postprocess_template.c 157 KB
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/*
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 * Copyright (C) 2001-2002 Michael Niedermayer (michaelni@gmx.at)
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg 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.
 *
 * FFmpeg 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 FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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/**
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 * @file libpostproc/postprocess_template.c
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 * mmx/mmx2/3dnow postprocess code.
 */

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#include "libavutil/x86_cpu.h"
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#define ALIGN_MASK "$-8"
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#undef PAVGB
#undef PMINUB
#undef PMAXUB
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#if   HAVE_MMX2
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#define REAL_PAVGB(a,b) "pavgb " #a ", " #b " \n\t"
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#elif HAVE_AMD3DNOW
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#define REAL_PAVGB(a,b) "pavgusb " #a ", " #b " \n\t"
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#endif
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#define PAVGB(a,b)  REAL_PAVGB(a,b)
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#if   HAVE_MMX2
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#define PMINUB(a,b,t) "pminub " #a ", " #b " \n\t"
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#elif HAVE_MMX
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#define PMINUB(b,a,t) \
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    "movq " #a ", " #t " \n\t"\
    "psubusb " #b ", " #t " \n\t"\
    "psubb " #t ", " #a " \n\t"
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#endif

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#if   HAVE_MMX2
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#define PMAXUB(a,b) "pmaxub " #a ", " #b " \n\t"
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#elif HAVE_MMX
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#define PMAXUB(a,b) \
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    "psubusb " #a ", " #b " \n\t"\
    "paddb " #a ", " #b " \n\t"
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#endif

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//FIXME? |255-0| = 1 (should not be a problem ...)
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#if HAVE_MMX
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/**
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 * Check if the middle 8x8 Block in the given 8x16 block is flat
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 */
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static inline int RENAME(vertClassify)(uint8_t src[], int stride, PPContext *c){
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    int numEq= 0, dcOk;
    src+= stride*4; // src points to begin of the 8x8 Block
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    __asm__ volatile(
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        "movq %0, %%mm7                         \n\t"
        "movq %1, %%mm6                         \n\t"
        : : "m" (c->mmxDcOffset[c->nonBQP]),  "m" (c->mmxDcThreshold[c->nonBQP])
        );

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    __asm__ volatile(
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        "lea (%2, %3), %%"REG_a"                \n\t"
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//      0       1       2       3       4       5       6       7       8       9
//      %1      eax     eax+%2  eax+2%2 %1+4%2  ecx     ecx+%2  ecx+2%2 %1+8%2  ecx+4%2

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        "movq (%2), %%mm0                       \n\t"
        "movq (%%"REG_a"), %%mm1                \n\t"
        "movq %%mm0, %%mm3                      \n\t"
        "movq %%mm0, %%mm4                      \n\t"
        PMAXUB(%%mm1, %%mm4)
        PMINUB(%%mm1, %%mm3, %%mm5)
        "psubb %%mm1, %%mm0                     \n\t" // mm0 = differnece
        "paddb %%mm7, %%mm0                     \n\t"
        "pcmpgtb %%mm6, %%mm0                   \n\t"

        "movq (%%"REG_a",%3), %%mm2             \n\t"
        PMAXUB(%%mm2, %%mm4)
        PMINUB(%%mm2, %%mm3, %%mm5)
        "psubb %%mm2, %%mm1                     \n\t"
        "paddb %%mm7, %%mm1                     \n\t"
        "pcmpgtb %%mm6, %%mm1                   \n\t"
        "paddb %%mm1, %%mm0                     \n\t"

        "movq (%%"REG_a", %3, 2), %%mm1         \n\t"
        PMAXUB(%%mm1, %%mm4)
        PMINUB(%%mm1, %%mm3, %%mm5)
        "psubb %%mm1, %%mm2                     \n\t"
        "paddb %%mm7, %%mm2                     \n\t"
        "pcmpgtb %%mm6, %%mm2                   \n\t"
        "paddb %%mm2, %%mm0                     \n\t"

        "lea (%%"REG_a", %3, 4), %%"REG_a"      \n\t"

        "movq (%2, %3, 4), %%mm2                \n\t"
        PMAXUB(%%mm2, %%mm4)
        PMINUB(%%mm2, %%mm3, %%mm5)
        "psubb %%mm2, %%mm1                     \n\t"
        "paddb %%mm7, %%mm1                     \n\t"
        "pcmpgtb %%mm6, %%mm1                   \n\t"
        "paddb %%mm1, %%mm0                     \n\t"

        "movq (%%"REG_a"), %%mm1                \n\t"
        PMAXUB(%%mm1, %%mm4)
        PMINUB(%%mm1, %%mm3, %%mm5)
        "psubb %%mm1, %%mm2                     \n\t"
        "paddb %%mm7, %%mm2                     \n\t"
        "pcmpgtb %%mm6, %%mm2                   \n\t"
        "paddb %%mm2, %%mm0                     \n\t"

        "movq (%%"REG_a", %3), %%mm2            \n\t"
        PMAXUB(%%mm2, %%mm4)
        PMINUB(%%mm2, %%mm3, %%mm5)
        "psubb %%mm2, %%mm1                     \n\t"
        "paddb %%mm7, %%mm1                     \n\t"
        "pcmpgtb %%mm6, %%mm1                   \n\t"
        "paddb %%mm1, %%mm0                     \n\t"

        "movq (%%"REG_a", %3, 2), %%mm1         \n\t"
        PMAXUB(%%mm1, %%mm4)
        PMINUB(%%mm1, %%mm3, %%mm5)
        "psubb %%mm1, %%mm2                     \n\t"
        "paddb %%mm7, %%mm2                     \n\t"
        "pcmpgtb %%mm6, %%mm2                   \n\t"
        "paddb %%mm2, %%mm0                     \n\t"
        "psubusb %%mm3, %%mm4                   \n\t"

        "                                       \n\t"
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#if HAVE_MMX2
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        "pxor %%mm7, %%mm7                      \n\t"
        "psadbw %%mm7, %%mm0                    \n\t"
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#else
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        "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"
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#endif
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        "movq %4, %%mm7                         \n\t" // QP,..., QP
        "paddusb %%mm7, %%mm7                   \n\t" // 2QP ... 2QP
        "psubusb %%mm7, %%mm4                   \n\t" // Diff <= 2QP -> 0
        "packssdw %%mm4, %%mm4                  \n\t"
        "movd %%mm0, %0                         \n\t"
        "movd %%mm4, %1                         \n\t"

        : "=r" (numEq), "=r" (dcOk)
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        : "r" (src), "r" ((x86_reg)stride), "m" (c->pQPb)
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        : "%"REG_a
        );

    numEq= (-numEq) &0xFF;
    if(numEq > c->ppMode.flatnessThreshold){
        if(dcOk) return 0;
        else     return 1;
    }else{
        return 2;
    }
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}
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#endif //HAVE_MMX
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/**
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 * Do a vertical low pass filter on the 8x16 block (only write to the 8x8 block in the middle)
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 * using the 9-Tap Filter (1,1,2,2,4,2,2,1,1)/16
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 */
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#if !HAVE_ALTIVEC
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static inline void RENAME(doVertLowPass)(uint8_t *src, int stride, PPContext *c)
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{
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#if HAVE_MMX2 || HAVE_AMD3DNOW
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    src+= stride*3;
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    __asm__ volatile(        //"movv %0 %1 %2\n\t"
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        "movq %2, %%mm0                         \n\t"  // QP,..., QP
        "pxor %%mm4, %%mm4                      \n\t"

        "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 %%mm4, %%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"
        "lea (%0, %1, 4), %%"REG_a"             \n\t"
        "lea (%0, %1, 8), %%"REG_c"             \n\t"
        "sub %1, %%"REG_c"                      \n\t"
        "add %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 %%mm4, %%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 ecx     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((%%REGa), %%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((%%REGa,%1,2), %%mm5)                   //     11        /2
        PAVGB((%%REGa), %%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 (%%"REG_c"), %%mm0                \n\t" //       1
        PAVGB((%%REGa, %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 (%%"REG_a", %1, 4), %%mm0         \n\t" //        1
        PAVGB((%%REGc), %%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 (%%"REG_a"), %%mm5                \n\t" //    1
        "movq %%mm6, (%%"REG_a")                \n\t" //    X
        // mm0=7(11) mm1=2(11) mm2=3 mm3=6(11) mm4=1(11) mm5=4 mm7=9
        "movq (%%"REG_a", %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 (%%"REG_a", %1, 2), %%mm6         \n\t" //      1
        PAVGB(%%mm6, %%mm1)                           //  11  4  2        /8
        PAVGB(%%mm0, %%mm1)                           //  11224222        /16
        "movq %%mm1, (%%"REG_a", %1, 2)         \n\t" //      X
        // mm2=3(112) mm3=6(11) mm4=5 mm5=4(11) mm6=6 mm7=9
        PAVGB((%%REGc), %%mm2)                        //   112 4        /8
        "movq (%%"REG_a", %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, (%%"REG_c")                \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, (%%"REG_a", %1, 4)         \n\t" //        X
        "sub %1, %0                             \n\t"

        :
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        : "r" (src), "r" ((x86_reg)stride), "m" (c->pQPb)
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        : "%"REG_a, "%"REG_c
    );
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#else //HAVE_MMX2 || HAVE_AMD3DNOW
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    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<BLOCK_SIZE; x++){
        const int first= FFABS(src[0] - src[l1]) < c->QP ? src[0] : src[l1];
        const int last= FFABS(src[l8] - src[l9]) < c->QP ? src[l9] : src[l8];

        int sums[10];
        sums[0] = 4*first + src[l1] + src[l2] + src[l3] + 4;
        sums[1] = sums[0] - first  + src[l4];
        sums[2] = sums[1] - first  + src[l5];
        sums[3] = sums[2] - first  + src[l6];
        sums[4] = sums[3] - first  + src[l7];
        sums[5] = sums[4] - src[l1] + src[l8];
        sums[6] = sums[5] - src[l2] + last;
        sums[7] = sums[6] - src[l3] + last;
        sums[8] = sums[7] - src[l4] + last;
        sums[9] = sums[8] - src[l5] + last;

        src[l1]= (sums[0] + sums[2] + 2*src[l1])>>4;
        src[l2]= (sums[1] + sums[3] + 2*src[l2])>>4;
        src[l3]= (sums[2] + sums[4] + 2*src[l3])>>4;
        src[l4]= (sums[3] + sums[5] + 2*src[l4])>>4;
        src[l5]= (sums[4] + sums[6] + 2*src[l5])>>4;
        src[l6]= (sums[5] + sums[7] + 2*src[l6])>>4;
        src[l7]= (sums[6] + sums[8] + 2*src[l7])>>4;
        src[l8]= (sums[7] + sums[9] + 2*src[l8])>>4;

        src++;
    }
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#endif //HAVE_MMX2 || HAVE_AMD3DNOW
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}
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#endif //HAVE_ALTIVEC
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/**
 * Experimental Filter 1
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 * will not damage linear gradients
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 * Flat blocks should look like they were passed through the (1,1,2,2,4,2,2,1,1) 9-Tap filter
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 * can only smooth blocks at the expected locations (it cannot smooth them if they did move)
 * MMX2 version does correct clipping C version does not
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 */
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static inline void RENAME(vertX1Filter)(uint8_t *src, int stride, PPContext *co)
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{
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#if HAVE_MMX2 || HAVE_AMD3DNOW
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    src+= stride*3;
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    __asm__ volatile(
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        "pxor %%mm7, %%mm7                      \n\t" // 0
        "lea (%0, %1), %%"REG_a"                \n\t"
        "lea (%%"REG_a", %1, 4), %%"REG_c"      \n\t"
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//      0       1       2       3       4       5       6       7       8       9
//      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1 %0+8%1  ecx+4%1
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        "movq (%%"REG_a", %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 (%%"REG_c"), %%mm3                \n\t" // line 5
        "movq (%%"REG_c", %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
        "movq %2, %%mm0                         \n\t"
        "paddusb %%mm0, %%mm0                   \n\t"
        "psubusb %%mm0, %%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 (%%"REG_c"), %%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, (%%"REG_c")                \n\t" // line 5

        PAVGB(%%mm7, %%mm1)                           // d/4

        "movq (%%"REG_a", %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, (%%"REG_a", %1, 2)         \n\t" // line 3

        "movq (%%"REG_c", %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, (%%"REG_c", %1)            \n\t" // line 6

        PAVGB(%%mm7, %%mm1)                           // d/8

        "movq (%%"REG_a", %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, (%%"REG_a", %1)            \n\t" // line 2

        "movq (%%"REG_c", %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, (%%"REG_c", %1, 2)         \n\t" // line 7

        :
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        : "r" (src), "r" ((x86_reg)stride), "m" (co->pQPb)
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        : "%"REG_a, "%"REG_c
    );
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#else //HAVE_MMX2 || HAVE_AMD3DNOW
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    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<BLOCK_SIZE; x++){
        int a= src[l3] - src[l4];
        int b= src[l4] - src[l5];
        int c= src[l5] - src[l6];

        int d= FFABS(b) - ((FFABS(a) + FFABS(c))>>1);
        d= FFMAX(d, 0);

        if(d < co->QP*2){
            int v = d * FFSIGN(-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;
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        }
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        src++;
    }
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#endif //HAVE_MMX2 || HAVE_AMD3DNOW
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}

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#if !HAVE_ALTIVEC
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static inline void RENAME(doVertDefFilter)(uint8_t src[], int stride, PPContext *c)
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{
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#if HAVE_MMX2 || HAVE_AMD3DNOW
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/*
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    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);
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*/
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    src+= stride*4;
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    __asm__ volatile(
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Diego Biurrun's avatar
Diego Biurrun committed
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#if 0 //slightly more accurate and slightly slower
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        "pxor %%mm7, %%mm7                      \n\t" // 0
        "lea (%0, %1), %%"REG_a"                \n\t"
        "lea (%%"REG_a", %1, 4), %%"REG_c"      \n\t"
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//      0       1       2       3       4       5       6       7
//      %0      %0+%1   %0+2%1  eax+2%1 %0+4%1  eax+4%1 ecx+%1  ecx+2%1
//      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1


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        "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 (%%"REG_a"), %%mm1                \n\t" // l1
        "movq (%%"REG_a", %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
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// mm1= |lenergy|, mm2= l2, mm3= l3, mm7=0

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        "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 (%%"REG_c"), %%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)
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// mm0= SIGN(menergy), mm1= |lenergy|, mm2= l5, mm3= |menergy|, mm4=l4, mm5= l3, mm7=0

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        "movq (%%"REG_c", %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 (%%"REG_c", %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
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// mm0= SIGN(menergy), mm1= |lenergy|/8, mm2= |renergy|/8, mm3= |menergy|/8, mm7=0


