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FFmpeg/libswscale/x86/swscale_mmx.c

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  1. /*

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

  3.  *

  4.  * This file is part of FFmpeg.

  5.  *

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

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

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

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

  10.  *

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

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

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

  14.  * Lesser General Public License for more details.

  15.  *

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

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

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

  19.  */

  20. 

  21. #include <inttypes.h>

  22. #include "config.h"

  23. #include "libswscale/swscale.h"

  24. #include "libswscale/swscale_internal.h"

  25. #include "libavutil/intreadwrite.h"

  26. #include "libavutil/x86_cpu.h"

  27. #include "libavutil/cpu.h"

  28. #include "libavutil/pixdesc.h"

  29. 

  30. #define DITHER1XBPP

  31. 

  32. DECLARE_ASM_CONST(8, uint64_t, bF8)=       0xF8F8F8F8F8F8F8F8LL;

  33. DECLARE_ASM_CONST(8, uint64_t, bFC)=       0xFCFCFCFCFCFCFCFCLL;

  34. DECLARE_ASM_CONST(8, uint64_t, w10)=       0x0010001000100010LL;

  35. DECLARE_ASM_CONST(8, uint64_t, w02)=       0x0002000200020002LL;

  36. 

  37. const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {

  38.     0x0103010301030103LL,

  39.     0x0200020002000200LL,};

  40. 

  41. const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {

  42.     0x0602060206020602LL,

  43.     0x0004000400040004LL,};

  44. 

  45. DECLARE_ASM_CONST(8, uint64_t, b16Mask)=   0x001F001F001F001FLL;

  46. DECLARE_ASM_CONST(8, uint64_t, g16Mask)=   0x07E007E007E007E0LL;

  47. DECLARE_ASM_CONST(8, uint64_t, r16Mask)=   0xF800F800F800F800LL;

  48. DECLARE_ASM_CONST(8, uint64_t, b15Mask)=   0x001F001F001F001FLL;

  49. DECLARE_ASM_CONST(8, uint64_t, g15Mask)=   0x03E003E003E003E0LL;

  50. DECLARE_ASM_CONST(8, uint64_t, r15Mask)=   0x7C007C007C007C00LL;

  51. 

  52. DECLARE_ALIGNED(8, const uint64_t, ff_M24A)         = 0x00FF0000FF0000FFLL;

  53. DECLARE_ALIGNED(8, const uint64_t, ff_M24B)         = 0xFF0000FF0000FF00LL;

  54. DECLARE_ALIGNED(8, const uint64_t, ff_M24C)         = 0x0000FF0000FF0000LL;

  55. 

  56. #ifdef FAST_BGR2YV12

  57. DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff)   = 0x000000210041000DULL;

  58. DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff)   = 0x0000FFEEFFDC0038ULL;

  59. DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff)   = 0x00000038FFD2FFF8ULL;

  60. #else

  61. DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff)   = 0x000020E540830C8BULL;

  62. DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff)   = 0x0000ED0FDAC23831ULL;

  63. DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff)   = 0x00003831D0E6F6EAULL;

  64. #endif /* FAST_BGR2YV12 */

  65. DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset)  = 0x1010101010101010ULL;

  66. DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;

  67. DECLARE_ALIGNED(8, const uint64_t, ff_w1111)        = 0x0001000100010001ULL;

  68. 

  69. 

  70. //MMX versions

  71. #if HAVE_MMX

  72. #undef RENAME

  73. #define COMPILE_TEMPLATE_MMX2 0

  74. #define RENAME(a) a ## _MMX

  75. #include "swscale_template.c"

  76. #endif

  77. 

  78. //MMX2 versions

  79. #if HAVE_MMX2

  80. #undef RENAME

  81. #undef COMPILE_TEMPLATE_MMX2

  82. #define COMPILE_TEMPLATE_MMX2 1

  83. #define RENAME(a) a ## _MMX2

  84. #include "swscale_template.c"

  85. #endif

  86. 

