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| 1 | /*! | ||
| 2 | * \copy | ||
| 3 | * Copyright (c) 2009-2013, Cisco Systems | ||
| 4 | * All rights reserved. | ||
| 5 | * | ||
| 6 | * Redistribution and use in source and binary forms, with or without | ||
| 7 | * modification, are permitted provided that the following conditions | ||
| 8 | * are met: | ||
| 9 | * | ||
| 10 | * * Redistributions of source code must retain the above copyright | ||
| 11 | * notice, this list of conditions and the following disclaimer. | ||
| 12 | * | ||
| 13 | * * Redistributions in binary form must reproduce the above copyright | ||
| 14 | * notice, this list of conditions and the following disclaimer in | ||
| 15 | * the documentation and/or other materials provided with the | ||
| 16 | * distribution. | ||
| 17 | * | ||
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| 19 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| 20 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | ||
| 21 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | ||
| 22 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
| 23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | ||
| 24 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 25 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | ||
| 26 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | ||
| 28 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| 29 | * POSSIBILITY OF SUCH DAMAGE. | ||
| 30 | * | ||
| 31 | * | ||
| 32 | * \file rec_mb.c | ||
| 33 | * | ||
| 34 | * \brief implementation for all macroblock decoding process after mb syntax parsing and residual decoding with cavlc. | ||
| 35 | * | ||
| 36 | * \date 3/18/2009 Created | ||
| 37 | * | ||
| 38 | ************************************************************************************* | ||
| 39 | */ | ||
| 40 | #include <memory.h> | ||
| 41 | |||
| 42 | #include "macros.h" | ||
| 43 | |||
| 44 | #include "rec_mb.h" | ||
| 45 | #include "parse_mb_syn_cavlc.h" | ||
| 46 | #include "get_intra_predictor.h" | ||
| 47 | #include "decode_mb_aux.h" | ||
| 48 | #include "decode_slice.h" | ||
| 49 | |||
| 50 | namespace WelsDec { | ||
| 51 | |||
| 52 | void_t WelsFillRecNeededMbInfo(PWelsDecoderContext pCtx, bool_t bOutput, PDqLayer pCurLayer) | ||
| 53 | { | ||
| 54 | PPicture pCurPic = pCtx->pDec; | ||
| 55 | int32_t iLumaStride = pCurPic->iLinesize[0]; | ||
| 56 | int32_t iChromaStride = pCurPic->iLinesize[1]; | ||
| 57 | int32_t iMbX = pCurLayer->iMbX; | ||
| 58 | int32_t iMbY = pCurLayer->iMbY; | ||
| 59 | |||
| 60 | pCurLayer->iLumaStride= iLumaStride; | ||
| 61 | pCurLayer->iChromaStride= iChromaStride; | ||
| 62 | |||
| 63 | if(bOutput) | ||
| 64 | { | ||
| 65 | pCurLayer->pPred[0] = pCurPic->pData[0] + ((iMbY * iLumaStride + iMbX)<<4); | ||
| 66 | pCurLayer->pPred[1] = pCurPic->pData[1] + ((iMbY * iChromaStride + iMbX)<<3); | ||
| 67 | pCurLayer->pPred[2] = pCurPic->pData[2] + ((iMbY * iChromaStride + iMbX)<<3); | ||
| 68 | } | ||
| 69 | } | ||
| 70 | |||
| 71 | int32_t RecI4x4Mb(int32_t iMBXY, PWelsDecoderContext pCtx, int16_t *pScoeffLevel, PDqLayer pDqLayer) | ||
| 72 | { | ||
