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FFmpeg/libswscale/x86/yuv2rgb_template.c

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  1. /*

  2.  * yuv2rgb_mmx.c, software YUV to RGB converter with Intel MMX "technology"

  3.  *

  4.  * Copyright (C) 2000, Silicon Integrated System Corp

  5.  *

  6.  * Author: Olie Lho <ollie@sis.com.tw>

  7.  *

  8.  * 15,24 bpp and dithering from Michael Niedermayer (michaelni@gmx.at)

  9.  * MMX/MMX2 Template stuff from Michael Niedermayer (needed for fast movntq support)

  10.  * context / deglobalize stuff by Michael Niedermayer

  11.  *

  12.  * This file is part of mpeg2dec, a free MPEG-2 video decoder

  13.  *

  14.  * mpeg2dec is free software; you can redistribute it and/or modify

  15.  * it under the terms of the GNU General Public License as published by

  16.  * the Free Software Foundation; either version 2, or (at your option)

  17.  * any later version.

  18.  *

  19.  * mpeg2dec is distributed in the hope that it will be useful,

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

  21.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  22.  * GNU General Public License for more details.

  23.  *

  24.  * You should have received a copy of the GNU General Public License

  25.  * along with mpeg2dec; if not, write to the Free Software

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

  27.  */

  28. 

  29. #undef MOVNTQ

  30. #undef EMMS

  31. #undef SFENCE

  32. 

  33. #if HAVE_AMD3DNOW

  34. /* On K6 femms is faster than emms. On K7 femms is directly mapped to emms. */

  35. #define EMMS     "femms"

  36. #else

  37. #define EMMS     "emms"

  38. #endif

  39. 

  40. #if HAVE_MMX2

  41. #define MOVNTQ "movntq"

  42. #define SFENCE "sfence"

  43. #else

  44. #define MOVNTQ "movq"

  45. #define SFENCE " # nop"

  46. #endif

  47. 

  48. #define YUV2RGB \

  49.     /* Do the multiply part of the conversion for even and odd pixels,

  50.        register usage:

  51.        mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,

  52.        mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,

  53.        mm6 -> Y even, mm7 -> Y odd */\

  54.     /* convert the chroma part */\

  55.     "punpcklbw %%mm4, %%mm0;" /* scatter 4 Cb 00 u3 00 u2 00 u1 00 u0 */ \

  56.     "punpcklbw %%mm4, %%mm1;" /* scatter 4 Cr 00 v3 00 v2 00 v1 00 v0 */ \

  57. \

  58.     "psllw $3, %%mm0;" /* Promote precision */ \

  59.     "psllw $3, %%mm1;" /* Promote precision */ \

  60. \

  61.     "psubsw "U_OFFSET"(%4), %%mm0;" /* Cb -= 128 */ \

  62.     "psubsw "V_OFFSET"(%4), %%mm1;" /* Cr -= 128 */ \

  63. \

  64.     "movq %%mm0, %%mm2;" /* Copy 4 Cb 00 u3 00 u2 00 u1 00 u0 */ \

  65.     "movq %%mm1, %%mm3;" /* Copy 4 Cr 00 v3 00 v2 00 v1 00 v0 */ \

  66. \

  67.     "pmulhw "UG_COEFF"(%4), %%mm2;" /* Mul Cb with green coeff -> Cb green */ \

  68.     "pmulhw "VG_COEFF"(%4), %%mm3;" /* Mul Cr with green coeff -> Cr green */ \

  69. \

  70.     "pmulhw "UB_COEFF"(%4), %%mm0;" /* Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0 */\

  71.     "pmulhw "VR_COEFF"(%4), %%mm1;" /* Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0 */\

  72. \

  73.     "paddsw %%mm3, %%mm2;" /* Cb green + Cr green -> Cgreen */\

  74. \

  75.     /* convert the luma part */\

  76.     "movq %%mm6, %%mm7;" /* Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */\

  77.     "pand "MANGLE(mmx_00ffw)", %%mm6;" /* get Y even 00 Y6 00 Y4 00 Y2 00 Y0 */\

