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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. #if HAVE_AMD3DNOW

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

  34. #define EMMS     "femms"

  35. #else

  36. #define EMMS     "emms"

  37. #endif

  38. 

  39. #if HAVE_AMD3DNOW

  40. #define PREFETCH  "prefetch"

  41. #define PREFETCHW "prefetchw"

  42. #elif HAVE_MMX2

  43. #define PREFETCH "prefetchnta"

  44. #define PREFETCHW "prefetcht0"

  45. #else

  46. #define PREFETCH  " # nop"

  47. #define PREFETCHW " # nop"

  48. #endif

  49. 

  50. #if HAVE_MMX2

  51. #define SFENCE "sfence"

  52. #else

  53. #define SFENCE " # nop"

  54. #endif

  55. 

  56. #if HAVE_MMX2

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

  58. #elif HAVE_AMD3DNOW

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

  60. #endif

  61. 

  62. #if 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. #if 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.     "paddsw             %%mm7, %%mm0      \n\t"\

  194.     "paddsw             %%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. 

  389. #define REAL_YSCALEYUV2PACKED(index, c) \

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

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

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

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

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

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

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

  397.     ASMALIGN(4)\

  398.     "1:                                 \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  424. 

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

  426. 

  427. #define REAL_YSCALEYUV2RGB(index, c) \

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

  429.     ASMALIGN(4)\

  430.     "1:                                 \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  492. 

  493. #define REAL_YSCALEYUV2PACKED1(index, c) \

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

  495.     ASMALIGN(4)\

  496.     "1:                                 \n\t"\

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

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

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

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

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

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

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

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

  505. 

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

  507. 

  508. #define REAL_YSCALEYUV2RGB1(index, c) \

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

  510.     ASMALIGN(4)\

  511.     "1:                                 \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  556. 

  557. #define REAL_YSCALEYUV2PACKED1b(index, c) \

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

  559.     ASMALIGN(4)\

  560.     "1:                                 \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

  574. 

  575. // do vertical chrominance interpolation

  576. #define REAL_YSCALEYUV2RGB1b(index, c) \

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

  578.     ASMALIGN(4)\

  579.     "1:                                 \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  628. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  643. \

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

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

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

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

  648. \

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

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

  651.     " jb      1b                \n\t"

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

  653. 

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

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

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

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

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

  659. \

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

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

  662. \

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

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

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

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

  667. \

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

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

  670. \

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

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

  673. \

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

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

  676. \

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

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

  679.     " jb             1b             \n\t"

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

  681. 

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

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

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

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

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

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

  688. \

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

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

  691. \

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

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

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

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

  696. \

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

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

  699. \

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

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

  702. \

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

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

  705. \

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

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

  708.     " jb             1b             \n\t"

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

  710. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  725. \

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

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

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

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

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

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

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

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

  734. \

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

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

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

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

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

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

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

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

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

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

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

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

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

  748. \

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

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

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

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

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

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

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

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

  757. \

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

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

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

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

  762. \

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

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

  765.     " jb          1b                    \n\t"

  766. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  781. \

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

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

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

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

  786. \

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

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

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

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

  791. \

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

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

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

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

  796. \

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

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

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

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

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

  802. \

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

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

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

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

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

  808. \

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

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

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

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

  813. \

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

  815. \

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

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

  818.     " jb          1b            \n\t"

  819. 

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

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

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

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

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

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

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

  827. \

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

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

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

  831. \

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

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

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

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

  836. \

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

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

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

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

  841. \

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

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

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

  845. \

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

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

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

  849. \

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

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

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

  853. \

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

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

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

  857. \

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

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

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

  861. \

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

  863. \

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

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

  866.     " jb       1b               \n\t"

  867. 

  868. #if HAVE_MMX2

  869. #undef WRITEBGR24

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

  871. #else

  872. #undef WRITEBGR24

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

  874. #endif

  875. 

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

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

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

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

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

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

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

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

  884. \

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

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

  887. \

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

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

  890.     " jb          1b            \n\t"

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

  892. 

  893. 

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

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

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

  897. {

  898. #if HAVE_MMX

  899.     if(!(c->flags & SWS_BITEXACT)){

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

  901.             if (uDest){

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

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

  904.             }

  905. 

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

  907.         }else{

  908.             if (uDest){

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

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

  911.             }

  912. 

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

  914.         }

  915.         return;

  916.     }

  917. #endif

  918. #if HAVE_ALTIVEC

  919. yuv2yuvX_altivec_real(lumFilter, lumSrc, lumFilterSize,

  920.                       chrFilter, chrSrc, chrFilterSize,

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

  922. #else //HAVE_ALTIVEC

  923. yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,

  924.             chrFilter, chrSrc, chrFilterSize,

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

  926. #endif //!HAVE_ALTIVEC

  927. }

  928. 

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

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

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

  932. {

  933. yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize,

  934.              chrFilter, chrSrc, chrFilterSize,

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

  936. }

  937. 

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

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

  940. {

  941.     int i;

  942. #if HAVE_MMX

  943.     if(!(c->flags & SWS_BITEXACT)){

  944.         long p= uDest ? 3 : 1;

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

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

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

  948. 

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

  950.             while(p--){

  951.                 __asm__ volatile(

  952.                     YSCALEYUV2YV121_ACCURATE

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

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

  955.                     : "%"REG_a

  956.                 );

  957.             }

  958.         }else{

  959.             while(p--){

  960.                 __asm__ volatile(

  961.                     YSCALEYUV2YV121

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

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

  964.                     : "%"REG_a

  965.                 );

  966.             }

  967.         }

  968.         return;

  969.     }

  970. #endif

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

  972.     {

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

  974. 

  975.         if (val&256){

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

  977.             else       val=255;

  978.         }

  979. 

  980.         dest[i]= val;

  981.     }

  982. 

  983.     if (uDest)

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

  985.         {

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

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

  988. 

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

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

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

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

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

  994.             }

  995. 

  996.             uDest[i]= u;

  997.             vDest[i]= v;

  998.         }

  999. }

  1000. 

  1001. 

  1002. /**

  1003.  * vertical scale YV12 to RGB

  1004.  */

  1005. static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,

  1006.                                        int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,

  1007.                                        uint8_t *dest, long dstW, long dstY)

  1008. {

  1009. #if HAVE_MMX

  1010.     long dummy=0;

  1011.     if(!(c->flags & SWS_BITEXACT)){

  1012.         if (c->flags & SWS_ACCURATE_RND){

  1013.             switch(c->dstFormat){

  1014.             case PIX_FMT_RGB32:

  1015.                 YSCALEYUV2PACKEDX_ACCURATE

  1016.                 YSCALEYUV2RGBX

  1017.                 WRITEBGR32(%4, %5, %%REGa)

  1018. 

  1019.                 YSCALEYUV2PACKEDX_END

  1020.                 return;

  1021.             case PIX_FMT_BGR24:

  1022.                 YSCALEYUV2PACKEDX_ACCURATE

  1023.                 YSCALEYUV2RGBX

  1024.                 "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize

  1025.                 "add %4, %%"REG_c"                        \n\t"

  1026.                 WRITEBGR24(%%REGc, %5, %%REGa)

  1027. 

  1028. 

  1029.                 :: "r" (&c->redDither),

  1030.                 "m" (dummy), "m" (dummy), "m" (dummy),

  1031.                 "r" (dest), "m" (dstW)

  1032.                 : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S

  1033.                 );

  1034.                 return;

  1035.             case PIX_FMT_RGB555:

  1036.                 YSCALEYUV2PACKEDX_ACCURATE

  1037.                 YSCALEYUV2RGBX

  1038.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1039. #ifdef DITHER1XBPP

  1040.                 "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"

  1041.                 "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"

  1042.                 "paddusb "RED_DITHER"(%0), %%mm5\n\t"

  1043. #endif

  1044. 

  1045.                 WRITERGB15(%4, %5, %%REGa)

  1046.                 YSCALEYUV2PACKEDX_END

  1047.                 return;

  1048.             case PIX_FMT_RGB565:

  1049.                 YSCALEYUV2PACKEDX_ACCURATE

  1050.                 YSCALEYUV2RGBX

  1051.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1052. #ifdef DITHER1XBPP

  1053.                 "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"

  1054.                 "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"

  1055.                 "paddusb "RED_DITHER"(%0), %%mm5\n\t"

  1056. #endif

  1057. 

  1058.                 WRITERGB16(%4, %5, %%REGa)

  1059.                 YSCALEYUV2PACKEDX_END

  1060.                 return;

  1061.             case PIX_FMT_YUYV422:

  1062.                 YSCALEYUV2PACKEDX_ACCURATE

  1063.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1064. 

  1065.                 "psraw $3, %%mm3    \n\t"

  1066.                 "psraw $3, %%mm4    \n\t"

  1067.                 "psraw $3, %%mm1    \n\t"

  1068.                 "psraw $3, %%mm7    \n\t"

  1069.                 WRITEYUY2(%4, %5, %%REGa)

  1070.                 YSCALEYUV2PACKEDX_END

  1071.                 return;

  1072.             }

  1073.         }else{

  1074.             switch(c->dstFormat)

  1075.             {

  1076.             case PIX_FMT_RGB32:

  1077.                 YSCALEYUV2PACKEDX

  1078.                 YSCALEYUV2RGBX

  1079.                 WRITEBGR32(%4, %5, %%REGa)

  1080.                 YSCALEYUV2PACKEDX_END

  1081.                 return;

  1082.             case PIX_FMT_BGR24:

  1083.                 YSCALEYUV2PACKEDX

  1084.                 YSCALEYUV2RGBX

  1085.                 "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"   \n\t" //FIXME optimize

  1086.                 "add                        %4, %%"REG_c"   \n\t"

  1087.                 WRITEBGR24(%%REGc, %5, %%REGa)

  1088. 

  1089.                 :: "r" (&c->redDither),

  1090.                 "m" (dummy), "m" (dummy), "m" (dummy),

  1091.                 "r" (dest),  "m" (dstW)

  1092.                 : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S

  1093.                 );

  1094.                 return;

  1095.             case PIX_FMT_RGB555:

  1096.                 YSCALEYUV2PACKEDX

  1097.                 YSCALEYUV2RGBX

  1098.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1099. #ifdef DITHER1XBPP

  1100.                 "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"

  1101.                 "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"

  1102.                 "paddusb "RED_DITHER"(%0), %%mm5  \n\t"

  1103. #endif

  1104. 

  1105.                 WRITERGB15(%4, %5, %%REGa)

  1106.                 YSCALEYUV2PACKEDX_END

  1107.                 return;

  1108.             case PIX_FMT_RGB565:

  1109.                 YSCALEYUV2PACKEDX

  1110.                 YSCALEYUV2RGBX

  1111.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1112. #ifdef DITHER1XBPP

  1113.                 "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"

  1114.                 "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"

  1115.                 "paddusb "RED_DITHER"(%0), %%mm5  \n\t"

  1116. #endif

  1117. 

  1118.                 WRITERGB16(%4, %5, %%REGa)

  1119.                 YSCALEYUV2PACKEDX_END

  1120.                 return;

  1121.             case PIX_FMT_YUYV422:

  1122.                 YSCALEYUV2PACKEDX

  1123.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1124. 

  1125.                 "psraw $3, %%mm3    \n\t"

  1126.                 "psraw $3, %%mm4    \n\t"

  1127.                 "psraw $3, %%mm1    \n\t"

  1128.                 "psraw $3, %%mm7    \n\t"

  1129.                 WRITEYUY2(%4, %5, %%REGa)

  1130.                 YSCALEYUV2PACKEDX_END

  1131.                 return;

  1132.             }

  1133.         }

  1134.     }

  1135. #endif /* HAVE_MMX */

  1136. #if HAVE_ALTIVEC

  1137.     /* The following list of supported dstFormat values should

  1138.        match what's found in the body of altivec_yuv2packedX() */

  1139.     if (c->dstFormat==PIX_FMT_ABGR  || c->dstFormat==PIX_FMT_BGRA  ||

  1140.         c->dstFormat==PIX_FMT_BGR24 || c->dstFormat==PIX_FMT_RGB24 ||

  1141.         c->dstFormat==PIX_FMT_RGBA  || c->dstFormat==PIX_FMT_ARGB)

  1142.             altivec_yuv2packedX (c, lumFilter, lumSrc, lumFilterSize,

  1143.                                  chrFilter, chrSrc, chrFilterSize,

  1144.                                  dest, dstW, dstY);

  1145.     else

  1146. #endif

  1147.         yuv2packedXinC(c, lumFilter, lumSrc, lumFilterSize,

  1148.                        chrFilter, chrSrc, chrFilterSize,

  1149.                        dest, dstW, dstY);

  1150. }

  1151. 

