nisse | cae45d0 | 2017-04-24 05:53:20 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
| 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 | */ |
Jonas Olsson | a4d8737 | 2019-07-05 19:08:33 +0200 | [diff] [blame] | 10 | #include "call/rtp_transport_controller_send.h" |
| 11 | |
Mirko Bonadei | 317a1f0 | 2019-09-17 17:06:18 +0200 | [diff] [blame] | 12 | #include <memory> |
Sebastian Jansson | 91bb667 | 2018-02-21 13:02:51 +0100 | [diff] [blame] | 13 | #include <utility> |
Stefan Holmer | dbdb3a0 | 2018-07-17 16:03:46 +0200 | [diff] [blame] | 14 | #include <vector> |
nisse | cae45d0 | 2017-04-24 05:53:20 -0700 | [diff] [blame] | 15 | |
Yves Gerey | 3e70781 | 2018-11-28 16:47:49 +0100 | [diff] [blame] | 16 | #include "absl/types/optional.h" |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 17 | #include "api/transport/goog_cc_factory.h" |
Yves Gerey | 3e70781 | 2018-11-28 16:47:49 +0100 | [diff] [blame] | 18 | #include "api/transport/network_types.h" |
| 19 | #include "api/units/data_rate.h" |
| 20 | #include "api/units/time_delta.h" |
| 21 | #include "api/units/timestamp.h" |
Yves Gerey | 3e70781 | 2018-11-28 16:47:49 +0100 | [diff] [blame] | 22 | #include "call/rtp_video_sender.h" |
Sebastian Jansson | 0a5ed89 | 2019-09-18 15:37:31 +0200 | [diff] [blame] | 23 | #include "logging/rtc_event_log/events/rtc_event_remote_estimate.h" |
Sebastian Jansson | 166b45d | 2019-05-13 11:57:42 +0200 | [diff] [blame] | 24 | #include "logging/rtc_event_log/events/rtc_event_route_change.h" |
Sebastian Jansson | 658f181 | 2020-01-16 10:59:28 +0100 | [diff] [blame] | 25 | #include "modules/rtp_rtcp/source/rtcp_packet/transport_feedback.h" |
Yves Gerey | 3e70781 | 2018-11-28 16:47:49 +0100 | [diff] [blame] | 26 | #include "rtc_base/checks.h" |
Sebastian Jansson | 97f61ea | 2018-02-21 13:01:55 +0100 | [diff] [blame] | 27 | #include "rtc_base/logging.h" |
Stefan Holmer | dbdb3a0 | 2018-07-17 16:03:46 +0200 | [diff] [blame] | 28 | #include "rtc_base/rate_limiter.h" |
nisse | cae45d0 | 2017-04-24 05:53:20 -0700 | [diff] [blame] | 29 | |
| 30 | namespace webrtc { |
Sebastian Jansson | 19bea51 | 2018-03-13 19:07:46 +0100 | [diff] [blame] | 31 | namespace { |
Stefan Holmer | dbdb3a0 | 2018-07-17 16:03:46 +0200 | [diff] [blame] | 32 | static const int64_t kRetransmitWindowSizeMs = 500; |
Stefan Holmer | 64be7fa | 2018-10-04 15:21:55 +0200 | [diff] [blame] | 33 | static const size_t kMaxOverheadBytes = 500; |
Sebastian Jansson | 19bea51 | 2018-03-13 19:07:46 +0100 | [diff] [blame] | 34 | |
Sebastian Jansson | ecb6897 | 2019-01-18 10:30:54 +0100 | [diff] [blame] | 35 | constexpr TimeDelta kPacerQueueUpdateInterval = TimeDelta::Millis<25>(); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 36 | |
| 37 | TargetRateConstraints ConvertConstraints(int min_bitrate_bps, |
| 38 | int max_bitrate_bps, |
| 39 | int start_bitrate_bps, |
Sebastian Jansson | aa01f27 | 2019-01-30 11:28:59 +0100 | [diff] [blame] | 40 | Clock* clock) { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 41 | TargetRateConstraints msg; |
| 42 | msg.at_time = Timestamp::ms(clock->TimeInMilliseconds()); |
| 43 | msg.min_data_rate = |
| 44 | min_bitrate_bps >= 0 ? DataRate::bps(min_bitrate_bps) : DataRate::Zero(); |
| 45 | msg.max_data_rate = max_bitrate_bps > 0 ? DataRate::bps(max_bitrate_bps) |
| 46 | : DataRate::Infinity(); |
| 47 | if (start_bitrate_bps > 0) |
| 48 | msg.starting_rate = DataRate::bps(start_bitrate_bps); |
| 49 | return msg; |
| 50 | } |
| 51 | |
| 52 | TargetRateConstraints ConvertConstraints(const BitrateConstraints& contraints, |
Sebastian Jansson | aa01f27 | 2019-01-30 11:28:59 +0100 | [diff] [blame] | 53 | Clock* clock) { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 54 | return ConvertConstraints(contraints.min_bitrate_bps, |
| 55 | contraints.max_bitrate_bps, |
| 56 | contraints.start_bitrate_bps, clock); |
| 57 | } |
Erik Språng | 662678d | 2019-11-15 17:18:52 +0100 | [diff] [blame] | 58 | |
| 59 | bool IsEnabled(const WebRtcKeyValueConfig* trials, absl::string_view key) { |
Erik Språng | 014dd3c | 2019-11-28 13:44:25 +0100 | [diff] [blame] | 60 | RTC_DCHECK(trials != nullptr); |
| 61 | return trials->Lookup(key).find("Enabled") == 0; |
Erik Språng | 662678d | 2019-11-15 17:18:52 +0100 | [diff] [blame] | 62 | } |
| 63 | |
Sebastian Jansson | 19bea51 | 2018-03-13 19:07:46 +0100 | [diff] [blame] | 64 | } // namespace |
nisse | cae45d0 | 2017-04-24 05:53:20 -0700 | [diff] [blame] | 65 | |
| 66 | RtpTransportControllerSend::RtpTransportControllerSend( |
| 67 | Clock* clock, |
Sebastian Jansson | 97f61ea | 2018-02-21 13:01:55 +0100 | [diff] [blame] | 68 | webrtc::RtcEventLog* event_log, |
Ying Wang | 0810a7c | 2019-04-10 13:48:24 +0200 | [diff] [blame] | 69 | NetworkStatePredictorFactoryInterface* predictor_factory, |
Sebastian Jansson | dfce03a | 2018-05-18 18:05:10 +0200 | [diff] [blame] | 70 | NetworkControllerFactoryInterface* controller_factory, |
Sebastian Jansson | ed50e6c | 2019-03-01 14:45:21 +0100 | [diff] [blame] | 71 | const BitrateConstraints& bitrate_config, |
| 72 | std::unique_ptr<ProcessThread> process_thread, |
Erik Språng | 662678d | 2019-11-15 17:18:52 +0100 | [diff] [blame] | 73 | TaskQueueFactory* task_queue_factory, |
| 74 | const WebRtcKeyValueConfig* trials) |
Sebastian Jansson | 19704ec | 2018-03-12 15:59:12 +0100 | [diff] [blame] | 75 | : clock_(clock), |
Sebastian Jansson | 166b45d | 2019-05-13 11:57:42 +0200 | [diff] [blame] | 76 | event_log_(event_log), |
