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1 /* | |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 * | |
10 */ | |
11 | |
12 #include <memory> | |
13 | |
14 #include "webrtc/base/arraysize.h" | |
15 #include "webrtc/modules/video_coding/codecs/h264/h264_video_toolbox_nalu.h" | |
16 #include "webrtc/test/gtest.h" | |
17 | |
18 #if defined(WEBRTC_VIDEO_TOOLBOX_SUPPORTED) | |
19 | |
20 namespace webrtc { | |
21 | |
22 static const uint8_t NALU_TEST_DATA_0[] = {0xAA, 0xBB, 0xCC}; | |
23 static const uint8_t NALU_TEST_DATA_1[] = {0xDE, 0xAD, 0xBE, 0xEF}; | |
24 | |
25 TEST(H264VideoToolboxNaluTest, TestHasVideoFormatDescription) { | |
26 const uint8_t sps_buffer[] = {0x00, 0x00, 0x00, 0x01, 0x27}; | |
27 EXPECT_TRUE(H264AnnexBBufferHasVideoFormatDescription(sps_buffer, | |
28 arraysize(sps_buffer))); | |
29 const uint8_t aud_sps_buffer[] = {0x00, 0x00, 0x00, 0x01, 0x29, 0x10, | |
30 0x00, 0x00, 0x00, 0x01, 0x27, 0xFF}; | |
31 EXPECT_TRUE(H264AnnexBBufferHasVideoFormatDescription( | |
32 aud_sps_buffer, arraysize(aud_sps_buffer))); | |
33 const uint8_t other_buffer[] = {0x00, 0x00, 0x00, 0x01, 0x28}; | |
34 EXPECT_FALSE(H264AnnexBBufferHasVideoFormatDescription( | |
35 other_buffer, arraysize(other_buffer))); | |
36 const uint8_t aud_other_buffer[] = {0x00, 0x00, 0x00, 0x01, 0x29, | |
37 0x00, 0x00, 0x00, 0x01, 0x28}; | |
38 EXPECT_FALSE(H264AnnexBBufferHasVideoFormatDescription( | |
39 aud_other_buffer, arraysize(aud_other_buffer))); | |
40 } | |
41 | |
42 TEST(H264VideoToolboxNaluTest, TestCreateVideoFormatDescription) { | |
43 const uint8_t sps_pps_buffer[] = { | |
44 // SPS nalu. | |
45 0x00, 0x00, 0x00, 0x01, | |
46 0x27, 0x42, 0x00, 0x1E, 0xAB, 0x40, 0xF0, 0x28, 0xD3, 0x70, 0x20, 0x20, | |
47 0x20, 0x20, | |
48 // PPS nalu. | |
49 0x00, 0x00, 0x00, 0x01, | |
50 0x28, 0xCE, 0x3C, 0x30 | |
51 }; | |
52 CMVideoFormatDescriptionRef description = | |
53 CreateVideoFormatDescription(sps_pps_buffer, arraysize(sps_pps_buffer)); | |
54 EXPECT_TRUE(description); | |
55 if (description) { | |
56 CFRelease(description); | |
57 description = nullptr; | |
58 } | |
59 const uint8_t other_buffer[] = {0x00, 0x00, 0x00, 0x01, 0x28}; | |
60 EXPECT_FALSE(CreateVideoFormatDescription(other_buffer, | |
61 arraysize(other_buffer))); | |
62 } | |
63 | |
64 TEST(AnnexBBufferReaderTest, TestReadEmptyInput) { | |
65 const uint8_t annex_b_test_data[] = {0x00}; | |
66 AnnexBBufferReader reader(annex_b_test_data, 0); | |
67 const uint8_t* nalu = nullptr; | |
68 size_t nalu_length = 0; | |
69 EXPECT_EQ(0u, reader.BytesRemaining()); | |
70 EXPECT_FALSE(reader.ReadNalu(&nalu, &nalu_length)); | |
71 EXPECT_EQ(nullptr, nalu); | |
72 EXPECT_EQ(0u, nalu_length); | |
73 } | |
74 | |
75 TEST(AnnexBBufferReaderTest, TestReadSingleNalu) { | |
76 const uint8_t annex_b_test_data[] = {0x00, 0x00, 0x00, 0x01, 0xAA}; | |
77 AnnexBBufferReader reader(annex_b_test_data, arraysize(annex_b_test_data)); | |
78 const uint8_t* nalu = nullptr; | |
