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