  87. void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex,

  88.                            int lastInLumBuf, int lastInChrBuf)

  89. {

  90.     const int dstH= c->dstH;

  91.     const int flags= c->flags;

  92.     int16_t **lumPixBuf= c->lumPixBuf;

  93.     int16_t **chrUPixBuf= c->chrUPixBuf;

  94.     int16_t **alpPixBuf= c->alpPixBuf;

  95.     const int vLumBufSize= c->vLumBufSize;

  96.     const int vChrBufSize= c->vChrBufSize;

  97.     int16_t *vLumFilterPos= c->vLumFilterPos;

  98.     int16_t *vChrFilterPos= c->vChrFilterPos;

  99.     int16_t *vLumFilter= c->vLumFilter;

  100.     int16_t *vChrFilter= c->vChrFilter;

  101.     int32_t *lumMmxFilter= c->lumMmxFilter;

  102.     int32_t *chrMmxFilter= c->chrMmxFilter;

  103.     int32_t av_unused *alpMmxFilter= c->alpMmxFilter;

  104.     const int vLumFilterSize= c->vLumFilterSize;

  105.     const int vChrFilterSize= c->vChrFilterSize;

  106.     const int chrDstY= dstY>>c->chrDstVSubSample;

  107.     const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input

  108.     const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input

  109. 

  110.     c->blueDither= ff_dither8[dstY&1];

  111.     if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)

  112.         c->greenDither= ff_dither8[dstY&1];

  113.     else

  114.         c->greenDither= ff_dither4[dstY&1];

  115.     c->redDither= ff_dither8[(dstY+1)&1];

  116.     if (dstY < dstH - 2) {

  117.         const int16_t **lumSrcPtr= (const int16_t **)(void*) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;

  118.         const int16_t **chrUSrcPtr= (const int16_t **)(void*) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;

  119.         const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)(void*) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;

  120.         int i;

  121.         if (flags & SWS_ACCURATE_RND) {

  122.             int s= APCK_SIZE / 8;

  123.             for (i=0; i<vLumFilterSize; i+=2) {

  124.                 *(const void**)&lumMmxFilter[s*i              ]= lumSrcPtr[i  ];

  125.                 *(const void**)&lumMmxFilter[s*i+APCK_PTR2/4  ]= lumSrcPtr[i+(vLumFilterSize>1)];

  126.                 lumMmxFilter[s*i+APCK_COEF/4  ]=

  127.                 lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i    ]

  128.                 + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);

  129.                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {

  130.                     *(const void**)&alpMmxFilter[s*i              ]= alpSrcPtr[i  ];

  131.                     *(const void**)&alpMmxFilter[s*i+APCK_PTR2/4  ]= alpSrcPtr[i+(vLumFilterSize>1)];

  132.                     alpMmxFilter[s*i+APCK_COEF/4  ]=

  133.                     alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4  ];

  134.                 }

  135.             }

  136.             for (i=0; i<vChrFilterSize; i+=2) {

  137.                 *(const void**)&chrMmxFilter[s*i              ]= chrUSrcPtr[i  ];

  138.                 *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4  ]= chrUSrcPtr[i+(vChrFilterSize>1)];

  139.                 chrMmxFilter[s*i+APCK_COEF/4  ]=

  140.                 chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i    ]

  141.                 + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);

  142.             }

  143.         } else {

  144.             for (i=0; i<vLumFilterSize; i++) {

  145.                 *(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];

  146.                 lumMmxFilter[4*i+2]=

  147.                 lumMmxFilter[4*i+3]=

  148.                 ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;

  149.                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {

  150.                     *(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];

  151.                     alpMmxFilter[4*i+2]=

  152.                     alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];

  153.                 }

  154.             }

  155.             for (i=0; i<vChrFilterSize; i++) {

  156.                 *(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];

  157.                 chrMmxFilter[4*i+2]=

  158.                 chrMmxFilter[4*i+3]=

  159.                 ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;

  160.             }

  161.         }

  162.     }

  163. }

  164. 

  165. #if HAVE_MMX2

  166. static void yuv2yuvX_sse3(const int16_t *filter, int filterSize,

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

  168.                            const uint8_t *dither, int offset)

  169. {

  170.     if(((int)dest) & 15){

  171.         return yuv2yuvX_MMX2(filter, filterSize, src, dest, dstW, dither, offset);

  172.     }

  173.     if (offset) {

  174.         __asm__ volatile("movq       (%0), %%xmm3\n\t"

  175.                          "movdqa    %%xmm3, %%xmm4\n\t"

  176.                          "psrlq       $24, %%xmm3\n\t"

  177.                          "psllq       $40, %%xmm4\n\t"

  178.                          "por       %%xmm4, %%xmm3\n\t"

  179.                          :: "r"(dither)

  180.                          );