  1152. /**

  1153.  * vertical bilinear scale YV12 to RGB

  1154.  */

  1155. static inline void RENAME(yuv2packed2)(SwsContext *c, uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,

  1156.                           uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)

  1157. {

  1158.     int  yalpha1=4095- yalpha;

  1159.     int uvalpha1=4095-uvalpha;

  1160.     int i;

  1161. 

  1162. #if HAVE_MMX

  1163.     if(!(c->flags & SWS_BITEXACT)){

  1164.         switch(c->dstFormat)

  1165.         {

  1166.             //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(

  1167.             case PIX_FMT_RGB32:

  1168.                 __asm__ volatile(

  1169.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1170.                 "mov        %4, %%"REG_b"               \n\t"

  1171.                 "push %%"REG_BP"                        \n\t"

  1172.                 YSCALEYUV2RGB(%%REGBP, %5)

  1173.                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP)

  1174.                 "pop %%"REG_BP"                         \n\t"

  1175.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1176. 

  1177.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1178.                 "a" (&c->redDither)

  1179.                 );

  1180.                 return;

  1181.             case PIX_FMT_BGR24:

  1182.                 __asm__ volatile(

  1183.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1184.                 "mov        %4, %%"REG_b"               \n\t"

  1185.                 "push %%"REG_BP"                        \n\t"

  1186.                 YSCALEYUV2RGB(%%REGBP, %5)

  1187.                 WRITEBGR24(%%REGb, 8280(%5), %%REGBP)

  1188.                 "pop %%"REG_BP"                         \n\t"

  1189.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1190.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1191.                 "a" (&c->redDither)

  1192.                 );

  1193.                 return;

  1194.             case PIX_FMT_RGB555:

  1195.                 __asm__ volatile(

  1196.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1197.                 "mov        %4, %%"REG_b"               \n\t"

  1198.                 "push %%"REG_BP"                        \n\t"

  1199.                 YSCALEYUV2RGB(%%REGBP, %5)

  1200.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1201. #ifdef DITHER1XBPP

  1202.                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"

  1203.                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"

  1204.                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"

  1205. #endif

  1206. 

  1207.                 WRITERGB15(%%REGb, 8280(%5), %%REGBP)

  1208.                 "pop %%"REG_BP"                         \n\t"

  1209.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1210. 

  1211.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1212.                 "a" (&c->redDither)

  1213.                 );

  1214.                 return;

  1215.             case PIX_FMT_RGB565:

  1216.                 __asm__ volatile(

  1217.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1218.                 "mov        %4, %%"REG_b"               \n\t"

  1219.                 "push %%"REG_BP"                        \n\t"

  1220.                 YSCALEYUV2RGB(%%REGBP, %5)

  1221.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1222. #ifdef DITHER1XBPP

  1223.                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"

  1224.                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"

  1225.                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"

  1226. #endif

  1227. 

  1228.                 WRITERGB16(%%REGb, 8280(%5), %%REGBP)

  1229.                 "pop %%"REG_BP"                         \n\t"

  1230.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1231.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1232.                 "a" (&c->redDither)

  1233.                 );

  1234.                 return;

  1235.             case PIX_FMT_YUYV422:

  1236.                 __asm__ volatile(

  1237.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1238.                 "mov %4, %%"REG_b"                        \n\t"

  1239.                 "push %%"REG_BP"                        \n\t"

  1240.                 YSCALEYUV2PACKED(%%REGBP, %5)

  1241.                 WRITEYUY2(%%REGb, 8280(%5), %%REGBP)

  1242.                 "pop %%"REG_BP"                         \n\t"

  1243.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1244.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1245.                 "a" (&c->redDither)

  1246.                 );

  1247.                 return;

  1248.             default: break;

  1249.         }

  1250.     }

  1251. #endif //HAVE_MMX

  1252. YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C, YSCALE_YUV_2_PACKED2_C, YSCALE_YUV_2_GRAY16_2_C, YSCALE_YUV_2_MONO2_C)

  1253. }

  1254. 

  1255. /**

  1256.  * YV12 to RGB without scaling or interpolating

  1257.  */

  1258. static inline void RENAME(yuv2packed1)(SwsContext *c, uint16_t *buf0, uint16_t *uvbuf0, uint16_t *uvbuf1,

  1259.                           uint8_t *dest, int dstW, int uvalpha, int dstFormat, int flags, int y)

  1260. {

  1261.     const int yalpha1=0;

  1262.     int i;

  1263. 

  1264.     uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1

  1265.     const int yalpha= 4096; //FIXME ...

  1266. 

  1267.     if (flags&SWS_FULL_CHR_H_INT)

  1268.     {

  1269.         RENAME(yuv2packed2)(c, buf0, buf0, uvbuf0, uvbuf1, dest, dstW, 0, uvalpha, y);

  1270.         return;

  1271.     }

  1272. 

  1273. #if HAVE_MMX

  1274.     if(!(flags & SWS_BITEXACT)){

  1275.         if (uvalpha < 2048) // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster

  1276.         {

  1277.             switch(dstFormat)

  1278.             {

  1279.             case PIX_FMT_RGB32:

  1280.                 __asm__ volatile(

  1281.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1282.                 "mov        %4, %%"REG_b"               \n\t"

  1283.                 "push %%"REG_BP"                        \n\t"

  1284.                 YSCALEYUV2RGB1(%%REGBP, %5)

  1285.                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP)

  1286.                 "pop %%"REG_BP"                         \n\t"

  1287.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1288. 

  1289.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1290.                 "a" (&c->redDither)

  1291.                 );

  1292.                 return;

  1293.             case PIX_FMT_BGR24:

  1294.                 __asm__ volatile(

  1295.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1296.                 "mov        %4, %%"REG_b"               \n\t"

  1297.                 "push %%"REG_BP"                        \n\t"

  1298.                 YSCALEYUV2RGB1(%%REGBP, %5)

  1299.                 WRITEBGR24(%%REGb, 8280(%5), %%REGBP)

  1300.                 "pop %%"REG_BP"                         \n\t"

  1301.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1302. 

  1303.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1304.                 "a" (&c->redDither)

  1305.                 );

  1306.                 return;

  1307.             case PIX_FMT_RGB555:

  1308.                 __asm__ volatile(

  1309.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1310.                 "mov        %4, %%"REG_b"               \n\t"

  1311.                 "push %%"REG_BP"                        \n\t"

  1312.                 YSCALEYUV2RGB1(%%REGBP, %5)

  1313.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1314. #ifdef DITHER1XBPP

  1315.                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"

  1316.                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"

  1317.                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"

  1318. #endif

  1319.                 WRITERGB15(%%REGb, 8280(%5), %%REGBP)

  1320.                 "pop %%"REG_BP"                         \n\t"

  1321.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1322. 

  1323.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1324.                 "a" (&c->redDither)

  1325.                 );

  1326.                 return;

  1327.             case PIX_FMT_RGB565:

  1328.                 __asm__ volatile(

  1329.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1330.                 "mov        %4, %%"REG_b"               \n\t"

  1331.                 "push %%"REG_BP"                        \n\t"

  1332.                 YSCALEYUV2RGB1(%%REGBP, %5)

  1333.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1334. #ifdef DITHER1XBPP

  1335.                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"

  1336.                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"

  1337.                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"

  1338. #endif

  1339. 

  1340.                 WRITERGB16(%%REGb, 8280(%5), %%REGBP)

  1341.                 "pop %%"REG_BP"                         \n\t"

  1342.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1343. 

  1344.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1345.                 "a" (&c->redDither)

  1346.                 );

  1347.                 return;

  1348.             case PIX_FMT_YUYV422:

  1349.                 __asm__ volatile(

  1350.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1351.                 "mov        %4, %%"REG_b"               \n\t"

  1352.                 "push %%"REG_BP"                        \n\t"

  1353.                 YSCALEYUV2PACKED1(%%REGBP, %5)

  1354.                 WRITEYUY2(%%REGb, 8280(%5), %%REGBP)

  1355.                 "pop %%"REG_BP"                         \n\t"

  1356.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1357. 

  1358.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1359.                 "a" (&c->redDither)

  1360.                 );

  1361.                 return;

  1362.             }

  1363.         }

  1364.         else

  1365.         {

  1366.             switch(dstFormat)

  1367.             {

  1368.             case PIX_FMT_RGB32:

  1369.                 __asm__ volatile(

  1370.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1371.                 "mov        %4, %%"REG_b"               \n\t"

  1372.                 "push %%"REG_BP"                        \n\t"

  1373.                 YSCALEYUV2RGB1b(%%REGBP, %5)

  1374.                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP)

  1375.                 "pop %%"REG_BP"                         \n\t"

  1376.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1377. 

  1378.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1379.                 "a" (&c->redDither)

  1380.                 );

  1381.                 return;

  1382.             case PIX_FMT_BGR24:

  1383.                 __asm__ volatile(

  1384.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1385.                 "mov        %4, %%"REG_b"               \n\t"

  1386.                 "push %%"REG_BP"                        \n\t"

  1387.                 YSCALEYUV2RGB1b(%%REGBP, %5)

  1388.                 WRITEBGR24(%%REGb, 8280(%5), %%REGBP)

  1389.                 "pop %%"REG_BP"                         \n\t"

  1390.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1391. 

  1392.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1393.                 "a" (&c->redDither)

  1394.                 );

  1395.                 return;

  1396.             case PIX_FMT_RGB555:

  1397.                 __asm__ volatile(

  1398.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1399.                 "mov        %4, %%"REG_b"               \n\t"

  1400.                 "push %%"REG_BP"                        \n\t"

  1401.                 YSCALEYUV2RGB1b(%%REGBP, %5)

  1402.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1403. #ifdef DITHER1XBPP

  1404.                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"

  1405.                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"

  1406.                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"

  1407. #endif

  1408.                 WRITERGB15(%%REGb, 8280(%5), %%REGBP)

  1409.                 "pop %%"REG_BP"                         \n\t"

  1410.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1411. 

  1412.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1413.                 "a" (&c->redDither)

  1414.                 );

  1415.                 return;

  1416.             case PIX_FMT_RGB565:

  1417.                 __asm__ volatile(

  1418.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1419.                 "mov        %4, %%"REG_b"               \n\t"

  1420.                 "push %%"REG_BP"                        \n\t"

  1421.                 YSCALEYUV2RGB1b(%%REGBP, %5)

  1422.                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */

  1423. #ifdef DITHER1XBPP

  1424.                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"

  1425.                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"

  1426.                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"

  1427. #endif

  1428. 

  1429.                 WRITERGB16(%%REGb, 8280(%5), %%REGBP)

  1430.                 "pop %%"REG_BP"                         \n\t"

  1431.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1432. 

  1433.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1434.                 "a" (&c->redDither)

  1435.                 );

  1436.                 return;

  1437.             case PIX_FMT_YUYV422:

  1438.                 __asm__ volatile(

  1439.                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"

  1440.                 "mov        %4, %%"REG_b"               \n\t"

  1441.                 "push %%"REG_BP"                        \n\t"

  1442.                 YSCALEYUV2PACKED1b(%%REGBP, %5)

  1443.                 WRITEYUY2(%%REGb, 8280(%5), %%REGBP)

  1444.                 "pop %%"REG_BP"                         \n\t"

  1445.                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"

  1446. 

  1447.                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),

  1448.                 "a" (&c->redDither)

  1449.                 );

  1450.                 return;

  1451.             }

  1452.         }

  1453.     }

  1454. #endif /* HAVE_MMX */

  1455.     if (uvalpha < 2048)

  1456.     {

  1457.         YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1_C, YSCALE_YUV_2_PACKED1_C, YSCALE_YUV_2_GRAY16_1_C, YSCALE_YUV_2_MONO2_C)

  1458.     }else{

  1459.         YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1B_C, YSCALE_YUV_2_PACKED1B_C, YSCALE_YUV_2_GRAY16_1_C, YSCALE_YUV_2_MONO2_C)

  1460.     }

  1461. }

  1462. 

  1463. //FIXME yuy2* can read up to 7 samples too much

  1464. 

