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FFmpeg/libswscale/swscale_template.c

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  1. /*

  2.  * Copyright (C) 2001-2003 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 modify

  7.  * it under the terms of the GNU General Public License as published by

  8.  * the Free Software Foundation; either version 2 of the License, or

  9.  * (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

  14.  * GNU General Public License for more details.

  15.  *

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

  17.  * 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.  * The C code (not assembly, MMX, ...) of this file can be used

  21.  * under the LGPL license.

  22.  */

  23. 

  24. #undef REAL_MOVNTQ

  25. #undef MOVNTQ

  26. #undef PAVGB

  27. #undef PREFETCH

  28. #undef PREFETCHW

  29. #undef EMMS

  30. #undef SFENCE

  31. 

  32. #ifdef HAVE_3DNOW

  33. /* On K6 femms is faster than emms. On K7 femms is directly mapped on emms. */

  34. #define EMMS     "femms"

  35. #else

  36. #define EMMS     "emms"

  37. #endif

  38. 

  39. #ifdef HAVE_3DNOW

  40. #define PREFETCH  "prefetch"

  41. #define PREFETCHW "prefetchw"

  42. #elif defined (HAVE_MMX2)

  43. #define PREFETCH "prefetchnta"

  44. #define PREFETCHW "prefetcht0"

  45. #else

  46. #define PREFETCH  " # nop"

  47. #define PREFETCHW " # nop"

  48. #endif

  49. 

  50. #ifdef HAVE_MMX2

  51. #define SFENCE "sfence"

  52. #else

  53. #define SFENCE " # nop"

  54. #endif

  55. 

  56. #ifdef HAVE_MMX2

  57. #define PAVGB(a,b) "pavgb " #a ", " #b " \n\t"

  58. #elif defined (HAVE_3DNOW)

  59. #define PAVGB(a,b) "pavgusb " #a ", " #b " \n\t"

  60. #endif

  61. 

  62. #ifdef HAVE_MMX2

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

  64. #else

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

  66. #endif

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

  68. 

  69. #ifdef HAVE_ALTIVEC

  70. #include "swscale_altivec_template.c"

  71. #endif

  72. 

  73. #define YSCALEYUV2YV12X(x, offset, dest, width) \

  74.     asm volatile(\

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

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

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

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

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

  80.     ASMALIGN(4) /* FIXME Unroll? */\

  81.     "1:                                                 \n\t"\

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

  83.     "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\

  84.     "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm5      \n\t" /* srcData */\

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

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

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

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

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

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

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

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

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

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

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

  96.     MOVNTQ(%%mm3, (%1, %%REGa))\

  97.     "add                                 $8, %%"REG_a"  \n\t"\

  98.     "cmp                                 %2, %%"REG_a"  \n\t"\

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

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

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

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

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

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

  105.     "r" (dest), "g" (width)\

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

  107.     );

  108. 

  109. #define YSCALEYUV2YV12X_ACCURATE(x, offset, dest, width) \

  110.     asm volatile(\

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

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

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

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

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

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

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

  118.     ASMALIGN(4) \

  119.     "1:                                                 \n\t"\

  120.     "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm0      \n\t" /* srcData */\

  121.     "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\

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

  123.     "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm1      \n\t" /* srcData */\

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

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

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

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

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

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

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

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

  132.     "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm3      \n\t" /* srcData */\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  154.     "psraw                               $3, %%mm6      \n\t"\

  155.     "packuswb                         %%mm6, %%mm4      \n\t"\

  156.     MOVNTQ(%%mm4, (%1, %%REGa))\

  157.     "add                                 $8, %%"REG_a"  \n\t"\

  158.     "cmp                                 %2, %%"REG_a"  \n\t"\

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

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

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

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

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

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

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

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

  167.     "r" (dest), "g" (width)\

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

  169.     );

  170. 

  171. #define YSCALEYUV2YV121 \

  172.     "mov %2, %%"REG_a"                    \n\t"\

  173.     ASMALIGN(4) /* FIXME Unroll? */\

  174.     "1:                                   \n\t"\

  175.     "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\

  176.     "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\

  177.     "psraw                 $7, %%mm0      \n\t"\

  178.     "psraw                 $7, %%mm1      \n\t"\

  179.     "packuswb           %%mm1, %%mm0      \n\t"\

  180.     MOVNTQ(%%mm0, (%1, %%REGa))\

  181.     "add                   $8, %%"REG_a"  \n\t"\

  182.     "jnc                   1b             \n\t"

  183. 

  184. #define YSCALEYUV2YV121_ACCURATE \

  185.     "mov %2, %%"REG_a"                    \n\t"\

  186.     "pcmpeqw %%mm7, %%mm7                 \n\t"\

  187.     "psrlw                 $15, %%mm7     \n\t"\

  188.     "psllw                  $6, %%mm7     \n\t"\

  189.     ASMALIGN(4) /* FIXME Unroll? */\

  190.     "1:                                   \n\t"\

  191.     "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\

  192.     "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\

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

  194.     "paddw              %%mm7, %%mm1      \n\t"\

  195.     "psraw                 $7, %%mm0      \n\t"\

  196.     "psraw                 $7, %%mm1      \n\t"\

  197.     "packuswb           %%mm1, %%mm0      \n\t"\

  198.     MOVNTQ(%%mm0, (%1, %%REGa))\

  199.     "add                   $8, %%"REG_a"  \n\t"\

  200.     "jnc                   1b             \n\t"

  201. 

  202. /*

  203.     :: "m" (-lumFilterSize), "m" (-chrFilterSize),

  204.        "m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),

  205.        "r" (dest), "m" (dstW),

  206.        "m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)

  207.     : "%eax", "%ebx", "%ecx", "%edx", "%esi"

  208. */

  209. #define YSCALEYUV2PACKEDX \

  210.     asm volatile(\

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

  212.     ASMALIGN(4)\

  213.     "nop                                            \n\t"\

  214.     "1:                                             \n\t"\

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

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

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

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

  219.     ASMALIGN(4)\

  220.     "2:                                             \n\t"\

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

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

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

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

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

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

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

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

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

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

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

  232. \

  233.     "lea "LUM_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\

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

  235.     "movq      "VROUNDER_OFFSET"(%0), %%mm1         \n\t"\

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

  237.     ASMALIGN(4)\

  238.     "2:                                             \n\t"\

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

  240.     "movq  (%%"REG_S", %%"REG_a", 2), %%mm2         \n\t" /* Y1srcData */\

  241.     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm5         \n\t" /* Y2srcData */\

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

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

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

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

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

  247.     "paddw                     %%mm5, %%mm7         \n\t"\

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

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

  250. 

  251. #define YSCALEYUV2PACKEDX_END                 \

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

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

  254.         "r" (dest), "m" (dstW)                \

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

  256.     );

  257. 

  258. #define YSCALEYUV2PACKEDX_ACCURATE \

  259.     asm volatile(\

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

  261.     ASMALIGN(4)\

  262.     "nop                                            \n\t"\

  263.     "1:                                             \n\t"\

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

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

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

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

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

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

  270.     ASMALIGN(4)\

  271.     "2:                                             \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  307. \

  308.     "lea "LUM_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\

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

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

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

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

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

  314.     ASMALIGN(4)\

  315.     "2:                                             \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  351. 

  352. #define YSCALEYUV2RGBX \

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  388. #if 0

  389. #define FULL_YSCALEYUV2RGB \

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

  391.     "movd                    %6, %%mm6  \n\t" /*yalpha1*/\

  392.     "punpcklwd            %%mm6, %%mm6  \n\t"\

  393.     "punpcklwd            %%mm6, %%mm6  \n\t"\

  394.     "movd                    %7, %%mm5  \n\t" /*uvalpha1*/\

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

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

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

  398.     ASMALIGN(4)\

  399.     "1:                                 \n\t"\

  400.     "movq     (%0, %%"REG_a",2), %%mm0  \n\t" /*buf0[eax]*/\

  401.     "movq     (%1, %%"REG_a",2), %%mm1  \n\t" /*buf1[eax]*/\

  402.     "movq     (%2, %%"REG_a",2), %%mm2  \n\t" /* uvbuf0[eax]*/\

  403.     "movq     (%3, %%"REG_a",2), %%mm3  \n\t" /* uvbuf1[eax]*/\

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

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

  406.     "pmulhw               %%mm6, %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\

  407.     "pmulhw               %%mm5, %%mm2  \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\

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

  409.     "movq "AV_STRINGIFY(VOF)"(%2, %%"REG_a",2), %%mm4  \n\t" /* uvbuf0[eax+2048]*/\

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

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

  412.     "movq "AV_STRINGIFY(VOF)"(%3, %%"REG_a",2), %%mm0  \n\t" /* uvbuf1[eax+2048]*/\

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

  414.     "psubw                %%mm0, %%mm4  \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\

  415.     "psubw        "MANGLE(w80)", %%mm1  \n\t" /* 8(Y-16)*/\

  416.     "psubw       "MANGLE(w400)", %%mm3  \n\t" /* 8(U-128)*/\

  417.     "pmulhw    "MANGLE(yCoeff)", %%mm1  \n\t"\

  418. \

  419. \

  420.     "pmulhw               %%mm5, %%mm4  \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\

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

  422.     "pmulhw   "MANGLE(ubCoeff)", %%mm3  \n\t"\

  423.     "psraw                   $4, %%mm0  \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\

  424.     "pmulhw   "MANGLE(ugCoeff)", %%mm2  \n\t"\

  425.     "paddw                %%mm4, %%mm0  \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\

  426.     "psubw       "MANGLE(w400)", %%mm0  \n\t" /* (V-128)8*/\

  427. \

  428. \

  429.     "movq                 %%mm0, %%mm4  \n\t" /* (V-128)8*/\

  430.     "pmulhw   "MANGLE(vrCoeff)", %%mm0  \n\t"\

  431.     "pmulhw   "MANGLE(vgCoeff)", %%mm4  \n\t"\

  432.     "paddw                %%mm1, %%mm3  \n\t" /* B*/\

  433.     "paddw                %%mm1, %%mm0  \n\t" /* R*/\

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

  435. \

  436.     "packuswb             %%mm0, %%mm0  \n\t"\

  437.     "paddw                %%mm4, %%mm2  \n\t"\

  438.     "paddw                %%mm2, %%mm1  \n\t" /* G*/\

  439. \

  440.     "packuswb             %%mm1, %%mm1  \n\t"

  441. #endif

  442. 

  443. #define REAL_YSCALEYUV2PACKED(index, c) \

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

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

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

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

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

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

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

  451.     ASMALIGN(4)\

  452.     "1:                                 \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  478. 

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

  480. 

  481. #define REAL_YSCALEYUV2RGB(index, c) \

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

  483.     ASMALIGN(4)\

  484.     "1:                                 \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  545. #define YSCALEYUV2RGB(index, c)  REAL_YSCALEYUV2RGB(index, c)

  546. 

  547. #define REAL_YSCALEYUV2PACKED1(index, c) \

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

  549.     ASMALIGN(4)\

  550.     "1:                                 \n\t"\

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

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

  553.     "psraw                $7, %%mm3     \n\t" \

  554.     "psraw                $7, %%mm4     \n\t" \

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

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

  557.     "psraw                $7, %%mm1     \n\t" \

  558.     "psraw                $7, %%mm7     \n\t" \

  559. 

  560. #define YSCALEYUV2PACKED1(index, c)  REAL_YSCALEYUV2PACKED1(index, c)

  561. 

  562. #define REAL_YSCALEYUV2RGB1(index, c) \

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

  564.     ASMALIGN(4)\

  565.     "1:                                 \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  610. 

  611. #define REAL_YSCALEYUV2PACKED1b(index, c) \

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

  613.     ASMALIGN(4)\

  614.     "1:                                 \n\t"\

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

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

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

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

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

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

  621.     "psrlw                $8, %%mm3     \n\t" \

  622.     "psrlw                $8, %%mm4     \n\t" \

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

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

  625.     "psraw                $7, %%mm1     \n\t" \

  626.     "psraw                $7, %%mm7     \n\t"

  627. #define YSCALEYUV2PACKED1b(index, c)  REAL_YSCALEYUV2PACKED1b(index, c)

  628. 

  629. // do vertical chrominance interpolation

  630. #define REAL_YSCALEYUV2RGB1b(index, c) \

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

  632.     ASMALIGN(4)\

  633.     "1:                                 \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  682. 

  683. #define REAL_WRITEBGR32(dst, dstw, index) \

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

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

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

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

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

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

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

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

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

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

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

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

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

  697. \

  698.     MOVNTQ(%%mm0,   (dst, index, 4))\

  699.     MOVNTQ(%%mm2,  8(dst, index, 4))\

  700.     MOVNTQ(%%mm1, 16(dst, index, 4))\

  701.     MOVNTQ(%%mm3, 24(dst, index, 4))\

  702. \

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

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

  705.     " jb      1b                \n\t"

  706. #define WRITEBGR32(dst, dstw, index)  REAL_WRITEBGR32(dst, dstw, index)

  707. 

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

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

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

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

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

  713. \

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

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

  716. \

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

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

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

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

  721. \

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

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

  724. \

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

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

  727. \

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

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

  730. \

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

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

  733.     " jb             1b             \n\t"

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

  735. 

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

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

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

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

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

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

  742. \

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

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

  745. \

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

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

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

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

  750. \

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

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

  753. \

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

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

  756. \

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

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

  759. \

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

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

  762.     " jb             1b             \n\t"

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

  764. 

  765. #define WRITEBGR24OLD(dst, dstw, index) \

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

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

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

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

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

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

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

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

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

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

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

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

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

  779. \

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

  781.     "psrlq        $8, %%mm0             \n\t" /* 00RGB0RG 0 */\

  782.     "pand "MANGLE(bm00000111)", %%mm4   \n\t" /* 00000RGB 0 */\

  783.     "pand "MANGLE(bm11111000)", %%mm0   \n\t" /* 00RGB000 0.5 */\

  784.     "por       %%mm4, %%mm0             \n\t" /* 00RGBRGB 0 */\

  785.     "movq      %%mm2, %%mm4             \n\t" /* 0RGB0RGB 1 */\

  786.     "psllq       $48, %%mm2             \n\t" /* GB000000 1 */\

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

  788. \

  789.     "movq      %%mm4, %%mm2             \n\t" /* 0RGB0RGB 1 */\

  790.     "psrld       $16, %%mm4             \n\t" /* 000R000R 1 */\

  791.     "psrlq       $24, %%mm2             \n\t" /* 0000RGB0 1.5 */\

  792.     "por       %%mm4, %%mm2             \n\t" /* 000RRGBR 1 */\

  793.     "pand "MANGLE(bm00001111)", %%mm2   \n\t" /* 0000RGBR 1 */\

  794.     "movq      %%mm1, %%mm4             \n\t" /* 0RGB0RGB 2 */\

  795.     "psrlq        $8, %%mm1             \n\t" /* 00RGB0RG 2 */\

  796.     "pand "MANGLE(bm00000111)", %%mm4   \n\t" /* 00000RGB 2 */\

  797.     "pand "MANGLE(bm11111000)", %%mm1   \n\t" /* 00RGB000 2.5 */\

  798.     "por       %%mm4, %%mm1             \n\t" /* 00RGBRGB 2 */\

  799.     "movq      %%mm1, %%mm4             \n\t" /* 00RGBRGB 2 */\

  800.     "psllq       $32, %%mm1             \n\t" /* BRGB0000 2 */\

  801.     "por       %%mm1, %%mm2             \n\t" /* BRGBRGBR 1 */\

  802. \

  803.     "psrlq       $32, %%mm4             \n\t" /* 000000RG 2.5 */\

  804.     "movq      %%mm3, %%mm5             \n\t" /* 0RGB0RGB 3 */\

  805.     "psrlq        $8, %%mm3             \n\t" /* 00RGB0RG 3 */\

  806.     "pand "MANGLE(bm00000111)", %%mm5   \n\t" /* 00000RGB 3 */\

  807.     "pand "MANGLE(bm11111000)", %%mm3   \n\t" /* 00RGB000 3.5 */\

  808.     "por       %%mm5, %%mm3             \n\t" /* 00RGBRGB 3 */\

  809.     "psllq       $16, %%mm3             \n\t" /* RGBRGB00 3 */\

  810.     "por       %%mm4, %%mm3             \n\t" /* RGBRGBRG 2.5 */\

  811. \

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

  813.     MOVNTQ(%%mm2,  8(dst))\

  814.     MOVNTQ(%%mm3, 16(dst))\

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

  816. \

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

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

  819.     " jb          1b                    \n\t"

  820. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  835. \

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

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

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

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

  840. \

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

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

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

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

  845. \

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

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

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

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

  850. \

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

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

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

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

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

  856. \

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

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

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

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

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

  862. \

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

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

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

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

  867. \

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

  869. \

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

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

  872.     " jb          1b            \n\t"

  873. 

