[313] | 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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[1029] | 4 | * granted under this license. |
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[313] | 5 | * |
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[1259] | 6 | * Copyright (c) 2010-2015, ITU/ISO/IEC |
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[313] | 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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[1029] | 38 | #ifndef __TENCRATECTRL__ |
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| 39 | #define __TENCRATECTRL__ |
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[313] | 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 | #include "../TLibEncoder/TEncCfg.h" |
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| 58 | #include <list> |
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| 59 | #include <cassert> |
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| 60 | |
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| 61 | const Int g_RCInvalidQPValue = -999; |
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| 62 | const Int g_RCSmoothWindowSize = 40; |
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| 63 | const Int g_RCMaxPicListSize = 32; |
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| 64 | const Double g_RCWeightPicTargetBitInGOP = 0.9; |
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| 65 | const Double g_RCWeightPicRargetBitInBuffer = 1.0 - g_RCWeightPicTargetBitInGOP; |
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| 66 | const Int g_RCIterationNum = 20; |
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| 67 | const Double g_RCWeightHistoryLambda = 0.5; |
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| 68 | const Double g_RCWeightCurrentLambda = 1.0 - g_RCWeightHistoryLambda; |
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| 69 | const Int g_RCLCUSmoothWindowSize = 4; |
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| 70 | const Double g_RCAlphaMinValue = 0.05; |
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| 71 | const Double g_RCAlphaMaxValue = 500.0; |
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| 72 | const Double g_RCBetaMinValue = -3.0; |
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| 73 | const Double g_RCBetaMaxValue = -0.1; |
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| 74 | |
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| 75 | #define ALPHA 6.7542; |
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| 76 | #define BETA1 1.2517 |
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| 77 | #define BETA2 1.7860 |
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| 78 | |
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| 79 | struct TRCLCU |
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| 80 | { |
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| 81 | Int m_actualBits; |
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| 82 | Int m_QP; // QP of skip mode is set to g_RCInvalidQPValue |
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| 83 | Int m_targetBits; |
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| 84 | Double m_lambda; |
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| 85 | Double m_bitWeight; |
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| 86 | Int m_numberOfPixel; |
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| 87 | Double m_costIntra; |
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| 88 | Int m_targetBitsLeft; |
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| 89 | }; |
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| 90 | |
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| 91 | struct TRCParameter |
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| 92 | { |
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| 93 | Double m_alpha; |
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| 94 | Double m_beta; |
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| 95 | }; |
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| 96 | |
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| 97 | class TEncRCSeq |
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| 98 | { |
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| 99 | public: |
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| 100 | TEncRCSeq(); |
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| 101 | ~TEncRCSeq(); |
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| 102 | |
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| 103 | public: |
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| 104 | Void create( Int totalFrames, Int targetBitrate, Int frameRate, Int GOPSize, Int picWidth, Int picHeight, Int LCUWidth, Int LCUHeight, Int numberOfLevel, Bool useLCUSeparateModel, Int adaptiveBit ); |
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| 105 | Void destroy(); |
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| 106 | Void initBitsRatio( Int bitsRatio[] ); |
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| 107 | Void initGOPID2Level( Int GOPID2Level[] ); |
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| 108 | Void initPicPara( TRCParameter* picPara = NULL ); // NULL to initial with default value |
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| 109 | Void initLCUPara( TRCParameter** LCUPara = NULL ); // NULL to initial with default value |
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| 110 | Void updateAfterPic ( Int bits ); |
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| 111 | Void setAllBitRatio( Double basicLambda, Double* equaCoeffA, Double* equaCoeffB ); |
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| 112 | |
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| 113 | public: |
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| 114 | Int getTotalFrames() { return m_totalFrames; } |
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| 115 | Int getTargetRate() { return m_targetRate; } |
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| 116 | Int getFrameRate() { return m_frameRate; } |
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| 117 | Int getGOPSize() { return m_GOPSize; } |
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| 118 | Int getPicWidth() { return m_picWidth; } |
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[1029] | 119 | Int getPicHeight() { return m_picHeight; } |
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[313] | 120 | Int getLCUWidth() { return m_LCUWidth; } |
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| 121 | Int getLCUHeight() { return m_LCUHeight; } |
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| 122 | Int getNumberOfLevel() { return m_numberOfLevel; } |