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        PMINUB(%%mm2, %%mm1, %%mm4)                   // MIN(|lenergy|,|renergy|)/8
        "movq %2, %%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 (%%"REG_a", %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 (%%"REG_a", %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, (%%"REG_a", %1, 2)         \n\t"
        "movq %%mm2, (%0, %1, 4)                \n\t"
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#endif //0
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        "lea (%0, %1), %%"REG_a"                \n\t"
        "pcmpeqb %%mm6, %%mm6                   \n\t" // -1
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//      0       1       2       3       4       5       6       7
//      %0      %0+%1   %0+2%1  eax+2%1 %0+4%1  eax+4%1 ecx+%1  ecx+2%1
//      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1
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        "movq (%%"REG_a", %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
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// mm1=-l3-1, mm0=128-q

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        "movq (%%"REG_a", %1, 4), %%mm2         \n\t" // l5
        "movq (%%"REG_a", %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
        "lea (%%"REG_a", %1, 4), %%"REG_c"      \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
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// mm1=-l3-1, mm0=128-q, mm3=l2, mm4=menergy/16 + 128, mm5= -l5-1

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        "movq (%%"REG_a"), %%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
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// mm0=128-q, mm3=lenergy/16 + 128, mm4= menergy/16 + 128, mm5= -l5-1

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        PAVGB((%%REGc, %1), %%mm5)                    // (l6-l5+256)/2
        "movq (%%"REG_c", %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
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// mm0=128-q, mm2=renergy/16 + 128, mm3=lenergy/16 + 128, mm4= menergy/16 + 128

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        "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
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// mm0=128-q, mm3=128 + MIN(|lenergy|,|renergy|)/16, mm4= menergy/16 + 128

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        "movq "MANGLE(b00)", %%mm7              \n\t" // 0
        "movq %2, %%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
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// mm0=128-q, mm1= SIGN(menergy), mm2= |menergy|/16 < QP/2, mm4= d/16

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        "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 (%%"REG_a", %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, (%%"REG_a", %1, 2)         \n\t"
        "movq %%mm2, (%0, %1, 4)                \n\t"

        :
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        : "r" (src), "r" ((x86_reg)stride), "m" (c->pQPb)
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        : "%"REG_a, "%"REG_c
    );
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/*
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    {
    int x;
    src-= stride;
    for(x=0; x<BLOCK_SIZE; x++){
        const int middleEnergy= 5*(src[l5] - src[l4]) + 2*(src[l3] - src[l6]);
        if(FFABS(middleEnergy)< 8*QP){
            const int q=(src[l4] - src[l5])/2;
            const int leftEnergy=  5*(src[l3] - src[l2]) + 2*(src[l1] - src[l4]);
            const int rightEnergy= 5*(src[l7] - src[l6]) + 2*(src[l5] - src[l8]);

            int d= FFABS(middleEnergy) - FFMIN( FFABS(leftEnergy), FFABS(rightEnergy) );
            d= FFMAX(d, 0);

            d= (5*d + 32) >> 6;
            d*= FFSIGN(-middleEnergy);

            if(q>0){
                d= d<0 ? 0 : d;
                d= d>q ? q : d;
            }else{
                d= d>0 ? 0 : d;
                d= d<q ? q : d;
            }

            src[l4]-= d;
            src[l5]+= d;
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        }
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        src++;
    }
    src-=8;
    for(x=0; x<8; x++){
        int y;
        for(y=4; y<6; y++){
            int d= src[x+y*stride] - tmp[x+(y-4)*8];
            int ad= FFABS(d);
            static int max=0;
            static int sum=0;
            static int num=0;
            static int bias=0;

            if(max<ad) max=ad;
            sum+= ad>3 ? 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){
                av_log(c, AV_LOG_INFO, " %d %d %d %d\n", num, sum, max, bias);
            }
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        }
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    }
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}
*/
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#elif HAVE_MMX
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    src+= stride*4;
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    __asm__ volatile(
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        "pxor %%mm7, %%mm7                      \n\t"
        "lea -40(%%"REG_SP"), %%"REG_c"         \n\t" // make space for 4 8-byte vars
        "and "ALIGN_MASK", %%"REG_c"            \n\t" // align
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//      0       1       2       3       4       5       6       7
//      %0      %0+%1   %0+2%1  eax+2%1 %0+4%1  eax+4%1 edx+%1  edx+2%1
//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1

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        "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 (%0, %1), %%mm2                   \n\t"
        "lea (%0, %1, 2), %%"REG_a"             \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 (%%"REG_a"), %%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 (%%"REG_a", %1), %%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, (%%"REG_c")                \n\t" // 2L0 - 5L1 + 5L2 - 2L3
        "movq %%mm1, 8(%%"REG_c")               \n\t" // 2H0 - 5H1 + 5H2 - 2H3

        "movq (%%"REG_a", %1, 2), %%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, 16(%%"REG_c")              \n\t" // L3 - L4
        "movq %%mm3, 24(%%"REG_c")              \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

        "lea (%%"REG_a", %1), %0                \n\t"
        "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
837
//50 opcodes so far
838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875
        "movq (%0, %1, 2), %%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 (%%"REG_a", %1, 4), %%mm6         \n\t"
        "punpcklbw %%mm7, %%mm6                 \n\t" // L6
        "psubw %%mm6, %%mm2                     \n\t" // L5 - L6
        "movq (%%"REG_a", %1, 4), %%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 (%0, %1, 4), %%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 (%%"REG_c"), %%mm2                \n\t" // 2L0 - 5L1 + 5L2 - 2L3
        "movq 8(%%"REG_c"), %%mm3               \n\t" // 2H0 - 5H1 + 5H2 - 2H3
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877
#if HAVE_MMX2
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        "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|
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#else
891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906
        "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|
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#endif
908

909
#if HAVE_MMX2
910 911
        "pminsw %%mm2, %%mm0                    \n\t"
        "pminsw %%mm3, %%mm1                    \n\t"
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#else
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        "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"
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#endif

921 922
        "movd %2, %%mm2                         \n\t" // QP
        "punpcklbw %%mm7, %%mm2                 \n\t"
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924 925 926 927 928 929 930
        "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|
931
// 100 opcodes
932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971
        "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 16(%%"REG_c"), %%mm0              \n\t" // L3 - L4
        "movq 24(%%"REG_c"), %%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"
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973
#if HAVE_MMX2
974 975
        "pminsw %%mm0, %%mm4                    \n\t"
        "pminsw %%mm1, %%mm5                    \n\t"
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#else
977 978 979 980 981 982
        "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"
983
#endif
984 985 986 987 988 989 990 991 992 993 994 995 996
        "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 (%0), %%mm0                       \n\t"
        "paddb   %%mm4, %%mm0                   \n\t"
        "movq %%mm0, (%0)                       \n\t"
        "movq (%0, %1), %%mm0                   \n\t"
        "psubb %%mm4, %%mm0                     \n\t"
        "movq %%mm0, (%0, %1)                   \n\t"

        : "+r" (src)
997
        : "r" ((x86_reg)stride), "m" (c->pQPb)
998 999
        : "%"REG_a, "%"REG_c
    );
1000
#else //HAVE_MMX2 || HAVE_AMD3DNOW
1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034
    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<BLOCK_SIZE; x++){
        const int middleEnergy= 5*(src[l5] - src[l4]) + 2*(src[l3] - src[l6]);
        if(FFABS(middleEnergy) < 8*c->QP){
            const int q=(src[l4] - src[l5])/2;
            const int leftEnergy=  5*(src[l3] - src[l2]) + 2*(src[l1] - src[l4]);
            const int rightEnergy= 5*(src[l7] - src[l6]) + 2*(src[l5] - src[l8]);

            int d= FFABS(middleEnergy) - FFMIN( FFABS(leftEnergy), FFABS(rightEnergy) );
            d= FFMAX(d, 0);

            d= (5*d + 32) >> 6;
            d*= FFSIGN(-middleEnergy);

            if(q>0){
                d= d<0 ? 0 : d;
                d= d>q ? q : d;
            }else{
                d= d>0 ? 0 : d;
                d= d<q ? q : d;
            }

            src[l4]-= d;
            src[l5]+= d;
1035
        }
1036 1037
        src++;
    }
1038
#endif //HAVE_MMX2 || HAVE_AMD3DNOW
1039
}
1040
#endif //HAVE_ALTIVEC
1041

1042
#if !HAVE_ALTIVEC
1043
static inline void RENAME(dering)(uint8_t src[], int stride, PPContext *c)
1044
{
1045
#if HAVE_MMX2 || HAVE_AMD3DNOW
1046
    __asm__ volatile(
1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057
        "pxor %%mm6, %%mm6                      \n\t"
        "pcmpeqb %%mm7, %%mm7                   \n\t"
        "movq %2, %%mm0                         \n\t"
        "punpcklbw %%mm6, %%mm0                 \n\t"
        "psrlw $1, %%mm0                        \n\t"
        "psubw %%mm7, %%mm0                     \n\t"
        "packuswb %%mm0, %%mm0                  \n\t"
        "movq %%mm0, %3                         \n\t"

        "lea (%0, %1), %%"REG_a"                \n\t"
        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1058 1059 1060

//        0        1        2        3        4        5        6        7        8        9
//        %0        eax        eax+%1        eax+2%1        %0+4%1        edx        edx+%1        edx+2%1        %0+8%1        edx+4%1
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1062
#undef FIND_MIN_MAX
1063
#if HAVE_MMX2
1064
#define REAL_FIND_MIN_MAX(addr)\
1065 1066 1067
        "movq " #addr ", %%mm0                  \n\t"\
        "pminub %%mm0, %%mm7                    \n\t"\
        "pmaxub %%mm0, %%mm6                    \n\t"
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#else
1069
#define REAL_FIND_MIN_MAX(addr)\
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        "movq " #addr ", %%mm0                  \n\t"\
        "movq %%mm7, %%mm1                      \n\t"\
        "psubusb %%mm0, %%mm6                   \n\t"\
        "paddb %%mm0, %%mm6                     \n\t"\
        "psubusb %%mm0, %%mm1                   \n\t"\
        "psubb %%mm1, %%mm7                     \n\t"
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#endif
1077
#define FIND_MIN_MAX(addr)  REAL_FIND_MIN_MAX(addr)
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1079 1080 1081
FIND_MIN_MAX((%%REGa))
FIND_MIN_MAX((%%REGa, %1))
FIND_MIN_MAX((%%REGa, %1, 2))
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1082
FIND_MIN_MAX((%0, %1, 4))
1083 1084 1085
FIND_MIN_MAX((%%REGd))
FIND_MIN_MAX((%%REGd, %1))
FIND_MIN_MAX((%%REGd, %1, 2))
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1086
FIND_MIN_MAX((%0, %1, 8))
1087

1088 1089
        "movq %%mm7, %%mm4                      \n\t"
        "psrlq $8, %%mm7                        \n\t"
1090
#if HAVE_MMX2
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        "pminub %%mm4, %%mm7                    \n\t" // min of pixels
        "pshufw $0xF9, %%mm7, %%mm4             \n\t"
        "pminub %%mm4, %%mm7                    \n\t" // min of pixels
        "pshufw $0xFE, %%mm7, %%mm4             \n\t"
        "pminub %%mm4, %%mm7                    \n\t"
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#else
1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109
        "movq %%mm7, %%mm1                      \n\t"
        "psubusb %%mm4, %%mm1                   \n\t"
        "psubb %%mm1, %%mm7                     \n\t"
        "movq %%mm7, %%mm4                      \n\t"
        "psrlq $16, %%mm7                       \n\t"
        "movq %%mm7, %%mm1                      \n\t"
        "psubusb %%mm4, %%mm1                   \n\t"
        "psubb %%mm1, %%mm7                     \n\t"
        "movq %%mm7, %%mm4                      \n\t"
        "psrlq $32, %%mm7                       \n\t"
        "movq %%mm7, %%mm1                      \n\t"
        "psubusb %%mm4, %%mm1                   \n\t"
        "psubb %%mm1, %%mm7                     \n\t"
1110
#endif
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1113 1114
        "movq %%mm6, %%mm4                      \n\t"
        "psrlq $8, %%mm6                        \n\t"
1115
#if HAVE_MMX2
1116 1117 1118 1119 1120
        "pmaxub %%mm4, %%mm6                    \n\t" // max of pixels
        "pshufw $0xF9, %%mm6, %%mm4             \n\t"
        "pmaxub %%mm4, %%mm6                    \n\t"
        "pshufw $0xFE, %%mm6, %%mm4             \n\t"
        "pmaxub %%mm4, %%mm6                    \n\t"
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#else
1122 1123 1124 1125 1126 1127 1128 1129 1130 1131
        "psubusb %%mm4, %%mm6                   \n\t"
        "paddb %%mm4, %%mm6                     \n\t"
        "movq %%mm6, %%mm4                      \n\t"
        "psrlq $16, %%mm6                       \n\t"
        "psubusb %%mm4, %%mm6                   \n\t"
        "paddb %%mm4, %%mm6                     \n\t"
        "movq %%mm6, %%mm4                      \n\t"
        "psrlq $32, %%mm6                       \n\t"
        "psubusb %%mm4, %%mm6                   \n\t"
        "paddb %%mm4, %%mm6                     \n\t"
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#endif
1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190
        "movq %%mm6, %%mm0                      \n\t" // max
        "psubb %%mm7, %%mm6                     \n\t" // max - min
        "movd %%mm6, %%ecx                      \n\t"
        "cmpb "MANGLE(deringThreshold)", %%cl   \n\t"
        " jb 1f                                 \n\t"
        "lea -24(%%"REG_SP"), %%"REG_c"         \n\t"
        "and "ALIGN_MASK", %%"REG_c"            \n\t"
        PAVGB(%%mm0, %%mm7)                           // a=(max + min)/2
        "punpcklbw %%mm7, %%mm7                 \n\t"
        "punpcklbw %%mm7, %%mm7                 \n\t"
        "punpcklbw %%mm7, %%mm7                 \n\t"
        "movq %%mm7, (%%"REG_c")                \n\t"

