niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 1 | /* |
pwestin@webrtc.org | f6bb77a | 2012-01-24 17:16:59 +0000 | [diff] [blame] | 2 | * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
pbos@webrtc.org | a048d7c | 2013-05-29 14:27:38 +0000 | [diff] [blame] | 11 | #include "webrtc/modules/rtp_rtcp/source/rtcp_sender.h" |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 12 | |
pbos@webrtc.org | 12dc1a3 | 2013-08-05 16:22:53 +0000 | [diff] [blame] | 13 | #include <assert.h> // assert |
| 14 | #include <stdlib.h> // rand |
stefan@webrtc.org | 9354cc9 | 2012-06-07 08:10:14 +0000 | [diff] [blame] | 15 | #include <string.h> // memcpy |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 16 | |
pbos@webrtc.org | 12dc1a3 | 2013-08-05 16:22:53 +0000 | [diff] [blame] | 17 | #include <algorithm> // min |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 18 | #include <limits> // max |
pbos@webrtc.org | 12dc1a3 | 2013-08-05 16:22:53 +0000 | [diff] [blame] | 19 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 20 | #include "webrtc/base/checks.h" |
Peter Boström | ebc0b4e | 2015-10-28 16:39:33 +0100 | [diff] [blame] | 21 | #include "webrtc/base/logging.h" |
tommi | e4f9650 | 2015-10-20 23:00:48 -0700 | [diff] [blame] | 22 | #include "webrtc/base/trace_event.h" |
pbos@webrtc.org | a048d7c | 2013-05-29 14:27:38 +0000 | [diff] [blame] | 23 | #include "webrtc/common_types.h" |
sprang@webrtc.org | 779c3d1 | 2015-03-17 16:42:49 +0000 | [diff] [blame] | 24 | #include "webrtc/modules/rtp_rtcp/source/byte_io.h" |
danilchap | 0219c9b | 2015-11-18 05:56:53 -0800 | [diff] [blame] | 25 | #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/app.h" |
danilchap | 50c5136 | 2015-11-22 09:03:11 -0800 | [diff] [blame] | 26 | #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/bye.h" |
danilchap | f8385ad | 2015-11-27 05:36:09 -0800 | [diff] [blame] | 27 | #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/pli.h" |
Danil Chapovalov | 97f7e13 | 2015-12-04 16:13:30 +0100 | [diff] [blame^] | 28 | #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/receiver_report.h" |
sprang | 233bd87 | 2015-09-08 13:25:16 -0700 | [diff] [blame] | 29 | #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/transport_feedback.h" |
tommi | e4f9650 | 2015-10-20 23:00:48 -0700 | [diff] [blame] | 30 | #include "webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.h" |
Henrik Kjellander | 98f5351 | 2015-10-28 18:17:40 +0100 | [diff] [blame] | 31 | #include "webrtc/system_wrappers/include/critical_section_wrapper.h" |
pwestin@webrtc.org | 741da94 | 2011-09-20 13:52:04 +0000 | [diff] [blame] | 32 | |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 33 | namespace webrtc { |
pwestin@webrtc.org | 26f8d9c | 2012-01-19 15:53:09 +0000 | [diff] [blame] | 34 | |
| 35 | using RTCPUtility::RTCPCnameInformation; |
| 36 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 37 | NACKStringBuilder::NACKStringBuilder() |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 38 | : stream_(""), count_(0), prevNack_(0), consecutive_(false) { |
edjee@google.com | 79b0289 | 2013-04-04 19:43:34 +0000 | [diff] [blame] | 39 | } |
| 40 | |
pbos@webrtc.org | f3e4cee | 2013-07-31 15:17:19 +0000 | [diff] [blame] | 41 | NACKStringBuilder::~NACKStringBuilder() {} |
| 42 | |
pbos@webrtc.org | 2f44673 | 2013-04-08 11:08:41 +0000 | [diff] [blame] | 43 | void NACKStringBuilder::PushNACK(uint16_t nack) |
edjee@google.com | 79b0289 | 2013-04-04 19:43:34 +0000 | [diff] [blame] | 44 | { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 45 | if (count_ == 0) { |
| 46 | stream_ << nack; |
| 47 | } else if (nack == prevNack_ + 1) { |
| 48 | consecutive_ = true; |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 49 | } else { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 50 | if (consecutive_) { |
| 51 | stream_ << "-" << prevNack_; |
| 52 | consecutive_ = false; |
edjee@google.com | 79b0289 | 2013-04-04 19:43:34 +0000 | [diff] [blame] | 53 | } |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 54 | stream_ << "," << nack; |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 55 | } |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 56 | count_++; |
| 57 | prevNack_ = nack; |
edjee@google.com | 79b0289 | 2013-04-04 19:43:34 +0000 | [diff] [blame] | 58 | } |
| 59 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 60 | std::string NACKStringBuilder::GetResult() { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 61 | if (consecutive_) { |
| 62 | stream_ << "-" << prevNack_; |
| 63 | consecutive_ = false; |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 64 | } |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 65 | return stream_.str(); |
edjee@google.com | 79b0289 | 2013-04-04 19:43:34 +0000 | [diff] [blame] | 66 | } |
| 67 | |
pbos@webrtc.org | 59f20bb | 2013-09-09 16:02:19 +0000 | [diff] [blame] | 68 | RTCPSender::FeedbackState::FeedbackState() |
| 69 | : send_payload_type(0), |
| 70 | frequency_hz(0), |
pbos@webrtc.org | 2f4b14e | 2014-07-15 15:25:39 +0000 | [diff] [blame] | 71 | packets_sent(0), |
| 72 | media_bytes_sent(0), |
pbos@webrtc.org | 59f20bb | 2013-09-09 16:02:19 +0000 | [diff] [blame] | 73 | send_bitrate(0), |
| 74 | last_rr_ntp_secs(0), |
| 75 | last_rr_ntp_frac(0), |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 76 | remote_sr(0), |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 77 | has_last_xr_rr(false), |
| 78 | module(nullptr) { |
| 79 | } |
pbos@webrtc.org | 59f20bb | 2013-09-09 16:02:19 +0000 | [diff] [blame] | 80 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 81 | class PacketContainer : public rtcp::Empty, |
| 82 | public rtcp::RtcpPacket::PacketReadyCallback { |
| 83 | public: |
| 84 | explicit PacketContainer(Transport* transport) |
| 85 | : transport_(transport), bytes_sent_(0) {} |
| 86 | virtual ~PacketContainer() { |
| 87 | for (RtcpPacket* packet : appended_packets_) |
| 88 | delete packet; |
| 89 | } |
| 90 | |
| 91 | void OnPacketReady(uint8_t* data, size_t length) override { |
| 92 | if (transport_->SendRtcp(data, length)) |
| 93 | bytes_sent_ += length; |
| 94 | } |
| 95 | |
| 96 | size_t SendPackets() { |
| 97 | rtcp::Empty::Build(this); |
| 98 | return bytes_sent_; |
| 99 | } |
| 100 | |
| 101 | private: |
| 102 | Transport* transport_; |
| 103 | size_t bytes_sent_; |
| 104 | }; |
| 105 | |
| 106 | class RTCPSender::RtcpContext { |
| 107 | public: |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 108 | RtcpContext(const FeedbackState& feedback_state, |
| 109 | int32_t nack_size, |
| 110 | const uint16_t* nack_list, |
| 111 | bool repeat, |
| 112 | uint64_t picture_id, |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 113 | uint32_t ntp_sec, |
| 114 | uint32_t ntp_frac, |
| 115 | PacketContainer* container) |
| 116 | : feedback_state_(feedback_state), |
| 117 | nack_size_(nack_size), |
| 118 | nack_list_(nack_list), |
| 119 | repeat_(repeat), |
| 120 | picture_id_(picture_id), |
| 121 | ntp_sec_(ntp_sec), |
| 122 | ntp_frac_(ntp_frac), |
| 123 | container_(container) {} |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 124 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 125 | virtual ~RtcpContext() {} |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 126 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 127 | const FeedbackState& feedback_state_; |
| 128 | const int32_t nack_size_; |
| 129 | const uint16_t* nack_list_; |
| 130 | const bool repeat_; |
| 131 | const uint64_t picture_id_; |
| 132 | const uint32_t ntp_sec_; |
| 133 | const uint32_t ntp_frac_; |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 134 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 135 | PacketContainer* const container_; |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 136 | }; |
| 137 | |
pbos@webrtc.org | 1d0fa5d | 2015-02-19 12:47:00 +0000 | [diff] [blame] | 138 | RTCPSender::RTCPSender( |
pbos@webrtc.org | 1d0fa5d | 2015-02-19 12:47:00 +0000 | [diff] [blame] | 139 | bool audio, |
| 140 | Clock* clock, |
| 141 | ReceiveStatistics* receive_statistics, |
sprang | 86fd9ed | 2015-09-29 04:45:43 -0700 | [diff] [blame] | 142 | RtcpPacketTypeCounterObserver* packet_type_counter_observer, |
| 143 | Transport* outgoing_transport) |
Peter Boström | ac547a6 | 2015-09-17 23:03:57 +0200 | [diff] [blame] | 144 | : audio_(audio), |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 145 | clock_(clock), |
pbos | da903ea | 2015-10-02 02:36:56 -0700 | [diff] [blame] | 146 | method_(RtcpMode::kOff), |
