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-rw-r--r--media/libstagefright/codecs/avc/dec/src/pred_inter.cpp2329
1 files changed, 2329 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/avc/dec/src/pred_inter.cpp b/media/libstagefright/codecs/avc/dec/src/pred_inter.cpp
new file mode 100644
index 0000000..ba36c37
--- /dev/null
+++ b/media/libstagefright/codecs/avc/dec/src/pred_inter.cpp
@@ -0,0 +1,2329 @@
+/* ------------------------------------------------------------------
+ * Copyright (C) 1998-2009 PacketVideo
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ * -------------------------------------------------------------------
+ */
+#include "avcdec_lib.h"
+
+
+#define CLIP_RESULT(x) if((uint)x > 0xFF){ \
+ x = 0xFF & (~(x>>31));}
+
+/* (blkwidth << 2) + (dy << 1) + dx */
+static void (*const ChromaMC_SIMD[8])(uint8 *, int , int , int , uint8 *, int, int , int) =
+{
+ &ChromaFullMC_SIMD,
+ &ChromaHorizontalMC_SIMD,
+ &ChromaVerticalMC_SIMD,
+ &ChromaDiagonalMC_SIMD,
+ &ChromaFullMC_SIMD,
+ &ChromaHorizontalMC2_SIMD,
+ &ChromaVerticalMC2_SIMD,
+ &ChromaDiagonalMC2_SIMD
+};
+/* Perform motion prediction and compensation with residue if exist. */
+void InterMBPrediction(AVCCommonObj *video)
+{
+ AVCMacroblock *currMB = video->currMB;
+ AVCPictureData *currPic = video->currPic;
+ int mbPartIdx, subMbPartIdx;
+ int ref_idx;
+ int offset_MbPart_indx = 0;
+ int16 *mv;
+ uint32 x_pos, y_pos;
+ uint8 *curL, *curCb, *curCr;
+ uint8 *ref_l, *ref_Cb, *ref_Cr;
+ uint8 *predBlock, *predCb, *predCr;
+ int block_x, block_y, offset_x, offset_y, offsetP, offset;
+ int x_position = (video->mb_x << 4);
+ int y_position = (video->mb_y << 4);
+ int MbHeight, MbWidth, mbPartIdx_X, mbPartIdx_Y, offset_indx;
+ int picWidth = currPic->pitch;
+ int picHeight = currPic->height;
+ int16 *dataBlock;
+ uint32 cbp4x4;
+ uint32 tmp_word;
+
+ tmp_word = y_position * picWidth;
+ curL = currPic->Sl + tmp_word + x_position;
+ offset = (tmp_word >> 2) + (x_position >> 1);
+ curCb = currPic->Scb + offset;
+ curCr = currPic->Scr + offset;
+
+#ifdef USE_PRED_BLOCK
+ predBlock = video->pred + 84;
+ predCb = video->pred + 452;
+ predCr = video->pred + 596;
+#else
+ predBlock = curL;
+ predCb = curCb;
+ predCr = curCr;
+#endif
+
+ GetMotionVectorPredictor(video, false);
+
+ for (mbPartIdx = 0; mbPartIdx < currMB->NumMbPart; mbPartIdx++)
+ {
+ MbHeight = currMB->SubMbPartHeight[mbPartIdx];
+ MbWidth = currMB->SubMbPartWidth[mbPartIdx];
+ mbPartIdx_X = ((mbPartIdx + offset_MbPart_indx) & 1);
+ mbPartIdx_Y = (mbPartIdx + offset_MbPart_indx) >> 1;
+ ref_idx = currMB->ref_idx_L0[(mbPartIdx_Y << 1) + mbPartIdx_X];
+ offset_indx = 0;
+
+ ref_l = video->RefPicList0[ref_idx]->Sl;
+ ref_Cb = video->RefPicList0[ref_idx]->Scb;
+ ref_Cr = video->RefPicList0[ref_idx]->Scr;
+
+ for (subMbPartIdx = 0; subMbPartIdx < currMB->NumSubMbPart[mbPartIdx]; subMbPartIdx++)
+ {
+ block_x = (mbPartIdx_X << 1) + ((subMbPartIdx + offset_indx) & 1); // check this
+ block_y = (mbPartIdx_Y << 1) + (((subMbPartIdx + offset_indx) >> 1) & 1);
+ mv = (int16*)(currMB->mvL0 + block_x + (block_y << 2));
+ offset_x = x_position + (block_x << 2);
+ offset_y = y_position + (block_y << 2);
+ x_pos = (offset_x << 2) + *mv++; /*quarter pel */
+ y_pos = (offset_y << 2) + *mv; /*quarter pel */
+
+ //offset = offset_y * currPic->width;
+ //offsetC = (offset >> 2) + (offset_x >> 1);
+#ifdef USE_PRED_BLOCK
+ offsetP = (block_y * 80) + (block_x << 2);
+ LumaMotionComp(ref_l, picWidth, picHeight, x_pos, y_pos,
+ /*comp_Sl + offset + offset_x,*/
+ predBlock + offsetP, 20, MbWidth, MbHeight);
+#else
+ offsetP = (block_y << 2) * picWidth + (block_x << 2);
+ LumaMotionComp(ref_l, picWidth, picHeight, x_pos, y_pos,
+ /*comp_Sl + offset + offset_x,*/
+ predBlock + offsetP, picWidth, MbWidth, MbHeight);
+#endif
+
+#ifdef USE_PRED_BLOCK
+ offsetP = (block_y * 24) + (block_x << 1);
+ ChromaMotionComp(ref_Cb, picWidth >> 1, picHeight >> 1, x_pos, y_pos,
+ /*comp_Scb + offsetC,*/
+ predCb + offsetP, 12, MbWidth >> 1, MbHeight >> 1);
+ ChromaMotionComp(ref_Cr, picWidth >> 1, picHeight >> 1, x_pos, y_pos,
+ /*comp_Scr + offsetC,*/
+ predCr + offsetP, 12, MbWidth >> 1, MbHeight >> 1);
+#else
+ offsetP = (block_y * picWidth) + (block_x << 1);
+ ChromaMotionComp(ref_Cb, picWidth >> 1, picHeight >> 1, x_pos, y_pos,
+ /*comp_Scb + offsetC,*/
+ predCb + offsetP, picWidth >> 1, MbWidth >> 1, MbHeight >> 1);
+ ChromaMotionComp(ref_Cr, picWidth >> 1, picHeight >> 1, x_pos, y_pos,
+ /*comp_Scr + offsetC,*/
+ predCr + offsetP, picWidth >> 1, MbWidth >> 1, MbHeight >> 1);
+#endif
+
+ offset_indx = currMB->SubMbPartWidth[mbPartIdx] >> 3;
+ }
+ offset_MbPart_indx = currMB->MbPartWidth >> 4;
+ }
+
+ /* used in decoder, used to be if(!encFlag) */
+
+ /* transform in raster scan order */
+ dataBlock = video->block;
+ cbp4x4 = video->cbp4x4;
+ /* luma */
+ for (block_y = 4; block_y > 0; block_y--)
+ {
+ for (block_x = 4; block_x > 0; block_x--)
+ {
+#ifdef USE_PRED_BLOCK
+ if (cbp4x4&1)
+ {
+ itrans(dataBlock, predBlock, predBlock, 20);
+ }
+#else
+ if (cbp4x4&1)
+ {
+ itrans(dataBlock, curL, curL, picWidth);
+ }
+#endif
+ cbp4x4 >>= 1;
+ dataBlock += 4;
+#ifdef USE_PRED_BLOCK
+ predBlock += 4;
+#else
+ curL += 4;
+#endif
+ }
+ dataBlock += 48;
+#ifdef USE_PRED_BLOCK
+ predBlock += 64;
+#else
+ curL += ((picWidth << 2) - 16);
+#endif
+ }
+
+ /* chroma */
+ picWidth = (picWidth >> 1);
+ for (block_y = 2; block_y > 0; block_y--)
+ {
+ for (block_x = 2; block_x > 0; block_x--)
+ {
+#ifdef USE_PRED_BLOCK
+ if (cbp4x4&1)
+ {
+ ictrans(dataBlock, predCb, predCb, 12);
+ }
+#else
+ if (cbp4x4&1)
+ {
+ ictrans(dataBlock, curCb, curCb, picWidth);
+ }
+#endif
+ cbp4x4 >>= 1;
+ dataBlock += 4;
+#ifdef USE_PRED_BLOCK
+ predCb += 4;
+#else
+ curCb += 4;
+#endif
+ }
+ for (block_x = 2; block_x > 0; block_x--)
+ {
+#ifdef USE_PRED_BLOCK
+ if (cbp4x4&1)
+ {
+ ictrans(dataBlock, predCr, predCr, 12);
+ }
+#else
+ if (cbp4x4&1)
+ {
+ ictrans(dataBlock, curCr, curCr, picWidth);
+ }
+#endif
+ cbp4x4 >>= 1;
+ dataBlock += 4;
+#ifdef USE_PRED_BLOCK
+ predCr += 4;
+#else
+ curCr += 4;
+#endif
+ }
+ dataBlock += 48;
+#ifdef USE_PRED_BLOCK
+ predCb += 40;
+ predCr += 40;
+#else
+ curCb += ((picWidth << 2) - 8);
+ curCr += ((picWidth << 2) - 8);
+#endif
+ }
+
+#ifdef MB_BASED_DEBLOCK
+ SaveNeighborForIntraPred(video, offset);
+#endif
+
+ return ;
+}
+
+
+/* preform the actual motion comp here */
+void LumaMotionComp(uint8 *ref, int picwidth, int picheight,
+ int x_pos, int y_pos,
+ uint8 *pred, int pred_pitch,
+ int blkwidth, int blkheight)
+{
+ int dx, dy;
+ uint8 temp[24][24]; /* for padding, make the size multiple of 4 for packing */
+ int temp2[21][21]; /* for intermediate results */
+ uint8 *ref2;
+
+ dx = x_pos & 3;
+ dy = y_pos & 3;
+ x_pos = x_pos >> 2; /* round it to full-pel resolution */
+ y_pos = y_pos >> 2;
+
+ /* perform actual motion compensation */
+ if (dx == 0 && dy == 0)
+ { /* fullpel position *//* G */
+ if (x_pos >= 0 && x_pos + blkwidth <= picwidth && y_pos >= 0 && y_pos + blkheight <= picheight)
+ {
+ ref += y_pos * picwidth + x_pos;
+ FullPelMC(ref, picwidth, pred, pred_pitch, blkwidth, blkheight);
+ }
+ else
+ {
+ CreatePad(ref, picwidth, picheight, x_pos, y_pos, &temp[0][0], blkwidth, blkheight);
+ FullPelMC(&temp[0][0], 24, pred, pred_pitch, blkwidth, blkheight);
+ }
+
+ } /* other positions */
+ else if (dy == 0)
+ { /* no vertical interpolation *//* a,b,c*/
+
+ if (x_pos - 2 >= 0 && x_pos + 3 + blkwidth <= picwidth && y_pos >= 0 && y_pos + blkheight <= picheight)
+ {
+ ref += y_pos * picwidth + x_pos;
+
