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FFmpeg/libswscale/output.c

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  1. /*

  2.  * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>

  3.  *

  4.  * This file is part of Libav.

  5.  *

  6.  * Libav 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.  * Libav 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 Libav; 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/bswap.h"

  29. #include "libavutil/cpu.h"

  30. #include "libavutil/intreadwrite.h"

  31. #include "libavutil/mathematics.h"

  32. #include "libavutil/pixdesc.h"

  33. #include "config.h"

  34. #include "rgb2rgb.h"

  35. #include "swscale.h"

  36. #include "swscale_internal.h"

  37. 

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

  39. {  1,   3,   1,   3,   1,   3,   1,   3, },

  40. {  2,   0,   2,   0,   2,   0,   2,   0, },

  41. };

  42. 

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

  44. {  6,   2,   6,   2,   6,   2,   6,   2, },

  45. {  0,   4,   0,   4,   0,   4,   0,   4, },

  46. };

  47. 

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

  49. {  8,   4,  11,   7,   8,   4,  11,   7, },

  50. {  2,  14,   1,  13,   2,  14,   1,  13, },

  51. { 10,   6,   9,   5,  10,   6,   9,   5, },

  52. {  0,  12,   3,  15,   0,  12,   3,  15, },

  53. };

  54. 

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

  56. { 17,   9,  23,  15,  16,   8,  22,  14, },

  57. {  5,  29,   3,  27,   4,  28,   2,  26, },

  58. { 21,  13,  19,  11,  20,  12,  18,  10, },

  59. {  0,  24,   6,  30,   1,  25,   7,  31, },

  60. { 16,   8,  22,  14,  17,   9,  23,  15, },

  61. {  4,  28,   2,  26,   5,  29,   3,  27, },

  62. { 20,  12,  18,  10,  21,  13,  19,  11, },

  63. {  1,  25,   7,  31,   0,  24,   6,  30, },

  64. };

  65. 

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

  67. {  0,  55,  14,  68,   3,  58,  17,  72, },

  68. { 37,  18,  50,  32,  40,  22,  54,  35, },

  69. {  9,  64,   5,  59,  13,  67,   8,  63, },

  70. { 46,  27,  41,  23,  49,  31,  44,  26, },

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

  72. { 39,  21,  52,  34,  38,  19,  51,  33, },

  73. { 11,  66,   7,  62,  10,  65,   6,  60, },

  74. { 48,  30,  43,  25,  47,  29,  42,  24, },

  75. };

  76. 

  77. #if 1

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

  79. {117,  62, 158, 103, 113,  58, 155, 100, },

  80. { 34, 199,  21, 186,  31, 196,  17, 182, },

  81. {144,  89, 131,  76, 141,  86, 127,  72, },

  82. {  0, 165,  41, 206,  10, 175,  52, 217, },

  83. {110,  55, 151,  96, 120,  65, 162, 107, },

  84. { 28, 193,  14, 179,  38, 203,  24, 189, },

  85. {138,  83, 124,  69, 148,  93, 134,  79, },

  86. {  7, 172,  48, 213,   3, 168,  45, 210, },

  87. };

  88. #elif 1

  89. // tries to correct a gamma of 1.5

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

  91. {  0, 143,  18, 200,   2, 156,  25, 215, },

  92. { 78,  28, 125,  64,  89,  36, 138,  74, },

  93. { 10, 180,   3, 161,  16, 195,   8, 175, },

  94. {109,  51,  93,  38, 121,  60, 105,  47, },

  95. {  1, 152,  23, 210,   0, 147,  20, 205, },

  96. { 85,  33, 134,  71,  81,  30, 130,  67, },

  97. { 14, 190,   6, 171,  12, 185,   5, 166, },

  98. {117,  57, 101,  44, 113,  54,  97,  41, },

  99. };

  100. #elif 1

  101. // tries to correct a gamma of 2.0

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

  103. {  0, 124,   8, 193,   0, 140,  12, 213, },

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

  105. {  3, 168,   1, 145,   6, 187,   3, 162, },

  106. { 86,  31,  70,  21,  99,  39,  82,  28, },

  107. {  0, 134,  11, 206,   0, 129,   9, 200, },

  108. { 62,  17, 114,  48,  58,  16, 109,  45, },

  109. {  5, 181,   2, 157,   4, 175,   1, 151, },

  110. { 95,  36,  78,  26,  90,  34,  74,  24, },

  111. };

  112. #else

  113. // tries to correct a gamma of 2.5

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

  115. {  0, 107,   3, 187,   0, 125,   6, 212, },

  116. { 39,   7,  86,  28,  49,  11, 102,  36, },

  117. {  1, 158,   0, 131,   3, 180,   1, 151, },

  118. { 68,  19,  52,  12,  81,  25,  64,  17, },

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

  120. { 45,   9,  96,  33,  42,   8,  91,  30, },

  121. {  2, 172,   1, 144,   2, 165,   0, 137, },

  122. { 77,  23,  60,  15,  72,  21,  56,  14, },

  123. };

  124. #endif

  125. 

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

  127.     if (big_endian) { \

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

  129.     } else { \

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

  131.     }

  132. 

  133. static av_always_inline void

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

  135.                          int big_endian, int output_bits)

  136. {

  137.     int i;

  138.     int shift = 19 - output_bits;

  139. 

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

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

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

  143.     }

  144. }

  145. 

  146. static av_always_inline void

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

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

  149.                          int big_endian, int output_bits)

  150. {

  151.     int i;

  152.     int shift = 15 + 16 - output_bits;

  153. 

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

  155.         int val = 1 << (30-output_bits);

  156.         int j;

  157. 

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

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

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

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

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

  163.         val -= 0x40000000;

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

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

  166. 

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

  168.     }

  169. }

  170. 

  171. #undef output_pixel

  172. 

  173. #define output_pixel(pos, val) \

  174.     if (big_endian) { \

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

  176.     } else { \

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

  178.     }

  179. 

  180. static av_always_inline void

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

  182.                          int big_endian, int output_bits)

  183. {

  184.     int i;

  185.     int shift = 15 - output_bits;

  186. 