  78. \

  79.     "psrlw $8, %%mm7;" /* get Y odd 00 Y7 00 Y5 00 Y3 00 Y1 */\

  80. \

  81.     "psllw $3, %%mm6;" /* Promote precision */\

  82.     "psllw $3, %%mm7;" /* Promote precision */\

  83. \

  84.     "psubw "Y_OFFSET"(%4), %%mm6;" /* Y -= 16 */\

  85.     "psubw "Y_OFFSET"(%4), %%mm7;" /* Y -= 16 */\

  86. \

  87.     "pmulhw "Y_COEFF"(%4), %%mm6;" /* Mul 4 Y even 00 y6 00 y4 00 y2 00 y0 */\

  88.     "pmulhw "Y_COEFF"(%4), %%mm7;" /* Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1 */\

  89. \

  90.     /* Do the addition part of the conversion for even and odd pixels,

  91.        register usage:

  92.        mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,

  93.        mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,

  94.        mm6 -> Y even, mm7 -> Y odd */\

  95.     "movq %%mm0, %%mm3;" /* Copy Cblue */\

  96.     "movq %%mm1, %%mm4;" /* Copy Cred */\

  97.     "movq %%mm2, %%mm5;" /* Copy Cgreen */\

  98. \

  99.     "paddsw %%mm6, %%mm0;" /* Y even + Cblue 00 B6 00 B4 00 B2 00 B0 */\

  100.     "paddsw %%mm7, %%mm3;" /* Y odd + Cblue 00 B7 00 B5 00 B3 00 B1 */\

  101. \

  102.     "paddsw %%mm6, %%mm1;" /* Y even + Cred 00 R6 00 R4 00 R2 00 R0 */\

  103.     "paddsw %%mm7, %%mm4;" /* Y odd + Cred 00 R7 00 R5 00 R3 00 R1 */\

  104. \

  105.     "paddsw %%mm6, %%mm2;" /* Y even + Cgreen 00 G6 00 G4 00 G2 00 G0 */\

  106.     "paddsw %%mm7, %%mm5;" /* Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1 */\

  107. \

  108.     /* Limit RGB even to 0..255 */\

  109.     "packuswb %%mm0, %%mm0;" /* B6 B4 B2 B0  B6 B4 B2 B0 */\

  110.     "packuswb %%mm1, %%mm1;" /* R6 R4 R2 R0  R6 R4 R2 R0 */\

  111.     "packuswb %%mm2, %%mm2;" /* G6 G4 G2 G0  G6 G4 G2 G0 */\

  112. \

  113.     /* Limit RGB odd to 0..255 */\

  114.     "packuswb %%mm3, %%mm3;" /* B7 B5 B3 B1  B7 B5 B3 B1 */\

  115.     "packuswb %%mm4, %%mm4;" /* R7 R5 R3 R1  R7 R5 R3 R1 */\

  116.     "packuswb %%mm5, %%mm5;" /* G7 G5 G3 G1  G7 G5 G3 G1 */\

  117. \

  118.     /* Interleave RGB even and odd */\

  119.     "punpcklbw %%mm3, %%mm0;" /* B7 B6 B5 B4 B3 B2 B1 B0 */\

  120.     "punpcklbw %%mm4, %%mm1;" /* R7 R6 R5 R4 R3 R2 R1 R0 */\

  121.     "punpcklbw %%mm5, %%mm2;" /* G7 G6 G5 G4 G3 G2 G1 G0 */\

  122. 

  123. 

  124. #define YUV422_UNSHIFT                   \

  125.     if(c->srcFormat == PIX_FMT_YUV422P) {\

  126.         srcStride[1] *= 2;               \

  127.         srcStride[2] *= 2;               \

  128.     }                                    \

  129. 

  130. #define YUV2RGB_LOOP(depth)                                   \

  131.     h_size= (c->dstW+7)&~7;                                   \

  132.     if(h_size*depth > FFABS(dstStride[0])) h_size-=8;         \

  133. \

  134.     __asm__ volatile ("pxor %mm4, %mm4;" /* zero mm4 */ );    \

  135.     for (y= 0; y<srcSliceH; y++ ) {                           \

  136.         uint8_t *image = dst[0] + (y+srcSliceY)*dstStride[0]; \

  137.         const uint8_t *py = src[0] + y*srcStride[0];          \

  138.         const uint8_t *pu = src[1] + (y>>1)*srcStride[1];     \

  139.         const uint8_t *pv = src[2] + (y>>1)*srcStride[2];     \

  140.         x86_reg index= -h_size/2;                                \

  141. 

