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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_bgr2YOffset)  = 0x1010101010101010ULL;

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

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

  64. 

  65. 

  66. //MMX versions

  67. #if HAVE_MMX_INLINE

  68. #undef RENAME

  69. #define COMPILE_TEMPLATE_MMXEXT 0

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

  71. #include "swscale_template.c"

  72. #endif

  73. 

  74. // MMXEXT versions

  75. #if HAVE_MMXEXT_INLINE

  76. #undef RENAME

  77. #undef COMPILE_TEMPLATE_MMXEXT

  78. #define COMPILE_TEMPLATE_MMXEXT 1

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

  80. #include "swscale_template.c"

  81. #endif

  82. 

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

  84.                            int lastInLumBuf, int lastInChrBuf)

  85. {

  86.     const int dstH= c->dstH;

  87.     const int flags= c->flags;

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

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

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

  91.     const int vLumBufSize= c->vLumBufSize;

  92.     const int vChrBufSize= c->vChrBufSize;

  93.     int32_t *vLumFilterPos= c->vLumFilterPos;

  94.     int32_t *vChrFilterPos= c->vChrFilterPos;

  95.     int16_t *vLumFilter= c->vLumFilter;

  96.     int16_t *vChrFilter= c->vChrFilter;

  97.     int32_t *lumMmxFilter= c->lumMmxFilter;

  98.     int32_t *chrMmxFilter= c->chrMmxFilter;

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

  100.     const int vLumFilterSize= c->vLumFilterSize;

  101.     const int vChrFilterSize= c->vChrFilterSize;

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

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

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

  105. 

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

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

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

  109.     else

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

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

  112.     if (dstY < dstH - 2) {

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

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

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

  116.         int i;

  117. 

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

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

  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 **) alpPixBuf + 2 * vLumBufSize;

  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 **) chrUPixBuf + 2 * vChrBufSize;

  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]<<16 : 0);

  163.                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {

  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]<<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 && alpPixBuf) {

  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(((int)dest) & 15){

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

  206.         return;

  207.     }

  208.     if (offset) {

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

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

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

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

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

  214.                          :: "r"(dither)

  215.                          );

  216.     } else {

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

  218.                          :: "r"(dither)

  219.                          );

  220.     }

  221.     filterSize--;

  222.     __asm__ volatile(

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

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

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

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

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

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

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

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

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

  232.         ::"m"(filterSize)

  233.      );

  234.     __asm__ volatile(

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

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

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

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

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

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

  241.         "1:                                                 \n\t"\

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  264.         :: "g" (filter),

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

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

  267.          "%"REG_d, "%"REG_S, "%"REG_c

  268.     );

  269. }

  270. #endif

  271. 

  272. #endif /* HAVE_INLINE_ASM */

  273. 

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

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

  276.                                                 SwsContext *c, int16_t *data, \

  277.                                                 int dstW, const uint8_t *src, \

  278.                                                 const int16_t *filter, \

  279.                                                 const int32_t *filterPos, int filterSize)

  280. 

  281. #define SCALE_FUNCS(filter_n, opt) \

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

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

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

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

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

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

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

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

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

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

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

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

  294. 

  295. #define SCALE_FUNCS_MMX(opt) \

  296.     SCALE_FUNCS(4, opt); \

  297.     SCALE_FUNCS(8, opt); \

  298.     SCALE_FUNCS(X, opt)

  299. 

  300. #define SCALE_FUNCS_SSE(opt) \

  301.     SCALE_FUNCS(4, opt); \

  302.     SCALE_FUNCS(8, opt); \

  303.     SCALE_FUNCS(X4, opt); \

  304.     SCALE_FUNCS(X8, opt)

  305. 

  306. #if ARCH_X86_32

  307. SCALE_FUNCS_MMX(mmx);

  308. #endif

  309. SCALE_FUNCS_SSE(sse2);

  310. SCALE_FUNCS_SSE(ssse3);

  311. SCALE_FUNCS_SSE(sse4);

  312. 

  313. #define VSCALEX_FUNC(size, opt) \

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

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

  316.                                         const uint8_t *dither, int offset)

  317. #define VSCALEX_FUNCS(opt) \

  318.     VSCALEX_FUNC(8,  opt); \

  319.     VSCALEX_FUNC(9,  opt); \

  320.     VSCALEX_FUNC(10, opt)

  321. 

  322. #if ARCH_X86_32

  323. VSCALEX_FUNCS(mmxext);

  324. #endif

  325. VSCALEX_FUNCS(sse2);

  326. VSCALEX_FUNCS(sse4);

  327. VSCALEX_FUNC(16, sse4);

  328. VSCALEX_FUNCS(avx);

  329. 

