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/*
* Copyright 2018 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 API_CALL_BITRATE_ALLOCATION_H_
#define API_CALL_BITRATE_ALLOCATION_H_
#include "api/units/data_rate.h"
#include "api/units/time_delta.h"
namespace webrtc {
// BitrateAllocationUpdate provides information to allocated streams about their
// bitrate allocation. It originates from the BitrateAllocater class and is
// propagated from there.
struct BitrateAllocationUpdate {
// The allocated target bitrate. Media streams should produce this amount of
// data. (Note that this may include packet overhead depending on
// configuration.)
DataRate target_bitrate = DataRate::Zero();
// The allocated part of the estimated link capacity. This is more stable than
// the target as it is based on the underlying link capacity estimate. This
// should be used to change encoder configuration when the cost of change is
// high.
DataRate stable_target_bitrate = DataRate::Zero();
// Predicted packet loss ratio.
double packet_loss_ratio = 0;
// Predicted round trip time.
TimeDelta round_trip_time = TimeDelta::PlusInfinity();
// `bwe_period` is deprecated, use `stable_target_bitrate` allocation instead.
TimeDelta bwe_period = TimeDelta::PlusInfinity();
// Congestion window pushback bitrate reduction fraction. Used in
// VideoStreamEncoder to reduce the bitrate by the given fraction
// by dropping frames.
double cwnd_reduce_ratio = 0;
};
} // namespace webrtc
#endif // API_CALL_BITRATE_ALLOCATION_H_
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