  142. #define YUV2RGB_INIT                                                       \

  143.         /* This MMX assembly code deals with a SINGLE scan line at a time, \

  144.          * it converts 8 pixels in each iteration. */                      \

  145.         __asm__ volatile (                                                 \

  146.         /* load data for start of next scan line */                        \

  147.         "movd    (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ \

  148.         "movd    (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ \

  149.         "movq (%5, %0, 2), %%mm6;" /* Load 8  Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ \

  150.         /*                                                                 \

  151.         ".balign 16     \n\t"                                              \

  152.         */                                                                 \

  153.         "1:             \n\t"                                              \

  154.         /* No speed difference on my p3@500 with prefetch,                 \

  155.          * if it is faster for anyone with -benchmark then tell me.        \

  156.         PREFETCH" 64(%0) \n\t"                                             \

  157.         PREFETCH" 64(%1) \n\t"                                             \

  158.         PREFETCH" 64(%2) \n\t"                                             \

  159.         */                                                                 \

  160. 

  161. #define YUV2RGB_ENDLOOP(depth) \

  162.         "add $"AV_STRINGIFY(depth*8)", %1    \n\t" \

  163.         "add                       $4, %0    \n\t" \

  164.         " js                       1b        \n\t" \

  165. 

  166. #define YUV2RGB_OPERANDS \

  167.         : "+r" (index), "+r" (image) \

  168.         : "r" (pu - index), "r" (pv - index), "r"(&c->redDither), "r" (py - 2*index) \

  169.         ); \

  170.     } \

  171.     __asm__ volatile (SFENCE"\n\t"EMMS); \

  172.     return srcSliceH; \

  173. 

  174. #define YUV2RGB_OPERANDS_ALPHA \

  175.         : "+r" (index), "+r" (image) \

  176.         : "r" (pu - index), "r" (pv - index), "r"(&c->redDither), "r" (py - 2*index), "r" (pa - 2*index) \

  177.         ); \

  178.     } \

  179.     __asm__ volatile (SFENCE"\n\t"EMMS); \

  180.     return srcSliceH; \

  181. 

  182. static inline int RENAME(yuv420_rgb16)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,

  183.                                        int srcSliceH, uint8_t* dst[], int dstStride[])

  184. {

  185.     int y, h_size;

  186. 

  187.     YUV422_UNSHIFT

  188.     YUV2RGB_LOOP(2)

  189. 

  190.         c->blueDither= ff_dither8[y&1];

  191.         c->greenDither= ff_dither4[y&1];

  192.         c->redDither= ff_dither8[(y+1)&1];

  193. 

  194.         YUV2RGB_INIT

  195.         YUV2RGB

  196. 

  197. #ifdef DITHER1XBPP

  198.         "paddusb "BLUE_DITHER"(%4), %%mm0;"

  199.         "paddusb "GREEN_DITHER"(%4), %%mm2;"

  200.         "paddusb "RED_DITHER"(%4), %%mm1;"

  201. #endif

  202.         /* mask unneeded bits off */

  203.         "pand "MANGLE(mmx_redmask)", %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */

  204.         "pand "MANGLE(mmx_grnmask)", %%mm2;" /* g7g6g5g4 g3g2_0_0 g7g6g5g4 g3g2_0_0 */

  205.         "pand "MANGLE(mmx_redmask)", %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */

  206. 

  207.         "psrlw   $3, %%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */

  208.         "pxor %%mm4, %%mm4;" /* zero mm4 */

  209. 

  210.         "movq %%mm0, %%mm5;" /* Copy B7-B0 */

  211.         "movq %%mm2, %%mm7;" /* Copy G7-G0 */

  212. 

  213.         /* convert RGB24 plane to RGB16 pack for pixel 0-3 */

  214.         "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */

  215.         "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */

  216. 

  217.         "psllw  $3, %%mm2;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */

  218.         "por %%mm2, %%mm0;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */

  219. 

