1 /*
2 * Copyright 2024 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18 #include <vector>
19
20 #include "ultrahdr/gainmapmetadata.h"
21
22 namespace ultrahdr {
23
24 class GainMapMetadataTest : public testing::Test {
25 public:
26 GainMapMetadataTest();
27 ~GainMapMetadataTest();
28
29 protected:
30 virtual void SetUp();
31 virtual void TearDown();
32 };
33
GainMapMetadataTest()34 GainMapMetadataTest::GainMapMetadataTest() {}
35
~GainMapMetadataTest()36 GainMapMetadataTest::~GainMapMetadataTest() {}
37
SetUp()38 void GainMapMetadataTest::SetUp() {}
39
TearDown()40 void GainMapMetadataTest::TearDown() {}
41
42 const std::string kIso = "urn:iso:std:iso:ts:21496:-1";
43
TEST_F(GainMapMetadataTest,encodeMetadataThenDecode)44 TEST_F(GainMapMetadataTest, encodeMetadataThenDecode) {
45 uhdr_gainmap_metadata_ext_t expected("1.0");
46 expected.max_content_boost = 100.5f;
47 expected.min_content_boost = 1.5f;
48 expected.gamma = 1.0f;
49 expected.offset_sdr = 0.0625f;
50 expected.offset_hdr = 0.0625f;
51 expected.hdr_capacity_min = 1.0f;
52 expected.hdr_capacity_max = 10000.0f / 203.0f;
53
54 uhdr_gainmap_metadata_frac metadata;
55 EXPECT_EQ(
56 uhdr_gainmap_metadata_frac::gainmapMetadataFloatToFraction(&expected, &metadata).error_code,
57 UHDR_CODEC_OK);
58 // metadata.dump();
59
60 std::vector<uint8_t> data;
61 EXPECT_EQ(uhdr_gainmap_metadata_frac::encodeGainmapMetadata(&metadata, data).error_code,
62 UHDR_CODEC_OK);
63
64 uhdr_gainmap_metadata_frac decodedMetadata;
65 EXPECT_EQ(uhdr_gainmap_metadata_frac::decodeGainmapMetadata(data, &decodedMetadata).error_code,
66 UHDR_CODEC_OK);
67
68 uhdr_gainmap_metadata_ext_t decodedUHdrMetadata;
69 EXPECT_EQ(uhdr_gainmap_metadata_frac::gainmapMetadataFractionToFloat(&decodedMetadata,
70 &decodedUHdrMetadata)
71 .error_code,
72 UHDR_CODEC_OK);
73
74 EXPECT_FLOAT_EQ(expected.max_content_boost, decodedUHdrMetadata.max_content_boost);
75 EXPECT_FLOAT_EQ(expected.min_content_boost, decodedUHdrMetadata.min_content_boost);
76 EXPECT_FLOAT_EQ(expected.gamma, decodedUHdrMetadata.gamma);
77 EXPECT_FLOAT_EQ(expected.offset_sdr, decodedUHdrMetadata.offset_sdr);
78 EXPECT_FLOAT_EQ(expected.offset_hdr, decodedUHdrMetadata.offset_hdr);
79 EXPECT_FLOAT_EQ(expected.hdr_capacity_min, decodedUHdrMetadata.hdr_capacity_min);
80 EXPECT_FLOAT_EQ(expected.hdr_capacity_max, decodedUHdrMetadata.hdr_capacity_max);
81
82 data.clear();
83 expected.min_content_boost = 0.000578369f;
84 expected.offset_sdr = -0.0625f;
85 expected.offset_hdr = -0.0625f;
86 expected.hdr_capacity_max = 1000.0f / 203.0f;
87
88 EXPECT_EQ(
89 uhdr_gainmap_metadata_frac::gainmapMetadataFloatToFraction(&expected, &metadata).error_code,
90 UHDR_CODEC_OK);
91 EXPECT_EQ(uhdr_gainmap_metadata_frac::encodeGainmapMetadata(&metadata, data).error_code,
92 UHDR_CODEC_OK);
93 EXPECT_EQ(uhdr_gainmap_metadata_frac::decodeGainmapMetadata(data, &decodedMetadata).error_code,
94 UHDR_CODEC_OK);
95 EXPECT_EQ(uhdr_gainmap_metadata_frac::gainmapMetadataFractionToFloat(&decodedMetadata,
96 &decodedUHdrMetadata)
97 .error_code,
98 UHDR_CODEC_OK);
99
100 EXPECT_FLOAT_EQ(expected.max_content_boost, decodedUHdrMetadata.max_content_boost);
101 EXPECT_FLOAT_EQ(expected.min_content_boost, decodedUHdrMetadata.min_content_boost);
102 EXPECT_FLOAT_EQ(expected.gamma, decodedUHdrMetadata.gamma);
103 EXPECT_FLOAT_EQ(expected.offset_sdr, decodedUHdrMetadata.offset_sdr);
104 EXPECT_FLOAT_EQ(expected.offset_hdr, decodedUHdrMetadata.offset_hdr);
105 EXPECT_FLOAT_EQ(expected.hdr_capacity_min, decodedUHdrMetadata.hdr_capacity_min);
106 EXPECT_FLOAT_EQ(expected.hdr_capacity_max, decodedUHdrMetadata.hdr_capacity_max);
107 }
108
109 } // namespace ultrahdr
110