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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 accumulate_bit(acc, val) \

  302.     acc <<= 1; \

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

  304. #define output_pixel(pos, acc) \

  305.     if (target == PIX_FMT_MONOBLACK) { \

  306.         pos = acc; \

  307.     } else { \

  308.         pos = ~acc; \

  309.     }

  310. 

  311. static av_always_inline void

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

  313.                       const int16_t **lumSrc, int lumFilterSize,

  314.                       const int16_t *chrFilter, const int16_t **chrUSrc,

  315.                       const int16_t **chrVSrc, int chrFilterSize,

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

  317.                       int y, enum PixelFormat target)

  318. {

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

  320.     int i;

  321.     unsigned acc = 0;

  322. 

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

  324.         int j;

  325.         int Y1 = 1 << 18;

  326.         int Y2 = 1 << 18;

  327. 

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

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

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

  331.         }

  332.         Y1 >>= 19;

  333.         Y2 >>= 19;

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

  335.             Y1 = av_clip_uint8(Y1);

  336.             Y2 = av_clip_uint8(Y2);

  337.         }

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

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

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

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

  342.         }

  343.     }

  344. }

  345. 

  346. static av_always_inline void

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

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

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

  350.                       int yalpha, int uvalpha, int y,

  351.                       enum PixelFormat target)

  352. {

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

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

  355.     int  yalpha1 = 4095 - yalpha;

  356.     int i;

  357. 

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

  359.         int Y, acc = 0;

  360. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  377. 

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

  379.     }

  380. }

  381. 

  382. static av_always_inline void

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

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

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

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

  387. {

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

  389.     int i;

  390. 

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

  392.         int acc = 0;

  393. 

  394.         accumulate_bit(acc, ((buf0[i + 0] + 64) >> 7) + d128[0]);

  395.         accumulate_bit(acc, ((buf0[i + 1] + 64) >> 7) + d128[1]);

  396.         accumulate_bit(acc, ((buf0[i + 2] + 64) >> 7) + d128[2]);

  397.         accumulate_bit(acc, ((buf0[i + 3] + 64) >> 7) + d128[3]);

  398.         accumulate_bit(acc, ((buf0[i + 4] + 64) >> 7) + d128[4]);

  399.         accumulate_bit(acc, ((buf0[i + 5] + 64) >> 7) + d128[5]);

  400.         accumulate_bit(acc, ((buf0[i + 6] + 64) >> 7) + d128[6]);

  401.         accumulate_bit(acc, ((buf0[i + 7] + 64) >> 7) + d128[7]);

  402. 

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

  404.     }

  405. }

  406. 

  407. #undef output_pixel

  408. #undef accumulate_bit

  409. 

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

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

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

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

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

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

  416.                                 int y) \

  417. { \

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

  419.                                   chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

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

  421. } \

  422.  \

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

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

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

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

  427. { \

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

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

  430. } \

  431.  \

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

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

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

  435.                                 int uvalpha, int y) \

  436. { \

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

  438.                                   abuf0, dest, dstW, uvalpha, \

  439.                                   y, fmt); \

  440. }

  441. 

  442. YUV2PACKEDWRAPPER(yuv2mono,, white, PIX_FMT_MONOWHITE)

  443. YUV2PACKEDWRAPPER(yuv2mono,, black, PIX_FMT_MONOBLACK)

  444. 

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

  446.     if (target == PIX_FMT_YUYV422) { \

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

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

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

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

  451.     } else { \

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

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

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

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

  456.     }

  457. 

  458. static av_always_inline void

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

  460.                      const int16_t **lumSrc, int lumFilterSize,

  461.                      const int16_t *chrFilter, const int16_t **chrUSrc,

  462.                      const int16_t **chrVSrc, int chrFilterSize,

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

  464.                      int y, enum PixelFormat target)

  465. {

  466.     int i;

  467. 

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

  469.         int j;

  470.         int Y1 = 1 << 18;

  471.         int Y2 = 1 << 18;

  472.         int U  = 1 << 18;

  473.         int V  = 1 << 18;

  474. 

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

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

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

  478.         }

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

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

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

  482.         }

  483.         Y1 >>= 19;

  484.         Y2 >>= 19;

  485.         U  >>= 19;

  486.         V  >>= 19;

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

  488.             Y1 = av_clip_uint8(Y1);

  489.             Y2 = av_clip_uint8(Y2);

  490.             U  = av_clip_uint8(U);

  491.             V  = av_clip_uint8(V);

  492.         }

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

  494.     }

  495. }

  496. 

