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FFmpeg/libswscale/x86/swscale_template.c

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  1. /*

  2.  * Copyright (C) 2001-2011 Michael Niedermayer <michaelni@gmx.at>

  3.  *

  4.  * This file is part of FFmpeg.

  5.  *

  6.  * FFmpeg is free software; you can redistribute it and/or

  7.  * modify it under the terms of the GNU Lesser General Public

  8.  * License as published by the Free Software Foundation; either

  9.  * version 2.1 of the License, or (at your option) any later version.

  10.  *

  11.  * FFmpeg is distributed in the hope that it will be useful,

  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  14.  * Lesser General Public License for more details.

  15.  *

  16.  * You should have received a copy of the GNU Lesser General Public

  17.  * License along with FFmpeg; if not, write to the Free Software

  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  19.  */

  20. 

  21. #undef REAL_MOVNTQ

  22. #undef MOVNTQ

  23. #undef MOVNTQ2

  24. #undef PREFETCH

  25. 

  26. #if COMPILE_TEMPLATE_MMXEXT

  27. #define PREFETCH "prefetchnta"

  28. #else

  29. #define PREFETCH  " # nop"

  30. #endif

  31. 

  32. #if COMPILE_TEMPLATE_MMXEXT

  33. #define REAL_MOVNTQ(a,b) "movntq " #a ", " #b " \n\t"

  34. #define MOVNTQ2 "movntq "

  35. #else

  36. #define REAL_MOVNTQ(a,b) "movq " #a ", " #b " \n\t"

  37. #define MOVNTQ2 "movq "

  38. #endif

  39. #define MOVNTQ(a,b)  REAL_MOVNTQ(a,b)

  40. 

  41. #if !COMPILE_TEMPLATE_MMXEXT

  42. static av_always_inline void

  43. dither_8to16(const uint8_t *srcDither, int rot)

  44. {

  45.     if (rot) {

  46.         __asm__ volatile("pxor      %%mm0, %%mm0\n\t"

  47.                          "movq       (%0), %%mm3\n\t"

  48.                          "movq      %%mm3, %%mm4\n\t"

  49.                          "psrlq       $24, %%mm3\n\t"

  50.                          "psllq       $40, %%mm4\n\t"

  51.                          "por       %%mm4, %%mm3\n\t"

  52.                          "movq      %%mm3, %%mm4\n\t"

  53.                          "punpcklbw %%mm0, %%mm3\n\t"

  54.                          "punpckhbw %%mm0, %%mm4\n\t"

  55.                          :: "r"(srcDither)

  56.                          );

  57.     } else {

  58.         __asm__ volatile("pxor      %%mm0, %%mm0\n\t"

  59.                          "movq       (%0), %%mm3\n\t"

  60.                          "movq      %%mm3, %%mm4\n\t"

  61.                          "punpcklbw %%mm0, %%mm3\n\t"

  62.                          "punpckhbw %%mm0, %%mm4\n\t"

  63.                          :: "r"(srcDither)

  64.                          );

  65.     }

  66. }

  67. #endif

  68. 

  69. static void RENAME(yuv2yuvX)(const int16_t *filter, int filterSize,

  70.                            const int16_t **src, uint8_t *dest, int dstW,

  71.                            const uint8_t *dither, int offset)

  72. {

  73.     dither_8to16(dither, offset);

  74.     filterSize--;

  75.     __asm__ volatile(

  76.         "movd %0, %%mm1\n\t"

  77.         "punpcklwd %%mm1, %%mm1\n\t"

  78.         "punpckldq %%mm1, %%mm1\n\t"

  79.         "psllw        $3, %%mm1\n\t"

  80.         "paddw     %%mm1, %%mm3\n\t"

  81.         "paddw     %%mm1, %%mm4\n\t"

  82.         "psraw        $4, %%mm3\n\t"

  83.         "psraw        $4, %%mm4\n\t"

  84.         ::"m"(filterSize)

  85.      );

  86. 

  87.     __asm__ volatile(\

  88.         "movq    %%mm3, %%mm6\n\t"

  89.         "movq    %%mm4, %%mm7\n\t"

  90.         "movl %3, %%ecx\n\t"

  91.         "mov                                 %0, %%"REG_d"  \n\t"\

  92.         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\

  93.         ".p2align                             4             \n\t" /* FIXME Unroll? */\

  94.         "1:                                                 \n\t"\

  95.         "movq                      8(%%"REG_d"), %%mm0      \n\t" /* filterCoeff */\

  96.         "movq                (%%"REG_S", %%"REG_c", 2), %%mm2      \n\t" /* srcData */\

  97.         "movq               8(%%"REG_S", %%"REG_c", 2), %%mm5      \n\t" /* srcData */\

  98.         "add                                $16, %%"REG_d"  \n\t"\

  99.         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\

  100.         "test                         %%"REG_S", %%"REG_S"  \n\t"\

  101.         "pmulhw                           %%mm0, %%mm2      \n\t"\

  102.         "pmulhw                           %%mm0, %%mm5      \n\t"\

  103.         "paddw                            %%mm2, %%mm3      \n\t"\

  104.         "paddw                            %%mm5, %%mm4      \n\t"\

  105.         " jnz                                1b             \n\t"\

  106.         "psraw                               $3, %%mm3      \n\t"\

  107.         "psraw                               $3, %%mm4      \n\t"\

  108.         "packuswb                         %%mm4, %%mm3      \n\t"

  109.         MOVNTQ2 "                         %%mm3, (%1, %%"REG_c")\n\t"

  110.         "add                          $8, %%"REG_c"         \n\t"\

  111.         "cmp                          %2, %%"REG_c"         \n\t"\

  112.         "movq    %%mm6, %%mm3\n\t"

  113.         "movq    %%mm7, %%mm4\n\t"

  114.         "mov                                 %0, %%"REG_d"  \n\t"\

  115.         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\

  116.         "jb                                  1b             \n\t"\

  117.         :: "g" (filter),

  118.            "r" (dest-offset), "g" ((x86_reg)(dstW+offset)), "m" (offset)

  119.         : "%"REG_d, "%"REG_S, "%"REG_c

  120.     );

  121. }

  122. 

  123. #define YSCALEYUV2PACKEDX_UV \

  124.     __asm__ volatile(\

  125.         "xor                   %%"REG_a", %%"REG_a"     \n\t"\

  126.         ".p2align                      4                \n\t"\

  127.         "nop                                            \n\t"\

  128.         "1:                                             \n\t"\

  129.         "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\

  130.         "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\

  131.         "movq      "VROUNDER_OFFSET"(%0), %%mm3         \n\t"\

  132.         "movq                      %%mm3, %%mm4         \n\t"\

  133.         ".p2align                      4                \n\t"\

  134.         "2:                                             \n\t"\

  135.         "movq               8(%%"REG_d"), %%mm0         \n\t" /* filterCoeff */\

  136.         "movq     (%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* UsrcData */\

  137.         "add                          %6, %%"REG_S"     \n\t" \

  138.         "movq     (%%"REG_S", %%"REG_a"), %%mm5         \n\t" /* VsrcData */\

  139.         "add                         $16, %%"REG_d"     \n\t"\

  140.         "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\

  141.         "pmulhw                    %%mm0, %%mm2         \n\t"\

  142.         "pmulhw                    %%mm0, %%mm5         \n\t"\

  143.         "paddw                     %%mm2, %%mm3         \n\t"\

  144.         "paddw                     %%mm5, %%mm4         \n\t"\

  145.         "test                  %%"REG_S", %%"REG_S"     \n\t"\

  146.         " jnz                         2b                \n\t"\

  147. 

  148. #define YSCALEYUV2PACKEDX_YA(offset,coeff,src1,src2,dst1,dst2) \

  149.     "lea                "offset"(%0), %%"REG_d"     \n\t"\

  150.     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\

  151.     "movq      "VROUNDER_OFFSET"(%0), "#dst1"       \n\t"\

  152.     "movq                    "#dst1", "#dst2"       \n\t"\

  153.     ".p2align                      4                \n\t"\

  154.     "2:                                             \n\t"\

  155.     "movq               8(%%"REG_d"), "#coeff"      \n\t" /* filterCoeff */\

  156.     "movq  (%%"REG_S", %%"REG_a", 2), "#src1"       \n\t" /* Y1srcData */\

  157.     "movq 8(%%"REG_S", %%"REG_a", 2), "#src2"       \n\t" /* Y2srcData */\

  158.     "add                         $16, %%"REG_d"            \n\t"\

  159.     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\

  160.     "pmulhw                 "#coeff", "#src1"       \n\t"\

  161.     "pmulhw                 "#coeff", "#src2"       \n\t"\

  162.     "paddw                   "#src1", "#dst1"       \n\t"\

  163.     "paddw                   "#src2", "#dst2"       \n\t"\

  164.     "test                  %%"REG_S", %%"REG_S"     \n\t"\

  165.     " jnz                         2b                \n\t"\

  166. 

  167. #define YSCALEYUV2PACKEDX \

  168.     YSCALEYUV2PACKEDX_UV \

  169.     YSCALEYUV2PACKEDX_YA(LUM_MMX_FILTER_OFFSET,%%mm0,%%mm2,%%mm5,%%mm1,%%mm7) \

  170. 

  171. #define YSCALEYUV2PACKEDX_END                     \

  172.         :: "r" (&c->redDither),                   \

  173.             "m" (dummy), "m" (dummy), "m" (dummy),\

  174.             "r" (dest), "m" (dstW_reg), "m"(uv_off) \

  175.             NAMED_CONSTRAINTS_ADD(bF8,bFC) \

  176.         : "%"REG_a, "%"REG_d, "%"REG_S            \

  177.     );

  178. 

