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

Issue 1430013003: rtcp::Bye packet moved to own file and got a 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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413 private: 413 private:
414 static const int kMaxNumberOfChunks = 0x1f; 414 static const int kMaxNumberOfChunks = 0x1f;
415 415
416 size_t BlockLength() const; 416 size_t BlockLength() const;
417 417
418 std::vector<Chunk> chunks_; 418 std::vector<Chunk> chunks_;
419 419
420 RTC_DISALLOW_COPY_AND_ASSIGN(Sdes); 420 RTC_DISALLOW_COPY_AND_ASSIGN(Sdes);
421 }; 421 };
422 422
423 //
424 // Bye packet (BYE) (RFC 3550).
425 //
426 // 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
427 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
428 // |V=2|P| SC | PT=BYE=203 | length |
429 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
430 // | SSRC/CSRC |
431 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
432 // : ... :
433 // +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
434 // (opt) | length | reason for leaving ...
435 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
436
437 class Bye : public RtcpPacket {
438 public:
439 Bye() : RtcpPacket() {
440 memset(&bye_, 0, sizeof(bye_));
441 }
442
443 virtual ~Bye() {}
444
445 void From(uint32_t ssrc) {
446 bye_.SenderSSRC = ssrc;
447 }
448
449 bool WithCsrc(uint32_t csrc);
450
451 // TODO(sprang): Add support for reason field?
452
453 protected:
454 bool Create(uint8_t* packet,
455 size_t* index,
456 size_t max_length,
457 RtcpPacket::PacketReadyCallback* callback) const override;
458
459 private:
460 static const int kMaxNumberOfCsrcs = 0x1f - 1; // First item is sender SSRC.
461
462 size_t BlockLength() const {
463 size_t source_count = 1 + csrcs_.size();
464 return kHeaderLength + 4 * source_count;
465 }
466
467 RTCPUtility::RTCPPacketBYE bye_;
468 std::vector<uint32_t> csrcs_;
469
470 RTC_DISALLOW_COPY_AND_ASSIGN(Bye);
471 };
472
473 // Application-Defined packet (APP) (RFC 3550). 423 // Application-Defined packet (APP) (RFC 3550).
474 // 424 //
475 // 0 1 2 3 425 // 0 1 2 3
476 // 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 1 426 // 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
477 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 427 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
478 // |V=2|P| subtype | PT=APP=204 | length | 428 // |V=2|P| subtype | PT=APP=204 | length |
479 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 429 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
480 // | SSRC/CSRC | 430 // | SSRC/CSRC |
481 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 431 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
482 // | name (ASCII) | 432 // | name (ASCII) |
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1157 1107
1158 private: 1108 private:
1159 const size_t buffer_length_; 1109 const size_t buffer_length_;
1160 size_t length_; 1110 size_t length_;
1161 rtc::scoped_ptr<uint8_t[]> buffer_; 1111 rtc::scoped_ptr<uint8_t[]> buffer_;
1162 }; 1112 };
1163 1113
1164 } // namespace rtcp 1114 } // namespace rtcp
1165 } // namespace webrtc 1115 } // namespace webrtc
1166 #endif // WEBRTC_MODULES_RTP_RTCP_RTCP_PACKET_H_ 1116 #endif // WEBRTC_MODULES_RTP_RTCP_RTCP_PACKET_H_
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