| 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) 2010-2016, 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 TComLoopFilter.cpp |
|---|
| 35 | \brief deblocking filter |
|---|
| 36 | */ |
|---|
| 37 | |
|---|
| 38 | #include "TComLoopFilter.h" |
|---|
| 39 | #include "TComSlice.h" |
|---|
| 40 | #include "TComMv.h" |
|---|
| 41 | #include "TComTU.h" |
|---|
| 42 | |
|---|
| 43 | //! \ingroup TLibCommon |
|---|
| 44 | //! \{ |
|---|
| 45 | |
|---|
| 46 | // ==================================================================================================================== |
|---|
| 47 | // Constants |
|---|
| 48 | // ==================================================================================================================== |
|---|
| 49 | |
|---|
| 50 | //#define EDGE_VER 0 |
|---|
| 51 | //#define EDGE_HOR 1 |
|---|
| 52 | |
|---|
| 53 | #define DEFAULT_INTRA_TC_OFFSET 2 ///< Default intra TC offset |
|---|
| 54 | |
|---|
| 55 | // ==================================================================================================================== |
|---|
| 56 | // Tables |
|---|
| 57 | // ==================================================================================================================== |
|---|
| 58 | |
|---|
| 59 | const UChar TComLoopFilter::sm_tcTable[MAX_QP + 1 + DEFAULT_INTRA_TC_OFFSET] = |
|---|
| 60 | { |
|---|
| 61 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,5,5,6,6,7,8,9,10,11,13,14,16,18,20,22,24 |
|---|
| 62 | }; |
|---|
| 63 | |
|---|
| 64 | const UChar TComLoopFilter::sm_betaTable[MAX_QP + 1] = |
|---|
| 65 | { |
|---|
| 66 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,7,8,9,10,11,12,13,14,15,16,17,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64 |
|---|
| 67 | }; |
|---|
| 68 | |
|---|
| 69 | // ==================================================================================================================== |
|---|
| 70 | // Constructor / destructor / create / destroy |
|---|
| 71 | // ==================================================================================================================== |
|---|
| 72 | |
|---|
| 73 | TComLoopFilter::TComLoopFilter() |
|---|
| 74 | : m_uiNumPartitions(0) |
|---|
| 75 | , m_bLFCrossTileBoundary(true) |
|---|
| 76 | { |
|---|
| 77 | for( Int edgeDir = 0; edgeDir < NUM_EDGE_DIR; edgeDir++ ) |
|---|
| 78 | { |
|---|
| 79 | m_aapucBS [edgeDir] = NULL; |
|---|
| 80 | m_aapbEdgeFilter[edgeDir] = NULL; |
|---|
| 81 | } |
|---|
| 82 | } |
|---|
| 83 | |
|---|
| 84 | TComLoopFilter::~TComLoopFilter() |
|---|
| 85 | { |
|---|
| 86 | } |
|---|
| 87 | |
|---|
| 88 | // ==================================================================================================================== |
|---|
| 89 | // Public member functions |
|---|
| 90 | // ==================================================================================================================== |
|---|
| 91 | Void TComLoopFilter::setCfg( Bool bLFCrossTileBoundary ) |
|---|
| 92 | { |
|---|
| 93 | m_bLFCrossTileBoundary = bLFCrossTileBoundary; |
|---|
| 94 | } |
|---|
| 95 | |
|---|
| 96 | Void TComLoopFilter::create( UInt uiMaxCUDepth ) |
|---|
| 97 | { |
|---|
| 98 | destroy(); |
|---|
| 99 | m_uiNumPartitions = 1 << ( uiMaxCUDepth<<1 ); |
|---|
| 100 | for( Int edgeDir = 0; edgeDir < NUM_EDGE_DIR; edgeDir++ ) |
|---|
| 101 | { |
|---|
| 102 | m_aapucBS [edgeDir] = new UChar[m_uiNumPartitions]; |
|---|
| 103 | m_aapbEdgeFilter[edgeDir] = new Bool [m_uiNumPartitions]; |
|---|
| 104 | } |
|---|
| 105 | } |
|---|
| 106 | |
|---|
| 107 | Void TComLoopFilter::destroy() |
|---|
| 108 | { |
|---|
| 109 | for( Int edgeDir = 0; edgeDir < NUM_EDGE_DIR; edgeDir++ ) |
|---|
| 110 | { |
|---|
| 111 | if (m_aapucBS[edgeDir] != NULL) |
|---|
| 112 | { |
|---|
| 113 | delete [] m_aapucBS[edgeDir]; |
|---|
| 114 | m_aapucBS[edgeDir] = NULL; |
|---|
| 115 | } |
|---|
| 116 | |
|---|
| 117 | if (m_aapbEdgeFilter[edgeDir]) |
|---|
| 118 | { |
|---|
| 119 | delete [] m_aapbEdgeFilter[edgeDir]; |
|---|
| 120 | m_aapbEdgeFilter[edgeDir] = NULL; |
|---|
| 121 | } |
|---|
| 122 | } |
|---|
| 123 | } |
|---|
| 124 | |
|---|
| 125 | /** |
|---|
| 126 | - call deblocking function for every CU |
|---|
| 127 | . |
|---|
| 128 | \param pcPic picture class (TComPic) pointer |
|---|
| 129 | */ |
|---|
| 130 | Void TComLoopFilter::loopFilterPic( TComPic* pcPic ) |
|---|
| 131 | { |
|---|
| 132 | // Horizontal filtering |
|---|
| 133 | for ( UInt ctuRsAddr = 0; ctuRsAddr < pcPic->getNumberOfCtusInFrame(); ctuRsAddr++ ) |
|---|
| 134 | { |
|---|
| 135 | TComDataCU* pCtu = pcPic->getCtu( ctuRsAddr ); |
|---|
| 136 | |
|---|
| 137 | ::memset( m_aapucBS [EDGE_VER], 0, sizeof( UChar ) * m_uiNumPartitions ); |
|---|
| 138 | ::memset( m_aapbEdgeFilter[EDGE_VER], 0, sizeof( Bool ) * m_uiNumPartitions ); |
|---|
| 139 | |
|---|
| 140 | // CU-based deblocking |
|---|
| 141 | xDeblockCU( pCtu, 0, 0, EDGE_VER ); |
|---|
| 142 | } |
|---|
| 143 | |
|---|
| 144 | // Vertical filtering |
|---|
| 145 | for ( UInt ctuRsAddr = 0; ctuRsAddr < pcPic->getNumberOfCtusInFrame(); ctuRsAddr++ ) |
|---|
| 146 | { |
|---|
| 147 | TComDataCU* pCtu = pcPic->getCtu( ctuRsAddr ); |
|---|
| 148 | |
|---|
| 149 | ::memset( m_aapucBS [EDGE_HOR], 0, sizeof( UChar ) * m_uiNumPartitions ); |
|---|
| 150 | ::memset( m_aapbEdgeFilter[EDGE_HOR], 0, sizeof( Bool ) * m_uiNumPartitions ); |