| 73 | RecI4x4Luma(iMBXY, pCtx, pScoeffLevel, pDqLayer); | ||
| 74 | RecI4x4Chroma( iMBXY, pCtx, pScoeffLevel, pDqLayer); | ||
| 75 | return ERR_NONE; | ||
| 76 | } | ||
| 77 | |||
| 78 | int32_t RecI4x4Luma(int32_t iMBXY, PWelsDecoderContext pCtx, int16_t *pScoeffLevel, PDqLayer pDqLayer) | ||
| 79 | { | ||
| 80 | /*****get local variable from outer variable********/ | ||
| 81 | /*prediction info*/ | ||
| 82 | uint8_t *pPred = pDqLayer->pPred[0]; | ||
| 83 | |||
| 84 | int32_t iLumaStride = pDqLayer->iLumaStride; | ||
| 85 | int32_t *pBlockOffset = pCtx->iDecBlockOffsetArray; | ||
| 86 | PGetIntraPredFunc *pGetI4x4LumaPredFunc = pCtx->pGetI4x4LumaPredFunc; | ||
| 87 | |||
| 88 | int8_t *pIntra4x4PredMode = pDqLayer->pIntra4x4FinalMode[iMBXY]; | ||
| 89 | int16_t *pRS = pScoeffLevel; | ||
| 90 | /*itransform info*/ | ||
| 91 | PIdctResAddPredFunc pIdctResAddPredFunc = pCtx->pIdctResAddPredFunc; | ||
| 92 | |||
| 93 | |||
| 94 | /*************local variable********************/ | ||
| 95 | uint8_t i = 0; | ||
| 96 | |||
| 97 | /*************real process*********************/ | ||
| 98 | for(i=0; i<16; i++) | ||
| 99 | { | ||
| 100 | |||
| 101 | uint8_t *pPredI4x4 = pPred + pBlockOffset[i]; | ||
| 102 | uint8_t uiMode= pIntra4x4PredMode[g_kuiScan4[i]]; | ||
| 103 | |||
| 104 | pGetI4x4LumaPredFunc[uiMode](pPredI4x4, iLumaStride); | ||
| 105 | |||
| 106 | if ( pDqLayer->pNzc[iMBXY][g_kuiMbNonZeroCountIdx[i]] ) | ||
| 107 | { | ||
| 108 | int16_t *pRSI4x4 = &pRS[i<<4]; | ||
| 109 | pIdctResAddPredFunc(pPredI4x4, iLumaStride, pRSI4x4); | ||
| 110 | } | ||
| 111 | } | ||
| 112 | |||
| 113 | return ERR_NONE; | ||
| 114 | } | ||
| 115 | |||
| 116 | |||
| 117 | int32_t RecI4x4Chroma(int32_t iMBXY, PWelsDecoderContext pCtx, int16_t *pScoeffLevel, PDqLayer pDqLayer) | ||
| 118 | { | ||
| 119 | int32_t iChromaStride = pCtx->pCurDqLayer->iCsStride[1]; | ||
| 120 | |||
| 121 | int8_t iChromaPredMode = pDqLayer->pChromaPredMode[iMBXY]; | ||
| 122 | |||
| 123 | PGetIntraPredFunc *pGetIChromaPredFunc = pCtx->pGetIChromaPredFunc; | ||
| 124 | |||
| 125 | uint8_t *pPred = pDqLayer->pPred[1]; | ||
| 126 | |||
| 127 | pGetIChromaPredFunc[iChromaPredMode](pPred, iChromaStride); | ||
| 128 | pPred = pDqLayer->pPred[2]; | ||
| 129 | pGetIChromaPredFunc[iChromaPredMode](pPred, iChromaStride); | ||
| 130 | |||
| 131 | RecChroma(iMBXY, pCtx, pScoeffLevel, pDqLayer); | ||
| 132 | |||
| 133 | return ERR_NONE; | ||
| 134 | } | ||
| 135 | |||
| 136 | |||
| 137 | int32_t RecI16x16Mb(int32_t iMBXY, PWelsDecoderContext pCtx, int16_t *pScoeffLevel, PDqLayer pDqLayer) | ||
| 138 | { | ||
| 139 | /*decoder use, encoder no use*/ | ||
| 140 | int8_t iI16x16PredMode = pDqLayer->pIntraPredMode[iMBXY][7]; | ||
| 141 | int8_t iChromaPredMode = pDqLayer->pChromaPredMode[iMBXY]; | ||
| 142 | PGetIntraPredFunc *pGetIChromaPredFunc = pCtx->pGetIChromaPredFunc; | ||
| 143 | PGetIntraPredFunc *pGetI16x16LumaPredFunc = pCtx->pGetI16x16LumaPredFunc; | ||
| 144 | int32_t iUVStride = pCtx->pCurDqLayer->iCsStride[1]; | ||
| 145 | |||
| 146 | /*common use by decoder&encoder*/ | ||
| 147 | int32_t iYStride = pDqLayer->iLumaStride; | ||