+ HorzInterp1MC(ref, picwidth, pred, pred_pitch, blkwidth, blkheight, dx);
+ }
+ else /* need padding */
+ {
+ CreatePad(ref, picwidth, picheight, x_pos - 2, y_pos, &temp[0][0], blkwidth + 5, blkheight);
+
+ HorzInterp1MC(&temp[0][2], 24, pred, pred_pitch, blkwidth, blkheight, dx);
+ }
+ }
+ else if (dx == 0)
+ { /*no horizontal interpolation *//* d,h,n */
+
+ if (x_pos >= 0 && x_pos + blkwidth <= picwidth && y_pos - 2 >= 0 && y_pos + 3 + blkheight <= picheight)
+ {
+ ref += y_pos * picwidth + x_pos;
+
+ VertInterp1MC(ref, picwidth, pred, pred_pitch, blkwidth, blkheight, dy);
+ }
+ else /* need padding */
+ {
+ CreatePad(ref, picwidth, picheight, x_pos, y_pos - 2, &temp[0][0], blkwidth, blkheight + 5);
+
+ VertInterp1MC(&temp[2][0], 24, pred, pred_pitch, blkwidth, blkheight, dy);
+ }
+ }
+ else if (dy == 2)
+ { /* horizontal cross *//* i, j, k */
+
+ if (x_pos - 2 >= 0 && x_pos + 3 + blkwidth <= picwidth && y_pos - 2 >= 0 && y_pos + 3 + blkheight <= picheight)
+ {
+ ref += y_pos * picwidth + x_pos - 2; /* move to the left 2 pixels */
+
+ VertInterp2MC(ref, picwidth, &temp2[0][0], 21, blkwidth + 5, blkheight);
+
+ HorzInterp2MC(&temp2[0][2], 21, pred, pred_pitch, blkwidth, blkheight, dx);
+ }
+ else /* need padding */
+ {
+ CreatePad(ref, picwidth, picheight, x_pos - 2, y_pos - 2, &temp[0][0], blkwidth + 5, blkheight + 5);
+
+ VertInterp2MC(&temp[2][0], 24, &temp2[0][0], 21, blkwidth + 5, blkheight);
+
+ HorzInterp2MC(&temp2[0][2], 21, pred, pred_pitch, blkwidth, blkheight, dx);
+ }
+ }
+ else if (dx == 2)
+ { /* vertical cross */ /* f,q */
+
+ if (x_pos - 2 >= 0 && x_pos + 3 + blkwidth <= picwidth && y_pos - 2 >= 0 && y_pos + 3 + blkheight <= picheight)
+ {
+ ref += (y_pos - 2) * picwidth + x_pos; /* move to up 2 lines */
+
+ HorzInterp3MC(ref, picwidth, &temp2[0][0], 21, blkwidth, blkheight + 5);
+ VertInterp3MC(&temp2[2][0], 21, pred, pred_pitch, blkwidth, blkheight, dy);
+ }
+ else /* need padding */
+ {
+ CreatePad(ref, picwidth, picheight, x_pos - 2, y_pos - 2, &temp[0][0], blkwidth + 5, blkheight + 5);
+ HorzInterp3MC(&temp[0][2], 24, &temp2[0][0], 21, blkwidth, blkheight + 5);
+ VertInterp3MC(&temp2[2][0], 21, pred, pred_pitch, blkwidth, blkheight, dy);
+ }
+ }
+ else
+ { /* diagonal *//* e,g,p,r */
+
+ if (x_pos - 2 >= 0 && x_pos + 3 + (dx / 2) + blkwidth <= picwidth &&
+ y_pos - 2 >= 0 && y_pos + 3 + blkheight + (dy / 2) <= picheight)
+ {
+ ref2 = ref + (y_pos + (dy / 2)) * picwidth + x_pos;
+
+ ref += (y_pos * picwidth) + x_pos + (dx / 2);
+
+ DiagonalInterpMC(ref2, ref, picwidth, pred, pred_pitch, blkwidth, blkheight);
+ }
+ else /* need padding */
+ {
+ CreatePad(ref, picwidth, picheight, x_pos - 2, y_pos - 2, &temp[0][0], blkwidth + 5 + (dx / 2), blkheight + 5 + (dy / 2));
+
+ ref2 = &temp[2 + (dy/2)][2];
+
+ ref = &temp[2][2 + (dx/2)];
+
+ DiagonalInterpMC(ref2, ref, 24, pred, pred_pitch, blkwidth, blkheight);
+ }
+ }
+
+ return ;
+}
+
+void CreateAlign(uint8 *ref, int picwidth, int y_pos,
+ uint8 *out, int blkwidth, int blkheight)
+{
+ int i, j;
+ int offset, out_offset;
+ uint32 prev_pix, result, pix1, pix2, pix4;
+
+ out_offset = 24 - blkwidth;
+
+ //switch(x_pos&0x3){
+ switch (((uint32)ref)&0x3)
+ {
+ case 1:
+ ref += y_pos * picwidth;
+ offset = picwidth - blkwidth - 3;
+ for (j = 0; j < blkheight; j++)
+ {
+ pix1 = *ref++;
+ pix2 = *((uint16*)ref);
+ ref += 2;
+ result = (pix2 << 8) | pix1;
+
+ for (i = 3; i < blkwidth; i += 4)
+ {
+ pix4 = *((uint32*)ref);
+ ref += 4;
+ prev_pix = (pix4 << 24) & 0xFF000000; /* mask out byte belong to previous word */
+ result |= prev_pix;
+ *((uint32*)out) = result; /* write 4 bytes */
+ out += 4;
+ result = pix4 >> 8; /* for the next loop */
+ }
+ ref += offset;
+ out += out_offset;
+ }
+ break;
+ case 2:
+ ref += y_pos * picwidth;
+ offset = picwidth - blkwidth - 2;
+ for (j = 0; j < blkheight; j++)
+ {
+ result = *((uint16*)ref);
+ ref += 2;
+ for (i = 2; i < blkwidth; i += 4)
+ {
+ pix4 = *((uint32*)ref);
+ ref += 4;
+ prev_pix = (pix4 << 16) & 0xFFFF0000; /* mask out byte belong to previous word */
+ result |= prev_pix;
+ *((uint32*)out) = result; /* write 4 bytes */
+ out += 4;
+ result = pix4 >> 16; /* for the next loop */
+ }
+ ref += offset;
+ out += out_offset;
+ }
+ break;
+ case 3:
+ ref += y_pos * picwidth;
+ offset = picwidth - blkwidth - 1;
+ for (j = 0; j < blkheight; j++)
+ {
+ result = *ref++;
+ for (i = 1; i < blkwidth; i += 4)
+ {
+ pix4 = *((uint32*)ref);
+ ref += 4;
+ prev_pix = (pix4 << 8) & 0xFFFFFF00; /* mask out byte belong to previous word */
+ result |= prev_pix;
+ *((uint32*)out) = result; /* write 4 bytes */
+ out += 4;
+ result = pix4 >> 24; /* for the next loop */
+ }
+ ref += offset;
+ out += out_offset;
+ }
+ break;
+ }
+}
+
+void CreatePad(uint8 *ref, int picwidth, int picheight, int x_pos, int y_pos,
+ uint8 *out, int blkwidth, int blkheight)
+{
+ int x_inc0, x_mid;
+ int y_inc, y_inc0, y_inc1, y_mid;
+ int i, j;
+ int offset;
+
+ if (x_pos < 0)
+ {
+ x_inc0 = 0; /* increment for the first part */
+ x_mid = ((blkwidth + x_pos > 0) ? -x_pos : blkwidth); /* stopping point */
+ x_pos = 0;
+ }
+ else if (x_pos + blkwidth > picwidth)
+ {
+ x_inc0 = 1; /* increasing */
+ x_mid = ((picwidth > x_pos) ? picwidth - x_pos - 1 : 0); /* clip negative to zero, encode fool proof! */
+ }
+ else /* normal case */
+ {
+ x_inc0 = 1;
+ x_mid = blkwidth; /* just one run */
+ }
+
+
+ /* boundary for y_pos, taking the result from x_pos into account */
+ if (y_pos < 0)
+ {
+ y_inc0 = (x_inc0 ? - x_mid : -blkwidth + x_mid); /* offset depending on x_inc1 and x_inc0 */
+ y_inc1 = picwidth + y_inc0;
+ y_mid = ((blkheight + y_pos > 0) ? -y_pos : blkheight); /* clip to prevent memory corruption */
+ y_pos = 0;
+ }
+ else if (y_pos + blkheight > picheight)
+ {
+ y_inc1 = (x_inc0 ? - x_mid : -blkwidth + x_mid); /* saturate */
+ y_inc0 = picwidth + y_inc1; /* increasing */
+ y_mid = ((picheight > y_pos) ? picheight - 1 - y_pos : 0);
+ }
+ else /* normal case */
+ {
+ y_inc1 = (x_inc0 ? - x_mid : -blkwidth + x_mid);
+ y_inc0 = picwidth + y_inc1;
+ y_mid = blkheight;
+ }
+
+ /* clip y_pos and x_pos */
+ if (y_pos > picheight - 1) y_pos = picheight - 1;
+ if (x_pos > picwidth - 1) x_pos = picwidth - 1;
+
+ ref += y_pos * picwidth + x_pos;
+
+ y_inc = y_inc0; /* start with top half */
+
+ offset = 24 - blkwidth; /* to use in offset out */
+ blkwidth -= x_mid; /* to use in the loop limit */
+
+ if (x_inc0 == 0)
+ {
+ for (j = 0; j < blkheight; j++)
+ {
+ if (j == y_mid) /* put a check here to reduce the code size (for unrolling the loop) */
+ {
+ y_inc = y_inc1; /* switch to lower half */
+ }
+ for (i = x_mid; i > 0; i--) /* first or third quarter */
+ {
+ *out++ = *ref;
+ }
+ for (i = blkwidth; i > 0; i--) /* second or fourth quarter */
+ {
+ *out++ = *ref++;
+ }
+ out += offset;
+ ref += y_inc;
+ }
+ }
+ else
+ {
+ for (j = 0; j < blkheight; j++)
+ {
+ if (j == y_mid) /* put a check here to reduce the code size (for unrolling the loop) */
+ {
+ y_inc = y_inc1; /* switch to lower half */
+ }
+ for (i = x_mid; i > 0; i--) /* first or third quarter */
+ {
+ *out++ = *ref++;
+ }
+ for (i = blkwidth; i > 0; i--) /* second or fourth quarter */
+ {
+ *out++ = *ref;
+ }
+ out += offset;
+ ref += y_inc;
+ }
+ }
+
+ return ;
+}
+
+void HorzInterp1MC(uint8 *in, int inpitch, uint8 *out, int outpitch,
+ int blkwidth, int blkheight, int dx)
+{
+ uint8 *p_ref;
+ uint32 *p_cur;
+ uint32 tmp, pkres;
+ int result, curr_offset, ref_offset;
+ int j;
+ int32 r0, r1, r2, r3, r4, r5;
+ int32 r13, r6;
+
+ p_cur = (uint32*)out; /* assume it's word aligned */
+ curr_offset = (outpitch - blkwidth) >> 2;
