media/cast/rtcp/rtcp_defines.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_DEFINES_H_
   6 #define MEDIA_CAST_RTCP_RTCP_DEFINES_H_
   7
   8 #include <list>
   9 #include <map>
  10 #include <set>
  11
  12 #include "media/cast/cast_config.h"
  13 #include "media/cast/cast_defines.h"
  14
  15 namespace media {
  16 namespace cast {
  17
  18 class RtcpCastMessage {
  19  public:
  20   explicit RtcpCastMessage(uint32 media_ssrc);
  21   ~RtcpCastMessage();
  22
  23   uint32 media_ssrc_;
  24   uint8 ack_frame_id_;
  25   MissingFramesAndPacketsMap missing_frames_and_packets_;
  26 };
  27
  28 struct RtcpSenderInfo {
  29   // First three members are used for lipsync.
  30   // First two members are used for rtt.
  31   uint32 ntp_seconds;
  32   uint32 ntp_fraction;
  33   uint32 rtp_timestamp;
  34   uint32 send_packet_count;
  35   uint32 send_octet_count;
  36 };
  37
  38 struct RtcpReportBlock {
  39   uint32 remote_ssrc;  // SSRC of sender of this report.
  40   uint32 media_ssrc;  // SSRC of the RTP packet sender.
  41   uint8 fraction_lost;
  42   uint32 cumulative_lost;  // 24 bits valid.
  43   uint32 extended_high_sequence_number;
  44   uint32 jitter;
  45   uint32 last_sr;
  46   uint32 delay_since_last_sr;
  47 };
  48
  49 struct RtcpRpsiMessage {
  50   uint32 remote_ssrc;
  51   uint8 payload_type;
  52   uint64 picture_id;
  53 };
  54
  55 class RtcpNackMessage {
  56  public:
  57   RtcpNackMessage();
  58   ~RtcpNackMessage();
  59
  60   uint32 remote_ssrc;
  61   std::list<uint16> nack_list;
  62 };
  63
  64 class RtcpRembMessage {
  65  public:
  66   RtcpRembMessage();
  67   ~RtcpRembMessage();
  68
  69   uint32 remb_bitrate;
  70   std::list<uint32> remb_ssrcs;
  71 };
  72
  73 struct RtcpReceiverReferenceTimeReport {
  74   uint32 remote_ssrc;
  75   uint32 ntp_seconds;
  76   uint32 ntp_fraction;
  77 };
  78
  79 struct RtcpDlrrReportBlock {
  80   uint32 last_rr;
  81   uint32 delay_since_last_rr;
  82 };
  83
  84 inline bool operator==(RtcpReportBlock lhs, RtcpReportBlock rhs) {
  85   return lhs.remote_ssrc == rhs.remote_ssrc &&
  86       lhs.media_ssrc == rhs.media_ssrc &&
  87       lhs.fraction_lost == rhs.fraction_lost &&
  88       lhs.cumulative_lost == rhs.cumulative_lost &&
  89       lhs.extended_high_sequence_number == rhs.extended_high_sequence_number &&
  90       lhs.jitter == rhs.jitter &&
  91       lhs.last_sr == rhs.last_sr &&
  92       lhs.delay_since_last_sr == rhs.delay_since_last_sr;
  93 }
  94
  95 inline bool operator==(RtcpSenderInfo lhs, RtcpSenderInfo rhs) {
  96   return lhs.ntp_seconds == rhs.ntp_seconds &&
  97       lhs.ntp_fraction == rhs.ntp_fraction &&
  98       lhs.rtp_timestamp == rhs.rtp_timestamp &&
  99       lhs.send_packet_count == rhs.send_packet_count &&
 100       lhs.send_octet_count == rhs.send_octet_count;
 101 }
 102
 103 inline bool operator==(RtcpReceiverReferenceTimeReport lhs,
 104                        RtcpReceiverReferenceTimeReport rhs) {
 105   return lhs.remote_ssrc == rhs.remote_ssrc &&
 106       lhs.ntp_seconds == rhs.ntp_seconds &&
 107       lhs.ntp_fraction == rhs.ntp_fraction;
 108 }
 109
 110 }  // namespace cast
 111 }  // namespace media
 112
 113 #endif  // MEDIA_CAST_RTCP_RTCP_DEFINES_H_