  220.         "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */

  221.         MOVNTQ "      %%mm0, (%1);" /* store pixel 0-3 */

  222. 

  223.         /* convert RGB24 plane to RGB16 pack for pixel 0-3 */

  224.         "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */

  225.         "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */

  226. 

  227.         "psllw        $3, %%mm7;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */

  228.         "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */

  229. 

  230.         "por       %%mm7, %%mm5;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */

  231.         "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */

  232. 

  233.         MOVNTQ "   %%mm5, 8 (%1);" /* store pixel 4-7 */

  234. 

  235.     YUV2RGB_ENDLOOP(2)

  236.     YUV2RGB_OPERANDS

  237. }

  238. 

  239. static inline int RENAME(yuv420_rgb15)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,

  240.                                        int srcSliceH, uint8_t* dst[], int dstStride[])

  241. {

  242.     int y, h_size;

  243. 

  244.     YUV422_UNSHIFT

  245.     YUV2RGB_LOOP(2)

  246. 

  247.         c->blueDither= ff_dither8[y&1];

  248.         c->greenDither= ff_dither8[y&1];

  249.         c->redDither= ff_dither8[(y+1)&1];

  250. 

  251.         YUV2RGB_INIT

  252.         YUV2RGB

  253. 

  254. #ifdef DITHER1XBPP

  255.         "paddusb "BLUE_DITHER"(%4), %%mm0  \n\t"

  256.         "paddusb "GREEN_DITHER"(%4), %%mm2  \n\t"

  257.         "paddusb "RED_DITHER"(%4), %%mm1  \n\t"

  258. #endif

  259. 

  260.         /* mask unneeded bits off */

  261.         "pand "MANGLE(mmx_redmask)", %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */

  262.         "pand "MANGLE(mmx_redmask)", %%mm2;" /* g7g6g5g4 g3_0_0_0 g7g6g5g4 g3_0_0_0 */

  263.         "pand "MANGLE(mmx_redmask)", %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */

  264. 

  265.         "psrlw   $3, %%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */

  266.         "psrlw   $1, %%mm1;" /* 0_r7r6r5  r4r3_0_0 0_r7r6r5 r4r3_0_0 */

  267.         "pxor %%mm4, %%mm4;" /* zero mm4 */

  268. 

  269.         "movq %%mm0, %%mm5;" /* Copy B7-B0 */

  270.         "movq %%mm2, %%mm7;" /* Copy G7-G0 */

  271. 

  272.         /* convert RGB24 plane to RGB16 pack for pixel 0-3 */

  273.         "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3_0_0_0 */

  274.         "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */

  275. 

  276.         "psllw  $2, %%mm2;" /* 0_0_0_0 0_0_g7g6 g5g4g3_0 0_0_0_0 */

  277.         "por %%mm2, %%mm0;" /* 0_r7r6r5 r4r3g7g6 g5g4g3b7 b6b5b4b3 */

  278. 

  279.         "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */

  280.         MOVNTQ "      %%mm0, (%1);"  /* store pixel 0-3 */

  281. 

  282.         /* convert RGB24 plane to RGB16 pack for pixel 0-3 */

  283.         "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 0_g7g6g5 g4g3_0_0 */

  284.         "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */

  285. 

  286.         "psllw        $2, %%mm7;" /* 0_0_0_0 0_0_g7g6 g5g4g3_0 0_0_0_0 */

  287.         "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */

  288. 

  289.         "por       %%mm7, %%mm5;" /* 0_r7r6r5 r4r3g7g6 g5g4g3b7 b6b5b4b3 */

  290.         "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */

  291. 

  292.         MOVNTQ " %%mm5, 8 (%1);" /* store pixel 4-7 */

  293. 

  294.     YUV2RGB_ENDLOOP(2)

  295.     YUV2RGB_OPERANDS

  296. }

  297. 

