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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MEDIA_CAST_RTCP_RTCP_SENDER_H_ | 5 #ifndef MEDIA_CAST_NET_RTCP_RTCP_SENDER_H_ |
6 #define MEDIA_CAST_RTCP_RTCP_SENDER_H_ | 6 #define MEDIA_CAST_NET_RTCP_RTCP_SENDER_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 #include <list> | 9 #include <list> |
10 #include <string> | 10 #include <string> |
11 | 11 |
12 #include "media/cast/cast_config.h" | 12 #include "media/cast/cast_config.h" |
13 #include "media/cast/cast_defines.h" | 13 #include "media/cast/cast_defines.h" |
14 #include "media/cast/net/cast_transport_defines.h" | 14 #include "media/cast/net/cast_transport_defines.h" |
15 #include "media/cast/net/rtcp/receiver_rtcp_event_subscriber.h" | 15 #include "media/cast/net/rtcp/receiver_rtcp_event_subscriber.h" |
16 #include "media/cast/net/rtcp/rtcp.h" | |
17 #include "media/cast/net/rtcp/rtcp_builder.h" | |
18 #include "media/cast/net/rtcp/rtcp_defines.h" | 16 #include "media/cast/net/rtcp/rtcp_defines.h" |
19 | 17 |
20 namespace media { | 18 namespace media { |
21 namespace cast { | 19 namespace cast { |
22 | 20 |
23 // We limit the size of receiver logs to avoid queuing up packets. | 21 // We limit the size of receiver logs to avoid queuing up packets. |
24 const size_t kMaxReceiverLogBytes = 200; | 22 const size_t kMaxReceiverLogBytes = 200; |
25 | 23 |
26 // The determines how long to hold receiver log events, based on how | 24 // The determines how long to hold receiver log events, based on how |
27 // many "receiver log message reports" ago the events were sent. | 25 // many "receiver log message reports" ago the events were sent. |
28 const size_t kReceiveLogMessageHistorySize = 20; | 26 const size_t kReceiveLogMessageHistorySize = 20; |
29 | 27 |
30 // This determines when to send events the second time. | 28 // This determines when to send events the second time. |
31 const size_t kFirstRedundancyOffset = 10; | 29 const size_t kFirstRedundancyOffset = 10; |
32 COMPILE_ASSERT(kFirstRedundancyOffset > 0 && | 30 COMPILE_ASSERT(kFirstRedundancyOffset > 0 && |
33 kFirstRedundancyOffset <= kReceiveLogMessageHistorySize, | 31 kFirstRedundancyOffset <= kReceiveLogMessageHistorySize, |
34 redundancy_offset_out_of_range); | 32 redundancy_offset_out_of_range); |
35 | 33 |
36 // When to send events the third time. | 34 // When to send events the third time. |
37 const size_t kSecondRedundancyOffset = 20; | 35 const size_t kSecondRedundancyOffset = 20; |
38 COMPILE_ASSERT(kSecondRedundancyOffset > | 36 COMPILE_ASSERT(kSecondRedundancyOffset > |
39 kFirstRedundancyOffset && kSecondRedundancyOffset <= | 37 kFirstRedundancyOffset && kSecondRedundancyOffset <= |
40 kReceiveLogMessageHistorySize, | 38 kReceiveLogMessageHistorySize, |
41 redundancy_offset_out_of_range); | 39 redundancy_offset_out_of_range); |
42 | 40 |
43 // TODO(mikhal): Resolve duplication between this and RtcpBuilder. | 41 class PacedPacketSender; |
| 42 |
| 43 // TODO(hclam): This should be renamed to RtcpPacketBuilder. The function |
| 44 // of this class is to only to build a RTCP packet but not to send it. |
44 class RtcpSender { | 45 class RtcpSender { |
45 public: | 46 public: |
46 RtcpSender(scoped_refptr<CastEnvironment> cast_environment, | 47 RtcpSender(PacedPacketSender* outgoing_transport, |
47 PacedPacketSender* outgoing_transport, | |
48 uint32 sending_ssrc, | 48 uint32 sending_ssrc, |
49 const std::string& c_name); | 49 const std::string& c_name); |
| 50 ~RtcpSender(); |
50 | 51 |
51 virtual ~RtcpSender(); | 52 // TODO(hclam): This method should be to build a packet instead of |
52 | 53 // sending it. |
53 void SendRtcpFromRtpReceiver( | 54 void SendRtcpFromRtpReceiver( |
54 uint32 packet_type_flags, | 55 uint32 packet_type_flags, |
55 const RtcpReportBlock* report_block, | 56 const RtcpReportBlock* report_block, |
56 const RtcpReceiverReferenceTimeReport* rrtr, | 57 const RtcpReceiverReferenceTimeReport* rrtr, |
57 const RtcpCastMessage* cast_message, | 58 const RtcpCastMessage* cast_message, |