sprang | 86fd9ed | 2015-09-29 04:45:43 -0700 | [diff] [blame] | 147 | transport_(outgoing_transport), |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 148 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 149 | critical_section_rtcp_sender_( |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 150 | CriticalSectionWrapper::CreateCriticalSection()), |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 151 | using_nack_(false), |
| 152 | sending_(false), |
| 153 | remb_enabled_(false), |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 154 | next_time_to_send_rtcp_(0), |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 155 | start_timestamp_(0), |
| 156 | last_rtp_timestamp_(0), |
| 157 | last_frame_capture_time_ms_(-1), |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 158 | ssrc_(0), |
| 159 | remote_ssrc_(0), |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 160 | receive_statistics_(receive_statistics), |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 161 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 162 | sequence_number_fir_(0), |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 163 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 164 | remb_bitrate_(0), |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 165 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 166 | tmmbr_help_(), |
| 167 | tmmbr_send_(0), |
| 168 | packet_oh_send_(0), |
pwestin@webrtc.org | 741da94 | 2011-09-20 13:52:04 +0000 | [diff] [blame] | 169 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 170 | app_sub_type_(0), |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 171 | app_name_(0), |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 172 | app_data_(nullptr), |
| 173 | app_length_(0), |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 174 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 175 | xr_send_receiver_reference_time_enabled_(false), |
pbos@webrtc.org | 1d0fa5d | 2015-02-19 12:47:00 +0000 | [diff] [blame] | 176 | packet_type_counter_observer_(packet_type_counter_observer) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 177 | memset(last_send_report_, 0, sizeof(last_send_report_)); |
| 178 | memset(last_rtcp_time_, 0, sizeof(last_rtcp_time_)); |
sprang | 86fd9ed | 2015-09-29 04:45:43 -0700 | [diff] [blame] | 179 | RTC_DCHECK(transport_ != nullptr); |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 180 | |
| 181 | builders_[kRtcpSr] = &RTCPSender::BuildSR; |
| 182 | builders_[kRtcpRr] = &RTCPSender::BuildRR; |
Erik Språng | 0ea42d3 | 2015-06-25 14:46:16 +0200 | [diff] [blame] | 183 | builders_[kRtcpSdes] = &RTCPSender::BuildSDES; |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 184 | builders_[kRtcpPli] = &RTCPSender::BuildPLI; |
| 185 | builders_[kRtcpFir] = &RTCPSender::BuildFIR; |
| 186 | builders_[kRtcpSli] = &RTCPSender::BuildSLI; |
| 187 | builders_[kRtcpRpsi] = &RTCPSender::BuildRPSI; |
| 188 | builders_[kRtcpRemb] = &RTCPSender::BuildREMB; |
| 189 | builders_[kRtcpBye] = &RTCPSender::BuildBYE; |
| 190 | builders_[kRtcpApp] = &RTCPSender::BuildAPP; |
| 191 | builders_[kRtcpTmmbr] = &RTCPSender::BuildTMMBR; |
| 192 | builders_[kRtcpTmmbn] = &RTCPSender::BuildTMMBN; |
| 193 | builders_[kRtcpNack] = &RTCPSender::BuildNACK; |
| 194 | builders_[kRtcpXrVoipMetric] = &RTCPSender::BuildVoIPMetric; |
| 195 | builders_[kRtcpXrReceiverReferenceTime] = |
| 196 | &RTCPSender::BuildReceiverReferenceTime; |
| 197 | builders_[kRtcpXrDlrrReportBlock] = &RTCPSender::BuildDlrr; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 198 | } |
| 199 | |
pwestin@webrtc.org | 26f8d9c | 2012-01-19 15:53:09 +0000 | [diff] [blame] | 200 | RTCPSender::~RTCPSender() { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 201 | } |
| 202 | |
pbos | da903ea | 2015-10-02 02:36:56 -0700 | [diff] [blame] | 203 | RtcpMode RTCPSender::Status() const { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 204 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
| 205 | return method_; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 206 | } |
| 207 | |
pbos | da903ea | 2015-10-02 02:36:56 -0700 | [diff] [blame] | 208 | void RTCPSender::SetRTCPStatus(RtcpMode method) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 209 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
| 210 | method_ = method; |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 211 | |
pbos | da903ea | 2015-10-02 02:36:56 -0700 | [diff] [blame] | 212 | if (method == RtcpMode::kOff) |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 213 | return; |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 214 | next_time_to_send_rtcp_ = |
| 215 | clock_->TimeInMilliseconds() + |
| 216 | (audio_ ? RTCP_INTERVAL_AUDIO_MS / 2 : RTCP_INTERVAL_VIDEO_MS / 2); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 217 | } |
| 218 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 219 | bool RTCPSender::Sending() const { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 220 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
| 221 | return sending_; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 222 | } |
| 223 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 224 | int32_t RTCPSender::SetSendingStatus(const FeedbackState& feedback_state, |
| 225 | bool sending) { |
| 226 | bool sendRTCPBye = false; |
| 227 | { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 228 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 229 | |
pbos | da903ea | 2015-10-02 02:36:56 -0700 | [diff] [blame] | 230 | if (method_ != RtcpMode::kOff) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 231 | if (sending == false && sending_ == true) { |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 232 | // Trigger RTCP bye |
| 233 | sendRTCPBye = true; |
| 234 | } |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 235 | } |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 236 | sending_ = sending; |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 237 | } |
| 238 | if (sendRTCPBye) |
| 239 | return SendRTCP(feedback_state, kRtcpBye); |
| 240 | return 0; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 241 | } |
| 242 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 243 | bool RTCPSender::REMB() const { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 244 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
| 245 | return remb_enabled_; |
pwestin@webrtc.org | 741da94 | 2011-09-20 13:52:04 +0000 | [diff] [blame] | 246 | } |
| 247 | |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 248 | void RTCPSender::SetREMBStatus(bool enable) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 249 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
| 250 | remb_enabled_ = enable; |
pwestin@webrtc.org | 741da94 | 2011-09-20 13:52:04 +0000 | [diff] [blame] | 251 | } |
| 252 | |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 253 | void RTCPSender::SetREMBData(uint32_t bitrate, |
| 254 | const std::vector<uint32_t>& ssrcs) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 255 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
| 256 | remb_bitrate_ = bitrate; |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 257 | remb_ssrcs_ = ssrcs; |
stefan@webrtc.org | 4ef438e | 2014-07-11 09:55:30 +0000 | [diff] [blame] | 258 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 259 | if (remb_enabled_) |
| 260 | SetFlag(kRtcpRemb, false); |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 261 | // Send a REMB immediately if we have a new REMB. The frequency of REMBs is |
| 262 | // throttled by the caller. |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 263 | next_time_to_send_rtcp_ = clock_->TimeInMilliseconds(); |
pwestin@webrtc.org | 741da94 | 2011-09-20 13:52:04 +0000 | [diff] [blame] | 264 | } |
| 265 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 266 | bool RTCPSender::TMMBR() const { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 267 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
| 268 | return IsFlagPresent(RTCPPacketType::kRtcpTmmbr); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 269 | } |
| 270 | |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 271 | void RTCPSender::SetTMMBRStatus(bool enable) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 272 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
| 273 | if (enable) { |
| 274 | SetFlag(RTCPPacketType::kRtcpTmmbr, false); |
| 275 | } else { |
| 276 | ConsumeFlag(RTCPPacketType::kRtcpTmmbr, true); |
| 277 | } |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 278 | } |
| 279 | |
stefan@webrtc.org | 7c3523c | 2012-09-11 07:00:42 +0000 | [diff] [blame] | 280 | void RTCPSender::SetStartTimestamp(uint32_t start_timestamp) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 281 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
stefan@webrtc.org | 7c3523c | 2012-09-11 07:00:42 +0000 | [diff] [blame] | 282 | start_timestamp_ = start_timestamp; |