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

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

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

  190.     }

  191. }

  192. 

  193. static av_always_inline void

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

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

  196.                          int big_endian, int output_bits)

  197. {

  198.     int i;

  199.     int shift = 11 + 16 - output_bits;

  200. 

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

  202.         int val = 1 << (26-output_bits);

  203.         int j;

  204. 

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

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

  207. 

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

  209.     }

  210. }

  211. 

  212. #undef output_pixel

  213. 

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

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

  216.                               uint8_t *dest, int dstW, \

  217.                               const uint8_t *dither, int offset)\

  218. { \

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

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

  221. }\

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

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

  224.                               const uint8_t *dither, int offset)\

  225. { \

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

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

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

  229. }

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

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

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

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

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

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

  236. 

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

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

  239.                            const uint8_t *dither, int offset)

  240. {

  241.     int i;

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

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

  244.         int j;

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

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

  247. 

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

  249.     }

  250. }

  251. 

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

  253.                            const uint8_t *dither, int offset)

  254. {

  255.     int i;

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

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

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

  259.     }

  260. }

  261. 

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

  263.                         const int16_t **chrUSrc, const int16_t **chrVSrc,

  264.                         uint8_t *dest, int chrDstW)

  265. {

  266.     enum PixelFormat dstFormat = c->dstFormat;

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

  268.     int i;

  269. 

  270.     if (dstFormat == PIX_FMT_NV12)

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

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

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

  274.             int j;

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

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

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

  278.             }

  279. 

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

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

  282.         }

  283.     else

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

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

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

  287.             int j;

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

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

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

  291.             }

  292. 

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

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

  295.         }

  296. }

  297. 

  298. #define accumulate_bit(acc, val) \

  299.     acc <<= 1; \

  300.     acc |= (val) >= (128 + 110)

  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.     int i;

  318.     unsigned acc = 0;

  319. 

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

  321.         int j;

  322.         int Y1 = 1 << 18;

  323.         int Y2 = 1 << 18;

  324. 

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

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

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

  328.         }

  329.         Y1 >>= 19;

  330.         Y2 >>= 19;

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

  332.             Y1 = av_clip_uint8(Y1);

  333.             Y2 = av_clip_uint8(Y2);

  334.         }

  335.         accumulate_bit(acc, Y1 + d128[(i + 0) & 7]);

  336.         accumulate_bit(acc, Y2 + d128[(i + 1) & 7]);

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

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

  339.         }

  340.     }

  341. }

  342. 

  343. static av_always_inline void

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

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

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

  347.                       int yalpha, int uvalpha, int y,

  348.                       enum PixelFormat target)

  349. {

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

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

  352.     int  yalpha1 = 4095 - yalpha;

  353.     int i;

  354. 

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

  356.         int Y, acc = 0;

  357. 

  358.         Y = (buf0[i + 0] * yalpha1 + buf1[i + 0] * yalpha) >> 19;

  359.         accumulate_bit(acc, Y + d128[0]);

  360.         Y = (buf0[i + 1] * yalpha1 + buf1[i + 1] * yalpha) >> 19;

  361.         accumulate_bit(acc, Y + d128[1]);

  362.         Y = (buf0[i + 2] * yalpha1 + buf1[i + 2] * yalpha) >> 19;

  363.         accumulate_bit(acc, Y + d128[2]);

  364.         Y = (buf0[i + 3] * yalpha1 + buf1[i + 3] * yalpha) >> 19;

  365.         accumulate_bit(acc, Y + d128[3]);

  366.         Y = (buf0[i + 4] * yalpha1 + buf1[i + 4] * yalpha) >> 19;

  367.         accumulate_bit(acc, Y + d128[4]);

  368.         Y = (buf0[i + 5] * yalpha1 + buf1[i + 5] * yalpha) >> 19;

  369.         accumulate_bit(acc, Y + d128[5]);

  370.         Y = (buf0[i + 6] * yalpha1 + buf1[i + 6] * yalpha) >> 19;

  371.         accumulate_bit(acc, Y + d128[6]);

  372.         Y = (buf0[i + 7] * yalpha1 + buf1[i + 7] * yalpha) >> 19;

  373.         accumulate_bit(acc, Y + d128[7]);

  374. 

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

  376.     }

  377. }

  378. 

  379. static av_always_inline void

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

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

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

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

  384. {

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

  386.     int i;

  387. 

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

  389.         int acc = 0;

  390. 

  391.         accumulate_bit(acc, (buf0[i + 0] >> 7) + d128[0]);

  392.         accumulate_bit(acc, (buf0[i + 1] >> 7) + d128[1]);

  393.         accumulate_bit(acc, (buf0[i + 2] >> 7) + d128[2]);

  394.         accumulate_bit(acc, (buf0[i + 3] >> 7) + d128[3]);

  395.         accumulate_bit(acc, (buf0[i + 4] >> 7) + d128[4]);

  396.         accumulate_bit(acc, (buf0[i + 5] >> 7) + d128[5]);

  397.         accumulate_bit(acc, (buf0[i + 6] >> 7) + d128[6]);

  398.         accumulate_bit(acc, (buf0[i + 7] >> 7) + d128[7]);

  399. 

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

  401.     }

  402. }

  403. 

  404. #undef output_pixel

  405. #undef accumulate_bit

  406. 

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

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

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

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

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

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

  413.                                 int y) \

  414. { \

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

  416.                                   chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

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

  418. } \

  419.  \

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

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

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

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

  424. { \

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

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

  427. } \

  428.  \

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

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

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

  432.                                 int uvalpha, int y) \

  433. { \

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

  435.                                   abuf0, dest, dstW, uvalpha, \

  436.                                   y, fmt); \

  437. }

  438. 

  439. YUV2PACKEDWRAPPER(yuv2mono,, white, PIX_FMT_MONOWHITE)

  440. YUV2PACKEDWRAPPER(yuv2mono,, black, PIX_FMT_MONOBLACK)

  441. 

