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/audio_analysis_test.cc
21 * @brief Check audio analysis code.
24 #include <boost/test/unit_test.hpp>
25 #include "lib/audio_analysis.h"
27 #include "lib/sndfile_content.h"
28 #include "lib/dcp_content_type.h"
29 #include "lib/ffmpeg_content.h"
30 #include "lib/ratio.h"
33 using boost::shared_ptr;
38 return (float (rand ()) / RAND_MAX) * 2 - 1;
41 BOOST_AUTO_TEST_CASE (audio_analysis_serialisation_test)
43 int const channels = 3;
44 int const points = 4096;
49 for (int i = 0; i < channels; ++i) {
50 for (int j = 0; j < points; ++j) {
52 p[AudioPoint::PEAK] = random_float ();
53 p[AudioPoint::RMS] = random_float ();
58 float const peak = random_float ();
59 DCPTime const peak_time = DCPTime (rand ());
60 a.set_peak (peak, peak_time);
62 a.write ("build/test/audio_analysis_serialisation_test");
66 AudioAnalysis b ("build/test/audio_analysis_serialisation_test");
67 for (int i = 0; i < channels; ++i) {
68 BOOST_CHECK_EQUAL (b.points(i), points);
69 for (int j = 0; j < points; ++j) {
70 AudioPoint p = b.get_point (i, j);
71 BOOST_CHECK_CLOSE (p[AudioPoint::PEAK], random_float (), 1);
72 BOOST_CHECK_CLOSE (p[AudioPoint::RMS], random_float (), 1);
76 BOOST_CHECK (b.peak ());
77 BOOST_CHECK_CLOSE (b.peak().get(), peak, 1);
78 BOOST_CHECK (b.peak_time ());
79 BOOST_CHECK_EQUAL (b.peak_time().get(), peak_time);
88 BOOST_AUTO_TEST_CASE (audio_analysis_test)
90 shared_ptr<Film> film = new_test_film ("audio_analysis_test");
91 film->set_dcp_content_type (DCPContentType::from_isdcf_name ("FTR"));
92 film->set_container (Ratio::from_id ("185"));
93 film->set_name ("audio_analysis_test");
94 boost::filesystem::path p = private_data / "betty_L.wav";
96 shared_ptr<SndfileContent> c (new SndfileContent (film, p));
97 film->examine_and_add_content (c);
100 c->analyse_audio (boost::bind (&finished));
104 /* Check that audio analysis works (i.e. runs without error) with a -ve delay */
105 BOOST_AUTO_TEST_CASE (audio_analysis_negative_delay_test)
107 shared_ptr<Film> film = new_test_film ("audio_analysis_negative_delay_test");
108 film->set_name ("audio_analysis_negative_delay_test");
109 shared_ptr<AudioContent> c (new FFmpegContent (film, private_data / "boon_telly.mkv"));
110 c->set_audio_delay (-250);
111 film->examine_and_add_content (c);
114 c->analyse_audio (boost::bind (&finished));