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https://github.com/mollyim/webrtc.git
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1175ae0d80
This CL adds a mode to simulate roughly what GoogCC could have been doing during the recording of an rtc event log by using the logged events as input to GoogCC and visualizing the resulting target rate. This is similar to the existing simulated_sendside_bwe mode, but uses the new NetworkControllerInterface to ensure more reliable GoogCC simulation. Bug: None Change-Id: I57894aa666151efc8405407d928b5257fb9b7d61 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/123924 Reviewed-by: Björn Terelius <terelius@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27095}
63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
/*
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* Copyright 2019 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_TOOLS_EVENT_LOG_VISUALIZER_LOG_SIMULATION_H_
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#define RTC_TOOLS_EVENT_LOG_VISUALIZER_LOG_SIMULATION_H_
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#include <deque>
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#include <functional>
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#include <map>
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#include <memory>
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#include <vector>
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#include "api/transport/network_control.h"
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#include "logging/rtc_event_log/rtc_event_log_parser.h"
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#include "modules/congestion_controller/rtp/transport_feedback_adapter.h"
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namespace webrtc {
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class LogBasedNetworkControllerSimulation {
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public:
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explicit LogBasedNetworkControllerSimulation(
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std::unique_ptr<NetworkControllerFactoryInterface> factory,
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std::function<void(const NetworkControlUpdate&, Timestamp)>
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update_handler);
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~LogBasedNetworkControllerSimulation();
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void ProcessEventsInLog(const ParsedRtcEventLog& parsed_log_);
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private:
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struct ProbingStatus {
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const LoggedBweProbeClusterCreatedEvent event;
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size_t bytes_sent;
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size_t packets_sent;
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};
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void HandleStateUpdate(const NetworkControlUpdate& update);
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void ProcessUntil(Timestamp to_time);
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void OnProbeCreated(const LoggedBweProbeClusterCreatedEvent& probe_cluster);
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void OnPacketSent(const LoggedPacketInfo& packet);
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void OnFeedback(const LoggedRtcpPacketTransportFeedback& feedback);
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void OnReceiverReport(const LoggedRtcpPacketReceiverReport& report);
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void OnIceConfig(const LoggedIceCandidatePairConfig& candidate);
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const std::function<void(const NetworkControlUpdate&, Timestamp)>
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update_handler_;
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std::unique_ptr<NetworkControllerFactoryInterface> factory_;
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std::unique_ptr<NetworkControllerInterface> controller_;
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Timestamp current_time_ = Timestamp::MinusInfinity();
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Timestamp last_process_ = Timestamp::MinusInfinity();
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TransportFeedbackAdapter transport_feedback_;
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std::deque<ProbingStatus> pending_probes_;
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std::map<uint32_t, rtcp::ReportBlock> last_report_blocks_;
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Timestamp last_report_block_time_ = Timestamp::MinusInfinity();
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};
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} // namespace webrtc
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#endif // RTC_TOOLS_EVENT_LOG_VISUALIZER_LOG_SIMULATION_H_
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