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

  443.     if (target == PIX_FMT_YUYV422) { \

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

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

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

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

  448.     } else { \

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

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

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

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

  453.     }

  454. 

  455. static av_always_inline void

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

  457.                      const int16_t **lumSrc, int lumFilterSize,

  458.                      const int16_t *chrFilter, const int16_t **chrUSrc,

  459.                      const int16_t **chrVSrc, int chrFilterSize,

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

  461.                      int y, enum PixelFormat target)

  462. {

  463.     int i;

  464. 

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

  466.         int j;

  467.         int Y1 = 1 << 18;

  468.         int Y2 = 1 << 18;

  469.         int U  = 1 << 18;

  470.         int V  = 1 << 18;

  471. 

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

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

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

  475.         }

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

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

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

  479.         }

  480.         Y1 >>= 19;

  481.         Y2 >>= 19;

  482.         U  >>= 19;

  483.         V  >>= 19;

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

  485.             Y1 = av_clip_uint8(Y1);

  486.             Y2 = av_clip_uint8(Y2);

  487.             U  = av_clip_uint8(U);

  488.             V  = av_clip_uint8(V);

  489.         }

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

  491.     }

  492. }

  493. 

  494. static av_always_inline void

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

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

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

  498.                      int yalpha, int uvalpha, int y,

  499.                      enum PixelFormat target)

  500. {

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

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

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

  504.     int  yalpha1 = 4095 - yalpha;

  505.     int uvalpha1 = 4095 - uvalpha;

  506.     int i;

  507. 

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

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

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

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

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

  513. 

  514.         Y1 = av_clip_uint8(Y1);

  515.         Y2 = av_clip_uint8(Y2);

  516.         U  = av_clip_uint8(U);

  517.         V  = av_clip_uint8(V);

  518. 

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

  520.     }

  521. }

  522. 

  523. static av_always_inline void

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

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

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

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

  528. {

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

  530.     int i;

  531. 

  532.     if (uvalpha < 2048) {

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

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

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

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

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

  538. 

  539.             Y1 = av_clip_uint8(Y1);

  540.             Y2 = av_clip_uint8(Y2);

  541.             U  = av_clip_uint8(U);

  542.             V  = av_clip_uint8(V);

  543. 

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

  545.         }

  546.     } else {

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

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

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

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

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

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

  553. 

  554.             Y1 = av_clip_uint8(Y1);

  555.             Y2 = av_clip_uint8(Y2);

  556.             U  = av_clip_uint8(U);

  557.             V  = av_clip_uint8(V);

  558. 

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

  560.         }

  561.     }

  562. }

  563. 

  564. #undef output_pixels

  565. 

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

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

  568. 

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

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

  571. #define output_pixel(pos, val) \

  572.     if (isBE(target)) { \

  573.         AV_WB16(pos, val); \

  574.     } else { \

  575.         AV_WL16(pos, val); \

  576.     }

  577. 

  578. static av_always_inline void

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

  580.                        const int32_t **lumSrc, int lumFilterSize,

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

  582.                        const int32_t **chrVSrc, int chrFilterSize,

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

  584.                        int y, enum PixelFormat target)

  585. {

  586.     int i;

  587. 

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

  589.         int j;

  590.         int Y1 = -0x40000000;

  591.         int Y2 = -0x40000000;

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

  593.         int V  = -128 << 23;

  594.         int R, G, B;

  595. 

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

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

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

  599.         }

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

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

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

  603.         }

  604. 

  605.         // 8bit: 12+15=27; 16-bit: 12+19=31

  606.         Y1 >>= 14; // 10

  607.         Y1 += 0x10000;

  608.         Y2 >>= 14;

  609.         Y2 += 0x10000;

  610.         U  >>= 14;

  611.         V  >>= 14;

  612. 

  613.         // 8bit: 27 -> 17bit, 16bit: 31 - 14 = 17bit

  614.         Y1 -= c->yuv2rgb_y_offset;

  615.         Y2 -= c->yuv2rgb_y_offset;

  616.         Y1 *= c->yuv2rgb_y_coeff;

  617.         Y2 *= c->yuv2rgb_y_coeff;

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

  619.         Y2 += 1 << 13;

  620.         // 8bit: 17 + 13bit = 30bit, 16bit: 17 + 13bit = 30bit

  621. 

  622.         R = V * c->yuv2rgb_v2r_coeff;

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

  624.         B =                            U * c->yuv2rgb_u2b_coeff;

  625. 

  626.         // 8bit: 30 - 22 = 8bit, 16bit: 30bit - 14 = 16bit

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

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

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

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

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

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

  633.         dest += 6;

  634.     }

  635. }

  636. 

  637. static av_always_inline void

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

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

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

  641.                        int yalpha, int uvalpha, int y,

  642.                        enum PixelFormat target)

  643. {

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

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

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

  647.     int  yalpha1 = 4095 - yalpha;

  648.     int uvalpha1 = 4095 - uvalpha;

  649.     int i;

  650. 

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

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

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

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

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

  656.         int R, G, B;

  657. 

  658.         Y1 -= c->yuv2rgb_y_offset;

  659.         Y2 -= c->yuv2rgb_y_offset;

  660.         Y1 *= c->yuv2rgb_y_coeff;

  661.         Y2 *= c->yuv2rgb_y_coeff;

  662.         Y1 += 1 << 13;

  663.         Y2 += 1 << 13;

  664. 

  665.         R = V * c->yuv2rgb_v2r_coeff;

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

  667.         B =                            U * c->yuv2rgb_u2b_coeff;

  668. 

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

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

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

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

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

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

  675.         dest += 6;

  676.     }

  677. }

  678. 

  679. static av_always_inline void

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

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

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

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

  684. {

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

  686.     int i;

  687. 

  688.     if (uvalpha < 2048) {

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

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

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

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

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

  694.             int R, G, B;

  695. 

  696.             Y1 -= c->yuv2rgb_y_offset;

  697.             Y2 -= c->yuv2rgb_y_offset;

  698.             Y1 *= c->yuv2rgb_y_coeff;

  699.             Y2 *= c->yuv2rgb_y_coeff;

  700.             Y1 += 1 << 13;

  701.             Y2 += 1 << 13;

  702. 

