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0040b66ad3
This is a no-op change because rtc::Optional is an alias to absl::optional
This CL generated by running script from modules with parameters
'pacing video_coding congestion_controller remote_bitrate_estimator':
find $@ -type f \( -name \*.h -o -name \*.cc \) \
-exec sed -i 's|rtc::Optional|absl::optional|g' {} \+ \
-exec sed -i 's|rtc::nullopt|absl::nullopt|g' {} \+ \
-exec sed -i 's|#include "api/optional.h"|#include "absl/types/optional.h"|' {} \+
find $@ -type f -name BUILD.gn \
-exec sed -r -i 's|"(../)*api:optional"|"//third_party/abseil-cpp/absl/types:optional"|' {} \+;
git cl format
Bug: webrtc:9078
Change-Id: I8ea501d7f1ee36e8d8cd3ed37e6b763c7fe29118
Reviewed-on: https://webrtc-review.googlesource.com/83900
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23640}
90 lines
3 KiB
C++
90 lines
3 KiB
C++
/*
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* Copyright (c) 2016 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 MODULES_CONGESTION_CONTROLLER_DELAY_BASED_BWE_H_
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#define MODULES_CONGESTION_CONTROLLER_DELAY_BASED_BWE_H_
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#include <memory>
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#include <utility>
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#include <vector>
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#include "modules/congestion_controller/goog_cc/delay_increase_detector_interface.h"
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#include "modules/congestion_controller/goog_cc/probe_bitrate_estimator.h"
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#include "modules/remote_bitrate_estimator/aimd_rate_control.h"
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#include "modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
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#include "modules/remote_bitrate_estimator/inter_arrival.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/constructormagic.h"
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#include "rtc_base/race_checker.h"
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namespace webrtc {
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class RtcEventLog;
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class DelayBasedBwe {
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public:
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static const int64_t kStreamTimeOutMs = 2000;
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struct Result {
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Result();
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Result(bool probe, uint32_t target_bitrate_bps);
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~Result();
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bool updated;
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bool probe;
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uint32_t target_bitrate_bps;
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bool recovered_from_overuse;
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};
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DelayBasedBwe(RtcEventLog* event_log, const Clock* clock);
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virtual ~DelayBasedBwe();
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Result IncomingPacketFeedbackVector(
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const std::vector<PacketFeedback>& packet_feedback_vector,
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absl::optional<uint32_t> acked_bitrate_bps);
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void OnRttUpdate(int64_t avg_rtt_ms, int64_t max_rtt_ms);
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bool LatestEstimate(std::vector<uint32_t>* ssrcs,
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uint32_t* bitrate_bps) const;
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void SetStartBitrate(int start_bitrate_bps);
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void SetMinBitrate(int min_bitrate_bps);
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int64_t GetExpectedBwePeriodMs() const;
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private:
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void IncomingPacketFeedback(const PacketFeedback& packet_feedback);
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Result OnLongFeedbackDelay(int64_t arrival_time_ms);
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Result MaybeUpdateEstimate(absl::optional<uint32_t> acked_bitrate_bps,
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bool request_probe);
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// Updates the current remote rate estimate and returns true if a valid
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// estimate exists.
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bool UpdateEstimate(int64_t now_ms,
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absl::optional<uint32_t> acked_bitrate_bps,
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uint32_t* target_bitrate_bps);
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rtc::RaceChecker network_race_;
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RtcEventLog* const event_log_;
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const Clock* const clock_;
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std::unique_ptr<InterArrival> inter_arrival_;
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std::unique_ptr<DelayIncreaseDetectorInterface> delay_detector_;
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int64_t last_seen_packet_ms_;
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bool uma_recorded_;
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AimdRateControl rate_control_;
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ProbeBitrateEstimator probe_bitrate_estimator_;
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size_t trendline_window_size_;
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double trendline_smoothing_coeff_;
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double trendline_threshold_gain_;
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int consecutive_delayed_feedbacks_;
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uint32_t prev_bitrate_;
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BandwidthUsage prev_state_;
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RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(DelayBasedBwe);
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};
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} // namespace webrtc
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#endif // MODULES_CONGESTION_CONTROLLER_DELAY_BASED_BWE_H_
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