| 148 | int32_t *pBlockOffset = pCtx->iDecBlockOffsetArray; | ||
| 149 | int16_t *pRS = pScoeffLevel; | ||
| 150 | |||
| 151 | uint8_t *pPred = pDqLayer->pPred[0]; | ||
| 152 | |||
| 153 | PIdctResAddPredFunc pIdctResAddPredFunc = pCtx->pIdctResAddPredFunc; | ||
| 154 | |||
| 155 | uint8_t i = 0; | ||
| 156 | |||
| 157 | /*decode i16x16 y*/ | ||
| 158 | pGetI16x16LumaPredFunc[iI16x16PredMode](pPred, iYStride); | ||
| 159 | |||
| 160 | /*1 mb is divided 16 4x4_block to idct*/ | ||
| 161 | for(i=0; i<16; i++) | ||
| 162 | { | ||
| 163 | int16_t *pRSI4x4 = pRS + (i<<4); | ||
| 164 | uint8_t *pPredI4x4 = pPred + pBlockOffset[i]; | ||
| 165 | |||
| 166 | if ( pDqLayer->pNzc[iMBXY][g_kuiMbNonZeroCountIdx[i]] || pRSI4x4[0] ) | ||
| 167 | { | ||
| 168 | pIdctResAddPredFunc(pPredI4x4, iYStride, pRSI4x4); | ||
| 169 | } | ||
| 170 | } | ||
| 171 | |||
| 172 | /*decode intra mb cb&cr*/ | ||
| 173 | pPred = pDqLayer->pPred[1]; | ||
| 174 | pGetIChromaPredFunc[iChromaPredMode](pPred, iUVStride); | ||
| 175 | pPred = pDqLayer->pPred[2]; | ||
| 176 | pGetIChromaPredFunc[iChromaPredMode](pPred, iUVStride); | ||
| 177 | RecChroma(iMBXY, pCtx, pScoeffLevel,pDqLayer); | ||
| 178 | |||
| 179 | return ERR_NONE; | ||
| 180 | } | ||
| 181 | |||
| 182 | typedef struct TagMCRefMember { | ||
| 183 | uint8_t* pDstY; | ||
| 184 | uint8_t* pDstU; | ||
| 185 | uint8_t* pDstV; | ||
| 186 | |||
| 187 | uint8_t* pSrcY; | ||
| 188 | uint8_t* pSrcU; | ||
| 189 | uint8_t* pSrcV; | ||
| 190 | |||
| 191 | int32_t iSrcLineLuma; | ||
| 192 | int32_t iSrcLineChroma; | ||
| 193 | |||
| 194 | int32_t iDstLineLuma; | ||
| 195 | int32_t iDstLineChroma; | ||
| 196 | |||
| 197 | int32_t iPicWidth; | ||
| 198 | int32_t iPicHeight; | ||
| 199 | }sMCRefMember; | ||
| 200 | //according to current 8*8 block ref_index to gain reference picture | ||
| 201 | static inline void_t GetRefPic(sMCRefMember* pMCRefMem, PWelsDecoderContext pCtx, int8_t* pRefIdxList, int32_t iIndex) | ||
| 202 | { | ||
| 203 | PPicture pRefPic; | ||
| 204 | |||
| 205 | int8_t iRefIdx = pRefIdxList[iIndex]; | ||
| 206 | pRefPic = pCtx->sRefPic.pRefList[LIST_0][iRefIdx]; | ||
| 207 | |||
| 208 | pMCRefMem->iSrcLineLuma = pRefPic->iLinesize[0]; | ||
| 209 | pMCRefMem->iSrcLineChroma = pRefPic->iLinesize[1]; | ||
| 210 | |||
| 211 | pMCRefMem->pSrcY = pRefPic->pData[0]; | ||
| 212 | pMCRefMem->pSrcU = pRefPic->pData[1]; | ||
| 213 | pMCRefMem->pSrcV = pRefPic->pData[2]; | ||
| 214 | } | ||
| 215 | |||
| 216 | |||
| 217 | #ifndef MC_FLOW_SIMPLE_JUDGE | ||
| 218 | #define MC_FLOW_SIMPLE_JUDGE 1 | ||
| 219 | #endif //MC_FLOW_SIMPLE_JUDGE | ||
| 220 | static inline void_t BaseMC(sMCRefMember* pMCRefMem, int32_t iXOffset, int32_t iYOffset, SMcFunc* pMCFunc, | ||
| 221 | int32_t iBlkWidth, int32_t iBlkHeight, int16_t iMVs[2]) | ||
| 222 | { | ||
| 223 | int32_t iExpandWidth = PADDING_LENGTH; | ||
| 224 | int32_t iExpandHeight = PADDING_LENGTH; | ||
| 225 | |||
| 226 | |||
| 227 | int16_t iMVX = iMVs[0] >> 2; | ||
| 228 | int16_t iMVY = iMVs[1] >> 2; | ||
| 229 | int32_t iMVOffsetLuma = iMVX + iMVY * pMCRefMem->iSrcLineLuma; | ||
| 230 | int32_t iMVOffsetChroma = (iMVX>>1) + (iMVY>>1) * pMCRefMem->iSrcLineChroma; | ||