  703.             R = V * c->yuv2rgb_v2r_coeff;

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

  705.             B =                            U * c->yuv2rgb_u2b_coeff;

  706. 

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

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

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

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

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

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

  713.             dest += 6;

  714.         }

  715.     } else {

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

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

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

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

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

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

  722.             int R, G, B;

  723. 

  724.             Y1 -= c->yuv2rgb_y_offset;

  725.             Y2 -= c->yuv2rgb_y_offset;

  726.             Y1 *= c->yuv2rgb_y_coeff;

  727.             Y2 *= c->yuv2rgb_y_coeff;

  728.             Y1 += 1 << 13;

  729.             Y2 += 1 << 13;

  730. 

  731.             R = V * c->yuv2rgb_v2r_coeff;

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

  733.             B =                            U * c->yuv2rgb_u2b_coeff;

  734. 

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

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

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

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

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

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

  741.             dest += 6;

  742.         }

  743.     }

  744. }

  745. 

  746. #undef output_pixel

  747. #undef r_b

  748. #undef b_r

  749. 

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

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

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

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

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

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

  756.                         int y) \

  757. { \

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

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

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

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

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

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

  764.                           chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

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

  766. } \

  767.  \

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

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

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

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

  772. { \

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

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

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

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

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

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

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

  780. } \

  781.  \

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

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

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

  785.                         int uvalpha, int y) \

  786. { \

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

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

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

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

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

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

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

  794. }

  795. 

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

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

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

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

  800. 

  801. /*

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

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

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

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

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

  807.  * correct RGB values into the destination buffer.

  808.  */

  809. static av_always_inline void

  810. yuv2rgb_write(uint8_t *_dest, int i, unsigned Y1, unsigned Y2,

  811.               unsigned A1, unsigned A2,

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

  813.               enum PixelFormat target, int hasAlpha)

  814. {

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

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

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

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

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

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

  821. 

  822. #if CONFIG_SMALL

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

  824. 

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

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

  827. #else

  828.         if (hasAlpha) {

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

  830. 

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

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

  833.         } else {

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

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

  836.         }

  837. #endif

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

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

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

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

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

  843. 

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

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

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

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

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

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

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

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

  852. #undef r_b

  853. #undef b_r

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

  855.                target == PIX_FMT_RGB555 || target == PIX_FMT_BGR555 ||

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

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

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

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

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

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

  862. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  877.         } else {

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

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

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

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

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

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

  884.         }

  885. 

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

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

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

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

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

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

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

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

  894. 

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

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

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

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

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

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

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

  902.         } else {

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

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

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

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

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

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

  909.         }

  910. 

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

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

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

  914.         } else {

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

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

  917.         }

  918.     }

  919. }

  920. 

  921. static av_always_inline void

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

  923.                      const int16_t **lumSrc, int lumFilterSize,

  924.                      const int16_t *chrFilter, const int16_t **chrUSrc,

  925.                      const int16_t **chrVSrc, int chrFilterSize,

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

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

  928. {

  929.     int i;

  930. 

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

  932.         int j, A1, A2;

  933.         int Y1 = 1 << 18;

  934.         int Y2 = 1 << 18;

  935.         int U  = 1 << 18;

  936.         int V  = 1 << 18;

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

  938. 

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

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

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

  942.         }

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

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

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

  946.         }

  947.         Y1 >>= 19;

  948.         Y2 >>= 19;

  949.         U  >>= 19;

  950.         V  >>= 19;

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

  952.             Y1 = av_clip_uint8(Y1);

  953.             Y2 = av_clip_uint8(Y2);

  954.             U  = av_clip_uint8(U);

  955.             V  = av_clip_uint8(V);

  956.         }

  957.         if (hasAlpha) {

  958.             A1 = 1 << 18;

  959.             A2 = 1 << 18;

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

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

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

  963.             }

  964.             A1 >>= 19;

  965.             A2 >>= 19;

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

  967.                 A1 = av_clip_uint8(A1);

  968.                 A2 = av_clip_uint8(A2);

  969.             }

  970.         }

  971. 

  972.         /* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/

  973.         r =  c->table_rV[V];

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

  975.         b =  c->table_bU[U];

  976. 

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

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

  979.     }

  980. }

  981. 

  982. static av_always_inline void

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

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

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

  986.                      int yalpha, int uvalpha, int y,

  987.                      enum PixelFormat target, int hasAlpha)

  988. {

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

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

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

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

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

  994.     int  yalpha1 = 4095 - yalpha;

  995.     int uvalpha1 = 4095 - uvalpha;

  996.     int i;

  997. 

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

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

  1000.         int Y2 = (buf0[i * 2 + 1] * yalpha1  + buf1[i * 2 + 1] * yalpha)  >> 19;

  1001.         int U  = (ubuf0[i]        * uvalpha1 + ubuf1[i]        * uvalpha) >> 19;

  1002.         int V  = (vbuf0[i]        * uvalpha1 + vbuf1[i]        * uvalpha) >> 19;

  1003.         int A1, A2;

  1004.         const void *r =  c->table_rV[V],

  1005.                    *g = (c->table_gU[U] + c->table_gV[V]),

  1006.                    *b =  c->table_bU[U];

  1007. 

  1008.         Y1 = av_clip_uint8(Y1);

  1009.         Y2 = av_clip_uint8(Y2);

  1010.         U  = av_clip_uint8(U);

  1011.         V  = av_clip_uint8(V);

  1012. 

  1013.         if (hasAlpha) {

  1014.             A1 = (abuf0[i * 2    ] * yalpha1 + abuf1[i * 2    ] * yalpha) >> 19;

  1015.             A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 19;

  1016.             A1 = av_clip_uint8(A1);

  1017.             A2 = av_clip_uint8(A2);

  1018.         }

  1019. 

  1020.         yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1021.                       r, g, b, y, target, hasAlpha);

  1022.     }

  1023. }

  1024. 

