[51] | 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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| 4 | * granted under this license. |
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| 5 | * |
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| 6 | * Copyright (c) 2010-2013, ITU/ISO/IEC |
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| 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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| 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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| 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | /** \file TEncRateCtrl.h |
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| 35 | \brief Rate control manager class |
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| 36 | */ |
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| 37 | |
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| 38 | #ifndef _HM_TENCRATECTRL_H_ |
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| 39 | #define _HM_TENCRATECTRL_H_ |
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| 40 | |
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| 41 | #if _MSC_VER > 1000 |
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| 42 | #pragma once |
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| 43 | #endif // _MSC_VER > 1000 |
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| 44 | |
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| 45 | |
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| 46 | #include "../TLibCommon/CommonDef.h" |
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| 47 | #include "../TLibCommon/TComDataCU.h" |
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| 48 | |
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| 49 | #include <vector> |
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| 50 | #include <algorithm> |
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| 51 | |
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| 52 | using namespace std; |
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| 53 | |
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| 54 | //! \ingroup TLibEncoder |
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| 55 | //! \{ |
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| 56 | |
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| 57 | #if RATE_CONTROL_LAMBDA_DOMAIN |
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| 58 | #include "../TLibEncoder/TEncCfg.h" |
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| 59 | #include <list> |
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| 60 | #include <cassert> |
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| 61 | |
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| 62 | const Int g_RCInvalidQPValue = -999; |
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| 63 | const Int g_RCSmoothWindowSize = 40; |
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| 64 | const Int g_RCMaxPicListSize = 32; |
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| 65 | const Double g_RCWeightPicTargetBitInGOP = 0.9; |
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| 66 | const Double g_RCWeightPicRargetBitInBuffer = 1.0 - g_RCWeightPicTargetBitInGOP; |
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| 67 | |
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| 68 | struct TRCLCU |
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| 69 | { |
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| 70 | Int m_actualBits; |
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| 71 | Int m_QP; // QP of skip mode is set to g_RCInvalidQPValue |
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| 72 | Int m_targetBits; |
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| 73 | Double m_lambda; |
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| 74 | Double m_MAD; |
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| 75 | Int m_numberOfPixel; |
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| 76 | }; |
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| 77 | |
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| 78 | struct TRCParameter |
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| 79 | { |
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| 80 | Double m_alpha; |
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| 81 | Double m_beta; |
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| 82 | }; |
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| 83 | |
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| 84 | class TEncRCSeq |
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| 85 | { |
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| 86 | public: |
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| 87 | TEncRCSeq(); |
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| 88 | ~TEncRCSeq(); |
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| 89 | |
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| 90 | public: |
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| 91 | Void create( Int totalFrames, Int targetBitrate, Int frameRate, Int GOPSize, Int picWidth, Int picHeight, Int LCUWidth, Int LCUHeight, Int numberOfLevel, Bool useLCUSeparateModel ); |
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| 92 | Void destroy(); |
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| 93 | Void initBitsRatio( Int bitsRatio[] ); |
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| 94 | Void initGOPID2Level( Int GOPID2Level[] ); |
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| 95 | Void initPicPara( TRCParameter* picPara = NULL ); // NULL to initial with default value |
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| 96 | Void initLCUPara( TRCParameter** LCUPara = NULL ); // NULL to initial with default value |
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| 97 | Void updateAfterPic ( Int bits ); |
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| 98 | Int getRefineBitsForIntra( Int orgBits ); |
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| 99 | |
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| 100 | public: |
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| 101 | Int getTotalFrames() { return m_totalFrames; } |
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| 102 | Int getTargetRate() { return m_targetRate; } |
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| 103 | Int getFrameRate() { return m_frameRate; } |
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| 104 | Int getGOPSize() { return m_GOPSize; } |
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| 105 | Int getPicWidth() { return m_picWidth; } |
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| 106 | Int getPicHeight() { return m_picHeight; } |
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| 107 | Int getLCUWidth() { return m_LCUWidth; } |
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| 108 | Int getLCUHeight() { return m_LCUHeight; } |
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| 109 | Int getNumberOfLevel() { return m_numberOfLevel; } |
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| 110 | Int getAverageBits() { return m_averageBits; } |
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| 111 | Int getLeftAverageBits() { assert( m_framesLeft > 0 ); return (Int)(m_bitsLeft / m_framesLeft); } |
