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 boost::shared_ptr;
  43
  44 /* Check that DCPDecoder reuses old data when it should */
  45 BOOST_AUTO_TEST_CASE (check_reuse_old_data_test)
  46 {
  47         /* Make some DCPs */
  48
  49         shared_ptr<Film> ov = new_test_film2 ("check_reuse_old_data_ov");
  50         ov->examine_and_add_content (content_factory("test/data/flat_red.png").front());
  51         BOOST_REQUIRE (!wait_for_jobs());
  52         ov->make_dcp ();
  53         BOOST_REQUIRE (!wait_for_jobs());
  54
  55         shared_ptr<Film> vf = new_test_film2 ("check_reuse_old_data_vf");
  56         shared_ptr<DCPContent> ov_content(new DCPContent(ov->dir(ov->dcp_name(false))));
  57         vf->examine_and_add_content (ov_content);
  58         vf->examine_and_add_content (content_factory("test/data/L.wav").front());
  59         BOOST_REQUIRE (!wait_for_jobs());
  60         ov_content->set_reference_video (true);
  61         vf->make_dcp ();
  62         BOOST_REQUIRE (!wait_for_jobs());
  63
  64         shared_ptr<Film> encrypted = new_test_film2 ("check_reuse_old_data_decrypted");
  65         encrypted->examine_and_add_content (content_factory("test/data/flat_red.png").front());
  66         BOOST_REQUIRE (!wait_for_jobs());
  67         encrypted->set_encrypted (true);
  68         encrypted->make_dcp ();
  69         BOOST_REQUIRE (!wait_for_jobs());
  70
  71         dcp::DCP encrypted_dcp (encrypted->dir(encrypted->dcp_name()));
  72         encrypted_dcp.read ();
  73
  74         dcp::EncryptedKDM kdm = encrypted->make_kdm (
  75                 Config::instance()->decryption_chain()->leaf(),
  76                 vector<string>(),
  77                 encrypted_dcp.cpls().front()->file().get(),
  78                 dcp::LocalTime ("2030-07-21T00:00:00+00:00"),
  79                 dcp::LocalTime ("2031-07-21T00:00:00+00:00"),
  80                 dcp::MODIFIED_TRANSITIONAL_1,
  81                 true, 0
  82                 );
  83
  84
  85         /* Add just the OV to a new project, move it around a bit and check that
  86            the _reels get reused.
  87         */
  88         shared_ptr<Film> test = new_test_film2 ("check_reuse_old_data_test1");
  89         ov_content.reset (new DCPContent(ov->dir(ov->dcp_name(false))));
  90         test->examine_and_add_content (ov_content);
  91         BOOST_REQUIRE (!wait_for_jobs());
  92         shared_ptr<Player> player (new Player(test));
  93
  94         shared_ptr<DCPDecoder> decoder = boost::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
  95         BOOST_REQUIRE (decoder);
  96         list<shared_ptr<dcp::Reel> > reels = decoder->reels();
  97
  98         ov_content->set_position (test, dcpomatic::DCPTime(96000));
  99         decoder = boost::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 100         BOOST_REQUIRE (decoder);
 101         BOOST_REQUIRE (reels == decoder->reels());
 102
 103         /* Add the VF to a new project, then add the OV and check that the
 104            _reels did not get reused.
 105         */
 106         test = new_test_film2 ("check_reuse_old_data_test2");
 107         shared_ptr<DCPContent> vf_content (new DCPContent(vf->dir(vf->dcp_name(false))));
 108         test->examine_and_add_content (vf_content);
 109         BOOST_REQUIRE (!wait_for_jobs());
 110         player.reset (new Player(test));
 111
 112         decoder = boost::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 113         BOOST_REQUIRE (decoder);
 114         reels = decoder->reels();
 115
 116         vf_content->add_ov (ov->dir(ov->dcp_name(false)));
 117         JobManager::instance()->add (shared_ptr<Job>(new ExamineContentJob(test, vf_content)));
 118         BOOST_REQUIRE (!wait_for_jobs());
 119         decoder = boost::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 120         BOOST_REQUIRE (decoder);
 121         BOOST_REQUIRE (reels != decoder->reels());
 122
 123         /* Add a KDM to an encrypted DCP and check that the _reels did not get reused */
 124         test = new_test_film2 ("check_reuse_old_data_test3");
 125         shared_ptr<DCPContent> encrypted_content (new DCPContent(encrypted->dir(encrypted->dcp_name(false))));
 126         test->examine_and_add_content (encrypted_content);
 127         BOOST_REQUIRE (!wait_for_jobs());
 128         player.reset (new Player(test));
 129
 130         decoder = boost::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 131         BOOST_REQUIRE (decoder);
 132         reels = decoder->reels();
 133
 134         encrypted_content->add_kdm (kdm);
 135         JobManager::instance()->add (shared_ptr<Job>(new ExamineContentJob(test, encrypted_content)));
 136         BOOST_REQUIRE (!wait_for_jobs());
 137         decoder = boost::dynamic_pointer_cast<DCPDecoder>(player->_pieces.front()->decoder);
 138         BOOST_REQUIRE (decoder);
 139         BOOST_REQUIRE (reels != decoder->reels());
 140 }