  1465. static inline void RENAME(yuy2ToY)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)

  1466. {

  1467. #if HAVE_MMX

  1468.     __asm__ volatile(

  1469.     "movq "MANGLE(bm01010101)", %%mm2           \n\t"

  1470.     "mov                    %0, %%"REG_a"       \n\t"

  1471.     "1:                                         \n\t"

  1472.     "movq    (%1, %%"REG_a",2), %%mm0           \n\t"

  1473.     "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"

  1474.     "pand                %%mm2, %%mm0           \n\t"

  1475.     "pand                %%mm2, %%mm1           \n\t"

  1476.     "packuswb            %%mm1, %%mm0           \n\t"

  1477.     "movq                %%mm0, (%2, %%"REG_a") \n\t"

  1478.     "add                    $8, %%"REG_a"       \n\t"

  1479.     " js                    1b                  \n\t"

  1480.     : : "g" (-width), "r" (src+width*2), "r" (dst+width)

  1481.     : "%"REG_a

  1482.     );

  1483. #else

  1484.     int i;

  1485.     for (i=0; i<width; i++)

  1486.         dst[i]= src[2*i];

  1487. #endif

  1488. }

  1489. 

  1490. static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *unused)

  1491. {

  1492. #if HAVE_MMX

  1493.     __asm__ volatile(

  1494.     "movq "MANGLE(bm01010101)", %%mm4           \n\t"

  1495.     "mov                    %0, %%"REG_a"       \n\t"

  1496.     "1:                                         \n\t"

  1497.     "movq    (%1, %%"REG_a",4), %%mm0           \n\t"

  1498.     "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"

  1499.     "psrlw                  $8, %%mm0           \n\t"

  1500.     "psrlw                  $8, %%mm1           \n\t"

  1501.     "packuswb            %%mm1, %%mm0           \n\t"

  1502.     "movq                %%mm0, %%mm1           \n\t"

  1503.     "psrlw                  $8, %%mm0           \n\t"

  1504.     "pand                %%mm4, %%mm1           \n\t"

  1505.     "packuswb            %%mm0, %%mm0           \n\t"

  1506.     "packuswb            %%mm1, %%mm1           \n\t"

  1507.     "movd                %%mm0, (%3, %%"REG_a") \n\t"

  1508.     "movd                %%mm1, (%2, %%"REG_a") \n\t"

  1509.     "add                    $4, %%"REG_a"       \n\t"

  1510.     " js                    1b                  \n\t"

  1511.     : : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)

  1512.     : "%"REG_a

  1513.     );

  1514. #else

  1515.     int i;

  1516.     for (i=0; i<width; i++)

  1517.     {

  1518.         dstU[i]= src1[4*i + 1];

  1519.         dstV[i]= src1[4*i + 3];

  1520.     }

  1521. #endif

  1522.     assert(src1 == src2);

  1523. }

  1524. 

  1525. /* This is almost identical to the previous, end exists only because

  1526.  * yuy2ToY/UV)(dst, src+1, ...) would have 100% unaligned accesses. */

  1527. static inline void RENAME(uyvyToY)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)

  1528. {

  1529. #if HAVE_MMX

  1530.     __asm__ volatile(

  1531.     "mov                  %0, %%"REG_a"         \n\t"

  1532.     "1:                                         \n\t"

  1533.     "movq  (%1, %%"REG_a",2), %%mm0             \n\t"

  1534.     "movq 8(%1, %%"REG_a",2), %%mm1             \n\t"

  1535.     "psrlw                $8, %%mm0             \n\t"

  1536.     "psrlw                $8, %%mm1             \n\t"

  1537.     "packuswb          %%mm1, %%mm0             \n\t"

  1538.     "movq              %%mm0, (%2, %%"REG_a")   \n\t"

  1539.     "add                  $8, %%"REG_a"         \n\t"

  1540.     " js                  1b                    \n\t"

  1541.     : : "g" (-width), "r" (src+width*2), "r" (dst+width)

  1542.     : "%"REG_a

  1543.     );

  1544. #else

  1545.     int i;

  1546.     for (i=0; i<width; i++)

  1547.         dst[i]= src[2*i+1];

  1548. #endif

  1549. }

  1550. 

  1551. static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *unused)

  1552. {

  1553. #if HAVE_MMX

  1554.     __asm__ volatile(

  1555.     "movq "MANGLE(bm01010101)", %%mm4           \n\t"

  1556.     "mov                    %0, %%"REG_a"       \n\t"

  1557.     "1:                                         \n\t"

  1558.     "movq    (%1, %%"REG_a",4), %%mm0           \n\t"

  1559.     "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"

  1560.     "pand                %%mm4, %%mm0           \n\t"

  1561.     "pand                %%mm4, %%mm1           \n\t"

  1562.     "packuswb            %%mm1, %%mm0           \n\t"

  1563.     "movq                %%mm0, %%mm1           \n\t"

  1564.     "psrlw                  $8, %%mm0           \n\t"

  1565.     "pand                %%mm4, %%mm1           \n\t"

  1566.     "packuswb            %%mm0, %%mm0           \n\t"

  1567.     "packuswb            %%mm1, %%mm1           \n\t"

  1568.     "movd                %%mm0, (%3, %%"REG_a") \n\t"

  1569.     "movd                %%mm1, (%2, %%"REG_a") \n\t"

  1570.     "add                    $4, %%"REG_a"       \n\t"

  1571.     " js                    1b                  \n\t"

  1572.     : : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)

  1573.     : "%"REG_a

  1574.     );

  1575. #else

  1576.     int i;

  1577.     for (i=0; i<width; i++)

  1578.     {

  1579.         dstU[i]= src1[4*i + 0];

  1580.         dstV[i]= src1[4*i + 2];

  1581.     }

  1582. #endif

  1583.     assert(src1 == src2);

  1584. }

  1585. 

  1586. #define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\

  1587. static inline void RENAME(name)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)\

  1588. {\

  1589.     int i;\

  1590.     for (i=0; i<width; i++)\

  1591.     {\

  1592.         int b= (((type*)src)[i]>>shb)&maskb;\

  1593.         int g= (((type*)src)[i]>>shg)&maskg;\

  1594.         int r= (((type*)src)[i]>>shr)&maskr;\

  1595. \

  1596.         dst[i]= (((RY)*r + (GY)*g + (BY)*b + (33<<((S)-1)))>>(S));\

  1597.     }\

  1598. }

  1599. 

  1600. BGR2Y(uint32_t, bgr32ToY,16, 0, 0, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY   , BY<< 8, RGB2YUV_SHIFT+8)

  1601. BGR2Y(uint32_t, rgb32ToY, 0, 0,16, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY   , BY<< 8, RGB2YUV_SHIFT+8)

  1602. BGR2Y(uint16_t, bgr16ToY, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RY<<11, GY<<5, BY    , RGB2YUV_SHIFT+8)

  1603. BGR2Y(uint16_t, bgr15ToY, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RY<<10, GY<<5, BY    , RGB2YUV_SHIFT+7)

  1604. BGR2Y(uint16_t, rgb16ToY, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RY    , GY<<5, BY<<11, RGB2YUV_SHIFT+8)

  1605. BGR2Y(uint16_t, rgb15ToY, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RY    , GY<<5, BY<<10, RGB2YUV_SHIFT+7)

  1606. 

  1607. #define BGR2UV(type, name, shr, shg, shb, maskr, maskg, maskb, RU, GU, BU, RV, GV, BV, S)\

  1608. static inline void RENAME(name)(uint8_t *dstU, uint8_t *dstV, uint8_t *src, uint8_t *dummy, long width, uint32_t *unused)\

  1609. {\

  1610.     int i;\

  1611.     for (i=0; i<width; i++)\

  1612.     {\

  1613.         int b= (((type*)src)[i]&maskb)>>shb;\

  1614.         int g= (((type*)src)[i]&maskg)>>shg;\

  1615.         int r= (((type*)src)[i]&maskr)>>shr;\

  1616. \

  1617.         dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<((S)-1)))>>(S);\

  1618.         dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<((S)-1)))>>(S);\

  1619.     }\

  1620. }\

  1621. static inline void RENAME(name ## _half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src, uint8_t *dummy, long width, uint32_t *unused)\

  1622. {\

  1623.     int i;\

  1624.     for (i=0; i<width; i++)\

  1625.     {\

  1626.         int pix0= ((type*)src)[2*i+0];\

  1627.         int pix1= ((type*)src)[2*i+1];\

  1628.         int g= (pix0&maskg)+(pix1&maskg);\

  1629.         int b= ((pix0+pix1-g)&(maskb|(2*maskb)))>>shb;\

  1630.         int r= ((pix0+pix1-g)&(maskr|(2*maskr)))>>shr;\

  1631. \

  1632.         g>>=shg;\

  1633. \

  1634.         dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<(S)))>>((S)+1);\

  1635.         dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<(S)))>>((S)+1);\

  1636.     }\

  1637. }

  1638. 

  1639. BGR2UV(uint32_t, bgr32ToUV,16, 0, 0, 0xFF0000, 0xFF00, 0x00FF, RU<< 8, GU   , BU<< 8, RV<< 8, GV   , BV<< 8, RGB2YUV_SHIFT+8)

  1640. BGR2UV(uint32_t, rgb32ToUV, 0, 0,16, 0x00FF, 0xFF00, 0xFF0000, RU<< 8, GU   , BU<< 8, RV<< 8, GV   , BV<< 8, RGB2YUV_SHIFT+8)

  1641. BGR2UV(uint16_t, bgr16ToUV, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RU<<11, GU<<5, BU    , RV<<11, GV<<5, BV    , RGB2YUV_SHIFT+8)

  1642. BGR2UV(uint16_t, bgr15ToUV, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RU<<10, GU<<5, BU    , RV<<10, GV<<5, BV    , RGB2YUV_SHIFT+7)

  1643. BGR2UV(uint16_t, rgb16ToUV, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RU    , GU<<5, BU<<11, RV    , GV<<5, BV<<11, RGB2YUV_SHIFT+8)

  1644. BGR2UV(uint16_t, rgb15ToUV, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RU    , GU<<5, BU<<10, RV    , GV<<5, BV<<10, RGB2YUV_SHIFT+7)

  1645. 

  1646. #if HAVE_MMX

  1647. static inline void RENAME(bgr24ToY_mmx)(uint8_t *dst, uint8_t *src, long width, int srcFormat)

  1648. {

  1649. 

  1650.     if(srcFormat == PIX_FMT_BGR24){

  1651.         __asm__ volatile(

  1652.             "movq  "MANGLE(ff_bgr24toY1Coeff)", %%mm5       \n\t"

  1653.             "movq  "MANGLE(ff_bgr24toY2Coeff)", %%mm6       \n\t"

  1654.             :

  1655.         );

  1656.     }else{

  1657.         __asm__ volatile(

  1658.             "movq  "MANGLE(ff_rgb24toY1Coeff)", %%mm5       \n\t"

  1659.             "movq  "MANGLE(ff_rgb24toY2Coeff)", %%mm6       \n\t"

  1660.             :

  1661.         );

  1662.     }

  1663. 

  1664.     __asm__ volatile(

  1665.         "movq  "MANGLE(ff_bgr24toYOffset)", %%mm4   \n\t"

  1666.         "mov                        %2, %%"REG_a"   \n\t"

  1667.         "pxor                    %%mm7, %%mm7       \n\t"

  1668.         "1:                                         \n\t"

  1669.         PREFETCH"               64(%0)              \n\t"

  1670.         "movd                     (%0), %%mm0       \n\t"

  1671.         "movd                    2(%0), %%mm1       \n\t"

  1672.         "movd                    6(%0), %%mm2       \n\t"

  1673.         "movd                    8(%0), %%mm3       \n\t"

  1674.         "add                       $12, %0          \n\t"

  1675.         "punpcklbw               %%mm7, %%mm0       \n\t"

  1676.         "punpcklbw               %%mm7, %%mm1       \n\t"

  1677.         "punpcklbw               %%mm7, %%mm2       \n\t"

  1678.         "punpcklbw               %%mm7, %%mm3       \n\t"

  1679.         "pmaddwd                 %%mm5, %%mm0       \n\t"

  1680.         "pmaddwd                 %%mm6, %%mm1       \n\t"

  1681.         "pmaddwd                 %%mm5, %%mm2       \n\t"

  1682.         "pmaddwd                 %%mm6, %%mm3       \n\t"

  1683.         "paddd                   %%mm1, %%mm0       \n\t"

  1684.         "paddd                   %%mm3, %%mm2       \n\t"

  1685.         "paddd                   %%mm4, %%mm0       \n\t"

  1686.         "paddd                   %%mm4, %%mm2       \n\t"

  1687.         "psrad                     $15, %%mm0       \n\t"

  1688.         "psrad                     $15, %%mm2       \n\t"

  1689.         "packssdw                %%mm2, %%mm0       \n\t"

  1690.         "packuswb                %%mm0, %%mm0       \n\t"

  1691.         "movd                %%mm0, (%1, %%"REG_a") \n\t"

  1692.         "add                        $4, %%"REG_a"   \n\t"

  1693.         " js                        1b              \n\t"

  1694.     : "+r" (src)

  1695.     : "r" (dst+width), "g" (-width)

  1696.     : "%"REG_a

  1697.     );

  1698. }

  1699. 