  874. #define WRITEBGR24MMX2(dst, dstw, index) \

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

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

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

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

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

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

  881. \

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

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

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

  885. \

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

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

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

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

  890. \

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

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

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

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

  895. \

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

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

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

  899. \

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

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

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

  903. \

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

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

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

  907. \

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

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

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

  911. \

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

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

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

  915. \

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

  917. \

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

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

  920.     " jb       1b               \n\t"

  921. 

  922. #ifdef HAVE_MMX2

  923. #undef WRITEBGR24

  924. #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX2(dst, dstw, index)

  925. #else

  926. #undef WRITEBGR24

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

  928. #endif

  929. 

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

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

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

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

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

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

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

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

  938. \

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

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

  941. \

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

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

  944.     " jb          1b            \n\t"

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

  946. 

  947. 

  948. static inline void RENAME(yuv2yuvX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,

  949.                                     int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,

  950.                                     uint8_t *dest, uint8_t *uDest, uint8_t *vDest, long dstW, long chrDstW)

  951. {

  952. #ifdef HAVE_MMX

  953.     if (c->flags & SWS_ACCURATE_RND){

  954.         if (uDest){

  955.             YSCALEYUV2YV12X_ACCURATE(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)

  956.             YSCALEYUV2YV12X_ACCURATE(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)

  957.         }

  958. 

  959.         YSCALEYUV2YV12X_ACCURATE("0", LUM_MMX_FILTER_OFFSET, dest, dstW)

  960.     }else{

  961.         if (uDest){

  962.             YSCALEYUV2YV12X(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)

  963.             YSCALEYUV2YV12X(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)

  964.         }

  965. 

  966.         YSCALEYUV2YV12X("0", LUM_MMX_FILTER_OFFSET, dest, dstW)

  967.     }

  968. #else

  969. #ifdef HAVE_ALTIVEC

  970. yuv2yuvX_altivec_real(lumFilter, lumSrc, lumFilterSize,

  971.                       chrFilter, chrSrc, chrFilterSize,

  972.                       dest, uDest, vDest, dstW, chrDstW);

  973. #else //HAVE_ALTIVEC

  974. yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,

  975.             chrFilter, chrSrc, chrFilterSize,

  976.             dest, uDest, vDest, dstW, chrDstW);

  977. #endif //!HAVE_ALTIVEC

  978. #endif /* HAVE_MMX */

  979. }

  980. 

  981. static inline void RENAME(yuv2nv12X)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,

  982.                                      int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,

  983.                                      uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)

  984. {

  985. yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize,

  986.              chrFilter, chrSrc, chrFilterSize,

  987.              dest, uDest, dstW, chrDstW, dstFormat);

  988. }

  989. 

  990. static inline void RENAME(yuv2yuv1)(SwsContext *c, int16_t *lumSrc, int16_t *chrSrc,

  991.                                     uint8_t *dest, uint8_t *uDest, uint8_t *vDest, long dstW, long chrDstW)

  992. {

  993. #ifdef HAVE_MMX

  994.     long p= uDest ? 3 : 1;

  995.     uint8_t *src[3]= {lumSrc + dstW, chrSrc + chrDstW, chrSrc + VOFW + chrDstW};

  996.     uint8_t *dst[3]= {dest, uDest, vDest};

  997.     long counter[3] = {dstW, chrDstW, chrDstW};

  998. 

  999.     if (c->flags & SWS_ACCURATE_RND){

  1000.         while(p--){

  1001.             asm volatile(

  1002.                 YSCALEYUV2YV121_ACCURATE

  1003.                 :: "r" (src[p]), "r" (dst[p] + counter[p]),

  1004.                 "g" (-counter[p])

  1005.                 : "%"REG_a

  1006.             );

  1007.         }

  1008.     }else{

  1009.         while(p--){

  1010.             asm volatile(

  1011.                 YSCALEYUV2YV121

  1012.                 :: "r" (src[p]), "r" (dst[p] + counter[p]),

  1013.                 "g" (-counter[p])

  1014.                 : "%"REG_a

  1015.             );

  1016.         }

  1017.     }

  1018. 

  1019. #else

  1020.     int i;

  1021.     for (i=0; i<dstW; i++)

  1022.     {

  1023.         int val= (lumSrc[i]+64)>>7;

  1024. 

  1025.         if (val&256){

  1026.             if (val<0) val=0;

  1027.             else       val=255;

  1028.         }

  1029. 

  1030.         dest[i]= val;

  1031.     }

  1032. 

  1033.     if (uDest)

  1034.         for (i=0; i<chrDstW; i++)

  1035.         {

  1036.             int u=(chrSrc[i       ]+64)>>7;

  1037.             int v=(chrSrc[i + VOFW]+64)>>7;

  1038. 

  1039.             if ((u|v)&256){

  1040.                 if (u<0)        u=0;

  1041.                 else if (u>255) u=255;

  1042.                 if (v<0)        v=0;

  1043.                 else if (v>255) v=255;

  1044.             }

  1045. 

  1046.             uDest[i]= u;

  1047.             vDest[i]= v;

  1048.         }

  1049. #endif

  1050. }

  1051. 

  1052. 

  1053. /**

  1054.  * vertical scale YV12 to RGB

  1055.  */

  1056. static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,

  1057.                                        int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,

  1058.                                        uint8_t *dest, long dstW, long dstY)

  1059. {

  1060. #ifdef HAVE_MMX

  1061.     long dummy=0;

  1062.     if (c->flags & SWS_ACCURATE_RND){

  1063.         switch(c->dstFormat){

  1064.         case PIX_FMT_RGB32:

  1065.             YSCALEYUV2PACKEDX_ACCURATE

  1066.             YSCALEYUV2RGBX

  1067.             WRITEBGR32(%4, %5, %%REGa)

  1068. 

  1069.             YSCALEYUV2PACKEDX_END

  1070.             return;

  1071.         case PIX_FMT_BGR24:

  1072.             YSCALEYUV2PACKEDX_ACCURATE

  1073.             YSCALEYUV2RGBX

  1074.             "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize

  1075.             "add %4, %%"REG_c"                        \n\t"

  1076.             WRITEBGR24(%%REGc, %5, %%REGa)

  1077. 

  1078. 

  1079.             :: "r" (&c->redDither),

  1080.                "m" (dummy), "m" (dummy), "m" (dummy),

  1081.                "r" (dest), "m" (dstW)

  1082.             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S

  1083.             );

  1084.             return;

  1085.         case PIX_FMT_RGB555:

  1086.             YSCALEYUV2PACKEDX_ACCURATE

  1087.             YSCALEYUV2RGBX

  1088.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1089. #ifdef DITHER1XBPP

  1090.             "paddusb "MANGLE(b5Dither)", %%mm2\n\t"

  1091.             "paddusb "MANGLE(g5Dither)", %%mm4\n\t"

  1092.             "paddusb "MANGLE(r5Dither)", %%mm5\n\t"

  1093. #endif

  1094. 

  1095.             WRITERGB15(%4, %5, %%REGa)

  1096.             YSCALEYUV2PACKEDX_END

  1097.             return;

  1098.         case PIX_FMT_RGB565:

  1099.             YSCALEYUV2PACKEDX_ACCURATE

  1100.             YSCALEYUV2RGBX

  1101.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1102. #ifdef DITHER1XBPP

  1103.             "paddusb "MANGLE(b5Dither)", %%mm2\n\t"

  1104.             "paddusb "MANGLE(g6Dither)", %%mm4\n\t"

  1105.             "paddusb "MANGLE(r5Dither)", %%mm5\n\t"

  1106. #endif

  1107. 

  1108.             WRITERGB16(%4, %5, %%REGa)

  1109.             YSCALEYUV2PACKEDX_END

  1110.             return;

  1111.         case PIX_FMT_YUYV422:

  1112.             YSCALEYUV2PACKEDX_ACCURATE

  1113.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1114. 

  1115.             "psraw $3, %%mm3    \n\t"

  1116.             "psraw $3, %%mm4    \n\t"

  1117.             "psraw $3, %%mm1    \n\t"

  1118.             "psraw $3, %%mm7    \n\t"

  1119.             WRITEYUY2(%4, %5, %%REGa)

  1120.             YSCALEYUV2PACKEDX_END

  1121.             return;

  1122.     }

  1123.     }else{

  1124.         switch(c->dstFormat)

  1125.         {

  1126.         case PIX_FMT_RGB32:

  1127.             YSCALEYUV2PACKEDX

  1128.             YSCALEYUV2RGBX

  1129.             WRITEBGR32(%4, %5, %%REGa)

  1130.             YSCALEYUV2PACKEDX_END

  1131.             return;

  1132.         case PIX_FMT_BGR24:

  1133.             YSCALEYUV2PACKEDX

  1134.             YSCALEYUV2RGBX

  1135.             "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"   \n\t" //FIXME optimize

  1136.             "add                        %4, %%"REG_c"   \n\t"

  1137.             WRITEBGR24(%%REGc, %5, %%REGa)

  1138. 

  1139.             :: "r" (&c->redDither),

  1140.                "m" (dummy), "m" (dummy), "m" (dummy),

  1141.                "r" (dest),  "m" (dstW)

  1142.             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S

  1143.             );

  1144.             return;

  1145.         case PIX_FMT_RGB555:

  1146.             YSCALEYUV2PACKEDX

  1147.             YSCALEYUV2RGBX

  1148.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1149. #ifdef DITHER1XBPP

  1150.             "paddusb "MANGLE(b5Dither)", %%mm2  \n\t"

  1151.             "paddusb "MANGLE(g5Dither)", %%mm4  \n\t"

  1152.             "paddusb "MANGLE(r5Dither)", %%mm5  \n\t"

  1153. #endif

  1154. 

  1155.             WRITERGB15(%4, %5, %%REGa)

  1156.             YSCALEYUV2PACKEDX_END

  1157.             return;

  1158.         case PIX_FMT_RGB565:

  1159.             YSCALEYUV2PACKEDX

  1160.             YSCALEYUV2RGBX

  1161.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1162. #ifdef DITHER1XBPP

  1163.             "paddusb "MANGLE(b5Dither)", %%mm2  \n\t"

  1164.             "paddusb "MANGLE(g6Dither)", %%mm4  \n\t"

  1165.             "paddusb "MANGLE(r5Dither)", %%mm5  \n\t"

  1166. #endif

  1167. 

  1168.             WRITERGB16(%4, %5, %%REGa)

  1169.             YSCALEYUV2PACKEDX_END

  1170.             return;

  1171.         case PIX_FMT_YUYV422:

  1172.             YSCALEYUV2PACKEDX

  1173.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1174. 

  1175.             "psraw $3, %%mm3    \n\t"

  1176.             "psraw $3, %%mm4    \n\t"

  1177.             "psraw $3, %%mm1    \n\t"

  1178.             "psraw $3, %%mm7    \n\t"

  1179.             WRITEYUY2(%4, %5, %%REGa)

  1180.             YSCALEYUV2PACKEDX_END

  1181.             return;

  1182.         }

  1183.     }

  1184. #endif /* HAVE_MMX */

  1185. #ifdef HAVE_ALTIVEC

  1186.     /* The following list of supported dstFormat values should

  1187.        match what's found in the body of altivec_yuv2packedX() */

  1188.     if (c->dstFormat==PIX_FMT_ABGR  || c->dstFormat==PIX_FMT_BGRA  ||

  1189.         c->dstFormat==PIX_FMT_BGR24 || c->dstFormat==PIX_FMT_RGB24 ||

  1190.         c->dstFormat==PIX_FMT_RGBA  || c->dstFormat==PIX_FMT_ARGB)

  1191.             altivec_yuv2packedX (c, lumFilter, lumSrc, lumFilterSize,

  1192.                                  chrFilter, chrSrc, chrFilterSize,

  1193.                                  dest, dstW, dstY);

  1194.     else

  1195. #endif

  1196.         yuv2packedXinC(c, lumFilter, lumSrc, lumFilterSize,

  1197.                        chrFilter, chrSrc, chrFilterSize,

  1198.                        dest, dstW, dstY);

  1199. }

  1200. 

  1201. /**

  1202.  * vertical bilinear scale YV12 to RGB

  1203.  */

  1204. static inline void RENAME(yuv2packed2)(SwsContext *c, uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,

  1205.                           uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)

  1206. {

  1207.     int yalpha1=yalpha^4095;

  1208.     int uvalpha1=uvalpha^4095;

  1209.     int i;

  1210. 

  1211. #if 0 //isn't used

  1212.     if (flags&SWS_FULL_CHR_H_INT)

  1213.     {

  1214.         switch(dstFormat)

  1215.         {

  1216. #ifdef HAVE_MMX

  1217.         case PIX_FMT_RGB32:

  1218.             asm volatile(

  1219. 

  1220. 

  1221. FULL_YSCALEYUV2RGB

  1222.             "punpcklbw %%mm1, %%mm3    \n\t" // BGBGBGBG

  1223.             "punpcklbw %%mm7, %%mm0    \n\t" // R0R0R0R0

  1224. 

  1225.             "movq      %%mm3, %%mm1    \n\t"

  1226.             "punpcklwd %%mm0, %%mm3    \n\t" // BGR0BGR0

  1227.             "punpckhwd %%mm0, %%mm1    \n\t" // BGR0BGR0

  1228. 

  1229.             MOVNTQ(%%mm3,  (%4, %%REGa, 4))

  1230.             MOVNTQ(%%mm1, 8(%4, %%REGa, 4))

  1231. 

  1232.             "add $4, %%"REG_a"  \n\t"

  1233.             "cmp %5, %%"REG_a"  \n\t"

  1234.             " jb 1b             \n\t"

  1235. 

  1236.             :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" ((long)dstW),

  1237.             "m" (yalpha1), "m" (uvalpha1)

  1238.             : "%"REG_a

  1239.             );

  1240.             break;

  1241.         case PIX_FMT_BGR24:

  1242.             asm volatile(

  1243. 

  1244. FULL_YSCALEYUV2RGB

  1245. 

  1246.                                               // lsb ... msb

  1247.             "punpcklbw %%mm1, %%mm3     \n\t" // BGBGBGBG

  1248.             "punpcklbw %%mm7, %%mm0     \n\t" // R0R0R0R0

  1249. 

  1250.             "movq      %%mm3, %%mm1     \n\t"

  1251.             "punpcklwd %%mm0, %%mm3     \n\t" // BGR0BGR0

  1252.             "punpckhwd %%mm0, %%mm1     \n\t" // BGR0BGR0

  1253. 

