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FFmpeg/libswscale/output.c

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  1. /*

  2.  * Copyright (C) 2001-2012 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 <assert.h>

  22. #include <math.h>

  23. #include <stdint.h>

  24. #include <stdio.h>

  25. #include <string.h>

  26. 

  27. #include "libavutil/avutil.h"

  28. #include "libavutil/avassert.h"

  29. #include "libavutil/bswap.h"

  30. #include "libavutil/cpu.h"

  31. #include "libavutil/intreadwrite.h"

  32. #include "libavutil/mathematics.h"

  33. #include "libavutil/pixdesc.h"

  34. #include "config.h"

  35. #include "rgb2rgb.h"

  36. #include "swscale.h"

  37. #include "swscale_internal.h"

  38. 

  39. DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_4)[2][8]={

  40. {  1,   3,   1,   3,   1,   3,   1,   3, },

  41. {  2,   0,   2,   0,   2,   0,   2,   0, },

  42. };

  43. 

  44. DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_8)[2][8]={

  45. {  6,   2,   6,   2,   6,   2,   6,   2, },

  46. {  0,   4,   0,   4,   0,   4,   0,   4, },

  47. };

  48. 

  49. DECLARE_ALIGNED(8, const uint8_t, dither_4x4_16)[4][8]={

  50. {  8,   4,  11,   7,   8,   4,  11,   7, },

  51. {  2,  14,   1,  13,   2,  14,   1,  13, },

  52. { 10,   6,   9,   5,  10,   6,   9,   5, },

  53. {  0,  12,   3,  15,   0,  12,   3,  15, },

  54. };

  55. 

  56. DECLARE_ALIGNED(8, const uint8_t, dither_8x8_32)[8][8]={

  57. { 17,   9,  23,  15,  16,   8,  22,  14, },

  58. {  5,  29,   3,  27,   4,  28,   2,  26, },

  59. { 21,  13,  19,  11,  20,  12,  18,  10, },

  60. {  0,  24,   6,  30,   1,  25,   7,  31, },

  61. { 16,   8,  22,  14,  17,   9,  23,  15, },

  62. {  4,  28,   2,  26,   5,  29,   3,  27, },

  63. { 20,  12,  18,  10,  21,  13,  19,  11, },

  64. {  1,  25,   7,  31,   0,  24,   6,  30, },

  65. };

  66. 

  67. DECLARE_ALIGNED(8, const uint8_t, dither_8x8_73)[8][8]={

  68. {  0,  55,  14,  68,   3,  58,  17,  72, },

  69. { 37,  18,  50,  32,  40,  22,  54,  35, },

  70. {  9,  64,   5,  59,  13,  67,   8,  63, },

  71. { 46,  27,  41,  23,  49,  31,  44,  26, },

  72. {  2,  57,  16,  71,   1,  56,  15,  70, },

  73. { 39,  21,  52,  34,  38,  19,  51,  33, },

  74. { 11,  66,   7,  62,  10,  65,   6,  60, },

  75. { 48,  30,  43,  25,  47,  29,  42,  24, },

  76. };

  77. 

  78. #if 1

  79. DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={

  80. {117,  62, 158, 103, 113,  58, 155, 100, },

  81. { 34, 199,  21, 186,  31, 196,  17, 182, },

  82. {144,  89, 131,  76, 141,  86, 127,  72, },

  83. {  0, 165,  41, 206,  10, 175,  52, 217, },

  84. {110,  55, 151,  96, 120,  65, 162, 107, },

  85. { 28, 193,  14, 179,  38, 203,  24, 189, },

  86. {138,  83, 124,  69, 148,  93, 134,  79, },

  87. {  7, 172,  48, 213,   3, 168,  45, 210, },

  88. };

  89. #elif 1

  90. // tries to correct a gamma of 1.5

  91. DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={

  92. {  0, 143,  18, 200,   2, 156,  25, 215, },

  93. { 78,  28, 125,  64,  89,  36, 138,  74, },

  94. { 10, 180,   3, 161,  16, 195,   8, 175, },

  95. {109,  51,  93,  38, 121,  60, 105,  47, },

  96. {  1, 152,  23, 210,   0, 147,  20, 205, },

  97. { 85,  33, 134,  71,  81,  30, 130,  67, },

  98. { 14, 190,   6, 171,  12, 185,   5, 166, },

  99. {117,  57, 101,  44, 113,  54,  97,  41, },

  100. };

  101. #elif 1

  102. // tries to correct a gamma of 2.0

  103. DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={

  104. {  0, 124,   8, 193,   0, 140,  12, 213, },

  105. { 55,  14, 104,  42,  66,  19, 119,  52, },

  106. {  3, 168,   1, 145,   6, 187,   3, 162, },

  107. { 86,  31,  70,  21,  99,  39,  82,  28, },

  108. {  0, 134,  11, 206,   0, 129,   9, 200, },

  109. { 62,  17, 114,  48,  58,  16, 109,  45, },

  110. {  5, 181,   2, 157,   4, 175,   1, 151, },

  111. { 95,  36,  78,  26,  90,  34,  74,  24, },

  112. };

  113. #else

  114. // tries to correct a gamma of 2.5

  115. DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={

  116. {  0, 107,   3, 187,   0, 125,   6, 212, },

  117. { 39,   7,  86,  28,  49,  11, 102,  36, },

  118. {  1, 158,   0, 131,   3, 180,   1, 151, },

  119. { 68,  19,  52,  12,  81,  25,  64,  17, },

  120. {  0, 119,   5, 203,   0, 113,   4, 195, },

  121. { 45,   9,  96,  33,  42,   8,  91,  30, },

  122. {  2, 172,   1, 144,   2, 165,   0, 137, },

  123. { 77,  23,  60,  15,  72,  21,  56,  14, },

  124. };

  125. #endif

  126. 

  127. #define output_pixel(pos, val, bias, signedness) \

  128.     if (big_endian) { \

  129.         AV_WB16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \

  130.     } else { \

  131.         AV_WL16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \

  132.     }

  133. 

  134. static av_always_inline void

  135. yuv2plane1_16_c_template(const int32_t *src, uint16_t *dest, int dstW,

  136.                          int big_endian, int output_bits)

  137. {

  138.     int i;

  139.     int shift = 3;

  140.     av_assert0(output_bits == 16);

  141. 

  142.     for (i = 0; i < dstW; i++) {

  143.         int val = src[i] + (1 << (shift - 1));

  144.         output_pixel(&dest[i], val, 0, uint);

  145.     }

  146. }

  147. 

  148. static av_always_inline void

  149. yuv2planeX_16_c_template(const int16_t *filter, int filterSize,

  150.                          const int32_t **src, uint16_t *dest, int dstW,

  151.                          int big_endian, int output_bits)

  152. {

  153.     int i;

  154.     int shift = 15;

  155.     av_assert0(output_bits == 16);

  156. 

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

  158.         int val = 1 << (shift - 1);

  159.         int j;

  160. 

  161.         /* range of val is [0,0x7FFFFFFF], so 31 bits, but with lanczos/spline

  162.          * filters (or anything with negative coeffs, the range can be slightly

  163.          * wider in both directions. To account for this overflow, we subtract

  164.          * a constant so it always fits in the signed range (assuming a

  165.          * reasonable filterSize), and re-add that at the end. */

  166.         val -= 0x40000000;

  167.         for (j = 0; j < filterSize; j++)

  168.             val += src[j][i] * filter[j];

  169. 

  170.         output_pixel(&dest[i], val, 0x8000, int);

  171.     }

  172. }

  173. 

  174. #undef output_pixel

  175. 

  176. #define output_pixel(pos, val) \

  177.     if (big_endian) { \

  178.         AV_WB16(pos, av_clip_uintp2(val >> shift, output_bits)); \

  179.     } else { \

  180.         AV_WL16(pos, av_clip_uintp2(val >> shift, output_bits)); \

  181.     }

  182. 

  183. static av_always_inline void

  184. yuv2plane1_10_c_template(const int16_t *src, uint16_t *dest, int dstW,

  185.                          int big_endian, int output_bits)

  186. {

  187.     int i;

  188.     int shift = 15 - output_bits;

  189. 

  190.     for (i = 0; i < dstW; i++) {

  191.         int val = src[i] + (1 << (shift - 1));

  192.         output_pixel(&dest[i], val);

  193.     }

  194. }

  195. 

  196. static av_always_inline void

  197. yuv2planeX_10_c_template(const int16_t *filter, int filterSize,

  198.                          const int16_t **src, uint16_t *dest, int dstW,

  199.                          int big_endian, int output_bits)

  200. {

  201.     int i;

  202.     int shift = 11 + 16 - output_bits;

  203. 

  204.     for (i = 0; i < dstW; i++) {

  205.         int val = 1 << (shift - 1);

  206.         int j;

  207. 

  208.         for (j = 0; j < filterSize; j++)

  209.             val += src[j][i] * filter[j];

  210. 

  211.         output_pixel(&dest[i], val);

  212.     }

  213. }

  214. 

