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 ultrahdr_metadata_struct expected;
46 expected.version = "1.0";
47 expected.maxContentBoost = 100.5f;
48 expected.minContentBoost = 1.5f;
49 expected.gamma = 1.0f;
50 expected.offsetSdr = 0.0f;
51 expected.offsetHdr = 0.0f;
52 expected.hdrCapacityMin = 1.0f;
53 expected.hdrCapacityMax = expected.maxContentBoost;
54
55 gain_map_metadata metadata;
56 gain_map_metadata::gainmapMetadataFloatToFraction(&expected, &metadata);
57 // metadata.dump();
58
59 std::vector<uint8_t> data;
60 gain_map_metadata::encodeGainmapMetadata(&metadata, data);
61
62 gain_map_metadata decodedMetadata;
63 gain_map_metadata::decodeGainmapMetadata(data, &decodedMetadata);
64
65 ultrahdr_metadata_struct decodedUHdrMetadata;
66 gain_map_metadata::gainmapMetadataFractionToFloat(&decodedMetadata, &decodedUHdrMetadata);
67
68 EXPECT_EQ(expected.maxContentBoost, decodedUHdrMetadata.maxContentBoost);
69 EXPECT_EQ(expected.minContentBoost, decodedUHdrMetadata.minContentBoost);
70 EXPECT_EQ(expected.gamma, decodedUHdrMetadata.gamma);
71 EXPECT_EQ(expected.offsetSdr, decodedUHdrMetadata.offsetSdr);
72 EXPECT_EQ(expected.offsetHdr, decodedUHdrMetadata.offsetHdr);
73 EXPECT_EQ(expected.hdrCapacityMin, decodedUHdrMetadata.hdrCapacityMin);
74 EXPECT_EQ(expected.hdrCapacityMax, decodedUHdrMetadata.hdrCapacityMax);
75 }
76 } // namespace ultrahdr
77