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