Re: Motion -> v4l2_start: Failed to open video device /dev/video0: No such file or directory Mon Oct 28, 2019 6:36 pm Usually the camera cables are the wrong way round and/or not connected properly though they may look ok - reseat each cable and make sure it is the right way round in the socket.
Jan 28, 2017 · Second, V4L2 acquisition video process. 1. Open the device file. Int fd = open (“/ dev / video0”, O_RDWR); 2. Obtain the capability of the device to see what the device has, such as whether ...
mplayer: No such file or directory Failed to open LIRC support. You will not be able to use your remote control. Playing tv://. TV file format detected. Selected driver: v4l name: Video 4 Linux input author: Alex Beregszaszi comment: under development unable to open '/dev/video0': No such device Exiting... (End of file) ekiga and skype say no ...
$ v4l2-ctl -d /dev/video0 --all ... No such file or directory V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory ... GUVCVIEW: Video capture failed
pidgin 2.6 added audio/video chat support. that's incredibly awesome! however i did not get video chat working if only one party has a camera. Scenario: user A has a microphone and a camera user B has just a microphone they use jabber and send text messages ever since, and now audio/video chat is available and they want to use it.
xserver has no DGA support - /dev/video0 No such file or dir Post by malki6 » Tue Jul 08, 2008 6:36 pm I recently ordered and installed a pci card for use with zoneminder (ordered from bluecherry, so I am sure it is compatible)- I believe it uses the BTxxxx(forget exact)? drivers.
Couldn't open the /dev/ppp device: No such file or directory CTRL: EOF or bad error reading ctrl packet length. CTRL: couldn't read packet header For example, visiting Yahoo.com for the first time loads, however on second time it fails to load. Same goes to some other sites such youtube.com etc.
We are now ready to retrive the video on our laptop. I will explain using both gstreamer & vlc. gStreamer for Windows. Get the gstreamer installation package for windoes here Install the package and then navigate to the installation bin directory. e.g gstreamer\1.0\x86\bin. Then open windows command prompt in that directory. left shift + right ...
Apr 06, 2017 · sudo nano /etc/modules # Load the Raspberry Pi Camera Module v4l2 driver on bootup: bcm2835-v4l2. After you save the file and reboot your RPi, you should be able to run ls /dev/video* to see a list of cameras available on your RPi.
Your camera is probably not /dev/video0 or user don't have access. Try to add the user to the video group. For example, if you created a user called "homebridge" to run under, the command would look like this on Debian
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  • W0506 11:00:08.920475 9914 local_device.cpp:175] Cannot identify /dev/video0errno: 2error: No such file or directory W0506 11:00:08.920874 9914 camera_96tof1.cpp:83] Failed to open device E0506 11:00:08.920909 9914 main.cpp:109] Could not initialize camera!
  • Can't open joystick device /dev/input/js0: No such file or directory. mplayer: No such file or directory. Failed to open LIRC support. You will not be able to use your remote control. Selected device: USB20 Camera. Capabilites: video capture read/write streaming.
  • Sep 17, 2016 · insmod: ERROR: could not load module videodev: No such file or directory insmod: ERROR: could not load module v4l2-common: No such file or directory insmod: ERROR: could not load module v4l2-int-device: No such file or directory insmod: ERROR: could not load module input-core: No such file or directory

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Oct 16, 2018 · Hi, I'm trying to get a video pipeline work on the Ultra96 board under PetaLinux. The video pipeline has an input an OV5647 camera connected over MIPI CSI-2. The video signal gets processed by a MIPI CSI-2 Rx Subsystem, a Sensor Demosaic, a Gamma LUT, and two Video Processing Subsystems (a CSC + ...

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i am not sure why did you have video0 not found, if you checked by ls -l /dev/video0 and you did not see video0 in dir /dev, so add video0 by cd /dev and add at command line: root dir :> mknod /dev/video0 c 81 0 where c represents a character device. then chmod 600 video0 then check it again with: ls -l /dev/video0

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Your camera is probably not /dev/video0 or user don't have access. Try to add the user to the video group. For example, if you created a user called "homebridge" to run under, the command would look like this on Debian

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sudo udevadm test (udevadm info -q path -n /dev/video0) You can get the sys path for each of the items from the command in the udevadm: udevadm info -q path -n /dev/video0. In some cases even this effort required a reboot before the symlinks showed up. In the end though I have my stable dev references and all is good.