  215. #undef output_pixel

  216. 

  217. #define yuv2NBPS(bits, BE_LE, is_be, template_size, typeX_t) \

  218. static void yuv2plane1_ ## bits ## BE_LE ## _c(const int16_t *src, \

  219.                               uint8_t *dest, int dstW, \

  220.                               const uint8_t *dither, int offset)\

  221. { \

  222.     yuv2plane1_ ## template_size ## _c_template((const typeX_t *) src, \

  223.                          (uint16_t *) dest, dstW, is_be, bits); \

  224. }\

  225. static void yuv2planeX_ ## bits ## BE_LE ## _c(const int16_t *filter, int filterSize, \

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

  227.                               const uint8_t *dither, int offset)\

  228. { \

  229.     yuv2planeX_## template_size ## _c_template(filter, \

  230.                          filterSize, (const typeX_t **) src, \

  231.                          (uint16_t *) dest, dstW, is_be, bits); \

  232. }

  233. yuv2NBPS( 9, BE, 1, 10, int16_t)

  234. yuv2NBPS( 9, LE, 0, 10, int16_t)

  235. yuv2NBPS(10, BE, 1, 10, int16_t)

  236. yuv2NBPS(10, LE, 0, 10, int16_t)

  237. yuv2NBPS(16, BE, 1, 16, int32_t)

  238. yuv2NBPS(16, LE, 0, 16, int32_t)

  239. 

  240. static void yuv2planeX_8_c(const int16_t *filter, int filterSize,

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

  242.                            const uint8_t *dither, int offset)

  243. {

  244.     int i;

  245.     for (i=0; i<dstW; i++) {

  246.         int val = dither[(i + offset) & 7] << 12;

  247.         int j;

  248.         for (j=0; j<filterSize; j++)

  249.             val += src[j][i] * filter[j];

  250. 

  251.         dest[i]= av_clip_uint8(val>>19);

  252.     }

  253. }

  254. 

  255. static void yuv2plane1_8_c(const int16_t *src, uint8_t *dest, int dstW,

  256.                            const uint8_t *dither, int offset)

  257. {

  258.     int i;

  259.     for (i=0; i<dstW; i++) {

  260.         int val = (src[i] + dither[(i + offset) & 7]) >> 7;

  261.         dest[i]= av_clip_uint8(val);

  262.     }

  263. }

  264. 

  265. static void yuv2nv12cX_c(SwsContext *c, const int16_t *chrFilter, int chrFilterSize,

  266.                         const int16_t **chrUSrc, const int16_t **chrVSrc,

  267.                         uint8_t *dest, int chrDstW)

  268. {

  269.     enum PixelFormat dstFormat = c->dstFormat;

  270.     const uint8_t *chrDither = c->chrDither8;

  271.     int i;

  272. 

  273.     if (dstFormat == PIX_FMT_NV12)

  274.         for (i=0; i<chrDstW; i++) {

  275.             int u = chrDither[i & 7] << 12;

  276.             int v = chrDither[(i + 3) & 7] << 12;

  277.             int j;

  278.             for (j=0; j<chrFilterSize; j++) {

  279.                 u += chrUSrc[j][i] * chrFilter[j];

  280.                 v += chrVSrc[j][i] * chrFilter[j];

  281.             }

  282. 

  283.             dest[2*i]= av_clip_uint8(u>>19);

  284.             dest[2*i+1]= av_clip_uint8(v>>19);

  285.         }

  286.     else

  287.         for (i=0; i<chrDstW; i++) {

  288.             int u = chrDither[i & 7] << 12;

  289.             int v = chrDither[(i + 3) & 7] << 12;

  290.             int j;

  291.             for (j=0; j<chrFilterSize; j++) {

  292.                 u += chrUSrc[j][i] * chrFilter[j];

  293.                 v += chrVSrc[j][i] * chrFilter[j];

  294.             }

  295. 

  296.             dest[2*i]= av_clip_uint8(v>>19);

  297.             dest[2*i+1]= av_clip_uint8(u>>19);

  298.         }

  299. }

  300. 

  301. #define output_pixel(pos, acc) \

  302.     if (target == PIX_FMT_MONOBLACK) { \

  303.         pos = acc; \

  304.     } else { \

  305.         pos = ~acc; \

  306.     }

  307. 

  308. static av_always_inline void

  309. yuv2mono_X_c_template(SwsContext *c, const int16_t *lumFilter,

  310.                       const int16_t **lumSrc, int lumFilterSize,

  311.                       const int16_t *chrFilter, const int16_t **chrUSrc,

  312.                       const int16_t **chrVSrc, int chrFilterSize,

  313.                       const int16_t **alpSrc, uint8_t *dest, int dstW,

  314.                       int y, enum PixelFormat target)

  315. {

  316.     const uint8_t * const d128=dither_8x8_220[y&7];

  317.     uint8_t *g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM];

  318.     int i;

  319.     unsigned acc = 0;

  320. 

  321.     for (i = 0; i < dstW - 1; i += 2) {

  322.         int j;

  323.         int Y1 = 1 << 18;

  324.         int Y2 = 1 << 18;

  325. 

  326.         for (j = 0; j < lumFilterSize; j++) {

  327.             Y1 += lumSrc[j][i]   * lumFilter[j];

  328.             Y2 += lumSrc[j][i+1] * lumFilter[j];

  329.         }

  330.         Y1 >>= 19;

  331.         Y2 >>= 19;

  332.         if ((Y1 | Y2) & 0x100) {

  333.             Y1 = av_clip_uint8(Y1);

  334.             Y2 = av_clip_uint8(Y2);

  335.         }

  336.         acc += acc + g[Y1 + d128[(i + 0) & 7]];

  337.         acc += acc + g[Y2 + d128[(i + 1) & 7]];

  338.         if ((i & 7) == 6) {

  339.             output_pixel(*dest++, acc);

  340.         }

  341.     }

  342. }

  343. 

  344. static av_always_inline void

  345. yuv2mono_2_c_template(SwsContext *c, const int16_t *buf[2],

  346.                       const int16_t *ubuf[2], const int16_t *vbuf[2],

  347.                       const int16_t *abuf[2], uint8_t *dest, int dstW,

  348.                       int yalpha, int uvalpha, int y,

  349.                       enum PixelFormat target)

  350. {

  351.     const int16_t *buf0  = buf[0],  *buf1  = buf[1];

  352.     const uint8_t * const d128 = dither_8x8_220[y & 7];

  353.     uint8_t *g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM];

  354.     int  yalpha1 = 4095 - yalpha;

  355.     int i;

  356. 

  357.     for (i = 0; i < dstW - 7; i += 8) {

  358.         int acc =    g[((buf0[i    ] * yalpha1 + buf1[i    ] * yalpha) >> 19) + d128[0]];

  359.         acc += acc + g[((buf0[i + 1] * yalpha1 + buf1[i + 1] * yalpha) >> 19) + d128[1]];

  360.         acc += acc + g[((buf0[i + 2] * yalpha1 + buf1[i + 2] * yalpha) >> 19) + d128[2]];

  361.         acc += acc + g[((buf0[i + 3] * yalpha1 + buf1[i + 3] * yalpha) >> 19) + d128[3]];

  362.         acc += acc + g[((buf0[i + 4] * yalpha1 + buf1[i + 4] * yalpha) >> 19) + d128[4]];

  363.         acc += acc + g[((buf0[i + 5] * yalpha1 + buf1[i + 5] * yalpha) >> 19) + d128[5]];

  364.         acc += acc + g[((buf0[i + 6] * yalpha1 + buf1[i + 6] * yalpha) >> 19) + d128[6]];

  365.         acc += acc + g[((buf0[i + 7] * yalpha1 + buf1[i + 7] * yalpha) >> 19) + d128[7]];

  366.         output_pixel(*dest++, acc);

  367.     }

  368. }

  369. 

  370. static av_always_inline void

  371. yuv2mono_1_c_template(SwsContext *c, const int16_t *buf0,

  372.                       const int16_t *ubuf[2], const int16_t *vbuf[2],

  373.                       const int16_t *abuf0, uint8_t *dest, int dstW,

  374.                       int uvalpha, int y, enum PixelFormat target)

  375. {

  376.     const uint8_t * const d128 = dither_8x8_220[y & 7];

  377.     uint8_t *g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM];

  378.     int i;

  379. 

  380.     for (i = 0; i < dstW - 7; i += 8) {

  381.         int acc =    g[(buf0[i    ] >> 7) + d128[0]];

  382.         acc += acc + g[(buf0[i + 1] >> 7) + d128[1]];

  383.         acc += acc + g[(buf0[i + 2] >> 7) + d128[2]];

  384.         acc += acc + g[(buf0[i + 3] >> 7) + d128[3]];

  385.         acc += acc + g[(buf0[i + 4] >> 7) + d128[4]];

  386.         acc += acc + g[(buf0[i + 5] >> 7) + d128[5]];

  387.         acc += acc + g[(buf0[i + 6] >> 7) + d128[6]];

  388.         acc += acc + g[(buf0[i + 7] >> 7) + d128[7]];

  389.         output_pixel(*dest++, acc);

  390.     }

  391. }

  392. 