+ p_ref = in;
+ ref_offset = inpitch - blkwidth;
+
+ if (dx&1)
+ {
+ dx = ((dx >> 1) ? -3 : -4); /* use in 3/4 pel */
+ p_ref -= 2;
+ r13 = 0;
+ for (j = blkheight; j > 0; j--)
+ {
+ tmp = (uint32)(p_ref + blkwidth);
+ r0 = p_ref[0];
+ r1 = p_ref[2];
+ r0 |= (r1 << 16); /* 0,c,0,a */
+ r1 = p_ref[1];
+ r2 = p_ref[3];
+ r1 |= (r2 << 16); /* 0,d,0,b */
+ while ((uint32)p_ref < tmp)
+ {
+ r2 = *(p_ref += 4); /* move pointer to e */
+ r3 = p_ref[2];
+ r2 |= (r3 << 16); /* 0,g,0,e */
+ r3 = p_ref[1];
+ r4 = p_ref[3];
+ r3 |= (r4 << 16); /* 0,h,0,f */
+
+ r4 = r0 + r3; /* c+h, a+f */
+ r5 = r0 + r1; /* c+d, a+b */
+ r6 = r2 + r3; /* g+h, e+f */
+ r5 >>= 16;
+ r5 |= (r6 << 16); /* e+f, c+d */
+ r4 += r5 * 20; /* c+20*e+20*f+h, a+20*c+20*d+f */
+ r4 += 0x100010; /* +16, +16 */
+ r5 = r1 + r2; /* d+g, b+e */
+ r4 -= r5 * 5; /* c-5*d+20*e+20*f-5*g+h, a-5*b+20*c+20*d-5*e+f */
+ r4 >>= 5;
+ r13 |= r4; /* check clipping */
+
+ r5 = p_ref[dx+2];
+ r6 = p_ref[dx+4];
+ r5 |= (r6 << 16);
+ r4 += r5;
+ r4 += 0x10001;
+ r4 = (r4 >> 1) & 0xFF00FF;
+
+ r5 = p_ref[4]; /* i */
+ r6 = (r5 << 16);
+ r5 = r6 | (r2 >> 16);/* 0,i,0,g */
+ r5 += r1; /* d+i, b+g */ /* r5 not free */
+ r1 >>= 16;
+ r1 |= (r3 << 16); /* 0,f,0,d */ /* r1 has changed */
+ r1 += r2; /* f+g, d+e */
+ r5 += 20 * r1; /* d+20f+20g+i, b+20d+20e+g */
+ r0 >>= 16;
+ r0 |= (r2 << 16); /* 0,e,0,c */ /* r0 has changed */
+ r0 += r3; /* e+h, c+f */
+ r5 += 0x100010; /* 16,16 */
+ r5 -= r0 * 5; /* d-5e+20f+20g-5h+i, b-5c+20d+20e-5f+g */
+ r5 >>= 5;
+ r13 |= r5; /* check clipping */
+
+ r0 = p_ref[dx+3];
+ r1 = p_ref[dx+5];
+ r0 |= (r1 << 16);
+ r5 += r0;
+ r5 += 0x10001;
+ r5 = (r5 >> 1) & 0xFF00FF;
+
+ r4 |= (r5 << 8); /* pack them together */
+ *p_cur++ = r4;
+ r1 = r3;
+ r0 = r2;
+ }
+ p_cur += curr_offset; /* move to the next line */
+ p_ref += ref_offset; /* ref_offset = inpitch-blkwidth; */
+
+ if (r13&0xFF000700) /* need clipping */
+ {
+ /* move back to the beginning of the line */
+ p_ref -= (ref_offset + blkwidth); /* input */
+ p_cur -= (outpitch >> 2);
+
+ tmp = (uint32)(p_ref + blkwidth);
+ for (; (uint32)p_ref < tmp;)
+ {
+
+ r0 = *p_ref++;
+ r1 = *p_ref++;
+ r2 = *p_ref++;
+ r3 = *p_ref++;
+ r4 = *p_ref++;
+ /* first pixel */
+ r5 = *p_ref++;
+ result = (r0 + r5);
+ r0 = (r1 + r4);
+ result -= (r0 * 5);//result -= r0; result -= (r0<<2);
+ r0 = (r2 + r3);
+ result += (r0 * 20);//result += (r0<<4); result += (r0<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ /* 3/4 pel, no need to clip */
+ result = (result + p_ref[dx] + 1);
+ pkres = (result >> 1) ;
+ /* second pixel */
+ r0 = *p_ref++;
+ result = (r1 + r0);
+ r1 = (r2 + r5);
+ result -= (r1 * 5);//result -= r1; result -= (r1<<2);
+ r1 = (r3 + r4);
+ result += (r1 * 20);//result += (r1<<4); result += (r1<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ /* 3/4 pel, no need to clip */
+ result = (result + p_ref[dx] + 1);
+ result = (result >> 1);
+ pkres |= (result << 8);
+ /* third pixel */
+ r1 = *p_ref++;
+ result = (r2 + r1);
+ r2 = (r3 + r0);
+ result -= (r2 * 5);//result -= r2; result -= (r2<<2);
+ r2 = (r4 + r5);
+ result += (r2 * 20);//result += (r2<<4); result += (r2<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ /* 3/4 pel, no need to clip */
+ result = (result + p_ref[dx] + 1);
+ result = (result >> 1);
+ pkres |= (result << 16);
+ /* fourth pixel */
+ r2 = *p_ref++;
+ result = (r3 + r2);
+ r3 = (r4 + r1);
+ result -= (r3 * 5);//result -= r3; result -= (r3<<2);
+ r3 = (r5 + r0);
+ result += (r3 * 20);//result += (r3<<4); result += (r3<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ /* 3/4 pel, no need to clip */
+ result = (result + p_ref[dx] + 1);
+ result = (result >> 1);
+ pkres |= (result << 24);
+ *p_cur++ = pkres; /* write 4 pixels */
+ p_ref -= 5; /* offset back to the middle of filter */
+ }
+ p_cur += curr_offset; /* move to the next line */
+ p_ref += ref_offset; /* move to the next line */
+ }
+ }
+ }
+ else
+ {
+ p_ref -= 2;
+ r13 = 0;
+ for (j = blkheight; j > 0; j--)
+ {
+ tmp = (uint32)(p_ref + blkwidth);
+ r0 = p_ref[0];
+ r1 = p_ref[2];
+ r0 |= (r1 << 16); /* 0,c,0,a */
+ r1 = p_ref[1];
+ r2 = p_ref[3];
+ r1 |= (r2 << 16); /* 0,d,0,b */
+ while ((uint32)p_ref < tmp)
+ {
+ r2 = *(p_ref += 4); /* move pointer to e */
+ r3 = p_ref[2];
+ r2 |= (r3 << 16); /* 0,g,0,e */
+ r3 = p_ref[1];
+ r4 = p_ref[3];
+ r3 |= (r4 << 16); /* 0,h,0,f */
+
+ r4 = r0 + r3; /* c+h, a+f */
+ r5 = r0 + r1; /* c+d, a+b */
+ r6 = r2 + r3; /* g+h, e+f */
+ r5 >>= 16;
+ r5 |= (r6 << 16); /* e+f, c+d */
+ r4 += r5 * 20; /* c+20*e+20*f+h, a+20*c+20*d+f */
+ r4 += 0x100010; /* +16, +16 */
+ r5 = r1 + r2; /* d+g, b+e */
+ r4 -= r5 * 5; /* c-5*d+20*e+20*f-5*g+h, a-5*b+20*c+20*d-5*e+f */
+ r4 >>= 5;
+ r13 |= r4; /* check clipping */
+ r4 &= 0xFF00FF; /* mask */
+
+ r5 = p_ref[4]; /* i */
+ r6 = (r5 << 16);
+ r5 = r6 | (r2 >> 16);/* 0,i,0,g */
+ r5 += r1; /* d+i, b+g */ /* r5 not free */
+ r1 >>= 16;
+ r1 |= (r3 << 16); /* 0,f,0,d */ /* r1 has changed */
+ r1 += r2; /* f+g, d+e */
+ r5 += 20 * r1; /* d+20f+20g+i, b+20d+20e+g */
+ r0 >>= 16;
+ r0 |= (r2 << 16); /* 0,e,0,c */ /* r0 has changed */
+ r0 += r3; /* e+h, c+f */
+ r5 += 0x100010; /* 16,16 */
+ r5 -= r0 * 5; /* d-5e+20f+20g-5h+i, b-5c+20d+20e-5f+g */
+ r5 >>= 5;
+ r13 |= r5; /* check clipping */
+ r5 &= 0xFF00FF; /* mask */
+
+ r4 |= (r5 << 8); /* pack them together */
+ *p_cur++ = r4;
+ r1 = r3;
+ r0 = r2;
+ }
+ p_cur += curr_offset; /* move to the next line */
+ p_ref += ref_offset; /* ref_offset = inpitch-blkwidth; */
+
+ if (r13&0xFF000700) /* need clipping */
+ {
+ /* move back to the beginning of the line */
+ p_ref -= (ref_offset + blkwidth); /* input */
+ p_cur -= (outpitch >> 2);
+
+ tmp = (uint32)(p_ref + blkwidth);
+ for (; (uint32)p_ref < tmp;)
+ {
+
+ r0 = *p_ref++;
+ r1 = *p_ref++;
+ r2 = *p_ref++;
+ r3 = *p_ref++;
+ r4 = *p_ref++;
+ /* first pixel */
+ r5 = *p_ref++;
+ result = (r0 + r5);
+ r0 = (r1 + r4);
+ result -= (r0 * 5);//result -= r0; result -= (r0<<2);
+ r0 = (r2 + r3);
+ result += (r0 * 20);//result += (r0<<4); result += (r0<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ pkres = result;
+ /* second pixel */
+ r0 = *p_ref++;
+ result = (r1 + r0);
+ r1 = (r2 + r5);
+ result -= (r1 * 5);//result -= r1; result -= (r1<<2);
+ r1 = (r3 + r4);
+ result += (r1 * 20);//result += (r1<<4); result += (r1<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ pkres |= (result << 8);
+ /* third pixel */
+ r1 = *p_ref++;
+ result = (r2 + r1);
+ r2 = (r3 + r0);
+ result -= (r2 * 5);//result -= r2; result -= (r2<<2);
+ r2 = (r4 + r5);
+ result += (r2 * 20);//result += (r2<<4); result += (r2<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ pkres |= (result << 16);
+ /* fourth pixel */
+ r2 = *p_ref++;
+ result = (r3 + r2);
+ r3 = (r4 + r1);
+ result -= (r3 * 5);//result -= r3; result -= (r3<<2);
+ r3 = (r5 + r0);
+ result += (r3 * 20);//result += (r3<<4); result += (r3<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ pkres |= (result << 24);
+ *p_cur++ = pkres; /* write 4 pixels */
+ p_ref -= 5;
+ }
+ p_cur += curr_offset; /* move to the next line */
+ p_ref += ref_offset;
+ }
+ }
+ }
+
+ return ;
+}
+
+void HorzInterp2MC(int *in, int inpitch, uint8 *out, int outpitch,
+ int blkwidth, int blkheight, int dx)
+{
+ int *p_ref;
+ uint32 *p_cur;
+ uint32 tmp, pkres;
+ int result, result2, curr_offset, ref_offset;
+ int j, r0, r1, r2, r3, r4, r5;
+
+ p_cur = (uint32*)out; /* assume it's word aligned */
+ curr_offset = (outpitch - blkwidth) >> 2;
+ p_ref = in;
+ ref_offset = inpitch - blkwidth;
+