  181.     } else {

  182.         __asm__ volatile("movq       (%0), %%xmm3\n\t"

  183.                          :: "r"(dither)

  184.                          );

  185.     }

  186.     __asm__ volatile(

  187.         "pxor      %%xmm0, %%xmm0\n\t"

  188.         "punpcklbw %%xmm0, %%xmm3\n\t"

  189.         "psraw        $4, %%xmm3\n\t"

  190.         "movdqa    %%xmm3, %%xmm4\n\t"

  191.         "movdqa    %%xmm3, %%xmm7\n\t"

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

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

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

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

  196.         "1:                                                 \n\t"\

  197.         "movddup                  8(%%"REG_d"), %%xmm0      \n\t" /* filterCoeff */\

  198.         "movdqa              (%%"REG_S", %%"REG_c", 2), %%xmm2      \n\t" /* srcData */\

  199.         "movdqa            16(%%"REG_S", %%"REG_c", 2), %%xmm5      \n\t" /* srcData */\

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

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

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

  203.         "pmulhw                           %%xmm0, %%xmm2      \n\t"\

  204.         "pmulhw                           %%xmm0, %%xmm5      \n\t"\

  205.         "paddw                            %%xmm2, %%xmm3      \n\t"\

  206.         "paddw                            %%xmm5, %%xmm4      \n\t"\

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

  208.         "psraw                               $3, %%xmm3      \n\t"\

  209.         "psraw                               $3, %%xmm4      \n\t"\

  210.         "packuswb                         %%xmm4, %%xmm3      \n\t"

  211.         "movntdq                          %%xmm3, (%1, %%"REG_c")\n\t"

  212.         "add                         $16, %%"REG_c"         \n\t"\

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

  214.         "movdqa    %%xmm7, %%xmm3\n\t"

  215.         "movdqa    %%xmm7, %%xmm4\n\t"

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

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

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

  219.         :: "g" (filter),

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

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

  222.     );

  223. }

  224. #endif

  225. 

  226. #define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \

  227. extern void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \

  228.                                                 SwsContext *c, int16_t *data, \

  229.                                                 int dstW, const uint8_t *src, \

  230.                                                 const int16_t *filter, \

  231.                                                 const int16_t *filterPos, int filterSize)

  232. 

  233. #define SCALE_FUNCS(filter_n, opt) \

  234.     SCALE_FUNC(filter_n,  8, 15, opt); \

  235.     SCALE_FUNC(filter_n,  9, 15, opt); \

  236.     SCALE_FUNC(filter_n, 10, 15, opt); \

  237.     SCALE_FUNC(filter_n, 14, 15, opt); \

  238.     SCALE_FUNC(filter_n, 16, 15, opt); \

  239.     SCALE_FUNC(filter_n,  8, 19, opt); \

  240.     SCALE_FUNC(filter_n,  9, 19, opt); \

  241.     SCALE_FUNC(filter_n, 10, 19, opt); \

  242.     SCALE_FUNC(filter_n, 14, 19, opt); \

  243.     SCALE_FUNC(filter_n, 16, 19, opt)

  244. 

  245. #define SCALE_FUNCS_MMX(opt) \

  246.     SCALE_FUNCS(4, opt); \

  247.     SCALE_FUNCS(8, opt); \

  248.     SCALE_FUNCS(X, opt)

  249. 

  250. #define SCALE_FUNCS_SSE(opt) \

  251.     SCALE_FUNCS(4, opt); \

  252.     SCALE_FUNCS(8, opt); \

  253.     SCALE_FUNCS(X4, opt); \

  254.     SCALE_FUNCS(X8, opt)

  255. 

  256. #if ARCH_X86_32

  257. SCALE_FUNCS_MMX(mmx);

  258. #endif

  259. SCALE_FUNCS_SSE(sse2);

  260. SCALE_FUNCS_SSE(ssse3);

  261. SCALE_FUNCS_SSE(sse4);

  262. 

  263. #define VSCALEX_FUNC(size, opt) \

  264. extern void ff_yuv2planeX_ ## size ## _ ## opt(const int16_t *filter, int filterSize, \

  265.                                                const int16_t **src, uint8_t *dest, int dstW, \

  266.                                                const uint8_t *dither, int offset)

  267. #define VSCALEX_FUNCS(opt) \

  268.     VSCALEX_FUNC(8,  opt); \

  269.     VSCALEX_FUNC(9,  opt); \

  270.     VSCALEX_FUNC(10, opt)

  271. 

