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

Issue 1434213004: rtcp::Ij renamed to rtcp::ExtendedJitterReport and moved into own file (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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312 const size_t kRrHeaderLength = 8; 312 const size_t kRrHeaderLength = 8;
313 return kRrHeaderLength + report_blocks_.size() * kReportBlockLength; 313 return kRrHeaderLength + report_blocks_.size() * kReportBlockLength;
314 } 314 }
315 315
316 RTCPUtility::RTCPPacketRR rr_; 316 RTCPUtility::RTCPPacketRR rr_;
317 std::vector<RTCPUtility::RTCPPacketReportBlockItem> report_blocks_; 317 std::vector<RTCPUtility::RTCPPacketReportBlockItem> report_blocks_;
318 318
319 RTC_DISALLOW_COPY_AND_ASSIGN(ReceiverReport); 319 RTC_DISALLOW_COPY_AND_ASSIGN(ReceiverReport);
320 }; 320 };
321 321
322 // Transmission Time Offsets in RTP Streams (RFC 5450).
323 //
324 // 0 1 2 3
325 // 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
326 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
327 // hdr |V=2|P| RC | PT=IJ=195 | length |
328 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
329 // | inter-arrival jitter |
330 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
331 // . .
332 // . .
333 // . .
334 // | inter-arrival jitter |
335 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
336 //
337 // If present, this RTCP packet must be placed after a receiver report
338 // (inside a compound RTCP packet), and MUST have the same value for RC
339 // (reception report count) as the receiver report.
340
341 class Ij : public RtcpPacket {
342 public:
343 Ij() : RtcpPacket() {}
344
345 virtual ~Ij() {}
346
347 bool WithJitterItem(uint32_t jitter);
348
349 protected:
350 bool Create(uint8_t* packet,
351 size_t* index,
352 size_t max_length,
353 RtcpPacket::PacketReadyCallback* callback) const override;
354
355 private:
356 static const int kMaxNumberOfIjItems = 0x1f;
357
358 size_t BlockLength() const {
359 return kHeaderLength + 4 * ij_items_.size();
360 }
361
362 std::vector<uint32_t> ij_items_;
363
364 RTC_DISALLOW_COPY_AND_ASSIGN(Ij);
365 };
366
367 // Source Description (SDES) (RFC 3550). 322 // Source Description (SDES) (RFC 3550).
368 // 323 //
369 // 0 1 2 3 324 // 0 1 2 3
370 // 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 1 325 // 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
371 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 326 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
372 // header |V=2|P| SC | PT=SDES=202 | length | 327 // header |V=2|P| SC | PT=SDES=202 | length |
373 // +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ 328 // +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
374 // chunk | SSRC/CSRC_1 | 329 // chunk | SSRC/CSRC_1 |
375 // 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 330 // 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
376 // | SDES items | 331 // | SDES items |
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1157 1112
1158 private: 1113 private:
1159 const size_t buffer_length_; 1114 const size_t buffer_length_;
1160 size_t length_; 1115 size_t length_;
1161 rtc::scoped_ptr<uint8_t[]> buffer_; 1116 rtc::scoped_ptr<uint8_t[]> buffer_;
1162 }; 1117 };
1163 1118
1164 } // namespace rtcp 1119 } // namespace rtcp
1165 } // namespace webrtc 1120 } // namespace webrtc
1166 #endif // WEBRTC_MODULES_RTP_RTCP_RTCP_PACKET_H_ 1121 #endif // WEBRTC_MODULES_RTP_RTCP_RTCP_PACKET_H_
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