blob: b411c26bd38ac7df49f20f337f8866c057cf8616 [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 MODULES_CONGESTION_CONTROLLER_TRANSPORT_FEEDBACK_ADAPTER_H_
#define MODULES_CONGESTION_CONTROLLER_TRANSPORT_FEEDBACK_ADAPTER_H_
#include <deque>
#include <vector>
#include "modules/congestion_controller/rtp/send_time_history.h"
#include "rtc_base/criticalsection.h"
#include "rtc_base/thread_annotations.h"
#include "rtc_base/thread_checker.h"
#include "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;
absl::optional<int64_t> GetMinFeedbackLoopRtt() const;
void SetTransportOverhead(size_t 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);
rtc::CriticalSection lock_;
SendTimeHistory send_time_history_ RTC_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_ RTC_GUARDED_BY(&lock_);
uint16_t remote_net_id_ RTC_GUARDED_BY(&lock_);
std::deque<int64_t> feedback_rtts_ RTC_GUARDED_BY(&lock_);
absl::optional<int64_t> min_feedback_rtt_ RTC_GUARDED_BY(&lock_);
rtc::CriticalSection observers_lock_;
std::vector<PacketFeedbackObserver*> observers_
RTC_GUARDED_BY(&observers_lock_);
};
} // namespace webrtc
#endif // MODULES_CONGESTION_CONTROLLER_TRANSPORT_FEEDBACK_ADAPTER_H_