v4l

Dear all I'm facing an error when trying to create a VideoCapture object (in this code, associated to device "0" -> /dev/video0) I am running FreeBSD 14. The issue can be reproduced on the current freebsd opencv package (4.6.0), the port and the latest opencv 4.9.0 compiled from sources. I...

System: Rock64 1GB, FreeBSD 13.0 Release What I'm trying to do: Use ffmpeg to pull a single image from a usb webcam and write it too a directory. Software: libv4l-1.23.0 v4l-utils-1.23.0 v4l_compat-1.23.0 ffmpeg-4.4.2 webcamd-5.17.1.0 The Issue: I can use the same USB camera from my other...

I've got a webcam working via webcamd and chromium. Today, I tried "piping" video through a virtual camera in OBS and almost got there but got stuck chrome not detecting the virtual camera. Basically, I get a /dev/video5 device, vlc successfully connects and displays the stream. I figured, this...

I've been using webcams with FreeBSD, but since I live in a country that has 50 Hz power frequency, there is always flicker from the lights as the camera by default uses 60 Hz. I know you can change the frequency in other operating systems, so I investigated, and it seems the v4l way is to use...