  298. #undef RGB_PLANAR2PACKED24

  299. #if HAVE_MMX2

  300. #define RGB_PLANAR2PACKED24(red, blue)\

  301.         "movq "MANGLE(ff_M24A)", %%mm4     \n\t"\

  302.         "movq "MANGLE(ff_M24C)", %%mm7     \n\t"\

  303.         "pshufw $0x50, %%mm"blue", %%mm5   \n\t" /* B3 B2 B3 B2  B1 B0 B1 B0 */\

  304.         "pshufw $0x50, %%mm2, %%mm3     \n\t" /* G3 G2 G3 G2  G1 G0 G1 G0 */\

  305.         "pshufw $0x00, %%mm"red", %%mm6 \n\t" /* R1 R0 R1 R0  R1 R0 R1 R0 */\

  306. \

  307.         "pand   %%mm4, %%mm5            \n\t" /*    B2        B1       B0 */\

  308.         "pand   %%mm4, %%mm3            \n\t" /*    G2        G1       G0 */\

  309.         "pand   %%mm7, %%mm6            \n\t" /*       R1        R0       */\

  310. \

  311.         "psllq     $8, %%mm3            \n\t" /* G2        G1       G0    */\

  312.         "por    %%mm5, %%mm6            \n\t"\

  313.         "por    %%mm3, %%mm6            \n\t"\

  314.         MOVNTQ" %%mm6, (%1)             \n\t"\

  315. \

  316.         "psrlq     $8, %%mm2            \n\t" /* 00 G7 G6 G5  G4 G3 G2 G1 */\

  317.         "pshufw $0xA5, %%mm"blue", %%mm5\n\t" /* B5 B4 B5 B4  B3 B2 B3 B2 */\

  318.         "pshufw $0x55, %%mm2, %%mm3     \n\t" /* G4 G3 G4 G3  G4 G3 G4 G3 */\

  319.         "pshufw $0xA5, %%mm"red", %%mm6 \n\t" /* R5 R4 R5 R4  R3 R2 R3 R2 */\

  320. \

  321.         "pand "MANGLE(ff_M24B)", %%mm5  \n\t" /* B5       B4        B3    */\

  322.         "pand          %%mm7, %%mm3     \n\t" /*       G4        G3       */\

  323.         "pand          %%mm4, %%mm6     \n\t" /*    R4        R3       R2 */\

  324. \

  325.         "por    %%mm5, %%mm3            \n\t" /* B5    G4 B4     G3 B3    */\

  326.         "por    %%mm3, %%mm6            \n\t"\

  327.         MOVNTQ" %%mm6, 8(%1)            \n\t"\

  328. \

  329.         "pshufw $0xFF, %%mm"blue", %%mm5\n\t" /* B7 B6 B7 B6  B7 B6 B6 B7 */\

  330.         "pshufw $0xFA, %%mm2, %%mm3     \n\t" /* 00 G7 00 G7  G6 G5 G6 G5 */\

  331.         "pshufw $0xFA, %%mm"red", %%mm6 \n\t" /* R7 R6 R7 R6  R5 R4 R5 R4 */\

  332.         "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */\

  333. \

  334.         "pand          %%mm7, %%mm5     \n\t" /*       B7        B6       */\

  335.         "pand          %%mm4, %%mm3     \n\t" /*    G7        G6       G5 */\

  336.         "pand "MANGLE(ff_M24B)", %%mm6  \n\t" /* R7       R6        R5    */\

  337.         "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */\

  338. \

  339.         "por          %%mm5, %%mm3      \n\t"\

  340.         "por          %%mm3, %%mm6      \n\t"\

  341.         MOVNTQ"       %%mm6, 16(%1)     \n\t"\

  342.         "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */\

  343.         "pxor         %%mm4, %%mm4      \n\t"

