Currently trying to simultaneously capturing 10 images with 10 usb cameras connected to a Raspberry Pi 4 (through board USB ports and usb hub) with Ub ...

I am working with python opencv and I am not able to disable autofocus, autoexposure etc on windows 10. I am using Logitech BRIO 4k webcam. Everythi ...

I'm posting this because i was already searching the web trying to find some explenation for the errors caused but didn't find any. So I'm trying to ...

I am trying to run the sample code from v4l2 API. When I tried to run the sample code, I am facing problem while compiling the program itself. Please ...

I am trying to use my webcam with OpenCV to run my application. However, when I tried to get the frame with videoCapture, and it gives me this error. ...

I'm trying to read raw video from web camera connected to my linux machine. I'm using OpenCV and l4v2 library (gstreamer). Here are some details on my ...

I'm using an 8-channel PCI-based framegrabber on Nvidia TX1 dev kit. I'm using this driver along with it. I can play up to 3/4 v4l2 camera feeds comfo ...

I have TBS6905 DVB-S2 PCIe card and its configured in Ubuntu 14. And I have to find MAC address of all adapters because my application will do Blind S ...

Suppose I run v4l2-ctl --stream-mmap=3 --stream-to=/dev/null, how to stop recording without pressing Ctrl+C for interrupt, from another shell console ...

I am implementing a Camera Preview application. I am using V4L and until now I basically use this code> https://linuxtv.org/downloads/v4l-dvb-apis/ ...

I just started looking into V4L2 and all the samples I can find use loops to poll images from the camera. Is there a way to register a callback instea ...

I am unfamiliar with Linux kernel development but I'm tasked with updating a kernel driver so that it will return a status code that can be read by an ...

Hardware: 1. Raspberry Pi 2 2. Raspberry Pi Camera Software: 1. OpenCV 2.4.11 2. Programming with C++ I've the following trivial code that capture ...

I am installing video 4 linux following these steps, http://www.linuxtv.org/wiki/index.php/How_to_Obtain,_Build_and_Install_V4L-DVB_Device_Drivers b ...

I have problem with a webcam. It can be a hardware one but i'm convinced it is no. With all apps I can see the stream but suddenly it freezes. Because ...

I am trying to construct EIT table sections as specified in EN 300 468. I have successfully parsed the packets into data structures (in Java), and can ...

I wrote a simple Opencv program in Ubuntu 12.04LTS that adjusts a webcam (Logitech C525) settings like brightness and exposure and such. It works fin ...

I need to map a range of OSX CoreVideo pixel formats as enumerated in CVPixelBuffer.h to their equivalents in V4L. For example, kCVPixelFormatType_24R ...

Does GStreamer (Linux) support streaming and taking a shot in a different resolution at the same time? I need to stream a V4L device at 720p using h2 ...

I am using OpenCV on an embedded target board (FriendlyARM mini6410, processor arm 1176 running linux kernel 2.6.38). I compiled OpenCV 2.4.4 library ...