| 283 | } |
| 284 | |
| 285 | void RTCPSender::SetLastRtpTime(uint32_t rtp_timestamp, |
| 286 | int64_t capture_time_ms) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 287 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
stefan@webrtc.org | 7c3523c | 2012-09-11 07:00:42 +0000 | [diff] [blame] | 288 | last_rtp_timestamp_ = rtp_timestamp; |
| 289 | if (capture_time_ms < 0) { |
| 290 | // We don't currently get a capture time from VoiceEngine. |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 291 | last_frame_capture_time_ms_ = clock_->TimeInMilliseconds(); |
stefan@webrtc.org | 7c3523c | 2012-09-11 07:00:42 +0000 | [diff] [blame] | 292 | } else { |
| 293 | last_frame_capture_time_ms_ = capture_time_ms; |
| 294 | } |
| 295 | } |
| 296 | |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 297 | void RTCPSender::SetSSRC(uint32_t ssrc) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 298 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 299 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 300 | if (ssrc_ != 0) { |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 301 | // not first SetSSRC, probably due to a collision |
| 302 | // schedule a new RTCP report |
| 303 | // make sure that we send a RTP packet |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 304 | next_time_to_send_rtcp_ = clock_->TimeInMilliseconds() + 100; |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 305 | } |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 306 | ssrc_ = ssrc; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 307 | } |
| 308 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 309 | void RTCPSender::SetRemoteSSRC(uint32_t ssrc) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 310 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
| 311 | remote_ssrc_ = ssrc; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 312 | } |
| 313 | |
Peter Boström | 9ba52f8 | 2015-06-01 14:12:28 +0200 | [diff] [blame] | 314 | int32_t RTCPSender::SetCNAME(const char* c_name) { |
| 315 | if (!c_name) |
tommi@webrtc.org | a990e12 | 2012-04-26 15:28:22 +0000 | [diff] [blame] | 316 | return -1; |
| 317 | |
henrikg | 91d6ede | 2015-09-17 00:24:34 -0700 | [diff] [blame] | 318 | RTC_DCHECK_LT(strlen(c_name), static_cast<size_t>(RTCP_CNAME_SIZE)); |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 319 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
Erik Språng | 0ea42d3 | 2015-06-25 14:46:16 +0200 | [diff] [blame] | 320 | cname_ = c_name; |
pwestin@webrtc.org | f6bb77a | 2012-01-24 17:16:59 +0000 | [diff] [blame] | 321 | return 0; |
| 322 | } |
| 323 | |
Erik Språng | 0ea42d3 | 2015-06-25 14:46:16 +0200 | [diff] [blame] | 324 | int32_t RTCPSender::AddMixedCNAME(uint32_t SSRC, const char* c_name) { |
| 325 | assert(c_name); |
henrikg | 91d6ede | 2015-09-17 00:24:34 -0700 | [diff] [blame] | 326 | RTC_DCHECK_LT(strlen(c_name), static_cast<size_t>(RTCP_CNAME_SIZE)); |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 327 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
Erik Språng | 0ea42d3 | 2015-06-25 14:46:16 +0200 | [diff] [blame] | 328 | if (csrc_cnames_.size() >= kRtpCsrcSize) |
pwestin@webrtc.org | 26f8d9c | 2012-01-19 15:53:09 +0000 | [diff] [blame] | 329 | return -1; |
Erik Språng | 0ea42d3 | 2015-06-25 14:46:16 +0200 | [diff] [blame] | 330 | |
| 331 | csrc_cnames_[SSRC] = c_name; |
pwestin@webrtc.org | 26f8d9c | 2012-01-19 15:53:09 +0000 | [diff] [blame] | 332 | return 0; |
| 333 | } |
| 334 | |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 335 | int32_t RTCPSender::RemoveMixedCNAME(uint32_t SSRC) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 336 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
Erik Språng | 0ea42d3 | 2015-06-25 14:46:16 +0200 | [diff] [blame] | 337 | auto it = csrc_cnames_.find(SSRC); |
pwestin@webrtc.org | 26f8d9c | 2012-01-19 15:53:09 +0000 | [diff] [blame] | 338 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 339 | if (it == csrc_cnames_.end()) |
pwestin@webrtc.org | 26f8d9c | 2012-01-19 15:53:09 +0000 | [diff] [blame] | 340 | return -1; |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 341 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 342 | csrc_cnames_.erase(it); |
pwestin@webrtc.org | 26f8d9c | 2012-01-19 15:53:09 +0000 | [diff] [blame] | 343 | return 0; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 344 | } |
| 345 | |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 346 | bool RTCPSender::TimeToSendRTCPReport(bool sendKeyframeBeforeRTP) const { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 347 | /* |
| 348 | For audio we use a fix 5 sec interval |
| 349 | |
| 350 | For video we use 1 sec interval fo a BW smaller than 360 kbit/s, |
stefan@webrtc.org | 9d4762e | 2014-03-24 17:13:00 +0000 | [diff] [blame] | 351 | technicaly we break the max 5% RTCP BW for video below 10 kbit/s but |
| 352 | that should be extremely rare |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 353 | |
| 354 | |
| 355 | From RFC 3550 |
| 356 | |
| 357 | MAX RTCP BW is 5% if the session BW |
| 358 | A send report is approximately 65 bytes inc CNAME |
stefan@webrtc.org | 9d4762e | 2014-03-24 17:13:00 +0000 | [diff] [blame] | 359 | A receiver report is approximately 28 bytes |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 360 | |
| 361 | The RECOMMENDED value for the reduced minimum in seconds is 360 |
| 362 | divided by the session bandwidth in kilobits/second. This minimum |
| 363 | is smaller than 5 seconds for bandwidths greater than 72 kb/s. |
| 364 | |
| 365 | If the participant has not yet sent an RTCP packet (the variable |
| 366 | initial is true), the constant Tmin is set to 2.5 seconds, else it |
| 367 | is set to 5 seconds. |
| 368 | |
| 369 | The interval between RTCP packets is varied randomly over the |
| 370 | range [0.5,1.5] times the calculated interval to avoid unintended |
| 371 | synchronization of all participants |
| 372 | |
| 373 | if we send |
| 374 | If the participant is a sender (we_sent true), the constant C is |
| 375 | set to the average RTCP packet size (avg_rtcp_size) divided by 25% |
| 376 | of the RTCP bandwidth (rtcp_bw), and the constant n is set to the |
| 377 | number of senders. |
| 378 | |
| 379 | if we receive only |
| 380 | If we_sent is not true, the constant C is set |
| 381 | to the average RTCP packet size divided by 75% of the RTCP |
| 382 | bandwidth. The constant n is set to the number of receivers |
| 383 | (members - senders). If the number of senders is greater than |
| 384 | 25%, senders and receivers are treated together. |
| 385 | |
| 386 | reconsideration NOT required for peer-to-peer |
| 387 | "timer reconsideration" is |
| 388 | employed. This algorithm implements a simple back-off mechanism |
| 389 | which causes users to hold back RTCP packet transmission if the |
| 390 | group sizes are increasing. |
| 391 | |
| 392 | n = number of members |
| 393 | C = avg_size/(rtcpBW/4) |
| 394 | |
| 395 | 3. The deterministic calculated interval Td is set to max(Tmin, n*C). |
| 396 | |
| 397 | 4. The calculated interval T is set to a number uniformly distributed |
| 398 | between 0.5 and 1.5 times the deterministic calculated interval. |
| 399 | |
| 400 | 5. The resulting value of T is divided by e-3/2=1.21828 to compensate |
| 401 | for the fact that the timer reconsideration algorithm converges to |
| 402 | a value of the RTCP bandwidth below the intended average |
| 403 | */ |
| 404 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 405 | int64_t now = clock_->TimeInMilliseconds(); |
xians@webrtc.org | 8738d27 | 2011-11-25 13:43:53 +0000 | [diff] [blame] | 406 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 407 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
xians@webrtc.org | 8738d27 | 2011-11-25 13:43:53 +0000 | [diff] [blame] | 408 | |
pbos | da903ea | 2015-10-02 02:36:56 -0700 | [diff] [blame] | 409 | if (method_ == RtcpMode::kOff) |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 410 | return false; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 411 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 412 | if (!audio_ && sendKeyframeBeforeRTP) { |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 413 | // for video key-frames we want to send the RTCP before the large key-frame |
| 414 | // if we have a 100 ms margin |
| 415 | now += RTCP_SEND_BEFORE_KEY_FRAME_MS; |
| 416 | } |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 417 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 418 | if (now >= next_time_to_send_rtcp_) { |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 419 | return true; |
