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91 lines
3.4 KiB
C++
91 lines
3.4 KiB
C++
/**
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* @file
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* @brief Source file for Example Executable (example app for libopenshot)
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* @author Jonathan Thomas <jonathan@openshot.org>
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*
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* @ref License
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*/
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/* LICENSE
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*
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* Copyright (c) 2008-2019 OpenShot Studios, LLC
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* <http://www.openshotstudios.com/>. This file is part of
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* OpenShot Library (libopenshot), an open-source project dedicated to
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* delivering high quality video editing and animation solutions to the
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* world. For more information visit <http://www.openshot.org/>.
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*
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* OpenShot Library (libopenshot) is free software: you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* OpenShot Library (libopenshot) is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <fstream>
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#include <iostream>
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#include <memory>
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#include "OpenShot.h"
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#include "CrashHandler.h"
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using namespace openshot;
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int main(int argc, char* argv[]) {
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// Types for storing time durations in whole and fractional milliseconds
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using ms = std::chrono::milliseconds;
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using s = std::chrono::seconds;
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using double_ms = std::chrono::duration<double, ms::period>;
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// Track total time
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const auto total_time = double_ms(0.0);
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// FFmpeg Reader performance test
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const auto total_1 = std::chrono::high_resolution_clock::now();
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FFmpegReader r9("/home/jonathan/Videos/sintel_trailer-1080p.mp4");
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r9.Open();
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for (long int frame = 1; frame <= 1000; frame++)
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{
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const auto time1 = std::chrono::high_resolution_clock::now();
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std::shared_ptr<Frame> f = r9.GetFrame(frame);
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const auto time2 = std::chrono::high_resolution_clock::now();
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std::cout << "FFmpegReader: " << frame << " (" << double_ms(time2 - time1).count() << " ms)" << std::endl;
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}
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const auto total_2 = std::chrono::high_resolution_clock::now();
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auto total_sec = std::chrono::duration_cast<ms>(total_2 - total_1);
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std::cout << "FFmpegReader TOTAL: " << total_sec.count() << " ms" << std::endl;
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r9.Close();
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// Timeline Reader performance test
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Timeline tm(r9.info.width, r9.info.height, r9.info.fps, r9.info.sample_rate, r9.info.channels, r9.info.channel_layout);
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Clip *c = new Clip(&r9);
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tm.AddClip(c);
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tm.Open();
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const auto total_3 = std::chrono::high_resolution_clock::now();
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for (long int frame = 1; frame <= 1000; frame++)
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{
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const auto time1 = std::chrono::high_resolution_clock::now();
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std::shared_ptr<Frame> f = tm.GetFrame(frame);
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const auto time2 = std::chrono::high_resolution_clock::now();
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std::cout << "Timeline: " << frame << " (" << double_ms(time2 - time1).count() << " ms)" << std::endl;
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}
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const auto total_4 = std::chrono::high_resolution_clock::now();
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total_sec = std::chrono::duration_cast<ms>(total_4 - total_3);
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std::cout << "Timeline TOTAL: " << total_sec.count() << " ms" << std::endl;
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tm.Close();
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std::cout << "Completed successfully!" << std::endl;
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return 0;
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}
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