blob: 4fe70c5dcc37043075566af3c5363555a7ffd9dd [file] [log] [blame]
/*
* Copyright (c) 2015 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 WEBRTC_MODULES_CONGESTION_CONTROLLER_TRANSPORT_FEEDBACK_ADAPTER_H_
#define WEBRTC_MODULES_CONGESTION_CONTROLLER_TRANSPORT_FEEDBACK_ADAPTER_H_
#include <deque>
#include <vector>
#include "webrtc/modules/remote_bitrate_estimator/include/send_time_history.h"
#include "webrtc/rtc_base/criticalsection.h"
#include "webrtc/rtc_base/thread_annotations.h"
#include "webrtc/rtc_base/thread_checker.h"
#include "webrtc/system_wrappers/include/clock.h"
namespace webrtc {
class PacketFeedbackObserver;
namespace rtcp {
class TransportFeedback;
} // namespace rtcp
class TransportFeedbackAdapter {
public:
explicit TransportFeedbackAdapter(const Clock* clock);
virtual ~TransportFeedbackAdapter();
void RegisterPacketFeedbackObserver(PacketFeedbackObserver* observer);
void DeRegisterPacketFeedbackObserver(PacketFeedbackObserver* observer);
void AddPacket(uint32_t ssrc,
uint16_t sequence_number,
size_t length,
const PacedPacketInfo& pacing_info);
void OnSentPacket(uint16_t sequence_number, int64_t send_time_ms);
// TODO(holmer): This method should return DelayBasedBwe::Result so that we
// can get rid of the dependency on BitrateController. Requires changes
// to the CongestionController interface.
void OnTransportFeedback(const rtcp::TransportFeedback& feedback);
std::vector<PacketFeedback> GetTransportFeedbackVector() const;
rtc::Optional<int64_t> GetMinFeedbackLoopRtt() const;
void SetTransportOverhead(int transport_overhead_bytes_per_packet);
void SetNetworkIds(uint16_t local_id, uint16_t remote_id);
size_t GetOutstandingBytes() const;
private:
std::vector<PacketFeedback> GetPacketFeedbackVector(
const rtcp::TransportFeedback& feedback);
const bool send_side_bwe_with_overhead_;
rtc::CriticalSection lock_;
int transport_overhead_bytes_per_packet_ GUARDED_BY(&lock_);
SendTimeHistory send_time_history_ GUARDED_BY(&lock_);
const Clock* const clock_;
int64_t current_offset_ms_;
int64_t last_timestamp_us_;
std::vector<PacketFeedback> last_packet_feedback_vector_;
uint16_t local_net_id_ GUARDED_BY(&lock_);
uint16_t remote_net_id_ GUARDED_BY(&lock_);
std::deque<int64_t> feedback_rtts_ GUARDED_BY(&lock_);
rtc::Optional<int64_t> min_feedback_rtt_ GUARDED_BY(&lock_);
rtc::CriticalSection observers_lock_;
std::vector<PacketFeedbackObserver*> observers_ GUARDED_BY(&observers_lock_);
};
} // namespace webrtc
#endif // WEBRTC_MODULES_CONGESTION_CONTROLLER_TRANSPORT_FEEDBACK_ADAPTER_H_