ref: 1a7826c6eb393713186361a5f8250160bc9b0f77
parent: 8ed4e83e93124ffdbf900f6a816a191fea5df9cd
author: dongzha <dongzha@DONGZHA-WS04.cisco.com>
date: Wed Nov 5 11:59:14 EST 2014
remove ugly MC code
--- a/codec/decoder/core/inc/rec_mb.h
+++ b/codec/decoder/core/inc/rec_mb.h
@@ -63,9 +63,6 @@
void GetInterPred (uint8_t* pPredY, uint8_t* pPredCb, uint8_t* pPredCr, PWelsDecoderContext pCtx);
-void FillBufForMc (uint8_t* pBuf, int32_t iBufStride, uint8_t* pSrc, int32_t iSrcStride, int32_t iSrcOffset,
- int32_t iBlockWidth, int32_t iBlockHeight, int32_t iSrcX, int32_t iSrcY, int32_t iPicWidth, int32_t iPicHeight);
-
} // namespace WelsDec
#endif //WELS_REC_MB_H__
--- a/codec/decoder/core/src/rec_mb.cpp
+++ b/codec/decoder/core/src/rec_mb.cpp
@@ -204,22 +204,13 @@
#endif //MC_FLOW_SIMPLE_JUDGE
static inline void BaseMC (sMCRefMember* pMCRefMem, int32_t iXOffset, int32_t iYOffset, SMcFunc* pMCFunc,
int32_t iBlkWidth, int32_t iBlkHeight, int16_t iMVs[2]) {- int32_t iExpandWidth = PADDING_LENGTH;
- int32_t iExpandHeight = PADDING_LENGTH;
-
-
- int16_t iMVX = iMVs[0] >> 2;
- int16_t iMVY = iMVs[1] >> 2;
- int32_t iMVOffsetLuma = iMVX + iMVY * pMCRefMem->iSrcLineLuma;
- int32_t iMVOffsetChroma = (iMVX >> 1) + (iMVY >> 1) * pMCRefMem->iSrcLineChroma;
-
int32_t iFullMVx = (iXOffset << 2) + iMVs[0]; //quarter pixel
int32_t iFullMVy = (iYOffset << 2) + iMVs[1];
- int32_t iIntMVx = iFullMVx >> 2;//integer pixel
- int32_t iIntMVy = iFullMVy >> 2;
+ iFullMVx = WELS_CLIP3 (iFullMVx, ((-PADDING_LENGTH + 2) << 2), ((pMCRefMem->iPicWidth + PADDING_LENGTH - 17) << 2));
+ iFullMVy = WELS_CLIP3 (iFullMVy, ((-PADDING_LENGTH + 2) << 2), ((pMCRefMem->iPicHeight + PADDING_LENGTH - 17) << 2));
- int32_t iSrcPixOffsetLuma = iXOffset + iYOffset * pMCRefMem->iSrcLineLuma;
- int32_t iSrcPixOffsetChroma = (iXOffset >> 1) + (iYOffset >> 1) * pMCRefMem->iSrcLineChroma;
+ int32_t iSrcPixOffsetLuma = (iFullMVx >> 2) + (iFullMVy >> 2) * pMCRefMem->iSrcLineLuma;
+ int32_t iSrcPixOffsetChroma = (iFullMVx >> 3) + (iFullMVy >> 3) * pMCRefMem->iSrcLineChroma;
int32_t iBlkWidthChroma = iBlkWidth >> 1;
int32_t iBlkHeightChroma = iBlkHeight >> 1;
@@ -226,9 +217,6 @@
int32_t iPicWidthChroma = pMCRefMem->iPicWidth >> 1;
int32_t iPicHeightChroma = pMCRefMem->iPicHeight >> 1;
- //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)
- int32_t iPadOffset = 2 + (pMCRefMem->iSrcLineLuma << 1); //(-2, -2) pixel location as the starting point
-
uint8_t* pSrcY = pMCRefMem->pSrcY + iSrcPixOffsetLuma;
uint8_t* pSrcU = pMCRefMem->pSrcU + iSrcPixOffsetChroma;
uint8_t* pSrcV = pMCRefMem->pSrcV + iSrcPixOffsetChroma;
@@ -235,58 +223,14 @@