  1700. static inline void RENAME(bgr24ToUV_mmx)(uint8_t *dstU, uint8_t *dstV, uint8_t *src, long width, int srcFormat)

  1701. {

  1702.     __asm__ volatile(

  1703.         "movq                    24+%4, %%mm6       \n\t"

  1704.         "mov                        %3, %%"REG_a"   \n\t"

  1705.         "pxor                    %%mm7, %%mm7       \n\t"

  1706.         "1:                                         \n\t"

  1707.         PREFETCH"               64(%0)              \n\t"

  1708.         "movd                     (%0), %%mm0       \n\t"

  1709.         "movd                    2(%0), %%mm1       \n\t"

  1710.         "punpcklbw               %%mm7, %%mm0       \n\t"

  1711.         "punpcklbw               %%mm7, %%mm1       \n\t"

  1712.         "movq                    %%mm0, %%mm2       \n\t"

  1713.         "movq                    %%mm1, %%mm3       \n\t"

  1714.         "pmaddwd                    %4, %%mm0       \n\t"

  1715.         "pmaddwd                  8+%4, %%mm1       \n\t"

  1716.         "pmaddwd                 16+%4, %%mm2       \n\t"

  1717.         "pmaddwd                 %%mm6, %%mm3       \n\t"

  1718.         "paddd                   %%mm1, %%mm0       \n\t"

  1719.         "paddd                   %%mm3, %%mm2       \n\t"

  1720. 

  1721.         "movd                    6(%0), %%mm1       \n\t"

  1722.         "movd                    8(%0), %%mm3       \n\t"

  1723.         "add                       $12, %0          \n\t"

  1724.         "punpcklbw               %%mm7, %%mm1       \n\t"

  1725.         "punpcklbw               %%mm7, %%mm3       \n\t"

  1726.         "movq                    %%mm1, %%mm4       \n\t"

  1727.         "movq                    %%mm3, %%mm5       \n\t"

  1728.         "pmaddwd                    %4, %%mm1       \n\t"

  1729.         "pmaddwd                  8+%4, %%mm3       \n\t"

  1730.         "pmaddwd                 16+%4, %%mm4       \n\t"

  1731.         "pmaddwd                 %%mm6, %%mm5       \n\t"

  1732.         "paddd                   %%mm3, %%mm1       \n\t"

  1733.         "paddd                   %%mm5, %%mm4       \n\t"

  1734. 

  1735.         "movq "MANGLE(ff_bgr24toUVOffset)", %%mm3       \n\t"

  1736.         "paddd                   %%mm3, %%mm0       \n\t"

  1737.         "paddd                   %%mm3, %%mm2       \n\t"

  1738.         "paddd                   %%mm3, %%mm1       \n\t"

  1739.         "paddd                   %%mm3, %%mm4       \n\t"

  1740.         "psrad                     $15, %%mm0       \n\t"

  1741.         "psrad                     $15, %%mm2       \n\t"

  1742.         "psrad                     $15, %%mm1       \n\t"

  1743.         "psrad                     $15, %%mm4       \n\t"

  1744.         "packssdw                %%mm1, %%mm0       \n\t"

  1745.         "packssdw                %%mm4, %%mm2       \n\t"

  1746.         "packuswb                %%mm0, %%mm0       \n\t"

  1747.         "packuswb                %%mm2, %%mm2       \n\t"

  1748.         "movd                %%mm0, (%1, %%"REG_a") \n\t"

  1749.         "movd                %%mm2, (%2, %%"REG_a") \n\t"

  1750.         "add                        $4, %%"REG_a"   \n\t"

  1751.         " js                        1b              \n\t"

  1752.     : "+r" (src)

  1753.     : "r" (dstU+width), "r" (dstV+width), "g" (-width), "m"(ff_bgr24toUV[srcFormat == PIX_FMT_RGB24][0])

  1754.     : "%"REG_a

  1755.     );

  1756. }

  1757. #endif

  1758. 

  1759. static inline void RENAME(bgr24ToY)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)

  1760. {

  1761. #if HAVE_MMX

  1762.     RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_BGR24);

  1763. #else

  1764.     int i;

  1765.     for (i=0; i<width; i++)

  1766.     {

  1767.         int b= src[i*3+0];

  1768.         int g= src[i*3+1];

  1769.         int r= src[i*3+2];

  1770. 

  1771.         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);

  1772.     }

  1773. #endif /* HAVE_MMX */

  1774. }

  1775. 

  1776. static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *unused)

  1777. {

  1778. #if HAVE_MMX

  1779.     RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_BGR24);

  1780. #else

  1781.     int i;

  1782.     for (i=0; i<width; i++)

  1783.     {

  1784.         int b= src1[3*i + 0];

  1785.         int g= src1[3*i + 1];

  1786.         int r= src1[3*i + 2];

  1787. 

  1788.         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;

  1789.         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;

  1790.     }

  1791. #endif /* HAVE_MMX */

  1792.     assert(src1 == src2);

  1793. }

  1794. 

  1795. static inline void RENAME(bgr24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *unused)

  1796. {

  1797.     int i;

  1798.     for (i=0; i<width; i++)

  1799.     {

  1800.         int b= src1[6*i + 0] + src1[6*i + 3];

  1801.         int g= src1[6*i + 1] + src1[6*i + 4];

  1802.         int r= src1[6*i + 2] + src1[6*i + 5];

  1803. 

  1804.         dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);

  1805.         dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);

  1806.     }

  1807.     assert(src1 == src2);

  1808. }

  1809. 

  1810. static inline void RENAME(rgb24ToY)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)

  1811. {

  1812. #if HAVE_MMX

  1813.     RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_RGB24);

  1814. #else

  1815.     int i;

  1816.     for (i=0; i<width; i++)

  1817.     {

  1818.         int r= src[i*3+0];

  1819.         int g= src[i*3+1];

  1820.         int b= src[i*3+2];

  1821. 

  1822.         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);

  1823.     }

  1824. #endif

  1825. }

  1826. 

  1827. static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *unused)

  1828. {

  1829. #if HAVE_MMX

  1830.     assert(src1==src2);

  1831.     RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_RGB24);

  1832. #else

  1833.     int i;

  1834.     assert(src1==src2);

  1835.     for (i=0; i<width; i++)

  1836.     {

  1837.         int r= src1[3*i + 0];

  1838.         int g= src1[3*i + 1];

  1839.         int b= src1[3*i + 2];

  1840. 

  1841.         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;

  1842.         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;

  1843.     }

  1844. #endif

  1845. }

  1846. 

  1847. static inline void RENAME(rgb24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *unused)

  1848. {

  1849.     int i;

  1850.     assert(src1==src2);

  1851.     for (i=0; i<width; i++)

  1852.     {

  1853.         int r= src1[6*i + 0] + src1[6*i + 3];

  1854.         int g= src1[6*i + 1] + src1[6*i + 4];

  1855.         int b= src1[6*i + 2] + src1[6*i + 5];

  1856. 

  1857.         dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);

  1858.         dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);

  1859.     }

  1860. }

  1861. 

  1862. 

  1863. static inline void RENAME(palToY)(uint8_t *dst, uint8_t *src, long width, uint32_t *pal)

  1864. {

  1865.     int i;

  1866.     for (i=0; i<width; i++)

  1867.     {

  1868.         int d= src[i];

  1869. 

  1870.         dst[i]= pal[d] & 0xFF;

  1871.     }

  1872. }

  1873. 

  1874. static inline void RENAME(palToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *pal)

  1875. {

  1876.     int i;

  1877.     assert(src1 == src2);

  1878.     for (i=0; i<width; i++)

  1879.     {

  1880.         int p= pal[src1[i]];

  1881. 

  1882.         dstU[i]= p>>8;

  1883.         dstV[i]= p>>16;

  1884.     }

  1885. }

  1886. 

  1887. static inline void RENAME(monowhite2Y)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)

  1888. {

  1889.     int i, j;

  1890.     for (i=0; i<width/8; i++){

  1891.         int d= ~src[i];

  1892.         for(j=0; j<8; j++)

  1893.             dst[8*i+j]= ((d>>(7-j))&1)*255;

  1894.     }

  1895. }

  1896. 

  1897. static inline void RENAME(monoblack2Y)(uint8_t *dst, uint8_t *src, long width, uint32_t *unused)

  1898. {

  1899.     int i, j;

  1900.     for (i=0; i<width/8; i++){

  1901.         int d= src[i];

  1902.         for(j=0; j<8; j++)

  1903.             dst[8*i+j]= ((d>>(7-j))&1)*255;

  1904.     }

  1905. }

  1906. 

  1907. // bilinear / bicubic scaling

  1908. static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW, int xInc,

  1909.                                   int16_t *filter, int16_t *filterPos, long filterSize)

  1910. {

  1911. #if HAVE_MMX

  1912.     assert(filterSize % 4 == 0 && filterSize>0);

  1913.     if (filterSize==4) // Always true for upscaling, sometimes for down, too.

  1914.     {

  1915.         long counter= -2*dstW;

  1916.         filter-= counter*2;

  1917.         filterPos-= counter/2;

  1918.         dst-= counter/2;

  1919.         __asm__ volatile(

  1920. #if defined(PIC)

  1921.         "push            %%"REG_b"              \n\t"

  1922. #endif

  1923.         "pxor                %%mm7, %%mm7       \n\t"

  1924.         "push           %%"REG_BP"              \n\t" // we use 7 regs here ...

  1925.         "mov             %%"REG_a", %%"REG_BP"  \n\t"

  1926.         ASMALIGN(4)

  1927.         "1:                                     \n\t"

  1928.         "movzwl   (%2, %%"REG_BP"), %%eax       \n\t"

  1929.         "movzwl  2(%2, %%"REG_BP"), %%ebx       \n\t"

  1930.         "movq  (%1, %%"REG_BP", 4), %%mm1       \n\t"

  1931.         "movq 8(%1, %%"REG_BP", 4), %%mm3       \n\t"

  1932.         "movd      (%3, %%"REG_a"), %%mm0       \n\t"

  1933.         "movd      (%3, %%"REG_b"), %%mm2       \n\t"

  1934.         "punpcklbw           %%mm7, %%mm0       \n\t"

  1935.         "punpcklbw           %%mm7, %%mm2       \n\t"

  1936.         "pmaddwd             %%mm1, %%mm0       \n\t"

  1937.         "pmaddwd             %%mm2, %%mm3       \n\t"

  1938.         "movq                %%mm0, %%mm4       \n\t"

  1939.         "punpckldq           %%mm3, %%mm0       \n\t"

  1940.         "punpckhdq           %%mm3, %%mm4       \n\t"

  1941.         "paddd               %%mm4, %%mm0       \n\t"

  1942.         "psrad                  $7, %%mm0       \n\t"

  1943.         "packssdw            %%mm0, %%mm0       \n\t"

  1944.         "movd                %%mm0, (%4, %%"REG_BP")    \n\t"

  1945.         "add                    $4, %%"REG_BP"  \n\t"

  1946.         " jnc                   1b              \n\t"

  1947. 

