7336eeb690
Added accessor and Parse function removed dependencies on structures from rtcp_utility.h (except RtcpCommonHeader) removed limitation of 50 items per TMMBN. BUG=webrtc:5260 R=åsapersson Review URL: https://codereview.webrtc.org/1670973002 Cr-Commit-Position: refs/heads/master@{#11524}
66 lines
2.1 KiB
C++
66 lines
2.1 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 WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBN_H_
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#define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBN_H_
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#include <vector>
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#include "webrtc/base/basictypes.h"
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#include "webrtc/modules/rtp_rtcp/source/rtcp_packet/rtpfb.h"
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#include "webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmb_item.h"
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#include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h"
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namespace webrtc {
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namespace rtcp {
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// Temporary Maximum Media Stream Bit Rate Notification (TMMBN).
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// RFC 5104, Section 4.2.2.
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class Tmmbn : public Rtpfb {
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public:
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static const uint8_t kFeedbackMessageType = 4;
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Tmmbn() {}
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~Tmmbn() override {}
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// Parse assumes header is already parsed and validated.
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bool Parse(const RTCPUtility::RtcpCommonHeader& header,
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const uint8_t* payload); // Size of the payload is in the header.
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void WithTmmbr(uint32_t ssrc, uint32_t bitrate_kbps, uint16_t overhead) {
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WithTmmbr(TmmbItem(ssrc, bitrate_kbps * 1000, overhead));
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}
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void WithTmmbr(const TmmbItem& item);
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const std::vector<TmmbItem>& items() const { return items_; }
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protected:
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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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RtcpPacket::PacketReadyCallback* callback) const override;
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private:
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size_t BlockLength() const override {
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return kHeaderLength + kCommonFeedbackLength +
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TmmbItem::kLength * items_.size();
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}
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// Media ssrc is unused, shadow base class setter and getter.
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void To(uint32_t ssrc);
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uint32_t media_ssrc() const;
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std::vector<TmmbItem> items_;
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RTC_DISALLOW_COPY_AND_ASSIGN(Tmmbn);
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};
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} // namespace rtcp
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} // namespace webrtc
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#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBN_H_
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