Sebastian Jansson | 317a522 | 2018-03-16 15:36:37 +0100 | [diff] [blame] | 77 | bitrate_configurator_(bitrate_config), |
Sebastian Jansson | ed50e6c | 2019-03-01 14:45:21 +0100 | [diff] [blame] | 78 | process_thread_(std::move(process_thread)), |
Erik Språng | 014dd3c | 2019-11-28 13:44:25 +0100 | [diff] [blame] | 79 | use_task_queue_pacer_(IsEnabled(trials, "WebRTC-TaskQueuePacer")), |
Erik Språng | 4314a49 | 2019-11-26 17:48:49 +0100 | [diff] [blame] | 80 | process_thread_pacer_(use_task_queue_pacer_ |
| 81 | ? nullptr |
| 82 | : new PacedSender(clock, |
| 83 | &packet_router_, |
| 84 | event_log, |
Erik Språng | 014dd3c | 2019-11-28 13:44:25 +0100 | [diff] [blame] | 85 | trials, |
Erik Språng | 4314a49 | 2019-11-26 17:48:49 +0100 | [diff] [blame] | 86 | process_thread_.get())), |
| 87 | task_queue_pacer_(use_task_queue_pacer_ |
| 88 | ? new TaskQueuePacedSender(clock, |
| 89 | &packet_router_, |
| 90 | event_log, |
Erik Språng | 014dd3c | 2019-11-28 13:44:25 +0100 | [diff] [blame] | 91 | trials, |
Erik Språng | 4314a49 | 2019-11-26 17:48:49 +0100 | [diff] [blame] | 92 | task_queue_factory) |
| 93 | : nullptr), |
Sebastian Jansson | 317a522 | 2018-03-16 15:36:37 +0100 | [diff] [blame] | 94 | observer_(nullptr), |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 95 | controller_factory_override_(controller_factory), |
| 96 | controller_factory_fallback_( |
Mirko Bonadei | 317a1f0 | 2019-09-17 17:06:18 +0200 | [diff] [blame] | 97 | std::make_unique<GoogCcNetworkControllerFactory>(predictor_factory)), |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 98 | process_interval_(controller_factory_fallback_->GetProcessInterval()), |
| 99 | last_report_block_time_(Timestamp::ms(clock_->TimeInMilliseconds())), |
| 100 | reset_feedback_on_route_change_( |
Erik Språng | 014dd3c | 2019-11-28 13:44:25 +0100 | [diff] [blame] | 101 | !IsEnabled(trials, "WebRTC-Bwe-NoFeedbackReset")), |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 102 | send_side_bwe_with_overhead_( |
Erik Språng | 014dd3c | 2019-11-28 13:44:25 +0100 | [diff] [blame] | 103 | IsEnabled(trials, "WebRTC-SendSideBwe-WithOverhead")), |
Christoffer Rodbro | c610e26 | 2019-01-08 10:49:19 +0100 | [diff] [blame] | 104 | add_pacing_to_cwin_( |
Erik Språng | 014dd3c | 2019-11-28 13:44:25 +0100 | [diff] [blame] | 105 | IsEnabled(trials, "WebRTC-AddPacingToCongestionWindowPushback")), |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 106 | transport_overhead_bytes_per_packet_(0), |
| 107 | network_available_(false), |
Stefan Holmer | dbdb3a0 | 2018-07-17 16:03:46 +0200 | [diff] [blame] | 108 | retransmission_rate_limiter_(clock, kRetransmitWindowSizeMs), |
Sebastian Jansson | ed50e6c | 2019-03-01 14:45:21 +0100 | [diff] [blame] | 109 | task_queue_(task_queue_factory->CreateTaskQueue( |
| 110 | "rtp_send_controller", |
| 111 | TaskQueueFactory::Priority::NORMAL)) { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 112 | initial_config_.constraints = ConvertConstraints(bitrate_config, clock_); |
Sebastian Jansson | df88cc0 | 2019-04-15 15:42:25 +0200 | [diff] [blame] | 113 | initial_config_.event_log = event_log; |
Erik Språng | 014dd3c | 2019-11-28 13:44:25 +0100 | [diff] [blame] | 114 | initial_config_.key_value_config = trials; |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 115 | RTC_DCHECK(bitrate_config.start_bitrate_bps > 0); |
| 116 | |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 117 | pacer()->SetPacingRates(DataRate::bps(bitrate_config.start_bitrate_bps), |
| 118 | DataRate::Zero()); |
Sebastian Jansson | bd9fe09 | 2018-05-07 16:33:50 +0200 | [diff] [blame] | 119 | |
Erik Språng | 4314a49 | 2019-11-26 17:48:49 +0100 | [diff] [blame] | 120 | if (!use_task_queue_pacer_) { |
| 121 | process_thread_->Start(); |
| 122 | } |
Sebastian Jansson | 97f61ea | 2018-02-21 13:01:55 +0100 | [diff] [blame] | 123 | } |
Sebastian Jansson | c33c0fc | 2018-02-22 11:10:18 +0100 | [diff] [blame] | 124 | |
| 125 | RtpTransportControllerSend::~RtpTransportControllerSend() { |
Erik Språng | 4314a49 | 2019-11-26 17:48:49 +0100 | [diff] [blame] | 126 | if (!use_task_queue_pacer_) { |
| 127 | process_thread_->Stop(); |
| 128 | } |
Sebastian Jansson | c33c0fc | 2018-02-22 11:10:18 +0100 | [diff] [blame] | 129 | } |
nisse | cae45d0 | 2017-04-24 05:53:20 -0700 | [diff] [blame] | 130 | |
Stefan Holmer | 9416ef8 | 2018-07-19 10:34:38 +0200 | [diff] [blame] | 131 | RtpVideoSenderInterface* RtpTransportControllerSend::CreateRtpVideoSender( |
Stefan Holmer | dbdb3a0 | 2018-07-17 16:03:46 +0200 | [diff] [blame] | 132 | std::map<uint32_t, RtpState> suspended_ssrcs, |
| 133 | const std::map<uint32_t, RtpPayloadState>& states, |
| 134 | const RtpConfig& rtp_config, |
Jiawei Ou | 5571812 | 2018-11-09 13:17:39 -0800 | [diff] [blame] | 135 | int rtcp_report_interval_ms, |
Stefan Holmer | dbdb3a0 | 2018-07-17 16:03:46 +0200 | [diff] [blame] | 136 | Transport* send_transport, |
| 137 | const RtpSenderObservers& observers, |
Stefan Holmer | 64be7fa | 2018-10-04 15:21:55 +0200 | [diff] [blame] | 138 | RtcEventLog* event_log, |
Benjamin Wright | 192eeec | 2018-10-17 17:27:25 -0700 | [diff] [blame] | 139 | std::unique_ptr<FecController> fec_controller, |
| 140 | const RtpSenderFrameEncryptionConfig& frame_encryption_config) { |
Mirko Bonadei | 317a1f0 | 2019-09-17 17:06:18 +0200 | [diff] [blame] | 141 | video_rtp_senders_.push_back(std::make_unique<RtpVideoSender>( |
Sebastian Jansson | 572c60f | 2019-03-04 18:30:41 +0100 | [diff] [blame] | 142 | clock_, suspended_ssrcs, states, rtp_config, rtcp_report_interval_ms, |
