| /* |
| * 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. |
| * |
| * Usage: this class will register multiple RtcpBitrateObserver's one at each |
| * RTCP module. It will aggregate the results and run one bandwidth estimation |
| * and push the result to the encoder via VideoEncoderCallback. |
| */ |
| |
| #ifndef WEBRTC_MODULES_BITRATE_CONTROLLER_BITRATE_CONTROLLER_IMPL_H_ |
| #define WEBRTC_MODULES_BITRATE_CONTROLLER_BITRATE_CONTROLLER_IMPL_H_ |
| |
| #include "webrtc/modules/bitrate_controller/include/bitrate_controller.h" |
| |
| #include <list> |
| #include <utility> |
| #include <vector> |
| |
| #include "webrtc/base/constructormagic.h" |
| #include "webrtc/base/criticalsection.h" |
| #include "webrtc/modules/bitrate_controller/send_side_bandwidth_estimation.h" |
| |
| namespace webrtc { |
| |
| class BitrateControllerImpl : public BitrateController { |
| public: |
| // TODO(perkj): BitrateObserver has been deprecated and is not used in WebRTC. |
| // |observer| is left for project that is not yet updated. |
| BitrateControllerImpl(Clock* clock, |
| BitrateObserver* observer, |
| RtcEventLog* event_log); |
| virtual ~BitrateControllerImpl() {} |
| |
| bool AvailableBandwidth(uint32_t* bandwidth) const override; |
| |
| RtcpBandwidthObserver* CreateRtcpBandwidthObserver() override; |
| |
| // Deprecated |
| void SetStartBitrate(int start_bitrate_bps) override; |
| // Deprecated |
| void SetMinMaxBitrate(int min_bitrate_bps, int max_bitrate_bps) override; |
| |
| void SetBitrates(int start_bitrate_bps, |
| int min_bitrate_bps, |
| int max_bitrate_bps) override; |
| |
| void ResetBitrates(int bitrate_bps, |
| int min_bitrate_bps, |
| int max_bitrate_bps) override; |
| |
| |
| void SetReservedBitrate(uint32_t reserved_bitrate_bps) override; |
| |
| // Returns true if the parameters have changed since the last call. |
| bool GetNetworkParameters(uint32_t* bitrate, |
| uint8_t* fraction_loss, |
| int64_t* rtt) override; |
| |
| // RemoteBitrateObserver overrides. |
| void OnReceiveBitrateChanged(const std::vector<uint32_t>& ssrcs, |
| uint32_t bitrate_bps) override; |
| void OnProbeBitrate(uint32_t bitrate_bps) override; |
| |
| int64_t TimeUntilNextProcess() override; |
| void Process() override; |
| |
| private: |
| class RtcpBandwidthObserverImpl; |
| |
| // Called by BitrateObserver's direct from the RTCP module. |
| void OnReceiverEstimatedBitrate(uint32_t bitrate); |
| |
| void OnReceivedRtcpReceiverReport(uint8_t fraction_loss, |
| int64_t rtt, |
| int number_of_packets, |
| int64_t now_ms); |
| |
| // Deprecated |
| void MaybeTriggerOnNetworkChanged(); |
| |
| void OnNetworkChanged(uint32_t bitrate, |
| uint8_t fraction_loss, // 0 - 255. |
| int64_t rtt) EXCLUSIVE_LOCKS_REQUIRED(critsect_); |
| |
| // Used by process thread. |
| Clock* const clock_; |
| BitrateObserver* const observer_; |
| int64_t last_bitrate_update_ms_; |
| RtcEventLog* const event_log_; |
| |
| rtc::CriticalSection critsect_; |
| SendSideBandwidthEstimation bandwidth_estimation_ GUARDED_BY(critsect_); |
| uint32_t reserved_bitrate_bps_ GUARDED_BY(critsect_); |
| |
| uint32_t last_bitrate_bps_ GUARDED_BY(critsect_); |
| uint8_t last_fraction_loss_ GUARDED_BY(critsect_); |
| int64_t last_rtt_ms_ GUARDED_BY(critsect_); |
| uint32_t last_reserved_bitrate_bps_ GUARDED_BY(critsect_); |
| |
| RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(BitrateControllerImpl); |
| }; |
| } // namespace webrtc |
| #endif // WEBRTC_MODULES_BITRATE_CONTROLLER_BITRATE_CONTROLLER_IMPL_H_ |