  393. #undef output_pixel

  394. 

  395. #define YUV2PACKEDWRAPPER(name, base, ext, fmt) \

  396. static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \

  397.                                 const int16_t **lumSrc, int lumFilterSize, \

  398.                                 const int16_t *chrFilter, const int16_t **chrUSrc, \

  399.                                 const int16_t **chrVSrc, int chrFilterSize, \

  400.                                 const int16_t **alpSrc, uint8_t *dest, int dstW, \

  401.                                 int y) \

  402. { \

  403.     name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \

  404.                                   chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

  405.                                   alpSrc, dest, dstW, y, fmt); \

  406. } \

  407.  \

  408. static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \

  409.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  410.                                 const int16_t *abuf[2], uint8_t *dest, int dstW, \

  411.                                 int yalpha, int uvalpha, int y) \

  412. { \

  413.     name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \

  414.                                   dest, dstW, yalpha, uvalpha, y, fmt); \

  415. } \

  416.  \

  417. static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \

  418.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  419.                                 const int16_t *abuf0, uint8_t *dest, int dstW, \

  420.                                 int uvalpha, int y) \

  421. { \

  422.     name ## base ## _1_c_template(c, buf0, ubuf, vbuf, \

  423.                                   abuf0, dest, dstW, uvalpha, \

  424.                                   y, fmt); \

  425. }

  426. 

  427. YUV2PACKEDWRAPPER(yuv2mono,, white, PIX_FMT_MONOWHITE)

  428. YUV2PACKEDWRAPPER(yuv2mono,, black, PIX_FMT_MONOBLACK)

  429. 

  430. #define output_pixels(pos, Y1, U, Y2, V) \

  431.     if (target == PIX_FMT_YUYV422) { \

  432.         dest[pos + 0] = Y1; \

  433.         dest[pos + 1] = U;  \

  434.         dest[pos + 2] = Y2; \

  435.         dest[pos + 3] = V;  \

  436.     } else { \

  437.         dest[pos + 0] = U;  \

  438.         dest[pos + 1] = Y1; \

  439.         dest[pos + 2] = V;  \

  440.         dest[pos + 3] = Y2; \

  441.     }

  442. 

  443. static av_always_inline void

  444. yuv2422_X_c_template(SwsContext *c, const int16_t *lumFilter,

  445.                      const int16_t **lumSrc, int lumFilterSize,

  446.                      const int16_t *chrFilter, const int16_t **chrUSrc,

  447.                      const int16_t **chrVSrc, int chrFilterSize,

  448.                      const int16_t **alpSrc, uint8_t *dest, int dstW,

  449.                      int y, enum PixelFormat target)

  450. {

  451.     int i;

  452. 

  453.     for (i = 0; i < (dstW >> 1); i++) {

  454.         int j;

  455.         int Y1 = 1 << 18;

  456.         int Y2 = 1 << 18;

  457.         int U  = 1 << 18;

  458.         int V  = 1 << 18;

  459. 

  460.         for (j = 0; j < lumFilterSize; j++) {

  461.             Y1 += lumSrc[j][i * 2]     * lumFilter[j];

  462.             Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j];

  463.         }

  464.         for (j = 0; j < chrFilterSize; j++) {

  465.             U += chrUSrc[j][i] * chrFilter[j];

  466.             V += chrVSrc[j][i] * chrFilter[j];

  467.         }

  468.         Y1 >>= 19;

  469.         Y2 >>= 19;

  470.         U  >>= 19;

  471.         V  >>= 19;

  472.         if ((Y1 | Y2 | U | V) & 0x100) {

  473.             Y1 = av_clip_uint8(Y1);

  474.             Y2 = av_clip_uint8(Y2);

  475.             U  = av_clip_uint8(U);

  476.             V  = av_clip_uint8(V);

  477.         }

  478.         output_pixels(4*i, Y1, U, Y2, V);

  479.     }

  480. }

  481. 

  482. static av_always_inline void

  483. yuv2422_2_c_template(SwsContext *c, const int16_t *buf[2],

  484.                      const int16_t *ubuf[2], const int16_t *vbuf[2],

  485.                      const int16_t *abuf[2], uint8_t *dest, int dstW,

  486.                      int yalpha, int uvalpha, int y,

  487.                      enum PixelFormat target)

  488. {

  489.     const int16_t *buf0  = buf[0],  *buf1  = buf[1],

  490.                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],

  491.                   *vbuf0 = vbuf[0], *vbuf1 = vbuf[1];

  492.     int  yalpha1 = 4095 - yalpha;

  493.     int uvalpha1 = 4095 - uvalpha;

  494.     int i;

  495. 

  496.     for (i = 0; i < (dstW >> 1); i++) {

  497.         int Y1 = (buf0[i * 2]     * yalpha1  + buf1[i * 2]     * yalpha)  >> 19;

  498.         int Y2 = (buf0[i * 2 + 1] * yalpha1  + buf1[i * 2 + 1] * yalpha)  >> 19;

  499.         int U  = (ubuf0[i]        * uvalpha1 + ubuf1[i]        * uvalpha) >> 19;

  500.         int V  = (vbuf0[i]        * uvalpha1 + vbuf1[i]        * uvalpha) >> 19;

  501. 

  502.         output_pixels(i * 4, Y1, U, Y2, V);

  503.     }

  504. }

  505. 

  506. static av_always_inline void

  507. yuv2422_1_c_template(SwsContext *c, const int16_t *buf0,

  508.                      const int16_t *ubuf[2], const int16_t *vbuf[2],

  509.                      const int16_t *abuf0, uint8_t *dest, int dstW,

  510.                      int uvalpha, int y, enum PixelFormat target)

  511. {

  512.     const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];

  513.     int i;

  514. 

  515.     if (uvalpha < 2048) {

  516.         for (i = 0; i < (dstW >> 1); i++) {

  517.             int Y1 = (buf0[i * 2    ]+64) >> 7;

  518.             int Y2 = (buf0[i * 2 + 1]+64) >> 7;

  519.             int U  = (ubuf0[i]       +64) >> 7;

  520.             int V  = (vbuf0[i]       +64) >> 7;

  521. 

  522.             output_pixels(i * 4, Y1, U, Y2, V);

  523.         }

  524.     } else {

  525.         const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];

  526.         for (i = 0; i < (dstW >> 1); i++) {

  527.             int Y1 = (buf0[i * 2    ]    + 64) >> 7;

  528.             int Y2 = (buf0[i * 2 + 1]    + 64) >> 7;

  529.             int U  = (ubuf0[i] + ubuf1[i]+128) >> 8;

  530.             int V  = (vbuf0[i] + vbuf1[i]+128) >> 8;

  531. 

  532.             output_pixels(i * 4, Y1, U, Y2, V);

  533.         }

  534.     }

  535. }

  536. 

  537. #undef output_pixels

  538. 

  539. YUV2PACKEDWRAPPER(yuv2, 422, yuyv422, PIX_FMT_YUYV422)

  540. YUV2PACKEDWRAPPER(yuv2, 422, uyvy422, PIX_FMT_UYVY422)

  541. 

  542. #define R_B ((target == PIX_FMT_RGB48LE || target == PIX_FMT_RGB48BE) ? R : B)

  543. #define B_R ((target == PIX_FMT_RGB48LE || target == PIX_FMT_RGB48BE) ? B : R)

  544. #define output_pixel(pos, val) \

  545.     if (isBE(target)) { \

  546.         AV_WB16(pos, val); \

  547.     } else { \

  548.         AV_WL16(pos, val); \

  549.     }

  550. 

  551. static av_always_inline void

  552. yuv2rgb48_X_c_template(SwsContext *c, const int16_t *lumFilter,

  553.                        const int32_t **lumSrc, int lumFilterSize,

  554.                        const int16_t *chrFilter, const int32_t **chrUSrc,

  555.                        const int32_t **chrVSrc, int chrFilterSize,

  556.                        const int32_t **alpSrc, uint16_t *dest, int dstW,

  557.                        int y, enum PixelFormat target)

  558. {

  559.     int i;

  560. 

  561.     for (i = 0; i < (dstW >> 1); i++) {

  562.         int j;

  563.         int Y1 = -0x40000000;

  564.         int Y2 = -0x40000000;

  565.         int U  = -128 << 23; // 19

  566.         int V  = -128 << 23;

  567.         int R, G, B;

  568. 

  569.         for (j = 0; j < lumFilterSize; j++) {

  570.             Y1 += lumSrc[j][i * 2]     * lumFilter[j];

  571.             Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j];

  572.         }

  573.         for (j = 0; j < chrFilterSize; j++) {

  574.             U += chrUSrc[j][i] * chrFilter[j];

  575.             V += chrVSrc[j][i] * chrFilter[j];

  576.         }

  577. 