Oleh Prypin | e896490 | 2019-03-29 15:33:01 +0000 | [diff] [blame] | 143 | send_transport, observers, |
Stefan Holmer | dbdb3a0 | 2018-07-17 16:03:46 +0200 | [diff] [blame] | 144 | // TODO(holmer): Remove this circular dependency by injecting |
| 145 | // the parts of RtpTransportControllerSendInterface that are really used. |
Benjamin Wright | 192eeec | 2018-10-17 17:27:25 -0700 | [diff] [blame] | 146 | this, event_log, &retransmission_rate_limiter_, std::move(fec_controller), |
| 147 | frame_encryption_config.frame_encryptor, |
| 148 | frame_encryption_config.crypto_options)); |
Stefan Holmer | dbdb3a0 | 2018-07-17 16:03:46 +0200 | [diff] [blame] | 149 | return video_rtp_senders_.back().get(); |
| 150 | } |
| 151 | |
Stefan Holmer | 9416ef8 | 2018-07-19 10:34:38 +0200 | [diff] [blame] | 152 | void RtpTransportControllerSend::DestroyRtpVideoSender( |
| 153 | RtpVideoSenderInterface* rtp_video_sender) { |
| 154 | std::vector<std::unique_ptr<RtpVideoSenderInterface>>::iterator it = |
Stefan Holmer | 5ed25af | 2018-07-18 15:17:14 +0200 | [diff] [blame] | 155 | video_rtp_senders_.end(); |
| 156 | for (it = video_rtp_senders_.begin(); it != video_rtp_senders_.end(); ++it) { |
| 157 | if (it->get() == rtp_video_sender) { |
| 158 | break; |
| 159 | } |
| 160 | } |
| 161 | RTC_DCHECK(it != video_rtp_senders_.end()); |
| 162 | video_rtp_senders_.erase(it); |
| 163 | } |
| 164 | |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 165 | void RtpTransportControllerSend::UpdateControlState() { |
| 166 | absl::optional<TargetTransferRate> update = control_handler_->GetUpdate(); |
| 167 | if (!update) |
| 168 | return; |
Sebastian Jansson | f34116e | 2019-09-24 17:55:50 +0200 | [diff] [blame] | 169 | retransmission_rate_limiter_.SetMaxRate(update->target_rate.bps()); |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 170 | // We won't create control_handler_ until we have an observers. |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 171 | RTC_DCHECK(observer_ != nullptr); |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 172 | observer_->OnTargetTransferRate(*update); |
Sebastian Jansson | e625605 | 2018-05-04 14:08:15 +0200 | [diff] [blame] | 173 | } |
| 174 | |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 175 | RtpPacketPacer* RtpTransportControllerSend::pacer() { |
Erik Språng | 4314a49 | 2019-11-26 17:48:49 +0100 | [diff] [blame] | 176 | if (use_task_queue_pacer_) { |
| 177 | return task_queue_pacer_.get(); |
| 178 | } |
| 179 | return process_thread_pacer_.get(); |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | const RtpPacketPacer* RtpTransportControllerSend::pacer() const { |
Erik Språng | 4314a49 | 2019-11-26 17:48:49 +0100 | [diff] [blame] | 183 | if (use_task_queue_pacer_) { |
| 184 | return task_queue_pacer_.get(); |
| 185 | } |
| 186 | return process_thread_pacer_.get(); |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 187 | } |
| 188 | |
Sebastian Jansson | e625605 | 2018-05-04 14:08:15 +0200 | [diff] [blame] | 189 | rtc::TaskQueue* RtpTransportControllerSend::GetWorkerQueue() { |
| 190 | return &task_queue_; |
Sebastian Jansson | 19704ec | 2018-03-12 15:59:12 +0100 | [diff] [blame] | 191 | } |
| 192 | |
nisse | 76e62b0 | 2017-05-31 02:24:52 -0700 | [diff] [blame] | 193 | PacketRouter* RtpTransportControllerSend::packet_router() { |
| 194 | return &packet_router_; |
| 195 | } |
| 196 | |
Sebastian Jansson | e1795f4 | 2019-07-24 11:38:03 +0200 | [diff] [blame] | 197 | NetworkStateEstimateObserver* |
| 198 | RtpTransportControllerSend::network_state_estimate_observer() { |
| 199 | return this; |
| 200 | } |
| 201 | |
nisse | 76e62b0 | 2017-05-31 02:24:52 -0700 | [diff] [blame] | 202 | TransportFeedbackObserver* |
| 203 | RtpTransportControllerSend::transport_feedback_observer() { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 204 | return this; |
nisse | 76e62b0 | 2017-05-31 02:24:52 -0700 | [diff] [blame] | 205 | } |
| 206 | |
Erik Språng | aa59eca | 2019-07-24 14:52:55 +0200 | [diff] [blame] | 207 | RtpPacketSender* RtpTransportControllerSend::packet_sender() { |
Erik Språng | 4314a49 | 2019-11-26 17:48:49 +0100 | [diff] [blame] | 208 | if (use_task_queue_pacer_) { |
| 209 | return task_queue_pacer_.get(); |
| 210 | } |
| 211 | return process_thread_pacer_.get(); |
nisse | 76e62b0 | 2017-05-31 02:24:52 -0700 | [diff] [blame] | 212 | } |
| 213 | |
Stefan Holmer | 5c8942a | 2017-08-22 16:16:44 +0200 | [diff] [blame] | 214 | void RtpTransportControllerSend::SetAllocatedSendBitrateLimits( |
Sebastian Jansson | 93b1ea2 | 2019-09-18 18:31:52 +0200 | [diff] [blame] | 215 | BitrateAllocationLimits limits) { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 216 | RTC_DCHECK_RUN_ON(&task_queue_); |
Sebastian Jansson | 93b1ea2 | 2019-09-18 18:31:52 +0200 | [diff] [blame] | 217 | streams_config_.min_total_allocated_bitrate = limits.min_allocatable_rate; |
| 218 | streams_config_.max_padding_rate = limits.max_padding_rate; |
| 219 | streams_config_.max_total_allocated_bitrate = limits.max_allocatable_rate; |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 220 | UpdateStreamsConfig(); |
Stefan Holmer | 5c8942a | 2017-08-22 16:16:44 +0200 | [diff] [blame] | 221 | } |
Sebastian Jansson | 4c1ffb8 | 2018-02-15 16:51:58 +0100 | [diff] [blame] | 222 | void RtpTransportControllerSend::SetPacingFactor(float pacing_factor) { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 223 | RTC_DCHECK_RUN_ON(&task_queue_); |
