1 // Copyright (c) 2016 The WebM project authors. All Rights Reserved.
2 //
3 // Use of this source code is governed by a BSD-style license
4 // that can be found in the LICENSE file in the root of the source
5 // tree. An additional intellectual property rights grant can be found
6 // in the file PATENTS. All contributing project authors may
7 // be found in the AUTHORS file in the root of the source tree.
8 #include "src/colour_parser.h"
9
10 #include "gtest/gtest.h"
11
12 #include "test_utils/element_parser_test.h"
13 #include "webm/id.h"
14
15 using webm::Colour;
16 using webm::ColourParser;
17 using webm::ElementParserTest;
18 using webm::Id;
19 using webm::MasteringMetadata;
20 using webm::MatrixCoefficients;
21 using webm::Primaries;
22 using webm::Range;
23 using webm::TransferCharacteristics;
24
25 namespace {
26
27 class ColourParserTest : public ElementParserTest<ColourParser, Id::kColour> {};
28
TEST_F(ColourParserTest,DefaultParse)29 TEST_F(ColourParserTest, DefaultParse) {
30 ParseAndVerify();
31
32 const Colour colour = parser_.value();
33
34 EXPECT_FALSE(colour.matrix_coefficients.is_present());
35 EXPECT_EQ(MatrixCoefficients::kUnspecified,
36 colour.matrix_coefficients.value());
37
38 EXPECT_FALSE(colour.bits_per_channel.is_present());
39 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.bits_per_channel.value());
40
41 EXPECT_FALSE(colour.chroma_subsampling_x.is_present());
42 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.chroma_subsampling_x.value());
43
44 EXPECT_FALSE(colour.chroma_subsampling_y.is_present());
45 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.chroma_subsampling_y.value());
46
47 EXPECT_FALSE(colour.cb_subsampling_x.is_present());
48 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.cb_subsampling_x.value());
49
50 EXPECT_FALSE(colour.cb_subsampling_y.is_present());
51 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.cb_subsampling_y.value());
52
53 EXPECT_FALSE(colour.chroma_siting_x.is_present());
54 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.chroma_siting_x.value());
55
56 EXPECT_FALSE(colour.chroma_siting_y.is_present());
57 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.chroma_siting_y.value());
58
59 EXPECT_FALSE(colour.range.is_present());
60 EXPECT_EQ(Range::kUnspecified, colour.range.value());
61
62 EXPECT_FALSE(colour.transfer_characteristics.is_present());
63 EXPECT_EQ(TransferCharacteristics::kUnspecified,
64 colour.transfer_characteristics.value());
65
66 EXPECT_FALSE(colour.primaries.is_present());
67 EXPECT_EQ(Primaries::kUnspecified, colour.primaries.value());
68
69 EXPECT_FALSE(colour.max_cll.is_present());
70 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.max_cll.value());
71
72 EXPECT_FALSE(colour.max_fall.is_present());
73 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.max_fall.value());
74
75 EXPECT_FALSE(colour.mastering_metadata.is_present());
76 EXPECT_EQ(MasteringMetadata{}, colour.mastering_metadata.value());
77 }
78
TEST_F(ColourParserTest,DefaultValues)79 TEST_F(ColourParserTest, DefaultValues) {
80 SetReaderData({
81 0x55, 0xB1, // ID = 0x55B1 (MatrixCoefficients).
82 0x80, // Size = 0.
83
84 0x55, 0xB2, // ID = 0x55B2 (BitsPerChannel).
85 0x80, // Size = 0.
86
87 0x55, 0xB3, // ID = 0x55B3 (ChromaSubsamplingHorz).
88 0x80, // Size = 0.
89
90 0x55, 0xB4, // ID = 0x55B4 (ChromaSubsamplingVert).
91 0x80, // Size = 0.
92
93 0x55, 0xB5, // ID = 0x55B5 (CbSubsamplingHorz).
94 0x80, // Size = 0.
95
96 0x55, 0xB6, // ID = 0x55B6 (CbSubsamplingVert).
97 0x80, // Size = 0.
98
99 0x55, 0xB7, // ID = 0x55B7 (ChromaSitingHorz).
100 0x80, // Size = 0.
