source: SHVCSoftware/trunk/source/Lib/TLibEncoder/TEncRateCtrl.h @ 2

Last change on this file since 2 was 2, checked in by seregin, 12 years ago

Initial import by Vadim Seregin <vseregin@…>
File size: 6.7 KB
RevLine 
[2]1/* The copyright in this software is being made available under the BSD
2 * License, included below. This software may be subject to other third party
3 * and contributor rights, including patent rights, and no such rights are
4 * granted under this license. 
5 *
6 * Copyright (c) 2010-2012, ITU/ISO/IEC
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
12 *  * Redistributions of source code must retain the above copyright notice,
13 *    this list of conditions and the following disclaimer.
14 *  * Redistributions in binary form must reproduce the above copyright notice,
15 *    this list of conditions and the following disclaimer in the documentation
16 *    and/or other materials provided with the distribution.
17 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18 *    be used to endorse or promote products derived from this software without
19 *    specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34/** \file     TEncRateCtrl.h
35    \brief    Rate control manager class
36*/
37
38#ifndef _HM_TENCRATECTRL_H_
39#define _HM_TENCRATECTRL_H_
40
41#if _MSC_VER > 1000
42#pragma once
43#endif // _MSC_VER > 1000
44
45
46#include "../TLibCommon/CommonDef.h"
47#include "../TLibCommon/TComDataCU.h"
48
49#include <vector>
50#include <algorithm>
51
52using namespace std;
53
54//! \ingroup TLibEncoder
55//! \{
56
57// ====================================================================================================================
58// Class definition
59// ====================================================================================================================
60#define MAX_DELTA_QP    2
61#define MAX_CUDQP_DEPTH 0
62
63typedef struct FrameData
64{
65  Bool       m_isReferenced;
66  Int        m_qp;
67  Int        m_bits;
68  Double     m_costMAD;
69}FrameData;
70
71typedef struct LCUData
72{
73  Int     m_qp;                ///<  coded QP
74  Int     m_bits;              ///<  actually generated bits
75  Int     m_pixels;            ///<  number of pixels for a unit
76  Int     m_widthInPixel;      ///<  number of pixels for width
77  Int     m_heightInPixel;     ///<  number of pixels for height
78  Double  m_costMAD;           ///<  texture complexity for a unit
79}LCUData;
80
81class MADLinearModel
82{
83private:
84  Bool   m_activeOn;
85  Double m_paramY1;
86  Double m_paramY2;
87  Double m_costMADs[3];
88
89public:
90  MADLinearModel ()   {};
91  ~MADLinearModel()   {};
92 
93  Void    initMADLinearModel      ();
94  Double  getMAD                  ();
95  Void    updateMADLiearModel     ();
96  Void    updateMADHistory        (Double costMAD);
97  Bool    IsUpdateAvailable       ()              { return m_activeOn; }
98};
99
100class PixelBaseURQQuadraticModel
101{
102private:
103  Double m_paramHighX1;
104  Double m_paramHighX2;
105  Double m_paramLowX1;
106  Double m_paramLowX2;
107public:
108  PixelBaseURQQuadraticModel () {};
109  ~PixelBaseURQQuadraticModel() {};
110
111  Void    initPixelBaseQuadraticModel       ();
112  Int     getQP                             (Int qp, Int targetBits, Int numberOfPixels, Double costPredMAD);
113  Void    updatePixelBasedURQQuadraticModel (Int qp, Int bits, Int numberOfPixels, Double costMAD);
114  Bool    checkUpdateAvailable              (Int qpReference );
115  Double  xConvertQP2QStep                  (Int qp );
116  Int     xConvertQStep2QP                  (Double qStep );
117};
118
119class TEncRateCtrl
120{
121private:
122  Bool            m_isLowdelay;
123  Int             m_prevBitrate;
124  Int             m_currBitrate;
125  Int             m_frameRate;
126  Int             m_refFrameNum;
127  Int             m_nonRefFrameNum;
128  Int             m_numOfPixels;
129  Int             m_sourceWidthInLCU;
130  Int             m_sourceHeightInLCU;     
131  Int             m_sizeGOP;
132  Int             m_indexGOP;
133  Int             m_indexFrame;
134  Int             m_indexLCU;
135  Int             m_indexUnit;
136  Int             m_indexRefFrame;
137  Int             m_indexNonRefFrame;
138  Int             m_indexPOCInGOP;
139  Int             m_indexPrevPOCInGOP;
140  Int             m_occupancyVB;
141  Int             m_initialOVB;
142  Int             m_targetBufLevel;
143  Int             m_initialTBL;
144  Int             m_remainingBitsInGOP;
145  Int             m_remainingBitsInFrame;
146  Int             m_occupancyVBInFrame;
147  Int             m_targetBits;
148  Int             m_numUnitInFrame;
149  Int             m_codedPixels;
150  Bool            m_activeUnitLevelOn;
151  Double          m_costNonRefAvgWeighting;
152  Double          m_costRefAvgWeighting;
153  Double          m_costAvgbpp;         
154 
155  FrameData*      m_pcFrameData;
156  LCUData*        m_pcLCUData;
157
158  MADLinearModel              m_cMADLinearModel;
159  PixelBaseURQQuadraticModel  m_cPixelURQQuadraticModel;
160 
161public:
162  TEncRateCtrl         () {};
163  virtual ~TEncRateCtrl() {};
164
165  Void          create                (Int sizeIntraPeriod, Int sizeGOP, Int frameRate, Int targetKbps, Int qp, Int numLCUInBasicUnit, Int sourceWidth, Int sourceHeight, Int maxCUWidth, Int maxCUHeight);
166  Void          destroy               ();
167
168  Void          initFrameData         (Int qp = 0);
169  Void          initUnitData          (Int qp = 0);
170  Int           getFrameQP            (Bool isReferenced, Int POC);
171  Bool          calculateUnitQP       ();
172  Int           getUnitQP             ()                                          { return m_pcLCUData[m_indexLCU].m_qp;  }
173  Void          updateRCGOPStatus     ();
174  Void          updataRCFrameStatus   (Int frameBits, SliceType eSliceType);
175  Void          updataRCUnitStatus    ();
176  Void          updateLCUData         (TComDataCU* pcCU, UInt64 actualLCUBits, Int qp);
177  Void          updateFrameData       (UInt64 actualFrameBits);
178  Double        xAdjustmentBits       (Int& reductionBits, Int& compensationBits);
179  Int           getGOPId              ()                                          { return m_indexFrame; }
180};
181#endif
182
183
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