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2d69dd1215
Migrate G-API module from main repo to opencv_contrib #3827 Related to https://github.com/opencv/opencv/pull/26469 Required https://github.com/opencv/opencv/pull/26527 CI: https://github.com/opencv/ci-gha-workflow/pull/201 TODO: - [x] Python types generator fix - [x] CI update ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [ ] The PR is proposed to the proper branch - [ ] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
#include <opencv2/gapi.hpp>
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#include <opencv2/gapi/core.hpp>
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#include <opencv2/gapi/cpu/core.hpp>
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#include <opencv2/gapi/gframe.hpp>
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#include <opencv2/gapi/media.hpp>
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#include <opencv2/gapi/oak/oak.hpp>
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#include <opencv2/gapi/streaming/format.hpp> // BGR accessor
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#include <opencv2/highgui.hpp> // CommandLineParser
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const std::string keys =
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"{ h help | | Print this help message }"
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"{ output | output.png | Path to the output file }";
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int main(int argc, char *argv[]) {
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cv::CommandLineParser cmd(argc, argv, keys);
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if (cmd.has("help")) {
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cmd.printMessage();
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return 0;
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}
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const std::string output_name = cmd.get<std::string>("output");
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std::vector<int> h = {1, 0, -1,
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2, 0, -2,
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1, 0, -1};
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std::vector<int> v = { 1, 2, 1,
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0, 0, 0,
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-1, -2, -1};
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cv::Mat hk(3, 3, CV_32SC1, h.data());
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cv::Mat vk(3, 3, CV_32SC1, v.data());
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// Heterogeneous pipeline:
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// OAK camera -> Sobel -> streaming accessor (CPU)
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cv::GFrame in;
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cv::GFrame sobel = cv::gapi::oak::sobelXY(in, hk, vk);
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// Default camera and then sobel work only with nv12 format
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cv::GMat out = cv::gapi::streaming::Y(sobel);
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auto args = cv::compile_args(cv::gapi::oak::ColorCameraParams{},
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cv::gapi::oak::kernels());
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auto pipeline = cv::GComputation(cv::GIn(in), cv::GOut(out)).compileStreaming(std::move(args));
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// Graph execution /////////////////////////////////////////////////////////
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cv::Mat out_mat(1920, 1080, CV_8UC1);
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pipeline.setSource(cv::gapi::wip::make_src<cv::gapi::oak::ColorCamera>());
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pipeline.start();
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// pull 1 frame
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pipeline.pull(cv::gout(out_mat));
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cv::imwrite(output_name, out_mat);
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std::cout << "Pipeline finished: " << output_name << " file has been written." << std::endl;
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}
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