  330. #define VSCALE_FUNC(size, opt) \

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

  332.                                         const uint8_t *dither, int offset)

  333. #define VSCALE_FUNCS(opt1, opt2) \

  334.     VSCALE_FUNC(8,  opt1); \

  335.     VSCALE_FUNC(9,  opt2); \

  336.     VSCALE_FUNC(10, opt2); \

  337.     VSCALE_FUNC(16, opt1)

  338. 

  339. #if ARCH_X86_32

  340. VSCALE_FUNCS(mmx, mmxext);

  341. #endif

  342. VSCALE_FUNCS(sse2, sse2);

  343. VSCALE_FUNC(16, sse4);

  344. VSCALE_FUNCS(avx, avx);

  345. 

  346. #define INPUT_Y_FUNC(fmt, opt) \

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

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

  349.                                 int w, uint32_t *unused)

  350. #define INPUT_UV_FUNC(fmt, opt) \

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

  352.                                 const uint8_t *unused0, \

  353.                                 const uint8_t *src1, \

  354.                                 const uint8_t *src2, \

  355.                                 int w, uint32_t *unused)

  356. #define INPUT_FUNC(fmt, opt) \

  357.     INPUT_Y_FUNC(fmt, opt); \

  358.     INPUT_UV_FUNC(fmt, opt)

  359. #define INPUT_FUNCS(opt) \

  360.     INPUT_FUNC(uyvy, opt); \

  361.     INPUT_FUNC(yuyv, opt); \

  362.     INPUT_UV_FUNC(nv12, opt); \

  363.     INPUT_UV_FUNC(nv21, opt); \

  364.     INPUT_FUNC(rgba, opt); \

  365.     INPUT_FUNC(bgra, opt); \

  366.     INPUT_FUNC(argb, opt); \

  367.     INPUT_FUNC(abgr, opt); \

  368.     INPUT_FUNC(rgb24, opt); \

  369.     INPUT_FUNC(bgr24, opt)

  370. 

  371. #if ARCH_X86_32

  372. INPUT_FUNCS(mmx);

  373. #endif

  374. INPUT_FUNCS(sse2);

  375. INPUT_FUNCS(ssse3);

  376. INPUT_FUNCS(avx);

  377. 

  378. av_cold void ff_sws_init_swscale_x86(SwsContext *c)

  379. {

  380.     int cpu_flags = av_get_cpu_flags();

  381. 

  382. #if HAVE_MMX_INLINE

  383.     if (INLINE_MMX(cpu_flags))

  384.         sws_init_swscale_mmx(c);

  385. #endif

  386. #if HAVE_MMXEXT_INLINE

  387.     if (INLINE_MMXEXT(cpu_flags))

  388.         sws_init_swscale_mmxext(c);

  389.     if (cpu_flags & AV_CPU_FLAG_SSE3){

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

  391.             c->yuv2planeX = yuv2yuvX_sse3;

  392.     }

  393. #endif

  394. 

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

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

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

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

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

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

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

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

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

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

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

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

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

  408.     } 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)) { \

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

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

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

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

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

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

  415.     } \

  416. } while (0)

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

  418.     switch (filtersize) { \

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

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

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

  422.     }

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

  424. switch(c->dstBpc){ \

  425.     case 16:                          do_16_case;                          break; \

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

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

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

  429.     }

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

  431.     switch(c->dstBpc){ \

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

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

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

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

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

  437.     }

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

  439.         case AV_PIX_FMT_ ## X: \

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

  441.             if (!c->chrSrcHSubSample) \

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

  443.             break

  444. #if ARCH_X86_32

  445.     if (EXTERNAL_MMX(cpu_flags)) {

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

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

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

  449. 

  450.         switch (c->srcFormat) {

  451.         case AV_PIX_FMT_Y400A:

  452.             c->lumToYV12 = ff_yuyvToY_mmx;

  453.             if (c->alpPixBuf)

  454.                 c->alpToYV12 = ff_uyvyToY_mmx;

  455.             break;

  456.         case AV_PIX_FMT_YUYV422:

  457.             c->lumToYV12 = ff_yuyvToY_mmx;

  458.             c->chrToYV12 = ff_yuyvToUV_mmx;

  459.             break;

  460.         case AV_PIX_FMT_UYVY422:

  461.             c->lumToYV12 = ff_uyvyToY_mmx;

  462.             c->chrToYV12 = ff_uyvyToUV_mmx;

  463.             break;

