eruffaldi / V4l2loopback_cpp
v4l2loopback usage in C++ and from OpenCV
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Objective
Virtual Camera for V4L using the v4l2loopback driver.
Direct to v4l2 Example
https://github.com/umlaeute/v4l2loopback/blob/master/examples/test.c
Installation
sudo apt-get install v4l2loopback-dkms
sudo apt-get install v4l2loopback-utils
modprobe v4l2loopback devices=4
chmod a+rwx /dev/video0
v4l2-ctl -d /dev/video0 -l
v4l2loopback-ctl set-fps 25 /dev/video0
Test Write
gstreamer: gst-launch-1.0 videotestsrc ! v4l2sink device=/dev/video0
Test Play
- Listing of device:
v4l2-ctl --list-devices
- ffmpeg
ffmpeg -f v4l2 -list_formats all -i /dev/video0
- xawtv
xawtv: xawtv -c /dev/video0
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