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FFmpeg/libswscale/x86/swscale.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/attributes.h"

  26. #include "libavutil/avassert.h"

  27. #include "libavutil/intreadwrite.h"

  28. #include "libavutil/x86/cpu.h"

  29. #include "libavutil/cpu.h"

  30. #include "libavutil/pixdesc.h"

  31. 

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

  33.     0x0103010301030103LL,

  34.     0x0200020002000200LL,};

  35. 

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

  37.     0x0602060206020602LL,

  38.     0x0004000400040004LL,};

  39. 

  40. #if HAVE_INLINE_ASM

  41. 

  42. #define DITHER1XBPP

  43. 

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

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

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

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

  48. 

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

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

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

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

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

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

  55. 

  56. DECLARE_ASM_ALIGNED(8, const uint64_t, ff_M24A)         = 0x00FF0000FF0000FFLL;

  57. DECLARE_ASM_ALIGNED(8, const uint64_t, ff_M24B)         = 0xFF0000FF0000FF00LL;

  58. DECLARE_ASM_ALIGNED(8, const uint64_t, ff_M24C)         = 0x0000FF0000FF0000LL;

  59. 

  60. DECLARE_ASM_ALIGNED(8, const uint64_t, ff_bgr2YOffset)  = 0x1010101010101010ULL;

  61. DECLARE_ASM_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;

  62. DECLARE_ASM_ALIGNED(8, const uint64_t, ff_w1111)        = 0x0001000100010001ULL;

  63. 

  64. 

  65. //MMX versions

  66. #if HAVE_MMX_INLINE

  67. #undef RENAME

  68. #define COMPILE_TEMPLATE_MMXEXT 0

  69. #define RENAME(a) a ## _mmx

  70. #include "swscale_template.c"

  71. #endif

  72. 

  73. // MMXEXT versions

  74. #if HAVE_MMXEXT_INLINE

  75. #undef RENAME

  76. #undef COMPILE_TEMPLATE_MMXEXT

  77. #define COMPILE_TEMPLATE_MMXEXT 1

  78. #define RENAME(a) a ## _mmxext

  79. #include "swscale_template.c"

  80. #endif

  81. 

  82. void ff_updateMMXDitherTables(SwsContext *c, int dstY)

  83. {

  84.     const int dstH= c->dstH;

  85.     const int flags= c->flags;

  86. 

  87.     SwsPlane *lumPlane = &c->slice[c->numSlice-2].plane[0];

  88.     SwsPlane *chrUPlane = &c->slice[c->numSlice-2].plane[1];

  89.     SwsPlane *alpPlane = &c->slice[c->numSlice-2].plane[3];

  90. 

  91.     int hasAlpha = c->needAlpha;

  92.     int32_t *vLumFilterPos= c->vLumFilterPos;

  93.     int32_t *vChrFilterPos= c->vChrFilterPos;

  94.     int16_t *vLumFilter= c->vLumFilter;

  95.     int16_t *vChrFilter= c->vChrFilter;

  96.     int32_t *lumMmxFilter= c->lumMmxFilter;

  97.     int32_t *chrMmxFilter= c->chrMmxFilter;

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

  99.     const int vLumFilterSize= c->vLumFilterSize;

  100.     const int vChrFilterSize= c->vChrFilterSize;

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

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

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

  104. 

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

  106.     if (c->dstFormat == AV_PIX_FMT_RGB555 || c->dstFormat == AV_PIX_FMT_BGR555)

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

  108.     else

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

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

  111.     if (dstY < dstH - 2) {

  112.         const int16_t **lumSrcPtr  = (const int16_t **)(void*) lumPlane->line + firstLumSrcY - lumPlane->sliceY;

  113.         const int16_t **chrUSrcPtr = (const int16_t **)(void*) chrUPlane->line + firstChrSrcY - chrUPlane->sliceY;

  114.         const int16_t **alpSrcPtr  = (CONFIG_SWSCALE_ALPHA && hasAlpha) ? (const int16_t **)(void*) alpPlane->line + firstLumSrcY - alpPlane->sliceY : NULL;

  115. 

  116.         int i;

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

  118.             const int16_t **tmpY = (const int16_t **) lumPlane->tmp;

  119. 

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

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

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

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

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

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

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

  127.             lumSrcPtr = tmpY;

  128. 

  129.             if (alpSrcPtr) {

  130.                 const int16_t **tmpA = (const int16_t **) alpPlane->tmp;

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

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

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

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

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

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

  137.                 alpSrcPtr = tmpA;

  138.             }

  139.         }

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

  141.             const int16_t **tmpU = (const int16_t **) chrUPlane->tmp;

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

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

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

  145.             }

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

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

  148.             }

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

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

  151.             }

  152.             chrUSrcPtr = tmpU;

  153.         }

  154. 