  1254.             "movq      %%mm3, %%mm2     \n\t" // BGR0BGR0

  1255.             "psrlq        $8, %%mm3     \n\t" // GR0BGR00

  1256.             "pand "MANGLE(bm00000111)", %%mm2   \n\t" // BGR00000

  1257.             "pand "MANGLE(bm11111000)", %%mm3   \n\t" // 000BGR00

  1258.             "por       %%mm2, %%mm3     \n\t" // BGRBGR00

  1259.             "movq      %%mm1, %%mm2     \n\t"

  1260.             "psllq       $48, %%mm1     \n\t" // 000000BG

  1261.             "por       %%mm1, %%mm3     \n\t" // BGRBGRBG

  1262. 

  1263.             "movq      %%mm2, %%mm1     \n\t" // BGR0BGR0

  1264.             "psrld       $16, %%mm2     \n\t" // R000R000

  1265.             "psrlq       $24, %%mm1     \n\t" // 0BGR0000

  1266.             "por       %%mm2, %%mm1     \n\t" // RBGRR000

  1267. 

  1268.             "mov          %4, %%"REG_b" \n\t"

  1269.             "add   %%"REG_a", %%"REG_b" \n\t"

  1270. 

  1271. #ifdef HAVE_MMX2

  1272.             //FIXME Alignment

  1273.             "movntq %%mm3,  (%%"REG_b", %%"REG_a", 2)   \n\t"

  1274.             "movntq %%mm1, 8(%%"REG_b", %%"REG_a", 2)   \n\t"

  1275. #else

  1276.             "movd %%mm3,  (%%"REG_b", %%"REG_a", 2)     \n\t"

  1277.             "psrlq  $32, %%mm3                          \n\t"

  1278.             "movd %%mm3, 4(%%"REG_b", %%"REG_a", 2)     \n\t"

  1279.             "movd %%mm1, 8(%%"REG_b", %%"REG_a", 2)     \n\t"

  1280. #endif

  1281.             "add     $4, %%"REG_a"                      \n\t"

  1282.             "cmp     %5, %%"REG_a"                      \n\t"

  1283.             " jb     1b                                 \n\t"

  1284. 

  1285.             :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),

  1286.             "m" (yalpha1), "m" (uvalpha1)

  1287.             : "%"REG_a, "%"REG_b

  1288.             );

  1289.             break;

  1290.         case PIX_FMT_BGR555:

  1291.             asm volatile(

  1292. 

  1293. FULL_YSCALEYUV2RGB

  1294. #ifdef DITHER1XBPP

  1295.             "paddusb "MANGLE(g5Dither)", %%mm1  \n\t"

  1296.             "paddusb "MANGLE(r5Dither)", %%mm0  \n\t"

  1297.             "paddusb "MANGLE(b5Dither)", %%mm3  \n\t"

  1298. #endif

  1299.             "punpcklbw            %%mm7, %%mm1  \n\t" // 0G0G0G0G

  1300.             "punpcklbw            %%mm7, %%mm3  \n\t" // 0B0B0B0B

  1301.             "punpcklbw            %%mm7, %%mm0  \n\t" // 0R0R0R0R

  1302. 

  1303.             "psrlw                   $3, %%mm3  \n\t"

  1304.             "psllw                   $2, %%mm1  \n\t"

  1305.             "psllw                   $7, %%mm0  \n\t"

  1306.             "pand     "MANGLE(g15Mask)", %%mm1  \n\t"

  1307.             "pand     "MANGLE(r15Mask)", %%mm0  \n\t"

  1308. 

  1309.             "por                  %%mm3, %%mm1  \n\t"

  1310.             "por                  %%mm1, %%mm0  \n\t"

  1311. 

  1312.             MOVNTQ(%%mm0, (%4, %%REGa, 2))

  1313. 

  1314.             "add $4, %%"REG_a"  \n\t"

  1315.             "cmp %5, %%"REG_a"  \n\t"

  1316.             " jb 1b             \n\t"

  1317. 

  1318.             :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),

  1319.             "m" (yalpha1), "m" (uvalpha1)

  1320.             : "%"REG_a

  1321.             );

  1322.             break;

  1323.         case PIX_FMT_BGR565:

  1324.             asm volatile(

  1325. 

  1326. FULL_YSCALEYUV2RGB

  1327. #ifdef DITHER1XBPP

  1328.             "paddusb "MANGLE(g6Dither)", %%mm1  \n\t"

  1329.             "paddusb "MANGLE(r5Dither)", %%mm0  \n\t"

  1330.             "paddusb "MANGLE(b5Dither)", %%mm3  \n\t"

  1331. #endif

  1332.             "punpcklbw            %%mm7, %%mm1  \n\t" // 0G0G0G0G

  1333.             "punpcklbw            %%mm7, %%mm3  \n\t" // 0B0B0B0B

  1334.             "punpcklbw            %%mm7, %%mm0  \n\t" // 0R0R0R0R

  1335. 

  1336.             "psrlw                   $3, %%mm3  \n\t"

  1337.             "psllw                   $3, %%mm1  \n\t"

  1338.             "psllw                   $8, %%mm0  \n\t"

  1339.             "pand     "MANGLE(g16Mask)", %%mm1  \n\t"

  1340.             "pand     "MANGLE(r16Mask)", %%mm0  \n\t"

  1341. 

  1342.             "por                  %%mm3, %%mm1  \n\t"

  1343.             "por                  %%mm1, %%mm0  \n\t"

  1344. 

  1345.             MOVNTQ(%%mm0, (%4, %%REGa, 2))

  1346. 

  1347.             "add $4, %%"REG_a"  \n\t"

  1348.             "cmp %5, %%"REG_a"  \n\t"

  1349.             " jb 1b             \n\t"

  1350. 

  1351.             :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),

  1352.             "m" (yalpha1), "m" (uvalpha1)

  1353.             : "%"REG_a

  1354.             );

  1355.             break;

  1356. #endif /* HAVE_MMX */

  1357.         case PIX_FMT_BGR32:

  1358. #ifndef HAVE_MMX

  1359.         case PIX_FMT_RGB32:

  1360. #endif

  1361.             if (dstFormat==PIX_FMT_RGB32)

  1362.             {

  1363.                 int i;

  1364. #ifdef WORDS_BIGENDIAN

  1365.                 dest++;

  1366. #endif

  1367.                 for (i=0;i<dstW;i++){

  1368.                     // vertical linear interpolation && yuv2rgb in a single step:

  1369.                     int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];

  1370.                     int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);

  1371.                     int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);

  1372.                     dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];

  1373.                     dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];

  1374.                     dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];

  1375.                     dest+= 4;

  1376.                 }

  1377.             }

  1378.             else if (dstFormat==PIX_FMT_BGR24)

  1379.             {

  1380.                 int i;

  1381.                 for (i=0;i<dstW;i++){

  1382.                     // vertical linear interpolation && yuv2rgb in a single step:

  1383.                     int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];

  1384.                     int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);

  1385.                     int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);

  1386.                     dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];

  1387.                     dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];

  1388.                     dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];

  1389.                     dest+= 3;

  1390.                 }

  1391.             }

  1392.             else if (dstFormat==PIX_FMT_BGR565)

  1393.             {

  1394.                 int i;

  1395.                 for (i=0;i<dstW;i++){

  1396.                     // vertical linear interpolation && yuv2rgb in a single step:

  1397.                     int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];

  1398.                     int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);

  1399.                     int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);

  1400. 

  1401.                     ((uint16_t*)dest)[i] =

  1402.                         clip_table16b[(Y + yuvtab_40cf[U]) >>13] |

  1403.                         clip_table16g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |

  1404.                         clip_table16r[(Y + yuvtab_3343[V]) >>13];

  1405.                 }

  1406.             }

  1407.             else if (dstFormat==PIX_FMT_BGR555)

  1408.             {

  1409.                 int i;

  1410.                 for (i=0;i<dstW;i++){

  1411.                     // vertical linear interpolation && yuv2rgb in a single step:

  1412.                     int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];

  1413.                     int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);

  1414.                     int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);

  1415. 

  1416.                     ((uint16_t*)dest)[i] =

  1417.                         clip_table15b[(Y + yuvtab_40cf[U]) >>13] |

  1418.                         clip_table15g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |

  1419.                         clip_table15r[(Y + yuvtab_3343[V]) >>13];

  1420.                 }

  1421.             }

  1422.         }//FULL_UV_IPOL

  1423.     else

  1424.     {

  1425. #endif // if 0

  1426. #ifdef HAVE_MMX

  1427.         switch(c->dstFormat)

  1428.         {

  1429.             //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(

  1430.             case PIX_FMT_RGB32:

  1431.                 asm volatile(

  1432.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1433.                 "mov        %4, %%"REG_b"               \n\t"

  1434.                 "push %%"REG_BP"                        \n\t"

  1435.                 YSCALEYUV2RGB(%%REGBP, %5)

  1436.                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP)

  1437.                 "pop %%"REG_BP"                         \n\t"

  1438.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1439. 

  1440.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1441.                 "a" (&c->redDither)

  1442.                 );

  1443.                 return;

  1444.             case PIX_FMT_BGR24:

  1445.                 asm volatile(

  1446.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1447.                 "mov        %4, %%"REG_b"               \n\t"

  1448.                 "push %%"REG_BP"                        \n\t"

  1449.                 YSCALEYUV2RGB(%%REGBP, %5)

  1450.                 WRITEBGR24(%%REGb, 8280(%5), %%REGBP)

  1451.                 "pop %%"REG_BP"                         \n\t"

  1452.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1453.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1454.                 "a" (&c->redDither)

  1455.                 );

  1456.                 return;

  1457.             case PIX_FMT_RGB555:

  1458.                 asm volatile(

  1459.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1460.                 "mov        %4, %%"REG_b"               \n\t"

  1461.                 "push %%"REG_BP"                        \n\t"

  1462.                 YSCALEYUV2RGB(%%REGBP, %5)

  1463.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1464. #ifdef DITHER1XBPP

  1465.                 "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"

  1466.                 "paddusb "MANGLE(g5Dither)", %%mm4      \n\t"

  1467.                 "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"

  1468. #endif

  1469. 

  1470.                 WRITERGB15(%%REGb, 8280(%5), %%REGBP)

  1471.                 "pop %%"REG_BP"                         \n\t"

  1472.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1473. 

  1474.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1475.                 "a" (&c->redDither)

  1476.                 );

  1477.                 return;

  1478.             case PIX_FMT_RGB565:

  1479.                 asm volatile(

  1480.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1481.                 "mov        %4, %%"REG_b"               \n\t"

  1482.                 "push %%"REG_BP"                        \n\t"

  1483.                 YSCALEYUV2RGB(%%REGBP, %5)

  1484.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1485. #ifdef DITHER1XBPP

  1486.                 "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"

  1487.                 "paddusb "MANGLE(g6Dither)", %%mm4      \n\t"

  1488.                 "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"

  1489. #endif

  1490. 

  1491.                 WRITERGB16(%%REGb, 8280(%5), %%REGBP)

  1492.                 "pop %%"REG_BP"                         \n\t"

  1493.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1494.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1495.                 "a" (&c->redDither)

  1496.                 );

  1497.                 return;

  1498.             case PIX_FMT_YUYV422:

  1499.                 asm volatile(

  1500.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1501.                 "mov %4, %%"REG_b"                        \n\t"

  1502.                 "push %%"REG_BP"                        \n\t"

  1503.                 YSCALEYUV2PACKED(%%REGBP, %5)

  1504.                 WRITEYUY2(%%REGb, 8280(%5), %%REGBP)

  1505.                 "pop %%"REG_BP"                         \n\t"

  1506.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1507.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1508.                 "a" (&c->redDither)

  1509.                 );

  1510.                 return;

  1511.             default: break;

  1512.         }

  1513. #endif //HAVE_MMX

  1514. YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C, YSCALE_YUV_2_PACKED2_C, YSCALE_YUV_2_GRAY16_2_C)

  1515. }

  1516. 

  1517. /**

  1518.  * YV12 to RGB without scaling or interpolating

  1519.  */

  1520. static inline void RENAME(yuv2packed1)(SwsContext *c, uint16_t *buf0, uint16_t *uvbuf0, uint16_t *uvbuf1,

  1521.                           uint8_t *dest, int dstW, int uvalpha, int dstFormat, int flags, int y)

  1522. {

  1523.     const int yalpha1=0;

  1524.     int i;

  1525. 

  1526.     uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1

  1527.     const int yalpha= 4096; //FIXME ...

  1528. 

  1529.     if (flags&SWS_FULL_CHR_H_INT)

  1530.     {

  1531.         RENAME(yuv2packed2)(c, buf0, buf0, uvbuf0, uvbuf1, dest, dstW, 0, uvalpha, y);

  1532.         return;

  1533.     }

  1534. 

  1535. #ifdef HAVE_MMX

  1536.     if (uvalpha < 2048) // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster

  1537.     {

  1538.         switch(dstFormat)

  1539.         {

  1540.         case PIX_FMT_RGB32:

  1541.             asm volatile(

  1542.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1543.             "mov        %4, %%"REG_b"               \n\t"

  1544.             "push %%"REG_BP"                        \n\t"

  1545.             YSCALEYUV2RGB1(%%REGBP, %5)

  1546.             WRITEBGR32(%%REGb, 8280(%5), %%REGBP)

  1547.             "pop %%"REG_BP"                         \n\t"

  1548.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1549. 

  1550.             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1551.             "a" (&c->redDither)

  1552.             );

  1553.             return;

  1554.         case PIX_FMT_BGR24:

  1555.             asm volatile(

  1556.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1557.             "mov        %4, %%"REG_b"               \n\t"

  1558.             "push %%"REG_BP"                        \n\t"

  1559.             YSCALEYUV2RGB1(%%REGBP, %5)

  1560.             WRITEBGR24(%%REGb, 8280(%5), %%REGBP)

  1561.             "pop %%"REG_BP"                         \n\t"

  1562.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1563. 

  1564.             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1565.             "a" (&c->redDither)

  1566.             );

  1567.             return;

  1568.         case PIX_FMT_RGB555:

  1569.             asm volatile(

  1570.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1571.             "mov        %4, %%"REG_b"               \n\t"

  1572.             "push %%"REG_BP"                        \n\t"

  1573.             YSCALEYUV2RGB1(%%REGBP, %5)

  1574.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1575. #ifdef DITHER1XBPP

  1576.             "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"

  1577.             "paddusb "MANGLE(g5Dither)", %%mm4      \n\t"

  1578.             "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"

  1579. #endif

  1580.             WRITERGB15(%%REGb, 8280(%5), %%REGBP)

  1581.             "pop %%"REG_BP"                         \n\t"

  1582.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1583. 

  1584.             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1585.             "a" (&c->redDither)

  1586.             );

  1587.             return;

  1588.         case PIX_FMT_RGB565:

  1589.             asm volatile(

  1590.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1591.             "mov        %4, %%"REG_b"               \n\t"

  1592.             "push %%"REG_BP"                        \n\t"

  1593.             YSCALEYUV2RGB1(%%REGBP, %5)

  1594.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1595. #ifdef DITHER1XBPP

  1596.             "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"

  1597.             "paddusb "MANGLE(g6Dither)", %%mm4      \n\t"

  1598.             "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"

  1599. #endif

  1600. 

  1601.             WRITERGB16(%%REGb, 8280(%5), %%REGBP)

  1602.             "pop %%"REG_BP"                         \n\t"

  1603.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1604. 

