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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/avassert.h"

  26. #include "libavutil/intreadwrite.h"

  27. #include "libavutil/x86_cpu.h"

  28. #include "libavutil/cpu.h"

  29. #include "libavutil/pixdesc.h"

  30. 

  31. #define DITHER1XBPP

  32. 

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

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

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

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

  37. 

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

  39.     0x0103010301030103LL,

  40.     0x0200020002000200LL,};

  41. 

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

  43.     0x0602060206020602LL,

  44.     0x0004000400040004LL,};

  45. 

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

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

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

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

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

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

  52. 

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

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

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

  56. 

  57. #ifdef FAST_BGR2YV12

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

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

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

  61. #else

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

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

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

  65. #endif /* FAST_BGR2YV12 */

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

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

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

  69. 

  70. 

  71. //MMX versions

  72. #if HAVE_MMX

  73. #undef RENAME

  74. #define COMPILE_TEMPLATE_MMX2 0

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

  76. #include "swscale_template.c"

  77. #endif

  78. 

  79. //MMX2 versions

  80. #if HAVE_MMX2

  81. #undef RENAME

  82. #undef COMPILE_TEMPLATE_MMX2

  83. #define COMPILE_TEMPLATE_MMX2 1

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

  85. #include "swscale_template.c"

  86. #endif

  87. 

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

  89.                            int lastInLumBuf, int lastInChrBuf)

  90. {

  91.     const int dstH= c->dstH;

  92.     const int flags= c->flags;

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

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

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

  96.     const int vLumBufSize= c->vLumBufSize;

  97.     const int vChrBufSize= c->vChrBufSize;

  98.     int32_t *vLumFilterPos= c->vLumFilterPos;

  99.     int32_t *vChrFilterPos= c->vChrFilterPos;

  100.     int16_t *vLumFilter= c->vLumFilter;

  101.     int16_t *vChrFilter= c->vChrFilter;

  102.     int32_t *lumMmxFilter= c->lumMmxFilter;

  103.     int32_t *chrMmxFilter= c->chrMmxFilter;

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

  105.     const int vLumFilterSize= c->vLumFilterSize;

  106.     const int vChrFilterSize= c->vChrFilterSize;

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

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

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

  110. 

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

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

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

  114.     else

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

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

  117.     if (dstY < dstH - 2) {

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

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

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

  121.         int i;

  122. 

  123.         if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) {

  124.             const int16_t **tmpY = (const int16_t **) lumPixBuf + 2 * vLumBufSize;

  125.             int neg = -firstLumSrcY, i, end = FFMIN(c->srcH - firstLumSrcY, vLumFilterSize);

  126.             for (i = 0; i < neg;            i++)

  127.                 tmpY[i] = lumSrcPtr[neg];

  128.             for (     ; i < end;            i++)

  129.                 tmpY[i] = lumSrcPtr[i];

  130.             for (     ; i < vLumFilterSize; i++)

  131.                 tmpY[i] = tmpY[i-1];

  132.             lumSrcPtr = tmpY;

  133. 

  134.             if (alpSrcPtr) {

  135.                 const int16_t **tmpA = (const int16_t **) alpPixBuf + 2 * vLumBufSize;

  136.                 for (i = 0; i < neg;            i++)

  137.                     tmpA[i] = alpSrcPtr[neg];

  138.                 for (     ; i < end;            i++)

  139.                     tmpA[i] = alpSrcPtr[i];

  140.                 for (     ; i < vLumFilterSize; i++)

  141.                     tmpA[i] = tmpA[i - 1];

  142.                 alpSrcPtr = tmpA;

  143.             }

  144.         }

  145.         if (firstChrSrcY < 0 || firstChrSrcY + vChrFilterSize > c->chrSrcH) {

  146.             const int16_t **tmpU = (const int16_t **) chrUPixBuf + 2 * vChrBufSize;

  147.             int neg = -firstChrSrcY, i, end = FFMIN(c->chrSrcH - firstChrSrcY, vChrFilterSize);

  148.             for (i = 0; i < neg;            i++) {

  149.                 tmpU[i] = chrUSrcPtr[neg];

  150.             }

  151.             for (     ; i < end;            i++) {

  152.                 tmpU[i] = chrUSrcPtr[i];

  153.             }

  154.             for (     ; i < vChrFilterSize; i++) {

  155.                 tmpU[i] = tmpU[i - 1];

  156.             }

  157.             chrUSrcPtr = tmpU;

  158.         }

  159. 