  179. #define YSCALEYUV2PACKEDX_ACCURATE_UV \

  180.     __asm__ volatile(\

  181.         "xor %%"REG_a", %%"REG_a"                       \n\t"\

  182.         ".p2align                      4                \n\t"\

  183.         "nop                                            \n\t"\

  184.         "1:                                             \n\t"\

  185.         "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\

  186.         "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\

  187.         "pxor                      %%mm4, %%mm4         \n\t"\

  188.         "pxor                      %%mm5, %%mm5         \n\t"\

  189.         "pxor                      %%mm6, %%mm6         \n\t"\

  190.         "pxor                      %%mm7, %%mm7         \n\t"\

  191.         ".p2align                      4                \n\t"\

  192.         "2:                                             \n\t"\

  193.         "movq     (%%"REG_S", %%"REG_a"), %%mm0         \n\t" /* UsrcData */\

  194.         "add                          %6, %%"REG_S"      \n\t" \

  195.         "movq     (%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* VsrcData */\

  196.         "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\

  197.         "movq     (%%"REG_S", %%"REG_a"), %%mm1         \n\t" /* UsrcData */\

  198.         "movq                      %%mm0, %%mm3         \n\t"\

  199.         "punpcklwd                 %%mm1, %%mm0         \n\t"\

  200.         "punpckhwd                 %%mm1, %%mm3         \n\t"\

  201.         "movq "STR(APCK_COEF)"(%%"REG_d"),%%mm1         \n\t" /* filterCoeff */\

  202.         "pmaddwd                   %%mm1, %%mm0         \n\t"\

  203.         "pmaddwd                   %%mm1, %%mm3         \n\t"\

  204.         "paddd                     %%mm0, %%mm4         \n\t"\

  205.         "paddd                     %%mm3, %%mm5         \n\t"\

  206.         "add                          %6, %%"REG_S"      \n\t" \

  207.         "movq     (%%"REG_S", %%"REG_a"), %%mm3         \n\t" /* VsrcData */\

  208.         "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\

  209.         "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\

  210.         "test                  %%"REG_S", %%"REG_S"     \n\t"\

  211.         "movq                      %%mm2, %%mm0         \n\t"\

  212.         "punpcklwd                 %%mm3, %%mm2         \n\t"\

  213.         "punpckhwd                 %%mm3, %%mm0         \n\t"\

  214.         "pmaddwd                   %%mm1, %%mm2         \n\t"\

  215.         "pmaddwd                   %%mm1, %%mm0         \n\t"\

  216.         "paddd                     %%mm2, %%mm6         \n\t"\

  217.         "paddd                     %%mm0, %%mm7         \n\t"\

  218.         " jnz                         2b                \n\t"\

  219.         "psrad                       $16, %%mm4         \n\t"\

  220.         "psrad                       $16, %%mm5         \n\t"\

  221.         "psrad                       $16, %%mm6         \n\t"\

  222.         "psrad                       $16, %%mm7         \n\t"\

  223.         "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\

  224.         "packssdw                  %%mm5, %%mm4         \n\t"\

  225.         "packssdw                  %%mm7, %%mm6         \n\t"\

  226.         "paddw                     %%mm0, %%mm4         \n\t"\

  227.         "paddw                     %%mm0, %%mm6         \n\t"\

  228.         "movq                      %%mm4, "U_TEMP"(%0)  \n\t"\

  229.         "movq                      %%mm6, "V_TEMP"(%0)  \n\t"\

  230. 

  231. #define YSCALEYUV2PACKEDX_ACCURATE_YA(offset) \

  232.     "lea                "offset"(%0), %%"REG_d"     \n\t"\

  233.     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\

  234.     "pxor                      %%mm1, %%mm1         \n\t"\

  235.     "pxor                      %%mm5, %%mm5         \n\t"\

  236.     "pxor                      %%mm7, %%mm7         \n\t"\

  237.     "pxor                      %%mm6, %%mm6         \n\t"\

  238.     ".p2align                      4                \n\t"\

  239.     "2:                                             \n\t"\

  240.     "movq  (%%"REG_S", %%"REG_a", 2), %%mm0         \n\t" /* Y1srcData */\

  241.     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm2         \n\t" /* Y2srcData */\

  242.     "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\

  243.     "movq  (%%"REG_S", %%"REG_a", 2), %%mm4         \n\t" /* Y1srcData */\

  244.     "movq                      %%mm0, %%mm3         \n\t"\

  245.     "punpcklwd                 %%mm4, %%mm0         \n\t"\

  246.     "punpckhwd                 %%mm4, %%mm3         \n\t"\

  247.     "movq "STR(APCK_COEF)"(%%"REG_d"), %%mm4         \n\t" /* filterCoeff */\

  248.     "pmaddwd                   %%mm4, %%mm0         \n\t"\

  249.     "pmaddwd                   %%mm4, %%mm3         \n\t"\

  250.     "paddd                     %%mm0, %%mm1         \n\t"\

  251.     "paddd                     %%mm3, %%mm5         \n\t"\

  252.     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm3         \n\t" /* Y2srcData */\

  253.     "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\

  254.     "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\

  255.     "test                  %%"REG_S", %%"REG_S"     \n\t"\

  256.     "movq                      %%mm2, %%mm0         \n\t"\

  257.     "punpcklwd                 %%mm3, %%mm2         \n\t"\

  258.     "punpckhwd                 %%mm3, %%mm0         \n\t"\

  259.     "pmaddwd                   %%mm4, %%mm2         \n\t"\

  260.     "pmaddwd                   %%mm4, %%mm0         \n\t"\

  261.     "paddd                     %%mm2, %%mm7         \n\t"\

  262.     "paddd                     %%mm0, %%mm6         \n\t"\

  263.     " jnz                         2b                \n\t"\

  264.     "psrad                       $16, %%mm1         \n\t"\

  265.     "psrad                       $16, %%mm5         \n\t"\

  266.     "psrad                       $16, %%mm7         \n\t"\

  267.     "psrad                       $16, %%mm6         \n\t"\

  268.     "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\

  269.     "packssdw                  %%mm5, %%mm1         \n\t"\

  270.     "packssdw                  %%mm6, %%mm7         \n\t"\

  271.     "paddw                     %%mm0, %%mm1         \n\t"\

  272.     "paddw                     %%mm0, %%mm7         \n\t"\

  273.     "movq               "U_TEMP"(%0), %%mm3         \n\t"\

  274.     "movq               "V_TEMP"(%0), %%mm4         \n\t"\

  275. 

  276. #define YSCALEYUV2PACKEDX_ACCURATE \

  277.     YSCALEYUV2PACKEDX_ACCURATE_UV \

  278.     YSCALEYUV2PACKEDX_ACCURATE_YA(LUM_MMX_FILTER_OFFSET)

  279. 

  280. #define YSCALEYUV2RGBX \

  281.     "psubw  "U_OFFSET"(%0), %%mm3       \n\t" /* (U-128)8*/\

  282.     "psubw  "V_OFFSET"(%0), %%mm4       \n\t" /* (V-128)8*/\

  283.     "movq            %%mm3, %%mm2       \n\t" /* (U-128)8*/\

  284.     "movq            %%mm4, %%mm5       \n\t" /* (V-128)8*/\

  285.     "pmulhw "UG_COEFF"(%0), %%mm3       \n\t"\

  286.     "pmulhw "VG_COEFF"(%0), %%mm4       \n\t"\

  287.     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\

  288.     "pmulhw "UB_COEFF"(%0), %%mm2       \n\t"\

  289.     "pmulhw "VR_COEFF"(%0), %%mm5       \n\t"\

  290.     "psubw  "Y_OFFSET"(%0), %%mm1       \n\t" /* 8(Y-16)*/\

  291.     "psubw  "Y_OFFSET"(%0), %%mm7       \n\t" /* 8(Y-16)*/\

  292.     "pmulhw  "Y_COEFF"(%0), %%mm1       \n\t"\

  293.     "pmulhw  "Y_COEFF"(%0), %%mm7       \n\t"\

  294.     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\

  295.     "paddw           %%mm3, %%mm4       \n\t"\

  296.     "movq            %%mm2, %%mm0       \n\t"\

  297.     "movq            %%mm5, %%mm6       \n\t"\

  298.     "movq            %%mm4, %%mm3       \n\t"\

  299.     "punpcklwd       %%mm2, %%mm2       \n\t"\

  300.     "punpcklwd       %%mm5, %%mm5       \n\t"\

  301.     "punpcklwd       %%mm4, %%mm4       \n\t"\

  302.     "paddw           %%mm1, %%mm2       \n\t"\

  303.     "paddw           %%mm1, %%mm5       \n\t"\

  304.     "paddw           %%mm1, %%mm4       \n\t"\

  305.     "punpckhwd       %%mm0, %%mm0       \n\t"\

  306.     "punpckhwd       %%mm6, %%mm6       \n\t"\

  307.     "punpckhwd       %%mm3, %%mm3       \n\t"\

  308.     "paddw           %%mm7, %%mm0       \n\t"\

  309.     "paddw           %%mm7, %%mm6       \n\t"\

  310.     "paddw           %%mm7, %%mm3       \n\t"\

  311.     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\

  312.     "packuswb        %%mm0, %%mm2       \n\t"\

  313.     "packuswb        %%mm6, %%mm5       \n\t"\

  314.     "packuswb        %%mm3, %%mm4       \n\t"\

  315. 

  316. #define REAL_WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t) \

  317.     "movq       "#b", "#q2"     \n\t" /* B */\

  318.     "movq       "#r", "#t"      \n\t" /* R */\

  319.     "punpcklbw  "#g", "#b"      \n\t" /* GBGBGBGB 0 */\

  320.     "punpcklbw  "#a", "#r"      \n\t" /* ARARARAR 0 */\

  321.     "punpckhbw  "#g", "#q2"     \n\t" /* GBGBGBGB 2 */\

  322.     "punpckhbw  "#a", "#t"      \n\t" /* ARARARAR 2 */\

  323.     "movq       "#b", "#q0"     \n\t" /* GBGBGBGB 0 */\

  324.     "movq      "#q2", "#q3"     \n\t" /* GBGBGBGB 2 */\

  325.     "punpcklwd  "#r", "#q0"     \n\t" /* ARGBARGB 0 */\

  326.     "punpckhwd  "#r", "#b"      \n\t" /* ARGBARGB 1 */\

  327.     "punpcklwd  "#t", "#q2"     \n\t" /* ARGBARGB 2 */\

  328.     "punpckhwd  "#t", "#q3"     \n\t" /* ARGBARGB 3 */\

  329. \

  330.     MOVNTQ(   q0,   (dst, index, 4))\

  331.     MOVNTQ(    b,  8(dst, index, 4))\

  332.     MOVNTQ(   q2, 16(dst, index, 4))\

  333.     MOVNTQ(   q3, 24(dst, index, 4))\

  334. \

  335.     "add      $8, "#index"      \n\t"\

  336.     "cmp "#dstw", "#index"      \n\t"\

  337.     " jb      1b                \n\t"

  338. #define WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t)  REAL_WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t)

  339. 

  340. static void RENAME(yuv2rgb32_X_ar)(SwsContext *c, const int16_t *lumFilter,

  341.                                    const int16_t **lumSrc, int lumFilterSize,

  342.                                    const int16_t *chrFilter, const int16_t **chrUSrc,

  343.                                    const int16_t **chrVSrc,

  344.                                    int chrFilterSize, const int16_t **alpSrc,

  345.                                    uint8_t *dest, int dstW, int dstY)

  346. {

  347.     x86_reg dummy=0;

  348.     x86_reg dstW_reg = dstW;

  349.     x86_reg uv_off = c->uv_offx2;

  350. 

  351.     if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {

  352.         YSCALEYUV2PACKEDX_ACCURATE

  353.         YSCALEYUV2RGBX

  354.         "movq                      %%mm2, "U_TEMP"(%0)  \n\t"

  355.         "movq                      %%mm4, "V_TEMP"(%0)  \n\t"

  356.         "movq                      %%mm5, "Y_TEMP"(%0)  \n\t"

  357.         YSCALEYUV2PACKEDX_ACCURATE_YA(ALP_MMX_FILTER_OFFSET)

  358.         "movq               "Y_TEMP"(%0), %%mm5         \n\t"

  359.         "psraw                        $3, %%mm1         \n\t"

  360.         "psraw                        $3, %%mm7         \n\t"

  361.         "packuswb                  %%mm7, %%mm1         \n\t"

  362.         WRITEBGR32(%4, %5, %%REGa, %%mm3, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm2, %%mm6)

  363.         YSCALEYUV2PACKEDX_END

  364.     } else {

  365.         YSCALEYUV2PACKEDX_ACCURATE

  366.         YSCALEYUV2RGBX

  367.         "pcmpeqd %%mm7, %%mm7 \n\t"

  368.         WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)

  369.         YSCALEYUV2PACKEDX_END

  370.     }

  371. }

  372. 