  272. #if ARCH_X86_32

  273. VSCALEX_FUNCS(mmx2);

  274. #endif

  275. VSCALEX_FUNCS(sse2);

  276. VSCALEX_FUNCS(sse4);

  277. VSCALEX_FUNC(16, sse4);

  278. VSCALEX_FUNCS(avx);

  279. 

  280. #define VSCALE_FUNC(size, opt) \

  281. extern void ff_yuv2plane1_ ## size ## _ ## opt(const int16_t *src, uint8_t *dst, int dstW, \

  282.                                                const uint8_t *dither, int offset)

  283. #define VSCALE_FUNCS(opt1, opt2) \

  284.     VSCALE_FUNC(8,  opt1); \

  285.     VSCALE_FUNC(9,  opt2); \

  286.     VSCALE_FUNC(10, opt2); \

  287.     VSCALE_FUNC(16, opt1)

  288. 

  289. #if ARCH_X86_32

  290. VSCALE_FUNCS(mmx, mmx2);

  291. #endif

  292. VSCALE_FUNCS(sse2, sse2);

  293. VSCALE_FUNC(16, sse4);

  294. VSCALE_FUNCS(avx, avx);

  295. 

  296. #define INPUT_Y_FUNC(fmt, opt) \

  297. extern void ff_ ## fmt ## ToY_  ## opt(uint8_t *dst, const uint8_t *src, \

  298.                                        int w, uint32_t *unused)

  299. #define INPUT_UV_FUNC(fmt, opt) \

  300. extern void ff_ ## fmt ## ToUV_ ## opt(uint8_t *dstU, uint8_t *dstV, \

  301.                                        const uint8_t *src, const uint8_t *unused1, \

  302.                                        int w, uint32_t *unused2)

  303. #define INPUT_FUNC(fmt, opt) \

  304.     INPUT_Y_FUNC(fmt, opt); \

  305.     INPUT_UV_FUNC(fmt, opt)

  306. #define INPUT_FUNCS(opt) \

  307.     INPUT_FUNC(uyvy, opt); \

  308.     INPUT_FUNC(yuyv, opt); \

  309.     INPUT_UV_FUNC(nv12, opt); \

  310.     INPUT_UV_FUNC(nv21, opt); \

  311.     INPUT_FUNC(rgba, opt); \

  312.     INPUT_FUNC(bgra, opt); \

  313.     INPUT_FUNC(argb, opt); \

  314.     INPUT_FUNC(abgr, opt); \

  315.     INPUT_FUNC(rgb24, opt); \

  316.     INPUT_FUNC(bgr24, opt)

  317. 

  318. #if ARCH_X86_32

  319. INPUT_FUNCS(mmx);

  320. #endif

  321. INPUT_FUNCS(sse2);

  322. INPUT_FUNCS(ssse3);

  323. INPUT_FUNCS(avx);

  324. 

  325. void ff_sws_init_swScale_mmx(SwsContext *c)

  326. {

  327.     int cpu_flags = av_get_cpu_flags();

  328. 

  329.     if (cpu_flags & AV_CPU_FLAG_MMX)

  330.         sws_init_swScale_MMX(c);

  331. #if HAVE_MMX2

  332.     if (cpu_flags & AV_CPU_FLAG_MMX2)

  333.         sws_init_swScale_MMX2(c);

  334.     if (cpu_flags & AV_CPU_FLAG_SSE3){

  335.         if(c->use_mmx_vfilter && !(c->flags & SWS_ACCURATE_RND))

  336.             c->yuv2planeX = yuv2yuvX_sse3;

  337.     }

  338. #endif

  339. 

  340. #if HAVE_YASM

  341. #define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt1, opt2) do { \

  342.     if (c->srcBpc == 8) { \

  343.         hscalefn = c->dstBpc <= 10 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \

  344.                                      ff_hscale8to19_ ## filtersize ## _ ## opt1; \

  345.     } else if (c->srcBpc == 9) { \

  346.         hscalefn = c->dstBpc <= 10 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \

  347.                                      ff_hscale9to19_ ## filtersize ## _ ## opt1; \

  348.     } else if (c->srcBpc == 10) { \

  349.         hscalefn = c->dstBpc <= 10 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \

  350.                                      ff_hscale10to19_ ## filtersize ## _ ## opt1; \

