ref: 6e815e708d23483467aec6be06f9d9a5f25b62a6
dir: /codec/common/src/deblocking_common.cpp/
#include "deblocking_common.h" #include "macros.h" // C code only void DeblockLumaLt4_c (uint8_t* pPix, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta, int8_t* pTc) { for (int32_t i = 0; i < 16; i++) { int32_t iTc0 = pTc[i >> 2]; if (iTc0 >= 0) { int32_t p0 = pPix[-iStrideX]; int32_t p1 = pPix[-2 * iStrideX]; int32_t p2 = pPix[-3 * iStrideX]; int32_t q0 = pPix[0]; int32_t q1 = pPix[iStrideX]; int32_t q2 = pPix[2 * iStrideX]; bool bDetaP0Q0 = WELS_ABS (p0 - q0) < iAlpha; bool bDetaP1P0 = WELS_ABS (p1 - p0) < iBeta; bool bDetaQ1Q0 = WELS_ABS (q1 - q0) < iBeta; int32_t iTc = iTc0; if (bDetaP0Q0 && bDetaP1P0 && bDetaQ1Q0) { bool bDetaP2P0 = WELS_ABS (p2 - p0) < iBeta; bool bDetaQ2Q0 = WELS_ABS (q2 - q0) < iBeta; if (bDetaP2P0) { pPix[-2 * iStrideX] = p1 + WELS_CLIP3 ((p2 + ((p0 + q0 + 1) >> 1) - (p1 << 1)) >> 1, -iTc0, iTc0); iTc++; } if (bDetaQ2Q0) { pPix[iStrideX] = q1 + WELS_CLIP3 ((q2 + ((p0 + q0 + 1) >> 1) - (q1 << 1)) >> 1, -iTc0, iTc0); iTc++; } int32_t iDeta = WELS_CLIP3 ((((q0 - p0) << 2) + (p1 - q1) + 4) >> 3, -iTc, iTc); pPix[-iStrideX] = WelsClip1 (p0 + iDeta); /* p0' */ pPix[0] = WelsClip1 (q0 - iDeta); /* q0' */ } } pPix += iStrideY; } } void DeblockLumaEq4_c (uint8_t* pPix, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta) { int32_t p0, p1, p2, q0, q1, q2; int32_t iDetaP0Q0; bool bDetaP1P0, bDetaQ1Q0; for (int32_t i = 0; i < 16; i++) { p0 = pPix[-iStrideX]; p1 = pPix[-2 * iStrideX]; p2 = pPix[-3 * iStrideX]; q0 = pPix[0]; q1 = pPix[iStrideX]; q2 = pPix[2 * iStrideX]; iDetaP0Q0 = WELS_ABS (p0 - q0); bDetaP1P0 = WELS_ABS (p1 - p0) < iBeta; bDetaQ1Q0 = WELS_ABS (q1 - q0) < iBeta; if ((iDetaP0Q0 < iAlpha) && bDetaP1P0 && bDetaQ1Q0) { if (iDetaP0Q0 < ((iAlpha >> 2) + 2)) { bool bDetaP2P0 = WELS_ABS (p2 - p0) < iBeta; bool bDetaQ2Q0 = WELS_ABS (q2 - q0) < iBeta; if (bDetaP2P0) { const int32_t p3 = pPix[-4 * iStrideX]; pPix[-iStrideX] = (p2 + (p1 << 1) + (p0 << 1) + (q0 << 1) + q1 + 4) >> 3; //p0 pPix[-2 * iStrideX] = (p2 + p1 + p0 + q0 + 2) >> 2; //p1 pPix[-3 * iStrideX] = ((p3 << 1) + p2 + (p2 << 1) + p1 + p0 + q0 + 4) >> 3;//p2 } else { pPix[-1 * iStrideX] = ((p1 << 1) + p0 + q1 + 2) >> 2; //p0 } if (bDetaQ2Q0) { const int32_t q3 = pPix[3 * iStrideX]; pPix[0] = (p1 + (p0 << 1) + (q0 << 1) + (q1 << 1) + q2 + 4) >> 3; //q0 pPix[iStrideX] = (p0 + q0 + q1 + q2 + 2) >> 2; //q1 pPix[2 * iStrideX] = ((q3 << 1) + q2 + (q2 << 1) + q1 + q0 + p0 + 4) >> 3;//q2 } else { pPix[0] = ((q1 << 1) + q0 + p1 + 2) >> 2; //q0 } } else { pPix[-iStrideX] = ((p1 << 1) + p0 + q1 + 2) >> 2; //p0 pPix[ 0] = ((q1 << 1) + q0 + p1 + 2) >> 2; //q0 } } pPix += iStrideY; } } void DeblockLumaLt4V_c (uint8_t* pPix, int32_t iStride, int32_t iAlpha, int32_t iBeta, int8_t* tc) { DeblockLumaLt4_c (pPix, iStride, 1, iAlpha, iBeta, tc); } void DeblockLumaLt4H_c (uint8_t* pPix, int32_t iStride, int32_t iAlpha, int32_t iBeta, int8_t* tc) { DeblockLumaLt4_c (pPix, 1, iStride, iAlpha, iBeta, tc); } void DeblockLumaEq4V_c (uint8_t* pPix, int32_t iStride, int32_t iAlpha, int32_t iBeta) { DeblockLumaEq4_c (pPix, iStride, 1, iAlpha, iBeta); } void DeblockLumaEq4H_c (uint8_t* pPix, int32_t iStride, int32_t iAlpha, int32_t iBeta) { DeblockLumaEq4_c (pPix, 1, iStride, iAlpha, iBeta); } void DeblockChromaLt4_c (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta, int8_t* pTc) { int32_t p0, p1, q0, q1, iDeta; bool bDetaP0Q0, bDetaP1P0, bDetaQ1Q0; for (int32_t i = 0; i < 8; i++) { int32_t iTc0 = pTc[i >> 1]; if (iTc0 > 0) { p0 = pPixCb[-iStrideX]; p1 = pPixCb[-2 * iStrideX]; q0 = pPixCb[0]; q1 = pPixCb[iStrideX]; bDetaP0Q0 = WELS_ABS (p0 - q0) < iAlpha; bDetaP1P0 = WELS_ABS (p1 - p0) < iBeta; bDetaQ1Q0 = WELS_ABS (q1 - q0) < iBeta; if (bDetaP0Q0 && bDetaP1P0 && bDetaQ1Q0) { iDeta = WELS_CLIP3 ((((q0 - p0) << 2) + (p1 - q1) + 4) >> 3, -iTc0, iTc0); pPixCb[-iStrideX] = WelsClip1 (p0 + iDeta); /* p0' */ pPixCb[0] = WelsClip1 (q0 - iDeta); /* q0' */ } p0 = pPixCr[-iStrideX]; p1 = pPixCr[-2 * iStrideX]; q0 = pPixCr[0]; q1 = pPixCr[iStrideX]; bDetaP0Q0 = WELS_ABS (p0 - q0) < iAlpha; bDetaP1P0 = WELS_ABS (p1 - p0) < iBeta; bDetaQ1Q0 = WELS_ABS (q1 - q0) < iBeta; if (bDetaP0Q0 && bDetaP1P0 && bDetaQ1Q0) { iDeta = WELS_CLIP3 ((((q0 - p0) << 2) + (p1 - q1) + 4) >> 3, -iTc0, iTc0); pPixCr[-iStrideX] = WelsClip1 (p0 + iDeta); /* p0' */ pPixCr[0] = WelsClip1 (q0 - iDeta); /* q0' */ } } pPixCb += iStrideY; pPixCr += iStrideY; } } void DeblockChromaEq4_c (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta) { int32_t p0, p1, q0, q1; bool bDetaP0Q0, bDetaP1P0, bDetaQ1Q0; for (int32_t i = 