/* Copyright (C) 2012-2016 Carl Hetherington This file is part of DCP-o-matic. DCP-o-matic is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. DCP-o-matic 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 General Public License for more details. You should have received a copy of the GNU General Public License along with DCP-o-matic. If not, see . */ /** @file test/frame_rate_test.cc * @brief Tests for FrameRateChange and the computation of the best * frame rate for the DCP. * @ingroup feature */ #include "lib/audio_content.h" #include "lib/config.h" #include "lib/ffmpeg_audio_stream.h" #include "lib/ffmpeg_content.h" #include "lib/film.h" #include "lib/frame_rate_change.h" #include "lib/playlist.h" #include "lib/video_content.h" #include "test.h" #include /* Test Playlist::best_dcp_frame_rate and FrameRateChange with a single piece of content. */ BOOST_AUTO_TEST_CASE (best_dcp_frame_rate_test_single) { auto film = new_test_film("best_dcp_frame_rate_test_single"); /* Get any piece of content, it doesn't matter what */ auto content = std::make_shared("test/data/test.mp4"); film->examine_and_add_content (content); BOOST_REQUIRE (!wait_for_jobs()); /* Run some tests with a limited range of allowed rates */ std::list afr; afr.push_back (24); afr.push_back (25); afr.push_back (30); Config::instance()->set_allowed_dcp_frame_rates (afr); content->_video_frame_rate = 60; int best = film->best_video_frame_rate (); auto frc = FrameRateChange(60, best); BOOST_CHECK_EQUAL (best, 30); BOOST_CHECK_EQUAL (frc.skip, true); BOOST_CHECK_EQUAL (frc.repeat, 1); BOOST_CHECK_EQUAL (frc.change_speed, false); BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1); content->_video_frame_rate = 50; best = film->best_video_frame_rate (); frc = FrameRateChange (50, best); BOOST_CHECK_EQUAL (best, 25); BOOST_CHECK_EQUAL (frc.skip, true); BOOST_CHECK_EQUAL (frc.repeat, 1); BOOST_CHECK_EQUAL (frc.change_speed, false); BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1); content->_video_frame_rate = 48; best = film->best_video_frame_rate (); frc = FrameRateChange (48, best); BOOST_CHECK_EQUAL (best, 24); BOOST_CHECK_EQUAL (frc.skip, true); BOOST_CHECK_EQUAL (frc.repeat, 1); BOOST_CHECK_EQUAL (frc.change_speed, false); BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1); content->_video_frame_rate = 30; best = film->best_video_frame_rate (); frc = FrameRateChange (30, best); BOOST_CHECK_EQUAL (best, 30); BOOST_CHECK_EQUAL (frc.skip, false); BOOST_CHECK_EQUAL (frc.repeat, 1); BOOST_CHECK_EQUAL (frc.change_speed, false); BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1); content->_video_frame_rate = 29.97; best = film->best_video_frame_rate (); frc = FrameRateChange (29.97, best); BOOST_CHECK_EQUAL (best, 30); BOOST_CHECK_EQUAL (frc.skip, false); BOOST_CHECK_EQUAL (frc.repeat, 1); BOOST_CHECK_EQUAL (frc.change_speed, true); BOOST_CHECK_CLOSE (frc.speed_up, 30 / 29.97, 0.1); content->_video_frame_rate = 25; best = film->best_video_frame_rate (); frc = FrameRateChange (25, best); BOOST_CHECK_EQUAL (best, 25); BOOST_CHECK_EQUAL (frc.skip, false); BOOST_CHECK_EQUAL (frc.repeat, 1); BOOST_CHECK_EQUAL (frc.change_speed, false); BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1); content->_video_frame_rate = 24; best = film->best_video_frame_rate (); frc = FrameRateChange (24, best); BOOST_CHECK_EQUAL (best, 24); BOOST_CHECK_EQUAL (frc.skip, false); BOOST_CHECK_EQUAL (frc.repeat, 1); BOOST_CHECK_EQUAL (frc.change_speed, false); BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1); content->_video_frame_rate = 14.5; best = film->best_video_frame_rate (); frc = FrameRateChange (14.5, best); BOOST_CHECK_EQUAL (best, 30); BOOST_CHECK_EQUAL (frc.skip, false); BOOST_CHECK_EQUAL (frc.repeat, 2); BOOST_CHECK_EQUAL (frc.change_speed, true); BOOST_CHECK_CLOSE (frc.speed_up, 15 / 14.5, 0.1); content->_video_frame_rate = 12.6; best = film->best_video_frame_rate (); frc = FrameRateChange (12.6, best); BOOST_CHECK_EQUAL (best, 25); BOOST_CHECK_EQUAL (frc.skip, false); BOOST_CHECK_EQUAL (frc.repeat, 2); BOOST_CHECK_EQUAL (frc.change_speed, true); BOOST_CHECK_CLOSE (frc.speed_up, 25 / 25.2, 0.1); content->_video_frame_rate = 12.4; best = film->best_video_frame_rate (); frc = FrameRateChange (12.4, best); BOOST_CHECK_EQUAL (best, 25); BOOST_CHECK_EQUAL (frc.skip, false); BOOST_CHECK_EQUAL (frc.repeat, 2); BOOST_CHECK_EQUAL (frc.change_speed, true); BOOST_CHECK_CLOSE (frc.speed_up, 25 / 24.8, 0.1); content->_video_frame_rate = 12; best = film->best_video_frame_rate (); frc = FrameRateChange (12, best); BOOST_CHECK_EQUAL (best, 24); BOOST_CHECK_EQUAL (frc.skip, false); BOOST_CHECK_EQUAL (frc.repeat, 2); BOOST_CHECK_EQUAL (frc.change_speed, false); BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1); /* Now add some more rates and see if it will use them in preference to skip/repeat. */ afr.push_back (48); afr.push_back (50); afr.push_back (60); Config::instance()->set_allowed_dcp_frame_rates (afr); content->_video_frame_rate = 60; best = film->playlist()->best_video_frame_rate (); frc = FrameRateChange (60, best); BOOST_CHECK_EQUAL (best, 60); BOOST_CHECK_EQUAL (frc.skip, false); BOOST_CHECK_EQUAL (frc.repeat, 1); BOOST_CHECK_EQUAL (frc.change_speed, false); BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1); content->_video_frame_rate = 50; best = film->playlist()->best_video_frame_rate (); frc = FrameRateChange (50, best); BOOST_CHECK_EQUAL (best, 50); BOOST_CHECK_EQUAL (frc.skip, false); BOOST_CHECK_EQUAL (frc.repeat, 1); BOOST_CHECK_EQUAL (frc.change_speed, false); BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1); content->_video_frame_rate = 48; best = film->playlist()->best_video_frame_rate (); frc = FrameRateChange (48, best); BOOST_CHECK_EQUAL (best, 48); BOOST_CHECK_EQUAL (frc.skip, false); BOOST_CHECK_EQUAL (frc.repeat, 1); BOOST_CHECK_EQUAL (frc.change_speed, false); BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1); /* Check some out-there conversions (not the best) */ frc = FrameRateChange (14.99, 24); BOOST_CHECK_EQUAL (frc.skip, false); BOOST_CHECK_EQUAL (frc.repeat, 2); BOOST_CHECK_EQUAL (frc.change_speed, true); BOOST_CHECK_CLOSE (frc.speed_up, 24 / (2 * 14.99), 0.1); /* Check some conversions with limited DCP targets */ afr.clear (); afr.push_back (24); Config::instance()->set_allowed_dcp_frame_rates (afr); content->_video_frame_rate = 25; best = film->best_video_frame_rate (); frc = FrameRateChange (25, best); BOOST_CHECK_EQUAL (best, 24); BOOST_CHECK_EQUAL (frc.skip, false); BOOST_CHECK_EQUAL (frc.repeat, 1); BOOST_CHECK_EQUAL (frc.change_speed, true); BOOST_CHECK_CLOSE (frc.speed_up, 24.0 / 25, 0.1); } /* Test Playlist::best_dcp_frame_rate and FrameRateChange with two pieces of content. */ BOOST_AUTO_TEST_CASE (best_dcp_frame_rate_test_double) { auto film = new_test_film("best_dcp_frame_rate_test_double"); /* Get any old content, it doesn't matter what */ auto A = std::make_shared("test/data/test.mp4"); film->examine_and_add_content (A); auto B = std::make_shared("test/data/test.mp4"); film->examine_and_add_content (B); BOOST_REQUIRE (!wait_for_jobs()); /* Run some tests with a limited range of allowed rates */ std::list afr; afr.push_back (24); afr.push_back (25); afr.push_back (30); Config::instance()->set_allowed_dcp_frame_rates (afr); A->_video_frame_rate = 30; B->_video_frame_rate = 24; BOOST_CHECK_EQUAL (film->best_video_frame_rate(), 25); A->_video_frame_rate = 24; B->_video_frame_rate = 24; BOOST_CHECK_EQUAL (film->best_video_frame_rate(), 24); A->_video_frame_rate = 24; B->_video_frame_rate = 48; BOOST_CHECK_EQUAL (film->best_video_frame_rate(), 24); } BOOST_AUTO_TEST_CASE (audio_sampling_rate_test) { auto film = new_test_film("audio_sampling_rate_test"); /* Get any piece of content, it doesn't matter what */ auto content = std::make_shared("test/data/test.mp4"); film->examine_and_add_content (content); BOOST_REQUIRE (!wait_for_jobs()); std::list afr; afr.push_back (24); afr.push_back (25); afr.push_back (30); Config::instance()->set_allowed_dcp_frame_rates (afr); auto stream = std::make_shared("foo", 0, 0, 0, 0, 0); content->audio.reset (new AudioContent (content.get())); content->audio->add_stream (stream); content->_video_frame_rate = 24; film->set_video_frame_rate (24); stream->_frame_rate = 48000; BOOST_CHECK_EQUAL (content->audio->resampled_frame_rate(film), 48000); stream->_frame_rate = 44100; BOOST_CHECK_EQUAL (content->audio->resampled_frame_rate(film), 48000); stream->_frame_rate = 80000; BOOST_CHECK_EQUAL (content->audio->resampled_frame_rate(film), 48000); content->_video_frame_rate = 23.976; film->set_video_frame_rate (24); stream->_frame_rate = 48000; BOOST_CHECK_EQUAL (content->audio->resampled_frame_rate(film), 47952); content->_video_frame_rate = 29.97; film->set_video_frame_rate (30); BOOST_CHECK_EQUAL (film->video_frame_rate (), 30); stream->_frame_rate = 48000; BOOST_CHECK_EQUAL (content->audio->resampled_frame_rate(film), 47952); content->_video_frame_rate = 25; film->set_video_frame_rate (24); stream->_frame_rate = 48000; BOOST_CHECK_EQUAL (content->audio->resampled_frame_rate(film), 50000); content->_video_frame_rate = 25; film->set_video_frame_rate (24); stream->_frame_rate = 44100; BOOST_CHECK_EQUAL (content->audio->resampled_frame_rate(film), 50000); /* Check some out-there conversions (not the best) */ content->_video_frame_rate = 14.99; film->set_video_frame_rate (25); stream->_frame_rate = 16000; /* The FrameRateChange within resampled_frame_rate should choose to double-up the 14.99 fps video to 30 and then run it slow at 25. */ BOOST_CHECK_EQUAL (content->audio->resampled_frame_rate(film), lrint (48000 * 2 * 14.99 / 25)); }