  1948.         "pop            %%"REG_BP"              \n\t"

  1949. #if defined(PIC)

  1950.         "pop             %%"REG_b"              \n\t"

  1951. #endif

  1952.         : "+a" (counter)

  1953.         : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)

  1954. #if !defined(PIC)

  1955.         : "%"REG_b

  1956. #endif

  1957.         );

  1958.     }

  1959.     else if (filterSize==8)

  1960.     {

  1961.         long counter= -2*dstW;

  1962.         filter-= counter*4;

  1963.         filterPos-= counter/2;

  1964.         dst-= counter/2;

  1965.         __asm__ volatile(

  1966. #if defined(PIC)

  1967.         "push             %%"REG_b"             \n\t"

  1968. #endif

  1969.         "pxor                 %%mm7, %%mm7      \n\t"

  1970.         "push            %%"REG_BP"             \n\t" // we use 7 regs here ...

  1971.         "mov              %%"REG_a", %%"REG_BP" \n\t"

  1972.         ASMALIGN(4)

  1973.         "1:                                     \n\t"

  1974.         "movzwl    (%2, %%"REG_BP"), %%eax      \n\t"

  1975.         "movzwl   2(%2, %%"REG_BP"), %%ebx      \n\t"

  1976.         "movq   (%1, %%"REG_BP", 8), %%mm1      \n\t"

  1977.         "movq 16(%1, %%"REG_BP", 8), %%mm3      \n\t"

  1978.         "movd       (%3, %%"REG_a"), %%mm0      \n\t"

  1979.         "movd       (%3, %%"REG_b"), %%mm2      \n\t"

  1980.         "punpcklbw            %%mm7, %%mm0      \n\t"

  1981.         "punpcklbw            %%mm7, %%mm2      \n\t"

  1982.         "pmaddwd              %%mm1, %%mm0      \n\t"

  1983.         "pmaddwd              %%mm2, %%mm3      \n\t"

  1984. 

  1985.         "movq  8(%1, %%"REG_BP", 8), %%mm1      \n\t"

  1986.         "movq 24(%1, %%"REG_BP", 8), %%mm5      \n\t"

  1987.         "movd      4(%3, %%"REG_a"), %%mm4      \n\t"

  1988.         "movd      4(%3, %%"REG_b"), %%mm2      \n\t"

  1989.         "punpcklbw            %%mm7, %%mm4      \n\t"

  1990.         "punpcklbw            %%mm7, %%mm2      \n\t"

  1991.         "pmaddwd              %%mm1, %%mm4      \n\t"

  1992.         "pmaddwd              %%mm2, %%mm5      \n\t"

  1993.         "paddd                %%mm4, %%mm0      \n\t"

  1994.         "paddd                %%mm5, %%mm3      \n\t"

  1995.         "movq                 %%mm0, %%mm4      \n\t"

  1996.         "punpckldq            %%mm3, %%mm0      \n\t"

  1997.         "punpckhdq            %%mm3, %%mm4      \n\t"

  1998.         "paddd                %%mm4, %%mm0      \n\t"

  1999.         "psrad                   $7, %%mm0      \n\t"

  2000.         "packssdw             %%mm0, %%mm0      \n\t"

  2001.         "movd                 %%mm0, (%4, %%"REG_BP")   \n\t"

  2002.         "add                     $4, %%"REG_BP" \n\t"

  2003.         " jnc                    1b             \n\t"

  2004. 

  2005.         "pop             %%"REG_BP"             \n\t"

  2006. #if defined(PIC)

  2007.         "pop              %%"REG_b"             \n\t"

  2008. #endif

  2009.         : "+a" (counter)

  2010.         : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)

  2011. #if !defined(PIC)

  2012.         : "%"REG_b

  2013. #endif

  2014.         );

  2015.     }

  2016.     else

  2017.     {

  2018.         uint8_t *offset = src+filterSize;

  2019.         long counter= -2*dstW;

  2020.         //filter-= counter*filterSize/2;

  2021.         filterPos-= counter/2;

  2022.         dst-= counter/2;

  2023.         __asm__ volatile(

  2024.         "pxor                  %%mm7, %%mm7     \n\t"

  2025.         ASMALIGN(4)

  2026.         "1:                                     \n\t"

  2027.         "mov                      %2, %%"REG_c" \n\t"

  2028.         "movzwl      (%%"REG_c", %0), %%eax     \n\t"

  2029.         "movzwl     2(%%"REG_c", %0), %%edx     \n\t"

  2030.         "mov                      %5, %%"REG_c" \n\t"

  2031.         "pxor                  %%mm4, %%mm4     \n\t"

  2032.         "pxor                  %%mm5, %%mm5     \n\t"

  2033.         "2:                                     \n\t"

  2034.         "movq                   (%1), %%mm1     \n\t"

  2035.         "movq               (%1, %6), %%mm3     \n\t"

  2036.         "movd (%%"REG_c", %%"REG_a"), %%mm0     \n\t"

  2037.         "movd (%%"REG_c", %%"REG_d"), %%mm2     \n\t"

  2038.         "punpcklbw             %%mm7, %%mm0     \n\t"

  2039.         "punpcklbw             %%mm7, %%mm2     \n\t"

  2040.         "pmaddwd               %%mm1, %%mm0     \n\t"

  2041.         "pmaddwd               %%mm2, %%mm3     \n\t"

  2042.         "paddd                 %%mm3, %%mm5     \n\t"

  2043.         "paddd                 %%mm0, %%mm4     \n\t"

  2044.         "add                      $8, %1        \n\t"

  2045.         "add                      $4, %%"REG_c" \n\t"

  2046.         "cmp                      %4, %%"REG_c" \n\t"

  2047.         " jb                      2b            \n\t"

  2048.         "add                      %6, %1        \n\t"

  2049.         "movq                  %%mm4, %%mm0     \n\t"

  2050.         "punpckldq             %%mm5, %%mm4     \n\t"

  2051.         "punpckhdq             %%mm5, %%mm0     \n\t"

  2052.         "paddd                 %%mm0, %%mm4     \n\t"

  2053.         "psrad                    $7, %%mm4     \n\t"

  2054.         "packssdw              %%mm4, %%mm4     \n\t"

  2055.         "mov                      %3, %%"REG_a" \n\t"

  2056.         "movd                  %%mm4, (%%"REG_a", %0)   \n\t"

  2057.         "add                      $4, %0        \n\t"

  2058.         " jnc                     1b            \n\t"

  2059. 

  2060.         : "+r" (counter), "+r" (filter)

  2061.         : "m" (filterPos), "m" (dst), "m"(offset),

  2062.           "m" (src), "r" (filterSize*2)

  2063.         : "%"REG_a, "%"REG_c, "%"REG_d

  2064.         );

  2065.     }

  2066. #else

  2067. #if HAVE_ALTIVEC

  2068.     hScale_altivec_real(dst, dstW, src, srcW, xInc, filter, filterPos, filterSize);

  2069. #else

  2070.     int i;

  2071.     for (i=0; i<dstW; i++)

  2072.     {

  2073.         int j;

  2074.         int srcPos= filterPos[i];

  2075.         int val=0;

  2076.         //printf("filterPos: %d\n", filterPos[i]);

  2077.         for (j=0; j<filterSize; j++)

  2078.         {

  2079.             //printf("filter: %d, src: %d\n", filter[i], src[srcPos + j]);

  2080.             val += ((int)src[srcPos + j])*filter[filterSize*i + j];

  2081.         }

  2082.         //filter += hFilterSize;

  2083.         dst[i] = FFMIN(val>>7, (1<<15)-1); // the cubic equation does overflow ...

  2084.         //dst[i] = val>>7;

  2085.     }

  2086. #endif /* HAVE_ALTIVEC */

  2087. #endif /* HAVE_MMX */

  2088. }

  2089.       // *** horizontal scale Y line to temp buffer

  2090. static inline void RENAME(hyscale)(SwsContext *c, uint16_t *dst, long dstWidth, uint8_t *src, int srcW, int xInc,

  2091.                                    int flags, int canMMX2BeUsed, int16_t *hLumFilter,

  2092.                                    int16_t *hLumFilterPos, int hLumFilterSize, void *funnyYCode,

  2093.                                    int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,

  2094.                                    int32_t *mmx2FilterPos, uint32_t *pal)

  2095. {

  2096.     if (srcFormat==PIX_FMT_YUYV422 || srcFormat==PIX_FMT_GRAY16BE)

  2097.     {

  2098.         RENAME(yuy2ToY)(formatConvBuffer, src, srcW, pal);

  2099.         src= formatConvBuffer;

  2100.     }

  2101.     else if (srcFormat==PIX_FMT_UYVY422 || srcFormat==PIX_FMT_GRAY16LE)

  2102.     {

  2103.         RENAME(uyvyToY)(formatConvBuffer, src, srcW, pal);

  2104.         src= formatConvBuffer;

  2105.     }

  2106.     else if (srcFormat==PIX_FMT_RGB32)

  2107.     {

  2108.         RENAME(bgr32ToY)(formatConvBuffer, src, srcW, pal);

  2109.         src= formatConvBuffer;

  2110.     }

  2111.     else if (srcFormat==PIX_FMT_RGB32_1)

  2112.     {

  2113.         RENAME(bgr32ToY)(formatConvBuffer, src+ALT32_CORR, srcW, pal);

  2114.         src= formatConvBuffer;

  2115.     }

  2116.     else if (srcFormat==PIX_FMT_BGR24)

  2117.     {

  2118.         RENAME(bgr24ToY)(formatConvBuffer, src, srcW, pal);

  2119.         src= formatConvBuffer;

  2120.     }

  2121.     else if (srcFormat==PIX_FMT_BGR565)

  2122.     {

  2123.         RENAME(bgr16ToY)(formatConvBuffer, src, srcW, pal);

  2124.         src= formatConvBuffer;

  2125.     }

  2126.     else if (srcFormat==PIX_FMT_BGR555)

  2127.     {

  2128.         RENAME(bgr15ToY)(formatConvBuffer, src, srcW, pal);

  2129.         src= formatConvBuffer;

  2130.     }

  2131.     else if (srcFormat==PIX_FMT_BGR32)

  2132.     {

  2133.         RENAME(rgb32ToY)(formatConvBuffer, src, srcW, pal);

  2134.         src= formatConvBuffer;

  2135.     }

  2136.     else if (srcFormat==PIX_FMT_BGR32_1)

  2137.     {

  2138.         RENAME(rgb32ToY)(formatConvBuffer, src+ALT32_CORR, srcW, pal);

  2139.         src= formatConvBuffer;

  2140.     }

  2141.     else if (srcFormat==PIX_FMT_RGB24)

  2142.     {

  2143.         RENAME(rgb24ToY)(formatConvBuffer, src, srcW, pal);

  2144.         src= formatConvBuffer;

  2145.     }

  2146.     else if (srcFormat==PIX_FMT_RGB565)

  2147.     {

  2148.         RENAME(rgb16ToY)(formatConvBuffer, src, srcW, pal);

  2149.         src= formatConvBuffer;

  2150.     }

  2151.     else if (srcFormat==PIX_FMT_RGB555)

  2152.     {

  2153.         RENAME(rgb15ToY)(formatConvBuffer, src, srcW, pal);

  2154.         src= formatConvBuffer;

  2155.     }

  2156.     else if (srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE  || srcFormat==PIX_FMT_RGB4_BYTE)

  2157.     {

  2158.         RENAME(palToY)(formatConvBuffer, src, srcW, pal);

  2159.         src= formatConvBuffer;

  2160.     }

  2161.     else if (srcFormat==PIX_FMT_MONOBLACK)

  2162.     {

  2163.         RENAME(monoblack2Y)(formatConvBuffer, src, srcW, pal);

  2164.         src= formatConvBuffer;

  2165.     }

  2166.     else if (srcFormat==PIX_FMT_MONOWHITE)

  2167.     {

  2168.         RENAME(monowhite2Y)(formatConvBuffer, src, srcW, pal);

  2169.         src= formatConvBuffer;

  2170.     }

  2171. 

  2172. #if HAVE_MMX

  2173.     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).

