test/dcp_decoder_test.cc

   1 /*
   2     Copyright (C) 2019-2021 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 /** @file  test/dcp_decoder_test.cc
  23  *  @brief Test DCPDecoder class.
  24  *  @ingroup selfcontained
  25  */
  26
  27
  28 #include "lib/film.h"
  29 #include "lib/dcp_content.h"
  30 #include "lib/dcp_decoder.h"
  31 #include "lib/content_factory.h"
  32 #include "lib/player.h"
  33 #include "lib/examine_content_job.h"
  34 #include "lib/job_manager.h"
  35 #include "lib/config.h"
  36 #include "test.h"
  37 #include <dcp/dcp.h>
  38 #include <boost/test/unit_test.hpp>
  39 #include <iostream>
  40
  41
  42 using std::list;
  43 using std::string;
  44 using std::vector;
  45 using std::make_shared;
  46 using std::shared_ptr;
  47
  48
  49 /* Check that DCPDecoder reuses old data when it should */
  50 BOOST_AUTO_TEST_CASE (check_reuse_old_data_test)
  51 {
  52         /* Make some DCPs */
  53
  54         auto ov = new_test_film2 ("check_reuse_old_data_ov", {content_factory("test/data/flat_red.png").front()});
  55         make_and_verify_dcp (ov);
  56
  57         auto ov_content = make_shared<DCPContent>(ov->dir(ov->dcp_name(false)));
  58         auto vf = new_test_film2 ("check_reuse_old_data_vf", {ov_content, content_factory("test/data/L.wav").front()});
  59         ov_content->set_reference_video (true);
  60         make_and_verify_dcp (vf, {dcp::VerificationNote::Code::EXTERNAL_ASSET});
  61
  62         auto encrypted = new_test_film2 ("check_reuse_old_data_decrypted");
  63         encrypted->examine_and_add_content (content_factory("test/data/flat_red.png").front());
  64         BOOST_REQUIRE (!wait_for_jobs());
  65         encrypted->set_encrypted (true);
  66         make_and_verify_dcp (encrypted);
  67
  68         dcp::DCP encrypted_dcp (encrypted->dir(encrypted->dcp_name()));
  69         encrypted_dcp.read ();
  70
  71         auto kdm = encrypted->make_kdm (
  72                 Config::instance()->decryption_chain()->leaf(),
  73                 vector<string>(),
  74                 encrypted_dcp.cpls().front()->file().get(),
  75                 dcp::LocalTime ("2030-07-21T00:00:00+00:00"),
  76                 dcp::LocalTime ("2031-07-21T00:00:00+00:00"),
  77                 dcp::Formulation::MODIFIED_TRANSITIONAL_1,
  78                 true, 0
  79                 );
  80
  81
  82         /* Add just the OV to a new project, move it around a bit and check that
  83            the _reels get reused.
  84         */
  85         auto test = new_test_film2 ("check_reuse_old_data_test1");
  86         ov_content = make_shared<DCPContent>(ov->dir(ov->dcp_name(false)));
  87         test->examine_and_add_content (ov_content);
  88         BOOST_REQUIRE (!wait_for_jobs());
  89         auto player = make_shared<Player>(test);
  90
  91         auto decoder = std::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
  92         BOOST_REQUIRE (decoder);
  93         auto reels = decoder->reels();
  94
  95         ov_content->set_position (test, dcpomatic::DCPTime(96000));
  96         decoder = std::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
  97         BOOST_REQUIRE (decoder);
  98         BOOST_REQUIRE (reels == decoder->reels());
  99
 100         /* Add the VF to a new project, then add the OV and check that the
 101            _reels did not get reused.
 102         */
 103         test = new_test_film2 ("check_reuse_old_data_test2");
 104         auto vf_content = make_shared<DCPContent>(vf->dir(vf->dcp_name(false)));
 105         test->examine_and_add_content (vf_content);
 106         BOOST_REQUIRE (!wait_for_jobs());
 107         player.reset (new Player(test));
 108
 109         decoder = std::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 110         BOOST_REQUIRE (decoder);
 111         reels = decoder->reels();
 112
 113         vf_content->add_ov (ov->dir(ov->dcp_name(false)));
 114         JobManager::instance()->add (make_shared<ExamineContentJob>(test, vf_content));
 115         BOOST_REQUIRE (!wait_for_jobs());
 116         decoder = std::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 117         BOOST_REQUIRE (decoder);
 118         BOOST_REQUIRE (reels != decoder->reels());
 119
 120         /* Add a KDM to an encrypted DCP and check that the _reels did not get reused */
 121         test = new_test_film2 ("check_reuse_old_data_test3");
 122         auto encrypted_content = make_shared<DCPContent>(encrypted->dir(encrypted->dcp_name(false)));
 123         test->examine_and_add_content (encrypted_content);
 124         BOOST_REQUIRE (!wait_for_jobs());
 125         player = make_shared<Player>(test);
 126
 127         decoder = std::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 128         BOOST_REQUIRE (decoder);
 129         reels = decoder->reels();
 130
 131         encrypted_content->add_kdm (kdm);
 132         JobManager::instance()->add (make_shared<ExamineContentJob>(test, encrypted_content));
 133         BOOST_REQUIRE (!wait_for_jobs());
 134         decoder = std::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 135         BOOST_REQUIRE (decoder);
 136         BOOST_REQUIRE (reels != decoder->reels());
 137 }