| 420 | } else if (now < 0x0000ffff && |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 421 | next_time_to_send_rtcp_ > 0xffff0000) { // 65 sec margin |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 422 | // wrap |
| 423 | return true; |
| 424 | } |
| 425 | return false; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 426 | } |
| 427 | |
pkasting@chromium.org | 16825b1 | 2015-01-12 21:51:21 +0000 | [diff] [blame] | 428 | int64_t RTCPSender::SendTimeOfSendReport(uint32_t sendReport) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 429 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 430 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 431 | // This is only saved when we are the sender |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 432 | if ((last_send_report_[0] == 0) || (sendReport == 0)) { |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 433 | return 0; // will be ignored |
| 434 | } else { |
| 435 | for (int i = 0; i < RTCP_NUMBER_OF_SR; ++i) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 436 | if (last_send_report_[i] == sendReport) |
| 437 | return last_rtcp_time_[i]; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 438 | } |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 439 | } |
| 440 | return 0; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 441 | } |
| 442 | |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 443 | bool RTCPSender::SendTimeOfXrRrReport(uint32_t mid_ntp, |
| 444 | int64_t* time_ms) const { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 445 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 446 | |
| 447 | if (last_xr_rr_.empty()) { |
| 448 | return false; |
| 449 | } |
| 450 | std::map<uint32_t, int64_t>::const_iterator it = last_xr_rr_.find(mid_ntp); |
| 451 | if (it == last_xr_rr_.end()) { |
| 452 | return false; |
| 453 | } |
| 454 | *time_ms = it->second; |
| 455 | return true; |
| 456 | } |
| 457 | |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 458 | int32_t RTCPSender::AddReportBlock(const RTCPReportBlock& report_block) { |
| 459 | if (report_blocks_.size() >= RTCP_MAX_REPORT_BLOCKS) { |
andresp@webrtc.org | dc80bae | 2014-04-08 11:06:12 +0000 | [diff] [blame] | 460 | LOG(LS_WARNING) << "Too many report blocks."; |
pwestin@webrtc.org | 26f8d9c | 2012-01-19 15:53:09 +0000 | [diff] [blame] | 461 | return -1; |
| 462 | } |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 463 | rtcp::ReportBlock* block = &report_blocks_[report_block.remoteSSRC]; |
| 464 | block->To(report_block.remoteSSRC); |
| 465 | block->WithFractionLost(report_block.fractionLost); |
danilchap | df948f0 | 2015-11-13 03:03:13 -0800 | [diff] [blame] | 466 | if (!block->WithCumulativeLost(report_block.cumulativeLost)) { |
| 467 | LOG(LS_WARNING) << "Cumulative lost is oversized."; |
| 468 | return -1; |
| 469 | } |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 470 | block->WithExtHighestSeqNum(report_block.extendedHighSeqNum); |
| 471 | block->WithJitter(report_block.jitter); |
| 472 | block->WithLastSr(report_block.lastSR); |
| 473 | block->WithDelayLastSr(report_block.delaySinceLastSR); |
| 474 | |
pwestin@webrtc.org | 26f8d9c | 2012-01-19 15:53:09 +0000 | [diff] [blame] | 475 | return 0; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 476 | } |
| 477 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 478 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildSR(const RtcpContext& ctx) { |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 479 | for (int i = (RTCP_NUMBER_OF_SR - 2); i >= 0; i--) { |
| 480 | // shift old |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 481 | last_send_report_[i + 1] = last_send_report_[i]; |
| 482 | last_rtcp_time_[i + 1] = last_rtcp_time_[i]; |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 483 | } |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 484 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 485 | last_rtcp_time_[0] = Clock::NtpToMs(ctx.ntp_sec_, ctx.ntp_frac_); |
| 486 | last_send_report_[0] = (ctx.ntp_sec_ << 16) + (ctx.ntp_frac_ >> 16); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 487 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 488 | // The timestamp of this RTCP packet should be estimated as the timestamp of |
| 489 | // the frame being captured at this moment. We are calculating that |
| 490 | // timestamp as the last frame's timestamp + the time since the last frame |
| 491 | // was captured. |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 492 | uint32_t rtp_timestamp = |
| 493 | start_timestamp_ + last_rtp_timestamp_ + |
| 494 | (clock_->TimeInMilliseconds() - last_frame_capture_time_ms_) * |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 495 | (ctx.feedback_state_.frequency_hz / 1000); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 496 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 497 | rtcp::SenderReport* report = new rtcp::SenderReport(); |
| 498 | report->From(ssrc_); |
| 499 | report->WithNtpSec(ctx.ntp_sec_); |
| 500 | report->WithNtpFrac(ctx.ntp_frac_); |
| 501 | report->WithRtpTimestamp(rtp_timestamp); |
| 502 | report->WithPacketCount(ctx.feedback_state_.packets_sent); |
| 503 | report->WithOctetCount(ctx.feedback_state_.media_bytes_sent); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 504 | |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 505 | for (auto it : report_blocks_) |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 506 | report->WithReportBlock(it.second); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 507 | |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 508 | report_blocks_.clear(); |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 509 | |
| 510 | return rtc::scoped_ptr<rtcp::SenderReport>(report); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 511 | } |
| 512 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 513 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildSDES( |
| 514 | const RtcpContext& ctx) { |
Erik Språng | 0ea42d3 | 2015-06-25 14:46:16 +0200 | [diff] [blame] | 515 | size_t length_cname = cname_.length(); |
henrikg | 91d6ede | 2015-09-17 00:24:34 -0700 | [diff] [blame] | 516 | RTC_CHECK_LT(length_cname, static_cast<size_t>(RTCP_CNAME_SIZE)); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 517 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 518 | rtcp::Sdes* sdes = new rtcp::Sdes(); |
| 519 | sdes->WithCName(ssrc_, cname_); |
Erik Språng | 0ea42d3 | 2015-06-25 14:46:16 +0200 | [diff] [blame] | 520 | |
| 521 | for (const auto it : csrc_cnames_) |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 522 | sdes->WithCName(it.first, it.second); |
Erik Språng | 0ea42d3 | 2015-06-25 14:46:16 +0200 | [diff] [blame] | 523 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 524 | return rtc::scoped_ptr<rtcp::Sdes>(sdes); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 525 | } |
| 526 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 527 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildRR(const RtcpContext& ctx) { |
| 528 | rtcp::ReceiverReport* report = new rtcp::ReceiverReport(); |
| 529 | report->From(ssrc_); |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 530 | for (auto it : report_blocks_) |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 531 | report->WithReportBlock(it.second); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 532 | |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 533 | report_blocks_.clear(); |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 534 | return rtc::scoped_ptr<rtcp::ReceiverReport>(report); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 535 | } |
| 536 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 537 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildPLI(const RtcpContext& ctx) { |
| 538 | rtcp::Pli* pli = new rtcp::Pli(); |
| 539 | pli->From(ssrc_); |
| 540 | pli->To(remote_ssrc_); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 541 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 542 | TRACE_EVENT_INSTANT0(TRACE_DISABLED_BY_DEFAULT("webrtc_rtp"), |
| 543 | "RTCPSender::PLI"); |
| 544 | ++packet_type_counter_.pli_packets; |
| 545 | TRACE_COUNTER_ID1(TRACE_DISABLED_BY_DEFAULT("webrtc_rtp"), "RTCP_PLICount", |
| 546 | ssrc_, packet_type_counter_.pli_packets); |
| 547 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 548 | return rtc::scoped_ptr<rtcp::Pli>(pli); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 549 | } |
| 550 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 551 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildFIR(const RtcpContext& ctx) { |
| 552 | if (!ctx.repeat_) |
