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Merge pull request #18401 from smirnov-alexey:as/serialization_more_types

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[G-API] Add support for more types serialization

* Support more types

* Add std::string support

* Fix GOpaque and gin interaction

* Fix tests on kind

* Make map serialization support templates and add tests on kind
pull/18453/head
Alexey Smirnov 4 years ago committed by GitHub
parent 19f4cc57c1
commit 8da1b9aafa
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8 changed files with 328 additions and 23 deletions
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  1. 19
      modules/gapi/include/opencv2/gapi/gcommon.hpp
  2. 2
      modules/gapi/include/opencv2/gapi/gopaque.hpp
  3. 28
      modules/gapi/src/backends/common/serialization.cpp
  4. 31
      modules/gapi/src/backends/common/serialization.hpp
  5. 13
      modules/gapi/test/gapi_array_tests.cpp
  6. 13
      modules/gapi/test/gapi_opaque_tests.cpp
  7. 122
      modules/gapi/test/s11n/gapi_s11n_tests.cpp
  8. 99
      modules/gapi/test/s11n/gapi_sample_pipelines_s11n.cpp

19
modules/gapi/include/opencv2/gapi/gcommon.hpp
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@ -44,12 +44,15 @@ namespace detail
CV_BOOL, // bool user G-API data
CV_INT, // int user G-API data
CV_DOUBLE, // double user G-API data
CV_FLOAT, // float user G-API data
CV_UINT64, // uint64_t user G-API data
CV_STRING, // std::string user G-API data
CV_POINT, // cv::Point user G-API data
CV_SIZE, // cv::Size user G-API data
CV_RECT, // cv::Rect user G-API data
CV_SCALAR, // cv::Scalar user G-API data
CV_MAT, // cv::Mat user G-API data
CV_PRIM, // cv::gapi::wip::draw::Prim user G-API data
CV_DRAW_PRIM, // cv::gapi::wip::draw::Prim user G-API data
};
// Type traits helper which simplifies the extraction of kind from type
@ -57,19 +60,23 @@ namespace detail
template<typename T> struct GOpaqueTraits { static constexpr const OpaqueKind kind = OpaqueKind::CV_UNKNOWN; };
template<> struct GOpaqueTraits<int> { static constexpr const OpaqueKind kind = OpaqueKind::CV_INT; };
template<> struct GOpaqueTraits<double> { static constexpr const OpaqueKind kind = OpaqueKind::CV_DOUBLE; };
template<> struct GOpaqueTraits<cv::Size> { static constexpr const OpaqueKind kind = OpaqueKind::CV_SIZE; };
template<> struct GOpaqueTraits<float> { static constexpr const OpaqueKind kind = OpaqueKind::CV_FLOAT; };
template<> struct GOpaqueTraits<uint64_t> { static constexpr const OpaqueKind kind = OpaqueKind::CV_UINT64; };
template<> struct GOpaqueTraits<bool> { static constexpr const OpaqueKind kind = OpaqueKind::CV_BOOL; };
template<> struct GOpaqueTraits<std::string> { static constexpr const OpaqueKind kind = OpaqueKind::CV_STRING; };
template<> struct GOpaqueTraits<cv::Size> { static constexpr const OpaqueKind kind = OpaqueKind::CV_SIZE; };
template<> struct GOpaqueTraits<cv::Scalar> { static constexpr const OpaqueKind kind = OpaqueKind::CV_SCALAR; };
template<> struct GOpaqueTraits<cv::Point> { static constexpr const OpaqueKind kind = OpaqueKind::CV_POINT; };
template<> struct GOpaqueTraits<cv::Mat> { static constexpr const OpaqueKind kind = OpaqueKind::CV_MAT; };
template<> struct GOpaqueTraits<cv::Rect> { static constexpr const OpaqueKind kind = OpaqueKind::CV_RECT; };
template<> struct GOpaqueTraits<cv::GMat> { static constexpr const OpaqueKind kind = OpaqueKind::CV_MAT; };
template<> struct GOpaqueTraits<cv::gapi::wip::draw::Prim>
{ static constexpr const OpaqueKind kind = OpaqueKind::CV_PRIM; };
// GArray is not supporting bool type for now due to difference in std::vector<bool> implementation
using GOpaqueTraitsArrayTypes = std::tuple<int, double, cv::Size, cv::Scalar, cv::Point, cv::Mat, cv::Rect, cv::gapi::wip::draw::Prim>;
{ static constexpr const OpaqueKind kind = OpaqueKind::CV_DRAW_PRIM; };
using GOpaqueTraitsArrayTypes = std::tuple<int, double, float, uint64_t, bool, std::string, cv::Size, cv::Scalar, cv::Point,
cv::Mat, cv::Rect, cv::gapi::wip::draw::Prim>;
// GOpaque is not supporting cv::Mat and cv::Scalar since there are GScalar and GMat types
using GOpaqueTraitsOpaqueTypes = std::tuple<bool, int, double, cv::Size, cv::Point, cv::Rect, cv::gapi::wip::draw::Prim>;
using GOpaqueTraitsOpaqueTypes = std::tuple<int, double, float, uint64_t, bool, std::string, cv::Size, cv::Point, cv::Rect,
cv::gapi::wip::draw::Prim>;
} // namespace detail
// This definition is here because it is reused by both public(?) and internal

