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/*
* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef MODULES_REMOTE_BITRATE_ESTIMATOR_REMOTE_BITRATE_ESTIMATOR_SINGLE_STREAM_H_
#define MODULES_REMOTE_BITRATE_ESTIMATOR_REMOTE_BITRATE_ESTIMATOR_SINGLE_STREAM_H_
#include <stddef.h>
#include <stdint.h>
#include <map>
#include <vector>
#include "absl/types/optional.h"
#include "api/transport/field_trial_based_config.h"
#include "api/units/data_rate.h"
#include "api/units/time_delta.h"
#include "api/units/timestamp.h"
#include "modules/remote_bitrate_estimator/aimd_rate_control.h"
#include "modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
#include "modules/remote_bitrate_estimator/inter_arrival.h"
#include "modules/remote_bitrate_estimator/overuse_detector.h"
#include "modules/remote_bitrate_estimator/overuse_estimator.h"
#include "rtc_base/bitrate_tracker.h"
namespace webrtc {
class Clock;
struct RTPHeader;
class RemoteBitrateEstimatorSingleStream : public RemoteBitrateEstimator {
public:
RemoteBitrateEstimatorSingleStream(RemoteBitrateObserver* observer,
Clock* clock);
RemoteBitrateEstimatorSingleStream() = delete;
RemoteBitrateEstimatorSingleStream(
const RemoteBitrateEstimatorSingleStream&) = delete;
RemoteBitrateEstimatorSingleStream& operator=(
const RemoteBitrateEstimatorSingleStream&) = delete;
~RemoteBitrateEstimatorSingleStream() override;
void IncomingPacket(const RtpPacketReceived& rtp_packet) override;
TimeDelta Process() override;
void OnRttUpdate(int64_t avg_rtt_ms, int64_t max_rtt_ms) override;
void RemoveStream(uint32_t ssrc) override;
DataRate LatestEstimate() const override;
private:
struct Detector {
Detector();
Timestamp last_packet_time;
InterArrival inter_arrival;
OveruseEstimator estimator;
OveruseDetector detector;
};
// Triggers a new estimate calculation.
void UpdateEstimate(Timestamp now);
std::vector<uint32_t> GetSsrcs() const;
Clock* const clock_;
const FieldTrialBasedConfig field_trials_;
std::map<uint32_t, Detector> overuse_detectors_;
BitrateTracker incoming_bitrate_;
DataRate last_valid_incoming_bitrate_;
AimdRateControl remote_rate_;
RemoteBitrateObserver* const observer_;
absl::optional<Timestamp> last_process_time_;
TimeDelta process_interval_;
bool uma_recorded_;
};
} // namespace webrtc
#endif // MODULES_REMOTE_BITRATE_ESTIMATOR_REMOTE_BITRATE_ESTIMATOR_SINGLE_STREAM_H_
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