  1605.             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1606.             "a" (&c->redDither)

  1607.             );

  1608.             return;

  1609.         case PIX_FMT_YUYV422:

  1610.             asm volatile(

  1611.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1612.             "mov        %4, %%"REG_b"               \n\t"

  1613.             "push %%"REG_BP"                        \n\t"

  1614.             YSCALEYUV2PACKED1(%%REGBP, %5)

  1615.             WRITEYUY2(%%REGb, 8280(%5), %%REGBP)

  1616.             "pop %%"REG_BP"                         \n\t"

  1617.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1618. 

  1619.             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1620.             "a" (&c->redDither)

  1621.             );

  1622.             return;

  1623.         }

  1624.     }

  1625.     else

  1626.     {

  1627.         switch(dstFormat)

  1628.         {

  1629.         case PIX_FMT_RGB32:

  1630.             asm volatile(

  1631.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1632.             "mov        %4, %%"REG_b"               \n\t"

  1633.             "push %%"REG_BP"                        \n\t"

  1634.             YSCALEYUV2RGB1b(%%REGBP, %5)

  1635.             WRITEBGR32(%%REGb, 8280(%5), %%REGBP)

  1636.             "pop %%"REG_BP"                         \n\t"

  1637.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1638. 

  1639.             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1640.             "a" (&c->redDither)

  1641.             );

  1642.             return;

  1643.         case PIX_FMT_BGR24:

  1644.             asm volatile(

  1645.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1646.             "mov        %4, %%"REG_b"               \n\t"

  1647.             "push %%"REG_BP"                        \n\t"

  1648.             YSCALEYUV2RGB1b(%%REGBP, %5)

  1649.             WRITEBGR24(%%REGb, 8280(%5), %%REGBP)

  1650.             "pop %%"REG_BP"                         \n\t"

  1651.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1652. 

  1653.             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1654.             "a" (&c->redDither)

  1655.             );

  1656.             return;

  1657.         case PIX_FMT_RGB555:

  1658.             asm volatile(

  1659.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1660.             "mov        %4, %%"REG_b"               \n\t"

  1661.             "push %%"REG_BP"                        \n\t"

  1662.             YSCALEYUV2RGB1b(%%REGBP, %5)

  1663.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1664. #ifdef DITHER1XBPP

  1665.             "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"

  1666.             "paddusb "MANGLE(g5Dither)", %%mm4      \n\t"

  1667.             "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"

  1668. #endif

  1669.             WRITERGB15(%%REGb, 8280(%5), %%REGBP)

  1670.             "pop %%"REG_BP"                         \n\t"

  1671.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1672. 

  1673.             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1674.             "a" (&c->redDither)

  1675.             );

  1676.             return;

  1677.         case PIX_FMT_RGB565:

  1678.             asm volatile(

  1679.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1680.             "mov        %4, %%"REG_b"               \n\t"

  1681.             "push %%"REG_BP"                        \n\t"

  1682.             YSCALEYUV2RGB1b(%%REGBP, %5)

  1683.             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1684. #ifdef DITHER1XBPP

  1685.             "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"

  1686.             "paddusb "MANGLE(g6Dither)", %%mm4      \n\t"

  1687.             "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"

  1688. #endif

  1689. 

  1690.             WRITERGB16(%%REGb, 8280(%5), %%REGBP)

  1691.             "pop %%"REG_BP"                         \n\t"

  1692.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1693. 

  1694.             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1695.             "a" (&c->redDither)

  1696.             );

  1697.             return;

  1698.         case PIX_FMT_YUYV422:

  1699.             asm volatile(

  1700.             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1701.             "mov        %4, %%"REG_b"               \n\t"

  1702.             "push %%"REG_BP"                        \n\t"

  1703.             YSCALEYUV2PACKED1b(%%REGBP, %5)

  1704.             WRITEYUY2(%%REGb, 8280(%5), %%REGBP)

  1705.             "pop %%"REG_BP"                         \n\t"

  1706.             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1707. 

  1708.             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1709.             "a" (&c->redDither)

  1710.             );

  1711.             return;

  1712.         }

  1713.     }

  1714. #endif /* HAVE_MMX */

  1715.     if (uvalpha < 2048)

  1716.     {

  1717.         YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1_C, YSCALE_YUV_2_PACKED1_C, YSCALE_YUV_2_GRAY16_1_C)

  1718.     }else{

  1719.         YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1B_C, YSCALE_YUV_2_PACKED1B_C, YSCALE_YUV_2_GRAY16_1_C)

  1720.     }

  1721. }

  1722. 

  1723. //FIXME yuy2* can read up to 7 samples too much

  1724. 

  1725. static inline void RENAME(yuy2ToY)(uint8_t *dst, uint8_t *src, long width)

  1726. {

  1727. #ifdef HAVE_MMX

  1728.     asm volatile(

  1729.     "movq "MANGLE(bm01010101)", %%mm2           \n\t"

  1730.     "mov                    %0, %%"REG_a"       \n\t"

  1731.     "1:                                         \n\t"

  1732.     "movq    (%1, %%"REG_a",2), %%mm0           \n\t"

  1733.     "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"

  1734.     "pand                %%mm2, %%mm0           \n\t"

  1735.     "pand                %%mm2, %%mm1           \n\t"

  1736.     "packuswb            %%mm1, %%mm0           \n\t"

  1737.     "movq                %%mm0, (%2, %%"REG_a") \n\t"

  1738.     "add                    $8, %%"REG_a"       \n\t"

  1739.     " js                    1b                  \n\t"

  1740.     : : "g" (-width), "r" (src+width*2), "r" (dst+width)

  1741.     : "%"REG_a

  1742.     );

  1743. #else

  1744.     int i;

  1745.     for (i=0; i<width; i++)

  1746.         dst[i]= src[2*i];

  1747. #endif

  1748. }

  1749. 

  1750. static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)

  1751. {

  1752. #ifdef HAVE_MMX

  1753.     asm volatile(

  1754.     "movq "MANGLE(bm01010101)", %%mm4           \n\t"

  1755.     "mov                    %0, %%"REG_a"       \n\t"

  1756.     "1:                                         \n\t"

  1757.     "movq    (%1, %%"REG_a",4), %%mm0           \n\t"

  1758.     "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"

  1759.     "psrlw                  $8, %%mm0           \n\t"

  1760.     "psrlw                  $8, %%mm1           \n\t"

  1761.     "packuswb            %%mm1, %%mm0           \n\t"

  1762.     "movq                %%mm0, %%mm1           \n\t"

  1763.     "psrlw                  $8, %%mm0           \n\t"

  1764.     "pand                %%mm4, %%mm1           \n\t"

  1765.     "packuswb            %%mm0, %%mm0           \n\t"

  1766.     "packuswb            %%mm1, %%mm1           \n\t"

  1767.     "movd                %%mm0, (%3, %%"REG_a") \n\t"

  1768.     "movd                %%mm1, (%2, %%"REG_a") \n\t"

  1769.     "add                    $4, %%"REG_a"       \n\t"

  1770.     " js                    1b                  \n\t"

  1771.     : : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)

  1772.     : "%"REG_a

  1773.     );

  1774. #else

  1775.     int i;

  1776.     for (i=0; i<width; i++)

  1777.     {

  1778.         dstU[i]= src1[4*i + 1];

  1779.         dstV[i]= src1[4*i + 3];

  1780.     }

  1781. #endif

  1782.     assert(src1 == src2);

  1783. }

  1784. 

  1785. /* This is almost identical to the previous, end exists only because

  1786.  * yuy2ToY/UV)(dst, src+1, ...) would have 100% unaligned accesses. */

  1787. static inline void RENAME(uyvyToY)(uint8_t *dst, uint8_t *src, long width)

  1788. {

  1789. #ifdef HAVE_MMX

  1790.     asm volatile(

  1791.     "mov                  %0, %%"REG_a"         \n\t"

  1792.     "1:                                         \n\t"

  1793.     "movq  (%1, %%"REG_a",2), %%mm0             \n\t"

  1794.     "movq 8(%1, %%"REG_a",2), %%mm1             \n\t"

  1795.     "psrlw                $8, %%mm0             \n\t"

  1796.     "psrlw                $8, %%mm1             \n\t"

  1797.     "packuswb          %%mm1, %%mm0             \n\t"

  1798.     "movq              %%mm0, (%2, %%"REG_a")   \n\t"

  1799.     "add                  $8, %%"REG_a"         \n\t"

  1800.     " js                  1b                    \n\t"

  1801.     : : "g" (-width), "r" (src+width*2), "r" (dst+width)

  1802.     : "%"REG_a

  1803.     );

  1804. #else

  1805.     int i;

  1806.     for (i=0; i<width; i++)

  1807.         dst[i]= src[2*i+1];

  1808. #endif

  1809. }

  1810. 

  1811. static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)

  1812. {

  1813. #ifdef HAVE_MMX

  1814.     asm volatile(

  1815.     "movq "MANGLE(bm01010101)", %%mm4           \n\t"

  1816.     "mov                    %0, %%"REG_a"       \n\t"

  1817.     "1:                                         \n\t"

  1818.     "movq    (%1, %%"REG_a",4), %%mm0           \n\t"

  1819.     "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"

  1820.     "pand                %%mm4, %%mm0           \n\t"

  1821.     "pand                %%mm4, %%mm1           \n\t"

  1822.     "packuswb            %%mm1, %%mm0           \n\t"

  1823.     "movq                %%mm0, %%mm1           \n\t"

  1824.     "psrlw                  $8, %%mm0           \n\t"

  1825.     "pand                %%mm4, %%mm1           \n\t"

  1826.     "packuswb            %%mm0, %%mm0           \n\t"

  1827.     "packuswb            %%mm1, %%mm1           \n\t"

  1828.     "movd                %%mm0, (%3, %%"REG_a") \n\t"

  1829.     "movd                %%mm1, (%2, %%"REG_a") \n\t"

  1830.     "add                    $4, %%"REG_a"       \n\t"

  1831.     " js                    1b                  \n\t"

  1832.     : : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)

  1833.     : "%"REG_a

  1834.     );

  1835. #else

  1836.     int i;

  1837.     for (i=0; i<width; i++)

  1838.     {

  1839.         dstU[i]= src1[4*i + 0];

  1840.         dstV[i]= src1[4*i + 2];

  1841.     }

  1842. #endif

  1843.     assert(src1 == src2);

  1844. }

  1845. 

  1846. static inline void RENAME(bgr32ToY)(uint8_t *dst, uint8_t *src, long width)

  1847. {

  1848.     int i;

  1849.     for (i=0; i<width; i++)

  1850.     {

  1851.         int b=  ((uint32_t*)src)[i]&0xFF;

  1852.         int g= (((uint32_t*)src)[i]>>8)&0xFF;

  1853.         int r= (((uint32_t*)src)[i]>>16)&0xFF;

  1854. 

  1855.         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);

  1856.     }

  1857. }

  1858. 

  1859. static inline void RENAME(bgr32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)

  1860. {

  1861.     int i;

  1862.     assert(src1 == src2);

  1863.     for (i=0; i<width; i++)

  1864.     {

  1865.         const int a= ((uint32_t*)src1)[2*i+0];

  1866.         const int e= ((uint32_t*)src1)[2*i+1];

  1867.         const int l= (a&0xFF00FF) + (e&0xFF00FF);

  1868.         const int h= (a&0x00FF00) + (e&0x00FF00);

  1869.         const int b=  l&0x3FF;

  1870.         const int g=  h>>8;

  1871.         const int r=  l>>16;

  1872. 

  1873.         dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);

  1874.         dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);

  1875.     }

  1876. }

  1877. 

  1878. #ifdef HAVE_MMX

  1879. static inline void bgr24ToY_mmx(uint8_t *dst, uint8_t *src, long width, int srcFormat)

  1880. {

  1881. 

  1882.     if(srcFormat == PIX_FMT_BGR24){

  1883.         asm volatile(

  1884.             "movq  "MANGLE(ff_bgr24toY1Coeff)", %mm5       \n\t"

  1885.             "movq  "MANGLE(ff_bgr24toY2Coeff)", %mm6       \n\t"

  1886.         );

  1887.     }else{

  1888.         asm volatile(

  1889.             "movq  "MANGLE(ff_rgb24toY1Coeff)", %mm5       \n\t"

  1890.             "movq  "MANGLE(ff_rgb24toY2Coeff)", %mm6       \n\t"

  1891.         );

  1892.     }

  1893. 

  1894.     asm volatile(

  1895.         "movq  "MANGLE(ff_bgr24toYOffset)", %%mm4   \n\t"

  1896.         "mov                        %2, %%"REG_a"   \n\t"

  1897.         "pxor                    %%mm7, %%mm7       \n\t"

  1898.         "1:                                         \n\t"

  1899.         PREFETCH"               64(%0)              \n\t"

  1900.         "movd                     (%0), %%mm0       \n\t"

  1901.         "movd                    2(%0), %%mm1       \n\t"

  1902.         "movd                    6(%0), %%mm2       \n\t"

  1903.         "movd                    8(%0), %%mm3       \n\t"

  1904.         "add                       $12, %0          \n\t"

  1905.         "punpcklbw               %%mm7, %%mm0       \n\t"

  1906.         "punpcklbw               %%mm7, %%mm1       \n\t"

  1907.         "punpcklbw               %%mm7, %%mm2       \n\t"

  1908.         "punpcklbw               %%mm7, %%mm3       \n\t"

  1909.         "pmaddwd                 %%mm5, %%mm0       \n\t"

  1910.         "pmaddwd                 %%mm6, %%mm1       \n\t"

  1911.         "pmaddwd                 %%mm5, %%mm2       \n\t"

  1912.         "pmaddwd                 %%mm6, %%mm3       \n\t"

  1913.         "paddd                   %%mm1, %%mm0       \n\t"

  1914.         "paddd                   %%mm3, %%mm2       \n\t"

  1915.         "paddd                   %%mm4, %%mm0       \n\t"

  1916.         "paddd                   %%mm4, %%mm2       \n\t"

  1917.         "psrad                     $15, %%mm0       \n\t"

  1918.         "psrad                     $15, %%mm2       \n\t"

  1919.         "packssdw                %%mm2, %%mm0       \n\t"

  1920.         "packuswb                %%mm0, %%mm0       \n\t"

  1921.         "movd                %%mm0, (%1, %%"REG_a") \n\t"

  1922.         "add                        $4, %%"REG_a"   \n\t"

  1923.         " js                        1b              \n\t"

  1924.     : "+r" (src)

  1925.     : "r" (dst+width), "g" (-width)

  1926.     : "%"REG_a

  1927.     );

  1928. }

  1929. 

  1930. static inline void bgr24ToUV_mmx(uint8_t *dstU, uint8_t *dstV, uint8_t *src, long width, int srcFormat)

  1931. {

  1932.     asm volatile(

  1933.         "movq                    24+%4, %%mm6       \n\t"

  1934.         "mov                        %3, %%"REG_a"   \n\t"

  1935.         "pxor                    %%mm7, %%mm7       \n\t"

  1936.         "1:                                         \n\t"

  1937.         PREFETCH"               64(%0)              \n\t"

  1938.         "movd                     (%0), %%mm0       \n\t"

  1939.         "movd                    2(%0), %%mm1       \n\t"

  1940.         "punpcklbw               %%mm7, %%mm0       \n\t"

  1941.         "punpcklbw               %%mm7, %%mm1       \n\t"

  1942.         "movq                    %%mm0, %%mm2       \n\t"

  1943.         "movq                    %%mm1, %%mm3       \n\t"

  1944.         "pmaddwd                    %4, %%mm0       \n\t"

  1945.         "pmaddwd                  8+%4, %%mm1       \n\t"

  1946.         "pmaddwd                 16+%4, %%mm2       \n\t"

  1947.         "pmaddwd                 %%mm6, %%mm3       \n\t"

  1948.         "paddd                   %%mm1, %%mm0       \n\t"

  1949.         "paddd                   %%mm3, %%mm2       \n\t"

  1950. 