| 224 | streams_config_.pacing_factor = pacing_factor; |
| 225 | UpdateStreamsConfig(); |
Sebastian Jansson | 4c1ffb8 | 2018-02-15 16:51:58 +0100 | [diff] [blame] | 226 | } |
| 227 | void RtpTransportControllerSend::SetQueueTimeLimit(int limit_ms) { |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 228 | pacer()->SetQueueTimeLimit(TimeDelta::ms(limit_ms)); |
Sebastian Jansson | 4c1ffb8 | 2018-02-15 16:51:58 +0100 | [diff] [blame] | 229 | } |
Sebastian Jansson | f298855 | 2019-10-29 17:18:51 +0100 | [diff] [blame] | 230 | StreamFeedbackProvider* |
| 231 | RtpTransportControllerSend::GetStreamFeedbackProvider() { |
JT Teh | ea992f8 | 2020-01-15 18:24:20 +0000 | [diff] [blame] | 232 | return &feedback_demuxer_; |
Sebastian Jansson | e4be6da | 2018-02-15 16:51:41 +0100 | [diff] [blame] | 233 | } |
Sebastian Jansson | 19704ec | 2018-03-12 15:59:12 +0100 | [diff] [blame] | 234 | |
| 235 | void RtpTransportControllerSend::RegisterTargetTransferRateObserver( |
| 236 | TargetTransferRateObserver* observer) { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 237 | task_queue_.PostTask([this, observer] { |
| 238 | RTC_DCHECK_RUN_ON(&task_queue_); |
Sebastian Jansson | 19704ec | 2018-03-12 15:59:12 +0100 | [diff] [blame] | 239 | RTC_DCHECK(observer_ == nullptr); |
| 240 | observer_ = observer; |
Sebastian Jansson | 2701bc9 | 2018-12-11 15:02:47 +0100 | [diff] [blame] | 241 | observer_->OnStartRateUpdate(*initial_config_.constraints.starting_rate); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 242 | MaybeCreateControllers(); |
| 243 | }); |
Sebastian Jansson | e4be6da | 2018-02-15 16:51:41 +0100 | [diff] [blame] | 244 | } |
Sebastian Jansson | e4be6da | 2018-02-15 16:51:41 +0100 | [diff] [blame] | 245 | void RtpTransportControllerSend::OnNetworkRouteChanged( |
Sebastian Jansson | 97f61ea | 2018-02-21 13:01:55 +0100 | [diff] [blame] | 246 | const std::string& transport_name, |
| 247 | const rtc::NetworkRoute& network_route) { |
Sebastian Jansson | 91bb667 | 2018-02-21 13:02:51 +0100 | [diff] [blame] | 248 | // Check if the network route is connected. |
| 249 | if (!network_route.connected) { |
| 250 | RTC_LOG(LS_INFO) << "Transport " << transport_name << " is disconnected"; |
| 251 | // TODO(honghaiz): Perhaps handle this in SignalChannelNetworkState and |
| 252 | // consider merging these two methods. |
| 253 | return; |
| 254 | } |
| 255 | |
| 256 | // Check whether the network route has changed on each transport. |
| 257 | auto result = |
| 258 | network_routes_.insert(std::make_pair(transport_name, network_route)); |
| 259 | auto kv = result.first; |
| 260 | bool inserted = result.second; |
| 261 | if (inserted) { |
| 262 | // No need to reset BWE if this is the first time the network connects. |
| 263 | return; |
| 264 | } |
Sebastian Jansson | af2adda | 2018-12-04 11:16:19 +0100 | [diff] [blame] | 265 | if (kv->second.connected != network_route.connected || |
| 266 | kv->second.local_network_id != network_route.local_network_id || |
| 267 | kv->second.remote_network_id != network_route.remote_network_id) { |
Sebastian Jansson | 91bb667 | 2018-02-21 13:02:51 +0100 | [diff] [blame] | 268 | kv->second = network_route; |
| 269 | BitrateConstraints bitrate_config = bitrate_configurator_.GetConfig(); |
| 270 | RTC_LOG(LS_INFO) << "Network route changed on transport " << transport_name |
| 271 | << ": new local network id " |
| 272 | << network_route.local_network_id |
| 273 | << " new remote network id " |
| 274 | << network_route.remote_network_id |
| 275 | << " Reset bitrates to min: " |
| 276 | << bitrate_config.min_bitrate_bps |
| 277 | << " bps, start: " << bitrate_config.start_bitrate_bps |
| 278 | << " bps, max: " << bitrate_config.max_bitrate_bps |
| 279 | << " bps."; |
| 280 | RTC_DCHECK_GT(bitrate_config.start_bitrate_bps, 0); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 281 | |
Sebastian Jansson | 166b45d | 2019-05-13 11:57:42 +0200 | [diff] [blame] | 282 | if (event_log_) { |
Mirko Bonadei | 317a1f0 | 2019-09-17 17:06:18 +0200 | [diff] [blame] | 283 | event_log_->Log(std::make_unique<RtcEventRouteChange>( |
Sebastian Jansson | 166b45d | 2019-05-13 11:57:42 +0200 | [diff] [blame] | 284 | network_route.connected, network_route.packet_overhead)); |
| 285 | } |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 286 | NetworkRouteChange msg; |
| 287 | msg.at_time = Timestamp::ms(clock_->TimeInMilliseconds()); |
| 288 | msg.constraints = ConvertConstraints(bitrate_config, clock_); |
Sebastian Jansson | 658f181 | 2020-01-16 10:59:28 +0100 | [diff] [blame] | 289 | task_queue_.PostTask([this, msg, network_route] { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 290 | RTC_DCHECK_RUN_ON(&task_queue_); |
Sebastian Jansson | 658f181 | 2020-01-16 10:59:28 +0100 | [diff] [blame] | 291 | transport_overhead_bytes_per_packet_ = network_route.packet_overhead; |
| 292 | if (reset_feedback_on_route_change_) { |
| 293 | transport_feedback_adapter_.SetNetworkIds( |
| 294 | network_route.local_network_id, network_route.remote_network_id); |
| 295 | } |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 296 | if (controller_) { |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 297 | PostUpdates(controller_->OnNetworkRouteChange(msg)); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 298 | } else { |
| 299 | UpdateInitialConstraints(msg.constraints); |
| 300 | } |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 301 | pacer()->UpdateOutstandingData(DataSize::Zero()); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 302 | }); |
