[5] | 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) 2010-2011, 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 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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[2] | 33 | |
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| 34 | |
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[5] | 35 | |
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[2] | 36 | /** \file TComPattern.h |
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| 37 | \brief neighbouring pixel access classes (header) |
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| 38 | */ |
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| 39 | |
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| 40 | #ifndef __TCOMPATTERN__ |
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| 41 | #define __TCOMPATTERN__ |
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| 42 | |
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| 43 | // Include files |
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| 44 | #include <stdio.h> |
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| 45 | #include "CommonDef.h" |
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| 46 | |
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| 47 | // ==================================================================================================================== |
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| 48 | // Class definition |
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| 49 | // ==================================================================================================================== |
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| 50 | |
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| 51 | class TComDataCU; |
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| 52 | |
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| 53 | /// neighbouring pixel access class for one component |
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| 54 | class TComPatternParam |
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| 55 | { |
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| 56 | private: |
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| 57 | Int m_iOffsetLeft; |
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| 58 | Int m_iOffsetRight; |
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| 59 | Int m_iOffsetAbove; |
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| 60 | Int m_iOffsetBottom; |
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| 61 | Pel* m_piPatternOrigin; |
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| 62 | |
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| 63 | public: |
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| 64 | Int m_iROIWidth; |
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| 65 | Int m_iROIHeight; |
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| 66 | Int m_iPatternStride; |
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| 67 | |
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| 68 | /// return starting position of buffer |
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| 69 | Pel* getPatternOrigin() { return m_piPatternOrigin; } |
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| 70 | |
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| 71 | /// return starting position of ROI (ROI = &pattern[AboveOffset][LeftOffset]) |
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| 72 | __inline Pel* getROIOrigin() |
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| 73 | { |
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| 74 | return m_piPatternOrigin + m_iPatternStride * m_iOffsetAbove + m_iOffsetLeft; |
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| 75 | } |
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| 76 | |
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| 77 | /// set parameters from Pel buffer for accessing neighbouring pixels |
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| 78 | Void setPatternParamPel ( Pel* piTexture, |
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| 79 | Int iRoiWidth, |
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| 80 | Int iRoiHeight, |
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| 81 | Int iStride, |
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| 82 | Int iOffsetLeft, |
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| 83 | Int iOffsetRight, |
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| 84 | Int iOffsetAbove, |
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| 85 | Int iOffsetBottom ); |
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| 86 | |
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| 87 | /// set parameters of one color component from CU data for accessing neighbouring pixels |
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| 88 | Void setPatternParamCU ( TComDataCU* pcCU, |
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| 89 | UChar iComp, |
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| 90 | UChar iRoiWidth, |
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| 91 | UChar iRoiHeight, |
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| 92 | Int iOffsetLeft, |
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| 93 | Int iOffsetRight, |
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| 94 | Int iOffsetAbove, |
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| 95 | Int iOffsetBottom, |
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| 96 | UInt uiPartDepth, |
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[5] | 97 | UInt uiAbsZorderIdx |
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| 98 | #if DEPTH_MAP_GENERATION |
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| 99 | ,Bool bPrdDepthMap = false |
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| 100 | #endif |
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| 101 | ); |
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[2] | 102 | }; |
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| 103 | |
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| 104 | /// neighbouring pixel access class for all components |
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| 105 | class TComPattern |
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| 106 | { |
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| 107 | private: |
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| 108 | TComPatternParam m_cPatternY; |
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| 109 | TComPatternParam m_cPatternCb; |
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| 110 | TComPatternParam m_cPatternCr; |
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| 111 | #if MN_DC_PRED_FILTER |
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| 112 | Bool m_bAboveFlagForDCFilt; |
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| 113 | Bool m_bLeftFlagForDCFilt; |
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| 114 | Bool m_bDCPredFilterFlag; |
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| 115 | #endif |
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| 116 | |
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| 117 | #if LM_CHROMA |
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| 118 | Bool m_bLeftAvailable; |
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| 119 | Bool m_bAboveAvailable; |
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| 120 | #endif |
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| 121 | |
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| 122 | public: |
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| 123 | |
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| 124 | // ROI & pattern information, (ROI = &pattern[AboveOffset][LeftOffset]) |
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| 125 | Pel* getROIY() { return m_cPatternY.getROIOrigin(); } |
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| 126 | Int getROIYWidth() { return m_cPatternY.m_iROIWidth; } |
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| 127 | Int getROIYHeight() { return m_cPatternY.m_iROIHeight; } |
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| 128 | Int getPatternLStride() { return m_cPatternY.m_iPatternStride; } |
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| 129 | #if MN_DC_PRED_FILTER |
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| 130 | Bool getDCPredFilterFlag() { return m_bDCPredFilterFlag; } |
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| 131 | #endif |
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| 132 | |
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| 133 | // access functions of ADI buffers |
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| 134 | Int* getAdiOrgBuf ( Int iCuWidth, Int iCuHeight, Int* piAdiBuf ); |
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| 135 | Int* getAdiCbBuf ( Int iCuWidth, Int iCuHeight, Int* piAdiBuf ); |