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Jul 21, 2011 · Web searching has not been fruitful so far. Any help > would be appreciated. Thanks to all. > Hi Rob, /dev/ptmx has nothing to do with the camera; it is used for pseudo-terminals. Try loading the modules "videodev, uvcvideo and v4l1_compat" manually, and then run "file /dev/video0" to see if the video device is registered.

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Supprted API: 3 E:Failed to clear BCB message: failed to open /dev/block/bootdevice/by-name/misc: No such file or directory. I flashed back Nougat to test the Recovery and there were no messages. So I'm wondering why flashing a custom rom it's messing something up?

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the directory /etc/X11/xorg.conf.d contains 2 files and radeon.conf, which contains: Section "Device" Identifier "radeon" I am in the video group. but it is still not working. radeon.conf is not required. Xorg will work out for itself which open source driver is best for you. _

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Jul 13, 2010 · access_alsa demux error: cannot open device /dev/audio1 for ALSA audio (No such file or directory) main input error: open of `alsa:///dev/audio1′ failed: no access module matched “alsa” This entry was posted in grlug , linux , planet-ubuntu-users , tech , troubleshooting , wmlug .

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This will set up the camera as a normal v4l2 device and it can be accessed via a standard /dev/videoX device. If Motion is built from source or installed via the deb packages on the project release page, then an additional option is to set up the camera using the mmalcam_name parameter or using the bcm2835-v4l2 module.

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Hello, I'm now back at this topic, trying to see if there is a solution to get the dvb adapters working in Clear again. Last time i ended up buing another machine whitch i installed ubuntu on to get it working, and it have been doing great for one and a half year now.

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Unable to open V4L2 device '/dev/video0' or Failed to open /dev/video0: No such file or directory. Two potential problems: Wrong video number. The number can change depending on the number of existing webcams. Check output of ls /dev/video* or v4l2-ctl --list-devices. v4l2loopback module is not enabled or installed.

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Feb 16, 2017 · V4L2 (File operations) # Funcrion Description 1 int (*open)() Called when a file descriptor is opened on the device file (/dev/videoX) 2 int (*close)() Called on last close (release) of a file descriptor 3 int (*read)() Called to data (buffer) of size count (the number of bytes of data requested) 4 int (*write)() Called to write data of size ...

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Connecting it to my pc, it works perfectly. It is not working with my raspberry pi (2). I had installed motion and it had worked good before 2/3 weeks when I tried it but now, it says. [1] Retrying until successful connection with camera. [1] Failed to open video device /dev/video0...

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v4l2: ioctl query control failed: Invalid argument open: No such file or directory [MGA] Couldn't open: /dev/mga_vid open: No such file or directory [MGA] Couldn't open: /dev/mga_vid [VO_TDFXFB] This driver only supports the 3Dfx Banshee, Voodoo3 and Voodoo 5. ===== Cannot find codec matching selected -vo and video format 0x47504A50. ===== v4l2 ...

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Then you need to send the video stream to the device /dev/video0 using a program like ffmpeg. In order to capture the desktop and forward it to /dev/video0 with ffmpeg, you can use the following command line: ffmpeg -f x11grab -r 15 -s 1280x720 -i :0.0+0,0 -vcodec rawvideo -pix_fmt yuv420p -threads 0 -f v4l2 /dev/video0

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bash-3.1$ xawtv This is xawtv-3.95, running on Linux/i686 (2.6.18) WARNING: Your X-Server has no DGA support. can't open /dev/video0: No such file or directory v4l-conf had some trouble, trying to continue anyway v4l2: open /dev/video0: No...

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NewtownGuy at . 7 years ago. You neglected to say that using RTSP in VLC makes it virtually impossible to access the video from the Internet because VLC opens two ports for each connection request, and chooses them randomly.

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This is a guide to setting up your webcam in Arch Linux. Most probably your webcam will work out of the box. Permissions to access video devices (e.g. /dev/video0) are handled by udev, there is no configuration necessary.

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"GStreamer Plugin: Embedded video playback halted; module v4l2src0 reported: Cannot identify device '/dev/video0'. OpenCV Error: Unspecified error (GStreamer: unable to start pipeline ) in cvCaptureFromCAM_GStreamer, file 'file_location'...

