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dfd5c4b15e
Bug: webrtc:10312 Change-Id: I1b24e23f8002feef8a2ef928130ac6da19c3cd81 Reviewed-on: https://webrtc-review.googlesource.com/c/122580 Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Mirta Dvornicic <mirtad@webrtc.org> Commit-Queue: Björn Terelius <terelius@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26670}
62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
/*
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* Copyright (c) 2016 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_FIR_H_
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#define MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_FIR_H_
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#include <vector>
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#include "modules/rtp_rtcp/source/rtcp_packet/psfb.h"
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namespace webrtc {
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namespace rtcp {
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class CommonHeader;
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// Full intra request (FIR) (RFC 5104).
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class Fir : public Psfb {
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public:
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static constexpr uint8_t kFeedbackMessageType = 4;
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struct Request {
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Request() : ssrc(0), seq_nr(0) {}
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Request(uint32_t ssrc, uint8_t seq_nr) : ssrc(ssrc), seq_nr(seq_nr) {}
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uint32_t ssrc;
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uint8_t seq_nr;
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};
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Fir();
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Fir(const Fir& fir);
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~Fir() 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 AddRequestTo(uint32_t ssrc, uint8_t seq_num) {
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items_.emplace_back(ssrc, seq_num);
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}
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const std::vector<Request>& requests() const { return items_; }
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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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private:
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static constexpr size_t kFciLength = 8;
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// SSRC of media source is not used in FIR packet. Shadow base functions.
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void SetMediaSsrc(uint32_t ssrc);
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uint32_t media_ssrc() const;
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std::vector<Request> items_;
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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_FIR_H_
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