+ if (dx&1)
+ {
+ dx = ((dx >> 1) ? -3 : -4); /* use in 3/4 pel */
+
+ for (j = blkheight; j > 0 ; j--)
+ {
+ tmp = (uint32)(p_ref + blkwidth);
+ for (; (uint32)p_ref < tmp;)
+ {
+
+ r0 = p_ref[-2];
+ r1 = p_ref[-1];
+ r2 = *p_ref++;
+ r3 = *p_ref++;
+ r4 = *p_ref++;
+ /* first pixel */
+ r5 = *p_ref++;
+ result = (r0 + r5);
+ r0 = (r1 + r4);
+ result -= (r0 * 5);//result -= r0; result -= (r0<<2);
+ r0 = (r2 + r3);
+ result += (r0 * 20);//result += (r0<<4); result += (r0<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ result2 = ((p_ref[dx] + 16) >> 5);
+ CLIP_RESULT(result2)
+ /* 3/4 pel, no need to clip */
+ result = (result + result2 + 1);
+ pkres = (result >> 1);
+ /* second pixel */
+ r0 = *p_ref++;
+ result = (r1 + r0);
+ r1 = (r2 + r5);
+ result -= (r1 * 5);//result -= r1; result -= (r1<<2);
+ r1 = (r3 + r4);
+ result += (r1 * 20);//result += (r1<<4); result += (r1<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ result2 = ((p_ref[dx] + 16) >> 5);
+ CLIP_RESULT(result2)
+ /* 3/4 pel, no need to clip */
+ result = (result + result2 + 1);
+ result = (result >> 1);
+ pkres |= (result << 8);
+ /* third pixel */
+ r1 = *p_ref++;
+ result = (r2 + r1);
+ r2 = (r3 + r0);
+ result -= (r2 * 5);//result -= r2; result -= (r2<<2);
+ r2 = (r4 + r5);
+ result += (r2 * 20);//result += (r2<<4); result += (r2<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ result2 = ((p_ref[dx] + 16) >> 5);
+ CLIP_RESULT(result2)
+ /* 3/4 pel, no need to clip */
+ result = (result + result2 + 1);
+ result = (result >> 1);
+ pkres |= (result << 16);
+ /* fourth pixel */
+ r2 = *p_ref++;
+ result = (r3 + r2);
+ r3 = (r4 + r1);
+ result -= (r3 * 5);//result -= r3; result -= (r3<<2);
+ r3 = (r5 + r0);
+ result += (r3 * 20);//result += (r3<<4); result += (r3<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ result2 = ((p_ref[dx] + 16) >> 5);
+ CLIP_RESULT(result2)
+ /* 3/4 pel, no need to clip */
+ result = (result + result2 + 1);
+ result = (result >> 1);
+ pkres |= (result << 24);
+ *p_cur++ = pkres; /* write 4 pixels */
+ p_ref -= 3; /* offset back to the middle of filter */
+ }
+ p_cur += curr_offset; /* move to the next line */
+ p_ref += ref_offset; /* move to the next line */
+ }
+ }
+ else
+ {
+ for (j = blkheight; j > 0 ; j--)
+ {
+ tmp = (uint32)(p_ref + blkwidth);
+ for (; (uint32)p_ref < tmp;)
+ {
+
+ r0 = p_ref[-2];
+ r1 = p_ref[-1];
+ r2 = *p_ref++;
+ r3 = *p_ref++;
+ r4 = *p_ref++;
+ /* first pixel */
+ r5 = *p_ref++;
+ result = (r0 + r5);
+ r0 = (r1 + r4);
+ result -= (r0 * 5);//result -= r0; result -= (r0<<2);
+ r0 = (r2 + r3);
+ result += (r0 * 20);//result += (r0<<4); result += (r0<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ pkres = result;
+ /* second pixel */
+ r0 = *p_ref++;
+ result = (r1 + r0);
+ r1 = (r2 + r5);
+ result -= (r1 * 5);//result -= r1; result -= (r1<<2);
+ r1 = (r3 + r4);
+ result += (r1 * 20);//result += (r1<<4); result += (r1<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ pkres |= (result << 8);
+ /* third pixel */
+ r1 = *p_ref++;
+ result = (r2 + r1);
+ r2 = (r3 + r0);
+ result -= (r2 * 5);//result -= r2; result -= (r2<<2);
+ r2 = (r4 + r5);
+ result += (r2 * 20);//result += (r2<<4); result += (r2<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ pkres |= (result << 16);
+ /* fourth pixel */
+ r2 = *p_ref++;
+ result = (r3 + r2);
+ r3 = (r4 + r1);
+ result -= (r3 * 5);//result -= r3; result -= (r3<<2);
+ r3 = (r5 + r0);
+ result += (r3 * 20);//result += (r3<<4); result += (r3<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ pkres |= (result << 24);
+ *p_cur++ = pkres; /* write 4 pixels */
+ p_ref -= 3; /* offset back to the middle of filter */
+ }
+ p_cur += curr_offset; /* move to the next line */
+ p_ref += ref_offset; /* move to the next line */
+ }
+ }
+
+ return ;
+}
+
+void HorzInterp3MC(uint8 *in, int inpitch, int *out, int outpitch,
+ int blkwidth, int blkheight)
+{
+ uint8 *p_ref;
+ int *p_cur;
+ uint32 tmp;
+ int result, curr_offset, ref_offset;
+ int j, r0, r1, r2, r3, r4, r5;
+
+ p_cur = out;
+ curr_offset = (outpitch - blkwidth);
+ p_ref = in;
+ ref_offset = inpitch - blkwidth;
+
+ for (j = blkheight; j > 0 ; j--)
+ {
+ tmp = (uint32)(p_ref + blkwidth);
+ for (; (uint32)p_ref < tmp;)
+ {
+
+ r0 = p_ref[-2];
+ r1 = p_ref[-1];
+ r2 = *p_ref++;
+ r3 = *p_ref++;
+ r4 = *p_ref++;
+ /* first pixel */
+ r5 = *p_ref++;
+ result = (r0 + r5);
+ r0 = (r1 + r4);
+ result -= (r0 * 5);//result -= r0; result -= (r0<<2);
+ r0 = (r2 + r3);
+ result += (r0 * 20);//result += (r0<<4); result += (r0<<2);
+ *p_cur++ = result;
+ /* second pixel */
+ r0 = *p_ref++;
+ result = (r1 + r0);
+ r1 = (r2 + r5);
+ result -= (r1 * 5);//result -= r1; result -= (r1<<2);
+ r1 = (r3 + r4);
+ result += (r1 * 20);//result += (r1<<4); result += (r1<<2);
+ *p_cur++ = result;
+ /* third pixel */
+ r1 = *p_ref++;
+ result = (r2 + r1);
+ r2 = (r3 + r0);
+ result -= (r2 * 5);//result -= r2; result -= (r2<<2);
+ r2 = (r4 + r5);
+ result += (r2 * 20);//result += (r2<<4); result += (r2<<2);
+ *p_cur++ = result;
+ /* fourth pixel */
+ r2 = *p_ref++;
+ result = (r3 + r2);
+ r3 = (r4 + r1);
+ result -= (r3 * 5);//result -= r3; result -= (r3<<2);
+ r3 = (r5 + r0);
+ result += (r3 * 20);//result += (r3<<4); result += (r3<<2);
+ *p_cur++ = result;
+ p_ref -= 3; /* move back to the middle of the filter */
+ }
+ p_cur += curr_offset; /* move to the next line */
+ p_ref += ref_offset;
+ }
+
+ return ;
+}
+void VertInterp1MC(uint8 *in, int inpitch, uint8 *out, int outpitch,
+ int blkwidth, int blkheight, int dy)
+{
+ uint8 *p_cur, *p_ref;
+ uint32 tmp;
+ int result, curr_offset, ref_offset;
+ int j, i;
+ int32 r0, r1, r2, r3, r4, r5, r6, r7, r8, r13;
+ uint8 tmp_in[24][24];
+
+ /* not word-aligned */
+ if (((uint32)in)&0x3)
+ {
+ CreateAlign(in, inpitch, -2, &tmp_in[0][0], blkwidth, blkheight + 5);
+ in = &tmp_in[2][0];
+ inpitch = 24;
+ }
+ p_cur = out;
+ curr_offset = 1 - outpitch * (blkheight - 1); /* offset vertically back up and one pixel to right */
+ ref_offset = blkheight * inpitch; /* for limit */
+
+ curr_offset += 3;
+
+ if (dy&1)
+ {
+ dy = (dy >> 1) ? 0 : -inpitch;
+
+ for (j = 0; j < blkwidth; j += 4, in += 4)
+ {
+ r13 = 0;
+ p_ref = in;
+ p_cur -= outpitch; /* compensate for the first offset */
+ tmp = (uint32)(p_ref + ref_offset); /* limit */
+ while ((uint32)p_ref < tmp) /* the loop un-rolled */
+ {
+ r0 = *((uint32*)(p_ref - (inpitch << 1))); /* load 4 bytes */
+ p_ref += inpitch;
+ r6 = (r0 >> 8) & 0xFF00FF; /* second and fourth byte */
+ r0 &= 0xFF00FF;
+
+ r1 = *((uint32*)(p_ref + (inpitch << 1))); /* r1, r7, ref[3] */
+ r7 = (r1 >> 8) & 0xFF00FF;
+ r1 &= 0xFF00FF;
+
+ r0 += r1;
+ r6 += r7;
+
+ r2 = *((uint32*)p_ref); /* r2, r8, ref[1] */
+ r8 = (r2 >> 8) & 0xFF00FF;
+ r2 &= 0xFF00FF;
+
+ r1 = *((uint32*)(p_ref - inpitch)); /* r1, r7, ref[0] */
+ r7 = (r1 >> 8) & 0xFF00FF;
+ r1 &= 0xFF00FF;
+ r1 += r2;
+
+ r7 += r8;
+
+ r0 += 20 * r1;
+ r6 += 20 * r7;
+ r0 += 0x100010;
+ r6 += 0x100010;
+
+ r2 = *((uint32*)(p_ref - (inpitch << 1))); /* r2, r8, ref[-1] */
+ r8 = (r2 >> 8) & 0xFF00FF;
+ r2 &= 0xFF00FF;
+
+ r1 = *((uint32*)(p_ref + inpitch)); /* r1, r7, ref[2] */
+ r7 = (r1 >> 8) & 0xFF00FF;
+ r1 &= 0xFF00FF;
+ r1 += r2;
+
+ r7 += r8;
+
+ r0 -= 5 * r1;
+ r6 -= 5 * r7;
+
+ r0 >>= 5;
+ r6 >>= 5;
+ /* clip */
+ r13 |= r6;
+ r13 |= r0;
+ //CLIPPACK(r6,result)
+
+ r1 = *((uint32*)(p_ref + dy));
+ r2 = (r1 >> 8) & 0xFF00FF;
+ r1 &= 0xFF00FF;
+ r0 += r1;
+ r6 += r2;
+ r0 += 0x10001;
+ r6 += 0x10001;
+ r0 = (r0 >> 1) & 0xFF00FF;
+ r6 = (r6 >> 1) & 0xFF00FF;
+
+ r0 |= (r6 << 8); /* pack it back */