|---|
| 151 | |
|---|
| 152 | // CU-based deblocking |
|---|
| 153 | xDeblockCU( pCtu, 0, 0, EDGE_HOR ); |
|---|
| 154 | } |
|---|
| 155 | } |
|---|
| 156 | |
|---|
| 157 | |
|---|
| 158 | // ==================================================================================================================== |
|---|
| 159 | // Protected member functions |
|---|
| 160 | // ==================================================================================================================== |
|---|
| 161 | |
|---|
| 162 | /** |
|---|
| 163 | Deblocking filter process in CU-based (the same function as conventional's) |
|---|
| 164 | |
|---|
| 165 | \param pcCU Pointer to CTU/CU structure |
|---|
| 166 | \param uiAbsZorderIdx Position in CU |
|---|
| 167 | \param uiDepth Depth in CU |
|---|
| 168 | \param edgeDir the direction of the edge in block boundary (horizontal/vertical), which is added newly |
|---|
| 169 | */ |
|---|
| 170 | Void TComLoopFilter::xDeblockCU( TComDataCU* pcCU, UInt uiAbsZorderIdx, UInt uiDepth, DeblockEdgeDir edgeDir ) |
|---|
| 171 | { |
|---|
| 172 | if(pcCU->getPic()==0||pcCU->getPartitionSize(uiAbsZorderIdx)==NUMBER_OF_PART_SIZES) |
|---|
| 173 | { |
|---|
| 174 | return; |
|---|
| 175 | } |
|---|
| 176 | TComPic* pcPic = pcCU->getPic(); |
|---|
| 177 | UInt uiCurNumParts = pcPic->getNumPartitionsInCtu() >> (uiDepth<<1); |
|---|
| 178 | UInt uiQNumParts = uiCurNumParts>>2; |
|---|
| 179 | const TComSPS &sps = *(pcCU->getSlice()->getSPS()); |
|---|
| 180 | |
|---|
| 181 | if( pcCU->getDepth(uiAbsZorderIdx) > uiDepth ) |
|---|
| 182 | { |
|---|
| 183 | for ( UInt uiPartIdx = 0; uiPartIdx < 4; uiPartIdx++, uiAbsZorderIdx+=uiQNumParts ) |
|---|
| 184 | { |
|---|
| 185 | UInt uiLPelX = pcCU->getCUPelX() + g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsZorderIdx] ]; |
|---|
| 186 | UInt uiTPelY = pcCU->getCUPelY() + g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsZorderIdx] ]; |
|---|
| 187 | if( ( uiLPelX < sps.getPicWidthInLumaSamples() ) && ( uiTPelY < sps.getPicHeightInLumaSamples() ) ) |
|---|
| 188 | { |
|---|
| 189 | xDeblockCU( pcCU, uiAbsZorderIdx, uiDepth+1, edgeDir ); |
|---|
| 190 | } |
|---|
| 191 | } |
|---|
| 192 | return; |
|---|
| 193 | } |
|---|
| 194 | |
|---|
| 195 | xSetLoopfilterParam( pcCU, uiAbsZorderIdx ); |
|---|
| 196 | TComTURecurse tuRecurse(pcCU, uiAbsZorderIdx); |
|---|
| 197 | xSetEdgefilterTU ( tuRecurse ); |
|---|
| 198 | xSetEdgefilterPU ( pcCU, uiAbsZorderIdx ); |
|---|
| 199 | |
|---|
| 200 | const UInt uiPelsInPart = sps.getMaxCUWidth() >> sps.getMaxTotalCUDepth(); |
|---|
| 201 | |
|---|
| 202 | for( UInt uiPartIdx = uiAbsZorderIdx; uiPartIdx < uiAbsZorderIdx + uiCurNumParts; uiPartIdx++ ) |
|---|
| 203 | { |
|---|
| 204 | UInt uiBSCheck; |
|---|
| 205 | if( uiPelsInPart == 4 ) |
|---|
| 206 | { |
|---|
| 207 | uiBSCheck = (edgeDir == EDGE_VER && uiPartIdx%2 == 0) || (edgeDir == EDGE_HOR && (uiPartIdx-((uiPartIdx>>2)<<2))/2 == 0); |
|---|
| 208 | } |
|---|
| 209 | else |
|---|
| 210 | { |
|---|
| 211 | uiBSCheck = 1; |
|---|
| 212 | } |
|---|
| 213 | |
|---|
| 214 | if ( m_aapbEdgeFilter[edgeDir][uiPartIdx] && uiBSCheck ) |
|---|
| 215 | { |
|---|
| 216 | xGetBoundaryStrengthSingle ( pcCU, edgeDir, uiPartIdx ); |
|---|
| 217 | } |
|---|
| 218 | } |
|---|
| 219 | |
|---|
| 220 | UInt PartIdxIncr = DEBLOCK_SMALLEST_BLOCK / uiPelsInPart ? DEBLOCK_SMALLEST_BLOCK / uiPelsInPart : 1 ; |
|---|
| 221 | |
|---|
| 222 | UInt uiSizeInPU = pcPic->getNumPartInCtuWidth()>>(uiDepth); |
|---|
| 223 | const ChromaFormat chFmt=pcPic->getChromaFormat(); |
|---|
| 224 | const UInt shiftFactor = edgeDir == EDGE_VER ? pcPic->getComponentScaleX(COMPONENT_Cb) : pcPic->getComponentScaleY(COMPONENT_Cb); |
|---|
| 225 | const Bool bAlwaysDoChroma=chFmt==CHROMA_444; |
|---|
| 226 | |
|---|
| 227 | for ( Int iEdge = 0; iEdge < uiSizeInPU ; iEdge+=PartIdxIncr) |
|---|
| 228 | { |
|---|
| 229 | xEdgeFilterLuma ( pcCU, uiAbsZorderIdx, uiDepth, edgeDir, iEdge ); |
|---|
| 230 | if ( chFmt!=CHROMA_400 && (bAlwaysDoChroma || |
|---|
| 231 | (uiPelsInPart>DEBLOCK_SMALLEST_BLOCK) || |
|---|
| 232 | (iEdge % ( (DEBLOCK_SMALLEST_BLOCK<<shiftFactor)/uiPelsInPart ) ) == 0 |
|---|
| 233 | ) |
|---|
| 234 | ) |
|---|
| 235 | { |
|---|
| 236 | xEdgeFilterChroma ( pcCU, uiAbsZorderIdx, uiDepth, edgeDir, iEdge ); |
|---|
| 237 | } |
|---|
| 238 | } |
|---|
| 239 | } |
|---|
| 240 | |
|---|
| 241 | Void TComLoopFilter::xSetEdgefilterMultiple( TComDataCU* pcCU, |
|---|
| 242 | UInt uiAbsZorderIdx, |
|---|
| 243 | UInt uiDepth, |
|---|
| 244 | DeblockEdgeDir edgeDir, |
|---|
| 245 | Int iEdgeIdx, |
|---|
| 246 | Bool bValue, |
|---|
| 247 | UInt uiWidthInBaseUnits, |
|---|
| 248 | UInt uiHeightInBaseUnits, |
|---|
| 249 | const TComRectangle *rect) |
|---|
| 250 | { |
|---|
| 251 | if ( uiWidthInBaseUnits == 0 ) |
|---|
| 252 | { |
|---|
| 253 | uiWidthInBaseUnits = pcCU->getPic()->getNumPartInCtuWidth () >> uiDepth; |
|---|
| 254 | } |
|---|
| 255 | if ( uiHeightInBaseUnits == 0 ) |
|---|
| 256 | { |
|---|
| 257 | uiHeightInBaseUnits = pcCU->getPic()->getNumPartInCtuHeight() >> uiDepth; |
|---|
| 258 | } |
|---|
| 259 | const UInt uiNumElem = edgeDir == EDGE_VER ? uiHeightInBaseUnits : uiWidthInBaseUnits; |
|---|
| 260 | assert( uiNumElem > 0 ); |
|---|
| 261 | assert( uiWidthInBaseUnits > 0 ); |
|---|
| 262 | assert( uiHeightInBaseUnits > 0 ); |
