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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/asm.h"

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

  30. #include "libavutil/cpu.h"

  31. #include "libavutil/pixdesc.h"

  32. 

  33. #if HAVE_INLINE_ASM

  34. 

  35. #define DITHER1XBPP

  36. 

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

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

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

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

  41. 

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

  43.     0x0103010301030103LL,

  44.     0x0200020002000200LL,};

  45. 

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

  47.     0x0602060206020602LL,

  48.     0x0004000400040004LL,};

  49. 

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

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

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

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

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

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

  56. 

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

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

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

  60. 

  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. 

  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_INLINE

  72. #undef RENAME

  73. #define COMPILE_TEMPLATE_MMXEXT 0

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

  75. #include "swscale_template.c"

  76. #endif

  77. 

  78. // MMXEXT versions

  79. #if HAVE_MMXEXT_INLINE

  80. #undef RENAME

  81. #undef COMPILE_TEMPLATE_MMXEXT

  82. #define COMPILE_TEMPLATE_MMXEXT 1

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

  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.     int32_t *vLumFilterPos= c->vLumFilterPos;

  98.     int32_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 == AV_PIX_FMT_RGB555 || c->dstFormat == AV_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. 

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

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

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

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

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

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

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

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

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

  131.             lumSrcPtr = tmpY;

  132. 

  133.             if (alpSrcPtr) {

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

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

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

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

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

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

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

  141.                 alpSrcPtr = tmpA;

  142.             }

  143.         }

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

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

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

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

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

  149.             }

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

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

  152.             }

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

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

  155.             }

  156.             chrUSrcPtr = tmpU;

  157.         }

  158. 

  159.         if (flags & SWS_ACCURATE_RND) {

  160.             int s= APCK_SIZE / 8;

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

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

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

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

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

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

  167.                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {

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

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

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

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

  172.                 }

  173.             }

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

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

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

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

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

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

  180.             }

  181.         } else {

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

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

  184.                 lumMmxFilter[4*i+2]=

  185.                 lumMmxFilter[4*i+3]=

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

  187.                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {

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

  189.                     alpMmxFilter[4*i+2]=

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

  191.                 }

  192.             }

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

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

  195.                 chrMmxFilter[4*i+2]=

  196.                 chrMmxFilter[4*i+3]=

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

  198.             }

  199.         }

  200.     }

  201. }

  202. 

  203. #if HAVE_MMXEXT

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

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

  206.                            const uint8_t *dither, int offset)

  207. {

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

  209.         return yuv2yuvX_MMXEXT(filter, filterSize, src, dest, dstW, dither, offset);

  210.     }

  211.     if (offset) {

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

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

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

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

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

  217.                          :: "r"(dither)

  218.                          );

  219.     } else {

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

  221.                          :: "r"(dither)

  222.                          );

  223.     }

  224.     filterSize--;

  225.     __asm__ volatile(

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

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

  228.         "movd          %0, %%xmm1\n\t"

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

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

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

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

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

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

  235.         ::"m"(filterSize)

  236.      );

  237.     __asm__ volatile(

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

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

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

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

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

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

  244.         "1:                                                 \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  267.         :: "g" (filter),

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

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

  270.     );

  271. }

  272. #endif

  273. 

  274. #endif /* HAVE_INLINE_ASM */

  275. 

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

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

  278.                                                 SwsContext *c, int16_t *data, \

  279.                                                 int dstW, const uint8_t *src, \

  280.                                                 const int16_t *filter, \

  281.                                                 const int32_t *filterPos, int filterSize)

  282. 

  283. #define SCALE_FUNCS(filter_n, opt) \

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

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

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

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

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

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

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

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

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

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

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

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

  296. 

  297. #define SCALE_FUNCS_MMX(opt) \

  298.     SCALE_FUNCS(4, opt); \

  299.     SCALE_FUNCS(8, opt); \

  300.     SCALE_FUNCS(X, opt)

  301. 

  302. #define SCALE_FUNCS_SSE(opt) \

  303.     SCALE_FUNCS(4, opt); \

  304.     SCALE_FUNCS(8, opt); \

  305.     SCALE_FUNCS(X4, opt); \

  306.     SCALE_FUNCS(X8, opt)

  307. 

  308. #if ARCH_X86_32

  309. SCALE_FUNCS_MMX(mmx);

  310. #endif

  311. SCALE_FUNCS_SSE(sse2);

  312. SCALE_FUNCS_SSE(ssse3);

  313. SCALE_FUNCS_SSE(sse4);

  314. 

  315. #define VSCALEX_FUNC(size, opt) \

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

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

  318.                                         const uint8_t *dither, int offset)

  319. #define VSCALEX_FUNCS(opt) \

  320.     VSCALEX_FUNC(8,  opt); \

  321.     VSCALEX_FUNC(9,  opt); \

  322.     VSCALEX_FUNC(10, opt)

  323. 

