2 Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file test/frame_rate_test.cc
21 * @brief Tests for FrameRateChange and the computation of the best
22 * frame rate for the DCP.
25 #include <boost/test/unit_test.hpp>
27 #include "lib/config.h"
28 #include "lib/ffmpeg_content.h"
29 #include "lib/playlist.h"
30 #include "lib/ffmpeg_audio_stream.h"
31 #include "lib/frame_rate_change.h"
32 #include "lib/video_content.h"
35 using boost::shared_ptr;
37 /* Test Playlist::best_dcp_frame_rate and FrameRateChange
38 with a single piece of content.
40 BOOST_AUTO_TEST_CASE (best_dcp_frame_rate_test_single)
42 shared_ptr<Film> film = new_test_film ("best_dcp_frame_rate_test_single");
43 /* Get any piece of content, it doesn't matter what */
44 shared_ptr<FFmpegContent> content (new FFmpegContent (film, "test/data/test.mp4"));
45 film->add_content (content);
48 /* Run some tests with a limited range of allowed rates */
54 Config::instance()->set_allowed_dcp_frame_rates (afr);
56 content->video->_video_frame_rate = 60;
57 int best = film->best_video_frame_rate ();
58 FrameRateChange frc = FrameRateChange (60, best);
59 BOOST_CHECK_EQUAL (best, 30);
60 BOOST_CHECK_EQUAL (frc.skip, true);
61 BOOST_CHECK_EQUAL (frc.repeat, 1);
62 BOOST_CHECK_EQUAL (frc.change_speed, false);
63 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
65 content->video->_video_frame_rate = 50;
66 best = film->best_video_frame_rate ();
67 frc = FrameRateChange (50, best);
68 BOOST_CHECK_EQUAL (best, 25);
69 BOOST_CHECK_EQUAL (frc.skip, true);
70 BOOST_CHECK_EQUAL (frc.repeat, 1);
71 BOOST_CHECK_EQUAL (frc.change_speed, false);
72 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
74 content->video->_video_frame_rate = 48;
75 best = film->best_video_frame_rate ();
76 frc = FrameRateChange (48, best);
77 BOOST_CHECK_EQUAL (best, 24);
78 BOOST_CHECK_EQUAL (frc.skip, true);
79 BOOST_CHECK_EQUAL (frc.repeat, 1);
80 BOOST_CHECK_EQUAL (frc.change_speed, false);
81 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
83 content->video->_video_frame_rate = 30;
84 best = film->best_video_frame_rate ();
85 frc = FrameRateChange (30, best);
86 BOOST_CHECK_EQUAL (best, 30);
87 BOOST_CHECK_EQUAL (frc.skip, false);
88 BOOST_CHECK_EQUAL (frc.repeat, 1);
89 BOOST_CHECK_EQUAL (frc.change_speed, false);
90 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
92 content->video->_video_frame_rate = 29.97;
93 best = film->best_video_frame_rate ();
94 frc = FrameRateChange (29.97, best);
95 BOOST_CHECK_EQUAL (best, 30);
96 BOOST_CHECK_EQUAL (frc.skip, false);
97 BOOST_CHECK_EQUAL (frc.repeat, 1);
98 BOOST_CHECK_EQUAL (frc.change_speed, true);
99 BOOST_CHECK_CLOSE (frc.speed_up, 30 / 29.97, 0.1);
101 content->video->_video_frame_rate = 25;
102 best = film->best_video_frame_rate ();
103 frc = FrameRateChange (25, best);
104 BOOST_CHECK_EQUAL (best, 25);
105 BOOST_CHECK_EQUAL (frc.skip, false);
106 BOOST_CHECK_EQUAL (frc.repeat, 1);
107 BOOST_CHECK_EQUAL (frc.change_speed, false);
108 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
110 content->video->_video_frame_rate = 24;
111 best = film->best_video_frame_rate ();
112 frc = FrameRateChange (24, best);
113 BOOST_CHECK_EQUAL (best, 24);
114 BOOST_CHECK_EQUAL (frc.skip, false);
115 BOOST_CHECK_EQUAL (frc.repeat, 1);
116 BOOST_CHECK_EQUAL (frc.change_speed, false);
117 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
