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Side by Side Diff: webrtc/modules/rtp_rtcp/source/rtcp_packet.h

Issue 1453083002: rtcp::ReceiverReport moved into own file and got Parse function (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Created 5 years, 1 month ago
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1 /* 1 /*
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 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 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 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 * 9 *
10 */ 10 */
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210 return kSrHeaderLength + kSenderInfoLength + 210 return kSrHeaderLength + kSenderInfoLength +
211 report_blocks_.size() * kReportBlockLength; 211 report_blocks_.size() * kReportBlockLength;
212 } 212 }
213 213
214 RTCPUtility::RTCPPacketSR sr_; 214 RTCPUtility::RTCPPacketSR sr_;
215 std::vector<ReportBlock> report_blocks_; 215 std::vector<ReportBlock> report_blocks_;
216 216
217 RTC_DISALLOW_COPY_AND_ASSIGN(SenderReport); 217 RTC_DISALLOW_COPY_AND_ASSIGN(SenderReport);
218 }; 218 };
219 219
220 //
221 // RTCP receiver report (RFC 3550).
222 //
223 // 0 1 2 3
224 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
225 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
226 // |V=2|P| RC | PT=RR=201 | length |
227 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
228 // | SSRC of packet sender |
229 // +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
230 // | report block(s) |
231 // | .... |
232
233 class ReceiverReport : public RtcpPacket {
234 public:
235 ReceiverReport() : RtcpPacket() {
236 memset(&rr_, 0, sizeof(rr_));
237 }
238
239 virtual ~ReceiverReport() {}
240
241 void From(uint32_t ssrc) {
242 rr_.SenderSSRC = ssrc;
243 }
244 bool WithReportBlock(const ReportBlock& block);
245
246 protected:
247 bool Create(uint8_t* packet,
248 size_t* index,
249 size_t max_length,
250 RtcpPacket::PacketReadyCallback* callback) const override;
251
252 private:
253 static const int kMaxNumberOfReportBlocks = 0x1F;
254
255 size_t BlockLength() const {
256 const size_t kRrHeaderLength = 8;
257 return kRrHeaderLength + report_blocks_.size() * kReportBlockLength;
258 }
259
260 RTCPUtility::RTCPPacketRR rr_;
261 std::vector<ReportBlock> report_blocks_;
262
263 RTC_DISALLOW_COPY_AND_ASSIGN(ReceiverReport);
264 };
265
266 // Source Description (SDES) (RFC 3550). 220 // Source Description (SDES) (RFC 3550).
267 // 221 //
268 // 0 1 2 3 222 // 0 1 2 3
269 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 223 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
270 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 224 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
271 // header |V=2|P| SC | PT=SDES=202 | length | 225 // header |V=2|P| SC | PT=SDES=202 | length |
272 // +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ 226 // +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
273 // chunk | SSRC/CSRC_1 | 227 // chunk | SSRC/CSRC_1 |
274 // 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 228 // 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
275 // | SDES items | 229 // | SDES items |
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1056 1010
1057 private: 1011 private:
1058 const size_t buffer_length_; 1012 const size_t buffer_length_;
1059 size_t length_; 1013 size_t length_;
1060 rtc::scoped_ptr<uint8_t[]> buffer_; 1014 rtc::scoped_ptr<uint8_t[]> buffer_;
1061 }; 1015 };
1062 1016
1063 } // namespace rtcp 1017 } // namespace rtcp
1064 } // namespace webrtc 1018 } // namespace webrtc
1065 #endif // WEBRTC_MODULES_RTP_RTCP_RTCP_PACKET_H_ 1019 #endif // WEBRTC_MODULES_RTP_RTCP_RTCP_PACKET_H_
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