  578.         // 8bit: 12+15=27; 16-bit: 12+19=31

  579.         Y1 >>= 14; // 10

  580.         Y1 += 0x10000;

  581.         Y2 >>= 14;

  582.         Y2 += 0x10000;

  583.         U  >>= 14;

  584.         V  >>= 14;

  585. 

  586.         // 8bit: 27 -> 17bit, 16bit: 31 - 14 = 17bit

  587.         Y1 -= c->yuv2rgb_y_offset;

  588.         Y2 -= c->yuv2rgb_y_offset;

  589.         Y1 *= c->yuv2rgb_y_coeff;

  590.         Y2 *= c->yuv2rgb_y_coeff;

  591.         Y1 += 1 << 13; // 21

  592.         Y2 += 1 << 13;

  593.         // 8bit: 17 + 13bit = 30bit, 16bit: 17 + 13bit = 30bit

  594. 

  595.         R = V * c->yuv2rgb_v2r_coeff;

  596.         G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;

  597.         B =                            U * c->yuv2rgb_u2b_coeff;

  598. 

  599.         // 8bit: 30 - 22 = 8bit, 16bit: 30bit - 14 = 16bit

  600.         output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);

  601.         output_pixel(&dest[1], av_clip_uintp2(  G + Y1, 30) >> 14);

  602.         output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);

  603.         output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);

  604.         output_pixel(&dest[4], av_clip_uintp2(  G + Y2, 30) >> 14);

  605.         output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);

  606.         dest += 6;

  607.     }

  608. }

  609. 

  610. static av_always_inline void

  611. yuv2rgb48_2_c_template(SwsContext *c, const int32_t *buf[2],

  612.                        const int32_t *ubuf[2], const int32_t *vbuf[2],

  613.                        const int32_t *abuf[2], uint16_t *dest, int dstW,

  614.                        int yalpha, int uvalpha, int y,

  615.                        enum PixelFormat target)

  616. {

  617.     const int32_t *buf0  = buf[0],  *buf1  = buf[1],

  618.                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],

  619.                   *vbuf0 = vbuf[0], *vbuf1 = vbuf[1];

  620.     int  yalpha1 = 4095 - yalpha;

  621.     int uvalpha1 = 4095 - uvalpha;

  622.     int i;

  623. 

  624.     for (i = 0; i < (dstW >> 1); i++) {

  625.         int Y1 = (buf0[i * 2]     * yalpha1  + buf1[i * 2]     * yalpha) >> 14;

  626.         int Y2 = (buf0[i * 2 + 1] * yalpha1  + buf1[i * 2 + 1] * yalpha) >> 14;

  627.         int U  = (ubuf0[i]        * uvalpha1 + ubuf1[i]        * uvalpha + (-128 << 23)) >> 14;

  628.         int V  = (vbuf0[i]        * uvalpha1 + vbuf1[i]        * uvalpha + (-128 << 23)) >> 14;

  629.         int R, G, B;

  630. 

  631.         Y1 -= c->yuv2rgb_y_offset;

  632.         Y2 -= c->yuv2rgb_y_offset;

  633.         Y1 *= c->yuv2rgb_y_coeff;

  634.         Y2 *= c->yuv2rgb_y_coeff;

  635.         Y1 += 1 << 13;

  636.         Y2 += 1 << 13;

  637. 

  638.         R = V * c->yuv2rgb_v2r_coeff;

  639.         G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;

  640.         B =                            U * c->yuv2rgb_u2b_coeff;

  641. 

  642.         output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);

  643.         output_pixel(&dest[1], av_clip_uintp2(  G + Y1, 30) >> 14);

  644.         output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);

  645.         output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);

  646.         output_pixel(&dest[4], av_clip_uintp2(  G + Y2, 30) >> 14);

  647.         output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);

  648.         dest += 6;

  649.     }

  650. }

  651. 

  652. static av_always_inline void

  653. yuv2rgb48_1_c_template(SwsContext *c, const int32_t *buf0,

  654.                        const int32_t *ubuf[2], const int32_t *vbuf[2],

  655.                        const int32_t *abuf0, uint16_t *dest, int dstW,

  656.                        int uvalpha, int y, enum PixelFormat target)

  657. {

  658.     const int32_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];

  659.     int i;

  660. 

  661.     if (uvalpha < 2048) {

  662.         for (i = 0; i < (dstW >> 1); i++) {

  663.             int Y1 = (buf0[i * 2]    ) >> 2;

  664.             int Y2 = (buf0[i * 2 + 1]) >> 2;

  665.             int U  = (ubuf0[i] + (-128 << 11)) >> 2;

  666.             int V  = (vbuf0[i] + (-128 << 11)) >> 2;

  667.             int R, G, B;

  668. 

  669.             Y1 -= c->yuv2rgb_y_offset;

  670.             Y2 -= c->yuv2rgb_y_offset;

  671.             Y1 *= c->yuv2rgb_y_coeff;

  672.             Y2 *= c->yuv2rgb_y_coeff;

  673.             Y1 += 1 << 13;

  674.             Y2 += 1 << 13;

  675. 

  676.             R = V * c->yuv2rgb_v2r_coeff;

  677.             G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;

  678.             B =                            U * c->yuv2rgb_u2b_coeff;

  679. 

  680.             output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);

  681.             output_pixel(&dest[1], av_clip_uintp2(  G + Y1, 30) >> 14);

  682.             output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);

  683.             output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);

  684.             output_pixel(&dest[4], av_clip_uintp2(  G + Y2, 30) >> 14);

  685.             output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);

  686.             dest += 6;

  687.         }

  688.     } else {

  689.         const int32_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];

  690.         for (i = 0; i < (dstW >> 1); i++) {

  691.             int Y1 = (buf0[i * 2]    ) >> 2;

  692.             int Y2 = (buf0[i * 2 + 1]) >> 2;

  693.             int U  = (ubuf0[i] + ubuf1[i] + (-128 << 12)) >> 3;

  694.             int V  = (vbuf0[i] + vbuf1[i] + (-128 << 12)) >> 3;

  695.             int R, G, B;

  696. 

  697.             Y1 -= c->yuv2rgb_y_offset;

  698.             Y2 -= c->yuv2rgb_y_offset;

  699.             Y1 *= c->yuv2rgb_y_coeff;

  700.             Y2 *= c->yuv2rgb_y_coeff;

  701.             Y1 += 1 << 13;

  702.             Y2 += 1 << 13;

  703. 

  704.             R = V * c->yuv2rgb_v2r_coeff;

  705.             G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;

  706.             B =                            U * c->yuv2rgb_u2b_coeff;

  707. 

  708.             output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);

  709.             output_pixel(&dest[1], av_clip_uintp2(  G + Y1, 30) >> 14);

  710.             output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);

  711.             output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);

  712.             output_pixel(&dest[4], av_clip_uintp2(  G + Y2, 30) >> 14);

  713.             output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);

  714.             dest += 6;

  715.         }

  716.     }

  717. }

  718. 

  719. #undef output_pixel

  720. #undef r_b

  721. #undef b_r

  722. 

  723. #define YUV2PACKED16WRAPPER(name, base, ext, fmt) \

  724. static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \

  725.                         const int16_t **_lumSrc, int lumFilterSize, \

  726.                         const int16_t *chrFilter, const int16_t **_chrUSrc, \

  727.                         const int16_t **_chrVSrc, int chrFilterSize, \

  728.                         const int16_t **_alpSrc, uint8_t *_dest, int dstW, \

  729.                         int y) \

  730. { \

  731.     const int32_t **lumSrc  = (const int32_t **) _lumSrc, \

  732.                   **chrUSrc = (const int32_t **) _chrUSrc, \

  733.                   **chrVSrc = (const int32_t **) _chrVSrc, \

  734.                   **alpSrc  = (const int32_t **) _alpSrc; \

  735.     uint16_t *dest = (uint16_t *) _dest; \

  736.     name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \

  737.                           chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

  738.                           alpSrc, dest, dstW, y, fmt); \

  739. } \

  740.  \

  741. static void name ## ext ## _2_c(SwsContext *c, const int16_t *_buf[2], \

  742.                         const int16_t *_ubuf[2], const int16_t *_vbuf[2], \

  743.                         const int16_t *_abuf[2], uint8_t *_dest, int dstW, \

  744.                         int yalpha, int uvalpha, int y) \

  745. { \

  746.     const int32_t **buf  = (const int32_t **) _buf, \

  747.                   **ubuf = (const int32_t **) _ubuf, \

  748.                   **vbuf = (const int32_t **) _vbuf, \

  749.                   **abuf = (const int32_t **) _abuf; \

  750.     uint16_t *dest = (uint16_t *) _dest; \

  751.     name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \

  752.                           dest, dstW, yalpha, uvalpha, y, fmt); \

  753. } \

  754.  \

  755. static void name ## ext ## _1_c(SwsContext *c, const int16_t *_buf0, \

  756.                         const int16_t *_ubuf[2], const int16_t *_vbuf[2], \

  757.                         const int16_t *_abuf0, uint8_t *_dest, int dstW, \

  758.                         int uvalpha, int y) \

  759. { \

  760.     const int32_t *buf0  = (const int32_t *)  _buf0, \

  761.                  **ubuf  = (const int32_t **) _ubuf, \

  762.                  **vbuf  = (const int32_t **) _vbuf, \

  763.                   *abuf0 = (const int32_t *)  _abuf0; \

  764.     uint16_t *dest = (uint16_t *) _dest; \

  765.     name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \

  766.                                   dstW, uvalpha, y, fmt); \

  767. }

  768. 