  1025. static av_always_inline void

  1026. yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,

  1027.                      const int16_t *ubuf[2], const int16_t *vbuf[2],

  1028.                      const int16_t *abuf0, uint8_t *dest, int dstW,

  1029.                      int uvalpha, int y, enum PixelFormat target,

  1030.                      int hasAlpha)

  1031. {

  1032.     const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];

  1033.     int i;

  1034. 

  1035.     if (uvalpha < 2048) {

  1036.         for (i = 0; i < (dstW >> 1); i++) {

  1037.             int Y1 = buf0[i * 2]     >> 7;

  1038.             int Y2 = buf0[i * 2 + 1] >> 7;

  1039.             int U  = ubuf0[i]        >> 7;

  1040.             int V  = vbuf0[i]        >> 7;

  1041.             int A1, A2;

  1042.             const void *r =  c->table_rV[V],

  1043.                        *g = (c->table_gU[U] + c->table_gV[V]),

  1044.                        *b =  c->table_bU[U];

  1045. 

  1046.             Y1 = av_clip_uint8(Y1);

  1047.             Y2 = av_clip_uint8(Y2);

  1048.             U  = av_clip_uint8(U);

  1049.             V  = av_clip_uint8(V);

  1050. 

  1051.             if (hasAlpha) {

  1052.                 A1 = abuf0[i * 2    ] >> 7;

  1053.                 A2 = abuf0[i * 2 + 1] >> 7;

  1054.                 A1 = av_clip_uint8(A1);

  1055.                 A2 = av_clip_uint8(A2);

  1056.             }

  1057. 

  1058.             yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1059.                           r, g, b, y, target, hasAlpha);

  1060.         }

  1061.     } else {

  1062.         const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];

  1063.         for (i = 0; i < (dstW >> 1); i++) {

  1064.             int Y1 =  buf0[i * 2]          >> 7;

  1065.             int Y2 =  buf0[i * 2 + 1]      >> 7;

  1066.             int U  = (ubuf0[i] + ubuf1[i]) >> 8;

  1067.             int V  = (vbuf0[i] + vbuf1[i]) >> 8;

  1068.             int A1, A2;

  1069.             const void *r =  c->table_rV[V],

  1070.                        *g = (c->table_gU[U] + c->table_gV[V]),

  1071.                        *b =  c->table_bU[U];

  1072. 

  1073.             Y1 = av_clip_uint8(Y1);

  1074.             Y2 = av_clip_uint8(Y2);

  1075.             U  = av_clip_uint8(U);

  1076.             V  = av_clip_uint8(V);

  1077. 

  1078.             if (hasAlpha) {

  1079.                 A1 = abuf0[i * 2    ] >> 7;

  1080.                 A2 = abuf0[i * 2 + 1] >> 7;

  1081.                 A1 = av_clip_uint8(A1);

  1082.                 A2 = av_clip_uint8(A2);

  1083.             }

  1084. 

  1085.             yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1086.                           r, g, b, y, target, hasAlpha);

  1087.         }

  1088.     }

  1089. }

  1090. 

  1091. #define YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \

  1092. static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \

  1093.                                 const int16_t **lumSrc, int lumFilterSize, \

  1094.                                 const int16_t *chrFilter, const int16_t **chrUSrc, \

  1095.                                 const int16_t **chrVSrc, int chrFilterSize, \

  1096.                                 const int16_t **alpSrc, uint8_t *dest, int dstW, \

  1097.                                 int y) \

  1098. { \

  1099.     name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \

  1100.                                   chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

  1101.                                   alpSrc, dest, dstW, y, fmt, hasAlpha); \

  1102. }

  1103. #define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \

  1104. YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \

  1105. static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \

  1106.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  1107.                                 const int16_t *abuf[2], uint8_t *dest, int dstW, \

  1108.                                 int yalpha, int uvalpha, int y) \

  1109. { \

  1110.     name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \

  1111.                                   dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha); \

  1112. } \

  1113.  \

  1114. static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \

  1115.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  1116.                                 const int16_t *abuf0, uint8_t *dest, int dstW, \

  1117.                                 int uvalpha, int y) \

  1118. { \

  1119.     name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \

  1120.                                   dstW, uvalpha, y, fmt, hasAlpha); \

  1121. }

  1122. 

  1123. #if CONFIG_SMALL

  1124. YUV2RGBWRAPPER(yuv2rgb,,  32_1,  PIX_FMT_RGB32_1,   CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1125. YUV2RGBWRAPPER(yuv2rgb,,  32,    PIX_FMT_RGB32,     CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1126. #else

  1127. #if CONFIG_SWSCALE_ALPHA

  1128. YUV2RGBWRAPPER(yuv2rgb,, a32_1,  PIX_FMT_RGB32_1,   1)

  1129. YUV2RGBWRAPPER(yuv2rgb,, a32,    PIX_FMT_RGB32,     1)

  1130. #endif

  1131. YUV2RGBWRAPPER(yuv2rgb,, x32_1,  PIX_FMT_RGB32_1,   0)

  1132. YUV2RGBWRAPPER(yuv2rgb,, x32,    PIX_FMT_RGB32,     0)

  1133. #endif

  1134. YUV2RGBWRAPPER(yuv2, rgb, rgb24, PIX_FMT_RGB24,   0)

  1135. YUV2RGBWRAPPER(yuv2, rgb, bgr24, PIX_FMT_BGR24,   0)

  1136. YUV2RGBWRAPPER(yuv2rgb,,  16,    PIX_FMT_RGB565,    0)

  1137. YUV2RGBWRAPPER(yuv2rgb,,  15,    PIX_FMT_RGB555,    0)

  1138. YUV2RGBWRAPPER(yuv2rgb,,  12,    PIX_FMT_RGB444,    0)

  1139. YUV2RGBWRAPPER(yuv2rgb,,   8,    PIX_FMT_RGB8,      0)

  1140. YUV2RGBWRAPPER(yuv2rgb,,   4,    PIX_FMT_RGB4,      0)

  1141. YUV2RGBWRAPPER(yuv2rgb,,   4b,   PIX_FMT_RGB4_BYTE, 0)

  1142. 

