mirror of
https://github.com/opencv/opencv.git
synced 2024-11-28 05:06:29 +08:00
7ed557497d
[GAPI] Support basic inference in OAK backend * Combined commit which enables basic inference and other extra capabilities of OAK backend * Remove unnecessary target options from the cmakelist
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
#include <opencv2/gapi.hpp>
|
|
#include <opencv2/gapi/core.hpp>
|
|
#include <opencv2/gapi/cpu/core.hpp>
|
|
#include <opencv2/gapi/gframe.hpp>
|
|
#include <opencv2/gapi/media.hpp>
|
|
|
|
#include <opencv2/gapi/oak/oak.hpp>
|
|
#include <opencv2/gapi/streaming/format.hpp> // BGR accessor
|
|
|
|
#include <opencv2/highgui.hpp> // CommandLineParser
|
|
|
|
const std::string keys =
|
|
"{ h help | | Print this help message }"
|
|
"{ output | output.png | Path to the output file }";
|
|
|
|
int main(int argc, char *argv[]) {
|
|
cv::CommandLineParser cmd(argc, argv, keys);
|
|
if (cmd.has("help")) {
|
|
cmd.printMessage();
|
|
return 0;
|
|
}
|
|
|
|
const std::string output_name = cmd.get<std::string>("output");
|
|
|
|
cv::GFrame in;
|
|
// Actually transfers data to host
|
|
cv::GFrame copy = cv::gapi::oak::copy(in);
|
|
// Default camera works only with nv12 format
|
|
cv::GMat out = cv::gapi::streaming::Y(copy);
|
|
|
|
auto args = cv::compile_args(cv::gapi::oak::ColorCameraParams{},
|
|
cv::gapi::oak::kernels());
|
|
|
|
auto pipeline = cv::GComputation(cv::GIn(in), cv::GOut(out)).compileStreaming(std::move(args));
|
|
|
|
// Graph execution /////////////////////////////////////////////////////////
|
|
cv::Mat out_mat(1920, 1080, CV_8UC1);
|
|
|
|
pipeline.setSource(cv::gapi::wip::make_src<cv::gapi::oak::ColorCamera>());
|
|
pipeline.start();
|
|
|
|
// pull 1 frame
|
|
pipeline.pull(cv::gout(out_mat));
|
|
|
|
cv::imwrite(output_name, out_mat);
|
|
|
|
std::cout << "Pipeline finished: " << output_name << " file has been written." << std::endl;
|
|
}
|