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}
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
/*
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* Copyright (c) 2015 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_APP_H_
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#define MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_APP_H_
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#include <stddef.h>
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#include <stdint.h>
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#include "modules/rtp_rtcp/source/rtcp_packet.h"
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#include "rtc_base/buffer.h"
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namespace webrtc {
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namespace rtcp {
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class CommonHeader;
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class App : public RtcpPacket {
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public:
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static constexpr uint8_t kPacketType = 204;
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App();
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~App() override;
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// Parse assumes header is already parsed and validated.
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bool Parse(const CommonHeader& packet);
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void SetSsrc(uint32_t ssrc) { ssrc_ = ssrc; }
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void SetSubType(uint8_t subtype);
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void SetName(uint32_t name) { name_ = name; }
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void SetData(const uint8_t* data, size_t data_length);
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uint8_t sub_type() const { return sub_type_; }
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uint32_t ssrc() const { return ssrc_; }
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uint32_t name() const { return name_; }
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size_t data_size() const { return data_.size(); }
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const uint8_t* data() const { return data_.data(); }
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size_t BlockLength() const override;
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bool Create(uint8_t* packet,
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size_t* index,
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size_t max_length,
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PacketReadyCallback callback) const override;
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static inline constexpr uint32_t NameToInt(const char name[5]) {
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return static_cast<uint32_t>(name[0]) << 24 |
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static_cast<uint32_t>(name[1]) << 16 |
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static_cast<uint32_t>(name[2]) << 8 | static_cast<uint32_t>(name[3]);
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}
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private:
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static constexpr size_t kAppBaseLength = 8; // Ssrc and Name.
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static constexpr size_t kMaxDataSize = 0xffff * 4 - kAppBaseLength;
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uint8_t sub_type_;
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uint32_t ssrc_;
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uint32_t name_;
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rtc::Buffer data_;
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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_APP_H_
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