  373. static void RENAME(yuv2rgb32_X)(SwsContext *c, const int16_t *lumFilter,

  374.                                 const int16_t **lumSrc, int lumFilterSize,

  375.                                 const int16_t *chrFilter, const int16_t **chrUSrc,

  376.                                 const int16_t **chrVSrc,

  377.                                 int chrFilterSize, const int16_t **alpSrc,

  378.                                 uint8_t *dest, int dstW, int dstY)

  379. {

  380.     x86_reg dummy=0;

  381.     x86_reg dstW_reg = dstW;

  382.     x86_reg uv_off = c->uv_offx2;

  383. 

  384.     if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {

  385.         YSCALEYUV2PACKEDX

  386.         YSCALEYUV2RGBX

  387.         YSCALEYUV2PACKEDX_YA(ALP_MMX_FILTER_OFFSET, %%mm0, %%mm3, %%mm6, %%mm1, %%mm7)

  388.         "psraw                        $3, %%mm1         \n\t"

  389.         "psraw                        $3, %%mm7         \n\t"

  390.         "packuswb                  %%mm7, %%mm1         \n\t"

  391.         WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)

  392.         YSCALEYUV2PACKEDX_END

  393.     } else {

  394.         YSCALEYUV2PACKEDX

  395.         YSCALEYUV2RGBX

  396.         "pcmpeqd %%mm7, %%mm7 \n\t"

  397.         WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)

  398.         YSCALEYUV2PACKEDX_END

  399.     }

  400. }

  401. 

  402. #define REAL_WRITERGB16(dst, dstw, index) \

  403.     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\

  404.     "pand "MANGLE(bFC)", %%mm4  \n\t" /* G */\

  405.     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\

  406.     "psrlq           $3, %%mm2  \n\t"\

  407. \

  408.     "movq         %%mm2, %%mm1  \n\t"\

  409.     "movq         %%mm4, %%mm3  \n\t"\

  410. \

  411.     "punpcklbw    %%mm7, %%mm3  \n\t"\

  412.     "punpcklbw    %%mm5, %%mm2  \n\t"\

  413.     "punpckhbw    %%mm7, %%mm4  \n\t"\

  414.     "punpckhbw    %%mm5, %%mm1  \n\t"\

  415. \

  416.     "psllq           $3, %%mm3  \n\t"\

  417.     "psllq           $3, %%mm4  \n\t"\

  418. \

  419.     "por          %%mm3, %%mm2  \n\t"\

  420.     "por          %%mm4, %%mm1  \n\t"\

  421. \

  422.     MOVNTQ(%%mm2,  (dst, index, 2))\

  423.     MOVNTQ(%%mm1, 8(dst, index, 2))\

  424. \

  425.     "add             $8, "#index"   \n\t"\

  426.     "cmp        "#dstw", "#index"   \n\t"\

  427.     " jb             1b             \n\t"

  428. #define WRITERGB16(dst, dstw, index)  REAL_WRITERGB16(dst, dstw, index)

  429. 

  430. static void RENAME(yuv2rgb565_X_ar)(SwsContext *c, const int16_t *lumFilter,

  431.                                     const int16_t **lumSrc, int lumFilterSize,

  432.                                     const int16_t *chrFilter, const int16_t **chrUSrc,

  433.                                     const int16_t **chrVSrc,

  434.                                     int chrFilterSize, const int16_t **alpSrc,

  435.                                     uint8_t *dest, int dstW, int dstY)

  436. {

  437.     x86_reg dummy=0;

  438.     x86_reg dstW_reg = dstW;

  439.     x86_reg uv_off = c->uv_offx2;

  440. 

  441.     YSCALEYUV2PACKEDX_ACCURATE

  442.     YSCALEYUV2RGBX

  443.     "pxor %%mm7, %%mm7 \n\t"

  444.     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  445. #ifdef DITHER1XBPP

  446.     "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"

  447.     "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"

  448.     "paddusb "RED_DITHER"(%0), %%mm5\n\t"

  449. #endif

  450.     WRITERGB16(%4, %5, %%REGa)

  451.     YSCALEYUV2PACKEDX_END

  452. }

  453. 

  454. static void RENAME(yuv2rgb565_X)(SwsContext *c, const int16_t *lumFilter,

  455.                                  const int16_t **lumSrc, int lumFilterSize,

  456.                                  const int16_t *chrFilter, const int16_t **chrUSrc,

  457.                                  const int16_t **chrVSrc,

  458.                                  int chrFilterSize, const int16_t **alpSrc,

  459.                                  uint8_t *dest, int dstW, int dstY)

  460. {

  461.     x86_reg dummy=0;

  462.     x86_reg dstW_reg = dstW;

  463.     x86_reg uv_off = c->uv_offx2;

  464. 

  465.     YSCALEYUV2PACKEDX

  466.     YSCALEYUV2RGBX

  467.     "pxor %%mm7, %%mm7 \n\t"

  468.     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  469. #ifdef DITHER1XBPP

  470.     "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"

  471.     "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"

  472.     "paddusb "RED_DITHER"(%0), %%mm5  \n\t"

  473. #endif

  474.     WRITERGB16(%4, %5, %%REGa)

  475.     YSCALEYUV2PACKEDX_END

  476. }

  477. 

  478. #define REAL_WRITERGB15(dst, dstw, index) \

  479.     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\

  480.     "pand "MANGLE(bF8)", %%mm4  \n\t" /* G */\

  481.     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\

  482.     "psrlq           $3, %%mm2  \n\t"\

  483.     "psrlq           $1, %%mm5  \n\t"\

  484. \

  485.     "movq         %%mm2, %%mm1  \n\t"\

  486.     "movq         %%mm4, %%mm3  \n\t"\

  487. \

  488.     "punpcklbw    %%mm7, %%mm3  \n\t"\

  489.     "punpcklbw    %%mm5, %%mm2  \n\t"\

  490.     "punpckhbw    %%mm7, %%mm4  \n\t"\

  491.     "punpckhbw    %%mm5, %%mm1  \n\t"\

  492. \

  493.     "psllq           $2, %%mm3  \n\t"\

  494.     "psllq           $2, %%mm4  \n\t"\

  495. \

  496.     "por          %%mm3, %%mm2  \n\t"\

  497.     "por          %%mm4, %%mm1  \n\t"\

  498. \

  499.     MOVNTQ(%%mm2,  (dst, index, 2))\

  500.     MOVNTQ(%%mm1, 8(dst, index, 2))\

  501. \

  502.     "add             $8, "#index"   \n\t"\

  503.     "cmp        "#dstw", "#index"   \n\t"\

  504.     " jb             1b             \n\t"

  505. #define WRITERGB15(dst, dstw, index)  REAL_WRITERGB15(dst, dstw, index)

  506. 

  507. static void RENAME(yuv2rgb555_X_ar)(SwsContext *c, const int16_t *lumFilter,

  508.                                     const int16_t **lumSrc, int lumFilterSize,

  509.                                     const int16_t *chrFilter, const int16_t **chrUSrc,

  510.                                     const int16_t **chrVSrc,

  511.                                     int chrFilterSize, const int16_t **alpSrc,

  512.                                     uint8_t *dest, int dstW, int dstY)

  513. {

  514.     x86_reg dummy=0;

  515.     x86_reg dstW_reg = dstW;

  516.     x86_reg uv_off = c->uv_offx2;

  517. 

  518.     YSCALEYUV2PACKEDX_ACCURATE

  519.     YSCALEYUV2RGBX

  520.     "pxor %%mm7, %%mm7 \n\t"

  521.     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  522. #ifdef DITHER1XBPP

  523.     "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"

  524.     "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"

  525.     "paddusb "RED_DITHER"(%0), %%mm5\n\t"

  526. #endif

  527.     WRITERGB15(%4, %5, %%REGa)

  528.     YSCALEYUV2PACKEDX_END

  529. }

  530. 

  531. static void RENAME(yuv2rgb555_X)(SwsContext *c, const int16_t *lumFilter,

  532.                                  const int16_t **lumSrc, int lumFilterSize,

  533.                                  const int16_t *chrFilter, const int16_t **chrUSrc,

  534.                                  const int16_t **chrVSrc,

  535.                                  int chrFilterSize, const int16_t **alpSrc,

  536.                                  uint8_t *dest, int dstW, int dstY)

  537. {

  538.     x86_reg dummy=0;

  539.     x86_reg dstW_reg = dstW;

  540.     x86_reg uv_off = c->uv_offx2;

  541. 

  542.     YSCALEYUV2PACKEDX

  543.     YSCALEYUV2RGBX

  544.     "pxor %%mm7, %%mm7 \n\t"

  545.     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  546. #ifdef DITHER1XBPP

  547.     "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"

  548.     "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"

  549.     "paddusb "RED_DITHER"(%0), %%mm5  \n\t"

  550. #endif

  551.     WRITERGB15(%4, %5, %%REGa)

  552.     YSCALEYUV2PACKEDX_END

  553. }

  554. 

