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3.3.6.1 Video Loopback Setup
sudo apt-get install v4l2loopback-dkms
sudo apt-get install v4l2loopback-utils
sudo modprobe v4l2loopback devices=2
ls -1 /sys/devices/virtual/video4linux
Note down the device name listed by above command, e.g. "/dev/video12"
Export following variables into the environment and start the camera stream:
sudo bash
export GST_PLUGIN_PATH=/usr/lib/gstreamer-1.0
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib
export LIBVA_DRIVER_NAME=iHD
export GST_GL_PLATFORM=egl
gst-launch-1.0 icamerasrc device-name=ar0234 !
video/x-raw,format=NV12,width=1280,height=960 ! v4l2sink
device=/dev/video12
Single Camera – Use MIPI camera as usual from v4l2 API.
gst-launch-1.0 v4l2src device=/dev/video12 ! videoconvert !
xvimagesink
Dual Camera
gst-launch-1.0 v4l2src device=/dev/video12 ! videoconvert !
xvimagesink v4l2src device=/dev/video12 ! videoconvert ! xvimagesink
Chapter 3 – Hardware & Software Installation Guide
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