2 Copyright (C) 2020-2021 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
30 version. If you delete this exception statement from all source
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"
43 #include <libcxml/cxml.h>
44 LIBDCP_DISABLE_WARNINGS
45 #include <libxml++/libxml++.h>
46 LIBDCP_ENABLE_WARNINGS
47 #include <boost/test/unit_test.hpp>
51 using std::make_shared;
52 using std::shared_ptr;
57 /** Check that when we read a MXF and write its MCA metadata to a CPL we get the same answer
58 * as the original MXF for that CPL (for a couple of different MXFs).
60 BOOST_AUTO_TEST_CASE (parse_mca_descriptors_from_mxf_test)
62 for (int i = 1; i < 3; ++i) {
63 auto sound_asset = make_shared<dcp::SoundAsset>(private_test / "data" / dcp::String::compose("51_sound_with_mca_%1.mxf", i));
64 auto reel_sound_asset = make_shared<dcp::ReelSoundAsset>(sound_asset, 0);
65 auto reel = make_shared<dcp::Reel>();
66 reel->add (black_picture_asset(dcp::String::compose("build/test/parse_mca_descriptors_from_mxf_test%1", i), 24));
67 reel->add (reel_sound_asset);
69 dcp::CPL cpl("", dcp::ContentKind::FEATURE, dcp::Standard::SMPTE);
71 cpl.set_main_sound_configuration("51/L,R,C,LFE,Ls,Rs");
72 cpl.set_main_sound_sample_rate(48000);
73 cpl.set_main_picture_stored_area(dcp::Size(1998, 1080));
74 cpl.set_main_picture_active_area(dcp::Size(1998, 1080));
75 cpl.write_xml (dcp::String::compose("build/test/parse_mca_descriptors_from_mxf_test%1/cpl.xml", i), shared_ptr<dcp::CertificateChain>());
77 cxml::Document ref("CompositionPlaylist", private_test / dcp::String::compose("51_sound_with_mca_%1.cpl", i));
78 cxml::Document check("CompositionPlaylist", dcp::String::compose("build/test/parse_mca_descriptors_from_mxf_test%1/cpl.xml", i));
80 vector<string> ignore;
82 dynamic_cast<xmlpp::Element*>(
83 ref.node_child("ReelList")->node_children("Reel").front()->node_child("AssetList")->node_child("CompositionMetadataAsset")->node_child("MCASubDescriptors")->node()
85 dynamic_cast<xmlpp::Element*>(
86 check.node_child("ReelList")->node_children("Reel").front()->node_child("AssetList")->node_child("CompositionMetadataAsset")->node_child("MCASubDescriptors")->node()
95 /** Reproduce the MCA tags from one of the example files using libdcp */
96 BOOST_AUTO_TEST_CASE (write_mca_descriptors_to_mxf_test)
98 auto sound_asset = make_shared<dcp::SoundAsset>(dcp::Fraction(24, 1), 48000, 6, dcp::LanguageTag("en-US"), dcp::Standard::SMPTE);
99 auto writer = sound_asset->start_write("build/test/write_mca_descriptors_to_mxf_test.mxf");
102 for (int i = 0; i < 6; ++i) {
103 samples[i] = new float[2000];
104 memset (samples[i], 0, 2000 * sizeof(float));
106 for (int i = 0; i < 24; ++i) {
107 writer->write(samples, 2000);
109 for (int i = 0; i < 6; ++i) {
115 /* Make a CPL as a roundabout way to read the metadata we just wrote to the MXF */
117 auto reel_sound_asset = make_shared<dcp::ReelSoundAsset>(sound_asset, 0);
118 auto reel = make_shared<dcp::Reel>();
119 reel->add (black_picture_asset("build/test/write_mca_descriptors_to_mxf_test", 24));
120 reel->add (reel_sound_asset);
122 dcp::CPL cpl("", dcp::ContentKind::FEATURE, dcp::Standard::SMPTE);
124 cpl.set_main_sound_configuration("51/L,R,C,LFE,Ls,Rs");
125 cpl.set_main_sound_sample_rate(48000);
126 cpl.set_main_picture_stored_area(dcp::Size(1998, 1080));
127 cpl.set_main_picture_active_area(dcp::Size(1998, 1080));
128 cpl.write_xml ("build/test/write_mca_descriptors_to_mxf_test/cpl.xml", shared_ptr<dcp::CertificateChain>());
130 cxml::Document ref("CompositionPlaylist", private_test / "51_sound_with_mca_1.cpl");
131 cxml::Document check("CompositionPlaylist", "build/test/write_mca_descriptors_to_mxf_test/cpl.xml");
134 dynamic_cast<xmlpp::Element*>(
135 ref.node_child("ReelList")->node_children("Reel")[0]->node_child("AssetList")->node_child("CompositionMetadataAsset")->node_child("MCASubDescriptors")->node()
137 dynamic_cast<xmlpp::Element*>(
138 check.node_child("ReelList")->node_children("Reel")[0]->node_child("AssetList")->node_child("CompositionMetadataAsset")->node_child("MCASubDescriptors")->node()
140 { "InstanceID", "MCALinkID", "SoundfieldGroupLinkID" },