  160.         if (flags & SWS_ACCURATE_RND) {

  161.             int s= APCK_SIZE / 8;

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

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

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

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

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

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

  168.                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {

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

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

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

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

  173.                 }

  174.             }

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

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

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

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

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

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

  181.             }

  182.         } else {

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

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

  185.                 lumMmxFilter[4*i+2]=

  186.                 lumMmxFilter[4*i+3]=

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

  188.                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {

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

  190.                     alpMmxFilter[4*i+2]=

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

  192.                 }

  193.             }

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

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

  196.                 chrMmxFilter[4*i+2]=

  197.                 chrMmxFilter[4*i+3]=

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

  199.             }

  200.         }

  201.     }

  202. }

  203. 

  204. #if HAVE_MMX2

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

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

  207.                            const uint8_t *dither, int offset)

  208. {

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

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

  211.     }

  212.     if (offset) {

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

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

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

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

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

  218.                          :: "r"(dither)

  219.                          );

  220.     } else {

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

  222.                          :: "r"(dither)

  223.                          );

  224.     }

  225.     __asm__ volatile(

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

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

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

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

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

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

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

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

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

  235.         "1:                                                 \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  258.         :: "g" (filter),

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

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

  261.     );

  262. }

  263. #endif

  264. 

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

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

  267.                                                 SwsContext *c, int16_t *data, \

  268.                                                 int dstW, const uint8_t *src, \

  269.                                                 const int16_t *filter, \

  270.                                                 const int32_t *filterPos, int filterSize)

  271. 

  272. #define SCALE_FUNCS(filter_n, opt) \

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

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

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

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

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

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

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

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

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

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

  283. 

  284. #define SCALE_FUNCS_MMX(opt) \

  285.     SCALE_FUNCS(4, opt); \

  286.     SCALE_FUNCS(8, opt); \

  287.     SCALE_FUNCS(X, opt)

  288. 

  289. #define SCALE_FUNCS_SSE(opt) \

  290.     SCALE_FUNCS(4, opt); \

  291.     SCALE_FUNCS(8, opt); \

  292.     SCALE_FUNCS(X4, opt); \

  293.     SCALE_FUNCS(X8, opt)

  294. 

  295. #if ARCH_X86_32

  296. SCALE_FUNCS_MMX(mmx);

  297. #endif

  298. SCALE_FUNCS_SSE(sse2);

  299. SCALE_FUNCS_SSE(ssse3);

  300. SCALE_FUNCS_SSE(sse4);

  301. 

  302. #define VSCALEX_FUNC(size, opt) \

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

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

  305.                                                const uint8_t *dither, int offset)

  306. #define VSCALEX_FUNCS(opt) \

  307.     VSCALEX_FUNC(8,  opt); \

  308.     VSCALEX_FUNC(9,  opt); \

  309.     VSCALEX_FUNC(10, opt)

  310. 

  311. #if ARCH_X86_32

  312. VSCALEX_FUNCS(mmx2);

  313. #endif

  314. VSCALEX_FUNCS(sse2);

  315. VSCALEX_FUNCS(sse4);

  316. VSCALEX_FUNC(16, sse4);

  317. VSCALEX_FUNCS(avx);

  318. 

  319. #define VSCALE_FUNC(size, opt) \

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

  321.                                                const uint8_t *dither, int offset)

  322. #define VSCALE_FUNCS(opt1, opt2) \

  323.     VSCALE_FUNC(8,  opt1); \

  324.     VSCALE_FUNC(9,  opt2); \

  325.     VSCALE_FUNC(10, opt2); \

  326.     VSCALE_FUNC(16, opt1)

  327. 

  328. #if ARCH_X86_32

  329. VSCALE_FUNCS(mmx, mmx2);

  330. #endif

  331. VSCALE_FUNCS(sse2, sse2);

  332. VSCALE_FUNC(16, sse4);

  333. VSCALE_FUNCS(avx, avx);

  334. 