Sebastian Jansson | 91bb667 | 2018-02-21 13:02:51 +0100 | [diff] [blame] | 303 | } |
Sebastian Jansson | e4be6da | 2018-02-15 16:51:41 +0100 | [diff] [blame] | 304 | } |
| 305 | void RtpTransportControllerSend::OnNetworkAvailability(bool network_available) { |
Harald Alvestrand | 977b265 | 2019-12-12 13:40:50 +0100 | [diff] [blame] | 306 | RTC_LOG(LS_VERBOSE) << "SignalNetworkState " |
| 307 | << (network_available ? "Up" : "Down"); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 308 | NetworkAvailability msg; |
| 309 | msg.at_time = Timestamp::ms(clock_->TimeInMilliseconds()); |
| 310 | msg.network_available = network_available; |
| 311 | task_queue_.PostTask([this, msg]() { |
| 312 | RTC_DCHECK_RUN_ON(&task_queue_); |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 313 | if (network_available_ == msg.network_available) |
| 314 | return; |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 315 | network_available_ = msg.network_available; |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 316 | if (network_available_) { |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 317 | pacer()->Resume(); |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 318 | } else { |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 319 | pacer()->Pause(); |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 320 | } |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 321 | pacer()->UpdateOutstandingData(DataSize::Zero()); |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 322 | |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 323 | if (controller_) { |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 324 | control_handler_->SetNetworkAvailability(network_available_); |
| 325 | PostUpdates(controller_->OnNetworkAvailability(msg)); |
| 326 | UpdateControlState(); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 327 | } else { |
| 328 | MaybeCreateControllers(); |
| 329 | } |
| 330 | }); |
| 331 | |
Stefan Holmer | dbdb3a0 | 2018-07-17 16:03:46 +0200 | [diff] [blame] | 332 | for (auto& rtp_sender : video_rtp_senders_) { |
| 333 | rtp_sender->OnNetworkAvailability(network_available); |
| 334 | } |
Sebastian Jansson | e4be6da | 2018-02-15 16:51:41 +0100 | [diff] [blame] | 335 | } |
Sebastian Jansson | e4be6da | 2018-02-15 16:51:41 +0100 | [diff] [blame] | 336 | RtcpBandwidthObserver* RtpTransportControllerSend::GetBandwidthObserver() { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 337 | return this; |
Sebastian Jansson | e4be6da | 2018-02-15 16:51:41 +0100 | [diff] [blame] | 338 | } |
Sebastian Jansson | e4be6da | 2018-02-15 16:51:41 +0100 | [diff] [blame] | 339 | int64_t RtpTransportControllerSend::GetPacerQueuingDelayMs() const { |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 340 | return pacer()->OldestPacketWaitTime().ms(); |
Sebastian Jansson | e4be6da | 2018-02-15 16:51:41 +0100 | [diff] [blame] | 341 | } |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 342 | absl::optional<Timestamp> RtpTransportControllerSend::GetFirstPacketTime() |
| 343 | const { |
| 344 | return pacer()->FirstSentPacketTime(); |
Sebastian Jansson | e4be6da | 2018-02-15 16:51:41 +0100 | [diff] [blame] | 345 | } |
Sebastian Jansson | e4be6da | 2018-02-15 16:51:41 +0100 | [diff] [blame] | 346 | void RtpTransportControllerSend::EnablePeriodicAlrProbing(bool enable) { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 347 | task_queue_.PostTask([this, enable]() { |
| 348 | RTC_DCHECK_RUN_ON(&task_queue_); |
| 349 | streams_config_.requests_alr_probing = enable; |
| 350 | UpdateStreamsConfig(); |
| 351 | }); |
Sebastian Jansson | e4be6da | 2018-02-15 16:51:41 +0100 | [diff] [blame] | 352 | } |
| 353 | void RtpTransportControllerSend::OnSentPacket( |
| 354 | const rtc::SentPacket& sent_packet) { |
Sebastian Jansson | 658f181 | 2020-01-16 10:59:28 +0100 | [diff] [blame] | 355 | task_queue_.PostTask([this, sent_packet]() { |
| 356 | RTC_DCHECK_RUN_ON(&task_queue_); |
| 357 | absl::optional<SentPacket> packet_msg = |
| 358 | transport_feedback_adapter_.ProcessSentPacket(sent_packet); |
| 359 | pacer()->UpdateOutstandingData( |
| 360 | transport_feedback_adapter_.GetOutstandingData()); |
| 361 | if (packet_msg && controller_) |
| 362 | PostUpdates(controller_->OnSentPacket(*packet_msg)); |
| 363 | }); |
Sebastian Jansson | e4be6da | 2018-02-15 16:51:41 +0100 | [diff] [blame] | 364 | } |
sprang | db2a9fc | 2017-08-09 06:42:32 -0700 | [diff] [blame] | 365 | |
Ying Wang | 8b27910 | 2019-05-27 17:19:08 +0200 | [diff] [blame] | 366 | void RtpTransportControllerSend::OnReceivedPacket( |
Sebastian Jansson | 607a6f1 | 2019-06-13 17:48:53 +0200 | [diff] [blame] | 367 | const ReceivedPacket& packet_msg) { |
Ying Wang | 8b27910 | 2019-05-27 17:19:08 +0200 | [diff] [blame] | 368 | task_queue_.PostTask([this, packet_msg]() { |
| 369 | RTC_DCHECK_RUN_ON(&task_queue_); |
| 370 | if (controller_) |
| 371 | PostUpdates(controller_->OnReceivedPacket(packet_msg)); |
| 372 | }); |
| 373 | } |
| 374 | |
Sebastian Jansson | 97f61ea | 2018-02-21 13:01:55 +0100 | [diff] [blame] | 375 | void RtpTransportControllerSend::SetSdpBitrateParameters( |
| 376 | const BitrateConstraints& constraints) { |
Danil Chapovalov | b9b146c | 2018-06-15 12:28:07 +0200 | [diff] [blame] | 377 | absl::optional<BitrateConstraints> updated = |
Sebastian Jansson | 97f61ea | 2018-02-21 13:01:55 +0100 | [diff] [blame] | 378 | bitrate_configurator_.UpdateWithSdpParameters(constraints); |