  769. YUV2PACKED16WRAPPER(yuv2, rgb48, rgb48be, PIX_FMT_RGB48BE)

  770. YUV2PACKED16WRAPPER(yuv2, rgb48, rgb48le, PIX_FMT_RGB48LE)

  771. YUV2PACKED16WRAPPER(yuv2, rgb48, bgr48be, PIX_FMT_BGR48BE)

  772. YUV2PACKED16WRAPPER(yuv2, rgb48, bgr48le, PIX_FMT_BGR48LE)

  773. 

  774. /*

  775.  * Write out 2 RGB pixels in the target pixel format. This function takes a

  776.  * R/G/B LUT as generated by ff_yuv2rgb_c_init_tables(), which takes care of

  777.  * things like endianness conversion and shifting. The caller takes care of

  778.  * setting the correct offset in these tables from the chroma (U/V) values.

  779.  * This function then uses the luminance (Y1/Y2) values to write out the

  780.  * correct RGB values into the destination buffer.

  781.  */

  782. static av_always_inline void

  783. yuv2rgb_write(uint8_t *_dest, int i, int Y1, int Y2,

  784.               unsigned A1, unsigned A2,

  785.               const void *_r, const void *_g, const void *_b, int y,

  786.               enum PixelFormat target, int hasAlpha)

  787. {

  788.     if (target == PIX_FMT_ARGB || target == PIX_FMT_RGBA ||

  789.         target == PIX_FMT_ABGR || target == PIX_FMT_BGRA) {

  790.         uint32_t *dest = (uint32_t *) _dest;

  791.         const uint32_t *r = (const uint32_t *) _r;

  792.         const uint32_t *g = (const uint32_t *) _g;

  793.         const uint32_t *b = (const uint32_t *) _b;

  794. 

  795. #if CONFIG_SMALL

  796.         int sh = hasAlpha ? ((target == PIX_FMT_RGB32_1 || target == PIX_FMT_BGR32_1) ? 0 : 24) : 0;

  797. 

  798.         dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (hasAlpha ? A1 << sh : 0);

  799.         dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (hasAlpha ? A2 << sh : 0);

  800. #else

  801.         if (hasAlpha) {

  802.             int sh = (target == PIX_FMT_RGB32_1 || target == PIX_FMT_BGR32_1) ? 0 : 24;

  803. 

  804.             dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (A1 << sh);

  805.             dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (A2 << sh);

  806.         } else {

  807.             dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1];

  808.             dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2];

  809.         }

  810. #endif

  811.     } else if (target == PIX_FMT_RGB24 || target == PIX_FMT_BGR24) {

  812.         uint8_t *dest = (uint8_t *) _dest;

  813.         const uint8_t *r = (const uint8_t *) _r;

  814.         const uint8_t *g = (const uint8_t *) _g;

  815.         const uint8_t *b = (const uint8_t *) _b;

  816. 

  817. #define r_b ((target == PIX_FMT_RGB24) ? r : b)

  818. #define b_r ((target == PIX_FMT_RGB24) ? b : r)

  819. 

  820.         dest[i * 6 + 0] = r_b[Y1];

  821.         dest[i * 6 + 1] =   g[Y1];

  822.         dest[i * 6 + 2] = b_r[Y1];

  823.         dest[i * 6 + 3] = r_b[Y2];

  824.         dest[i * 6 + 4] =   g[Y2];

  825.         dest[i * 6 + 5] = b_r[Y2];

  826. #undef r_b

  827. #undef b_r

  828.     } else if (target == PIX_FMT_RGB565 || target == PIX_FMT_BGR565 ||

  829.                target == PIX_FMT_RGB555 || target == PIX_FMT_BGR555 ||

  830.                target == PIX_FMT_RGB444 || target == PIX_FMT_BGR444) {

  831.         uint16_t *dest = (uint16_t *) _dest;

  832.         const uint16_t *r = (const uint16_t *) _r;

  833.         const uint16_t *g = (const uint16_t *) _g;

  834.         const uint16_t *b = (const uint16_t *) _b;

  835.         int dr1, dg1, db1, dr2, dg2, db2;

  836. 

  837.         if (target == PIX_FMT_RGB565 || target == PIX_FMT_BGR565) {

  838.             dr1 = dither_2x2_8[ y & 1     ][0];

  839.             dg1 = dither_2x2_4[ y & 1     ][0];

  840.             db1 = dither_2x2_8[(y & 1) ^ 1][0];

  841.             dr2 = dither_2x2_8[ y & 1     ][1];

  842.             dg2 = dither_2x2_4[ y & 1     ][1];

  843.             db2 = dither_2x2_8[(y & 1) ^ 1][1];

  844.         } else if (target == PIX_FMT_RGB555 || target == PIX_FMT_BGR555) {

  845.             dr1 = dither_2x2_8[ y & 1     ][0];

  846.             dg1 = dither_2x2_8[ y & 1     ][1];

  847.             db1 = dither_2x2_8[(y & 1) ^ 1][0];

  848.             dr2 = dither_2x2_8[ y & 1     ][1];

  849.             dg2 = dither_2x2_8[ y & 1     ][0];

  850.             db2 = dither_2x2_8[(y & 1) ^ 1][1];

  851.         } else {

  852.             dr1 = dither_4x4_16[ y & 3     ][0];

  853.             dg1 = dither_4x4_16[ y & 3     ][1];

  854.             db1 = dither_4x4_16[(y & 3) ^ 3][0];

  855.             dr2 = dither_4x4_16[ y & 3     ][1];

  856.             dg2 = dither_4x4_16[ y & 3     ][0];

  857.             db2 = dither_4x4_16[(y & 3) ^ 3][1];

  858.         }

  859. 

  860.         dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1];

  861.         dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2];

  862.     } else /* 8/4-bit */ {

  863.         uint8_t *dest = (uint8_t *) _dest;

  864.         const uint8_t *r = (const uint8_t *) _r;

  865.         const uint8_t *g = (const uint8_t *) _g;

  866.         const uint8_t *b = (const uint8_t *) _b;

  867.         int dr1, dg1, db1, dr2, dg2, db2;

  868. 

  869.         if (target == PIX_FMT_RGB8 || target == PIX_FMT_BGR8) {

  870.             const uint8_t * const d64 = dither_8x8_73[y & 7];

  871.             const uint8_t * const d32 = dither_8x8_32[y & 7];

  872.             dr1 = dg1 = d32[(i * 2 + 0) & 7];

  873.             db1 =       d64[(i * 2 + 0) & 7];

  874.             dr2 = dg2 = d32[(i * 2 + 1) & 7];

  875.             db2 =       d64[(i * 2 + 1) & 7];

  876.         } else {

  877.             const uint8_t * const d64  = dither_8x8_73 [y & 7];

  878.             const uint8_t * const d128 = dither_8x8_220[y & 7];

  879.             dr1 = db1 = d128[(i * 2 + 0) & 7];

  880.             dg1 =        d64[(i * 2 + 0) & 7];

  881.             dr2 = db2 = d128[(i * 2 + 1) & 7];

  882.             dg2 =        d64[(i * 2 + 1) & 7];

  883.         }

  884. 

  885.         if (target == PIX_FMT_RGB4 || target == PIX_FMT_BGR4) {

  886.             dest[i] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1] +

  887.                     ((r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2]) << 4);

  888.         } else {

  889.             dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1];

  890.             dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2];

  891.         }

  892.     }

  893. }

  894. 

  895. static av_always_inline void

  896. yuv2rgb_X_c_template(SwsContext *c, const int16_t *lumFilter,

  897.                      const int16_t **lumSrc, int lumFilterSize,

  898.                      const int16_t *chrFilter, const int16_t **chrUSrc,

  899.                      const int16_t **chrVSrc, int chrFilterSize,

  900.                      const int16_t **alpSrc, uint8_t *dest, int dstW,

  901.                      int y, enum PixelFormat target, int hasAlpha)

  902. {

  903.     int i;

  904. 

  905.     for (i = 0; i < (dstW >> 1); i++) {

  906.         int j, A1, A2;

  907.         int Y1 = 1 << 18;

  908.         int Y2 = 1 << 18;

  909.         int U  = 1 << 18;

  910.         int V  = 1 << 18;

  911.         const void *r, *g, *b;

  912. 