|---|
| 263 | for( UInt ui = 0; ui < uiNumElem; ui++ ) |
|---|
| 264 | { |
|---|
| 265 | const UInt uiBsIdx = xCalcBsIdx( pcCU, uiAbsZorderIdx, edgeDir, iEdgeIdx, ui, rect ); |
|---|
| 266 | m_aapbEdgeFilter[edgeDir][uiBsIdx] = bValue; |
|---|
| 267 | if (iEdgeIdx == 0) |
|---|
| 268 | { |
|---|
| 269 | m_aapucBS[edgeDir][uiBsIdx] = bValue; |
|---|
| 270 | } |
|---|
| 271 | } |
|---|
| 272 | } |
|---|
| 273 | |
|---|
| 274 | Void TComLoopFilter::xSetEdgefilterTU( TComTU &rTu ) |
|---|
| 275 | { |
|---|
| 276 | TComDataCU* pcCU = rTu.getCU(); |
|---|
| 277 | UInt uiTransDepthTotal = rTu.GetTransformDepthTotal(); |
|---|
| 278 | |
|---|
| 279 | if( pcCU->getTransformIdx( rTu.GetAbsPartIdxTU() ) + pcCU->getDepth( rTu.GetAbsPartIdxTU()) > uiTransDepthTotal ) |
|---|
| 280 | { |
|---|
| 281 | TComTURecurse tuChild(rTu, false); |
|---|
| 282 | do |
|---|
| 283 | { |
|---|
| 284 | xSetEdgefilterTU( tuChild ); |
|---|
| 285 | } while (tuChild.nextSection(rTu)); |
|---|
| 286 | return; |
|---|
| 287 | } |
|---|
| 288 | |
|---|
| 289 | const TComRectangle &rect = rTu.getRect(COMPONENT_Y); |
|---|
| 290 | const TComSPS &sps=*(pcCU->getSlice()->getSPS()); |
|---|
| 291 | |
|---|
| 292 | const UInt uiWidthInBaseUnits = rect.width / (sps.getMaxCUWidth() >> sps.getMaxTotalCUDepth()); |
|---|
| 293 | const UInt uiHeightInBaseUnits = rect.height / (sps.getMaxCUHeight() >> sps.getMaxTotalCUDepth()); |
|---|
| 294 | |
|---|
| 295 | xSetEdgefilterMultiple( pcCU, rTu.GetAbsPartIdxCU(), uiTransDepthTotal, EDGE_VER, 0, m_stLFCUParam.bInternalEdge, uiWidthInBaseUnits, uiHeightInBaseUnits, &rect ); |
|---|
| 296 | xSetEdgefilterMultiple( pcCU, rTu.GetAbsPartIdxCU(), uiTransDepthTotal, EDGE_HOR, 0, m_stLFCUParam.bInternalEdge, uiWidthInBaseUnits, uiHeightInBaseUnits, &rect ); |
|---|
| 297 | } |
|---|
| 298 | |
|---|
| 299 | Void TComLoopFilter::xSetEdgefilterPU( TComDataCU* pcCU, UInt uiAbsZorderIdx ) |
|---|
| 300 | { |
|---|
| 301 | const UInt uiDepth = pcCU->getDepth( uiAbsZorderIdx ); |
|---|
| 302 | const UInt uiWidthInBaseUnits = pcCU->getPic()->getNumPartInCtuWidth () >> uiDepth; |
|---|
| 303 | const UInt uiHeightInBaseUnits = pcCU->getPic()->getNumPartInCtuHeight() >> uiDepth; |
|---|
| 304 | const UInt uiHWidthInBaseUnits = uiWidthInBaseUnits >> 1; |
|---|
| 305 | const UInt uiHHeightInBaseUnits = uiHeightInBaseUnits >> 1; |
|---|
| 306 | const UInt uiQWidthInBaseUnits = uiWidthInBaseUnits >> 2; |
|---|
| 307 | const UInt uiQHeightInBaseUnits = uiHeightInBaseUnits >> 2; |
|---|
| 308 | |
|---|
| 309 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_VER, 0, m_stLFCUParam.bLeftEdge ); |
|---|
| 310 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_HOR, 0, m_stLFCUParam.bTopEdge ); |
|---|
| 311 | |
|---|
| 312 | switch ( pcCU->getPartitionSize( uiAbsZorderIdx ) ) |
|---|
| 313 | { |
|---|
| 314 | case SIZE_2Nx2N: |
|---|
| 315 | { |
|---|
| 316 | break; |
|---|
| 317 | } |
|---|
| 318 | case SIZE_2NxN: |
|---|
| 319 | { |
|---|
| 320 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_HOR, uiHHeightInBaseUnits, m_stLFCUParam.bInternalEdge ); |
|---|
| 321 | break; |
|---|
| 322 | } |
|---|
| 323 | case SIZE_Nx2N: |
|---|
| 324 | { |
|---|
| 325 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_VER, uiHWidthInBaseUnits, m_stLFCUParam.bInternalEdge ); |
|---|
| 326 | break; |
|---|
| 327 | } |
|---|
| 328 | case SIZE_NxN: |
|---|
| 329 | { |
|---|
| 330 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_VER, uiHWidthInBaseUnits, m_stLFCUParam.bInternalEdge ); |
|---|
| 331 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_HOR, uiHHeightInBaseUnits, m_stLFCUParam.bInternalEdge ); |
|---|
| 332 | break; |
|---|
| 333 | } |
|---|
| 334 | case SIZE_2NxnU: |
|---|
| 335 | { |
|---|
| 336 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_HOR, uiQHeightInBaseUnits, m_stLFCUParam.bInternalEdge ); |
|---|
| 337 | break; |
|---|
| 338 | } |
|---|
| 339 | case SIZE_2NxnD: |
|---|
| 340 | { |
|---|
| 341 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_HOR, uiHeightInBaseUnits - uiQHeightInBaseUnits, m_stLFCUParam.bInternalEdge ); |
|---|
| 342 | break; |
|---|
| 343 | } |
|---|
| 344 | case SIZE_nLx2N: |
|---|
| 345 | { |
|---|
| 346 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_VER, uiQWidthInBaseUnits, m_stLFCUParam.bInternalEdge ); |
|---|
| 347 | break; |
|---|
| 348 | } |
|---|
| 349 | case SIZE_nRx2N: |
|---|
| 350 | { |
|---|
| 351 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_VER, uiWidthInBaseUnits - uiQWidthInBaseUnits, m_stLFCUParam.bInternalEdge ); |
|---|
| 352 | break; |
|---|
| 353 | } |
|---|
| 354 | default: |
|---|
| 355 | { |
|---|
| 356 | break; |
|---|
| 357 | } |
|---|
| 358 | } |
|---|
| 359 | } |
|---|
| 360 | |
|---|
| 361 | |
|---|
| 362 | Void TComLoopFilter::xSetLoopfilterParam( TComDataCU* pcCU, UInt uiAbsZorderIdx ) |
|---|
| 363 | { |
|---|
| 364 | UInt uiX = pcCU->getCUPelX() + g_auiRasterToPelX[ g_auiZscanToRaster[ uiAbsZorderIdx ] ]; |
|---|
| 365 | UInt uiY = pcCU->getCUPelY() + g_auiRasterToPelY[ g_auiZscanToRaster[ uiAbsZorderIdx ] ]; |
|---|
| 366 | |
|---|
| 367 | UInt uiTempPartIdx; |
|---|
| 368 | |
|---|
| 369 | m_stLFCUParam.bInternalEdge = ! pcCU->getSlice()->getDeblockingFilterDisable(); |
|---|
| 370 | |
|---|
| 371 | if ( (uiX == 0) || pcCU->getSlice()->getDeblockingFilterDisable() ) |
|---|
| 372 | { |
|---|