sprang | 62dae19 | 2015-08-05 02:35:35 -0700 | [diff] [blame] | 553 | ++sequence_number_fir_; // Do not increase if repetition. |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 554 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 555 | rtcp::Fir* fir = new rtcp::Fir(); |
| 556 | fir->From(ssrc_); |
| 557 | fir->To(remote_ssrc_); |
| 558 | fir->WithCommandSeqNum(sequence_number_fir_); |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 559 | |
| 560 | TRACE_EVENT_INSTANT0(TRACE_DISABLED_BY_DEFAULT("webrtc_rtp"), |
| 561 | "RTCPSender::FIR"); |
| 562 | ++packet_type_counter_.fir_packets; |
| 563 | TRACE_COUNTER_ID1(TRACE_DISABLED_BY_DEFAULT("webrtc_rtp"), "RTCP_FIRCount", |
| 564 | ssrc_, packet_type_counter_.fir_packets); |
| 565 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 566 | return rtc::scoped_ptr<rtcp::Fir>(fir); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 567 | } |
| 568 | |
| 569 | /* |
| 570 | 0 1 2 3 |
| 571 | 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
| 572 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 573 | | First | Number | PictureID | |
| 574 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 575 | */ |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 576 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildSLI(const RtcpContext& ctx) { |
| 577 | rtcp::Sli* sli = new rtcp::Sli(); |
| 578 | sli->From(ssrc_); |
| 579 | sli->To(remote_ssrc_); |
sprang | 0365a27 | 2015-08-11 01:02:37 -0700 | [diff] [blame] | 580 | // Crop picture id to 6 least significant bits. |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 581 | sli->WithPictureId(ctx.picture_id_ & 0x3F); |
| 582 | sli->WithFirstMb(0); |
| 583 | sli->WithNumberOfMb(0x1FFF); // 13 bits, only ones for now. |
sprang | 0365a27 | 2015-08-11 01:02:37 -0700 | [diff] [blame] | 584 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 585 | return rtc::scoped_ptr<rtcp::Sli>(sli); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 586 | } |
| 587 | |
| 588 | /* |
| 589 | 0 1 2 3 |
| 590 | 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
| 591 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 592 | | PB |0| Payload Type| Native RPSI bit string | |
| 593 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 594 | | defined per codec ... | Padding (0) | |
| 595 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 596 | */ |
| 597 | /* |
| 598 | * Note: not generic made for VP8 |
| 599 | */ |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 600 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildRPSI( |
| 601 | const RtcpContext& ctx) { |
| 602 | if (ctx.feedback_state_.send_payload_type == 0xFF) |
| 603 | return nullptr; |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 604 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 605 | rtcp::Rpsi* rpsi = new rtcp::Rpsi(); |
| 606 | rpsi->From(ssrc_); |
| 607 | rpsi->To(remote_ssrc_); |
| 608 | rpsi->WithPayloadType(ctx.feedback_state_.send_payload_type); |
| 609 | rpsi->WithPictureId(ctx.picture_id_); |
sprang | cf7f54d | 2015-08-13 04:37:42 -0700 | [diff] [blame] | 610 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 611 | return rtc::scoped_ptr<rtcp::Rpsi>(rpsi); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 612 | } |
| 613 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 614 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildREMB( |
| 615 | const RtcpContext& ctx) { |
| 616 | rtcp::Remb* remb = new rtcp::Remb(); |
| 617 | remb->From(ssrc_); |
sprang | dd4edc5 | 2015-08-21 04:21:51 -0700 | [diff] [blame] | 618 | for (uint32_t ssrc : remb_ssrcs_) |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 619 | remb->AppliesTo(ssrc); |
| 620 | remb->WithBitrateBps(remb_bitrate_); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 621 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 622 | TRACE_EVENT_INSTANT0(TRACE_DISABLED_BY_DEFAULT("webrtc_rtp"), |
| 623 | "RTCPSender::REMB"); |
| 624 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 625 | return rtc::scoped_ptr<rtcp::Remb>(remb); |
pwestin@webrtc.org | 741da94 | 2011-09-20 13:52:04 +0000 | [diff] [blame] | 626 | } |
| 627 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 628 | void RTCPSender::SetTargetBitrate(unsigned int target_bitrate) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 629 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
| 630 | tmmbr_send_ = target_bitrate / 1000; |
mflodman@webrtc.org | 117c119 | 2012-01-13 08:52:58 +0000 | [diff] [blame] | 631 | } |
| 632 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 633 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildTMMBR( |
| 634 | const RtcpContext& ctx) { |
| 635 | if (ctx.feedback_state_.module == nullptr) |
| 636 | return nullptr; |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 637 | // Before sending the TMMBR check the received TMMBN, only an owner is |
| 638 | // allowed to raise the bitrate: |
| 639 | // * If the sender is an owner of the TMMBN -> send TMMBR |
| 640 | // * If not an owner but the TMMBR would enter the TMMBN -> send TMMBR |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 641 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 642 | // get current bounding set from RTCP receiver |
| 643 | bool tmmbrOwner = false; |
| 644 | // store in candidateSet, allocates one extra slot |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 645 | TMMBRSet* candidateSet = tmmbr_help_.CandidateSet(); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 646 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 647 | // holding critical_section_rtcp_sender_ while calling RTCPreceiver which |
| 648 | // will accuire criticalSectionRTCPReceiver_ is a potental deadlock but |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 649 | // since RTCPreceiver is not doing the reverse we should be fine |
| 650 | int32_t lengthOfBoundingSet = |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 651 | ctx.feedback_state_.module->BoundingSet(tmmbrOwner, candidateSet); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 652 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 653 | if (lengthOfBoundingSet > 0) { |
| 654 | for (int32_t i = 0; i < lengthOfBoundingSet; i++) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 655 | if (candidateSet->Tmmbr(i) == tmmbr_send_ && |
| 656 | candidateSet->PacketOH(i) == packet_oh_send_) { |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 657 | // Do not send the same tuple. |
| 658 | return nullptr; |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 659 | } |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 660 | } |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 661 | if (!tmmbrOwner) { |
| 662 | // use received bounding set as candidate set |
| 663 | // add current tuple |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 664 | candidateSet->SetEntry(lengthOfBoundingSet, tmmbr_send_, packet_oh_send_, |
| 665 | ssrc_); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 666 | int numCandidates = lengthOfBoundingSet + 1; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 667 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 668 | // find bounding set |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 669 | TMMBRSet* boundingSet = nullptr; |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 670 | int numBoundingSet = tmmbr_help_.FindTMMBRBoundingSet(boundingSet); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 671 | if (numBoundingSet > 0 || numBoundingSet <= numCandidates) |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 672 | tmmbrOwner = tmmbr_help_.IsOwner(ssrc_, numBoundingSet); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 673 | if (!tmmbrOwner) { |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 674 | // Did not enter bounding set, no meaning to send this request. |
| 675 | return nullptr; |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 676 | } |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 677 | } |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 678 | } |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 679 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 680 | if (!tmmbr_send_) |
| 681 | return nullptr; |
sprang | 81a3e60 | 2015-08-21 05:30:11 -0700 | [diff] [blame] | 682 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 683 | rtcp::Tmmbr* tmmbr = new rtcp::Tmmbr(); |
| 684 | tmmbr->From(ssrc_); |
| 685 | tmmbr->To(remote_ssrc_); |
| 686 | tmmbr->WithBitrateKbps(tmmbr_send_); |
| 687 | tmmbr->WithOverhead(packet_oh_send_); |
| 688 | |
| 689 | return rtc::scoped_ptr<rtcp::Tmmbr>(tmmbr); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 690 | } |
| 691 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 692 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildTMMBN( |