        "movq (%0), %%mm0                       \n\t" // L10
        "movq %%mm0, %%mm1                      \n\t" // L10
        "movq %%mm0, %%mm2                      \n\t" // L10
        "psllq $8, %%mm1                        \n\t"
        "psrlq $8, %%mm2                        \n\t"
        "movd -4(%0), %%mm3                     \n\t"
        "movd 8(%0), %%mm4                      \n\t"
        "psrlq $24, %%mm3                       \n\t"
        "psllq $56, %%mm4                       \n\t"
        "por %%mm3, %%mm1                       \n\t" // L00
        "por %%mm4, %%mm2                       \n\t" // L20
        "movq %%mm1, %%mm3                      \n\t" // L00
        PAVGB(%%mm2, %%mm1)                           // (L20 + L00)/2
        PAVGB(%%mm0, %%mm1)                           // (L20 + L00 + 2L10)/4
        "psubusb %%mm7, %%mm0                   \n\t"
        "psubusb %%mm7, %%mm2                   \n\t"
        "psubusb %%mm7, %%mm3                   \n\t"
        "pcmpeqb "MANGLE(b00)", %%mm0           \n\t" // L10 > 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 (%%"REG_a"), %%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(%%"REG_a"), %%mm5              \n\t"
        "movd 8(%%"REG_a"), %%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"
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// 0, 2, 3, 1
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#define REAL_DERING_CORE(dst,src,ppsx,psx,sx,pplx,plx,lx,t0,t1) \
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        "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 ", 8(%%"REG_c")             \n\t"\
        "movq (%%"REG_c"), " #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"\
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\
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        PAVGB(plx, pplx)                              /* filtered */\
        "movq " #dst ", " #t0 "                 \n\t" /* dst */\
        "movq " #t0 ", " #t1 "                  \n\t" /* dst */\
        "psubusb %3, " #t0 "                    \n\t"\
        "paddusb %3, " #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 8(%%"REG_c"), " #lx "             \n\t"
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#define DERING_CORE(dst,src,ppsx,psx,sx,pplx,plx,lx,t0,t1) \
   REAL_DERING_CORE(dst,src,ppsx,psx,sx,pplx,plx,lx,t0,t1)
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/*
0000000
1111111
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1111110
1111101
1111100
1111011
1111010
1111001
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1111000
1110111
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*/
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//DERING_CORE(dst          ,src            ,ppsx ,psx  ,sx   ,pplx ,plx  ,lx   ,t0   ,t1)
DERING_CORE((%%REGa)       ,(%%REGa, %1)   ,%%mm0,%%mm2,%%mm4,%%mm1,%%mm3,%%mm5,%%mm6,%%mm7)
DERING_CORE((%%REGa, %1)   ,(%%REGa, %1, 2),%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,%%mm6,%%mm7)
DERING_CORE((%%REGa, %1, 2),(%0, %1, 4)    ,%%mm4,%%mm0,%%mm2,%%mm5,%%mm1,%%mm3,%%mm6,%%mm7)
DERING_CORE((%0, %1, 4)    ,(%%REGd)       ,%%mm0,%%mm2,%%mm4,%%mm1,%%mm3,%%mm5,%%mm6,%%mm7)
DERING_CORE((%%REGd)       ,(%%REGd, %1)   ,%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,%%mm6,%%mm7)
DERING_CORE((%%REGd, %1)   ,(%%REGd, %1, 2),%%mm4,%%mm0,%%mm2,%%mm5,%%mm1,%%mm3,%%mm6,%%mm7)
DERING_CORE((%%REGd, %1, 2),(%0, %1, 8)    ,%%mm0,%%mm2,%%mm4,%%mm1,%%mm3,%%mm5,%%mm6,%%mm7)
DERING_CORE((%0, %1, 8)    ,(%%REGd, %1, 4),%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,%%mm6,%%mm7)

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        "1:                        \n\t"
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        : : "r" (src), "r" ((x86_reg)stride), "m" (c->pQPb), "m"(c->pQPb2)
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        : "%"REG_a, "%"REG_d, "%"REG_c
    );
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#else //HAVE_MMX2 || HAVE_AMD3DNOW
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    int y;
    int min=255;
    int max=0;
    int avg;
    uint8_t *p;
    int s[10];
    const int QP2= c->QP/2 + 1;

    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;
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        }
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    }
    avg= (min + max + 1)>>1;

    if(max - min <deringThreshold) return;

    for(y=0; y<10; y++){
        int t = 0;

        if(src[stride*y + 0] > avg) t+= 1;
        if(src[stride*y + 1] > avg) t+= 2;
        if(src[stride*y + 2] > avg) t+= 4;
        if(src[stride*y + 3] > avg) t+= 8;
        if(src[stride*y + 4] > avg) t+= 16;
        if(src[stride*y + 5] > avg) t+= 32;
        if(src[stride*y + 6] > avg) t+= 64;
        if(src[stride*y + 7] > avg) t+= 128;
        if(src[stride*y + 8] > avg) t+= 256;
        if(src[stride*y + 9] > avg) t+= 512;

        t |= (~t)<<16;
        t &= (t<<1) & (t>>1);
        s[y] = t;
    }

    for(y=1; y<9; y++){
        int t = s[y-1] & s[y] & s[y+1];
        t|= t>>16;
        s[y-1]= t;
    }

    for(y=1; y<9; y++){
        int x;
        int t = s[y-1];
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        p= src + stride*y;
        for(x=1; x<9; x++){
            p++;
            if(t & (1<<x)){
                int f= (*(p-stride-1)) + 2*(*(p-stride)) + (*(p-stride+1))
                      +2*(*(p     -1)) + 4*(*p         ) + 2*(*(p     +1))
                      +(*(p+stride-1)) + 2*(*(p+stride)) + (*(p+stride+1));
                f= (f + 8)>>4;
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#ifdef DEBUG_DERING_THRESHOLD
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                    __asm__ volatile("emms\n\t":);
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                    {
                    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<QP/2)
                    if(max-min < 20){
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                        static int numSkipped=0;
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                        static int errorSum=0;
                        static int worstQP=0;
                        static int worstRange=0;
                        static int worstDiff=0;
                        int diff= (f - *p);
                        int absDiff= FFABS(diff);
                        int error= diff*diff;

                        if(x==1 || x==8 || y==1 || y==8) continue;

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                        numSkipped++;
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                        if(absDiff > worstDiff){
                            worstDiff= absDiff;
                            worstQP= QP;
                            worstRange= max-min;
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                        }
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                        errorSum+= error;

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                        if(1024LL*1024LL*1024LL % numSkipped == 0){
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                            av_log(c, AV_LOG_INFO, "sum:%1.3f, skip:%d, wQP:%d, "
                                   "wRange:%d, wDiff:%d, relSkip:%1.3f\n",
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                                   (float)errorSum/numSkipped, numSkipped, worstQP, worstRange,
                                   worstDiff, (float)numSkipped/numPixels);
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                        }
                    }
                    }
#endif
                    if     (*p + QP2 < f) *p= *p + QP2;
                    else if(*p - QP2 > f) *p= *p - QP2;
                    else *p=f;
            }
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        }
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    }
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#ifdef DEBUG_DERING_THRESHOLD
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    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 = FFMIN(*p + 20, 255);
            }
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        }
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//        src[0] = src[7]=src[stride*7]=src[stride*7 + 7]=255;
    }
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#endif
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#endif //HAVE_MMX2 || HAVE_AMD3DNOW
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}
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#endif //HAVE_ALTIVEC
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/**
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 * Deinterlaces the given block by linearly interpolating every second line.
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 * will be called for every 8x8 block and can read & write from line 4-15
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 * lines 0-3 have been passed through the deblock / dering filters already, but can be read, too.
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 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
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 */
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static inline void RENAME(deInterlaceInterpolateLinear)(uint8_t src[], int stride)
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{
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#if HAVE_MMX2 || HAVE_AMD3DNOW
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    src+= 4*stride;
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    __asm__ volatile(
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        "lea (%0, %1), %%"REG_a"                \n\t"
        "lea (%%"REG_a", %1, 4), %%"REG_c"      \n\t"
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//      0       1       2       3       4       5       6       7       8       9
//      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1 %0+8%1  ecx+4%1

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        "movq (%0), %%mm0                       \n\t"
        "movq (%%"REG_a", %1), %%mm1            \n\t"
        PAVGB(%%mm1, %%mm0)
        "movq %%mm0, (%%"REG_a")                \n\t"
        "movq (%0, %1, 4), %%mm0                \n\t"
        PAVGB(%%mm0, %%mm1)
        "movq %%mm1, (%%"REG_a", %1, 2)         \n\t"
        "movq (%%"REG_c", %1), %%mm1            \n\t"
        PAVGB(%%mm1, %%mm0)
        "movq %%mm0, (%%"REG_c")                \n\t"
        "movq (%0, %1, 8), %%mm0                \n\t"
        PAVGB(%%mm0, %%mm1)
        "movq %%mm1, (%%"REG_c", %1, 2)         \n\t"

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        : : "r" (src), "r" ((x86_reg)stride)
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        : "%"REG_a, "%"REG_c
    );
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#else
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    int a, b, x;
    src+= 4*stride;

    for(x=0; x<2; x++){
        a= *(uint32_t*)&src[stride*0];
        b= *(uint32_t*)&src[stride*2];
        *(uint32_t*)&src[stride*1]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
        a= *(uint32_t*)&src[stride*4];
        *(uint32_t*)&src[stride*3]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
        b= *(uint32_t*)&src[stride*6];
        *(uint32_t*)&src[stride*5]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
        a= *(uint32_t*)&src[stride*8];
        *(uint32_t*)&src[stride*7]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
        src += 4;
    }
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#endif
}

/**
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 * Deinterlaces the given block by cubic interpolating every second line.
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 * will be called for every 8x8 block and can read & write from line 4-15
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 * lines 0-3 have been passed through the deblock / dering filters already, but can be read, too.
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 * 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
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 */
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static inline void RENAME(deInterlaceInterpolateCubic)(uint8_t src[], int stride)
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{
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#if HAVE_MMX2 || HAVE_AMD3DNOW
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    src+= stride*3;
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    __asm__ volatile(
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        "lea (%0, %1), %%"REG_a"                \n\t"
        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
        "lea (%%"REG_d", %1, 4), %%"REG_c"      \n\t"
        "add %1, %%"REG_c"                      \n\t"
        "pxor %%mm7, %%mm7                      \n\t"
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//      0       1       2       3       4       5       6       7       8       9       10
//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1 ecx
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#define REAL_DEINT_CUBIC(a,b,c,d,e)\
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        "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"
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#define DEINT_CUBIC(a,b,c,d,e)  REAL_DEINT_CUBIC(a,b,c,d,e)
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DEINT_CUBIC((%0)        , (%%REGa, %1), (%%REGa, %1, 2), (%0, %1, 4) , (%%REGd, %1))
DEINT_CUBIC((%%REGa, %1), (%0, %1, 4) , (%%REGd)       , (%%REGd, %1), (%0, %1, 8))
DEINT_CUBIC((%0, %1, 4) , (%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8) , (%%REGc))
DEINT_CUBIC((%%REGd, %1), (%0, %1, 8) , (%%REGd, %1, 4), (%%REGc)    , (%%REGc, %1, 2))
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        : : "r" (src), "r" ((x86_reg)stride)
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        : "%"REG_a, "%"REG_d, "%"REG_c
    );
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#else //HAVE_MMX2 || HAVE_AMD3DNOW
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    int x;
    src+= stride*3;
    for(x=0; x<8; x++){
        src[stride*3] = CLIP((-src[0]        + 9*src[stride*2] + 9*src[stride*4] - src[stride*6])>>4);
        src[stride*5] = CLIP((-src[stride*2] + 9*src[stride*4] + 9*src[stride*6] - src[stride*8])>>4);
        src[stride*7] = CLIP((-src[stride*4] + 9*src[stride*6] + 9*src[stride*8] - src[stride*10])>>4);
        src[stride*9] = CLIP((-src[stride*6] + 9*src[stride*8] + 9*src[stride*10] - src[stride*12])>>4);
        src++;
    }
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#endif //HAVE_MMX2 || HAVE_AMD3DNOW
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}

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/**
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 * Deinterlaces the given block by filtering every second line with a (-1 4 2 4 -1) filter.
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 * will be called for every 8x8 block and can read & write from line 4-15
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 * lines 0-3 have been passed through the deblock / dering filters already, but can be read, too.
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 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
 * this filter will read lines 4-13 and write 5-11
 */
static inline void RENAME(deInterlaceFF)(uint8_t src[], int stride, uint8_t *tmp)
{
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#if HAVE_MMX2 || HAVE_AMD3DNOW
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    src+= stride*4;
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    __asm__ volatile(
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        "lea (%0, %1), %%"REG_a"                \n\t"
        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
        "pxor %%mm7, %%mm7                      \n\t"
        "movq (%2), %%mm0                       \n\t"
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//      0       1       2       3       4       5       6       7       8       9       10
//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1 ecx
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#define REAL_DEINT_FF(a,b,c,d)\
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        "movq " #a ", %%mm1                     \n\t"\
        "movq " #b ", %%mm2                     \n\t"\
        "movq " #c ", %%mm3                     \n\t"\
        "movq " #d ", %%mm4                     \n\t"\
        PAVGB(%%mm3, %%mm1)                          \
        PAVGB(%%mm4, %%mm0)                          \
        "movq %%mm0, %%mm3                      \n\t"\
        "punpcklbw %%mm7, %%mm0                 \n\t"\
        "punpckhbw %%mm7, %%mm3                 \n\t"\
        "movq %%mm1, %%mm4                      \n\t"\
        "punpcklbw %%mm7, %%mm1                 \n\t"\
        "punpckhbw %%mm7, %%mm4                 \n\t"\
        "psllw $2, %%mm1                        \n\t"\
        "psllw $2, %%mm4                        \n\t"\
        "psubw %%mm0, %%mm1                     \n\t"\
        "psubw %%mm3, %%mm4                     \n\t"\
        "movq %%mm2, %%mm5                      \n\t"\
        "movq %%mm2, %%mm0                      \n\t"\
        "punpcklbw %%mm7, %%mm2                 \n\t"\
        "punpckhbw %%mm7, %%mm5                 \n\t"\
        "paddw %%mm2, %%mm1                     \n\t"\
        "paddw %%mm5, %%mm4                     \n\t"\
        "psraw $2, %%mm1                        \n\t"\
        "psraw $2, %%mm4                        \n\t"\
        "packuswb %%mm4, %%mm1                  \n\t"\
        "movq %%mm1, " #b "                     \n\t"\
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#define DEINT_FF(a,b,c,d)  REAL_DEINT_FF(a,b,c,d)

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DEINT_FF((%0)        , (%%REGa)       , (%%REGa, %1), (%%REGa, %1, 2))
DEINT_FF((%%REGa, %1), (%%REGa, %1, 2), (%0, %1, 4) , (%%REGd)       )
DEINT_FF((%0, %1, 4) , (%%REGd)       , (%%REGd, %1), (%%REGd, %1, 2))
DEINT_FF((%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8) , (%%REGd, %1, 4))
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        "movq %%mm0, (%2)                       \n\t"
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        : : "r" (src), "r" ((x86_reg)stride), "r"(tmp)
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        : "%"REG_a, "%"REG_d
    );
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#else //HAVE_MMX2 || HAVE_AMD3DNOW
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    int x;
    src+= stride*4;
    for(x=0; x<8; x++){
        int t1= tmp[x];
        int t2= src[stride*1];

        src[stride*1]= CLIP((-t1 + 4*src[stride*0] + 2*t2 + 4*src[stride*2] - src[stride*3] + 4)>>3);
        t1= src[stride*4];
        src[stride*3]= CLIP((-t2 + 4*src[stride*2] + 2*t1 + 4*src[stride*4] - src[stride*5] + 4)>>3);
        t2= src[stride*6];
        src[stride*5]= CLIP((-t1 + 4*src[stride*4] + 2*t2 + 4*src[stride*6] - src[stride*7] + 4)>>3);
        t1= src[stride*8];
        src[stride*7]= CLIP((-t2 + 4*src[stride*6] + 2*t1 + 4*src[stride*8] - src[stride*9] + 4)>>3);
        tmp[x]= t1;

        src++;
    }
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#endif //HAVE_MMX2 || HAVE_AMD3DNOW
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}

