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Today's Topics:
1. Re: Lines on displayed image (Timothy Buchanan)
2. Re: endless "camera thread starting... for url" messages
(Ted Timmons)
3. Re: Lines on displayed image (MrDave)
----------------------------------------------------------------------
Message: 1
Date: Sun, 24 Dec 2017 11:46:50 -0700
From: Timothy Buchanan <timothyebucha...@gmail.com>
To: Motion discussion list <motion-user@lists.sourceforge.net>
Subject: Re: [Motion-user] Lines on displayed image
Message-ID: <d52726f2-5d82-446a-bed6-e9af51c87...@gmail.com>
Content-Type: text/plain; charset="utf-8"
I decided to start again from scratch by installing stretch (had been using
Jessie). The included add/remove GUI installed motion 4.0, not 4.1. That
version?s motion.conf offers the netcam option, but using netcam_url
v4l2:///dev/video0 returns a gray image with the error ?could not open.? Is it
only 4.1 that works with netcam? Curiously, vlc media player will open the
camera and display v4l2:///dev/video0 when doing so.
As to the usb-to-analog device, it is the UCEC adapter sold on amazon and has
the UTV007 chipset. I have not installed any drivers. Where would I find the
driver Linux is using?
Thanks again for help.
Timothy
From: tosiara <tosi...@gmail.com>
Reply-To: Motion discussion list <motion-user@lists.sourceforge.net>
Date: Thursday, December 21, 2017 at 9:59 AM
To: Motion discussion list <motion-user@lists.sourceforge.net>
Subject: Re: [Motion-user] Lines on displayed image
I have had some issues with usb-to-analog devices, like Easycap and similar. At
that time indeed only motion had those issues, but after some changes in the
driver the issues were resolved. So it could be some compatibility with the
hardware's driver. Can you provide more details what kind of capture card you
are using?
As a workaround you can use the way MrDave mentioned - capture through the
netcam. Specify this url:
netcam_url v4l2:///dev/video0
Please report back if you still get corrupted image using netcam
On Thu, Dec 21, 2017 at 6:43 PM, Timothy Buchanan <timothyebucha...@gmail.com>
wrote:
MrDave and tosiara, thanks for help. I?ve attached the motion log and output of
one of the cameras (there are three, but all the same) to the command v4l2-ctl
-d /dev/video0 ?all.
Palette YUYV seems to be the only one supported, and that is chosen. I set the
config to use NTSC, but it always chooses ?standard method 45056.? I don?t find
any info on that.
Do you see problems in the output files I?ve attached? Thanks again.
timothy
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Message: 2
Date: Sun, 24 Dec 2017 20:14:38 +0000
From: Ted Timmons <t...@perljam.net>
To: Motion discussion list <motion-user@lists.sourceforge.net>
Subject: Re: [Motion-user] endless "camera thread starting... for url"
messages
Message-ID:
<CAK7GBH9SVcvwZiqNHFaw5S3+wvS5WFyM5wU=3tarqrtduzz...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
On Sat, Dec 23, 2017 at 11:16 PM Colin Law <clan...@gmail.com> wrote:
> > It's always the same camera; there's no timestamp but the messages are a
> > minute or more apart. I've added rtsp_uses_tcp for this cam, still
> happens.
> > Is this a signal (strength) problem?
>
> If you access that url from (for example) VLC does it work?
>
> It won't be a signal strength problem as it is being accessed over the
> ethernet, unless you mean that the ethernet cable is too long, in
> which case it will also fail with other clients such as vlc
>
The cam is over wifi (not eth), so .. I'm leaving RSSI on the list of
potential problems. I'll monitor it over VLC for a while and see if I get
drops.
-ted
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Message: 3
Date: Sun, 24 Dec 2017 14:11:36 -0700
From: MrDave <motionmrd...@gmail.com>
To: motion-user@lists.sourceforge.net
Subject: Re: [Motion-user] Lines on displayed image
Message-ID: <ae658422-4e3a-2cad-7959-6944bac51...@gmail.com>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Yes, the v4l2 via the netcam_url option functionality was added starting
in version 4.1 so it will not work with 4.0.
Regarding the? "unhelpful" message on the standard being set. 45056
means it set it to V4L2_STD_NTSC.? Other video standards Motion may
report are 16711680 for V4L2_STD_SECAM and 255 for V4L2_STD_PAL.? (This
is legacy code to print the number rather than a readable message).
This is the first that I've heard of a usb device reporting options to
use different video standards so changing that parameter may assist.
MrDave
On 12/24/2017 11:46 AM, Timothy Buchanan wrote:
>
> I decided to start again from scratch by installing stretch (had been
> using Jessie). The included add/remove GUI installed motion 4.0, not
> 4.1. That version?s motion.conf offers the netcam option, but using
> netcam_url v4l2:///dev/video0 returns a gray image with the error
> ?could not open.? Is it only 4.1 that works with netcam? Curiously,
> vlc media player will open the camera and display v4l2:///dev/video0
> when doing so.
>
> As to the usb-to-analog device, it is the UCEC adapter sold on amazon
> and has the UTV007 chipset. I have not installed any drivers. Where
> would I find the driver Linux is using?
>
> Thanks again for help.
>
> Timothy
>
> *From: *tosiara <tosi...@gmail.com>
> *Reply-To: *Motion discussion list <motion-user@lists.sourceforge.net>
> *Date: *Thursday, December 21, 2017 at 9:59 AM
> *To: *Motion discussion list <motion-user@lists.sourceforge.net>
> *Subject: *Re: [Motion-user] Lines on displayed image
>
> I have had some issues with usb-to-analog devices, like Easycap and
> similar. At that time indeed only motion had those issues, but after
> some changes in the driver the issues were resolved. So it could be
> some compatibility with the hardware's driver. Can you provide more
> details what kind of capture card you are using?
>
> As a workaround you can use the way MrDave mentioned - capture through
> the netcam. Specify this url:
> netcam_url v4l2:///dev/video0
>
> Please report back if you still get corrupted image using netcam
>
> On Thu, Dec 21, 2017 at 6:43 PM, Timothy Buchanan
> <timothyebucha...@gmail.com <mailto:timothyebucha...@gmail.com>> wrote:
>
> MrDave and tosiara, thanks for help. I?ve attached the motion log
> and output of one of the cameras (there are three, but all the
> same) to the command v4l2-ctl -d /dev/video0 ?all.
>
> Palette YUYV seems to be the only one supported, and that is
> chosen. I set the config to use NTSC, but it always chooses
> ?standard method 45056.? I don?t find any info on that.
>
> Do you see problems in the output files I?ve attached? Thanks again.
>
> timothy
>
>
>
>
>
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