| 693 | const RtcpContext& ctx) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 694 | TMMBRSet* boundingSet = tmmbr_help_.BoundingSetToSend(); |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 695 | if (boundingSet == nullptr) |
| 696 | return nullptr; |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 697 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 698 | rtcp::Tmmbn* tmmbn = new rtcp::Tmmbn(); |
| 699 | tmmbn->From(ssrc_); |
sprang | d83df50 | 2015-08-27 01:05:08 -0700 | [diff] [blame] | 700 | for (uint32_t i = 0; i < boundingSet->lengthOfSet(); i++) { |
| 701 | if (boundingSet->Tmmbr(i) > 0) { |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 702 | tmmbn->WithTmmbr(boundingSet->Ssrc(i), boundingSet->Tmmbr(i), |
| 703 | boundingSet->PacketOH(i)); |
asapersson@webrtc.org | 2dd3134 | 2014-10-29 12:42:30 +0000 | [diff] [blame] | 704 | } |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 705 | } |
sprang | d83df50 | 2015-08-27 01:05:08 -0700 | [diff] [blame] | 706 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 707 | return rtc::scoped_ptr<rtcp::Tmmbn>(tmmbn); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 708 | } |
| 709 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 710 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildAPP(const RtcpContext& ctx) { |
| 711 | rtcp::App* app = new rtcp::App(); |
| 712 | app->From(ssrc_); |
| 713 | app->WithSubType(app_sub_type_); |
| 714 | app->WithName(app_name_); |
| 715 | app->WithData(app_data_.get(), app_length_); |
Erik Språng | 521875a | 2015-09-01 10:11:16 +0200 | [diff] [blame] | 716 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 717 | return rtc::scoped_ptr<rtcp::App>(app); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 718 | } |
| 719 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 720 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildNACK( |
| 721 | const RtcpContext& ctx) { |
| 722 | rtcp::Nack* nack = new rtcp::Nack(); |
| 723 | nack->From(ssrc_); |
| 724 | nack->To(remote_ssrc_); |
| 725 | nack->WithList(ctx.nack_list_, ctx.nack_size_); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 726 | |
| 727 | // Report stats. |
| 728 | NACKStringBuilder stringBuilder; |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 729 | for (int idx = 0; idx < ctx.nack_size_; ++idx) { |
| 730 | stringBuilder.PushNACK(ctx.nack_list_[idx]); |
| 731 | nack_stats_.ReportRequest(ctx.nack_list_[idx]); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 732 | } |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 733 | packet_type_counter_.nack_requests = nack_stats_.requests(); |
| 734 | packet_type_counter_.unique_nack_requests = nack_stats_.unique_requests(); |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 735 | |
| 736 | TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("webrtc_rtp"), |
| 737 | "RTCPSender::NACK", "nacks", |
| 738 | TRACE_STR_COPY(stringBuilder.GetResult().c_str())); |
| 739 | ++packet_type_counter_.nack_packets; |
| 740 | TRACE_COUNTER_ID1(TRACE_DISABLED_BY_DEFAULT("webrtc_rtp"), "RTCP_NACKCount", |
| 741 | ssrc_, packet_type_counter_.nack_packets); |
| 742 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 743 | return rtc::scoped_ptr<rtcp::Nack>(nack); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 744 | } |
| 745 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 746 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildBYE(const RtcpContext& ctx) { |
| 747 | rtcp::Bye* bye = new rtcp::Bye(); |
| 748 | bye->From(ssrc_); |
sprang | d8ee4f9 | 2015-08-24 03:25:19 -0700 | [diff] [blame] | 749 | for (uint32_t csrc : csrcs_) |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 750 | bye->WithCsrc(csrc); |
sprang | d8ee4f9 | 2015-08-24 03:25:19 -0700 | [diff] [blame] | 751 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 752 | return rtc::scoped_ptr<rtcp::Bye>(bye); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 753 | } |
| 754 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 755 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildReceiverReferenceTime( |
| 756 | const RtcpContext& ctx) { |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 757 | if (last_xr_rr_.size() >= RTCP_NUMBER_OF_SR) |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 758 | last_xr_rr_.erase(last_xr_rr_.begin()); |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 759 | last_xr_rr_.insert(std::pair<uint32_t, int64_t>( |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 760 | RTCPUtility::MidNtp(ctx.ntp_sec_, ctx.ntp_frac_), |
| 761 | Clock::NtpToMs(ctx.ntp_sec_, ctx.ntp_frac_))); |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 762 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 763 | rtcp::Xr* xr = new rtcp::Xr(); |
| 764 | xr->From(ssrc_); |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 765 | |
Erik Språng | ca28fdc | 2015-08-31 14:00:50 +0200 | [diff] [blame] | 766 | rtcp::Rrtr rrtr; |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 767 | rrtr.WithNtpSec(ctx.ntp_sec_); |
| 768 | rrtr.WithNtpFrac(ctx.ntp_frac_); |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 769 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 770 | xr->WithRrtr(&rrtr); |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 771 | |
Erik Språng | ca28fdc | 2015-08-31 14:00:50 +0200 | [diff] [blame] | 772 | // TODO(sprang): Merge XR report sending to contain all of RRTR, DLRR, VOIP? |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 773 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 774 | return rtc::scoped_ptr<rtcp::Xr>(xr); |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 775 | } |
| 776 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 777 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildDlrr( |
| 778 | const RtcpContext& ctx) { |
| 779 | rtcp::Xr* xr = new rtcp::Xr(); |
| 780 | xr->From(ssrc_); |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 781 | |
Erik Språng | ca28fdc | 2015-08-31 14:00:50 +0200 | [diff] [blame] | 782 | rtcp::Dlrr dlrr; |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 783 | const RtcpReceiveTimeInfo& info = ctx.feedback_state_.last_xr_rr; |
Erik Språng | ca28fdc | 2015-08-31 14:00:50 +0200 | [diff] [blame] | 784 | dlrr.WithDlrrItem(info.sourceSSRC, info.lastRR, info.delaySinceLastRR); |
| 785 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 786 | xr->WithDlrr(&dlrr); |
Erik Språng | ca28fdc | 2015-08-31 14:00:50 +0200 | [diff] [blame] | 787 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 788 | return rtc::scoped_ptr<rtcp::Xr>(xr); |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 789 | } |
| 790 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 791 | // TODO(sprang): Add a unit test for this, or remove if the code isn't used. |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 792 | rtc::scoped_ptr<rtcp::RtcpPacket> RTCPSender::BuildVoIPMetric( |
| 793 | const RtcpContext& context) { |
| 794 | rtcp::Xr* xr = new rtcp::Xr(); |
| 795 | xr->From(ssrc_); |
Erik Språng | ca28fdc | 2015-08-31 14:00:50 +0200 | [diff] [blame] | 796 | |
| 797 | rtcp::VoipMetric voip; |
| 798 | voip.To(remote_ssrc_); |
| 799 | voip.LossRate(xr_voip_metric_.lossRate); |
| 800 | voip.DiscardRate(xr_voip_metric_.discardRate); |
| 801 | voip.BurstDensity(xr_voip_metric_.burstDensity); |
| 802 | voip.GapDensity(xr_voip_metric_.gapDensity); |
| 803 | voip.BurstDuration(xr_voip_metric_.burstDuration); |
| 804 | voip.GapDuration(xr_voip_metric_.gapDuration); |
| 805 | voip.RoundTripDelay(xr_voip_metric_.roundTripDelay); |
| 806 | voip.EndSystemDelay(xr_voip_metric_.endSystemDelay); |
| 807 | voip.SignalLevel(xr_voip_metric_.signalLevel); |
| 808 | voip.NoiseLevel(xr_voip_metric_.noiseLevel); |
| 809 | voip.Rerl(xr_voip_metric_.RERL); |
| 810 | voip.Gmin(xr_voip_metric_.Gmin); |
| 811 | voip.Rfactor(xr_voip_metric_.Rfactor); |
| 812 | voip.ExtRfactor(xr_voip_metric_.extRfactor); |
| 813 | voip.MosLq(xr_voip_metric_.MOSLQ); |
| 814 | voip.MosCq(xr_voip_metric_.MOSCQ); |
| 815 | voip.RxConfig(xr_voip_metric_.RXconfig); |
| 816 | voip.JbNominal(xr_voip_metric_.JBnominal); |
| 817 | voip.JbMax(xr_voip_metric_.JBmax); |
| 818 | voip.JbAbsMax(xr_voip_metric_.JBabsMax); |
| 819 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 820 | xr->WithVoipMetric(&voip); |
Erik Språng | ca28fdc | 2015-08-31 14:00:50 +0200 | [diff] [blame] | 821 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 822 | return rtc::scoped_ptr<rtcp::Xr>(xr); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 823 | } |
| 824 | |