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/**
 * Deinterlaces the given block by filtering every line with a (-1 2 6 2 -1) filter.
 * will be called for every 8x8 block and can read & write from line 4-15
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Diego Biurrun committed
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 * lines 0-3 have been passed through the deblock / dering filters already, but can be read, too.
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 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
 * this filter will read lines 4-13 and write 4-11
 */
static inline void RENAME(deInterlaceL5)(uint8_t src[], int stride, uint8_t *tmp, uint8_t *tmp2)
{
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#if HAVE_MMX2 || HAVE_AMD3DNOW
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    src+= stride*4;
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    __asm__ volatile(
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        "lea (%0, %1), %%"REG_a"                \n\t"
        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
        "pxor %%mm7, %%mm7                      \n\t"
        "movq (%2), %%mm0                       \n\t"
        "movq (%3), %%mm1                       \n\t"
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//      0       1       2       3       4       5       6       7       8       9       10
//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1 ecx
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#define REAL_DEINT_L5(t1,t2,a,b,c)\
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        "movq " #a ", %%mm2                     \n\t"\
        "movq " #b ", %%mm3                     \n\t"\
        "movq " #c ", %%mm4                     \n\t"\
        PAVGB(t2, %%mm3)                             \
        PAVGB(t1, %%mm4)                             \
        "movq %%mm2, %%mm5                      \n\t"\
        "movq %%mm2, " #t1 "                    \n\t"\
        "punpcklbw %%mm7, %%mm2                 \n\t"\
        "punpckhbw %%mm7, %%mm5                 \n\t"\
        "movq %%mm2, %%mm6                      \n\t"\
        "paddw %%mm2, %%mm2                     \n\t"\
        "paddw %%mm6, %%mm2                     \n\t"\
        "movq %%mm5, %%mm6                      \n\t"\
        "paddw %%mm5, %%mm5                     \n\t"\
        "paddw %%mm6, %%mm5                     \n\t"\
        "movq %%mm3, %%mm6                      \n\t"\
        "punpcklbw %%mm7, %%mm3                 \n\t"\
        "punpckhbw %%mm7, %%mm6                 \n\t"\
        "paddw %%mm3, %%mm3                     \n\t"\
        "paddw %%mm6, %%mm6                     \n\t"\
        "paddw %%mm3, %%mm2                     \n\t"\
        "paddw %%mm6, %%mm5                     \n\t"\
        "movq %%mm4, %%mm6                      \n\t"\
        "punpcklbw %%mm7, %%mm4                 \n\t"\
        "punpckhbw %%mm7, %%mm6                 \n\t"\
        "psubw %%mm4, %%mm2                     \n\t"\
        "psubw %%mm6, %%mm5                     \n\t"\
        "psraw $2, %%mm2                        \n\t"\
        "psraw $2, %%mm5                        \n\t"\
        "packuswb %%mm5, %%mm2                  \n\t"\
        "movq %%mm2, " #a "                     \n\t"\
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#define DEINT_L5(t1,t2,a,b,c)  REAL_DEINT_L5(t1,t2,a,b,c)

DEINT_L5(%%mm0, %%mm1, (%0)           , (%%REGa)       , (%%REGa, %1)   )
DEINT_L5(%%mm1, %%mm0, (%%REGa)       , (%%REGa, %1)   , (%%REGa, %1, 2))
DEINT_L5(%%mm0, %%mm1, (%%REGa, %1)   , (%%REGa, %1, 2), (%0, %1, 4)   )
DEINT_L5(%%mm1, %%mm0, (%%REGa, %1, 2), (%0, %1, 4)    , (%%REGd)       )
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DEINT_L5(%%mm0, %%mm1, (%0, %1, 4)    , (%%REGd)       , (%%REGd, %1)   )
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DEINT_L5(%%mm1, %%mm0, (%%REGd)       , (%%REGd, %1)   , (%%REGd, %1, 2))
DEINT_L5(%%mm0, %%mm1, (%%REGd, %1)   , (%%REGd, %1, 2), (%0, %1, 8)   )
DEINT_L5(%%mm1, %%mm0, (%%REGd, %1, 2), (%0, %1, 8)    , (%%REGd, %1, 4))
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        "movq %%mm0, (%2)                       \n\t"
        "movq %%mm1, (%3)                       \n\t"
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        : : "r" (src), "r" ((x86_reg)stride), "r"(tmp), "r"(tmp2)
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        : "%"REG_a, "%"REG_d
    );
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#else //HAVE_MMX2 || HAVE_AMD3DNOW
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    int x;
    src+= stride*4;
    for(x=0; x<8; x++){
        int t1= tmp[x];
        int t2= tmp2[x];
        int t3= src[0];

        src[stride*0]= CLIP((-(t1 + src[stride*2]) + 2*(t2 + src[stride*1]) + 6*t3 + 4)>>3);
        t1= src[stride*1];
        src[stride*1]= CLIP((-(t2 + src[stride*3]) + 2*(t3 + src[stride*2]) + 6*t1 + 4)>>3);
        t2= src[stride*2];
        src[stride*2]= CLIP((-(t3 + src[stride*4]) + 2*(t1 + src[stride*3]) + 6*t2 + 4)>>3);
        t3= src[stride*3];
        src[stride*3]= CLIP((-(t1 + src[stride*5]) + 2*(t2 + src[stride*4]) + 6*t3 + 4)>>3);
        t1= src[stride*4];
        src[stride*4]= CLIP((-(t2 + src[stride*6]) + 2*(t3 + src[stride*5]) + 6*t1 + 4)>>3);
        t2= src[stride*5];
        src[stride*5]= CLIP((-(t3 + src[stride*7]) + 2*(t1 + src[stride*6]) + 6*t2 + 4)>>3);
        t3= src[stride*6];
        src[stride*6]= CLIP((-(t1 + src[stride*8]) + 2*(t2 + src[stride*7]) + 6*t3 + 4)>>3);
        t1= src[stride*7];
        src[stride*7]= CLIP((-(t2 + src[stride*9]) + 2*(t3 + src[stride*8]) + 6*t1 + 4)>>3);

        tmp[x]= t3;
        tmp2[x]= t1;

        src++;
    }
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#endif //HAVE_MMX2 || HAVE_AMD3DNOW
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}

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/**
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1687
 * Deinterlaces the given block by filtering all lines with a (1 2 1) filter.
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1688
 * will be called for every 8x8 block and can read & write from line 4-15
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 * lines 0-3 have been passed through the deblock / dering filters already, but can be read, too.
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 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
 * this filter will read lines 4-13 and write 4-11
1692
 */
1693
static inline void RENAME(deInterlaceBlendLinear)(uint8_t src[], int stride, uint8_t *tmp)
1694
{
1695
#if HAVE_MMX2 || HAVE_AMD3DNOW
1696
    src+= 4*stride;
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    __asm__ volatile(
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        "lea (%0, %1), %%"REG_a"                \n\t"
        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
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//      0       1       2       3       4       5       6       7       8       9
//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1

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        "movq (%2), %%mm0                       \n\t" // L0
        "movq (%%"REG_a"), %%mm1                \n\t" // L2
        PAVGB(%%mm1, %%mm0)                           // L0+L2
        "movq (%0), %%mm2                       \n\t" // L1
        PAVGB(%%mm2, %%mm0)
        "movq %%mm0, (%0)                       \n\t"
        "movq (%%"REG_a", %1), %%mm0            \n\t" // L3
        PAVGB(%%mm0, %%mm2)                           // L1+L3
        PAVGB(%%mm1, %%mm2)                           // 2L2 + L1 + L3
        "movq %%mm2, (%%"REG_a")                \n\t"
        "movq (%%"REG_a", %1, 2), %%mm2         \n\t" // L4
        PAVGB(%%mm2, %%mm1)                           // L2+L4
        PAVGB(%%mm0, %%mm1)                           // 2L3 + L2 + L4
        "movq %%mm1, (%%"REG_a", %1)            \n\t"
        "movq (%0, %1, 4), %%mm1                \n\t" // L5
        PAVGB(%%mm1, %%mm0)                           // L3+L5
        PAVGB(%%mm2, %%mm0)                           // 2L4 + L3 + L5
        "movq %%mm0, (%%"REG_a", %1, 2)         \n\t"
        "movq (%%"REG_d"), %%mm0                \n\t" // L6
        PAVGB(%%mm0, %%mm2)                           // L4+L6
        PAVGB(%%mm1, %%mm2)                           // 2L5 + L4 + L6
        "movq %%mm2, (%0, %1, 4)                \n\t"
        "movq (%%"REG_d", %1), %%mm2            \n\t" // L7
        PAVGB(%%mm2, %%mm1)                           // L5+L7
        PAVGB(%%mm0, %%mm1)                           // 2L6 + L5 + L7
        "movq %%mm1, (%%"REG_d")                \n\t"
        "movq (%%"REG_d", %1, 2), %%mm1         \n\t" // L8
        PAVGB(%%mm1, %%mm0)                           // L6+L8
        PAVGB(%%mm2, %%mm0)                           // 2L7 + L6 + L8
        "movq %%mm0, (%%"REG_d", %1)            \n\t"
        "movq (%0, %1, 8), %%mm0                \n\t" // L9
        PAVGB(%%mm0, %%mm2)                           // L7+L9
        PAVGB(%%mm1, %%mm2)                           // 2L8 + L7 + L9
        "movq %%mm2, (%%"REG_d", %1, 2)         \n\t"
        "movq %%mm1, (%2)                       \n\t"

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        : : "r" (src), "r" ((x86_reg)stride), "r" (tmp)
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        : "%"REG_a, "%"REG_d
    );
1742
#else //HAVE_MMX2 || HAVE_AMD3DNOW
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    int a, b, c, x;
    src+= 4*stride;

    for(x=0; x<2; x++){
        a= *(uint32_t*)&tmp[stride*0];
        b= *(uint32_t*)&src[stride*0];
        c= *(uint32_t*)&src[stride*1];
        a= (a&c) + (((a^c)&0xFEFEFEFEUL)>>1);
        *(uint32_t*)&src[stride*0]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);

        a= *(uint32_t*)&src[stride*2];
        b= (a&b) + (((a^b)&0xFEFEFEFEUL)>>1);
        *(uint32_t*)&src[stride*1]= (c|b) - (((c^b)&0xFEFEFEFEUL)>>1);

        b= *(uint32_t*)&src[stride*3];
        c= (b&c) + (((b^c)&0xFEFEFEFEUL)>>1);
        *(uint32_t*)&src[stride*2]= (c|a) - (((c^a)&0xFEFEFEFEUL)>>1);

        c= *(uint32_t*)&src[stride*4];
        a= (a&c) + (((a^c)&0xFEFEFEFEUL)>>1);
        *(uint32_t*)&src[stride*3]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);

        a= *(uint32_t*)&src[stride*5];
        b= (a&b) + (((a^b)&0xFEFEFEFEUL)>>1);
        *(uint32_t*)&src[stride*4]= (c|b) - (((c^b)&0xFEFEFEFEUL)>>1);

        b= *(uint32_t*)&src[stride*6];
        c= (b&c) + (((b^c)&0xFEFEFEFEUL)>>1);
        *(uint32_t*)&src[stride*5]= (c|a) - (((c^a)&0xFEFEFEFEUL)>>1);

        c= *(uint32_t*)&src[stride*7];
        a= (a&c) + (((a^c)&0xFEFEFEFEUL)>>1);
        *(uint32_t*)&src[stride*6]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);

        a= *(uint32_t*)&src[stride*8];
        b= (a&b) + (((a^b)&0xFEFEFEFEUL)>>1);
        *(uint32_t*)&src[stride*7]= (c|b) - (((c^b)&0xFEFEFEFEUL)>>1);

        *(uint32_t*)&tmp[stride*0]= c;
        src += 4;
        tmp += 4;
    }
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#endif //HAVE_MMX2 || HAVE_AMD3DNOW
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}

/**
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1789
 * Deinterlaces the given block by applying a median filter to every second line.
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1790
 * will be called for every 8x8 block and can read & write from line 4-15,
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1791
 * lines 0-3 have been passed through the deblock / dering filters already, but can be read, too.
Michael Niedermayer's avatar
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1792
 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
1793
 */
1794
static inline void RENAME(deInterlaceMedian)(uint8_t src[], int stride)
1795
{
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Carl Eugen Hoyos committed
1796
#if HAVE_MMX
1797
    src+= 4*stride;
1798
#if HAVE_MMX2
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    __asm__ volatile(
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        "lea (%0, %1), %%"REG_a"                \n\t"
        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
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//      0       1       2       3       4       5       6       7       8       9
//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1

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        "movq (%0), %%mm0                       \n\t" //
        "movq (%%"REG_a", %1), %%mm2            \n\t" //
        "movq (%%"REG_a"), %%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, (%%"REG_a")                \n\t"

        "movq (%0, %1, 4), %%mm0                \n\t" //
        "movq (%%"REG_a", %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, (%%"REG_a", %1, 2)         \n\t"

        "movq (%%"REG_d"), %%mm2                \n\t" //
        "movq (%%"REG_d", %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, (%%"REG_d")                \n\t"

        "movq (%%"REG_d", %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, (%%"REG_d", %1, 2)         \n\t"


1843
        : : "r" (src), "r" ((x86_reg)stride)
1844 1845
        : "%"REG_a, "%"REG_d
    );
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#else // MMX without MMX2
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    __asm__ volatile(
1849 1850
        "lea (%0, %1), %%"REG_a"                \n\t"
        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
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//      0       1       2       3       4       5       6       7       8       9
//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1
1853
        "pxor %%mm7, %%mm7                      \n\t"
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1855
#define REAL_MEDIAN(a,b,c)\
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        "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"
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#define MEDIAN(a,b,c)  REAL_MEDIAN(a,b,c)
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1879

1880
MEDIAN((%0)        , (%%REGa)       , (%%REGa, %1))
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MEDIAN((%%REGa, %1), (%%REGa, %1, 2), (%0, %1, 4))
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MEDIAN((%0, %1, 4) , (%%REGd)       , (%%REGd, %1))
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MEDIAN((%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8))
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1884

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        : : "r" (src), "r" ((x86_reg)stride)
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        : "%"REG_a, "%"REG_d
    );
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#endif //HAVE_MMX2
#else //HAVE_MMX
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    int x, y;
    src+= 4*stride;
    // FIXME - there should be a way to do a few columns in parallel like w/mmx
    for(x=0; x<8; x++){
        uint8_t *colsrc = src;
        for (y=0; y<4; y++){
            int a, b, c, d, e, f;
            a = colsrc[0       ];
            b = colsrc[stride  ];
            c = colsrc[stride*2];
            d = (a-b)>>31;
            e = (b-c)>>31;
            f = (c-a)>>31;
            colsrc[stride  ] = (a|(d^f)) & (b|(d^e)) & (c|(e^f));
            colsrc += stride*2;
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        }
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        src++;
    }
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#endif //HAVE_MMX
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}

