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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>
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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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cv::GFrame in;
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// Actually transfers data to host
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cv::GFrame copy = cv::gapi::oak::copy(in);
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// Default camera works only with nv12 format
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cv::GMat out = cv::gapi::streaming::Y(copy);
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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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