58 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap* rtcp_events, | 59 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap* rtcp_events, |
59 base::TimeDelta target_delay); | 60 base::TimeDelta target_delay); |
60 | 61 |
| 62 // TODO(hclam): This method should be to build a packet instead of |
| 63 // sending it. |
| 64 void SendRtcpFromRtpSender(uint32 packet_type_flags, |
| 65 const RtcpSenderInfo& sender_info, |
| 66 const RtcpDlrrReportBlock& dlrr); |
| 67 |
61 private: | 68 private: |
62 void BuildRR(const RtcpReportBlock* report_block, | 69 void BuildRR(const RtcpReportBlock* report_block, |
63 Packet* packet) const; | 70 Packet* packet) const; |
64 | 71 |
65 void AddReportBlocks(const RtcpReportBlock& report_block, | 72 void AddReportBlocks(const RtcpReportBlock& report_block, |
66 Packet* packet) const; | 73 Packet* packet) const; |
67 | 74 |
68 void BuildSdec(Packet* packet) const; | 75 void BuildSdec(Packet* packet) const; |
69 | 76 |
70 void BuildPli(uint32 remote_ssrc, Packet* packet) const; | 77 void BuildPli(uint32 remote_ssrc, Packet* packet) const; |
71 | 78 |
72 void BuildRemb(const RtcpRembMessage* remb, Packet* packet) const; | 79 void BuildRemb(const RtcpRembMessage* remb, Packet* packet) const; |
73 | 80 |
74 void BuildRpsi(const RtcpRpsiMessage* rpsi, Packet* packet) const; | 81 void BuildRpsi(const RtcpRpsiMessage* rpsi, Packet* packet) const; |
75 | 82 |
76 void BuildNack(const RtcpNackMessage* nack, Packet* packet) const; | 83 void BuildNack(const RtcpNackMessage* nack, Packet* packet) const; |
77 | 84 |
78 void BuildBye(Packet* packet) const; | 85 void BuildBye(Packet* packet) const; |
79 | 86 |
80 void BuildRrtr(const RtcpReceiverReferenceTimeReport* rrtr, | 87 void BuildRrtr(const RtcpReceiverReferenceTimeReport* rrtr, |
81 Packet* packet) const; | 88 Packet* packet) const; |
82 | 89 |
83 void BuildCast(const RtcpCastMessage* cast_message, | 90 void BuildCast(const RtcpCastMessage* cast_message, |
84 base::TimeDelta target_delay, | 91 base::TimeDelta target_delay, |
85 Packet* packet) const; | 92 Packet* packet) const; |
86 | 93 |
| 94 void BuildSR(const RtcpSenderInfo& sender_info, Packet* packet) const; |
| 95 |
| 96 void BuildDlrrRb(const RtcpDlrrReportBlock& dlrr, Packet* packet) const; |
| 97 |
87 void BuildReceiverLog( | 98 void BuildReceiverLog( |
88 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap& rtcp_events, | 99 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap& rtcp_events, |
89 Packet* packet); | 100 Packet* packet); |
90 | 101 |
91 bool BuildRtcpReceiverLogMessage( | 102 bool BuildRtcpReceiverLogMessage( |
92 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap& rtcp_events, | 103 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap& rtcp_events, |
93 size_t start_size, | 104 size_t start_size, |
94 RtcpReceiverLogMessage* receiver_log_message, | 105 RtcpReceiverLogMessage* receiver_log_message, |
95 size_t* number_of_frames, | 106 size_t* number_of_frames, |
96 size_t* total_number_of_messages_to_send, | 107 size_t* total_number_of_messages_to_send, |
(...skipping 11 matching lines...) Expand all Loading... |
108 } | 119 } |
109 } | 120 } |
110 *mantissa = (bitrate >> *exponent); | 121 *mantissa = (bitrate >> *exponent); |
111 } | 122 } |
112 | 123 |
113 const uint32 ssrc_; | 124 const uint32 ssrc_; |
114 const std::string c_name_; | 125 const std::string c_name_; |
115 | 126 |
116 // Not owned by this class. | 127 // Not owned by this class. |
117 PacedPacketSender* const transport_; | 128 PacedPacketSender* const transport_; |
118 scoped_refptr<CastEnvironment> cast_environment_; | |
119 | 129 |
120 std::deque<RtcpReceiverLogMessage> rtcp_events_history_; | 130 std::deque<RtcpReceiverLogMessage> rtcp_events_history_; |
121 | 131 |
122 DISALLOW_COPY_AND_ASSIGN(RtcpSender); | 132 DISALLOW_COPY_AND_ASSIGN(RtcpSender); |
123 }; | 133 }; |
124 | 134 |
125 } // namespace cast | 135 } // namespace cast |
126 } // namespace media | 136 } // namespace media |
127 #endif // MEDIA_CAST_RTCP_RTCP_SENDER_H_ | 137 |
| 138 #endif // MEDIA_CAST_NET_RTCP_RTCP_SENDER_H_ |
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