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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 <tuple>
#include <unordered_set>
#include "test_precomp.hpp"
#include "opencv2/gapi/streaming/meta.hpp"
#include "opencv2/gapi/streaming/cap.hpp"
namespace opencv_test {
TEST(GraphMeta, Trad_AccessInput) {
cv::GMat in;
cv::GMat out1 = cv::gapi::blur(in, cv::Size(3,3));
cv::GOpaque<int> out2 = cv::gapi::streaming::meta<int>(in, "foo");
cv::GComputation graph(cv::GIn(in), cv::GOut(out1, out2));
cv::Mat in_mat = cv::Mat::eye(cv::Size(64, 64), CV_8UC1);
cv::Mat out_mat;
int out_meta = 0;
// manually set metadata in the input fields
auto inputs = cv::gin(in_mat);
inputs[0].meta["foo"] = 42;
graph.apply(std::move(inputs), cv::gout(out_mat, out_meta));
EXPECT_EQ(42, out_meta);
}
TEST(GraphMeta, Trad_AccessTmp) {
cv::GMat in;
cv::GMat tmp = cv::gapi::blur(in, cv::Size(3,3));
cv::GMat out1 = tmp+1;
cv::GOpaque<float> out2 = cv::gapi::streaming::meta<float>(tmp, "bar");
cv::GComputation graph(cv::GIn(in), cv::GOut(out1, out2));
cv::Mat in_mat = cv::Mat::eye(cv::Size(64, 64), CV_8UC1);
cv::Mat out_mat;
float out_meta = 0.f;
// manually set metadata in the input fields
auto inputs = cv::gin(in_mat);
inputs[0].meta["bar"] = 1.f;
graph.apply(std::move(inputs), cv::gout(out_mat, out_meta));
EXPECT_EQ(1.f, out_meta);
}
TEST(GraphMeta, Trad_AccessOutput) {
cv::GMat in;
cv::GMat out1 = cv::gapi::blur(in, cv::Size(3,3));
cv::GOpaque<std::string> out2 = cv::gapi::streaming::meta<std::string>(out1, "baz");
cv::GComputation graph(cv::GIn(in), cv::GOut(out1, out2));
cv::Mat in_mat = cv::Mat::eye(cv::Size(64, 64), CV_8UC1);
cv::Mat out_mat;
std::string out_meta;
// manually set metadata in the input fields
auto inputs = cv::gin(in_mat);
// NOTE: Assigning explicitly an std::string is important,
// otherwise a "const char*" will be stored and won't be
// translated properly by util::any since std::string is
// used within the graph.
inputs[0].meta["baz"] = std::string("opencv");
graph.apply(std::move(inputs), cv::gout(out_mat, out_meta));
EXPECT_EQ("opencv", out_meta);
}
TEST(GraphMeta, Streaming_AccessInput) {
cv::GMat in;
cv::GMat out1 = cv::gapi::blur(in, cv::Size(3,3));
cv::GOpaque<int64_t> out2 = cv::gapi::streaming::seq_id(in);
cv::GComputation graph(cv::GIn(in), cv::GOut(out1, out2));
auto ccomp = graph.compileStreaming();
const auto path = findDataFile("cv/video/768x576.avi");
try {
ccomp.setSource<cv::gapi::wip::GCaptureSource>(path);
} catch(...) {
throw SkipTestException("Video file can not be opened");
}
ccomp.start();
cv::Mat out_mat;
int64_t out_meta = 0;
int64_t expected_counter = 0;
while (ccomp.pull(cv::gout(out_mat, out_meta))) {
EXPECT_EQ(expected_counter, out_meta);
++expected_counter;
}
}
TEST(GraphMeta, Streaming_AccessOutput) {
cv::GMat in;
cv::GMat out1 = cv::gapi::blur(in, cv::Size(3,3));
cv::GOpaque<int64_t> out2 = cv::gapi::streaming::seq_id(out1);
cv::GOpaque<int64_t> out3 = cv::gapi::streaming::timestamp(out1);
cv::GComputation graph(cv::GIn(in), cv::GOut(out1, out2, out3));
auto ccomp = graph.compileStreaming();
const auto path = findDataFile("cv/video/768x576.avi");
try {
ccomp.setSource<cv::gapi::wip::GCaptureSource>(path);
} catch(...) {
throw SkipTestException("Video file can not be opened");
}
ccomp.start();
cv::Mat out_mat;
int64_t out_meta = 0;
int64_t out_timestamp = 0;
int64_t expected_counter = 0;
int64_t prev_timestamp = -1;
while (ccomp.pull(cv::gout(out_mat, out_meta, out_timestamp))) {
EXPECT_EQ(expected_counter, out_meta);
++expected_counter;
EXPECT_NE(prev_timestamp, out_timestamp);
prev_timestamp = out_timestamp;
}
}
TEST(GraphMeta, Streaming_AccessDesync) {
cv::GMat in;
cv::GOpaque<int64_t> out1 = cv::gapi::streaming::seq_id(in);
cv::GOpaque<int64_t> out2 = cv::gapi::streaming::timestamp(in);
cv::GMat out3 = cv::gapi::blur(in, cv::Size(3,3));
cv::GMat tmp = cv::gapi::streaming::desync(in);
cv::GScalar mean = cv::gapi::mean(tmp);
cv::GOpaque<int64_t> out4 = cv::gapi::streaming::seq_id(mean);
cv::GOpaque<int64_t> out5 = cv::gapi::streaming::timestamp(mean);
cv::GComputation graph(cv::GIn(in), cv::GOut(out1, out2, out3, out4, out5));
auto ccomp = graph.compileStreaming();
const auto path = findDataFile("cv/video/768x576.avi");
try {
ccomp.setSource<cv::gapi::wip::GCaptureSource>(path);
} catch(...) {
throw SkipTestException("Video file can not be opened");
}
ccomp.start();
cv::optional<int64_t> out_sync_id;
cv::optional<int64_t> out_sync_ts;
cv::optional<cv::Mat> out_sync_mat;
cv::optional<int64_t> out_desync_id;
cv::optional<int64_t> out_desync_ts;
std::unordered_set<int64_t> sync_ids;
std::unordered_set<int64_t> desync_ids;
while (ccomp.pull(cv::gout(out_sync_id, out_sync_ts, out_sync_mat,
out_desync_id, out_desync_ts))) {
if (out_sync_id.has_value()) {
CV_Assert(out_sync_ts.has_value());
CV_Assert(out_sync_mat.has_value());
sync_ids.insert(out_sync_id.value());
}
if (out_desync_id.has_value()) {
CV_Assert(out_desync_ts.has_value());
desync_ids.insert(out_desync_id.value());
}
}
// Visually report that everything is really ok
std::cout << sync_ids.size() << " vs " << desync_ids.size() << std::endl;
// Desync path should generate less objects than the synchronized one
EXPECT_GE(sync_ids.size(), desync_ids.size());
// ..but all desynchronized IDs must be present in the synchronized set
for (auto &&d_id : desync_ids) {
EXPECT_TRUE(sync_ids.count(d_id) > 0);
}
}
} // namespace opencv_test
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