test/atmos_test.cc

   1 /*
   2     Copyright (C) 2020-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   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.
  10
  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.
  15
  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/>.
  18
  19 */
  20
  21
  22 #include "lib/config.h"
  23 #include "lib/content.h"
  24 #include "lib/content_factory.h"
  25 #include "lib/dcp_content.h"
  26 #include "lib/film.h"
  27 #include "test.h"
  28 #include <dcp/atmos_asset.h>
  29 #include <dcp/cpl.h>
  30 #include <dcp/dcp.h>
  31 #include <dcp/reel.h>
  32 #include <dcp/reel_atmos_asset.h>
  33 #include <boost/test/unit_test.hpp>
  34
  35
  36 using std::make_shared;
  37 using std::shared_ptr;
  38 using std::shared_ptr;
  39 using std::string;
  40 using std::vector;
  41 using boost::optional;
  42
  43
  44 BOOST_AUTO_TEST_CASE (atmos_passthrough_test)
  45 {
  46         Cleanup cl;
  47
  48         auto film = new_test_film2 (
  49                 "atmos_passthrough_test",
  50                 content_factory(TestPaths::private_data() / "atmos_asset.mxf"),
  51                 &cl
  52                 );
  53
  54         make_and_verify_dcp (film, {dcp::VerificationNote::Code::MISSING_CPL_METADATA});
  55
  56         auto ref = TestPaths::private_data() / "atmos_asset.mxf";
  57         BOOST_REQUIRE (mxf_atmos_files_same(ref, dcp_file(film, "atmos"), true));
  58
  59         cl.run ();
  60 }
  61
  62
  63 BOOST_AUTO_TEST_CASE (atmos_encrypted_passthrough_test)
  64 {
  65         Cleanup cl;
  66
  67         auto ref = TestPaths::private_data() / "atmos_asset.mxf";
  68         auto content = content_factory(TestPaths::private_data() / "atmos_asset.mxf");
  69         auto film = new_test_film2 ("atmos_encrypted_passthrough_test", content, &cl);
  70
  71         film->set_encrypted (true);
  72         film->_key = dcp::Key ("4fac12927eb122af1c2781aa91f3a4cc");
  73         make_and_verify_dcp (film, { dcp::VerificationNote::Code::MISSING_CPL_METADATA });
  74
  75         BOOST_REQUIRE (!mxf_atmos_files_same(ref, dcp_file(film, "atmos")));
  76
  77         auto signer = Config::instance()->signer_chain();
  78         BOOST_REQUIRE(signer->valid());
  79
  80         auto const decrypted_kdm = film->make_kdm(dcp_file(film, "cpl"), dcp::LocalTime(), dcp::LocalTime());
  81         auto const kdm = decrypted_kdm.encrypt(signer, Config::instance()->decryption_chain()->leaf(), {}, dcp::Formulation::MODIFIED_TRANSITIONAL_1, false, {});
  82
  83         auto content2 = make_shared<DCPContent>(film->dir(film->dcp_name()));
  84         content2->add_kdm (kdm);
  85         auto film2 = new_test_film2 ("atmos_encrypted_passthrough_test2", {content2}, &cl);
  86         make_and_verify_dcp (film2, { dcp::VerificationNote::Code::MISSING_CPL_METADATA });
  87
  88         BOOST_CHECK (mxf_atmos_files_same(ref, dcp_file(film2, "atmos"), true));
  89
  90         cl.run ();
  91 }
  92
  93
  94 BOOST_AUTO_TEST_CASE (atmos_trim_test)
  95 {
  96         Cleanup cl;
  97
  98         auto ref = TestPaths::private_data() / "atmos_asset.mxf";
  99         auto content = content_factory(TestPaths::private_data() / "atmos_asset.mxf");
 100         auto film = new_test_film2 ("atmos_trim_test", content, &cl);
 101
 102         content[0]->set_trim_start(film, dcpomatic::ContentTime::from_seconds(1));
 103
 104         /* Just check that the encode runs; I'm not sure how to test the MXF */
 105         make_and_verify_dcp (film, { dcp::VerificationNote::Code::MISSING_CPL_METADATA });
 106 }
 107
 108
 109 BOOST_AUTO_TEST_CASE(atmos_replace_test)
 110 {
 111         auto const frames = 240;
 112
 113         auto check = [](shared_ptr<const Film> film, int data) {
 114                 dcp::DCP dcp(film->dir(film->dcp_name()));
 115                 dcp.read();
 116                 BOOST_REQUIRE_EQUAL(dcp.cpls().size(), 1U);
 117                 BOOST_REQUIRE_EQUAL(dcp.cpls()[0]->reels().size(), 1U);
 118                 BOOST_REQUIRE(dcp.cpls()[0]->reels()[0]->atmos());
 119                 auto asset = dcp.cpls()[0]->reels()[0]->atmos()->asset();
 120                 BOOST_REQUIRE(asset);
 121                 auto reader = asset->start_read();
 122                 for (int i = 0; i < frames; ++i) {
 123                         auto frame = reader->get_frame(i);
 124                         BOOST_REQUIRE(frame);
 125                         for (int j = 0; j < frame->size(); ++j) {
 126                                 BOOST_REQUIRE_EQUAL(frame->data()[j], data);
 127                         }
 128                 }
 129         };
 130
 131         auto atmos_0 = content_factory("test/data/atmos_0.mxf");
 132         auto ov = new_test_film2("atmos_merge_test_ov", atmos_0);
 133         make_and_verify_dcp(ov, { dcp::VerificationNote::Code::MISSING_CPL_METADATA });
 134         // atmos_0.mxf should contain all zeros for its data
 135         check(ov, 0);
 136
 137         auto atmos_1 = content_factory("test/data/atmos_1.mxf");
 138         auto ov_content = std::make_shared<DCPContent>(boost::filesystem::path("build/test/atmos_merge_test_ov") / ov->dcp_name());
 139         auto vf = new_test_film2("atmos_merge_test_vf", { ov_content, atmos_1.front() });
 140         ov_content->set_reference_video(true);
 141         atmos_1.front()->set_position(vf, dcpomatic::DCPTime());
 142         make_and_verify_dcp(vf, { dcp::VerificationNote::Code::MISSING_CPL_METADATA, dcp::VerificationNote::Code::EXTERNAL_ASSET }, false);
 143         // atmos_1.mxf should contain all ones for its data, and it should have replaced atmos_0 in this DCP
 144         check(vf, 1);
 145 }
 146