  155.         if (flags & SWS_ACCURATE_RND) {

  156.             int s= APCK_SIZE / 8;

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

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

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

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

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

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

  163.                 if (CONFIG_SWSCALE_ALPHA && hasAlpha) {

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

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

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

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

  168.                 }

  169.             }

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

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

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

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

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

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

  176.             }

  177.         } else {

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

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

  180.                 lumMmxFilter[4*i+2]=

  181.                 lumMmxFilter[4*i+3]=

  182.                 ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001U;

  183.                 if (CONFIG_SWSCALE_ALPHA && hasAlpha) {

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

  185.                     alpMmxFilter[4*i+2]=

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

  187.                 }

  188.             }

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

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

  191.                 chrMmxFilter[4*i+2]=

  192.                 chrMmxFilter[4*i+3]=

  193.                 ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001U;

  194.             }

  195.         }

  196.     }

  197. }

  198. 

  199. #if HAVE_MMXEXT

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

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

  202.                            const uint8_t *dither, int offset)

  203. {

  204.     if(((uintptr_t)dest) & 15){

  205.         yuv2yuvX_mmxext(filter, filterSize, src, dest, dstW, dither, offset);

  206.         return;

  207.     }

  208.     filterSize--;

  209. #define MAIN_FUNCTION \

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

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

  212.         "movd           %4, %%xmm1 \n\t" \

  213.         "punpcklwd  %%xmm1, %%xmm1 \n\t" \

  214.         "punpckldq  %%xmm1, %%xmm1 \n\t" \

  215.         "punpcklqdq %%xmm1, %%xmm1 \n\t" \

  216.         "psllw          $3, %%xmm1 \n\t" \

  217.         "paddw      %%xmm1, %%xmm3 \n\t" \

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

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

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

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

  222.         "mov                                 %0, %%"FF_REG_d"        \n\t"\

  223.         "mov                        (%%"FF_REG_d"), %%"FF_REG_S"     \n\t"\

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

  225.         "1:                                                 \n\t"\

  226.         "movddup                  8(%%"FF_REG_d"), %%xmm0   \n\t" /* filterCoeff */\

  227.         "movdqa              (%%"FF_REG_S", %%"FF_REG_c", 2), %%xmm2 \n\t" /* srcData */\

  228.         "movdqa            16(%%"FF_REG_S", %%"FF_REG_c", 2), %%xmm5 \n\t" /* srcData */\

  229.         "add                                $16, %%"FF_REG_d"        \n\t"\

  230.         "mov                        (%%"FF_REG_d"), %%"FF_REG_S"     \n\t"\

  231.         "test                         %%"FF_REG_S", %%"FF_REG_S"     \n\t"\

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

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

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

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

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

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

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

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

  240.         "movntdq                          %%xmm3, (%1, %%"FF_REG_c") \n\t"\

  241.         "add                         $16, %%"FF_REG_c"        \n\t"\

  242.         "cmp                          %2, %%"FF_REG_c"        \n\t"\

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

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

  245.         "mov                                 %0, %%"FF_REG_d"        \n\t"\

  246.         "mov                        (%%"FF_REG_d"), %%"FF_REG_S"     \n\t"\

  247.         "jb                                  1b             \n\t"

  248. 

  249.     if (offset) {

  250.         __asm__ volatile(

  251.             "movq          %5, %%xmm3  \n\t"

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

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

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

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

  256.             MAIN_FUNCTION

  257.               :: "g" (filter),

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

  259.               "m"(filterSize), "m"(((uint64_t *) dither)[0])

  260.               : XMM_CLOBBERS("%xmm0" , "%xmm1" , "%xmm2" , "%xmm3" , "%xmm4" , "%xmm5" , "%xmm7" ,)

  261.                 "%"FF_REG_d, "%"FF_REG_S, "%"FF_REG_c

  262.               );

  263.     } else {

  264.         __asm__ volatile(

  265.             "movq          %5, %%xmm3   \n\t"

  266.             MAIN_FUNCTION

  267.               :: "g" (filter),

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

  269.               "m"(filterSize), "m"(((uint64_t *) dither)[0])

  270.               : XMM_CLOBBERS("%xmm0" , "%xmm1" , "%xmm2" , "%xmm3" , "%xmm4" , "%xmm5" , "%xmm7" ,)

  271.                 "%"FF_REG_d, "%"FF_REG_S, "%"FF_REG_c

  272.               );

  273.     }

  274. }

  275. #endif

  276. 