2
modules/gapi/include/opencv2/gapi/gopaque.hpp
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@ -240,7 +240,7 @@ namespace detail
// FIXME: probably won't work with const object
explicit OpaqueRef(T&& obj) :
m_ref(new OpaqueRefT<util::decay_t<T>>(std::forward<T>(obj))),
m_kind(GOpaqueTraits<T>::kind) {}
m_kind(GOpaqueTraits<util::decay_t<T>>::kind) {}
cv::detail::OpaqueKind getKind() const
{

28
modules/gapi/src/backends/common/serialization.cpp
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@ -480,7 +480,10 @@ I::OStream& operator<< (I::OStream& os, const cv::GArg &arg) {
switch (arg.opaque_kind) {
case cv::detail::OpaqueKind::CV_BOOL: os << arg.get<bool>(); break;
case cv::detail::OpaqueKind::CV_INT: os << arg.get<int>(); break;
case cv::detail::OpaqueKind::CV_UINT64: os << arg.get<uint64_t>(); break;
case cv::detail::OpaqueKind::CV_DOUBLE: os << arg.get<double>(); break;
case cv::detail::OpaqueKind::CV_FLOAT: os << arg.get<float>(); break;
case cv::detail::OpaqueKind::CV_STRING: os << arg.get<std::string>(); break;
case cv::detail::OpaqueKind::CV_POINT: os << arg.get<cv::Point>(); break;
case cv::detail::OpaqueKind::CV_SIZE: os << arg.get<cv::Size>(); break;
case cv::detail::OpaqueKind::CV_RECT: os << arg.get<cv::Rect>(); break;
@ -511,7 +514,10 @@ I::IStream& operator>> (I::IStream& is, cv::GArg &arg) {
{ T t{}; is >> t; arg = (cv::GArg(t)); } break
HANDLE_CASE(BOOL , bool);
HANDLE_CASE(INT , int);
HANDLE_CASE(UINT64 , uint64_t);
HANDLE_CASE(DOUBLE , double);
HANDLE_CASE(FLOAT , float);
HANDLE_CASE(STRING , std::string);
HANDLE_CASE(POINT , cv::Point);
HANDLE_CASE(SIZE , cv::Size);
HANDLE_CASE(RECT , cv::Rect);
@ -686,6 +692,12 @@ I::OStream& ByteMemoryOutStream::operator<< (uint32_t atom) {
m_storage.push_back(0xFF & (atom >> 24));
return *this;
}
I::OStream& ByteMemoryOutStream::operator<< (uint64_t atom) {
for (int i = 0; i < 8; ++i) {
m_storage.push_back(0xFF & (atom >> (i * 8)));;
}
return *this;
}
I::OStream& ByteMemoryOutStream::operator<< (bool atom) {
m_storage.push_back(atom ? 1 : 0);
return *this;
@ -734,7 +746,6 @@ I::OStream& ByteMemoryOutStream::operator<< (const std::string &str) {
for (auto c : str) *this << c;
return *this;
}
ByteMemoryInStream::ByteMemoryInStream(const std::vector<char> &data)
: m_storage(data) {
}
@ -753,11 +764,26 @@ I::IStream& ByteMemoryInStream::operator>> (bool& atom) {
atom = (m_storage[m_idx++] == 0) ? false : true;
return *this;
}
I::IStream& ByteMemoryInStream::operator>> (std::vector<bool>::reference atom) {
check(sizeof(char));
atom = (m_storage[m_idx++] == 0) ? false : true;
return *this;
}
I::IStream& ByteMemoryInStream::operator>> (char &atom) {
check(sizeof(char));
atom = m_storage[m_idx++];
return *this;
}
I::IStream& ByteMemoryInStream::operator>> (uint64_t &atom) {
check(sizeof(uint64_t));
uint8_t x[8];
atom = 0;
for (int i = 0; i < 8; ++i) {
x[i] = static_cast<uint8_t>(m_storage[m_idx++]);
atom |= (static_cast<uint64_t>(x[i]) << (i * 8));
}
return *this;
}
I::IStream& ByteMemoryInStream::operator>> (unsigned char &atom) {
char c{};
*this >> c;