| 373 | m_stLFCUParam.bLeftEdge = false; |
|---|
| 374 | } |
|---|
| 375 | else |
|---|
| 376 | { |
|---|
| 377 | m_stLFCUParam.bLeftEdge = true; |
|---|
| 378 | } |
|---|
| 379 | if ( m_stLFCUParam.bLeftEdge ) |
|---|
| 380 | { |
|---|
| 381 | const TComDataCU* pcTempCU = pcCU->getPULeft( uiTempPartIdx, uiAbsZorderIdx, !pcCU->getSlice()->getLFCrossSliceBoundaryFlag(), !m_bLFCrossTileBoundary); |
|---|
| 382 | |
|---|
| 383 | if ( pcTempCU != NULL ) |
|---|
| 384 | { |
|---|
| 385 | m_stLFCUParam.bLeftEdge = true; |
|---|
| 386 | } |
|---|
| 387 | else |
|---|
| 388 | { |
|---|
| 389 | m_stLFCUParam.bLeftEdge = false; |
|---|
| 390 | } |
|---|
| 391 | } |
|---|
| 392 | |
|---|
| 393 | if ( (uiY == 0 ) || pcCU->getSlice()->getDeblockingFilterDisable() ) |
|---|
| 394 | { |
|---|
| 395 | m_stLFCUParam.bTopEdge = false; |
|---|
| 396 | } |
|---|
| 397 | else |
|---|
| 398 | { |
|---|
| 399 | m_stLFCUParam.bTopEdge = true; |
|---|
| 400 | } |
|---|
| 401 | if ( m_stLFCUParam.bTopEdge ) |
|---|
| 402 | { |
|---|
| 403 | const TComDataCU* pcTempCU = pcCU->getPUAbove( uiTempPartIdx, uiAbsZorderIdx, !pcCU->getSlice()->getLFCrossSliceBoundaryFlag(), false, !m_bLFCrossTileBoundary); |
|---|
| 404 | |
|---|
| 405 | if ( pcTempCU != NULL ) |
|---|
| 406 | { |
|---|
| 407 | m_stLFCUParam.bTopEdge = true; |
|---|
| 408 | } |
|---|
| 409 | else |
|---|
| 410 | { |
|---|
| 411 | m_stLFCUParam.bTopEdge = false; |
|---|
| 412 | } |
|---|
| 413 | } |
|---|
| 414 | } |
|---|
| 415 | |
|---|
| 416 | Void TComLoopFilter::xGetBoundaryStrengthSingle ( TComDataCU* pCtu, DeblockEdgeDir edgeDir, UInt uiAbsPartIdx4x4BlockWithinCtu ) |
|---|
| 417 | { |
|---|
| 418 | TComSlice * const pcSlice = pCtu->getSlice(); |
|---|
| 419 | |
|---|
| 420 | const Bool lfCrossSliceBoundaryFlag=pCtu->getSlice()->getLFCrossSliceBoundaryFlag(); |
|---|
| 421 | |
|---|
| 422 | const UInt uiPartQ = uiAbsPartIdx4x4BlockWithinCtu; |
|---|
| 423 | TComDataCU* const pcCUQ = pCtu; |
|---|
| 424 | |
|---|
| 425 | UInt uiPartP; |
|---|
| 426 | const TComDataCU* pcCUP; |
|---|
| 427 | UInt uiBs = 0; |
|---|
| 428 | |
|---|
| 429 | //-- Calculate Block Index |
|---|
| 430 | if (edgeDir == EDGE_VER) |
|---|
| 431 | { |
|---|
| 432 | pcCUP = pcCUQ->getPULeft(uiPartP, uiPartQ, !lfCrossSliceBoundaryFlag, !m_bLFCrossTileBoundary); |
|---|
| 433 | } |
|---|
| 434 | else // (edgeDir == EDGE_HOR) |
|---|
| 435 | { |
|---|
| 436 | pcCUP = pcCUQ->getPUAbove(uiPartP, uiPartQ, !pCtu->getSlice()->getLFCrossSliceBoundaryFlag(), false, !m_bLFCrossTileBoundary); |
|---|
| 437 | } |
|---|
| 438 | |
|---|
| 439 | //-- Set BS for Intra MB : BS = 4 or 3 |
|---|
| 440 | if ( pcCUP->isIntra(uiPartP) || pcCUQ->isIntra(uiPartQ) ) |
|---|
| 441 | { |
|---|
| 442 | uiBs = 2; |
|---|
| 443 | } |
|---|
| 444 | |
|---|
| 445 | //-- Set BS for not Intra MB : BS = 2 or 1 or 0 |
|---|
| 446 | if ( !pcCUP->isIntra(uiPartP) && !pcCUQ->isIntra(uiPartQ) ) |
|---|
| 447 | { |
|---|
| 448 | UInt nsPartQ = uiPartQ; |
|---|
| 449 | UInt nsPartP = uiPartP; |
|---|
| 450 | |
|---|
| 451 | if ( m_aapucBS[edgeDir][uiAbsPartIdx4x4BlockWithinCtu] && (pcCUQ->getCbf( nsPartQ, COMPONENT_Y, pcCUQ->getTransformIdx(nsPartQ)) != 0 || pcCUP->getCbf( nsPartP, COMPONENT_Y, pcCUP->getTransformIdx(nsPartP) ) != 0) ) |
|---|
| 452 | { |
|---|
| 453 | uiBs = 1; |
|---|
| 454 | } |
|---|
| 455 | else |
|---|
| 456 | { |
|---|
| 457 | if (pcSlice->isInterB() || pcCUP->getSlice()->isInterB()) |
|---|
| 458 | { |
|---|
| 459 | Int iRefIdx; |
|---|
| 460 | iRefIdx = pcCUP->getCUMvField(REF_PIC_LIST_0)->getRefIdx(uiPartP); |
|---|
| 461 | const TComPic *piRefP0 = (iRefIdx < 0) ? NULL : pcCUP->getSlice()->getRefPic(REF_PIC_LIST_0, iRefIdx); |
|---|
| 462 | iRefIdx = pcCUP->getCUMvField(REF_PIC_LIST_1)->getRefIdx(uiPartP); |
|---|
| 463 | const TComPic *piRefP1 = (iRefIdx < 0) ? NULL : pcCUP->getSlice()->getRefPic(REF_PIC_LIST_1, iRefIdx); |
|---|
| 464 | iRefIdx = pcCUQ->getCUMvField(REF_PIC_LIST_0)->getRefIdx(uiPartQ); |
|---|
| 465 | const TComPic *piRefQ0 = (iRefIdx < 0) ? NULL : pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx); |
|---|
| 466 | iRefIdx = pcCUQ->getCUMvField(REF_PIC_LIST_1)->getRefIdx(uiPartQ); |
|---|
| 467 | const TComPic *piRefQ1 = (iRefIdx < 0) ? NULL : pcSlice->getRefPic(REF_PIC_LIST_1, iRefIdx); |
|---|
| 468 | |
|---|
| 469 | TComMv pcMvP0 = pcCUP->getCUMvField(REF_PIC_LIST_0)->getMv(uiPartP); |
|---|
| 470 | TComMv pcMvP1 = pcCUP->getCUMvField(REF_PIC_LIST_1)->getMv(uiPartP); |
|---|
| 471 | TComMv pcMvQ0 = pcCUQ->getCUMvField(REF_PIC_LIST_0)->getMv(uiPartQ); |
|---|
| 472 | TComMv pcMvQ1 = pcCUQ->getCUMvField(REF_PIC_LIST_1)->getMv(uiPartQ); |
|---|
| 473 | |
|---|
| 474 | if (piRefP0 == NULL) |
|---|
| 475 | { |
|---|
| 476 | pcMvP0.setZero(); |
|---|
| 477 | } |
|---|
| 478 | if (piRefP1 == NULL) |
|---|
| 479 | { |
|---|
| 480 | pcMvP1.setZero(); |
|---|
| 481 | } |
|---|
| 482 | if (piRefQ0 == NULL) |
|---|
| 483 | { |
|---|
| 484 | pcMvQ0.setZero(); |
|---|
| 485 | } |
|---|
| 486 | if (piRefQ1 == NULL) |
|---|
| 487 | { |
|---|
| 488 | pcMvQ1.setZero(); |
|---|
| 489 | } |
|---|
| 490 | |
|---|
| 491 | if ( ((piRefP0==piRefQ0)&&(piRefP1==piRefQ1)) || ((piRefP0==piRefQ1)&&(piRefP1==piRefQ0)) ) |
|---|
| 492 | { |
|---|
| 493 | if ( piRefP0 != piRefP1 ) // Different L0 & L1 |
|---|
| 494 | { |
|---|
| 495 | if ( piRefP0 == piRefQ0 ) |
|---|
| 496 | { |
|---|
