/* Copyright (C) 2001-2002 Michael Niedermayer (michaelni@gmx.at) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #undef PAVGB #undef PMINUB #undef PMAXUB #ifdef HAVE_MMX2 #define PAVGB(a,b) "pavgb " #a ", " #b " \n\t" #elif defined (HAVE_3DNOW) #define PAVGB(a,b) "pavgusb " #a ", " #b " \n\t" #endif #ifdef HAVE_MMX2 #define PMINUB(a,b,t) "pminub " #a ", " #b " \n\t" #elif defined (HAVE_MMX) #define PMINUB(b,a,t) \ "movq " #a ", " #t " \n\t"\ "psubusb " #b ", " #t " \n\t"\ "psubb " #t ", " #a " \n\t" #endif #ifdef HAVE_MMX2 #define PMAXUB(a,b) "pmaxub " #a ", " #b " \n\t" #elif defined (HAVE_MMX) #define PMAXUB(a,b) \ "psubusb " #a ", " #b " \n\t"\ "paddb " #a ", " #b " \n\t" #endif //FIXME? |255-0| = 1 (shouldnt be a problem ...) /** * Check if the middle 8x8 Block in the given 8x16 block is flat */ static inline int RENAME(isVertDC)(uint8_t src[], int stride){ int numEq= 0; #ifndef HAVE_MMX int y; #endif src+= stride*4; // src points to begin of the 8x8 Block #ifdef HAVE_MMX asm volatile( "leal (%1, %2), %%eax \n\t" "leal (%%eax, %2, 4), %%ebx \n\t" // 0 1 2 3 4 5 6 7 8 9 // %1 eax eax+%2 eax+2%2 %1+4%2 ebx ebx+%2 ebx+2%2 %1+8%2 ebx+4%2 "movq "MANGLE(mmxDCOffset)", %%mm7 \n\t" // mm7 = 0x7F "movq "MANGLE(mmxDCThreshold)", %%mm6 \n\t" // mm6 = 0x7D "movq (%1), %%mm0 \n\t" "movq (%%eax), %%mm1 \n\t" "psubb %%mm1, %%mm0 \n\t" // mm0 = differnece "paddb %%mm7, %%mm0 \n\t" "pcmpgtb %%mm6, %%mm0 \n\t" "movq (%%eax,%2), %%mm2 \n\t" "psubb %%mm2, %%mm1 \n\t" "paddb %%mm7, %%mm1 \n\t" "pcmpgtb %%mm6, %%mm1 \n\t" "paddb %%mm1, %%mm0 \n\t" "movq (%%eax, %2, 2), %%mm1 \n\t" "psubb %%mm1, %%mm2 \n\t" "paddb %%mm7, %%mm2 \n\t" "pcmpgtb %%mm6, %%mm2 \n\t" "paddb %%mm2, %%mm0 \n\t" "movq (%1, %2, 4), %%mm2 \n\t" "psubb %%mm2, %%mm1 \n\t" "paddb %%mm7, %%mm1 \n\t" "pcmpgtb %%mm6, %%mm1 \n\t" "paddb %%mm1, %%mm0 \n\t" "movq (%%ebx), %%mm1 \n\t" "psubb %%mm1, %%mm2 \n\t" "paddb %%mm7, %%mm2 \n\t" "pcmpgtb %%mm6, %%mm2 \n\t" "paddb %%mm2, %%mm0 \n\t" "movq (%%ebx, %2), %%mm2 \n\t" "psubb %%mm2, %%mm1 \n\t" "paddb %%mm7, %%mm1 \n\t" "pcmpgtb %%mm6, %%mm1 \n\t" "paddb %%mm1, %%mm0 \n\t" "movq (%%ebx, %2, 2), %%mm1 \n\t" "psubb %%mm1, %%mm2 \n\t" "paddb %%mm7, %%mm2 \n\t" "pcmpgtb %%mm6, %%mm2 \n\t" "paddb %%mm2, %%mm0 \n\t" " \n\t" #ifdef HAVE_MMX2 "pxor %%mm7, %%mm7 \n\t" "psadbw %%mm7, %%mm0 \n\t" #else "movq %%mm0, %%mm1 \n\t" "psrlw $8, %%mm0 \n\t" "paddb %%mm1, %%mm0 \n\t" "movq %%mm0, %%mm1 \n\t" "psrlq $16, %%mm0 \n\t" "paddb %%mm1, %%mm0 \n\t" "movq %%mm0, %%mm1 \n\t" "psrlq $32, %%mm0 \n\t" "paddb %%mm1, %%mm0 \n\t" #endif "movd %%mm0, %0 \n\t" : "=r" (numEq) : "r" (src), "r" (stride) : "%ebx" ); numEq= (-numEq) &0xFF; #else for(y=0; y 0) { printf("\nasm:%d c:%d\n", asmEq, numEq); for(int y=0; y<8; y++) { for(int x=0; x<8; x++) { printf("%d ", temp[x + y*stride]); } printf("\n"); } } */ // for(int i=0; i vFlatnessThreshold) ? 1 : 0; } static inline int RENAME(isVertMinMaxOk)(uint8_t src[], int stride, int QP) { #ifdef HAVE_MMX int isOk; src+= stride*3; asm volatile( // "int $3 \n\t" "movq (%1, %2), %%mm0 \n\t" "movq (%1, %2, 8), %%mm1 \n\t" "movq %%mm0, %%mm2 \n\t" "psubusb %%mm1, %%mm0 \n\t" "psubusb %%mm2, %%mm1 \n\t" "por %%mm1, %%mm0 \n\t" // ABS Diff "movq "MANGLE(pQPb)", %%mm7 \n\t" // QP,..., QP "paddusb %%mm7, %%mm7 \n\t" // 2QP ... 2QP "psubusb %%mm7, %%mm0 \n\t" // Diff <= 2QP -> 0 "pcmpeqd "MANGLE(b00)", %%mm0 \n\t" "psrlq $16, %%mm0 \n\t" "pcmpeqd "MANGLE(bFF)", %%mm0 \n\t" // "movd %%mm0, (%1, %2, 4)\n\t" "movd %%mm0, %0 \n\t" : "=r" (isOk) : "r" (src), "r" (stride) ); return isOk; #else int isOk2= 1; int x; src+= stride*3; for(x=0; x 2*QP) isOk2=0; } /* if(isOk && !isOk2 || !isOk && isOk2) { printf("\nasm:%d c:%d QP:%d\n", isOk, isOk2, QP); for(int y=0; y<9; y++) { for(int x=0; x<8; x++) { printf("%d ", src[x + y*stride]); } printf("\n"); } } */ return isOk2; #endif } /** * Do a vertical low pass filter on the 8x16 block (only write to the 8x8 block in the middle) * using the 9-Tap Filter (1,1,2,2,4,2,2,1,1)/16 */ static inline void RENAME(doVertLowPass)(uint8_t *src, int stride, int QP) { #if defined (HAVE_MMX2) || defined (HAVE_3DNOW) src+= stride*3; asm volatile( //"movv %0 %1 %2\n\t" "movq "MANGLE(pQPb)", %%mm0 \n\t" // QP,..., QP "movq (%0), %%mm6 \n\t" "movq (%0, %1), %%mm5 \n\t" "movq %%mm5, %%mm1 \n\t" "movq %%mm6, %%mm2 \n\t" "psubusb %%mm6, %%mm5 \n\t" "psubusb %%mm1, %%mm2 \n\t" "por %%mm5, %%mm2 \n\t" // ABS Diff of lines "psubusb %%mm0, %%mm2 \n\t" // diff <= QP -> 0 "pcmpeqb "MANGLE(b00)", %%mm2 \n\t" // diff <= QP -> FF "pand %%mm2, %%mm6 \n\t" "pandn %%mm1, %%mm2 \n\t" "por %%mm2, %%mm6 \n\t"// First Line to Filter "movq (%0, %1, 8), %%mm5 \n\t" "leal (%0, %1, 4), %%eax \n\t" "leal (%0, %1, 8), %%ebx \n\t" "subl %1, %%ebx \n\t" "addl %1, %0 \n\t" // %0 points to line 1 not 0 "movq (%0, %1, 8), %%mm7 \n\t" "movq %%mm5, %%mm1 \n\t" "movq %%mm7, %%mm2 \n\t" "psubusb %%mm7, %%mm5 \n\t" "psubusb %%mm1, %%mm2 \n\t" "por %%mm5, %%mm2 \n\t" // ABS Diff of lines "psubusb %%mm0, %%mm2 \n\t" // diff <= QP -> 0 "pcmpeqb "MANGLE(b00)", %%mm2 \n\t" // diff <= QP -> FF "pand %%mm2, %%mm7 \n\t" "pandn %%mm1, %%mm2 \n\t" "por %%mm2, %%mm7 \n\t" // First Line to Filter // 1 2 3 4 5 6 7 8 // %0 %0+%1 %0+2%1 eax %0+4%1 eax+2%1 ebx eax+4%1 // 6 4 2 2 1 1 // 6 4 4 2 // 6 8 2 "movq (%0, %1), %%mm0 \n\t" // 1 "movq %%mm0, %%mm1 \n\t" // 1 PAVGB(%%mm6, %%mm0) //1 1 /2 PAVGB(%%mm6, %%mm0) //3 1 /4 "movq (%0, %1, 4), %%mm2 \n\t" // 1 "movq %%mm2, %%mm5 \n\t" // 1 PAVGB((%%eax), %%mm2) // 11 /2 PAVGB((%0, %1, 2), %%mm2) // 211 /4 "movq %%mm2, %%mm3 \n\t" // 211 /4 "movq (%0), %%mm4 \n\t" // 1 PAVGB(%%mm4, %%mm3) // 4 211 /8 PAVGB(%%mm0, %%mm3) //642211 /16 "movq %%mm3, (%0) \n\t" // X // mm1=2 mm2=3(211) mm4=1 mm5=5 mm6=0 mm7=9 "movq %%mm1, %%mm0 \n\t" // 1 PAVGB(%%mm6, %%mm0) //1 1 /2 "movq %%mm4, %%mm3 \n\t" // 1 PAVGB((%0,%1,2), %%mm3) // 1 1 /2 PAVGB((%%eax,%1,2), %%mm5) // 11 /2 PAVGB((%%eax), %%mm5) // 211 /4 PAVGB(%%mm5, %%mm3) // 2 2211 /8 PAVGB(%%mm0, %%mm3) //4242211 /16 "movq %%mm3, (%0,%1) \n\t" // X // mm1=2 mm2=3(211) mm4=1 mm5=4(211) mm6=0 mm7=9 PAVGB(%%mm4, %%mm6) //11 /2 "movq (%%ebx), %%mm0 \n\t" // 1 PAVGB((%%eax, %1, 2), %%mm0) // 11/2 "movq %%mm0, %%mm3 \n\t" // 11/2 PAVGB(%%mm1, %%mm0) // 2 11/4 PAVGB(%%mm6, %%mm0) //222 11/8 PAVGB(%%mm2, %%mm0) //22242211/16 "movq (%0, %1, 2), %%mm2 \n\t" // 1 "movq %%mm0, (%0, %1, 2) \n\t" // X // mm1=2 mm2=3 mm3=6(11) mm4=1 mm5=4(211) mm6=0(11) mm7=9 "movq (%%eax, %1, 4), %%mm0 \n\t" // 1 PAVGB((%%ebx), %%mm0) // 11 /2 PAVGB(%%mm0, %%mm6) //11 11 /4 PAVGB(%%mm1, %%mm4) // 11 /2 PAVGB(%%mm2, %%mm1) // 11 /2 PAVGB(%%mm1, %%mm6) //1122 11 /8 PAVGB(%%mm5, %%mm6) //112242211 /16 "movq (%%eax), %%mm5 \n\t" // 1 "movq %%mm6, (%%eax) \n\t" // X // mm0=7(11) mm1=2(11) mm2=3 mm3=6(11) mm4=1(11) mm5=4 mm7=9 "movq (%%eax, %1, 4), %%mm6 \n\t" // 1 PAVGB(%%mm7, %%mm6) // 11 /2 PAVGB(%%mm4, %%mm6) // 11 11 /4 PAVGB(%%mm3, %%mm6) // 11 2211 /8 PAVGB(%%mm5, %%mm2) // 11 /2 "movq (%0, %1, 4), %%mm4 \n\t" // 1 PAVGB(%%mm4, %%mm2) // 112 /4 PAVGB(%%mm2, %%mm6) // 112242211 /16 "movq %%mm6, (%0, %1, 4) \n\t" // X // mm0=7(11) mm1=2(11) mm2=3(112) mm3=6(11) mm4=5 mm5=4 mm7=9 PAVGB(%%mm7, %%mm1) // 11 2 /4 PAVGB(%%mm4, %%mm5) // 11 /2 PAVGB(%%mm5, %%mm0) // 11 11 /4 "movq (%%eax, %1, 2), %%mm6 \n\t" // 1 PAVGB(%%mm6, %%mm1) // 11 4 2 /8 PAVGB(%%mm0, %%mm1) // 11224222 /16 "movq %%mm1, (%%eax, %1, 2) \n\t" // X // mm2=3(112) mm3=6(11) mm4=5 mm5=4(11) mm6=6 mm7=9 PAVGB((%%ebx), %%mm2) // 112 4 /8 "movq (%%eax, %1, 4), %%mm0 \n\t" // 1 PAVGB(%%mm0, %%mm6) // 1 1 /2 PAVGB(%%mm7, %%mm6) // 1 12 /4 PAVGB(%%mm2, %%mm6) // 1122424 /4 "movq %%mm6, (%%ebx) \n\t" // X // mm0=8 mm3=6(11) mm4=5 mm5=4(11) mm7=9 PAVGB(%%mm7, %%mm5) // 11 2 /4 PAVGB(%%mm7, %%mm5) // 11 6 /8 PAVGB(%%mm3, %%mm0) // 112 /4 PAVGB(%%mm0, %%mm5) // 112246 /16 "movq %%mm5, (%%eax, %1, 4) \n\t" // X "subl %1, %0 \n\t" : : "r" (src), "r" (stride) : "%eax", "%ebx" ); #else const int l1= stride; const int l2= stride + l1; const int l3= stride + l2; const int l4= stride + l3; const int l5= stride + l4; const int l6= stride + l5; const int l7= stride + l6; const int l8= stride + l7; const int l9= stride + l8; int x; src+= stride*3; for(x=0; x>4; src[l2]= ((src[l2]<<2) + ((first + sums[0] + sums[3])<<1) + sums[5] + 8)>>4; src[l3]= ((src[l3]<<2) + ((first + sums[1] + sums[4])<<1) + sums[6] + 8)>>4; src[l4]= ((src[l4]<<2) + ((sums[2] + sums[5])<<1) + sums[0] + sums[7] + 8)>>4; src[l5]= ((src[l5]<<2) + ((sums[3] + sums[6])<<1) + sums[1] + sums[8] + 8)>>4; src[l6]= ((src[l6]<<2) + ((last + sums[7] + sums[4])<<1) + sums[2] + 8)>>4; src[l7]= (((last + src[l7])<<2) + ((src[l8] + sums[5])<<1) + sums[3] + 8)>>4; src[l8]= ((sums[8]<<2) + ((last + sums[6])<<1) + sums[4] + 8)>>4; src++; } #endif } /** * Experimental implementation of the filter (Algorithm 1) described in a paper from Ramkishor & Karandikar * values are correctly clipped (MMX2) * values are wraparound (C) * conclusion: its fast, but introduces ugly horizontal patterns if there is a continious gradient 0 8 16 24 x = 8 x/2 = 4 x/8 = 1 1 12 12 23 */ static inline void RENAME(vertRK1Filter)(uint8_t *src, int stride, int QP) { #if defined (HAVE_MMX2) || defined (HAVE_3DNOW) src+= stride*3; // FIXME rounding asm volatile( "pxor %%mm7, %%mm7 \n\t" // 0 "movq "MANGLE(b80)", %%mm6 \n\t" // MIN_SIGNED_BYTE "leal (%0, %1), %%eax \n\t" "leal (%%eax, %1, 4), %%ebx \n\t" // 0 1 2 3 4 5 6 7 8 9 // %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 %0+8%1 ebx+4%1 "movq "MANGLE(pQPb)", %%mm0 \n\t" // QP,..., QP "movq %%mm0, %%mm1 \n\t" // QP,..., QP "paddusb "MANGLE(b02)", %%mm0 \n\t" "psrlw $2, %%mm0 \n\t" "pand "MANGLE(b3F)", %%mm0 \n\t" // QP/4,..., QP/4 "paddusb %%mm1, %%mm0 \n\t" // QP*1.25 ... "movq (%0, %1, 4), %%mm2 \n\t" // line 4 "movq (%%ebx), %%mm3 \n\t" // line 5 "movq %%mm2, %%mm4 \n\t" // line 4 "pcmpeqb %%mm5, %%mm5 \n\t" // -1 "pxor %%mm2, %%mm5 \n\t" // -line 4 - 1 PAVGB(%%mm3, %%mm5) "paddb %%mm6, %%mm5 \n\t" // (l5-l4)/2 "psubusb %%mm3, %%mm4 \n\t" "psubusb %%mm2, %%mm3 \n\t" "por %%mm3, %%mm4 \n\t" // |l4 - l5| "psubusb %%mm0, %%mm4 \n\t" "pcmpeqb %%mm7, %%mm4 \n\t" "pand %%mm4, %%mm5 \n\t" // d/2 // "paddb %%mm6, %%mm2 \n\t" // line 4 + 0x80 "paddb %%mm5, %%mm2 \n\t" // "psubb %%mm6, %%mm2 \n\t" "movq %%mm2, (%0,%1, 4) \n\t" "movq (%%ebx), %%mm2 \n\t" // "paddb %%mm6, %%mm2 \n\t" // line 5 + 0x80 "psubb %%mm5, %%mm2 \n\t" // "psubb %%mm6, %%mm2 \n\t" "movq %%mm2, (%%ebx) \n\t" "paddb %%mm6, %%mm5 \n\t" "psrlw $2, %%mm5 \n\t" "pand "MANGLE(b3F)", %%mm5 \n\t" "psubb "MANGLE(b20)", %%mm5 \n\t" // (l5-l4)/8 "movq (%%eax, %1, 2), %%mm2 \n\t" "paddb %%mm6, %%mm2 \n\t" // line 3 + 0x80 "paddsb %%mm5, %%mm2 \n\t" "psubb %%mm6, %%mm2 \n\t" "movq %%mm2, (%%eax, %1, 2) \n\t" "movq (%%ebx, %1), %%mm2 \n\t" "paddb %%mm6, %%mm2 \n\t" // line 6 + 0x80 "psubsb %%mm5, %%mm2 \n\t" "psubb %%mm6, %%mm2 \n\t" "movq %%mm2, (%%ebx, %1) \n\t" : : "r" (src), "r" (stride) : "%eax", "%ebx" ); #else const int l1= stride; const int l2= stride + l1; const int l3= stride + l2; const int l4= stride + l3; const int l5= stride + l4; const int l6= stride + l5; // const int l7= stride + l6; // const int l8= stride + l7; // const int l9= stride + l8; int x; const int QP15= QP + (QP>>2); src+= stride*3; for(x=0; x>3; src[x+l4] +=v>>1; src[x+l5] -=v>>1; src[x+l6] -=v>>3; } } #endif } /** * Experimental Filter 1 * will not damage linear gradients * Flat blocks should look like they where passed through the (1,1,2,2,4,2,2,1,1) 9-Tap filter * can only smooth blocks at the expected locations (it cant smooth them if they did move) * MMX2 version does correct clipping C version doesnt */ static inline void RENAME(vertX1Filter)(uint8_t *src, int stride, int QP) { #if defined (HAVE_MMX2) || defined (HAVE_3DNOW) src+= stride*3; asm volatile( "pxor %%mm7, %%mm7 \n\t" // 0 // "movq "MANGLE(b80)", %%mm6 \n\t" // MIN_SIGNED_BYTE "leal (%0, %1), %%eax \n\t" "leal (%%eax, %1, 4), %%ebx \n\t" // 0 1 2 3 4 5 6 7 8 9 // %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 %0+8%1 ebx+4%1 "movq (%%eax, %1, 2), %%mm0 \n\t" // line 3 "movq (%0, %1, 4), %%mm1 \n\t" // line 4 "movq %%mm1, %%mm2 \n\t" // line 4 "psubusb %%mm0, %%mm1 \n\t" "psubusb %%mm2, %%mm0 \n\t" "por %%mm1, %%mm0 \n\t" // |l2 - l3| "movq (%%ebx), %%mm3 \n\t" // line 5 "movq (%%ebx, %1), %%mm4 \n\t" // line 6 "movq %%mm3, %%mm5 \n\t" // line 5 "psubusb %%mm4, %%mm3 \n\t" "psubusb %%mm5, %%mm4 \n\t" "por %%mm4, %%mm3 \n\t" // |l5 - l6| PAVGB(%%mm3, %%mm0) // (|l2 - l3| + |l5 - l6|)/2 "movq %%mm2, %%mm1 \n\t" // line 4 "psubusb %%mm5, %%mm2 \n\t" "movq %%mm2, %%mm4 \n\t" "pcmpeqb %%mm7, %%mm2 \n\t" // (l4 - l5) <= 0 ? -1 : 0 "psubusb %%mm1, %%mm5 \n\t" "por %%mm5, %%mm4 \n\t" // |l4 - l5| "psubusb %%mm0, %%mm4 \n\t" //d = MAX(0, |l4-l5| - (|l2-l3| + |l5-l6|)/2) "movq %%mm4, %%mm3 \n\t" // d "psubusb "MANGLE(pQPb)", %%mm4 \n\t" "pcmpeqb %%mm7, %%mm4 \n\t" // d <= QP ? -1 : 0 "psubusb "MANGLE(b01)", %%mm3 \n\t" "pand %%mm4, %%mm3 \n\t" // d <= QP ? d : 0 PAVGB(%%mm7, %%mm3) // d/2 "movq %%mm3, %%mm1 \n\t" // d/2 PAVGB(%%mm7, %%mm3) // d/4 PAVGB(%%mm1, %%mm3) // 3*d/8 "movq (%0, %1, 4), %%mm0 \n\t" // line 4 "pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l4-1 : l4 "psubusb %%mm3, %%mm0 \n\t" "pxor %%mm2, %%mm0 \n\t" "movq %%mm0, (%0, %1, 4) \n\t" // line 4 "movq (%%ebx), %%mm0 \n\t" // line 5 "pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l5-1 : l5 "paddusb %%mm3, %%mm0 \n\t" "pxor %%mm2, %%mm0 \n\t" "movq %%mm0, (%%ebx) \n\t" // line 5 PAVGB(%%mm7, %%mm1) // d/4 "movq (%%eax, %1, 2), %%mm0 \n\t" // line 3 "pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l4-1 : l4 "psubusb %%mm1, %%mm0 \n\t" "pxor %%mm2, %%mm0 \n\t" "movq %%mm0, (%%eax, %1, 2) \n\t" // line 3 "movq (%%ebx, %1), %%mm0 \n\t" // line 6 "pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l5-1 : l5 "paddusb %%mm1, %%mm0 \n\t" "pxor %%mm2, %%mm0 \n\t" "movq %%mm0, (%%ebx, %1) \n\t" // line 6 PAVGB(%%mm7, %%mm1) // d/8 "movq (%%eax, %1), %%mm0 \n\t" // line 2 "pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l2-1 : l2 "psubusb %%mm1, %%mm0 \n\t" "pxor %%mm2, %%mm0 \n\t" "movq %%mm0, (%%eax, %1) \n\t" // line 2 "movq (%%ebx, %1, 2), %%mm0 \n\t" // line 7 "pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l7-1 : l7 "paddusb %%mm1, %%mm0 \n\t" "pxor %%mm2, %%mm0 \n\t" "movq %%mm0, (%%ebx, %1, 2) \n\t" // line 7 : : "r" (src), "r" (stride) : "%eax", "%ebx" ); #else const int l1= stride; const int l2= stride + l1; const int l3= stride + l2; const int l4= stride + l3; const int l5= stride + l4; const int l6= stride + l5; const int l7= stride + l6; // const int l8= stride + l7; // const int l9= stride + l8; int x; src+= stride*3; for(x=0; x>1); d= MAX(d, 0); if(d < QP) { int v = d * SIGN(-b); src[l2] +=v>>3; src[l3] +=v>>2; src[l4] +=(3*v)>>3; src[l5] -=(3*v)>>3; src[l6] -=v>>2; src[l7] -=v>>3; } src++; } /* const int l1= stride; const int l2= stride + l1; const int l3= stride + l2; const int l4= stride + l3; const int l5= stride + l4; const int l6= stride + l5; const int l7= stride + l6; const int l8= stride + l7; const int l9= stride + l8; for(int x=0; x0 ) { src[l3] = (6*v2 + 4*v3 + 3*v4 + 2*v5 + v6 )/16; src[l4] = (3*v2 + 3*v3 + 4*v4 + 3*v5 + 2*v6 + v7 )/16; src[l5] = (1*v2 + 2*v3 + 3*v4 + 4*v5 + 3*v6 + 3*v7)/16; src[l6] = ( 1*v3 + 2*v4 + 3*v5 + 4*v6 + 6*v7)/16; } src++; } */ #endif } static inline void RENAME(doVertDefFilter)(uint8_t src[], int stride, int QP) { #if defined (HAVE_MMX2) || defined (HAVE_3DNOW) /* uint8_t tmp[16]; const int l1= stride; const int l2= stride + l1; const int l3= stride + l2; const int l4= (int)tmp - (int)src - stride*3; const int l5= (int)tmp - (int)src - stride*3 + 8; const int l6= stride*3 + l3; const int l7= stride + l6; const int l8= stride + l7; memcpy(tmp, src+stride*7, 8); memcpy(tmp+8, src+stride*8, 8); */ src+= stride*4; asm volatile( #if 0 //sligtly more accurate and slightly slower "pxor %%mm7, %%mm7 \n\t" // 0 "leal (%0, %1), %%eax \n\t" "leal (%%eax, %1, 4), %%ebx \n\t" // 0 1 2 3 4 5 6 7 // %0 %0+%1 %0+2%1 eax+2%1 %0+4%1 eax+4%1 ebx+%1 ebx+2%1 // %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 "movq (%0, %1, 2), %%mm0 \n\t" // l2 "movq (%0), %%mm1 \n\t" // l0 "movq %%mm0, %%mm2 \n\t" // l2 PAVGB(%%mm7, %%mm0) // ~l2/2 PAVGB(%%mm1, %%mm0) // ~(l2 + 2l0)/4 PAVGB(%%mm2, %%mm0) // ~(5l2 + 2l0)/8 "movq (%%eax), %%mm1 \n\t" // l1 "movq (%%eax, %1, 2), %%mm3 \n\t" // l3 "movq %%mm1, %%mm4 \n\t" // l1 PAVGB(%%mm7, %%mm1) // ~l1/2 PAVGB(%%mm3, %%mm1) // ~(l1 + 2l3)/4 PAVGB(%%mm4, %%mm1) // ~(5l1 + 2l3)/8 "movq %%mm0, %%mm4 \n\t" // ~(5l2 + 2l0)/8 "psubusb %%mm1, %%mm0 \n\t" "psubusb %%mm4, %%mm1 \n\t" "por %%mm0, %%mm1 \n\t" // ~|2l0 - 5l1 + 5l2 - 2l3|/8 // mm1= |lenergy|, mm2= l2, mm3= l3, mm7=0 "movq (%0, %1, 4), %%mm0 \n\t" // l4 "movq %%mm0, %%mm4 \n\t" // l4 PAVGB(%%mm7, %%mm0) // ~l4/2 PAVGB(%%mm2, %%mm0) // ~(l4 + 2l2)/4 PAVGB(%%mm4, %%mm0) // ~(5l4 + 2l2)/8 "movq (%%ebx), %%mm2 \n\t" // l5 "movq %%mm3, %%mm5 \n\t" // l3 PAVGB(%%mm7, %%mm3) // ~l3/2 PAVGB(%%mm2, %%mm3) // ~(l3 + 2l5)/4 PAVGB(%%mm5, %%mm3) // ~(5l3 + 2l5)/8 "movq %%mm0, %%mm6 \n\t" // ~(5l4 + 2l2)/8 "psubusb %%mm3, %%mm0 \n\t" "psubusb %%mm6, %%mm3 \n\t" "por %%mm0, %%mm3 \n\t" // ~|2l2 - 5l3 + 5l4 - 2l5|/8 "pcmpeqb %%mm7, %%mm0 \n\t" // SIGN(2l2 - 5l3 + 5l4 - 2l5) // mm0= SIGN(menergy), mm1= |lenergy|, mm2= l5, mm3= |menergy|, mm4=l4, mm5= l3, mm7=0 "movq (%%ebx, %1), %%mm6 \n\t" // l6 "movq %%mm6, %%mm5 \n\t" // l6 PAVGB(%%mm7, %%mm6) // ~l6/2 PAVGB(%%mm4, %%mm6) // ~(l6 + 2l4)/4 PAVGB(%%mm5, %%mm6) // ~(5l6 + 2l4)/8 "movq (%%ebx, %1, 2), %%mm5 \n\t" // l7 "movq %%mm2, %%mm4 \n\t" // l5 PAVGB(%%mm7, %%mm2) // ~l5/2 PAVGB(%%mm5, %%mm2) // ~(l5 + 2l7)/4 PAVGB(%%mm4, %%mm2) // ~(5l5 + 2l7)/8 "movq %%mm6, %%mm4 \n\t" // ~(5l6 + 2l4)/8 "psubusb %%mm2, %%mm6 \n\t" "psubusb %%mm4, %%mm2 \n\t" "por %%mm6, %%mm2 \n\t" // ~|2l4 - 5l5 + 5l6 - 2l7|/8 // mm0= SIGN(menergy), mm1= |lenergy|/8, mm2= |renergy|/8, mm3= |menergy|/8, mm7=0 PMINUB(%%mm2, %%mm1, %%mm4) // MIN(|lenergy|,|renergy|)/8 "movq "MANGLE(pQPb)", %%mm4 \n\t" // QP //FIXME QP+1 ? "paddusb "MANGLE(b01)", %%mm4 \n\t" "pcmpgtb %%mm3, %%mm4 \n\t" // |menergy|/8 < QP "psubusb %%mm1, %%mm3 \n\t" // d=|menergy|/8-MIN(|lenergy|,|renergy|)/8 "pand %%mm4, %%mm3 \n\t" "movq %%mm3, %%mm1 \n\t" // "psubusb "MANGLE(b01)", %%mm3 \n\t" PAVGB(%%mm7, %%mm3) PAVGB(%%mm7, %%mm3) "paddusb %%mm1, %%mm3 \n\t" // "paddusb "MANGLE(b01)", %%mm3 \n\t" "movq (%%eax, %1, 2), %%mm6 \n\t" //l3 "movq (%0, %1, 4), %%mm5 \n\t" //l4 "movq (%0, %1, 4), %%mm4 \n\t" //l4 "psubusb %%mm6, %%mm5 \n\t" "psubusb %%mm4, %%mm6 \n\t" "por %%mm6, %%mm5 \n\t" // |l3-l4| "pcmpeqb %%mm7, %%mm6 \n\t" // SIGN(l3-l4) "pxor %%mm6, %%mm0 \n\t" "pand %%mm0, %%mm3 \n\t" PMINUB(%%mm5, %%mm3, %%mm0) "psubusb "MANGLE(b01)", %%mm3 \n\t" PAVGB(%%mm7, %%mm3) "movq (%%eax, %1, 2), %%mm0 \n\t" "movq (%0, %1, 4), %%mm2 \n\t" "pxor %%mm6, %%mm0 \n\t" "pxor %%mm6, %%mm2 \n\t" "psubb %%mm3, %%mm0 \n\t" "paddb %%mm3, %%mm2 \n\t" "pxor %%mm6, %%mm0 \n\t" "pxor %%mm6, %%mm2 \n\t" "movq %%mm0, (%%eax, %1, 2) \n\t" "movq %%mm2, (%0, %1, 4) \n\t" #endif "leal (%0, %1), %%eax \n\t" "pcmpeqb %%mm6, %%mm6 \n\t" // -1 // 0 1 2 3 4 5 6 7 // %0 %0+%1 %0+2%1 eax+2%1 %0+4%1 eax+4%1 ebx+%1 ebx+2%1 // %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 "movq (%%eax, %1, 2), %%mm1 \n\t" // l3 "movq (%0, %1, 4), %%mm0 \n\t" // l4 "pxor %%mm6, %%mm1 \n\t" // -l3-1 PAVGB(%%mm1, %%mm0) // -q+128 = (l4-l3+256)/2 // mm1=-l3-1, mm0=128-q "movq (%%eax, %1, 4), %%mm2 \n\t" // l5 "movq (%%eax, %1), %%mm3 \n\t" // l2 "pxor %%mm6, %%mm2 \n\t" // -l5-1 "movq %%mm2, %%mm5 \n\t" // -l5-1 "movq "MANGLE(b80)", %%mm4 \n\t" // 128 "leal (%%eax, %1, 4), %%ebx \n\t" PAVGB(%%mm3, %%mm2) // (l2-l5+256)/2 PAVGB(%%mm0, %%mm4) // ~(l4-l3)/4 + 128 PAVGB(%%mm2, %%mm4) // ~(l2-l5)/4 +(l4-l3)/8 + 128 PAVGB(%%mm0, %%mm4) // ~(l2-l5)/8 +5(l4-l3)/16 + 128 // mm1=-l3-1, mm0=128-q, mm3=l2, mm4=menergy/16 + 128, mm5= -l5-1 "movq (%%eax), %%mm2 \n\t" // l1 "pxor %%mm6, %%mm2 \n\t" // -l1-1 PAVGB(%%mm3, %%mm2) // (l2-l1+256)/2 PAVGB((%0), %%mm1) // (l0-l3+256)/2 "movq "MANGLE(b80)", %%mm3 \n\t" // 128 PAVGB(%%mm2, %%mm3) // ~(l2-l1)/4 + 128 PAVGB(%%mm1, %%mm3) // ~(l0-l3)/4 +(l2-l1)/8 + 128 PAVGB(%%mm2, %%mm3) // ~(l0-l3)/8 +5(l2-l1)/16 + 128 // mm0=128-q, mm3=lenergy/16 + 128, mm4= menergy/16 + 128, mm5= -l5-1 PAVGB((%%ebx, %1), %%mm5) // (l6-l5+256)/2 "movq (%%ebx, %1, 2), %%mm1 \n\t" // l7 "pxor %%mm6, %%mm1 \n\t" // -l7-1 PAVGB((%0, %1, 4), %%mm1) // (l4-l7+256)/2 "movq "MANGLE(b80)", %%mm2 \n\t" // 128 PAVGB(%%mm5, %%mm2) // ~(l6-l5)/4 + 128 PAVGB(%%mm1, %%mm2) // ~(l4-l7)/4 +(l6-l5)/8 + 128 PAVGB(%%mm5, %%mm2) // ~(l4-l7)/8 +5(l6-l5)/16 + 128 // mm0=128-q, mm2=renergy/16 + 128, mm3=lenergy/16 + 128, mm4= menergy/16 + 128 "movq "MANGLE(b00)", %%mm1 \n\t" // 0 "movq "MANGLE(b00)", %%mm5 \n\t" // 0 "psubb %%mm2, %%mm1 \n\t" // 128 - renergy/16 "psubb %%mm3, %%mm5 \n\t" // 128 - lenergy/16 PMAXUB(%%mm1, %%mm2) // 128 + |renergy/16| PMAXUB(%%mm5, %%mm3) // 128 + |lenergy/16| PMINUB(%%mm2, %%mm3, %%mm1) // 128 + MIN(|lenergy|,|renergy|)/16 // mm0=128-q, mm3=128 + MIN(|lenergy|,|renergy|)/16, mm4= menergy/16 + 128 "movq "MANGLE(b00)", %%mm7 \n\t" // 0 "movq "MANGLE(pQPb)", %%mm2 \n\t" // QP PAVGB(%%mm6, %%mm2) // 128 + QP/2 "psubb %%mm6, %%mm2 \n\t" "movq %%mm4, %%mm1 \n\t" "pcmpgtb %%mm7, %%mm1 \n\t" // SIGN(menergy) "pxor %%mm1, %%mm4 \n\t" "psubb %%mm1, %%mm4 \n\t" // 128 + |menergy|/16 "pcmpgtb %%mm4, %%mm2 \n\t" // |menergy|/16 < QP/2 "psubusb %%mm3, %%mm4 \n\t" //d=|menergy|/16 - MIN(|lenergy|,|renergy|)/16 // mm0=128-q, mm1= SIGN(menergy), mm2= |menergy|/16 < QP/2, mm4= d/16 "movq %%mm4, %%mm3 \n\t" // d "psubusb "MANGLE(b01)", %%mm4 \n\t" PAVGB(%%mm7, %%mm4) // d/32 PAVGB(%%mm7, %%mm4) // (d + 32)/64 "paddb %%mm3, %%mm4 \n\t" // 5d/64 "pand %%mm2, %%mm4 \n\t" "movq "MANGLE(b80)", %%mm5 \n\t" // 128 "psubb %%mm0, %%mm5 \n\t" // q "paddsb %%mm6, %%mm5 \n\t" // fix bad rounding "pcmpgtb %%mm5, %%mm7 \n\t" // SIGN(q) "pxor %%mm7, %%mm5 \n\t" PMINUB(%%mm5, %%mm4, %%mm3) // MIN(|q|, 5d/64) "pxor %%mm1, %%mm7 \n\t" // SIGN(d*q) "pand %%mm7, %%mm4 \n\t" "movq (%%eax, %1, 2), %%mm0 \n\t" "movq (%0, %1, 4), %%mm2 \n\t" "pxor %%mm1, %%mm0 \n\t" "pxor %%mm1, %%mm2 \n\t" "paddb %%mm4, %%mm0 \n\t" "psubb %%mm4, %%mm2 \n\t" "pxor %%mm1, %%mm0 \n\t" "pxor %%mm1, %%mm2 \n\t" "movq %%mm0, (%%eax, %1, 2) \n\t" "movq %%mm2, (%0, %1, 4) \n\t" : : "r" (src), "r" (stride) : "%eax", "%ebx" ); /* { int x; src-= stride; for(x=0; x> 6; d*= SIGN(-middleEnergy); if(q>0) { d= d<0 ? 0 : d; d= d>q ? q : d; } else { d= d>0 ? 0 : d; d= d3 ? 1 : 0; if(ad>3) { src[0] = src[7] = src[stride*7] = src[(stride+1)*7]=255; } if(y==4) bias+=d; num++; if(num%1000000 == 0) { printf(" %d %d %d %d\n", num, sum, max, bias); } } } } */ #elif defined (HAVE_MMX) src+= stride*4; asm volatile( "pxor %%mm7, %%mm7 \n\t" "leal (%0, %1), %%eax \n\t" "leal (%%eax, %1, 4), %%ebx \n\t" // 0 1 2 3 4 5 6 7 // %0 %0+%1 %0+2%1 eax+2%1 %0+4%1 eax+4%1 ebx+%1 ebx+2%1 // %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 "movq (%0), %%mm0 \n\t" "movq %%mm0, %%mm1 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" // low part of line 0 "punpckhbw %%mm7, %%mm1 \n\t" // high part of line 0 "movq (%%eax), %%mm2 \n\t" "movq %%mm2, %%mm3 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" // low part of line 1 "punpckhbw %%mm7, %%mm3 \n\t" // high part of line 1 "movq (%%eax, %1), %%mm4 \n\t" "movq %%mm4, %%mm5 \n\t" "punpcklbw %%mm7, %%mm4 \n\t" // low part of line 2 "punpckhbw %%mm7, %%mm5 \n\t" // high part of line 2 "paddw %%mm0, %%mm0 \n\t" // 2L0 "paddw %%mm1, %%mm1 \n\t" // 2H0 "psubw %%mm4, %%mm2 \n\t" // L1 - L2 "psubw %%mm5, %%mm3 \n\t" // H1 - H2 "psubw %%mm2, %%mm0 \n\t" // 2L0 - L1 + L2 "psubw %%mm3, %%mm1 \n\t" // 2H0 - H1 + H2 "psllw $2, %%mm2 \n\t" // 4L1 - 4L2 "psllw $2, %%mm3 \n\t" // 4H1 - 4H2 "psubw %%mm2, %%mm0 \n\t" // 2L0 - 5L1 + 5L2 "psubw %%mm3, %%mm1 \n\t" // 2H0 - 5H1 + 5H2 "movq (%%eax, %1, 2), %%mm2 \n\t" "movq %%mm2, %%mm3 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" // L3 "punpckhbw %%mm7, %%mm3 \n\t" // H3 "psubw %%mm2, %%mm0 \n\t" // 2L0 - 5L1 + 5L2 - L3 "psubw %%mm3, %%mm1 \n\t" // 2H0 - 5H1 + 5H2 - H3 "psubw %%mm2, %%mm0 \n\t" // 2L0 - 5L1 + 5L2 - 2L3 "psubw %%mm3, %%mm1 \n\t" // 2H0 - 5H1 + 5H2 - 2H3 "movq %%mm0, "MANGLE(temp0)" \n\t" // 2L0 - 5L1 + 5L2 - 2L3 "movq %%mm1, "MANGLE(temp1)" \n\t" // 2H0 - 5H1 + 5H2 - 2H3 "movq (%0, %1, 4), %%mm0 \n\t" "movq %%mm0, %%mm1 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" // L4 "punpckhbw %%mm7, %%mm1 \n\t" // H4 "psubw %%mm0, %%mm2 \n\t" // L3 - L4 "psubw %%mm1, %%mm3 \n\t" // H3 - H4 "movq %%mm2, "MANGLE(temp2)" \n\t" // L3 - L4 "movq %%mm3, "MANGLE(temp3)" \n\t" // H3 - H4 "paddw %%mm4, %%mm4 \n\t" // 2L2 "paddw %%mm5, %%mm5 \n\t" // 2H2 "psubw %%mm2, %%mm4 \n\t" // 2L2 - L3 + L4 "psubw %%mm3, %%mm5 \n\t" // 2H2 - H3 + H4 "psllw $2, %%mm2 \n\t" // 4L3 - 4L4 "psllw $2, %%mm3 \n\t" // 4H3 - 4H4 "psubw %%mm2, %%mm4 \n\t" // 2L2 - 5L3 + 5L4 "psubw %%mm3, %%mm5 \n\t" // 2H2 - 5H3 + 5H4 //50 opcodes so far "movq (%%ebx), %%mm2 \n\t" "movq %%mm2, %%mm3 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" // L5 "punpckhbw %%mm7, %%mm3 \n\t" // H5 "psubw %%mm2, %%mm4 \n\t" // 2L2 - 5L3 + 5L4 - L5 "psubw %%mm3, %%mm5 \n\t" // 2H2 - 5H3 + 5H4 - H5 "psubw %%mm2, %%mm4 \n\t" // 2L2 - 5L3 + 5L4 - 2L5 "psubw %%mm3, %%mm5 \n\t" // 2H2 - 5H3 + 5H4 - 2H5 "movq (%%ebx, %1), %%mm6 \n\t" "punpcklbw %%mm7, %%mm6 \n\t" // L6 "psubw %%mm6, %%mm2 \n\t" // L5 - L6 "movq (%%ebx, %1), %%mm6 \n\t" "punpckhbw %%mm7, %%mm6 \n\t" // H6 "psubw %%mm6, %%mm3 \n\t" // H5 - H6 "paddw %%mm0, %%mm0 \n\t" // 2L4 "paddw %%mm1, %%mm1 \n\t" // 2H4 "psubw %%mm2, %%mm0 \n\t" // 2L4 - L5 + L6 "psubw %%mm3, %%mm1 \n\t" // 2H4 - H5 + H6 "psllw $2, %%mm2 \n\t" // 4L5 - 4L6 "psllw $2, %%mm3 \n\t" // 4H5 - 4H6 "psubw %%mm2, %%mm0 \n\t" // 2L4 - 5L5 + 5L6 "psubw %%mm3, %%mm1 \n\t" // 2H4 - 5H5 + 5H6 "movq (%%ebx, %1, 2), %%mm2 \n\t" "movq %%mm2, %%mm3 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" // L7 "punpckhbw %%mm7, %%mm3 \n\t" // H7 "paddw %%mm2, %%mm2 \n\t" // 2L7 "paddw %%mm3, %%mm3 \n\t" // 2H7 "psubw %%mm2, %%mm0 \n\t" // 2L4 - 5L5 + 5L6 - 2L7 "psubw %%mm3, %%mm1 \n\t" // 2H4 - 5H5 + 5H6 - 2H7 "movq "MANGLE(temp0)", %%mm2 \n\t" // 2L0 - 5L1 + 5L2 - 2L3 "movq "MANGLE(temp1)", %%mm3 \n\t" // 2H0 - 5H1 + 5H2 - 2H3 #ifdef HAVE_MMX2 "movq %%mm7, %%mm6 \n\t" // 0 "psubw %%mm0, %%mm6 \n\t" "pmaxsw %%mm6, %%mm0 \n\t" // |2L4 - 5L5 + 5L6 - 2L7| "movq %%mm7, %%mm6 \n\t" // 0 "psubw %%mm1, %%mm6 \n\t" "pmaxsw %%mm6, %%mm1 \n\t" // |2H4 - 5H5 + 5H6 - 2H7| "movq %%mm7, %%mm6 \n\t" // 0 "psubw %%mm2, %%mm6 \n\t" "pmaxsw %%mm6, %%mm2 \n\t" // |2L0 - 5L1 + 5L2 - 2L3| "movq %%mm7, %%mm6 \n\t" // 0 "psubw %%mm3, %%mm6 \n\t" "pmaxsw %%mm6, %%mm3 \n\t" // |2H0 - 5H1 + 5H2 - 2H3| #else "movq %%mm7, %%mm6 \n\t" // 0 "pcmpgtw %%mm0, %%mm6 \n\t" "pxor %%mm6, %%mm0 \n\t" "psubw %%mm6, %%mm0 \n\t" // |2L4 - 5L5 + 5L6 - 2L7| "movq %%mm7, %%mm6 \n\t" // 0 "pcmpgtw %%mm1, %%mm6 \n\t" "pxor %%mm6, %%mm1 \n\t" "psubw %%mm6, %%mm1 \n\t" // |2H4 - 5H5 + 5H6 - 2H7| "movq %%mm7, %%mm6 \n\t" // 0 "pcmpgtw %%mm2, %%mm6 \n\t" "pxor %%mm6, %%mm2 \n\t" "psubw %%mm6, %%mm2 \n\t" // |2L0 - 5L1 + 5L2 - 2L3| "movq %%mm7, %%mm6 \n\t" // 0 "pcmpgtw %%mm3, %%mm6 \n\t" "pxor %%mm6, %%mm3 \n\t" "psubw %%mm6, %%mm3 \n\t" // |2H0 - 5H1 + 5H2 - 2H3| #endif #ifdef HAVE_MMX2 "pminsw %%mm2, %%mm0 \n\t" "pminsw %%mm3, %%mm1 \n\t" #else "movq %%mm0, %%mm6 \n\t" "psubusw %%mm2, %%mm6 \n\t" "psubw %%mm6, %%mm0 \n\t" "movq %%mm1, %%mm6 \n\t" "psubusw %%mm3, %%mm6 \n\t" "psubw %%mm6, %%mm1 \n\t" #endif "movq %%mm7, %%mm6 \n\t" // 0 "pcmpgtw %%mm4, %%mm6 \n\t" // sign(2L2 - 5L3 + 5L4 - 2L5) "pxor %%mm6, %%mm4 \n\t" "psubw %%mm6, %%mm4 \n\t" // |2L2 - 5L3 + 5L4 - 2L5| "pcmpgtw %%mm5, %%mm7 \n\t" // sign(2H2 - 5H3 + 5H4 - 2H5) "pxor %%mm7, %%mm5 \n\t" "psubw %%mm7, %%mm5 \n\t" // |2H2 - 5H3 + 5H4 - 2H5| // 100 opcodes "movd %2, %%mm2 \n\t" // QP "punpcklwd %%mm2, %%mm2 \n\t" "punpcklwd %%mm2, %%mm2 \n\t" "psllw $3, %%mm2 \n\t" // 8QP "movq %%mm2, %%mm3 \n\t" // 8QP "pcmpgtw %%mm4, %%mm2 \n\t" "pcmpgtw %%mm5, %%mm3 \n\t" "pand %%mm2, %%mm4 \n\t" "pand %%mm3, %%mm5 \n\t" "psubusw %%mm0, %%mm4 \n\t" // hd "psubusw %%mm1, %%mm5 \n\t" // ld "movq "MANGLE(w05)", %%mm2 \n\t" // 5 "pmullw %%mm2, %%mm4 \n\t" "pmullw %%mm2, %%mm5 \n\t" "movq "MANGLE(w20)", %%mm2 \n\t" // 32 "paddw %%mm2, %%mm4 \n\t" "paddw %%mm2, %%mm5 \n\t" "psrlw $6, %%mm4 \n\t" "psrlw $6, %%mm5 \n\t" /* "movq w06, %%mm2 \n\t" // 6 "paddw %%mm2, %%mm4 \n\t" "paddw %%mm2, %%mm5 \n\t" "movq w1400, %%mm2 \n\t" // 1400h = 5120 = 5/64*2^16 //FIXME if *5/64 is supposed to be /13 then we should use 5041 instead of 5120 "pmulhw %%mm2, %%mm4 \n\t" // hd/13 "pmulhw %%mm2, %%mm5 \n\t" // ld/13 */ "movq "MANGLE(temp2)", %%mm0 \n\t" // L3 - L4 "movq "MANGLE(temp3)", %%mm1 \n\t" // H3 - H4 "pxor %%mm2, %%mm2 \n\t" "pxor %%mm3, %%mm3 \n\t" "pcmpgtw %%mm0, %%mm2 \n\t" // sign (L3-L4) "pcmpgtw %%mm1, %%mm3 \n\t" // sign (H3-H4) "pxor %%mm2, %%mm0 \n\t" "pxor %%mm3, %%mm1 \n\t" "psubw %%mm2, %%mm0 \n\t" // |L3-L4| "psubw %%mm3, %%mm1 \n\t" // |H3-H4| "psrlw $1, %%mm0 \n\t" // |L3 - L4|/2 "psrlw $1, %%mm1 \n\t" // |H3 - H4|/2 "pxor %%mm6, %%mm2 \n\t" "pxor %%mm7, %%mm3 \n\t" "pand %%mm2, %%mm4 \n\t" "pand %%mm3, %%mm5 \n\t" #ifdef HAVE_MMX2 "pminsw %%mm0, %%mm4 \n\t" "pminsw %%mm1, %%mm5 \n\t" #else "movq %%mm4, %%mm2 \n\t" "psubusw %%mm0, %%mm2 \n\t" "psubw %%mm2, %%mm4 \n\t" "movq %%mm5, %%mm2 \n\t" "psubusw %%mm1, %%mm2 \n\t" "psubw %%mm2, %%mm5 \n\t" #endif "pxor %%mm6, %%mm4 \n\t" "pxor %%mm7, %%mm5 \n\t" "psubw %%mm6, %%mm4 \n\t" "psubw %%mm7, %%mm5 \n\t" "packsswb %%mm5, %%mm4 \n\t" "movq (%%eax, %1, 2), %%mm0 \n\t" "paddb %%mm4, %%mm0 \n\t" "movq %%mm0, (%%eax, %1, 2) \n\t" "movq (%0, %1, 4), %%mm0 \n\t" "psubb %%mm4, %%mm0 \n\t" "movq %%mm0, (%0, %1, 4) \n\t" : : "r" (src), "r" (stride), "r" (QP) : "%eax", "%ebx" ); #else const int l1= stride; const int l2= stride + l1; const int l3= stride + l2; const int l4= stride + l3; const int l5= stride + l4; const int l6= stride + l5; const int l7= stride + l6; const int l8= stride + l7; // const int l9= stride + l8; int x; src+= stride*3; for(x=0; x> 6; d*= SIGN(-middleEnergy); if(q>0) { d= d<0 ? 0 : d; d= d>q ? q : d; } else { d= d>0 ? 0 : d; d= d a ? 0 : -1 "pcmpeqb "MANGLE(b00)", %%mm2 \n\t" // L20 > a ? 0 : -1 "pcmpeqb "MANGLE(b00)", %%mm3 \n\t" // L00 > a ? 0 : -1 "paddb %%mm2, %%mm0 \n\t" "paddb %%mm3, %%mm0 \n\t" "movq (%%eax), %%mm2 \n\t" // L11 "movq %%mm2, %%mm3 \n\t" // L11 "movq %%mm2, %%mm4 \n\t" // L11 "psllq $8, %%mm3 \n\t" "psrlq $8, %%mm4 \n\t" "movd -4(%%eax), %%mm5 \n\t" "movd 8(%%eax), %%mm6 \n\t" "psrlq $24, %%mm5 \n\t" "psllq $56, %%mm6 \n\t" "por %%mm5, %%mm3 \n\t" // L01 "por %%mm6, %%mm4 \n\t" // L21 "movq %%mm3, %%mm5 \n\t" // L01 PAVGB(%%mm4, %%mm3) // (L21 + L01)/2 PAVGB(%%mm2, %%mm3) // (L21 + L01 + 2L11)/4 "psubusb %%mm7, %%mm2 \n\t" "psubusb %%mm7, %%mm4 \n\t" "psubusb %%mm7, %%mm5 \n\t" "pcmpeqb "MANGLE(b00)", %%mm2 \n\t" // L11 > a ? 0 : -1 "pcmpeqb "MANGLE(b00)", %%mm4 \n\t" // L21 > a ? 0 : -1 "pcmpeqb "MANGLE(b00)", %%mm5 \n\t" // L01 > a ? 0 : -1 "paddb %%mm4, %%mm2 \n\t" "paddb %%mm5, %%mm2 \n\t" // 0, 2, 3, 1 #define DERING_CORE(dst,src,ppsx,psx,sx,pplx,plx,lx,t0,t1) \ "movq " #src ", " #sx " \n\t" /* src[0] */\ "movq " #sx ", " #lx " \n\t" /* src[0] */\ "movq " #sx ", " #t0 " \n\t" /* src[0] */\ "psllq $8, " #lx " \n\t"\ "psrlq $8, " #t0 " \n\t"\ "movd -4" #src ", " #t1 " \n\t"\ "psrlq $24, " #t1 " \n\t"\ "por " #t1 ", " #lx " \n\t" /* src[-1] */\ "movd 8" #src ", " #t1 " \n\t"\ "psllq $56, " #t1 " \n\t"\ "por " #t1 ", " #t0 " \n\t" /* src[+1] */\ "movq " #lx ", " #t1 " \n\t" /* src[-1] */\ PAVGB(t0, lx) /* (src[-1] + src[+1])/2 */\ PAVGB(sx, lx) /* (src[-1] + 2src[0] + src[+1])/4 */\ PAVGB(lx, pplx) \ "movq " #lx ", "MANGLE(temp1)" \n\t"\ "movq "MANGLE(temp0)", " #lx " \n\t"\ "psubusb " #lx ", " #t1 " \n\t"\ "psubusb " #lx ", " #t0 " \n\t"\ "psubusb " #lx ", " #sx " \n\t"\ "movq "MANGLE(b00)", " #lx " \n\t"\ "pcmpeqb " #lx ", " #t1 " \n\t" /* src[-1] > a ? 0 : -1*/\ "pcmpeqb " #lx ", " #t0 " \n\t" /* src[+1] > a ? 0 : -1*/\ "pcmpeqb " #lx ", " #sx " \n\t" /* src[0] > a ? 0 : -1*/\ "paddb " #t1 ", " #t0 " \n\t"\ "paddb " #t0 ", " #sx " \n\t"\ \ PAVGB(plx, pplx) /* filtered */\ "movq " #dst ", " #t0 " \n\t" /* dst */\ "movq " #t0 ", " #t1 " \n\t" /* dst */\ "psubusb "MANGLE(pQPb2)", " #t0 " \n\t"\ "paddusb "MANGLE(pQPb2)", " #t1 " \n\t"\ PMAXUB(t0, pplx)\ PMINUB(t1, pplx, t0)\ "paddb " #sx ", " #ppsx " \n\t"\ "paddb " #psx ", " #ppsx " \n\t"\ "#paddb "MANGLE(b02)", " #ppsx " \n\t"\ "pand "MANGLE(b08)", " #ppsx " \n\t"\ "pcmpeqb " #lx ", " #ppsx " \n\t"\ "pand " #ppsx ", " #pplx " \n\t"\ "pandn " #dst ", " #ppsx " \n\t"\ "por " #pplx ", " #ppsx " \n\t"\ "movq " #ppsx ", " #dst " \n\t"\ "movq "MANGLE(temp1)", " #lx " \n\t" /* 0000000 1111111 1111110 1111101 1111100 1111011 1111010 1111001 1111000 1110111 */ //DERING_CORE(dst,src ,ppsx ,psx ,sx ,pplx ,plx ,lx ,t0 ,t1) DERING_CORE((%%eax),(%%eax, %1) ,%%mm0,%%mm2,%%mm4,%%mm1,%%mm3,%%mm5,%%mm6,%%mm7) DERING_CORE((%%eax, %1),(%%eax, %1, 2) ,%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,%%mm6,%%mm7) DERING_CORE((%%eax, %1, 2),(%0, %1, 4) ,%%mm4,%%mm0,%%mm2,%%mm5,%%mm1,%%mm3,%%mm6,%%mm7) DERING_CORE((%0, %1, 4),(%%ebx) ,%%mm0,%%mm2,%%mm4,%%mm1,%%mm3,%%mm5,%%mm6,%%mm7) DERING_CORE((%%ebx),(%%ebx, %1) ,%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,%%mm6,%%mm7) DERING_CORE((%%ebx, %1), (%%ebx, %1, 2),%%mm4,%%mm0,%%mm2,%%mm5,%%mm1,%%mm3,%%mm6,%%mm7) DERING_CORE((%%ebx, %1, 2),(%0, %1, 8) ,%%mm0,%%mm2,%%mm4,%%mm1,%%mm3,%%mm5,%%mm6,%%mm7) DERING_CORE((%0, %1, 8),(%%ebx, %1, 4) ,%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,%%mm6,%%mm7) "1: \n\t" : : "r" (src), "r" (stride), "r" (QP) : "%eax", "%ebx", "%ecx" ); #else int y; int min=255; int max=0; int avg; uint8_t *p; int s[10]; for(y=1; y<9; y++) { int x; p= src + stride*y; for(x=1; x<9; x++) { p++; if(*p > max) max= *p; if(*p < min) min= *p; } } avg= (min + max + 1)/2; if(max - min avg) t |= (1<>1); s[y] = t; } for(y=1; y<9; y++) { int x; int t = s[y-1] & s[y] & s[y+1]; t|= t>>16; p= src + stride*y; for(x=1; x<9; x++) { p++; if(t & (1<>4; #ifdef DEBUG_DERING_THRESHOLD asm volatile("emms\n\t":); { static long long numPixels=0; if(x!=1 && x!=8 && y!=1 && y!=8) numPixels++; // if((max-min)<20 || (max-min)*QP<200) // if((max-min)*QP < 500) // if(max-min worstDiff) { worstDiff= absDiff; worstQP= QP; worstRange= max-min; } errorSum+= error; if(1024LL*1024LL*1024LL % numSkiped == 0) { printf( "sum:%1.3f, skip:%d, wQP:%d, " "wRange:%d, wDiff:%d, relSkip:%1.3f\n", (float)errorSum/numSkiped, numSkiped, worstQP, worstRange, worstDiff, (float)numSkiped/numPixels); } } } #endif if (*p + 2*QP < f) *p= *p + 2*QP; else if(*p - 2*QP > f) *p= *p - 2*QP; else *p=f; } } } #ifdef DEBUG_DERING_THRESHOLD if(max-min < 20) { for(y=1; y<9; y++) { int x; int t = 0; p= src + stride*y; for(x=1; x<9; x++) { p++; *p = MIN(*p + 20, 255); } } // src[0] = src[7]=src[stride*7]=src[stride*7 + 7]=255; } #endif #endif } /** * Deinterlaces the given block * will be called for every 8x8 block and can read & write from line 4-15 * lines 0-3 have been passed through the deblock / dering filters allready, but can be read too * lines 4-12 will be read into the deblocking filter and should be deinterlaced */ static inline void RENAME(deInterlaceInterpolateLinear)(uint8_t src[], int stride) { #if defined (HAVE_MMX2) || defined (HAVE_3DNOW) src+= 4*stride; asm volatile( "leal (%0, %1), %%eax \n\t" "leal (%%eax, %1, 4), %%ebx \n\t" // 0 1 2 3 4 5 6 7 8 9 // %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 %0+8%1 ebx+4%1 "movq (%0), %%mm0 \n\t" "movq (%%eax, %1), %%mm1 \n\t" PAVGB(%%mm1, %%mm0) "movq %%mm0, (%%eax) \n\t" "movq (%0, %1, 4), %%mm0 \n\t" PAVGB(%%mm0, %%mm1) "movq %%mm1, (%%eax, %1, 2) \n\t" "movq (%%ebx, %1), %%mm1 \n\t" PAVGB(%%mm1, %%mm0) "movq %%mm0, (%%ebx) \n\t" "movq (%0, %1, 8), %%mm0 \n\t" PAVGB(%%mm0, %%mm1) "movq %%mm1, (%%ebx, %1, 2) \n\t" : : "r" (src), "r" (stride) : "%eax", "%ebx" ); #else int x; src+= 4*stride; for(x=0; x<8; x++) { src[stride] = (src[0] + src[stride*2])>>1; src[stride*3] = (src[stride*2] + src[stride*4])>>1; src[stride*5] = (src[stride*4] + src[stride*6])>>1; src[stride*7] = (src[stride*6] + src[stride*8])>>1; src++; } #endif } /** * Deinterlaces the given block * will be called for every 8x8 block and can read & write from line 4-15 * lines 0-3 have been passed through the deblock / dering filters allready, but can be read too * lines 4-12 will be read into the deblocking filter and should