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| 136 | Int* getAdiCrBuf ( Int iCuWidth, Int iCuHeight, Int* piAdiBuf ); |
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| 137 | |
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| 138 | #if QC_MDIS |
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| 139 | Int* getPredictorPtr ( UInt uiDirMode, UInt uiWidthBits, Int iCuWidth, Int iCuHeight, Int* piAdiBuf ); |
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| 140 | #endif //QC_MDIS |
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| 141 | // ------------------------------------------------------------------------------------------------------------------- |
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| 142 | // initialization functions |
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| 143 | // ------------------------------------------------------------------------------------------------------------------- |
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| 144 | |
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| 145 | /// set parameters from Pel buffers for accessing neighbouring pixels |
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| 146 | Void initPattern ( Pel* piY, |
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| 147 | Pel* piCb, |
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| 148 | Pel* piCr, |
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| 149 | Int iRoiWidth, |
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| 150 | Int iRoiHeight, |
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| 151 | Int iStride, |
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| 152 | Int iOffsetLeft, |
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| 153 | Int iOffsetRight, |
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| 154 | Int iOffsetAbove, |
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| 155 | Int iOffsetBottom ); |
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| 156 | |
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| 157 | /// set parameters from CU data for accessing neighbouring pixels |
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| 158 | Void initPattern ( TComDataCU* pcCU, |
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| 159 | UInt uiPartDepth, |
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[5] | 160 | UInt uiAbsPartIdx |
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| 161 | #if DEPTH_MAP_GENERATION |
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| 162 | ,Bool bPrdDepthMap = false |
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| 163 | #endif |
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| 164 | ); |
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[2] | 165 | |
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| 166 | /// set luma parameters from CU data for accessing ADI data |
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| 167 | Void initAdiPattern ( TComDataCU* pcCU, |
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| 168 | UInt uiZorderIdxInPart, |
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| 169 | UInt uiPartDepth, |
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| 170 | Int* piAdiBuf, |
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| 171 | Int iOrgBufStride, |
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| 172 | Int iOrgBufHeight, |
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| 173 | Bool& bAbove, |
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[5] | 174 | Bool& bLeft |
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| 175 | #if DEPTH_MAP_GENERATION |
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[20] | 176 | , |
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| 177 | Bool bPrdDepthMap = false, |
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| 178 | UInt uiSubSampExpX = 0, |
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| 179 | UInt uiSubSampExpY = 0 |
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[5] | 180 | #endif |
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| 181 | ); |
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[2] | 182 | |
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| 183 | /// set chroma parameters from CU data for accessing ADI data |
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| 184 | Void initAdiPatternChroma ( TComDataCU* pcCU, |
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| 185 | UInt uiZorderIdxInPart, |
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| 186 | UInt uiPartDepth, |
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| 187 | Int* piAdiBuf, |
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| 188 | Int iOrgBufStride, |
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| 189 | Int iOrgBufHeight, |
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| 190 | Bool& bAbove, |
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| 191 | Bool& bLeft ); |
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| 192 | |
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| 193 | #if LM_CHROMA |
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| 194 | Bool isLeftAvailable() { return m_bLeftAvailable; } |
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| 195 | Bool isAboveAvailable() { return m_bAboveAvailable; } |
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| 196 | #endif |
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| 197 | |
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| 198 | #if (CONSTRAINED_INTRA_PRED || REFERENCE_SAMPLE_PADDING) |
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| 199 | private: |
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| 200 | |
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| 201 | #if REFERENCE_SAMPLE_PADDING |
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| 202 | /// padding of unavailable reference samples for intra prediction |
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[5] | 203 | Void fillReferenceSamples ( TComDataCU* pcCU, Pel* piRoiOrigin, Int* piAdiTemp, Bool* bNeighborFlags, Int iNumIntraNeighbor, Int iUnitSize, Int iNumUnitsInCu, Int iTotalUnits, UInt uiCuWidth, UInt uiCuHeight, UInt uiWidth, UInt uiHeight, Int iPicStride |
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| 204 | #if DEPTH_MAP_GENERATION |
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| 205 | , Bool bPrdDepthMap |
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[2] | 206 | #endif |
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[5] | 207 | ); |
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| 208 | #endif |
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[2] | 209 | #if CONSTRAINED_INTRA_PRED |
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| 210 | /// constrained intra prediction |
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| 211 | Bool isAboveLeftAvailableForCIP ( TComDataCU* pcCU, UInt uiPartIdxLT ); |
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| 212 | #if REFERENCE_SAMPLE_PADDING |
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| 213 | Int isAboveAvailableForCIP ( TComDataCU* pcCU, UInt uiPartIdxLT, UInt uiPartIdxRT, Bool* bValidFlags ); |
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| 214 | Int isLeftAvailableForCIP ( TComDataCU* pcCU, UInt uiPartIdxLT, UInt uiPartIdxLB, Bool* bValidFlags ); |
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| 215 | Int isAboveRightAvailableForCIP ( TComDataCU* pcCU, UInt uiPartIdxLT, UInt uiPartIdxRT, Bool* bValidFlags ); |
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| 216 | Int isBelowLeftAvailableForCIP ( TComDataCU* pcCU, UInt uiPartIdxLT, UInt uiPartIdxLB, Bool* bValidFlags ); |
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| 217 | #else |
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| 218 | Bool isAboveAvailableForCIP ( TComDataCU* pcCU, UInt uiPartIdxLT, UInt uiPartIdxRT ); |
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| 219 | Bool isLeftAvailableForCIP ( TComDataCU* pcCU, UInt uiPartIdxLT, UInt uiPartIdxLB ); |
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| 220 | Bool isAboveRightAvailableForCIP ( TComDataCU* pcCU, UInt uiPartIdxLT, UInt uiPartIdxRT ); |
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| 221 | Bool isBelowLeftAvailableForCIP ( TComDataCU* pcCU, UInt uiPartIdxLT, UInt uiPartIdxLB ); |
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| 222 | #endif |
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| 223 | #endif // CONSTRAINED_INTRA_PRED |
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| 224 | #endif |
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| 225 | }; |
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| 226 | |
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| 227 | #endif // __TCOMPATTERN__ |
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| 228 | |
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