  497. static av_always_inline void

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

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

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

  501.                      int yalpha, int uvalpha, int y,

  502.                      enum PixelFormat target)

  503. {

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

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

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

  507.     int  yalpha1 = 4095 - yalpha;

  508.     int uvalpha1 = 4095 - uvalpha;

  509.     int i;

  510. 

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

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

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

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

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

  516. 

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

  518.             Y1 = av_clip_uint8(Y1);

  519.             Y2 = av_clip_uint8(Y2);

  520.             U  = av_clip_uint8(U);

  521.             V  = av_clip_uint8(V);

  522.         }

  523. 

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

  525.     }

  526. }

  527. 

  528. static av_always_inline void

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

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

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

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

  533. {

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

  535.     int i;

  536. 

  537.     if (uvalpha < 2048) {

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

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

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

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

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

  543. 

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

  545.                 Y1 = av_clip_uint8(Y1);

  546.                 Y2 = av_clip_uint8(Y2);

  547.                 U  = av_clip_uint8(U);

  548.                 V  = av_clip_uint8(V);

  549.             }

  550. 

  551.             Y1 = av_clip_uint8(Y1);

  552.             Y2 = av_clip_uint8(Y2);

  553.             U  = av_clip_uint8(U);

  554.             V  = av_clip_uint8(V);

  555. 

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

  557.         }

  558.     } else {

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

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

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

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

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

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

  565. 

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

  567.                 Y1 = av_clip_uint8(Y1);

  568.                 Y2 = av_clip_uint8(Y2);

  569.                 U  = av_clip_uint8(U);

  570.                 V  = av_clip_uint8(V);

  571.             }

  572. 

  573.             Y1 = av_clip_uint8(Y1);

  574.             Y2 = av_clip_uint8(Y2);

  575.             U  = av_clip_uint8(U);

  576.             V  = av_clip_uint8(V);

  577. 

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

  579.         }

  580.     }

  581. }

  582. 

  583. #undef output_pixels

  584. 

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

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

  587. 

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

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

  590. #define output_pixel(pos, val) \

  591.     if (isBE(target)) { \

  592.         AV_WB16(pos, val); \

  593.     } else { \

  594.         AV_WL16(pos, val); \

  595.     }

  596. 

  597. static av_always_inline void

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

  599.                        const int32_t **lumSrc, int lumFilterSize,

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

  601.                        const int32_t **chrVSrc, int chrFilterSize,

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

  603.                        int y, enum PixelFormat target)

  604. {

  605.     int i;

  606. 

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

  608.         int j;

  609.         int Y1 = -0x40000000;

  610.         int Y2 = -0x40000000;

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

  612.         int V  = -128 << 23;

  613.         int R, G, B;

  614. 

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

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

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

  618.         }

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

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

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

  622.         }

  623. 

  624.         // 8bit: 12+15=27; 16-bit: 12+19=31

  625.         Y1 >>= 14; // 10

  626.         Y1 += 0x10000;

  627.         Y2 >>= 14;

  628.         Y2 += 0x10000;

  629.         U  >>= 14;

  630.         V  >>= 14;

  631. 

  632.         // 8bit: 27 -> 17bit, 16bit: 31 - 14 = 17bit

  633.         Y1 -= c->yuv2rgb_y_offset;

  634.         Y2 -= c->yuv2rgb_y_offset;

  635.         Y1 *= c->yuv2rgb_y_coeff;

  636.         Y2 *= c->yuv2rgb_y_coeff;

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

  638.         Y2 += 1 << 13;

  639.         // 8bit: 17 + 13bit = 30bit, 16bit: 17 + 13bit = 30bit

  640. 

  641.         R = V * c->yuv2rgb_v2r_coeff;

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

  643.         B =                            U * c->yuv2rgb_u2b_coeff;

  644. 

  645.         // 8bit: 30 - 22 = 8bit, 16bit: 30bit - 14 = 16bit

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

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

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

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

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

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

  652.         dest += 6;

  653.     }

  654. }

  655. 

  656. static av_always_inline void

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

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

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

  660.                        int yalpha, int uvalpha, int y,

  661.                        enum PixelFormat target)

  662. {

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

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

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

  666.     int  yalpha1 = 4095 - yalpha;

  667.     int uvalpha1 = 4095 - uvalpha;

  668.     int i;

  669. 

