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https://github.com/opencv/opencv.git
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0757a51e2b
* G-API-NG/API: Introduced inference API and IE-based backend - Very quick-n-dirty implementation - OpenCV's own DNN module is not used - No tests so far * G-API-NG/IE: Refined IE backend, added more tests * G-API-NG/IE: Fixed various CI warnings & build issues + tests - Added tests on multi-dimensional own::Mat - Added tests on GMatDesc with dimensions - Documentation on infer.hpp - Fixed more warnings + added a ROI list test - Fix descr_of clash for vector<Mat> & standalone mode - Fix build issue with gcc-4.8x - Addressed review comments * G-API-NG/IE: Addressed review comments - Pass `false` to findDataFile() - Add deprecation warning suppression macros for IE
78 lines
2.5 KiB
C++
78 lines
2.5 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) 2018 Intel Corporation
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#ifndef OPENCV_GAPI_GMETAARG_HPP
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#define OPENCV_GAPI_GMETAARG_HPP
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#include <vector>
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#include <type_traits>
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#include <opencv2/gapi/util/util.hpp>
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#include <opencv2/gapi/util/variant.hpp>
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#include <opencv2/gapi/gmat.hpp>
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#include <opencv2/gapi/gscalar.hpp>
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#include <opencv2/gapi/garray.hpp>
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namespace cv
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{
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// FIXME: Rename to GMeta?
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// FIXME: user shouldn't deal with it - put to detail?
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// GMetaArg is an union type over descriptions of G-types which can serve as
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// GComputation's in/output slots.
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//
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// GMetaArg objects are passed as arguments to GComputation::compile()
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// to specify which data a compiled computation should be specialized on.
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// For manual compile(), user must supply this metadata, in case of apply()
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// this metadata is taken from arguments computation should operate on.
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//
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// The first type (monostate) is equal to "uninitialized"/"unresolved" meta.
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using GMetaArg = util::variant
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< util::monostate
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, GMatDesc
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, GScalarDesc
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, GArrayDesc
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>;
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GAPI_EXPORTS std::ostream& operator<<(std::ostream& os, const GMetaArg &);
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using GMetaArgs = std::vector<GMetaArg>;
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namespace detail
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{
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// These traits are used by GComputation::compile()
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// FIXME: is_constructible<T> doesn't work as variant doesn't do any SFINAE
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// in its current template constructor
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template<typename T> struct is_meta_descr : std::false_type {};
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template<> struct is_meta_descr<GMatDesc> : std::true_type {};
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template<> struct is_meta_descr<GScalarDesc> : std::true_type {};
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template<> struct is_meta_descr<GArrayDesc> : std::true_type {};
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template<typename... Ts>
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using are_meta_descrs = all_satisfy<is_meta_descr, Ts...>;
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template<typename... Ts>
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using are_meta_descrs_but_last = all_satisfy<is_meta_descr, typename all_but_last<Ts...>::type>;
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} // namespace detail
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// Note: descr_of(std::vector<..>) returns a GArrayDesc, while
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// descrs_of(std::vector<..>) returns an array of Meta args!
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class Mat;
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class UMat;
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GAPI_EXPORTS cv::GMetaArgs descrs_of(const std::vector<cv::Mat> &vec);
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GAPI_EXPORTS cv::GMetaArgs descrs_of(const std::vector<cv::UMat> &vec);
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namespace gapi { namespace own {
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class Mat;
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GAPI_EXPORTS cv::GMetaArgs descrs_of(const std::vector<Mat> &vec);
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}} // namespace gapi::own
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} // namespace cv
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#endif // OPENCV_GAPI_GMETAARG_HPP
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