  555. #define WRITEBGR24MMX(dst, dstw, index) \

  556.     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\

  557.     "movq      %%mm2, %%mm1     \n\t" /* B */\

  558.     "movq      %%mm5, %%mm6     \n\t" /* R */\

  559.     "punpcklbw %%mm4, %%mm2     \n\t" /* GBGBGBGB 0 */\

  560.     "punpcklbw %%mm7, %%mm5     \n\t" /* 0R0R0R0R 0 */\

  561.     "punpckhbw %%mm4, %%mm1     \n\t" /* GBGBGBGB 2 */\

  562.     "punpckhbw %%mm7, %%mm6     \n\t" /* 0R0R0R0R 2 */\

  563.     "movq      %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */\

  564.     "movq      %%mm1, %%mm3     \n\t" /* GBGBGBGB 2 */\

  565.     "punpcklwd %%mm5, %%mm0     \n\t" /* 0RGB0RGB 0 */\

  566.     "punpckhwd %%mm5, %%mm2     \n\t" /* 0RGB0RGB 1 */\

  567.     "punpcklwd %%mm6, %%mm1     \n\t" /* 0RGB0RGB 2 */\

  568.     "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */\

  569. \

  570.     "movq      %%mm0, %%mm4     \n\t" /* 0RGB0RGB 0 */\

  571.     "movq      %%mm2, %%mm6     \n\t" /* 0RGB0RGB 1 */\

  572.     "movq      %%mm1, %%mm5     \n\t" /* 0RGB0RGB 2 */\

  573.     "movq      %%mm3, %%mm7     \n\t" /* 0RGB0RGB 3 */\

  574. \

  575.     "psllq       $40, %%mm0     \n\t" /* RGB00000 0 */\

  576.     "psllq       $40, %%mm2     \n\t" /* RGB00000 1 */\

  577.     "psllq       $40, %%mm1     \n\t" /* RGB00000 2 */\

  578.     "psllq       $40, %%mm3     \n\t" /* RGB00000 3 */\

  579. \

  580.     "punpckhdq %%mm4, %%mm0     \n\t" /* 0RGBRGB0 0 */\

  581.     "punpckhdq %%mm6, %%mm2     \n\t" /* 0RGBRGB0 1 */\

  582.     "punpckhdq %%mm5, %%mm1     \n\t" /* 0RGBRGB0 2 */\

  583.     "punpckhdq %%mm7, %%mm3     \n\t" /* 0RGBRGB0 3 */\

  584. \

  585.     "psrlq        $8, %%mm0     \n\t" /* 00RGBRGB 0 */\

  586.     "movq      %%mm2, %%mm6     \n\t" /* 0RGBRGB0 1 */\

  587.     "psllq       $40, %%mm2     \n\t" /* GB000000 1 */\

  588.     "por       %%mm2, %%mm0     \n\t" /* GBRGBRGB 0 */\

  589.     MOVNTQ(%%mm0, (dst))\

  590. \

  591.     "psrlq       $24, %%mm6     \n\t" /* 0000RGBR 1 */\

  592.     "movq      %%mm1, %%mm5     \n\t" /* 0RGBRGB0 2 */\

  593.     "psllq       $24, %%mm1     \n\t" /* BRGB0000 2 */\

  594.     "por       %%mm1, %%mm6     \n\t" /* BRGBRGBR 1 */\

  595.     MOVNTQ(%%mm6, 8(dst))\

  596. \

  597.     "psrlq       $40, %%mm5     \n\t" /* 000000RG 2 */\

  598.     "psllq        $8, %%mm3     \n\t" /* RGBRGB00 3 */\

  599.     "por       %%mm3, %%mm5     \n\t" /* RGBRGBRG 2 */\

  600.     MOVNTQ(%%mm5, 16(dst))\

  601. \

  602.     "add         $24, "#dst"    \n\t"\

  603. \

  604.     "add          $8, "#index"  \n\t"\

  605.     "cmp     "#dstw", "#index"  \n\t"\

  606.     " jb          1b            \n\t"

  607. 

  608. #define WRITEBGR24MMXEXT(dst, dstw, index) \

  609.     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\

  610.     "movq "MANGLE(ff_M24A)", %%mm0 \n\t"\

  611.     "movq "MANGLE(ff_M24C)", %%mm7 \n\t"\

  612.     "pshufw $0x50, %%mm2, %%mm1 \n\t" /* B3 B2 B3 B2  B1 B0 B1 B0 */\

  613.     "pshufw $0x50, %%mm4, %%mm3 \n\t" /* G3 G2 G3 G2  G1 G0 G1 G0 */\

  614.     "pshufw $0x00, %%mm5, %%mm6 \n\t" /* R1 R0 R1 R0  R1 R0 R1 R0 */\

  615. \

  616.     "pand   %%mm0, %%mm1        \n\t" /*    B2        B1       B0 */\

  617.     "pand   %%mm0, %%mm3        \n\t" /*    G2        G1       G0 */\

  618.     "pand   %%mm7, %%mm6        \n\t" /*       R1        R0       */\

  619. \

  620.     "psllq     $8, %%mm3        \n\t" /* G2        G1       G0    */\

  621.     "por    %%mm1, %%mm6        \n\t"\

  622.     "por    %%mm3, %%mm6        \n\t"\

  623.     MOVNTQ(%%mm6, (dst))\

  624. \

  625.     "psrlq     $8, %%mm4        \n\t" /* 00 G7 G6 G5  G4 G3 G2 G1 */\

  626.     "pshufw $0xA5, %%mm2, %%mm1 \n\t" /* B5 B4 B5 B4  B3 B2 B3 B2 */\

  627.     "pshufw $0x55, %%mm4, %%mm3 \n\t" /* G4 G3 G4 G3  G4 G3 G4 G3 */\

  628.     "pshufw $0xA5, %%mm5, %%mm6 \n\t" /* R5 R4 R5 R4  R3 R2 R3 R2 */\

  629. \

  630.     "pand "MANGLE(ff_M24B)", %%mm1 \n\t" /* B5       B4        B3    */\

  631.     "pand   %%mm7, %%mm3        \n\t" /*       G4        G3       */\

  632.     "pand   %%mm0, %%mm6        \n\t" /*    R4        R3       R2 */\

  633. \

  634.     "por    %%mm1, %%mm3        \n\t" /* B5    G4 B4     G3 B3    */\

  635.     "por    %%mm3, %%mm6        \n\t"\

  636.     MOVNTQ(%%mm6, 8(dst))\

  637. \

  638.     "pshufw $0xFF, %%mm2, %%mm1 \n\t" /* B7 B6 B7 B6  B7 B6 B6 B7 */\

  639.     "pshufw $0xFA, %%mm4, %%mm3 \n\t" /* 00 G7 00 G7  G6 G5 G6 G5 */\

  640.     "pshufw $0xFA, %%mm5, %%mm6 \n\t" /* R7 R6 R7 R6  R5 R4 R5 R4 */\

  641. \

  642.     "pand   %%mm7, %%mm1        \n\t" /*       B7        B6       */\

  643.     "pand   %%mm0, %%mm3        \n\t" /*    G7        G6       G5 */\

  644.     "pand "MANGLE(ff_M24B)", %%mm6 \n\t" /* R7       R6        R5    */\

  645. \

  646.     "por    %%mm1, %%mm3        \n\t"\

  647.     "por    %%mm3, %%mm6        \n\t"\

  648.     MOVNTQ(%%mm6, 16(dst))\

  649. \

  650.     "add      $24, "#dst"       \n\t"\

  651. \

  652.     "add       $8, "#index"     \n\t"\

  653.     "cmp  "#dstw", "#index"     \n\t"\

  654.     " jb       1b               \n\t"

  655. 

  656. #if COMPILE_TEMPLATE_MMXEXT

  657. #undef WRITEBGR24

  658. #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMXEXT(dst, dstw, index)

  659. #else

  660. #undef WRITEBGR24

  661. #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX(dst, dstw, index)

  662. #endif

  663. 

  664. static void RENAME(yuv2bgr24_X_ar)(SwsContext *c, const int16_t *lumFilter,

  665.                                    const int16_t **lumSrc, int lumFilterSize,

  666.                                    const int16_t *chrFilter, const int16_t **chrUSrc,

  667.                                    const int16_t **chrVSrc,

  668.                                    int chrFilterSize, const int16_t **alpSrc,

  669.                                    uint8_t *dest, int dstW, int dstY)

  670. {

  671.     x86_reg dummy=0;

  672.     x86_reg dstW_reg = dstW;

  673.     x86_reg uv_off = c->uv_offx2;

  674. 

  675.     YSCALEYUV2PACKEDX_ACCURATE

  676.     YSCALEYUV2RGBX

  677.     "pxor %%mm7, %%mm7 \n\t"

  678.     "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize

  679.     "add %4, %%"REG_c"                        \n\t"

  680.     WRITEBGR24(%%REGc, %5, %%REGa)

  681.     :: "r" (&c->redDither),

  682.        "m" (dummy), "m" (dummy), "m" (dummy),

  683.        "r" (dest), "m" (dstW_reg), "m"(uv_off)

  684.        NAMED_CONSTRAINTS_ADD(ff_M24A,ff_M24C,ff_M24B)

  685.     : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S

  686.     );

  687. }

  688. 

  689. static void RENAME(yuv2bgr24_X)(SwsContext *c, const int16_t *lumFilter,

  690.                                 const int16_t **lumSrc, int lumFilterSize,

  691.                                 const int16_t *chrFilter, const int16_t **chrUSrc,

  692.                                 const int16_t **chrVSrc,

  693.                                 int chrFilterSize, const int16_t **alpSrc,

  694.                                 uint8_t *dest, int dstW, int dstY)

  695. {

  696.     x86_reg dummy=0;

  697.     x86_reg dstW_reg = dstW;

  698.     x86_reg uv_off = c->uv_offx2;

  699. 

  700.     YSCALEYUV2PACKEDX

  701.     YSCALEYUV2RGBX

  702.     "pxor                    %%mm7, %%mm7       \n\t"

  703.     "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"   \n\t" //FIXME optimize

  704.     "add                        %4, %%"REG_c"   \n\t"

  705.     WRITEBGR24(%%REGc, %5, %%REGa)

  706.     :: "r" (&c->redDither),

  707.        "m" (dummy), "m" (dummy), "m" (dummy),

  708.        "r" (dest),  "m" (dstW_reg), "m"(uv_off)

  709.        NAMED_CONSTRAINTS_ADD(ff_M24A,ff_M24C,ff_M24B)

  710.     : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S

  711.     );

  712. }

  713. 

  714. #define REAL_WRITEYUY2(dst, dstw, index) \

  715.     "packuswb  %%mm3, %%mm3     \n\t"\

  716.     "packuswb  %%mm4, %%mm4     \n\t"\

  717.     "packuswb  %%mm7, %%mm1     \n\t"\

  718.     "punpcklbw %%mm4, %%mm3     \n\t"\

  719.     "movq      %%mm1, %%mm7     \n\t"\

  720.     "punpcklbw %%mm3, %%mm1     \n\t"\

  721.     "punpckhbw %%mm3, %%mm7     \n\t"\

  722. \

  723.     MOVNTQ(%%mm1, (dst, index, 2))\

  724.     MOVNTQ(%%mm7, 8(dst, index, 2))\

  725. \

  726.     "add          $8, "#index"  \n\t"\

  727.     "cmp     "#dstw", "#index"  \n\t"\

  728.     " jb          1b            \n\t"

  729. #define WRITEYUY2(dst, dstw, index)  REAL_WRITEYUY2(dst, dstw, index)

  730. 

  731. static void RENAME(yuv2yuyv422_X_ar)(SwsContext *c, const int16_t *lumFilter,

  732.                                      const int16_t **lumSrc, int lumFilterSize,

  733.                                      const int16_t *chrFilter, const int16_t **chrUSrc,

  734.                                      const int16_t **chrVSrc,

  735.                                      int chrFilterSize, const int16_t **alpSrc,

  736.                                      uint8_t *dest, int dstW, int dstY)

  737. {

  738.     x86_reg dummy=0;

  739.     x86_reg dstW_reg = dstW;

  740.     x86_reg uv_off = c->uv_offx2;

  741. 

  742.     YSCALEYUV2PACKEDX_ACCURATE

  743.     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  744.     "psraw $3, %%mm3    \n\t"

  745.     "psraw $3, %%mm4    \n\t"

  746.     "psraw $3, %%mm1    \n\t"

  747.     "psraw $3, %%mm7    \n\t"

  748.     WRITEYUY2(%4, %5, %%REGa)

  749.     YSCALEYUV2PACKEDX_END

  750. }

  751. 

  752. static void RENAME(yuv2yuyv422_X)(SwsContext *c, const int16_t *lumFilter,

  753.                                   const int16_t **lumSrc, int lumFilterSize,

  754.                                   const int16_t *chrFilter, const int16_t **chrUSrc,

  755.                                   const int16_t **chrVSrc,

  756.                                   int chrFilterSize, const int16_t **alpSrc,

  757.                                   uint8_t *dest, int dstW, int dstY)

  758. {

  759.     x86_reg dummy=0;

  760.     x86_reg dstW_reg = dstW;

  761.     x86_reg uv_off = c->uv_offx2;

  762. 

