1 /* 2 * Copyright 2018 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 #ifndef API_CALL_BITRATE_ALLOCATION_H_ 11 #define API_CALL_BITRATE_ALLOCATION_H_ 12 13 #include "api/units/data_rate.h" 14 #include "api/units/time_delta.h" 15 16 namespace webrtc { 17 18 // BitrateAllocationUpdate provides information to allocated streams about their 19 // bitrate allocation. It originates from the BitrateAllocater class and is 20 // propagated from there. 21 struct BitrateAllocationUpdate { 22 // The allocated target bitrate. Media streams should produce this amount of 23 // data. (Note that this may include packet overhead depending on 24 // configuration.) 25 DataRate target_bitrate = DataRate::Zero(); 26 // The allocated part of the estimated link capacity. This is more stable than 27 // the target as it is based on the underlying link capacity estimate. This 28 // should be used to change encoder configuration when the cost of change is 29 // high. 30 DataRate stable_target_bitrate = DataRate::Zero(); 31 // Predicted packet loss ratio. 32 double packet_loss_ratio = 0; 33 // Predicted round trip time. 34 TimeDelta round_trip_time = TimeDelta::PlusInfinity(); 35 // |bwe_period| is deprecated, use |stable_target_bitrate| allocation instead. 36 TimeDelta bwe_period = TimeDelta::PlusInfinity(); 37 // Congestion window pushback bitrate reduction fraction. Used in 38 // VideoStreamEncoder to reduce the bitrate by the given fraction 39 // by dropping frames. 40 double cwnd_reduce_ratio = 0; 41 }; 42 43 } // namespace webrtc 44 45 #endif // API_CALL_BITRATE_ALLOCATION_H_ 46