1 /* 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. 3 * 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 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_RECEIVER_REPORT_H_ 12 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_RECEIVER_REPORT_H_ 13 14 #include <vector> 15 16 #include "webrtc/base/basictypes.h" 17 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet.h" 18 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/report_block.h" 19 #include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h" 20 21 namespace webrtc { 22 namespace rtcp { 23 24 class ReceiverReport : public RtcpPacket { 25 public: 26 static const uint8_t kPacketType = 201; ReceiverReport()27 ReceiverReport() : sender_ssrc_(0) {} 28 ~ReceiverReport()29 virtual ~ReceiverReport() {} 30 31 // Parse assumes header is already parsed and validated. 32 bool Parse(const RTCPUtility::RtcpCommonHeader& header, 33 const uint8_t* payload); // Size of the payload is in the header. 34 From(uint32_t ssrc)35 void From(uint32_t ssrc) { sender_ssrc_ = ssrc; } 36 bool WithReportBlock(const ReportBlock& block); 37 sender_ssrc()38 uint32_t sender_ssrc() const { return sender_ssrc_; } report_blocks()39 const std::vector<ReportBlock>& report_blocks() const { 40 return report_blocks_; 41 } 42 43 protected: 44 bool Create(uint8_t* packet, 45 size_t* index, 46 size_t max_length, 47 RtcpPacket::PacketReadyCallback* callback) const override; 48 49 private: 50 static const size_t kRrBaseLength = 4; 51 static const size_t kMaxNumberOfReportBlocks = 0x1F; 52 BlockLength()53 size_t BlockLength() const { 54 return kHeaderLength + kRrBaseLength + 55 report_blocks_.size() * ReportBlock::kLength; 56 } 57 58 uint32_t sender_ssrc_; 59 std::vector<ReportBlock> report_blocks_; 60 61 RTC_DISALLOW_COPY_AND_ASSIGN(ReceiverReport); 62 }; 63 64 } // namespace rtcp 65 } // namespace webrtc 66 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_RECEIVER_REPORT_H_ 67