  344. #else

  345. #define RGB_PLANAR2PACKED24(red, blue)\

  346.         "pxor      %%mm4, %%mm4     \n\t"\

  347.         "movq      %%mm"blue", %%mm5\n\t" /* B */\

  348.         "movq      %%mm"red", %%mm6 \n\t" /* R */\

  349.         "punpcklbw %%mm2, %%mm"blue"\n\t" /* GBGBGBGB 0 */\

  350.         "punpcklbw %%mm4, %%mm"red" \n\t" /* 0R0R0R0R 0 */\

  351.         "punpckhbw %%mm2, %%mm5     \n\t" /* GBGBGBGB 2 */\

  352.         "punpckhbw %%mm4, %%mm6     \n\t" /* 0R0R0R0R 2 */\

  353.         "movq      %%mm"blue", %%mm7\n\t" /* GBGBGBGB 0 */\

  354.         "movq      %%mm5, %%mm3     \n\t" /* GBGBGBGB 2 */\

  355.         "punpcklwd %%mm"red", %%mm7 \n\t" /* 0RGB0RGB 0 */\

  356.         "punpckhwd %%mm"red", %%mm"blue"\n\t" /* 0RGB0RGB 1 */\

  357.         "punpcklwd %%mm6, %%mm5     \n\t" /* 0RGB0RGB 2 */\

  358.         "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */\

  359. \

  360.         "movq      %%mm7, %%mm2     \n\t" /* 0RGB0RGB 0 */\

  361.         "movq      %%mm"blue", %%mm6\n\t" /* 0RGB0RGB 1 */\

  362.         "movq      %%mm5, %%mm"red" \n\t" /* 0RGB0RGB 2 */\

  363.         "movq      %%mm3, %%mm4     \n\t" /* 0RGB0RGB 3 */\

  364. \

  365.         "psllq       $40, %%mm7     \n\t" /* RGB00000 0 */\

  366.         "psllq       $40, %%mm"blue"\n\t" /* RGB00000 1 */\

  367.         "psllq       $40, %%mm5     \n\t" /* RGB00000 2 */\

  368.         "psllq       $40, %%mm3     \n\t" /* RGB00000 3 */\

  369. \

  370.         "punpckhdq %%mm2, %%mm7     \n\t" /* 0RGBRGB0 0 */\

  371.         "punpckhdq %%mm6, %%mm"blue"\n\t" /* 0RGBRGB0 1 */\

  372.         "punpckhdq %%mm"red", %%mm5 \n\t" /* 0RGBRGB0 2 */\

  373.         "punpckhdq %%mm4, %%mm3     \n\t" /* 0RGBRGB0 3 */\

  374. \

  375.         "psrlq        $8, %%mm7     \n\t" /* 00RGBRGB 0 */\

  376.         "movq      %%mm"blue", %%mm6\n\t" /* 0RGBRGB0 1 */\

  377.         "psllq       $40, %%mm"blue"\n\t" /* GB000000 1 */\

  378.         "por       %%mm"blue", %%mm7\n\t" /* GBRGBRGB 0 */\

  379.         MOVNTQ"    %%mm7, (%1)      \n\t"\

  380. \

  381.         "psrlq       $24, %%mm6     \n\t" /* 0000RGBR 1 */\

  382.         "movq      %%mm5, %%mm"red" \n\t" /* 0RGBRGB0 2 */\

  383.         "psllq       $24, %%mm5     \n\t" /* BRGB0000 2 */\

  384.         "por       %%mm5, %%mm6     \n\t" /* BRGBRGBR 1 */\

  385.         MOVNTQ"    %%mm6, 8(%1)     \n\t"\

  386. \

  387.         "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */\

  388. \

  389.         "psrlq       $40, %%mm"red" \n\t" /* 000000RG 2 */\

  390.         "psllq        $8, %%mm3     \n\t" /* RGBRGB00 3 */\

  391.         "por       %%mm3, %%mm"red" \n\t" /* RGBRGBRG 2 */\

  392.         MOVNTQ"    %%mm"red", 16(%1)\n\t"\

  393. \

  394.         "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */\

  395.         "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */\

  396.         "pxor      %%mm4, %%mm4     \n\t"

  397. #endif

  398. 

  399. static inline int RENAME(yuv420_rgb24)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,

  400.                                        int srcSliceH, uint8_t* dst[], int dstStride[])

  401. {

  402.     int y, h_size;

  403. 

  404.     YUV422_UNSHIFT

  405.     YUV2RGB_LOOP(3)

  406. 

  407.         YUV2RGB_INIT

  408.         YUV2RGB

  409.         /* mm0=B, %%mm2=G, %%mm1=R */

  410.         RGB_PLANAR2PACKED24("0", "1")

  411. 

  412.     YUV2RGB_ENDLOOP(3)

  413.     YUV2RGB_OPERANDS

  414. }

  415. 