119 content->video->_video_frame_rate = 14.5;
120 best = film->best_video_frame_rate ();
121 frc = FrameRateChange (14.5, best);
122 BOOST_CHECK_EQUAL (best, 30);
123 BOOST_CHECK_EQUAL (frc.skip, false);
124 BOOST_CHECK_EQUAL (frc.repeat, 2);
125 BOOST_CHECK_EQUAL (frc.change_speed, true);
126 BOOST_CHECK_CLOSE (frc.speed_up, 15 / 14.5, 0.1);
128 content->video->_video_frame_rate = 12.6;
129 best = film->best_video_frame_rate ();
130 frc = FrameRateChange (12.6, best);
131 BOOST_CHECK_EQUAL (best, 25);
132 BOOST_CHECK_EQUAL (frc.skip, false);
133 BOOST_CHECK_EQUAL (frc.repeat, 2);
134 BOOST_CHECK_EQUAL (frc.change_speed, true);
135 BOOST_CHECK_CLOSE (frc.speed_up, 25 / 25.2, 0.1);
137 content->video->_video_frame_rate = 12.4;
138 best = film->best_video_frame_rate ();
139 frc = FrameRateChange (12.4, best);
140 BOOST_CHECK_EQUAL (best, 25);
141 BOOST_CHECK_EQUAL (frc.skip, false);
142 BOOST_CHECK_EQUAL (frc.repeat, 2);
143 BOOST_CHECK_EQUAL (frc.change_speed, true);
144 BOOST_CHECK_CLOSE (frc.speed_up, 25 / 24.8, 0.1);
146 content->video->_video_frame_rate = 12;
147 best = film->best_video_frame_rate ();
148 frc = FrameRateChange (12, best);
149 BOOST_CHECK_EQUAL (best, 24);
150 BOOST_CHECK_EQUAL (frc.skip, false);
151 BOOST_CHECK_EQUAL (frc.repeat, 2);
152 BOOST_CHECK_EQUAL (frc.change_speed, false);
153 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
155 /* Now add some more rates and see if it will use them
156 in preference to skip/repeat.
162 Config::instance()->set_allowed_dcp_frame_rates (afr);
164 content->video->_video_frame_rate = 60;
165 best = film->best_video_frame_rate ();
166 frc = FrameRateChange (60, best);
167 BOOST_CHECK_EQUAL (best, 60);
168 BOOST_CHECK_EQUAL (frc.skip, false);
169 BOOST_CHECK_EQUAL (frc.repeat, 1);
170 BOOST_CHECK_EQUAL (frc.change_speed, false);
171 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
173 content->video->_video_frame_rate = 50;
174 best = film->best_video_frame_rate ();
175 frc = FrameRateChange (50, best);
176 BOOST_CHECK_EQUAL (best, 50);
177 BOOST_CHECK_EQUAL (frc.skip, false);
178 BOOST_CHECK_EQUAL (frc.repeat, 1);
179 BOOST_CHECK_EQUAL (frc.change_speed, false);
180 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
182 content->video->_video_frame_rate = 48;
183 best = film->best_video_frame_rate ();
184 frc = FrameRateChange (48, best);
185 BOOST_CHECK_EQUAL (best, 48);
186 BOOST_CHECK_EQUAL (frc.skip, false);
187 BOOST_CHECK_EQUAL (frc.repeat, 1);
188 BOOST_CHECK_EQUAL (frc.change_speed, false);
189 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
191 /* Check some out-there conversions (not the best) */
193 frc = FrameRateChange (14.99, 24);
194 BOOST_CHECK_EQUAL (frc.skip, false);
195 BOOST_CHECK_EQUAL (frc.repeat, 2);
196 BOOST_CHECK_EQUAL (frc.change_speed, true);
197 BOOST_CHECK_CLOSE (frc.speed_up, 24 / (2 * 14.99), 0.1);
199 /* Check some conversions with limited DCP targets */
203 Config::instance()->set_allowed_dcp_frame_rates (afr);
205 content->video->_video_frame_rate = 25;
206 best = film->best_video_frame_rate ();
207 frc = FrameRateChange (25, best);
208 BOOST_CHECK_EQUAL (best, 24);
209 BOOST_CHECK_EQUAL (frc.skip, false);
210 BOOST_CHECK_EQUAL (frc.repeat, 1);
211 BOOST_CHECK_EQUAL (frc.change_speed, true);
212 BOOST_CHECK_CLOSE (frc.speed_up, 24.0 / 25, 0.1);
215 /* Test Playlist::best_dcp_frame_rate and FrameRateChange
216 with two pieces of content.