  763.     YSCALEYUV2PACKEDX

  764.     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  765.     "psraw $3, %%mm3    \n\t"

  766.     "psraw $3, %%mm4    \n\t"

  767.     "psraw $3, %%mm1    \n\t"

  768.     "psraw $3, %%mm7    \n\t"

  769.     WRITEYUY2(%4, %5, %%REGa)

  770.     YSCALEYUV2PACKEDX_END

  771. }

  772. 

  773. #define REAL_YSCALEYUV2RGB_UV(index, c) \

  774.     "xor            "#index", "#index"  \n\t"\

  775.     ".p2align              4            \n\t"\

  776.     "1:                                 \n\t"\

  777.     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\

  778.     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\

  779.     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \

  780.     "movq     (%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\

  781.     "movq     (%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\

  782.     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \

  783.     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\

  784.     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\

  785.     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\

  786.     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\

  787.     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\

  788.     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\

  789.     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\

  790.     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\

  791.     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\

  792.     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\

  793.     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\

  794.     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\

  795.     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\

  796.     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\

  797.     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\

  798.     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\

  799. 

  800. #define REAL_YSCALEYUV2RGB_YA(index, c, b1, b2) \

  801.     "movq  ("#b1", "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\

  802.     "movq  ("#b2", "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\

  803.     "movq 8("#b1", "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\

  804.     "movq 8("#b2", "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\

  805.     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\

  806.     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\

  807.     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\

  808.     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\

  809.     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\

  810.     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\

  811.     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\

  812.     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\

  813. 

  814. #define REAL_YSCALEYUV2RGB_COEFF(c) \

  815.     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\

  816.     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\

  817.     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\

  818.     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\

  819.     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\

  820.     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\

  821.     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\

  822.     "paddw             %%mm3, %%mm4     \n\t"\

  823.     "movq              %%mm2, %%mm0     \n\t"\

  824.     "movq              %%mm5, %%mm6     \n\t"\

  825.     "movq              %%mm4, %%mm3     \n\t"\

  826.     "punpcklwd         %%mm2, %%mm2     \n\t"\

  827.     "punpcklwd         %%mm5, %%mm5     \n\t"\

  828.     "punpcklwd         %%mm4, %%mm4     \n\t"\

  829.     "paddw             %%mm1, %%mm2     \n\t"\

  830.     "paddw             %%mm1, %%mm5     \n\t"\

  831.     "paddw             %%mm1, %%mm4     \n\t"\

  832.     "punpckhwd         %%mm0, %%mm0     \n\t"\

  833.     "punpckhwd         %%mm6, %%mm6     \n\t"\

  834.     "punpckhwd         %%mm3, %%mm3     \n\t"\

  835.     "paddw             %%mm7, %%mm0     \n\t"\

  836.     "paddw             %%mm7, %%mm6     \n\t"\

  837.     "paddw             %%mm7, %%mm3     \n\t"\

  838.     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\

  839.     "packuswb          %%mm0, %%mm2     \n\t"\

  840.     "packuswb          %%mm6, %%mm5     \n\t"\

  841.     "packuswb          %%mm3, %%mm4     \n\t"\

  842. 

  843. #define YSCALEYUV2RGB_YA(index, c, b1, b2) REAL_YSCALEYUV2RGB_YA(index, c, b1, b2)

  844. 

  845. #define YSCALEYUV2RGB(index, c) \

  846.     REAL_YSCALEYUV2RGB_UV(index, c) \

  847.     REAL_YSCALEYUV2RGB_YA(index, c, %0, %1) \

  848.     REAL_YSCALEYUV2RGB_COEFF(c)

  849. 

  850. /**

  851.  * vertical bilinear scale YV12 to RGB

  852.  */

  853. static void RENAME(yuv2rgb32_2)(SwsContext *c, const int16_t *buf[2],

  854.                                 const int16_t *ubuf[2], const int16_t *vbuf[2],

  855.                                 const int16_t *abuf[2], uint8_t *dest,

  856.                                 int dstW, int yalpha, int uvalpha, int y)

  857. {

  858.     const int16_t *buf0  = buf[0],  *buf1  = buf[1],

  859.                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];

  860. 

  861.     if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {

  862.         const int16_t *abuf0 = abuf[0], *abuf1 = abuf[1];

  863. #if ARCH_X86_64

  864.         __asm__ volatile(

  865.             YSCALEYUV2RGB(%%r8, %5)

  866.             YSCALEYUV2RGB_YA(%%r8, %5, %6, %7)

  867.             "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/

  868.             "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/

  869.             "packuswb            %%mm7, %%mm1       \n\t"

  870.             WRITEBGR32(%4, 8280(%5), %%r8, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)

  871.             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "r" (dest),

  872.                "a" (&c->redDither),

  873.                "r" (abuf0), "r" (abuf1)

  874.             : "%r8"

  875.         );

  876. #else

  877.         c->u_temp=(intptr_t)abuf0;

  878.         c->v_temp=(intptr_t)abuf1;

  879.         __asm__ volatile(

  880.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  881.             "mov        %4, %%"REG_b"               \n\t"

  882.             "push %%"REG_BP"                        \n\t"

  883.             YSCALEYUV2RGB(%%REGBP, %5)

  884.             "push                   %0              \n\t"

  885.             "push                   %1              \n\t"

  886.             "mov          "U_TEMP"(%5), %0          \n\t"

  887.             "mov          "V_TEMP"(%5), %1          \n\t"

  888.             YSCALEYUV2RGB_YA(%%REGBP, %5, %0, %1)

  889.             "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/

  890.             "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/

  891.             "packuswb            %%mm7, %%mm1       \n\t"

  892.             "pop                    %1              \n\t"

  893.             "pop                    %0              \n\t"

  894.             WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)

  895.             "pop %%"REG_BP"                         \n\t"

  896.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  897.             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  898.                "a" (&c->redDither)

  899.         );

  900. #endif

  901.     } else {

  902.         __asm__ volatile(

  903.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  904.             "mov        %4, %%"REG_b"               \n\t"

  905.             "push %%"REG_BP"                        \n\t"

  906.             YSCALEYUV2RGB(%%REGBP, %5)

  907.             "pcmpeqd %%mm7, %%mm7                   \n\t"

  908.             WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)

  909.             "pop %%"REG_BP"                         \n\t"

  910.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  911.             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  912.                "a" (&c->redDither)

  913.         );

  914.     }

  915. }

  916. 

  917. static void RENAME(yuv2bgr24_2)(SwsContext *c, const int16_t *buf[2],

  918.                                 const int16_t *ubuf[2], const int16_t *vbuf[2],

  919.                                 const int16_t *abuf[2], uint8_t *dest,

  920.                                 int dstW, int yalpha, int uvalpha, int y)

  921. {

  922.     const int16_t *buf0  = buf[0],  *buf1  = buf[1],

  923.                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];

  924. 

  925.     //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(

  926.     __asm__ volatile(

  927.         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  928.         "mov        %4, %%"REG_b"               \n\t"

  929.         "push %%"REG_BP"                        \n\t"

  930.         YSCALEYUV2RGB(%%REGBP, %5)

  931.         "pxor    %%mm7, %%mm7                   \n\t"

  932.         WRITEBGR24(%%REGb, 8280(%5), %%REGBP)

  933.         "pop %%"REG_BP"                         \n\t"

  934.         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  935.         :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  936.            "a" (&c->redDither)

  937.            NAMED_CONSTRAINTS_ADD(ff_M24A,ff_M24C,ff_M24B)

  938.     );

  939. }

  940. 

  941. static void RENAME(yuv2rgb555_2)(SwsContext *c, const int16_t *buf[2],

  942.                                  const int16_t *ubuf[2], const int16_t *vbuf[2],

  943.                                  const int16_t *abuf[2], uint8_t *dest,

  944.                                  int dstW, int yalpha, int uvalpha, int y)

  945. {

  946.     const int16_t *buf0  = buf[0],  *buf1  = buf[1],

  947.                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];

  948. 

  949.     //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(

  950.     __asm__ volatile(

  951.         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  952.         "mov        %4, %%"REG_b"               \n\t"

  953.         "push %%"REG_BP"                        \n\t"

  954.         YSCALEYUV2RGB(%%REGBP, %5)

  955.         "pxor    %%mm7, %%mm7                   \n\t"

  956.         /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  957. #ifdef DITHER1XBPP

  958.         "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"

  959.         "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"

  960.         "paddusb "RED_DITHER"(%5), %%mm5      \n\t"

  961. #endif

  962.         WRITERGB15(%%REGb, 8280(%5), %%REGBP)

  963.         "pop %%"REG_BP"                         \n\t"

  964.         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  965.         :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  966.            "a" (&c->redDither)

  967.            NAMED_CONSTRAINTS_ADD(bF8)

  968.     );

  969. }

  970. 

  971. static void RENAME(yuv2rgb565_2)(SwsContext *c, const int16_t *buf[2],

  972.                                  const int16_t *ubuf[2], const int16_t *vbuf[2],

  973.                                  const int16_t *abuf[2], uint8_t *dest,

  974.                                  int dstW, int yalpha, int uvalpha, int y)

  975. {

  976.     const int16_t *buf0  = buf[0],  *buf1  = buf[1],

  977.                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];

  978. 

  979.     //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(

  980.     __asm__ volatile(

  981.         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  982.         "mov        %4, %%"REG_b"               \n\t"

  983.         "push %%"REG_BP"                        \n\t"

  984.         YSCALEYUV2RGB(%%REGBP, %5)

  985.         "pxor    %%mm7, %%mm7                   \n\t"

  986.         /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  987. #ifdef DITHER1XBPP

  988.         "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"

  989.         "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"

  990.         "paddusb "RED_DITHER"(%5), %%mm5      \n\t"

  991. #endif

  992.         WRITERGB16(%%REGb, 8280(%5), %%REGBP)

  993.         "pop %%"REG_BP"                         \n\t"

  994.         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  995.         :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  996.            "a" (&c->redDither)

  997.            NAMED_CONSTRAINTS_ADD(bF8,bFC)

  998.     );

  999. }

  1000. 

  1001. #define REAL_YSCALEYUV2PACKED(index, c) \

  1002.     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0              \n\t"\

  1003.     "movq "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm1              \n\t"\

  1004.     "psraw                $3, %%mm0                           \n\t"\

  1005.     "psraw                $3, %%mm1                           \n\t"\

  1006.     "movq              %%mm0, "CHR_MMX_FILTER_OFFSET"+8("#c") \n\t"\

  1007.     "movq              %%mm1, "LUM_MMX_FILTER_OFFSET"+8("#c") \n\t"\

  1008.     "xor            "#index", "#index"                        \n\t"\

  1009.     ".p2align              4            \n\t"\

  1010.     "1:                                 \n\t"\

  1011.     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\

  1012.     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\

  1013.     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \

  1014.     "movq     (%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\

  1015.     "movq     (%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\

  1016.     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \

  1017.     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\

  1018.     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\

  1019.     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\

  1020.     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\

  1021.     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\

  1022.     "psraw                $7, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\

  1023.     "psraw                $7, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\

  1024.     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\

  1025.     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\

  1026.     "movq  (%0, "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\

  1027.     "movq  (%1, "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\

  1028.     "movq 8(%0, "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\

  1029.     "movq 8(%1, "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\

  1030.     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\

  1031.     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\

  1032.     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\

  1033.     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\

  1034.     "psraw                $7, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\

  1035.     "psraw                $7, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\

  1036.     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\

  1037.     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\

  1038. 