31
modules/gapi/src/backends/common/serialization.hpp
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@ -9,7 +9,8 @@
#include <iostream>
#include <fstream>
#include <string.h>
#include <string>
#include <map>
#include <ade/util/iota_range.hpp> // used in the vector<</>>
@ -46,6 +47,7 @@ namespace I {
virtual OStream& operator<< (int) = 0;
//virtual OStream& operator<< (std::size_t) = 0;
virtual OStream& operator<< (uint32_t) = 0;
virtual OStream& operator<< (uint64_t) = 0;
virtual OStream& operator<< (float) = 0;
virtual OStream& operator<< (double) = 0;
virtual OStream& operator<< (const std::string&) = 0;
@ -55,6 +57,7 @@ namespace I {
virtual ~IStream() = default;
virtual IStream& operator>> (bool &) = 0;
virtual IStream& operator>> (std::vector<bool>::reference) = 0;
virtual IStream& operator>> (char &) = 0;
virtual IStream& operator>> (unsigned char &) = 0;
virtual IStream& operator>> (short &) = 0;
@ -64,6 +67,7 @@ namespace I {
virtual IStream& operator>> (double &) = 0;
//virtual IStream& operator>> (std::size_t &) = 0;
virtual IStream& operator >> (uint32_t &) = 0;
virtual IStream& operator >> (uint64_t &) = 0;
virtual IStream& operator>> (std::string &) = 0;
};
} // namespace I
@ -217,6 +221,28 @@ GAPI_EXPORTS void serialize( I::OStream& os
GAPI_EXPORTS GSerialized deserialize(I::IStream& is);
GAPI_EXPORTS void reconstruct(const GSerialized &s, ade::Graph &g);
// Generic: map serialization ////////////////////////////////////////
template<typename K, typename V>
I::OStream& operator<< (I::OStream& os, const std::map<K, V> &m) {
const uint32_t sz = static_cast<uint32_t>(m.size()); // explicitly specify type
os << sz;
for (const auto& it : m) os << it.first << it.second;
return os;
}
template<typename K, typename V>
I::IStream& operator>> (I::IStream& is, std::map<K, V> &m) {
m.clear();
uint32_t sz = 0u;
is >> sz;
for (std::size_t i = 0; i < sz; ++i) {
K k{};
V v{};
is >> k >> v;
m[k] = v;
}
return is;
}
// Legacy //////////////////////////////////////////////////////////////////////
// Generic: unordered_map serialization ////////////////////////////////////////
template<typename K, typename V>
@ -334,6 +360,7 @@ public:
virtual I::OStream& operator<< (double) override;
virtual I::OStream& operator<< (const std::string&) override;
virtual I::OStream& operator<< (uint32_t) override;
virtual I::OStream& operator<< (uint64_t) override;
};
class GAPI_EXPORTS ByteMemoryInStream final: public I::IStream {
@ -349,6 +376,7 @@ public:
explicit ByteMemoryInStream(const std::vector<char> &data);
virtual I::IStream& operator>> (bool &) override;
virtual I::IStream& operator>> (std::vector<bool>::reference) override;
virtual I::IStream& operator>> (char &) override;
virtual I::IStream& operator>> (unsigned char &) override;
virtual I::IStream& operator>> (short &) override;
@ -358,6 +386,7 @@ public:
virtual I::IStream& operator>> (double &) override;
//virtual I::IStream& operator>> (std::size_t &) override;
virtual I::IStream& operator >> (uint32_t &) override;
virtual I::IStream& operator >> (uint64_t &) override;
virtual I::IStream& operator>> (std::string &) override;
};