  1143. static av_always_inline void

  1144. yuv2rgb_full_X_c_template(SwsContext *c, const int16_t *lumFilter,

  1145.                           const int16_t **lumSrc, int lumFilterSize,

  1146.                           const int16_t *chrFilter, const int16_t **chrUSrc,

  1147.                           const int16_t **chrVSrc, int chrFilterSize,

  1148.                           const int16_t **alpSrc, uint8_t *dest,

  1149.                           int dstW, int y, enum PixelFormat target, int hasAlpha)

  1150. {

  1151.     int i;

  1152.     int step = (target == PIX_FMT_RGB24 || target == PIX_FMT_BGR24) ? 3 : 4;

  1153. 

  1154.     for (i = 0; i < dstW; i++) {

  1155.         int j;

  1156.         int Y = 0;

  1157.         int U = -128 << 19;

  1158.         int V = -128 << 19;

  1159.         int R, G, B, A;

  1160. 

  1161.         for (j = 0; j < lumFilterSize; j++) {

  1162.             Y += lumSrc[j][i] * lumFilter[j];

  1163.         }

  1164.         for (j = 0; j < chrFilterSize; j++) {

  1165.             U += chrUSrc[j][i] * chrFilter[j];

  1166.             V += chrVSrc[j][i] * chrFilter[j];

  1167.         }

  1168.         Y >>= 10;

  1169.         U >>= 10;

  1170.         V >>= 10;

  1171.         if (hasAlpha) {

  1172.             A = 1 << 21;

  1173.             for (j = 0; j < lumFilterSize; j++) {

  1174.                 A += alpSrc[j][i] * lumFilter[j];

  1175.             }

  1176.             A >>= 19;

  1177.             if (A & 0x100)

  1178.                 A = av_clip_uint8(A);

  1179.         }

  1180.         Y -= c->yuv2rgb_y_offset;

  1181.         Y *= c->yuv2rgb_y_coeff;

  1182.         Y += 1 << 21;

  1183.         R = Y + V*c->yuv2rgb_v2r_coeff;

  1184.         G = Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;

  1185.         B = Y +                          U*c->yuv2rgb_u2b_coeff;

  1186.         if ((R | G | B) & 0xC0000000) {

  1187.             R = av_clip_uintp2(R, 30);

  1188.             G = av_clip_uintp2(G, 30);

  1189.             B = av_clip_uintp2(B, 30);

  1190.         }

  1191. 

  1192.         switch(target) {

  1193.         case PIX_FMT_ARGB:

  1194.             dest[0] = hasAlpha ? A : 255;

  1195.             dest[1] = R >> 22;

  1196.             dest[2] = G >> 22;

  1197.             dest[3] = B >> 22;

  1198.             break;

  1199.         case PIX_FMT_RGB24:

  1200.             dest[0] = R >> 22;

  1201.             dest[1] = G >> 22;

  1202.             dest[2] = B >> 22;

  1203.             break;

  1204.         case PIX_FMT_RGBA:

  1205.             dest[0] = R >> 22;

  1206.             dest[1] = G >> 22;

  1207.             dest[2] = B >> 22;

  1208.             dest[3] = hasAlpha ? A : 255;

  1209.             break;

  1210.         case PIX_FMT_ABGR:

  1211.             dest[0] = hasAlpha ? A : 255;

  1212.             dest[1] = B >> 22;

  1213.             dest[2] = G >> 22;

  1214.             dest[3] = R >> 22;

  1215.             dest += 4;

  1216.             break;

  1217.         case PIX_FMT_BGR24:

  1218.             dest[0] = B >> 22;

  1219.             dest[1] = G >> 22;

  1220.             dest[2] = R >> 22;

  1221.             break;

  1222.         case PIX_FMT_BGRA:

  1223.             dest[0] = B >> 22;

  1224.             dest[1] = G >> 22;

  1225.             dest[2] = R >> 22;

  1226.             dest[3] = hasAlpha ? A : 255;

  1227.             break;

  1228.         }

  1229.         dest += step;

  1230.     }

  1231. }

  1232. 

  1233. #if CONFIG_SMALL

  1234. YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, PIX_FMT_BGRA,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1235. YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, PIX_FMT_ABGR,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1236. YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, PIX_FMT_RGBA,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1237. YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, PIX_FMT_ARGB,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1238. #else

  1239. #if CONFIG_SWSCALE_ALPHA

  1240. YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, PIX_FMT_BGRA,  1)

  1241. YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, PIX_FMT_ABGR,  1)

  1242. YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, PIX_FMT_RGBA,  1)

  1243. YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, PIX_FMT_ARGB,  1)

  1244. #endif

  1245. YUV2RGBWRAPPERX(yuv2, rgb_full, bgrx32_full, PIX_FMT_BGRA,  0)

  1246. YUV2RGBWRAPPERX(yuv2, rgb_full, xbgr32_full, PIX_FMT_ABGR,  0)

  1247. YUV2RGBWRAPPERX(yuv2, rgb_full, rgbx32_full, PIX_FMT_RGBA,  0)

  1248. YUV2RGBWRAPPERX(yuv2, rgb_full, xrgb32_full, PIX_FMT_ARGB,  0)

  1249. #endif

  1250. YUV2RGBWRAPPERX(yuv2, rgb_full, bgr24_full,  PIX_FMT_BGR24, 0)

  1251. YUV2RGBWRAPPERX(yuv2, rgb_full, rgb24_full,  PIX_FMT_RGB24, 0)

  1252. 

  1253. void ff_sws_init_output_funcs(SwsContext *c,

  1254.                               yuv2planar1_fn *yuv2plane1,

  1255.                               yuv2planarX_fn *yuv2planeX,

  1256.                               yuv2interleavedX_fn *yuv2nv12cX,

  1257.                               yuv2packed1_fn *yuv2packed1,

  1258.                               yuv2packed2_fn *yuv2packed2,

  1259.                               yuv2packedX_fn *yuv2packedX)

  1260. {

  1261.     enum PixelFormat dstFormat = c->dstFormat;

  1262. 