| 231 | |||
| 232 | int32_t iFullMVx = (iXOffset << 2) + iMVs[0]; //quarter pixel | ||
| 233 | int32_t iFullMVy = (iYOffset << 2) + iMVs[1]; | ||
| 234 | int32_t iIntMVx = iFullMVx >> 2;//integer pixel | ||
| 235 | int32_t iIntMVy = iFullMVy >> 2; | ||
| 236 | |||
| 237 | int32_t iSrcPixOffsetLuma = iXOffset + iYOffset * pMCRefMem->iSrcLineLuma; | ||
| 238 | int32_t iSrcPixOffsetChroma = (iXOffset>>1) + (iYOffset>>1) * pMCRefMem->iSrcLineChroma; | ||
| 239 | |||
| 240 | int32_t iBlkWidthChroma = iBlkWidth >> 1; | ||
| 241 | int32_t iBlkHeightChroma = iBlkHeight >> 1; | ||
| 242 | int32_t iPicWidthChroma = pMCRefMem->iPicWidth >> 1; | ||
| 243 | int32_t iPicHeightChroma = pMCRefMem->iPicHeight >> 1; | ||
| 244 | |||
| 245 | //the offset only for luma padding if MV violation as there was 5-tap (-2, -1, 0, 1, 2) filter for luma (horizon and vertical) | ||
| 246 | int32_t iPadOffset = 2 + (pMCRefMem->iSrcLineLuma << 1); //(-2, -2) pixel location as the starting point | ||
| 247 | |||
| 248 | uint8_t* pSrcY = pMCRefMem->pSrcY + iSrcPixOffsetLuma; | ||
| 249 | uint8_t* pSrcU = pMCRefMem->pSrcU + iSrcPixOffsetChroma; | ||
| 250 | uint8_t* pSrcV = pMCRefMem->pSrcV + iSrcPixOffsetChroma; | ||
| 251 | uint8_t* pDstY = pMCRefMem->pDstY; | ||
| 252 | uint8_t* pDstU = pMCRefMem->pDstU; | ||
| 253 | uint8_t* pDstV = pMCRefMem->pDstV; | ||
| 254 | bool_t bExpand = false; | ||
| 255 | |||
| 256 | FORCE_STACK_ALIGN_1D( uint8_t, uiExpandBuf, (PADDING_LENGTH+6)*(PADDING_LENGTH+6), 16 ); | ||
| 257 | |||
| 258 | if (iFullMVx & 0x07) | ||
| 259 | { | ||
| 260 | iExpandWidth -= 3; | ||
| 261 | } | ||
| 262 | if (iFullMVy & 0x07) | ||
| 263 | { | ||
| 264 | iExpandHeight -= 3; | ||
| 265 | } | ||
| 266 | |||
| 267 | #ifdef MC_FLOW_SIMPLE_JUDGE | ||
| 268 | if (iIntMVx < -iExpandWidth || | ||
| 269 | iIntMVy < -iExpandHeight || | ||
| 270 | iIntMVx + iBlkWidth > pMCRefMem->iPicWidth - 1 + iExpandWidth || | ||
| 271 | iIntMVy + iBlkHeight > pMCRefMem->iPicHeight - 1 + iExpandHeight) | ||
| 272 | #else | ||
| 273 | if (iIntMVx < -iExpandWidth || | ||
| 274 | iIntMVy < -iExpandHeight || | ||
| 275 | iIntMVx + PADDING_LENGTH > pMCRefMem->iPicWidth + iExpandWidth || | ||
| 276 | iIntMVy + PADDING_LENGTH > pMCRefMem->iPicHeight + iExpandHeight) | ||
| 277 | #endif | ||
| 278 | { | ||
| 279 | FillBufForMc(uiExpandBuf, 21, pSrcY, pMCRefMem->iSrcLineLuma, iMVOffsetLuma-iPadOffset, | ||
| 280 | iBlkWidth+5, iBlkHeight+5, iIntMVx-2, iIntMVy-2, pMCRefMem->iPicWidth, pMCRefMem->iPicHeight); | ||
| 281 | pMCFunc->pMcLumaFunc(uiExpandBuf+44, 21, pDstY, pMCRefMem->iDstLineLuma, iFullMVx, iFullMVy, iBlkWidth, iBlkHeight);//44=2+2*21 | ||
| 282 | bExpand = true; | ||
| 283 | } | ||
| 284 | else | ||
| 285 | { | ||
| 286 | pSrcY += iMVOffsetLuma; | ||
| 287 | pMCFunc->pMcLumaFunc(pSrcY, pMCRefMem->iSrcLineLuma, pDstY, pMCRefMem->iDstLineLuma, iFullMVx, iFullMVy, iBlkWidth, iBlkHeight); | ||
| 288 | } | ||
| 289 | |||
| 290 | if (bExpand) | ||
| 291 | { | ||
| 292 | FillBufForMc(uiExpandBuf, 21, pSrcU, pMCRefMem->iSrcLineChroma, iMVOffsetChroma, iBlkWidthChroma+1, iBlkHeightChroma+1, iFullMVx>>3, iFullMVy>>3, iPicWidthChroma, iPicHeightChroma); | ||