| 497 | uiBs = ((abs(pcMvQ0.getHor() - pcMvP0.getHor()) >= 4) || |
|---|
| 498 | (abs(pcMvQ0.getVer() - pcMvP0.getVer()) >= 4) || |
|---|
| 499 | (abs(pcMvQ1.getHor() - pcMvP1.getHor()) >= 4) || |
|---|
| 500 | (abs(pcMvQ1.getVer() - pcMvP1.getVer()) >= 4)) ? 1 : 0; |
|---|
| 501 | } |
|---|
| 502 | else |
|---|
| 503 | { |
|---|
| 504 | uiBs = ((abs(pcMvQ1.getHor() - pcMvP0.getHor()) >= 4) || |
|---|
| 505 | (abs(pcMvQ1.getVer() - pcMvP0.getVer()) >= 4) || |
|---|
| 506 | (abs(pcMvQ0.getHor() - pcMvP1.getHor()) >= 4) || |
|---|
| 507 | (abs(pcMvQ0.getVer() - pcMvP1.getVer()) >= 4)) ? 1 : 0; |
|---|
| 508 | } |
|---|
| 509 | } |
|---|
| 510 | else // Same L0 & L1 |
|---|
| 511 | { |
|---|
| 512 | uiBs = ((abs(pcMvQ0.getHor() - pcMvP0.getHor()) >= 4) || |
|---|
| 513 | (abs(pcMvQ0.getVer() - pcMvP0.getVer()) >= 4) || |
|---|
| 514 | (abs(pcMvQ1.getHor() - pcMvP1.getHor()) >= 4) || |
|---|
| 515 | (abs(pcMvQ1.getVer() - pcMvP1.getVer()) >= 4)) && |
|---|
| 516 | ((abs(pcMvQ1.getHor() - pcMvP0.getHor()) >= 4) || |
|---|
| 517 | (abs(pcMvQ1.getVer() - pcMvP0.getVer()) >= 4) || |
|---|
| 518 | (abs(pcMvQ0.getHor() - pcMvP1.getHor()) >= 4) || |
|---|
| 519 | (abs(pcMvQ0.getVer() - pcMvP1.getVer()) >= 4)) ? 1 : 0; |
|---|
| 520 | } |
|---|
| 521 | } |
|---|
| 522 | else // for all different Ref_Idx |
|---|
| 523 | { |
|---|
| 524 | uiBs = 1; |
|---|
| 525 | } |
|---|
| 526 | } |
|---|
| 527 | else // pcSlice->isInterP() |
|---|
| 528 | { |
|---|
| 529 | Int iRefIdx; |
|---|
| 530 | iRefIdx = pcCUP->getCUMvField(REF_PIC_LIST_0)->getRefIdx(uiPartP); |
|---|
| 531 | const TComPic *piRefP0 = (iRefIdx < 0) ? NULL : pcCUP->getSlice()->getRefPic(REF_PIC_LIST_0, iRefIdx); |
|---|
| 532 | iRefIdx = pcCUQ->getCUMvField(REF_PIC_LIST_0)->getRefIdx(uiPartQ); |
|---|
| 533 | const TComPic *piRefQ0 = (iRefIdx < 0) ? NULL : pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx); |
|---|
| 534 | TComMv pcMvP0 = pcCUP->getCUMvField(REF_PIC_LIST_0)->getMv(uiPartP); |
|---|
| 535 | TComMv pcMvQ0 = pcCUQ->getCUMvField(REF_PIC_LIST_0)->getMv(uiPartQ); |
|---|
| 536 | |
|---|
| 537 | if (piRefP0 == NULL) |
|---|
| 538 | { |
|---|
| 539 | pcMvP0.setZero(); |
|---|
| 540 | } |
|---|
| 541 | if (piRefQ0 == NULL) |
|---|
| 542 | { |
|---|
| 543 | pcMvQ0.setZero(); |
|---|
| 544 | } |
|---|
| 545 | |
|---|
| 546 | uiBs = ((piRefP0 != piRefQ0) || |
|---|
| 547 | (abs(pcMvQ0.getHor() - pcMvP0.getHor()) >= 4) || |
|---|
| 548 | (abs(pcMvQ0.getVer() - pcMvP0.getVer()) >= 4)) ? 1 : 0; |
|---|
| 549 | } |
|---|
| 550 | } // enf of "if( one of BCBP == 0 )" |
|---|
| 551 | } // enf of "if( not Intra )" |
|---|
| 552 | |
|---|
| 553 | m_aapucBS[edgeDir][uiAbsPartIdx4x4BlockWithinCtu] = uiBs; |
|---|
| 554 | } |
|---|
| 555 | |
|---|
| 556 | |
|---|
| 557 | Void TComLoopFilter::xEdgeFilterLuma( TComDataCU* const pcCU, const UInt uiAbsZorderIdx, const UInt uiDepth, const DeblockEdgeDir edgeDir, const Int iEdge ) |
|---|
| 558 | { |
|---|
| 559 | TComPicYuv *pcPicYuvRec = pcCU->getPic()->getPicYuvRec(); |
|---|
| 560 | Pel *piSrc = pcPicYuvRec->getAddr(COMPONENT_Y, pcCU->getCtuRsAddr(), uiAbsZorderIdx ); |
|---|
| 561 | Pel *piTmpSrc = piSrc; |
|---|
| 562 | const TComSPS &sps = *(pcCU->getSlice()->getSPS()); |
|---|
| 563 | const Bool ppsTransquantBypassEnableFlag = pcCU->getSlice()->getPPS()->getTransquantBypassEnableFlag(); |
|---|
| 564 | const Int bitDepthLuma = sps.getBitDepth(CHANNEL_TYPE_LUMA); |
|---|
| 565 | const Bool lfCrossSliceBoundaryFlag = pcCU->getSlice()->getLFCrossSliceBoundaryFlag(); |
|---|
| 566 | |
|---|
| 567 | Int iStride = pcPicYuvRec->getStride(COMPONENT_Y); |
|---|
| 568 | Int iQP = 0; |
|---|
| 569 | Int iQP_P = 0; |
|---|
| 570 | Int iQP_Q = 0; |
|---|
| 571 | UInt uiNumParts = pcCU->getPic()->getNumPartInCtuWidth()>>uiDepth; |
|---|
| 572 | |
|---|
| 573 | UInt uiPelsInPart = sps.getMaxCUWidth() >> sps.getMaxTotalCUDepth(); |
|---|
| 574 | UInt uiBsAbsIdx = 0, uiBs = 0; |
|---|
| 575 | Int iOffset, iSrcStep; |
|---|
| 576 | |
|---|
| 577 | Bool bPCMFilter = (sps.getUsePCM() && sps.getPCMFilterDisableFlag())? true : false; |
|---|
| 578 | Bool bPartPNoFilter = false; |
|---|
| 579 | Bool bPartQNoFilter = false; |
|---|
| 580 | UInt uiPartPIdx = 0; |
|---|
| 581 | UInt uiPartQIdx = 0; |
|---|
| 582 | const TComDataCU* pcCUP = pcCU; |
|---|
| 583 | TComDataCU* pcCUQ = pcCU; |
|---|
| 584 | Int betaOffsetDiv2 = pcCUQ->getSlice()->getDeblockingFilterBetaOffsetDiv2(); |
|---|
| 585 | Int tcOffsetDiv2 = pcCUQ->getSlice()->getDeblockingFilterTcOffsetDiv2(); |
|---|
| 586 | |
|---|
| 587 | if (edgeDir == EDGE_VER) |
|---|
| 588 | { |
|---|
| 589 | iOffset = 1; |
|---|
| 590 | iSrcStep = iStride; |
|---|
| 591 | piTmpSrc += iEdge*uiPelsInPart; |
|---|
| 592 | } |
|---|
| 593 | else // (edgeDir == EDGE_HOR) |
|---|
| 594 | { |
|---|
| 595 | iOffset = iStride; |
|---|
| 596 | iSrcStep = 1; |
|---|
| 597 | piTmpSrc += iEdge*uiPelsInPart*iStride; |
|---|
| 598 | } |
|---|
| 599 | |
|---|
| 600 | const Int iBitdepthScale = 1 << (bitDepthLuma-8); |
|---|
| 601 | |
|---|
| 602 | for ( UInt iIdx = 0; iIdx < uiNumParts; iIdx++ ) |
|---|
| 603 | { |
|---|
| 604 | uiBsAbsIdx = xCalcBsIdx( pcCU, uiAbsZorderIdx, edgeDir, iEdge, iIdx); |
|---|
| 605 | uiBs = m_aapucBS[edgeDir][uiBsAbsIdx]; |
|---|
| 606 | if ( uiBs ) |
|---|
| 607 | { |
|---|
| 608 | iQP_Q = pcCU->getQP( uiBsAbsIdx ); |
|---|
| 609 | uiPartQIdx = uiBsAbsIdx; |