  1951.         "movd                    6(%0), %%mm1       \n\t"

  1952.         "movd                    8(%0), %%mm3       \n\t"

  1953.         "add                       $12, %0          \n\t"

  1954.         "punpcklbw               %%mm7, %%mm1       \n\t"

  1955.         "punpcklbw               %%mm7, %%mm3       \n\t"

  1956.         "movq                    %%mm1, %%mm4       \n\t"

  1957.         "movq                    %%mm3, %%mm5       \n\t"

  1958.         "pmaddwd                    %4, %%mm1       \n\t"

  1959.         "pmaddwd                  8+%4, %%mm3       \n\t"

  1960.         "pmaddwd                 16+%4, %%mm4       \n\t"

  1961.         "pmaddwd                 %%mm6, %%mm5       \n\t"

  1962.         "paddd                   %%mm3, %%mm1       \n\t"

  1963.         "paddd                   %%mm5, %%mm4       \n\t"

  1964. 

  1965.         "movq "MANGLE(ff_bgr24toUVOffset)", %%mm3       \n\t"

  1966.         "paddd                   %%mm3, %%mm0       \n\t"

  1967.         "paddd                   %%mm3, %%mm2       \n\t"

  1968.         "paddd                   %%mm3, %%mm1       \n\t"

  1969.         "paddd                   %%mm3, %%mm4       \n\t"

  1970.         "psrad                     $15, %%mm0       \n\t"

  1971.         "psrad                     $15, %%mm2       \n\t"

  1972.         "psrad                     $15, %%mm1       \n\t"

  1973.         "psrad                     $15, %%mm4       \n\t"

  1974.         "packssdw                %%mm1, %%mm0       \n\t"

  1975.         "packssdw                %%mm4, %%mm2       \n\t"

  1976.         "packuswb                %%mm0, %%mm0       \n\t"

  1977.         "packuswb                %%mm2, %%mm2       \n\t"

  1978.         "movd                %%mm0, (%1, %%"REG_a") \n\t"

  1979.         "movd                %%mm2, (%2, %%"REG_a") \n\t"

  1980.         "add                        $4, %%"REG_a"   \n\t"

  1981.         " js                        1b              \n\t"

  1982.     : "+r" (src)

  1983.     : "r" (dstU+width), "r" (dstV+width), "g" (-width), "m"(ff_bgr24toUV[srcFormat == PIX_FMT_RGB24][0])

  1984.     : "%"REG_a

  1985.     );

  1986. }

  1987. #endif

  1988. 

  1989. static inline void RENAME(bgr24ToY)(uint8_t *dst, uint8_t *src, long width)

  1990. {

  1991. #ifdef HAVE_MMX

  1992.     bgr24ToY_mmx(dst, src, width, PIX_FMT_BGR24);

  1993. #else

  1994.     int i;

  1995.     for (i=0; i<width; i++)

  1996.     {

  1997.         int b= src[i*3+0];

  1998.         int g= src[i*3+1];

  1999.         int r= src[i*3+2];

  2000. 

  2001.         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);

  2002.     }

  2003. #endif /* HAVE_MMX */

  2004. }

  2005. 

  2006. static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)

  2007. {

  2008. #ifdef HAVE_MMX

  2009.     bgr24ToUV_mmx(dstU, dstV, src1, width, PIX_FMT_BGR24);

  2010. #else

  2011.     int i;

  2012.     for (i=0; i<width; i++)

  2013.     {

  2014.         int b= src1[3*i + 0];

  2015.         int g= src1[3*i + 1];

  2016.         int r= src1[3*i + 2];

  2017. 

  2018.         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;

  2019.         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;

  2020.     }

  2021. #endif /* HAVE_MMX */

  2022.     assert(src1 == src2);

  2023. }

  2024. 

  2025. static inline void RENAME(rgb16ToY)(uint8_t *dst, uint8_t *src, long width)

  2026. {

  2027.     int i;

  2028.     for (i=0; i<width; i++)

  2029.     {

  2030.         int d= ((uint16_t*)src)[i];

  2031.         int b= d&0x1F;

  2032.         int g= (d>>5)&0x3F;

  2033.         int r= (d>>11)&0x1F;

  2034. 

  2035.         dst[i]= (2*RY*r + GY*g + 2*BY*b + (33<<(RGB2YUV_SHIFT-3)))>>(RGB2YUV_SHIFT-2);

  2036.     }

  2037. }

  2038. 

  2039. static inline void RENAME(rgb16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)

  2040. {

  2041.     int i;

  2042.     assert(src1==src2);

  2043.     for (i=0; i<width; i++)

  2044.     {

  2045.         int d0= ((uint32_t*)src1)[i];

  2046. 

  2047.         int dl= (d0&0x07E0F81F);

  2048.         int dh= ((d0>>5)&0x07C0F83F);

  2049. 

  2050.         int dh2= (dh>>11) + (dh<<21);

  2051.         int d= dh2 + dl;

  2052. 

  2053.         int b= d&0x7F;

  2054.         int r= (d>>11)&0x7F;

  2055.         int g= d>>21;

  2056.         dstU[i]= (2*RU*r + GU*g + 2*BU*b + (257<<(RGB2YUV_SHIFT-2)))>>(RGB2YUV_SHIFT+1-2);

  2057.         dstV[i]= (2*RV*r + GV*g + 2*BV*b + (257<<(RGB2YUV_SHIFT-2)))>>(RGB2YUV_SHIFT+1-2);

  2058.     }

  2059. }

  2060. 

  2061. static inline void RENAME(rgb15ToY)(uint8_t *dst, uint8_t *src, long width)

  2062. {

  2063.     int i;

  2064.     for (i=0; i<width; i++)

  2065.     {

  2066.         int d= ((uint16_t*)src)[i];

  2067.         int b= d&0x1F;

  2068.         int g= (d>>5)&0x1F;

  2069.         int r= (d>>10)&0x1F;

  2070. 

  2071.         dst[i]= (RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-4)))>>(RGB2YUV_SHIFT-3);

  2072.     }

  2073. }

  2074. 

  2075. static inline void RENAME(rgb15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)

  2076. {

  2077.     int i;

  2078.     assert(src1==src2);

  2079.     for (i=0; i<width; i++)

  2080.     {

  2081.         int d0= ((uint32_t*)src1)[i];

  2082. 

  2083.         int dl= (d0&0x03E07C1F);

  2084.         int dh= ((d0>>5)&0x03E0F81F);

  2085. 

  2086.         int dh2= (dh>>11) + (dh<<21);

  2087.         int d= dh2 + dl;

  2088. 

  2089.         int b= d&0x7F;

  2090.         int r= (d>>10)&0x7F;

  2091.         int g= d>>21;

  2092.         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-3)))>>(RGB2YUV_SHIFT+1-3);

  2093.         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-3)))>>(RGB2YUV_SHIFT+1-3);

  2094.     }

  2095. }

  2096. 

  2097. 

  2098. static inline void RENAME(rgb32ToY)(uint8_t *dst, uint8_t *src, long width)

  2099. {

  2100.     int i;

  2101.     for (i=0; i<width; i++)

  2102.     {

  2103.         int r=  ((uint32_t*)src)[i]&0xFF;

  2104.         int g= (((uint32_t*)src)[i]>>8)&0xFF;

  2105.         int b= (((uint32_t*)src)[i]>>16)&0xFF;

  2106. 

  2107.         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);

  2108.     }

  2109. }

  2110. 

  2111. static inline void RENAME(rgb32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)

  2112. {

  2113.     int i;

  2114.     assert(src1==src2);

  2115.     for (i=0; i<width; i++)

  2116.     {

  2117.         const int a= ((uint32_t*)src1)[2*i+0];

  2118.         const int e= ((uint32_t*)src1)[2*i+1];

  2119.         const int l= (a&0xFF00FF) + (e&0xFF00FF);

  2120.         const int h= (a&0x00FF00) + (e&0x00FF00);

  2121.         const int r=  l&0x3FF;

  2122.         const int g=  h>>8;

  2123.         const int b=  l>>16;

  2124. 

  2125.         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT)))>>(RGB2YUV_SHIFT+1);

  2126.         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT)))>>(RGB2YUV_SHIFT+1);

  2127.     }

  2128. }

  2129. 

  2130. static inline void RENAME(rgb24ToY)(uint8_t *dst, uint8_t *src, long width)

  2131. {

  2132. #ifdef HAVE_MMX

  2133.     bgr24ToY_mmx(dst, src, width, PIX_FMT_RGB24);

  2134. #else

  2135.     int i;

  2136.     for (i=0; i<width; i++)

  2137.     {

  2138.         int r= src[i*3+0];

  2139.         int g= src[i*3+1];

  2140.         int b= src[i*3+2];

  2141. 

  2142.         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);

  2143.     }

  2144. #endif

  2145. }

  2146. 

  2147. static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)

  2148. {

  2149.     int i;

  2150.     assert(src1==src2);

  2151. #ifdef HAVE_MMX

  2152.     bgr24ToUV_mmx(dstU, dstV, src1, width, PIX_FMT_RGB24);

  2153. #else

  2154.     for (i=0; i<width; i++)

  2155.     {

  2156.         int r= src1[3*i + 0];

  2157.         int g= src1[3*i + 1];

  2158.         int b= src1[3*i + 2];

  2159. 

  2160.         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;

  2161.         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;

  2162.     }

  2163. #endif

  2164. }

  2165. 

  2166. static inline void RENAME(bgr16ToY)(uint8_t *dst, uint8_t *src, long width)

  2167. {

  2168.     int i;

  2169.     for (i=0; i<width; i++)

  2170.     {

  2171.         int d= ((uint16_t*)src)[i];

  2172.         int r= d&0x1F;

  2173.         int g= (d>>5)&0x3F;

  2174.         int b= (d>>11)&0x1F;

  2175. 

  2176.         dst[i]= (2*RY*r + GY*g + 2*BY*b + (33<<(RGB2YUV_SHIFT-3)))>>(RGB2YUV_SHIFT-2);

  2177.     }

  2178. }

  2179. 

  2180. static inline void RENAME(bgr16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)

  2181. {

  2182.     int i;

  2183.     assert(src1 == src2);

  2184.     for (i=0; i<width; i++)

  2185.     {

  2186.         int d0= ((uint32_t*)src1)[i];

  2187. 

  2188.         int dl= (d0&0x07E0F81F);

  2189.         int d= dl + (((d0>>16) + (d0<<16))&0x07E0F81F);

  2190. 

  2191.         int r= d&0x3F;

  2192.         int b= (d>>11)&0x3F;

  2193.         int g= d>>21;

  2194.         dstU[i]= (2*RU*r + GU*g + 2*BU*b + (257<<(RGB2YUV_SHIFT-2)))>>(RGB2YUV_SHIFT+1-2);

  2195.         dstV[i]= (2*RV*r + GV*g + 2*BV*b + (257<<(RGB2YUV_SHIFT-2)))>>(RGB2YUV_SHIFT+1-2);

  2196.     }

  2197. }

  2198. 

  2199. static inline void RENAME(bgr15ToY)(uint8_t *dst, uint8_t *src, long width)

  2200. {

  2201.     int i;

  2202.     for (i=0; i<width; i++)

  2203.     {

  2204.         int d= ((uint16_t*)src)[i];

  2205.         int r= d&0x1F;

  2206.         int g= (d>>5)&0x1F;

  2207.         int b= (d>>10)&0x1F;

  2208. 

  2209.         dst[i]= (RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-4)))>>(RGB2YUV_SHIFT-3);

  2210.     }

  2211. }

  2212. 

  2213. static inline void RENAME(bgr15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)

  2214. {

  2215.     int i;

  2216.     assert(src1 == src2);

  2217.     for (i=0; i<width; i++)

  2218.     {

  2219.         int d0= ((uint32_t*)src1)[i];

  2220. 

  2221.         int dl= (d0&0x03E07C1F);

  2222.         int d= dl + (((d0>>16) + (d0<<16))&0x03E07C1F);

  2223. 

  2224.         int r= d&0x3F;

  2225.         int b= (d>>10)&0x3F;

  2226.         int g= d>>21;

  2227.         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-3)))>>(RGB2YUV_SHIFT+1-3);

  2228.         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-3)))>>(RGB2YUV_SHIFT+1-3);

  2229.     }

  2230. }

  2231. 

  2232. static inline void RENAME(palToY)(uint8_t *dst, uint8_t *src, long width, uint32_t *pal)

  2233. {

  2234.     int i;

  2235.     for (i=0; i<width; i++)

  2236.     {

  2237.         int d= src[i];

  2238. 

  2239.         dst[i]= pal[d] & 0xFF;

  2240.     }

  2241. }

  2242. 

  2243. static inline void RENAME(palToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *pal)

  2244. {

  2245.     int i;

  2246.     assert(src1 == src2);

  2247.     for (i=0; i<width; i++)

  2248.     {

  2249.         int p= pal[src1[i]];

  2250. 

  2251.         dstU[i]= p>>8;

  2252.         dstV[i]= p>>16;

  2253.     }

  2254. }

  2255. 

  2256. // bilinear / bicubic scaling

  2257. static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW, int xInc,

  2258.                                   int16_t *filter, int16_t *filterPos, long filterSize)

  2259. {

  2260. #ifdef HAVE_MMX

  2261.     assert(filterSize % 4 == 0 && filterSize>0);

  2262.     if (filterSize==4) // Always true for upscaling, sometimes for down, too.

  2263.     {

  2264.         long counter= -2*dstW;

  2265.         filter-= counter*2;

  2266.         filterPos-= counter/2;

  2267.         dst-= counter/2;

  2268.         asm volatile(

  2269. #if defined(PIC)

  2270.         "push            %%"REG_b"              \n\t"

  2271. #endif

  2272.         "pxor                %%mm7, %%mm7       \n\t"

  2273.         "movq        "MANGLE(w02)", %%mm6       \n\t"

  2274.         "push           %%"REG_BP"              \n\t" // we use 7 regs here ...

  2275.         "mov             %%"REG_a", %%"REG_BP"  \n\t"

  2276.         ASMALIGN(4)

  2277.         "1:                                     \n\t"

  2278.         "movzwl   (%2, %%"REG_BP"), %%eax       \n\t"

  2279.         "movzwl  2(%2, %%"REG_BP"), %%ebx       \n\t"

  2280.         "movq  (%1, %%"REG_BP", 4), %%mm1       \n\t"

  2281.         "movq 8(%1, %%"REG_BP", 4), %%mm3       \n\t"

  2282.         "movd      (%3, %%"REG_a"), %%mm0       \n\t"

  2283.         "movd      (%3, %%"REG_b"), %%mm2       \n\t"

  2284.         "punpcklbw           %%mm7, %%mm0       \n\t"

  2285.         "punpcklbw           %%mm7, %%mm2       \n\t"

  2286.         "pmaddwd             %%mm1, %%mm0       \n\t"

  2287.         "pmaddwd             %%mm2, %%mm3       \n\t"

  2288.         "psrad                  $8, %%mm0       \n\t"

  2289.         "psrad                  $8, %%mm3       \n\t"

  2290.         "packssdw            %%mm3, %%mm0       \n\t"

  2291.         "pmaddwd             %%mm6, %%mm0       \n\t"

  2292.         "packssdw            %%mm0, %%mm0       \n\t"

  2293.         "movd                %%mm0, (%4, %%"REG_BP")    \n\t"

  2294.         "add                    $4, %%"REG_BP"  \n\t"

  2295.         " jnc                   1b              \n\t"

  2296. 