13
modules/gapi/test/gapi_array_tests.cpp
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@ -240,6 +240,14 @@ TEST(GArray_VectorRef, TestMov)
EXPECT_EQ(V{}, vtest);
}
namespace {
struct MyTestStruct {
int i;
float f;
std::string name;
};
}
TEST(GArray_VectorRef, Kind)
{
cv::detail::VectorRef v1(std::vector<cv::Rect>{});
@ -264,7 +272,10 @@ TEST(GArray_VectorRef, Kind)
EXPECT_EQ(cv::detail::OpaqueKind::CV_SIZE, v7.getKind());
cv::detail::VectorRef v8(std::vector<std::string>{});
EXPECT_EQ(cv::detail::OpaqueKind::CV_UNKNOWN, v8.getKind());
EXPECT_EQ(cv::detail::OpaqueKind::CV_STRING, v8.getKind());
cv::detail::VectorRef v9(std::vector<MyTestStruct>{});
EXPECT_EQ(cv::detail::OpaqueKind::CV_UNKNOWN, v9.getKind());
}
TEST(GArray_VectorRef, TestRvalue)

13
modules/gapi/test/gapi_opaque_tests.cpp
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@ -215,6 +215,14 @@ TEST(GOpaque_OpaqueRef, TestMov)
EXPECT_NE(test, mov.rref<I>()); // ref lost the data
}
namespace {
struct MyTestStruct {
int i;
float f;
std::string name;
};
}
TEST(GOpaque_OpaqueRef, Kind)
{
cv::detail::OpaqueRef v1(cv::Rect{});
@ -233,7 +241,10 @@ TEST(GOpaque_OpaqueRef, Kind)
EXPECT_EQ(cv::detail::OpaqueKind::CV_SIZE, v7.getKind());
cv::detail::OpaqueRef v8(std::string{});
EXPECT_EQ(cv::detail::OpaqueKind::CV_UNKNOWN, v8.getKind());
EXPECT_EQ(cv::detail::OpaqueKind::CV_STRING, v8.getKind());
cv::detail::OpaqueRef v9(MyTestStruct{});
EXPECT_EQ(cv::detail::OpaqueKind::CV_UNKNOWN, v9.getKind());
}
TEST(GOpaque_OpaqueRef, TestReset)