  335. #define INPUT_Y_FUNC(fmt, opt) \

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

  337.                                        int w, uint32_t *unused)

  338. #define INPUT_UV_FUNC(fmt, opt) \

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

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

  341.                                        int w, uint32_t *unused2)

  342. #define INPUT_FUNC(fmt, opt) \

  343.     INPUT_Y_FUNC(fmt, opt); \

  344.     INPUT_UV_FUNC(fmt, opt)

  345. #define INPUT_FUNCS(opt) \

  346.     INPUT_FUNC(uyvy, opt); \

  347.     INPUT_FUNC(yuyv, opt); \

  348.     INPUT_UV_FUNC(nv12, opt); \

  349.     INPUT_UV_FUNC(nv21, opt); \

  350.     INPUT_FUNC(rgba, opt); \

  351.     INPUT_FUNC(bgra, opt); \

  352.     INPUT_FUNC(argb, opt); \

  353.     INPUT_FUNC(abgr, opt); \

  354.     INPUT_FUNC(rgb24, opt); \

  355.     INPUT_FUNC(bgr24, opt)

  356. 

  357. #if ARCH_X86_32

  358. INPUT_FUNCS(mmx);

  359. #endif

  360. INPUT_FUNCS(sse2);

  361. INPUT_FUNCS(ssse3);

  362. INPUT_FUNCS(avx);

  363. 

  364. void ff_sws_init_swScale_mmx(SwsContext *c)

  365. {

  366.     int cpu_flags = av_get_cpu_flags();

  367. 

  368.     if (cpu_flags & AV_CPU_FLAG_MMX)

  369.         sws_init_swScale_MMX(c);

  370. #if HAVE_MMX2

  371.     if (cpu_flags & AV_CPU_FLAG_MMX2)

  372.         sws_init_swScale_MMX2(c);

  373.     if (cpu_flags & AV_CPU_FLAG_SSE3){

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

  375.             c->yuv2planeX = yuv2yuvX_sse3;

  376.     }

  377. #endif

  378. 

  379. #if HAVE_YASM

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

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

  382.         hscalefn = c->dstBpc <= 14 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \

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

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

  385.         hscalefn = c->dstBpc <= 14 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \

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

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

  388.         hscalefn = c->dstBpc <= 14 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \

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

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

  391.         hscalefn = c->dstBpc <= 14 ? ff_hscale14to15_ ## filtersize ## _ ## opt2 : \

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

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

  394.         hscalefn = c->dstBpc <= 14 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \

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

  396.     } \

  397. } while (0)

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

  399.     switch (filtersize) { \

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

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

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

  403.     }

  404. #define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case, condition_8bit) \

  405. switch(c->dstBpc){ \

  406.     case 16:                          do_16_case;                          break; \

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

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

  409.     default: if (condition_8bit)    /*vscalefn = ff_yuv2planeX_8_  ## opt;*/ break; \

  410.     }

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

  412.     switch(c->dstBpc){ \

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

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

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

  416.     case 8:                                      vscalefn = ff_yuv2plane1_8_  ## opt1;  break; \

  417.     default: av_assert0(c->dstBpc>8); \

  418.     }

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

  420.         case PIX_FMT_ ## X: \

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

  422.             if (!c->chrSrcHSubSample) \

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

  424.             break

  425. #if ARCH_X86_32

  426.     if (cpu_flags & AV_CPU_FLAG_MMX) {

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

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

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

  430. 

  431.         switch (c->srcFormat) {

  432.         case PIX_FMT_Y400A:

  433.             c->lumToYV12 = ff_yuyvToY_mmx;

  434.             if (c->alpPixBuf)

  435.                 c->alpToYV12 = ff_uyvyToY_mmx;

  436.             break;

  437.         case PIX_FMT_YUYV422:

  438.             c->lumToYV12 = ff_yuyvToY_mmx;

  439.             c->chrToYV12 = ff_yuyvToUV_mmx;

  440.             break;

  441.         case PIX_FMT_UYVY422:

  442.             c->lumToYV12 = ff_uyvyToY_mmx;

  443.             c->chrToYV12 = ff_uyvyToUV_mmx;

  444.             break;

  445.         case PIX_FMT_NV12:

  446.             c->chrToYV12 = ff_nv12ToUV_mmx;

  447.             break;

  448.         case PIX_FMT_NV21:

  449.             c->chrToYV12 = ff_nv21ToUV_mmx;

  450.             break;

  451.         case_rgb(rgb24, RGB24, mmx);

