OpenCV2 VideoCapture issues

[DaneLLL]

Hi,
There are samples in follow links:

OpenCV Video Capture with GStreamer doesn't work on ROS-melodic

Hi, Once you confirm the source is valid, you may also try this simple code: import sys import cv2 def read_cam(): cap = cv2.VideoCapture("nvarguscamerasrc ! video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080,format=(string)NV12, framerate=(fraction)30/1 ! nvvidconv ! video/x-raw, format=(string)BGRx ! videoconvert ! appsink") if cap.isOpened(): cv2.namedWindow("demo", cv2.WINDOW_AUTOSIZE) while True: ret_val, img = cap.read(); cv2.ims…

Sony camera module cannot be opened with OpenCV on Xavier

Hi, We have verified the following sample on r32.2.1/Xavier. #include <stdio.h> #include <opencv2/opencv.hpp> #include <opencv2/imgproc/types_c.h> using namespace cv; using namespace std; int main(int argc, char** argv) { VideoCapture cap("v4l2src device=/dev/video1 ! video/x-raw,width=1920,height=1080,format=UYVY,framerate=30/1 ! videoconvert ! video/x-raw,format=BGR ! appsink"); if (!cap.isOpened()) { cout << "Failed to open camera." << endl; return -1; } for(;;…

And we have samples in public source package:
https://developer.nvidia.com/embedded/dlc/r32-3-1_Release_v1.0/Sources/T210/public_sources.tbz2

FYR.