  416. static inline int RENAME(yuv420_bgr24)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,

  417.                                        int srcSliceH, uint8_t* dst[], int dstStride[])

  418. {

  419.     int y, h_size;

  420. 

  421.     YUV422_UNSHIFT

  422.     YUV2RGB_LOOP(3)

  423. 

  424.         YUV2RGB_INIT

  425.         YUV2RGB

  426.         /* mm0=B, %%mm2=G, %%mm1=R */

  427.         RGB_PLANAR2PACKED24("1", "0")

  428. 

  429.     YUV2RGB_ENDLOOP(3)

  430.     YUV2RGB_OPERANDS

  431. }

  432. 

  433. /*

  434. 

  435. RGB_PLANAR2PACKED32(red,green,blue,alpha)

  436. 

  437. convert RGB plane to RGB packed format

  438. 

  439. macro parameters specify the output color channel order:

  440. 

  441. RGB_PLANAR2PACKED32(REG_RED,  REG_GREEN, REG_BLUE, REG_ALPHA) for RGBA output,

  442. RGB_PLANAR2PACKED32(REG_BLUE, REG_GREEN, REG_RED,  REG_ALPHA) for BGRA output,

  443. RGB_PLANAR2PACKED32(REG_ALPHA,REG_BLUE,  REG_GREEN,REG_RED)   for ABGR output,

  444. 

  445. etc.

  446. */

  447. 

  448. #define REG_BLUE  "0"

  449. #define REG_RED   "1"

  450. #define REG_GREEN "2"

  451. #define REG_ALPHA "3"

  452. 