1911
#if HAVE_MMX
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/**
 * transposes and shift the given 8x8 Block into dst1 and dst2
 */
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static inline void RENAME(transpose1)(uint8_t *dst1, uint8_t *dst2, uint8_t *src, int srcStride)
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{
1917
    __asm__(
1918
        "lea (%0, %1), %%"REG_a"                \n\t"
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//      0       1       2       3       4       5       6       7       8       9
//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1
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        "movq (%0), %%mm0                       \n\t" // 12345678
        "movq (%%"REG_a"), %%mm1                \n\t" // abcdefgh
        "movq %%mm0, %%mm2                      \n\t" // 12345678
        "punpcklbw %%mm1, %%mm0                 \n\t" // 1a2b3c4d
        "punpckhbw %%mm1, %%mm2                 \n\t" // 5e6f7g8h

        "movq (%%"REG_a", %1), %%mm1            \n\t"
        "movq (%%"REG_a", %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"

        "lea (%%"REG_a", %1, 4), %%"REG_a"      \n\t"

        "movq (%0, %1, 4), %%mm0                \n\t" // 12345678
        "movq (%%"REG_a"), %%mm1                \n\t" // abcdefgh
        "movq %%mm0, %%mm2                      \n\t" // 12345678
        "punpcklbw %%mm1, %%mm0                 \n\t" // 1a2b3c4d
        "punpckhbw %%mm1, %%mm2                 \n\t" // 5e6f7g8h

        "movq (%%"REG_a", %1), %%mm1            \n\t"
        "movq (%%"REG_a", %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"
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        :: "r" (src), "r" ((x86_reg)srcStride), "r" (dst1), "r" (dst2)
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        : "%"REG_a
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    );
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}

/**
 * transposes the given 8x8 block
 */
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static inline void RENAME(transpose2)(uint8_t *dst, int dstStride, uint8_t *src)
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{
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    __asm__(
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        "lea (%0, %1), %%"REG_a"                \n\t"
        "lea (%%"REG_a",%1,4), %%"REG_d"        \n\t"
2005 2006
//      0       1       2       3       4       5       6       7       8       9
//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1
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        "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, (%%"REG_a")                \n\t"
        "movd %%mm3, (%%"REG_a", %1)            \n\t"
        "psrlq $32, %%mm3                       \n\t"
        "movd %%mm3, (%%"REG_a", %1, 2)         \n\t"
        "movd %%mm2, (%0, %1, 4)                \n\t"
        "psrlq $32, %%mm2                       \n\t"
        "movd %%mm2, (%%"REG_d")                \n\t"
        "movd %%mm1, (%%"REG_d", %1)            \n\t"
        "psrlq $32, %%mm1                       \n\t"
        "movd %%mm1, (%%"REG_d", %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(%%"REG_a")               \n\t"
        "movd %%mm3, 4(%%"REG_a", %1)           \n\t"
        "psrlq $32, %%mm3                       \n\t"
        "movd %%mm3, 4(%%"REG_a", %1, 2)        \n\t"
        "movd %%mm2, 4(%0, %1, 4)               \n\t"
        "psrlq $32, %%mm2                       \n\t"
        "movd %%mm2, 4(%%"REG_d")               \n\t"
        "movd %%mm1, 4(%%"REG_d", %1)           \n\t"
        "psrlq $32, %%mm1                       \n\t"
        "movd %%mm1, 4(%%"REG_d", %1, 2)        \n\t"
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        :: "r" (dst), "r" ((x86_reg)dstStride), "r" (src)
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        : "%"REG_a, "%"REG_d
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    );
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}
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#endif //HAVE_MMX
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//static long test=0;
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2079
#if !HAVE_ALTIVEC
Michael Niedermayer's avatar
Michael Niedermayer committed
2080
static inline void RENAME(tempNoiseReducer)(uint8_t *src, int stride,
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                                    uint8_t *tempBlurred, uint32_t *tempBlurredPast, int *maxNoise)
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{
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    // to save a register (FIXME do this outside of the loops)
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    tempBlurredPast[127]= maxNoise[0];
    tempBlurredPast[128]= maxNoise[1];
    tempBlurredPast[129]= maxNoise[2];
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#define FAST_L2_DIFF
//#define L1_DIFF //u should change the thresholds too if u try that one
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#if HAVE_MMX2 || HAVE_AMD3DNOW
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    __asm__ volatile(
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        "lea (%2, %2, 2), %%"REG_a"             \n\t" // 3*stride
        "lea (%2, %2, 4), %%"REG_d"             \n\t" // 5*stride
        "lea (%%"REG_d", %2, 2), %%"REG_c"      \n\t" // 7*stride
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//      0       1       2       3       4       5       6       7       8       9
//      %x      %x+%2   %x+2%2  %x+eax  %x+4%2  %x+edx  %x+2eax %x+ecx  %x+8%2
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//FIXME reorder?
#ifdef L1_DIFF //needs mmx2
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        "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, %%"REG_a"), %%mm3            \n\t" // L3
        "psadbw (%1, %%"REG_a"), %%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, %%"REG_d"), %%mm5            \n\t" // L5
        "paddw %%mm2, %%mm0                     \n\t"
        "psadbw (%1, %%"REG_d"), %%mm5          \n\t" // |L5-R5|
        "movq (%0, %%"REG_a", 2), %%mm6         \n\t" // L6
        "paddw %%mm3, %%mm0                     \n\t"
        "psadbw (%1, %%"REG_a", 2), %%mm6       \n\t" // |L6-R6|
        "movq (%0, %%"REG_c"), %%mm7            \n\t" // L7
        "paddw %%mm4, %%mm0                     \n\t"
        "psadbw (%1, %%"REG_c"), %%mm7          \n\t" // |L7-R7|
        "paddw %%mm5, %%mm6                     \n\t"
        "paddw %%mm7, %%mm6                     \n\t"
        "paddw %%mm6, %%mm0                     \n\t"
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#else //L1_DIFF
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#if defined (FAST_L2_DIFF)
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        "pcmpeqb %%mm7, %%mm7                   \n\t"
        "movq "MANGLE(b80)", %%mm6              \n\t"
        "pxor %%mm0, %%mm0                      \n\t"
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#define REAL_L2_DIFF_CORE(a, b)\
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        "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"
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#else //defined (FAST_L2_DIFF)
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        "pxor %%mm7, %%mm7                      \n\t"
        "pxor %%mm0, %%mm0                      \n\t"
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#define REAL_L2_DIFF_CORE(a, b)\
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        "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"
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2161
#endif //defined (FAST_L2_DIFF)
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#define L2_DIFF_CORE(a, b)  REAL_L2_DIFF_CORE(a, b)

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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, %%REGa)  , (%1, %%REGa))
L2_DIFF_CORE((%0, %2, 4)   , (%1, %2, 4))
L2_DIFF_CORE((%0, %%REGd)  , (%1, %%REGd))
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L2_DIFF_CORE((%0, %%REGa,2), (%1, %%REGa,2))
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L2_DIFF_CORE((%0, %%REGc)  , (%1, %%REGc))
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#endif //L1_DIFF
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        "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"
        "mov %3, %%"REG_d"                      \n\t"
        "addl -4(%%"REG_d"), %%ecx              \n\t"
        "addl 4(%%"REG_d"), %%ecx               \n\t"
        "addl -1024(%%"REG_d"), %%ecx           \n\t"
        "addl $4, %%ecx                         \n\t"
        "addl 1024(%%"REG_d"), %%ecx            \n\t"
        "shrl $3, %%ecx                         \n\t"
        "movl %%ecx, (%%"REG_d")                \n\t"

//        "mov %3, %%"REG_c"                      \n\t"
//        "mov %%"REG_c", test                    \n\t"
//        "jmp 4f                                 \n\t"
        "cmpl 512(%%"REG_d"), %%ecx             \n\t"
        " jb 2f                                 \n\t"
        "cmpl 516(%%"REG_d"), %%ecx             \n\t"
        " jb 1f                                 \n\t"

        "lea (%%"REG_a", %2, 2), %%"REG_d"      \n\t" // 5*stride
        "lea (%%"REG_d", %2, 2), %%"REG_c"      \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, %%"REG_a"), %%mm3            \n\t" // L3
        "movq (%0, %2, 4), %%mm4                \n\t" // L4
        "movq (%0, %%"REG_d"), %%mm5            \n\t" // L5
        "movq (%0, %%"REG_a", 2), %%mm6         \n\t" // L6
        "movq (%0, %%"REG_c"), %%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, %%"REG_a")            \n\t" // L3
        "movq %%mm4, (%1, %2, 4)                \n\t" // L4
        "movq %%mm5, (%1, %%"REG_d")            \n\t" // L5
        "movq %%mm6, (%1, %%"REG_a", 2)         \n\t" // L6
        "movq %%mm7, (%1, %%"REG_c")            \n\t" // L7
        "jmp 4f                                 \n\t"

        "1:                                     \n\t"
        "lea (%%"REG_a", %2, 2), %%"REG_d"      \n\t" // 5*stride
        "lea (%%"REG_d", %2, 2), %%"REG_c"      \n\t" // 7*stride
        "movq (%0), %%mm0                       \n\t" // L0
        PAVGB((%1), %%mm0)                            // L0
        "movq (%0, %2), %%mm1                   \n\t" // L1
        PAVGB((%1, %2), %%mm1)                        // L1
        "movq (%0, %2, 2), %%mm2                \n\t" // L2
        PAVGB((%1, %2, 2), %%mm2)                     // L2
        "movq (%0, %%"REG_a"), %%mm3            \n\t" // L3
        PAVGB((%1, %%REGa), %%mm3)                    // L3
        "movq (%0, %2, 4), %%mm4                \n\t" // L4
        PAVGB((%1, %2, 4), %%mm4)                     // L4
        "movq (%0, %%"REG_d"), %%mm5            \n\t" // L5
        PAVGB((%1, %%REGd), %%mm5)                    // L5
        "movq (%0, %%"REG_a", 2), %%mm6         \n\t" // L6
        PAVGB((%1, %%REGa, 2), %%mm6)                 // L6
        "movq (%0, %%"REG_c"), %%mm7            \n\t" // L7
        PAVGB((%1, %%REGc), %%mm7)                    // 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, %%"REG_a")            \n\t" // R3
        "movq %%mm4, (%1, %2, 4)                \n\t" // R4
        "movq %%mm5, (%1, %%"REG_d")            \n\t" // R5
        "movq %%mm6, (%1, %%"REG_a", 2)         \n\t" // R6
        "movq %%mm7, (%1, %%"REG_c")            \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, %%"REG_a")            \n\t" // L3
        "movq %%mm4, (%0, %2, 4)                \n\t" // L4
        "movq %%mm5, (%0, %%"REG_d")            \n\t" // L5
        "movq %%mm6, (%0, %%"REG_a", 2)         \n\t" // L6
        "movq %%mm7, (%0, %%"REG_c")            \n\t" // L7
        "jmp 4f                                 \n\t"

        "2:                                     \n\t"
        "cmpl 508(%%"REG_d"), %%ecx             \n\t"
        " jb 3f                                 \n\t"

        "lea (%%"REG_a", %2, 2), %%"REG_d"      \n\t" // 5*stride
        "lea (%%"REG_d", %2, 2), %%"REG_c"      \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, %%"REG_a"), %%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, %%"REG_a"), %%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, %%"REG_a")            \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, %%"REG_a")            \n\t" // L3

        "movq (%0, %2, 4), %%mm0                \n\t" // L4
        "movq (%0, %%"REG_d"), %%mm1            \n\t" // L5
        "movq (%0, %%"REG_a", 2), %%mm2         \n\t" // L6
        "movq (%0, %%"REG_c"), %%mm3            \n\t" // L7
        "movq (%1, %2, 4), %%mm4                \n\t" // R4
        "movq (%1, %%"REG_d"), %%mm5            \n\t" // R5
        "movq (%1, %%"REG_a", 2), %%mm6         \n\t" // R6
        "movq (%1, %%"REG_c"), %%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, %%"REG_d")            \n\t" // R5
        "movq %%mm2, (%1, %%"REG_a", 2)         \n\t" // R6
        "movq %%mm3, (%1, %%"REG_c")            \n\t" // R7
        "movq %%mm0, (%0, %2, 4)                \n\t" // L4
        "movq %%mm1, (%0, %%"REG_d")            \n\t" // L5
        "movq %%mm2, (%0, %%"REG_a", 2)         \n\t" // L6
        "movq %%mm3, (%0, %%"REG_c")            \n\t" // L7
        "jmp 4f                                 \n\t"

        "3:                                     \n\t"
        "lea (%%"REG_a", %2, 2), %%"REG_d"      \n\t" // 5*stride
        "lea (%%"REG_d", %2, 2), %%"REG_c"      \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, %%"REG_a"), %%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, %%"REG_a"), %%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, %%"REG_a")            \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, %%"REG_a")            \n\t" // L3

        "movq (%0, %2, 4), %%mm0                \n\t" // L4
        "movq (%0, %%"REG_d"), %%mm1            \n\t" // L5
        "movq (%0, %%"REG_a", 2), %%mm2         \n\t" // L6
        "movq (%0, %%"REG_c"), %%mm3            \n\t" // L7
        "movq (%1, %2, 4), %%mm4                \n\t" // R4
        "movq (%1, %%"REG_d"), %%mm5            \n\t" // R5
        "movq (%1, %%"REG_a", 2), %%mm6         \n\t" // R6
        "movq (%1, %%"REG_c"), %%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, %%"REG_d")            \n\t" // R5
        "movq %%mm2, (%1, %%"REG_a", 2)         \n\t" // R6
        "movq %%mm3, (%1, %%"REG_c")            \n\t" // R7
        "movq %%mm0, (%0, %2, 4)                \n\t" // L4
        "movq %%mm1, (%0, %%"REG_d")            \n\t" // L5
        "movq %%mm2, (%0, %%"REG_a", 2)         \n\t" // L6
        "movq %%mm3, (%0, %%"REG_c")            \n\t" // L7

        "4:                                     \n\t"

2375
        :: "r" (src), "r" (tempBlurred), "r"((x86_reg)stride), "m" (tempBlurredPast)
2376 2377
        : "%"REG_a, "%"REG_d, "%"REG_c, "memory"
    );
2378
#else //HAVE_MMX2 || HAVE_AMD3DNOW
2379
{
2380 2381 2382 2383
    int y;
    int d=0;
//    int sysd=0;
    int i;
2384

2385 2386 2387
    for(y=0; y<8; y++){
        int x;
        for(x=0; x<8; x++){
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            int ref= tempBlurred[ x + y*stride ];
2389 2390 2391 2392 2393 2394 2395
            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+= FFABS(d1);
            d+= d1*d1;
//            sysd+= d1;
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        }
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    }
    i=d;
    d=  (
        4*d
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        +(*(tempBlurredPast-256))
        +(*(tempBlurredPast-1))+ (*(tempBlurredPast+1))
        +(*(tempBlurredPast+256))
2404
        +4)>>3;
2405 2406
    *tempBlurredPast=i;
//    ((*tempBlurredPast)*3 + d + 2)>>2;
Michael Niedermayer's avatar
Michael Niedermayer committed
2407