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| 123 | Int getAverageBits() { return m_averageBits; } |
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| 124 | Int getLeftAverageBits() { assert( m_framesLeft > 0 ); return (Int)(m_bitsLeft / m_framesLeft); } |
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| 125 | Bool getUseLCUSeparateModel() { return m_useLCUSeparateModel; } |
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| 126 | |
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| 127 | Int getNumPixel() { return m_numberOfPixel; } |
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| 128 | Int64 getTargetBits() { return m_targetBits; } |
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| 129 | Int getNumberOfLCU() { return m_numberOfLCU; } |
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| 130 | Int* getBitRatio() { return m_bitsRatio; } |
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| 131 | Int getBitRatio( Int idx ) { assert( idx<m_GOPSize); return m_bitsRatio[idx]; } |
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| 132 | Int* getGOPID2Level() { return m_GOPID2Level; } |
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| 133 | Int getGOPID2Level( Int ID ) { assert( ID < m_GOPSize ); return m_GOPID2Level[ID]; } |
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| 134 | TRCParameter* getPicPara() { return m_picPara; } |
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| 135 | TRCParameter getPicPara( Int level ) { assert( level < m_numberOfLevel ); return m_picPara[level]; } |
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| 136 | Void setPicPara( Int level, TRCParameter para ) { assert( level < m_numberOfLevel ); m_picPara[level] = para; } |
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| 137 | TRCParameter** getLCUPara() { return m_LCUPara; } |
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| 138 | TRCParameter* getLCUPara( Int level ) { assert( level < m_numberOfLevel ); return m_LCUPara[level]; } |
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| 139 | TRCParameter getLCUPara( Int level, Int LCUIdx ) { assert( LCUIdx < m_numberOfLCU ); return getLCUPara(level)[LCUIdx]; } |
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| 140 | 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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| 141 | |
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| 142 | Int getFramesLeft() { return m_framesLeft; } |
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| 143 | Int64 getBitsLeft() { return m_bitsLeft; } |
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| 144 | |
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| 145 | Double getSeqBpp() { return m_seqTargetBpp; } |
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| 146 | Double getAlphaUpdate() { return m_alphaUpdate; } |
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| 147 | Double getBetaUpdate() { return m_betaUpdate; } |
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| 148 | |
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| 149 | Int getAdaptiveBits() { return m_adaptiveBit; } |
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| 150 | Double getLastLambda() { return m_lastLambda; } |
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| 151 | Void setLastLambda( Double lamdba ) { m_lastLambda = lamdba; } |
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| 152 | |
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| 153 | private: |
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| 154 | Int m_totalFrames; |
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| 155 | Int m_targetRate; |
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[1029] | 156 | Int m_frameRate; |
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[313] | 157 | Int m_GOPSize; |
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| 158 | Int m_picWidth; |
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| 159 | Int m_picHeight; |
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| 160 | Int m_LCUWidth; |
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| 161 | Int m_LCUHeight; |
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| 162 | Int m_numberOfLevel; |
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| 163 | Int m_averageBits; |
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| 164 | |
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| 165 | Int m_numberOfPixel; |
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| 166 | Int64 m_targetBits; |
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| 167 | Int m_numberOfLCU; |
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| 168 | Int* m_bitsRatio; |
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| 169 | Int* m_GOPID2Level; |
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| 170 | TRCParameter* m_picPara; |
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| 171 | TRCParameter** m_LCUPara; |
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| 172 | |
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| 173 | Int m_framesLeft; |
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| 174 | Int64 m_bitsLeft; |
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| 175 | Double m_seqTargetBpp; |
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| 176 | Double m_alphaUpdate; |
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| 177 | Double m_betaUpdate; |
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| 178 | Bool m_useLCUSeparateModel; |
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| 179 | |
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| 180 | Int m_adaptiveBit; |
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| 181 | Double m_lastLambda; |
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| 182 | }; |
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| 183 | |
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| 184 | class TEncRCGOP |
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| 185 | { |
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| 186 | public: |
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| 187 | TEncRCGOP(); |
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| 188 | ~TEncRCGOP(); |
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| 189 | |
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| 190 | public: |
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| 191 | Void create( TEncRCSeq* encRCSeq, Int numPic ); |
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| 192 | Void destroy(); |
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| 193 | Void updateAfterPicture( Int bitsCost ); |
