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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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_NET_RTCP_RTCP_SENDER_H_ | 5 #ifndef MEDIA_CAST_NET_RTCP_RTCP_SENDER_H_ |
6 #define MEDIA_CAST_NET_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> |
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38 kReceiveLogMessageHistorySize, | 38 kReceiveLogMessageHistorySize, |
39 redundancy_offset_out_of_range); | 39 redundancy_offset_out_of_range); |
40 | 40 |
41 class PacedPacketSender; | 41 class PacedPacketSender; |
42 | 42 |
43 // TODO(hclam): This should be renamed to RtcpPacketBuilder. The function | 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 // of this class is to only to build a RTCP packet but not to send it. |
45 class RtcpSender { | 45 class RtcpSender { |
46 public: | 46 public: |
47 RtcpSender(PacedPacketSender* outgoing_transport, | 47 RtcpSender(PacedPacketSender* outgoing_transport, |
48 uint32 sending_ssrc, | 48 uint32 sending_ssrc); |
49 const std::string& c_name); | |
50 ~RtcpSender(); | 49 ~RtcpSender(); |
51 | 50 |
52 // TODO(hclam): This method should be to build a packet instead of | 51 // TODO(hclam): This method should be to build a packet instead of |
53 // sending it. | 52 // sending it. |
54 void SendRtcpFromRtpReceiver( | 53 void SendRtcpFromRtpReceiver( |
55 uint32 packet_type_flags, | 54 uint32 packet_type_flags, |
56 const RtcpReportBlock* report_block, | 55 const RtcpReportBlock* report_block, |
57 const RtcpReceiverReferenceTimeReport* rrtr, | 56 const RtcpReceiverReferenceTimeReport* rrtr, |
58 const RtcpCastMessage* cast_message, | 57 const RtcpCastMessage* cast_message, |
59 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap* rtcp_events, | 58 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap* rtcp_events, |
60 base::TimeDelta target_delay); | 59 base::TimeDelta target_delay); |
61 | 60 |
62 // TODO(hclam): This method should be to build a packet instead of | 61 // TODO(hclam): This method should be to build a packet instead of |
63 // sending it. | 62 // sending it. |
64 void SendRtcpFromRtpSender(uint32 packet_type_flags, | 63 void SendRtcpFromRtpSender(uint32 packet_type_flags, |
65 const RtcpSenderInfo& sender_info, | 64 const RtcpSenderInfo& sender_info, |
66 const RtcpDlrrReportBlock& dlrr); | 65 const RtcpDlrrReportBlock& dlrr); |
67 | 66 |
68 private: | 67 private: |
69 void BuildRR(const RtcpReportBlock* report_block, | 68 void BuildRR(const RtcpReportBlock* report_block, |
70 Packet* packet) const; | 69 Packet* packet) const; |
71 | 70 |
72 void AddReportBlocks(const RtcpReportBlock& report_block, | 71 void AddReportBlocks(const RtcpReportBlock& report_block, |
73 Packet* packet) const; | 72 Packet* packet) const; |
74 | 73 |
75 void BuildSdec(Packet* packet) const; | |
76 | |
77 void BuildPli(uint32 remote_ssrc, Packet* packet) const; | |
78 | |
79 void BuildRemb(const RtcpRembMessage* remb, Packet* packet) const; | |
80 | |
81 void BuildRpsi(const RtcpRpsiMessage* rpsi, Packet* packet) const; | |
82 | |
83 void BuildNack(const RtcpNackMessage* nack, Packet* packet) const; | |
84 | |
85 void BuildBye(Packet* packet) const; | |
86 | |
87 void BuildRrtr(const RtcpReceiverReferenceTimeReport* rrtr, | 74 void BuildRrtr(const RtcpReceiverReferenceTimeReport* rrtr, |
88 Packet* packet) const; | 75 Packet* packet) const; |
89 | 76 |
90 void BuildCast(const RtcpCastMessage* cast_message, | 77 void BuildCast(const RtcpCastMessage* cast_message, |
91 base::TimeDelta target_delay, | 78 base::TimeDelta target_delay, |
92 Packet* packet) const; | 79 Packet* packet) const; |
93 | 80 |
94 void BuildSR(const RtcpSenderInfo& sender_info, Packet* packet) const; | 81 void BuildSR(const RtcpSenderInfo& sender_info, Packet* packet) const; |
95 | 82 |
96 void BuildDlrrRb(const RtcpDlrrReportBlock& dlrr, Packet* packet) const; | 83 void BuildDlrrRb(const RtcpDlrrReportBlock& dlrr, Packet* packet) const; |
97 | 84 |
98 void BuildReceiverLog( | 85 void BuildReceiverLog( |
99 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap& rtcp_events, | 86 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap& rtcp_events, |
100 Packet* packet); | 87 Packet* packet); |
101 | 88 |
102 bool BuildRtcpReceiverLogMessage( | 89 bool BuildRtcpReceiverLogMessage( |
103 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap& rtcp_events, | 90 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap& rtcp_events, |
104 size_t start_size, | 91 size_t start_size, |
105 RtcpReceiverLogMessage* receiver_log_message, | 92 RtcpReceiverLogMessage* receiver_log_message, |
106 size_t* number_of_frames, | 93 size_t* number_of_frames, |
107 size_t* total_number_of_messages_to_send, | 94 size_t* total_number_of_messages_to_send, |
108 size_t* rtcp_log_size); | 95 size_t* rtcp_log_size); |
109 | 96 |
110 inline void BitrateToRembExponentBitrate(uint32 bitrate, | 97 const uint32 ssrc_; |
111 uint8* exponent, | |
112 uint32* mantissa) const { | |
113 // 6 bit exponent and a 18 bit mantissa. | |
114 *exponent = 0; | |
115 for (int i = 0; i < 64; ++i) { | |
116 if (bitrate <= (262143u << i)) { | |
117 *exponent = i; | |
118 break; | |
119 } | |
120 } | |
121 *mantissa = (bitrate >> *exponent); | |
122 } | |
123 | 98 |
124 const uint32 ssrc_; | 99 // Not owned by this class. |
125 const std::string c_name_; | |
126 | |
127 // Not owned by this class. | |
128 PacedPacketSender* const transport_; | 100 PacedPacketSender* const transport_; |
129 | 101 |
130 std::deque<RtcpReceiverLogMessage> rtcp_events_history_; | 102 std::deque<RtcpReceiverLogMessage> rtcp_events_history_; |
131 | 103 |
132 DISALLOW_COPY_AND_ASSIGN(RtcpSender); | 104 DISALLOW_COPY_AND_ASSIGN(RtcpSender); |
133 }; | 105 }; |
134 | 106 |
135 } // namespace cast | 107 } // namespace cast |
136 } // namespace media | 108 } // namespace media |
137 | 109 |
138 #endif // MEDIA_CAST_NET_RTCP_RTCP_SENDER_H_ | 110 #endif // MEDIA_CAST_NET_RTCP_RTCP_SENDER_H_ |
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