2408 2409 2410 2411 2412 2413 2414
/*
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)
*/
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    if(d > maxNoise[1]){
        if(d < maxNoise[2]){
            for(y=0; y<8; y++){
                int x;
                for(x=0; x<8; x++){
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                    int ref= tempBlurred[ x + y*stride ];
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                    int cur= src[ x + y*stride ];
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                    tempBlurred[ x + y*stride ]=
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                    src[ x + y*stride ]=
                        (ref + cur + 1)>>1;
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                }
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            }
        }else{
            for(y=0; y<8; y++){
                int x;
                for(x=0; x<8; x++){
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                    tempBlurred[ x + y*stride ]= src[ x + y*stride ];
2432
                }
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            }
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        }
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    }else{
        if(d < maxNoise[0]){
            for(y=0; y<8; y++){
                int x;
                for(x=0; x<8; x++){
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                    int ref= tempBlurred[ x + y*stride ];
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                    int cur= src[ x + y*stride ];
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                    tempBlurred[ x + y*stride ]=
2443 2444
                    src[ x + y*stride ]=
                        (ref*7 + cur + 4)>>3;
2445
                }
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            }
        }else{
            for(y=0; y<8; y++){
                int x;
                for(x=0; x<8; x++){
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                    int ref= tempBlurred[ x + y*stride ];
2452
                    int cur= src[ x + y*stride ];
2453
                    tempBlurred[ x + y*stride ]=
2454 2455
                    src[ x + y*stride ]=
                        (ref*3 + cur + 2)>>2;
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                }
2457
            }
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        }
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    }
2460
}
2461
#endif //HAVE_MMX2 || HAVE_AMD3DNOW
2462
}
2463
#endif //HAVE_ALTIVEC
2464

2465
#if HAVE_MMX
2466 2467 2468
/**
 * accurate deblock filter
 */
2469
static av_always_inline void RENAME(do_a_deblock)(uint8_t *src, int step, int stride, PPContext *c){
2470 2471 2472
    int64_t dc_mask, eq_mask, both_masks;
    int64_t sums[10*8*2];
    src+= step*3; // src points to begin of the 8x8 Block
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//START_TIMER
2474
    __asm__ volatile(
2475 2476 2477 2478 2479
        "movq %0, %%mm7                         \n\t"
        "movq %1, %%mm6                         \n\t"
        : : "m" (c->mmxDcOffset[c->nonBQP]),  "m" (c->mmxDcThreshold[c->nonBQP])
        );

2480
    __asm__ volatile(
2481
        "lea (%2, %3), %%"REG_a"                \n\t"
2482 2483 2484
//      0       1       2       3       4       5       6       7       8       9
//      %1      eax     eax+%2  eax+2%2 %1+4%2  ecx     ecx+%2  ecx+2%2 %1+8%2  ecx+4%2

2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574
        "movq (%2), %%mm0                       \n\t"
        "movq (%%"REG_a"), %%mm1                \n\t"
        "movq %%mm1, %%mm3                      \n\t"
        "movq %%mm1, %%mm4                      \n\t"
        "psubb %%mm1, %%mm0                     \n\t" // mm0 = differnece
        "paddb %%mm7, %%mm0                     \n\t"
        "pcmpgtb %%mm6, %%mm0                   \n\t"

        "movq (%%"REG_a",%3), %%mm2             \n\t"
        PMAXUB(%%mm2, %%mm4)
        PMINUB(%%mm2, %%mm3, %%mm5)
        "psubb %%mm2, %%mm1                     \n\t"
        "paddb %%mm7, %%mm1                     \n\t"
        "pcmpgtb %%mm6, %%mm1                   \n\t"
        "paddb %%mm1, %%mm0                     \n\t"

        "movq (%%"REG_a", %3, 2), %%mm1         \n\t"
        PMAXUB(%%mm1, %%mm4)
        PMINUB(%%mm1, %%mm3, %%mm5)
        "psubb %%mm1, %%mm2                     \n\t"
        "paddb %%mm7, %%mm2                     \n\t"
        "pcmpgtb %%mm6, %%mm2                   \n\t"
        "paddb %%mm2, %%mm0                     \n\t"

        "lea (%%"REG_a", %3, 4), %%"REG_a"      \n\t"

        "movq (%2, %3, 4), %%mm2                \n\t"
        PMAXUB(%%mm2, %%mm4)
        PMINUB(%%mm2, %%mm3, %%mm5)
        "psubb %%mm2, %%mm1                     \n\t"
        "paddb %%mm7, %%mm1                     \n\t"
        "pcmpgtb %%mm6, %%mm1                   \n\t"
        "paddb %%mm1, %%mm0                     \n\t"

        "movq (%%"REG_a"), %%mm1                \n\t"
        PMAXUB(%%mm1, %%mm4)
        PMINUB(%%mm1, %%mm3, %%mm5)
        "psubb %%mm1, %%mm2                     \n\t"
        "paddb %%mm7, %%mm2                     \n\t"
        "pcmpgtb %%mm6, %%mm2                   \n\t"
        "paddb %%mm2, %%mm0                     \n\t"

        "movq (%%"REG_a", %3), %%mm2            \n\t"
        PMAXUB(%%mm2, %%mm4)
        PMINUB(%%mm2, %%mm3, %%mm5)
        "psubb %%mm2, %%mm1                     \n\t"
        "paddb %%mm7, %%mm1                     \n\t"
        "pcmpgtb %%mm6, %%mm1                   \n\t"
        "paddb %%mm1, %%mm0                     \n\t"

        "movq (%%"REG_a", %3, 2), %%mm1         \n\t"
        PMAXUB(%%mm1, %%mm4)
        PMINUB(%%mm1, %%mm3, %%mm5)
        "psubb %%mm1, %%mm2                     \n\t"
        "paddb %%mm7, %%mm2                     \n\t"
        "pcmpgtb %%mm6, %%mm2                   \n\t"
        "paddb %%mm2, %%mm0                     \n\t"

        "movq (%2, %3, 8), %%mm2                \n\t"
        PMAXUB(%%mm2, %%mm4)
        PMINUB(%%mm2, %%mm3, %%mm5)
        "psubb %%mm2, %%mm1                     \n\t"
        "paddb %%mm7, %%mm1                     \n\t"
        "pcmpgtb %%mm6, %%mm1                   \n\t"
        "paddb %%mm1, %%mm0                     \n\t"

        "movq (%%"REG_a", %3, 4), %%mm1         \n\t"
        "psubb %%mm1, %%mm2                     \n\t"
        "paddb %%mm7, %%mm2                     \n\t"
        "pcmpgtb %%mm6, %%mm2                   \n\t"
        "paddb %%mm2, %%mm0                     \n\t"
        "psubusb %%mm3, %%mm4                   \n\t"

        "pxor %%mm6, %%mm6                      \n\t"
        "movq %4, %%mm7                         \n\t" // QP,..., QP
        "paddusb %%mm7, %%mm7                   \n\t" // 2QP ... 2QP
        "psubusb %%mm4, %%mm7                   \n\t" // Diff >=2QP -> 0
        "pcmpeqb %%mm6, %%mm7                   \n\t" // Diff < 2QP -> 0
        "pcmpeqb %%mm6, %%mm7                   \n\t" // Diff < 2QP -> 0
        "movq %%mm7, %1                         \n\t"

        "movq %5, %%mm7                         \n\t"
        "punpcklbw %%mm7, %%mm7                 \n\t"
        "punpcklbw %%mm7, %%mm7                 \n\t"
        "punpcklbw %%mm7, %%mm7                 \n\t"
        "psubb %%mm0, %%mm6                     \n\t"
        "pcmpgtb %%mm7, %%mm6                   \n\t"
        "movq %%mm6, %0                         \n\t"

        : "=m" (eq_mask), "=m" (dc_mask)
2575
        : "r" (src), "r" ((x86_reg)step), "m" (c->pQPb), "m"(c->ppMode.flatnessThreshold)
2576 2577 2578 2579 2580 2581
        : "%"REG_a
    );

    both_masks = dc_mask & eq_mask;

    if(both_masks){
2582
        x86_reg offset= -8*step;
2583 2584
        int64_t *temp_sums= sums;

2585
        __asm__ volatile(
2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630
            "movq %2, %%mm0                         \n\t"  // QP,..., QP
            "pxor %%mm4, %%mm4                      \n\t"

            "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 %%mm2, %%mm0                   \n\t" // diff >= QP -> 0
            "pcmpeqb %%mm4, %%mm0                   \n\t" // diff >= QP -> FF

            "pxor %%mm6, %%mm1                      \n\t"
            "pand %%mm0, %%mm1                      \n\t"
            "pxor %%mm1, %%mm6                      \n\t"
            // 0:QP  6:First

            "movq (%0, %1, 8), %%mm5                \n\t"
            "add %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
            "movq %2, %%mm0                         \n\t"  // QP,..., QP
            "psubusb %%mm2, %%mm0                   \n\t" // diff >= QP -> 0
            "pcmpeqb %%mm4, %%mm0                   \n\t" // diff >= QP -> FF

            "pxor %%mm7, %%mm1                      \n\t"
            "pand %%mm0, %%mm1                      \n\t"
            "pxor %%mm1, %%mm7                      \n\t"

            "movq %%mm6, %%mm5                      \n\t"
            "punpckhbw %%mm4, %%mm6                 \n\t"
            "punpcklbw %%mm4, %%mm5                 \n\t"
            // 4:0 5/6:First 7:Last

            "movq %%mm5, %%mm0                      \n\t"
            "movq %%mm6, %%mm1                      \n\t"
            "psllw $2, %%mm0                        \n\t"
            "psllw $2, %%mm1                        \n\t"
            "paddw "MANGLE(w04)", %%mm0             \n\t"
            "paddw "MANGLE(w04)", %%mm1             \n\t"
2631 2632

#define NEXT\
2633 2634 2635 2636 2637 2638 2639
            "movq (%0), %%mm2                       \n\t"\
            "movq (%0), %%mm3                       \n\t"\
            "add %1, %0                             \n\t"\
            "punpcklbw %%mm4, %%mm2                 \n\t"\
            "punpckhbw %%mm4, %%mm3                 \n\t"\
            "paddw %%mm2, %%mm0                     \n\t"\
            "paddw %%mm3, %%mm1                     \n\t"
2640 2641

#define PREV\
2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718
            "movq (%0), %%mm2                       \n\t"\
            "movq (%0), %%mm3                       \n\t"\
            "add %1, %0                             \n\t"\
            "punpcklbw %%mm4, %%mm2                 \n\t"\
            "punpckhbw %%mm4, %%mm3                 \n\t"\
            "psubw %%mm2, %%mm0                     \n\t"\
            "psubw %%mm3, %%mm1                     \n\t"


            NEXT //0
            NEXT //1
            NEXT //2
            "movq %%mm0, (%3)                       \n\t"
            "movq %%mm1, 8(%3)                      \n\t"

            NEXT //3
            "psubw %%mm5, %%mm0                     \n\t"
            "psubw %%mm6, %%mm1                     \n\t"
            "movq %%mm0, 16(%3)                     \n\t"
            "movq %%mm1, 24(%3)                     \n\t"

            NEXT //4
            "psubw %%mm5, %%mm0                     \n\t"
            "psubw %%mm6, %%mm1                     \n\t"
            "movq %%mm0, 32(%3)                     \n\t"
            "movq %%mm1, 40(%3)                     \n\t"

            NEXT //5
            "psubw %%mm5, %%mm0                     \n\t"
            "psubw %%mm6, %%mm1                     \n\t"
            "movq %%mm0, 48(%3)                     \n\t"
            "movq %%mm1, 56(%3)                     \n\t"

            NEXT //6
            "psubw %%mm5, %%mm0                     \n\t"
            "psubw %%mm6, %%mm1                     \n\t"
            "movq %%mm0, 64(%3)                     \n\t"
            "movq %%mm1, 72(%3)                     \n\t"

            "movq %%mm7, %%mm6                      \n\t"
            "punpckhbw %%mm4, %%mm7                 \n\t"
            "punpcklbw %%mm4, %%mm6                 \n\t"

            NEXT //7
            "mov %4, %0                             \n\t"
            "add %1, %0                             \n\t"
            PREV //0
            "movq %%mm0, 80(%3)                     \n\t"
            "movq %%mm1, 88(%3)                     \n\t"

            PREV //1
            "paddw %%mm6, %%mm0                     \n\t"
            "paddw %%mm7, %%mm1                     \n\t"
            "movq %%mm0, 96(%3)                     \n\t"
            "movq %%mm1, 104(%3)                    \n\t"

            PREV //2
            "paddw %%mm6, %%mm0                     \n\t"
            "paddw %%mm7, %%mm1                     \n\t"
            "movq %%mm0, 112(%3)                    \n\t"
            "movq %%mm1, 120(%3)                    \n\t"

            PREV //3
            "paddw %%mm6, %%mm0                     \n\t"
            "paddw %%mm7, %%mm1                     \n\t"
            "movq %%mm0, 128(%3)                    \n\t"
            "movq %%mm1, 136(%3)                    \n\t"

            PREV //4
            "paddw %%mm6, %%mm0                     \n\t"
            "paddw %%mm7, %%mm1                     \n\t"
            "movq %%mm0, 144(%3)                    \n\t"
            "movq %%mm1, 152(%3)                    \n\t"

            "mov %4, %0                             \n\t" //FIXME

            : "+&r"(src)
2719
            : "r" ((x86_reg)step), "m" (c->pQPb), "r"(sums), "g"(src)
2720 2721 2722 2723
        );

        src+= step; // src points to begin of the 8x8 Block

2724
        __asm__ volatile(
2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755
            "movq %4, %%mm6                         \n\t"
            "pcmpeqb %%mm5, %%mm5                   \n\t"
            "pxor %%mm6, %%mm5                      \n\t"
            "pxor %%mm7, %%mm7                      \n\t"

            "1:                                     \n\t"
            "movq (%1), %%mm0                       \n\t"
            "movq 8(%1), %%mm1                      \n\t"
            "paddw 32(%1), %%mm0                    \n\t"
            "paddw 40(%1), %%mm1                    \n\t"
            "movq (%0, %3), %%mm2                   \n\t"
            "movq %%mm2, %%mm3                      \n\t"
            "movq %%mm2, %%mm4                      \n\t"
            "punpcklbw %%mm7, %%mm2                 \n\t"
            "punpckhbw %%mm7, %%mm3                 \n\t"
            "paddw %%mm2, %%mm0                     \n\t"
            "paddw %%mm3, %%mm1                     \n\t"
            "paddw %%mm2, %%mm0                     \n\t"
            "paddw %%mm3, %%mm1                     \n\t"
            "psrlw $4, %%mm0                        \n\t"
            "psrlw $4, %%mm1                        \n\t"
            "packuswb %%mm1, %%mm0                  \n\t"
            "pand %%mm6, %%mm0                      \n\t"
            "pand %%mm5, %%mm4                      \n\t"
            "por %%mm4, %%mm0                       \n\t"
            "movq %%mm0, (%0, %3)                   \n\t"
            "add $16, %1                            \n\t"
            "add %2, %0                             \n\t"
            " js 1b                                 \n\t"