  913.         for (j = 0; j < lumFilterSize; j++) {

  914.             Y1 += lumSrc[j][i * 2]     * lumFilter[j];

  915.             Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j];

  916.         }

  917.         for (j = 0; j < chrFilterSize; j++) {

  918.             U += chrUSrc[j][i] * chrFilter[j];

  919.             V += chrVSrc[j][i] * chrFilter[j];

  920.         }

  921.         Y1 >>= 19;

  922.         Y2 >>= 19;

  923.         U  >>= 19;

  924.         V  >>= 19;

  925.         if (hasAlpha) {

  926.             A1 = 1 << 18;

  927.             A2 = 1 << 18;

  928.             for (j = 0; j < lumFilterSize; j++) {

  929.                 A1 += alpSrc[j][i * 2    ] * lumFilter[j];

  930.                 A2 += alpSrc[j][i * 2 + 1] * lumFilter[j];

  931.             }

  932.             A1 >>= 19;

  933.             A2 >>= 19;

  934.             if ((A1 | A2) & 0x100) {

  935.                 A1 = av_clip_uint8(A1);

  936.                 A2 = av_clip_uint8(A2);

  937.             }

  938.         }

  939. 

  940.         r =  c->table_rV[V + YUVRGB_TABLE_HEADROOM];

  941.         g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]);

  942.         b =  c->table_bU[U + YUVRGB_TABLE_HEADROOM];

  943. 

  944.         yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  945.                       r, g, b, y, target, hasAlpha);

  946.     }

  947. }

  948. 

  949. static av_always_inline void

  950. yuv2rgb_2_c_template(SwsContext *c, const int16_t *buf[2],

  951.                      const int16_t *ubuf[2], const int16_t *vbuf[2],

  952.                      const int16_t *abuf[2], uint8_t *dest, int dstW,

  953.                      int yalpha, int uvalpha, int y,

  954.                      enum PixelFormat target, int hasAlpha)

  955. {

  956.     const int16_t *buf0  = buf[0],  *buf1  = buf[1],

  957.                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],

  958.                   *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],

  959.                   *abuf0 = hasAlpha ? abuf[0] : NULL,

  960.                   *abuf1 = hasAlpha ? abuf[1] : NULL;

  961.     int  yalpha1 = 4095 - yalpha;

  962.     int uvalpha1 = 4095 - uvalpha;

  963.     int i;

  964. 

  965.     for (i = 0; i < (dstW >> 1); i++) {

  966.         int Y1 = (buf0[i * 2]     * yalpha1  + buf1[i * 2]     * yalpha)  >> 19;

  967.         int Y2 = (buf0[i * 2 + 1] * yalpha1  + buf1[i * 2 + 1] * yalpha)  >> 19;

  968.         int U  = (ubuf0[i]        * uvalpha1 + ubuf1[i]        * uvalpha) >> 19;

  969.         int V  = (vbuf0[i]        * uvalpha1 + vbuf1[i]        * uvalpha) >> 19;

  970.         int A1, A2;

  971.         const void *r =  c->table_rV[V + YUVRGB_TABLE_HEADROOM],

  972.                    *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),

  973.                    *b =  c->table_bU[U + YUVRGB_TABLE_HEADROOM];

  974. 

  975.         if (hasAlpha) {

  976.             A1 = (abuf0[i * 2    ] * yalpha1 + abuf1[i * 2    ] * yalpha) >> 19;

  977.             A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 19;

  978.         }

  979. 

  980.         yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  981.                       r, g, b, y, target, hasAlpha);

  982.     }

  983. }

  984. 

  985. static av_always_inline void

  986. yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,

  987.                      const int16_t *ubuf[2], const int16_t *vbuf[2],

  988.                      const int16_t *abuf0, uint8_t *dest, int dstW,

  989.                      int uvalpha, int y, enum PixelFormat target,

  990.                      int hasAlpha)

  991. {

  992.     const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];

  993.     int i;

  994. 

  995.     if (uvalpha < 2048) {

  996.         for (i = 0; i < (dstW >> 1); i++) {

  997.             int Y1 = buf0[i * 2]     >> 7;

  998.             int Y2 = buf0[i * 2 + 1] >> 7;

  999.             int U  = ubuf0[i]        >> 7;

  1000.             int V  = vbuf0[i]        >> 7;

  1001.             int A1, A2;

  1002.             const void *r =  c->table_rV[V + YUVRGB_TABLE_HEADROOM],

  1003.                        *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),

  1004.                        *b =  c->table_bU[U + YUVRGB_TABLE_HEADROOM];

  1005. 

  1006.             if (hasAlpha) {

  1007.                 A1 = abuf0[i * 2    ] >> 7;

  1008.                 A2 = abuf0[i * 2 + 1] >> 7;

  1009.             }

  1010. 

  1011.             yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1012.                           r, g, b, y, target, hasAlpha);

  1013.         }

  1014.     } else {

  1015.         const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];

  1016.         for (i = 0; i < (dstW >> 1); i++) {

  1017.             int Y1 =  buf0[i * 2]          >> 7;

  1018.             int Y2 =  buf0[i * 2 + 1]      >> 7;

  1019.             int U  = (ubuf0[i] + ubuf1[i]) >> 8;

  1020.             int V  = (vbuf0[i] + vbuf1[i]) >> 8;

  1021.             int A1, A2;

  1022.             const void *r =  c->table_rV[V + YUVRGB_TABLE_HEADROOM],

  1023.                        *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),

  1024.                        *b =  c->table_bU[U + YUVRGB_TABLE_HEADROOM];

  1025. 

  1026.             if (hasAlpha) {

  1027.                 A1 = abuf0[i * 2    ] >> 7;

  1028.                 A2 = abuf0[i * 2 + 1] >> 7;

  1029.             }

  1030. 

  1031.             yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1032.                           r, g, b, y, target, hasAlpha);

  1033.         }

  1034.     }

  1035. }

  1036. 

  1037. #define YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \

  1038. static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \

  1039.                                 const int16_t **lumSrc, int lumFilterSize, \

  1040.                                 const int16_t *chrFilter, const int16_t **chrUSrc, \

  1041.                                 const int16_t **chrVSrc, int chrFilterSize, \

  1042.                                 const int16_t **alpSrc, uint8_t *dest, int dstW, \

  1043.                                 int y) \

  1044. { \

  1045.     name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \

  1046.                                   chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

  1047.                                   alpSrc, dest, dstW, y, fmt, hasAlpha); \

  1048. }

  1049. #define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \

  1050. YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \

  1051. static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \

  1052.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  1053.                                 const int16_t *abuf[2], uint8_t *dest, int dstW, \

  1054.                                 int yalpha, int uvalpha, int y) \

  1055. { \

  1056.     name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \

  1057.                                   dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha); \

  1058. } \

  1059.  \

  1060. static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \

  1061.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  1062.                                 const int16_t *abuf0, uint8_t *dest, int dstW, \

  1063.                                 int uvalpha, int y) \

  1064. { \

  1065.     name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \

  1066.                                   dstW, uvalpha, y, fmt, hasAlpha); \

  1067. }

  1068. 

  1069. #if CONFIG_SMALL

  1070. YUV2RGBWRAPPER(yuv2rgb,,  32_1,  PIX_FMT_RGB32_1,   CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1071. YUV2RGBWRAPPER(yuv2rgb,,  32,    PIX_FMT_RGB32,     CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1072. #else

  1073. #if CONFIG_SWSCALE_ALPHA

  1074. YUV2RGBWRAPPER(yuv2rgb,, a32_1,  PIX_FMT_RGB32_1,   1)

  1075. YUV2RGBWRAPPER(yuv2rgb,, a32,    PIX_FMT_RGB32,     1)

  1076. #endif

  1077. YUV2RGBWRAPPER(yuv2rgb,, x32_1,  PIX_FMT_RGB32_1,   0)

  1078. YUV2RGBWRAPPER(yuv2rgb,, x32,    PIX_FMT_RGB32,     0)

  1079. #endif

  1080. YUV2RGBWRAPPER(yuv2, rgb, rgb24, PIX_FMT_RGB24,   0)

  1081. YUV2RGBWRAPPER(yuv2, rgb, bgr24, PIX_FMT_BGR24,   0)

  1082. YUV2RGBWRAPPER(yuv2rgb,,  16,    PIX_FMT_RGB565,    0)

  1083. YUV2RGBWRAPPER(yuv2rgb,,  15,    PIX_FMT_RGB555,    0)

  1084. YUV2RGBWRAPPER(yuv2rgb,,  12,    PIX_FMT_RGB444,    0)

  1085. YUV2RGBWRAPPER(yuv2rgb,,   8,    PIX_FMT_RGB8,      0)

  1086. YUV2RGBWRAPPER(yuv2rgb,,   4,    PIX_FMT_RGB4,      0)

  1087. YUV2RGBWRAPPER(yuv2rgb,,   4b,   PIX_FMT_RGB4_BYTE, 0)

  1088. 

