/** * @file * @brief Source file for Example Executable (example app for libopenshot) * @author Jonathan Thomas * * @ref License */ // Copyright (c) 2008-2019 OpenShot Studios, LLC // // SPDX-License-Identifier: LGPL-3.0-or-later #include #include #include #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; // 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 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(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 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(total_4 - total_3); std::cout << "Timeline TOTAL: " << total_sec.count() << " ms\n"; tm.Close(); std::cout << "Completed successfully!\n"; return 0; }