80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
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/*
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* Copyright (c) 2011 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 "typedefs.h"
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#include "critical_section_wrapper.h"
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#ifndef NULL
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#define NULL 0
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#endif
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namespace webrtc {
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class TMMBRSet
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{
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public:
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TMMBRSet();
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~TMMBRSet();
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void VerifyAndAllocateSet(WebRtc_UWord32 minimumSize);
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WebRtc_UWord32* ptrTmmbrSet;
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WebRtc_UWord32* ptrPacketOHSet;
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WebRtc_UWord32* ptrSsrcSet;
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WebRtc_UWord32 sizeOfSet;
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WebRtc_UWord32 lengthOfSet;
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};
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class TMMBRHelp
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{
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public:
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TMMBRHelp(const bool audio);
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virtual ~TMMBRHelp();
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TMMBRSet* BoundingSet(); // used for debuging
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TMMBRSet* CandidateSet();
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TMMBRSet* BoundingSetToSend();
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TMMBRSet* VerifyAndAllocateCandidateSet(const WebRtc_UWord32 minimumSize);
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WebRtc_Word32 FindTMMBRBoundingSet(TMMBRSet*& boundingSet);
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WebRtc_Word32 SetTMMBRBoundingSetToSend(const TMMBRSet* boundingSetToSend,
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const WebRtc_UWord32 maxBitrateKbit);
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bool IsOwner(const WebRtc_UWord32 ssrc,
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const WebRtc_UWord32 length) const;
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WebRtc_Word32 CalcMinMaxBitRate(const WebRtc_UWord32 totalPacketRate,
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const WebRtc_UWord32 lengthOfBoundingSet,
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WebRtc_UWord32& minBitrateKbit,
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WebRtc_UWord32& maxBitrateKbit) const;
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protected:
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TMMBRSet* VerifyAndAllocateBoundingSet(WebRtc_UWord32 minimumSize);
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WebRtc_Word32 VerifyAndAllocateBoundingSetToSend(WebRtc_UWord32 minimumSize);
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WebRtc_Word32 FindTMMBRBoundingSet(WebRtc_Word32 numCandidates, TMMBRSet& candidateSet);
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private:
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CriticalSectionWrapper& _criticalSection;
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const bool _audio;
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TMMBRSet _candidateSet;
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TMMBRSet _boundingSet;
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TMMBRSet _boundingSetToSend;
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float* _ptrIntersectionBoundingSet;
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float* _ptrMaxPRBoundingSet;
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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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