  1089. static av_always_inline void

  1090. yuv2rgb_full_X_c_template(SwsContext *c, const int16_t *lumFilter,

  1091.                           const int16_t **lumSrc, int lumFilterSize,

  1092.                           const int16_t *chrFilter, const int16_t **chrUSrc,

  1093.                           const int16_t **chrVSrc, int chrFilterSize,

  1094.                           const int16_t **alpSrc, uint8_t *dest,

  1095.                           int dstW, int y, enum PixelFormat target, int hasAlpha)

  1096. {

  1097.     int i;

  1098.     int step = (target == PIX_FMT_RGB24 || target == PIX_FMT_BGR24) ? 3 : 4;

  1099. 

  1100.     for (i = 0; i < dstW; i++) {

  1101.         int j;

  1102.         int Y = 1<<9;

  1103.         int U = (1<<9)-(128 << 19);

  1104.         int V = (1<<9)-(128 << 19);

  1105.         int R, G, B, A;

  1106. 

  1107.         for (j = 0; j < lumFilterSize; j++) {

  1108.             Y += lumSrc[j][i] * lumFilter[j];

  1109.         }

  1110.         for (j = 0; j < chrFilterSize; j++) {

  1111.             U += chrUSrc[j][i] * chrFilter[j];

  1112.             V += chrVSrc[j][i] * chrFilter[j];

  1113.         }

  1114.         Y >>= 10;

  1115.         U >>= 10;

  1116.         V >>= 10;

  1117.         if (hasAlpha) {

  1118.             A = 1 << 18;

  1119.             for (j = 0; j < lumFilterSize; j++) {

  1120.                 A += alpSrc[j][i] * lumFilter[j];

  1121.             }

  1122.             A >>= 19;

  1123.             if (A & 0x100)

  1124.                 A = av_clip_uint8(A);

  1125.         }

  1126.         Y -= c->yuv2rgb_y_offset;

  1127.         Y *= c->yuv2rgb_y_coeff;

  1128.         Y += 1 << 21;

  1129.         R = Y + V*c->yuv2rgb_v2r_coeff;

  1130.         G = Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;

  1131.         B = Y +                          U*c->yuv2rgb_u2b_coeff;

  1132.         if ((R | G | B) & 0xC0000000) {

  1133.             R = av_clip_uintp2(R, 30);

  1134.             G = av_clip_uintp2(G, 30);

  1135.             B = av_clip_uintp2(B, 30);

  1136.         }

  1137. 

  1138.         switch(target) {

  1139.         case PIX_FMT_ARGB:

  1140.             dest[0] = hasAlpha ? A : 255;

  1141.             dest[1] = R >> 22;

  1142.             dest[2] = G >> 22;

  1143.             dest[3] = B >> 22;

  1144.             break;

  1145.         case PIX_FMT_RGB24:

  1146.             dest[0] = R >> 22;

  1147.             dest[1] = G >> 22;

  1148.             dest[2] = B >> 22;

  1149.             break;

  1150.         case PIX_FMT_RGBA:

  1151.             dest[0] = R >> 22;

  1152.             dest[1] = G >> 22;

  1153.             dest[2] = B >> 22;

  1154.             dest[3] = hasAlpha ? A : 255;

  1155.             break;

  1156.         case PIX_FMT_ABGR:

  1157.             dest[0] = hasAlpha ? A : 255;

  1158.             dest[1] = B >> 22;

  1159.             dest[2] = G >> 22;

  1160.             dest[3] = R >> 22;

  1161.             break;

  1162.         case PIX_FMT_BGR24:

  1163.             dest[0] = B >> 22;

  1164.             dest[1] = G >> 22;

  1165.             dest[2] = R >> 22;

  1166.             break;

  1167.         case PIX_FMT_BGRA:

  1168.             dest[0] = B >> 22;

  1169.             dest[1] = G >> 22;

  1170.             dest[2] = R >> 22;

  1171.             dest[3] = hasAlpha ? A : 255;

  1172.             break;

  1173.         }

  1174.         dest += step;

  1175.     }

  1176. }

  1177. 

  1178. #if CONFIG_SMALL

  1179. YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, PIX_FMT_BGRA,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1180. YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, PIX_FMT_ABGR,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1181. YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, PIX_FMT_RGBA,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1182. YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, PIX_FMT_ARGB,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1183. #else

  1184. #if CONFIG_SWSCALE_ALPHA

  1185. YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, PIX_FMT_BGRA,  1)

  1186. YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, PIX_FMT_ABGR,  1)

  1187. YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, PIX_FMT_RGBA,  1)

  1188. YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, PIX_FMT_ARGB,  1)

  1189. #endif

  1190. YUV2RGBWRAPPERX(yuv2, rgb_full, bgrx32_full, PIX_FMT_BGRA,  0)

  1191. YUV2RGBWRAPPERX(yuv2, rgb_full, xbgr32_full, PIX_FMT_ABGR,  0)

  1192. YUV2RGBWRAPPERX(yuv2, rgb_full, rgbx32_full, PIX_FMT_RGBA,  0)

  1193. YUV2RGBWRAPPERX(yuv2, rgb_full, xrgb32_full, PIX_FMT_ARGB,  0)

  1194. #endif

  1195. YUV2RGBWRAPPERX(yuv2, rgb_full, bgr24_full,  PIX_FMT_BGR24, 0)

  1196. YUV2RGBWRAPPERX(yuv2, rgb_full, rgb24_full,  PIX_FMT_RGB24, 0)

  1197. 

  1198. void ff_sws_init_output_funcs(SwsContext *c,

  1199.                               yuv2planar1_fn *yuv2plane1,

  1200.                               yuv2planarX_fn *yuv2planeX,

  1201.                               yuv2interleavedX_fn *yuv2nv12cX,

  1202.                               yuv2packed1_fn *yuv2packed1,

  1203.                               yuv2packed2_fn *yuv2packed2,

  1204.                               yuv2packedX_fn *yuv2packedX)

  1205. {

  1206.     enum PixelFormat dstFormat = c->dstFormat;

  1207. 

  1208.     if (is16BPS(dstFormat)) {

  1209.         *yuv2planeX = isBE(dstFormat) ? yuv2planeX_16BE_c  : yuv2planeX_16LE_c;

  1210.         *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_16BE_c  : yuv2plane1_16LE_c;

  1211.     } else if (is9_OR_10BPS(dstFormat)) {

  1212.         if (av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1 == 8) {

  1213.             *yuv2planeX = isBE(dstFormat) ? yuv2planeX_9BE_c  : yuv2planeX_9LE_c;

  1214.             *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_9BE_c  : yuv2plane1_9LE_c;

  1215.         } else {

  1216.             *yuv2planeX = isBE(dstFormat) ? yuv2planeX_10BE_c  : yuv2planeX_10LE_c;

  1217.             *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_10BE_c  : yuv2plane1_10LE_c;

  1218.         }

  1219.     } else {

  1220.         *yuv2plane1 = yuv2plane1_8_c;

  1221.         *yuv2planeX = yuv2planeX_8_c;

  1222.         if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)

  1223.             *yuv2nv12cX = yuv2nv12cX_c;

  1224.     }

  1225. 

  1226.     if(c->flags & SWS_FULL_CHR_H_INT) {

  1227.         switch (dstFormat) {

  1228.             case PIX_FMT_RGBA:

  1229. #if CONFIG_SMALL

  1230.                 *yuv2packedX = yuv2rgba32_full_X_c;

  1231. #else

  1232. #if CONFIG_SWSCALE_ALPHA

  1233.                 if (c->alpPixBuf) {

  1234.                     *yuv2packedX = yuv2rgba32_full_X_c;

  1235.                 } else

  1236. #endif /* CONFIG_SWSCALE_ALPHA */

  1237.                 {

  1238.                     *yuv2packedX = yuv2rgbx32_full_X_c;

  1239.                 }

  1240. #endif /* !CONFIG_SMALL */

  1241.                 break;

  1242.             case PIX_FMT_ARGB:

  1243. #if CONFIG_SMALL

  1244.                 *yuv2packedX = yuv2argb32_full_X_c;

  1245. #else

  1246. #if CONFIG_SWSCALE_ALPHA

  1247.                 if (c->alpPixBuf) {

  1248.                     *yuv2packedX = yuv2argb32_full_X_c;

  1249.                 } else

  1250. #endif /* CONFIG_SWSCALE_ALPHA */

  1251.                 {

  1252.                     *yuv2packedX = yuv2xrgb32_full_X_c;

  1253.                 }

  1254. #endif /* !CONFIG_SMALL */

  1255.                 break;

  1256.             case PIX_FMT_BGRA:

  1257. #if CONFIG_SMALL

  1258.                 *yuv2packedX = yuv2bgra32_full_X_c;

  1259. #else

  1260. #if CONFIG_SWSCALE_ALPHA

  1261.                 if (c->alpPixBuf) {

  1262.                     *yuv2packedX = yuv2bgra32_full_X_c;

  1263.                 } else

  1264. #endif /* CONFIG_SWSCALE_ALPHA */

  1265.                 {

  1266.                     *yuv2packedX = yuv2bgrx32_full_X_c;