  2174.     if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))

  2175. #else

  2176.     if (!(flags&SWS_FAST_BILINEAR))

  2177. #endif

  2178.     {

  2179.         RENAME(hScale)(dst, dstWidth, src, srcW, xInc, hLumFilter, hLumFilterPos, hLumFilterSize);

  2180.     }

  2181.     else // fast bilinear upscale / crap downscale

  2182.     {

  2183. #if ARCH_X86

  2184. #if HAVE_MMX2

  2185.         int i;

  2186. #if defined(PIC)

  2187.         uint64_t ebxsave __attribute__((aligned(8)));

  2188. #endif

  2189.         if (canMMX2BeUsed)

  2190.         {

  2191.             __asm__ volatile(

  2192. #if defined(PIC)

  2193.             "mov               %%"REG_b", %5        \n\t"

  2194. #endif

  2195.             "pxor                  %%mm7, %%mm7     \n\t"

  2196.             "mov                      %0, %%"REG_c" \n\t"

  2197.             "mov                      %1, %%"REG_D" \n\t"

  2198.             "mov                      %2, %%"REG_d" \n\t"

  2199.             "mov                      %3, %%"REG_b" \n\t"

  2200.             "xor               %%"REG_a", %%"REG_a" \n\t" // i

  2201.             PREFETCH"        (%%"REG_c")            \n\t"

  2202.             PREFETCH"      32(%%"REG_c")            \n\t"

  2203.             PREFETCH"      64(%%"REG_c")            \n\t"

  2204. 

  2205. #if ARCH_X86_64

  2206. 

  2207. #define FUNNY_Y_CODE \

  2208.             "movl            (%%"REG_b"), %%esi     \n\t"\

  2209.             "call                    *%4            \n\t"\

  2210.             "movl (%%"REG_b", %%"REG_a"), %%esi     \n\t"\

  2211.             "add               %%"REG_S", %%"REG_c" \n\t"\

  2212.             "add               %%"REG_a", %%"REG_D" \n\t"\

  2213.             "xor               %%"REG_a", %%"REG_a" \n\t"\

  2214. 

  2215. #else

  2216. 

  2217. #define FUNNY_Y_CODE \

  2218.             "movl (%%"REG_b"), %%esi        \n\t"\

  2219.             "call         *%4                       \n\t"\

  2220.             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\

  2221.             "add               %%"REG_a", %%"REG_D" \n\t"\

  2222.             "xor               %%"REG_a", %%"REG_a" \n\t"\

  2223. 

  2224. #endif /* ARCH_X86_64 */

  2225. 

  2226. FUNNY_Y_CODE

  2227. FUNNY_Y_CODE

  2228. FUNNY_Y_CODE

  2229. FUNNY_Y_CODE

  2230. FUNNY_Y_CODE

  2231. FUNNY_Y_CODE

  2232. FUNNY_Y_CODE

  2233. FUNNY_Y_CODE

  2234. 

  2235. #if defined(PIC)

  2236.             "mov                      %5, %%"REG_b" \n\t"

  2237. #endif

  2238.             :: "m" (src), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),

  2239.             "m" (funnyYCode)

  2240. #if defined(PIC)

  2241.             ,"m" (ebxsave)

  2242. #endif

  2243.             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D

  2244. #if !defined(PIC)

  2245.             ,"%"REG_b

  2246. #endif

  2247.             );

  2248.             for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128;

  2249.         }

  2250.         else

  2251.         {

  2252. #endif /* HAVE_MMX2 */

  2253.         long xInc_shr16 = xInc >> 16;

  2254.         uint16_t xInc_mask = xInc & 0xffff;

  2255.         //NO MMX just normal asm ...

  2256.         __asm__ volatile(

  2257.         "xor %%"REG_a", %%"REG_a"            \n\t" // i

  2258.         "xor %%"REG_d", %%"REG_d"            \n\t" // xx

  2259.         "xorl    %%ecx, %%ecx                \n\t" // 2*xalpha

  2260.         ASMALIGN(4)

  2261.         "1:                                  \n\t"

  2262.         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]

  2263.         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]

  2264.         "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]

  2265.         "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha

  2266.         "shll      $16, %%edi                \n\t"

  2267.         "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)

  2268.         "mov        %1, %%"REG_D"            \n\t"

  2269.         "shrl       $9, %%esi                \n\t"

  2270.         "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"

  2271.         "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF

  2272.         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry

  2273. 

  2274.         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]

  2275.         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]

  2276.         "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]

  2277.         "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha

  2278.         "shll      $16, %%edi                \n\t"

  2279.         "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)

  2280.         "mov        %1, %%"REG_D"            \n\t"

  2281.         "shrl       $9, %%esi                \n\t"

  2282.         "movw     %%si, 2(%%"REG_D", %%"REG_a", 2)  \n\t"

  2283.         "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF

  2284.         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry

  2285. 

  2286. 

  2287.         "add        $2, %%"REG_a"            \n\t"

  2288.         "cmp        %2, %%"REG_a"            \n\t"

  2289.         " jb        1b                       \n\t"

  2290. 

  2291. 

  2292.         :: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask)

  2293.         : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"

  2294.         );

  2295. #if HAVE_MMX2

  2296.         } //if MMX2 can't be used

  2297. #endif

  2298. #else

  2299.         int i;

  2300.         unsigned int xpos=0;

  2301.         for (i=0;i<dstWidth;i++)

  2302.         {

  2303.             register unsigned int xx=xpos>>16;

  2304.             register unsigned int xalpha=(xpos&0xFFFF)>>9;

  2305.             dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha;

  2306.             xpos+=xInc;

  2307.         }

  2308. #endif /* ARCH_X86 */

  2309.     }

  2310. 

  2311.     if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){

  2312.         int i;

  2313.         //FIXME all pal and rgb srcFormats could do this convertion as well

  2314.         //FIXME all scalers more complex than bilinear could do half of this transform

  2315.         if(c->srcRange){

  2316.             for (i=0; i<dstWidth; i++)

  2317.                 dst[i]= (dst[i]*14071 + 33561947)>>14;

  2318.         }else{

  2319.             for (i=0; i<dstWidth; i++)

  2320.                 dst[i]= (FFMIN(dst[i],30189)*19077 - 39057361)>>14;

  2321.         }

  2322.     }

  2323. }

  2324. 

  2325. inline static void RENAME(hcscale)(SwsContext *c, uint16_t *dst, long dstWidth, uint8_t *src1, uint8_t *src2,

  2326.                                    int srcW, int xInc, int flags, int canMMX2BeUsed, int16_t *hChrFilter,

  2327.                                    int16_t *hChrFilterPos, int hChrFilterSize, void *funnyUVCode,

  2328.                                    int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,

  2329.                                    int32_t *mmx2FilterPos, uint32_t *pal)

  2330. {

  2331.     if (srcFormat==PIX_FMT_YUYV422)

  2332.     {

  2333.         RENAME(yuy2ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2334.         src1= formatConvBuffer;

  2335.         src2= formatConvBuffer+VOFW;

  2336.     }

  2337.     else if (srcFormat==PIX_FMT_UYVY422)

  2338.     {

  2339.         RENAME(uyvyToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2340.         src1= formatConvBuffer;

  2341.         src2= formatConvBuffer+VOFW;

  2342.     }

  2343.     else if (srcFormat==PIX_FMT_RGB32)

  2344.     {

  2345.         if(c->chrSrcHSubSample)

  2346.             RENAME(bgr32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2347.         else

  2348.             RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2349.         src1= formatConvBuffer;

  2350.         src2= formatConvBuffer+VOFW;

  2351.     }

  2352.     else if (srcFormat==PIX_FMT_RGB32_1)

  2353.     {

  2354.         if(c->chrSrcHSubSample)

  2355.             RENAME(bgr32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW, pal);

  2356.         else

  2357.             RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW, pal);

  2358.         src1= formatConvBuffer;

  2359.         src2= formatConvBuffer+VOFW;

  2360.     }

  2361.     else if (srcFormat==PIX_FMT_BGR24)

  2362.     {

  2363.         if(c->chrSrcHSubSample)

  2364.             RENAME(bgr24ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2365.         else

  2366.             RENAME(bgr24ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2367.         src1= formatConvBuffer;

  2368.         src2= formatConvBuffer+VOFW;

  2369.     }

  2370.     else if (srcFormat==PIX_FMT_BGR565)

  2371.     {

  2372.         if(c->chrSrcHSubSample)

  2373.             RENAME(bgr16ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2374.         else

  2375.             RENAME(bgr16ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2376.         src1= formatConvBuffer;

  2377.         src2= formatConvBuffer+VOFW;

  2378.     }

  2379.     else if (srcFormat==PIX_FMT_BGR555)

  2380.     {

  2381.         if(c->chrSrcHSubSample)

  2382.             RENAME(bgr15ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2383.         else

  2384.             RENAME(bgr15ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2385.         src1= formatConvBuffer;

  2386.         src2= formatConvBuffer+VOFW;

  2387.     }

  2388.     else if (srcFormat==PIX_FMT_BGR32)

  2389.     {

  2390.         if(c->chrSrcHSubSample)

  2391.             RENAME(rgb32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2392.         else

  2393.             RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2394.         src1= formatConvBuffer;

  2395.         src2= formatConvBuffer+VOFW;

  2396.     }

  2397.     else if (srcFormat==PIX_FMT_BGR32_1)

  2398.     {

  2399.         if(c->chrSrcHSubSample)

  2400.             RENAME(rgb32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW, pal);

  2401.         else

  2402.             RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW, pal);

  2403.         src1= formatConvBuffer;

  2404.         src2= formatConvBuffer+VOFW;

  2405.     }

  2406.     else if (srcFormat==PIX_FMT_RGB24)

  2407.     {

  2408.         if(c->chrSrcHSubSample)

  2409.             RENAME(rgb24ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2410.         else

  2411.             RENAME(rgb24ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2412.         src1= formatConvBuffer;

  2413.         src2= formatConvBuffer+VOFW;

  2414.     }

  2415.     else if (srcFormat==PIX_FMT_RGB565)

  2416.     {

  2417.         if(c->chrSrcHSubSample)

  2418.             RENAME(rgb16ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2419.         else

  2420.             RENAME(rgb16ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2421.         src1= formatConvBuffer;

  2422.         src2= formatConvBuffer+VOFW;

  2423.     }

  2424.     else if (srcFormat==PIX_FMT_RGB555)

  2425.     {

  2426.         if(c->chrSrcHSubSample)

  2427.             RENAME(rgb15ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2428.         else

  2429.             RENAME(rgb15ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2430.         src1= formatConvBuffer;

  2431.         src2= formatConvBuffer+VOFW;

  2432.     }

  2433.     else if (isGray(srcFormat) || srcFormat==PIX_FMT_MONOBLACK || srcFormat==PIX_FMT_MONOWHITE)

  2434.     {

  2435.         return;

  2436.     }

  2437.     else if (srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE  || srcFormat==PIX_FMT_RGB4_BYTE)

  2438.     {

  2439.         RENAME(palToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);

  2440.         src1= formatConvBuffer;

  2441.         src2= formatConvBuffer+VOFW;

  2442.     }

  2443. 

  2444. #if HAVE_MMX

  2445.     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).

  2446.     if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))

  2447. #else

  2448.     if (!(flags&SWS_FAST_BILINEAR))

  2449. #endif

  2450.     {

  2451.         RENAME(hScale)(dst     , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);

  2452.         RENAME(hScale)(dst+VOFW, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);

  2453.     }

  2454.     else // fast bilinear upscale / crap downscale

  2455.     {

  2456. #if ARCH_X86

  2457. #if HAVE_MMX2

  2458.         int i;

  2459. #if defined(PIC)

  2460.         uint64_t ebxsave __attribute__((aligned(8)));

  2461. #endif

  2462.         if (canMMX2BeUsed)

  2463.         {

  2464.             __asm__ volatile(

  2465. #if defined(PIC)

  2466.             "mov          %%"REG_b", %6         \n\t"

  2467. #endif

  2468.             "pxor             %%mm7, %%mm7      \n\t"

  2469.             "mov                 %0, %%"REG_c"  \n\t"

  2470.             "mov                 %1, %%"REG_D"  \n\t"

  2471.             "mov                 %2, %%"REG_d"  \n\t"

  2472.             "mov                 %3, %%"REG_b"  \n\t"

  2473.             "xor          %%"REG_a", %%"REG_a"  \n\t" // i

  2474.             PREFETCH"   (%%"REG_c")             \n\t"

  2475.             PREFETCH" 32(%%"REG_c")             \n\t"

  2476.             PREFETCH" 64(%%"REG_c")             \n\t"

  2477. 

  2478. #if ARCH_X86_64

  2479. 

  2480. #define FUNNY_UV_CODE \

  2481.             "movl       (%%"REG_b"), %%esi      \n\t"\

  2482.             "call               *%4             \n\t"\

  2483.             "movl (%%"REG_b", %%"REG_a"), %%esi \n\t"\

  2484.             "add          %%"REG_S", %%"REG_c"  \n\t"\

  2485.             "add          %%"REG_a", %%"REG_D"  \n\t"\

  2486.             "xor          %%"REG_a", %%"REG_a"  \n\t"\

  2487. 