| 293 | pMCFunc->pMcChromaFunc(uiExpandBuf, 21, pDstU, pMCRefMem->iDstLineChroma, iFullMVx, iFullMVy, iBlkWidthChroma, iBlkHeightChroma); | ||
| 294 | |||
| 295 | FillBufForMc(uiExpandBuf, 21, pSrcV, pMCRefMem->iSrcLineChroma, iMVOffsetChroma, iBlkWidthChroma+1, iBlkHeightChroma+1, iFullMVx>>3, iFullMVy>>3, iPicWidthChroma, iPicHeightChroma); | ||
| 296 | pMCFunc->pMcChromaFunc(uiExpandBuf, 21, pDstV, pMCRefMem->iDstLineChroma, iFullMVx, iFullMVy, iBlkWidthChroma, iBlkHeightChroma); | ||
| 297 | } | ||
| 298 | else | ||
| 299 | { | ||
| 300 | pSrcU += iMVOffsetChroma; | ||
| 301 | pSrcV += iMVOffsetChroma; | ||
| 302 | pMCFunc->pMcChromaFunc(pSrcU, pMCRefMem->iSrcLineChroma, pDstU, pMCRefMem->iDstLineChroma, iFullMVx, iFullMVy, iBlkWidthChroma, iBlkHeightChroma); | ||
| 303 | pMCFunc->pMcChromaFunc(pSrcV, pMCRefMem->iSrcLineChroma, pDstV, pMCRefMem->iDstLineChroma, iFullMVx, iFullMVy, iBlkWidthChroma, iBlkHeightChroma); | ||
| 304 | } | ||
| 305 | } | ||
| 306 | |||
| 307 | void_t GetInterPred(uint8_t *pPredY, uint8_t *pPredCb, uint8_t *pPredCr, PWelsDecoderContext pCtx) | ||
| 308 | { | ||
| 309 | sMCRefMember pMCRefMem; | ||
| 310 | PDqLayer pCurDqLayer = pCtx->pCurDqLayer; | ||
| 311 | SMcFunc* pMCFunc = &pCtx->sMcFunc; | ||
| 312 | |||
| 313 | int32_t iMBXY = pCurDqLayer->iMbXyIndex; | ||
| 314 | |||
| 315 | int16_t iMVs[2] = {0}; | ||
| 316 | |||
| 317 | int32_t iMBType = pCurDqLayer->pMbType[iMBXY]; | ||
| 318 | |||
| 319 | int32_t iMBOffsetX = pCurDqLayer->iMbX << 4; | ||
| 320 | int32_t iMBOffsetY = pCurDqLayer->iMbY << 4; | ||
| 321 | |||
| 322 | int32_t iDstLineLuma = pCtx->pDec->iLinesize[0]; | ||
| 323 | int32_t iDstLineChroma = pCtx->pDec->iLinesize[1]; | ||
| 324 | |||
| 325 | int32_t iBlk8X, iBlk8Y, iBlk4X, iBlk4Y, i, j, iIIdx, iJIdx; | ||
| 326 | |||
| 327 | pMCRefMem.iPicWidth = (pCurDqLayer->sLayerInfo.sSliceInLayer.sSliceHeaderExt.sSliceHeader.iMbWidth<<4); | ||
| 328 | pMCRefMem.iPicHeight = (pCurDqLayer->sLayerInfo.sSliceInLayer.sSliceHeaderExt.sSliceHeader.iMbHeight<<4); | ||
| 329 | |||
| 330 | pMCRefMem.pDstY = pPredY; | ||
| 331 | pMCRefMem.pDstU = pPredCb; | ||
| 332 | pMCRefMem.pDstV = pPredCr; | ||
| 333 | |||
| 334 | pMCRefMem.iDstLineLuma = iDstLineLuma; | ||
| 335 | pMCRefMem.iDstLineChroma = iDstLineChroma; | ||
| 336 | switch(iMBType) | ||
| 337 | { | ||
| 338 | case MB_TYPE_SKIP: | ||
| 339 | case MB_TYPE_16x16: | ||
| 340 | iMVs[0] = pCurDqLayer->pMv[0][iMBXY][0][0]; | ||
| 341 | iMVs[1] = pCurDqLayer->pMv[0][iMBXY][0][1]; | ||
| 342 | GetRefPic( &pMCRefMem, pCtx, pCurDqLayer->pRefIndex[0][iMBXY], 0 ); | ||
| 343 | BaseMC(&pMCRefMem, iMBOffsetX, iMBOffsetY, pMCFunc, 16, 16, iMVs); | ||
| 344 | break; | ||
| 345 | case MB_TYPE_16x8: | ||
| 346 | iMVs[0] = pCurDqLayer->pMv[0][iMBXY][0][0]; | ||
| 347 | iMVs[1] = pCurDqLayer->pMv[0][iMBXY][0][1]; | ||
| 348 | GetRefPic( &pMCRefMem, pCtx, pCurDqLayer->pRefIndex[0][iMBXY], 0 ); | ||
| 349 | BaseMC(&pMCRefMem, iMBOffsetX, iMBOffsetY, pMCFunc, 16, 8, iMVs); | ||
| 350 | |||
| 351 | iMVs[0] = pCurDqLayer->pMv[0][iMBXY][8][0]; | ||
| 352 | iMVs[1] = pCurDqLayer->pMv[0][iMBXY][8][1]; | ||
