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aa01f27667
This prepares for making the Clock interface fully mutable. Calls to the time functions in Clock can have side effects in some circumstances. It's also questionable if it's a good idea to allow repeated calls to a const method return different values without any changed to the class instance. Bug: webrtc:9883 Change-Id: I96fb9230705f7c80a4c0702132fd9dc73899fc5e Reviewed-on: https://webrtc-review.googlesource.com/c/120347 Commit-Queue: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Reviewed-by: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26467}
103 lines
3.6 KiB
C++
103 lines
3.6 KiB
C++
/*
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* Copyright (c) 2012 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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* Usage: this class will register multiple RtcpBitrateObserver's one at each
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* RTCP module. It will aggregate the results and run one bandwidth estimation
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* and push the result to the encoder via VideoEncoderCallback.
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*/
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#ifndef MODULES_BITRATE_CONTROLLER_BITRATE_CONTROLLER_IMPL_H_
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#define MODULES_BITRATE_CONTROLLER_BITRATE_CONTROLLER_IMPL_H_
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#include "modules/bitrate_controller/include/bitrate_controller.h"
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#include <list>
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#include <map>
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#include <utility>
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#include <vector>
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#include "modules/bitrate_controller/send_side_bandwidth_estimation.h"
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#include "rtc_base/constructor_magic.h"
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#include "rtc_base/critical_section.h"
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namespace webrtc {
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class BitrateControllerImpl : public BitrateController {
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public:
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// TODO(perkj): BitrateObserver has been deprecated and is not used in WebRTC.
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// |observer| is left for project that is not yet updated.
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BitrateControllerImpl(Clock* clock,
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BitrateObserver* observer,
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RtcEventLog* event_log);
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virtual ~BitrateControllerImpl() {}
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bool AvailableBandwidth(uint32_t* bandwidth) const override;
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RTC_DEPRECATED RtcpBandwidthObserver* CreateRtcpBandwidthObserver() override;
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// Deprecated
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void SetStartBitrate(int start_bitrate_bps) override;
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// Deprecated
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void SetMinMaxBitrate(int min_bitrate_bps, int max_bitrate_bps) override;
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void SetBitrates(int start_bitrate_bps,
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int min_bitrate_bps,
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int max_bitrate_bps) override;
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void ResetBitrates(int bitrate_bps,
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int min_bitrate_bps,
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int max_bitrate_bps) override;
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// Returns true if the parameters have changed since the last call.
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bool GetNetworkParameters(uint32_t* bitrate,
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uint8_t* fraction_loss,
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int64_t* rtt) override;
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void OnDelayBasedBweResult(const DelayBasedBwe::Result& result) override;
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int64_t TimeUntilNextProcess() override;
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void Process() override;
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private:
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class RtcpBandwidthObserverImpl;
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// Called by BitrateObserver's direct from the RTCP module.
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// Implements RtcpBandwidthObserver.
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void OnReceivedEstimatedBitrate(uint32_t bitrate) override;
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void OnReceivedRtcpReceiverReport(const ReportBlockList& report_blocks,
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int64_t rtt,
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int64_t now_ms) override;
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// Deprecated
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void MaybeTriggerOnNetworkChanged();
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void OnNetworkChanged(uint32_t bitrate,
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uint8_t fraction_loss, // 0 - 255.
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int64_t rtt) RTC_EXCLUSIVE_LOCKS_REQUIRED(critsect_);
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// Used by process thread.
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Clock* const clock_;
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BitrateObserver* const observer_;
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int64_t last_bitrate_update_ms_;
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RtcEventLog* const event_log_;
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rtc::CriticalSection critsect_;
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std::map<uint32_t, uint32_t> ssrc_to_last_received_extended_high_seq_num_
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RTC_GUARDED_BY(critsect_);
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SendSideBandwidthEstimation bandwidth_estimation_ RTC_GUARDED_BY(critsect_);
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uint32_t last_bitrate_bps_ RTC_GUARDED_BY(critsect_);
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uint8_t last_fraction_loss_ RTC_GUARDED_BY(critsect_);
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int64_t last_rtt_ms_ RTC_GUARDED_BY(critsect_);
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RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(BitrateControllerImpl);
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};
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} // namespace webrtc
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#endif // MODULES_BITRATE_CONTROLLER_BITRATE_CONTROLLER_IMPL_H_
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