  464.         case AV_PIX_FMT_NV12:

  465.             c->chrToYV12 = ff_nv12ToUV_mmx;

  466.             break;

  467.         case AV_PIX_FMT_NV21:

  468.             c->chrToYV12 = ff_nv21ToUV_mmx;

  469.             break;

  470.         case_rgb(rgb24, RGB24, mmx);

  471.         case_rgb(bgr24, BGR24, mmx);

  472.         case_rgb(bgra,  BGRA,  mmx);

  473.         case_rgb(rgba,  RGBA,  mmx);

  474.         case_rgb(abgr,  ABGR,  mmx);

  475.         case_rgb(argb,  ARGB,  mmx);

  476.         default:

  477.             break;

  478.         }

  479.     }

  480.     if (EXTERNAL_MMXEXT(cpu_flags)) {

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

  482.     }

  483. #endif /* ARCH_X86_32 */

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

  485.     switch (filtersize) { \

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

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

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

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

  490.              break; \

  491.     }

  492.     if (EXTERNAL_SSE2(cpu_flags)) {

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

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

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

  496.                             HAVE_ALIGNED_STACK || ARCH_X86_64);

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

  498. 

  499.         switch (c->srcFormat) {

  500.         case AV_PIX_FMT_Y400A:

  501.             c->lumToYV12 = ff_yuyvToY_sse2;

  502.             if (c->alpPixBuf)

  503.                 c->alpToYV12 = ff_uyvyToY_sse2;

  504.             break;

  505.         case AV_PIX_FMT_YUYV422:

  506.             c->lumToYV12 = ff_yuyvToY_sse2;

  507.             c->chrToYV12 = ff_yuyvToUV_sse2;

  508.             break;

  509.         case AV_PIX_FMT_UYVY422:

  510.             c->lumToYV12 = ff_uyvyToY_sse2;

  511.             c->chrToYV12 = ff_uyvyToUV_sse2;

  512.             break;

  513.         case AV_PIX_FMT_NV12:

  514.             c->chrToYV12 = ff_nv12ToUV_sse2;

  515.             break;

  516.         case AV_PIX_FMT_NV21:

  517.             c->chrToYV12 = ff_nv21ToUV_sse2;

  518.             break;

  519.         case_rgb(rgb24, RGB24, sse2);

  520.         case_rgb(bgr24, BGR24, sse2);

  521.         case_rgb(bgra,  BGRA,  sse2);

  522.         case_rgb(rgba,  RGBA,  sse2);

  523.         case_rgb(abgr,  ABGR,  sse2);

  524.         case_rgb(argb,  ARGB,  sse2);

  525.         default:

  526.             break;

  527.         }

  528.     }

  529.     if (EXTERNAL_SSSE3(cpu_flags)) {

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

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

  532.         switch (c->srcFormat) {

  533.         case_rgb(rgb24, RGB24, ssse3);

  534.         case_rgb(bgr24, BGR24, ssse3);

  535.         default:

  536.             break;

  537.         }

  538.     }

  539.     if (EXTERNAL_SSE4(cpu_flags)) {

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

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

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

  543.         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse4,

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

  545.                             HAVE_ALIGNED_STACK || ARCH_X86_64);

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

  547.             c->yuv2plane1 = ff_yuv2plane1_16_sse4;

  548.     }

  549. 

  550.     if (EXTERNAL_AVX(cpu_flags)) {

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

  552.                             HAVE_ALIGNED_STACK || ARCH_X86_64);

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

  554. 

  555.         switch (c->srcFormat) {

  556.         case AV_PIX_FMT_YUYV422:

  557.             c->chrToYV12 = ff_yuyvToUV_avx;

  558.             break;

  559.         case AV_PIX_FMT_UYVY422:

  560.             c->chrToYV12 = ff_uyvyToUV_avx;

  561.             break;

  562.         case AV_PIX_FMT_NV12:

  563.             c->chrToYV12 = ff_nv12ToUV_avx;

  564.             break;

  565.         case AV_PIX_FMT_NV21:

  566.             c->chrToYV12 = ff_nv21ToUV_avx;

  567.             break;

  568.         case_rgb(rgb24, RGB24, avx);

  569.         case_rgb(bgr24, BGR24, avx);

  570.         case_rgb(bgra,  BGRA,  avx);

  571.         case_rgb(rgba,  RGBA,  avx);

  572.         case_rgb(abgr,  ABGR,  avx);

  573.         case_rgb(argb,  ARGB,  avx);

  574.         default:

  575.             break;

  576.         }

  577.     }

  578. }