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| 112 | Bool getUseLCUSeparateModel() { return m_useLCUSeparateModel; } |
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| 113 | |
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| 114 | Int getNumPixel() { return m_numberOfPixel; } |
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| 115 | Int64 getTargetBits() { return m_targetBits; } |
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| 116 | Int getNumberOfLCU() { return m_numberOfLCU; } |
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| 117 | Int* getBitRatio() { return m_bitsRatio; } |
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| 118 | Int getBitRatio( Int idx ) { assert( idx<m_GOPSize); return m_bitsRatio[idx]; } |
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| 119 | Int* getGOPID2Level() { return m_GOPID2Level; } |
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| 120 | Int getGOPID2Level( Int ID ) { assert( ID < m_GOPSize ); return m_GOPID2Level[ID]; } |
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| 121 | TRCParameter* getPicPara() { return m_picPara; } |
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| 122 | TRCParameter getPicPara( Int level ) { assert( level < m_numberOfLevel ); return m_picPara[level]; } |
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| 123 | Void setPicPara( Int level, TRCParameter para ) { assert( level < m_numberOfLevel ); m_picPara[level] = para; } |
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| 124 | TRCParameter** getLCUPara() { return m_LCUPara; } |
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| 125 | TRCParameter* getLCUPara( Int level ) { assert( level < m_numberOfLevel ); return m_LCUPara[level]; } |
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| 126 | TRCParameter getLCUPara( Int level, Int LCUIdx ) { assert( LCUIdx < m_numberOfLCU ); return getLCUPara(level)[LCUIdx]; } |
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| 127 | Void setLCUPara( Int level, Int LCUIdx, TRCParameter para ) { assert( level < m_numberOfLevel ); assert( LCUIdx < m_numberOfLCU ); m_LCUPara[level][LCUIdx] = para; } |
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| 128 | |
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| 129 | Int getFramesLeft() { return m_framesLeft; } |
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| 130 | Int64 getBitsLeft() { return m_bitsLeft; } |
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| 131 | |
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| 132 | Double getSeqBpp() { return m_seqTargetBpp; } |
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| 133 | Double getAlphaUpdate() { return m_alphaUpdate; } |
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| 134 | Double getBetaUpdate() { return m_betaUpdate; } |
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| 135 | |
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| 136 | private: |
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| 137 | Int m_totalFrames; |
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| 138 | Int m_targetRate; |
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| 139 | Int m_frameRate; |
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| 140 | Int m_GOPSize; |
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| 141 | Int m_picWidth; |
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| 142 | Int m_picHeight; |
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| 143 | Int m_LCUWidth; |
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| 144 | Int m_LCUHeight; |
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| 145 | Int m_numberOfLevel; |
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| 146 | Int m_averageBits; |
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| 147 | |
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| 148 | Int m_numberOfPixel; |
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| 149 | Int64 m_targetBits; |
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| 150 | Int m_numberOfLCU; |
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| 151 | Int* m_bitsRatio; |
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| 152 | Int* m_GOPID2Level; |
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| 153 | TRCParameter* m_picPara; |
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| 154 | TRCParameter** m_LCUPara; |
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| 155 | |
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| 156 | Int m_framesLeft; |
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| 157 | Int64 m_bitsLeft; |
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| 158 | Double m_seqTargetBpp; |
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| 159 | Double m_alphaUpdate; |
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| 160 | Double m_betaUpdate; |
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| 161 | Bool m_useLCUSeparateModel; |
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| 162 | }; |
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| 163 | |
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| 164 | class TEncRCGOP |
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| 165 | { |
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| 166 | public: |
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| 167 | TEncRCGOP(); |
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| 168 | ~TEncRCGOP(); |
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| 169 | |
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| 170 | public: |
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| 171 | Void create( TEncRCSeq* encRCSeq, Int numPic ); |
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| 172 | Void destroy(); |
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| 173 | Void updateAfterPicture( Int bitsCost ); |
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| 174 | |
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| 175 | private: |
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| 176 | Int xEstGOPTargetBits( TEncRCSeq* encRCSeq, Int GOPSize ); |
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| 177 | |
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| 178 | public: |
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| 179 | TEncRCSeq* getEncRCSeq() { return m_encRCSeq; } |
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| 180 | Int getNumPic() { return m_numPic;} |
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| 181 | Int getTargetBits() { return m_targetBits; } |
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| 182 | Int getPicLeft() { return m_picLeft; } |
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| 183 | Int getBitsLeft() { return m_bitsLeft; } |
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| 184 | Int getTargetBitInGOP( Int i ) { return m_picTargetBitInGOP[i]; } |
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| 185 | |
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| 186 | private: |
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| 187 | TEncRCSeq* m_encRCSeq; |
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| 188 | Int* m_picTargetBitInGOP; |
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| 189 | Int m_numPic; |
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| 190 | Int m_targetBits; |