be deinterlaced * this filter will read lines 3-15 and write 7-13 * no cliping in C version */ static inline void RENAME(deInterlaceInterpolateCubic)(uint8_t src[], int stride) { #if defined (HAVE_MMX2) || defined (HAVE_3DNOW) src+= stride*3; asm volatile( "leal (%0, %1), %%eax \n\t" "leal (%%eax, %1, 4), %%ebx \n\t" "leal (%%ebx, %1, 4), %%ecx \n\t" "addl %1, %%ecx \n\t" "pxor %%mm7, %%mm7 \n\t" // 0 1 2 3 4 5 6 7 8 9 10 // %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 %0+8%1 ebx+4%1 ecx #define DEINT_CUBIC(a,b,c,d,e)\ "movq " #a ", %%mm0 \n\t"\ "movq " #b ", %%mm1 \n\t"\ "movq " #d ", %%mm2 \n\t"\ "movq " #e ", %%mm3 \n\t"\ PAVGB(%%mm2, %%mm1) /* (b+d) /2 */\ PAVGB(%%mm3, %%mm0) /* a(a+e) /2 */\ "movq %%mm0, %%mm2 \n\t"\ "punpcklbw %%mm7, %%mm0 \n\t"\ "punpckhbw %%mm7, %%mm2 \n\t"\ "movq %%mm1, %%mm3 \n\t"\ "punpcklbw %%mm7, %%mm1 \n\t"\ "punpckhbw %%mm7, %%mm3 \n\t"\ "psubw %%mm1, %%mm0 \n\t" /* L(a+e - (b+d))/2 */\ "psubw %%mm3, %%mm2 \n\t" /* H(a+e - (b+d))/2 */\ "psraw $3, %%mm0 \n\t" /* L(a+e - (b+d))/16 */\ "psraw $3, %%mm2 \n\t" /* H(a+e - (b+d))/16 */\ "psubw %%mm0, %%mm1 \n\t" /* L(9b + 9d - a - e)/16 */\ "psubw %%mm2, %%mm3 \n\t" /* H(9b + 9d - a - e)/16 */\ "packuswb %%mm3, %%mm1 \n\t"\ "movq %%mm1, " #c " \n\t" DEINT_CUBIC((%0), (%%eax, %1), (%%eax, %1, 2), (%0, %1, 4), (%%ebx, %1)) DEINT_CUBIC((%%eax, %1), (%0, %1, 4), (%%ebx), (%%ebx, %1), (%0, %1, 8)) DEINT_CUBIC((%0, %1, 4), (%%ebx, %1), (%%ebx, %1, 2), (%0, %1, 8), (%%ecx)) DEINT_CUBIC((%%ebx, %1), (%0, %1, 8), (%%ebx, %1, 4), (%%ecx), (%%ecx, %1, 2)) : : "r" (src), "r" (stride) : "%eax", "%ebx", "ecx" ); #else int x; src+= stride*3; for(x=0; x<8; x++) { src[stride*3] = (-src[0] + 9*src[stride*2] + 9*src[stride*4] - src[stride*6])>>4; src[stride*5] = (-src[stride*2] + 9*src[stride*4] + 9*src[stride*6] - src[stride*8])>>4; src[stride*7] = (-src[stride*4] + 9*src[stride*6] + 9*src[stride*8] - src[stride*10])>>4; src[stride*9] = (-src[stride*6] + 9*src[stride*8] + 9*src[stride*10] - src[stride*12])>>4; src++; } #endif } /** * Deinterlaces the given block * will be called for every 8x8 block and can read & write from line 4-15 * lines 0-3 have been passed through the deblock / dering filters allready, but can be read too * lines 4-12 will be read into the deblocking filter and should be deinterlaced * will shift the image up by 1 line (FIXME if this is a problem) * this filter will read lines 4-13 and write 4-11 */ static inline void RENAME(deInterlaceBlendLinear)(uint8_t src[], int stride) { #if defined (HAVE_MMX2) || defined (HAVE_3DNOW) src+= 4*stride; asm volatile( "leal (%0, %1), %%eax \n\t" "leal (%%eax, %1, 4), %%ebx \n\t" // 0 1 2 3 4 5 6 7 8 9 // %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 %0+8%1 ebx+4%1 "movq (%0), %%mm0 \n\t" // L0 "movq (%%eax, %1), %%mm1 \n\t" // L2 PAVGB(%%mm1, %%mm0) // L0+L2 "movq (%%eax), %%mm2 \n\t" // L1 PAVGB(%%mm2, %%mm0) "movq %%mm0, (%0) \n\t" "movq (%%eax, %1, 2), %%mm0 \n\t" // L3 PAVGB(%%mm0, %%mm2) // L1+L3 PAVGB(%%mm1, %%mm2) // 2L2 + L1 + L3 "movq %%mm2, (%%eax) \n\t" "movq (%0, %1, 4), %%mm2 \n\t" // L4 PAVGB(%%mm2, %%mm1) // L2+L4 PAVGB(%%mm0, %%mm1) // 2L3 + L2 + L4 "movq %%mm1, (%%eax, %1) \n\t" "movq (%%ebx), %%mm1 \n\t" // L5 PAVGB(%%mm1, %%mm0) // L3+L5 PAVGB(%%mm2, %%mm0) // 2L4 + L3 + L5 "movq %%mm0, (%%eax, %1, 2) \n\t" "movq (%%ebx, %1), %%mm0 \n\t" // L6 PAVGB(%%mm0, %%mm2) // L4+L6 PAVGB(%%mm1, %%mm2) // 2L5 + L4 + L6 "movq %%mm2, (%0, %1, 4) \n\t" "movq (%%ebx, %1, 2), %%mm2 \n\t" // L7 PAVGB(%%mm2, %%mm1) // L5+L7 PAVGB(%%mm0, %%mm1) // 2L6 + L5 + L7 "movq %%mm1, (%%ebx) \n\t" "movq (%0, %1, 8), %%mm1 \n\t" // L8 PAVGB(%%mm1, %%mm0) // L6+L8 PAVGB(%%mm2, %%mm0) // 2L7 + L6 + L8 "movq %%mm0, (%%ebx, %1) \n\t" "movq (%%ebx, %1, 4), %%mm0 \n\t" // L9 PAVGB(%%mm0, %%mm2) // L7+L9 PAVGB(%%mm1, %%mm2) // 2L8 + L7 + L9 "movq %%mm2, (%%ebx, %1, 2) \n\t" : : "r" (src), "r" (stride) : "%eax", "%ebx" ); #else int x; src+= 4*stride; for(x=0; x<8; x++) { src[0 ] = (src[0 ] + 2*src[stride ] + src[stride*2])>>2; src[stride ] = (src[stride ] + 2*src[stride*2] + src[stride*3])>>2; src[stride*2] = (src[stride*2] + 2*src[stride*3] + src[stride*4])>>2; src[stride*3] = (src[stride*3] + 2*src[stride*4] + src[stride*5])>>2; src[stride*4] = (src[stride*4] + 2*src[stride*5] + src[stride*6])>>2; src[stride*5] = (src[stride*5] + 2*src[stride*6] + src[stride*7])>>2; src[stride*6] = (src[stride*6] + 2*src[stride*7] + src[stride*8])>>2; src[stride*7] = (src[stride*7] + 2*src[stride*8] + src[stride*9])>>2; src++; } #endif } /** * Deinterlaces the given block * will be called for every 8x8 block and can read & write from line 4-15, * lines 0-3 have been passed through the deblock / dering filters allready, but can be read too * lines 4-12 will be read into the deblocking filter and should be deinterlaced */ static inline void RENAME(deInterlaceMedian)(uint8_t src[], int stride) { #ifdef HAVE_MMX src+= 4*stride; #ifdef HAVE_MMX2 asm volatile( "leal (%0, %1), %%eax \n\t" "leal (%%eax, %1, 4), %%ebx \n\t" // 0 1 2 3 4 5 6 7 8 9 // %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 %0+8%1 ebx+4%1 "movq (%0), %%mm0 \n\t" // "movq (%%eax, %1), %%mm2 \n\t" // "movq (%%eax), %%mm1 \n\t" // "movq %%mm0, %%mm3 \n\t" "pmaxub %%mm1, %%mm0 \n\t" // "pminub %%mm3, %%mm1 \n\t" // "pmaxub %%mm2, %%mm1 \n\t" // "pminub %%mm1, %%mm0 \n\t" "movq %%mm0, (%%eax) \n\t" "movq (%0, %1, 4), %%mm0 \n\t" // "movq (%%eax, %1, 2), %%mm1 \n\t" // "movq %%mm2, %%mm3 \n\t" "pmaxub %%mm1, %%mm2 \n\t" // "pminub %%mm3, %%mm1 \n\t" // "pmaxub %%mm0, %%mm1 \n\t" // "pminub %%mm1, %%mm2 \n\t" "movq %%mm2, (%%eax, %1, 2) \n\t" "movq (%%ebx), %%mm2 \n\t" // "movq (%%ebx, %1), %%mm1 \n\t" // "movq %%mm2, %%mm3 \n\t" "pmaxub %%mm0, %%mm2 \n\t" // "pminub %%mm3, %%mm0 \n\t" // "pmaxub %%mm1, %%mm0 \n\t" // "pminub %%mm0, %%mm2 \n\t" "movq %%mm2, (%%ebx) \n\t" "movq (%%ebx, %1, 2), %%mm2 \n\t" // "movq (%0, %1, 8), %%mm0 \n\t" // "movq %%mm2, %%mm3 \n\t" "pmaxub %%mm0, %%mm2 \n\t" // "pminub %%mm3, %%mm0 \n\t" // "pmaxub %%mm1, %%mm0 \n\t" // "pminub %%mm0, %%mm2 \n\t" "movq %%mm2, (%%ebx, %1, 2) \n\t" : : "r" (src), "r" (stride) : "%eax", "%ebx" ); #else // MMX without MMX2 asm volatile( "leal (%0, %1), %%eax \n\t" "leal (%%eax, %1, 4), %%ebx \n\t" // 0 1 2 3 4 5 6 7 8 9 // %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 %0+8%1 ebx+4%1 "pxor %%mm7, %%mm7 \n\t" #define MEDIAN(a,b,c)\ "movq " #a ", %%mm0 \n\t"\ "movq " #b ", %%mm2 \n\t"\ "movq " #c ", %%mm1 \n\t"\ "movq %%mm0, %%mm3 \n\t"\ "movq %%mm1, %%mm4 \n\t"\ "movq %%mm2, %%mm5 \n\t"\ "psubusb %%mm1, %%mm3 \n\t"\ "psubusb %%mm2, %%mm4 \n\t"\ "psubusb %%mm0, %%mm5 \n\t"\ "pcmpeqb %%mm7, %%mm3 \n\t"\ "pcmpeqb %%mm7, %%mm4 \n\t"\ "pcmpeqb %%mm7, %%mm5 \n\t"\ "movq %%mm3, %%mm6 \n\t"\ "pxor %%mm4, %%mm3 \n\t"\ "pxor %%mm5, %%mm4 \n\t"\ "pxor %%mm6, %%mm5 \n\t"\ "por %%mm3, %%mm1 \n\t"\ "por %%mm4, %%mm2 \n\t"\ "por %%mm5, %%mm0 \n\t"\ "pand %%mm2, %%mm0 \n\t"\ "pand %%mm1, %%mm0 \n\t"\ "movq %%mm0, " #b " \n\t" MEDIAN((%0), (%%eax), (%%eax, %1)) MEDIAN((%%eax, %1), (%%eax, %1, 2), (%0, %1, 4)) MEDIAN((%0, %1, 4), (%%ebx), (%%ebx, %1)) MEDIAN((%%ebx, %1), (%%ebx, %1, 2), (%0, %1, 8)) : : "r" (src), "r" (stride) : "%eax", "%ebx" ); #endif // MMX #else //FIXME int x; src+= 4*stride; for(x=0; x<8; x++) { src[0 ] = (src[0 ] + 2*src[stride ] + src[stride*2])>>2; src[stride ] = (src[stride ] + 2*src[stride*2] + src[stride*3])>>2; src[stride*2] = (src[stride*2] + 2*src[stride*3] + src[stride*4])>>2; src[stride*3] = (src[stride*3] + 2*src[stride*4] + src[stride*5])>>2; src[stride*4] = (src[stride*4] + 2*src[stride*5] + src[stride*6])>>2; src[stride*5] = (src[stride*5] + 2*src[stride*6] + src[stride*7])>>2; src[stride*6] = (src[stride*6] + 2*src[stride*7] + src[stride*8])>>2; src[stride*7] = (src[stride*7] + 2*src[stride*8] + src[stride*9])>>2; src++; } #endif } #ifdef HAVE_MMX /** * transposes and shift the given 8x8 Block into dst1 and dst2 */ static inline void RENAME(transpose1)(uint8_t *dst1, uint8_t *dst2, uint8_t *src, int srcStride) { asm( "leal (%0, %1), %%eax \n\t" "leal (%%eax, %1, 4), %%ebx \n\t" // 0 1 2 3 4 5 6 7 8 9 // %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 %0+8%1 ebx+4%1 "movq (%0), %%mm0 \n\t" // 12345678 "movq (%%eax), %%mm1 \n\t" // abcdefgh "movq %%mm0, %%mm2 \n\t" // 12345678 "punpcklbw %%mm1, %%mm0 \n\t" // 1a2b3c4d "punpckhbw %%mm1, %%mm2 \n\t" // 5e6f7g8h "movq (%%eax, %1), %%mm1 \n\t" "movq (%%eax, %1, 2), %%mm3 \n\t" "movq %%mm1, %%mm4 \n\t" "punpcklbw %%mm3, %%mm1 \n\t" "punpckhbw %%mm3, %%mm4 \n\t" "movq %%mm0, %%mm3 \n\t" "punpcklwd %%mm1, %%mm0 \n\t" "punpckhwd %%mm1, %%mm3 \n\t" "movq %%mm2, %%mm1 \n\t" "punpcklwd %%mm4, %%mm2 \n\t" "punpckhwd %%mm4, %%mm1 \n\t" "movd %%mm0, 128(%2) \n\t" "psrlq $32, %%mm0 \n\t" "movd %%mm0, 144(%2) \n\t" "movd %%mm3, 160(%2) \n\t" "psrlq $32, %%mm3 \n\t" "movd %%mm3, 176(%2) \n\t" "movd %%mm3, 48(%3) \n\t" "movd %%mm2, 192(%2) \n\t" "movd %%mm2, 64(%3) \n\t" "psrlq $32, %%mm2 \n\t" "movd %%mm2, 80(%3) \n\t" "movd %%mm1, 96(%3) \n\t" "psrlq $32, %%mm1 \n\t" "movd %%mm1, 112(%3) \n\t" "movq (%0, %1, 4), %%mm0 \n\t" // 12345678 "movq (%%ebx), %%mm1 \n\t" // abcdefgh "movq %%mm0, %%mm2 \n\t" // 12345678 "punpcklbw %%mm1, %%mm0 \n\t" // 1a2b3c4d "punpckhbw %%mm1, %%mm2 \n\t" // 5e6f7g8h "movq (%%ebx, %1), %%mm1 \n\t" "movq (%%ebx, %1, 2), %%mm3 \n\t" "movq %%mm1, %%mm4 \n\t" "punpcklbw %%mm3, %%mm1 \n\t" "punpckhbw %%mm3, %%mm4 \n\t" "movq %%mm0, %%mm3 \n\t" "punpcklwd %%mm1, %%mm0 \n\t" "punpckhwd %%mm1, %%mm3 \n\t" "movq %%mm2, %%mm1 \n\t" "punpcklwd %%mm4, %%mm2 \n\t" "punpckhwd %%mm4, %%mm1 \n\t" "movd %%mm0, 132(%2) \n\t" "psrlq $32, %%mm0 \n\t" "movd %%mm0, 148(%2) \n\t" "movd %%mm3, 164(%2) \n\t" "psrlq $32, %%mm3 \n\t" "movd %%mm3, 180(%2) \n\t" "movd %%mm3, 52(%3) \n\t" "movd %%mm2, 196(%2) \n\t" "movd %%mm2, 68(%3) \n\t" "psrlq $32, %%mm2 \n\t" "movd %%mm2, 84(%3) \n\t" "movd %%mm1, 100(%3) \n\t" "psrlq $32, %%mm1 \n\t" "movd %%mm1, 116(%3) \n\t" :: "r" (src), "r" (srcStride), "r" (dst1), "r" (dst2) : "%eax", "%ebx" ); } /** * transposes the given 8x8 block */ static inline void RENAME(transpose2)(uint8_t *dst, int dstStride, uint8_t *src) { asm( "leal (%0, %1), %%eax \n\t" "leal (%%eax, %1, 4), %%ebx \n\t" // 0 1 2 3 4 5 6 7 8 9 // %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 %0+8%1 ebx+4%1 "movq (%2), %%mm0 \n\t" // 12345678 "movq 16(%2), %%mm1 \n\t" // abcdefgh "movq %%mm0, %%mm2 \n\t" // 12345678 "punpcklbw %%mm1, %%mm0 \n\t" // 1a2b3c4d "punpckhbw %%mm1, %%mm2 \n\t" // 5e6f7g8h "movq 32(%2), %%mm1 \n\t" "movq 48(%2), %%mm3 \n\t" "movq %%mm1, %%mm4 \n\t" "punpcklbw %%mm3, %%mm1 \n\t" "punpckhbw %%mm3, %%mm4 \n\t" "movq %%mm0, %%mm3 \n\t" "punpcklwd %%mm1, %%mm0 \n\t" "punpckhwd %%mm1, %%mm3 \n\t" "movq %%mm2, %%mm1 \n\t" "punpcklwd %%mm4, %%mm2 \n\t" "punpckhwd %%mm4, %%mm1 \n\t" "movd %%mm0, (%0) \n\t" "psrlq $32, %%mm0 \n\t" "movd %%mm0, (%%eax) \n\t" "movd %%mm3, (%%eax, %1) \n\t" "psrlq $32, %%mm3 \n\t" "movd %%mm3, (%%eax, %1, 2) \n\t" "movd %%mm2, (%0, %1, 4) \n\t" "psrlq $32, %%mm2 \n\t" "movd %%mm2, (%%ebx) \n\t" "movd %%mm1, (%%ebx, %1) \n\t" "psrlq $32, %%mm1 \n\t" "movd %%mm1, (%%ebx, %1, 2) \n\t" "movq 64(%2), %%mm0 \n\t" // 12345678 "movq 80(%2), %%mm1 \n\t" // abcdefgh "movq %%mm0, %%mm2 \n\t" // 12345678 "punpcklbw %%mm1, %%mm0 \n\t" // 1a2b3c4d "punpckhbw %%mm1, %%mm2 \n\t" // 5e6f7g8h "movq 96(%2), %%mm1 \n\t" "movq 112(%2), %%mm3 \n\t" "movq %%mm1, %%mm4 \n\t" "punpcklbw %%mm3, %%mm1 \n\t" "punpckhbw %%mm3, %%mm4 \n\t" "movq %%mm0, %%mm3 \n\t" "punpcklwd %%mm1, %%mm0 \n\t" "punpckhwd %%mm1, %%mm3 \n\t" "movq %%mm2, %%mm1 \n\t" "punpcklwd %%mm4, %%mm2 \n\t" "punpckhwd %%mm4, %%mm1 \n\t" "movd %%mm0, 4(%0) \n\t" "psrlq $32, %%mm0 \n\t" "movd %%mm0, 4(%%eax) \n\t" "movd %%mm3, 4(%%eax, %1) \n\t" "psrlq $32, %%mm3 \n\t" "movd %%mm3, 4(%%eax, %1, 2) \n\t" "movd %%mm2, 4(%0, %1, 4) \n\t" "psrlq $32, %%mm2 \n\t" "movd %%mm2, 4(%%ebx) \n\t" "movd %%mm1, 4(%%ebx, %1) \n\t" "psrlq $32, %%mm1 \n\t" "movd %%mm1, 4(%%ebx, %1, 2) \n\t" :: "r" (dst), "r" (dstStride), "r" (src) : "%eax", "%ebx" ); } #endif //static int test=0; static void inline RENAME(tempNoiseReducer)(uint8_t *src, int stride, uint8_t *tempBlured, uint32_t *tempBluredPast, int *maxNoise) { #define FAST_L2_DIFF //#define L1_DIFF //u should change the thresholds too if u try that one #if defined (HAVE_MMX2) || defined (HAVE_3DNOW) asm volatile( "leal (%2, %2, 2), %%eax \n\t" // 3*stride "leal (%2, %2, 4), %%ebx \n\t" // 5*stride "leal (%%ebx, %2, 2), %%ecx \n\t" // 7*stride // 0 1 2 3 4 5 6 7 8 9 // %x %x+%2 %x+2%2 %x+eax %x+4%2 %x+ebx %x+2eax %x+ecx %x+8%2 //FIXME reorder? #ifdef L1_DIFF //needs mmx2 "movq (%0), %%mm0 \n\t" // L0 "psadbw (%1), %%mm0 \n\t" // |L0-R0| "movq (%0, %2), %%mm1 \n\t" // L1 "psadbw (%1, %2), %%mm1 \n\t" // |L1-R1| "movq (%0, %2, 2), %%mm2 \n\t" // L2 "psadbw (%1, %2, 2), %%mm2 \n\t" // |L2-R2| "movq (%0, %%eax), %%mm3 \n\t" // L3 "psadbw (%1, %%eax), %%mm3 \n\t" // |L3-R3| "movq (%0, %2, 4), %%mm4 \n\t" // L4 "paddw %%mm1, %%mm0 \n\t" "psadbw (%1, %2, 4), %%mm4 \n\t" // |L4-R4| "movq (%0, %%ebx), %%mm5 \n\t" // L5 "paddw %%mm2, %%mm0 \n\t" "psadbw (%1, %%ebx), %%mm5 \n\t" // |L5-R5| "movq (%0, %%eax, 2), %%mm6 \n\t" // L6 "paddw %%mm3, %%mm0 \n\t" "psadbw (%1, %%eax, 2), %%mm6 \n\t" // |L6-R6| "movq (%0, %%ecx), %%mm7 \n\t" // L7 "paddw %%mm4, %%mm0 \n\t" "psadbw (%1, %%ecx), %%mm7 \n\t" // |L7-R7| "paddw %%mm5, %%mm6 \n\t" "paddw %%mm7, %%mm6 \n\t" "paddw %%mm6, %%mm0 \n\t" #elif defined (FAST_L2_DIFF) "pcmpeqb %%mm7, %%mm7 \n\t" "movq "MANGLE(b80)", %%mm6 \n\t" "pxor %%mm0, %%mm0 \n\t" #define L2_DIFF_CORE(a, b)\ "movq " #a ", %%mm5 \n\t"\ "movq " #b ", %%mm2 \n\t"\ "pxor %%mm7, %%mm2 \n\t"\ PAVGB(%%mm2, %%mm5)\ "paddb %%mm6, %%mm5 \n\t"\ "movq %%mm5, %%mm2 \n\t"\ "psllw $8, %%mm5 \n\t"\ "pmaddwd %%mm5, %%mm5 \n\t"\ "pmaddwd %%mm2, %%mm2 \n\t"\ "paddd %%mm2, %%mm5 \n\t"\ "psrld $14, %%mm5 \n\t"\ "paddd %%mm5, %%mm0 \n\t" L2_DIFF_CORE((%0), (%1)) L2_DIFF_CORE((%0, %2), (%1, %2)) L2_DIFF_CORE((%0, %2, 2), (%1, %2, 2)) L2_DIFF_CORE((%0, %%eax), (%1, %%eax)) L2_DIFF_CORE((%0, %2, 4), (%1, %2, 4)) L2_DIFF_CORE((%0, %%ebx), (%1, %%ebx)) L2_DIFF_CORE((%0, %%eax,2), (%1, %%eax,2)) L2_DIFF_CORE((%0, %%ecx), (%1, %%ecx)) #else "pxor %%mm7, %%mm7 \n\t" "pxor %%mm0, %%mm0 \n\t" #define L2_DIFF_CORE(a, b)\ "movq " #a ", %%mm5 \n\t"\ "movq " #b ", %%mm2 \n\t"\ "movq %%mm5, %%mm1 \n\t"\ "movq %%mm2, %%mm3 \n\t"\ "punpcklbw %%mm7, %%mm5 \n\t"\ "punpckhbw %%mm7, %%mm1 \n\t"\ "punpcklbw %%mm7, %%mm2 \n\t"\ "punpckhbw %%mm7, %%mm3 \n\t"\ "psubw %%mm2, %%mm5 \n\t"\ "psubw %%mm3, %%mm1 \n\t"\ "pmaddwd %%mm5, %%mm5 \n\t"\ "pmaddwd %%mm1, %%mm1 \n\t"\ "paddd %%mm1, %%mm5 \n\t"\ "paddd %%mm5, %%mm0 \n\t" L2_DIFF_CORE((%0), (%1)) L2_DIFF_CORE((%0, %2), (%1, %2)) L2_DIFF_CORE((%0, %2, 2), (%1, %2, 2)) L2_DIFF_CORE((%0, %%eax), (%1, %%eax)) L2_DIFF_CORE((%0, %2, 4), (%1, %2, 4)) L2_DIFF_CORE((%0, %%ebx), (%1, %%ebx)) L2_DIFF_CORE((%0, %%eax,2), (%1, %%eax,2)) L2_DIFF_CORE((%0, %%ecx), (%1, %%ecx)) #endif "movq %%mm0, %%mm4 \n\t" "psrlq $32, %%mm0 \n\t" "paddd %%mm0, %%mm4 \n\t" "movd %%mm4, %%ecx \n\t" "shll $2, %%ecx \n\t" "movl %3, %%ebx \n\t" "addl -4(%%ebx), %%ecx \n\t" "addl 4(%%ebx), %%ecx \n\t" "addl -1024(%%ebx), %%ecx \n\t" "addl $4, %%ecx \n\t" "addl 1024(%%ebx), %%ecx \n\t" "shrl $3, %%ecx \n\t" "movl %%ecx, (%%ebx) \n\t" "leal (%%eax, %2, 2), %%ebx \n\t" // 5*stride // "movl %3, %%ecx \n\t" // "movl %%ecx, test \n\t" // "jmp 4f \n\t" "cmpl 4+"MANGLE(maxTmpNoise)", %%ecx \n\t" " jb 2f \n\t" "cmpl 8+"MANGLE(maxTmpNoise)", %%ecx \n\t" " jb 1f \n\t" "leal (%%ebx, %2, 2), %%ecx \n\t" // 7*stride "movq (%0), %%mm0 \n\t" // L0 "movq (%0, %2), %%mm1 \n\t" // L1 "movq (%0, %2, 2), %%mm2 \n\t" // L2 "movq (%0, %%eax), %%mm3 \n\t" // L3 "movq (%0, %2, 4), %%mm4 \n\t" // L4 "movq (%0, %%ebx), %%mm5 \n\t" // L5 "movq (%0, %%eax, 2), %%mm6 \n\t" // L6 "movq (%0, %%ecx), %%mm7 \n\t" // L7 "movq %%mm0, (%1) \n\t" // L0 "movq %%mm1, (%1, %2) \n\t" // L1 "movq %%mm2, (%1, %2, 2) \n\t" // L2 "movq %%mm3, (%1, %%eax) \n\t" // L3 "movq %%mm4, (%1, %2, 4) \n\t" // L4 "movq %%mm5, (%1, %%ebx) \n\t" // L5 "movq %%mm6, (%1, %%eax, 2) \n\t" // L6 "movq %%mm7, (%1, %%ecx) \n\t" // L7 "jmp 4f \n\t" "1: \n\t" "leal (%%ebx, %2, 2), %%ecx \n\t" // 7*stride "movq (%0), %%mm0 \n\t" // L0 "pavgb (%1), %%mm0 \n\t" // L0 "movq (%0, %2), %%mm1 \n\t" // L1 "pavgb (%1, %2), %%mm1 \n\t" // L1 "movq (%0, %2, 2), %%mm2 \n\t" // L2 "pavgb (%1, %2, 2), %%mm2 \n\t" // L2 "movq (%0, %%eax), %%mm3 \n\t" // L3 "pavgb (%1, %%eax), %%mm3 \n\t" // L3 "movq (%0, %2, 4), %%mm4 \n\t" // L4 "pavgb (%1, %2, 4), %%mm4 \n\t" // L4 "movq (%0, %%ebx), %%mm5 \n\t" // L5 "pavgb (%1, %%ebx), %%mm5 \n\t" // L5 "movq (%0, %%eax, 2), %%mm6 \n\t" // L6 "pavgb (%1, %%eax, 2), %%mm6 \n\t" // L6 "movq (%0, %%ecx), %%mm7 \n\t" // L7 "pavgb (%1, %%ecx), %%mm7 \n\t" // L7 "movq %%mm0, (%1) \n\t" // R0 "movq %%mm1, (%1, %2) \n\t" // R1 "movq %%mm2, (%1, %2, 2) \n\t" // R2 "movq %%mm3, (%1, %%eax) \n\t" // R3 "movq %%mm4, (%1, %2, 4) \n\t" // R4 "movq %%mm5, (%1, %%ebx) \n\t" // R5 "movq %%mm6, (%1, %%eax, 2) \n\t" // R6 "movq %%mm7, (%1, %%ecx) \n\t" // R7 "movq %%mm0, (%0) \n\t" // L0 "movq %%mm1, (%0, %2) \n\t" // L1 "movq %%mm2, (%0, %2, 2) \n\t" // L2 "movq %%mm3, (%0, %%eax) \n\t" // L3 "movq %%mm4, (%0, %2, 4) \n\t" // L4 "movq %%mm5, (%0, %%ebx) \n\t" // L5 "movq %%mm6, (%0, %%eax, 2) \n\t" // L6 "movq %%mm7, (%0, %%ecx) \n\t" // L7 "jmp 4f \n\t" "2: \n\t" "cmpl "MANGLE(maxTmpNoise)", %%ecx \n\t" " jb 3f \n\t" "leal (%%ebx, %2, 2), %%ecx \n\t" // 7*stride "movq (%0), %%mm0 \n\t" // L0 "movq (%0, %2), %%mm1 \n\t" // L1 "movq (%0, %2, 2), %%mm2 \n\t" // L2 "movq (%0, %%eax), %%mm3 \n\t" // L3 "movq (%1), %%mm4 \n\t" // R0 "movq (%1, %2), %%mm5 \n\t" // R1 "movq (%1, %2, 2), %%mm6 \n\t" // R2 "movq (%1, %%eax), %%mm7 \n\t" // R3 PAVGB(%%mm4, %%mm0) PAVGB(%%mm5, %%mm1) PAVGB(%%mm6, %%mm2) PAVGB(%%mm7, %%mm3) PAVGB(%%mm4, %%mm0) PAVGB(%%mm5, %%mm1) PAVGB(%%mm6, %%mm2) PAVGB(%%mm7, %%mm3) "movq %%mm0, (%1) \n\t" // R0 "movq %%mm1, (%1, %2) \n\t" // R1 "movq %%mm2, (%1, %2, 2) \n\t" // R2 "movq %%mm3, (%1, %%eax) \n\t" // R3 "movq %%mm0, (%0) \n\t" // L0 "movq %%mm1, (%0, %2) \n\t" // L1 "movq %%mm2, (%0, %2, 2) \n\t" // L2 "movq %%mm3, (%0, %%eax) \n\t" // L3 "movq (%0, %2, 4), %%mm0 \n\t" // L4 "movq (%0, %%ebx), %%mm1 \n\t" // L5 "movq (%0, %%eax, 2), %%mm2 \n\t" // L6 "movq (%0, %%ecx), %%mm3 \n\t" // L7 "movq (%1, %2, 4), %%mm4 \n\t" // R4 "movq (%1, %%ebx), %%mm5 \n\t" // R5 "movq (%1, %%eax, 2), %%mm6 \n\t" // R6 "movq (%1, %%ecx), %%mm7 \n\t" // R7 PAVGB(%%mm4, %%mm0) PAVGB(%%mm5, %%mm1) PAVGB(%%mm6, %%mm2) PAVGB(%%mm7, %%mm3) PAVGB(%%mm4, %%mm0) PAVGB(%%mm5, %%mm1) PAVGB(%%mm6, %%mm2) PAVGB(%%mm7, %%mm3) "movq %%mm0, (%1, %2, 4) \n\t" // R4 "movq %%mm1, (%1, %%ebx) \n\t" // R5 "movq %%mm2, (%1, %%eax, 2) \n\t" // R6 "movq %%mm3, (%1, %%ecx) \n\t" // R7 "movq %%mm0, (%0, %2, 4) \n\t" // L4 "movq %%mm1, (%0, %%ebx) \n\t" // L5 "movq %%mm2, (%0, %%eax, 2) \n\t" // L6 "movq %%mm3, (%0, %%ecx) \n\t" // L7 "jmp 4f \n\t" "3: \n\t" "leal (%%ebx, %2, 2), %%ecx \n\t" // 7*stride "movq (%0), %%mm0 \n\t" // L0 "movq (%0, %2), %%mm1 \n\t" // L1 "movq (%0, %2, 2), %%mm2 \n\t" // L2 "movq (%0, %%eax), %%mm3 \n\t" // L3 "movq (%1), %%mm4 \n\t" // R0 "movq (%1, %2), %%mm5 \n\t" // R1 "movq (%1, %2, 2), %%mm6 \n\t" // R2 "movq (%1, %%eax), %%mm7 \n\t" // R3 PAVGB(%%mm4, %%mm0) PAVGB(%%mm5, %%mm1) PAVGB(%%mm6, %%mm2) PAVGB(%%mm7, %%mm3) PAVGB(%%mm4, %%mm0) PAVGB(%%mm5, %%mm1) PAVGB(%%mm6, %%mm2) PAVGB(%%mm7, %%mm3) PAVGB(%%mm4, %%mm0) PAVGB(%%mm5, %%mm1) PAVGB(%%mm6, %%mm2) PAVGB(%%mm7, %%mm3) "movq %%mm0, (%1) \n\t" // R0 "movq %%mm1, (%1, %2) \n\t" // R1 "movq %%mm2, (%1, %2, 2) \n\t" // R2 "movq %%mm3, (%1, %%eax) \n\t" // R3 "movq %%mm0, (%0) \n\t" // L0 "movq %%mm1, (%0, %2) \n\t" // L1 "movq %%mm2, (%0, %2, 2) \n\t" // L2 "movq %%mm3, (%0, %%eax) \n\t" // L3 "movq (%0, %2, 4), %%mm0 \n\t" // L4 "movq (%0, %%ebx), %%mm1 \n\t" // L5 "movq (%0, %%eax, 2), %%mm2 \n\t" // L6 "movq (%0, %%ecx), %%mm3 \n\t" // L7 "movq (%1, %2, 4), %%mm4 \n\t" // R4 "movq (%1, %%ebx), %%mm5 \n\t" // R5 "movq (%1, %%eax, 2), %%mm6 \n\t" // R6 "movq (%1, %%ecx), %%mm7 \n\t" // R7 PAVGB(%%mm4, %%mm0) PAVGB(%%mm5, %%mm1) PAVGB(%%mm6, %%mm2) PAVGB(%%mm7, %%mm3) PAVGB(%%mm4, %%mm0) PAVGB(%%mm5, %%mm1) PAVGB(%%mm6, %%mm2) PAVGB(%%mm7, %%mm3) PAVGB(%%mm4, %%mm0) PAVGB(%%mm5, %%mm1) PAVGB(%%mm6, %%mm2) PAVGB(%%mm7, %%mm3) "movq %%mm0, (%1, %2, 4) \n\t" // R4 "movq %%mm1, (%1, %%ebx) \n\t" // R5 "movq %%mm2, (%1, %%eax, 2) \n\t" // R6 "movq %%mm3, (%1, %%ecx) \n\t" // R7 "movq %%mm0, (%0, %2, 4) \n\t" // L4 "movq %%mm1, (%0, %%ebx) \n\t" // L5 "movq %%mm2, (%0, %%eax, 2) \n\t" // L6 "movq %%mm3, (%0, %%ecx) \n\t" // L7 "4: \n\t" :: "r" (src), "r" (tempBlured), "r"(stride), "m" (tempBluredPast) : "%eax", "%ebx", "%ecx", "memory" ); //printf("%d\n", test); #else int y; int d=0; int sysd=0; int i; for(y=0; y<8; y++) { int x; for(x=0; x<8; x++) { int ref= tempBlured[ x + y*stride ]; int cur= src[ x + y*stride ]; int d1=ref - cur; // if(x==0 || x==7) d1+= d1>>1; // if(y==0 || y==7) d1+= d1>>1; // d+= ABS(d1); d+= d1*d1; sysd+= d1; } } i=d; d= ( 4*d +(*(tempBluredPast-256)) +(*(tempBluredPast-1))+ (*(tempBluredPast+1)) +(*(tempBluredPast+256)) +4)>>3; *tempBluredPast=i; // ((*tempBluredPast)*3 + d + 2)>>2; //printf("%d %d %d\n", maxNoise[0], maxNoise[1], maxNoise[2]); /* Switch between 1 0 0 0 0 0 0 (0) 64 32 16 8 4 2 1 (1) 64 48 36 27 20 15 11 (33) (approx) 64 56 49 43 37 33 29 (200) (approx) */ if(d > maxNoise[1]) { if(d < maxNoise[2]) { for(y=0; y<8; y++) { int x; for(x=0; x<8; x++) { int ref= tempBlured[ x + y*stride ]; int cur= src[ x + y*stride ]; tempBlured[ x + y*stride ]= src[ x + y*stride ]= (ref + cur + 1)>>1; } } } else { for(y=0; y<8; y++) { int x; for(x=0; x<8; x++) { tempBlured[ x + y*stride ]= src[ x + y*stride ]; } } } } else { if(d < maxNoise[0]) { for(y=0; y<8; y++) { int x; for(x=0; x<8; x++) { int ref= tempBlured[ x + y*stride ]; int cur= src[ x + y*stride ]; tempBlured[ x + y*stride ]= src[ x + y*stride ]= (ref*7 + cur + 4)>>3; } } } else { for(y=0; y<8; y++) { int x; for(x=0; x<8; x++) { int ref= tempBlured[ x + y*stride ]; int cur= src[ x + y*stride ]; tempBlured[ x + y*stride ]= src[ x + y*stride ]= (ref*3 + cur + 2)>>2; } } } } #endif } static void RENAME(postProcess)(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height, QP_STORE_T QPs[], int QPStride, int isColor, struct PPMode *ppMode); /** * Copies a block from src to dst and fixes the blacklevel * levelFix == 0 -> dont touch the brighness & contrast */ static inline void RENAME(blockCopy)(uint8_t dst[], int dstStride, uint8_t src[], int srcStride, int levelFix) { #ifndef HAVE_MMX int i; #endif if(levelFix) { #ifdef HAVE_MMX asm volatile( "leal (%0,%2), %%eax \n\t" "leal (%1,%3), %%ebx \n\t" "movq "MANGLE(packedYOffset)", %%mm2\n\t" "movq "MANGLE(packedYScale)", %%mm3\n\t" "pxor %%mm4, %%mm4 \n\t" #ifdef HAVE_MMX2 #define SCALED_CPY(src1, src2, dst1, dst2) \ "movq " #src1 ", %%mm0 \n\t"\ "movq " #src1 ", %%mm5 \n\t"\ "movq " #src2 ", %%mm1 \n\t"\ "movq " #src2 ", %%mm6 \n\t"\ "punpcklbw %%mm0, %%mm0 \n\t"\ "punpckhbw %%mm5, %%mm5 \n\t"\ "punpcklbw %%mm1, %%mm1 \n\t"\ "punpckhbw %%mm6, %%mm6 \n\t"\ "pmulhuw %%mm3, %%mm0 \n\t"\ "pmulhuw %%mm3, %%mm5 \n\t"\ "pmulhuw %%mm3, %%mm1 \n\t"\ "pmulhuw %%mm3, %%mm6 \n\t"\ "psubw %%mm2, %%mm0 \n\t"\ "psubw %%mm2, %%mm5 \n\t"\ "psubw %%mm2, %%mm1 \n\t"\ "psubw %%mm2, %%mm6 \n\t"\ "packuswb %%mm5, %%mm0 \n\t"\ "packuswb %%mm6, %%mm1 \n\t"\ "movq %%mm0, " #dst1 " \n\t"\ "movq %%mm1, " #dst2 " \n\t"\ #else //HAVE_MMX2 #define SCALED_CPY(src1, src2, dst1, dst2) \ "movq " #src1 ", %%mm0 \n\t"\ "movq " #src1 ", %%mm5 \n\t"\ "punpcklbw %%mm4, %%mm0 \n\t"\ "punpckhbw %%mm4, %%mm5 \n\t"\ "psubw %%mm2, %%mm0 \n\t"\ "psubw %%mm2, %%mm5 \n\t"\ "movq " #src2 ", %%mm1 \n\t"\ "psllw $6, %%mm0 \n\t"\ "psllw $6, %%mm5 \n\t"\ "pmulhw %%mm3, %%mm0 \n\t"\ "movq " #src2 ", %%mm6 \n\t"\ "pmulhw %%mm3, %%mm5 \n\t"\ "punpcklbw %%mm4, %%mm1 \n\t"\ "punpckhbw %%mm4, %%mm6 \n\t"\ "psubw %%mm2, %%mm1 \n\t"\ "psubw %%mm2, %%mm6 \n\t"\ "psllw $6, %%mm1 \n\t"\ "psllw $6, %%mm6 \n\t"\ "pmulhw %%mm3, %%mm1 \n\t"\ "pmulhw %%mm3, %%mm6 \n\t"\ "packuswb %%mm5, %%mm0 \n\t"\ "packuswb %%mm6, %%mm1 \n\t"\ "movq %%mm0, " #dst1 " \n\t"\ "movq %%mm1, " #dst2 " \n\t"\ #endif //!HAVE_MMX2 SCALED_CPY((%0) , (%0, %2) , (%1) , (%1, %3)) SCALED_CPY((%0, %2, 2), (%%eax, %2, 2), (%1, %3, 2), (%%ebx, %3, 2)) SCALED_CPY((%0, %2, 4), (%%eax, %2, 4), (%1, %3, 4), (%%ebx, %3, 4)) "leal (%%eax,%2,4), %%eax \n\t" "leal (%%ebx,%3,4), %%ebx \n\t" SCALED_CPY((%%eax, %2), (%%eax, %2, 2), (%%ebx, %3), (%%ebx, %3, 2)) : : "r"(src), "r"(dst), "r" (srcStride), "r" (dstStride) : "%eax", "%ebx" ); #else for(i=0; i<8; i++) memcpy( &(dst[dstStride*i]), &(src[srcStride*i]), BLOCK_SIZE); #endif } else { #ifdef HAVE_MMX asm volatile( "leal (%0,%2), %%eax \n\t" "leal (%1,%3), %%ebx \n\t" #define SIMPLE_CPY(src1, src2, dst1, dst2) \ "movq " #src1 ", %%mm0 \n\t"\ "movq " #src2 ", %%mm1 \n\t"\ "movq %%mm0, " #dst1 " \n\t"\ "movq %%mm1, " #dst2 " \n\t"\ SIMPLE_CPY((%0) , (%0, %2) , (%1) , (%1, %3)) SIMPLE_CPY((%0, %2, 2), (%%eax, %2, 2), (%1, %3, 2), (%%ebx, %3, 2)) SIMPLE_CPY((%0, %2, 4), (%%eax, %2, 4), (%1, %3, 4), (%%ebx, %3, 4)) "leal (%%eax,%2,4), %%eax \n\t" "leal (%%ebx,%3,4), %%ebx \n\t" SIMPLE_CPY((%%eax, %2), (%%eax, %2, 2), (%%ebx, %3), (%%ebx, %3, 2)) : : "r" (src), "r" (dst), "r" (srcStride), "r" (dstStride) : "%eax", "%ebx" ); #else for(i=0; i<8; i++) memcpy( &(dst[dstStride*i]), &(src[srcStride*i]), BLOCK_SIZE); #endif } } /** * Duplicates the given 8 src pixels ? times upward */ static inline void RENAME(duplicate)(uint8_t src[], int stride) { #ifdef HAVE_MMX asm volatile( "movq (%0), %%mm0 \n\t" "addl %1, %0 \n\t" "movq %%mm0, (%0) \n\t" "movq %%mm0, (%0, %1) \n\t" "movq %%mm0, (%0, %1, 2) \n\t" : "+r" (src) : "r" (-stride) ); #else int i; uint8_t *p=src; for(i=0; i<3; i++) { p-= stride; memcpy(p, src, 8); } #endif } /** * Filters array of bytes (Y or U or V values) */ static void RENAME(postProcess)(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height, QP_STORE_T QPs[], int QPStride, int isColor, struct PPMode *ppMode) { int x,y; #ifdef COMPILE_TIME_MODE const int mode= COMPILE_TIME_MODE; #else const int mode= isColor ? ppMode->chromMode : ppMode->lumMode; #endif /* we need 64bit here otherwise weŽll going to have a problem after watching a black picture for 5 hours*/ static uint64_t *yHistogram= NULL; int black=0, white=255; // blackest black and whitest white in the picture int QPCorrecture= 256*256; /* Temporary buffers for handling the last row(s) */ static uint8_t *tempDst= NULL; static uint8_t *tempSrc= NULL; /* Temporary buffers for handling the last block */ static uint8_t *tempDstBlock= NULL; static uint8_t *tempSrcBlock= NULL; /* Temporal noise reducing buffers */ static uint8_t *tempBlured[3]= {NULL,NULL,NULL}; static uint32_t *tempBluredPast[3]= {NULL,NULL,NULL}; int copyAhead; #ifdef PP_FUNNY_STRIDE uint8_t *dstBlockPtrBackup; uint8_t *srcBlockPtrBackup; #endif #ifdef MORE_TIMING long long T0, T1, diffTime=0; #endif #ifdef TIMING long long memcpyTime=0, vertTime=0, horizTime=0, sumTime; sumTime= rdtsc(); #endif dcOffset= ppMode->maxDcDiff; dcThreshold= ppMode->maxDcDiff*2 + 1; #ifdef HAVE_MMX maxTmpNoise[0]= ppMode->maxTmpNoise[0]; maxTmpNoise[1]= ppMode->maxTmpNoise[1]; maxTmpNoise[2]= ppMode->maxTmpNoise[2]; mmxDCOffset= 0x7F - dcOffset; mmxDCThreshold= 0x7F - dcThreshold; mmxDCOffset*= 0x0101010101010101LL; mmxDCThreshold*= 0x0101010101010101LL; #endif if(mode & CUBIC_IPOL_DEINT_FILTER) copyAhead=16; else if(mode & LINEAR_BLEND_DEINT_FILTER) copyAhead=14; else if( (mode & V_DEBLOCK) || (mode & LINEAR_IPOL_DEINT_FILTER) || (mode & MEDIAN_DEINT_FILTER)) copyAhead=13; else if(mode & V_X1_FILTER) copyAhead=11; else if(mode & V_RK1_FILTER) copyAhead=10; else if(mode & DERING) copyAhead=9; else copyAhead=8; copyAhead-= 8; if(tempDst==NULL) { tempDst= (uint8_t*)memalign(8, 1024*24); tempSrc= (uint8_t*)memalign(8, 1024*24); tempDstBlock= (uint8_t*)memalign(8, 1024*24); tempSrcBlock= (uint8_t*)memalign(8, 1024*24); } if(tempBlured[isColor]==NULL && (mode & TEMP_NOISE_FILTER)) { // printf("%d %d %d\n", isColor, dstStride, height); //FIXME works only as long as the size doesnt increase //Note:the +17*1024 is just there so i dont have to worry about r/w over te end tempBlured[isColor]= (uint8_t*)memalign(8, dstStride*((height+7)&(~7)) + 17*1024); tempBluredPast[isColor]= (uint32_t*)memalign(8, 256*((height+7)&(~7))/2 + 17*1024); memset(tempBlured[isColor], 0, dstStride*((height+7)&(~7)) + 17*1024); memset(tempBluredPast[isColor], 0, 256*((height+7)&(~7))/2 + 17*1024); } if(!yHistogram) { int i; yHistogram= (uint64_t*)malloc(8*256); for(i=0; i<256; i++) yHistogram[i]= width*height/64*15/256; if(mode & FULL_Y_RANGE) { ppMode->maxAllowedY=255; ppMode->minAllowedY=0; } } if(!isColor) { uint64_t sum= 0; int i; static int framenum= -1; uint64_t maxClipped; uint64_t clipped; double scale; framenum++; if(framenum == 1) yHistogram[0]= width*height/64*15/256; for(i=0; i<256; i++) { sum+= yHistogram[i]; // printf("%d ", yHistogram[i]); } // printf("\n\n"); /* we allways get a completly black picture first */ maxClipped= (uint64_t)(sum * maxClippedThreshold); clipped= sum; for(black=255; black>0; black--) { if(clipped < maxClipped) break; clipped-= yHistogram[black]; } clipped= sum; for(white=0; white<256; white++) { if(clipped < maxClipped) break; clipped-= yHistogram[white]; } scale= (double)(ppMode->maxAllowedY - ppMode->minAllowedY) / (double)(white-black); #ifdef HAVE_MMX2 packedYScale= (uint16_t)(scale*256.0 + 0.5); packedYOffset= (((black*packedYScale)>>8) - ppMode->minAllowedY) & 0xFFFF; #else packedYScale= (uint16_t)(scale*1024.0 + 0.5); packedYOffset= (black - ppMode->minAllowedY) & 0xFFFF; #endif packedYOffset|= packedYOffset<<32; packedYOffset|= packedYOffset<<16; packedYScale|= packedYScale<<32; packedYScale|= packedYScale<<16; if(mode & LEVEL_FIX) QPCorrecture= (int)(scale*256*256 + 0.5); else QPCorrecture= 256*256; } else { packedYScale= 0x0100010001000100LL; packedYOffset= 0; QPCorrecture= 256*256; } /* copy & deinterlace first row of blocks */ y=-BLOCK_SIZE; { uint8_t *srcBlock= &(src[y*srcStride]); uint8_t *dstBlock= tempDst + dstStride; // From this point on it is guranteed that we can read and write 16 lines downward // finish 1 block before the next otherwise weŽll might have a problem // with the L1 Cache of the P4 ... or only a few blocks at a time or soemthing for(x=0; x>2)&6) + 5)*srcStride + 32); prefetchnta(srcBlock + (((x>>2)&6) + 6)*srcStride + 32); prefetcht0(dstBlock + (((x>>2)&6) + 5)*dstStride + 32); prefetcht0(dstBlock + (((x>>2)&6) + 6)*dstStride + 32); */ asm( "movl %4, %%eax \n\t" "shrl $2, %%eax \n\t" "andl $6, %%eax \n\t" "addl %5, %%eax \n\t" "movl %%eax, %%ebx \n\t" "imul %1, %%eax \n\t" "imul %3, %%ebx \n\t" "prefetchnta 32(%%eax, %0) \n\t" "prefetcht0 32(%%ebx, %2) \n\t" "addl %1, %%eax \n\t" "addl %3, %%ebx \n\t" "prefetchnta 32(%%eax, %0) \n\t" "prefetcht0 32(%%ebx, %2) \n\t" :: "r" (srcBlock), "r" (srcStride), "r" (dstBlock), "r" (dstStride), "m" (x), "m" (copyAhead) : "%eax", "%ebx" ); #elif defined(HAVE_3DNOW) //FIXME check if this is faster on an 3dnow chip or if its faster without the prefetch or ... /* prefetch(srcBlock + (((x>>3)&3) + 5)*srcStride + 32); prefetch(srcBlock + (((x>>3)&3) + 9)*srcStride + 32); prefetchw(dstBlock + (((x>>3)&3) + 5)*dstStride + 32); prefetchw(dstBlock + (((x>>3)&3) + 9)*dstStride + 32); */ #endif RENAME(blockCopy)(dstBlock + dstStride*8, dstStride, srcBlock + srcStride*8, srcStride, mode & LEVEL_FIX); RENAME(duplicate)(dstBlock + dstStride*8, dstStride); if(mode & LINEAR_IPOL_DEINT_FILTER) RENAME(deInterlaceInterpolateLinear)(dstBlock, dstStride); else if(mode & LINEAR_BLEND_DEINT_FILTER) RENAME(deInterlaceBlendLinear)(dstBlock, dstStride); else if(mode & MEDIAN_DEINT_FILTER) RENAME(deInterlaceMedian)(dstBlock, dstStride); else if(mode & CUBIC_IPOL_DEINT_FILTER) RENAME(deInterlaceInterpolateCubic)(dstBlock, dstStride); /* else if(mode & CUBIC_BLEND_DEINT_FILTER) RENAME(deInterlaceBlendCubic)(dstBlock, dstStride); */ dstBlock+=8; srcBlock+=8; } memcpy(dst, tempDst + 9*dstStride, copyAhead*dstStride ); } for(y=0; y>3)*QPStride] :&QPs[(y>>4)*QPStride]; int QPDelta= isColor ? (-1) : 1<<31; int QPFrac= 1<<30; #endif int QP=0; /* can we mess with a 8x16 block from srcBlock/dstBlock downwards and 1 line upwards if not than use a temporary buffer */ if(y+15 >= height) { int i; /* copy from line (copyAhead) to (copyAhead+7) of src, these will be copied with blockcopy to dst later */ memcpy(tempSrc + srcStride*copyAhead, srcBlock + srcStride*copyAhead, srcStride*MAX(height-y-copyAhead, 0) ); /* duplicate last line of src to fill the void upto line (copyAhead+7) */ for(i=MAX(height-y, 8); i>3)*QPStride + (x>>3)]: QPs[(y>>4)*QPStride + (x>>4)]; #endif if(!isColor) { QP= (QP* QPCorrecture + 256*128)>>16; yHistogram[ srcBlock[srcStride*12 + 4] ]++; } #ifdef HAVE_MMX asm volatile( "movd %0, %%mm7 \n\t" "packuswb %%mm7, %%mm7 \n\t" // 0, 0, 0, QP, 0, 0, 0, QP "packuswb %%mm7, %%mm7 \n\t" // 0,QP, 0, QP, 0,QP, 0, QP "packuswb %%mm7, %%mm7 \n\t" // QP,..., QP "movq %%mm7, "MANGLE(pQPb)" \n\t" : : "r" (QP) ); #endif #ifdef MORE_TIMING T0= rdtsc(); #endif #ifdef HAVE_MMX2 /* prefetchnta(srcBlock + (((x>>2)&6) + 5)*srcStride + 32); prefetchnta(srcBlock + (((x>>2)&6) + 6)*srcStride + 32); prefetcht0(dstBlock + (((x>>2)&6) + 5)*dstStride + 32); prefetcht0(dstBlock + (((x>>2)&6) + 6)*dstStride + 32); */ asm( "movl %4, %%eax \n\t" "shrl $2, %%eax \n\t" "andl $6, %%eax \n\t" "addl %5, %%eax \n\t" "movl %%eax, %%ebx \n\t" "imul %1, %%eax \n\t" "imul %3, %%ebx \n\t" "prefetchnta 32(%%eax, %0) \n\t" "prefetcht0 32(%%ebx, %2) \n\t" "addl %1, %%eax \n\t" "addl %3, %%ebx \n\t" "prefetchnta 32(%%eax, %0) \n\t" "prefetcht0 32(%%ebx, %2) \n\t" :: "r" (srcBlock), "r" (srcStride), "r" (dstBlock), "r" (dstStride), "m" (x), "m" (copyAhead) : "%eax", "%ebx" ); #elif defined(HAVE_3DNOW) //FIXME check if this is faster on an 3dnow chip or if its faster without the prefetch or ... /* prefetch(srcBlock + (((x>>3)&3) + 5)*srcStride + 32); prefetch(srcBlock + (((x>>3)&3) + 9)*srcStride + 32); prefetchw(dstBlock + (((x>>3)&3) + 5)*dstStride + 32); prefetchw(dstBlock + (((x>>3)&3) + 9)*dstStride + 32); */ #endif #ifdef PP_FUNNY_STRIDE //can we mess with a 8x16 block, if not use a temp buffer, yes again if(x+7 >= width) { int i; dstBlockPtrBackup= dstBlock; srcBlockPtrBackup= srcBlock; for(i=0;i= 0) { #ifdef MORE_TIMING T0= rdtsc(); #endif #ifdef HAVE_MMX if(mode & H_RK1_FILTER) RENAME(vertRK1Filter)(tempBlock1, 16, QP); else if(mode & H_X1_FILTER) RENAME(vertX1Filter)(tempBlock1, 16, QP); else if(mode & H_DEBLOCK) { if( RENAME(isVertDC)(tempBlock1, 16) ) { if(RENAME(isVertMinMaxOk)(tempBlock1, 16, QP)) RENAME(doVertLowPass)(tempBlock1, 16, QP); } else RENAME(doVertDefFilter)(tempBlock1, 16, QP); } RENAME(transpose2)(dstBlock-4, dstStride, tempBlock1 + 4*16); #else if(mode & H_X1_FILTER) horizX1Filter(dstBlock-4, stride, QP); else if(mode & H_DEBLOCK) { if( isHorizDC(dstBlock-4, stride)) { if(isHorizMinMaxOk(dstBlock-4, stride, QP)) doHorizLowPass(dstBlock-4, stride, QP); } else doHorizDefFilter(dstBlock-4, stride, QP); } #endif #ifdef MORE_TIMING T1= rdtsc(); horizTime+= T1-T0; T0=T1; #endif if(mode & DERING) { //FIXME filter first line if(y>0) RENAME(dering)(dstBlock - stride - 8, stride, QP); } if(mode & TEMP_NOISE_FILTER) { RENAME(tempNoiseReducer)(dstBlock-8, stride, tempBlured[isColor] + y*dstStride + x, tempBluredPast[isColor] + (y>>3)*256 + (x>>3), ppMode->maxTmpNoise); } } #ifdef PP_FUNNY_STRIDE /* did we use a tmp-block buffer */ if(x+7 >= width) { int i; dstBlock= dstBlockPtrBackup; srcBlock= srcBlockPtrBackup; for(i=0;i 0) RENAME(dering)(dstBlock - dstStride - 8, dstStride, QP); } if((mode & TEMP_NOISE_FILTER)) { RENAME(tempNoiseReducer)(dstBlock-8, dstStride, tempBlured[isColor] + y*dstStride + x, tempBluredPast[isColor] + (y>>3)*256 + (x>>3), ppMode->maxTmpNoise); } /* did we use a tmp buffer for the last lines*/ if(y+15 >= height) { uint8_t *dstBlock= &(dst[y*dstStride]); memcpy(dstBlock, tempDst + dstStride, dstStride*(height-y) ); } /* for(x=0; x max) max=yHistogram[i]; for(i=1; i<256; i++) { int x; int start=yHistogram[i-1]/(max/256+1); int end=yHistogram[i]/(max/256+1); int inc= end > start ? 1 : -1; for(x=start; x!=end+inc; x+=inc) dst[ i*dstStride + x]+=128; } for(i=0; i<100; i+=2) { dst[ (white)*dstStride + i]+=128; dst[ (black)*dstStride + i]+=128; } } #endif }