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| 194 | |
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| 195 | private: |
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| 196 | Int xEstGOPTargetBits( TEncRCSeq* encRCSeq, Int GOPSize ); |
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| 197 | Void xCalEquaCoeff( TEncRCSeq* encRCSeq, Double* lambdaRatio, Double* equaCoeffA, Double* equaCoeffB, Int GOPSize ); |
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| 198 | Double xSolveEqua( Double targetBpp, Double* equaCoeffA, Double* equaCoeffB, Int GOPSize ); |
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| 199 | |
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| 200 | public: |
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| 201 | TEncRCSeq* getEncRCSeq() { return m_encRCSeq; } |
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| 202 | Int getNumPic() { return m_numPic;} |
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| 203 | Int getTargetBits() { return m_targetBits; } |
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| 204 | Int getPicLeft() { return m_picLeft; } |
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| 205 | Int getBitsLeft() { return m_bitsLeft; } |
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| 206 | Int getTargetBitInGOP( Int i ) { return m_picTargetBitInGOP[i]; } |
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| 207 | |
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| 208 | private: |
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| 209 | TEncRCSeq* m_encRCSeq; |
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| 210 | Int* m_picTargetBitInGOP; |
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| 211 | Int m_numPic; |
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| 212 | Int m_targetBits; |
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| 213 | Int m_picLeft; |
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| 214 | Int m_bitsLeft; |
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| 215 | }; |
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| 216 | |
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| 217 | class TEncRCPic |
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| 218 | { |
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| 219 | public: |
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| 220 | TEncRCPic(); |
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| 221 | ~TEncRCPic(); |
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| 222 | |
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| 223 | public: |
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| 224 | Void create( TEncRCSeq* encRCSeq, TEncRCGOP* encRCGOP, Int frameLevel, list<TEncRCPic*>& listPreviousPictures ); |
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| 225 | Void destroy(); |
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| 226 | |
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| 227 | Int estimatePicQP ( Double lambda, list<TEncRCPic*>& listPreviousPictures ); |
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| 228 | Int getRefineBitsForIntra(Int orgBits); |
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[1029] | 229 | Double calculateLambdaIntra(Double alpha, Double beta, Double MADPerPixel, Double bitsPerPixel); |
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[313] | 230 | Double estimatePicLambda( list<TEncRCPic*>& listPreviousPictures, SliceType eSliceType); |
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| 231 | |
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[1029] | 232 | Void updateAlphaBetaIntra(Double *alpha, Double *beta); |
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[313] | 233 | |
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| 234 | Double getLCUTargetBpp(SliceType eSliceType); |
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| 235 | Double getLCUEstLambdaAndQP(Double bpp, Int clipPicQP, Int *estQP); |
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| 236 | Double getLCUEstLambda( Double bpp ); |
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| 237 | Int getLCUEstQP( Double lambda, Int clipPicQP ); |
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| 238 | |
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[1029] | 239 | Void updateAfterCTU( Int LCUIdx, Int bits, Int QP, Double lambda, Bool updateLCUParameter = true ); |
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[313] | 240 | Void updateAfterPicture( Int actualHeaderBits, Int actualTotalBits, Double averageQP, Double averageLambda, SliceType eSliceType); |
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| 241 | |
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| 242 | Void addToPictureLsit( list<TEncRCPic*>& listPreviousPictures ); |
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| 243 | Double calAverageQP(); |
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| 244 | Double calAverageLambda(); |
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| 245 | |
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| 246 | private: |
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| 247 | Int xEstPicTargetBits( TEncRCSeq* encRCSeq, TEncRCGOP* encRCGOP ); |
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| 248 | Int xEstPicHeaderBits( list<TEncRCPic*>& listPreviousPictures, Int frameLevel ); |
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| 249 | |
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| 250 | public: |
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| 251 | TEncRCSeq* getRCSequence() { return m_encRCSeq; } |
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| 252 | TEncRCGOP* getRCGOP() { return m_encRCGOP; } |
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| 253 | |
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| 254 | Int getFrameLevel() { return m_frameLevel; } |
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| 255 | Int getNumberOfPixel() { return m_numberOfPixel; } |
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| 256 | Int getNumberOfLCU() { return m_numberOfLCU; } |
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| 257 | Int getTargetBits() { return m_targetBits; } |
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| 258 | Int getEstHeaderBits() { return m_estHeaderBits; } |
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| 259 | Int getLCULeft() { return m_LCULeft; } |
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| 260 | Int getBitsLeft() { return m_bitsLeft; } |
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| 261 | Int getPixelsLeft() { return m_pixelsLeft; } |
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| 262 | Int getBitsCoded() { return m_targetBits - m_estHeaderBits - m_bitsLeft; } |
