Chromium Code Reviews| OLD | NEW |
|---|---|
| 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_BUILDER_H_ | 5 #ifndef MEDIA_CAST_NET_RTCP_RTCP_BUILDER_H_ |
| 6 #define MEDIA_CAST_NET_RTCP_RTCP_BUILDER_H_ | 6 #define MEDIA_CAST_NET_RTCP_RTCP_BUILDER_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 "base/big_endian.h" | 12 #include "base/big_endian.h" |
| 13 #include "media/cast/cast_config.h" | 13 #include "media/cast/cast_config.h" |
| 14 #include "media/cast/cast_defines.h" | 14 #include "media/cast/cast_defines.h" |
| 15 #include "media/cast/net/cast_transport_defines.h" | 15 #include "media/cast/net/cast_transport_defines.h" |
| 16 #include "media/cast/net/rtcp/receiver_rtcp_event_subscriber.h" | 16 #include "media/cast/net/rtcp/receiver_rtcp_event_subscriber.h" |
| 17 #include "media/cast/net/rtcp/rtcp_defines.h" | 17 #include "media/cast/net/rtcp/rtcp_defines.h" |
| 18 | 18 |
| 19 namespace media { | 19 namespace media { |
| 20 namespace cast { | 20 namespace cast { |
| 21 | 21 |
| 22 // We limit the size of receiver logs to avoid queuing up packets. | |
| 23 const size_t kMaxReceiverLogBytes = 200; | |
| 24 | |
| 25 // The determines how long to hold receiver log events, based on how | |
| 26 // many "receiver log message reports" ago the events were sent. | |
| 27 const size_t kReceiveLogMessageHistorySize = 20; | |
| 28 | |
| 29 // This determines when to send events the second time. | |
| 30 const size_t kFirstRedundancyOffset = 10; | |
| 31 COMPILE_ASSERT(kFirstRedundancyOffset > 0 && | |
| 32 kFirstRedundancyOffset <= kReceiveLogMessageHistorySize, | |
| 33 redundancy_offset_out_of_range); | |
| 34 | |
| 35 // When to send events the third time. | |
| 36 const size_t kSecondRedundancyOffset = 20; | |
| 37 COMPILE_ASSERT(kSecondRedundancyOffset > | |
| 38 kFirstRedundancyOffset && kSecondRedundancyOffset <= | |
| 39 kReceiveLogMessageHistorySize, | |
| 40 redundancy_offset_out_of_range); | |
| 41 | |
| 42 | |
| 43 class RtcpBuilder { | 22 class RtcpBuilder { |
| 44 public: | 23 public: |
| 45 explicit RtcpBuilder(uint32 sending_ssrc); | 24 explicit RtcpBuilder(uint32 sending_ssrc); |
| 46 ~RtcpBuilder(); | 25 ~RtcpBuilder(); |
| 47 | 26 |
| 48 PacketRef BuildRtcpFromReceiver( | 27 PacketRef BuildRtcpFromReceiver( |
| 49 const RtcpReportBlock* report_block, | 28 const RtcpReportBlock* report_block, |
| 50 const RtcpReceiverReferenceTimeReport* rrtr, | 29 const RtcpReceiverReferenceTimeReport* rrtr, |
| 51 const RtcpCastMessage* cast_message, | 30 const RtcpCastMessage* cast_message, |
| 52 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap* rtcp_events, | 31 const ReceiverRtcpEventSubscriber::RtcpEvents* rtcp_events, |
| 53 base::TimeDelta target_delay); | 32 base::TimeDelta target_delay); |
| 54 | 33 |
| 55 PacketRef BuildRtcpFromSender(const RtcpSenderInfo& sender_info); | 34 PacketRef BuildRtcpFromSender(const RtcpSenderInfo& sender_info); |
| 56 | 35 |
| 57 private: | 36 private: |
| 58 void AddRtcpHeader(RtcpPacketFields payload, int format_or_count); | 37 void AddRtcpHeader(RtcpPacketFields payload, int format_or_count); |
| 59 void PatchLengthField(); | 38 void PatchLengthField(); |
| 60 void AddRR(const RtcpReportBlock* report_block); | 39 void AddRR(const RtcpReportBlock* report_block); |
| 61 void AddReportBlocks(const RtcpReportBlock& report_block); | 40 void AddReportBlocks(const RtcpReportBlock& report_block); |
| 62 void AddRrtr(const RtcpReceiverReferenceTimeReport* rrtr); | 41 void AddRrtr(const RtcpReceiverReferenceTimeReport* rrtr); |
| 63 void AddCast(const RtcpCastMessage* cast_message, | 42 void AddCast(const RtcpCastMessage* cast_message, |
| 64 base::TimeDelta target_delay); | 43 base::TimeDelta target_delay); |
| 65 void AddSR(const RtcpSenderInfo& sender_info); | 44 void AddSR(const RtcpSenderInfo& sender_info); |
| 66 void AddDlrrRb(const RtcpDlrrReportBlock& dlrr); | 45 void AddDlrrRb(const RtcpDlrrReportBlock& dlrr); |
| 67 void AddReceiverLog( | 46 void AddReceiverLog( |
| 68 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap& rtcp_events); | 47 const ReceiverRtcpEventSubscriber::RtcpEvents& rtcp_events); |
| 69 | 48 |
| 70 bool GetRtcpReceiverLogMessage( | 49 bool GetRtcpReceiverLogMessage( |
| 71 const ReceiverRtcpEventSubscriber::RtcpEventMultiMap& rtcp_events, | 50 const ReceiverRtcpEventSubscriber::RtcpEvents& rtcp_events, |
| 72 RtcpReceiverLogMessage* receiver_log_message, | 51 RtcpReceiverLogMessage* receiver_log_message, |
| 73 size_t* total_number_of_messages_to_send); | 52 size_t* total_number_of_messages_to_send); |
| 74 | 53 |
| 75 void Start(); | 54 void Start(); |
| 76 PacketRef Finish(); | 55 PacketRef Finish(); |
| 77 | 56 |
| 78 base::BigEndianWriter writer_; | 57 base::BigEndianWriter writer_; |
| 79 const uint32 ssrc_; | 58 const uint32 ssrc_; |
| 80 char* ptr_of_length_; | 59 char* ptr_of_length_; |
| 81 PacketRef packet_; | 60 PacketRef packet_; |
| 82 std::deque<RtcpReceiverLogMessage> rtcp_events_history_; | |
|
miu
2014/12/04 04:18:54
Nice clean-up of the RtcpEventsMultiMap foo, BTW!
hubbe
2014/12/05 23:57:20
Acknowledged.
| |
| 83 | 61 |
| 84 DISALLOW_COPY_AND_ASSIGN(RtcpBuilder); | 62 DISALLOW_COPY_AND_ASSIGN(RtcpBuilder); |
| 85 }; | 63 }; |
| 86 | 64 |
| 87 } // namespace cast | 65 } // namespace cast |
| 88 } // namespace media | 66 } // namespace media |
| 89 | 67 |
| 90 #endif // MEDIA_CAST_NET_RTCP_RTCP_SENDER_H_ | 68 #endif // MEDIA_CAST_NET_RTCP_RTCP_SENDER_H_ |
| OLD | NEW |