  2297.         "pop            %%"REG_BP"              \n\t"

  2298. #if defined(PIC)

  2299.         "pop             %%"REG_b"              \n\t"

  2300. #endif

  2301.         : "+a" (counter)

  2302.         : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)

  2303. #if !defined(PIC)

  2304.         : "%"REG_b

  2305. #endif

  2306.         );

  2307.     }

  2308.     else if (filterSize==8)

  2309.     {

  2310.         long counter= -2*dstW;

  2311.         filter-= counter*4;

  2312.         filterPos-= counter/2;

  2313.         dst-= counter/2;

  2314.         asm volatile(

  2315. #if defined(PIC)

  2316.         "push             %%"REG_b"             \n\t"

  2317. #endif

  2318.         "pxor                 %%mm7, %%mm7      \n\t"

  2319.         "movq         "MANGLE(w02)", %%mm6      \n\t"

  2320.         "push            %%"REG_BP"             \n\t" // we use 7 regs here ...

  2321.         "mov              %%"REG_a", %%"REG_BP" \n\t"

  2322.         ASMALIGN(4)

  2323.         "1:                                     \n\t"

  2324.         "movzwl    (%2, %%"REG_BP"), %%eax      \n\t"

  2325.         "movzwl   2(%2, %%"REG_BP"), %%ebx      \n\t"

  2326.         "movq   (%1, %%"REG_BP", 8), %%mm1      \n\t"

  2327.         "movq 16(%1, %%"REG_BP", 8), %%mm3      \n\t"

  2328.         "movd       (%3, %%"REG_a"), %%mm0      \n\t"

  2329.         "movd       (%3, %%"REG_b"), %%mm2      \n\t"

  2330.         "punpcklbw            %%mm7, %%mm0      \n\t"

  2331.         "punpcklbw            %%mm7, %%mm2      \n\t"

  2332.         "pmaddwd              %%mm1, %%mm0      \n\t"

  2333.         "pmaddwd              %%mm2, %%mm3      \n\t"

  2334. 

  2335.         "movq  8(%1, %%"REG_BP", 8), %%mm1      \n\t"

  2336.         "movq 24(%1, %%"REG_BP", 8), %%mm5      \n\t"

  2337.         "movd      4(%3, %%"REG_a"), %%mm4      \n\t"

  2338.         "movd      4(%3, %%"REG_b"), %%mm2      \n\t"

  2339.         "punpcklbw            %%mm7, %%mm4      \n\t"

  2340.         "punpcklbw            %%mm7, %%mm2      \n\t"

  2341.         "pmaddwd              %%mm1, %%mm4      \n\t"

  2342.         "pmaddwd              %%mm2, %%mm5      \n\t"

  2343.         "paddd                %%mm4, %%mm0      \n\t"

  2344.         "paddd                %%mm5, %%mm3      \n\t"

  2345. 

  2346.         "psrad                   $8, %%mm0      \n\t"

  2347.         "psrad                   $8, %%mm3      \n\t"

  2348.         "packssdw             %%mm3, %%mm0      \n\t"

  2349.         "pmaddwd              %%mm6, %%mm0      \n\t"

  2350.         "packssdw             %%mm0, %%mm0      \n\t"

  2351.         "movd                 %%mm0, (%4, %%"REG_BP")   \n\t"

  2352.         "add                     $4, %%"REG_BP" \n\t"

  2353.         " jnc                    1b             \n\t"

  2354. 

  2355.         "pop             %%"REG_BP"             \n\t"

  2356. #if defined(PIC)

  2357.         "pop              %%"REG_b"             \n\t"

  2358. #endif

  2359.         : "+a" (counter)

  2360.         : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)

  2361. #if !defined(PIC)

  2362.         : "%"REG_b

  2363. #endif

  2364.         );

  2365.     }

  2366.     else

  2367.     {

  2368.         uint8_t *offset = src+filterSize;

  2369.         long counter= -2*dstW;

  2370.         //filter-= counter*filterSize/2;

  2371.         filterPos-= counter/2;

  2372.         dst-= counter/2;

  2373.         asm volatile(

  2374.         "pxor                  %%mm7, %%mm7     \n\t"

  2375.         "movq          "MANGLE(w02)", %%mm6     \n\t"

  2376.         ASMALIGN(4)

  2377.         "1:                                     \n\t"

  2378.         "mov                      %2, %%"REG_c" \n\t"

  2379.         "movzwl      (%%"REG_c", %0), %%eax     \n\t"

  2380.         "movzwl     2(%%"REG_c", %0), %%edx     \n\t"

  2381.         "mov                      %5, %%"REG_c" \n\t"

  2382.         "pxor                  %%mm4, %%mm4     \n\t"

  2383.         "pxor                  %%mm5, %%mm5     \n\t"

  2384.         "2:                                     \n\t"

  2385.         "movq                   (%1), %%mm1     \n\t"

  2386.         "movq               (%1, %6), %%mm3     \n\t"

  2387.         "movd (%%"REG_c", %%"REG_a"), %%mm0     \n\t"

  2388.         "movd (%%"REG_c", %%"REG_d"), %%mm2     \n\t"

  2389.         "punpcklbw             %%mm7, %%mm0     \n\t"

  2390.         "punpcklbw             %%mm7, %%mm2     \n\t"

  2391.         "pmaddwd               %%mm1, %%mm0     \n\t"

  2392.         "pmaddwd               %%mm2, %%mm3     \n\t"

  2393.         "paddd                 %%mm3, %%mm5     \n\t"

  2394.         "paddd                 %%mm0, %%mm4     \n\t"

  2395.         "add                      $8, %1        \n\t"

  2396.         "add                      $4, %%"REG_c" \n\t"

  2397.         "cmp                      %4, %%"REG_c" \n\t"

  2398.         " jb                      2b            \n\t"

  2399.         "add                      %6, %1        \n\t"

  2400.         "psrad                    $8, %%mm4     \n\t"

  2401.         "psrad                    $8, %%mm5     \n\t"

  2402.         "packssdw              %%mm5, %%mm4     \n\t"

  2403.         "pmaddwd               %%mm6, %%mm4     \n\t"

  2404.         "packssdw              %%mm4, %%mm4     \n\t"

  2405.         "mov                      %3, %%"REG_a" \n\t"

  2406.         "movd                  %%mm4, (%%"REG_a", %0)   \n\t"

  2407.         "add                      $4, %0        \n\t"

  2408.         " jnc                     1b            \n\t"

  2409. 

  2410.         : "+r" (counter), "+r" (filter)

  2411.         : "m" (filterPos), "m" (dst), "m"(offset),

  2412.           "m" (src), "r" (filterSize*2)

  2413.         : "%"REG_a, "%"REG_c, "%"REG_d

  2414.         );

  2415.     }

  2416. #else

  2417. #ifdef HAVE_ALTIVEC

  2418.     hScale_altivec_real(dst, dstW, src, srcW, xInc, filter, filterPos, filterSize);

  2419. #else

  2420.     int i;

  2421.     for (i=0; i<dstW; i++)

  2422.     {

  2423.         int j;

  2424.         int srcPos= filterPos[i];

  2425.         int val=0;

  2426.         //printf("filterPos: %d\n", filterPos[i]);

  2427.         for (j=0; j<filterSize; j++)

  2428.         {

  2429.             //printf("filter: %d, src: %d\n", filter[i], src[srcPos + j]);

  2430.             val += ((int)src[srcPos + j])*filter[filterSize*i + j];

  2431.         }

  2432.         //filter += hFilterSize;

  2433.         dst[i] = av_clip(val>>7, 0, (1<<15)-1); // the cubic equation does overflow ...

  2434.         //dst[i] = val>>7;

  2435.     }

  2436. #endif /* HAVE_ALTIVEC */

  2437. #endif /* HAVE_MMX */

  2438. }

  2439.       // *** horizontal scale Y line to temp buffer

  2440. static inline void RENAME(hyscale)(SwsContext *c, uint16_t *dst, long dstWidth, uint8_t *src, int srcW, int xInc,

  2441.                                    int flags, int canMMX2BeUsed, int16_t *hLumFilter,

  2442.                                    int16_t *hLumFilterPos, int hLumFilterSize, void *funnyYCode,

  2443.                                    int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,

  2444.                                    int32_t *mmx2FilterPos, uint8_t *pal)

  2445. {

  2446.     if (srcFormat==PIX_FMT_YUYV422 || srcFormat==PIX_FMT_GRAY16BE)

  2447.     {

  2448.         RENAME(yuy2ToY)(formatConvBuffer, src, srcW);

  2449.         src= formatConvBuffer;

  2450.     }

  2451.     else if (srcFormat==PIX_FMT_UYVY422 || srcFormat==PIX_FMT_GRAY16LE)

  2452.     {

  2453.         RENAME(uyvyToY)(formatConvBuffer, src, srcW);

  2454.         src= formatConvBuffer;

  2455.     }

  2456.     else if (srcFormat==PIX_FMT_RGB32)

  2457.     {

  2458.         RENAME(bgr32ToY)(formatConvBuffer, src, srcW);

  2459.         src= formatConvBuffer;

  2460.     }

  2461.     else if (srcFormat==PIX_FMT_RGB32_1)

  2462.     {

  2463.         RENAME(bgr32ToY)(formatConvBuffer, src+ALT32_CORR, srcW);

  2464.         src= formatConvBuffer;

  2465.     }

  2466.     else if (srcFormat==PIX_FMT_BGR24)

  2467.     {

  2468.         RENAME(bgr24ToY)(formatConvBuffer, src, srcW);

  2469.         src= formatConvBuffer;

  2470.     }

  2471.     else if (srcFormat==PIX_FMT_BGR565)

  2472.     {

  2473.         RENAME(bgr16ToY)(formatConvBuffer, src, srcW);

  2474.         src= formatConvBuffer;

  2475.     }

  2476.     else if (srcFormat==PIX_FMT_BGR555)

  2477.     {

  2478.         RENAME(bgr15ToY)(formatConvBuffer, src, srcW);

  2479.         src= formatConvBuffer;

  2480.     }

  2481.     else if (srcFormat==PIX_FMT_BGR32)

  2482.     {

  2483.         RENAME(rgb32ToY)(formatConvBuffer, src, srcW);

  2484.         src= formatConvBuffer;

  2485.     }

  2486.     else if (srcFormat==PIX_FMT_BGR32_1)

  2487.     {

  2488.         RENAME(rgb32ToY)(formatConvBuffer, src+ALT32_CORR, srcW);

  2489.         src= formatConvBuffer;

  2490.     }

  2491.     else if (srcFormat==PIX_FMT_RGB24)

  2492.     {

  2493.         RENAME(rgb24ToY)(formatConvBuffer, src, srcW);

  2494.         src= formatConvBuffer;

  2495.     }

  2496.     else if (srcFormat==PIX_FMT_RGB565)

  2497.     {

  2498.         RENAME(rgb16ToY)(formatConvBuffer, src, srcW);

  2499.         src= formatConvBuffer;

  2500.     }

  2501.     else if (srcFormat==PIX_FMT_RGB555)

  2502.     {

  2503.         RENAME(rgb15ToY)(formatConvBuffer, src, srcW);

  2504.         src= formatConvBuffer;

  2505.     }

  2506.     else if (srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE  || srcFormat==PIX_FMT_RGB4_BYTE)

  2507.     {

  2508.         RENAME(palToY)(formatConvBuffer, src, srcW, (uint32_t*)pal);

  2509.         src= formatConvBuffer;

  2510.     }

  2511. 

  2512. #ifdef HAVE_MMX

  2513.     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).

  2514.     if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))

  2515. #else

  2516.     if (!(flags&SWS_FAST_BILINEAR))

  2517. #endif

  2518.     {

  2519.         RENAME(hScale)(dst, dstWidth, src, srcW, xInc, hLumFilter, hLumFilterPos, hLumFilterSize);

  2520.     }

  2521.     else // fast bilinear upscale / crap downscale

  2522.     {

  2523. #if defined(ARCH_X86)

  2524. #ifdef HAVE_MMX2

  2525.         int i;

  2526. #if defined(PIC)

  2527.         uint64_t ebxsave __attribute__((aligned(8)));

  2528. #endif

  2529.         if (canMMX2BeUsed)

  2530.         {

  2531.             asm volatile(

  2532. #if defined(PIC)

  2533.             "mov               %%"REG_b", %5        \n\t"

  2534. #endif

  2535.             "pxor                  %%mm7, %%mm7     \n\t"

  2536.             "mov                      %0, %%"REG_c" \n\t"

  2537.             "mov                      %1, %%"REG_D" \n\t"

  2538.             "mov                      %2, %%"REG_d" \n\t"

  2539.             "mov                      %3, %%"REG_b" \n\t"

  2540.             "xor               %%"REG_a", %%"REG_a" \n\t" // i

  2541.             PREFETCH"        (%%"REG_c")            \n\t"

  2542.             PREFETCH"      32(%%"REG_c")            \n\t"

  2543.             PREFETCH"      64(%%"REG_c")            \n\t"

  2544. 

  2545. #ifdef ARCH_X86_64

  2546. 

  2547. #define FUNNY_Y_CODE \

  2548.             "movl            (%%"REG_b"), %%esi     \n\t"\

  2549.             "call                    *%4            \n\t"\

  2550.             "movl (%%"REG_b", %%"REG_a"), %%esi     \n\t"\

  2551.             "add               %%"REG_S", %%"REG_c" \n\t"\

  2552.             "add               %%"REG_a", %%"REG_D" \n\t"\

  2553.             "xor               %%"REG_a", %%"REG_a" \n\t"\

  2554. 

  2555. #else

  2556. 

  2557. #define FUNNY_Y_CODE \

  2558.             "movl (%%"REG_b"), %%esi        \n\t"\

  2559.             "call         *%4                       \n\t"\

  2560.             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\

  2561.             "add               %%"REG_a", %%"REG_D" \n\t"\

  2562.             "xor               %%"REG_a", %%"REG_a" \n\t"\

  2563. 

  2564. #endif /* ARCH_X86_64 */

  2565. 

  2566. FUNNY_Y_CODE

  2567. FUNNY_Y_CODE

  2568. FUNNY_Y_CODE

  2569. FUNNY_Y_CODE

  2570. FUNNY_Y_CODE

  2571. FUNNY_Y_CODE

  2572. FUNNY_Y_CODE

  2573. FUNNY_Y_CODE

  2574. 

  2575. #if defined(PIC)

  2576.             "mov                      %5, %%"REG_b" \n\t"

  2577. #endif

  2578.             :: "m" (src), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),

  2579.             "m" (funnyYCode)

  2580. #if defined(PIC)

  2581.             ,"m" (ebxsave)

  2582. #endif

  2583.             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D

  2584. #if !defined(PIC)

  2585.             ,"%"REG_b

  2586. #endif

  2587.             );

  2588.             for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128;

  2589.         }

  2590.         else

  2591.         {

  2592. #endif /* HAVE_MMX2 */

  2593.         long xInc_shr16 = xInc >> 16;

  2594.         uint16_t xInc_mask = xInc & 0xffff;

  2595.         //NO MMX just normal asm ...

  2596.         asm volatile(

  2597.         "xor %%"REG_a", %%"REG_a"            \n\t" // i

  2598.         "xor %%"REG_d", %%"REG_d"            \n\t" // xx

  2599.         "xorl    %%ecx, %%ecx                \n\t" // 2*xalpha

  2600.         ASMALIGN(4)

  2601.         "1:                                  \n\t"

  2602.         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]

  2603.         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]

  2604.         "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]

  2605.         "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha

  2606.         "shll      $16, %%edi                \n\t"

  2607.         "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)

  2608.         "mov        %1, %%"REG_D"            \n\t"

  2609.         "shrl       $9, %%esi                \n\t"

  2610.         "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"

  2611.         "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF

  2612.         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry

  2613. 