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| 263 | Int getLCUCoded() { return m_numberOfLCU - m_LCULeft; } |
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| 264 | TRCLCU* getLCU() { return m_LCUs; } |
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| 265 | TRCLCU& getLCU( Int LCUIdx ) { return m_LCUs[LCUIdx]; } |
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| 266 | Int getPicActualHeaderBits() { return m_picActualHeaderBits; } |
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| 267 | Void setTargetBits( Int bits ) { m_targetBits = bits; m_bitsLeft = bits;} |
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| 268 | Void setTotalIntraCost(Double cost) { m_totalCostIntra = cost; } |
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| 269 | Void getLCUInitTargetBits(); |
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| 270 | |
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| 271 | Int getPicActualBits() { return m_picActualBits; } |
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| 272 | Int getPicActualQP() { return m_picQP; } |
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| 273 | Double getPicActualLambda() { return m_picLambda; } |
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| 274 | Int getPicEstQP() { return m_estPicQP; } |
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| 275 | Void setPicEstQP( Int QP ) { m_estPicQP = QP; } |
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| 276 | Double getPicEstLambda() { return m_estPicLambda; } |
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| 277 | Void setPicEstLambda( Double lambda ) { m_picLambda = lambda; } |
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| 278 | |
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| 279 | private: |
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| 280 | TEncRCSeq* m_encRCSeq; |
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| 281 | TEncRCGOP* m_encRCGOP; |
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| 282 | |
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| 283 | Int m_frameLevel; |
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| 284 | Int m_numberOfPixel; |
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| 285 | Int m_numberOfLCU; |
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| 286 | Int m_targetBits; |
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| 287 | Int m_estHeaderBits; |
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| 288 | Int m_estPicQP; |
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| 289 | Double m_estPicLambda; |
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| 290 | |
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| 291 | Int m_LCULeft; |
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| 292 | Int m_bitsLeft; |
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| 293 | Int m_pixelsLeft; |
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| 294 | |
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| 295 | TRCLCU* m_LCUs; |
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| 296 | Int m_picActualHeaderBits; // only SH and potential APS |
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[1029] | 297 | Double m_totalCostIntra; |
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[313] | 298 | Double m_remainingCostIntra; |
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| 299 | Int m_picActualBits; // the whole picture, including header |
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| 300 | Int m_picQP; // in integer form |
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| 301 | Double m_picLambda; |
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| 302 | }; |
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| 303 | |
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| 304 | class TEncRateCtrl |
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| 305 | { |
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| 306 | public: |
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| 307 | TEncRateCtrl(); |
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| 308 | ~TEncRateCtrl(); |
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| 309 | |
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| 310 | public: |
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| 311 | Void init( Int totalFrames, Int targetBitrate, Int frameRate, Int GOPSize, Int picWidth, Int picHeight, Int LCUWidth, Int LCUHeight, Int keepHierBits, Bool useLCUSeparateModel, GOPEntry GOPList[MAX_GOP] ); |
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| 312 | Void destroy(); |
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| 313 | Void initRCPic( Int frameLevel ); |
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| 314 | Void initRCGOP( Int numberOfPictures ); |
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| 315 | Void destroyRCGOP(); |
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| 316 | |
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| 317 | public: |
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| 318 | Void setRCQP ( Int QP ) { m_RCQP = QP; } |
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| 319 | Int getRCQP () { return m_RCQP; } |
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| 320 | TEncRCSeq* getRCSeq() { assert ( m_encRCSeq != NULL ); return m_encRCSeq; } |
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| 321 | TEncRCGOP* getRCGOP() { assert ( m_encRCGOP != NULL ); return m_encRCGOP; } |
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| 322 | TEncRCPic* getRCPic() { assert ( m_encRCPic != NULL ); return m_encRCPic; } |
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| 323 | list<TEncRCPic*>& getPicList() { return m_listRCPictures; } |
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| 324 | |
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| 325 | private: |
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| 326 | TEncRCSeq* m_encRCSeq; |
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| 327 | TEncRCGOP* m_encRCGOP; |
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| 328 | TEncRCPic* m_encRCPic; |
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| 329 | list<TEncRCPic*> m_listRCPictures; |
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| 330 | Int m_RCQP; |
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| 331 | }; |
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| 332 | |
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| 333 | #endif |
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| 334 | |
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| 335 | |
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