2 Copyright (C) 2013 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/ffmpeg_audio_test.cc
21 * @brief A simple test of reading audio from an FFmpeg file.
24 #include <boost/test/unit_test.hpp>
25 #include <libdcp/cpl.h>
26 #include <libdcp/dcp.h>
27 #include <libdcp/sound_asset.h>
28 #include <libdcp/sound_frame.h>
29 #include <libdcp/reel.h>
30 #include "lib/sndfile_content.h"
32 #include "lib/dcp_content_type.h"
33 #include "lib/ratio.h"
34 #include "lib/ffmpeg_content.h"
38 using boost::lexical_cast;
39 using boost::shared_ptr;
41 BOOST_AUTO_TEST_CASE (ffmpeg_audio_test)
43 shared_ptr<Film> film = new_test_film ("ffmpeg_audio_test");
44 film->set_name ("ffmpeg_audio_test");
45 shared_ptr<FFmpegContent> c (new FFmpegContent (film, "test/data/staircase.mov"));
46 c->set_ratio (Ratio::from_id ("185"));
47 film->examine_and_add_content (c);
51 film->set_container (Ratio::from_id ("185"));
52 film->set_audio_channels (6);
53 film->set_dcp_content_type (DCPContentType::from_pretty_name ("Test"));
55 film->write_metadata ();
59 boost::filesystem::path path = "build/test";
60 path /= "ffmpeg_audio_test";
61 path /= film->dcp_name ();
62 libdcp::DCP check (path.string ());
65 shared_ptr<const libdcp::SoundAsset> sound_asset = check.cpls().front()->reels().front()->main_sound ();
66 BOOST_CHECK (sound_asset);
67 BOOST_CHECK (sound_asset->channels () == 6);
69 /* Sample index in the DCP */
71 /* DCP sound asset frame */
74 while (n < sound_asset->intrinsic_duration()) {
75 shared_ptr<const libdcp::SoundFrame> sound_frame = sound_asset->get_frame (frame++);
76 uint8_t const * d = sound_frame->data ();
78 for (int i = 0; i < sound_frame->size(); i += (3 * sound_asset->channels())) {
80 if (sound_asset->channels() > 0) {
81 /* L should be silent */
82 int const sample = d[i + 0] | (d[i + 1] << 8);
83 BOOST_CHECK_EQUAL (sample, 0);
86 if (sound_asset->channels() > 1) {
87 /* R should be silent */
88 int const sample = d[i + 2] | (d[i + 3] << 8);
89 BOOST_CHECK_EQUAL (sample, 0);
92 if (sound_asset->channels() > 2) {
93 /* Mono input so it will appear on centre */
94 int const sample = d[i + 7] | (d[i + 8] << 8);
95 BOOST_CHECK_EQUAL (sample, n);
98 if (sound_asset->channels() > 3) {
99 /* Lfe should be silent */
100 int const sample = d[i + 9] | (d[i + 10] << 8);
101 BOOST_CHECK_EQUAL (sample, 0);
104 if (sound_asset->channels() > 4) {
105 /* Ls should be silent */
106 int const sample = d[i + 11] | (d[i + 12] << 8);
107 BOOST_CHECK_EQUAL (sample, 0);
111 if (sound_asset->channels() > 5) {
112 /* Rs should be silent */
113 int const sample = d[i + 13] | (d[i + 14] << 8);
114 BOOST_CHECK_EQUAL (sample, 0);