Top "V4l2" questions

Capturing h.264 stream from camera with Gstreamer

I'm trying to capture H264 stream from locally installed Logitech C920 camera from /dev/video0 with Gstreamer 1.0 v4l2src …

h.264 gstreamer v4l2

v4l2 very simple example

I'm looking for a simple example for camera access in Linux using V4L2. Where I can find it? As …

c++ c linux v4l2 v4l

cv2.videocapture.read() does not return a numpy array

I have this code trying to capture a frame from my webcam on raspberry pi, and saving it as an …

python opencv v4l2 ftputil

Capturing multiple webcams (uvcvideo) with OpenCV on Linux

I am trying to simultaneously stream the images from 3 Logitech Webcam Pro 900 devices using OpenCV 2.1 on Ubuntu 11.10. The uvcvideo driver …

opencv webcam v4l2

OpenCV: can't set resolution of video capture

I am using OpenCV 2.4.5 on Ubuntu 12.04 64-bit. I would like to be able to set the resolution of the input …

opencv v4l2 logitech v4l

Gstreamer Error: pipeline could not be constructed: no element "v4l2src"

Am using Ubuntu(14.04) and I am getting this error while trying to use gstreamer. gst-launch-1.0 v4l2src ! video/x-raw,…

gstreamer v4l2

How can I capture audio AND video simultenaous with ffmpeg from a linux USB capture device

I'm capturing a video by means of an USB Terratec Grabster AV350 (which is based on the em2860 chip). I …

audio ffmpeg capture v4l2

OpenCV (via python) on Linux: Set frame width/height?

I'm using openCV via python on linux (ubuntu 12.04), and I have a logitech c920 from which I'd like to grab …

python linux opencv webcam v4l2

List available capture formats

New to V4L, I decided to start using the video4linux2 library in order to capture a frame from …

c video-capture mjpeg v4l2

FFmpeg change output to specific pixel format?

I am working on an openCV project, I have a stable running variant that is taking input from an HDMI …

opencv ffmpeg v4l2 v4l2loopback