65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
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/*
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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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*/
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#ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBR_H_
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#define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBR_H_
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#include "webrtc/base/basictypes.h"
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#include "webrtc/modules/rtp_rtcp/source/rtcp_packet.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 Request (TMMBR) (RFC 5104).
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class Tmmbr : public RtcpPacket {
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public:
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Tmmbr() : RtcpPacket() {
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memset(&tmmbr_, 0, sizeof(tmmbr_));
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memset(&tmmbr_item_, 0, sizeof(tmmbr_item_));
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}
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virtual ~Tmmbr() {}
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void From(uint32_t ssrc) {
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tmmbr_.SenderSSRC = ssrc;
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}
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void To(uint32_t ssrc) {
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tmmbr_item_.SSRC = ssrc;
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}
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void WithBitrateKbps(uint32_t bitrate_kbps) {
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tmmbr_item_.MaxTotalMediaBitRate = bitrate_kbps;
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}
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void WithOverhead(uint16_t overhead) {
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assert(overhead <= 0x1ff);
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tmmbr_item_.MeasuredOverhead = overhead;
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}
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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 {
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const size_t kFciLen = 8;
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return kCommonFbFmtLength + kFciLen;
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}
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RTCPUtility::RTCPPacketRTPFBTMMBR tmmbr_;
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RTCPUtility::RTCPPacketRTPFBTMMBRItem tmmbr_item_;
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RTC_DISALLOW_COPY_AND_ASSIGN(Tmmbr);
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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_TMMBR_H_
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