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| 191 | Int m_picLeft; |
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| 192 | Int m_bitsLeft; |
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| 193 | }; |
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| 194 | |
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| 195 | class TEncRCPic |
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| 196 | { |
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| 197 | public: |
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| 198 | TEncRCPic(); |
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| 199 | ~TEncRCPic(); |
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| 200 | |
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| 201 | public: |
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| 202 | Void create( TEncRCSeq* encRCSeq, TEncRCGOP* encRCGOP, Int frameLevel, list<TEncRCPic*>& listPreviousPictures ); |
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| 203 | Void destroy(); |
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| 204 | |
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| 205 | Double estimatePicLambda( list<TEncRCPic*>& listPreviousPictures ); |
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| 206 | Int estimatePicQP ( Double lambda, list<TEncRCPic*>& listPreviousPictures ); |
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| 207 | Double getLCUTargetBpp(); |
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| 208 | Double getLCUEstLambda( Double bpp ); |
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| 209 | Int getLCUEstQP( Double lambda, Int clipPicQP ); |
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| 210 | |
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| 211 | Void updateAfterLCU( Int LCUIdx, Int bits, Int QP, Double lambda, Bool updateLCUParameter = true ); |
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| 212 | Void updateAfterPicture( Int actualHeaderBits, Int actualTotalBits, Double averageQP, Double averageLambda, Double effectivePercentage ); |
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| 213 | |
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| 214 | Void addToPictureLsit( list<TEncRCPic*>& listPreviousPictures ); |
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| 215 | Double getEffectivePercentage(); |
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| 216 | Double calAverageQP(); |
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| 217 | Double calAverageLambda(); |
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| 218 | |
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| 219 | private: |
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| 220 | Int xEstPicTargetBits( TEncRCSeq* encRCSeq, TEncRCGOP* encRCGOP ); |
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| 221 | Int xEstPicHeaderBits( list<TEncRCPic*>& listPreviousPictures, Int frameLevel ); |
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| 222 | |
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| 223 | public: |
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| 224 | TEncRCSeq* getRCSequence() { return m_encRCSeq; } |
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| 225 | TEncRCGOP* getRCGOP() { return m_encRCGOP; } |
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| 226 | |
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| 227 | Int getFrameLevel() { return m_frameLevel; } |
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| 228 | Int getNumberOfPixel() { return m_numberOfPixel; } |
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| 229 | Int getNumberOfLCU() { return m_numberOfLCU; } |
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| 230 | Int getTargetBits() { return m_targetBits; } |
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| 231 | Void setTargetBits( Int bits ) { m_targetBits = bits; } |
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| 232 | Int getEstHeaderBits() { return m_estHeaderBits; } |
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| 233 | Int getLCULeft() { return m_LCULeft; } |
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| 234 | Int getBitsLeft() { return m_bitsLeft; } |
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| 235 | Int getPixelsLeft() { return m_pixelsLeft; } |
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| 236 | Int getBitsCoded() { return m_targetBits - m_estHeaderBits - m_bitsLeft; } |
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| 237 | Int getLCUCoded() { return m_numberOfLCU - m_LCULeft; } |
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| 238 | TRCLCU* getLCU() { return m_LCUs; } |
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| 239 | TRCLCU& getLCU( Int LCUIdx ) { return m_LCUs[LCUIdx]; } |
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| 240 | Int getPicActualHeaderBits() { return m_picActualHeaderBits; } |
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| 241 | Double getTotalMAD() { return m_totalMAD; } |
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| 242 | Void setTotalMAD( Double MAD ) { m_totalMAD = MAD; } |
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| 243 | Int getPicActualBits() { return m_picActualBits; } |
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| 244 | Int getPicActualQP() { return m_picQP; } |
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| 245 | Double getPicActualLambda() { return m_picLambda; } |
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| 246 | Int getPicEstQP() { return m_estPicQP; } |
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| 247 | Void setPicEstQP( Int QP ) { m_estPicQP = QP; } |
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| 248 | Double getPicEstLambda() { return m_estPicLambda; } |
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| 249 | Void setPicEstLambda( Double lambda ) { m_picLambda = lambda; } |
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| 250 | |
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| 251 | private: |
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| 252 | TEncRCSeq* m_encRCSeq; |
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| 253 | TEncRCGOP* m_encRCGOP; |
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| 254 | |
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| 255 | Int m_frameLevel; |
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| 256 | Int m_numberOfPixel; |
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| 257 | Int m_numberOfLCU; |
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| 258 | Int m_targetBits; |
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| 259 | Int m_estHeaderBits; |
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| 260 | Int m_estPicQP; |
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| 261 | Double m_estPicLambda; |
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| 262 | |
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| 263 | Int m_LCULeft; |
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| 264 | Int m_bitsLeft; |
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| 265 | Int m_pixelsLeft; |
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| 266 | |
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| 267 | TRCLCU* m_LCUs; |
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| 268 | Int m_picActualHeaderBits; // only SH and potential APS |