  1263.     if (is16BPS(dstFormat)) {

  1264.         *yuv2planeX = isBE(dstFormat) ? yuv2planeX_16BE_c  : yuv2planeX_16LE_c;

  1265.         *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_16BE_c  : yuv2plane1_16LE_c;

  1266.     } else if (is9_OR_10BPS(dstFormat)) {

  1267.         if (av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1 == 8) {

  1268.             *yuv2planeX = isBE(dstFormat) ? yuv2planeX_9BE_c  : yuv2planeX_9LE_c;

  1269.             *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_9BE_c  : yuv2plane1_9LE_c;

  1270.         } else {

  1271.             *yuv2planeX = isBE(dstFormat) ? yuv2planeX_10BE_c  : yuv2planeX_10LE_c;

  1272.             *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_10BE_c  : yuv2plane1_10LE_c;

  1273.         }

  1274.     } else {

  1275.         *yuv2plane1 = yuv2plane1_8_c;

  1276.         *yuv2planeX = yuv2planeX_8_c;

  1277.         if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)

  1278.             *yuv2nv12cX = yuv2nv12cX_c;

  1279.     }

  1280. 

  1281.     if(c->flags & SWS_FULL_CHR_H_INT) {

  1282.         switch (dstFormat) {

  1283.             case PIX_FMT_RGBA:

  1284. #if CONFIG_SMALL

  1285.                 *yuv2packedX = yuv2rgba32_full_X_c;

  1286. #else

  1287. #if CONFIG_SWSCALE_ALPHA

  1288.                 if (c->alpPixBuf) {

  1289.                     *yuv2packedX = yuv2rgba32_full_X_c;

  1290.                 } else

  1291. #endif /* CONFIG_SWSCALE_ALPHA */

  1292.                 {

  1293.                     *yuv2packedX = yuv2rgbx32_full_X_c;

  1294.                 }

  1295. #endif /* !CONFIG_SMALL */

  1296.                 break;

  1297.             case PIX_FMT_ARGB:

  1298. #if CONFIG_SMALL

  1299.                 *yuv2packedX = yuv2argb32_full_X_c;

  1300. #else

  1301. #if CONFIG_SWSCALE_ALPHA

  1302.                 if (c->alpPixBuf) {

  1303.                     *yuv2packedX = yuv2argb32_full_X_c;

  1304.                 } else

  1305. #endif /* CONFIG_SWSCALE_ALPHA */

  1306.                 {

  1307.                     *yuv2packedX = yuv2xrgb32_full_X_c;

  1308.                 }

  1309. #endif /* !CONFIG_SMALL */

  1310.                 break;

  1311.             case PIX_FMT_BGRA:

  1312. #if CONFIG_SMALL

  1313.                 *yuv2packedX = yuv2bgra32_full_X_c;

  1314. #else

  1315. #if CONFIG_SWSCALE_ALPHA

  1316.                 if (c->alpPixBuf) {

  1317.                     *yuv2packedX = yuv2bgra32_full_X_c;

  1318.                 } else

  1319. #endif /* CONFIG_SWSCALE_ALPHA */

  1320.                 {

  1321.                     *yuv2packedX = yuv2bgrx32_full_X_c;

  1322.                 }

  1323. #endif /* !CONFIG_SMALL */

  1324.                 break;

  1325.             case PIX_FMT_ABGR:

  1326. #if CONFIG_SMALL

  1327.                 *yuv2packedX = yuv2abgr32_full_X_c;

  1328. #else

  1329. #if CONFIG_SWSCALE_ALPHA

  1330.                 if (c->alpPixBuf) {

  1331.                     *yuv2packedX = yuv2abgr32_full_X_c;

  1332.                 } else

  1333. #endif /* CONFIG_SWSCALE_ALPHA */

  1334.                 {

  1335.                     *yuv2packedX = yuv2xbgr32_full_X_c;

  1336.                 }

  1337. #endif /* !CONFIG_SMALL */

  1338.                 break;

  1339.             case PIX_FMT_RGB24:

  1340.             *yuv2packedX = yuv2rgb24_full_X_c;

  1341.             break;

  1342.         case PIX_FMT_BGR24:

  1343.             *yuv2packedX = yuv2bgr24_full_X_c;

  1344.             break;

  1345.         }

  1346.     } else {

  1347.         switch (dstFormat) {

  1348.         case PIX_FMT_RGB48LE:

  1349.             *yuv2packed1 = yuv2rgb48le_1_c;

  1350.             *yuv2packed2 = yuv2rgb48le_2_c;

  1351.             *yuv2packedX = yuv2rgb48le_X_c;

  1352.             break;

  1353.         case PIX_FMT_RGB48BE:

  1354.             *yuv2packed1 = yuv2rgb48be_1_c;

  1355.             *yuv2packed2 = yuv2rgb48be_2_c;

  1356.             *yuv2packedX = yuv2rgb48be_X_c;

  1357.             break;

  1358.         case PIX_FMT_BGR48LE:

  1359.             *yuv2packed1 = yuv2bgr48le_1_c;

  1360.             *yuv2packed2 = yuv2bgr48le_2_c;

  1361.             *yuv2packedX = yuv2bgr48le_X_c;

  1362.             break;

  1363.         case PIX_FMT_BGR48BE:

  1364.             *yuv2packed1 = yuv2bgr48be_1_c;

  1365.             *yuv2packed2 = yuv2bgr48be_2_c;

  1366.             *yuv2packedX = yuv2bgr48be_X_c;

  1367.             break;

  1368.         case PIX_FMT_RGB32:

  1369.         case PIX_FMT_BGR32:

  1370. #if CONFIG_SMALL

  1371.             *yuv2packed1 = yuv2rgb32_1_c;

  1372.             *yuv2packed2 = yuv2rgb32_2_c;

  1373.             *yuv2packedX = yuv2rgb32_X_c;

  1374. #else

  1375. #if CONFIG_SWSCALE_ALPHA

  1376.                 if (c->alpPixBuf) {

  1377.                     *yuv2packed1 = yuv2rgba32_1_c;