| 353 | GetRefPic( &pMCRefMem, pCtx, pCurDqLayer->pRefIndex[0][iMBXY], 8 ); | ||
| 354 | pMCRefMem.pDstY = pPredY + (iDstLineLuma << 3); | ||
| 355 | pMCRefMem.pDstU = pPredCb + (iDstLineChroma << 2); | ||
| 356 | pMCRefMem.pDstV = pPredCr + (iDstLineChroma << 2); | ||
| 357 | BaseMC(&pMCRefMem, iMBOffsetX, iMBOffsetY+8, pMCFunc, 16, 8, iMVs); | ||
| 358 | break; | ||
| 359 | case MB_TYPE_8x16: | ||
| 360 | iMVs[0] = pCurDqLayer->pMv[0][iMBXY][0][0]; | ||
| 361 | iMVs[1] = pCurDqLayer->pMv[0][iMBXY][0][1]; | ||
| 362 | GetRefPic( &pMCRefMem, pCtx, pCurDqLayer->pRefIndex[0][iMBXY], 0 ); | ||
| 363 | BaseMC(&pMCRefMem, iMBOffsetX, iMBOffsetY, pMCFunc, 8, 16, iMVs); | ||
| 364 | |||
| 365 | iMVs[0] = pCurDqLayer->pMv[0][iMBXY][2][0]; | ||
| 366 | iMVs[1] = pCurDqLayer->pMv[0][iMBXY][2][1]; | ||
| 367 | GetRefPic( &pMCRefMem, pCtx, pCurDqLayer->pRefIndex[0][iMBXY], 2 ); | ||
| 368 | pMCRefMem.pDstY = pPredY + 8; | ||
| 369 | pMCRefMem.pDstU = pPredCb + 4; | ||
| 370 | pMCRefMem.pDstV = pPredCr + 4; | ||
| 371 | BaseMC(&pMCRefMem, iMBOffsetX+8, iMBOffsetY, pMCFunc, 8, 16, iMVs); | ||
| 372 | break; | ||
| 373 | case MB_TYPE_8x8: | ||
| 374 | case MB_TYPE_8x8_REF0: | ||
| 375 | { | ||
| 376 | uint32_t iSubMBType; | ||
| 377 | int32_t iXOffset, iYOffset; | ||
| 378 | uint8_t *pDstY, *pDstU, *pDstV; | ||
| 379 | for (i = 0; i < 4; i++) | ||
| 380 | { | ||
| 381 | iSubMBType = pCurDqLayer->pSubMbType[iMBXY][i]; | ||
| 382 | iBlk8X = (i&1) << 3; | ||
| 383 | iBlk8Y = (i>>1) << 3; | ||
| 384 | iXOffset = iMBOffsetX + iBlk8X; | ||
| 385 | iYOffset = iMBOffsetY + iBlk8Y; | ||
| 386 | |||
| 387 | iIIdx = ((i>>1)<<3) +((i&1)<<1); | ||
| 388 | GetRefPic( &pMCRefMem, pCtx, pCurDqLayer->pRefIndex[0][iMBXY], iIIdx ); | ||
| 389 | |||
| 390 | pDstY = pPredY + iBlk8X + iBlk8Y * iDstLineLuma; | ||
| 391 | pDstU = pPredCb + (iBlk8X >> 1) + (iBlk8Y >> 1) * iDstLineChroma; | ||
| 392 | pDstV = pPredCr + (iBlk8X >> 1) + (iBlk8Y >> 1) * iDstLineChroma; | ||
| 393 | pMCRefMem.pDstY = pDstY; | ||
| 394 | pMCRefMem.pDstU = pDstU; | ||
| 395 | pMCRefMem.pDstV = pDstV; | ||
| 396 | switch(iSubMBType) | ||
| 397 | { | ||
| 398 | case SUB_MB_TYPE_8x8: | ||
| 399 | iMVs[0] = pCurDqLayer->pMv[0][iMBXY][iIIdx][0]; | ||
| 400 | iMVs[1] = pCurDqLayer->pMv[0][iMBXY][iIIdx][1]; | ||
| 401 | BaseMC( &pMCRefMem, iXOffset, iYOffset, pMCFunc, 8, 8, iMVs ); | ||
| 402 | break; | ||
| 403 | case SUB_MB_TYPE_8x4: | ||
| 404 | iMVs[0] = pCurDqLayer->pMv[0][iMBXY][iIIdx][0]; | ||
| 405 | iMVs[1] = pCurDqLayer->pMv[0][iMBXY][iIIdx][1]; | ||
| 406 | BaseMC(&pMCRefMem, iXOffset, iYOffset, pMCFunc, 8, 4, iMVs); | ||
| 407 | |||
| 408 | iMVs[0] = pCurDqLayer->pMv[0][iMBXY][iIIdx+4][0]; | ||
| 409 | iMVs[1] = pCurDqLayer->pMv[0][iMBXY][iIIdx+4][1]; | ||
| 410 | pMCRefMem.pDstY += (iDstLineLuma << 2); | ||
| 411 | pMCRefMem.pDstU += (iDstLineChroma << 1); | ||
| 412 | pMCRefMem.pDstV += (iDstLineChroma << 1); | ||
| 413 | BaseMC(&pMCRefMem, iXOffset, iYOffset+4, pMCFunc, 8, 4, iMVs); | ||
| 414 | break; | ||
| 415 | case SUB_MB_TYPE_4x8: | ||
| 416 | iMVs[0] = pCurDqLayer->pMv[0][iMBXY][iIIdx][0]; | ||
