serialization.hpp
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#ifndef OPENCV_GAPI_COMMON_SERIALIZATION_HPP
#define OPENCV_GAPI_COMMON_SERIALIZATION_HPP
// 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) 2020-2021 Intel Corporation
#include <iostream>
#include <fstream>
#include <string>
#include <map>
#include <ade/util/iota_range.hpp> // used in the vector<</>>
#include "compiler/gmodel.hpp"
#include "opencv2/gapi/render/render_types.hpp"
#include "opencv2/gapi/s11n.hpp" // basic interfaces
#if (defined _WIN32 || defined _WIN64) && defined _MSC_VER
#pragma warning(disable: 4702)
#endif
namespace cv {
namespace gapi {
namespace s11n {
struct GSerialized {
std::vector<cv::gimpl::Op> m_ops;
std::vector<cv::gimpl::Data> m_datas;
cv::gimpl::DataObjectCounter m_counter;
cv::gimpl::Protocol m_proto;
using data_tag_t = uint64_t;
std::map<data_tag_t, cv::gimpl::ConstValue> m_const_datas;
};
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// S11N operators
// Note: operators for basic types are defined in IIStream/IOStream
// G-API types /////////////////////////////////////////////////////////////////
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::GCompileArg& arg);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, cv::util::monostate );
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::util::monostate &);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, cv::GShape shape);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::GShape &shape);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, cv::detail::ArgKind k);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::detail::ArgKind &k);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, cv::detail::OpaqueKind k);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::detail::OpaqueKind &k);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, cv::gimpl::Data::Storage s);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::gimpl::Data::Storage &s);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::gimpl::DataObjectCounter &c);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::gimpl::DataObjectCounter &c);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::gimpl::Protocol &p);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::gimpl::Protocol &p);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::GArg &arg);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::GArg &arg);
//Forward declaration
//IOStream& operator<< (IOStream& os, const cv::GRunArg &arg);
//IIStream& operator>> (IIStream& is, cv::GRunArg &arg);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::GKernel &k);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::GKernel &k);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::GMatDesc &d);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::GMatDesc &d);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::GScalarDesc &);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::GScalarDesc &);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::GOpaqueDesc &);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::GOpaqueDesc &);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::GArrayDesc &);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::GArrayDesc &);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::GFrameDesc &);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::GFrameDesc &);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::gimpl::RcDesc &rc);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::gimpl::RcDesc &rc);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::gimpl::Op &op);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::gimpl::Op &op);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::gimpl::Data &op);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::gimpl::Data &op);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::gimpl::ConstValue &cd);
GAPI_EXPORTS IIStream& operator>> (IIStream& os, cv::gimpl::ConstValue &cd);
// Render types ////////////////////////////////////////////////////////////////
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::gapi::wip::draw::Text &t);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::gapi::wip::draw::Text &t);
GAPI_EXPORTS IOStream& operator<< (IOStream&, const cv::gapi::wip::draw::FText &);
GAPI_EXPORTS IIStream& operator>> (IIStream&, cv::gapi::wip::draw::FText &);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::gapi::wip::draw::Circle &c);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::gapi::wip::draw::Circle &c);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::gapi::wip::draw::Rect &r);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::gapi::wip::draw::Rect &r);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::gapi::wip::draw::Image &i);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::gapi::wip::draw::Image &i);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::gapi::wip::draw::Mosaic &m);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::gapi::wip::draw::Mosaic &m);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::gapi::wip::draw::Poly &p);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::gapi::wip::draw::Poly &p);
GAPI_EXPORTS IOStream& operator<< (IOStream& os, const cv::gapi::wip::draw::Line &l);
GAPI_EXPORTS IIStream& operator>> (IIStream& is, cv::gapi::wip::draw::Line &l);
// The top-level serialization routine.
// Note it is just a single function which takes a GModel and a list of nodes
// and writes the data to the stream (recursively)
GAPI_EXPORTS void serialize( IOStream& os
, const ade::Graph &g
, const std::vector<ade::NodeHandle> &nodes);
// The top-level serialization routine.
// Note it is just a single function which takes a GModel and a list of nodes
// and writes the data to the stream (recursively)
GAPI_EXPORTS void serialize( IOStream& os
, const ade::Graph &g
, const cv::gimpl::Protocol &p
, const std::vector<ade::NodeHandle> &nodes);
// The top-level deserialization routineS.