  1378.                     *yuv2packed2 = yuv2rgba32_2_c;

  1379.                     *yuv2packedX = yuv2rgba32_X_c;

  1380.                 } else

  1381. #endif /* CONFIG_SWSCALE_ALPHA */

  1382.                 {

  1383.                     *yuv2packed1 = yuv2rgbx32_1_c;

  1384.                     *yuv2packed2 = yuv2rgbx32_2_c;

  1385.                     *yuv2packedX = yuv2rgbx32_X_c;

  1386.                 }

  1387. #endif /* !CONFIG_SMALL */

  1388.             break;

  1389.         case PIX_FMT_RGB32_1:

  1390.         case PIX_FMT_BGR32_1:

  1391. #if CONFIG_SMALL

  1392.                 *yuv2packed1 = yuv2rgb32_1_1_c;

  1393.                 *yuv2packed2 = yuv2rgb32_1_2_c;

  1394.                 *yuv2packedX = yuv2rgb32_1_X_c;

  1395. #else

  1396. #if CONFIG_SWSCALE_ALPHA

  1397.                 if (c->alpPixBuf) {

  1398.                     *yuv2packed1 = yuv2rgba32_1_1_c;

  1399.                     *yuv2packed2 = yuv2rgba32_1_2_c;

  1400.                     *yuv2packedX = yuv2rgba32_1_X_c;

  1401.                 } else

  1402. #endif /* CONFIG_SWSCALE_ALPHA */

  1403.                 {

  1404.                     *yuv2packed1 = yuv2rgbx32_1_1_c;

  1405.                     *yuv2packed2 = yuv2rgbx32_1_2_c;

  1406.                     *yuv2packedX = yuv2rgbx32_1_X_c;

  1407.                 }

  1408. #endif /* !CONFIG_SMALL */

  1409.                 break;

  1410.         case PIX_FMT_RGB24:

  1411.             *yuv2packed1 = yuv2rgb24_1_c;

  1412.             *yuv2packed2 = yuv2rgb24_2_c;

  1413.             *yuv2packedX = yuv2rgb24_X_c;

  1414.             break;

  1415.         case PIX_FMT_BGR24:

  1416.             *yuv2packed1 = yuv2bgr24_1_c;

  1417.             *yuv2packed2 = yuv2bgr24_2_c;

  1418.             *yuv2packedX = yuv2bgr24_X_c;

  1419.             break;

  1420.         case PIX_FMT_RGB565LE:

  1421.         case PIX_FMT_RGB565BE:

  1422.         case PIX_FMT_BGR565LE:

  1423.         case PIX_FMT_BGR565BE:

  1424.             *yuv2packed1 = yuv2rgb16_1_c;

  1425.             *yuv2packed2 = yuv2rgb16_2_c;

  1426.             *yuv2packedX = yuv2rgb16_X_c;

  1427.             break;

  1428.         case PIX_FMT_RGB555LE:

  1429.         case PIX_FMT_RGB555BE:

  1430.         case PIX_FMT_BGR555LE:

  1431.         case PIX_FMT_BGR555BE:

  1432.             *yuv2packed1 = yuv2rgb15_1_c;

  1433.             *yuv2packed2 = yuv2rgb15_2_c;

  1434.             *yuv2packedX = yuv2rgb15_X_c;

  1435.             break;

  1436.         case PIX_FMT_RGB444LE:

  1437.         case PIX_FMT_RGB444BE:

  1438.         case PIX_FMT_BGR444LE:

  1439.         case PIX_FMT_BGR444BE:

  1440.             *yuv2packed1 = yuv2rgb12_1_c;

  1441.             *yuv2packed2 = yuv2rgb12_2_c;

  1442.             *yuv2packedX = yuv2rgb12_X_c;

  1443.             break;

  1444.         case PIX_FMT_RGB8:

  1445.         case PIX_FMT_BGR8:

  1446.             *yuv2packed1 = yuv2rgb8_1_c;

  1447.             *yuv2packed2 = yuv2rgb8_2_c;

  1448.             *yuv2packedX = yuv2rgb8_X_c;

  1449.             break;

  1450.         case PIX_FMT_RGB4:

  1451.         case PIX_FMT_BGR4:

  1452.             *yuv2packed1 = yuv2rgb4_1_c;

  1453.             *yuv2packed2 = yuv2rgb4_2_c;

  1454.             *yuv2packedX = yuv2rgb4_X_c;

  1455.             break;

  1456.         case PIX_FMT_RGB4_BYTE:

  1457.         case PIX_FMT_BGR4_BYTE:

  1458.             *yuv2packed1 = yuv2rgb4b_1_c;

  1459.             *yuv2packed2 = yuv2rgb4b_2_c;

  1460.             *yuv2packedX = yuv2rgb4b_X_c;

  1461.             break;

  1462.         }

  1463.     }

  1464.     switch (dstFormat) {

  1465.     case PIX_FMT_MONOWHITE:

  1466.         *yuv2packed1 = yuv2monowhite_1_c;

  1467.         *yuv2packed2 = yuv2monowhite_2_c;

  1468.         *yuv2packedX = yuv2monowhite_X_c;

  1469.         break;

  1470.     case PIX_FMT_MONOBLACK:

  1471.         *yuv2packed1 = yuv2monoblack_1_c;

  1472.         *yuv2packed2 = yuv2monoblack_2_c;

  1473.         *yuv2packedX = yuv2monoblack_X_c;

  1474.         break;

  1475.     case PIX_FMT_YUYV422:

  1476.         *yuv2packed1 = yuv2yuyv422_1_c;

  1477.         *yuv2packed2 = yuv2yuyv422_2_c;

  1478.         *yuv2packedX = yuv2yuyv422_X_c;

  1479.         break;

  1480.     case PIX_FMT_UYVY422:

  1481.         *yuv2packed1 = yuv2uyvy422_1_c;

  1482.         *yuv2packed2 = yuv2uyvy422_2_c;

  1483.         *yuv2packedX = yuv2uyvy422_X_c;

  1484.         break;

  1485.     }

  1486. }