pbos@webrtc.org | 59f20bb | 2013-09-09 16:02:19 +0000 | [diff] [blame] | 825 | int32_t RTCPSender::SendRTCP(const FeedbackState& feedback_state, |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 826 | RTCPPacketType packetType, |
| 827 | int32_t nack_size, |
| 828 | const uint16_t* nack_list, |
pbos@webrtc.org | 59f20bb | 2013-09-09 16:02:19 +0000 | [diff] [blame] | 829 | bool repeat, |
| 830 | uint64_t pictureID) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 831 | return SendCompoundRTCP( |
| 832 | feedback_state, std::set<RTCPPacketType>(&packetType, &packetType + 1), |
| 833 | nack_size, nack_list, repeat, pictureID); |
| 834 | } |
| 835 | |
| 836 | int32_t RTCPSender::SendCompoundRTCP( |
| 837 | const FeedbackState& feedback_state, |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 838 | const std::set<RTCPPacketType>& packet_types, |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 839 | int32_t nack_size, |
| 840 | const uint16_t* nack_list, |
| 841 | bool repeat, |
| 842 | uint64_t pictureID) { |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 843 | PacketContainer container(transport_); |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 844 | { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 845 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
pbos | da903ea | 2015-10-02 02:36:56 -0700 | [diff] [blame] | 846 | if (method_ == RtcpMode::kOff) { |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 847 | LOG(LS_WARNING) << "Can't send rtcp if it is disabled."; |
| 848 | return -1; |
pwestin@webrtc.org | 8edb39d | 2011-12-22 07:40:33 +0000 | [diff] [blame] | 849 | } |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 850 | |
| 851 | // We need to send our NTP even if we haven't received any reports. |
| 852 | uint32_t ntp_sec; |
| 853 | uint32_t ntp_frac; |
| 854 | clock_->CurrentNtp(ntp_sec, ntp_frac); |
| 855 | RtcpContext context(feedback_state, nack_size, nack_list, repeat, pictureID, |
| 856 | ntp_sec, ntp_frac, &container); |
| 857 | |
| 858 | PrepareReport(packet_types, feedback_state); |
| 859 | |
| 860 | auto it = report_flags_.begin(); |
| 861 | while (it != report_flags_.end()) { |
| 862 | auto builder_it = builders_.find(it->type); |
| 863 | RTC_DCHECK(builder_it != builders_.end()); |
| 864 | if (it->is_volatile) { |
| 865 | report_flags_.erase(it++); |
| 866 | } else { |
| 867 | ++it; |
| 868 | } |
| 869 | |
| 870 | BuilderFunc func = builder_it->second; |
| 871 | rtc::scoped_ptr<rtcp::RtcpPacket> packet = (this->*func)(context); |
| 872 | if (packet.get() == nullptr) |
| 873 | return -1; |
| 874 | container.Append(packet.release()); |
| 875 | } |
| 876 | |
| 877 | if (packet_type_counter_observer_ != nullptr) { |
| 878 | packet_type_counter_observer_->RtcpPacketTypesCounterUpdated( |
| 879 | remote_ssrc_, packet_type_counter_); |
| 880 | } |
| 881 | |
| 882 | RTC_DCHECK(AllVolatileFlagsConsumed()); |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 883 | } |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 884 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 885 | size_t bytes_sent = container.SendPackets(); |
| 886 | return bytes_sent == 0 ? -1 : 0; |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 887 | } |
| 888 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 889 | void RTCPSender::PrepareReport(const std::set<RTCPPacketType>& packetTypes, |
| 890 | const FeedbackState& feedback_state) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 891 | // Add all flags as volatile. Non volatile entries will not be overwritten |
| 892 | // and all new volatile flags added will be consumed by the end of this call. |
| 893 | SetFlags(packetTypes, true); |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 894 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 895 | if (packet_type_counter_.first_packet_time_ms == -1) |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 896 | packet_type_counter_.first_packet_time_ms = clock_->TimeInMilliseconds(); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 897 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 898 | bool generate_report; |
| 899 | if (IsFlagPresent(kRtcpSr) || IsFlagPresent(kRtcpRr)) { |
| 900 | // Report type already explicitly set, don't automatically populate. |
| 901 | generate_report = true; |
henrikg | 91d6ede | 2015-09-17 00:24:34 -0700 | [diff] [blame] | 902 | RTC_DCHECK(ConsumeFlag(kRtcpReport) == false); |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 903 | } else { |
| 904 | generate_report = |
pbos | da903ea | 2015-10-02 02:36:56 -0700 | [diff] [blame] | 905 | (ConsumeFlag(kRtcpReport) && method_ == RtcpMode::kReducedSize) || |
| 906 | method_ == RtcpMode::kCompound; |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 907 | if (generate_report) |
| 908 | SetFlag(sending_ ? kRtcpSr : kRtcpRr, true); |
asapersson@webrtc.org | d08d389 | 2014-12-16 12:03:11 +0000 | [diff] [blame] | 909 | } |
| 910 | |
Erik Språng | 0ea42d3 | 2015-06-25 14:46:16 +0200 | [diff] [blame] | 911 | if (IsFlagPresent(kRtcpSr) || (IsFlagPresent(kRtcpRr) && !cname_.empty())) |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 912 | SetFlag(kRtcpSdes, true); |
| 913 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 914 | if (generate_report) { |
| 915 | if (!sending_ && xr_send_receiver_reference_time_enabled_) |
| 916 | SetFlag(kRtcpXrReceiverReferenceTime, true); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 917 | if (feedback_state.has_last_xr_rr) |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 918 | SetFlag(kRtcpXrDlrrReportBlock, true); |
| 919 | |
| 920 | // generate next time to send an RTCP report |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 921 | // seeded from RTP constructor |
| 922 | int32_t random = rand() % 1000; |
| 923 | int32_t timeToNext = RTCP_INTERVAL_AUDIO_MS; |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 924 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 925 | if (audio_) { |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 926 | timeToNext = (RTCP_INTERVAL_AUDIO_MS / 2) + |
| 927 | (RTCP_INTERVAL_AUDIO_MS * random / 1000); |
| 928 | } else { |
| 929 | uint32_t minIntervalMs = RTCP_INTERVAL_AUDIO_MS; |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 930 | if (sending_) { |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 931 | // Calculate bandwidth for video; 360 / send bandwidth in kbit/s. |
| 932 | uint32_t send_bitrate_kbit = feedback_state.send_bitrate / 1000; |
| 933 | if (send_bitrate_kbit != 0) |
| 934 | minIntervalMs = 360000 / send_bitrate_kbit; |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 935 | } |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 936 | if (minIntervalMs > RTCP_INTERVAL_VIDEO_MS) |
| 937 | minIntervalMs = RTCP_INTERVAL_VIDEO_MS; |
| 938 | timeToNext = (minIntervalMs / 2) + (minIntervalMs * random / 1000); |
| 939 | } |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 940 | next_time_to_send_rtcp_ = clock_->TimeInMilliseconds() + timeToNext; |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 941 | |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 942 | StatisticianMap statisticians = |
| 943 | receive_statistics_->GetActiveStatisticians(); |
| 944 | if (!statisticians.empty()) { |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 945 | for (auto it = statisticians.begin(); it != statisticians.end(); ++it) { |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 946 | RTCPReportBlock report_block; |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 947 | if (PrepareReportBlock(feedback_state, it->first, it->second, |
| 948 | &report_block)) { |
danilchap | df948f0 | 2015-11-13 03:03:13 -0800 | [diff] [blame] | 949 | // TODO(danilchap) AddReportBlock may fail (for 2 different reasons). |
| 950 | // Probably it shouldn't be ignored. |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 951 | AddReportBlock(report_block); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 952 | } |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 953 | } |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 954 | } |
| 955 | } |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 956 | } |
| 957 | |
Erik Språng | f7c5776 | 2015-12-04 10:40:35 +0100 | [diff] [blame] | 958 | bool RTCPSender::PrepareReportBlock(const FeedbackState& feedback_state, |
| 959 | uint32_t ssrc, |
| 960 | StreamStatistician* statistician, |
| 961 | RTCPReportBlock* report_block) { |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 962 | // Do we have receive statistics to send? |
sprang@webrtc.org | 54ae4ff | 2013-12-19 13:26:02 +0000 | [diff] [blame] | 963 | RtcpStatistics stats; |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 964 | if (!statistician->GetStatistics(&stats, true)) |