  1039. #define YSCALEYUV2PACKED(index, c)  REAL_YSCALEYUV2PACKED(index, c)

  1040. 

  1041. static void RENAME(yuv2yuyv422_2)(SwsContext *c, const int16_t *buf[2],

  1042.                                   const int16_t *ubuf[2], const int16_t *vbuf[2],

  1043.                                   const int16_t *abuf[2], uint8_t *dest,

  1044.                                   int dstW, int yalpha, int uvalpha, int y)

  1045. {

  1046.     const int16_t *buf0  = buf[0],  *buf1  = buf[1],

  1047.                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];

  1048. 

  1049.     //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(

  1050.     __asm__ volatile(

  1051.         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1052.         "mov %4, %%"REG_b"                        \n\t"

  1053.         "push %%"REG_BP"                        \n\t"

  1054.         YSCALEYUV2PACKED(%%REGBP, %5)

  1055.         WRITEYUY2(%%REGb, 8280(%5), %%REGBP)

  1056.         "pop %%"REG_BP"                         \n\t"

  1057.         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1058.         :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  1059.            "a" (&c->redDither)

  1060.     );

  1061. }

  1062. 

  1063. #define REAL_YSCALEYUV2RGB1(index, c) \

  1064.     "xor            "#index", "#index"  \n\t"\

  1065.     ".p2align              4            \n\t"\

  1066.     "1:                                 \n\t"\

  1067.     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\

  1068.     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \

  1069.     "movq     (%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\

  1070.     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \

  1071.     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\

  1072.     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\

  1073.     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\

  1074.     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\

  1075.     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\

  1076.     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\

  1077.     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\

  1078.     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\

  1079.     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\

  1080.     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\

  1081.     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\

  1082.     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\

  1083.     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\

  1084.     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\

  1085.     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\

  1086.     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\

  1087.     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\

  1088.     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\

  1089.     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\

  1090.     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\

  1091.     "paddw             %%mm3, %%mm4     \n\t"\

  1092.     "movq              %%mm2, %%mm0     \n\t"\

  1093.     "movq              %%mm5, %%mm6     \n\t"\

  1094.     "movq              %%mm4, %%mm3     \n\t"\

  1095.     "punpcklwd         %%mm2, %%mm2     \n\t"\

  1096.     "punpcklwd         %%mm5, %%mm5     \n\t"\

  1097.     "punpcklwd         %%mm4, %%mm4     \n\t"\

  1098.     "paddw             %%mm1, %%mm2     \n\t"\

  1099.     "paddw             %%mm1, %%mm5     \n\t"\

  1100.     "paddw             %%mm1, %%mm4     \n\t"\

  1101.     "punpckhwd         %%mm0, %%mm0     \n\t"\

  1102.     "punpckhwd         %%mm6, %%mm6     \n\t"\

  1103.     "punpckhwd         %%mm3, %%mm3     \n\t"\

  1104.     "paddw             %%mm7, %%mm0     \n\t"\

  1105.     "paddw             %%mm7, %%mm6     \n\t"\

  1106.     "paddw             %%mm7, %%mm3     \n\t"\

  1107.     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\

  1108.     "packuswb          %%mm0, %%mm2     \n\t"\

  1109.     "packuswb          %%mm6, %%mm5     \n\t"\

  1110.     "packuswb          %%mm3, %%mm4     \n\t"\

  1111. 

  1112. #define YSCALEYUV2RGB1(index, c)  REAL_YSCALEYUV2RGB1(index, c)

  1113. 

  1114. // do vertical chrominance interpolation

  1115. #define REAL_YSCALEYUV2RGB1b(index, c) \

  1116.     "xor            "#index", "#index"  \n\t"\

  1117.     ".p2align              4            \n\t"\

  1118.     "1:                                 \n\t"\

  1119.     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\

  1120.     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\

  1121.     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \

  1122.     "movq     (%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\

  1123.     "movq     (%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\

  1124.     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \

  1125.     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\

  1126.     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\

  1127.     "psrlw                $5, %%mm3     \n\t" /*FIXME might overflow*/\

  1128.     "psrlw                $5, %%mm4     \n\t" /*FIXME might overflow*/\

  1129.     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\

  1130.     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\

  1131.     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\

  1132.     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\

  1133.     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\

  1134.     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\

  1135.     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\

  1136.     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\

  1137.     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\

  1138.     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\

  1139.     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\

  1140.     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\

  1141.     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\

  1142.     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\

  1143.     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\

  1144.     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\

  1145.     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\

  1146.     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\

  1147.     "paddw             %%mm3, %%mm4     \n\t"\

  1148.     "movq              %%mm2, %%mm0     \n\t"\

  1149.     "movq              %%mm5, %%mm6     \n\t"\

  1150.     "movq              %%mm4, %%mm3     \n\t"\

  1151.     "punpcklwd         %%mm2, %%mm2     \n\t"\

  1152.     "punpcklwd         %%mm5, %%mm5     \n\t"\

  1153.     "punpcklwd         %%mm4, %%mm4     \n\t"\

  1154.     "paddw             %%mm1, %%mm2     \n\t"\

  1155.     "paddw             %%mm1, %%mm5     \n\t"\

  1156.     "paddw             %%mm1, %%mm4     \n\t"\

  1157.     "punpckhwd         %%mm0, %%mm0     \n\t"\

  1158.     "punpckhwd         %%mm6, %%mm6     \n\t"\

  1159.     "punpckhwd         %%mm3, %%mm3     \n\t"\

  1160.     "paddw             %%mm7, %%mm0     \n\t"\

  1161.     "paddw             %%mm7, %%mm6     \n\t"\

  1162.     "paddw             %%mm7, %%mm3     \n\t"\

  1163.     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\

  1164.     "packuswb          %%mm0, %%mm2     \n\t"\

  1165.     "packuswb          %%mm6, %%mm5     \n\t"\

  1166.     "packuswb          %%mm3, %%mm4     \n\t"\

  1167. 

  1168. #define YSCALEYUV2RGB1b(index, c)  REAL_YSCALEYUV2RGB1b(index, c)

  1169. 

  1170. #define REAL_YSCALEYUV2RGB1_ALPHA(index) \

  1171.     "movq  (%1, "#index", 2), %%mm7     \n\t" /* abuf0[index  ]     */\

  1172.     "movq 8(%1, "#index", 2), %%mm1     \n\t" /* abuf0[index+4]     */\

  1173.     "psraw                $7, %%mm7     \n\t" /* abuf0[index  ] >>7 */\

  1174.     "psraw                $7, %%mm1     \n\t" /* abuf0[index+4] >>7 */\

  1175.     "packuswb          %%mm1, %%mm7     \n\t"

  1176. #define YSCALEYUV2RGB1_ALPHA(index) REAL_YSCALEYUV2RGB1_ALPHA(index)

  1177. 

  1178. /**

  1179.  * YV12 to RGB without scaling or interpolating

  1180.  */

  1181. static void RENAME(yuv2rgb32_1)(SwsContext *c, const int16_t *buf0,

  1182.                                 const int16_t *ubuf[2], const int16_t *vbuf[2],

  1183.                                 const int16_t *abuf0, uint8_t *dest,

  1184.                                 int dstW, int uvalpha, int y)

  1185. {

  1186.     const int16_t *ubuf0 = ubuf[0];

  1187.     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1

  1188. 

  1189.     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster

  1190.         const int16_t *ubuf1 = ubuf[0];

  1191.         if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {

  1192.             __asm__ volatile(

  1193.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1194.                 "mov        %4, %%"REG_b"               \n\t"

  1195.                 "push %%"REG_BP"                        \n\t"

  1196.                 YSCALEYUV2RGB1(%%REGBP, %5)

  1197.                 YSCALEYUV2RGB1_ALPHA(%%REGBP)

  1198.                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)

  1199.                 "pop %%"REG_BP"                         \n\t"

  1200.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1201.                 :: "c" (buf0), "d" (abuf0), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  1202.                    "a" (&c->redDither)

  1203.             );

  1204.         } else {

  1205.             __asm__ volatile(

  1206.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1207.                 "mov        %4, %%"REG_b"               \n\t"

  1208.                 "push %%"REG_BP"                        \n\t"

  1209.                 YSCALEYUV2RGB1(%%REGBP, %5)

  1210.                 "pcmpeqd %%mm7, %%mm7                   \n\t"

  1211.                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)

  1212.                 "pop %%"REG_BP"                         \n\t"

  1213.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1214.                 :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  1215.                    "a" (&c->redDither)

  1216.             );

  1217.         }

  1218.     } else {

  1219.         const int16_t *ubuf1 = ubuf[1];

  1220.         if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {

  1221.             __asm__ volatile(

  1222.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1223.                 "mov        %4, %%"REG_b"               \n\t"

  1224.                 "push %%"REG_BP"                        \n\t"

  1225.                 YSCALEYUV2RGB1b(%%REGBP, %5)

  1226.                 YSCALEYUV2RGB1_ALPHA(%%REGBP)

  1227.                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)

  1228.                 "pop %%"REG_BP"                         \n\t"

  1229.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1230.                 :: "c" (buf0), "d" (abuf0), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  1231.                    "a" (&c->redDither)

  1232.             );

  1233.         } else {

  1234.             __asm__ volatile(

  1235.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1236.                 "mov        %4, %%"REG_b"               \n\t"

  1237.                 "push %%"REG_BP"                        \n\t"

  1238.                 YSCALEYUV2RGB1b(%%REGBP, %5)

  1239.                 "pcmpeqd %%mm7, %%mm7                   \n\t"

  1240.                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)

  1241.                 "pop %%"REG_BP"                         \n\t"

  1242.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1243.                 :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  1244.                    "a" (&c->redDither)

  1245.             );

  1246.         }

  1247.     }

  1248. }

  1249. 

  1250. static void RENAME(yuv2bgr24_1)(SwsContext *c, const int16_t *buf0,

  1251.                                 const int16_t *ubuf[2], const int16_t *vbuf[2],

  1252.                                 const int16_t *abuf0, uint8_t *dest,

  1253.                                 int dstW, int uvalpha, int y)

  1254. {

  1255.     const int16_t *ubuf0 = ubuf[0];

  1256.     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1

  1257. 