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

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

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

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

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

  675.         int R, G, B;

  676. 

  677.         Y1 -= c->yuv2rgb_y_offset;

  678.         Y2 -= c->yuv2rgb_y_offset;

  679.         Y1 *= c->yuv2rgb_y_coeff;

  680.         Y2 *= c->yuv2rgb_y_coeff;

  681.         Y1 += 1 << 13;

  682.         Y2 += 1 << 13;

  683. 

  684.         R = V * c->yuv2rgb_v2r_coeff;

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

  686.         B =                            U * c->yuv2rgb_u2b_coeff;

  687. 

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

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

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

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

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

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

  694.         dest += 6;

  695.     }

  696. }

  697. 

  698. static av_always_inline void

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

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

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

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

  703. {

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

  705.     int i;

  706. 

  707.     if (uvalpha < 2048) {

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

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

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

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

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

  713.             int R, G, B;

  714. 

  715.             Y1 -= c->yuv2rgb_y_offset;

  716.             Y2 -= c->yuv2rgb_y_offset;

  717.             Y1 *= c->yuv2rgb_y_coeff;

  718.             Y2 *= c->yuv2rgb_y_coeff;

  719.             Y1 += 1 << 13;

  720.             Y2 += 1 << 13;

  721. 

  722.             R = V * c->yuv2rgb_v2r_coeff;

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

  724.             B =                            U * c->yuv2rgb_u2b_coeff;

  725. 

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

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

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

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

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

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

  732.             dest += 6;

  733.         }

  734.     } else {

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

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

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

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

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

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

  741.             int R, G, B;

  742. 

  743.             Y1 -= c->yuv2rgb_y_offset;

  744.             Y2 -= c->yuv2rgb_y_offset;

  745.             Y1 *= c->yuv2rgb_y_coeff;

  746.             Y2 *= c->yuv2rgb_y_coeff;

  747.             Y1 += 1 << 13;

  748.             Y2 += 1 << 13;

  749. 

  750.             R = V * c->yuv2rgb_v2r_coeff;

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

  752.             B =                            U * c->yuv2rgb_u2b_coeff;

  753. 

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

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

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

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

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

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

  760.             dest += 6;

  761.         }

  762.     }

  763. }

  764. 

  765. #undef output_pixel

  766. #undef r_b

  767. #undef b_r

  768. 

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

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

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

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

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

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

  775.                         int y) \

  776. { \

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

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

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

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

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

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

  783.                           chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

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

  785. } \

  786.  \

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

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

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

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

  791. { \

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

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

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

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

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

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

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

  799. } \

  800.  \

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

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

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

  804.                         int uvalpha, int y) \

  805. { \

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

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

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

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

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

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

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

  813. }

  814. 

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

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

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

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

  819. 

  820. /*

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

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

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

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

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

  826.  * correct RGB values into the destination buffer.

  827.  */

  828. static av_always_inline void

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

  830.               unsigned A1, unsigned A2,

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

  832.               enum PixelFormat target, int hasAlpha)

  833. {

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

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

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

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

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

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

  840. 

  841. #if CONFIG_SMALL

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

  843. 

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

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

  846. #else

  847.         if (hasAlpha) {

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

  849. 

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

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

  852.         } else {

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

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

  855.         }

  856. #endif

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

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

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

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

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

  862. 

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

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

  865. 

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

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

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

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

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

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

  872. #undef r_b

  873. #undef b_r

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

  875.                target == PIX_FMT_RGB555 || target == PIX_FMT_BGR555 ||

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

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

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

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

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

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

  882. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  897.         } else {

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

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

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

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

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

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

  904.         }

  905. 

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

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

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

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

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

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

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

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

  914. 

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

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

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

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

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

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

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

  922.         } else {

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

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

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

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

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

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

  929.         }

  930. 

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

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

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

  934.         } else {

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

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

  937.         }

  938.     }

  939. }

  940. 

  941. static av_always_inline void

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

  943.                      const int16_t **lumSrc, int lumFilterSize,

  944.                      const int16_t *chrFilter, const int16_t **chrUSrc,

  945.                      const int16_t **chrVSrc, int chrFilterSize,

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

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

  948. {

  949.     int i;

  950. 