101
102 0x55, 0xB8, // ID = 0x55B8 (ChromaSitingVert).
103 0x80, // Size = 0.
104
105 0x55, 0xB9, // ID = 0x55B9 (Range).
106 0x80, // Size = 0.
107
108 0x55, 0xBA, // ID = 0x55BA (TransferCharacteristics).
109 0x80, // Size = 0.
110
111 0x55, 0xBB, // ID = 0x55BB (Primaries).
112 0x80, // Size = 0.
113
114 0x55, 0xBC, // ID = 0x55BC (MaxCLL).
115 0x80, // Size = 0.
116
117 0x55, 0xBD, // ID = 0x55BD (MaxFALL).
118 0x80, // Size = 0.
119
120 0x55, 0xD0, // ID = 0x55D0 (MasteringMetadata).
121 0x80, // Size = 0.
122 });
123
124 ParseAndVerify();
125
126 const Colour colour = parser_.value();
127
128 EXPECT_TRUE(colour.matrix_coefficients.is_present());
129 EXPECT_EQ(MatrixCoefficients::kUnspecified,
130 colour.matrix_coefficients.value());
131
132 EXPECT_TRUE(colour.bits_per_channel.is_present());
133 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.bits_per_channel.value());
134
135 EXPECT_TRUE(colour.chroma_subsampling_x.is_present());
136 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.chroma_subsampling_x.value());
137
138 EXPECT_TRUE(colour.chroma_subsampling_y.is_present());
139 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.chroma_subsampling_y.value());
140
141 EXPECT_TRUE(colour.cb_subsampling_x.is_present());
142 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.cb_subsampling_x.value());
143
144 EXPECT_TRUE(colour.cb_subsampling_y.is_present());
145 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.cb_subsampling_y.value());
146
147 EXPECT_TRUE(colour.chroma_siting_x.is_present());
148 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.chroma_siting_x.value());
149
150 EXPECT_TRUE(colour.chroma_siting_y.is_present());
151 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.chroma_siting_y.value());
152
153 EXPECT_TRUE(colour.range.is_present());
154 EXPECT_EQ(Range::kUnspecified, colour.range.value());
155
156 EXPECT_TRUE(colour.transfer_characteristics.is_present());
157 EXPECT_EQ(TransferCharacteristics::kUnspecified,
158 colour.transfer_characteristics.value());
159
160 EXPECT_TRUE(colour.primaries.is_present());
161 EXPECT_EQ(Primaries::kUnspecified, colour.primaries.value());
162
163 EXPECT_TRUE(colour.max_cll.is_present());
164 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.max_cll.value());
165
166 EXPECT_TRUE(colour.max_fall.is_present());
167 EXPECT_EQ(static_cast<std::uint64_t>(0), colour.max_fall.value());
168
169 EXPECT_TRUE(colour.mastering_metadata.is_present());
170 EXPECT_EQ(MasteringMetadata{}, colour.mastering_metadata.value());
171 }
172
TEST_F(ColourParserTest,CustomValues)173 TEST_F(ColourParserTest, CustomValues) {
174 SetReaderData({
175 0x55, 0xB1, // ID = 0x55B1 (MatrixCoefficients).
176 0x81, // Size = 1.
177 0x01, // Body (value = BT.709).
178
179 0x55, 0xB2, // ID = 0x55B2 (BitsPerChannel).
180 0x81, // Size = 1.
181 0x02, // Body (value = 2).
182
183 0x55, 0xB3, // ID = 0x55B3 (ChromaSubsamplingHorz).
184 0x81, // Size = 1.
185 0x03, // Body (value = 3).
186
187 0x55, 0xB4, // ID = 0x55B4 (ChromaSubsamplingVert).
188 0x81, // Size = 1.
189 0x04, // Body (value = 4).
190
191 0x55, 0xB5, // ID = 0x55B5 (CbSubsamplingHorz).
192 0x81, // Size = 1.
193 0x05, // Body (value = 5).
194
195 0x55, 0xB6, // ID = 0x55B6 (CbSubsamplingVert).
196 0x81, // Size = 1.
197 0x06, // Body (value = 6).
198
199 0x55, 0xB7, // ID = 0x55B7 (ChromaSitingHorz).
200 0x81, // Size = 1.