122
modules/gapi/test/s11n/gapi_s11n_tests.cpp
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@ -62,6 +62,74 @@ TEST_F(S11N_Basic, Test_fp64) {
EXPECT_EQ(x, get<double>());
}
TEST_F(S11N_Basic, Test_uint64) {
uint64_t x = 2147483647374;
put(x);
EXPECT_EQ(x, get<uint64_t>());
}
TEST_F(S11N_Basic, Test_int32_pos) {
int32_t x = 2147483647;
put(x);
EXPECT_EQ(x, get<int32_t>());
}
TEST_F(S11N_Basic, Test_int32_neg) {
int32_t x = -2147483646;
put(x);
EXPECT_EQ(x, get<int32_t>());
}
TEST_F(S11N_Basic, Test_vector_bool) {
std::vector<bool> v = {false, true, false};
put(v);
EXPECT_EQ(v, get<std::vector<bool>>());
}
TEST_F(S11N_Basic, Test_map_string2string) {
using T = std::map<std::string, std::string>;
T v;
v["gapi"] = "cool";
v["42"] = "answer";
v["hi"] = "hello there";
put(v);
EXPECT_EQ(v, get<T>());
}
TEST_F(S11N_Basic, Test_map_int2int) {
using T = std::map<int, int32_t>;
T v;
v[1] = 23;
v[-100] = 0;
v[435346] = -12346;
put(v);
EXPECT_EQ(v, get<T>());
}
TEST_F(S11N_Basic, Test_map_float2cvsize) {
using T = std::map<float, cv::Size>;
T v;
v[0.4f] = cv::Size(4, 5);
v[234.43f] = cv::Size(3421, 321);
v[2223.f] = cv::Size(1920, 1080);
put(v);
EXPECT_EQ(v, get<T>());
}
TEST_F(S11N_Basic, Test_map_uint642cvmat) {
using T = std::map<uint64_t, cv::Mat>;
T v;
v[21304805324] = cv::Mat(3, 3, CV_8UC1, cv::Scalar::all(3));
v[4353245222] = cv::Mat(5, 5, CV_8UC3, cv::Scalar::all(7));
v[0] = cv::Mat(10, 10, CV_32FC2, cv::Scalar::all(-128.f));
put(v);
auto out_v = get<T>();
for (const auto& el : out_v) {
EXPECT_NE(v.end(), v.find(el.first));
EXPECT_EQ(0, cv::norm(el.second, v[el.first]));
}
}
TEST_F(S11N_Basic, Test_vector_int) {
std::vector<int> v = {1,2,3};
put(v);
@ -348,4 +416,58 @@ TEST_F(S11N_Basic, Test_Bind_RunArgs_MatScalar) {
i++;
}
}
namespace {
template <cv::detail::OpaqueKind K, typename T>
bool verifyOpaqueKind(T&& in) {
auto inObjs = cv::gin(in);
auto in_o_ref = cv::util::get<cv::detail::OpaqueRef>(inObjs[0]);
return K == in_o_ref.getKind();
}
template <cv::detail::OpaqueKind K, typename T>
bool verifyArrayKind(T&& in) {
auto inObjs = cv::gin(in);
auto in_o_ref = cv::util::get<cv::detail::VectorRef>(inObjs[0]);
return K == in_o_ref.getKind();
}
}
TEST_F(S11N_Basic, Test_Gin_GOpaque) {
int i; float f; double d;
std::uint64_t ui; bool b;
std::string s;
cv::Rect r; cv::Size sz;
cv::Point p;
EXPECT_TRUE(verifyOpaqueKind<cv::detail::OpaqueKind::CV_INT>(i));
EXPECT_TRUE(verifyOpaqueKind<cv::detail::OpaqueKind::CV_FLOAT>(f));
EXPECT_TRUE(verifyOpaqueKind<cv::detail::OpaqueKind::CV_DOUBLE>(d));
EXPECT_TRUE(verifyOpaqueKind<cv::detail::OpaqueKind::CV_UINT64>(ui));
EXPECT_TRUE(verifyOpaqueKind<cv::detail::OpaqueKind::CV_BOOL>(b));
EXPECT_TRUE(verifyOpaqueKind<cv::detail::OpaqueKind::CV_STRING>(s));
EXPECT_TRUE(verifyOpaqueKind<cv::detail::OpaqueKind::CV_RECT>(r));
EXPECT_TRUE(verifyOpaqueKind<cv::detail::OpaqueKind::CV_SIZE>(sz));
EXPECT_TRUE(verifyOpaqueKind<cv::detail::OpaqueKind::CV_POINT>(p));
}
TEST_F(S11N_Basic, Test_Gin_GArray) {
std::vector<int> i; std::vector<float> f; std::vector<double> d;
std::vector<std::uint64_t> ui; std::vector<bool> b;
std::vector<std::string> s;
std::vector<cv::Rect> r; std::vector<cv::Size> sz;
std::vector<cv::Point> p;
std::vector<cv::Mat> mat;
std::vector<cv::Scalar> sc;
EXPECT_TRUE(verifyArrayKind<cv::detail::OpaqueKind::CV_INT>(i));
EXPECT_TRUE(verifyArrayKind<cv::detail::OpaqueKind::CV_FLOAT>(f));
EXPECT_TRUE(verifyArrayKind<cv::detail::OpaqueKind::CV_DOUBLE>(d));
EXPECT_TRUE(verifyArrayKind<cv::detail::OpaqueKind::CV_UINT64>(ui));
EXPECT_TRUE(verifyArrayKind<cv::detail::OpaqueKind::CV_BOOL>(b));
EXPECT_TRUE(verifyArrayKind<cv::detail::OpaqueKind::CV_STRING>(s));
EXPECT_TRUE(verifyArrayKind<cv::detail::OpaqueKind::CV_RECT>(r));
EXPECT_TRUE(verifyArrayKind<cv::detail::OpaqueKind::CV_SIZE>(sz));
EXPECT_TRUE(verifyArrayKind<cv::detail::OpaqueKind::CV_POINT>(p));
EXPECT_TRUE(verifyArrayKind<cv::detail::OpaqueKind::CV_MAT>(mat));
EXPECT_TRUE(verifyArrayKind<cv::detail::OpaqueKind::CV_SCALAR>(sc));
}
} // namespace opencv_test