// Unfortunately the deserialization is a two-step process:
// 1. First we decode a stream into some intermediate representation
// (called "GSerialized");
// 2. Then we produce an ade::Graph from this intermediate representation.
//
// An ade::Graph can't be produced from the stream immediately
// since every GCompiled object has its own unique ade::Graph, so
// we can't do it once and for all since every compilation process
// is individual and _is_ altering the ade::Graph state (structure and metadata).
// At the same time, we can't hold the reference to "is" within the GComputation
// forever since this input stream may be associated with an external resource
// and have side effects.
//
// Summarizing, the `deserialize()` happens *once per GComputation* immediately
// during the cv::gapi::deserialize<GComputation>(), and `reconstruct()` happens
// on every compilation process issued for this GComputation.
GAPI_EXPORTS GSerialized deserialize(IIStream& is);
GAPI_EXPORTS void reconstruct(const GSerialized &s, ade::Graph &g);
// FIXME: Basic Stream implementaions //////////////////////////////////////////
// Basic in-memory stream implementations.
class GAPI_EXPORTS ByteMemoryOutStream final: public IOStream {
std::vector<char> m_storage;
//virtual IOStream& operator << (uint32_t) override;
//virtual IOStream& operator<< (uint32_t) final;
public:
const std::vector<char>& data() const;
virtual IOStream& operator<< (bool) override;
virtual IOStream& operator<< (char) override;
virtual IOStream& operator<< (unsigned char) override;
virtual IOStream& operator<< (short) override;
virtual IOStream& operator<< (unsigned short) override;
virtual IOStream& operator<< (int) override;
//virtual IOStream& operator<< (std::size_t) override;
virtual IOStream& operator<< (float) override;
virtual IOStream& operator<< (double) override;
virtual IOStream& operator<< (const std::string&) override;
virtual IOStream& operator<< (uint32_t) override;
virtual IOStream& operator<< (uint64_t) override;
};
class GAPI_EXPORTS ByteMemoryInStream final: public IIStream {
const std::vector<char>& m_storage;
size_t m_idx = 0u;
void check(std::size_t n) { (void) n; GAPI_DbgAssert(m_idx+n-1 < m_storage.size()); }
uint32_t getU32() { uint32_t v{}; *this >> v; return v; };
//virtual IIStream& operator>> (uint32_t &) final;
public:
explicit ByteMemoryInStream(const std::vector<char> &data);
virtual IIStream& operator>> (bool &) override;
virtual IIStream& operator>> (std::vector<bool>::reference) override;
virtual IIStream& operator>> (char &) override;
virtual IIStream& operator>> (unsigned char &) override;
virtual IIStream& operator>> (short &) override;
virtual IIStream& operator>> (unsigned short &) override;
virtual IIStream& operator>> (int &) override;
virtual IIStream& operator>> (float &) override;
virtual IIStream& operator>> (double &) override;
//virtual IIStream& operator>> (std::size_t &) override;
virtual IIStream& operator >> (uint32_t &) override;
virtual IIStream& operator >> (uint64_t &) override;
virtual IIStream& operator>> (std::string &) override;
};
namespace detail {
GAPI_EXPORTS std::unique_ptr<IIStream> getInStream(const std::vector<char> &p);
} // namespace detail
GAPI_EXPORTS void serialize(IOStream& os, const cv::GCompileArgs &ca);
GAPI_EXPORTS void serialize(IOStream& os, const cv::GMetaArgs &ma);
GAPI_EXPORTS void serialize(IOStream& os, const cv::GRunArgs &ra);
GAPI_EXPORTS void serialize(IOStream& os, const std::vector<std::string> &vs);
GAPI_EXPORTS GMetaArgs meta_args_deserialize(IIStream& is);
GAPI_EXPORTS GRunArgs run_args_deserialize(IIStream& is);
GAPI_EXPORTS std::vector<std::string> vector_of_strings_deserialize(IIStream& is);
} // namespace s11n
} // namespace gapi
} // namespace cv
#endif // OPENCV_GAPI_COMMON_SERIALIZATION_HPP