  1258.     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster

  1259.         const int16_t *ubuf1 = ubuf[0];

  1260.         __asm__ volatile(

  1261.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1262.             "mov        %4, %%"REG_b"               \n\t"

  1263.             "push %%"REG_BP"                        \n\t"

  1264.             YSCALEYUV2RGB1(%%REGBP, %5)

  1265.             "pxor    %%mm7, %%mm7                   \n\t"

  1266.             WRITEBGR24(%%REGb, 8280(%5), %%REGBP)

  1267.             "pop %%"REG_BP"                         \n\t"

  1268.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1269.             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  1270.                "a" (&c->redDither)

  1271.                NAMED_CONSTRAINTS_ADD(ff_M24A,ff_M24C,ff_M24B)

  1272.         );

  1273.     } else {

  1274.         const int16_t *ubuf1 = ubuf[1];

  1275.         __asm__ volatile(

  1276.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1277.             "mov        %4, %%"REG_b"               \n\t"

  1278.             "push %%"REG_BP"                        \n\t"

  1279.             YSCALEYUV2RGB1b(%%REGBP, %5)

  1280.             "pxor    %%mm7, %%mm7                   \n\t"

  1281.             WRITEBGR24(%%REGb, 8280(%5), %%REGBP)

  1282.             "pop %%"REG_BP"                         \n\t"

  1283.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1284.             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  1285.                "a" (&c->redDither)

  1286.                NAMED_CONSTRAINTS_ADD(ff_M24A,ff_M24C,ff_M24B)

  1287.         );

  1288.     }

  1289. }

  1290. 

  1291. static void RENAME(yuv2rgb555_1)(SwsContext *c, const int16_t *buf0,

  1292.                                  const int16_t *ubuf[2], const int16_t *vbuf[2],

  1293.                                  const int16_t *abuf0, uint8_t *dest,

  1294.                                  int dstW, int uvalpha, int y)

  1295. {

  1296.     const int16_t *ubuf0 = ubuf[0];

  1297.     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1

  1298. 

  1299.     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster

  1300.         const int16_t *ubuf1 = ubuf[0];

  1301.         __asm__ volatile(

  1302.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1303.             "mov        %4, %%"REG_b"               \n\t"

  1304.             "push %%"REG_BP"                        \n\t"

  1305.             YSCALEYUV2RGB1(%%REGBP, %5)

  1306.             "pxor    %%mm7, %%mm7                   \n\t"

  1307.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1308. #ifdef DITHER1XBPP

  1309.             "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"

  1310.             "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"

  1311.             "paddusb "RED_DITHER"(%5), %%mm5      \n\t"

  1312. #endif

  1313.             WRITERGB15(%%REGb, 8280(%5), %%REGBP)

  1314.             "pop %%"REG_BP"                         \n\t"

  1315.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1316.             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  1317.                "a" (&c->redDither)

  1318.                NAMED_CONSTRAINTS_ADD(bF8)

  1319.         );

  1320.     } else {

  1321.         const int16_t *ubuf1 = ubuf[1];

  1322.         __asm__ volatile(

  1323.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1324.             "mov        %4, %%"REG_b"               \n\t"

  1325.             "push %%"REG_BP"                        \n\t"

  1326.             YSCALEYUV2RGB1b(%%REGBP, %5)

  1327.             "pxor    %%mm7, %%mm7                   \n\t"

  1328.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1329. #ifdef DITHER1XBPP

  1330.             "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"

  1331.             "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"

  1332.             "paddusb "RED_DITHER"(%5), %%mm5      \n\t"

  1333. #endif

  1334.             WRITERGB15(%%REGb, 8280(%5), %%REGBP)

  1335.             "pop %%"REG_BP"                         \n\t"

  1336.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1337.             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  1338.                "a" (&c->redDither)

  1339.                NAMED_CONSTRAINTS_ADD(bF8)

  1340.         );

  1341.     }

  1342. }

  1343. 

  1344. static void RENAME(yuv2rgb565_1)(SwsContext *c, const int16_t *buf0,

  1345.                                  const int16_t *ubuf[2], const int16_t *vbuf[2],

  1346.                                  const int16_t *abuf0, uint8_t *dest,

  1347.                                  int dstW, int uvalpha, int y)

  1348. {

  1349.     const int16_t *ubuf0 = ubuf[0];

  1350.     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1

  1351. 

  1352.     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster

  1353.         const int16_t *ubuf1 = ubuf[0];

  1354.         __asm__ volatile(

  1355.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1356.             "mov        %4, %%"REG_b"               \n\t"

  1357.             "push %%"REG_BP"                        \n\t"

  1358.             YSCALEYUV2RGB1(%%REGBP, %5)

  1359.             "pxor    %%mm7, %%mm7                   \n\t"

  1360.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1361. #ifdef DITHER1XBPP

  1362.             "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"

  1363.             "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"

  1364.             "paddusb "RED_DITHER"(%5), %%mm5      \n\t"

  1365. #endif

  1366.             WRITERGB16(%%REGb, 8280(%5), %%REGBP)

  1367.             "pop %%"REG_BP"                         \n\t"

  1368.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1369.             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  1370.                "a" (&c->redDither)

  1371.                NAMED_CONSTRAINTS_ADD(bF8,bFC)

  1372.         );

  1373.     } else {

  1374.         const int16_t *ubuf1 = ubuf[1];

  1375.         __asm__ volatile(

  1376.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1377.             "mov        %4, %%"REG_b"               \n\t"

  1378.             "push %%"REG_BP"                        \n\t"

  1379.             YSCALEYUV2RGB1b(%%REGBP, %5)

  1380.             "pxor    %%mm7, %%mm7                   \n\t"

  1381.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1382. #ifdef DITHER1XBPP

  1383.             "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"

  1384.             "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"

  1385.             "paddusb "RED_DITHER"(%5), %%mm5      \n\t"

  1386. #endif

  1387.             WRITERGB16(%%REGb, 8280(%5), %%REGBP)

  1388.             "pop %%"REG_BP"                         \n\t"

  1389.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1390.             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  1391.                "a" (&c->redDither)

  1392.                NAMED_CONSTRAINTS_ADD(bF8,bFC)

  1393.         );

  1394.     }

  1395. }

  1396. 

  1397. #define REAL_YSCALEYUV2PACKED1(index, c) \

  1398.     "xor            "#index", "#index"  \n\t"\

  1399.     ".p2align              4            \n\t"\

  1400.     "1:                                 \n\t"\

  1401.     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\

  1402.     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \

  1403.     "movq     (%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\

  1404.     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \

  1405.     "psraw                $7, %%mm3     \n\t" \

  1406.     "psraw                $7, %%mm4     \n\t" \

  1407.     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\

  1408.     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\

  1409.     "psraw                $7, %%mm1     \n\t" \

  1410.     "psraw                $7, %%mm7     \n\t" \

  1411. 

  1412. #define YSCALEYUV2PACKED1(index, c)  REAL_YSCALEYUV2PACKED1(index, c)

  1413. 

  1414. #define REAL_YSCALEYUV2PACKED1b(index, c) \

  1415.     "xor "#index", "#index"             \n\t"\

  1416.     ".p2align              4            \n\t"\

  1417.     "1:                                 \n\t"\

  1418.     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\

  1419.     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\

  1420.     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \

  1421.     "movq     (%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\

  1422.     "movq     (%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\

  1423.     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \

  1424.     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\

  1425.     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\

  1426.     "psrlw                $8, %%mm3     \n\t" \

  1427.     "psrlw                $8, %%mm4     \n\t" \

  1428.     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\

  1429.     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\

  1430.     "psraw                $7, %%mm1     \n\t" \

  1431.     "psraw                $7, %%mm7     \n\t"

  1432. #define YSCALEYUV2PACKED1b(index, c)  REAL_YSCALEYUV2PACKED1b(index, c)

  1433. 

  1434. static void RENAME(yuv2yuyv422_1)(SwsContext *c, const int16_t *buf0,

  1435.                                   const int16_t *ubuf[2], const int16_t *vbuf[2],

  1436.                                   const int16_t *abuf0, uint8_t *dest,

  1437.                                   int dstW, int uvalpha, int y)

  1438. {

  1439.     const int16_t *ubuf0 = ubuf[0];

  1440.     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1

  1441. 

  1442.     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster

  1443.         const int16_t *ubuf1 = ubuf[0];

  1444.         __asm__ volatile(

  1445.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1446.             "mov        %4, %%"REG_b"               \n\t"

  1447.             "push %%"REG_BP"                        \n\t"

  1448.             YSCALEYUV2PACKED1(%%REGBP, %5)

  1449.             WRITEYUY2(%%REGb, 8280(%5), %%REGBP)

  1450.             "pop %%"REG_BP"                         \n\t"

  1451.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1452.             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  1453.                "a" (&c->redDither)

  1454.         );

  1455.     } else {

  1456.         const int16_t *ubuf1 = ubuf[1];

  1457.         __asm__ volatile(

  1458.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1459.             "mov        %4, %%"REG_b"               \n\t"

  1460.             "push %%"REG_BP"                        \n\t"

  1461.             YSCALEYUV2PACKED1b(%%REGBP, %5)

  1462.             WRITEYUY2(%%REGb, 8280(%5), %%REGBP)

  1463.             "pop %%"REG_BP"                         \n\t"

  1464.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1465.             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),

  1466.                "a" (&c->redDither)

  1467.         );

  1468.     }

  1469. }

  1470. 

  1471. #if COMPILE_TEMPLATE_MMXEXT

  1472. static void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,

  1473.                                  int dstWidth, const uint8_t *src,

  1474.                                  int srcW, int xInc)

  1475. {

  1476.     int32_t *filterPos = c->hLumFilterPos;

  1477.     int16_t *filter    = c->hLumFilter;

  1478.     void    *mmxextFilterCode = c->lumMmxextFilterCode;

  1479.     int i;

  1480. #if defined(PIC)

  1481.     uint64_t ebxsave;

  1482. #endif

  1483. #if ARCH_X86_64

  1484.     uint64_t retsave;

  1485. #endif

  1486. 

  1487.     __asm__ volatile(

  1488. #if defined(PIC)

  1489.         "mov               %%"REG_b", %5        \n\t"

  1490. #if ARCH_X86_64

  1491.         "mov               -8(%%rsp), %%"REG_a" \n\t"

  1492.         "mov               %%"REG_a", %6        \n\t"

  1493. #endif

  1494. #else

  1495. #if ARCH_X86_64

  1496.         "mov               -8(%%rsp), %%"REG_a" \n\t"

  1497.         "mov               %%"REG_a", %5        \n\t"

  1498. #endif

  1499. #endif

  1500.         "pxor                  %%mm7, %%mm7     \n\t"

  1501.         "mov                      %0, %%"REG_c" \n\t"

  1502.         "mov                      %1, %%"REG_D" \n\t"

  1503.         "mov                      %2, %%"REG_d" \n\t"

  1504.         "mov                      %3, %%"REG_b" \n\t"

  1505.         "xor               %%"REG_a", %%"REG_a" \n\t" // i

  1506.         PREFETCH"        (%%"REG_c")            \n\t"

  1507.         PREFETCH"      32(%%"REG_c")            \n\t"

  1508.         PREFETCH"      64(%%"REG_c")            \n\t"

  1509. 

  1510. #if ARCH_X86_64

  1511. #define CALL_MMXEXT_FILTER_CODE \

  1512.         "movl            (%%"REG_b"), %%esi     \n\t"\

  1513.         "call                    *%4            \n\t"\

  1514.         "movl (%%"REG_b", %%"REG_a"), %%esi     \n\t"\

  1515.         "add               %%"REG_S", %%"REG_c" \n\t"\

  1516.         "add               %%"REG_a", %%"REG_D" \n\t"\

  1517.         "xor               %%"REG_a", %%"REG_a" \n\t"\

  1518. 

