2 Copyright (C) 2022 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
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.
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.
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/>.
22 #include "lib/content.h"
23 #include "lib/content_factory.h"
25 #include "lib/make_dcp.h"
26 #include "lib/text_content.h"
28 #include <dcp/interop_subtitle_asset.h>
29 #include <dcp/language_tag.h>
30 #include <dcp/smpte_subtitle_asset.h>
31 #include <boost/test/unit_test.hpp>
35 using std::shared_ptr;
40 BOOST_AUTO_TEST_CASE(srt_correctly_placed_in_interop)
42 string const name = "srt_in_interop_position_test";
43 auto fr = content_factory("test/data/short.srt");
44 auto film = new_test_film2(name, fr);
46 film->set_interop(true);
51 dcp::VerificationNote::Code::INVALID_STANDARD,
52 dcp::VerificationNote::Code::INVALID_SUBTITLE_SPACING,
53 dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME
56 auto output = subtitle_file(film);
58 dcp::InteropSubtitleAsset asset(output);
59 auto output_subs = asset.subtitles();
60 BOOST_REQUIRE_EQUAL(output_subs.size(), 1U);
62 BOOST_CHECK(output_subs[0]->v_align() == dcp::VAlign::BOTTOM);
63 BOOST_CHECK_CLOSE(output_subs[0]->v_position(), 0.172726989, 1e-3);
67 BOOST_AUTO_TEST_CASE(srt_correctly_placed_in_smpte)
69 string const name = "srt_in_smpte_position_test";
70 auto fr = content_factory("test/data/short.srt");
71 auto film = new_test_film2(name, fr);
73 fr[0]->text[0]->set_language(dcp::LanguageTag("en-GB"));
74 film->set_interop(false);
79 dcp::VerificationNote::Code::MISSING_CPL_METADATA,
80 dcp::VerificationNote::Code::INVALID_SUBTITLE_SPACING,
81 dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME
84 auto output = subtitle_file(film);
86 dcp::SMPTESubtitleAsset asset(output);
87 auto output_subs = asset.subtitles();
88 BOOST_REQUIRE_EQUAL(output_subs.size(), 1U);
90 BOOST_CHECK(output_subs[0]->v_align() == dcp::VAlign::BOTTOM);
91 BOOST_CHECK_CLOSE(output_subs[0]->v_position(), 0.172726989, 1e-3);
95 /** Make a DCP from some DCP subtitles and check the vertical alignment */
98 vpos_test(dcp::VAlign reference, float position, dcp::SubtitleStandard from, dcp::Standard to)
102 case dcp::SubtitleStandard::SMPTE_2007:
103 case dcp::SubtitleStandard::SMPTE_2010:
104 standard = "smpte_2010";
106 case dcp::SubtitleStandard::INTEROP:
107 standard = "interop";
109 case dcp::SubtitleStandard::SMPTE_2014:
110 standard = "smpte_2014";
114 auto name = String::compose("vpos_test_%1_%2", standard, valign_to_string(reference));
115 auto in = content_factory(String::compose("test/data/%1.xml", name));
116 auto film = new_test_film2(name, in);
118 film->set_interop(to == dcp::Standard::INTEROP);
120 film->write_metadata();
121 make_dcp(film, TranscodeJob::ChangedBehaviour::IGNORE);
122 BOOST_REQUIRE(!wait_for_jobs());
124 auto out = subtitle_file(film);
125 vector<shared_ptr<const dcp::Subtitle>> subtitles;
126 if (to == dcp::Standard::INTEROP) {
127 dcp::InteropSubtitleAsset asset(out);
128 subtitles = asset.subtitles();
130 dcp::SMPTESubtitleAsset asset(out);
131 subtitles = asset.subtitles();
134 BOOST_REQUIRE_EQUAL(subtitles.size(), 1U);
136 BOOST_CHECK(subtitles[0]->v_align() == reference);
137 BOOST_CHECK_CLOSE(subtitles[0]->v_position(), position, 2);
141 BOOST_AUTO_TEST_CASE(subtitles_correctly_placed_with_all_references)
143 constexpr auto baseline_to_bottom = 0.00925926;
144 constexpr auto height = 0.0462963;
147 auto from = dcp::SubtitleStandard::INTEROP;
150 vpos_test(dcp::VAlign::TOP, 0.2, from, dcp::Standard::INTEROP);
151 vpos_test(dcp::VAlign::CENTER, 0.11, from, dcp::Standard::INTEROP);
152 vpos_test(dcp::VAlign::BOTTOM, 0.08, from, dcp::Standard::INTEROP);
155 vpos_test(dcp::VAlign::TOP, 0.2, from, dcp::Standard::SMPTE);
156 vpos_test(dcp::VAlign::CENTER, 0.11, from, dcp::Standard::SMPTE);
157 vpos_test(dcp::VAlign::BOTTOM, 0.08, from, dcp::Standard::SMPTE);
159 /* SMPTE 2010 source */
160 from = dcp::SubtitleStandard::SMPTE_2010;
163 vpos_test(dcp::VAlign::TOP, 0.1 + height - baseline_to_bottom, from, dcp::Standard::INTEROP);
164 vpos_test(dcp::VAlign::CENTER, 0.15 + (height / 2) - baseline_to_bottom, from, dcp::Standard::INTEROP);
165 vpos_test(dcp::VAlign::BOTTOM, 0.10 + baseline_to_bottom, from, dcp::Standard::INTEROP);
168 vpos_test(dcp::VAlign::TOP, 0.1 + height - baseline_to_bottom, from, dcp::Standard::SMPTE);
169 vpos_test(dcp::VAlign::CENTER, 0.15 + (height / 2) - baseline_to_bottom, from, dcp::Standard::SMPTE);
170 vpos_test(dcp::VAlign::BOTTOM, 0.10 + baseline_to_bottom, from, dcp::Standard::SMPTE);
172 /* SMPTE 2014 source */
173 from = dcp::SubtitleStandard::SMPTE_2014;
176 vpos_test(dcp::VAlign::TOP, 0.2, from, dcp::Standard::INTEROP);
177 vpos_test(dcp::VAlign::CENTER, 0.11, from, dcp::Standard::INTEROP);
178 vpos_test(dcp::VAlign::BOTTOM, 0.08, from, dcp::Standard::INTEROP);
181 vpos_test(dcp::VAlign::TOP, 0.2, from, dcp::Standard::SMPTE);
182 vpos_test(dcp::VAlign::CENTER, 0.11, from, dcp::Standard::SMPTE);
183 vpos_test(dcp::VAlign::BOTTOM, 0.08, from, dcp::Standard::SMPTE);