33 lines
1.6 KiB
C++
33 lines
1.6 KiB
C++
// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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//
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// Copyright (C) 2019 Intel Corporation
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#ifndef OPENCV_GAPI_GCOMPUTATION_ASYNC_HPP
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#define OPENCV_GAPI_GCOMPUTATION_ASYNC_HPP
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#include <future>
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#include <exception> //for std::exception_ptr
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#include <functional> //for std::function
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#include <opencv2/gapi/garg.hpp> //for GRunArgs, GRunArgsP
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#include <opencv2/gapi/gcommon.hpp> //for GCompileArgs
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namespace cv {
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//fwd declaration
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class GComputation;
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namespace gapi {
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namespace wip {
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//These functions asynchronously (i.e. probably on a separate thread of execution) call apply member function of their first argument with copies of rest of arguments (except callback) passed in.
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//The difference between the function is the way to get the completion notification (via callback or a waiting on std::future object)
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//If exception is occurred during execution of apply it is transfered to the callback (via function parameter) or passed to future (and will be thrown on call to std::future::get)
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GAPI_EXPORTS void async_apply(GComputation& gcomp, std::function<void(std::exception_ptr)>&& callback, GRunArgs &&ins, GRunArgsP &&outs, GCompileArgs &&args = {});
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GAPI_EXPORTS std::future<void> async_apply(GComputation& gcomp, GRunArgs &&ins, GRunArgsP &&outs, GCompileArgs &&args = {});
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} // nmaepspace gapi
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} // namespace wip
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} // namespace cv
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#endif //OPENCV_GAPI_GCOMPUTATION_ASYNC_HPP
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