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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CAST_STREAMING_RTCP_SESSION_H_
#define CAST_STREAMING_RTCP_SESSION_H_
#include "cast/streaming/ntp_time.h"
#include "cast/streaming/ssrc.h"
namespace cast {
namespace streaming {
// Session-level configuration and shared components for the RTCP messaging
// associated with a single Cast RTP stream. Multiple packet serialization and
// parsing components share a single RtcpSession instance for data consistency.
class RtcpSession {
public:
// |start_time| should be the current time, as it is used by NtpTimeConverter
// to set a fixed reference point between the local Clock and current "real
// world" wall time.
RtcpSession(Ssrc sender_ssrc,
Ssrc receiver_ssrc,
openscreen::platform::Clock::time_point start_time);
~RtcpSession();
Ssrc sender_ssrc() const { return sender_ssrc_; }
Ssrc receiver_ssrc() const { return receiver_ssrc_; }
const NtpTimeConverter& ntp_converter() const { return ntp_converter_; }
private:
const Ssrc sender_ssrc_;
const Ssrc receiver_ssrc_;
// Translates between system time (internal format) and NTP (wire format).
NtpTimeConverter ntp_converter_;
};
} // namespace streaming
} // namespace cast
#endif // CAST_STREAMING_RTCP_SESSION_H_
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