1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef MEDIA_CAST_RTP_RECEIVER_RECEIVER_STATS_H_
6#define MEDIA_CAST_RTP_RECEIVER_RECEIVER_STATS_H_
7
8#include "base/time/tick_clock.h"
9#include "base/time/time.h"
10#include "media/cast/net/rtcp/rtcp.h"
11#include "media/cast/net/rtp/rtp_receiver_defines.h"
12
13namespace media {
14namespace cast {
15
16class ReceiverStats : public RtpReceiverStatistics {
17 public:
18  explicit ReceiverStats(base::TickClock* clock);
19  virtual ~ReceiverStats() OVERRIDE;
20
21  virtual void GetStatistics(uint8* fraction_lost,
22                             uint32* cumulative_lost,  // 24 bits valid.
23                             uint32* extended_high_sequence_number,
24                             uint32* jitter) OVERRIDE;
25  void UpdateStatistics(const RtpCastHeader& header);
26
27 private:
28  base::TickClock* const clock_;  // Not owned by this class.
29
30  // Global metrics.
31  uint16 min_sequence_number_;
32  uint16 max_sequence_number_;
33  uint32 total_number_packets_;
34  uint16 sequence_number_cycles_;
35  base::TimeDelta last_received_timestamp_;
36  base::TimeTicks last_received_packet_time_;
37  base::TimeDelta jitter_;
38
39  // Intermediate metrics - between RTCP reports.
40  int interval_min_sequence_number_;
41  int interval_number_packets_;
42  int interval_wrap_count_;
43
44  DISALLOW_COPY_AND_ASSIGN(ReceiverStats);
45};
46
47}  // namespace cast
48}  // namespace media
49
50#endif  // MEDIA_CAST_RTP_RECEIVER_RECEIVER_STATS_H_
51