            : "+r"(offset), "+r"(temp_sums)
2756
            : "r" ((x86_reg)step), "r"(src - offset), "m"(both_masks)
2757 2758 2759 2760 2761 2762
        );
    }else
        src+= step; // src points to begin of the 8x8 Block

    if(eq_mask != -1LL){
        uint8_t *temp_src= src;
2763
        __asm__ volatile(
2764 2765 2766
            "pxor %%mm7, %%mm7                      \n\t"
            "lea -40(%%"REG_SP"), %%"REG_c"         \n\t" // make space for 4 8-byte vars
            "and "ALIGN_MASK", %%"REG_c"            \n\t" // align
2767 2768 2769
//      0       1       2       3       4       5       6       7       8       9
//      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1 %1+8%1  ecx+4%1

2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828
            "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 (%0, %1), %%mm2                   \n\t"
            "lea (%0, %1, 2), %%"REG_a"             \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 (%%"REG_a"), %%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 (%%"REG_a", %1), %%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, (%%"REG_c")                \n\t" // 2L0 - 5L1 + 5L2 - 2L3
            "movq %%mm1, 8(%%"REG_c")               \n\t" // 2H0 - 5H1 + 5H2 - 2H3

            "movq (%%"REG_a", %1, 2), %%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, 16(%%"REG_c")              \n\t" // L3 - L4
            "movq %%mm3, 24(%%"REG_c")              \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

            "lea (%%"REG_a", %1), %0                \n\t"
            "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
2829
//50 opcodes so far
2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867
            "movq (%0, %1, 2), %%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 (%%"REG_a", %1, 4), %%mm6         \n\t"
            "punpcklbw %%mm7, %%mm6                 \n\t" // L6
            "psubw %%mm6, %%mm2                     \n\t" // L5 - L6
            "movq (%%"REG_a", %1, 4), %%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 (%0, %1, 4), %%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 (%%"REG_c"), %%mm2                \n\t" // 2L0 - 5L1 + 5L2 - 2L3
            "movq 8(%%"REG_c"), %%mm3               \n\t" // 2H0 - 5H1 + 5H2 - 2H3
2868

2869
#if HAVE_MMX2
2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881
            "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|
2882
#else
2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898
            "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|
2899 2900
#endif

2901
#if HAVE_MMX2
2902 2903
            "pminsw %%mm2, %%mm0                    \n\t"
            "pminsw %%mm3, %%mm1                    \n\t"
2904
#else
2905 2906 2907 2908 2909 2910
            "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"
2911 2912
#endif

2913 2914
            "movd %2, %%mm2                         \n\t" // QP
            "punpcklbw %%mm7, %%mm2                 \n\t"
2915

2916 2917 2918 2919 2920 2921 2922
            "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|
2923
// 100 opcodes
2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963
            "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 16(%%"REG_c"), %%mm0              \n\t" // L3 - L4
            "movq 24(%%"REG_c"), %%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"
2964

2965
#if HAVE_MMX2
2966 2967
            "pminsw %%mm0, %%mm4                    \n\t"
            "pminsw %%mm1, %%mm5                    \n\t"
2968
#else
2969 2970 2971 2972 2973 2974
            "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"
2975
#endif
2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990
            "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 %3, %%mm1                         \n\t"
            "pandn %%mm4, %%mm1                     \n\t"
            "movq (%0), %%mm0                       \n\t"
            "paddb   %%mm1, %%mm0                   \n\t"
            "movq %%mm0, (%0)                       \n\t"
            "movq (%0, %1), %%mm0                   \n\t"
            "psubb %%mm1, %%mm0                     \n\t"
            "movq %%mm0, (%0, %1)                   \n\t"

            : "+r" (temp_src)
2991
            : "r" ((x86_reg)step), "m" (c->pQPb), "m"(eq_mask)
2992 2993 2994
            : "%"REG_a, "%"REG_c
        );
    }
2995 2996 2997 2998 2999 3000 3001 3002
/*if(step==16){
    STOP_TIMER("step16")
}else{
    STOP_TIMER("stepX")
}*/
}
#endif //HAVE_MMX

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Michael Niedermayer committed
3003
static void RENAME(postProcess)(const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
3004
                                const QP_STORE_T QPs[], int QPStride, int isColor, PPContext *c);
3005

3006
/**
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3007 3008
 * Copies a block from src to dst and fixes the blacklevel.
 * levelFix == 0 -> do not touch the brighness & contrast
3009
 */
3010 3011
#undef SCALED_CPY

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3012
static inline void RENAME(blockCopy)(uint8_t dst[], int dstStride, const uint8_t src[], int srcStride,
3013
                                     int levelFix, int64_t *packedOffsetAndScale)
3014
{
3015
#if !HAVE_MMX
3016
    int i;
3017
#endif
3018
    if(levelFix){
3019
#if HAVE_MMX
3020
    __asm__ volatile(
3021 3022 3023 3024 3025
        "movq (%%"REG_a"), %%mm2        \n\t" // packedYOffset
        "movq 8(%%"REG_a"), %%mm3       \n\t" // packedYScale
        "lea (%2,%4), %%"REG_a"         \n\t"
        "lea (%3,%5), %%"REG_d"         \n\t"
        "pxor %%mm4, %%mm4              \n\t"
3026
#if HAVE_MMX2
3027
#define REAL_SCALED_CPY(src1, src2, dst1, dst2)                                                \
3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047
        "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"\
3048

3049
#else //HAVE_MMX2
3050
#define REAL_SCALED_CPY(src1, src2, dst1, dst2)                                        \
3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074
        "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"\
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Michael Niedermayer committed
3075

3076
#endif //HAVE_MMX2
3077 3078
#define SCALED_CPY(src1, src2, dst1, dst2)\
   REAL_SCALED_CPY(src1, src2, dst1, dst2)
3079

3080
SCALED_CPY((%2)       , (%2, %4)      , (%3)       , (%3, %5))
3081 3082
SCALED_CPY((%2, %4, 2), (%%REGa, %4, 2), (%3, %5, 2), (%%REGd, %5, 2))
SCALED_CPY((%2, %4, 4), (%%REGa, %4, 4), (%3, %5, 4), (%%REGd, %5, 4))
3083 3084
        "lea (%%"REG_a",%4,4), %%"REG_a"        \n\t"
        "lea (%%"REG_d",%5,4), %%"REG_d"        \n\t"
3085
SCALED_CPY((%%REGa, %4), (%%REGa, %4, 2), (%%REGd, %5), (%%REGd, %5, 2))
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Michael Niedermayer committed
3086 3087


3088 3089 3090 3091
        : "=&a" (packedOffsetAndScale)
        : "0" (packedOffsetAndScale),
        "r"(src),
        "r"(dst),
3092 3093
        "r" ((x86_reg)srcStride),
        "r" ((x86_reg)dstStride)
3094 3095
        : "%"REG_d
    );
3096
#else //HAVE_MMX
3097 3098 3099
    for(i=0; i<8; i++)
        memcpy( &(dst[dstStride*i]),
                &(src[srcStride*i]), BLOCK_SIZE);
3100
#endif //HAVE_MMX
3101
    }else{
3102
#if HAVE_MMX
3103
    __asm__ volatile(
3104 3105
        "lea (%0,%2), %%"REG_a"                 \n\t"
        "lea (%1,%3), %%"REG_d"                 \n\t"
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3106

3107
#define REAL_SIMPLE_CPY(src1, src2, dst1, dst2)                              \
3108 3109 3110 3111
        "movq " #src1 ", %%mm0          \n\t"\
        "movq " #src2 ", %%mm1          \n\t"\
        "movq %%mm0, " #dst1 "          \n\t"\
        "movq %%mm1, " #dst2 "          \n\t"\
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3112

3113 3114 3115
#define SIMPLE_CPY(src1, src2, dst1, dst2)\
   REAL_SIMPLE_CPY(src1, src2, dst1, dst2)

3116
SIMPLE_CPY((%0)       , (%0, %2)       , (%1)       , (%1, %3))
3117 3118
SIMPLE_CPY((%0, %2, 2), (%%REGa, %2, 2), (%1, %3, 2), (%%REGd, %3, 2))
SIMPLE_CPY((%0, %2, 4), (%%REGa, %2, 4), (%1, %3, 4), (%%REGd, %3, 4))
3119 3120
        "lea (%%"REG_a",%2,4), %%"REG_a"        \n\t"
        "lea (%%"REG_d",%3,4), %%"REG_d"        \n\t"
3121
SIMPLE_CPY((%%REGa, %2), (%%REGa, %2, 2), (%%REGd, %3), (%%REGd, %3, 2))
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3122

3123 3124
        : : "r" (src),
        "r" (dst),
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        "r" ((x86_reg)srcStride),
        "r" ((x86_reg)dstStride)
3127 3128
        : "%"REG_a, "%"REG_d
    );
3129
#else //HAVE_MMX
3130 3131 3132
    for(i=0; i<8; i++)
        memcpy( &(dst[dstStride*i]),
                &(src[srcStride*i]), BLOCK_SIZE);
3133
#endif //HAVE_MMX
3134
    }
3135 3136
}

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3137 3138 3139 3140 3141
/**
 * Duplicates the given 8 src pixels ? times upward
 */
static inline void RENAME(duplicate)(uint8_t src[], int stride)
{
3142
#if HAVE_MMX
3143
    __asm__ volatile(
3144 3145 3146 3147 3148 3149
        "movq (%0), %%mm0               \n\t"
        "add %1, %0                     \n\t"
        "movq %%mm0, (%0)               \n\t"
        "movq %%mm0, (%0, %1)           \n\t"
        "movq %%mm0, (%0, %1, 2)        \n\t"
        : "+r" (src)
3150
        : "r" ((x86_reg)-stride)
3151
    );
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3152
#else
3153 3154 3155 3156 3157 3158
    int i;
    uint8_t *p=src;
    for(i=0; i<3; i++){
        p-= stride;
        memcpy(p, src, 8);
    }
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3159 3160
#endif
}
3161 3162 3163 3164

/**
 * Filters array of bytes (Y or U or V values)
 */
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3165
static void RENAME(postProcess)(const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
3166
                                const QP_STORE_T QPs[], int QPStride, int isColor, PPContext *c2)
3167
{
3168 3169
    DECLARE_ALIGNED(8, PPContext, c)= *c2; //copy to stack for faster access
    int x,y;
3170
#ifdef COMPILE_TIME_MODE
3171
    const int mode= COMPILE_TIME_MODE;
3172
#else
3173
    const int mode= isColor ? c.ppMode.chromMode : c.ppMode.lumMode;
3174
#endif
3175 3176
    int black=0, white=255; // blackest black and whitest white in the picture
    int QPCorrecture= 256*256;
3177

3178
    int copyAhead;
3179
#if HAVE_MMX
3180
    int i;
3181
#endif
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3182

3183 3184
    const int qpHShift= isColor ? 4-c.hChromaSubSample : 4;
    const int qpVShift= isColor ? 4-c.vChromaSubSample : 4;
3185

3186 3187 3188 3189 3190
    //FIXME remove
    uint64_t * const yHistogram= c.yHistogram;
    uint8_t * const tempSrc= srcStride > 0 ? c.tempSrc : c.tempSrc - 23*srcStride;
    uint8_t * const tempDst= dstStride > 0 ? c.tempDst : c.tempDst - 23*dstStride;
    //const int mbWidth= isColor ? (width+7)>>3 : (width+15)>>4;
3191

3192
#if HAVE_MMX
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    for(i=0; i<57; i++){
        int offset= ((i*c.ppMode.baseDcDiff)>>8) + 1;
        int threshold= offset*2 + 1;
        c.mmxDcOffset[i]= 0x7F - offset;
        c.mmxDcThreshold[i]= 0x7F - threshold;
        c.mmxDcOffset[i]*= 0x0101010101010101LL;
        c.mmxDcThreshold[i]*= 0x0101010101010101LL;
    }
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3201
#endif
3202

3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223
    if(mode & CUBIC_IPOL_DEINT_FILTER) copyAhead=16;
    else if(   (mode & LINEAR_BLEND_DEINT_FILTER)
            || (mode & FFMPEG_DEINT_FILTER)
            || (mode & LOWPASS5_DEINT_FILTER)) copyAhead=14;
    else if(   (mode & V_DEBLOCK)
            || (mode & LINEAR_IPOL_DEINT_FILTER)
            || (mode & MEDIAN_DEINT_FILTER)
            || (mode & V_A_DEBLOCK)) 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(!isColor){
        uint64_t sum= 0;
        int i;
        uint64_t maxClipped;
        uint64_t clipped;
        double scale;
3224

3225 3226 3227
        c.frameNum++;
        // first frame is fscked so we ignore it
        if(c.frameNum == 1) yHistogram[0]= width*height/64*15/256;
3228

3229 3230 3231
        for(i=0; i<256; i++){
            sum+= yHistogram[i];
        }
3232

3233 3234
        /* We always get a completely black picture first. */
        maxClipped= (uint64_t)(sum * c.ppMode.maxClippedThreshold);
3235

3236 3237 3238 3239 3240
        clipped= sum;
        for(black=255; black>0; black--){
            if(clipped < maxClipped) break;
            clipped-= yHistogram[black];
        }
3241

3242 3243 3244 3245 3246
        clipped= sum;
        for(white=0; white<256; white++){
            if(clipped < maxClipped) break;
            clipped-= yHistogram[white];
        }
3247

3248
        scale= (double)(c.ppMode.maxAllowedY - c.ppMode.minAllowedY) / (double)(white-black);
3249

3250
#if HAVE_MMX2
3251 3252
        c.packedYScale= (uint16_t)(scale*256.0 + 0.5);
        c.packedYOffset= (((black*c.packedYScale)>>8) - c.ppMode.minAllowedY) & 0xFFFF;
3253
#else
3254 3255
        c.packedYScale= (uint16_t)(scale*1024.0 + 0.5);
        c.packedYOffset= (black - c.ppMode.minAllowedY) & 0xFFFF;
3256 3257
#endif

3258 3259
        c.packedYOffset|= c.packedYOffset<<32;
        c.packedYOffset|= c.packedYOffset<<16;
3260

3261 3262
        c.packedYScale|= c.packedYScale<<32;
        c.packedYScale|= c.packedYScale<<16;
3263

3264 3265 3266 3267 3268 3269 3270
        if(mode & LEVEL_FIX)        QPCorrecture= (int)(scale*256*256 + 0.5);
        else                        QPCorrecture= 256*256;
    }else{
        c.packedYScale= 0x0100010001000100LL;
        c.packedYOffset= 0;
        QPCorrecture= 256*256;
    }
3271

3272 3273 3274 3275 3276
    /* copy & deinterlace first row of blocks */
    y=-BLOCK_SIZE;
    {
        const uint8_t *srcBlock= &(src[y*srcStride]);
        uint8_t *dstBlock= tempDst + dstStride;
3277

3278 3279 3280 3281
        // From this point on it is guaranteed that we can read and write 16 lines downward
        // finish 1 block before the next otherwise we 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<width; x+=BLOCK_SIZE){
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3282

