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/*
* Copyright (c) 2012 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_REMOTE_BITRATE_ESTIMATOR_REMOTE_RATE_CONTROL_H_
#define WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_REMOTE_RATE_CONTROL_H_
#include "webrtc/modules/remote_bitrate_estimator/include/bwe_defines.h"
#include "webrtc/modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
namespace webrtc {
class RemoteRateControl {
public:
static RemoteRateControl* Create(RateControlType control_type,
uint32_t min_bitrate_bps);
virtual ~RemoteRateControl() {}
// Returns true if there is a valid estimate of the incoming bitrate, false
// otherwise.
virtual bool ValidEstimate() const = 0;
virtual RateControlType GetControlType() const = 0;
virtual uint32_t GetMinBitrate() const = 0;
virtual int64_t GetFeedbackInterval() const = 0;
// Returns true if the bitrate estimate hasn't been changed for more than
// an RTT, or if the incoming_bitrate is more than 5% above the current
// estimate. Should be used to decide if we should reduce the rate further
// when over-using.
virtual bool TimeToReduceFurther(int64_t time_now,
uint32_t incoming_bitrate_bps) const = 0;
virtual uint32_t LatestEstimate() const = 0;
virtual uint32_t UpdateBandwidthEstimate(int64_t now_ms) = 0;
virtual void SetRtt(unsigned int rtt) = 0;
virtual RateControlRegion Update(const RateControlInput* input,
int64_t now_ms) = 0;
virtual void SetEstimate(int bitrate_bps, int64_t time_now_ms) = 0;
protected:
static const int64_t kMaxFeedbackIntervalMs;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_REMOTE_RATE_CONTROL_H_
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