  277. #endif /* HAVE_INLINE_ASM */

  278. 

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

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

  281.                                                 SwsContext *c, int16_t *data, \

  282.                                                 int dstW, const uint8_t *src, \

  283.                                                 const int16_t *filter, \

  284.                                                 const int32_t *filterPos, int filterSize)

  285. 

  286. #define SCALE_FUNCS(filter_n, opt) \

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

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

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

  290.     SCALE_FUNC(filter_n, 12, 15, opt); \

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

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

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

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

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

  296.     SCALE_FUNC(filter_n, 12, 19, opt); \

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

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

  299. 

  300. #define SCALE_FUNCS_MMX(opt) \

  301.     SCALE_FUNCS(4, opt); \

  302.     SCALE_FUNCS(8, opt); \

  303.     SCALE_FUNCS(X, opt)

  304. 

  305. #define SCALE_FUNCS_SSE(opt) \

  306.     SCALE_FUNCS(4, opt); \

  307.     SCALE_FUNCS(8, opt); \

  308.     SCALE_FUNCS(X4, opt); \

  309.     SCALE_FUNCS(X8, opt)

  310. 

  311. #if ARCH_X86_32

  312. SCALE_FUNCS_MMX(mmx);

  313. #endif

  314. SCALE_FUNCS_SSE(sse2);

  315. SCALE_FUNCS_SSE(ssse3);

  316. SCALE_FUNCS_SSE(sse4);

  317. 

  318. #define VSCALEX_FUNC(size, opt) \

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

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

  321.                                         const uint8_t *dither, int offset)

  322. #define VSCALEX_FUNCS(opt) \

  323.     VSCALEX_FUNC(8,  opt); \

  324.     VSCALEX_FUNC(9,  opt); \

  325.     VSCALEX_FUNC(10, opt)

  326. 

  327. #if ARCH_X86_32

  328. VSCALEX_FUNCS(mmxext);

  329. #endif

  330. VSCALEX_FUNCS(sse2);

  331. VSCALEX_FUNCS(sse4);

  332. VSCALEX_FUNC(16, sse4);

  333. VSCALEX_FUNCS(avx);

  334. 

  335. #define VSCALE_FUNC(size, opt) \

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

  337.                                         const uint8_t *dither, int offset)

  338. #define VSCALE_FUNCS(opt1, opt2) \

  339.     VSCALE_FUNC(8,  opt1); \

  340.     VSCALE_FUNC(9,  opt2); \

  341.     VSCALE_FUNC(10, opt2); \

  342.     VSCALE_FUNC(16, opt1)

  343. 

  344. #if ARCH_X86_32

  345. VSCALE_FUNCS(mmx, mmxext);

  346. #endif

  347. VSCALE_FUNCS(sse2, sse2);

  348. VSCALE_FUNC(16, sse4);

  349. VSCALE_FUNCS(avx, avx);

  350. 

  351. #define INPUT_Y_FUNC(fmt, opt) \

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

  353.                                 const uint8_t *unused1, const uint8_t *unused2, \

  354.                                 int w, uint32_t *unused)

  355. #define INPUT_UV_FUNC(fmt, opt) \

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

  357.                                 const uint8_t *unused0, \

  358.                                 const uint8_t *src1, \

  359.                                 const uint8_t *src2, \

  360.                                 int w, uint32_t *unused)

  361. #define INPUT_FUNC(fmt, opt) \

  362.     INPUT_Y_FUNC(fmt, opt); \

  363.     INPUT_UV_FUNC(fmt, opt)

  364. #define INPUT_FUNCS(opt) \

  365.     INPUT_FUNC(uyvy, opt); \

  366.     INPUT_FUNC(yuyv, opt); \

  367.     INPUT_UV_FUNC(nv12, opt); \

  368.     INPUT_UV_FUNC(nv21, opt); \

  369.     INPUT_FUNC(rgba, opt); \

  370.     INPUT_FUNC(bgra, opt); \

  371.     INPUT_FUNC(argb, opt); \

  372.     INPUT_FUNC(abgr, opt); \

  373.     INPUT_FUNC(rgb24, opt); \

  374.     INPUT_FUNC(bgr24, opt)

  375. 

  376. #if ARCH_X86_32

  377. INPUT_FUNCS(mmx);

  378. #endif

  379. INPUT_FUNCS(sse2);

  380. INPUT_FUNCS(ssse3);

  381. INPUT_FUNCS(avx);

  382. 