|---|
| 610 | // Derive neighboring PU index |
|---|
| 611 | if (edgeDir == EDGE_VER) |
|---|
| 612 | { |
|---|
| 613 | pcCUP = pcCUQ->getPULeft (uiPartPIdx, uiPartQIdx,!lfCrossSliceBoundaryFlag, !m_bLFCrossTileBoundary); |
|---|
| 614 | } |
|---|
| 615 | else // (iDir == EDGE_HOR) |
|---|
| 616 | { |
|---|
| 617 | pcCUP = pcCUQ->getPUAbove(uiPartPIdx, uiPartQIdx,!lfCrossSliceBoundaryFlag, false, !m_bLFCrossTileBoundary); |
|---|
| 618 | } |
|---|
| 619 | |
|---|
| 620 | iQP_P = pcCUP->getQP(uiPartPIdx); |
|---|
| 621 | iQP = (iQP_P + iQP_Q + 1) >> 1; |
|---|
| 622 | |
|---|
| 623 | Int iIndexTC = Clip3(0, MAX_QP+DEFAULT_INTRA_TC_OFFSET, Int(iQP + DEFAULT_INTRA_TC_OFFSET*(uiBs-1) + (tcOffsetDiv2 << 1))); |
|---|
| 624 | Int iIndexB = Clip3(0, MAX_QP, iQP + (betaOffsetDiv2 << 1)); |
|---|
| 625 | |
|---|
| 626 | Int iTc = sm_tcTable[iIndexTC]*iBitdepthScale; |
|---|
| 627 | Int iBeta = sm_betaTable[iIndexB]*iBitdepthScale; |
|---|
| 628 | Int iSideThreshold = (iBeta+(iBeta>>1))>>3; |
|---|
| 629 | Int iThrCut = iTc*10; |
|---|
| 630 | |
|---|
| 631 | |
|---|
| 632 | UInt uiBlocksInPart = uiPelsInPart / 4 ? uiPelsInPart / 4 : 1; |
|---|
| 633 | for (UInt iBlkIdx = 0; iBlkIdx<uiBlocksInPart; iBlkIdx ++) |
|---|
| 634 | { |
|---|
| 635 | Int dp0 = xCalcDP( piTmpSrc+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*4+0), iOffset); |
|---|
| 636 | Int dq0 = xCalcDQ( piTmpSrc+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*4+0), iOffset); |
|---|
| 637 | Int dp3 = xCalcDP( piTmpSrc+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*4+3), iOffset); |
|---|
| 638 | Int dq3 = xCalcDQ( piTmpSrc+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*4+3), iOffset); |
|---|
| 639 | Int d0 = dp0 + dq0; |
|---|
| 640 | Int d3 = dp3 + dq3; |
|---|
| 641 | |
|---|
| 642 | Int dp = dp0 + dp3; |
|---|
| 643 | Int dq = dq0 + dq3; |
|---|
| 644 | Int d = d0 + d3; |
|---|
| 645 | |
|---|
| 646 | if (bPCMFilter || ppsTransquantBypassEnableFlag) |
|---|
| 647 | { |
|---|
| 648 | // Check if each of PUs is I_PCM with LF disabling |
|---|
| 649 | bPartPNoFilter = (bPCMFilter && pcCUP->getIPCMFlag(uiPartPIdx)); |
|---|
| 650 | bPartQNoFilter = (bPCMFilter && pcCUQ->getIPCMFlag(uiPartQIdx)); |
|---|
| 651 | |
|---|
| 652 | // check if each of PUs is lossless coded |
|---|
| 653 | bPartPNoFilter = bPartPNoFilter || (pcCUP->isLosslessCoded(uiPartPIdx) ); |
|---|
| 654 | bPartQNoFilter = bPartQNoFilter || (pcCUQ->isLosslessCoded(uiPartQIdx) ); |
|---|
| 655 | } |
|---|
| 656 | |
|---|
| 657 | if (d < iBeta) |
|---|
| 658 | { |
|---|
| 659 | Bool bFilterP = (dp < iSideThreshold); |
|---|
| 660 | Bool bFilterQ = (dq < iSideThreshold); |
|---|
| 661 | |
|---|
| 662 | Bool sw = xUseStrongFiltering( iOffset, 2*d0, iBeta, iTc, piTmpSrc+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*4+0)) |
|---|
| 663 | && xUseStrongFiltering( iOffset, 2*d3, iBeta, iTc, piTmpSrc+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*4+3)); |
|---|
| 664 | |
|---|
| 665 | for ( Int i = 0; i < DEBLOCK_SMALLEST_BLOCK/2; i++) |
|---|
| 666 | { |
|---|
| 667 | xPelFilterLuma( piTmpSrc+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*4+i), iOffset, iTc, sw, bPartPNoFilter, bPartQNoFilter, iThrCut, bFilterP, bFilterQ, bitDepthLuma); |
|---|
| 668 | } |
|---|
| 669 | } |
|---|
| 670 | } |
|---|
| 671 | } |
|---|
| 672 | } |
|---|
| 673 | } |
|---|
| 674 | |
|---|
| 675 | |
|---|
| 676 | Void TComLoopFilter::xEdgeFilterChroma( TComDataCU* const pcCU, const UInt uiAbsZorderIdx, const UInt uiDepth, const DeblockEdgeDir edgeDir, const Int iEdge ) |
|---|
| 677 | { |
|---|
| 678 | TComPicYuv *pcPicYuvRec = pcCU->getPic()->getPicYuvRec(); |
|---|
| 679 | Int iStride = pcPicYuvRec->getStride(COMPONENT_Cb); |
|---|
| 680 | Pel *piSrcCb = pcPicYuvRec->getAddr( COMPONENT_Cb, pcCU->getCtuRsAddr(), uiAbsZorderIdx ); |
|---|
| 681 | Pel *piSrcCr = pcPicYuvRec->getAddr( COMPONENT_Cr, pcCU->getCtuRsAddr(), uiAbsZorderIdx ); |
|---|
| 682 | const TComSPS &sps = *(pcCU->getSlice()->getSPS()); |
|---|
| 683 | const Int bitDepthChroma = sps.getBitDepth(CHANNEL_TYPE_CHROMA); |
|---|
| 684 | |
|---|
| 685 | const UInt uiPelsInPartChromaH = sps.getMaxCUWidth() >> (sps.getMaxTotalCUDepth()+pcPicYuvRec->getComponentScaleX(COMPONENT_Cb)); |
|---|
| 686 | const UInt uiPelsInPartChromaV = sps.getMaxCUHeight() >> (sps.getMaxTotalCUDepth()+pcPicYuvRec->getComponentScaleY(COMPONENT_Cb)); |
|---|
| 687 | |
|---|
| 688 | Int iQP = 0; |
|---|
| 689 | Int iQP_P = 0; |
|---|
| 690 | Int iQP_Q = 0; |
|---|
| 691 | |
|---|
| 692 | Int iOffset, iSrcStep; |
|---|
| 693 | UInt uiLoopLength; |
|---|
| 694 | |
|---|
| 695 | const UInt uiCtuWidthInBaseUnits = pcCU->getPic()->getNumPartInCtuWidth(); |
|---|
| 696 | |
|---|
| 697 | Bool bPCMFilter = (pcCU->getSlice()->getSPS()->getUsePCM() && pcCU->getSlice()->getSPS()->getPCMFilterDisableFlag())? true : false; |
|---|
| 698 | Bool bPartPNoFilter = false; |
|---|
| 699 | Bool bPartQNoFilter = false; |
|---|
| 700 | TComDataCU* pcCUQ = pcCU; |
|---|
| 701 | Int tcOffsetDiv2 = pcCU->getSlice()->getDeblockingFilterTcOffsetDiv2(); |
|---|
| 702 | |
|---|
| 703 | // Vertical Position |
|---|
| 704 | UInt uiEdgeNumInCtuVert = g_auiZscanToRaster[uiAbsZorderIdx]%uiCtuWidthInBaseUnits + iEdge; |
|---|
| 705 | UInt uiEdgeNumInCtuHor = g_auiZscanToRaster[uiAbsZorderIdx]/uiCtuWidthInBaseUnits + iEdge; |
|---|
| 706 | |