  452.         case_rgb(bgr24, BGR24, mmx);

  453.         case_rgb(bgra,  BGRA,  mmx);

  454.         case_rgb(rgba,  RGBA,  mmx);

  455.         case_rgb(abgr,  ABGR,  mmx);

  456.         case_rgb(argb,  ARGB,  mmx);

  457.         default:

  458.             break;

  459.         }

  460.     }

  461.     if (cpu_flags & AV_CPU_FLAG_MMX2) {

  462.         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, mmx2, , 1);

  463.     }

  464. #endif

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

  466.     switch (filtersize) { \

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

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

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

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

  471.              break; \

  472.     }

  473.     if (cpu_flags & AV_CPU_FLAG_SSE2) {

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

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

  476.         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse2, ,

  477.                             HAVE_ALIGNED_STACK || ARCH_X86_64);

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

  479. 

  480.         switch (c->srcFormat) {

  481.         case PIX_FMT_Y400A:

  482.             c->lumToYV12 = ff_yuyvToY_sse2;

  483.             if (c->alpPixBuf)

  484.                 c->alpToYV12 = ff_uyvyToY_sse2;

  485.             break;

  486.         case PIX_FMT_YUYV422:

  487.             c->lumToYV12 = ff_yuyvToY_sse2;

  488.             c->chrToYV12 = ff_yuyvToUV_sse2;

  489.             break;

  490.         case PIX_FMT_UYVY422:

  491.             c->lumToYV12 = ff_uyvyToY_sse2;

  492.             c->chrToYV12 = ff_uyvyToUV_sse2;

  493.             break;

  494.         case PIX_FMT_NV12:

  495.             c->chrToYV12 = ff_nv12ToUV_sse2;

  496.             break;

  497.         case PIX_FMT_NV21:

  498.             c->chrToYV12 = ff_nv21ToUV_sse2;

  499.             break;

  500.         case_rgb(rgb24, RGB24, sse2);

  501.         case_rgb(bgr24, BGR24, sse2);

  502.         case_rgb(bgra,  BGRA,  sse2);

  503.         case_rgb(rgba,  RGBA,  sse2);

  504.         case_rgb(abgr,  ABGR,  sse2);

  505.         case_rgb(argb,  ARGB,  sse2);

  506.         default:

  507.             break;

  508.         }

  509.     }

  510.     if (cpu_flags & AV_CPU_FLAG_SSSE3) {

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

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

  513.         switch (c->srcFormat) {

  514.         case_rgb(rgb24, RGB24, ssse3);

  515.         case_rgb(bgr24, BGR24, ssse3);

  516.         default:

  517.             break;

  518.         }

  519.     }

  520.     if (cpu_flags & AV_CPU_FLAG_SSE4) {

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

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

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

  524.         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse4,

  525.                             if (!isBE(c->dstFormat)) c->yuv2planeX = ff_yuv2planeX_16_sse4,

  526.                             HAVE_ALIGNED_STACK || ARCH_X86_64);

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

  528.             c->yuv2plane1 = ff_yuv2plane1_16_sse4;

  529.     }

  530. 

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

  532.         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, avx, ,

  533.                             HAVE_ALIGNED_STACK || ARCH_X86_64);

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

  535. 

  536.         switch (c->srcFormat) {

  537.         case PIX_FMT_YUYV422:

  538.             c->chrToYV12 = ff_yuyvToUV_avx;

  539.             break;

  540.         case PIX_FMT_UYVY422:

  541.             c->chrToYV12 = ff_uyvyToUV_avx;

  542.             break;

  543.         case PIX_FMT_NV12:

  544.             c->chrToYV12 = ff_nv12ToUV_avx;

  545.             break;

  546.         case PIX_FMT_NV21:

  547.             c->chrToYV12 = ff_nv21ToUV_avx;

  548.             break;

  549.         case_rgb(rgb24, RGB24, avx);

  550.         case_rgb(bgr24, BGR24, avx);

  551.         case_rgb(bgra,  BGRA,  avx);

  552.         case_rgb(rgba,  RGBA,  avx);

  553.         case_rgb(abgr,  ABGR,  avx);

  554.         case_rgb(argb,  ARGB,  avx);

  555.         default:

  556.             break;

  557.         }

  558.     }

  559. #endif

  560. }