  383. #if ARCH_X86_64

  384. #define YUV2NV_DECL(fmt, opt) \

  385. void ff_yuv2 ## fmt ## cX_ ## opt(enum AVPixelFormat format, const uint8_t *dither, \

  386.                                   const int16_t *filter, int filterSize, \

  387.                                   const int16_t **u, const int16_t **v, \

  388.                                   uint8_t *dst, int dstWidth)

  389. 

  390. YUV2NV_DECL(nv12, avx2);

  391. YUV2NV_DECL(nv21, avx2);

  392. #endif

  393. 

  394. av_cold void ff_sws_init_swscale_x86(SwsContext *c)

  395. {

  396.     int cpu_flags = av_get_cpu_flags();

  397. 

  398. #if HAVE_MMX_INLINE

  399.     if (INLINE_MMX(cpu_flags))

  400.         sws_init_swscale_mmx(c);

  401. #endif

  402. #if HAVE_MMXEXT_INLINE

  403.     if (INLINE_MMXEXT(cpu_flags))

  404.         sws_init_swscale_mmxext(c);

  405.     if (cpu_flags & AV_CPU_FLAG_SSE3){

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

  407.             c->yuv2planeX = yuv2yuvX_sse3;

  408.     }

  409. #endif

  410. 

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

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

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

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

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

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

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

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

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

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

  421.     } else if (c->srcBpc == 12) { \

  422.         hscalefn = c->dstBpc <= 14 ? ff_hscale12to15_ ## filtersize ## _ ## opt2 : \

  423.                                      ff_hscale12to19_ ## filtersize ## _ ## opt1; \

  424.     } else if (c->srcBpc == 14 || ((c->srcFormat==AV_PIX_FMT_PAL8||isAnyRGB(c->srcFormat)) && av_pix_fmt_desc_get(c->srcFormat)->comp[0].depth<16)) { \

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

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

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

  428.         av_assert0(c->srcBpc == 16);\

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

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

  431.     } \

  432. } while (0)

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

  434.     switch (filtersize) { \

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

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

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

  438.     }

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

  440. switch(c->dstBpc){ \

  441.     case 16:                          do_16_case;                          break; \

  442.     case 10: if (!isBE(c->dstFormat) && c->dstFormat != AV_PIX_FMT_P010LE) vscalefn = ff_yuv2planeX_10_ ## opt; break; \

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

  444.     case 8: if ((condition_8bit) && !c->use_mmx_vfilter) vscalefn = ff_yuv2planeX_8_  ## opt; break; \

  445.     }

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

  447.     switch(c->dstBpc){ \

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

  449.     case 10: if (!isBE(c->dstFormat) && c->dstFormat != AV_PIX_FMT_P010LE && opt2chk) vscalefn = ff_yuv2plane1_10_ ## opt2; break; \

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

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

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

  453.     }

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

  455.         case AV_PIX_FMT_ ## X: \

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

  457.             if (!c->chrSrcHSubSample) \

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

  459.             break

  460. #if ARCH_X86_32

  461.     if (EXTERNAL_MMX(cpu_flags)) {

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

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

  464.         ASSIGN_VSCALE_FUNC(c->yuv2plane1, mmx, mmxext, cpu_flags & AV_CPU_FLAG_MMXEXT);

  465. 

  466.         switch (c->srcFormat) {

  467.         case AV_PIX_FMT_YA8:

  468.             c->lumToYV12 = ff_yuyvToY_mmx;

  469.             if (c->needAlpha)

  470.                 c->alpToYV12 = ff_uyvyToY_mmx;

  471.             break;

  472.         case AV_PIX_FMT_YUYV422:

  473.             c->lumToYV12 = ff_yuyvToY_mmx;

  474.             c->chrToYV12 = ff_yuyvToUV_mmx;

  475.             break;

  476.         case AV_PIX_FMT_UYVY422:

  477.             c->lumToYV12 = ff_uyvyToY_mmx;

  478.             c->chrToYV12 = ff_uyvyToUV_mmx;

  479.             break;

  480.         case AV_PIX_FMT_NV12:

  481.             c->chrToYV12 = ff_nv12ToUV_mmx;

  482.             break;

  483.         case AV_PIX_FMT_NV21:

  484.             c->chrToYV12 = ff_nv21ToUV_mmx;

  485.             break;

  486.         case_rgb(rgb24, RGB24, mmx);

  487.         case_rgb(bgr24, BGR24, mmx);

  488.         case_rgb(bgra,  BGRA,  mmx);

  489.         case_rgb(rgba,  RGBA,  mmx);

  490.         case_rgb(abgr,  ABGR,  mmx);

  491.         case_rgb(argb,  ARGB,  mmx);

  492.         default:

  493.             break;

  494.         }

  495.     }

  496.     if (EXTERNAL_MMXEXT(cpu_flags)) {

  497.         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, mmxext, , 1);

  498.     }

  499. #endif /* ARCH_X86_32 */

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

  501.     switch (filtersize) { \

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

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

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

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

  506.              break; \

  507.     }

  508.     if (EXTERNAL_SSE2(cpu_flags)) {

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

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

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

  512.                             HAVE_ALIGNED_STACK || ARCH_X86_64);

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

  514. 