| 965 | return false; |
| 966 | report_block->fractionLost = stats.fraction_lost; |
| 967 | report_block->cumulativeLost = stats.cumulative_lost; |
| 968 | report_block->extendedHighSeqNum = |
| 969 | stats.extended_max_sequence_number; |
| 970 | report_block->jitter = stats.jitter; |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 971 | report_block->remoteSSRC = ssrc; |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 972 | |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 973 | // TODO(sprang): Do we really need separate time stamps for each report? |
| 974 | // Get our NTP as late as possible to avoid a race. |
| 975 | uint32_t ntp_secs; |
| 976 | uint32_t ntp_frac; |
| 977 | clock_->CurrentNtp(ntp_secs, ntp_frac); |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 978 | |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 979 | // Delay since last received report. |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 980 | uint32_t delaySinceLastReceivedSR = 0; |
pbos@webrtc.org | 59f20bb | 2013-09-09 16:02:19 +0000 | [diff] [blame] | 981 | if ((feedback_state.last_rr_ntp_secs != 0) || |
| 982 | (feedback_state.last_rr_ntp_frac != 0)) { |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 983 | // Get the 16 lowest bits of seconds and the 16 highest bits of fractions. |
| 984 | uint32_t now = ntp_secs & 0x0000FFFF; |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 985 | now <<= 16; |
Erik Språng | bdc0b0d | 2015-06-22 15:21:24 +0200 | [diff] [blame] | 986 | now += (ntp_frac & 0xffff0000) >> 16; |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 987 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 988 | uint32_t receiveTime = feedback_state.last_rr_ntp_secs & 0x0000FFFF; |
| 989 | receiveTime <<= 16; |
| 990 | receiveTime += (feedback_state.last_rr_ntp_frac & 0xffff0000) >> 16; |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 991 | |
| 992 | delaySinceLastReceivedSR = now-receiveTime; |
| 993 | } |
| 994 | report_block->delaySinceLastSR = delaySinceLastReceivedSR; |
pbos@webrtc.org | 59f20bb | 2013-09-09 16:02:19 +0000 | [diff] [blame] | 995 | report_block->lastSR = feedback_state.remote_sr; |
stefan@webrtc.org | 286fe0b | 2013-08-21 20:58:21 +0000 | [diff] [blame] | 996 | return true; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 997 | } |
| 998 | |
pbos@webrtc.org | 9334ac2 | 2014-11-24 08:25:50 +0000 | [diff] [blame] | 999 | void RTCPSender::SetCsrcs(const std::vector<uint32_t>& csrcs) { |
| 1000 | assert(csrcs.size() <= kRtpCsrcSize); |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 1001 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
pbos@webrtc.org | 9334ac2 | 2014-11-24 08:25:50 +0000 | [diff] [blame] | 1002 | csrcs_ = csrcs; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 1003 | } |
| 1004 | |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 1005 | int32_t RTCPSender::SetApplicationSpecificData(uint8_t subType, |
| 1006 | uint32_t name, |
| 1007 | const uint8_t* data, |
| 1008 | uint16_t length) { |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 1009 | if (length % 4 != 0) { |
| 1010 | LOG(LS_ERROR) << "Failed to SetApplicationSpecificData."; |
| 1011 | return -1; |
| 1012 | } |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 1013 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 1014 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 1015 | SetFlag(kRtcpApp, true); |
| 1016 | app_sub_type_ = subType; |
| 1017 | app_name_ = name; |
| 1018 | app_data_.reset(new uint8_t[length]); |
| 1019 | app_length_ = length; |
| 1020 | memcpy(app_data_.get(), data, length); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 1021 | return 0; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 1022 | } |
| 1023 | |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 1024 | int32_t RTCPSender::SetRTCPVoIPMetrics(const RTCPVoIPMetric* VoIPMetric) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 1025 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
| 1026 | memcpy(&xr_voip_metric_, VoIPMetric, sizeof(RTCPVoIPMetric)); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 1027 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 1028 | SetFlag(kRtcpXrVoipMetric, true); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 1029 | return 0; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 1030 | } |
| 1031 | |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 1032 | void RTCPSender::SendRtcpXrReceiverReferenceTime(bool enable) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 1033 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
| 1034 | xr_send_receiver_reference_time_enabled_ = enable; |
asapersson@webrtc.org | 8469f7b | 2013-10-02 13:15:34 +0000 | [diff] [blame] | 1035 | } |
| 1036 | |
asapersson@webrtc.org | 8d02f5d | 2013-11-21 08:57:04 +0000 | [diff] [blame] | 1037 | bool RTCPSender::RtcpXrReceiverReferenceTime() const { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 1038 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
| 1039 | return xr_send_receiver_reference_time_enabled_; |
asapersson@webrtc.org | 8d02f5d | 2013-11-21 08:57:04 +0000 | [diff] [blame] | 1040 | } |
| 1041 | |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 1042 | // no callbacks allowed inside this function |
pbos@webrtc.org | d16e839 | 2014-12-19 13:49:55 +0000 | [diff] [blame] | 1043 | int32_t RTCPSender::SetTMMBN(const TMMBRSet* boundingSet, |
| 1044 | uint32_t maxBitrateKbit) { |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 1045 | CriticalSectionScoped lock(critical_section_rtcp_sender_.get()); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 1046 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 1047 | if (0 == tmmbr_help_.SetTMMBRBoundingSetToSend(boundingSet, maxBitrateKbit)) { |
| 1048 | SetFlag(kRtcpTmmbn, true); |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 1049 | return 0; |
| 1050 | } |
| 1051 | return -1; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 1052 | } |
Erik Språng | 61be2a4 | 2015-04-27 13:32:52 +0200 | [diff] [blame] | 1053 | |
Erik Språng | 242e22b | 2015-05-11 10:17:43 +0200 | [diff] [blame] | 1054 | void RTCPSender::SetFlag(RTCPPacketType type, bool is_volatile) { |
| 1055 | report_flags_.insert(ReportFlag(type, is_volatile)); |
| 1056 | } |
| 1057 | |
| 1058 | void RTCPSender::SetFlags(const std::set<RTCPPacketType>& types, |
| 1059 | bool is_volatile) { |
| 1060 | for (RTCPPacketType type : types) |
| 1061 | SetFlag(type, is_volatile); |
| 1062 | } |
| 1063 | |
| 1064 | bool RTCPSender::IsFlagPresent(RTCPPacketType type) const { |
| 1065 | return report_flags_.find(ReportFlag(type, false)) != report_flags_.end(); |
| 1066 | } |
| 1067 | |
| 1068 | bool RTCPSender::ConsumeFlag(RTCPPacketType type, bool forced) { |
| 1069 | auto it = report_flags_.find(ReportFlag(type, false)); |
| 1070 | if (it == report_flags_.end()) |
| 1071 | return false; |
| 1072 | if (it->is_volatile || forced) |
| 1073 | report_flags_.erase((it)); |
| 1074 | return true; |
| 1075 | } |
| 1076 | |
| 1077 | bool RTCPSender::AllVolatileFlagsConsumed() const { |
| 1078 | for (const ReportFlag& flag : report_flags_) { |
| 1079 | if (flag.is_volatile) |
| 1080 | return false; |
| 1081 | } |
| 1082 | return true; |
| 1083 | } |
| 1084 | |
sprang | 233bd87 | 2015-09-08 13:25:16 -0700 | [diff] [blame] | 1085 | bool RTCPSender::SendFeedbackPacket(const rtcp::TransportFeedback& packet) { |
sprang | 233bd87 | 2015-09-08 13:25:16 -0700 | [diff] [blame] | 1086 | class Sender : public rtcp::RtcpPacket::PacketReadyCallback { |
| 1087 | public: |
Peter Boström | ac547a6 | 2015-09-17 23:03:57 +0200 | [diff] [blame] | 1088 | Sender(Transport* transport) |
| 1089 | : transport_(transport), send_failure_(false) {} |
sprang | 233bd87 | 2015-09-08 13:25:16 -0700 | [diff] [blame] | 1090 | |
| 1091 | void OnPacketReady(uint8_t* data, size_t length) override { |
pbos | 2d56668 | 2015-09-28 09:59:31 -0700 | [diff] [blame] | 1092 | if (!transport_->SendRtcp(data, length)) |
sprang | 233bd87 | 2015-09-08 13:25:16 -0700 | [diff] [blame] | 1093 | send_failure_ = true; |
| 1094 | } |
| 1095 | |
| 1096 | Transport* const transport_; |
sprang | 233bd87 | 2015-09-08 13:25:16 -0700 | [diff] [blame] | 1097 | bool send_failure_; |
sprang | 86fd9ed | 2015-09-29 04:45:43 -0700 | [diff] [blame] | 1098 | } sender(transport_); |
sprang | 233bd87 | 2015-09-08 13:25:16 -0700 | [diff] [blame] | 1099 | |
| 1100 | uint8_t buffer[IP_PACKET_SIZE]; |
| 1101 | return packet.BuildExternalBuffer(buffer, IP_PACKET_SIZE, &sender) && |
| 1102 | !sender.send_failure_; |
| 1103 | } |
| 1104 | |
pbos@webrtc.org | d900e8b | 2013-07-03 15:12:26 +0000 | [diff] [blame] | 1105 | } // namespace webrtc |