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

  952.         int j, A1, A2;

  953.         int Y1 = 1 << 18;

  954.         int Y2 = 1 << 18;

  955.         int U  = 1 << 18;

  956.         int V  = 1 << 18;

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

  958. 

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

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

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

  962.         }

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

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

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

  966.         }

  967.         Y1 >>= 19;

  968.         Y2 >>= 19;

  969.         U  >>= 19;

  970.         V  >>= 19;

  971.         if (hasAlpha) {

  972.             A1 = 1 << 18;

  973.             A2 = 1 << 18;

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

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

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

  977.             }

  978.             A1 >>= 19;

  979.             A2 >>= 19;

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

  981.                 A1 = av_clip_uint8(A1);

  982.                 A2 = av_clip_uint8(A2);

  983.             }

  984.         }

  985. 

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

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

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

  989. 

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

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

  992.     }

  993. }

  994. 

  995. static av_always_inline void

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

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

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

  999.                      int yalpha, int uvalpha, int y,

  1000.                      enum PixelFormat target, int hasAlpha)

  1001. {

  1002.     const int16_t *buf0  = buf[0],  *buf1  = buf[1],

  1003.                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],

  1004.                   *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],

  1005.                   *abuf0 = hasAlpha ? abuf[0] : NULL,

  1006.                   *abuf1 = hasAlpha ? abuf[1] : NULL;

  1007.     int  yalpha1 = 4095 - yalpha;

  1008.     int uvalpha1 = 4095 - uvalpha;

  1009.     int i;

  1010. 

  1011.     for (i = 0; i < (dstW >> 1); i++) {

  1012.         int Y1 = (buf0[i * 2]     * yalpha1  + buf1[i * 2]     * yalpha)  >> 19;

  1013.         int Y2 = (buf0[i * 2 + 1] * yalpha1  + buf1[i * 2 + 1] * yalpha)  >> 19;

  1014.         int U  = (ubuf0[i]        * uvalpha1 + ubuf1[i]        * uvalpha) >> 19;

  1015.         int V  = (vbuf0[i]        * uvalpha1 + vbuf1[i]        * uvalpha) >> 19;

  1016.         int A1, A2;

  1017.         const void *r =  c->table_rV[V + YUVRGB_TABLE_HEADROOM],

  1018.                    *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),

  1019.                    *b =  c->table_bU[U + YUVRGB_TABLE_HEADROOM];

  1020. 

  1021.         Y1 = av_clip_uint8(Y1);

  1022.         Y2 = av_clip_uint8(Y2);

  1023.         U  = av_clip_uint8(U);

  1024.         V  = av_clip_uint8(V);

  1025. 

  1026.         if (hasAlpha) {

  1027.             A1 = (abuf0[i * 2    ] * yalpha1 + abuf1[i * 2    ] * yalpha) >> 19;

  1028.             A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 19;

  1029.             A1 = av_clip_uint8(A1);

  1030.             A2 = av_clip_uint8(A2);

  1031.         }

  1032. 

  1033.         yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1034.                       r, g, b, y, target, hasAlpha);

  1035.     }

  1036. }

  1037. 

  1038. static av_always_inline void

  1039. yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,

  1040.                      const int16_t *ubuf[2], const int16_t *vbuf[2],

  1041.                      const int16_t *abuf0, uint8_t *dest, int dstW,

  1042.                      int uvalpha, int y, enum PixelFormat target,

  1043.                      int hasAlpha)

  1044. {

  1045.     const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];

  1046.     int i;

  1047. 

  1048.     if (uvalpha < 2048) {

  1049.         for (i = 0; i < (dstW >> 1); i++) {

  1050.             int Y1 = (buf0[i * 2    ] + 64) >> 7;

  1051.             int Y2 = (buf0[i * 2 + 1] + 64) >> 7;

  1052.             int U  = (ubuf0[i]        + 64) >> 7;

  1053.             int V  = (vbuf0[i]        + 64) >> 7;

  1054.             int A1, A2;

  1055.             const void *r =  c->table_rV[V + YUVRGB_TABLE_HEADROOM],

  1056.                        *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),

  1057.                        *b =  c->table_bU[U + YUVRGB_TABLE_HEADROOM];

  1058. 

  1059.             Y1 = av_clip_uint8(Y1);

  1060.             Y2 = av_clip_uint8(Y2);

  1061.             U  = av_clip_uint8(U);

  1062.             V  = av_clip_uint8(V);

  1063. 

