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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
//
// Copyright (C) 2022 Intel Corporation
#ifndef OPENCV_GAPI_GABSTRACT_STREAMING_EXECUTOR_HPP
#define OPENCV_GAPI_GABSTRACT_STREAMING_EXECUTOR_HPP
#include <memory> // unique_ptr, shared_ptr
#include <ade/graph.hpp>
#include "backends/common/gbackend.hpp"
namespace cv {
namespace gimpl {
class GAbstractStreamingExecutor
{
protected:
std::unique_ptr<ade::Graph> m_orig_graph;
std::shared_ptr<ade::Graph> m_island_graph;
cv::GCompileArgs m_comp_args;
cv::gimpl::GIslandModel::Graph m_gim; // FIXME: make const?
const bool m_desync;
public:
explicit GAbstractStreamingExecutor(std::unique_ptr<ade::Graph> &&g_model,
const cv::GCompileArgs &comp_args);
virtual ~GAbstractStreamingExecutor() = default;
virtual void setSource(GRunArgs &&args) = 0;
virtual void start() = 0;
virtual bool pull(cv::GRunArgsP &&outs) = 0;
virtual bool pull(cv::GOptRunArgsP &&outs) = 0;
using PyPullResult = std::tuple<bool, cv::util::variant<cv::GRunArgs, cv::GOptRunArgs>>;
virtual PyPullResult pull() = 0;
virtual bool try_pull(cv::GRunArgsP &&outs) = 0;
virtual void stop() = 0;
virtual bool running() const = 0;
};
} // namespace gimpl
} // namespace cv
#endif // OPENCV_GAPI_GABSTRACT_STREAMING_EXECUTOR_HPP
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