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// Copyright 2013 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 MEDIA_CAST_RTP_RECEIVER_RECEIVER_STATS_H_
#define MEDIA_CAST_RTP_RECEIVER_RECEIVER_STATS_H_
#include "base/time/tick_clock.h"
#include "base/time/time.h"
#include "media/cast/rtp_common/rtp_defines.h"
namespace media {
namespace cast {
class ReceiverStats {
public:
explicit ReceiverStats(base::TickClock* clock);
~ReceiverStats();
void GetStatistics(uint8* fraction_lost,
uint32* cumulative_lost, // 24 bits valid.
uint32* extended_high_sequence_number,
uint32* jitter);
void UpdateStatistics(const RtpCastHeader& header);
private:
base::TickClock* const clock_; // Not owned by this class.
// Global metrics.
uint16 min_sequence_number_;
uint16 max_sequence_number_;
uint32 total_number_packets_;
uint16 sequence_number_cycles_;
base::TimeDelta last_received_timestamp_;
base::TimeTicks last_received_packet_time_;
base::TimeDelta jitter_;
// Intermediate metrics - between RTCP reports.
int interval_min_sequence_number_;
int interval_number_packets_;
int interval_wrap_count_;
};
} // namespace cast
} // namespace media
#endif // MEDIA_CAST_RTP_RECEIVER_RECEIVER_STATS_H_
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