  2488. #else

  2489. 

  2490. #define FUNNY_UV_CODE \

  2491.             "movl       (%%"REG_b"), %%esi      \n\t"\

  2492.             "call               *%4             \n\t"\

  2493.             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\

  2494.             "add          %%"REG_a", %%"REG_D"  \n\t"\

  2495.             "xor          %%"REG_a", %%"REG_a"  \n\t"\

  2496. 

  2497. #endif /* ARCH_X86_64 */

  2498. 

  2499. FUNNY_UV_CODE

  2500. FUNNY_UV_CODE

  2501. FUNNY_UV_CODE

  2502. FUNNY_UV_CODE

  2503.             "xor          %%"REG_a", %%"REG_a"  \n\t" // i

  2504.             "mov                 %5, %%"REG_c"  \n\t" // src

  2505.             "mov                 %1, %%"REG_D"  \n\t" // buf1

  2506.             "add              $"AV_STRINGIFY(VOF)", %%"REG_D"  \n\t"

  2507.             PREFETCH"   (%%"REG_c")             \n\t"

  2508.             PREFETCH" 32(%%"REG_c")             \n\t"

  2509.             PREFETCH" 64(%%"REG_c")             \n\t"

  2510. 

  2511. FUNNY_UV_CODE

  2512. FUNNY_UV_CODE

  2513. FUNNY_UV_CODE

  2514. FUNNY_UV_CODE

  2515. 

  2516. #if defined(PIC)

  2517.             "mov %6, %%"REG_b"    \n\t"

  2518. #endif

  2519.             :: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),

  2520.             "m" (funnyUVCode), "m" (src2)

  2521. #if defined(PIC)

  2522.             ,"m" (ebxsave)

  2523. #endif

  2524.             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D

  2525. #if !defined(PIC)

  2526.              ,"%"REG_b

  2527. #endif

  2528.             );

  2529.             for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)

  2530.             {

  2531.                 //printf("%d %d %d\n", dstWidth, i, srcW);

  2532.                 dst[i] = src1[srcW-1]*128;

  2533.                 dst[i+VOFW] = src2[srcW-1]*128;

  2534.             }

  2535.         }

  2536.         else

  2537.         {

  2538. #endif /* HAVE_MMX2 */

  2539.             long xInc_shr16 = (long) (xInc >> 16);

  2540.             uint16_t xInc_mask = xInc & 0xffff;

  2541.             __asm__ volatile(

  2542.             "xor %%"REG_a", %%"REG_a"               \n\t" // i

  2543.             "xor %%"REG_d", %%"REG_d"               \n\t" // xx

  2544.             "xorl    %%ecx, %%ecx                   \n\t" // 2*xalpha

  2545.             ASMALIGN(4)

  2546.             "1:                                     \n\t"

  2547.             "mov        %0, %%"REG_S"               \n\t"

  2548.             "movzbl  (%%"REG_S", %%"REG_d"), %%edi  \n\t" //src[xx]

  2549.             "movzbl 1(%%"REG_S", %%"REG_d"), %%esi  \n\t" //src[xx+1]

  2550.             "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]

  2551.             "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha

  2552.             "shll      $16, %%edi                   \n\t"

  2553.             "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)

  2554.             "mov        %1, %%"REG_D"               \n\t"

  2555.             "shrl       $9, %%esi                   \n\t"

  2556.             "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"

  2557. 

  2558.             "movzbl    (%5, %%"REG_d"), %%edi       \n\t" //src[xx]

  2559.             "movzbl   1(%5, %%"REG_d"), %%esi       \n\t" //src[xx+1]

  2560.             "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]

  2561.             "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha

  2562.             "shll      $16, %%edi                   \n\t"

  2563.             "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)

  2564.             "mov        %1, %%"REG_D"               \n\t"

  2565.             "shrl       $9, %%esi                   \n\t"

  2566.             "movw     %%si, "AV_STRINGIFY(VOF)"(%%"REG_D", %%"REG_a", 2)   \n\t"

  2567. 

  2568.             "addw       %4, %%cx                    \n\t" //2*xalpha += xInc&0xFF

  2569.             "adc        %3, %%"REG_d"               \n\t" //xx+= xInc>>8 + carry

  2570.             "add        $1, %%"REG_a"               \n\t"

  2571.             "cmp        %2, %%"REG_a"               \n\t"

  2572.             " jb        1b                          \n\t"

  2573. 

  2574. /* GCC 3.3 makes MPlayer crash on IA-32 machines when using "g" operand here,

  2575.    which is needed to support GCC 4.0. */

  2576. #if ARCH_X86_64 && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))

  2577.             :: "m" (src1), "m" (dst), "g" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),

  2578. #else

  2579.             :: "m" (src1), "m" (dst), "m" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),

  2580. #endif

  2581.             "r" (src2)

  2582.             : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"

  2583.             );

  2584. #if HAVE_MMX2

  2585.         } //if MMX2 can't be used

  2586. #endif

  2587. #else

  2588.         int i;

  2589.         unsigned int xpos=0;

  2590.         for (i=0;i<dstWidth;i++)

  2591.         {

  2592.             register unsigned int xx=xpos>>16;

  2593.             register unsigned int xalpha=(xpos&0xFFFF)>>9;

  2594.             dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);

  2595.             dst[i+VOFW]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);

  2596.             /* slower

  2597.             dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha;

  2598.             dst[i+VOFW]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha;

  2599.             */

  2600.             xpos+=xInc;

  2601.         }

  2602. #endif /* ARCH_X86 */

  2603.     }

  2604.     if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){

  2605.         int i;

  2606.         //FIXME all pal and rgb srcFormats could do this convertion as well

  2607.         //FIXME all scalers more complex than bilinear could do half of this transform

  2608.         if(c->srcRange){

  2609.             for (i=0; i<dstWidth; i++){

  2610.                 dst[i     ]= (dst[i     ]*1799 + 4081085)>>11; //1469

  2611.                 dst[i+VOFW]= (dst[i+VOFW]*1799 + 4081085)>>11; //1469

  2612.             }

  2613.         }else{

  2614.             for (i=0; i<dstWidth; i++){

  2615.                 dst[i     ]= (FFMIN(dst[i     ],30775)*4663 - 9289992)>>12; //-264

  2616.                 dst[i+VOFW]= (FFMIN(dst[i+VOFW],30775)*4663 - 9289992)>>12; //-264

  2617.             }

  2618.         }

  2619.     }

  2620. }

  2621. 

  2622. static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,

  2623.                            int srcSliceH, uint8_t* dst[], int dstStride[]){

  2624. 

  2625.     /* load a few things into local vars to make the code more readable? and faster */

  2626.     const int srcW= c->srcW;

  2627.     const int dstW= c->dstW;

  2628.     const int dstH= c->dstH;

  2629.     const int chrDstW= c->chrDstW;

  2630.     const int chrSrcW= c->chrSrcW;

  2631.     const int lumXInc= c->lumXInc;

  2632.     const int chrXInc= c->chrXInc;

  2633.     const int dstFormat= c->dstFormat;

  2634.     const int srcFormat= c->srcFormat;

  2635.     const int flags= c->flags;

  2636.     const int canMMX2BeUsed= c->canMMX2BeUsed;

  2637.     int16_t *vLumFilterPos= c->vLumFilterPos;

  2638.     int16_t *vChrFilterPos= c->vChrFilterPos;

  2639.     int16_t *hLumFilterPos= c->hLumFilterPos;

  2640.     int16_t *hChrFilterPos= c->hChrFilterPos;

  2641.     int16_t *vLumFilter= c->vLumFilter;

  2642.     int16_t *vChrFilter= c->vChrFilter;

  2643.     int16_t *hLumFilter= c->hLumFilter;

  2644.     int16_t *hChrFilter= c->hChrFilter;

  2645.     int32_t *lumMmxFilter= c->lumMmxFilter;

  2646.     int32_t *chrMmxFilter= c->chrMmxFilter;

  2647.     const int vLumFilterSize= c->vLumFilterSize;

  2648.     const int vChrFilterSize= c->vChrFilterSize;

  2649.     const int hLumFilterSize= c->hLumFilterSize;

  2650.     const int hChrFilterSize= c->hChrFilterSize;

  2651.     int16_t **lumPixBuf= c->lumPixBuf;

  2652.     int16_t **chrPixBuf= c->chrPixBuf;

  2653.     const int vLumBufSize= c->vLumBufSize;

  2654.     const int vChrBufSize= c->vChrBufSize;

  2655.     uint8_t *funnyYCode= c->funnyYCode;

  2656.     uint8_t *funnyUVCode= c->funnyUVCode;

  2657.     uint8_t *formatConvBuffer= c->formatConvBuffer;

  2658.     const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;

  2659.     const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);

  2660.     int lastDstY;

  2661.     uint32_t *pal=c->pal_yuv;

  2662. 

  2663.     /* vars which will change and which we need to store back in the context */

  2664.     int dstY= c->dstY;

  2665.     int lumBufIndex= c->lumBufIndex;

  2666.     int chrBufIndex= c->chrBufIndex;

  2667.     int lastInLumBuf= c->lastInLumBuf;

  2668.     int lastInChrBuf= c->lastInChrBuf;

  2669. 

  2670.     if (isPacked(c->srcFormat)){

  2671.         src[0]=

  2672.         src[1]=

  2673.         src[2]= src[0];

  2674.         srcStride[0]=

  2675.         srcStride[1]=

  2676.         srcStride[2]= srcStride[0];

  2677.     }

  2678.     srcStride[1]<<= c->vChrDrop;

  2679.     srcStride[2]<<= c->vChrDrop;

  2680. 

  2681.     //printf("swscale %X %X %X -> %X %X %X\n", (int)src[0], (int)src[1], (int)src[2],

  2682.     //       (int)dst[0], (int)dst[1], (int)dst[2]);

  2683. 

  2684. #if 0 //self test FIXME move to a vfilter or something

  2685.     {

  2686.     static volatile int i=0;

  2687.     i++;

  2688.     if (srcFormat==PIX_FMT_YUV420P && i==1 && srcSliceH>= c->srcH)

  2689.         selfTest(src, srcStride, c->srcW, c->srcH);

  2690.     i--;

  2691.     }

  2692. #endif

  2693. 

  2694.     //printf("sws Strides:%d %d %d -> %d %d %d\n", srcStride[0],srcStride[1],srcStride[2],

  2695.     //dstStride[0],dstStride[1],dstStride[2]);

  2696. 

  2697.     if (dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0)

  2698.     {

  2699.         static int warnedAlready=0; //FIXME move this into the context perhaps

  2700.         if (flags & SWS_PRINT_INFO && !warnedAlready)

  2701.         {

  2702.             av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n"

  2703.                    "         ->cannot do aligned memory accesses anymore\n");

  2704.             warnedAlready=1;

  2705.         }

  2706.     }

  2707. 

  2708.     /* Note the user might start scaling the picture in the middle so this

  2709.        will not get executed. This is not really intended but works

  2710.        currently, so people might do it. */

  2711.     if (srcSliceY ==0){

  2712.         lumBufIndex=0;

  2713.         chrBufIndex=0;

  2714.         dstY=0;

  2715.         lastInLumBuf= -1;

  2716.         lastInChrBuf= -1;

  2717.     }

  2718. 

  2719.     lastDstY= dstY;

  2720. 

  2721.     for (;dstY < dstH; dstY++){

  2722.         unsigned char *dest =dst[0]+dstStride[0]*dstY;

  2723.         const int chrDstY= dstY>>c->chrDstVSubSample;

  2724.         unsigned char *uDest=dst[1]+dstStride[1]*chrDstY;

  2725.         unsigned char *vDest=dst[2]+dstStride[2]*chrDstY;

  2726. 

  2727.         const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input

  2728.         const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input

  2729.         const int lastLumSrcY= firstLumSrcY + vLumFilterSize -1; // Last line needed as input

  2730.         const int lastChrSrcY= firstChrSrcY + vChrFilterSize -1; // Last line needed as input

  2731. 