79 size_t nalu_length = 0; | |
80 EXPECT_EQ(arraysize(annex_b_test_data), reader.BytesRemaining()); | |
81 EXPECT_TRUE(reader.ReadNalu(&nalu, &nalu_length)); | |
82 EXPECT_EQ(annex_b_test_data + 4, nalu); | |
83 EXPECT_EQ(1u, nalu_length); | |
84 EXPECT_EQ(0u, reader.BytesRemaining()); | |
85 EXPECT_FALSE(reader.ReadNalu(&nalu, &nalu_length)); | |
86 EXPECT_EQ(nullptr, nalu); | |
87 EXPECT_EQ(0u, nalu_length); | |
88 } | |
89 | |
90 TEST(AnnexBBufferReaderTest, TestReadSingleNalu3ByteHeader) { | |
91 const uint8_t annex_b_test_data[] = {0x00, 0x00, 0x01, 0xAA}; | |
92 AnnexBBufferReader reader(annex_b_test_data, arraysize(annex_b_test_data)); | |
93 const uint8_t* nalu = nullptr; | |
94 size_t nalu_length = 0; | |
95 EXPECT_EQ(arraysize(annex_b_test_data), reader.BytesRemaining()); | |
96 EXPECT_TRUE(reader.ReadNalu(&nalu, &nalu_length)); | |
97 EXPECT_EQ(annex_b_test_data + 3, nalu); | |
98 EXPECT_EQ(1u, nalu_length); | |
99 EXPECT_EQ(0u, reader.BytesRemaining()); | |
100 EXPECT_FALSE(reader.ReadNalu(&nalu, &nalu_length)); | |
101 EXPECT_EQ(nullptr, nalu); | |
102 EXPECT_EQ(0u, nalu_length); | |
103 } | |
104 | |
105 TEST(AnnexBBufferReaderTest, TestReadMissingNalu) { | |
106 // clang-format off | |
107 const uint8_t annex_b_test_data[] = {0x01, | |
108 0x00, 0x01, | |
109 0x00, 0x00, 0x00, 0xFF}; | |
110 // clang-format on | |
111 AnnexBBufferReader reader(annex_b_test_data, arraysize(annex_b_test_data)); | |
112 const uint8_t* nalu = nullptr; | |
113 size_t nalu_length = 0; | |
114 EXPECT_EQ(0u, reader.BytesRemaining()); | |
115 EXPECT_FALSE(reader.ReadNalu(&nalu, &nalu_length)); | |
116 EXPECT_EQ(nullptr, nalu); | |
117 EXPECT_EQ(0u, nalu_length); | |
118 } | |
119 | |
120 TEST(AnnexBBufferReaderTest, TestReadMultipleNalus) { | |
121 // clang-format off | |
122 const uint8_t annex_b_test_data[] = {0x00, 0x00, 0x00, 0x01, 0xFF, | |
123 0x01, | |
124 0x00, 0x01, | |
125 0x00, 0x00, 0x00, 0xFF, | |
126 0x00, 0x00, 0x01, 0xAA, 0xBB}; | |
127 // clang-format on | |
128 AnnexBBufferReader reader(annex_b_test_data, arraysize(annex_b_test_data)); | |
129 const uint8_t* nalu = nullptr; | |
130 size_t nalu_length = 0; | |
131 EXPECT_EQ(arraysize(annex_b_test_data), reader.BytesRemaining()); | |
132 EXPECT_TRUE(reader.ReadNalu(&nalu, &nalu_length)); | |
133 EXPECT_EQ(annex_b_test_data + 4, nalu); | |
134 EXPECT_EQ(8u, nalu_length); | |
135 EXPECT_EQ(6u, reader.BytesRemaining()); | |
136 EXPECT_TRUE(reader.ReadNalu(&nalu, &nalu_length)); | |
137 EXPECT_EQ(annex_b_test_data + 16, nalu); | |
138 EXPECT_EQ(2u, nalu_length); | |
139 EXPECT_EQ(0u, reader.BytesRemaining()); | |
140 EXPECT_FALSE(reader.ReadNalu(&nalu, &nalu_length)); | |
141 EXPECT_EQ(nullptr, nalu); | |
142 EXPECT_EQ(0u, nalu_length); | |
143 } | |
144 | |
145 TEST(AvccBufferWriterTest, TestEmptyOutputBuffer) { | |
146 const uint8_t expected_buffer[] = {0x00}; | |
147 const size_t buffer_size = 1; | |