+ *((uint32*)(p_cur += outpitch)) = r0;
+ }
+ p_cur += curr_offset; /* offset to the next pixel */
+ if (r13 & 0xFF000700) /* this column need clipping */
+ {
+ p_cur -= 4;
+ for (i = 0; i < 4; i++)
+ {
+ p_ref = in + i;
+ p_cur -= outpitch; /* compensate for the first offset */
+
+ tmp = (uint32)(p_ref + ref_offset); /* limit */
+ while ((uint32)p_ref < tmp)
+ { /* loop un-rolled */
+ r0 = *(p_ref - (inpitch << 1));
+ r1 = *(p_ref - inpitch);
+ r2 = *p_ref;
+ r3 = *(p_ref += inpitch); /* modify pointer before loading */
+ r4 = *(p_ref += inpitch);
+ /* first pixel */
+ r5 = *(p_ref += inpitch);
+ result = (r0 + r5);
+ r0 = (r1 + r4);
+ result -= (r0 * 5);//result -= r0; result -= (r0<<2);
+ r0 = (r2 + r3);
+ result += (r0 * 20);//result += (r0<<4); result += (r0<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ /* 3/4 pel, no need to clip */
+ result = (result + p_ref[dy-(inpitch<<1)] + 1);
+ result = (result >> 1);
+ *(p_cur += outpitch) = result;
+ /* second pixel */
+ r0 = *(p_ref += inpitch);
+ result = (r1 + r0);
+ r1 = (r2 + r5);
+ result -= (r1 * 5);//result -= r1; result -= (r1<<2);
+ r1 = (r3 + r4);
+ result += (r1 * 20);//result += (r1<<4); result += (r1<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ /* 3/4 pel, no need to clip */
+ result = (result + p_ref[dy-(inpitch<<1)] + 1);
+ result = (result >> 1);
+ *(p_cur += outpitch) = result;
+ /* third pixel */
+ r1 = *(p_ref += inpitch);
+ result = (r2 + r1);
+ r2 = (r3 + r0);
+ result -= (r2 * 5);//result -= r2; result -= (r2<<2);
+ r2 = (r4 + r5);
+ result += (r2 * 20);//result += (r2<<4); result += (r2<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ /* 3/4 pel, no need to clip */
+ result = (result + p_ref[dy-(inpitch<<1)] + 1);
+ result = (result >> 1);
+ *(p_cur += outpitch) = result;
+ /* fourth pixel */
+ r2 = *(p_ref += inpitch);
+ result = (r3 + r2);
+ r3 = (r4 + r1);
+ result -= (r3 * 5);//result -= r3; result -= (r3<<2);
+ r3 = (r5 + r0);
+ result += (r3 * 20);//result += (r3<<4); result += (r3<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ /* 3/4 pel, no need to clip */
+ result = (result + p_ref[dy-(inpitch<<1)] + 1);
+ result = (result >> 1);
+ *(p_cur += outpitch) = result;
+ p_ref -= (inpitch << 1); /* move back to center of the filter of the next one */
+ }
+ p_cur += (curr_offset - 3);
+ }
+ }
+ }
+ }
+ else
+ {
+ for (j = 0; j < blkwidth; j += 4, in += 4)
+ {
+ r13 = 0;
+ p_ref = in;
+ p_cur -= outpitch; /* compensate for the first offset */
+ tmp = (uint32)(p_ref + ref_offset); /* limit */
+ while ((uint32)p_ref < tmp) /* the loop un-rolled */
+ {
+ r0 = *((uint32*)(p_ref - (inpitch << 1))); /* load 4 bytes */
+ p_ref += inpitch;
+ r6 = (r0 >> 8) & 0xFF00FF; /* second and fourth byte */
+ r0 &= 0xFF00FF;
+
+ r1 = *((uint32*)(p_ref + (inpitch << 1))); /* r1, r7, ref[3] */
+ r7 = (r1 >> 8) & 0xFF00FF;
+ r1 &= 0xFF00FF;
+
+ r0 += r1;
+ r6 += r7;
+
+ r2 = *((uint32*)p_ref); /* r2, r8, ref[1] */
+ r8 = (r2 >> 8) & 0xFF00FF;
+ r2 &= 0xFF00FF;
+
+ r1 = *((uint32*)(p_ref - inpitch)); /* r1, r7, ref[0] */
+ r7 = (r1 >> 8) & 0xFF00FF;
+ r1 &= 0xFF00FF;
+ r1 += r2;
+
+ r7 += r8;
+
+ r0 += 20 * r1;
+ r6 += 20 * r7;
+ r0 += 0x100010;
+ r6 += 0x100010;
+
+ r2 = *((uint32*)(p_ref - (inpitch << 1))); /* r2, r8, ref[-1] */
+ r8 = (r2 >> 8) & 0xFF00FF;
+ r2 &= 0xFF00FF;
+
+ r1 = *((uint32*)(p_ref + inpitch)); /* r1, r7, ref[2] */
+ r7 = (r1 >> 8) & 0xFF00FF;
+ r1 &= 0xFF00FF;
+ r1 += r2;
+
+ r7 += r8;
+
+ r0 -= 5 * r1;
+ r6 -= 5 * r7;
+
+ r0 >>= 5;
+ r6 >>= 5;
+ /* clip */
+ r13 |= r6;
+ r13 |= r0;
+ //CLIPPACK(r6,result)
+ r0 &= 0xFF00FF;
+ r6 &= 0xFF00FF;
+ r0 |= (r6 << 8); /* pack it back */
+ *((uint32*)(p_cur += outpitch)) = r0;
+ }
+ p_cur += curr_offset; /* offset to the next pixel */
+ if (r13 & 0xFF000700) /* this column need clipping */
+ {
+ p_cur -= 4;
+ for (i = 0; i < 4; i++)
+ {
+ p_ref = in + i;
+ p_cur -= outpitch; /* compensate for the first offset */
+ tmp = (uint32)(p_ref + ref_offset); /* limit */
+ while ((uint32)p_ref < tmp)
+ { /* loop un-rolled */
+ r0 = *(p_ref - (inpitch << 1));
+ r1 = *(p_ref - inpitch);
+ r2 = *p_ref;
+ r3 = *(p_ref += inpitch); /* modify pointer before loading */
+ r4 = *(p_ref += inpitch);
+ /* first pixel */
+ r5 = *(p_ref += inpitch);
+ result = (r0 + r5);
+ r0 = (r1 + r4);
+ result -= (r0 * 5);//result -= r0; result -= (r0<<2);
+ r0 = (r2 + r3);
+ result += (r0 * 20);//result += (r0<<4); result += (r0<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ *(p_cur += outpitch) = result;
+ /* second pixel */
+ r0 = *(p_ref += inpitch);
+ result = (r1 + r0);
+ r1 = (r2 + r5);
+ result -= (r1 * 5);//result -= r1; result -= (r1<<2);
+ r1 = (r3 + r4);
+ result += (r1 * 20);//result += (r1<<4); result += (r1<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ *(p_cur += outpitch) = result;
+ /* third pixel */
+ r1 = *(p_ref += inpitch);
+ result = (r2 + r1);
+ r2 = (r3 + r0);
+ result -= (r2 * 5);//result -= r2; result -= (r2<<2);
+ r2 = (r4 + r5);
+ result += (r2 * 20);//result += (r2<<4); result += (r2<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ *(p_cur += outpitch) = result;
+ /* fourth pixel */
+ r2 = *(p_ref += inpitch);
+ result = (r3 + r2);
+ r3 = (r4 + r1);
+ result -= (r3 * 5);//result -= r3; result -= (r3<<2);
+ r3 = (r5 + r0);
+ result += (r3 * 20);//result += (r3<<4); result += (r3<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ *(p_cur += outpitch) = result;
+ p_ref -= (inpitch << 1); /* move back to center of the filter of the next one */
+ }
+ p_cur += (curr_offset - 3);
+ }
+ }
+ }
+ }
+
+ return ;
+}
+
+void VertInterp2MC(uint8 *in, int inpitch, int *out, int outpitch,
+ int blkwidth, int blkheight)
+{
+ int *p_cur;
+ uint8 *p_ref;
+ uint32 tmp;
+ int result, curr_offset, ref_offset;
+ int j, r0, r1, r2, r3, r4, r5;
+
+ p_cur = out;
+ curr_offset = 1 - outpitch * (blkheight - 1); /* offset vertically back up and one pixel to right */
+ ref_offset = blkheight * inpitch; /* for limit */
+
+ for (j = 0; j < blkwidth; j++)
+ {
+ p_cur -= outpitch; /* compensate for the first offset */
+ p_ref = in++;
+
+ tmp = (uint32)(p_ref + ref_offset); /* limit */
+ while ((uint32)p_ref < tmp)
+ { /* loop un-rolled */
+ r0 = *(p_ref - (inpitch << 1));
+ r1 = *(p_ref - inpitch);
+ r2 = *p_ref;
+ r3 = *(p_ref += inpitch); /* modify pointer before loading */
+ r4 = *(p_ref += inpitch);
+ /* first pixel */
+ r5 = *(p_ref += inpitch);
+ result = (r0 + r5);
+ r0 = (r1 + r4);
+ result -= (r0 * 5);//result -= r0; result -= (r0<<2);
+ r0 = (r2 + r3);
+ result += (r0 * 20);//result += (r0<<4); result += (r0<<2);
+ *(p_cur += outpitch) = result;
+ /* second pixel */
+ r0 = *(p_ref += inpitch);
+ result = (r1 + r0);
+ r1 = (r2 + r5);
+ result -= (r1 * 5);//result -= r1; result -= (r1<<2);
+ r1 = (r3 + r4);
+ result += (r1 * 20);//result += (r1<<4); result += (r1<<2);
+ *(p_cur += outpitch) = result;
+ /* third pixel */
+ r1 = *(p_ref += inpitch);
+ result = (r2 + r1);
+ r2 = (r3 + r0);
+ result -= (r2 * 5);//result -= r2; result -= (r2<<2);
+ r2 = (r4 + r5);
+ result += (r2 * 20);//result += (r2<<4); result += (r2<<2);
+ *(p_cur += outpitch) = result;
+ /* fourth pixel */
+ r2 = *(p_ref += inpitch);
+ result = (r3 + r2);
+ r3 = (r4 + r1);
+ result -= (r3 * 5);//result -= r3; result -= (r3<<2);
+ r3 = (r5 + r0);
+ result += (r3 * 20);//result += (r3<<4); result += (r3<<2);
+ *(p_cur += outpitch) = result;
+ p_ref -= (inpitch << 1); /* move back to center of the filter of the next one */
+ }
+ p_cur += curr_offset;
+ }
+
+ return ;
+}
+
