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/**
* @file
* @brief Unit tests for CVTracker
* @author Jonathan Thomas <jonathan@openshot.org>
* @author Brenno Caldato <brenno.caldato@outlook.com>
*
* @ref License
*/
/* LICENSE
*
* Copyright (c) 2008-2020 OpenShot Studios, LLC
* <http://www.openshotstudios.com/>. This file is part of
* OpenShot Library (libopenshot), an open-source project dedicated to
* delivering high quality video editing and animation solutions to the
* world. For more information visit <http://www.openshot.org/>.
*
* OpenShot Library (libopenshot) is free software: you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* OpenShot Library (libopenshot) is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sstream>
#include <memory>
#include <catch2/catch.hpp>
#include "Clip.h"
#include "CVTracker.h" // for FrameData, CVTracker
#include "ProcessingController.h"
using namespace openshot;
// Just for the tracker constructor, it won't be used
ProcessingController tracker_pc;
TEST_CASE( "Track_Video", "[libopenshot][opencv][tracker]" )
{
// Create a video clip
std::stringstream path;
path << TEST_MEDIA_PATH << "test.avi";
// Open clip
openshot::Clip c1(path.str());
c1.Open();
std::string json_data = R"proto(
{
"protobuf_data_path": "kcf_tracker.data",
"tracker-type": "KCF",
"region": {"normalized_x": 0.459375, "normalized_y": 0.28333, "normalized_width": 0.28125, "normalized_height": 0.461111, "first-frame": 1}
} )proto";
// Create tracker
CVTracker kcfTracker(json_data, tracker_pc);
// Track clip for frames 0-20
kcfTracker.trackClip(c1, 1, 20, true);
// Get tracked data
FrameData fd = kcfTracker.GetTrackedData(20);
int x = (float)fd.x1 * 640;
int y = (float)fd.y1 * 360;
int width = ((float)fd.x2*640) - x;
int height = ((float)fd.y2*360) - y;
// Compare if tracked data is equal to pre-tested ones
CHECK(x >= 255); CHECK(x <= 257);
CHECK(y >= 133); CHECK(y <= 135);
CHECK(width >= 179); CHECK(width <= 181);
CHECK(height >= 165); CHECK(height <= 168);
}
TEST_CASE( "SaveLoad_Protobuf", "[libopenshot][opencv][tracker]" )
{
// Create a video clip
std::stringstream path;
path << TEST_MEDIA_PATH << "test.avi";
// Open clip
openshot::Clip c1(path.str());
c1.Open();
std::string json_data = R"proto(
{
"protobuf_data_path": "kcf_tracker.data",
"tracker-type": "KCF",
"region": {"x": 294, "y": 102, "width": 180, "height": 166, "first-frame": 1}
} )proto";
// Create first tracker
CVTracker kcfTracker_1(json_data, tracker_pc);
// Track clip for frames 0-20
kcfTracker_1.trackClip(c1, 1, 20, true);
// Get tracked data
FrameData fd_1 = kcfTracker_1.GetTrackedData(20);
float x_1 = fd_1.x1;
float y_1 = fd_1.y1;
float width_1 = fd_1.x2 - x_1;
float height_1 = fd_1.y2 - y_1;
// Save tracked data
kcfTracker_1.SaveTrackedData();
std::string proto_data_1 = R"proto(
{
"protobuf_data_path": "kcf_tracker.data",
"tracker_type": "",
"region": {"x": -1, "y": -1, "width": -1, "height": -1, "first-frame": 1}
} )proto";
// Create second tracker
CVTracker kcfTracker_2(proto_data_1, tracker_pc);
// Load tracked data from first tracker protobuf data
kcfTracker_2._LoadTrackedData();
// Get tracked data
FrameData fd_2 = kcfTracker_2.GetTrackedData(20);
float x_2 = fd_2.x1;
float y_2 = fd_2.y1;
float width_2 = fd_2.x2 - x_2;
float height_2 = fd_2.y2 - y_2;
// Compare first tracker data with second tracker data
CHECK((int)(x_1 * 640) == (int)(x_2 * 640));
CHECK((int)(y_1 * 360) == (int)(y_2 * 360));
CHECK((int)(width_1 * 640) == (int)(width_2 * 640));
CHECK((int)(height_1 * 360) == (int)(height_2 * 360));
}
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