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v4l2-ctl won't help as there is no video4linux device IMHO: A problem in the vfe_v4l2 module. I created a topic with a similar problem (OS Armbian5.25), the solution isn't found yet

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My Logitech Quickcam Pro 9000 works using your instructions, although unplugging the webcam stops mjpg_streamer. I suppose a shell script checking for /dev/video0 could respawn it. I tried Microsoft Lifecam VX-3000 or an even older Labtec are not detected – they are not UVC (no /dev/video0 device appears) – first is the Labtec (no /dev/video0)

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Supprted API: 3 E:Failed to clear BCB message: failed to open /dev/block/bootdevice/by-name/misc: No such file or directory. I flashed back Nougat to test the Recovery and there were no messages. So I'm wondering why flashing a custom rom it's messing something up?

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If I run the capture program on /dev/video0 I get a Segmentation fault. (see additional info below). If I run the capture program on /dev/video1 I get this..-sh-3.2# avr32_v4lcapture -d /dev/video1 Failed to open video device: No such device. Does anyone here know enough about this interface to give me some hints as to how I ought to work, and ...

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Sep 07, 2008 · $ kdetvv4lsetup kdetvv4lsetup: using X11 display :0 dga: version 2.0 mode: 1400x1050, depth=16, bpp=16, bpl=4096, base=0xf0020000 can't open /dev/video0: No such file or directory which makes sense cos there isn't a /dev/video* and no other likely-looking devices either.

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This will set up the camera as a normal v4l2 device and it can be accessed via a standard /dev/videoX device. If Motion is built from source or installed via the deb packages on the project release page, then an additional option is to set up the camera using the mmalcam_name parameter or using the bcm2835-v4l2 module.

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Greetings, We have been trying to get USB Webcams to work on the 410C – so far without much success. Out of the box, we found that the shipping Linux kernel does not have enabled support for USB cameras, so we enabled USB drivers and recompiled the kernel. We then tried two different webcams, and the result is the same: Although the USB Webcam is identified in syslog/dmesg, any retrieved ...

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Unable to open V4L2 device '/dev/video0' or Failed to open /dev/video0: No such file or directory. Two potential problems: Wrong video number. The number can change depending on the number of existing webcams. Check output of ls /dev/video* or v4l2-ctl --list-devices. v4l2loopback module is not enabled or installed.

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Aug 23, 2017 · In VLC, choose 'Open capture device' from the file menu and enter the video and audio device files (see above) in video device name and audio device name, respectively. If you just want a 'mirror' (to see what the webcam is showing), click 'OK' and you're done. If you wish to record, tick off 'Stream/save' in the 'Advanced options' section.

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Aug 01, 2008 · This capture program tries to open /dev/video0 or /dev/video1 (we could give this as input) I tried to compile it again in Linux (compiled it in cygwin before) and the exe file is bigger. By running this new exe, I still have this error:

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I'm trying to install Cheese but I can't locate libwayland-egl.so.1 I been getting most of the programs from Arch but I can't to find that Lib file. I just like Slackware because I think it teach you about Linux to build packages where Ubuntu is like Windows you just install programs you want.

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The name of the device to grab is a file device node, usually Linux systems tend to automatically create such nodes when the device (e.g. an USB webcam) is plugged into the system, and has a name of the kind /dev/videoN, where N is a number associated to the device.

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* @fops: pointer to &struct v4l2_file_operations for the video device: 223 * @device _caps: device capabilities as used in v4l2_capabilities: 224 * @dev: &struct device for the video device: 225 * @cdev: character device: 226 * @v4l2 _dev: pointer to &struct v4l2_device parent: 227 * @dev _ parent: pointer to &struct device parent: 228

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Cannot connect to server socket err = No such file or directory Cannot connect to server socket jack server is not running or cannot be started video device: /dev/video0 vid:064e pid:f100 driver:uvcvideo device doesn't seem to support uvc H264 (0) Init. HP Webcam-50 (location: usb-0000:00:1d.7-4)

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* From: Reco <[email protected]> * Date: Thu, 21 Sep 2017 14:10:35 +0300 > reportbug is teasing you. > Today's kernel update bumped the kernel to 4.9.30-2+deb9u5. > Update the kernel, disregard reportbug warning and file a bugreport. Now I have the kernel you mention and a /dev/video0. A little progress but still no image.
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Dec 14, 2018 · A GUI tool which lets you view the video from a rcar-vin device and test a wide range of different input parameters. Start the tool and specifying which video device you wish to operate on using the -d parameter, the video device number for the different video nodes can be observed in the boot log as shown above. # qv4l2 -d 23 v4l2-compliance


Hello, I'm now back at this topic, trying to see if there is a solution to get the dvb adapters working in Clear again. Last time i ended up buing another machine whitch i installed ubuntu on to get it working, and it have been doing great for one and a half year now.