  1064.             if (hasAlpha) {

  1065.                 A1 = abuf0[i * 2    ] * 255 + 16384 >> 15;

  1066.                 A2 = abuf0[i * 2 + 1] * 255 + 16384 >> 15;

  1067.                 A1 = av_clip_uint8(A1);

  1068.                 A2 = av_clip_uint8(A2);

  1069.             }

  1070. 

  1071.             yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1072.                           r, g, b, y, target, hasAlpha);

  1073.         }

  1074.     } else {

  1075.         const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];

  1076.         for (i = 0; i < (dstW >> 1); i++) {

  1077.             int Y1 = (buf0[i * 2    ]     +  64) >> 7;

  1078.             int Y2 = (buf0[i * 2 + 1]     +  64) >> 7;

  1079.             int U  = (ubuf0[i] + ubuf1[i] + 128) >> 8;

  1080.             int V  = (vbuf0[i] + vbuf1[i] + 128) >> 8;

  1081.             int A1, A2;

  1082.             const void *r =  c->table_rV[V + YUVRGB_TABLE_HEADROOM],

  1083.                        *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),

  1084.                        *b =  c->table_bU[U + YUVRGB_TABLE_HEADROOM];

  1085. 

  1086.             Y1 = av_clip_uint8(Y1);

  1087.             Y2 = av_clip_uint8(Y2);

  1088.             U  = av_clip_uint8(U);

  1089.             V  = av_clip_uint8(V);

  1090. 

  1091.             if (hasAlpha) {

  1092.                 A1 = (abuf0[i * 2    ] + 64) >> 7;

  1093.                 A2 = (abuf0[i * 2 + 1] + 64) >> 7;

  1094.                 A1 = av_clip_uint8(A1);

  1095.                 A2 = av_clip_uint8(A2);

  1096.             }

  1097. 

  1098.             yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1099.                           r, g, b, y, target, hasAlpha);

  1100.         }

  1101.     }

  1102. }

  1103. 

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

  1105. static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \

  1106.                                 const int16_t **lumSrc, int lumFilterSize, \

  1107.                                 const int16_t *chrFilter, const int16_t **chrUSrc, \

  1108.                                 const int16_t **chrVSrc, int chrFilterSize, \

  1109.                                 const int16_t **alpSrc, uint8_t *dest, int dstW, \

  1110.                                 int y) \

  1111. { \

  1112.     name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \

  1113.                                   chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

  1114.                                   alpSrc, dest, dstW, y, fmt, hasAlpha); \

  1115. }

  1116. #define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \

  1117. YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \

  1118. static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \

  1119.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  1120.                                 const int16_t *abuf[2], uint8_t *dest, int dstW, \

  1121.                                 int yalpha, int uvalpha, int y) \

  1122. { \

  1123.     name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \

  1124.                                   dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha); \

  1125. } \

  1126.  \

  1127. static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \

  1128.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  1129.                                 const int16_t *abuf0, uint8_t *dest, int dstW, \

  1130.                                 int uvalpha, int y) \

  1131. { \

  1132.     name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \

  1133.                                   dstW, uvalpha, y, fmt, hasAlpha); \

  1134. }

  1135. 

  1136. #if CONFIG_SMALL

  1137. YUV2RGBWRAPPER(yuv2rgb,,  32_1,  PIX_FMT_RGB32_1,   CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1138. YUV2RGBWRAPPER(yuv2rgb,,  32,    PIX_FMT_RGB32,     CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1139. #else

