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CVStabilizer.cpp
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CVStabilizer.cpp
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/**
* @file
* @brief Unit tests for openshot::Frame
* @author Jonathan Thomas <jonathan@openshot.org>
* @author FeRD (Frank Dana) <ferdnyc@gmail.com>
*
* @ref License
*/
/* LICENSE
*
* Copyright (c) 2008-2019 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 "UnitTest++.h"
// Prevent name clashes with juce::UnitTest
#define DONT_SET_USING_JUCE_NAMESPACE 1
#include "Clip.h"
#include "CVStabilization.h" // for TransformParam, CamTrajectory, CVStabilization
#include "ProcessingController.h"
using namespace openshot;
SUITE(CVStabilizer_Tests)
{
// Just for the stabilizer constructor, it won't be used
ProcessingController processingController;
TEST(Stabilize_Video)
{
// 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": "stabilizer.data",
"smoothing-window": 30
} )proto";
// Create stabilizer
CVStabilization stabilizer(json_data, processingController);
// Stabilize clip for frames 0-21
stabilizer.stabilizeClip(c1, 0, 21, true);
// Get stabilized data
TransformParam tp = stabilizer.GetTransformParamData(20);
CamTrajectory ct = stabilizer.GetCamTrajectoryTrackedData(20);
// // Compare if stabilized data is equal to pre-tested ones
int dx = tp.dx*1000;
int dy = tp.dy*1000;
int da = tp.da*1000;
int x = ct.x*1000;
int y = ct.y*1000;
int a = ct.a*1000;
CHECK_EQUAL((int) (58), dx);
CHECK_EQUAL((int) (-88), dy);
CHECK_EQUAL((int) (7), da);
CHECK_EQUAL((int) (0), x);
CHECK_EQUAL((int) (-1), y);
CHECK_EQUAL((int) (0), a);
}
TEST(SaveLoad_Protobuf)
{
// 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": "stabilizer.data",
"smoothing-window": 30
} )proto";
// Create first stabilizer
CVStabilization stabilizer_1(json_data, processingController);
// Stabilize clip for frames 0-20
stabilizer_1.stabilizeClip(c1, 0, 20+1, true);
// Get stabilized data
TransformParam tp_1 = stabilizer_1.GetTransformParamData(20);
CamTrajectory ct_1 = stabilizer_1.GetCamTrajectoryTrackedData(20);
// Save stabilized data
stabilizer_1.SaveStabilizedData();
// Create second stabilizer
CVStabilization stabilizer_2(json_data, processingController);
// Load stabilized data from first stabilizer protobuf data
stabilizer_2._LoadStabilizedData();
// Get stabilized data
TransformParam tp_2 = stabilizer_2.GetTransformParamData(20);
CamTrajectory ct_2 = stabilizer_2.GetCamTrajectoryTrackedData(20);
// Compare first stabilizer data with second stabilizer data
CHECK_EQUAL((int) (tp_1.dx * 10000), (int) (tp_2.dx *10000));
CHECK_EQUAL((int) (tp_1.dy * 10000), (int) (tp_2.dy * 10000));
CHECK_EQUAL((int) (tp_1.da * 10000), (int) (tp_2.da * 10000));
CHECK_EQUAL((int) (ct_1.x * 10000), (int) (ct_2.x * 10000));
CHECK_EQUAL((int) (ct_1.y * 10000), (int) (ct_2.y * 10000));
CHECK_EQUAL((int) (ct_1.a * 10000), (int) (ct_2.a * 10000));
}
} // SUITE(Frame_Tests)