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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/cast/net/rtcp/test_rtcp_packet_builder.h" | 5 #include "media/cast/net/rtcp/test_rtcp_packet_builder.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "media/cast/net/rtcp/rtcp_utility.h" | 8 #include "media/cast/net/rtcp/rtcp_utility.h" |
9 | 9 |
10 namespace media { | 10 namespace media { |
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46 | 46 |
47 void TestRtcpPacketBuilder::AddRb(uint32 rtp_ssrc) { | 47 void TestRtcpPacketBuilder::AddRb(uint32 rtp_ssrc) { |
48 big_endian_writer_.WriteU32(rtp_ssrc); | 48 big_endian_writer_.WriteU32(rtp_ssrc); |
49 big_endian_writer_.WriteU32(kLoss); | 49 big_endian_writer_.WriteU32(kLoss); |
50 big_endian_writer_.WriteU32(kExtendedMax); | 50 big_endian_writer_.WriteU32(kExtendedMax); |
51 big_endian_writer_.WriteU32(kTestJitter); | 51 big_endian_writer_.WriteU32(kTestJitter); |
52 big_endian_writer_.WriteU32(kLastSr); | 52 big_endian_writer_.WriteU32(kLastSr); |
53 big_endian_writer_.WriteU32(kDelayLastSr); | 53 big_endian_writer_.WriteU32(kDelayLastSr); |
54 } | 54 } |
55 | 55 |
56 void TestRtcpPacketBuilder::AddSdesCname(uint32 sender_ssrc, | |
57 const std::string& c_name) { | |
58 AddRtcpHeader(202, 1); | |
59 big_endian_writer_.WriteU32(sender_ssrc); | |
60 big_endian_writer_.WriteU8(1); // c_name. | |
61 | |
62 DCHECK_LE(c_name.size(), 255u); | |
63 big_endian_writer_.WriteU8( | |
64 static_cast<uint8>(c_name.size())); // c_name length in bytes. | |
65 for (size_t i = 0; i < c_name.size(); ++i) { | |
66 big_endian_writer_.WriteU8(c_name.c_str()[i]); | |
67 } | |
68 const int padding = 4 - ((c_name.size() + 2) % 4); | |
69 for (int j = 0; j < padding; ++j) { | |
70 big_endian_writer_.WriteU8(0); | |
71 } | |
72 } | |
73 | |
74 void TestRtcpPacketBuilder::AddXrHeader(uint32 sender_ssrc) { | 56 void TestRtcpPacketBuilder::AddXrHeader(uint32 sender_ssrc) { |
75 AddRtcpHeader(207, 0); | 57 AddRtcpHeader(207, 0); |
76 big_endian_writer_.WriteU32(sender_ssrc); | 58 big_endian_writer_.WriteU32(sender_ssrc); |
77 } | 59 } |
78 | 60 |
79 void TestRtcpPacketBuilder::AddXrUnknownBlock() { | 61 void TestRtcpPacketBuilder::AddXrUnknownBlock() { |
80 big_endian_writer_.WriteU8(9); // Block type. | 62 big_endian_writer_.WriteU8(9); // Block type. |
81 big_endian_writer_.WriteU8(0); // Reserved. | 63 big_endian_writer_.WriteU8(0); // Reserved. |
82 big_endian_writer_.WriteU16(4); // Block length. | 64 big_endian_writer_.WriteU16(4); // Block length. |
83 // First receiver same as sender of this report. | 65 // First receiver same as sender of this report. |
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131 big_endian_writer_.WriteU16(0); | 113 big_endian_writer_.WriteU16(0); |
132 } | 114 } |
133 | 115 |
134 void TestRtcpPacketBuilder::AddSendReportRequest(uint32 sender_ssrc, | 116 void TestRtcpPacketBuilder::AddSendReportRequest(uint32 sender_ssrc, |
135 uint32 media_ssrc) { | 117 uint32 media_ssrc) { |
136 AddRtcpHeader(205, 5); | 118 AddRtcpHeader(205, 5); |
137 big_endian_writer_.WriteU32(sender_ssrc); | 119 big_endian_writer_.WriteU32(sender_ssrc); |