218 BOOST_AUTO_TEST_CASE (best_dcp_frame_rate_test_double)
220 shared_ptr<Film> film = new_test_film ("best_dcp_frame_rate_test_double");
221 /* Get any old content, it doesn't matter what */
222 shared_ptr<FFmpegContent> A (new FFmpegContent (film, "test/data/test.mp4"));
223 film->add_content (A);
224 shared_ptr<FFmpegContent> B (new FFmpegContent (film, "test/data/test.mp4"));
225 film->add_content (B);
228 /* Run some tests with a limited range of allowed rates */
234 Config::instance()->set_allowed_dcp_frame_rates (afr);
236 A->video->_video_frame_rate = 30;
237 B->video->_video_frame_rate = 24;
238 BOOST_CHECK_EQUAL (film->best_video_frame_rate(), 25);
240 A->video->_video_frame_rate = 24;
241 B->video->_video_frame_rate = 24;
242 BOOST_CHECK_EQUAL (film->best_video_frame_rate(), 24);
244 A->video->_video_frame_rate = 24;
245 B->video->_video_frame_rate = 48;
246 BOOST_CHECK_EQUAL (film->best_video_frame_rate(), 24);
249 BOOST_AUTO_TEST_CASE (audio_sampling_rate_test)
251 shared_ptr<Film> film = new_test_film ("audio_sampling_rate_test");
252 /* Get any piece of content, it doesn't matter what */
253 shared_ptr<FFmpegContent> content (new FFmpegContent (film, "test/data/test.mp4"));
254 film->examine_and_add_content (content);
261 Config::instance()->set_allowed_dcp_frame_rates (afr);
263 shared_ptr<FFmpegAudioStream> stream (new FFmpegAudioStream ("foo", 0, 0, 0));
264 content->_audio_streams.push_back (stream);
265 content->video->_video_frame_rate = 24;
266 film->set_video_frame_rate (24);
267 stream->_frame_rate = 48000;
268 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 48000);
270 stream->_frame_rate = 44100;
271 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 48000);
273 stream->_frame_rate = 80000;
274 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 96000);
276 content->video->_video_frame_rate = 23.976;
277 film->set_video_frame_rate (24);
278 stream->_frame_rate = 48000;
279 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 47952);
281 content->video->_video_frame_rate = 29.97;
282 film->set_video_frame_rate (30);
283 BOOST_CHECK_EQUAL (film->video_frame_rate (), 30);
284 stream->_frame_rate = 48000;
285 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 47952);
287 content->video->_video_frame_rate = 25;
288 film->set_video_frame_rate (24);
289 stream->_frame_rate = 48000;
290 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 50000);
292 content->video->_video_frame_rate = 25;
293 film->set_video_frame_rate (24);
294 stream->_frame_rate = 44100;
295 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 50000);
297 /* Check some out-there conversions (not the best) */
299 content->video->_video_frame_rate = 14.99;
300 film->set_video_frame_rate (25);
301 stream->_frame_rate = 16000;
302 /* The FrameRateChange within resampled_audio_frame_rate should choose to double-up
303 the 14.99 fps video to 30 and then run it slow at 25.
305 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), lrint (48000 * 2 * 14.99 / 25));