uint8_t* pDstY = pMCRefMem->pDstY;
uint8_t* pDstU = pMCRefMem->pDstU;
uint8_t* pDstV = pMCRefMem->pDstV;
- bool bExpand = false;
- ENFORCE_STACK_ALIGN_1D (uint8_t, uiExpandBuf, (PADDING_LENGTH + 6) * (PADDING_LENGTH + 6), 16);
+ pMCFunc->pMcLumaFunc (pSrcY, pMCRefMem->iSrcLineLuma, pDstY, pMCRefMem->iDstLineLuma, iFullMVx, iFullMVy, iBlkWidth,
+ iBlkHeight);
+ pMCFunc->pMcChromaFunc (pSrcU, pMCRefMem->iSrcLineChroma, pDstU, pMCRefMem->iDstLineChroma, iFullMVx, iFullMVy,
+ iBlkWidthChroma, iBlkHeightChroma);
+ pMCFunc->pMcChromaFunc (pSrcV, pMCRefMem->iSrcLineChroma, pDstV, pMCRefMem->iDstLineChroma, iFullMVx, iFullMVy,
+ iBlkWidthChroma, iBlkHeightChroma);
- if (iFullMVx & 0x07) {- iExpandWidth -= 3;
- }
- if (iFullMVy & 0x07) {- iExpandHeight -= 3;
- }
-
-#ifdef MC_FLOW_SIMPLE_JUDGE
- if (iIntMVx < -iExpandWidth ||
- iIntMVy < -iExpandHeight ||
- iIntMVx + iBlkWidth > pMCRefMem->iPicWidth - 1 + iExpandWidth ||
- iIntMVy + iBlkHeight > pMCRefMem->iPicHeight - 1 + iExpandHeight)
-#else
- if (iIntMVx < -iExpandWidth ||
- iIntMVy < -iExpandHeight ||
- iIntMVx + PADDING_LENGTH > pMCRefMem->iPicWidth + iExpandWidth ||
- iIntMVy + PADDING_LENGTH > pMCRefMem->iPicHeight + iExpandHeight)
-#endif
- {- FillBufForMc (uiExpandBuf, 21, pSrcY, pMCRefMem->iSrcLineLuma, iMVOffsetLuma - iPadOffset,
- iBlkWidth + 5, iBlkHeight + 5, iIntMVx - 2, iIntMVy - 2, pMCRefMem->iPicWidth, pMCRefMem->iPicHeight);
- pMCFunc->pMcLumaFunc (uiExpandBuf + 44, 21, pDstY, pMCRefMem->iDstLineLuma, iFullMVx, iFullMVy, iBlkWidth,
- iBlkHeight); //44=2+2*21
- bExpand = true;
- } else {- pSrcY += iMVOffsetLuma;
- pMCFunc->pMcLumaFunc (pSrcY, pMCRefMem->iSrcLineLuma, pDstY, pMCRefMem->iDstLineLuma, iFullMVx, iFullMVy, iBlkWidth,
- iBlkHeight);
- }
-
- if (bExpand) {- FillBufForMc (uiExpandBuf, 21, pSrcU, pMCRefMem->iSrcLineChroma, iMVOffsetChroma, iBlkWidthChroma + 1,
- iBlkHeightChroma + 1, iFullMVx >> 3, iFullMVy >> 3, iPicWidthChroma, iPicHeightChroma);
- pMCFunc->pMcChromaFunc (uiExpandBuf, 21, pDstU, pMCRefMem->iDstLineChroma, iFullMVx, iFullMVy, iBlkWidthChroma,
- iBlkHeightChroma);
-
- FillBufForMc (uiExpandBuf, 21, pSrcV, pMCRefMem->iSrcLineChroma, iMVOffsetChroma, iBlkWidthChroma + 1,
- iBlkHeightChroma + 1, iFullMVx >> 3, iFullMVy >> 3, iPicWidthChroma, iPicHeightChroma);
- pMCFunc->pMcChromaFunc (uiExpandBuf, 21, pDstV, pMCRefMem->iDstLineChroma, iFullMVx, iFullMVy, iBlkWidthChroma,
- iBlkHeightChroma);
- } else {- pSrcU += iMVOffsetChroma;
- pSrcV += iMVOffsetChroma;
- pMCFunc->pMcChromaFunc (pSrcU, pMCRefMem->iSrcLineChroma, pDstU, pMCRefMem->iDstLineChroma, iFullMVx, iFullMVy,
- iBlkWidthChroma, iBlkHeightChroma);