  1267.                 }

  1268. #endif /* !CONFIG_SMALL */

  1269.                 break;

  1270.             case PIX_FMT_ABGR:

  1271. #if CONFIG_SMALL

  1272.                 *yuv2packedX = yuv2abgr32_full_X_c;

  1273. #else

  1274. #if CONFIG_SWSCALE_ALPHA

  1275.                 if (c->alpPixBuf) {

  1276.                     *yuv2packedX = yuv2abgr32_full_X_c;

  1277.                 } else

  1278. #endif /* CONFIG_SWSCALE_ALPHA */

  1279.                 {

  1280.                     *yuv2packedX = yuv2xbgr32_full_X_c;

  1281.                 }

  1282. #endif /* !CONFIG_SMALL */

  1283.                 break;

  1284.             case PIX_FMT_RGB24:

  1285.             *yuv2packedX = yuv2rgb24_full_X_c;

  1286.             break;

  1287.         case PIX_FMT_BGR24:

  1288.             *yuv2packedX = yuv2bgr24_full_X_c;

  1289.             break;

  1290.         }

  1291.         if(!*yuv2packedX)

  1292.             goto YUV_PACKED;

  1293.     } else {

  1294.         YUV_PACKED:

  1295.         switch (dstFormat) {

  1296.         case PIX_FMT_RGB48LE:

  1297.             *yuv2packed1 = yuv2rgb48le_1_c;

  1298.             *yuv2packed2 = yuv2rgb48le_2_c;

  1299.             *yuv2packedX = yuv2rgb48le_X_c;

  1300.             break;

  1301.         case PIX_FMT_RGB48BE:

  1302.             *yuv2packed1 = yuv2rgb48be_1_c;

  1303.             *yuv2packed2 = yuv2rgb48be_2_c;

  1304.             *yuv2packedX = yuv2rgb48be_X_c;

  1305.             break;

  1306.         case PIX_FMT_BGR48LE:

  1307.             *yuv2packed1 = yuv2bgr48le_1_c;

  1308.             *yuv2packed2 = yuv2bgr48le_2_c;

  1309.             *yuv2packedX = yuv2bgr48le_X_c;

  1310.             break;

  1311.         case PIX_FMT_BGR48BE:

  1312.             *yuv2packed1 = yuv2bgr48be_1_c;

  1313.             *yuv2packed2 = yuv2bgr48be_2_c;

  1314.             *yuv2packedX = yuv2bgr48be_X_c;

  1315.             break;

  1316.         case PIX_FMT_RGB32:

  1317.         case PIX_FMT_BGR32:

  1318. #if CONFIG_SMALL

  1319.             *yuv2packed1 = yuv2rgb32_1_c;

  1320.             *yuv2packed2 = yuv2rgb32_2_c;

  1321.             *yuv2packedX = yuv2rgb32_X_c;

  1322. #else

  1323. #if CONFIG_SWSCALE_ALPHA

  1324.                 if (c->alpPixBuf) {

  1325.                     *yuv2packed1 = yuv2rgba32_1_c;

  1326.                     *yuv2packed2 = yuv2rgba32_2_c;

  1327.                     *yuv2packedX = yuv2rgba32_X_c;

  1328.                 } else

  1329. #endif /* CONFIG_SWSCALE_ALPHA */

  1330.                 {

  1331.                     *yuv2packed1 = yuv2rgbx32_1_c;

  1332.                     *yuv2packed2 = yuv2rgbx32_2_c;

  1333.                     *yuv2packedX = yuv2rgbx32_X_c;

  1334.                 }

  1335. #endif /* !CONFIG_SMALL */

  1336.             break;

  1337.         case PIX_FMT_RGB32_1:

  1338.         case PIX_FMT_BGR32_1:

  1339. #if CONFIG_SMALL

  1340.                 *yuv2packed1 = yuv2rgb32_1_1_c;

  1341.                 *yuv2packed2 = yuv2rgb32_1_2_c;

  1342.                 *yuv2packedX = yuv2rgb32_1_X_c;

  1343. #else

  1344. #if CONFIG_SWSCALE_ALPHA

  1345.                 if (c->alpPixBuf) {

  1346.                     *yuv2packed1 = yuv2rgba32_1_1_c;

  1347.                     *yuv2packed2 = yuv2rgba32_1_2_c;

  1348.                     *yuv2packedX = yuv2rgba32_1_X_c;

  1349.                 } else

  1350. #endif /* CONFIG_SWSCALE_ALPHA */

  1351.                 {

  1352.                     *yuv2packed1 = yuv2rgbx32_1_1_c;

  1353.                     *yuv2packed2 = yuv2rgbx32_1_2_c;

  1354.                     *yuv2packedX = yuv2rgbx32_1_X_c;

  1355.                 }

  1356. #endif /* !CONFIG_SMALL */

  1357.                 break;

  1358.         case PIX_FMT_RGB24:

  1359.             *yuv2packed1 = yuv2rgb24_1_c;

  1360.             *yuv2packed2 = yuv2rgb24_2_c;

  1361.             *yuv2packedX = yuv2rgb24_X_c;

  1362.             break;

  1363.         case PIX_FMT_BGR24:

  1364.             *yuv2packed1 = yuv2bgr24_1_c;

  1365.             *yuv2packed2 = yuv2bgr24_2_c;

  1366.             *yuv2packedX = yuv2bgr24_X_c;

  1367.             break;

  1368.         case PIX_FMT_RGB565LE:

  1369.         case PIX_FMT_RGB565BE:

  1370.         case PIX_FMT_BGR565LE:

  1371.         case PIX_FMT_BGR565BE:

  1372.             *yuv2packed1 = yuv2rgb16_1_c;

  1373.             *yuv2packed2 = yuv2rgb16_2_c;

  1374.             *yuv2packedX = yuv2rgb16_X_c;

  1375.             break;

  1376.         case PIX_FMT_RGB555LE:

  1377.         case PIX_FMT_RGB555BE:

  1378.         case PIX_FMT_BGR555LE:

  1379.         case PIX_FMT_BGR555BE:

  1380.             *yuv2packed1 = yuv2rgb15_1_c;

  1381.             *yuv2packed2 = yuv2rgb15_2_c;

  1382.             *yuv2packedX = yuv2rgb15_X_c;

  1383.             break;

  1384.         case PIX_FMT_RGB444LE:

  1385.         case PIX_FMT_RGB444BE:

  1386.         case PIX_FMT_BGR444LE:

  1387.         case PIX_FMT_BGR444BE:

  1388.             *yuv2packed1 = yuv2rgb12_1_c;

  1389.             *yuv2packed2 = yuv2rgb12_2_c;

  1390.             *yuv2packedX = yuv2rgb12_X_c;

  1391.             break;

  1392.         case PIX_FMT_RGB8:

  1393.         case PIX_FMT_BGR8:

  1394.             *yuv2packed1 = yuv2rgb8_1_c;

  1395.             *yuv2packed2 = yuv2rgb8_2_c;

  1396.             *yuv2packedX = yuv2rgb8_X_c;

  1397.             break;

  1398.         case PIX_FMT_RGB4:

  1399.         case PIX_FMT_BGR4:

  1400.             *yuv2packed1 = yuv2rgb4_1_c;

  1401.             *yuv2packed2 = yuv2rgb4_2_c;

  1402.             *yuv2packedX = yuv2rgb4_X_c;

  1403.             break;

  1404.         case PIX_FMT_RGB4_BYTE:

  1405.         case PIX_FMT_BGR4_BYTE:

  1406.             *yuv2packed1 = yuv2rgb4b_1_c;

  1407.             *yuv2packed2 = yuv2rgb4b_2_c;

  1408.             *yuv2packedX = yuv2rgb4b_X_c;

  1409.             break;

  1410.         }

  1411.     }

  1412.     switch (dstFormat) {

  1413.     case PIX_FMT_MONOWHITE:

  1414.         *yuv2packed1 = yuv2monowhite_1_c;

  1415.         *yuv2packed2 = yuv2monowhite_2_c;

  1416.         *yuv2packedX = yuv2monowhite_X_c;

  1417.         break;

  1418.     case PIX_FMT_MONOBLACK:

  1419.         *yuv2packed1 = yuv2monoblack_1_c;

  1420.         *yuv2packed2 = yuv2monoblack_2_c;

  1421.         *yuv2packedX = yuv2monoblack_X_c;

  1422.         break;

  1423.     case PIX_FMT_YUYV422:

  1424.         *yuv2packed1 = yuv2yuyv422_1_c;

  1425.         *yuv2packed2 = yuv2yuyv422_2_c;

  1426.         *yuv2packedX = yuv2yuyv422_X_c;

  1427.         break;

  1428.     case PIX_FMT_UYVY422:

  1429.         *yuv2packed1 = yuv2uyvy422_1_c;

  1430.         *yuv2packed2 = yuv2uyvy422_2_c;

  1431.         *yuv2packedX = yuv2uyvy422_X_c;

  1432.         break;

  1433.     }

  1434. }