3283
#if HAVE_MMX2
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3284
/*
3285 3286 3287 3288
            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);
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3289 3290
*/

3291
            __asm__(
3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304
                "mov %4, %%"REG_a"              \n\t"
                "shr $2, %%"REG_a"              \n\t"
                "and $6, %%"REG_a"              \n\t"
                "add %5, %%"REG_a"              \n\t"
                "mov %%"REG_a", %%"REG_d"       \n\t"
                "imul %1, %%"REG_a"             \n\t"
                "imul %3, %%"REG_d"             \n\t"
                "prefetchnta 32(%%"REG_a", %0)  \n\t"
                "prefetcht0 32(%%"REG_d", %2)   \n\t"
                "add %1, %%"REG_a"              \n\t"
                "add %3, %%"REG_d"              \n\t"
                "prefetchnta 32(%%"REG_a", %0)  \n\t"
                "prefetcht0 32(%%"REG_d", %2)   \n\t"
3305 3306
                :: "r" (srcBlock), "r" ((x86_reg)srcStride), "r" (dstBlock), "r" ((x86_reg)dstStride),
                "g" ((x86_reg)x), "g" ((x86_reg)copyAhead)
3307 3308
                : "%"REG_a, "%"REG_d
            );
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3309

3310
#elif HAVE_AMD3DNOW
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3311
//FIXME check if this is faster on an 3dnow chip or if it is faster without the prefetch or ...
3312 3313 3314 3315
/*          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);
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3316 3317 3318
*/
#endif

3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337
            RENAME(blockCopy)(dstBlock + dstStride*8, dstStride,
                              srcBlock + srcStride*8, srcStride, mode & LEVEL_FIX, &c.packedYOffset);

            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, c.deintTemp + x);
            else if(mode & MEDIAN_DEINT_FILTER)
                RENAME(deInterlaceMedian)(dstBlock, dstStride);
            else if(mode & CUBIC_IPOL_DEINT_FILTER)
                RENAME(deInterlaceInterpolateCubic)(dstBlock, dstStride);
            else if(mode & FFMPEG_DEINT_FILTER)
                RENAME(deInterlaceFF)(dstBlock, dstStride, c.deintTemp + x);
            else if(mode & LOWPASS5_DEINT_FILTER)
                RENAME(deInterlaceL5)(dstBlock, dstStride, c.deintTemp + x, c.deintTemp + width + x);
/*          else if(mode & CUBIC_BLEND_DEINT_FILTER)
                RENAME(deInterlaceBlendCubic)(dstBlock, dstStride);
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3338
*/
3339 3340 3341 3342 3343 3344 3345 3346 3347 3348
            dstBlock+=8;
            srcBlock+=8;
        }
        if(width==FFABS(dstStride))
            linecpy(dst, tempDst + 9*dstStride, copyAhead, dstStride);
        else{
            int i;
            for(i=0; i<copyAhead; i++){
                memcpy(dst + i*dstStride, tempDst + (9+i)*dstStride, width);
            }
3349
        }
3350
    }
3351

3352 3353 3354 3355
    for(y=0; y<height; y+=BLOCK_SIZE){
        //1% speedup if these are here instead of the inner loop
        const uint8_t *srcBlock= &(src[y*srcStride]);
        uint8_t *dstBlock= &(dst[y*dstStride]);
3356
#if HAVE_MMX
3357 3358
        uint8_t *tempBlock1= c.tempBlocks;
        uint8_t *tempBlock2= c.tempBlocks + 8;
3359
#endif
3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385
        const int8_t *QPptr= &QPs[(y>>qpVShift)*QPStride];
        int8_t *nonBQPptr= &c.nonBQPTable[(y>>qpVShift)*FFABS(QPStride)];
        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 */
            linecpy(tempSrc + srcStride*copyAhead, srcBlock + srcStride*copyAhead,
                    FFMAX(height-y-copyAhead, 0), srcStride);

            /* duplicate last line of src to fill the void upto line (copyAhead+7) */
            for(i=FFMAX(height-y, 8); i<copyAhead+8; i++)
                    memcpy(tempSrc + srcStride*i, src + srcStride*(height-1), FFABS(srcStride));

            /* copy up to (copyAhead+1) lines of dst (line -1 to (copyAhead-1))*/
            linecpy(tempDst, dstBlock - dstStride, FFMIN(height-y+1, copyAhead+1), dstStride);

            /* duplicate last line of dst to fill the void upto line (copyAhead) */
            for(i=height-y+1; i<=copyAhead; i++)
                    memcpy(tempDst + dstStride*i, dst + dstStride*(height-1), FFABS(dstStride));

            dstBlock= tempDst + dstStride;
            srcBlock= tempSrc;
        }
3386

3387 3388 3389 3390 3391
        // From this point on it is guaranteed that we can read and write 16 lines downward
        // finish 1 block before the next otherwise we 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<width; x+=BLOCK_SIZE){
            const int stride= dstStride;
3392
#if HAVE_MMX
3393
            uint8_t *tmpXchg;
3394
#endif
3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405
            if(isColor){
                QP= QPptr[x>>qpHShift];
                c.nonBQP= nonBQPptr[x>>qpHShift];
            }else{
                QP= QPptr[x>>4];
                QP= (QP* QPCorrecture + 256*128)>>16;
                c.nonBQP= nonBQPptr[x>>4];
                c.nonBQP= (c.nonBQP* QPCorrecture + 256*128)>>16;
                yHistogram[ srcBlock[srcStride*12 + 4] ]++;
            }
            c.QP= QP;
3406
#if HAVE_MMX
3407
            __asm__ volatile(
3408 3409 3410 3411 3412 3413 3414 3415
                "movd %1, %%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, %0         \n\t"
                : "=m" (c.pQPb)
                : "r" (QP)
            );
3416 3417 3418
#endif


3419
#if HAVE_MMX2
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3420
/*
3421 3422 3423 3424
            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);
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3425 3426
*/

3427
            __asm__(
3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440
                "mov %4, %%"REG_a"              \n\t"
                "shr $2, %%"REG_a"              \n\t"
                "and $6, %%"REG_a"              \n\t"
                "add %5, %%"REG_a"              \n\t"
                "mov %%"REG_a", %%"REG_d"       \n\t"
                "imul %1, %%"REG_a"             \n\t"
                "imul %3, %%"REG_d"             \n\t"
                "prefetchnta 32(%%"REG_a", %0)  \n\t"
                "prefetcht0 32(%%"REG_d", %2)   \n\t"
                "add %1, %%"REG_a"              \n\t"
                "add %3, %%"REG_d"              \n\t"
                "prefetchnta 32(%%"REG_a", %0)  \n\t"
                "prefetcht0 32(%%"REG_d", %2)   \n\t"
3441 3442
                :: "r" (srcBlock), "r" ((x86_reg)srcStride), "r" (dstBlock), "r" ((x86_reg)dstStride),
                "g" ((x86_reg)x), "g" ((x86_reg)copyAhead)
3443 3444
                : "%"REG_a, "%"REG_d
            );
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3445

3446
#elif HAVE_AMD3DNOW
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Diego Biurrun committed
3447
//FIXME check if this is faster on an 3dnow chip or if it is faster without the prefetch or ...
3448 3449 3450 3451
/*          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);
3452
*/
3453
#endif
3454

3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471
            RENAME(blockCopy)(dstBlock + dstStride*copyAhead, dstStride,
                              srcBlock + srcStride*copyAhead, srcStride, mode & LEVEL_FIX, &c.packedYOffset);

            if(mode & LINEAR_IPOL_DEINT_FILTER)
                RENAME(deInterlaceInterpolateLinear)(dstBlock, dstStride);
            else if(mode & LINEAR_BLEND_DEINT_FILTER)
                RENAME(deInterlaceBlendLinear)(dstBlock, dstStride, c.deintTemp + x);
            else if(mode & MEDIAN_DEINT_FILTER)
                RENAME(deInterlaceMedian)(dstBlock, dstStride);
            else if(mode & CUBIC_IPOL_DEINT_FILTER)
                RENAME(deInterlaceInterpolateCubic)(dstBlock, dstStride);
            else if(mode & FFMPEG_DEINT_FILTER)
                RENAME(deInterlaceFF)(dstBlock, dstStride, c.deintTemp + x);
            else if(mode & LOWPASS5_DEINT_FILTER)
                RENAME(deInterlaceL5)(dstBlock, dstStride, c.deintTemp + x, c.deintTemp + width + x);
/*          else if(mode & CUBIC_BLEND_DEINT_FILTER)
                RENAME(deInterlaceBlendCubic)(dstBlock, dstStride);
3472
*/
3473

3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488
            /* only deblock if we have 2 blocks */
            if(y + 8 < height){
                if(mode & V_X1_FILTER)
                    RENAME(vertX1Filter)(dstBlock, stride, &c);
                else if(mode & V_DEBLOCK){
                    const int t= RENAME(vertClassify)(dstBlock, stride, &c);

                    if(t==1)
                        RENAME(doVertLowPass)(dstBlock, stride, &c);
                    else if(t==2)
                        RENAME(doVertDefFilter)(dstBlock, stride, &c);
                }else if(mode & V_A_DEBLOCK){
                    RENAME(do_a_deblock)(dstBlock, stride, 1, &c);
                }
            }
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3489

3490
#if HAVE_MMX
3491
            RENAME(transpose1)(tempBlock1, tempBlock2, dstBlock, dstStride);
3492
#endif
3493 3494
            /* check if we have a previous block to deblock it with dstBlock */
            if(x - 8 >= 0){
3495
#if HAVE_MMX
3496 3497 3498
                if(mode & H_X1_FILTER)
                        RENAME(vertX1Filter)(tempBlock1, 16, &c);
                else if(mode & H_DEBLOCK){
3499
//START_TIMER
3500
                    const int t= RENAME(vertClassify)(tempBlock1, 16, &c);
3501
//STOP_TIMER("dc & minmax")
3502 3503 3504 3505 3506 3507 3508
                    if(t==1)
                        RENAME(doVertLowPass)(tempBlock1, 16, &c);
                    else if(t==2)
                        RENAME(doVertDefFilter)(tempBlock1, 16, &c);
                }else if(mode & H_A_DEBLOCK){
                        RENAME(do_a_deblock)(tempBlock1, 16, 1, &c);
                }
3509

3510
                RENAME(transpose2)(dstBlock-4, dstStride, tempBlock1 + 4*16);
3511 3512

#else
3513 3514 3515
                if(mode & H_X1_FILTER)
                    horizX1Filter(dstBlock-4, stride, QP);
                else if(mode & H_DEBLOCK){
3516
#if HAVE_ALTIVEC
3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528
                    DECLARE_ALIGNED(16, unsigned char, tempBlock[272]);
                    transpose_16x8_char_toPackedAlign_altivec(tempBlock, dstBlock - (4 + 1), stride);

                    const int t=vertClassify_altivec(tempBlock-48, 16, &c);
                    if(t==1) {
                        doVertLowPass_altivec(tempBlock-48, 16, &c);
                        transpose_8x16_char_fromPackedAlign_altivec(dstBlock - (4 + 1), tempBlock, stride);
                    }
                    else if(t==2) {
                        doVertDefFilter_altivec(tempBlock-48, 16, &c);
                        transpose_8x16_char_fromPackedAlign_altivec(dstBlock - (4 + 1), tempBlock, stride);
                    }
3529
#else
3530
                    const int t= RENAME(horizClassify)(dstBlock-4, stride, &c);
3531

3532 3533 3534 3535
                    if(t==1)
                        RENAME(doHorizLowPass)(dstBlock-4, stride, &c);
                    else if(t==2)
                        RENAME(doHorizDefFilter)(dstBlock-4, stride, &c);
3536
#endif
3537 3538 3539
                }else if(mode & H_A_DEBLOCK){
                    RENAME(do_a_deblock)(dstBlock-8, 1, stride, &c);
                }
3540
#endif //HAVE_MMX
3541 3542 3543 3544
                if(mode & DERING){
                //FIXME filter first line
                    if(y>0) RENAME(dering)(dstBlock - stride - 8, stride, &c);
                }
3545

3546 3547 3548
                if(mode & TEMP_NOISE_FILTER)
                {
                    RENAME(tempNoiseReducer)(dstBlock-8, stride,
3549 3550
                            c.tempBlurred[isColor] + y*dstStride + x,
                            c.tempBlurredPast[isColor] + (y>>3)*256 + (x>>3),
3551 3552 3553 3554 3555 3556
                            c.ppMode.maxTmpNoise);
                }
            }

            dstBlock+=8;
            srcBlock+=8;
3557

3558
#if HAVE_MMX
3559 3560 3561
            tmpXchg= tempBlock1;
            tempBlock1= tempBlock2;
            tempBlock2 = tmpXchg;
3562
#endif
3563
        }
3564

3565 3566 3567
        if(mode & DERING){
            if(y > 0) RENAME(dering)(dstBlock - dstStride - 8, dstStride, &c);
        }
3568

3569 3570
        if((mode & TEMP_NOISE_FILTER)){
            RENAME(tempNoiseReducer)(dstBlock-8, dstStride,
3571 3572
                    c.tempBlurred[isColor] + y*dstStride + x,
                    c.tempBlurredPast[isColor] + (y>>3)*256 + (x>>3),
3573 3574
                    c.ppMode.maxTmpNoise);
        }
3575

3576 3577 3578 3579 3580 3581 3582 3583 3584
        /* did we use a tmp buffer for the last lines*/
        if(y+15 >= height){
            uint8_t *dstBlock= &(dst[y*dstStride]);
            if(width==FFABS(dstStride))
                linecpy(dstBlock, tempDst + dstStride, height-y, dstStride);
            else{
                int i;
                for(i=0; i<height-y; i++){
                    memcpy(dstBlock + i*dstStride, tempDst + (i+1)*dstStride, width);
3585
                }
3586
            }
3587
        }
3588 3589 3590 3591 3592 3593 3594 3595 3596 3597
/*
        for(x=0; x<width; x+=32){
            volatile int i;
            i+= + dstBlock[x + 7*dstStride] + dstBlock[x + 8*dstStride]
                + dstBlock[x + 9*dstStride] + dstBlock[x +10*dstStride]
                + dstBlock[x +11*dstStride] + dstBlock[x +12*dstStride];
                + dstBlock[x +13*dstStride]
                + dstBlock[x +14*dstStride] + dstBlock[x +15*dstStride];
        }*/
    }
3598
#if   HAVE_AMD3DNOW
3599
    __asm__ volatile("femms");
3600
#elif HAVE_MMX
3601
    __asm__ volatile("emms");
3602 3603
#endif

3604
#ifdef DEBUG_BRIGHTNESS
3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618
    if(!isColor){
        int max=1;
        int i;
        for(i=0; i<256; i++)
            if(yHistogram[i] > 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;
        }
3619

3620 3621 3622
        for(i=0; i<100; i+=2){
            dst[ (white)*dstStride + i]+=128;
            dst[ (black)*dstStride + i]+=128;
3623
        }
3624
    }
3625 3626
#endif

3627
    *c2= c; //copy local context back
3628

3629
}