3d2210876e
Bug: webrtc:11567 Change-Id: Ic5e43c51ce06c0619adc265d12ad4bef73a9df76 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/179521 Reviewed-by: Tommi <tommi@webrtc.org> Commit-Queue: Markus Handell <handellm@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31745}
102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
/*
|
|
* 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_RTP_TRANSPORT_FEEDBACK_ADAPTER_H_
|
|
#define MODULES_CONGESTION_CONTROLLER_RTP_TRANSPORT_FEEDBACK_ADAPTER_H_
|
|
|
|
#include <deque>
|
|
#include <map>
|
|
#include <utility>
|
|
#include <vector>
|
|
|
|
#include "api/transport/network_types.h"
|
|
#include "modules/include/module_common_types_public.h"
|
|
#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
|
|
#include "rtc_base/network/sent_packet.h"
|
|
#include "rtc_base/network_route.h"
|
|
#include "rtc_base/thread_annotations.h"
|
|
#include "rtc_base/thread_checker.h"
|
|
|
|
namespace webrtc {
|
|
|
|
struct PacketFeedback {
|
|
PacketFeedback() = default;
|
|
// Time corresponding to when this object was created.
|
|
Timestamp creation_time = Timestamp::MinusInfinity();
|
|
SentPacket sent;
|
|
// Time corresponding to when the packet was received. Timestamped with the
|
|
// receiver's clock. For unreceived packet, Timestamp::PlusInfinity() is
|
|
// used.
|
|
Timestamp receive_time = Timestamp::PlusInfinity();
|
|
|
|
// The network route that this packet is associated with.
|
|
rtc::NetworkRoute network_route;
|
|
};
|
|
|
|
class InFlightBytesTracker {
|
|
public:
|
|
void AddInFlightPacketBytes(const PacketFeedback& packet);
|
|
void RemoveInFlightPacketBytes(const PacketFeedback& packet);
|
|
DataSize GetOutstandingData(const rtc::NetworkRoute& network_route) const;
|
|
|
|
private:
|
|
struct NetworkRouteComparator {
|
|
bool operator()(const rtc::NetworkRoute& a,
|
|
const rtc::NetworkRoute& b) const;
|
|
};
|
|
std::map<rtc::NetworkRoute, DataSize, NetworkRouteComparator> in_flight_data_;
|
|
};
|
|
|
|
class TransportFeedbackAdapter {
|
|
public:
|
|
TransportFeedbackAdapter();
|
|
|
|
void AddPacket(const RtpPacketSendInfo& packet_info,
|
|
size_t overhead_bytes,
|
|
Timestamp creation_time);
|
|
absl::optional<SentPacket> ProcessSentPacket(
|
|
const rtc::SentPacket& sent_packet);
|
|
|
|
absl::optional<TransportPacketsFeedback> ProcessTransportFeedback(
|
|
const rtcp::TransportFeedback& feedback,
|
|
Timestamp feedback_receive_time);
|
|
|
|
void SetNetworkRoute(const rtc::NetworkRoute& network_route);
|
|
|
|
DataSize GetOutstandingData() const;
|
|
|
|
private:
|
|
enum class SendTimeHistoryStatus { kNotAdded, kOk, kDuplicate };
|
|
|
|
std::vector<PacketResult> ProcessTransportFeedbackInner(
|
|
const rtcp::TransportFeedback& feedback,
|
|
Timestamp feedback_receive_time);
|
|
|
|
DataSize pending_untracked_size_ = DataSize::Zero();
|
|
Timestamp last_send_time_ = Timestamp::MinusInfinity();
|
|
Timestamp last_untracked_send_time_ = Timestamp::MinusInfinity();
|
|
SequenceNumberUnwrapper seq_num_unwrapper_;
|
|
std::map<int64_t, PacketFeedback> history_;
|
|
|
|
// Sequence numbers are never negative, using -1 as it always < a real
|
|
// sequence number.
|
|
int64_t last_ack_seq_num_ = -1;
|
|
InFlightBytesTracker in_flight_;
|
|
|
|
Timestamp current_offset_ = Timestamp::MinusInfinity();
|
|
TimeDelta last_timestamp_ = TimeDelta::MinusInfinity();
|
|
|
|
rtc::NetworkRoute network_route_;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // MODULES_CONGESTION_CONTROLLER_RTP_TRANSPORT_FEEDBACK_ADAPTER_H_
|