  2614.         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]

  2615.         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]

  2616.         "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]

  2617.         "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha

  2618.         "shll      $16, %%edi                \n\t"

  2619.         "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)

  2620.         "mov        %1, %%"REG_D"            \n\t"

  2621.         "shrl       $9, %%esi                \n\t"

  2622.         "movw     %%si, 2(%%"REG_D", %%"REG_a", 2)  \n\t"

  2623.         "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF

  2624.         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry

  2625. 

  2626. 

  2627.         "add        $2, %%"REG_a"            \n\t"

  2628.         "cmp        %2, %%"REG_a"            \n\t"

  2629.         " jb        1b                       \n\t"

  2630. 

  2631. 

  2632.         :: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask)

  2633.         : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"

  2634.         );

  2635. #ifdef HAVE_MMX2

  2636.         } //if MMX2 can't be used

  2637. #endif

  2638. #else

  2639.         int i;

  2640.         unsigned int xpos=0;

  2641.         for (i=0;i<dstWidth;i++)

  2642.         {

  2643.             register unsigned int xx=xpos>>16;

  2644.             register unsigned int xalpha=(xpos&0xFFFF)>>9;

  2645.             dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha;

  2646.             xpos+=xInc;

  2647.         }

  2648. #endif /* defined(ARCH_X86) */

  2649.     }

  2650. 

  2651.     if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){

  2652.         int i;

  2653.         //FIXME all pal and rgb srcFormats could do this convertion as well

  2654.         //FIXME all scalers more complex than bilinear could do half of this transform

  2655.         if(c->srcRange){

  2656.             for (i=0; i<dstWidth; i++)

  2657.                 dst[i]= (dst[i]*14071 + 33561947)>>14;

  2658.         }else{

  2659.             for (i=0; i<dstWidth; i++)

  2660.                 dst[i]= (FFMIN(dst[i],30189)*19077 - 39057361)>>14;

  2661.         }

  2662.     }

  2663. }

  2664. 

  2665. inline static void RENAME(hcscale)(SwsContext *c, uint16_t *dst, long dstWidth, uint8_t *src1, uint8_t *src2,

  2666.                                    int srcW, int xInc, int flags, int canMMX2BeUsed, int16_t *hChrFilter,

  2667.                                    int16_t *hChrFilterPos, int hChrFilterSize, void *funnyUVCode,

  2668.                                    int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,

  2669.                                    int32_t *mmx2FilterPos, uint8_t *pal)

  2670. {

  2671.     if (srcFormat==PIX_FMT_YUYV422)

  2672.     {

  2673.         RENAME(yuy2ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);

  2674.         src1= formatConvBuffer;

  2675.         src2= formatConvBuffer+VOFW;

  2676.     }

  2677.     else if (srcFormat==PIX_FMT_UYVY422)

  2678.     {

  2679.         RENAME(uyvyToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);

  2680.         src1= formatConvBuffer;

  2681.         src2= formatConvBuffer+VOFW;

  2682.     }

  2683.     else if (srcFormat==PIX_FMT_RGB32)

  2684.     {

  2685.         RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);

  2686.         src1= formatConvBuffer;

  2687.         src2= formatConvBuffer+VOFW;

  2688.     }

  2689.     else if (srcFormat==PIX_FMT_RGB32_1)

  2690.     {

  2691.         RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);

  2692.         src1= formatConvBuffer;

  2693.         src2= formatConvBuffer+VOFW;

  2694.     }

  2695.     else if (srcFormat==PIX_FMT_BGR24)

  2696.     {

  2697.         RENAME(bgr24ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);

  2698.         src1= formatConvBuffer;

  2699.         src2= formatConvBuffer+VOFW;

  2700.     }

  2701.     else if (srcFormat==PIX_FMT_BGR565)

  2702.     {

  2703.         RENAME(bgr16ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);

  2704.         src1= formatConvBuffer;

  2705.         src2= formatConvBuffer+VOFW;

  2706.     }

  2707.     else if (srcFormat==PIX_FMT_BGR555)

  2708.     {

  2709.         RENAME(bgr15ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);

  2710.         src1= formatConvBuffer;

  2711.         src2= formatConvBuffer+VOFW;

  2712.     }

  2713.     else if (srcFormat==PIX_FMT_BGR32)

  2714.     {

  2715.         RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);

  2716.         src1= formatConvBuffer;

  2717.         src2= formatConvBuffer+VOFW;

  2718.     }

  2719.     else if (srcFormat==PIX_FMT_BGR32_1)

  2720.     {

  2721.         RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);

  2722.         src1= formatConvBuffer;

  2723.         src2= formatConvBuffer+VOFW;

  2724.     }

  2725.     else if (srcFormat==PIX_FMT_RGB24)

  2726.     {

  2727.         RENAME(rgb24ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);

  2728.         src1= formatConvBuffer;

  2729.         src2= formatConvBuffer+VOFW;

  2730.     }

  2731.     else if (srcFormat==PIX_FMT_RGB565)

  2732.     {

  2733.         RENAME(rgb16ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);

  2734.         src1= formatConvBuffer;

  2735.         src2= formatConvBuffer+VOFW;

  2736.     }

  2737.     else if (srcFormat==PIX_FMT_RGB555)

  2738.     {

  2739.         RENAME(rgb15ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);

  2740.         src1= formatConvBuffer;

  2741.         src2= formatConvBuffer+VOFW;

  2742.     }

  2743.     else if (isGray(srcFormat))

  2744.     {

  2745.         return;

  2746.     }

  2747.     else if (srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE  || srcFormat==PIX_FMT_RGB4_BYTE)

  2748.     {

  2749.         RENAME(palToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, (uint32_t*)pal);

  2750.         src1= formatConvBuffer;

  2751.         src2= formatConvBuffer+VOFW;

  2752.     }

  2753. 

  2754. #ifdef HAVE_MMX

  2755.     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).

  2756.     if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))

  2757. #else

  2758.     if (!(flags&SWS_FAST_BILINEAR))

  2759. #endif

  2760.     {

  2761.         RENAME(hScale)(dst     , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);

  2762.         RENAME(hScale)(dst+VOFW, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);

  2763.     }

  2764.     else // fast bilinear upscale / crap downscale

  2765.     {

  2766. #if defined(ARCH_X86)

  2767. #ifdef HAVE_MMX2

  2768.         int i;

  2769. #if defined(PIC)

  2770.         uint64_t ebxsave __attribute__((aligned(8)));

  2771. #endif

  2772.         if (canMMX2BeUsed)

  2773.         {

  2774.             asm volatile(

  2775. #if defined(PIC)

  2776.             "mov          %%"REG_b", %6         \n\t"

  2777. #endif

  2778.             "pxor             %%mm7, %%mm7      \n\t"

  2779.             "mov                 %0, %%"REG_c"  \n\t"

  2780.             "mov                 %1, %%"REG_D"  \n\t"

  2781.             "mov                 %2, %%"REG_d"  \n\t"

  2782.             "mov                 %3, %%"REG_b"  \n\t"

  2783.             "xor          %%"REG_a", %%"REG_a"  \n\t" // i

  2784.             PREFETCH"   (%%"REG_c")             \n\t"

  2785.             PREFETCH" 32(%%"REG_c")             \n\t"

  2786.             PREFETCH" 64(%%"REG_c")             \n\t"

  2787. 

  2788. #ifdef ARCH_X86_64

  2789. 

  2790. #define FUNNY_UV_CODE \

  2791.             "movl       (%%"REG_b"), %%esi      \n\t"\

  2792.             "call               *%4             \n\t"\

  2793.             "movl (%%"REG_b", %%"REG_a"), %%esi \n\t"\

  2794.             "add          %%"REG_S", %%"REG_c"  \n\t"\

  2795.             "add          %%"REG_a", %%"REG_D"  \n\t"\

  2796.             "xor          %%"REG_a", %%"REG_a"  \n\t"\

  2797. 

  2798. #else

  2799. 

  2800. #define FUNNY_UV_CODE \

  2801.             "movl       (%%"REG_b"), %%esi      \n\t"\

  2802.             "call               *%4             \n\t"\

  2803.             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\

  2804.             "add          %%"REG_a", %%"REG_D"  \n\t"\

  2805.             "xor          %%"REG_a", %%"REG_a"  \n\t"\

  2806. 

  2807. #endif /* ARCH_X86_64 */

  2808. 

  2809. FUNNY_UV_CODE

  2810. FUNNY_UV_CODE

  2811. FUNNY_UV_CODE

  2812. FUNNY_UV_CODE

  2813.             "xor          %%"REG_a", %%"REG_a"  \n\t" // i

  2814.             "mov                 %5, %%"REG_c"  \n\t" // src

  2815.             "mov                 %1, %%"REG_D"  \n\t" // buf1

  2816.             "add              $"AV_STRINGIFY(VOF)", %%"REG_D"  \n\t"

  2817.             PREFETCH"   (%%"REG_c")             \n\t"

  2818.             PREFETCH" 32(%%"REG_c")             \n\t"

  2819.             PREFETCH" 64(%%"REG_c")             \n\t"

  2820. 

  2821. FUNNY_UV_CODE

  2822. FUNNY_UV_CODE

  2823. FUNNY_UV_CODE

  2824. FUNNY_UV_CODE

  2825. 

  2826. #if defined(PIC)

  2827.             "mov %6, %%"REG_b"    \n\t"

  2828. #endif

  2829.             :: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),

  2830.             "m" (funnyUVCode), "m" (src2)

  2831. #if defined(PIC)

  2832.             ,"m" (ebxsave)

  2833. #endif

  2834.             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D

  2835. #if !defined(PIC)

  2836.              ,"%"REG_b

  2837. #endif

  2838.             );

  2839.             for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)

  2840.             {

  2841.                 //printf("%d %d %d\n", dstWidth, i, srcW);

  2842.                 dst[i] = src1[srcW-1]*128;

  2843.                 dst[i+VOFW] = src2[srcW-1]*128;

  2844.             }

  2845.         }

  2846.         else

  2847.         {

  2848. #endif /* HAVE_MMX2 */

  2849.             long xInc_shr16 = (long) (xInc >> 16);

  2850.             uint16_t xInc_mask = xInc & 0xffff;

  2851.             asm volatile(

  2852.             "xor %%"REG_a", %%"REG_a"               \n\t" // i

  2853.             "xor %%"REG_d", %%"REG_d"               \n\t" // xx

  2854.             "xorl    %%ecx, %%ecx                   \n\t" // 2*xalpha

  2855.             ASMALIGN(4)

  2856.             "1:                                     \n\t"

  2857.             "mov        %0, %%"REG_S"               \n\t"

  2858.             "movzbl  (%%"REG_S", %%"REG_d"), %%edi  \n\t" //src[xx]

  2859.             "movzbl 1(%%"REG_S", %%"REG_d"), %%esi  \n\t" //src[xx+1]

  2860.             "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]

  2861.             "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha

  2862.             "shll      $16, %%edi                   \n\t"

  2863.             "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)

  2864.             "mov        %1, %%"REG_D"               \n\t"

  2865.             "shrl       $9, %%esi                   \n\t"

  2866.             "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"

  2867. 

  2868.             "movzbl    (%5, %%"REG_d"), %%edi       \n\t" //src[xx]

  2869.             "movzbl   1(%5, %%"REG_d"), %%esi       \n\t" //src[xx+1]

  2870.             "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]

  2871.             "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha

  2872.             "shll      $16, %%edi                   \n\t"

  2873.             "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)

  2874.             "mov        %1, %%"REG_D"               \n\t"

  2875.             "shrl       $9, %%esi                   \n\t"

  2876.             "movw     %%si, "AV_STRINGIFY(VOF)"(%%"REG_D", %%"REG_a", 2)   \n\t"

  2877. 

  2878.             "addw       %4, %%cx                    \n\t" //2*xalpha += xInc&0xFF

  2879.             "adc        %3, %%"REG_d"               \n\t" //xx+= xInc>>8 + carry

  2880.             "add        $1, %%"REG_a"               \n\t"

  2881.             "cmp        %2, %%"REG_a"               \n\t"

  2882.             " jb        1b                          \n\t"

  2883. 

  2884. /* GCC 3.3 makes MPlayer crash on IA-32 machines when using "g" operand here,

  2885.    which is needed to support GCC 4.0. */

  2886. #if defined(ARCH_X86_64) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))

  2887.             :: "m" (src1), "m" (dst), "g" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),

  2888. #else

  2889.             :: "m" (src1), "m" (dst), "m" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),

  2890. #endif

  2891.             "r" (src2)

  2892.             : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"

  2893.             );

  2894. #ifdef HAVE_MMX2

  2895.         } //if MMX2 can't be used

  2896. #endif

  2897. #else

  2898.         int i;

  2899.         unsigned int xpos=0;

  2900.         for (i=0;i<dstWidth;i++)

  2901.         {

  2902.             register unsigned int xx=xpos>>16;

  2903.             register unsigned int xalpha=(xpos&0xFFFF)>>9;

  2904.             dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);

  2905.             dst[i+VOFW]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);

  2906.             /* slower

  2907.             dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha;

  2908.             dst[i+VOFW]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha;

  2909.             */

  2910.             xpos+=xInc;

  2911.         }

  2912. #endif /* defined(ARCH_X86) */

  2913.     }

  2914.     if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){

  2915.         int i;

  2916.         //FIXME all pal and rgb srcFormats could do this convertion as well

  2917.         //FIXME all scalers more complex than bilinear could do half of this transform

  2918.         if(c->srcRange){

  2919.             for (i=0; i<dstWidth; i++){

  2920.                 dst[i     ]= (dst[i     ]*1799 + 4081085)>>11; //1469

  2921.                 dst[i+VOFW]= (dst[i+VOFW]*1799 + 4081085)>>11; //1469

  2922.             }

  2923.         }else{

  2924.             for (i=0; i<dstWidth; i++){

  2925.                 dst[i     ]= (FFMIN(dst[i     ],30775)*4663 - 9289992)>>12; //-264

  2926.                 dst[i+VOFW]= (FFMIN(dst[i+VOFW],30775)*4663 - 9289992)>>12; //-264

  2927.             }

  2928.         }

  2929.     }

  2930. }

  2931. 

  2932. static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,

  2933.                            int srcSliceH, uint8_t* dst[], int dstStride[]){

  2934. 

  2935.     /* load a few things into local vars to make the code more readable? and faster */

  2936.     const int srcW= c->srcW;

  2937.     const int dstW= c->dstW;

  2938.     const int dstH= c->dstH;

  2939.     const int chrDstW= c->chrDstW;

  2940.     const int chrSrcW= c->chrSrcW;

  2941.     const int lumXInc= c->lumXInc;

  2942.     const int chrXInc= c->chrXInc;

  2943.     const int dstFormat= c->dstFormat;

  2944.     const int srcFormat= c->srcFormat;

  2945.     const int flags= c->flags;

  2946.     const int canMMX2BeUsed= c->canMMX2BeUsed;

  2947.     int16_t *vLumFilterPos= c->vLumFilterPos;

  2948.     int16_t *vChrFilterPos= c->vChrFilterPos;

  2949.     int16_t *hLumFilterPos= c->hLumFilterPos;

  2950.     int16_t *hChrFilterPos= c->hChrFilterPos;

  2951.     int16_t *vLumFilter= c->vLumFilter;

  2952.     int16_t *vChrFilter= c->vChrFilter;

  2953.     int16_t *hLumFilter= c->hLumFilter;

  2954.     int16_t *hChrFilter= c->hChrFilter;

  2955.     int32_t *lumMmxFilter= c->lumMmxFilter;

  2956.     int32_t *chrMmxFilter= c->chrMmxFilter;

  2957.     const int vLumFilterSize= c->vLumFilterSize;

  2958.     const int vChrFilterSize= c->vChrFilterSize;

  2959.     const int hLumFilterSize= c->hLumFilterSize;

  2960.     const int hChrFilterSize= c->hChrFilterSize;

  2961.     int16_t **lumPixBuf= c->lumPixBuf;

  2962.     int16_t **chrPixBuf= c->chrPixBuf;

  2963.     const int vLumBufSize= c->vLumBufSize;

  2964.     const int vChrBufSize= c->vChrBufSize;

  2965.     uint8_t *funnyYCode= c->funnyYCode;

  2966.     uint8_t *funnyUVCode= c->funnyUVCode;

  2967.     uint8_t *formatConvBuffer= c->formatConvBuffer;

  2968.     const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;

  2969.     const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);

  2970.     int lastDstY;

  2971.     uint8_t *pal=NULL;

  2972. 

