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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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