| /* |
| * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_EXTENDED_REPORTS_H_ |
| #define MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_EXTENDED_REPORTS_H_ |
| |
| #include <vector> |
| |
| #include "absl/types/optional.h" |
| #include "modules/rtp_rtcp/source/rtcp_packet.h" |
| #include "modules/rtp_rtcp/source/rtcp_packet/dlrr.h" |
| #include "modules/rtp_rtcp/source/rtcp_packet/rrtr.h" |
| #include "modules/rtp_rtcp/source/rtcp_packet/target_bitrate.h" |
| |
| namespace webrtc { |
| namespace rtcp { |
| class CommonHeader; |
| |
| // From RFC 3611: RTP Control Protocol Extended Reports (RTCP XR). |
| class ExtendedReports : public RtcpPacket { |
| public: |
| static constexpr uint8_t kPacketType = 207; |
| static constexpr size_t kMaxNumberOfDlrrItems = 50; |
| |
| ExtendedReports(); |
| ExtendedReports(const ExtendedReports& xr); |
| ~ExtendedReports() override; |
| |
| // Parse assumes header is already parsed and validated. |
| bool Parse(const CommonHeader& packet); |
| |
| void SetSenderSsrc(uint32_t ssrc) { sender_ssrc_ = ssrc; } |
| |
| void SetRrtr(const Rrtr& rrtr); |
| bool AddDlrrItem(const ReceiveTimeInfo& time_info); |
| void SetTargetBitrate(const TargetBitrate& target_bitrate); |
| |
| uint32_t sender_ssrc() const { return sender_ssrc_; } |
| const absl::optional<Rrtr>& rrtr() const { return rrtr_block_; } |
| const Dlrr& dlrr() const { return dlrr_block_; } |
| const absl::optional<TargetBitrate>& target_bitrate() const { |
| return target_bitrate_; |
| } |
| |
| size_t BlockLength() const override; |
| |
| bool Create(uint8_t* packet, |
| size_t* index, |
| size_t max_length, |
| PacketReadyCallback callback) const override; |
| |
| private: |
| static constexpr size_t kXrBaseLength = 4; |
| |
| size_t RrtrLength() const { return rrtr_block_ ? Rrtr::kLength : 0; } |
| size_t DlrrLength() const { return dlrr_block_.BlockLength(); } |
| size_t TargetBitrateLength() const; |
| |
| void ParseRrtrBlock(const uint8_t* block, uint16_t block_length); |
| void ParseDlrrBlock(const uint8_t* block, uint16_t block_length); |
| void ParseVoipMetricBlock(const uint8_t* block, uint16_t block_length); |
| void ParseTargetBitrateBlock(const uint8_t* block, uint16_t block_length); |
| |
| uint32_t sender_ssrc_; |
| absl::optional<Rrtr> rrtr_block_; |
| Dlrr dlrr_block_; // Dlrr without items treated same as no dlrr block. |
| absl::optional<TargetBitrate> target_bitrate_; |
| }; |
| } // namespace rtcp |
| } // namespace webrtc |
| #endif // MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_EXTENDED_REPORTS_H_ |