  2973.     /* vars which will change and which we need to store back in the context */

  2974.     int dstY= c->dstY;

  2975.     int lumBufIndex= c->lumBufIndex;

  2976.     int chrBufIndex= c->chrBufIndex;

  2977.     int lastInLumBuf= c->lastInLumBuf;

  2978.     int lastInChrBuf= c->lastInChrBuf;

  2979. 

  2980.     if (isPacked(c->srcFormat)){

  2981.         pal= src[1];

  2982.         src[0]=

  2983.         src[1]=

  2984.         src[2]= src[0];

  2985.         srcStride[0]=

  2986.         srcStride[1]=

  2987.         srcStride[2]= srcStride[0];

  2988.     }

  2989.     srcStride[1]<<= c->vChrDrop;

  2990.     srcStride[2]<<= c->vChrDrop;

  2991. 

  2992.     //printf("swscale %X %X %X -> %X %X %X\n", (int)src[0], (int)src[1], (int)src[2],

  2993.     //       (int)dst[0], (int)dst[1], (int)dst[2]);

  2994. 

  2995. #if 0 //self test FIXME move to a vfilter or something

  2996.     {

  2997.     static volatile int i=0;

  2998.     i++;

  2999.     if (srcFormat==PIX_FMT_YUV420P && i==1 && srcSliceH>= c->srcH)

  3000.         selfTest(src, srcStride, c->srcW, c->srcH);

  3001.     i--;

  3002.     }

  3003. #endif

  3004. 

  3005.     //printf("sws Strides:%d %d %d -> %d %d %d\n", srcStride[0],srcStride[1],srcStride[2],

  3006.     //dstStride[0],dstStride[1],dstStride[2]);

  3007. 

  3008.     if (dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0)

  3009.     {

  3010.         static int firstTime=1; //FIXME move this into the context perhaps

  3011.         if (flags & SWS_PRINT_INFO && firstTime)

  3012.         {

  3013.             av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n"

  3014.                    "         ->cannot do aligned memory accesses anymore\n");

  3015.             firstTime=0;

  3016.         }

  3017.     }

  3018. 

  3019.     /* Note the user might start scaling the picture in the middle so this

  3020.        will not get executed. This is not really intended but works

  3021.        currently, so people might do it. */

  3022.     if (srcSliceY ==0){

  3023.         lumBufIndex=0;

  3024.         chrBufIndex=0;

  3025.         dstY=0;

  3026.         lastInLumBuf= -1;

  3027.         lastInChrBuf= -1;

  3028.     }

  3029. 

  3030.     lastDstY= dstY;

  3031. 

  3032.     for (;dstY < dstH; dstY++){

  3033.         unsigned char *dest =dst[0]+dstStride[0]*dstY;

  3034.         const int chrDstY= dstY>>c->chrDstVSubSample;

  3035.         unsigned char *uDest=dst[1]+dstStride[1]*chrDstY;

  3036.         unsigned char *vDest=dst[2]+dstStride[2]*chrDstY;

  3037. 

  3038.         const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input

  3039.         const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input

  3040.         const int lastLumSrcY= firstLumSrcY + vLumFilterSize -1; // Last line needed as input

  3041.         const int lastChrSrcY= firstChrSrcY + vChrFilterSize -1; // Last line needed as input

  3042. 

  3043.         //printf("dstY:%d dstH:%d firstLumSrcY:%d lastInLumBuf:%d vLumBufSize: %d vChrBufSize: %d slice: %d %d vLumFilterSize: %d firstChrSrcY: %d vChrFilterSize: %d c->chrSrcVSubSample: %d\n",

  3044.         // dstY, dstH, firstLumSrcY, lastInLumBuf, vLumBufSize, vChrBufSize, srcSliceY, srcSliceH, vLumFilterSize, firstChrSrcY, vChrFilterSize,  c->chrSrcVSubSample);

  3045.         //handle holes (FAST_BILINEAR & weird filters)

  3046.         if (firstLumSrcY > lastInLumBuf) lastInLumBuf= firstLumSrcY-1;

  3047.         if (firstChrSrcY > lastInChrBuf) lastInChrBuf= firstChrSrcY-1;

  3048.         //printf("%d %d %d\n", firstChrSrcY, lastInChrBuf, vChrBufSize);

  3049.         assert(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1);

  3050.         assert(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1);

  3051. 

  3052.         // Do we have enough lines in this slice to output the dstY line

  3053.         if (lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample))

  3054.         {

  3055.             //Do horizontal scaling

  3056.             while(lastInLumBuf < lastLumSrcY)

  3057.             {

  3058.                 uint8_t *s= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];

  3059.                 lumBufIndex++;

  3060.                 //printf("%d %d %d %d\n", lumBufIndex, vLumBufSize, lastInLumBuf,  lastLumSrcY);

  3061.                 assert(lumBufIndex < 2*vLumBufSize);

  3062.                 assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);

  3063.                 assert(lastInLumBuf + 1 - srcSliceY >= 0);

  3064.                 //printf("%d %d\n", lumBufIndex, vLumBufSize);

  3065.                 RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,

  3066.                                 flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,

  3067.                                 funnyYCode, c->srcFormat, formatConvBuffer,

  3068.                                 c->lumMmx2Filter, c->lumMmx2FilterPos, pal);

  3069.                 lastInLumBuf++;

  3070.             }

  3071.             while(lastInChrBuf < lastChrSrcY)

  3072.             {

  3073.                 uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];

  3074.                 uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];

  3075.                 chrBufIndex++;

  3076.                 assert(chrBufIndex < 2*vChrBufSize);

  3077.                 assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH));

  3078.                 assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);

  3079.                 //FIXME replace parameters through context struct (some at least)

  3080. 

  3081.                 if (!(isGray(srcFormat) || isGray(dstFormat)))

  3082.                     RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,

  3083.                                     flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,

  3084.                                     funnyUVCode, c->srcFormat, formatConvBuffer,

  3085.                                     c->chrMmx2Filter, c->chrMmx2FilterPos, pal);

  3086.                 lastInChrBuf++;

  3087.             }

  3088.             //wrap buf index around to stay inside the ring buffer

  3089.             if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;

  3090.             if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;

  3091.         }

  3092.         else // not enough lines left in this slice -> load the rest in the buffer

  3093.         {

  3094.             /* printf("%d %d Last:%d %d LastInBuf:%d %d Index:%d %d Y:%d FSize: %d %d BSize: %d %d\n",

  3095.             firstChrSrcY,firstLumSrcY,lastChrSrcY,lastLumSrcY,

  3096.             lastInChrBuf,lastInLumBuf,chrBufIndex,lumBufIndex,dstY,vChrFilterSize,vLumFilterSize,

  3097.             vChrBufSize, vLumBufSize);*/

  3098. 

  3099.             //Do horizontal scaling

  3100.             while(lastInLumBuf+1 < srcSliceY + srcSliceH)

  3101.             {

  3102.                 uint8_t *s= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];

  3103.                 lumBufIndex++;

  3104.                 assert(lumBufIndex < 2*vLumBufSize);

  3105.                 assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);

  3106.                 assert(lastInLumBuf + 1 - srcSliceY >= 0);

  3107.                 RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,

  3108.                                 flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,

  3109.                                 funnyYCode, c->srcFormat, formatConvBuffer,

  3110.                                 c->lumMmx2Filter, c->lumMmx2FilterPos, pal);

  3111.                 lastInLumBuf++;

  3112.             }

  3113.             while(lastInChrBuf+1 < (chrSrcSliceY + chrSrcSliceH))

  3114.             {

  3115.                 uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];

  3116.                 uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];

  3117.                 chrBufIndex++;

  3118.                 assert(chrBufIndex < 2*vChrBufSize);

  3119.                 assert(lastInChrBuf + 1 - chrSrcSliceY < chrSrcSliceH);

  3120.                 assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);

  3121. 

  3122.                 if (!(isGray(srcFormat) || isGray(dstFormat)))

  3123.                     RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,

  3124.                             flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,

  3125.                             funnyUVCode, c->srcFormat, formatConvBuffer,

  3126.                             c->chrMmx2Filter, c->chrMmx2FilterPos, pal);

  3127.                 lastInChrBuf++;

  3128.             }

  3129.             //wrap buf index around to stay inside the ring buffer

  3130.             if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;

  3131.             if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;

  3132.             break; //we can't output a dstY line so let's try with the next slice

  3133.         }

  3134. 

  3135. #ifdef HAVE_MMX

  3136.         b5Dither= ff_dither8[dstY&1];

  3137.         g6Dither= ff_dither4[dstY&1];

  3138.         g5Dither= ff_dither8[dstY&1];

  3139.         r5Dither= ff_dither8[(dstY+1)&1];

  3140. #endif

  3141.         if (dstY < dstH-2)

  3142.         {

  3143.             int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;

  3144.             int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;

  3145. #ifdef HAVE_MMX

  3146.             int i;

  3147.         if (flags & SWS_ACCURATE_RND){

  3148.             int s= APCK_SIZE / 8;

  3149.             for (i=0; i<vLumFilterSize; i+=2){

  3150.                 *(void**)&lumMmxFilter[s*i              ]= lumSrcPtr[i  ];

  3151.                 *(void**)&lumMmxFilter[s*i+APCK_PTR2/4  ]= lumSrcPtr[i+(vLumFilterSize>1)];

  3152.                           lumMmxFilter[s*i+APCK_COEF/4  ]=

  3153.                           lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i    ]

  3154.                     + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);

  3155.             }

  3156.             for (i=0; i<vChrFilterSize; i+=2){

  3157.                 *(void**)&chrMmxFilter[s*i              ]= chrSrcPtr[i  ];

  3158.                 *(void**)&chrMmxFilter[s*i+APCK_PTR2/4  ]= chrSrcPtr[i+(vChrFilterSize>1)];

  3159.                           chrMmxFilter[s*i+APCK_COEF/4  ]=

  3160.                           chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i    ]

  3161.                     + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);

  3162.             }

  3163.         }else{

  3164.             for (i=0; i<vLumFilterSize; i++)

  3165.             {

  3166.                 lumMmxFilter[4*i+0]= (int32_t)lumSrcPtr[i];

  3167.                 lumMmxFilter[4*i+1]= (uint64_t)lumSrcPtr[i] >> 32;

  3168.                 lumMmxFilter[4*i+2]=

  3169.                 lumMmxFilter[4*i+3]=

  3170.                     ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;

  3171.             }

  3172.             for (i=0; i<vChrFilterSize; i++)

  3173.             {

  3174.                 chrMmxFilter[4*i+0]= (int32_t)chrSrcPtr[i];

  3175.                 chrMmxFilter[4*i+1]= (uint64_t)chrSrcPtr[i] >> 32;

  3176.                 chrMmxFilter[4*i+2]=

  3177.                 chrMmxFilter[4*i+3]=

  3178.                     ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;

  3179.             }

  3180.         }

  3181. #endif

  3182.             if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){

  3183.                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;

  3184.                 if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi

  3185.                 RENAME(yuv2nv12X)(c,

  3186.                     vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,

  3187.                     vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  3188.                     dest, uDest, dstW, chrDstW, dstFormat);

  3189.             }

  3190.             else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) //YV12 like

  3191.             {

  3192.                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;

  3193.                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi

  3194.                 if (vLumFilterSize == 1 && vChrFilterSize == 1) // unscaled YV12

  3195.                 {

  3196.                     int16_t *lumBuf = lumPixBuf[0];

  3197.                     int16_t *chrBuf= chrPixBuf[0];

  3198.                     RENAME(yuv2yuv1)(c, lumBuf, chrBuf, dest, uDest, vDest, dstW, chrDstW);

  3199.                 }

  3200.                 else //General YV12

  3201.                 {

  3202.                     RENAME(yuv2yuvX)(c,

  3203.                         vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,

  3204.                         vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  3205.                         dest, uDest, vDest, dstW, chrDstW);

  3206.                 }

  3207.             }

  3208.             else

  3209.             {

  3210.                 assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);

  3211.                 assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);

  3212.                 if (vLumFilterSize == 1 && vChrFilterSize == 2) //unscaled RGB

  3213.                 {

  3214.                     int chrAlpha= vChrFilter[2*dstY+1];

  3215.                     RENAME(yuv2packed1)(c, *lumSrcPtr, *chrSrcPtr, *(chrSrcPtr+1),

  3216.                         dest, dstW, chrAlpha, dstFormat, flags, dstY);

  3217.                 }

  3218.                 else if (vLumFilterSize == 2 && vChrFilterSize == 2) //bilinear upscale RGB

  3219.                 {

  3220.                     int lumAlpha= vLumFilter[2*dstY+1];

  3221.                     int chrAlpha= vChrFilter[2*dstY+1];

  3222.                     lumMmxFilter[2]=

  3223.                     lumMmxFilter[3]= vLumFilter[2*dstY   ]*0x10001;

  3224.                     chrMmxFilter[2]=

  3225.                     chrMmxFilter[3]= vChrFilter[2*chrDstY]*0x10001;

  3226.                     RENAME(yuv2packed2)(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),

  3227.                         dest, dstW, lumAlpha, chrAlpha, dstY);

  3228.                 }

  3229.                 else //general RGB

  3230.                 {

  3231.                     RENAME(yuv2packedX)(c,

  3232.                         vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,

  3233.                         vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  3234.                         dest, dstW, dstY);

  3235.                 }

  3236.             }

  3237.         }

  3238.         else // hmm looks like we can't use MMX here without overwriting this array's tail

  3239.         {

  3240.             int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;

  3241.             int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;

  3242.             if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){

  3243.                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;

  3244.                 if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi

  3245.                 yuv2nv12XinC(

  3246.                     vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,

  3247.                     vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  3248.                     dest, uDest, dstW, chrDstW, dstFormat);

  3249.             }

  3250.             else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) //YV12

  3251.             {

  3252.                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;

  3253.                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi

  3254.                 yuv2yuvXinC(

  3255.                     vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,

  3256.                     vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  3257.                     dest, uDest, vDest, dstW, chrDstW);

  3258.             }

  3259.             else

  3260.             {

  3261.                 assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);

  3262.                 assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);

  3263.                 yuv2packedXinC(c,

  3264.                     vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,

  3265.                     vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  3266.                     dest, dstW, dstY);

  3267.             }

  3268.         }

  3269.     }

  3270. 

  3271. #ifdef HAVE_MMX

  3272.     asm volatile(SFENCE:::"memory");

  3273.     asm volatile(EMMS:::"memory");

  3274. #endif

  3275.     /* store changed local vars back in the context */

  3276.     c->dstY= dstY;

  3277.     c->lumBufIndex= lumBufIndex;

  3278.     c->chrBufIndex= chrBufIndex;

  3279.     c->lastInLumBuf= lastInLumBuf;

  3280.     c->lastInChrBuf= lastInChrBuf;

  3281. 

  3282.     return dstY - lastDstY;

  3283. }