a4f31bd03a
this is a slice of https://codereview.webrtc.org/1474693002/ All TMMBRSet functions intentionally left unchanged. Goal to make them obsolete, not to clear. BUG=webrtc:5565 Review URL: https://codereview.webrtc.org/1669323002 Cr-Commit-Position: refs/heads/master@{#11813}
94 lines
3.0 KiB
C++
94 lines
3.0 KiB
C++
/*
|
|
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_TMMBR_HELP_H_
|
|
#define WEBRTC_MODULES_RTP_RTCP_SOURCE_TMMBR_HELP_H_
|
|
|
|
#include <vector>
|
|
#include "webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmb_item.h"
|
|
#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
|
|
#include "webrtc/typedefs.h"
|
|
|
|
namespace webrtc {
|
|
class TMMBRSet : public std::vector<rtcp::TmmbItem>
|
|
{
|
|
public:
|
|
void VerifyAndAllocateSet(uint32_t minimumSize);
|
|
void VerifyAndAllocateSetKeepingData(uint32_t minimumSize);
|
|
// Number of valid data items in set.
|
|
uint32_t lengthOfSet() const { return size(); }
|
|
// Presently allocated max size of set.
|
|
uint32_t sizeOfSet() const { return capacity(); }
|
|
void clearSet() { clear(); }
|
|
uint32_t Tmmbr(int i) const {
|
|
return (*this)[i].bitrate_bps() / 1000;
|
|
}
|
|
uint32_t PacketOH(int i) const {
|
|
return (*this)[i].packet_overhead();
|
|
}
|
|
uint32_t Ssrc(int i) const {
|
|
return (*this)[i].ssrc();
|
|
}
|
|
void SetEntry(unsigned int i,
|
|
uint32_t tmmbrSet,
|
|
uint32_t packetOHSet,
|
|
uint32_t ssrcSet);
|
|
|
|
void AddEntry(uint32_t tmmbrSet,
|
|
uint32_t packetOHSet,
|
|
uint32_t ssrcSet);
|
|
|
|
// Remove one entry from table, and move all others down.
|
|
void RemoveEntry(uint32_t sourceIdx);
|
|
|
|
void SwapEntries(uint32_t firstIdx,
|
|
uint32_t secondIdx);
|
|
|
|
// Set entry data to zero, but keep it in table.
|
|
void ClearEntry(uint32_t idx);
|
|
};
|
|
|
|
class TMMBRHelp
|
|
{
|
|
public:
|
|
TMMBRHelp();
|
|
virtual ~TMMBRHelp();
|
|
|
|
TMMBRSet* BoundingSet(); // used for debuging
|
|
TMMBRSet* CandidateSet();
|
|
TMMBRSet* BoundingSetToSend();
|
|
|
|
TMMBRSet* VerifyAndAllocateCandidateSet(const uint32_t minimumSize);
|
|
int32_t FindTMMBRBoundingSet(TMMBRSet*& boundingSet);
|
|
int32_t SetTMMBRBoundingSetToSend(const TMMBRSet* boundingSetToSend);
|
|
|
|
bool IsOwner(const uint32_t ssrc, const uint32_t length) const;
|
|
|
|
bool CalcMinBitRate(uint32_t* minBitrateKbit) const;
|
|
|
|
protected:
|
|
TMMBRSet* VerifyAndAllocateBoundingSet(uint32_t minimumSize);
|
|
int32_t VerifyAndAllocateBoundingSetToSend(uint32_t minimumSize);
|
|
|
|
int32_t FindTMMBRBoundingSet(int32_t numCandidates, TMMBRSet& candidateSet);
|
|
|
|
private:
|
|
CriticalSectionWrapper* _criticalSection;
|
|
TMMBRSet _candidateSet;
|
|
TMMBRSet _boundingSet;
|
|
TMMBRSet _boundingSetToSend;
|
|
|
|
float* _ptrIntersectionBoundingSet;
|
|
float* _ptrMaxPRBoundingSet;
|
|
};
|
|
} // namespace webrtc
|
|
|
|
#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_TMMBR_HELP_H_
|