2 Copyright (C) 2013-2014 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>
27 #include <dcp/sound_mxf.h>
28 #include <dcp/sound_frame.h>
29 #include <dcp/reel_sound_asset.h>
31 #include "lib/sndfile_content.h"
33 #include "lib/dcp_content_type.h"
34 #include "lib/ratio.h"
35 #include "lib/ffmpeg_content.h"
39 using boost::lexical_cast;
40 using boost::shared_ptr;
42 BOOST_AUTO_TEST_CASE (ffmpeg_audio_test)
44 shared_ptr<Film> film = new_test_film ("ffmpeg_audio_test");
45 film->set_name ("ffmpeg_audio_test");
46 shared_ptr<FFmpegContent> c (new FFmpegContent (film, "test/data/staircase.mov"));
47 c->set_scale (VideoContentScale (Ratio::from_id ("185")));
48 film->examine_and_add_content (c);
52 film->set_container (Ratio::from_id ("185"));
53 film->set_audio_channels (6);
54 film->set_dcp_content_type (DCPContentType::from_pretty_name ("Test"));
56 film->write_metadata ();
60 boost::filesystem::path path = "build/test";
61 path /= "ffmpeg_audio_test";
62 path /= film->dcp_name ();
63 dcp::DCP check (path.string ());
66 shared_ptr<const dcp::ReelSoundAsset> sound_asset = check.cpls().front()->reels().front()->main_sound ();
67 BOOST_CHECK (sound_asset);
68 BOOST_CHECK_EQUAL (sound_asset->mxf()->channels (), 6);
70 /* Sample index in the DCP */
72 /* DCP sound asset frame */
75 while (n < sound_asset->mxf()->intrinsic_duration()) {
76 shared_ptr<const dcp::SoundFrame> sound_frame = sound_asset->mxf()->get_frame (frame++);
77 uint8_t const * d = sound_frame->data ();
79 for (int i = 0; i < sound_frame->size(); i += (3 * sound_asset->mxf()->channels())) {
81 if (sound_asset->mxf()->channels() > 0) {
82 /* L should be silent */
83 int const sample = d[i + 0] | (d[i + 1] << 8);
84 BOOST_CHECK_EQUAL (sample, 0);
87 if (sound_asset->mxf()->channels() > 1) {
88 /* R should be silent */
89 int const sample = d[i + 2] | (d[i + 3] << 8);
90 BOOST_CHECK_EQUAL (sample, 0);
93 if (sound_asset->mxf()->channels() > 2) {
94 /* Mono input so it will appear on centre */
95 int const sample = d[i + 7] | (d[i + 8] << 8);
96 BOOST_CHECK_EQUAL (sample, n);
99 if (sound_asset->mxf()->channels() > 3) {
100 /* Lfe should be silent */
101 int const sample = d[i + 9] | (d[i + 10] << 8);
102 BOOST_CHECK_EQUAL (sample, 0);
105 if (sound_asset->mxf()->channels() > 4) {
106 /* Ls should be silent */
107 int const sample = d[i + 11] | (d[i + 12] << 8);
108 BOOST_CHECK_EQUAL (sample, 0);
112 if (sound_asset->mxf()->channels() > 5) {
113 /* Rs should be silent */
114 int const sample = d[i + 13] | (d[i + 14] << 8);
115 BOOST_CHECK_EQUAL (sample, 0);