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Today's Topics:
1. Re: Lines on displayed image (tosiara)
----------------------------------------------------------------------
Message: 1
Date: Wed, 27 Dec 2017 20:19:03 +0200
From: tosiara <tosi...@gmail.com>
To: Motion discussion list <motion-user@lists.sourceforge.net>
Subject: Re: [Motion-user] Lines on displayed image
Message-ID:
<CACHTdwRshCbZsQ+NvZfRo0AX9bOCa=kb9fkcm3tkek5nw+e...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
You can upload the video to some file hosting like Google Drive
I expect this command to return all possible resolutions and pixel formats,
like this:
$ v4l2-ctl -d /dev/video0 --list-formats-ex
ioctl: VIDIOC_ENUM_FMT
Index : 0
Type : Video Capture
Pixel Format: 'YUYV'
Name : YUYV 4:2:2
Size: Discrete 640x480
Interval: Discrete 0.033s (30.000 fps)
Interval: Discrete 0.067s (15.000 fps)
Size: Discrete 160x120
Interval: Discrete 0.033s (30.000 fps)
Interval: Discrete 0.067s (15.000 fps)
Size: Discrete 176x144
Interval: Discrete 0.033s (30.000 fps)
Interval: Discrete 0.067s (15.000 fps)
Size: Discrete 320x240
Interval: Discrete 0.033s (30.000 fps)
Interval: Discrete 0.067s (15.000 fps)
Size: Discrete 352x288
Interval: Discrete 0.033s (30.000 fps)
Interval: Discrete 0.067s (15.000 fps)
Size: Discrete 1280x720
Interval: Discrete 0.100s (10.000 fps)
Size: Discrete 1280x800
Interval: Discrete 0.100s (10.000 fps)
Index : 1
Type : Video Capture
Pixel Format: 'MJPG' (compressed)
Name : Motion-JPEG
Size: Discrete 640x480
Interval: Discrete 0.033s (30.000 fps)
Interval: Discrete 0.067s (15.000 fps)
Size: Discrete 160x120
Interval: Discrete 0.033s (30.000 fps)
Interval: Discrete 0.067s (15.000 fps)
Size: Discrete 176x144
Interval: Discrete 0.033s (30.000 fps)
Interval: Discrete 0.067s (15.000 fps)
Size: Discrete 320x240
Interval: Discrete 0.033s (30.000 fps)
Interval: Discrete 0.067s (15.000 fps)
Size: Discrete 352x288
Interval: Discrete 0.033s (30.000 fps)
Interval: Discrete 0.067s (15.000 fps)
Size: Discrete 1280x720
Interval: Discrete 0.033s (30.000 fps)
Size: Discrete 1280x800
Interval: Discrete 0.033s (30.000 fps)
On Wed, Dec 27, 2017 at 8:04 PM, Timothy Buchanan <
timothyebucha...@gmail.com> wrote:
> That command returns the following:
>
>
>
> Index: 0
>
> Type: Video Capture
>
> Pixel format: ?YUYV?
>
> Name: YUYV 4:2:2
>
>
>
> I?ve attached the output from motion.log, also the camera3.conf file. I
> made an avi file with vlc, but it is too big to send even when
> compressed.
>
>
>
> Timothy
>
>
>
> *From: *tosiara <tosi...@gmail.com>
> *Reply-To: *Motion discussion list <motion-user@lists.sourceforge.net>
> *Date: *Wednesday, December 27, 2017 at 6:47 AM
>
> *To: *Motion discussion list <motion-user@lists.sourceforge.net>
> *Subject: *Re: [Motion-user] Lines on displayed image
>
>
>
> Timothy,
>
>
>
> can you collect the following info:
>
>
>
> output of "v4l2-ctl -d /dev/video0 --list-formats-ex"
>
> a short sample video 2-3 seconds?
>
> during motion run do you see any USB related messages in syslog (like URB
> packet error)?
>
> Those lines look like a wrong bytes being written into buffer of there
> could be incomplete or truncated frames coming. If you don't see those
> lines in VLC that could mean you are using different resolution/pixel
> format with the player
>
>
>
> On Wed, Dec 27, 2017 at 1:57 AM, MrDave <motionmrd...@gmail.com> wrote:
>
> I'll add a issue to the project to address the abort. (There is already a
> bug filed upstream in ffmpeg on it).
>
> It is surprising this option does not function. There are only two
> options that are specified in Motion for this method. The
> dimensions(height/width) and the framerate. If you try a `ffprobe` of the
> device, it should report the device defaults on these and you can try those
> as the configuration options in Motion.
>
> MrDave
>
>
>
> On 12/26/2017 10:14 AM, Timothy Buchanan wrote:
>
> I upgraded to 4.1.1. Using netcam_url v4l2:///dev/video1 and each palette
> 0 through 17 and 21, I get ?unable to open video device,? except with
> palette 8, which causes a program abort. Running ffplay ?f /dev/video1
> produces a good image, though I get repeated warnings that the dequeued
> vl42 buff contains corrupted data (691200 bytes). Suggestions? Thanks.
>
>
>
> Timothy
>
>
>
> *From: *MrDave <motionmrd...@gmail.com> <motionmrd...@gmail.com>
> *Reply-To: *Motion discussion list <motion-user@lists.sourceforge.net>
> <motion-user@lists.sourceforge.net>
> *Date: *Sunday, December 24, 2017 at 2:12 PM
> *To: *<motion-user@lists.sourceforge.net>
> <motion-user@lists.sourceforge.net>
> *Subject: *Re: [Motion-user] Lines on displayed image
>
>
>
> 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> <tosi...@gmail.com>
> *Reply-To: *Motion discussion list <motion-user@lists.sourceforge.net>
> <motion-user@lists.sourceforge.net>
> *Date: *Thursday, December 21, 2017 at 9:59 AM
> *To: *Motion discussion list <motion-user@lists.sourceforge.net>
> <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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