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| 269 | Double m_totalMAD; |
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| 270 | Int m_picActualBits; // the whole picture, including header |
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| 271 | Int m_picQP; // in integer form |
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| 272 | Double m_picLambda; |
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| 273 | TEncRCPic* m_lastPicture; |
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| 274 | }; |
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| 275 | |
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| 276 | class TEncRateCtrl |
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| 277 | { |
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| 278 | public: |
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| 279 | TEncRateCtrl(); |
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| 280 | ~TEncRateCtrl(); |
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| 281 | |
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| 282 | public: |
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| 283 | Void init( Int totalFrames, Int targetBitrate, Int frameRate, Int GOPSize, Int picWidth, Int picHeight, Int LCUWidth, Int LCUHeight, Bool keepHierBits, Bool useLCUSeparateModel, GOPEntry GOPList[MAX_GOP] ); |
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| 284 | Void destroy(); |
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| 285 | Void initRCPic( Int frameLevel ); |
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| 286 | Void initRCGOP( Int numberOfPictures ); |
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| 287 | Void destroyRCGOP(); |
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| 288 | |
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| 289 | public: |
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| 290 | Void setRCQP ( Int QP ) { m_RCQP = QP; } |
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| 291 | Int getRCQP () { return m_RCQP; } |
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| 292 | TEncRCSeq* getRCSeq() { assert ( m_encRCSeq != NULL ); return m_encRCSeq; } |
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| 293 | TEncRCGOP* getRCGOP() { assert ( m_encRCGOP != NULL ); return m_encRCGOP; } |
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| 294 | TEncRCPic* getRCPic() { assert ( m_encRCPic != NULL ); return m_encRCPic; } |
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| 295 | list<TEncRCPic*>& getPicList() { return m_listRCPictures; } |
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| 296 | |
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| 297 | private: |
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| 298 | TEncRCSeq* m_encRCSeq; |
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| 299 | TEncRCGOP* m_encRCGOP; |
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| 300 | TEncRCPic* m_encRCPic; |
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| 301 | list<TEncRCPic*> m_listRCPictures; |
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| 302 | Int m_RCQP; |
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| 303 | }; |
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| 304 | |
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| 305 | #else |
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| 306 | |
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| 307 | // ==================================================================================================================== |
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| 308 | // Class definition |
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| 309 | // ==================================================================================================================== |
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| 310 | #define MAX_DELTA_QP 2 |
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| 311 | #define MAX_CUDQP_DEPTH 0 |
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| 312 | |
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| 313 | typedef struct FrameData |
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| 314 | { |
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| 315 | Bool m_isReferenced; |
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| 316 | Int m_qp; |
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| 317 | Int m_bits; |
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| 318 | Double m_costMAD; |
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| 319 | }FrameData; |
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| 320 | |
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| 321 | typedef struct LCUData |
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| 322 | { |
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| 323 | Int m_qp; ///< coded QP |
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| 324 | Int m_bits; ///< actually generated bits |
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| 325 | Int m_pixels; ///< number of pixels for a unit |
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| 326 | Int m_widthInPixel; ///< number of pixels for width |
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| 327 | Int m_heightInPixel; ///< number of pixels for height |
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| 328 | Double m_costMAD; ///< texture complexity for a unit |
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| 329 | }LCUData; |
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| 330 | |
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| 331 | class MADLinearModel |
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| 332 | { |
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| 333 | private: |
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| 334 | Bool m_activeOn; |
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| 335 | Double m_paramY1; |
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| 336 | Double m_paramY2; |
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| 337 | Double m_costMADs[3]; |
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| 338 | |
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| 339 | public: |
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| 340 | MADLinearModel () {}; |
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| 341 | ~MADLinearModel() {}; |
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| 342 | |
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| 343 | Void initMADLinearModel (); |
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| 344 | Double getMAD (); |
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| 345 | Void updateMADLiearModel (); |
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| 346 | Void updateMADHistory (Double costMAD); |
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| 347 | Bool IsUpdateAvailable () { return m_activeOn; } |
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| 348 | }; |
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| 349 | |
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| 350 | class PixelBaseURQQuadraticModel |
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| 351 | { |
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| 352 | private: |
