s5pxx18-opencv-uvccamera-cpp-demo

Build

git clone https://github.com/friendlyarm/s5pxx18-opencv-uvccamera-cpp-demo.git
cd s5pxx18-opencv-uvccamera-cpp-demo
mkdir build
cd build
cmake ..
make

Run one camera

. /usr/bin/setqt5env-eglfs
./opencamera 1

Run two cameras

. /usr/bin/setqt5env-eglfs
./opencamera 2

Reading mjpeg stream

open the camera using the following code:

pCapture[i] = new VideoCapture(get_camerasrc_mjpeg(devIndex),cv::CAP_GSTREAMER);

Reading NV12 stream

open the camera using the following code:

pCapture[i] = new VideoCapture(get_camerasrc_nv12(devIndex),cv::CAP_GSTREAMER);

Supported camera

Logitech C922 (NV21, MJPG)
KS2A242  (NV21, MJPG)

Supported boards

S5P6818
NanoPC T3/T3 Plus
NanoPi Fire3
Smart6818
NanoPi M3
S5P4418
NanoPC T2 Plus
NanoPi Fire2a
Smart4418
NanoPi S2
NanoPi M2/M2a

How can i find out the supported camera resolutions

v4l2-ctl --list-formats-ext -d /dev/video0

More examples

https://github.com/friendlyarm/rk3399-opencv-uvccamera-cpp-demo
https://github.com/friendlyarm/rk3399-opencv-ucvcamera-python-demo
https://github.com/friendlyarm/install-opencv-on-friendlycore

README