  2732.         //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",

  2733.         // dstY, dstH, firstLumSrcY, lastInLumBuf, vLumBufSize, vChrBufSize, srcSliceY, srcSliceH, vLumFilterSize, firstChrSrcY, vChrFilterSize,  c->chrSrcVSubSample);

  2734.         //handle holes (FAST_BILINEAR & weird filters)

  2735.         if (firstLumSrcY > lastInLumBuf) lastInLumBuf= firstLumSrcY-1;

  2736.         if (firstChrSrcY > lastInChrBuf) lastInChrBuf= firstChrSrcY-1;

  2737.         //printf("%d %d %d\n", firstChrSrcY, lastInChrBuf, vChrBufSize);

  2738.         assert(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1);

  2739.         assert(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1);

  2740. 

  2741.         // Do we have enough lines in this slice to output the dstY line

  2742.         if (lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample))

  2743.         {

  2744.             //Do horizontal scaling

  2745.             while(lastInLumBuf < lastLumSrcY)

  2746.             {

  2747.                 uint8_t *s= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];

  2748.                 lumBufIndex++;

  2749.                 //printf("%d %d %d %d\n", lumBufIndex, vLumBufSize, lastInLumBuf,  lastLumSrcY);

  2750.                 assert(lumBufIndex < 2*vLumBufSize);

  2751.                 assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);

  2752.                 assert(lastInLumBuf + 1 - srcSliceY >= 0);

  2753.                 //printf("%d %d\n", lumBufIndex, vLumBufSize);

  2754.                 RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,

  2755.                                 flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,

  2756.                                 funnyYCode, c->srcFormat, formatConvBuffer,

  2757.                                 c->lumMmx2Filter, c->lumMmx2FilterPos, pal);

  2758.                 lastInLumBuf++;

  2759.             }

  2760.             while(lastInChrBuf < lastChrSrcY)

  2761.             {

  2762.                 uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];

  2763.                 uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];

  2764.                 chrBufIndex++;

  2765.                 assert(chrBufIndex < 2*vChrBufSize);

  2766.                 assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH));

  2767.                 assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);

  2768.                 //FIXME replace parameters through context struct (some at least)

  2769. 

  2770.                 if (!(isGray(srcFormat) || isGray(dstFormat)))

  2771.                     RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,

  2772.                                     flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,

  2773.                                     funnyUVCode, c->srcFormat, formatConvBuffer,

  2774.                                     c->chrMmx2Filter, c->chrMmx2FilterPos, pal);

  2775.                 lastInChrBuf++;

  2776.             }

  2777.             //wrap buf index around to stay inside the ring buffer

  2778.             if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;

  2779.             if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;

  2780.         }

  2781.         else // not enough lines left in this slice -> load the rest in the buffer

  2782.         {

  2783.             /* printf("%d %d Last:%d %d LastInBuf:%d %d Index:%d %d Y:%d FSize: %d %d BSize: %d %d\n",

  2784.             firstChrSrcY,firstLumSrcY,lastChrSrcY,lastLumSrcY,

  2785.             lastInChrBuf,lastInLumBuf,chrBufIndex,lumBufIndex,dstY,vChrFilterSize,vLumFilterSize,

  2786.             vChrBufSize, vLumBufSize);*/

  2787. 

  2788.             //Do horizontal scaling

  2789.             while(lastInLumBuf+1 < srcSliceY + srcSliceH)

  2790.             {

  2791.                 uint8_t *s= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];

  2792.                 lumBufIndex++;

  2793.                 assert(lumBufIndex < 2*vLumBufSize);

  2794.                 assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);

  2795.                 assert(lastInLumBuf + 1 - srcSliceY >= 0);

  2796.                 RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,

  2797.                                 flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,

  2798.                                 funnyYCode, c->srcFormat, formatConvBuffer,

  2799.                                 c->lumMmx2Filter, c->lumMmx2FilterPos, pal);

  2800.                 lastInLumBuf++;

  2801.             }

  2802.             while(lastInChrBuf+1 < (chrSrcSliceY + chrSrcSliceH))

  2803.             {

  2804.                 uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];

  2805.                 uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];

  2806.                 chrBufIndex++;

  2807.                 assert(chrBufIndex < 2*vChrBufSize);

  2808.                 assert(lastInChrBuf + 1 - chrSrcSliceY < chrSrcSliceH);

  2809.                 assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);

  2810. 

  2811.                 if (!(isGray(srcFormat) || isGray(dstFormat)))

  2812.                     RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,

  2813.                             flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,

  2814.                             funnyUVCode, c->srcFormat, formatConvBuffer,

  2815.                             c->chrMmx2Filter, c->chrMmx2FilterPos, pal);

  2816.                 lastInChrBuf++;

  2817.             }

  2818.             //wrap buf index around to stay inside the ring buffer

  2819.             if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;

  2820.             if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;

  2821.             break; //we can't output a dstY line so let's try with the next slice

  2822.         }

  2823. 

  2824. #if HAVE_MMX

  2825.         c->blueDither= ff_dither8[dstY&1];

  2826.         if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)

  2827.             c->greenDither= ff_dither8[dstY&1];

  2828.         else

  2829.             c->greenDither= ff_dither4[dstY&1];

  2830.         c->redDither= ff_dither8[(dstY+1)&1];

  2831. #endif

  2832.         if (dstY < dstH-2)

  2833.         {

  2834.             int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;

  2835.             int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;

  2836. #if HAVE_MMX

  2837.             int i;

  2838.         if (flags & SWS_ACCURATE_RND){

  2839.             int s= APCK_SIZE / 8;

  2840.             for (i=0; i<vLumFilterSize; i+=2){

  2841.                 *(void**)&lumMmxFilter[s*i              ]= lumSrcPtr[i  ];

  2842.                 *(void**)&lumMmxFilter[s*i+APCK_PTR2/4  ]= lumSrcPtr[i+(vLumFilterSize>1)];

  2843.                           lumMmxFilter[s*i+APCK_COEF/4  ]=

  2844.                           lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i    ]

  2845.                     + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);

  2846.             }

  2847.             for (i=0; i<vChrFilterSize; i+=2){

  2848.                 *(void**)&chrMmxFilter[s*i              ]= chrSrcPtr[i  ];

  2849.                 *(void**)&chrMmxFilter[s*i+APCK_PTR2/4  ]= chrSrcPtr[i+(vChrFilterSize>1)];

  2850.                           chrMmxFilter[s*i+APCK_COEF/4  ]=

  2851.                           chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i    ]

  2852.                     + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);

  2853.             }

  2854.         }else{

  2855.             for (i=0; i<vLumFilterSize; i++)

  2856.             {

  2857.                 lumMmxFilter[4*i+0]= (int32_t)lumSrcPtr[i];

  2858.                 lumMmxFilter[4*i+1]= (uint64_t)lumSrcPtr[i] >> 32;

  2859.                 lumMmxFilter[4*i+2]=

  2860.                 lumMmxFilter[4*i+3]=

  2861.                     ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;

  2862.             }

  2863.             for (i=0; i<vChrFilterSize; i++)

  2864.             {

  2865.                 chrMmxFilter[4*i+0]= (int32_t)chrSrcPtr[i];

  2866.                 chrMmxFilter[4*i+1]= (uint64_t)chrSrcPtr[i] >> 32;

  2867.                 chrMmxFilter[4*i+2]=

  2868.                 chrMmxFilter[4*i+3]=

  2869.                     ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;

  2870.             }

  2871.         }

  2872. #endif

  2873.             if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){

  2874.                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;

  2875.                 if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi

  2876.                 RENAME(yuv2nv12X)(c,

  2877.                     vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,

  2878.                     vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  2879.                     dest, uDest, dstW, chrDstW, dstFormat);

  2880.             }

  2881.             else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) //YV12 like

  2882.             {

  2883.                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;

  2884.                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi

  2885.                 if (vLumFilterSize == 1 && vChrFilterSize == 1) // unscaled YV12

  2886.                 {

  2887.                     int16_t *lumBuf = lumPixBuf[0];

  2888.                     int16_t *chrBuf= chrPixBuf[0];

  2889.                     RENAME(yuv2yuv1)(c, lumBuf, chrBuf, dest, uDest, vDest, dstW, chrDstW);

  2890.                 }

  2891.                 else //General YV12

  2892.                 {

  2893.                     RENAME(yuv2yuvX)(c,

  2894.                         vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,

  2895.                         vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  2896.                         dest, uDest, vDest, dstW, chrDstW);

  2897.                 }

  2898.             }

  2899.             else

  2900.             {

  2901.                 assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);

  2902.                 assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);

  2903.                 if (vLumFilterSize == 1 && vChrFilterSize == 2) //unscaled RGB

  2904.                 {

  2905.                     int chrAlpha= vChrFilter[2*dstY+1];

  2906.                     if(flags & SWS_FULL_CHR_H_INT){

  2907.                         yuv2rgbXinC_full(c, //FIXME write a packed1_full function

  2908.                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,

  2909.                             vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  2910.                             dest, dstW, dstY);

  2911.                     }else{

  2912.                         RENAME(yuv2packed1)(c, *lumSrcPtr, *chrSrcPtr, *(chrSrcPtr+1),

  2913.                             dest, dstW, chrAlpha, dstFormat, flags, dstY);

  2914.                     }

  2915.                 }

  2916.                 else if (vLumFilterSize == 2 && vChrFilterSize == 2) //bilinear upscale RGB

  2917.                 {

  2918.                     int lumAlpha= vLumFilter[2*dstY+1];

  2919.                     int chrAlpha= vChrFilter[2*dstY+1];

  2920.                     lumMmxFilter[2]=

  2921.                     lumMmxFilter[3]= vLumFilter[2*dstY   ]*0x10001;

  2922.                     chrMmxFilter[2]=

  2923.                     chrMmxFilter[3]= vChrFilter[2*chrDstY]*0x10001;

  2924.                     if(flags & SWS_FULL_CHR_H_INT){

  2925.                         yuv2rgbXinC_full(c, //FIXME write a packed2_full function

  2926.                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,

  2927.                             vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  2928.                             dest, dstW, dstY);

  2929.                     }else{

  2930.                         RENAME(yuv2packed2)(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),

  2931.                             dest, dstW, lumAlpha, chrAlpha, dstY);

  2932.                     }

  2933.                 }

  2934.                 else //general RGB

  2935.                 {

  2936.                     if(flags & SWS_FULL_CHR_H_INT){

  2937.                         yuv2rgbXinC_full(c,

  2938.                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,

  2939.                             vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  2940.                             dest, dstW, dstY);

  2941.                     }else{

  2942.                         RENAME(yuv2packedX)(c,

  2943.                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,

  2944.                             vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  2945.                             dest, dstW, dstY);

  2946.                     }

  2947.                 }

  2948.             }

  2949.         }

  2950.         else // hmm looks like we can't use MMX here without overwriting this array's tail

  2951.         {

  2952.             int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;

  2953.             int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;

  2954.             if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){

  2955.                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;

  2956.                 if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi

  2957.                 yuv2nv12XinC(

  2958.                     vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,

  2959.                     vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  2960.                     dest, uDest, dstW, chrDstW, dstFormat);

  2961.             }

  2962.             else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) //YV12

  2963.             {

  2964.                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;

  2965.                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi

  2966.                 yuv2yuvXinC(

  2967.                     vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,

  2968.                     vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  2969.                     dest, uDest, vDest, dstW, chrDstW);

  2970.             }

  2971.             else

  2972.             {

  2973.                 assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);

  2974.                 assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);

  2975.                 if(flags & SWS_FULL_CHR_H_INT){

  2976.                     yuv2rgbXinC_full(c,

  2977.                         vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,

  2978.                         vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  2979.                         dest, dstW, dstY);

  2980.                 }else{

  2981.                     yuv2packedXinC(c,

  2982.                         vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,

  2983.                         vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,

  2984.                         dest, dstW, dstY);

  2985.                 }

  2986.             }

  2987.         }

  2988.     }

  2989. 

  2990. #if HAVE_MMX

  2991.     __asm__ volatile(SFENCE:::"memory");

  2992.     __asm__ volatile(EMMS:::"memory");

  2993. #endif

  2994.     /* store changed local vars back in the context */

  2995.     c->dstY= dstY;

  2996.     c->lumBufIndex= lumBufIndex;

  2997.     c->chrBufIndex= chrBufIndex;

  2998.     c->lastInLumBuf= lastInLumBuf;

  2999.     c->lastInChrBuf= lastInChrBuf;

  3000. 

  3001.     return dstY - lastDstY;

  3002. }