1*3f982cf4SFabien Sanglard // Copyright 2019 The Chromium Authors. All rights reserved. 2*3f982cf4SFabien Sanglard // Use of this source code is governed by a BSD-style license that can be 3*3f982cf4SFabien Sanglard // found in the LICENSE file. 4*3f982cf4SFabien Sanglard 5*3f982cf4SFabien Sanglard #ifndef CAST_STREAMING_RTCP_SESSION_H_ 6*3f982cf4SFabien Sanglard #define CAST_STREAMING_RTCP_SESSION_H_ 7*3f982cf4SFabien Sanglard 8*3f982cf4SFabien Sanglard #include "cast/streaming/ntp_time.h" 9*3f982cf4SFabien Sanglard #include "cast/streaming/ssrc.h" 10*3f982cf4SFabien Sanglard 11*3f982cf4SFabien Sanglard namespace openscreen { 12*3f982cf4SFabien Sanglard namespace cast { 13*3f982cf4SFabien Sanglard 14*3f982cf4SFabien Sanglard // Session-level configuration and shared components for the RTCP messaging 15*3f982cf4SFabien Sanglard // associated with a single Cast RTP stream. Multiple packet serialization and 16*3f982cf4SFabien Sanglard // parsing components share a single RtcpSession instance for data consistency. 17*3f982cf4SFabien Sanglard class RtcpSession { 18*3f982cf4SFabien Sanglard public: 19*3f982cf4SFabien Sanglard // |start_time| should be the current time, as it is used by NtpTimeConverter 20*3f982cf4SFabien Sanglard // to set a fixed reference point between the local Clock and current "real 21*3f982cf4SFabien Sanglard // world" wall time. 22*3f982cf4SFabien Sanglard RtcpSession(Ssrc sender_ssrc, 23*3f982cf4SFabien Sanglard Ssrc receiver_ssrc, 24*3f982cf4SFabien Sanglard Clock::time_point start_time); 25*3f982cf4SFabien Sanglard ~RtcpSession(); 26*3f982cf4SFabien Sanglard sender_ssrc()27*3f982cf4SFabien Sanglard Ssrc sender_ssrc() const { return sender_ssrc_; } receiver_ssrc()28*3f982cf4SFabien Sanglard Ssrc receiver_ssrc() const { return receiver_ssrc_; } ntp_converter()29*3f982cf4SFabien Sanglard const NtpTimeConverter& ntp_converter() const { return ntp_converter_; } 30*3f982cf4SFabien Sanglard 31*3f982cf4SFabien Sanglard private: 32*3f982cf4SFabien Sanglard const Ssrc sender_ssrc_; 33*3f982cf4SFabien Sanglard const Ssrc receiver_ssrc_; 34*3f982cf4SFabien Sanglard 35*3f982cf4SFabien Sanglard // Translates between system time (internal format) and NTP (wire format). 36*3f982cf4SFabien Sanglard NtpTimeConverter ntp_converter_; 37*3f982cf4SFabien Sanglard }; 38*3f982cf4SFabien Sanglard 39*3f982cf4SFabien Sanglard } // namespace cast 40*3f982cf4SFabien Sanglard } // namespace openscreen 41*3f982cf4SFabien Sanglard 42*3f982cf4SFabien Sanglard #endif // CAST_STREAMING_RTCP_SESSION_H_ 43