5510864d9b94576e78b66b3b3a53a893a574a837
[dcpomatic.git] / 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 selfcontained
24  */
25
26 #include "lib/content_factory.h"
27 #include "lib/dcp_content.h"
28 #include "lib/film.h"
29 #include "test.h"
30 #include <boost/test/unit_test.hpp>
31
32 using std::make_shared;
33 using std::shared_ptr;
34 using std::dynamic_pointer_cast;
35
36 void check_within_n (int64_t a, int64_t b, int64_t n)
37 {
38         BOOST_CHECK_MESSAGE (abs(a - b) <= n, "Estimated " << a << " differs from reference " << b << " by more than " << n);
39 }
40
41
42 BOOST_AUTO_TEST_CASE (required_disk_space_test)
43 {
44         auto film = new_test_film ("required_disk_space_test");
45         film->set_j2k_bandwidth (100000000);
46         film->set_audio_channels (6);
47         film->set_reel_type (ReelType::BY_VIDEO_CONTENT);
48         auto content_a = content_factory("test/data/flat_blue.png").front();
49         BOOST_REQUIRE (content_a);
50         film->examine_and_add_content (content_a);
51         auto content_b = make_shared<DCPContent>("test/data/burnt_subtitle_test_dcp");
52         film->examine_and_add_content (content_b);
53         BOOST_REQUIRE (!wait_for_jobs());
54         film->write_metadata ();
55
56         check_within_n (
57                 film->required_disk_space(),
58                 289LL * (100000000 / 8) / 24 +  // video
59                 289LL * 48000 * 6 * 3 / 24 +    // audio
60                 65536,                          // extra
61                 16
62                 );
63
64         content_b->set_reference_video (true);
65
66         check_within_n (
67                 film->required_disk_space(),
68                 240LL * (100000000 / 8) / 24 +  // video
69                 289LL * 48000 * 6 * 3 / 24 +    // audio
70                 65536,                          // extra
71                 16
72                 );
73
74         content_b->set_reference_audio (true);
75
76         check_within_n (
77                 film->required_disk_space(),
78                 240LL * (100000000 / 8) / 24 +  // video
79                 240LL * 48000 * 6 * 3 / 24 +    // audio
80                 65536,                          // extra
81                 16
82                 );
83 }