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/**
* @file
* @brief Source file for Example Executable (example app for libopenshot)
* @author Jonathan Thomas <jonathan@openshot.org>
*
* @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 <fstream>
#include <iostream>
#include <memory>
#include "Clip.h"
#include "Frame.h"
#include "FFmpegReader.h"
#include "Timeline.h"
using namespace openshot;
int main(int argc, char* argv[]) {
// Types for storing time durations in whole and fractional milliseconds
using ms = std::chrono::milliseconds;
using s = std::chrono::seconds;
using double_ms = std::chrono::duration<double, ms::period>;
// FFmpeg Reader performance test
const auto total_1 = std::chrono::high_resolution_clock::now();
FFmpegReader r9("/home/jonathan/Videos/sintel_trailer-1080p.mp4");
r9.Open();
for (long int frame = 1; frame <= 1000; frame++)
{
const auto time1 = std::chrono::high_resolution_clock::now();
std::shared_ptr<Frame> f = r9.GetFrame(frame);
const auto time2 = std::chrono::high_resolution_clock::now();
std::cout << "FFmpegReader: " << frame
<< " (" << double_ms(time2 - time1).count() << " ms)\n";
}
const auto total_2 = std::chrono::high_resolution_clock::now();
auto total_sec = std::chrono::duration_cast<ms>(total_2 - total_1);
std::cout << "FFmpegReader TOTAL: " << total_sec.count() << " ms\n";
r9.Close();
// Timeline Reader performance test
Timeline tm(r9.info);
Clip *c = new Clip(&r9);
tm.AddClip(c);
tm.Open();
const auto total_3 = std::chrono::high_resolution_clock::now();
for (long int frame = 1; frame <= 1000; frame++)
{
const auto time1 = std::chrono::high_resolution_clock::now();
std::shared_ptr<Frame> f = tm.GetFrame(frame);
const auto time2 = std::chrono::high_resolution_clock::now();
std::cout << "Timeline: " << frame
<< " (" << double_ms(time2 - time1).count() << " ms)\n";
}
const auto total_4 = std::chrono::high_resolution_clock::now();
total_sec = std::chrono::duration_cast<ms>(total_4 - total_3);
std::cout << "Timeline TOTAL: " << total_sec.count() << " ms\n";
tm.Close();
std::cout << "Completed successfully!\n";
return 0;
}
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