138 big_endian_writer_.WriteU32(media_ssrc); | 120 big_endian_writer_.WriteU32(media_ssrc); |
139 } | 121 } |
140 | 122 |
141 void TestRtcpPacketBuilder::AddPli(uint32 sender_ssrc, uint32 media_ssrc) { | |
142 AddRtcpHeader(206, 1); | |
143 big_endian_writer_.WriteU32(sender_ssrc); | |
144 big_endian_writer_.WriteU32(media_ssrc); | |
145 } | |
146 | |
147 void TestRtcpPacketBuilder::AddRpsi(uint32 sender_ssrc, uint32 media_ssrc) { | |
148 AddRtcpHeader(206, 3); | |
149 big_endian_writer_.WriteU32(sender_ssrc); | |
150 big_endian_writer_.WriteU32(media_ssrc); | |
151 big_endian_writer_.WriteU8(0); // Padding bits. | |
152 big_endian_writer_.WriteU8(kPayloadtype); | |
153 uint64 picture_id = kPictureId; | |
154 | |
155 for (int i = 9; i > 0; i--) { | |
156 big_endian_writer_.WriteU8(0x80 | | |
157 static_cast<uint8>(picture_id >> (i * 7))); | |
158 } | |
159 // Add last byte of picture ID. | |
160 big_endian_writer_.WriteU8(static_cast<uint8>(picture_id & 0x7f)); | |
161 } | |
162 | |
163 void TestRtcpPacketBuilder::AddRemb(uint32 sender_ssrc, uint32 media_ssrc) { | |
164 AddRtcpHeader(206, 15); | |
165 big_endian_writer_.WriteU32(sender_ssrc); | |
166 big_endian_writer_.WriteU32(0); | |
167 big_endian_writer_.WriteU8('R'); | |
168 big_endian_writer_.WriteU8('E'); | |
169 big_endian_writer_.WriteU8('M'); | |
170 big_endian_writer_.WriteU8('B'); | |
171 big_endian_writer_.WriteU8(1); // Number of SSRCs. | |
172 big_endian_writer_.WriteU8(1); // BR Exp. | |
173 // BR Mantissa. | |
174 big_endian_writer_.WriteU16(static_cast<uint16>(kTestRembBitrate / 2)); | |
175 big_endian_writer_.WriteU32(media_ssrc); | |
176 } | |
177 | |
178 void TestRtcpPacketBuilder::AddCast(uint32 sender_ssrc, | 123 void TestRtcpPacketBuilder::AddCast(uint32 sender_ssrc, |
179 uint32 media_ssrc, | 124 uint32 media_ssrc, |
180 base::TimeDelta target_delay) { | 125 base::TimeDelta target_delay) { |
181 AddRtcpHeader(206, 15); | 126 AddRtcpHeader(206, 15); |
182 big_endian_writer_.WriteU32(sender_ssrc); | 127 big_endian_writer_.WriteU32(sender_ssrc); |
183 big_endian_writer_.WriteU32(media_ssrc); | 128 big_endian_writer_.WriteU32(media_ssrc); |
184 big_endian_writer_.WriteU8('C'); | 129 big_endian_writer_.WriteU8('C'); |
185 big_endian_writer_.WriteU8('A'); | 130 big_endian_writer_.WriteU8('A'); |
186 big_endian_writer_.WriteU8('S'); | 131 big_endian_writer_.WriteU8('S'); |
187 big_endian_writer_.WriteU8('T'); | 132 big_endian_writer_.WriteU8('T'); |
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260 big_endian_writer_.WriteU8(0x80 | (format_or_count & 0x1F)); | 205 big_endian_writer_.WriteU8(0x80 | (format_or_count & 0x1F)); |
261 big_endian_writer_.WriteU8(payload); | 206 big_endian_writer_.WriteU8(payload); |
262 ptr_of_length_ = big_endian_writer_.ptr(); | 207 ptr_of_length_ = big_endian_writer_.ptr(); |
263 | 208 |
264 // Initialize length to "clearly illegal". | 209 // Initialize length to "clearly illegal". |
265 big_endian_writer_.WriteU16(0xDEAD); | 210 big_endian_writer_.WriteU16(0xDEAD); |
266 } | 211 } |
267 | 212 |
268 } // namespace cast | 213 } // namespace cast |
269 } // namespace media | 214 } // namespace media |
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