media/cast/rtcp/rtcp_receiver.h

   1 // Copyright 2013 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_RTCP_RTCP_RECEIVER_H_
   6 #define MEDIA_CAST_RTCP_RTCP_RECEIVER_H_
   7
   8 #include "media/cast/rtcp/rtcp.h"
   9 #include "media/cast/rtcp/rtcp_defines.h"
  10 #include "media/cast/rtcp/rtcp_utility.h"
  11 #include "media/cast/transport/cast_transport_defines.h"
  12
  13 namespace media {
  14 namespace cast {
  15
  16 class RtcpReceiverFeedback {
  17  public:
  18   virtual void OnReceivedSenderReport(
  19       const transport::RtcpSenderInfo& remote_sender_info) = 0;
  20
  21   virtual void OnReceiverReferenceTimeReport(
  22       const RtcpReceiverReferenceTimeReport& remote_time_report) = 0;
  23
  24   virtual void OnReceivedSendReportRequest() = 0;
  25
  26   virtual void OnReceivedReceiverLog(
  27       const RtcpReceiverLogMessage& receiver_log) = 0;
  28
  29   virtual void OnReceivedSenderLog(
  30       const transport::RtcpSenderLogMessage& sender_log) = 0;
  31
  32   virtual ~RtcpReceiverFeedback() {}
  33 };
  34
  35 class RtcpRttFeedback {
  36  public:
  37   virtual void OnReceivedDelaySinceLastReport(
  38       uint32 receivers_ssrc,
  39       uint32 last_report,
  40       uint32 delay_since_last_report) = 0;
  41
  42   virtual ~RtcpRttFeedback() {}
  43 };
  44
  45 class RtcpReceiver {
  46  public:
  47   explicit RtcpReceiver(scoped_refptr<CastEnvironment> cast_environment,
  48                         RtcpSenderFeedback* sender_feedback,
  49                         RtcpReceiverFeedback* receiver_feedback,
  50                         RtcpRttFeedback* rtt_feedback,
  51                         uint32 local_ssrc);
  52   virtual ~RtcpReceiver();
  53
  54   void SetRemoteSSRC(uint32 ssrc);
  55
  56   void IncomingRtcpPacket(RtcpParser* rtcp_parser);
  57
  58  private:
  59   void HandleSenderReport(RtcpParser* rtcp_parser);
  60
  61   void HandleReceiverReport(RtcpParser* rtcp_parser);
  62
  63   void HandleReportBlock(const RtcpField* rtcp_field, uint32 remote_ssrc);
  64
  65   void HandleSDES(RtcpParser* rtcp_parser);
  66   void HandleSDESChunk(RtcpParser* rtcp_parser);
  67
  68   void HandleBYE(RtcpParser* rtcp_parser);
  69
  70   void HandleXr(RtcpParser* rtcp_parser);
  71   void HandleRrtr(RtcpParser* rtcp_parser, uint32 remote_ssrc);
  72   void HandleDlrr(RtcpParser* rtcp_parser);
  73
  74   //  Generic RTP Feedback.
  75   void HandleNACK(RtcpParser* rtcp_parser);
  76   void HandleNACKItem(const RtcpField* rtcp_field,
  77                       std::list<uint16>* nack_sequence_numbers);
  78
  79   void HandleSendReportRequest(RtcpParser* rtcp_parser);
  80
  81   // Payload-specific.
  82   void HandlePLI(RtcpParser* rtcp_parser);
  83
  84   void HandleSLI(RtcpParser* rtcp_parser);
  85   void HandleSLIItem(RtcpField* rtcpPacket);
  86
  87   void HandleRpsi(RtcpParser* rtcp_parser);
  88
  89   void HandleFIR(RtcpParser* rtcp_parser);
  90   void HandleFIRItem(const RtcpField* rtcp_field);
  91
  92   void HandlePayloadSpecificApp(RtcpParser* rtcp_parser);
  93   void HandlePayloadSpecificRembItem(RtcpParser* rtcp_parser);
  94   void HandlePayloadSpecificCastItem(RtcpParser* rtcp_parser);
  95   void HandlePayloadSpecificCastNackItem(
  96       const RtcpField* rtcp_field,
  97       MissingFramesAndPacketsMap* missing_frames_and_packets);
  98
  99   void HandleApplicationSpecificCastReceiverLog(RtcpParser* rtcp_parser);
 100   void HandleApplicationSpecificCastSenderLog(RtcpParser* rtcp_parser);
 101   void HandleApplicationSpecificCastReceiverEventLog(
 102       RtcpParser* rtcp_parser,
 103       RtcpReceiverEventLogMessages* event_log_messages);
 104
 105   const uint32 ssrc_;
 106   uint32 remote_ssrc_;
 107
 108   // Not owned by this class.
 109   RtcpSenderFeedback* const sender_feedback_;
 110   RtcpReceiverFeedback* const receiver_feedback_;
 111   RtcpRttFeedback* const rtt_feedback_;
 112   scoped_refptr<CastEnvironment> cast_environment_;
 113
 114   transport::FrameIdWrapHelper ack_frame_id_wrap_helper_;
 115
 116   DISALLOW_COPY_AND_ASSIGN(RtcpReceiver);
 117 };
 118
 119 }  // namespace cast
 120 }  // namespace media
 121
 122 #endif  // MEDIA_CAST_RTCP_RTCP_RECEIVER_H_