| 379 | if (updated.has_value()) { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 380 | TargetRateConstraints msg = ConvertConstraints(*updated, clock_); |
| 381 | task_queue_.PostTask([this, msg]() { |
| 382 | RTC_DCHECK_RUN_ON(&task_queue_); |
| 383 | if (controller_) { |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 384 | PostUpdates(controller_->OnTargetRateConstraints(msg)); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 385 | } else { |
| 386 | UpdateInitialConstraints(msg); |
| 387 | } |
| 388 | }); |
Sebastian Jansson | 97f61ea | 2018-02-21 13:01:55 +0100 | [diff] [blame] | 389 | } else { |
| 390 | RTC_LOG(LS_VERBOSE) |
Sebastian Jansson | 8f83b42 | 2018-02-21 13:07:13 +0100 | [diff] [blame] | 391 | << "WebRTC.RtpTransportControllerSend.SetSdpBitrateParameters: " |
Jonas Olsson | b2b2031 | 2020-01-14 12:11:31 +0100 | [diff] [blame] | 392 | "nothing to update"; |
Sebastian Jansson | 97f61ea | 2018-02-21 13:01:55 +0100 | [diff] [blame] | 393 | } |
| 394 | } |
| 395 | |
| 396 | void RtpTransportControllerSend::SetClientBitratePreferences( |
Niels Möller | 0c4f7be | 2018-05-07 14:01:37 +0200 | [diff] [blame] | 397 | const BitrateSettings& preferences) { |
Danil Chapovalov | b9b146c | 2018-06-15 12:28:07 +0200 | [diff] [blame] | 398 | absl::optional<BitrateConstraints> updated = |
Sebastian Jansson | 97f61ea | 2018-02-21 13:01:55 +0100 | [diff] [blame] | 399 | bitrate_configurator_.UpdateWithClientPreferences(preferences); |
| 400 | if (updated.has_value()) { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 401 | TargetRateConstraints msg = ConvertConstraints(*updated, clock_); |
| 402 | task_queue_.PostTask([this, msg]() { |
| 403 | RTC_DCHECK_RUN_ON(&task_queue_); |
| 404 | if (controller_) { |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 405 | PostUpdates(controller_->OnTargetRateConstraints(msg)); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 406 | } else { |
| 407 | UpdateInitialConstraints(msg); |
| 408 | } |
| 409 | }); |
Sebastian Jansson | 97f61ea | 2018-02-21 13:01:55 +0100 | [diff] [blame] | 410 | } else { |
| 411 | RTC_LOG(LS_VERBOSE) |
Sebastian Jansson | 8f83b42 | 2018-02-21 13:07:13 +0100 | [diff] [blame] | 412 | << "WebRTC.RtpTransportControllerSend.SetClientBitratePreferences: " |
Jonas Olsson | b2b2031 | 2020-01-14 12:11:31 +0100 | [diff] [blame] | 413 | "nothing to update"; |
Sebastian Jansson | 97f61ea | 2018-02-21 13:01:55 +0100 | [diff] [blame] | 414 | } |
| 415 | } |
Alex Narest | bcf9180 | 2018-06-25 16:08:36 +0200 | [diff] [blame] | 416 | |
Stefan Holmer | 64be7fa | 2018-10-04 15:21:55 +0200 | [diff] [blame] | 417 | void RtpTransportControllerSend::OnTransportOverheadChanged( |
| 418 | size_t transport_overhead_bytes_per_packet) { |
| 419 | if (transport_overhead_bytes_per_packet >= kMaxOverheadBytes) { |
| 420 | RTC_LOG(LS_ERROR) << "Transport overhead exceeds " << kMaxOverheadBytes; |
| 421 | return; |
| 422 | } |
| 423 | |
Mirko Bonadei | e7bc3a3 | 2020-01-29 18:45:00 +0000 | [diff] [blame] | 424 | pacer()->SetTransportOverhead( |
| 425 | DataSize::bytes(transport_overhead_bytes_per_packet)); |
| 426 | |
Stefan Holmer | 64be7fa | 2018-10-04 15:21:55 +0200 | [diff] [blame] | 427 | // TODO(holmer): Call AudioRtpSenders when they have been moved to |
| 428 | // RtpTransportControllerSend. |
| 429 | for (auto& rtp_video_sender : video_rtp_senders_) { |
| 430 | rtp_video_sender->OnTransportOverheadChanged( |
| 431 | transport_overhead_bytes_per_packet); |
| 432 | } |
| 433 | } |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 434 | |
Erik Språng | aa59eca | 2019-07-24 14:52:55 +0200 | [diff] [blame] | 435 | void RtpTransportControllerSend::AccountForAudioPacketsInPacedSender( |
| 436 | bool account_for_audio) { |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 437 | pacer()->SetAccountForAudioPackets(account_for_audio); |
Erik Språng | aa59eca | 2019-07-24 14:52:55 +0200 | [diff] [blame] | 438 | } |
| 439 | |
Sebastian Jansson | c3eb9fd | 2020-01-29 17:42:52 +0100 | [diff] [blame] | 440 | void RtpTransportControllerSend::IncludeOverheadInPacedSender() { |
| 441 | pacer()->SetIncludeOverhead(); |
| 442 | } |
| 443 | |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 444 | void RtpTransportControllerSend::OnReceivedEstimatedBitrate(uint32_t bitrate) { |
| 445 | RemoteBitrateReport msg; |
| 446 | msg.receive_time = Timestamp::ms(clock_->TimeInMilliseconds()); |
| 447 | msg.bandwidth = DataRate::bps(bitrate); |
| 448 | task_queue_.PostTask([this, msg]() { |
| 449 | RTC_DCHECK_RUN_ON(&task_queue_); |
| 450 | if (controller_) |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 451 | PostUpdates(controller_->OnRemoteBitrateReport(msg)); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 452 | }); |
| 453 | } |
| 454 | |
| 455 | void RtpTransportControllerSend::OnReceivedRtcpReceiverReport( |
| 456 | const ReportBlockList& report_blocks, |
| 457 | int64_t rtt_ms, |
| 458 | int64_t now_ms) { |
| 459 | task_queue_.PostTask([this, report_blocks, now_ms]() { |
| 460 | RTC_DCHECK_RUN_ON(&task_queue_); |
| 461 | OnReceivedRtcpReceiverReportBlocks(report_blocks, now_ms); |
| 462 | }); |
| 463 | |
| 464 | task_queue_.PostTask([this, now_ms, rtt_ms]() { |
| 465 | RTC_DCHECK_RUN_ON(&task_queue_); |
| 466 | RoundTripTimeUpdate report; |
| 467 | report.receive_time = Timestamp::ms(now_ms); |
| 468 | report.round_trip_time = TimeDelta::ms(rtt_ms); |
| 469 | report.smoothed = false; |