  324. #if ARCH_X86_32

  325. VSCALEX_FUNCS(mmxext);

  326. #endif

  327. VSCALEX_FUNCS(sse2);

  328. VSCALEX_FUNCS(sse4);

  329. VSCALEX_FUNC(16, sse4);

  330. VSCALEX_FUNCS(avx);

  331. 

  332. #define VSCALE_FUNC(size, opt) \

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

  334.                                         const uint8_t *dither, int offset)

  335. #define VSCALE_FUNCS(opt1, opt2) \

  336.     VSCALE_FUNC(8,  opt1); \

  337.     VSCALE_FUNC(9,  opt2); \

  338.     VSCALE_FUNC(10, opt2); \

  339.     VSCALE_FUNC(16, opt1)

  340. 

  341. #if ARCH_X86_32

  342. VSCALE_FUNCS(mmx, mmxext);

  343. #endif

  344. VSCALE_FUNCS(sse2, sse2);

  345. VSCALE_FUNC(16, sse4);

  346. VSCALE_FUNCS(avx, avx);

  347. 

  348. #define INPUT_Y_FUNC(fmt, opt) \

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

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

  351.                                 int w, uint32_t *unused)

  352. #define INPUT_UV_FUNC(fmt, opt) \

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

  354.                                 const uint8_t *unused0, \

  355.                                 const uint8_t *src1, \

  356.                                 const uint8_t *src2, \

  357.                                 int w, uint32_t *unused)

  358. #define INPUT_FUNC(fmt, opt) \

  359.     INPUT_Y_FUNC(fmt, opt); \

  360.     INPUT_UV_FUNC(fmt, opt)

  361. #define INPUT_FUNCS(opt) \

  362.     INPUT_FUNC(uyvy, opt); \

  363.     INPUT_FUNC(yuyv, opt); \

  364.     INPUT_UV_FUNC(nv12, opt); \

  365.     INPUT_UV_FUNC(nv21, opt); \

  366.     INPUT_FUNC(rgba, opt); \

  367.     INPUT_FUNC(bgra, opt); \

  368.     INPUT_FUNC(argb, opt); \

  369.     INPUT_FUNC(abgr, opt); \

  370.     INPUT_FUNC(rgb24, opt); \

  371.     INPUT_FUNC(bgr24, opt)

  372. 

  373. #if ARCH_X86_32

  374. INPUT_FUNCS(mmx);

  375. #endif

  376. INPUT_FUNCS(sse2);

  377. INPUT_FUNCS(ssse3);

  378. INPUT_FUNCS(avx);

  379. 

  380. av_cold void ff_sws_init_swscale_x86(SwsContext *c)

  381. {

  382.     int cpu_flags = av_get_cpu_flags();

  383. 

  384. #if HAVE_MMX_INLINE

  385.     if (cpu_flags & AV_CPU_FLAG_MMX)

  386.         sws_init_swscale_MMX(c);

  387. #endif

  388. #if HAVE_MMXEXT_INLINE

  389.     if (cpu_flags & AV_CPU_FLAG_MMXEXT)

  390.         sws_init_swscale_MMXEXT(c);

  391.     if (cpu_flags & AV_CPU_FLAG_SSE3){

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

  393.             c->yuv2planeX = yuv2yuvX_sse3;

  394.     }

  395. #endif

  396. 

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

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

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

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

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

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

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

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

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

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

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

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

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

  410.     } else if (c->srcBpc == 14 || ((c->srcFormat==AV_PIX_FMT_PAL8||isAnyRGB(c->srcFormat)) && av_pix_fmt_desc_get(c->srcFormat)->comp[0].depth_minus1<15)) { \

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

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

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

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

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

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

  417.     } \

  418. } while (0)

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

  420.     switch (filtersize) { \

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

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

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

  424.     }

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

  426. switch(c->dstBpc){ \

  427.     case 16:                          do_16_case;                          break; \

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

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

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

  431.     }

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

  433.     switch(c->dstBpc){ \

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

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

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

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

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

  439.     }

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

  441.         case AV_PIX_FMT_ ## X: \

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

  443.             if (!c->chrSrcHSubSample) \

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

  445.             break

  446. #if ARCH_X86_32

  447.     if (EXTERNAL_MMX(cpu_flags)) {

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

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

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

  451. 

