test/reel_writer_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/reel_writer_test.cc
  23  *  @brief Test ReelWriter class.
  24  *  @ingroup selfcontained
  25  */
  26
  27
  28 #include "lib/audio_content.h"
  29 #include "lib/content.h"
  30 #include "lib/content_factory.h"
  31 #include "lib/cross.h"
  32 #include "lib/film.h"
  33 #include "lib/frame_info.h"
  34 #include "lib/reel_writer.h"
  35 #include "lib/video_content.h"
  36 #include "test.h"
  37 #include <dcp/dcp.h>
  38 #include <dcp/cpl.h>
  39 #include <dcp/reel.h>
  40 #include <dcp/reel_picture_asset.h>
  41 #include <dcp/reel_sound_asset.h>
  42 #include <boost/test/unit_test.hpp>
  43
  44
  45 using std::shared_ptr;
  46 using std::string;
  47 using boost::optional;
  48
  49
  50 static bool equal(J2KFrameInfo a, shared_ptr<InfoFileHandle> file, Frame frame, Eyes eyes)
  51 {
  52         auto b = J2KFrameInfo(file, frame, eyes);
  53         return a.offset == b.offset && a.size == b.size && a.hash == b.hash;
  54 }
  55
  56
  57 BOOST_AUTO_TEST_CASE (write_frame_info_test)
  58 {
  59         auto film = new_test_film2 ("write_frame_info_test");
  60         dcpomatic::DCPTimePeriod const period (dcpomatic::DCPTime(0), dcpomatic::DCPTime(96000));
  61         ReelWriter writer (film, period, shared_ptr<Job>(), 0, 1, false);
  62
  63         /* Write the first one */
  64
  65         J2KFrameInfo info1(0, 123, "12345678901234567890123456789012");
  66         info1.write(film->info_file_handle(period, false), 0, Eyes::LEFT);
  67         {
  68                 auto file = film->info_file_handle(period, true);
  69                 BOOST_CHECK(equal(info1, file, 0, Eyes::LEFT));
  70         }
  71
  72         /* Write some more */
  73
  74         J2KFrameInfo info2(596, 14921, "123acb789f1234ae782012n456339522");
  75         info2.write(film->info_file_handle(period, false), 5, Eyes::RIGHT);
  76
  77         {
  78                 auto file = film->info_file_handle(period, true);
  79                 BOOST_CHECK(equal(info1, file, 0, Eyes::LEFT));
  80                 BOOST_CHECK(equal(info2, file, 5, Eyes::RIGHT));
  81         }
  82
  83         J2KFrameInfo info3(12494, 99157123, "xxxxyyyyabc12356ffsfdsf456339522");
  84         info3.write(film->info_file_handle(period, false), 10, Eyes::LEFT);
  85
  86         {
  87                 auto file = film->info_file_handle(period, true);
  88                 BOOST_CHECK(equal(info1, file, 0, Eyes::LEFT));
  89                 BOOST_CHECK(equal(info2, file, 5, Eyes::RIGHT));
  90                 BOOST_CHECK(equal(info3, file, 10, Eyes::LEFT));
  91         }
  92
  93         /* Overwrite one */
  94
  95         J2KFrameInfo info4(55512494, 123599157123, "ABCDEFGyabc12356ffsfdsf4563395ZZ");
  96         info4.write(film->info_file_handle(period, false), 5, Eyes::RIGHT);
  97
  98         {
  99                 auto file = film->info_file_handle(period, true);
 100                 BOOST_CHECK(equal(info1, file, 0, Eyes::LEFT));
 101                 BOOST_CHECK(equal(info4, file, 5, Eyes::RIGHT));
 102                 BOOST_CHECK(equal(info3, file, 10, Eyes::LEFT));
 103         }
 104 }
 105
 106
 107 /** Check that the reel writer correctly re-uses a video asset changed if we remake
 108  *  a DCP with no video changes.
 109  */
 110 BOOST_AUTO_TEST_CASE (reel_reuse_video_test)
 111 {
 112         /* Make a DCP */
 113         auto video = content_factory("test/data/flat_red.png")[0];
 114         auto audio = content_factory("test/data/white.wav")[0];
 115         auto film = new_test_film2 ("reel_reuse_video_test", { video, audio });
 116         make_and_verify_dcp (film);
 117
 118         /* Find main picture and sound asset IDs */
 119         dcp::DCP dcp1 (film->dir(film->dcp_name()));
 120         dcp1.read ();
 121         BOOST_REQUIRE_EQUAL (dcp1.cpls().size(), 1U);
 122         BOOST_REQUIRE_EQUAL (dcp1.cpls()[0]->reels().size(), 1U);
 123         BOOST_REQUIRE (dcp1.cpls()[0]->reels()[0]->main_picture());
 124         BOOST_REQUIRE (dcp1.cpls()[0]->reels()[0]->main_sound());
 125         auto const picture_id = dcp1.cpls()[0]->reels()[0]->main_picture()->asset()->id();
 126         auto const sound_id = dcp1.cpls()[0]->reels()[0]->main_sound()->asset()->id();
 127
 128         /* Change the audio and re-make */
 129         audio->audio->set_gain (-3);
 130         /* >1 CPLs in the DCP raises an error in ClairMeta */
 131         make_and_verify_dcp(film, {}, true, false);
 132
 133         /* Video ID should be the same, sound different */
 134         dcp::DCP dcp2 (film->dir(film->dcp_name()));
 135         dcp2.read ();
 136         BOOST_REQUIRE_EQUAL (dcp2.cpls().size(), 1U);
 137         BOOST_REQUIRE_EQUAL (dcp2.cpls()[0]->reels().size(), 1U);
 138         BOOST_REQUIRE (dcp2.cpls()[0]->reels()[0]->main_picture());
 139         BOOST_REQUIRE (dcp2.cpls()[0]->reels()[0]->main_sound());
 140         BOOST_CHECK_EQUAL (picture_id, dcp2.cpls()[0]->reels()[0]->main_picture()->asset()->id());
 141         BOOST_CHECK (sound_id != dcp2.cpls()[0]->reels().front()->main_sound()->asset()->id());
 142
 143         /* Crop video and re-make */
 144         video->video->set_left_crop (5);
 145         /* >1 CPLs in the DCP raises an error in ClairMeta */
 146         make_and_verify_dcp(film, {}, true, false);
 147
 148         /* Video and sound IDs should be different */
 149         dcp::DCP dcp3 (film->dir(film->dcp_name()));
 150         dcp3.read ();
 151         BOOST_REQUIRE_EQUAL (dcp3.cpls().size(), 1U);
 152         BOOST_REQUIRE_EQUAL (dcp3.cpls()[0]->reels().size(), 1U);
 153         BOOST_REQUIRE (dcp3.cpls()[0]->reels()[0]->main_picture());
 154         BOOST_REQUIRE (dcp3.cpls()[0]->reels()[0]->main_sound());
 155         BOOST_CHECK (picture_id != dcp3.cpls()[0]->reels()[0]->main_picture()->asset()->id());
 156         BOOST_CHECK (sound_id != dcp3.cpls()[0]->reels().front()->main_sound()->asset()->id());
 157 }