  1519. #else

  1520. #define CALL_MMXEXT_FILTER_CODE \

  1521.         "movl (%%"REG_b"), %%esi        \n\t"\

  1522.         "call         *%4                       \n\t"\

  1523.         "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\

  1524.         "add               %%"REG_a", %%"REG_D" \n\t"\

  1525.         "xor               %%"REG_a", %%"REG_a" \n\t"\

  1526. 

  1527. #endif /* ARCH_X86_64 */

  1528. 

  1529.         CALL_MMXEXT_FILTER_CODE

  1530.         CALL_MMXEXT_FILTER_CODE

  1531.         CALL_MMXEXT_FILTER_CODE

  1532.         CALL_MMXEXT_FILTER_CODE

  1533.         CALL_MMXEXT_FILTER_CODE

  1534.         CALL_MMXEXT_FILTER_CODE

  1535.         CALL_MMXEXT_FILTER_CODE

  1536.         CALL_MMXEXT_FILTER_CODE

  1537. 

  1538. #if defined(PIC)

  1539.         "mov                      %5, %%"REG_b" \n\t"

  1540. #if ARCH_X86_64

  1541.         "mov                      %6, %%"REG_a" \n\t"

  1542.         "mov               %%"REG_a", -8(%%rsp) \n\t"

  1543. #endif

  1544. #else

  1545. #if ARCH_X86_64

  1546.         "mov                      %5, %%"REG_a" \n\t"

  1547.         "mov               %%"REG_a", -8(%%rsp) \n\t"

  1548. #endif

  1549. #endif

  1550.         :: "m" (src), "m" (dst), "m" (filter), "m" (filterPos),

  1551.            "m" (mmxextFilterCode)

  1552. #if defined(PIC)

  1553.           ,"m" (ebxsave)

  1554. #endif

  1555. #if ARCH_X86_64

  1556.           ,"m"(retsave)

  1557. #endif

  1558.         : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D

  1559. #if !defined(PIC)

  1560.          ,"%"REG_b

  1561. #endif

  1562.     );

  1563. 

  1564.     for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)

  1565.         dst[i] = src[srcW-1]*128;

  1566. }

  1567. 

  1568. static void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst1, int16_t *dst2,

  1569.                                  int dstWidth, const uint8_t *src1,

  1570.                                  const uint8_t *src2, int srcW, int xInc)

  1571. {

  1572.     int32_t *filterPos = c->hChrFilterPos;

  1573.     int16_t *filter    = c->hChrFilter;

  1574.     void    *mmxextFilterCode = c->chrMmxextFilterCode;

  1575.     int i;

  1576. #if defined(PIC)

  1577.     DECLARE_ALIGNED(8, uint64_t, ebxsave);

  1578. #endif

  1579. #if ARCH_X86_64

  1580.     DECLARE_ALIGNED(8, uint64_t, retsave);

  1581. #endif

  1582. 

  1583.     __asm__ volatile(

  1584. #if defined(PIC)

  1585.         "mov          %%"REG_b", %7         \n\t"

  1586. #if ARCH_X86_64

  1587.         "mov          -8(%%rsp), %%"REG_a"  \n\t"

  1588.         "mov          %%"REG_a", %8         \n\t"

  1589. #endif

  1590. #else

  1591. #if ARCH_X86_64

  1592.         "mov          -8(%%rsp), %%"REG_a"  \n\t"

  1593.         "mov          %%"REG_a", %7         \n\t"

  1594. #endif

  1595. #endif

  1596.         "pxor             %%mm7, %%mm7      \n\t"

  1597.         "mov                 %0, %%"REG_c"  \n\t"

  1598.         "mov                 %1, %%"REG_D"  \n\t"

  1599.         "mov                 %2, %%"REG_d"  \n\t"

  1600.         "mov                 %3, %%"REG_b"  \n\t"

  1601.         "xor          %%"REG_a", %%"REG_a"  \n\t" // i

  1602.         PREFETCH"   (%%"REG_c")             \n\t"

  1603.         PREFETCH" 32(%%"REG_c")             \n\t"

  1604.         PREFETCH" 64(%%"REG_c")             \n\t"

  1605. 

  1606.         CALL_MMXEXT_FILTER_CODE

  1607.         CALL_MMXEXT_FILTER_CODE

  1608.         CALL_MMXEXT_FILTER_CODE

  1609.         CALL_MMXEXT_FILTER_CODE

  1610.         "xor          %%"REG_a", %%"REG_a"  \n\t" // i

  1611.         "mov                 %5, %%"REG_c"  \n\t" // src

  1612.         "mov                 %6, %%"REG_D"  \n\t" // buf2

  1613.         PREFETCH"   (%%"REG_c")             \n\t"

  1614.         PREFETCH" 32(%%"REG_c")             \n\t"

  1615.         PREFETCH" 64(%%"REG_c")             \n\t"

  1616. 

  1617.         CALL_MMXEXT_FILTER_CODE

  1618.         CALL_MMXEXT_FILTER_CODE

  1619.         CALL_MMXEXT_FILTER_CODE

  1620.         CALL_MMXEXT_FILTER_CODE

  1621. 

  1622. #if defined(PIC)

  1623.         "mov %7, %%"REG_b"    \n\t"

  1624. #if ARCH_X86_64

  1625.         "mov                 %8, %%"REG_a"  \n\t"

  1626.         "mov          %%"REG_a", -8(%%rsp)  \n\t"

  1627. #endif

  1628. #else

  1629. #if ARCH_X86_64

  1630.         "mov                 %7, %%"REG_a"  \n\t"

  1631.         "mov          %%"REG_a", -8(%%rsp)  \n\t"

  1632. #endif

  1633. #endif

  1634.         :: "m" (src1), "m" (dst1), "m" (filter), "m" (filterPos),

  1635.            "m" (mmxextFilterCode), "m" (src2), "m"(dst2)

  1636. #if defined(PIC)

  1637.           ,"m" (ebxsave)

  1638. #endif

  1639. #if ARCH_X86_64

  1640.           ,"m"(retsave)

  1641. #endif

  1642.         : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D

  1643. #if !defined(PIC)

  1644.          ,"%"REG_b

  1645. #endif

  1646.     );

  1647. 

  1648.     for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) {

  1649.         dst1[i] = src1[srcW-1]*128;

  1650.         dst2[i] = src2[srcW-1]*128;

  1651.     }

  1652. }

  1653. #endif /* COMPILE_TEMPLATE_MMXEXT */

  1654. 

  1655. static av_cold void RENAME(sws_init_swscale)(SwsContext *c)

  1656. {

  1657.     enum AVPixelFormat dstFormat = c->dstFormat;

  1658. 

  1659.     c->use_mmx_vfilter= 0;

  1660.     if (!is16BPS(dstFormat) && !is9_OR_10BPS(dstFormat) && dstFormat != AV_PIX_FMT_NV12

  1661.         && dstFormat != AV_PIX_FMT_NV21 && !(c->flags & SWS_BITEXACT)) {

  1662.             if (c->flags & SWS_ACCURATE_RND) {

  1663.                 if (!(c->flags & SWS_FULL_CHR_H_INT)) {

  1664.                     switch (c->dstFormat) {

  1665.                     case AV_PIX_FMT_RGB32:   c->yuv2packedX = RENAME(yuv2rgb32_X_ar);   break;

  1666.                     case AV_PIX_FMT_BGR24:   c->yuv2packedX = RENAME(yuv2bgr24_X_ar);   break;

  1667.                     case AV_PIX_FMT_RGB555:  c->yuv2packedX = RENAME(yuv2rgb555_X_ar);  break;

  1668.                     case AV_PIX_FMT_RGB565:  c->yuv2packedX = RENAME(yuv2rgb565_X_ar);  break;

  1669.                     case AV_PIX_FMT_YUYV422: c->yuv2packedX = RENAME(yuv2yuyv422_X_ar); break;

  1670.                     default: break;

  1671.                     }

  1672.                 }

  1673.             } else {

  1674.                 c->use_mmx_vfilter= 1;

  1675.                 c->yuv2planeX = RENAME(yuv2yuvX    );

  1676.                 if (!(c->flags & SWS_FULL_CHR_H_INT)) {

  1677.                     switch (c->dstFormat) {

  1678.                     case AV_PIX_FMT_RGB32:   c->yuv2packedX = RENAME(yuv2rgb32_X);   break;

  1679.                     case AV_PIX_FMT_BGR24:   c->yuv2packedX = RENAME(yuv2bgr24_X);   break;

  1680.                     case AV_PIX_FMT_RGB555:  c->yuv2packedX = RENAME(yuv2rgb555_X);  break;

  1681.                     case AV_PIX_FMT_RGB565:  c->yuv2packedX = RENAME(yuv2rgb565_X);  break;

  1682.                     case AV_PIX_FMT_YUYV422: c->yuv2packedX = RENAME(yuv2yuyv422_X); break;

  1683.                     default: break;

  1684.                     }

  1685.                 }

  1686.             }

  1687.         if (!(c->flags & SWS_FULL_CHR_H_INT)) {

  1688.             switch (c->dstFormat) {

  1689.             case AV_PIX_FMT_RGB32:

  1690.                 c->yuv2packed1 = RENAME(yuv2rgb32_1);

  1691.                 c->yuv2packed2 = RENAME(yuv2rgb32_2);

  1692.                 break;

  1693.             case AV_PIX_FMT_BGR24:

  1694.                 c->yuv2packed1 = RENAME(yuv2bgr24_1);

  1695.                 c->yuv2packed2 = RENAME(yuv2bgr24_2);

  1696.                 break;

  1697.             case AV_PIX_FMT_RGB555:

  1698.                 c->yuv2packed1 = RENAME(yuv2rgb555_1);

  1699.                 c->yuv2packed2 = RENAME(yuv2rgb555_2);

  1700.                 break;

  1701.             case AV_PIX_FMT_RGB565:

  1702.                 c->yuv2packed1 = RENAME(yuv2rgb565_1);

  1703.                 c->yuv2packed2 = RENAME(yuv2rgb565_2);

  1704.                 break;

  1705.             case AV_PIX_FMT_YUYV422:

  1706.                 c->yuv2packed1 = RENAME(yuv2yuyv422_1);

  1707.                 c->yuv2packed2 = RENAME(yuv2yuyv422_2);

  1708.                 break;

  1709.             default:

  1710.                 break;

  1711.             }

  1712.         }

  1713.     }

  1714. 

  1715.     if (c->srcBpc == 8 && c->dstBpc <= 14) {

  1716.     // Use the new MMX scaler if the MMXEXT one can't be used (it is faster than the x86 ASM one).

  1717. #if COMPILE_TEMPLATE_MMXEXT

  1718.     if (c->flags & SWS_FAST_BILINEAR && c->canMMXEXTBeUsed) {

  1719.         c->hyscale_fast = RENAME(hyscale_fast);

  1720.         c->hcscale_fast = RENAME(hcscale_fast);

  1721.     } else {

  1722. #endif /* COMPILE_TEMPLATE_MMXEXT */

  1723.         c->hyscale_fast = NULL;

  1724.         c->hcscale_fast = NULL;

  1725. #if COMPILE_TEMPLATE_MMXEXT

  1726.     }

  1727. #endif /* COMPILE_TEMPLATE_MMXEXT */

  1728.     }

  1729. }