- pMCFunc->pMcChromaFunc (pSrcV, pMCRefMem->iSrcLineChroma, pDstV, pMCRefMem->iDstLineChroma, iFullMVx, iFullMVy,
- iBlkWidthChroma, iBlkHeightChroma);
- }
}
void GetInterPred (uint8_t* pPredY, uint8_t* pPredCb, uint8_t* pPredCr, PWelsDecoderContext pCtx) {@@ -462,90 +406,6 @@
}
return ERR_NONE;
-}
-
-void FillBufForMc (uint8_t* pBuf, int32_t iBufStride, uint8_t* pSrc, int32_t iSrcStride, int32_t iSrcOffset,
- int32_t iBlockWidth, int32_t iBlockHeight, int32_t iSrcX, int32_t iSrcY, int32_t iPicWidth, int32_t iPicHeight) {- int32_t iY;
- int32_t iStartY, iStartX, iEndY, iEndX;
- int32_t iOffsetAdj = 0;
- int32_t iAddrSrc, iAddrBuf;
- int32_t iNum, iNum1;
- uint8_t* pBufSrc, *pBufDst;
- uint8_t* pBufSrc1, *pBufDst1;
-
- if (iSrcY >= iPicHeight) {- iOffsetAdj += (iPicHeight - 1 - iSrcY) * iSrcStride;
- iSrcY = iPicHeight - 1;
- } else if (iSrcY <= -iBlockHeight) {- iOffsetAdj += (1 - iBlockHeight - iSrcY) * iSrcStride;
- iSrcY = 1 - iBlockHeight;
- }
- if (iSrcX >= iPicWidth) {- iOffsetAdj += (iPicWidth - 1 - iSrcX);
- iSrcX = iPicWidth - 1;
- } else if (iSrcX <= -iBlockWidth) {- iOffsetAdj += (1 - iBlockWidth - iSrcX);
- iSrcX = 1 - iBlockWidth;
- }
-
- iOffsetAdj += iSrcOffset;
-
-#define MAX(a,b) ((a) > (b) ? (a) : (b))
-#define MIN(a,b) ((a) > (b) ? (b) : (a))
-
- iStartY = MAX (0, -iSrcY);
- iStartX = MAX (0, -iSrcX);
- iEndY = MIN (iBlockHeight, iPicHeight - iSrcY);
- iEndX = MIN (iBlockWidth, iPicWidth - iSrcX);
-
- // copy existing part
- iAddrSrc = iStartX + iStartY * iSrcStride;
- iAddrBuf = iStartX + iStartY * iBufStride;
- iNum = iEndX - iStartX;
- for (iY = iStartY; iY < iEndY; iY++) {- memcpy (pBuf + iAddrBuf, pSrc + iOffsetAdj + iAddrSrc, iNum);
- iAddrSrc += iSrcStride;
- iAddrBuf += iBufStride;
- }
-
- //top
- pBufSrc = pBuf + iStartX + iStartY * iBufStride;
- pBufDst = pBuf + iStartX;
- iNum = iEndX - iStartX;
- for (iY = 0; iY < iStartY; iY++) {- memcpy (pBufDst, pBufSrc, iNum);
- pBufDst += iBufStride;
- }
-
- //bottom
- pBufSrc = pBuf + iStartX + (iEndY - 1) * iBufStride;
- pBufDst = pBuf + iStartX + iEndY * iBufStride;
- iNum = iEndX - iStartX;
- for (iY = iEndY; iY < iBlockHeight; iY++) {- memcpy (pBufDst, pBufSrc, iNum);
- pBufDst += iBufStride;
- }
-
-
- pBufSrc = pBuf + iStartX;
- pBufDst = pBuf;
- iNum = iStartX;
-
- pBufSrc1 = pBuf + iEndX - 1;
- pBufDst1 = pBuf + iEndX;
- iNum1 = iBlockWidth - iEndX;
- for (iY = 0; iY < iBlockHeight; iY++) {- //left
- memset (pBufDst, pBufSrc[0], iNum);
- pBufDst += iBufStride;
- pBufSrc += iBufStride;
-
- //right
- memset (pBufDst1, pBufSrc1[0], iNum1);
- pBufDst1 += iBufStride;
- pBufSrc1 += iBufStride;
- }
}
} // namespace WelsDec