media/cast/net/rtp/receiver_stats.h

   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
  13 namespace media {
  14 namespace cast {
  15
  16 class ReceiverStats {
  17  public:
  18   explicit ReceiverStats(base::TickClock* clock);
  19
  20   RtpReceiverStatistics GetStatistics();
  21   void UpdateStatistics(const RtpCastHeader& header);
  22
  23  private:
  24   base::TickClock* const clock_;  // Not owned by this class.
  25
  26   // Global metrics.
  27   uint16 min_sequence_number_;
  28   uint16 max_sequence_number_;
  29   uint32 total_number_packets_;
  30   uint16 sequence_number_cycles_;
  31   base::TimeDelta last_received_timestamp_;
  32   base::TimeTicks last_received_packet_time_;
  33   base::TimeDelta jitter_;
  34
  35   // Intermediate metrics - between RTCP reports.
  36   int interval_min_sequence_number_;
  37   int interval_number_packets_;
  38   int interval_wrap_count_;
  39
  40   DISALLOW_COPY_AND_ASSIGN(ReceiverStats);
  41 };
  42
  43 }  // namespace cast
  44 }  // namespace media
  45
  46 #endif  // MEDIA_CAST_RTP_RECEIVER_RECEIVER_STATS_H_