  351.     } else if (c->srcBpc == 14 || ((c->srcFormat==PIX_FMT_PAL8||isAnyRGB(c->srcFormat)) && av_pix_fmt_descriptors[c->srcFormat].comp[0].depth_minus1<15)) { \

  352.         hscalefn = c->dstBpc <= 10 ? ff_hscale14to15_ ## filtersize ## _ ## opt2 : \

  353.                                      ff_hscale14to19_ ## filtersize ## _ ## opt1; \

  354.     } else { /* c->srcBpc == 16 */ \

  355.         hscalefn = c->dstBpc <= 10 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \

  356.                                      ff_hscale16to19_ ## filtersize ## _ ## opt1; \

  357.     } \

  358. } while (0)

  359. #define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \

  360.     switch (filtersize) { \

  361.     case 4:  ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \

  362.     case 8:  ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \

  363.     default: ASSIGN_SCALE_FUNC2(hscalefn, X, opt1, opt2); break; \

  364.     }

  365. #define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case) \

  366. switch(c->dstBpc){ \

  367.     case 16:                          /*do_16_case;*/                          break; \

  368.     case 10: if (!isBE(c->dstFormat)) /*vscalefn = ff_yuv2planeX_10_ ## opt;*/ break; \

  369.     case 9:  if (!isBE(c->dstFormat)) /*vscalefn = ff_yuv2planeX_9_  ## opt;*/ break; \

  370.     default:                          /*vscalefn = ff_yuv2planeX_8_  ## opt;*/ break; \

  371.     }

  372. #define ASSIGN_VSCALE_FUNC(vscalefn, opt1, opt2, opt2chk) \

  373.     switch(c->dstBpc){ \

  374.     case 16: if (!isBE(c->dstFormat))            vscalefn = ff_yuv2plane1_16_ ## opt1; break; \

  375.     case 10: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_10_ ## opt2; break; \

  376.     case 9:  if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_9_  ## opt2;  break; \

  377.     default:                                     vscalefn = ff_yuv2plane1_8_  ## opt1;  break; \

  378.     }

  379. #define case_rgb(x, X, opt) \

  380.         case PIX_FMT_ ## X: \

  381.             c->lumToYV12 = ff_ ## x ## ToY_ ## opt; \

  382.             if (!c->chrSrcHSubSample) \

  383.                 c->chrToYV12 = ff_ ## x ## ToUV_ ## opt; \

  384.             break

  385. #if ARCH_X86_32

  386.     if (cpu_flags & AV_CPU_FLAG_MMX) {

  387.         ASSIGN_MMX_SCALE_FUNC(c->hyScale, c->hLumFilterSize, mmx, mmx);

  388.         ASSIGN_MMX_SCALE_FUNC(c->hcScale, c->hChrFilterSize, mmx, mmx);

  389.         ASSIGN_VSCALE_FUNC(c->yuv2plane1, mmx, mmx2, cpu_flags & AV_CPU_FLAG_MMX2);

  390. 

  391.         switch (c->srcFormat) {

  392.         case PIX_FMT_Y400A:

  393.             c->lumToYV12 = ff_yuyvToY_mmx;

  394.             if (c->alpPixBuf)

  395.                 c->alpToYV12 = ff_uyvyToY_mmx;

  396.             break;

  397.         case PIX_FMT_YUYV422:

  398.             c->lumToYV12 = ff_yuyvToY_mmx;

  399.             c->chrToYV12 = ff_yuyvToUV_mmx;

  400.             break;

  401.         case PIX_FMT_UYVY422:

  402.             c->lumToYV12 = ff_uyvyToY_mmx;

  403.             c->chrToYV12 = ff_uyvyToUV_mmx;

  404.             break;

  405.         case PIX_FMT_NV12:

  406.             c->chrToYV12 = ff_nv12ToUV_mmx;

  407.             break;

  408.         case PIX_FMT_NV21:

  409.             c->chrToYV12 = ff_nv21ToUV_mmx;

  410.             break;

  411.         case_rgb(rgb24, RGB24, mmx);

  412.         case_rgb(bgr24, BGR24, mmx);

  413.         case_rgb(bgra,  BGRA,  mmx);

  414.         case_rgb(rgba,  RGBA,  mmx);

  415.         case_rgb(abgr,  ABGR,  mmx);

  416.         case_rgb(argb,  ARGB,  mmx);

  417.         default:

  418.             break;

