Is this palette supported: SBGGR10
(Barry Martin)
----------------------------------------------------------------------
Message: 1
Date: Sun, 16 Jun 2024 19:41:55 -0500
From: Barry Martin <[email protected]>
To: [email protected]
Subject: Re: [Motion-user] RPi5 camera issue: Is this palette
supported: SBGGR10
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Hi z4!
> I have an ixm296 (official RPi camera, global shutter) on a Raspberry
> Pi5, and though I can get motion to work with it, the resultant image
> is very green and has dozens on horizontal lines cutting through it
> tightly spaced and generally poor image quality with some strange
> ghosting artifacts.
>
> I don't quite know what the v4l2_palette setting is for exactly, or if
> it may come into play here:
I don't have a RPi camera but remember I had something similar with my
USB camera.? Can't find my notes but did find on-line some stuff which
may help you correct the problem.
I did use VLC to figure out the correct device:? VLC > Open Capture
Device -->? Capture Mode = Video Camera.? Video Device will be blank;
use the pulldown menu to select (/dev/video0, /dev/video1, etc.).? Most
of the options gave me an error, a couple gave me almost-right displays,
one or two gave me correct images.? Note this/these and plug in to Motion.
BTW, turn Motion off so as not to interfere with VLC.? Should be sudo
service motion? stop .
I did find this command elsewhere which may help: v4l2-ctl -d
/dev/video0 --list-formats-ext
I would also not be too concerned with the resolution? until you correct
whatever is causing the green and stripes.
Extracted from my camera1.conf for a USB camera:
video_params palette=8
width 1280
height 720
Note the palette command has been updated from earlier versions of Motion.
>
> So three questions arise from this:
>
> 1)? how to fix a green image with many horizontal lines (looks fine
> with rpicam-vid ...)
>
> 2)? do I need to worry about the v4l2_palette setting for this
> camera/setup?
>
> 3)? What is the meaning of "Unsupported V4L2 pixel format RPBP" and is
> that something that needs addressing?
I think all three can be corrected by finding which video device and
which palette is correct.
...Hmm:? might want to take a glance though this to see if anything
triggers a possibility:
https://forums.raspberrypi.com/viewtopic.php?t=359849 ??? They mentioned
(ribbon) cable problems and I remember having some? 'static'? if I had a
video cable not inserted fully.?? (I Googled "rpbp raspberry pi" to find
that.
Good luck! Hope I pointed you in the right direction!
Barry
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