  1140. #if CONFIG_SWSCALE_ALPHA

  1141. YUV2RGBWRAPPER(yuv2rgb,, a32_1,  PIX_FMT_RGB32_1,   1)

  1142. YUV2RGBWRAPPER(yuv2rgb,, a32,    PIX_FMT_RGB32,     1)

  1143. #endif

  1144. YUV2RGBWRAPPER(yuv2rgb,, x32_1,  PIX_FMT_RGB32_1,   0)

  1145. YUV2RGBWRAPPER(yuv2rgb,, x32,    PIX_FMT_RGB32,     0)

  1146. #endif

  1147. YUV2RGBWRAPPER(yuv2, rgb, rgb24, PIX_FMT_RGB24,   0)

  1148. YUV2RGBWRAPPER(yuv2, rgb, bgr24, PIX_FMT_BGR24,   0)

  1149. YUV2RGBWRAPPER(yuv2rgb,,  16,    PIX_FMT_RGB565,    0)

  1150. YUV2RGBWRAPPER(yuv2rgb,,  15,    PIX_FMT_RGB555,    0)

  1151. YUV2RGBWRAPPER(yuv2rgb,,  12,    PIX_FMT_RGB444,    0)

  1152. YUV2RGBWRAPPER(yuv2rgb,,   8,    PIX_FMT_RGB8,      0)

  1153. YUV2RGBWRAPPER(yuv2rgb,,   4,    PIX_FMT_RGB4,      0)

  1154. YUV2RGBWRAPPER(yuv2rgb,,   4b,   PIX_FMT_RGB4_BYTE, 0)

  1155. 

  1156. static av_always_inline void

  1157. yuv2rgb_full_X_c_template(SwsContext *c, const int16_t *lumFilter,

  1158.                           const int16_t **lumSrc, int lumFilterSize,

  1159.                           const int16_t *chrFilter, const int16_t **chrUSrc,

  1160.                           const int16_t **chrVSrc, int chrFilterSize,

  1161.                           const int16_t **alpSrc, uint8_t *dest,

  1162.                           int dstW, int y, enum PixelFormat target, int hasAlpha)

  1163. {

  1164.     int i;

  1165.     int step = (target == PIX_FMT_RGB24 || target == PIX_FMT_BGR24) ? 3 : 4;

  1166. 

  1167.     for (i = 0; i < dstW; i++) {

  1168.         int j;

  1169.         int Y = 1<<9;

  1170.         int U = (1<<9)-(128 << 19);

  1171.         int V = (1<<9)-(128 << 19);

  1172.         int R, G, B, A;

  1173. 

  1174.         for (j = 0; j < lumFilterSize; j++) {

  1175.             Y += lumSrc[j][i] * lumFilter[j];

  1176.         }

  1177.         for (j = 0; j < chrFilterSize; j++) {

  1178.             U += chrUSrc[j][i] * chrFilter[j];

  1179.             V += chrVSrc[j][i] * chrFilter[j];

  1180.         }

  1181.         Y >>= 10;

  1182.         U >>= 10;

  1183.         V >>= 10;

  1184.         if (hasAlpha) {

  1185.             A = 1 << 18;

  1186.             for (j = 0; j < lumFilterSize; j++) {

  1187.                 A += alpSrc[j][i] * lumFilter[j];

  1188.             }

  1189.             A >>= 19;

  1190.             if (A & 0x100)

  1191.                 A = av_clip_uint8(A);

  1192.         }

  1193.         Y -= c->yuv2rgb_y_offset;

  1194.         Y *= c->yuv2rgb_y_coeff;

  1195.         Y += 1 << 21;

  1196.         R = Y + V*c->yuv2rgb_v2r_coeff;

  1197.         G = Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;

  1198.         B = Y +                          U*c->yuv2rgb_u2b_coeff;

  1199.         if ((R | G | B) & 0xC0000000) {

  1200.             R = av_clip_uintp2(R, 30);

  1201.             G = av_clip_uintp2(G, 30);

  1202.             B = av_clip_uintp2(B, 30);

  1203.         }

  1204. 

  1205.         switch(target) {

  1206.         case PIX_FMT_ARGB:

  1207.             dest[0] = hasAlpha ? A : 255;

  1208.             dest[1] = R >> 22;

  1209.             dest[2] = G >> 22;

  1210.             dest[3] = B >> 22;

  1211.             break;

  1212.         case PIX_FMT_RGB24:

  1213.             dest[0] = R >> 22;

  1214.             dest[1] = G >> 22;

  1215.             dest[2] = B >> 22;

  1216.             break;

  1217.         case PIX_FMT_RGBA:

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

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

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

  1221.             dest[3] = hasAlpha ? A : 255;

  1222.             break;

  1223.         case PIX_FMT_ABGR:

  1224.             dest[0] = hasAlpha ? A : 255;

  1225.             dest[1] = B >> 22;

  1226.             dest[2] = G >> 22;

  1227.             dest[3] = R >> 22;

  1228.             break;

  1229.         case PIX_FMT_BGR24:

  1230.             dest[0] = B >> 22;

  1231.             dest[1] = G >> 22;

  1232.             dest[2] = R >> 22;

  1233.             break;

  1234.         case PIX_FMT_BGRA:

  1235.             dest[0] = B >> 22;

  1236.             dest[1] = G >> 22;

  1237.             dest[2] = R >> 22;

  1238.             dest[3] = hasAlpha ? A : 255;

  1239.             break;

  1240.         }

  1241.         dest += step;

  1242.     }

  1243. }

  1244. 

