2 Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 /** @file test/ffmpeg_audio_test.cc
22 * @brief A simple test of reading audio from an FFmpeg file.
25 #include "lib/ffmpeg_content.h"
27 #include "lib/dcp_content_type.h"
28 #include "lib/video_content.h"
29 #include "lib/ratio.h"
30 #include "lib/ffmpeg_content.h"
34 #include <dcp/sound_asset.h>
35 #include <dcp/sound_frame.h>
36 #include <dcp/reel_sound_asset.h>
37 #include <dcp/sound_asset_reader.h>
39 #include <boost/test/unit_test.hpp>
40 #include <boost/make_shared.hpp>
43 using boost::shared_ptr;
44 using boost::make_shared;
46 BOOST_AUTO_TEST_CASE (ffmpeg_audio_test)
48 shared_ptr<Film> film = new_test_film ("ffmpeg_audio_test");
49 film->set_name ("ffmpeg_audio_test");
50 shared_ptr<FFmpegContent> c = make_shared<FFmpegContent> (film, "test/data/staircase.mov");
51 film->examine_and_add_content (c);
55 c->video->set_scale (VideoContentScale (Ratio::from_id ("185")));
57 film->set_container (Ratio::from_id ("185"));
58 film->set_audio_channels (6);
59 film->set_dcp_content_type (DCPContentType::from_pretty_name ("Test"));
61 film->write_metadata ();
65 boost::filesystem::path path = "build/test";
66 path /= "ffmpeg_audio_test";
67 path /= film->dcp_name ();
68 dcp::DCP check (path.string ());
71 shared_ptr<const dcp::ReelSoundAsset> sound_asset = check.cpls().front()->reels().front()->main_sound ();
72 BOOST_CHECK (sound_asset);
73 BOOST_CHECK_EQUAL (sound_asset->asset()->channels (), 6);
75 /* Sample index in the DCP */
77 /* DCP sound asset frame */
80 while (n < sound_asset->asset()->intrinsic_duration()) {
81 shared_ptr<const dcp::SoundFrame> sound_frame = sound_asset->asset()->start_read()->get_frame (frame++);
82 uint8_t const * d = sound_frame->data ();
84 for (int i = 0; i < sound_frame->size(); i += (3 * sound_asset->asset()->channels())) {
86 if (sound_asset->asset()->channels() > 0) {
87 /* L should be silent */
88 int const sample = d[i + 0] | (d[i + 1] << 8);
89 BOOST_CHECK_EQUAL (sample, 0);
92 if (sound_asset->asset()->channels() > 1) {
93 /* R should be silent */
94 int const sample = d[i + 2] | (d[i + 3] << 8);
95 BOOST_CHECK_EQUAL (sample, 0);
98 if (sound_asset->asset()->channels() > 2) {
99 /* Mono input so it will appear on centre */
100 int const sample = d[i + 7] | (d[i + 8] << 8);
101 BOOST_CHECK_EQUAL (sample, n);
104 if (sound_asset->asset()->channels() > 3) {
105 /* Lfe should be silent */
106 int const sample = d[i + 9] | (d[i + 10] << 8);
107 BOOST_CHECK_EQUAL (sample, 0);
110 if (sound_asset->asset()->channels() > 4) {
111 /* Ls should be silent */
112 int const sample = d[i + 11] | (d[i + 12] << 8);
113 BOOST_CHECK_EQUAL (sample, 0);
117 if (sound_asset->asset()->channels() > 5) {
118 /* Rs should be silent */
119 int const sample = d[i + 13] | (d[i + 14] << 8);
120 BOOST_CHECK_EQUAL (sample, 0);