daa90a7e35
BUG=webrtc:5565 R=philipel@webrtc.org Review URL: https://codereview.webrtc.org/2224933002 . Cr-Commit-Position: refs/heads/master@{#13702}
63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
/*
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* Copyright (c) 2012 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_TMMBR_HELP_H_
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#define WEBRTC_MODULES_RTP_RTCP_SOURCE_TMMBR_HELP_H_
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#include <vector>
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#include "webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmb_item.h"
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#include "webrtc/typedefs.h"
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namespace webrtc {
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class TMMBRSet : public std::vector<rtcp::TmmbItem> {
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public:
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void VerifyAndAllocateSet(uint32_t minimumSize);
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void VerifyAndAllocateSetKeepingData(uint32_t minimumSize);
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// Number of valid data items in set.
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uint32_t lengthOfSet() const { return size(); }
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// Presently allocated max size of set.
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uint32_t sizeOfSet() const { return capacity(); }
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void clearSet() { clear(); }
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uint32_t Tmmbr(int i) const { return (*this)[i].bitrate_bps() / 1000; }
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uint32_t PacketOH(int i) const { return (*this)[i].packet_overhead(); }
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uint32_t Ssrc(int i) const { return (*this)[i].ssrc(); }
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void SetEntry(unsigned int i,
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uint32_t tmmbrSet,
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uint32_t packetOHSet,
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uint32_t ssrcSet);
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void AddEntry(uint32_t tmmbrSet, uint32_t packetOHSet, uint32_t ssrcSet);
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// Remove one entry from table, and move all others down.
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void RemoveEntry(uint32_t sourceIdx);
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};
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class TMMBRHelp {
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public:
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TMMBRSet* CandidateSet();
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TMMBRSet* VerifyAndAllocateCandidateSet(const uint32_t minimumSize);
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std::vector<rtcp::TmmbItem> FindTMMBRBoundingSet();
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static bool IsOwner(const std::vector<rtcp::TmmbItem>& bounding,
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uint32_t ssrc);
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bool CalcMinBitRate(uint32_t* minBitrateKbit) const;
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static void FindBoundingSet(std::vector<rtcp::TmmbItem> candidates,
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std::vector<rtcp::TmmbItem>* bounding_set);
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private:
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TMMBRSet _candidateSet;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_TMMBR_HELP_H_
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