+void VertInterp3MC(int *in, int inpitch, uint8 *out, int outpitch,
+ int blkwidth, int blkheight, int dy)
+{
+ uint8 *p_cur;
+ int *p_ref;
+ uint32 tmp;
+ int result, result2, curr_offset, ref_offset;
+ int j, r0, r1, r2, r3, r4, r5;
+
+ p_cur = out;
+ curr_offset = 1 - outpitch * (blkheight - 1); /* offset vertically back up and one pixel to right */
+ ref_offset = blkheight * inpitch; /* for limit */
+
+ if (dy&1)
+ {
+ dy = (dy >> 1) ? -(inpitch << 1) : -(inpitch << 1) - inpitch;
+
+ for (j = 0; j < blkwidth; j++)
+ {
+ p_cur -= outpitch; /* compensate for the first offset */
+ p_ref = in++;
+
+ tmp = (uint32)(p_ref + ref_offset); /* limit */
+ while ((uint32)p_ref < tmp)
+ { /* loop un-rolled */
+ r0 = *(p_ref - (inpitch << 1));
+ r1 = *(p_ref - inpitch);
+ r2 = *p_ref;
+ r3 = *(p_ref += inpitch); /* modify pointer before loading */
+ r4 = *(p_ref += inpitch);
+ /* first pixel */
+ r5 = *(p_ref += inpitch);
+ result = (r0 + r5);
+ r0 = (r1 + r4);
+ result -= (r0 * 5);//result -= r0; result -= (r0<<2);
+ r0 = (r2 + r3);
+ result += (r0 * 20);//result += (r0<<4); result += (r0<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ result2 = ((p_ref[dy] + 16) >> 5);
+ CLIP_RESULT(result2)
+ /* 3/4 pel, no need to clip */
+ result = (result + result2 + 1);
+ result = (result >> 1);
+ *(p_cur += outpitch) = result;
+ /* second pixel */
+ r0 = *(p_ref += inpitch);
+ result = (r1 + r0);
+ r1 = (r2 + r5);
+ result -= (r1 * 5);//result -= r1; result -= (r1<<2);
+ r1 = (r3 + r4);
+ result += (r1 * 20);//result += (r1<<4); result += (r1<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ result2 = ((p_ref[dy] + 16) >> 5);
+ CLIP_RESULT(result2)
+ /* 3/4 pel, no need to clip */
+ result = (result + result2 + 1);
+ result = (result >> 1);
+ *(p_cur += outpitch) = result;
+ /* third pixel */
+ r1 = *(p_ref += inpitch);
+ result = (r2 + r1);
+ r2 = (r3 + r0);
+ result -= (r2 * 5);//result -= r2; result -= (r2<<2);
+ r2 = (r4 + r5);
+ result += (r2 * 20);//result += (r2<<4); result += (r2<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ result2 = ((p_ref[dy] + 16) >> 5);
+ CLIP_RESULT(result2)
+ /* 3/4 pel, no need to clip */
+ result = (result + result2 + 1);
+ result = (result >> 1);
+ *(p_cur += outpitch) = result;
+ /* fourth pixel */
+ r2 = *(p_ref += inpitch);
+ result = (r3 + r2);
+ r3 = (r4 + r1);
+ result -= (r3 * 5);//result -= r3; result -= (r3<<2);
+ r3 = (r5 + r0);
+ result += (r3 * 20);//result += (r3<<4); result += (r3<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ result2 = ((p_ref[dy] + 16) >> 5);
+ CLIP_RESULT(result2)
+ /* 3/4 pel, no need to clip */
+ result = (result + result2 + 1);
+ result = (result >> 1);
+ *(p_cur += outpitch) = result;
+ p_ref -= (inpitch << 1); /* move back to center of the filter of the next one */
+ }
+ p_cur += curr_offset;
+ }
+ }
+ else
+ {
+ for (j = 0; j < blkwidth; j++)
+ {
+ p_cur -= outpitch; /* compensate for the first offset */
+ p_ref = in++;
+
+ tmp = (uint32)(p_ref + ref_offset); /* limit */
+ while ((uint32)p_ref < tmp)
+ { /* loop un-rolled */
+ r0 = *(p_ref - (inpitch << 1));
+ r1 = *(p_ref - inpitch);
+ r2 = *p_ref;
+ r3 = *(p_ref += inpitch); /* modify pointer before loading */
+ r4 = *(p_ref += inpitch);
+ /* first pixel */
+ r5 = *(p_ref += inpitch);
+ result = (r0 + r5);
+ r0 = (r1 + r4);
+ result -= (r0 * 5);//result -= r0; result -= (r0<<2);
+ r0 = (r2 + r3);
+ result += (r0 * 20);//result += (r0<<4); result += (r0<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ *(p_cur += outpitch) = result;
+ /* second pixel */
+ r0 = *(p_ref += inpitch);
+ result = (r1 + r0);
+ r1 = (r2 + r5);
+ result -= (r1 * 5);//result -= r1; result -= (r1<<2);
+ r1 = (r3 + r4);
+ result += (r1 * 20);//result += (r1<<4); result += (r1<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ *(p_cur += outpitch) = result;
+ /* third pixel */
+ r1 = *(p_ref += inpitch);
+ result = (r2 + r1);
+ r2 = (r3 + r0);
+ result -= (r2 * 5);//result -= r2; result -= (r2<<2);
+ r2 = (r4 + r5);
+ result += (r2 * 20);//result += (r2<<4); result += (r2<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ *(p_cur += outpitch) = result;
+ /* fourth pixel */
+ r2 = *(p_ref += inpitch);
+ result = (r3 + r2);
+ r3 = (r4 + r1);
+ result -= (r3 * 5);//result -= r3; result -= (r3<<2);
+ r3 = (r5 + r0);
+ result += (r3 * 20);//result += (r3<<4); result += (r3<<2);
+ result = (result + 512) >> 10;
+ CLIP_RESULT(result)
+ *(p_cur += outpitch) = result;
+ p_ref -= (inpitch << 1); /* move back to center of the filter of the next one */
+ }
+ p_cur += curr_offset;
+ }
+ }
+
+ return ;
+}
+
+void DiagonalInterpMC(uint8 *in1, uint8 *in2, int inpitch,
+ uint8 *out, int outpitch,
+ int blkwidth, int blkheight)
+{
+ int j, i;
+ int result;
+ uint8 *p_cur, *p_ref, *p_tmp8;
+ int curr_offset, ref_offset;
+ uint8 tmp_res[24][24], tmp_in[24][24];
+ uint32 *p_tmp;
+ uint32 tmp, pkres, tmp_result;
+ int32 r0, r1, r2, r3, r4, r5;
+ int32 r6, r7, r8, r9, r10, r13;
+
+ ref_offset = inpitch - blkwidth;
+ p_ref = in1 - 2;
+ /* perform horizontal interpolation */
+ /* not word-aligned */
+ /* It is faster to read 1 byte at time to avoid calling CreateAlign */
+ /* if(((uint32)p_ref)&0x3)
+ {
+ CreateAlign(p_ref,inpitch,0,&tmp_in[0][0],blkwidth+8,blkheight);
+ p_ref = &tmp_in[0][0];
+ ref_offset = 24-blkwidth;
+ }*/
+
+ p_tmp = (uint32*) & (tmp_res[0][0]);
+ for (j = blkheight; j > 0; j--)
+ {
+ r13 = 0;
+ tmp = (uint32)(p_ref + blkwidth);
+
+ //r0 = *((uint32*)p_ref); /* d,c,b,a */
+ //r1 = (r0>>8)&0xFF00FF; /* 0,d,0,b */
+ //r0 &= 0xFF00FF; /* 0,c,0,a */
+ /* It is faster to read 1 byte at a time, */
+ r0 = p_ref[0];
+ r1 = p_ref[2];
+ r0 |= (r1 << 16); /* 0,c,0,a */
+ r1 = p_ref[1];
+ r2 = p_ref[3];
+ r1 |= (r2 << 16); /* 0,d,0,b */
+
+ while ((uint32)p_ref < tmp)
+ {
+ //r2 = *((uint32*)(p_ref+=4));/* h,g,f,e */
+ //r3 = (r2>>8)&0xFF00FF; /* 0,h,0,f */
+ //r2 &= 0xFF00FF; /* 0,g,0,e */
+ /* It is faster to read 1 byte at a time, */
+ r2 = *(p_ref += 4);
+ r3 = p_ref[2];
+ r2 |= (r3 << 16); /* 0,g,0,e */
+ r3 = p_ref[1];
+ r4 = p_ref[3];
+ r3 |= (r4 << 16); /* 0,h,0,f */
+
+ r4 = r0 + r3; /* c+h, a+f */
+ r5 = r0 + r1; /* c+d, a+b */
+ r6 = r2 + r3; /* g+h, e+f */
+ r5 >>= 16;
+ r5 |= (r6 << 16); /* e+f, c+d */
+ r4 += r5 * 20; /* c+20*e+20*f+h, a+20*c+20*d+f */
+ r4 += 0x100010; /* +16, +16 */
+ r5 = r1 + r2; /* d+g, b+e */
+ r4 -= r5 * 5; /* c-5*d+20*e+20*f-5*g+h, a-5*b+20*c+20*d-5*e+f */
+ r4 >>= 5;
+ r13 |= r4; /* check clipping */
+ r4 &= 0xFF00FF; /* mask */
+
+ r5 = p_ref[4]; /* i */
+ r6 = (r5 << 16);
+ r5 = r6 | (r2 >> 16);/* 0,i,0,g */
+ r5 += r1; /* d+i, b+g */ /* r5 not free */
+ r1 >>= 16;
+ r1 |= (r3 << 16); /* 0,f,0,d */ /* r1 has changed */
+ r1 += r2; /* f+g, d+e */
+ r5 += 20 * r1; /* d+20f+20g+i, b+20d+20e+g */
+ r0 >>= 16;
+ r0 |= (r2 << 16); /* 0,e,0,c */ /* r0 has changed */
+ r0 += r3; /* e+h, c+f */
+ r5 += 0x100010; /* 16,16 */
+ r5 -= r0 * 5; /* d-5e+20f+20g-5h+i, b-5c+20d+20e-5f+g */
+ r5 >>= 5;
+ r13 |= r5; /* check clipping */
+ r5 &= 0xFF00FF; /* mask */
+
+ r4 |= (r5 << 8); /* pack them together */
+ *p_tmp++ = r4;
+ r1 = r3;
+ r0 = r2;
+ }
+ p_tmp += ((24 - blkwidth) >> 2); /* move to the next line */
+ p_ref += ref_offset; /* ref_offset = inpitch-blkwidth; */
+
+ if (r13&0xFF000700) /* need clipping */
+ {
+ /* move back to the beginning of the line */
+ p_ref -= (ref_offset + blkwidth); /* input */
+ p_tmp -= 6; /* intermediate output */
+ tmp = (uint32)(p_ref + blkwidth);
+ while ((uint32)p_ref < tmp)
+ {
+ r0 = *p_ref++;
+ r1 = *p_ref++;
+ r2 = *p_ref++;
+ r3 = *p_ref++;
+ r4 = *p_ref++;
+ /* first pixel */
