test/required_disk_space_test.cc

   1 /*
   2     Copyright (C) 2016-2021 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/required_disk_space_test.cc
  23  *  @brief Check Film::required_disk_space
  24  *  @ingroup selfcontained
  25  */
  26
  27
  28 #include "lib/content_factory.h"
  29 #include "lib/dcp_content.h"
  30 #include "lib/film.h"
  31 #include "test.h"
  32 #include <boost/test/unit_test.hpp>
  33
  34
  35 using std::dynamic_pointer_cast;
  36 using std::make_shared;
  37
  38
  39 void check_within_n (int64_t a, int64_t b, int64_t n)
  40 {
  41         BOOST_CHECK_MESSAGE (abs(a - b) <= n, "Estimated " << a << " differs from reference " << b << " by more than " << n);
  42 }
  43
  44
  45 BOOST_AUTO_TEST_CASE (required_disk_space_test)
  46 {
  47         auto film = new_test_film ("required_disk_space_test");
  48         film->set_j2k_bandwidth (100000000);
  49         film->set_audio_channels(8);
  50         film->set_reel_type (ReelType::BY_VIDEO_CONTENT);
  51         auto content_a = content_factory("test/data/flat_blue.png")[0];
  52         BOOST_REQUIRE (content_a);
  53         film->examine_and_add_content (content_a);
  54         auto content_b = make_shared<DCPContent>("test/data/burnt_subtitle_test_dcp");
  55         film->examine_and_add_content (content_b);
  56         BOOST_REQUIRE (!wait_for_jobs());
  57         film->write_metadata ();
  58
  59         check_within_n (
  60                 film->required_disk_space(),
  61                 288LL * (100000000 / 8) / 24 +  // video
  62                 288LL * 48000 * 8 * 3 / 24 +    // audio
  63                 65536,                          // extra
  64                 16
  65                 );
  66
  67         content_b->set_reference_video (true);
  68
  69         check_within_n (
  70                 film->required_disk_space(),
  71                 240LL * (100000000 / 8) / 24 +  // video
  72                 288LL * 48000 * 8 * 3 / 24 +    // audio
  73                 65536,                          // extra
  74                 16
  75                 );
  76
  77         std::string why_not;
  78         BOOST_CHECK(content_b->can_reference_audio(film, why_not));
  79         content_b->set_reference_audio (true);
  80
  81         check_within_n (
  82                 film->required_disk_space(),
  83                 240LL * (100000000 / 8) / 24 +  // video
  84                 240LL * 48000 * 8 * 3 / 24 +    // audio
  85                 65536,                          // extra
  86                 16
  87                 );
  88 }