Christoffer Rodbro | 4bd3177 | 2019-03-27 12:34:21 +0100 | [diff] [blame] | 470 | if (controller_ && !report.round_trip_time.IsZero()) |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 471 | PostUpdates(controller_->OnRoundTripTimeUpdate(report)); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 472 | }); |
| 473 | } |
| 474 | |
Erik Språng | 30a276b | 2019-04-23 12:00:11 +0200 | [diff] [blame] | 475 | void RtpTransportControllerSend::OnAddPacket( |
| 476 | const RtpPacketSendInfo& packet_info) { |
JT Teh | ea992f8 | 2020-01-15 18:24:20 +0000 | [diff] [blame] | 477 | feedback_demuxer_.AddPacket(packet_info); |
| 478 | |
Sebastian Jansson | 658f181 | 2020-01-16 10:59:28 +0100 | [diff] [blame] | 479 | Timestamp creation_time = Timestamp::ms(clock_->TimeInMilliseconds()); |
| 480 | task_queue_.PostTask([this, packet_info, creation_time]() { |
| 481 | RTC_DCHECK_RUN_ON(&task_queue_); |
| 482 | transport_feedback_adapter_.AddPacket( |
| 483 | packet_info, |
| 484 | send_side_bwe_with_overhead_ ? transport_overhead_bytes_per_packet_ : 0, |
| 485 | creation_time); |
| 486 | }); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 487 | } |
| 488 | |
| 489 | void RtpTransportControllerSend::OnTransportFeedback( |
| 490 | const rtcp::TransportFeedback& feedback) { |
JT Teh | ea992f8 | 2020-01-15 18:24:20 +0000 | [diff] [blame] | 491 | feedback_demuxer_.OnTransportFeedback(feedback); |
Sebastian Jansson | 658f181 | 2020-01-16 10:59:28 +0100 | [diff] [blame] | 492 | auto feedback_time = Timestamp::ms(clock_->TimeInMilliseconds()); |
| 493 | task_queue_.PostTask([this, feedback, feedback_time]() { |
| 494 | RTC_DCHECK_RUN_ON(&task_queue_); |
| 495 | absl::optional<TransportPacketsFeedback> feedback_msg = |
| 496 | transport_feedback_adapter_.ProcessTransportFeedback(feedback, |
| 497 | feedback_time); |
| 498 | if (feedback_msg && controller_) { |
| 499 | PostUpdates(controller_->OnTransportPacketsFeedback(*feedback_msg)); |
| 500 | } |
| 501 | pacer()->UpdateOutstandingData( |
| 502 | transport_feedback_adapter_.GetOutstandingData()); |
| 503 | }); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 504 | } |
| 505 | |
Sebastian Jansson | e1795f4 | 2019-07-24 11:38:03 +0200 | [diff] [blame] | 506 | void RtpTransportControllerSend::OnRemoteNetworkEstimate( |
| 507 | NetworkStateEstimate estimate) { |
Sebastian Jansson | 0a5ed89 | 2019-09-18 15:37:31 +0200 | [diff] [blame] | 508 | if (event_log_) { |
| 509 | event_log_->Log(std::make_unique<RtcEventRemoteEstimate>( |
| 510 | estimate.link_capacity_lower, estimate.link_capacity_upper)); |
| 511 | } |
Sebastian Jansson | e1795f4 | 2019-07-24 11:38:03 +0200 | [diff] [blame] | 512 | estimate.update_time = Timestamp::ms(clock_->TimeInMilliseconds()); |
| 513 | task_queue_.PostTask([this, estimate] { |
| 514 | RTC_DCHECK_RUN_ON(&task_queue_); |
| 515 | if (controller_) |
Danil Chapovalov | e34fb87 | 2019-10-21 10:51:08 +0200 | [diff] [blame] | 516 | PostUpdates(controller_->OnNetworkStateEstimate(estimate)); |
Sebastian Jansson | e1795f4 | 2019-07-24 11:38:03 +0200 | [diff] [blame] | 517 | }); |
| 518 | } |
| 519 | |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 520 | void RtpTransportControllerSend::MaybeCreateControllers() { |
| 521 | RTC_DCHECK(!controller_); |
| 522 | RTC_DCHECK(!control_handler_); |
| 523 | |
| 524 | if (!network_available_ || !observer_) |
| 525 | return; |
Mirko Bonadei | 317a1f0 | 2019-09-17 17:06:18 +0200 | [diff] [blame] | 526 | control_handler_ = std::make_unique<CongestionControlHandler>(); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 527 | |
| 528 | initial_config_.constraints.at_time = |
| 529 | Timestamp::ms(clock_->TimeInMilliseconds()); |
| 530 | initial_config_.stream_based_config = streams_config_; |
| 531 | |
| 532 | // TODO(srte): Use fallback controller if no feedback is available. |
| 533 | if (controller_factory_override_) { |
| 534 | RTC_LOG(LS_INFO) << "Creating overridden congestion controller"; |
| 535 | controller_ = controller_factory_override_->Create(initial_config_); |
| 536 | process_interval_ = controller_factory_override_->GetProcessInterval(); |
| 537 | } else { |
| 538 | RTC_LOG(LS_INFO) << "Creating fallback congestion controller"; |
| 539 | controller_ = controller_factory_fallback_->Create(initial_config_); |
| 540 | process_interval_ = controller_factory_fallback_->GetProcessInterval(); |
| 541 | } |
| 542 | UpdateControllerWithTimeInterval(); |
| 543 | StartProcessPeriodicTasks(); |
| 544 | } |
| 545 | |
| 546 | void RtpTransportControllerSend::UpdateInitialConstraints( |
| 547 | TargetRateConstraints new_contraints) { |
| 548 | if (!new_contraints.starting_rate) |
| 549 | new_contraints.starting_rate = initial_config_.constraints.starting_rate; |
| 550 | RTC_DCHECK(new_contraints.starting_rate); |
| 551 | initial_config_.constraints = new_contraints; |
| 552 | } |
| 553 | |
| 554 | void RtpTransportControllerSend::StartProcessPeriodicTasks() { |
Sebastian Jansson | ecb6897 | 2019-01-18 10:30:54 +0100 | [diff] [blame] | 555 | if (!pacer_queue_update_task_.Running()) { |
| 556 | pacer_queue_update_task_ = RepeatingTaskHandle::DelayedStart( |
Danil Chapovalov | 4423c36 | 2019-03-06 18:41:39 +0100 | [diff] [blame] | 557 | task_queue_.Get(), kPacerQueueUpdateInterval, [this]() { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 558 | RTC_DCHECK_RUN_ON(&task_queue_); |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 559 | TimeDelta expected_queue_time = pacer()->ExpectedQueueTime(); |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 560 | control_handler_->SetPacerQueue(expected_queue_time); |