| 417 | iMVs[1] = pCurDqLayer->pMv[0][iMBXY][iIIdx][1]; | ||
| 418 | BaseMC(&pMCRefMem, iXOffset, iYOffset, pMCFunc, 4, 8, iMVs); | ||
| 419 | |||
| 420 | iMVs[0] = pCurDqLayer->pMv[0][iMBXY][iIIdx+1][0]; | ||
| 421 | iMVs[1] = pCurDqLayer->pMv[0][iMBXY][iIIdx+1][1]; | ||
| 422 | pMCRefMem.pDstY += 4; | ||
| 423 | pMCRefMem.pDstU += 2; | ||
| 424 | pMCRefMem.pDstV += 2; | ||
| 425 | BaseMC(&pMCRefMem, iXOffset+4, iYOffset, pMCFunc, 4, 8, iMVs); | ||
| 426 | break; | ||
| 427 | case SUB_MB_TYPE_4x4: | ||
| 428 | { | ||
| 429 | for (j = 0; j < 4; j++) | ||
| 430 | { | ||
| 431 | int32_t iUVLineStride; | ||
| 432 | iJIdx = ((j>>1)<<2) + (j&1); | ||
| 433 | |||
| 434 | iBlk4X = (j&1) << 2; | ||
| 435 | iBlk4Y = (j>>1) << 2; | ||
| 436 | |||
| 437 | iUVLineStride = (iBlk4X >> 1) + (iBlk4Y >> 1) * iDstLineChroma; | ||
| 438 | pMCRefMem.pDstY = pDstY + iBlk4X + iBlk4Y * iDstLineLuma; | ||
| 439 | pMCRefMem.pDstU = pDstU + iUVLineStride; | ||
| 440 | pMCRefMem.pDstV = pDstV + iUVLineStride; | ||
| 441 | |||
| 442 | iMVs[0] = pCurDqLayer->pMv[0][iMBXY][iIIdx+iJIdx][0]; | ||
| 443 | iMVs[1] = pCurDqLayer->pMv[0][iMBXY][iIIdx+iJIdx][1]; | ||
| 444 | BaseMC(&pMCRefMem, iXOffset+iBlk4X, iYOffset+iBlk4Y, pMCFunc, 4, 4, iMVs); | ||
| 445 | } | ||
| 446 | } | ||
| 447 | break; | ||
| 448 | default: | ||
| 449 | break; | ||
| 450 | } | ||
| 451 | } | ||
| 452 | } | ||
| 453 | break; | ||
| 454 | default: | ||
| 455 | break; | ||
| 456 | } | ||
| 457 | } | ||
| 458 | |||
| 459 | int32_t RecChroma(int32_t iMBXY, PWelsDecoderContext pCtx, int16_t *pScoeffLevel, PDqLayer pDqLayer) | ||
| 460 | { | ||
| 461 | int32_t iChromaStride = pCtx->pCurDqLayer->iCsStride[1]; | ||
| 462 | PIdctResAddPredFunc pIdctResAddPredFunc = pCtx->pIdctResAddPredFunc; | ||
| 463 | |||
| 464 | uint8_t i=0, j=0; | ||
| 465 | uint8_t uiCbpC = pDqLayer->pCbp[iMBXY] >> 4; | ||
| 466 | |||
| 467 | if ( 1 == uiCbpC || 2 == uiCbpC ) | ||
| 468 | { | ||
| 469 | WelsChromaDcIdct( pScoeffLevel + 256 ); // 256 = 16*16 | ||
| 470 | WelsChromaDcIdct( pScoeffLevel + 320 ); // 256 = 16*16 | ||
| 471 | for(i=0; i<2; i++) | ||
| 472 | { | ||
| 473 | int16_t *pRS = pScoeffLevel + 256 + (i << 6); | ||
| 474 | uint8_t *pPred = pDqLayer->pPred[i+1]; | ||
| 475 | int32_t *pBlockOffset = i==0 ? &pCtx->iDecBlockOffsetArray[16] : &pCtx->iDecBlockOffsetArray[20]; | ||
| 476 | |||
| 477 | /*1 chroma is divided 4 4x4_block to idct*/ | ||
| 478 | for(j=0; j<4; j++) | ||
| 479 | { | ||
| 480 | int16_t *pRSI4x4 = &pRS[j<<4]; | ||
| 481 | uint8_t *pPredI4x4 = pPred + pBlockOffset[j]; | ||
| 482 | |||
| 483 | if ( pDqLayer->pNzc[iMBXY][g_kuiMbNonZeroCountIdx[16+(i<<2)+j]] || pRSI4x4[0] ) | ||
| 484 | { | ||
| 485 | pIdctResAddPredFunc(pPredI4x4, iChromaStride, pRSI4x4); | ||
| 486 | } | ||
| 487 | } | ||
| 488 | } | ||
| 489 | } | ||
| 490 | |||
| 491 | return ERR_NONE; | ||
| 492 | } | ||
| 493 | |||
| 494 | void_t FillBufForMc(uint8_t *pBuf, int32_t iBufStride, uint8_t *pSrc, int32_t iSrcStride, int32_t iSrcOffset, | ||
| 495 | int32_t iBlockWidth, int32_t iBlockHeight, int32_t iSrcX, int32_t iSrcY, int32_t iPicWidth, int32_t iPicHeight) | ||
| 496 | { | ||
| 497 | int32_t iY; | ||