|---|
| 707 | if ( (uiPelsInPartChromaH < DEBLOCK_SMALLEST_BLOCK) && (uiPelsInPartChromaV < DEBLOCK_SMALLEST_BLOCK) && |
|---|
| 708 | ( |
|---|
| 709 | ( (uiEdgeNumInCtuVert%(DEBLOCK_SMALLEST_BLOCK/uiPelsInPartChromaH)) && (edgeDir==EDGE_VER) ) || |
|---|
| 710 | ( (uiEdgeNumInCtuHor %(DEBLOCK_SMALLEST_BLOCK/uiPelsInPartChromaV)) && (edgeDir==EDGE_HOR) ) |
|---|
| 711 | ) |
|---|
| 712 | ) |
|---|
| 713 | { |
|---|
| 714 | return; |
|---|
| 715 | } |
|---|
| 716 | |
|---|
| 717 | |
|---|
| 718 | const Bool lfCrossSliceBoundaryFlag=pcCU->getSlice()->getLFCrossSliceBoundaryFlag(); |
|---|
| 719 | |
|---|
| 720 | UInt uiNumParts = pcCU->getPic()->getNumPartInCtuWidth()>>uiDepth; |
|---|
| 721 | |
|---|
| 722 | UInt uiBsAbsIdx; |
|---|
| 723 | UChar ucBs; |
|---|
| 724 | |
|---|
| 725 | Pel* piTmpSrcCb = piSrcCb; |
|---|
| 726 | Pel* piTmpSrcCr = piSrcCr; |
|---|
| 727 | |
|---|
| 728 | if (edgeDir == EDGE_VER) |
|---|
| 729 | { |
|---|
| 730 | iOffset = 1; |
|---|
| 731 | iSrcStep = iStride; |
|---|
| 732 | piTmpSrcCb += iEdge*uiPelsInPartChromaH; |
|---|
| 733 | piTmpSrcCr += iEdge*uiPelsInPartChromaH; |
|---|
| 734 | uiLoopLength=uiPelsInPartChromaV; |
|---|
| 735 | } |
|---|
| 736 | else // (edgeDir == EDGE_HOR) |
|---|
| 737 | { |
|---|
| 738 | iOffset = iStride; |
|---|
| 739 | iSrcStep = 1; |
|---|
| 740 | piTmpSrcCb += iEdge*iStride*uiPelsInPartChromaV; |
|---|
| 741 | piTmpSrcCr += iEdge*iStride*uiPelsInPartChromaV; |
|---|
| 742 | uiLoopLength=uiPelsInPartChromaH; |
|---|
| 743 | } |
|---|
| 744 | |
|---|
| 745 | const Int iBitdepthScale = 1 << (pcCU->getSlice()->getSPS()->getBitDepth(CHANNEL_TYPE_CHROMA)-8); |
|---|
| 746 | |
|---|
| 747 | for ( UInt iIdx = 0; iIdx < uiNumParts; iIdx++ ) |
|---|
| 748 | { |
|---|
| 749 | uiBsAbsIdx = xCalcBsIdx( pcCU, uiAbsZorderIdx, edgeDir, iEdge, iIdx); |
|---|
| 750 | ucBs = m_aapucBS[edgeDir][uiBsAbsIdx]; |
|---|
| 751 | |
|---|
| 752 | if ( ucBs > 1) |
|---|
| 753 | { |
|---|
| 754 | iQP_Q = pcCU->getQP( uiBsAbsIdx ); |
|---|
| 755 | UInt uiPartQIdx = uiBsAbsIdx; |
|---|
| 756 | // Derive neighboring PU index |
|---|
| 757 | const TComDataCU* pcCUP; |
|---|
| 758 | UInt uiPartPIdx; |
|---|
| 759 | |
|---|
| 760 | if (edgeDir == EDGE_VER) |
|---|
| 761 | { |
|---|
| 762 | pcCUP = pcCUQ->getPULeft (uiPartPIdx, uiPartQIdx,!lfCrossSliceBoundaryFlag, !m_bLFCrossTileBoundary); |
|---|
| 763 | } |
|---|
| 764 | else // (edgeDir == EDGE_HOR) |
|---|
| 765 | { |
|---|
| 766 | pcCUP = pcCUQ->getPUAbove(uiPartPIdx, uiPartQIdx,!lfCrossSliceBoundaryFlag, false, !m_bLFCrossTileBoundary); |
|---|
| 767 | } |
|---|
| 768 | |
|---|
| 769 | iQP_P = pcCUP->getQP(uiPartPIdx); |
|---|
| 770 | |
|---|
| 771 | if (bPCMFilter || pcCU->getSlice()->getPPS()->getTransquantBypassEnableFlag()) |
|---|
| 772 | { |
|---|
| 773 | // Check if each of PUs is I_PCM with LF disabling |
|---|
| 774 | bPartPNoFilter = (bPCMFilter && pcCUP->getIPCMFlag(uiPartPIdx)); |
|---|
| 775 | bPartQNoFilter = (bPCMFilter && pcCUQ->getIPCMFlag(uiPartQIdx)); |
|---|
| 776 | |
|---|
| 777 | // check if each of PUs is lossless coded |
|---|
| 778 | bPartPNoFilter = bPartPNoFilter || (pcCUP->isLosslessCoded(uiPartPIdx)); |
|---|
| 779 | bPartQNoFilter = bPartQNoFilter || (pcCUQ->isLosslessCoded(uiPartQIdx)); |
|---|
| 780 | } |
|---|
| 781 | |
|---|
| 782 | for ( UInt chromaIdx = 0; chromaIdx < 2; chromaIdx++ ) |
|---|
| 783 | { |
|---|
| 784 | Int chromaQPOffset = pcCU->getSlice()->getPPS()->getQpOffset(ComponentID(chromaIdx + 1)); |
|---|
| 785 | Pel* piTmpSrcChroma = (chromaIdx == 0) ? piTmpSrcCb : piTmpSrcCr; |
|---|
| 786 | |
|---|
| 787 | iQP = ((iQP_P + iQP_Q + 1) >> 1) + chromaQPOffset; |
|---|
| 788 | if (iQP >= chromaQPMappingTableSize) |
|---|
| 789 | { |
|---|
| 790 | if (pcPicYuvRec->getChromaFormat()==CHROMA_420) |
|---|
| 791 | { |
|---|
| 792 | iQP -=6; |
|---|
| 793 | } |
|---|
| 794 | else if (iQP>51) |
|---|
| 795 | { |
|---|
| 796 | iQP=51; |
|---|
| 797 | } |
|---|
| 798 | } |
|---|
| 799 | else if (iQP >= 0 ) |
|---|
| 800 | { |
|---|
| 801 | iQP = getScaledChromaQP(iQP, pcPicYuvRec->getChromaFormat()); |
|---|
| 802 | } |
|---|
| 803 | |
|---|
| 804 | Int iIndexTC = Clip3(0, MAX_QP+DEFAULT_INTRA_TC_OFFSET, iQP + DEFAULT_INTRA_TC_OFFSET*(ucBs - 1) + (tcOffsetDiv2 << 1)); |
|---|
| 805 | Int iTc = sm_tcTable[iIndexTC]*iBitdepthScale; |
|---|
| 806 | |
|---|
| 807 | for ( UInt uiStep = 0; uiStep < uiLoopLength; uiStep++ ) |
|---|
| 808 | { |
|---|
| 809 | xPelFilterChroma( piTmpSrcChroma + iSrcStep*(uiStep+iIdx*uiLoopLength), iOffset, iTc , bPartPNoFilter, bPartQNoFilter, bitDepthChroma); |
|---|
| 810 | } |
|---|
| 811 | } |
|---|
| 812 | } |
|---|
| 813 | } |
|---|
| 814 | } |
|---|
| 815 | |
|---|
| 816 | /** |
|---|
| 817 | - Deblocking for the luminance component with strong or weak filter |
|---|
| 818 | . |
|---|
| 819 | \param piSrc pointer to picture data |
|---|
| 820 | \param iOffset offset value for picture data |
|---|
| 821 | \param tc tc value |
|---|
| 822 | \param sw decision strong/weak filter |
|---|
| 823 | \param bPartPNoFilter indicator to disable filtering on partP |
|---|
| 824 | \param bPartQNoFilter indicator to disable filtering on partQ |
|---|
| 825 | \param iThrCut threshold value for weak filter decision |
|---|
| 826 | \param bFilterSecondP decision weak filter/no filter for partP |
|---|
| 827 | \param bFilterSecondQ decision weak filter/no filter for partQ |