+ r5 = *p_ref++;
+ result = (r0 + r5);
+ r0 = (r1 + r4);
+ result -= (r0 * 5);//result -= r0; result -= (r0<<2);
+ r0 = (r2 + r3);
+ result += (r0 * 20);//result += (r0<<4); result += (r0<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ pkres = result;
+ /* second pixel */
+ r0 = *p_ref++;
+ result = (r1 + r0);
+ r1 = (r2 + r5);
+ result -= (r1 * 5);//result -= r1; result -= (r1<<2);
+ r1 = (r3 + r4);
+ result += (r1 * 20);//result += (r1<<4); result += (r1<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ pkres |= (result << 8);
+ /* third pixel */
+ r1 = *p_ref++;
+ result = (r2 + r1);
+ r2 = (r3 + r0);
+ result -= (r2 * 5);//result -= r2; result -= (r2<<2);
+ r2 = (r4 + r5);
+ result += (r2 * 20);//result += (r2<<4); result += (r2<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ pkres |= (result << 16);
+ /* fourth pixel */
+ r2 = *p_ref++;
+ result = (r3 + r2);
+ r3 = (r4 + r1);
+ result -= (r3 * 5);//result -= r3; result -= (r3<<2);
+ r3 = (r5 + r0);
+ result += (r3 * 20);//result += (r3<<4); result += (r3<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ pkres |= (result << 24);
+
+ *p_tmp++ = pkres; /* write 4 pixel */
+ p_ref -= 5;
+ }
+ p_tmp += ((24 - blkwidth) >> 2); /* move to the next line */
+ p_ref += ref_offset; /* ref_offset = inpitch-blkwidth; */
+ }
+ }
+
+ /* perform vertical interpolation */
+ /* not word-aligned */
+ if (((uint32)in2)&0x3)
+ {
+ CreateAlign(in2, inpitch, -2, &tmp_in[0][0], blkwidth, blkheight + 5);
+ in2 = &tmp_in[2][0];
+ inpitch = 24;
+ }
+
+ p_cur = out;
+ curr_offset = 1 - outpitch * (blkheight - 1); /* offset vertically up and one pixel right */
+ pkres = blkheight * inpitch; /* reuse it for limit */
+
+ curr_offset += 3;
+
+ for (j = 0; j < blkwidth; j += 4, in2 += 4)
+ {
+ r13 = 0;
+ p_ref = in2;
+ p_tmp8 = &(tmp_res[0][j]); /* intermediate result */
+ p_tmp8 -= 24; /* compensate for the first offset */
+ p_cur -= outpitch; /* compensate for the first offset */
+ tmp = (uint32)(p_ref + pkres); /* limit */
+ while ((uint32)p_ref < tmp) /* the loop un-rolled */
+ {
+ /* Read 1 byte at a time is too slow, too many read and pack ops, need to call CreateAlign, */
+ /*p_ref8 = p_ref-(inpitch<<1); r0 = p_ref8[0]; r1 = p_ref8[2];
+ r0 |= (r1<<16); r6 = p_ref8[1]; r1 = p_ref8[3];
+ r6 |= (r1<<16); p_ref+=inpitch; */
+ r0 = *((uint32*)(p_ref - (inpitch << 1))); /* load 4 bytes */
+ p_ref += inpitch;
+ r6 = (r0 >> 8) & 0xFF00FF; /* second and fourth byte */
+ r0 &= 0xFF00FF;
+
+ /*p_ref8 = p_ref+(inpitch<<1);
+ r1 = p_ref8[0]; r7 = p_ref8[2]; r1 |= (r7<<16);
+ r7 = p_ref8[1]; r2 = p_ref8[3]; r7 |= (r2<<16);*/
+ r1 = *((uint32*)(p_ref + (inpitch << 1))); /* r1, r7, ref[3] */
+ r7 = (r1 >> 8) & 0xFF00FF;
+ r1 &= 0xFF00FF;
+
+ r0 += r1;
+ r6 += r7;
+
+ /*r2 = p_ref[0]; r8 = p_ref[2]; r2 |= (r8<<16);
+ r8 = p_ref[1]; r1 = p_ref[3]; r8 |= (r1<<16);*/
+ r2 = *((uint32*)p_ref); /* r2, r8, ref[1] */
+ r8 = (r2 >> 8) & 0xFF00FF;
+ r2 &= 0xFF00FF;
+
+ /*p_ref8 = p_ref-inpitch; r1 = p_ref8[0]; r7 = p_ref8[2];
+ r1 |= (r7<<16); r1 += r2; r7 = p_ref8[1];
+ r2 = p_ref8[3]; r7 |= (r2<<16);*/
+ r1 = *((uint32*)(p_ref - inpitch)); /* r1, r7, ref[0] */
+ r7 = (r1 >> 8) & 0xFF00FF;
+ r1 &= 0xFF00FF;
+ r1 += r2;
+
+ r7 += r8;
+
+ r0 += 20 * r1;
+ r6 += 20 * r7;
+ r0 += 0x100010;
+ r6 += 0x100010;
+
+ /*p_ref8 = p_ref-(inpitch<<1); r2 = p_ref8[0]; r8 = p_ref8[2];
+ r2 |= (r8<<16); r8 = p_ref8[1]; r1 = p_ref8[3]; r8 |= (r1<<16);*/
+ r2 = *((uint32*)(p_ref - (inpitch << 1))); /* r2, r8, ref[-1] */
+ r8 = (r2 >> 8) & 0xFF00FF;
+ r2 &= 0xFF00FF;
+
+ /*p_ref8 = p_ref+inpitch; r1 = p_ref8[0]; r7 = p_ref8[2];
+ r1 |= (r7<<16); r1 += r2; r7 = p_ref8[1];
+ r2 = p_ref8[3]; r7 |= (r2<<16);*/
+ r1 = *((uint32*)(p_ref + inpitch)); /* r1, r7, ref[2] */
+ r7 = (r1 >> 8) & 0xFF00FF;
+ r1 &= 0xFF00FF;
+ r1 += r2;
+
+ r7 += r8;
+
+ r0 -= 5 * r1;
+ r6 -= 5 * r7;
+
+ r0 >>= 5;
+ r6 >>= 5;
+ /* clip */
+ r13 |= r6;
+ r13 |= r0;
+ //CLIPPACK(r6,result)
+ /* add with horizontal results */
+ r10 = *((uint32*)(p_tmp8 += 24));
+ r9 = (r10 >> 8) & 0xFF00FF;
+ r10 &= 0xFF00FF;
+
+ r0 += r10;
+ r0 += 0x10001;
+ r0 = (r0 >> 1) & 0xFF00FF; /* mask to 8 bytes */
+
+ r6 += r9;
+ r6 += 0x10001;
+ r6 = (r6 >> 1) & 0xFF00FF; /* mask to 8 bytes */
+
+ r0 |= (r6 << 8); /* pack it back */
+ *((uint32*)(p_cur += outpitch)) = r0;
+ }
+ p_cur += curr_offset; /* offset to the next pixel */
+ if (r13 & 0xFF000700) /* this column need clipping */
+ {
+ p_cur -= 4;
+ for (i = 0; i < 4; i++)
+ {
+ p_ref = in2 + i;
+ p_tmp8 = &(tmp_res[0][j+i]); /* intermediate result */
+ p_tmp8 -= 24; /* compensate for the first offset */
+ p_cur -= outpitch; /* compensate for the first offset */
+ tmp = (uint32)(p_ref + pkres); /* limit */
+ while ((uint32)p_ref < tmp) /* the loop un-rolled */
+ {
+ r0 = *(p_ref - (inpitch << 1));
+ r1 = *(p_ref - inpitch);
+ r2 = *p_ref;
+ r3 = *(p_ref += inpitch); /* modify pointer before loading */
+ r4 = *(p_ref += inpitch);
+ /* first pixel */
+ r5 = *(p_ref += inpitch);
+ result = (r0 + r5);
+ r0 = (r1 + r4);
+ result -= (r0 * 5);//result -= r0; result -= (r0<<2);
+ r0 = (r2 + r3);
+ result += (r0 * 20);//result += (r0<<4); result += (r0<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ tmp_result = *(p_tmp8 += 24); /* modify pointer before loading */
+ result = (result + tmp_result + 1); /* no clip */
+ result = (result >> 1);
+ *(p_cur += outpitch) = result;
+ /* second pixel */
+ r0 = *(p_ref += inpitch);
+ result = (r1 + r0);
+ r1 = (r2 + r5);
+ result -= (r1 * 5);//result -= r1; result -= (r1<<2);
+ r1 = (r3 + r4);
+ result += (r1 * 20);//result += (r1<<4); result += (r1<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ tmp_result = *(p_tmp8 += 24); /* intermediate result */
+ result = (result + tmp_result + 1); /* no clip */
+ result = (result >> 1);
+ *(p_cur += outpitch) = result;
+ /* third pixel */
+ r1 = *(p_ref += inpitch);
+ result = (r2 + r1);
+ r2 = (r3 + r0);
+ result -= (r2 * 5);//result -= r2; result -= (r2<<2);
+ r2 = (r4 + r5);
+ result += (r2 * 20);//result += (r2<<4); result += (r2<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ tmp_result = *(p_tmp8 += 24); /* intermediate result */
+ result = (result + tmp_result + 1); /* no clip */
+ result = (result >> 1);
+ *(p_cur += outpitch) = result;
+ /* fourth pixel */
+ r2 = *(p_ref += inpitch);
+ result = (r3 + r2);
+ r3 = (r4 + r1);
+ result -= (r3 * 5);//result -= r3; result -= (r3<<2);
+ r3 = (r5 + r0);
+ result += (r3 * 20);//result += (r3<<4); result += (r3<<2);
+ result = (result + 16) >> 5;
+ CLIP_RESULT(result)
+ tmp_result = *(p_tmp8 += 24); /* intermediate result */
+ result = (result + tmp_result + 1); /* no clip */
+ result = (result >> 1);
+ *(p_cur += outpitch) = result;
+ p_ref -= (inpitch << 1); /* move back to center of the filter of the next one */
+ }
+ p_cur += (curr_offset - 3);
+ }
+ }
+ }
+
+ return ;
+}
+
+/* position G */
+void FullPelMC(uint8 *in, int inpitch, uint8 *out, int outpitch,
+ int blkwidth, int blkheight)
+{
+ int i, j;
+ int offset_in = inpitch - blkwidth;
+ int offset_out = outpitch - blkwidth;
+ uint32 temp;
+ uint8 byte;
+
+ if (((uint32)in)&3)
+ {
+ for (j = blkheight; j > 0; j--)
+ {
+ for (i = blkwidth; i > 0; i -= 4)
+ {
+ temp = *in++;
+ byte = *in++;
+ temp |= (byte << 8);
+ byte = *in++;
+ temp |= (byte << 16);
+ byte = *in++;
+ temp |= (byte << 24);
+
+ *((uint32*)out) = temp; /* write 4 bytes */
+ out += 4;
+ }
+ out += offset_out;
+ in += offset_in;
+ }
+ }
+ else
+ {
+ for (j = blkheight; j > 0; j--)
+ {
+ for (i = blkwidth; i > 0; i -= 4)
+ {
