f4334277
 Hu Chunming
提交3rdparty
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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) 2020 Intel Corporation
#include "test_precomp.hpp"
#include <opencv2/gapi/media.hpp>
////////////////////////////////////////////////////////////////////////////////
// cv::GFrame tests
namespace opencv_test {
G_API_OP(GBlurFrame, <GMat(GFrame)>, "test.blur_frame") {
static GMatDesc outMeta(GFrameDesc in) {
return cv::GMatDesc(CV_8U,3,in.size);
}
};
GAPI_OCV_KERNEL(OCVBlurFrame, GBlurFrame) {
static void run(const cv::MediaFrame &in, cv::Mat& out) {
GAPI_Assert(in.desc().fmt == cv::MediaFormat::BGR);
cv::MediaFrame::View view = in.access(cv::MediaFrame::Access::R);
cv::blur(cv::Mat(in.desc().size, CV_8UC3, view.ptr[0], view.stride[0]),
out,
cv::Size{3,3});
}
};
////////////////////////////////////////////////////////////////////////////////
// cv::MediaFrame tests
namespace {
class TestMediaBGR final: public cv::MediaFrame::IAdapter {
cv::Mat m_mat;
using Cb = cv::MediaFrame::View::Callback;
Cb m_cb;
public:
explicit TestMediaBGR(cv::Mat m, Cb cb = [](){})
: m_mat(m), m_cb(cb) {
}
cv::GFrameDesc meta() const override {
return cv::GFrameDesc{cv::MediaFormat::BGR, cv::Size(m_mat.cols, m_mat.rows)};
}
cv::MediaFrame::View access(cv::MediaFrame::Access) override {
cv::MediaFrame::View::Ptrs pp = { m_mat.ptr(), nullptr, nullptr, nullptr };
cv::MediaFrame::View::Strides ss = { m_mat.step, 0u, 0u, 0u };
return cv::MediaFrame::View(std::move(pp), std::move(ss), Cb{m_cb});
}
};
class TestMediaNV12 final: public cv::MediaFrame::IAdapter {
cv::Mat m_y;
cv::Mat m_uv;
public:
TestMediaNV12(cv::Mat y, cv::Mat uv) : m_y(y), m_uv(uv) {
}
cv::GFrameDesc meta() const override {
return cv::GFrameDesc{cv::MediaFormat::NV12, cv::Size(m_y.cols, m_y.rows)};
}
cv::MediaFrame::View access(cv::MediaFrame::Access) override {
cv::MediaFrame::View::Ptrs pp = {
m_y.ptr(), m_uv.ptr(), nullptr, nullptr
};
cv::MediaFrame::View::Strides ss = {
m_y.step, m_uv.step, 0u, 0u
};
return cv::MediaFrame::View(std::move(pp), std::move(ss));
}
};
} // anonymous namespace
struct MediaFrame_Test: public ::testing::Test {
using M = cv::Mat;
using MF = cv::MediaFrame;
MF frame;
};
struct MediaFrame_BGR: public MediaFrame_Test {
M bgr;
MediaFrame_BGR()
: bgr(M::eye(240, 320, CV_8UC3)) {
cv::randn(bgr, cv::Scalar::all(127.0f), cv::Scalar::all(40.f));
frame = MF::Create<TestMediaBGR>(bgr);
}
};
TEST_F(MediaFrame_BGR, Meta) {
auto meta = frame.desc();
EXPECT_EQ(cv::MediaFormat::BGR, meta.fmt);
EXPECT_EQ(cv::Size(320,240), meta.size);
}
TEST_F(MediaFrame_BGR, Access) {
cv::MediaFrame::View view1 = frame.access(cv::MediaFrame::Access::R);
EXPECT_EQ(bgr.ptr(), view1.ptr[0]);
EXPECT_EQ(bgr.step, view1.stride[0]);
cv::MediaFrame::View view2 = frame.access(cv::MediaFrame::Access::R);
EXPECT_EQ(bgr.ptr(), view2.ptr[0]);
EXPECT_EQ(bgr.step, view2.stride[0]);
}
TEST_F(MediaFrame_BGR, Input) {
// Run the OpenCV code
cv::Mat out_mat_ocv, out_mat_gapi;
cv::blur(bgr, out_mat_ocv, cv::Size{3,3});
// Run the G-API code
cv::GFrame in;
cv::GMat out = GBlurFrame::on(in);
cv::GComputation(cv::GIn(in), cv::GOut(out))
.apply(cv::gin(frame),
cv::gout(out_mat_gapi),
cv::compile_args(cv::gapi::kernels<OCVBlurFrame>()));
// Compare
EXPECT_EQ(0, cvtest::norm(out_mat_ocv, out_mat_gapi, NORM_INF));
}
struct MediaFrame_NV12: public MediaFrame_Test {
cv::Size sz;
cv::Mat buf, y, uv;
MediaFrame_NV12()
: sz {320, 240}
, buf(M::eye(sz.height*3/2, sz.width, CV_8UC1))
, y (buf.rowRange(0, sz.height))
, uv (buf.rowRange(sz.height, sz.height*3/2)) {
frame = MF::Create<TestMediaNV12>(y, uv);
}
};
TEST_F(MediaFrame_NV12, Meta) {
auto meta = frame.desc();
EXPECT_EQ(cv::MediaFormat::NV12, meta.fmt);
EXPECT_EQ(cv::Size(320,240), meta.size);
}
TEST_F(MediaFrame_NV12, Access) {
cv::MediaFrame::View view1 = frame.access(cv::MediaFrame::Access::R);
EXPECT_EQ(y. ptr(), view1.ptr [0]);
EXPECT_EQ(y. step, view1.stride[0]);
EXPECT_EQ(uv.ptr(), view1.ptr [1]);
EXPECT_EQ(uv.step, view1.stride[1]);
cv::MediaFrame::View view2 = frame.access(cv::MediaFrame::Access::R);
EXPECT_EQ(y. ptr(), view2.ptr [0]);
EXPECT_EQ(y. step, view2.stride[0]);
EXPECT_EQ(uv.ptr(), view2.ptr [1]);
EXPECT_EQ(uv.step, view2.stride[1]);
}
TEST(MediaFrame, Callback) {
int counter = 0;
cv::Mat bgr = cv::Mat::eye(240, 320, CV_8UC3);
cv::MediaFrame frame = cv::MediaFrame::Create<TestMediaBGR>(bgr, [&counter](){counter++;});
// Test that the callback (in this case, incrementing the counter)
// is called only on View destruction.
EXPECT_EQ(0, counter);
{
cv::MediaFrame::View v1 = frame.access(cv::MediaFrame::Access::R);
EXPECT_EQ(0, counter);
}
EXPECT_EQ(1, counter);
{
cv::MediaFrame::View v1 = frame.access(cv::MediaFrame::Access::R);
EXPECT_EQ(1, counter);
cv::MediaFrame::View v2 = frame.access(cv::MediaFrame::Access::W);
EXPECT_EQ(1, counter);
}
EXPECT_EQ(3, counter);
}
TEST(MediaFrame, blobParams) {
cv::Mat bgr = cv::Mat::eye(240, 320, CV_8UC3);
cv::MediaFrame frame = cv::MediaFrame::Create<TestMediaBGR>(bgr);
EXPECT_NO_THROW(frame.blobParams());
}
} // namespace opencv_test
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