test/dcp_decoder_test.cc

   1 /*
   2     Copyright (C) 2019 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 /** @file  test/dcp_decoder_test.cc
  22  *  @brief Test DCPDecoder class.
  23  *  @ingroup selfcontained
  24  */
  25
  26 #include "lib/film.h"
  27 #include "lib/dcp_content.h"
  28 #include "lib/dcp_decoder.h"
  29 #include "lib/content_factory.h"
  30 #include "lib/player.h"
  31 #include "lib/examine_content_job.h"
  32 #include "lib/job_manager.h"
  33 #include "lib/config.h"
  34 #include "test.h"
  35 #include <dcp/dcp.h>
  36 #include <boost/test/unit_test.hpp>
  37 #include <iostream>
  38
  39 using std::list;
  40 using std::string;
  41 using std::vector;
  42 using std::make_shared;
  43 using std::shared_ptr;
  44
  45 /* Check that DCPDecoder reuses old data when it should */
  46 BOOST_AUTO_TEST_CASE (check_reuse_old_data_test)
  47 {
  48         /* Make some DCPs */
  49
  50         auto ov = new_test_film2 ("check_reuse_old_data_ov");
  51         ov->examine_and_add_content (content_factory("test/data/flat_red.png").front());
  52         BOOST_REQUIRE (!wait_for_jobs());
  53         ov->make_dcp ();
  54         BOOST_REQUIRE (!wait_for_jobs());
  55
  56         auto vf = new_test_film2 ("check_reuse_old_data_vf");
  57         auto ov_content = make_shared<DCPContent>(ov->dir(ov->dcp_name(false)));
  58         vf->examine_and_add_content (ov_content);
  59         vf->examine_and_add_content (content_factory("test/data/L.wav").front());
  60         BOOST_REQUIRE (!wait_for_jobs());
  61         ov_content->set_reference_video (true);
  62         vf->make_dcp ();
  63         BOOST_REQUIRE (!wait_for_jobs());
  64
  65         auto encrypted = new_test_film2 ("check_reuse_old_data_decrypted");
  66         encrypted->examine_and_add_content (content_factory("test/data/flat_red.png").front());
  67         BOOST_REQUIRE (!wait_for_jobs());
  68         encrypted->set_encrypted (true);
  69         encrypted->make_dcp ();
  70         BOOST_REQUIRE (!wait_for_jobs());
  71
  72         dcp::DCP encrypted_dcp (encrypted->dir(encrypted->dcp_name()));
  73         encrypted_dcp.read ();
  74
  75         auto kdm = encrypted->make_kdm (
  76                 Config::instance()->decryption_chain()->leaf(),
  77                 vector<string>(),
  78                 encrypted_dcp.cpls().front()->file().get(),
  79                 dcp::LocalTime ("2030-07-21T00:00:00+00:00"),
  80                 dcp::LocalTime ("2031-07-21T00:00:00+00:00"),
  81                 dcp::Formulation::MODIFIED_TRANSITIONAL_1,
  82                 true, 0
  83                 );
  84
  85
  86         /* Add just the OV to a new project, move it around a bit and check that
  87            the _reels get reused.
  88         */
  89         auto test = new_test_film2 ("check_reuse_old_data_test1");
  90         ov_content = make_shared<DCPContent>(ov->dir(ov->dcp_name(false)));
  91         test->examine_and_add_content (ov_content);
  92         BOOST_REQUIRE (!wait_for_jobs());
  93         auto player = make_shared<Player>(test);
  94
  95         auto decoder = std::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
  96         BOOST_REQUIRE (decoder);
  97         auto reels = decoder->reels();
  98
  99         ov_content->set_position (test, dcpomatic::DCPTime(96000));
 100         decoder = std::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 101         BOOST_REQUIRE (decoder);
 102         BOOST_REQUIRE (reels == decoder->reels());
 103
 104         /* Add the VF to a new project, then add the OV and check that the
 105            _reels did not get reused.
 106         */
 107         test = new_test_film2 ("check_reuse_old_data_test2");
 108         auto vf_content = make_shared<DCPContent>(vf->dir(vf->dcp_name(false)));
 109         test->examine_and_add_content (vf_content);
 110         BOOST_REQUIRE (!wait_for_jobs());
 111         player.reset (new Player(test));
 112
 113         decoder = std::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 114         BOOST_REQUIRE (decoder);
 115         reels = decoder->reels();
 116
 117         vf_content->add_ov (ov->dir(ov->dcp_name(false)));
 118         JobManager::instance()->add (make_shared<ExamineContentJob>(test, vf_content));
 119         BOOST_REQUIRE (!wait_for_jobs());
 120         decoder = std::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 121         BOOST_REQUIRE (decoder);
 122         BOOST_REQUIRE (reels != decoder->reels());
 123
 124         /* Add a KDM to an encrypted DCP and check that the _reels did not get reused */
 125         test = new_test_film2 ("check_reuse_old_data_test3");
 126         auto encrypted_content = make_shared<DCPContent>(encrypted->dir(encrypted->dcp_name(false)));
 127         test->examine_and_add_content (encrypted_content);
 128         BOOST_REQUIRE (!wait_for_jobs());
 129         player = make_shared<Player>(test);
 130
 131         decoder = std::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 132         BOOST_REQUIRE (decoder);
 133         reels = decoder->reels();
 134
 135         encrypted_content->add_kdm (kdm);
 136         JobManager::instance()->add (make_shared<ExamineContentJob>(test, encrypted_content));
 137         BOOST_REQUIRE (!wait_for_jobs());
 138         decoder = std::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 139         BOOST_REQUIRE (decoder);
 140         BOOST_REQUIRE (reels != decoder->reels());
 141 }