37aa8ba616
BUG=webrtc:7746 Review-Url: https://codereview.webrtc.org/2931873002 Cr-Commit-Position: refs/heads/master@{#18692}
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) 2017 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 WEBRTC_MODULES_CONGESTION_CONTROLLER_ACKNOWLEDGED_BITRATE_ESTIMATOR_H_
|
|
#define WEBRTC_MODULES_CONGESTION_CONTROLLER_ACKNOWLEDGED_BITRATE_ESTIMATOR_H_
|
|
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
#include "webrtc/base/optional.h"
|
|
#include "webrtc/modules/congestion_controller/bitrate_estimator.h"
|
|
|
|
namespace webrtc {
|
|
|
|
struct PacketFeedback;
|
|
|
|
class BitrateEstimatorCreator {
|
|
public:
|
|
virtual ~BitrateEstimatorCreator() = default;
|
|
virtual std::unique_ptr<BitrateEstimator> Create();
|
|
};
|
|
|
|
class AcknowledgedBitrateEstimator {
|
|
public:
|
|
explicit AcknowledgedBitrateEstimator(
|
|
std::unique_ptr<BitrateEstimatorCreator> bitrate_estimator_creator);
|
|
|
|
AcknowledgedBitrateEstimator();
|
|
|
|
void IncomingPacketFeedbackVector(
|
|
const std::vector<PacketFeedback>& packet_feedback_vector,
|
|
bool currently_in_alr);
|
|
rtc::Optional<uint32_t> bitrate_bps() const;
|
|
|
|
private:
|
|
bool SentBeforeAlrEnded(const PacketFeedback& packet);
|
|
bool AlrEnded(bool currently_in_alr) const;
|
|
void MaybeResetBitrateEstimator(bool currently_in_alr);
|
|
|
|
bool was_in_alr_;
|
|
rtc::Optional<int64_t> alr_ended_time_ms_;
|
|
const std::unique_ptr<BitrateEstimatorCreator> bitrate_estimator_creator_;
|
|
std::unique_ptr<BitrateEstimator> bitrate_estimator_;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // WEBRTC_MODULES_CONGESTION_CONTROLLER_ACKNOWLEDGED_BITRATE_ESTIMATOR_H_
|