  452.         switch (c->srcFormat) {

  453.         case AV_PIX_FMT_Y400A:

  454.             c->lumToYV12 = ff_yuyvToY_mmx;

  455.             if (c->alpPixBuf)

  456.                 c->alpToYV12 = ff_uyvyToY_mmx;

  457.             break;

  458.         case AV_PIX_FMT_YUYV422:

  459.             c->lumToYV12 = ff_yuyvToY_mmx;

  460.             c->chrToYV12 = ff_yuyvToUV_mmx;

  461.             break;

  462.         case AV_PIX_FMT_UYVY422:

  463.             c->lumToYV12 = ff_uyvyToY_mmx;

  464.             c->chrToYV12 = ff_uyvyToUV_mmx;

  465.             break;

  466.         case AV_PIX_FMT_NV12:

  467.             c->chrToYV12 = ff_nv12ToUV_mmx;

  468.             break;

  469.         case AV_PIX_FMT_NV21:

  470.             c->chrToYV12 = ff_nv21ToUV_mmx;

  471.             break;

  472.         case_rgb(rgb24, RGB24, mmx);

  473.         case_rgb(bgr24, BGR24, mmx);

  474.         case_rgb(bgra,  BGRA,  mmx);

  475.         case_rgb(rgba,  RGBA,  mmx);

  476.         case_rgb(abgr,  ABGR,  mmx);

  477.         case_rgb(argb,  ARGB,  mmx);

  478.         default:

  479.             break;

  480.         }

  481.     }

  482.     if (EXTERNAL_MMXEXT(cpu_flags)) {

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

  484.     }

  485. #endif /* ARCH_X86_32 */

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

  487.     switch (filtersize) { \

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

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

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

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

  492.              break; \

  493.     }

  494.     if (EXTERNAL_SSE2(cpu_flags)) {

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

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

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

  498.                             HAVE_ALIGNED_STACK || ARCH_X86_64);

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

  500. 

  501.         switch (c->srcFormat) {

  502.         case AV_PIX_FMT_Y400A:

  503.             c->lumToYV12 = ff_yuyvToY_sse2;

  504.             if (c->alpPixBuf)

  505.                 c->alpToYV12 = ff_uyvyToY_sse2;

  506.             break;

  507.         case AV_PIX_FMT_YUYV422:

  508.             c->lumToYV12 = ff_yuyvToY_sse2;

  509.             c->chrToYV12 = ff_yuyvToUV_sse2;

  510.             break;

  511.         case AV_PIX_FMT_UYVY422:

  512.             c->lumToYV12 = ff_uyvyToY_sse2;

  513.             c->chrToYV12 = ff_uyvyToUV_sse2;

  514.             break;

  515.         case AV_PIX_FMT_NV12:

  516.             c->chrToYV12 = ff_nv12ToUV_sse2;

  517.             break;

  518.         case AV_PIX_FMT_NV21:

  519.             c->chrToYV12 = ff_nv21ToUV_sse2;

  520.             break;

  521.         case_rgb(rgb24, RGB24, sse2);

  522.         case_rgb(bgr24, BGR24, sse2);

  523.         case_rgb(bgra,  BGRA,  sse2);

  524.         case_rgb(rgba,  RGBA,  sse2);

  525.         case_rgb(abgr,  ABGR,  sse2);

  526.         case_rgb(argb,  ARGB,  sse2);

  527.         default:

  528.             break;

  529.         }

  530.     }

  531.     if (EXTERNAL_SSSE3(cpu_flags)) {

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

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

  534.         switch (c->srcFormat) {

  535.         case_rgb(rgb24, RGB24, ssse3);

  536.         case_rgb(bgr24, BGR24, ssse3);

  537.         default:

  538.             break;

  539.         }

  540.     }

  541.     if (EXTERNAL_SSE4(cpu_flags)) {

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

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

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

  545.         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse4,

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

  547.                             HAVE_ALIGNED_STACK || ARCH_X86_64);

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

  549.             c->yuv2plane1 = ff_yuv2plane1_16_sse4;

  550.     }

  551. 

  552.     if (EXTERNAL_AVX(cpu_flags)) {

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

  554.                             HAVE_ALIGNED_STACK || ARCH_X86_64);

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

  556. 

  557.         switch (c->srcFormat) {

  558.         case AV_PIX_FMT_YUYV422:

  559.             c->chrToYV12 = ff_yuyvToUV_avx;

  560.             break;

  561.         case AV_PIX_FMT_UYVY422:

  562.             c->chrToYV12 = ff_uyvyToUV_avx;

  563.             break;

  564.         case AV_PIX_FMT_NV12:

  565.             c->chrToYV12 = ff_nv12ToUV_avx;

  566.             break;

  567.         case AV_PIX_FMT_NV21:

  568.             c->chrToYV12 = ff_nv21ToUV_avx;

  569.             break;

  570.         case_rgb(rgb24, RGB24, avx);

  571.         case_rgb(bgr24, BGR24, avx);

  572.         case_rgb(bgra,  BGRA,  avx);

  573.         case_rgb(rgba,  RGBA,  avx);

  574.         case_rgb(abgr,  ABGR,  avx);

  575.         case_rgb(argb,  ARGB,  avx);

  576.         default:

  577.             break;

  578.         }

  579.     }

  580. }