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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}
99 lines
3.6 KiB
C++
99 lines
3.6 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_PROBE_CONTROLLER_H_
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#define MODULES_CONGESTION_CONTROLLER_PROBE_CONTROLLER_H_
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#include <initializer_list>
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#include "common_types.h" // NOLINT(build/include)
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#include "modules/pacing/paced_sender.h"
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#include "rtc_base/criticalsection.h"
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namespace webrtc {
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class Clock;
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// This class controls initiation of probing to estimate initial channel
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// capacity. There is also support for probing during a session when max
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// bitrate is adjusted by an application.
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class ProbeController {
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public:
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ProbeController(PacedSender* pacer, const Clock* clock);
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void SetBitrates(int64_t min_bitrate_bps,
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int64_t start_bitrate_bps,
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int64_t max_bitrate_bps);
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// The total bitrate, as opposed to the max bitrate, is the sum of the
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// configured bitrates for all active streams.
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void OnMaxTotalAllocatedBitrate(int64_t max_total_allocated_bitrate);
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void OnNetworkStateChanged(NetworkState state);
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void SetEstimatedBitrate(int64_t bitrate_bps);
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void EnablePeriodicAlrProbing(bool enable);
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void SetAlrEndedTimeMs(int64_t alr_end_time);
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void RequestProbe();
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// Resets the ProbeController to a state equivalent to as if it was just
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// created EXCEPT for |enable_periodic_alr_probing_|.
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void Reset();
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void Process();
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private:
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enum class State {
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// Initial state where no probing has been triggered yet.
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kInit,
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// Waiting for probing results to continue further probing.
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kWaitingForProbingResult,
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// Probing is complete.
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kProbingComplete,
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};
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void InitiateExponentialProbing() RTC_EXCLUSIVE_LOCKS_REQUIRED(critsect_);
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void InitiateProbing(int64_t now_ms,
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std::initializer_list<int64_t> bitrates_to_probe,
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bool probe_further)
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RTC_EXCLUSIVE_LOCKS_REQUIRED(critsect_);
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rtc::CriticalSection critsect_;
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PacedSender* const pacer_;
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const Clock* const clock_;
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NetworkState network_state_ RTC_GUARDED_BY(critsect_);
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State state_ RTC_GUARDED_BY(critsect_);
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int64_t min_bitrate_to_probe_further_bps_ RTC_GUARDED_BY(critsect_);
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int64_t time_last_probing_initiated_ms_ RTC_GUARDED_BY(critsect_);
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int64_t estimated_bitrate_bps_ RTC_GUARDED_BY(critsect_);
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int64_t start_bitrate_bps_ RTC_GUARDED_BY(critsect_);
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int64_t max_bitrate_bps_ RTC_GUARDED_BY(critsect_);
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int64_t last_bwe_drop_probing_time_ms_ RTC_GUARDED_BY(critsect_);
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absl::optional<int64_t> alr_end_time_ms_ RTC_GUARDED_BY(critsect_);
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bool enable_periodic_alr_probing_ RTC_GUARDED_BY(critsect_);
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int64_t time_of_last_large_drop_ms_ RTC_GUARDED_BY(critsect_);
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int64_t bitrate_before_last_large_drop_bps_ RTC_GUARDED_BY(critsect_);
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int64_t max_total_allocated_bitrate_ RTC_GUARDED_BY(critsect_);
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bool in_rapid_recovery_experiment_ RTC_GUARDED_BY(critsect_);
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// For WebRTC.BWE.MidCallProbing.* metric.
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bool mid_call_probing_waiting_for_result_ RTC_GUARDED_BY(&critsect_);
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int64_t mid_call_probing_bitrate_bps_ RTC_GUARDED_BY(&critsect_);
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int64_t mid_call_probing_succcess_threshold_ RTC_GUARDED_BY(&critsect_);
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RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(ProbeController);
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};
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} // namespace webrtc
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#endif // MODULES_CONGESTION_CONTROLLER_PROBE_CONTROLLER_H_
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