148 std::unique_ptr<uint8_t[]> buffer(new uint8_t[buffer_size]); | |
149 memset(buffer.get(), 0, buffer_size); | |
150 AvccBufferWriter writer(buffer.get(), 0); | |
151 EXPECT_EQ(0u, writer.BytesRemaining()); | |
152 EXPECT_FALSE(writer.WriteNalu(NALU_TEST_DATA_0, arraysize(NALU_TEST_DATA_0))); | |
153 EXPECT_EQ(0, | |
154 memcmp(expected_buffer, buffer.get(), arraysize(expected_buffer))); | |
155 } | |
156 | |
157 TEST(AvccBufferWriterTest, TestWriteSingleNalu) { | |
158 const uint8_t expected_buffer[] = { | |
159 0x00, 0x00, 0x00, 0x03, 0xAA, 0xBB, 0xCC, | |
160 }; | |
161 const size_t buffer_size = arraysize(NALU_TEST_DATA_0) + 4; | |
162 std::unique_ptr<uint8_t[]> buffer(new uint8_t[buffer_size]); | |
163 AvccBufferWriter writer(buffer.get(), buffer_size); | |
164 EXPECT_EQ(buffer_size, writer.BytesRemaining()); | |
165 EXPECT_TRUE(writer.WriteNalu(NALU_TEST_DATA_0, arraysize(NALU_TEST_DATA_0))); | |
166 EXPECT_EQ(0u, writer.BytesRemaining()); | |
167 EXPECT_FALSE(writer.WriteNalu(NALU_TEST_DATA_1, arraysize(NALU_TEST_DATA_1))); | |
168 EXPECT_EQ(0, | |
169 memcmp(expected_buffer, buffer.get(), arraysize(expected_buffer))); | |
170 } | |
171 | |
172 TEST(AvccBufferWriterTest, TestWriteMultipleNalus) { | |
173 // clang-format off | |
174 const uint8_t expected_buffer[] = { | |
175 0x00, 0x00, 0x00, 0x03, 0xAA, 0xBB, 0xCC, | |
176 0x00, 0x00, 0x00, 0x04, 0xDE, 0xAD, 0xBE, 0xEF | |
177 }; | |
178 // clang-format on | |
179 const size_t buffer_size = | |
180 arraysize(NALU_TEST_DATA_0) + arraysize(NALU_TEST_DATA_1) + 8; | |
181 std::unique_ptr<uint8_t[]> buffer(new uint8_t[buffer_size]); | |
182 AvccBufferWriter writer(buffer.get(), buffer_size); | |
183 EXPECT_EQ(buffer_size, writer.BytesRemaining()); | |
184 EXPECT_TRUE(writer.WriteNalu(NALU_TEST_DATA_0, arraysize(NALU_TEST_DATA_0))); | |
185 EXPECT_EQ(buffer_size - (arraysize(NALU_TEST_DATA_0) + 4), | |
186 writer.BytesRemaining()); | |
187 EXPECT_TRUE(writer.WriteNalu(NALU_TEST_DATA_1, arraysize(NALU_TEST_DATA_1))); | |
188 EXPECT_EQ(0u, writer.BytesRemaining()); | |
189 EXPECT_EQ(0, | |
190 memcmp(expected_buffer, buffer.get(), arraysize(expected_buffer))); | |
191 } | |
192 | |
193 TEST(AvccBufferWriterTest, TestOverflow) { | |
194 const uint8_t expected_buffer[] = {0x00, 0x00, 0x00}; | |
195 const size_t buffer_size = arraysize(NALU_TEST_DATA_0); | |
196 std::unique_ptr<uint8_t[]> buffer(new uint8_t[buffer_size]); | |
197 memset(buffer.get(), 0, buffer_size); | |
198 AvccBufferWriter writer(buffer.get(), buffer_size); | |
199 EXPECT_EQ(buffer_size, writer.BytesRemaining()); | |
200 EXPECT_FALSE(writer.WriteNalu(NALU_TEST_DATA_0, arraysize(NALU_TEST_DATA_0))); | |
201 EXPECT_EQ(buffer_size, writer.BytesRemaining()); | |
202 EXPECT_EQ(0, | |
203 memcmp(expected_buffer, buffer.get(), arraysize(expected_buffer))); | |
204 } | |
205 | |
206 } // namespace webrtc | |
207 | |
208 #endif // WEBRTC_VIDEO_TOOLBOX_SUPPORTED | |
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