201 0x01, // Body (value = 1).
202
203 0x55, 0xB8, // ID = 0x55B8 (ChromaSitingVert).
204 0x81, // Size = 1.
205 0x02, // Body (value = 2).
206
207 0x55, 0xB9, // ID = 0x55B9 (Range).
208 0x81, // Size = 1.
209 0x03, // Body (value = 3 (derived)).
210
211 0x55, 0xBA, // ID = 0x55BA (TransferCharacteristics).
212 0x81, // Size = 1.
213 0x04, // Body (value = BT.470‑6 System M with display gamma 2.2).
214
215 0x55, 0xBB, // ID = 0x55BB (Primaries).
216 0x81, // Size = 1.
217 0x05, // Body (value = BT.470‑6 System B, G).
218
219 0x55, 0xBC, // ID = 0x55BC (MaxCLL).
220 0x81, // Size = 1.
221 0x06, // Body (value = 6).
222
223 0x55, 0xBD, // ID = 0x55BD (MaxFALL).
224 0x81, // Size = 1.
225 0x07, // Body (value = 7).
226
227 0x55, 0xD0, // ID = 0x55D0 (MasteringMetadata).
228 0x87, // Size = 7.
229
230 0x55, 0xD1, // ID = 0x55D1 (PrimaryRChromaticityX).
231 0x84, // Size = 4.
232 0x3F, 0x80, 0x00, 0x00, // Body (value = 1).
233 });
234
235 ParseAndVerify();
236
237 const Colour colour = parser_.value();
238
239 EXPECT_TRUE(colour.matrix_coefficients.is_present());
240 EXPECT_EQ(MatrixCoefficients::kBt709, colour.matrix_coefficients.value());
241
242 EXPECT_TRUE(colour.bits_per_channel.is_present());
243 EXPECT_EQ(static_cast<std::uint64_t>(2), colour.bits_per_channel.value());
244
245 EXPECT_TRUE(colour.chroma_subsampling_x.is_present());
246 EXPECT_EQ(static_cast<std::uint64_t>(3), colour.chroma_subsampling_x.value());
247
248 EXPECT_TRUE(colour.chroma_subsampling_y.is_present());
249 EXPECT_EQ(static_cast<std::uint64_t>(4), colour.chroma_subsampling_y.value());
250
251 EXPECT_TRUE(colour.cb_subsampling_x.is_present());
252 EXPECT_EQ(static_cast<std::uint64_t>(5), colour.cb_subsampling_x.value());
253
254 EXPECT_TRUE(colour.cb_subsampling_y.is_present());
255 EXPECT_EQ(static_cast<std::uint64_t>(6), colour.cb_subsampling_y.value());
256
257 EXPECT_TRUE(colour.chroma_siting_x.is_present());
258 EXPECT_EQ(static_cast<std::uint64_t>(1), colour.chroma_siting_x.value());
259
260 EXPECT_TRUE(colour.chroma_siting_y.is_present());
261 EXPECT_EQ(static_cast<std::uint64_t>(2), colour.chroma_siting_y.value());
262
263 EXPECT_TRUE(colour.range.is_present());
264 EXPECT_EQ(Range::kDerived, colour.range.value());
265
266 EXPECT_TRUE(colour.transfer_characteristics.is_present());
267 EXPECT_EQ(TransferCharacteristics::kGamma22curve,
268 colour.transfer_characteristics.value());
269
270 EXPECT_TRUE(colour.primaries.is_present());
271 EXPECT_EQ(Primaries::kBt470Bg, colour.primaries.value());
272
273 EXPECT_TRUE(colour.max_cll.is_present());
274 EXPECT_EQ(static_cast<std::uint64_t>(6), colour.max_cll.value());
275
276 EXPECT_TRUE(colour.max_fall.is_present());
277 EXPECT_EQ(static_cast<std::uint64_t>(7), colour.max_fall.value());
278
279 MasteringMetadata mastering_metadata{};
280 mastering_metadata.primary_r_chromaticity_x.Set(1.0, true);
281 EXPECT_TRUE(colour.mastering_metadata.is_present());
282 EXPECT_EQ(mastering_metadata, colour.mastering_metadata.value());
283 }
284
285 } // namespace
286