• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 : 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