rtp g

For gstreamer pipeline into gray8, it would be something like: cv::VideoCapture cap ("v4l2src device=/dev/video0 ! video/x-raw,format=GRAY8 ! appsink drop=1", cv::CAP_GSTREAMER); After running this, you may try to get V4L format from v4l2-ctl and set it for further using V4L backend from opencv. cikaslot rtp . cikaslot rtp