  419.         }

  420.     }

  421.     if (cpu_flags & AV_CPU_FLAG_MMX2) {

  422.         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, mmx2,);

  423.     }

  424. #endif

  425. #define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \

  426.     switch (filtersize) { \

  427.     case 4:  ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \

  428.     case 8:  ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \

  429.     default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \

  430.              else                ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \

  431.              break; \

  432.     }

  433.     if (cpu_flags & AV_CPU_FLAG_SSE2) {

  434.         ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse2, sse2);

  435.         ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse2, sse2);

  436.         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse2,);

  437.         ASSIGN_VSCALE_FUNC(c->yuv2plane1, sse2, sse2, 1);

  438. 

  439.         switch (c->srcFormat) {

  440.         case PIX_FMT_Y400A:

  441.             c->lumToYV12 = ff_yuyvToY_sse2;

  442.             if (c->alpPixBuf)

  443.                 c->alpToYV12 = ff_uyvyToY_sse2;

  444.             break;

  445.         case PIX_FMT_YUYV422:

  446.             c->lumToYV12 = ff_yuyvToY_sse2;

  447.             c->chrToYV12 = ff_yuyvToUV_sse2;

  448.             break;

  449.         case PIX_FMT_UYVY422:

  450.             c->lumToYV12 = ff_uyvyToY_sse2;

  451.             c->chrToYV12 = ff_uyvyToUV_sse2;

  452.             break;

  453.         case PIX_FMT_NV12:

  454.             c->chrToYV12 = ff_nv12ToUV_sse2;

  455.             break;

  456.         case PIX_FMT_NV21:

  457.             c->chrToYV12 = ff_nv21ToUV_sse2;

  458.             break;

  459.         case_rgb(rgb24, RGB24, sse2);

  460.         case_rgb(bgr24, BGR24, sse2);

  461.         case_rgb(bgra,  BGRA,  sse2);

  462.         case_rgb(rgba,  RGBA,  sse2);

  463.         case_rgb(abgr,  ABGR,  sse2);

  464.         case_rgb(argb,  ARGB,  sse2);

  465.         default:

  466.             break;

  467.         }

  468.     }

  469.     if (cpu_flags & AV_CPU_FLAG_SSSE3) {

  470.         ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, ssse3, ssse3);

  471.         ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, ssse3, ssse3);

  472.         switch (c->srcFormat) {

  473.         case_rgb(rgb24, RGB24, ssse3);

  474.         case_rgb(bgr24, BGR24, ssse3);

  475.         default:

  476.             break;

  477.         }

  478.     }

  479.     if (cpu_flags & AV_CPU_FLAG_SSE4) {

  480.         /* Xto15 don't need special sse4 functions */

  481.         ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse4, ssse3);

  482.         ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse4, ssse3);

  483.         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse4,

  484.                             if (!isBE(c->dstFormat)) c->yuv2planeX = ff_yuv2planeX_16_sse4);

  485.         if (c->dstBpc == 16 && !isBE(c->dstFormat))

  486.             c->yuv2plane1 = ff_yuv2plane1_16_sse4;

  487.     }

  488. 

  489.     if (HAVE_AVX && cpu_flags & AV_CPU_FLAG_AVX) {

  490.         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, avx,);

  491.         ASSIGN_VSCALE_FUNC(c->yuv2plane1, avx, avx, 1);

  492. 

  493.         switch (c->srcFormat) {

  494.         case PIX_FMT_YUYV422:

  495.             c->chrToYV12 = ff_yuyvToUV_avx;

  496.             break;

  497.         case PIX_FMT_UYVY422:

  498.             c->chrToYV12 = ff_uyvyToUV_avx;

  499.             break;

  500.         case PIX_FMT_NV12:

  501.             c->chrToYV12 = ff_nv12ToUV_avx;

  502.             break;

  503.         case PIX_FMT_NV21:

  504.             c->chrToYV12 = ff_nv21ToUV_avx;

  505.             break;

  506.         case_rgb(rgb24, RGB24, avx);

  507.         case_rgb(bgr24, BGR24, avx);

  508.         case_rgb(bgra,  BGRA,  avx);

  509.         case_rgb(rgba,  RGBA,  avx);

  510.         case_rgb(abgr,  ABGR,  avx);

  511.         case_rgb(argb,  ARGB,  avx);

  512.         default:

  513.             break;

  514.         }

  515.     }

  516. #endif

  517. }