test/required_disk_space_test.cc

   1 /*
   2     Copyright (C) 2016 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/required_disk_space_test.cc
  22  *  @brief Check Film::required_disk_space
  23  *  @ingroup specific
  24  */
  25
  26 #include "lib/content_factory.h"
  27 #include "lib/film.h"
  28 #include "lib/dcp_content.h"
  29 #include "test.h"
  30 #include <boost/test/unit_test.hpp>
  31
  32 using boost::shared_ptr;
  33 using boost::dynamic_pointer_cast;
  34
  35 void check_within_n (int64_t a, int64_t b, int64_t n)
  36 {
  37         BOOST_CHECK (abs (a - b) <= n);
  38 }
  39
  40
  41 BOOST_AUTO_TEST_CASE (required_disk_space_test)
  42 {
  43         shared_ptr<Film> film = new_test_film ("required_disk_space_test");
  44         film->set_j2k_bandwidth (100000000);
  45         film->set_audio_channels (6);
  46         shared_ptr<Content> content_a = content_factory("test/data/flat_blue.png").front();
  47         BOOST_REQUIRE (content_a);
  48         film->examine_and_add_content (content_a);
  49         shared_ptr<DCPContent> content_b (new DCPContent("test/data/burnt_subtitle_test_dcp"));
  50         film->examine_and_add_content (content_b);
  51         wait_for_jobs ();
  52         film->write_metadata ();
  53
  54         check_within_n (
  55                 film->required_disk_space(),
  56                 289LL * (100000000 / 8) / 24 +  // video
  57                 289LL * 48000 * 6 * 3 / 24 +    // audio
  58                 65536,                          // extra
  59                 16
  60                 );
  61
  62         content_b->set_reference_video (true);
  63
  64         check_within_n (
  65                 film->required_disk_space(),
  66                 240LL * (100000000 / 8) / 24 +  // video
  67                 289LL * 48000 * 6 * 3 / 24 +    // audio
  68                 65536,                          // extra
  69                 16
  70                 );
  71
  72         content_b->set_reference_audio (true);
  73
  74         check_within_n (
  75                 film->required_disk_space(),
  76                 240LL * (100000000 / 8) / 24 +  // video
  77                 240LL * 48000 * 6 * 3 / 24 +    // audio
  78                 65536,                          // extra
  79                 16
  80                 );
  81 }