99
modules/gapi/test/s11n/gapi_sample_pipelines_s11n.cpp
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@ -391,6 +391,52 @@ namespace ThisTest
vp[idx] = cv::Point(vi[idx], vi[idx]);
}
};
using GK3Out = std::tuple<cv::GArray<uint64_t>, cv::GArray<int32_t>>;
G_TYPED_KERNEL_M(OpArrK3, <GK3Out(cv::GArray<bool>, cv::GArray<int32_t>, cv::GOpaque<float>)>, "test.s11n.oparrk3")
{
static std::tuple<GArrayDesc, GArrayDesc> outMeta(const GArrayDesc&, const GArrayDesc&, const GOpaqueDesc&) {
return std::make_tuple(empty_array_desc(), empty_array_desc());
}
};
GAPI_OCV_KERNEL(OCVOpArrK3, OpArrK3)
{
static void run(const std::vector<bool>& vb, const std::vector<int32_t>& vi_in, const float& f,
std::vector<uint64_t>& vui, std::vector<int32_t>& vi)
{
vui.clear(); vui.resize(vi_in.size());
vi.clear(); vi.resize(vi_in.size());
for (std::size_t idx = 0; idx < vi_in.size(); ++ idx)
{
vi[idx] = vb[idx] ? vi_in[idx] : -vi_in[idx];
vui[idx] = vb[idx] ? static_cast<uint64_t>(vi_in[idx] * f) :
static_cast<uint64_t>(vi_in[idx] / f);
}
}
};
using GK4Out = std::tuple<cv::GOpaque<int>, cv::GArray<std::string>>;
G_TYPED_KERNEL_M(OpArrK4, <GK4Out(cv::GOpaque<bool>, cv::GOpaque<std::string>)>, "test.s11n.oparrk4")
{
static std::tuple<GOpaqueDesc, GArrayDesc> outMeta(const GOpaqueDesc&, const GOpaqueDesc&) {
return std::make_tuple(empty_gopaque_desc(), empty_array_desc());
}
};
GAPI_OCV_KERNEL(OCVOpArrK4, OpArrK4)
{
static void run(const bool& b, const std::string& s,
int& i, std::vector<std::string>& vs)
{
vs.clear();
vs.resize(2);
i = b ? 42 : 24;
auto s_copy = s + " world";
vs = std::vector<std::string>{s_copy, s_copy};
}
};
} // namespace ThisTest
TEST(S11N, Pipeline_GOpaque)
@ -485,6 +531,59 @@ TEST(S11N, Pipeline_GArray_GOpaque_Multinode)
}
}
TEST(S11N, Pipeline_GArray_GOpaque_2)
{
using namespace ThisTest;
cv::GArray<bool> in1;
cv::GArray<int32_t> in2;
cv::GOpaque<float> in3;
auto out = OpArrK3::on(in1, in2, in3);
cv::GComputation c(cv::GIn(in1, in2, in3),
cv::GOut(std::get<0>(out), std::get<1>(out)));
auto p = cv::gapi::serialize(c);
auto dc = cv::gapi::deserialize<cv::GComputation>(p);
std::vector<bool> b {true, false, false};
std::vector<int32_t> i {234324, -234252, 999};
float f = 0.85f;
std::vector<int32_t> out_i;
std::vector<uint64_t> out_ui;
dc.apply(cv::gin(b, i, f), cv::gout(out_ui, out_i), cv::compile_args(cv::gapi::kernels<OCVOpArrK3>()));
for (std::size_t idx = 0; idx < b.size(); ++idx)
{
EXPECT_EQ(out_i[idx], b[idx] ? i[idx] : -i[idx]);
EXPECT_EQ(out_ui[idx], b[idx] ? static_cast<uint64_t>(i[idx] * f) :
static_cast<uint64_t>(i[idx] / f));
}
}
TEST(S11N, Pipeline_GArray_GOpaque_3)
{
using namespace ThisTest;
cv::GOpaque<bool> in1;
cv::GOpaque<std::string> in2;
auto out = OpArrK4::on(in1, in2);
cv::GComputation c(cv::GIn(in1, in2),
cv::GOut(std::get<0>(out), std::get<1>(out)));
auto p = cv::gapi::serialize(c);
auto dc = cv::gapi::deserialize<cv::GComputation>(p);
bool b = false;
std::string s("hello");
int i = 0;
std::vector<std::string> vs{};
dc.apply(cv::gin(b, s), cv::gout(i, vs), cv::compile_args(cv::gapi::kernels<OCVOpArrK4>()));
EXPECT_EQ(24, i);
std::vector<std::string> vs_ref{"hello world", "hello world"};
EXPECT_EQ(vs_ref, vs);
}
TEST(S11N, Pipeline_Render_NV12)
{
cv::Size sz (100, 200);

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