1b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* 2b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 3b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * 4b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Use of this source code is governed by a BSD-style license 5b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * that can be found in the LICENSE file in the root of the source 6b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * tree. An additional intellectual property rights grant can be found 7b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * in the file PATENTS. All contributing project authors may 8b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * be found in the AUTHORS file in the root of the source tree. 9b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * 10b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * FEC and NACK added bitrate is handled outside class 11b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org */ 12b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 13b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#ifndef WEBRTC_MODULES_BITRATE_CONTROLLER_SEND_SIDE_BANDWIDTH_ESTIMATION_H_ 14b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#define WEBRTC_MODULES_BITRATE_CONTROLLER_SEND_SIDE_BANDWIDTH_ESTIMATION_H_ 15b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 16d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org#include <deque> 17d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org 184736a269b43752c5c3208941a7c193cb7a4df3ffpbos@webrtc.org#include "webrtc/modules/rtp_rtcp/interface/rtp_rtcp_defines.h" 194736a269b43752c5c3208941a7c193cb7a4df3ffpbos@webrtc.org#include "webrtc/system_wrappers/interface/critical_section_wrapper.h" 20b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 21b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgnamespace webrtc { 22b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgclass SendSideBandwidthEstimation { 23b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org public: 24b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org SendSideBandwidthEstimation(); 25b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org virtual ~SendSideBandwidthEstimation(); 26b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 273b6c0e5068d2f56a903bb7ef7bbf09964ce4f26fandresp@webrtc.org void CurrentEstimate(uint32_t* bitrate, uint8_t* loss, uint32_t* rtt) const; 28b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 29d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org // Call periodically to update estimate. 30d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org void UpdateEstimate(uint32_t now_ms); 31d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org 323b6c0e5068d2f56a903bb7ef7bbf09964ce4f26fandresp@webrtc.org // Call when we receive a RTCP message with TMMBR or REMB. 333b6c0e5068d2f56a903bb7ef7bbf09964ce4f26fandresp@webrtc.org void UpdateReceiverEstimate(uint32_t bandwidth); 34b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 353b6c0e5068d2f56a903bb7ef7bbf09964ce4f26fandresp@webrtc.org // Call when we receive a RTCP message with a ReceiveBlock. 363b6c0e5068d2f56a903bb7ef7bbf09964ce4f26fandresp@webrtc.org void UpdateReceiverBlock(uint8_t fraction_loss, 373b6c0e5068d2f56a903bb7ef7bbf09964ce4f26fandresp@webrtc.org uint32_t rtt, 383b6c0e5068d2f56a903bb7ef7bbf09964ce4f26fandresp@webrtc.org int number_of_packets, 393b6c0e5068d2f56a903bb7ef7bbf09964ce4f26fandresp@webrtc.org uint32_t now_ms); 403b6c0e5068d2f56a903bb7ef7bbf09964ce4f26fandresp@webrtc.org 413b6c0e5068d2f56a903bb7ef7bbf09964ce4f26fandresp@webrtc.org void SetSendBitrate(uint32_t bitrate); 423b6c0e5068d2f56a903bb7ef7bbf09964ce4f26fandresp@webrtc.org void SetMinMaxBitrate(uint32_t min_bitrate, uint32_t max_bitrate); 43c766098f12c57c4c5b50a08b2c9aba2b63686a3chenrik.lundin@webrtc.org void SetMinBitrate(uint32_t min_bitrate); 44b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 45b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org private: 463b6c0e5068d2f56a903bb7ef7bbf09964ce4f26fandresp@webrtc.org void CapBitrateToThresholds(); 47b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 48d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org // Updates history of min bitrates. 49d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org // After this method returns min_bitrate_history_.front().second contains the 50d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org // min bitrate used during last kBweIncreaseIntervalMs. 51d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org void UpdateMinHistory(uint32_t now_ms); 52d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org 53d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org std::deque<std::pair<uint32_t, uint32_t> > min_bitrate_history_; 54d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org 55b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org // incoming filters 56b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org int accumulate_lost_packets_Q8_; 57b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org int accumulate_expected_packets_; 58b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 59b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org uint32_t bitrate_; 60b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org uint32_t min_bitrate_configured_; 61b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org uint32_t max_bitrate_configured_; 62b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 63d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org uint32_t time_last_receiver_block_ms_; 64b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org uint8_t last_fraction_loss_; 65d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org uint16_t last_round_trip_time_ms_; 66b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 67b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org uint32_t bwe_incoming_; 68d7aa2282d621744a07956ff207b5cde756229f09andresp@webrtc.org uint32_t time_last_decrease_ms_; 69b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org}; 70b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org} // namespace webrtc 71b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#endif // WEBRTC_MODULES_BITRATE_CONTROLLER_SEND_SIDE_BANDWIDTH_ESTIMATION_H_ 72