0; i < 8; i++) { //cb p0 = pPixCb[-iStrideX]; p1 = pPixCb[-2 * iStrideX]; q0 = pPixCb[0]; q1 = pPixCb[iStrideX]; bDetaP0Q0 = WELS_ABS (p0 - q0) < iAlpha; bDetaP1P0 = WELS_ABS (p1 - p0) < iBeta; bDetaQ1Q0 = WELS_ABS (q1 - q0) < iBeta; if (bDetaP0Q0 && bDetaP1P0 && bDetaQ1Q0) { pPixCb[-iStrideX] = ((p1 << 1) + p0 + q1 + 2) >> 2; /* p0' */ pPixCb[0] = ((q1 << 1) + q0 + p1 + 2) >> 2; /* q0' */ } //cr p0 = pPixCr[-iStrideX]; p1 = pPixCr[-2 * iStrideX]; q0 = pPixCr[0]; q1 = pPixCr[iStrideX]; bDetaP0Q0 = WELS_ABS (p0 - q0) < iAlpha; bDetaP1P0 = WELS_ABS (p1 - p0) < iBeta; bDetaQ1Q0 = WELS_ABS (q1 - q0) < iBeta; if (bDetaP0Q0 && bDetaP1P0 && bDetaQ1Q0) { pPixCr[-iStrideX] = ((p1 << 1) + p0 + q1 + 2) >> 2; /* p0' */ pPixCr[0] = ((q1 << 1) + q0 + p1 + 2) >> 2; /* q0' */ } pPixCr += iStrideY; pPixCb += iStrideY; } } void DeblockChromaLt4V_c (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStride, int32_t iAlpha, int32_t iBeta, int8_t* tc) { DeblockChromaLt4_c (pPixCb, pPixCr, iStride, 1, iAlpha, iBeta, tc); } void DeblockChromaLt4H_c (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStride, int32_t iAlpha, int32_t iBeta, int8_t* tc) { DeblockChromaLt4_c (pPixCb, pPixCr, 1, iStride, iAlpha, iBeta, tc); } void DeblockChromaEq4V_c (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStride, int32_t iAlpha, int32_t iBeta) { DeblockChromaEq4_c (pPixCb, pPixCr, iStride, 1, iAlpha, iBeta); } void DeblockChromaEq4H_c (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStride, int32_t iAlpha, int32_t iBeta) { DeblockChromaEq4_c (pPixCb, pPixCr, 1, iStride, iAlpha, iBeta); } #ifdef X86_ASM extern "C" { void DeblockLumaLt4H_ssse3 (uint8_t* pPixY, int32_t iStride, int32_t iAlpha, int32_t iBeta, int8_t* pTc) { ENFORCE_STACK_ALIGN_1D (uint8_t, uiBuf, 16 * 8, 16); DeblockLumaTransposeH2V_sse2 (pPixY - 4, iStride, &uiBuf[0]); DeblockLumaLt4V_ssse3 (&uiBuf[4 * 16], 16, iAlpha, iBeta, pTc); DeblockLumaTransposeV2H_sse2 (pPixY - 4, iStride, &uiBuf[0]); } void DeblockLumaEq4H_ssse3 (uint8_t* pPixY, int32_t iStride, int32_t iAlpha, int32_t iBeta) { ENFORCE_STACK_ALIGN_1D (uint8_t, uiBuf, 16 * 8, 16); DeblockLumaTransposeH2V_sse2 (pPixY - 4, iStride, &uiBuf[0]); DeblockLumaEq4V_ssse3 (&uiBuf[4 * 16], 16, iAlpha, iBeta); DeblockLumaTransposeV2H_sse2 (pPixY - 4, iStride, &uiBuf[0]); } } #endif