| 561 | UpdateControlState(); |
Sebastian Jansson | ecb6897 | 2019-01-18 10:30:54 +0100 | [diff] [blame] | 562 | return kPacerQueueUpdateInterval; |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 563 | }); |
| 564 | } |
Sebastian Jansson | ecb6897 | 2019-01-18 10:30:54 +0100 | [diff] [blame] | 565 | controller_task_.Stop(); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 566 | if (process_interval_.IsFinite()) { |
Sebastian Jansson | ecb6897 | 2019-01-18 10:30:54 +0100 | [diff] [blame] | 567 | controller_task_ = RepeatingTaskHandle::DelayedStart( |
Danil Chapovalov | 4423c36 | 2019-03-06 18:41:39 +0100 | [diff] [blame] | 568 | task_queue_.Get(), process_interval_, [this]() { |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 569 | RTC_DCHECK_RUN_ON(&task_queue_); |
| 570 | UpdateControllerWithTimeInterval(); |
Sebastian Jansson | ecb6897 | 2019-01-18 10:30:54 +0100 | [diff] [blame] | 571 | return process_interval_; |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 572 | }); |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | void RtpTransportControllerSend::UpdateControllerWithTimeInterval() { |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 577 | RTC_DCHECK(controller_); |
| 578 | ProcessInterval msg; |
| 579 | msg.at_time = Timestamp::ms(clock_->TimeInMilliseconds()); |
Christoffer Rodbro | c610e26 | 2019-01-08 10:49:19 +0100 | [diff] [blame] | 580 | if (add_pacing_to_cwin_) |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 581 | msg.pacer_queue = pacer()->QueueSizeData(); |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 582 | PostUpdates(controller_->OnProcessInterval(msg)); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 583 | } |
| 584 | |
| 585 | void RtpTransportControllerSend::UpdateStreamsConfig() { |
| 586 | streams_config_.at_time = Timestamp::ms(clock_->TimeInMilliseconds()); |
| 587 | if (controller_) |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 588 | PostUpdates(controller_->OnStreamsConfig(streams_config_)); |
| 589 | } |
| 590 | |
| 591 | void RtpTransportControllerSend::PostUpdates(NetworkControlUpdate update) { |
| 592 | if (update.congestion_window) { |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 593 | pacer()->SetCongestionWindow(*update.congestion_window); |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 594 | } |
| 595 | if (update.pacer_config) { |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 596 | pacer()->SetPacingRates(update.pacer_config->data_rate(), |
| 597 | update.pacer_config->pad_rate()); |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 598 | } |
| 599 | for (const auto& probe : update.probe_cluster_configs) { |
Erik Språng | 425d6aa | 2019-07-29 16:38:27 +0200 | [diff] [blame] | 600 | pacer()->CreateProbeCluster(probe.target_data_rate, probe.id); |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 601 | } |
| 602 | if (update.target_rate) { |
| 603 | control_handler_->SetTargetRate(*update.target_rate); |
| 604 | UpdateControlState(); |
| 605 | } |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 606 | } |
| 607 | |
| 608 | void RtpTransportControllerSend::OnReceivedRtcpReceiverReportBlocks( |
| 609 | const ReportBlockList& report_blocks, |
| 610 | int64_t now_ms) { |
| 611 | if (report_blocks.empty()) |
| 612 | return; |
| 613 | |
| 614 | int total_packets_lost_delta = 0; |
| 615 | int total_packets_delta = 0; |
| 616 | |
| 617 | // Compute the packet loss from all report blocks. |
| 618 | for (const RTCPReportBlock& report_block : report_blocks) { |
| 619 | auto it = last_report_blocks_.find(report_block.source_ssrc); |
| 620 | if (it != last_report_blocks_.end()) { |
| 621 | auto number_of_packets = report_block.extended_highest_sequence_number - |
| 622 | it->second.extended_highest_sequence_number; |
| 623 | total_packets_delta += number_of_packets; |
| 624 | auto lost_delta = report_block.packets_lost - it->second.packets_lost; |
| 625 | total_packets_lost_delta += lost_delta; |
| 626 | } |
| 627 | last_report_blocks_[report_block.source_ssrc] = report_block; |
| 628 | } |
| 629 | // Can only compute delta if there has been previous blocks to compare to. If |
| 630 | // not, total_packets_delta will be unchanged and there's nothing more to do. |
| 631 | if (!total_packets_delta) |
| 632 | return; |
| 633 | int packets_received_delta = total_packets_delta - total_packets_lost_delta; |
| 634 | // To detect lost packets, at least one packet has to be received. This check |
| 635 | // is needed to avoid bandwith detection update in |
| 636 | // VideoSendStreamTest.SuspendBelowMinBitrate |
| 637 | |
| 638 | if (packets_received_delta < 1) |
| 639 | return; |
| 640 | Timestamp now = Timestamp::ms(now_ms); |
| 641 | TransportLossReport msg; |
| 642 | msg.packets_lost_delta = total_packets_lost_delta; |
| 643 | msg.packets_received_delta = packets_received_delta; |
| 644 | msg.receive_time = now; |
| 645 | msg.start_time = last_report_block_time_; |
| 646 | msg.end_time = now; |
| 647 | if (controller_) |
Sebastian Jansson | 1618095 | 2018-12-12 16:49:10 +0100 | [diff] [blame] | 648 | PostUpdates(controller_->OnTransportLossReport(msg)); |
Sebastian Jansson | 87609be | 2018-12-05 17:35:35 +0100 | [diff] [blame] | 649 | last_report_block_time_ = now; |
| 650 | } |
| 651 | |
nisse | cae45d0 | 2017-04-24 05:53:20 -0700 | [diff] [blame] | 652 | } // namespace webrtc |