e1795f4158
This adds the RemoteEstimate rtcp packet and wires it up to GoogCC where it's used to improve congestion controller behavior. The functionality is negotiated using SDP. It's added with a field trial that allow disabling the functionality in case there's any issues. Bug: webrtc:10742 Change-Id: I1ea8e4216a27cd2b00505c99b42d1e38726256c8 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/146602 Reviewed-by: Stefan Holmer <stefan@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Commit-Queue: Sebastian Jansson <srte@webrtc.org> Cr-Commit-Position: refs/heads/master@{#28654}
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
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* Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_REMOTE_ESTIMATE_H_
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#define MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_REMOTE_ESTIMATE_H_
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#include <memory>
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#include <vector>
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#include "api/transport/network_types.h"
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#include "modules/rtp_rtcp/source/rtcp_packet/app.h"
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namespace webrtc {
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namespace rtcp {
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class CommonHeader;
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class RemoteEstimateSerializer {
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public:
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virtual bool Parse(rtc::ArrayView<const uint8_t> src,
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NetworkStateEstimate* target) const = 0;
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virtual rtc::Buffer Serialize(const NetworkStateEstimate& src) const = 0;
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virtual ~RemoteEstimateSerializer() = default;
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};
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// Using a static global implementation to avoid incurring initialization
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// overhead of the serializer every time RemoteEstimate is created.
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const RemoteEstimateSerializer* GetRemoteEstimateSerializer();
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class RemoteEstimate : public App {
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public:
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RemoteEstimate();
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// Note, sub type must be unique among all app messages with "goog" name.
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static constexpr uint8_t kSubType = 13;
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static constexpr uint32_t kName = NameToInt("goog");
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static TimeDelta GetTimestampPeriod();
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static bool IsNetworkEstimate(const CommonHeader& packet);
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bool Parse(const CommonHeader& packet);
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void SetEstimate(NetworkStateEstimate estimate);
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NetworkStateEstimate estimate() const { return estimate_; }
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private:
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NetworkStateEstimate estimate_;
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const RemoteEstimateSerializer* const serializer_;
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};
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} // namespace rtcp
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} // namespace webrtc
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#endif // MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_REMOTE_ESTIMATE_H_
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