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| 353 | Double m_paramHighX1; |
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| 354 | Double m_paramHighX2; |
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| 355 | Double m_paramLowX1; |
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| 356 | Double m_paramLowX2; |
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| 357 | public: |
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| 358 | PixelBaseURQQuadraticModel () {}; |
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| 359 | ~PixelBaseURQQuadraticModel() {}; |
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| 360 | |
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| 361 | Void initPixelBaseQuadraticModel (); |
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| 362 | Int getQP (Int qp, Int targetBits, Int numberOfPixels, Double costPredMAD); |
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| 363 | Void updatePixelBasedURQQuadraticModel (Int qp, Int bits, Int numberOfPixels, Double costMAD); |
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| 364 | Bool checkUpdateAvailable (Int qpReference ); |
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| 365 | Double xConvertQP2QStep (Int qp ); |
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| 366 | Int xConvertQStep2QP (Double qStep ); |
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| 367 | }; |
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| 368 | |
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| 369 | class TEncRateCtrl |
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| 370 | { |
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| 371 | private: |
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| 372 | Bool m_isLowdelay; |
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| 373 | Int m_prevBitrate; |
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| 374 | Int m_currBitrate; |
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| 375 | Int m_frameRate; |
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| 376 | Int m_refFrameNum; |
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| 377 | Int m_nonRefFrameNum; |
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| 378 | Int m_numOfPixels; |
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| 379 | Int m_sourceWidthInLCU; |
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| 380 | Int m_sourceHeightInLCU; |
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| 381 | Int m_sizeGOP; |
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| 382 | Int m_indexGOP; |
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| 383 | Int m_indexFrame; |
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| 384 | Int m_indexLCU; |
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| 385 | Int m_indexUnit; |
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| 386 | Int m_indexRefFrame; |
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| 387 | Int m_indexNonRefFrame; |
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| 388 | Int m_indexPOCInGOP; |
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| 389 | Int m_indexPrevPOCInGOP; |
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| 390 | Int m_occupancyVB; |
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| 391 | Int m_initialOVB; |
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| 392 | Int m_targetBufLevel; |
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| 393 | Int m_initialTBL; |
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| 394 | Int m_remainingBitsInGOP; |
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| 395 | Int m_remainingBitsInFrame; |
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| 396 | Int m_occupancyVBInFrame; |
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| 397 | Int m_targetBits; |
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| 398 | Int m_numUnitInFrame; |
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| 399 | Int m_codedPixels; |
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| 400 | Bool m_activeUnitLevelOn; |
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| 401 | Double m_costNonRefAvgWeighting; |
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| 402 | Double m_costRefAvgWeighting; |
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| 403 | Double m_costAvgbpp; |
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| 404 | |
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| 405 | FrameData* m_pcFrameData; |
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| 406 | LCUData* m_pcLCUData; |
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| 407 | |
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| 408 | MADLinearModel m_cMADLinearModel; |
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| 409 | PixelBaseURQQuadraticModel m_cPixelURQQuadraticModel; |
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| 410 | |
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| 411 | public: |
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| 412 | TEncRateCtrl () {}; |
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| 413 | virtual ~TEncRateCtrl() {}; |
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| 414 | |
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| 415 | Void create (Int sizeIntraPeriod, Int sizeGOP, Int frameRate, Int targetKbps, Int qp, Int numLCUInBasicUnit, Int sourceWidth, Int sourceHeight, Int maxCUWidth, Int maxCUHeight); |
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| 416 | Void destroy (); |
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| 417 | |
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| 418 | Void initFrameData (Int qp = 0); |
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| 419 | Void initUnitData (Int qp = 0); |
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| 420 | Int getFrameQP (Bool isReferenced, Int POC); |
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| 421 | Bool calculateUnitQP (); |
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| 422 | Int getUnitQP () { return m_pcLCUData[m_indexLCU].m_qp; } |
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| 423 | Void updateRCGOPStatus (); |
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| 424 | Void updataRCFrameStatus (Int frameBits, SliceType eSliceType); |
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| 425 | Void updataRCUnitStatus (); |
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| 426 | Void updateLCUData (TComDataCU* pcCU, UInt64 actualLCUBits, Int qp); |
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| 427 | Void updateFrameData (UInt64 actualFrameBits); |
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| 428 | Double xAdjustmentBits (Int& reductionBits, Int& compensationBits); |
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| 429 | Int getGOPId () { return m_indexFrame; } |
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| 430 | }; |
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| 431 | #endif |
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| 432 | |
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| 433 | #endif |
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| 434 | |
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| 435 | |
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