2 Copyright (C) 2020 Carl Hetherington <cth@carlh.net>
4 This file is part of libdcp.
6 libdcp 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 libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>.
19 In addition, as a special exception, the copyright holders give
20 permission to link the code of portions of this program with the
21 OpenSSL library under certain conditions as described in each
22 individual source file, and distribute linked combinations
25 You must obey the GNU General Public License in all respects
26 for all of the code used other than OpenSSL. If you modify
27 file(s) with this exception, you may extend this exception to your
28 version of the file(s), but you are not obligated to do so. If you
29 do not wish to do so, delete this exception statement from your
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31 files in the program, then also delete it here.
35 #include "compose.hpp"
38 #include "reel_sound_asset.h"
39 #include "sound_asset.h"
40 #include "sound_asset_writer.h"
42 #include <libcxml/cxml.h>
43 #include <libxml++/libxml++.h>
44 #include <boost/test/unit_test.hpp>
50 using std::shared_ptr;
53 /** Check that when we read a MXF and write its MCA metadata to a CPL we get the same answer
54 * as the original MXF for that CPL (for a couple of different MXFs).
56 BOOST_AUTO_TEST_CASE (parse_mca_descriptors_from_mxf_test)
58 for (int i = 1; i < 3; ++i) {
59 shared_ptr<dcp::SoundAsset> sound_asset(new dcp::SoundAsset(private_test / "data" / dcp::String::compose("51_sound_with_mca_%1.mxf", i)));
60 shared_ptr<dcp::ReelSoundAsset> reel_sound_asset(new dcp::ReelSoundAsset(sound_asset, 0));
61 shared_ptr<dcp::Reel> reel(new dcp::Reel());
62 reel->add (black_picture_asset(dcp::String::compose("build/test/parse_mca_descriptors_from_mxf_test%1", i), 24));
63 reel->add (reel_sound_asset);
65 dcp::CPL cpl("", dcp::FEATURE);
67 cpl.set_main_sound_configuration("51/L,R,C,LFE,Ls,Rs");
68 cpl.set_main_sound_sample_rate(48000);
69 cpl.set_main_picture_stored_area(dcp::Size(1998, 1080));
70 cpl.set_main_picture_active_area(dcp::Size(1998, 1080));
71 cpl.write_xml (dcp::String::compose("build/test/parse_mca_descriptors_from_mxf_test%1/cpl.xml", i), dcp::SMPTE, shared_ptr<dcp::CertificateChain>());
73 cxml::Document ref("CompositionPlaylist", private_test / dcp::String::compose("51_sound_with_mca_%1.cpl", i));
74 cxml::Document check("CompositionPlaylist", dcp::String::compose("build/test/parse_mca_descriptors_from_mxf_test%1/cpl.xml", i));
78 dynamic_cast<xmlpp::Element*>(
79 ref.node_child("ReelList")->node_children("Reel").front()->node_child("AssetList")->node_child("CompositionMetadataAsset")->node_child("MCASubDescriptors")->node()
81 dynamic_cast<xmlpp::Element*>(
82 check.node_child("ReelList")->node_children("Reel").front()->node_child("AssetList")->node_child("CompositionMetadataAsset")->node_child("MCASubDescriptors")->node()
91 /** Reproduce the MCA tags from one of the example files using libdcp */
92 BOOST_AUTO_TEST_CASE (write_mca_descriptors_to_mxf_test)
94 shared_ptr<dcp::SoundAsset> sound_asset(new dcp::SoundAsset(dcp::Fraction(24, 1), 48000, 6, dcp::LanguageTag("en-US"), dcp::SMPTE));
95 vector<dcp::Channel> channels;
96 channels.push_back (dcp::LEFT);
97 channels.push_back (dcp::RIGHT);
98 channels.push_back (dcp::CENTRE);
99 channels.push_back (dcp::LFE);
100 channels.push_back (dcp::LS);
101 channels.push_back (dcp::RS);
102 shared_ptr<dcp::SoundAssetWriter> writer = sound_asset->start_write("build/test/write_mca_descriptors_to_mxf_test.mxf", channels);
105 for (int i = 0; i < 6; ++i) {
106 samples[i] = new float[2000];
107 memset (samples[i], 0, 2000 * sizeof(float));
109 for (int i = 0; i < 24; ++i) {
110 writer->write(samples, 2000);
112 for (int i = 0; i < 6; ++i) {
118 /* Make a CPL as a roundabout way to read the metadata we just wrote to the MXF */
120 shared_ptr<dcp::ReelSoundAsset> reel_sound_asset(new dcp::ReelSoundAsset(sound_asset, 0));
121 shared_ptr<dcp::Reel> reel(new dcp::Reel());
122 reel->add (black_picture_asset("build/test/write_mca_descriptors_to_mxf_test", 24));
123 reel->add (reel_sound_asset);
125 dcp::CPL cpl("", dcp::FEATURE);
127 cpl.set_main_sound_configuration("51/L,R,C,LFE,Ls,Rs");
128 cpl.set_main_sound_sample_rate(48000);
129 cpl.set_main_picture_stored_area(dcp::Size(1998, 1080));
130 cpl.set_main_picture_active_area(dcp::Size(1998, 1080));
131 cpl.write_xml ("build/test/write_mca_descriptors_to_mxf_test/cpl.xml", dcp::SMPTE, shared_ptr<dcp::CertificateChain>());
133 cxml::Document ref("CompositionPlaylist", private_test / "51_sound_with_mca_1.cpl");
134 cxml::Document check("CompositionPlaylist", "build/test/write_mca_descriptors_to_mxf_test/cpl.xml");
137 ignore.push_back ("InstanceID");
138 ignore.push_back ("MCALinkID");
139 ignore.push_back ("SoundfieldGroupLinkID");
142 dynamic_cast<xmlpp::Element*>(
143 ref.node_child("ReelList")->node_children("Reel").front()->node_child("AssetList")->node_child("CompositionMetadataAsset")->node_child("MCASubDescriptors")->node()
145 dynamic_cast<xmlpp::Element*>(
146 check.node_child("ReelList")->node_children("Reel").front()->node_child("AssetList")->node_child("CompositionMetadataAsset")->node_child("MCASubDescriptors")->node()