+ temp = *((uint32*)in);
+ *((uint32*)out) = temp;
+ in += 4;
+ out += 4;
+ }
+ out += offset_out;
+ in += offset_in;
+ }
+ }
+ return ;
+}
+
+void ChromaMotionComp(uint8 *ref, int picwidth, int picheight,
+ int x_pos, int y_pos,
+ uint8 *pred, int pred_pitch,
+ int blkwidth, int blkheight)
+{
+ int dx, dy;
+ int offset_dx, offset_dy;
+ int index;
+ uint8 temp[24][24];
+
+ dx = x_pos & 7;
+ dy = y_pos & 7;
+ offset_dx = (dx + 7) >> 3;
+ offset_dy = (dy + 7) >> 3;
+ x_pos = x_pos >> 3; /* round it to full-pel resolution */
+ y_pos = y_pos >> 3;
+
+ if ((x_pos >= 0 && x_pos + blkwidth + offset_dx <= picwidth) && (y_pos >= 0 && y_pos + blkheight + offset_dy <= picheight))
+ {
+ ref += y_pos * picwidth + x_pos;
+ }
+ else
+ {
+ CreatePad(ref, picwidth, picheight, x_pos, y_pos, &temp[0][0], blkwidth + offset_dx, blkheight + offset_dy);
+ ref = &temp[0][0];
+ picwidth = 24;
+ }
+
+ index = offset_dx + (offset_dy << 1) + ((blkwidth << 1) & 0x7);
+
+ (*(ChromaMC_SIMD[index]))(ref, picwidth , dx, dy, pred, pred_pitch, blkwidth, blkheight);
+ return ;
+}
+
+
+/* SIMD routines, unroll the loops in vertical direction, decreasing loops (things to be done) */
+void ChromaDiagonalMC_SIMD(uint8 *pRef, int srcPitch, int dx, int dy,
+ uint8 *pOut, int predPitch, int blkwidth, int blkheight)
+{
+ int32 r0, r1, r2, r3, result0, result1;
+ uint8 temp[288];
+ uint8 *ref, *out;
+ int i, j;
+ int dx_8 = 8 - dx;
+ int dy_8 = 8 - dy;
+
+ /* horizontal first */
+ out = temp;
+ for (i = 0; i < blkheight + 1; i++)
+ {
+ ref = pRef;
+ r0 = ref[0];
+ for (j = 0; j < blkwidth; j += 4)
+ {
+ r0 |= (ref[2] << 16);
+ result0 = dx_8 * r0;
+
+ r1 = ref[1] | (ref[3] << 16);
+ result0 += dx * r1;
+ *(int32 *)out = result0;
+
+ result0 = dx_8 * r1;
+
+ r2 = ref[4];
+ r0 = r0 >> 16;
+ r1 = r0 | (r2 << 16);
+ result0 += dx * r1;
+ *(int32 *)(out + 16) = result0;
+
+ ref += 4;
+ out += 4;
+ r0 = r2;
+ }
+ pRef += srcPitch;
+ out += (32 - blkwidth);
+ }
+
+// pRef -= srcPitch*(blkheight+1);
+ ref = temp;
+
+ for (j = 0; j < blkwidth; j += 4)
+ {
+ r0 = *(int32 *)ref;
+ r1 = *(int32 *)(ref + 16);
+ ref += 32;
+ out = pOut;
+ for (i = 0; i < (blkheight >> 1); i++)
+ {
+ result0 = dy_8 * r0 + 0x00200020;
+ r2 = *(int32 *)ref;
+ result0 += dy * r2;
+ result0 >>= 6;
+ result0 &= 0x00FF00FF;
+ r0 = r2;
+
+ result1 = dy_8 * r1 + 0x00200020;
+ r3 = *(int32 *)(ref + 16);
+ result1 += dy * r3;
+ result1 >>= 6;
+ result1 &= 0x00FF00FF;
+ r1 = r3;
+ *(int32 *)out = result0 | (result1 << 8);
+ out += predPitch;
+ ref += 32;
+
+ result0 = dy_8 * r0 + 0x00200020;
+ r2 = *(int32 *)ref;
+ result0 += dy * r2;
+ result0 >>= 6;
+ result0 &= 0x00FF00FF;
+ r0 = r2;
+
+ result1 = dy_8 * r1 + 0x00200020;
+ r3 = *(int32 *)(ref + 16);
+ result1 += dy * r3;
+ result1 >>= 6;
+ result1 &= 0x00FF00FF;
+ r1 = r3;
+ *(int32 *)out = result0 | (result1 << 8);
+ out += predPitch;
+ ref += 32;
+ }
+ pOut += 4;
+ ref = temp + 4; /* since it can only iterate twice max */
+ }
+ return;
+}
+
+void ChromaHorizontalMC_SIMD(uint8 *pRef, int srcPitch, int dx, int dy,
+ uint8 *pOut, int predPitch, int blkwidth, int blkheight)
+{
+ OSCL_UNUSED_ARG(dy);
+ int32 r0, r1, r2, result0, result1;
+ uint8 *ref, *out;
+ int i, j;
+ int dx_8 = 8 - dx;
+
+ /* horizontal first */
+ for (i = 0; i < blkheight; i++)
+ {
+ ref = pRef;
+ out = pOut;
+
+ r0 = ref[0];
+ for (j = 0; j < blkwidth; j += 4)
+ {
+ r0 |= (ref[2] << 16);
+ result0 = dx_8 * r0 + 0x00040004;
+
+ r1 = ref[1] | (ref[3] << 16);
+ result0 += dx * r1;
+ result0 >>= 3;
+ result0 &= 0x00FF00FF;
+
+ result1 = dx_8 * r1 + 0x00040004;
+
+ r2 = ref[4];
+ r0 = r0 >> 16;
+ r1 = r0 | (r2 << 16);
+ result1 += dx * r1;
+ result1 >>= 3;
+ result1 &= 0x00FF00FF;
+
+ *(int32 *)out = result0 | (result1 << 8);
+
+ ref += 4;
+ out += 4;
+ r0 = r2;
+ }
+
+ pRef += srcPitch;
+ pOut += predPitch;
+ }
+ return;
+}
+
+void ChromaVerticalMC_SIMD(uint8 *pRef, int srcPitch, int dx, int dy,
+ uint8 *pOut, int predPitch, int blkwidth, int blkheight)
+{
+ OSCL_UNUSED_ARG(dx);
+ int32 r0, r1, r2, r3, result0, result1;
+ int i, j;
+ uint8 *ref, *out;
+ int dy_8 = 8 - dy;
+ /* vertical first */
+ for (i = 0; i < blkwidth; i += 4)
+ {
+ ref = pRef;
+ out = pOut;
+
+ r0 = ref[0] | (ref[2] << 16);
+ r1 = ref[1] | (ref[3] << 16);
+ ref += srcPitch;
+ for (j = 0; j < blkheight; j++)
+ {
+ result0 = dy_8 * r0 + 0x00040004;
+ r2 = ref[0] | (ref[2] << 16);
+ result0 += dy * r2;
+ result0 >>= 3;
+ result0 &= 0x00FF00FF;
+ r0 = r2;
+
+ result1 = dy_8 * r1 + 0x00040004;
+ r3 = ref[1] | (ref[3] << 16);
+ result1 += dy * r3;
+ result1 >>= 3;
+ result1 &= 0x00FF00FF;
+ r1 = r3;
+ *(int32 *)out = result0 | (result1 << 8);
+ ref += srcPitch;
+ out += predPitch;
+ }
+ pOut += 4;
+ pRef += 4;
+ }
+ return;
+}
+
+void ChromaDiagonalMC2_SIMD(uint8 *pRef, int srcPitch, int dx, int dy,
+ uint8 *pOut, int predPitch, int blkwidth, int blkheight)
+{
+ OSCL_UNUSED_ARG(blkwidth);
+ int32 r0, r1, temp0, temp1, result;
+ int32 temp[9];
+ int32 *out;
+ int i, r_temp;
+ int dy_8 = 8 - dy;
+
+ /* horizontal first */
+ out = temp;
+ for (i = 0; i < blkheight + 1; i++)
+ {
+ r_temp = pRef[1];
+ temp0 = (pRef[0] << 3) + dx * (r_temp - pRef[0]);
+ temp1 = (r_temp << 3) + dx * (pRef[2] - r_temp);
+ r0 = temp0 | (temp1 << 16);
+ *out++ = r0;
+ pRef += srcPitch;
+ }
+
+ pRef -= srcPitch * (blkheight + 1);
+
+ out = temp;
+
+ r0 = *out++;
+
+ for (i = 0; i < blkheight; i++)
+ {
+ result = dy_8 * r0 + 0x00200020;
+ r1 = *out++;
+ result += dy * r1;
+ result >>= 6;
+ result &= 0x00FF00FF;
+ *(int16 *)pOut = (result >> 8) | (result & 0xFF);
+ r0 = r1;
+ pOut += predPitch;
+ }
+ return;
+}
+
+void ChromaHorizontalMC2_SIMD(uint8 *pRef, int srcPitch, int dx, int dy,
+ uint8 *pOut, int predPitch, int blkwidth, int blkheight)
+{
+ OSCL_UNUSED_ARG(dy);
+ OSCL_UNUSED_ARG(blkwidth);
+ int i, temp, temp0, temp1;
+
+ /* horizontal first */
+ for (i = 0; i < blkheight; i++)
+ {
+ temp = pRef[1];
+ temp0 = ((pRef[0] << 3) + dx * (temp - pRef[0]) + 4) >> 3;
+ temp1 = ((temp << 3) + dx * (pRef[2] - temp) + 4) >> 3;
+
+ *(int16 *)pOut = temp0 | (temp1 << 8);
+ pRef += srcPitch;
+ pOut += predPitch;
+
+ }
+ return;
+}
+void ChromaVerticalMC2_SIMD(uint8 *pRef, int srcPitch, int dx, int dy,
+ uint8 *pOut, int predPitch, int blkwidth, int blkheight)
+{
+ OSCL_UNUSED_ARG(dx);
+ OSCL_UNUSED_ARG(blkwidth);
+ int32 r0, r1, result;
+ int i;
+ int dy_8 = 8 - dy;
+ r0 = pRef[0] | (pRef[1] << 16);
+ pRef += srcPitch;
+ for (i = 0; i < blkheight; i++)
+ {
+ result = dy_8 * r0 + 0x00040004;
+ r1 = pRef[0] | (pRef[1] << 16);
+ result += dy * r1;
+ result >>= 3;
+ result &= 0x00FF00FF;
+ *(int16 *)pOut = (result >> 8) | (result & 0xFF);
+ r0 = r1;
+ pRef += srcPitch;
+ pOut += predPitch;
+ }
+ return;
+}
+
+void ChromaFullMC_SIMD(uint8 *pRef, int srcPitch, int dx, int dy,
+ uint8 *pOut, int predPitch, int blkwidth, int blkheight)
+{
+ OSCL_UNUSED_ARG(dx);
+ OSCL_UNUSED_ARG(dy);
+ int i, j;
+ int offset_in = srcPitch - blkwidth;
+ int offset_out = predPitch - blkwidth;
+ uint16 temp;
+ uint8 byte;
+
+ if (((uint32)pRef)&1)
+ {
+ for (j = blkheight; j > 0; j--)
+ {
+ for (i = blkwidth; i > 0; i -= 2)
+ {
+ temp = *pRef++;
+ byte = *pRef++;
+ temp |= (byte << 8);
+ *((uint16*)pOut) = temp; /* write 2 bytes */
+ pOut += 2;
+ }
+ pOut += offset_out;
+ pRef += offset_in;
+ }
+ }
+ else
+ {
+ for (j = blkheight; j > 0; j--)
+ {
+ for (i = blkwidth; i > 0; i -= 2)
+ {
+ temp = *((uint16*)pRef);
+ *((uint16*)pOut) = temp;
+ pRef += 2;
+ pOut += 2;
+ }
+ pOut += offset_out;
+ pRef += offset_in;
+ }
+ }
+ return ;
+}
generated by cgit v1.1 at 2024-08-02 08:48:42 +0000