  515.         switch (c->srcFormat) {

  516.         case AV_PIX_FMT_YA8:

  517.             c->lumToYV12 = ff_yuyvToY_sse2;

  518.             if (c->needAlpha)

  519.                 c->alpToYV12 = ff_uyvyToY_sse2;

  520.             break;

  521.         case AV_PIX_FMT_YUYV422:

  522.             c->lumToYV12 = ff_yuyvToY_sse2;

  523.             c->chrToYV12 = ff_yuyvToUV_sse2;

  524.             break;

  525.         case AV_PIX_FMT_UYVY422:

  526.             c->lumToYV12 = ff_uyvyToY_sse2;

  527.             c->chrToYV12 = ff_uyvyToUV_sse2;

  528.             break;

  529.         case AV_PIX_FMT_NV12:

  530.             c->chrToYV12 = ff_nv12ToUV_sse2;

  531.             break;

  532.         case AV_PIX_FMT_NV21:

  533.             c->chrToYV12 = ff_nv21ToUV_sse2;

  534.             break;

  535.         case_rgb(rgb24, RGB24, sse2);

  536.         case_rgb(bgr24, BGR24, sse2);

  537.         case_rgb(bgra,  BGRA,  sse2);

  538.         case_rgb(rgba,  RGBA,  sse2);

  539.         case_rgb(abgr,  ABGR,  sse2);

  540.         case_rgb(argb,  ARGB,  sse2);

  541.         default:

  542.             break;

  543.         }

  544.     }

  545.     if (EXTERNAL_SSSE3(cpu_flags)) {

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

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

  548.         switch (c->srcFormat) {

  549.         case_rgb(rgb24, RGB24, ssse3);

  550.         case_rgb(bgr24, BGR24, ssse3);

  551.         default:

  552.             break;

  553.         }

  554.     }

  555.     if (EXTERNAL_SSE4(cpu_flags)) {

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

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

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

  559.         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse4,

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

  561.                             HAVE_ALIGNED_STACK || ARCH_X86_64);

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

  563.             c->yuv2plane1 = ff_yuv2plane1_16_sse4;

  564.     }

  565. 

  566.     if (EXTERNAL_AVX(cpu_flags)) {

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

  568.                             HAVE_ALIGNED_STACK || ARCH_X86_64);

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

  570. 

  571.         switch (c->srcFormat) {

  572.         case AV_PIX_FMT_YUYV422:

  573.             c->chrToYV12 = ff_yuyvToUV_avx;

  574.             break;

  575.         case AV_PIX_FMT_UYVY422:

  576.             c->chrToYV12 = ff_uyvyToUV_avx;

  577.             break;

  578.         case AV_PIX_FMT_NV12:

  579.             c->chrToYV12 = ff_nv12ToUV_avx;

  580.             break;

  581.         case AV_PIX_FMT_NV21:

  582.             c->chrToYV12 = ff_nv21ToUV_avx;

  583.             break;

  584.         case_rgb(rgb24, RGB24, avx);

  585.         case_rgb(bgr24, BGR24, avx);

  586.         case_rgb(bgra,  BGRA,  avx);

  587.         case_rgb(rgba,  RGBA,  avx);

  588.         case_rgb(abgr,  ABGR,  avx);

  589.         case_rgb(argb,  ARGB,  avx);

  590.         default:

  591.             break;

  592.         }

  593.     }

  594. 

  595. #if ARCH_X86_64

  596.     if (EXTERNAL_AVX2_FAST(cpu_flags)) {

  597.         switch (c->dstFormat) {

  598.         case AV_PIX_FMT_NV12:

  599.         case AV_PIX_FMT_NV24:

  600.             c->yuv2nv12cX = ff_yuv2nv12cX_avx2;

  601.             break;

  602.         case AV_PIX_FMT_NV21:

  603.         case AV_PIX_FMT_NV42:

  604.             c->yuv2nv12cX = ff_yuv2nv21cX_avx2;

  605.             break;

  606.         default:

  607.             break;

  608.         }

  609.     }

  610. #endif

  611. }