| 498 | int32_t iStartY, iStartX, iEndY, iEndX; | ||
| 499 | int32_t iOffsetAdj = 0; | ||
| 500 | int32_t iAddrSrc, iAddrBuf; | ||
| 501 | int32_t iNum, iNum1; | ||
| 502 | uint8_t *pBufSrc, *pBufDst; | ||
| 503 | uint8_t *pBufSrc1, *pBufDst1; | ||
| 504 | |||
| 505 | if( iSrcY >= iPicHeight ) | ||
| 506 | { | ||
| 507 | iOffsetAdj += ( iPicHeight - 1 - iSrcY ) * iSrcStride; | ||
| 508 | iSrcY = iPicHeight - 1; | ||
| 509 | } | ||
| 510 | else if( iSrcY <= -iBlockHeight ) | ||
| 511 | { | ||
| 512 | iOffsetAdj += ( 1 - iBlockHeight - iSrcY ) * iSrcStride; | ||
| 513 | iSrcY = 1 - iBlockHeight; | ||
| 514 | } | ||
| 515 | if( iSrcX >= iPicWidth ) | ||
| 516 | { | ||
| 517 | iOffsetAdj += ( iPicWidth - 1 - iSrcX ); | ||
| 518 | iSrcX = iPicWidth - 1; | ||
| 519 | } | ||
| 520 | else if( iSrcX <= -iBlockWidth ) | ||
| 521 | { | ||
| 522 | iOffsetAdj += ( 1 - iBlockWidth - iSrcX ); | ||
| 523 | iSrcX = 1 - iBlockWidth; | ||
| 524 | } | ||
| 525 | |||
| 526 | iOffsetAdj += iSrcOffset; | ||
| 527 | |||
| 528 | #define MAX(a,b) ((a) > (b) ? (a) : (b)) | ||
| 529 | #define MIN(a,b) ((a) > (b) ? (b) : (a)) | ||
| 530 | |||
| 531 | iStartY = MAX(0, -iSrcY); | ||
| 532 | iStartX = MAX(0, -iSrcX); | ||
| 533 | iEndY = MIN(iBlockHeight, iPicHeight - iSrcY); | ||
| 534 | iEndX = MIN(iBlockWidth, iPicWidth - iSrcX); | ||
| 535 | |||
| 536 | // copy existing part | ||
| 537 | iAddrSrc = iStartX + iStartY * iSrcStride; | ||
| 538 | iAddrBuf = iStartX + iStartY * iBufStride; | ||
| 539 | iNum = iEndX - iStartX; | ||
| 540 | for( iY = iStartY; iY < iEndY; iY++ ) | ||
| 541 | { | ||
| 542 | memcpy( pBuf + iAddrBuf, pSrc + iOffsetAdj + iAddrSrc, iNum ); | ||
| 543 | iAddrSrc += iSrcStride; | ||
| 544 | iAddrBuf += iBufStride; | ||
| 545 | } | ||
| 546 | |||
| 547 | //top | ||
| 548 | pBufSrc = pBuf + iStartX + iStartY * iBufStride; | ||
| 549 | pBufDst = pBuf + iStartX; | ||
| 550 | iNum = iEndX - iStartX; | ||
| 551 | for( iY = 0; iY < iStartY; iY++ ) | ||
| 552 | { | ||
| 553 | memcpy( pBufDst, pBufSrc, iNum ); | ||
| 554 | pBufDst += iBufStride; | ||
| 555 | } | ||
| 556 | |||
| 557 | //bottom | ||
| 558 | pBufSrc = pBuf + iStartX + ( iEndY - 1 ) * iBufStride; | ||
| 559 | pBufDst = pBuf + iStartX + iEndY * iBufStride; | ||
| 560 | iNum = iEndX - iStartX; | ||
| 561 | for( iY = iEndY; iY < iBlockHeight; iY++ ) | ||
| 562 | { | ||
| 563 | memcpy( pBufDst, pBufSrc, iNum ); | ||
| 564 | pBufDst += iBufStride; | ||
| 565 | } | ||
| 566 | |||
| 567 | |||
| 568 | pBufSrc = pBuf + iStartX; | ||
| 569 | pBufDst = pBuf; | ||
| 570 | iNum = iStartX; | ||
| 571 | |||
| 572 | pBufSrc1 = pBuf + iEndX - 1; | ||
| 573 | pBufDst1 = pBuf + iEndX; | ||
| 574 | iNum1 = iBlockWidth - iEndX; | ||
| 575 | for( iY=0; iY<iBlockHeight; iY++ ) | ||
| 576 | { | ||
| 577 | //left | ||
| 578 | memset( pBufDst, pBufSrc[0], iNum ); | ||
| 579 | pBufDst += iBufStride; | ||
| 580 | pBufSrc += iBufStride; | ||
| 581 | |||
| 582 | //right | ||
| 583 | memset( pBufDst1, pBufSrc1[0], iNum1 ); | ||
| 584 | pBufDst1 += iBufStride; | ||
| 585 | pBufSrc1 += iBufStride; | ||
| 586 | } | ||
| 587 | } | ||
| 588 | |||
| 589 | } // namespace WelsDec | ||