  453. #define RGB_PLANAR2PACKED32(red,green,blue,alpha)                       \

  454.     /* convert RGB plane to RGB packed format,                          \

  455.        mm0 ->  B, mm1 -> R, mm2 -> G, mm3 -> A,                         \

  456.        mm4 -> GB, mm5 -> AR pixel 4-7,                                  \

  457.        mm6 -> GB, mm7 -> AR pixel 0-3 */                                \

  458.     "movq      %%mm" blue ", %%mm6;"   /* B7 B6 B5 B4 B3 B2 B1 B0 */    \

  459.     "movq      %%mm" red  ", %%mm7;"   /* R7 R6 R5 R4 R3 R2 R1 R0 */    \

  460. \

  461.     "movq      %%mm" blue ", %%mm4;"   /* B7 B6 B5 B4 B3 B2 B1 B0 */    \

  462.     "movq      %%mm" red  ", %%mm5;"   /* R7 R6 R5 R4 R3 R2 R1 R0 */    \

  463. \

  464.     "punpcklbw %%mm" green ", %%mm6;"  /* G3 B3 G2 B2 G1 B1 G0 B0 */    \

  465.     "punpcklbw %%mm" alpha ", %%mm7;"  /* A3 R3 A2 R2 A1 R1 A0 R0 */    \

  466. \

  467.     "punpcklwd %%mm7, %%mm6;"          /* A1 R1 B1 G1 A0 R0 B0 G0 */    \

  468.     MOVNTQ "   %%mm6, (%1);"           /* Store ARGB1 ARGB0 */          \

  469. \

  470.     "movq      %%mm" blue ", %%mm6;"   /* B7 B6 B5 B4 B3 B2 B1 B0 */    \

  471.     "punpcklbw %%mm" green ", %%mm6;"  /* G3 B3 G2 B2 G1 B1 G0 B0 */    \

  472. \

  473.     "punpckhwd %%mm7, %%mm6;"          /* A3 R3 G3 B3 A2 R2 B3 G2 */    \

  474.     MOVNTQ "   %%mm6, 8 (%1);"         /* Store ARGB3 ARGB2 */          \

  475. \

  476.     "punpckhbw %%mm" green ", %%mm4;"  /* G7 B7 G6 B6 G5 B5 G4 B4 */    \

  477.     "punpckhbw %%mm" alpha ", %%mm5;"  /* A7 R7 A6 R6 A5 R5 A4 R4 */    \

  478. \

  479.     "punpcklwd %%mm5, %%mm4;"          /* A5 R5 B5 G5 A4 R4 B4 G4 */    \

  480.     MOVNTQ "   %%mm4, 16 (%1);"        /* Store ARGB5 ARGB4 */          \

  481. \

  482.     "movq      %%mm" blue ", %%mm4;"   /* B7 B6 B5 B4 B3 B2 B1 B0 */    \

  483.     "punpckhbw %%mm" green ", %%mm4;"  /* G7 B7 G6 B6 G5 B5 G4 B4 */    \

  484. \

  485.     "punpckhwd %%mm5, %%mm4;"   /* A7 R7 G7 B7 A6 R6 B6 G6 */           \

  486.     MOVNTQ "   %%mm4, 24 (%1);" /* Store ARGB7 ARGB6 */                 \

  487. \

  488.     "movd 4 (%2, %0), %%mm0;"   /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ \

  489.     "movd 4 (%3, %0), %%mm1;"   /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ \

  490. \

  491.     "pxor         %%mm4, %%mm4;" /* zero mm4 */                         \

  492.     "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ \

  493. 

  494. static inline int RENAME(yuv420_rgb32)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,

  495.                                        int srcSliceH, uint8_t* dst[], int dstStride[])

  496. {

  497.     int y, h_size;

  498. 

  499.     YUV422_UNSHIFT

  500.     YUV2RGB_LOOP(4)

  501. 

  502.         YUV2RGB_INIT

  503.         YUV2RGB

  504.         "pcmpeqd   %%mm3, %%mm3;"   /* fill mm3 */

  505.         RGB_PLANAR2PACKED32(REG_RED,REG_GREEN,REG_BLUE,REG_ALPHA)

  506. 

  507.     YUV2RGB_ENDLOOP(4)

  508.     YUV2RGB_OPERANDS

  509. }

  510. 

  511. static inline int RENAME(yuva420_rgb32)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,

  512.                                         int srcSliceH, uint8_t* dst[], int dstStride[])

  513. {

  514. #if HAVE_7REGS

  515.     int y, h_size;

  516. 

  517.     YUV2RGB_LOOP(4)

  518. 

  519.         const uint8_t *pa = src[3] + y*srcStride[3];

  520.         YUV2RGB_INIT

  521.         YUV2RGB

  522.         "movq     (%6, %0, 2), %%mm3;"            /* Load 8 A A7 A6 A5 A4 A3 A2 A1 A0 */

  523.         RGB_PLANAR2PACKED32(REG_RED,REG_GREEN,REG_BLUE,REG_ALPHA)

  524. 

  525.     YUV2RGB_ENDLOOP(4)

  526.     YUV2RGB_OPERANDS_ALPHA

  527. #endif

  528. }

  529. 

  530. static inline int RENAME(yuv420_bgr32)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,

  531.                                        int srcSliceH, uint8_t* dst[], int dstStride[])

  532. {

  533.     int y, h_size;

  534. 

  535.     YUV422_UNSHIFT

  536.     YUV2RGB_LOOP(4)

  537. 

  538.         YUV2RGB_INIT

  539.         YUV2RGB

  540.         "pcmpeqd   %%mm3, %%mm3;"   /* fill mm3 */

  541.         RGB_PLANAR2PACKED32(REG_BLUE,REG_GREEN,REG_RED,REG_ALPHA)

  542. 

  543.     YUV2RGB_ENDLOOP(4)

  544.     YUV2RGB_OPERANDS

  545. }

  546. 

  547. static inline int RENAME(yuva420_bgr32)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,

  548.                                         int srcSliceH, uint8_t* dst[], int dstStride[])

  549. {

  550. #if HAVE_7REGS

  551.     int y, h_size;

  552. 

  553.     YUV2RGB_LOOP(4)

  554. 

  555.         const uint8_t *pa = src[3] + y*srcStride[3];

  556.         YUV2RGB_INIT

  557.         YUV2RGB

  558.         "movq     (%6, %0, 2), %%mm3;"            /* Load 8 A A7 A6 A5 A4 A3 A2 A1 A0 */

  559.         RGB_PLANAR2PACKED32(REG_BLUE,REG_GREEN,REG_RED,REG_ALPHA)

  560. 

  561.     YUV2RGB_ENDLOOP(4)

  562.     YUV2RGB_OPERANDS_ALPHA

  563. #endif

  564. }