1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
/*
Copyright (C) 2022 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "lib/content.h"
#include "lib/content_factory.h"
#include "lib/film.h"
#include "lib/make_dcp.h"
#include "lib/text_content.h"
#include "test.h"
#include <dcp/interop_text_asset.h>
#include <dcp/language_tag.h>
#include <dcp/smpte_text_asset.h>
#include <boost/test/unit_test.hpp>
#include <vector>
using std::shared_ptr;
using std::string;
using std::vector;
BOOST_AUTO_TEST_CASE(srt_correctly_placed_in_interop)
{
string const name = "srt_in_interop_position_test";
auto fr = content_factory("test/data/short.srt");
auto film = new_test_film(name, fr);
fr[0]->only_text()->set_language(dcp::LanguageTag("de"));
film->set_interop(true);
make_and_verify_dcp (
film,
{
dcp::VerificationNote::Code::INVALID_STANDARD,
dcp::VerificationNote::Code::INVALID_SUBTITLE_SPACING,
dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME
});
auto output = subtitle_file(film);
dcp::InteropTextAsset asset(output);
auto output_subs = asset.texts();
BOOST_REQUIRE_EQUAL(output_subs.size(), 1U);
BOOST_CHECK(output_subs[0]->v_align() == dcp::VAlign::BOTTOM);
BOOST_CHECK_CLOSE(output_subs[0]->v_position(), 0.172726989, 1e-3);
}
BOOST_AUTO_TEST_CASE(srt_correctly_placed_in_smpte)
{
string const name = "srt_in_smpte_position_test";
auto fr = content_factory("test/data/short.srt");
auto film = new_test_film(name, fr);
fr[0]->text[0]->set_language(dcp::LanguageTag("en"));
film->set_interop(false);
make_and_verify_dcp (
film,
{
dcp::VerificationNote::Code::MISSING_CPL_METADATA,
dcp::VerificationNote::Code::INVALID_SUBTITLE_SPACING,
dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME
});
auto output = subtitle_file(film);
dcp::SMPTETextAsset asset(output);
auto output_subs = asset.texts();
BOOST_REQUIRE_EQUAL(output_subs.size(), 1U);
BOOST_CHECK(output_subs[0]->v_align() == dcp::VAlign::BOTTOM);
BOOST_CHECK_CLOSE(output_subs[0]->v_position(), 0.172726989, 1e-3);
}
/** Make a DCP from some DCP subtitles and check the vertical alignment */
static
void
vpos_test(dcp::VAlign reference, float position, dcp::SubtitleStandard from, dcp::Standard to)
{
string standard;
switch (from) {
case dcp::SubtitleStandard::SMPTE_2007:
case dcp::SubtitleStandard::SMPTE_2010:
standard = "smpte_2010";
break;
case dcp::SubtitleStandard::INTEROP:
standard = "interop";
break;
case dcp::SubtitleStandard::SMPTE_2014:
standard = "smpte_2014";
break;
}
auto name = String::compose("vpos_test_%1_%2", standard, valign_to_string(reference));
auto in = content_factory(String::compose("test/data/%1.xml", name));
auto film = new_test_film(name, in);
film->set_interop(to == dcp::Standard::INTEROP);
film->write_metadata();
make_dcp(film, TranscodeJob::ChangedBehaviour::IGNORE);
BOOST_REQUIRE(!wait_for_jobs());
auto out = subtitle_file(film);
vector<shared_ptr<const dcp::Text>> subtitles;
if (to == dcp::Standard::INTEROP) {
dcp::InteropTextAsset asset(out);
subtitles = asset.texts();
} else {
dcp::SMPTETextAsset asset(out);
subtitles = asset.texts();
}
BOOST_REQUIRE_EQUAL(subtitles.size(), 1U);
BOOST_CHECK(subtitles[0]->v_align() == reference);
BOOST_CHECK_CLOSE(subtitles[0]->v_position(), position, 2);
}
BOOST_AUTO_TEST_CASE(subtitles_correctly_placed_with_all_references)
{
constexpr auto baseline_to_bottom = 0.00925926;
constexpr auto height = 0.0462963;
/* Interop source */
auto from = dcp::SubtitleStandard::INTEROP;
// -> Interop
vpos_test(dcp::VAlign::TOP, 0.2, from, dcp::Standard::INTEROP);
vpos_test(dcp::VAlign::CENTER, 0.11, from, dcp::Standard::INTEROP);
vpos_test(dcp::VAlign::BOTTOM, 0.08, from, dcp::Standard::INTEROP);
// -> SMPTE (2014)
vpos_test(dcp::VAlign::TOP, 0.2, from, dcp::Standard::SMPTE);
vpos_test(dcp::VAlign::CENTER, 0.11, from, dcp::Standard::SMPTE);
vpos_test(dcp::VAlign::BOTTOM, 0.08, from, dcp::Standard::SMPTE);
/* SMPTE 2010 source */
from = dcp::SubtitleStandard::SMPTE_2010;
// -> Interop
vpos_test(dcp::VAlign::TOP, 0.1 + height - baseline_to_bottom, from, dcp::Standard::INTEROP);
vpos_test(dcp::VAlign::CENTER, 0.15 + (height / 2) - baseline_to_bottom, from, dcp::Standard::INTEROP);
vpos_test(dcp::VAlign::BOTTOM, 0.10 + baseline_to_bottom, from, dcp::Standard::INTEROP);
// -> SMPTE (2014)
vpos_test(dcp::VAlign::TOP, 0.1 + height - baseline_to_bottom, from, dcp::Standard::SMPTE);
vpos_test(dcp::VAlign::CENTER, 0.15 + (height / 2) - baseline_to_bottom, from, dcp::Standard::SMPTE);
vpos_test(dcp::VAlign::BOTTOM, 0.10 + baseline_to_bottom, from, dcp::Standard::SMPTE);
/* SMPTE 2014 source */
from = dcp::SubtitleStandard::SMPTE_2014;
// -> Interop
vpos_test(dcp::VAlign::TOP, 0.2, from, dcp::Standard::INTEROP);
vpos_test(dcp::VAlign::CENTER, 0.11, from, dcp::Standard::INTEROP);
vpos_test(dcp::VAlign::BOTTOM, 0.08, from, dcp::Standard::INTEROP);
// -> SMPTE (2014)
vpos_test(dcp::VAlign::TOP, 0.2, from, dcp::Standard::SMPTE);
vpos_test(dcp::VAlign::CENTER, 0.11, from, dcp::Standard::SMPTE);
vpos_test(dcp::VAlign::BOTTOM, 0.08, from, dcp::Standard::SMPTE);
}
|