|---|
| 828 | \param bitDepthLuma luma bit depth |
|---|
| 829 | */ |
|---|
| 830 | __inline Void TComLoopFilter::xPelFilterLuma( Pel* piSrc, Int iOffset, Int tc, Bool sw, Bool bPartPNoFilter, Bool bPartQNoFilter, Int iThrCut, Bool bFilterSecondP, Bool bFilterSecondQ, const Int bitDepthLuma) |
|---|
| 831 | { |
|---|
| 832 | Int delta; |
|---|
| 833 | |
|---|
| 834 | Pel m4 = piSrc[0]; |
|---|
| 835 | Pel m3 = piSrc[-iOffset]; |
|---|
| 836 | Pel m5 = piSrc[ iOffset]; |
|---|
| 837 | Pel m2 = piSrc[-iOffset*2]; |
|---|
| 838 | Pel m6 = piSrc[ iOffset*2]; |
|---|
| 839 | Pel m1 = piSrc[-iOffset*3]; |
|---|
| 840 | Pel m7 = piSrc[ iOffset*3]; |
|---|
| 841 | Pel m0 = piSrc[-iOffset*4]; |
|---|
| 842 | |
|---|
| 843 | if (sw) |
|---|
| 844 | { |
|---|
| 845 | piSrc[-iOffset] = Clip3(m3-2*tc, m3+2*tc, ((m1 + 2*m2 + 2*m3 + 2*m4 + m5 + 4) >> 3)); |
|---|
| 846 | piSrc[0] = Clip3(m4-2*tc, m4+2*tc, ((m2 + 2*m3 + 2*m4 + 2*m5 + m6 + 4) >> 3)); |
|---|
| 847 | piSrc[-iOffset*2] = Clip3(m2-2*tc, m2+2*tc, ((m1 + m2 + m3 + m4 + 2)>>2)); |
|---|
| 848 | piSrc[ iOffset] = Clip3(m5-2*tc, m5+2*tc, ((m3 + m4 + m5 + m6 + 2)>>2)); |
|---|
| 849 | piSrc[-iOffset*3] = Clip3(m1-2*tc, m1+2*tc, ((2*m0 + 3*m1 + m2 + m3 + m4 + 4 )>>3)); |
|---|
| 850 | piSrc[ iOffset*2] = Clip3(m6-2*tc, m6+2*tc, ((m3 + m4 + m5 + 3*m6 + 2*m7 +4 )>>3)); |
|---|
| 851 | } |
|---|
| 852 | else |
|---|
| 853 | { |
|---|
| 854 | /* Weak filter */ |
|---|
| 855 | delta = (9*(m4-m3) -3*(m5-m2) + 8)>>4 ; |
|---|
| 856 | |
|---|
| 857 | if ( abs(delta) < iThrCut ) |
|---|
| 858 | { |
|---|
| 859 | delta = Clip3(-tc, tc, delta); |
|---|
| 860 | piSrc[-iOffset] = ClipBD((m3+delta), bitDepthLuma); |
|---|
| 861 | piSrc[0] = ClipBD((m4-delta), bitDepthLuma); |
|---|
| 862 | |
|---|
| 863 | Int tc2 = tc>>1; |
|---|
| 864 | if(bFilterSecondP) |
|---|
| 865 | { |
|---|
| 866 | Int delta1 = Clip3(-tc2, tc2, (( ((m1+m3+1)>>1)- m2+delta)>>1)); |
|---|
| 867 | piSrc[-iOffset*2] = ClipBD((m2+delta1), bitDepthLuma); |
|---|
| 868 | } |
|---|
| 869 | if(bFilterSecondQ) |
|---|
| 870 | { |
|---|
| 871 | Int delta2 = Clip3(-tc2, tc2, (( ((m6+m4+1)>>1)- m5-delta)>>1)); |
|---|
| 872 | piSrc[ iOffset] = ClipBD((m5+delta2), bitDepthLuma); |
|---|
| 873 | } |
|---|
| 874 | } |
|---|
| 875 | } |
|---|
| 876 | |
|---|
| 877 | if(bPartPNoFilter) |
|---|
| 878 | { |
|---|
| 879 | piSrc[-iOffset] = m3; |
|---|
| 880 | piSrc[-iOffset*2] = m2; |
|---|
| 881 | piSrc[-iOffset*3] = m1; |
|---|
| 882 | } |
|---|
| 883 | if(bPartQNoFilter) |
|---|
| 884 | { |
|---|
| 885 | piSrc[0] = m4; |
|---|
| 886 | piSrc[ iOffset] = m5; |
|---|
| 887 | piSrc[ iOffset*2] = m6; |
|---|
| 888 | } |
|---|
| 889 | } |
|---|
| 890 | |
|---|
| 891 | /** |
|---|
| 892 | - Deblocking of one line/column for the chrominance component |
|---|
| 893 | . |
|---|
| 894 | \param piSrc pointer to picture data |
|---|
| 895 | \param iOffset offset value for picture data |
|---|
| 896 | \param tc tc value |
|---|
| 897 | \param bPartPNoFilter indicator to disable filtering on partP |
|---|
| 898 | \param bPartQNoFilter indicator to disable filtering on partQ |
|---|
| 899 | \param bitDepthChroma chroma bit depth |
|---|
| 900 | */ |
|---|
| 901 | __inline Void TComLoopFilter::xPelFilterChroma( Pel* piSrc, Int iOffset, Int tc, Bool bPartPNoFilter, Bool bPartQNoFilter, const Int bitDepthChroma) |
|---|
| 902 | { |
|---|
| 903 | Int delta; |
|---|
| 904 | |
|---|
| 905 | Pel m4 = piSrc[0]; |
|---|
| 906 | Pel m3 = piSrc[-iOffset]; |
|---|
| 907 | Pel m5 = piSrc[ iOffset]; |
|---|
| 908 | Pel m2 = piSrc[-iOffset*2]; |
|---|
| 909 | |
|---|
| 910 | delta = Clip3(-tc,tc, (((( m4 - m3 ) << 2 ) + m2 - m5 + 4 ) >> 3) ); |
|---|
| 911 | piSrc[-iOffset] = ClipBD((m3+delta), bitDepthChroma); |
|---|
| 912 | piSrc[0] = ClipBD((m4-delta), bitDepthChroma); |
|---|
| 913 | |
|---|
| 914 | if(bPartPNoFilter) |
|---|
| 915 | { |
|---|
| 916 | piSrc[-iOffset] = m3; |
|---|
| 917 | } |
|---|
| 918 | if(bPartQNoFilter) |
|---|
| 919 | { |
|---|
| 920 | piSrc[0] = m4; |
|---|
| 921 | } |
|---|
| 922 | } |
|---|
| 923 | |
|---|
| 924 | /** |
|---|
| 925 | - Decision between strong and weak filter |
|---|
| 926 | . |
|---|
| 927 | \param offset offset value for picture data |
|---|
| 928 | \param d d value |
|---|
| 929 | \param beta beta value |
|---|
| 930 | \param tc tc value |
|---|
| 931 | \param piSrc pointer to picture data |
|---|
| 932 | */ |
|---|
| 933 | __inline Bool TComLoopFilter::xUseStrongFiltering( Int offset, Int d, Int beta, Int tc, Pel* piSrc) |
|---|
| 934 | { |
|---|
| 935 | Pel m4 = piSrc[0]; |
|---|
| 936 | Pel m3 = piSrc[-offset]; |
|---|
| 937 | Pel m7 = piSrc[ offset*3]; |
|---|
| 938 | Pel m0 = piSrc[-offset*4]; |
|---|
| 939 | |
|---|
| 940 | Int d_strong = abs(m0-m3) + abs(m7-m4); |
|---|
| 941 | |
|---|
| 942 | return ( (d_strong < (beta>>3)) && (d<(beta>>2)) && ( abs(m3-m4) < ((tc*5+1)>>1)) ); |
|---|
| 943 | } |
|---|
| 944 | |
|---|
| 945 | __inline Int TComLoopFilter::xCalcDP( Pel* piSrc, Int iOffset) |
|---|
| 946 | { |
|---|
| 947 | return abs( piSrc[-iOffset*3] - 2*piSrc[-iOffset*2] + piSrc[-iOffset] ) ; |
|---|
| 948 | } |
|---|
| 949 | |
|---|
| 950 | __inline Int TComLoopFilter::xCalcDQ( Pel* piSrc, Int iOffset) |
|---|
| 951 | { |
|---|
| 952 | return abs( piSrc[0] - 2*piSrc[iOffset] + piSrc[iOffset*2] ); |
|---|
| 953 | } |
|---|
| 954 | //! \} |
|---|