  1245. #if CONFIG_SMALL

  1246. YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, PIX_FMT_BGRA,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1247. YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, PIX_FMT_ABGR,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1248. YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, PIX_FMT_RGBA,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1249. YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, PIX_FMT_ARGB,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1250. #else

  1251. #if CONFIG_SWSCALE_ALPHA

  1252. YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, PIX_FMT_BGRA,  1)

  1253. YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, PIX_FMT_ABGR,  1)

  1254. YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, PIX_FMT_RGBA,  1)

  1255. YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, PIX_FMT_ARGB,  1)

  1256. #endif

  1257. YUV2RGBWRAPPERX(yuv2, rgb_full, bgrx32_full, PIX_FMT_BGRA,  0)

  1258. YUV2RGBWRAPPERX(yuv2, rgb_full, xbgr32_full, PIX_FMT_ABGR,  0)

  1259. YUV2RGBWRAPPERX(yuv2, rgb_full, rgbx32_full, PIX_FMT_RGBA,  0)

  1260. YUV2RGBWRAPPERX(yuv2, rgb_full, xrgb32_full, PIX_FMT_ARGB,  0)

  1261. #endif

  1262. YUV2RGBWRAPPERX(yuv2, rgb_full, bgr24_full,  PIX_FMT_BGR24, 0)

  1263. YUV2RGBWRAPPERX(yuv2, rgb_full, rgb24_full,  PIX_FMT_RGB24, 0)

  1264. 

  1265. void ff_sws_init_output_funcs(SwsContext *c,

  1266.                               yuv2planar1_fn *yuv2plane1,

  1267.                               yuv2planarX_fn *yuv2planeX,

  1268.                               yuv2interleavedX_fn *yuv2nv12cX,

  1269.                               yuv2packed1_fn *yuv2packed1,

  1270.                               yuv2packed2_fn *yuv2packed2,

  1271.                               yuv2packedX_fn *yuv2packedX)

  1272. {

  1273.     enum PixelFormat dstFormat = c->dstFormat;

  1274. 

  1275.     if (is16BPS(dstFormat)) {

  1276.         *yuv2planeX = isBE(dstFormat) ? yuv2planeX_16BE_c  : yuv2planeX_16LE_c;

  1277.         *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_16BE_c  : yuv2plane1_16LE_c;

  1278.     } else if (is9_OR_10BPS(dstFormat)) {

  1279.         if (av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1 == 8) {

  1280.             *yuv2planeX = isBE(dstFormat) ? yuv2planeX_9BE_c  : yuv2planeX_9LE_c;

  1281.             *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_9BE_c  : yuv2plane1_9LE_c;

  1282.         } else {

  1283.             *yuv2planeX = isBE(dstFormat) ? yuv2planeX_10BE_c  : yuv2planeX_10LE_c;

  1284.             *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_10BE_c  : yuv2plane1_10LE_c;

  1285.         }

  1286.     } else {

  1287.         *yuv2plane1 = yuv2plane1_8_c;

  1288.         *yuv2planeX = yuv2planeX_8_c;

  1289.         if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)

  1290.             *yuv2nv12cX = yuv2nv12cX_c;

  1291.     }

  1292. 

  1293.     if(c->flags & SWS_FULL_CHR_H_INT) {

  1294.         switch (dstFormat) {

  1295.             case PIX_FMT_RGBA:

  1296. #if CONFIG_SMALL

  1297.                 *yuv2packedX = yuv2rgba32_full_X_c;

  1298. #else

  1299. #if CONFIG_SWSCALE_ALPHA

  1300.                 if (c->alpPixBuf) {

  1301.                     *yuv2packedX = yuv2rgba32_full_X_c;

  1302.                 } else

  1303. #endif /* CONFIG_SWSCALE_ALPHA */

  1304.                 {

  1305.                     *yuv2packedX = yuv2rgbx32_full_X_c;

  1306.                 }

  1307. #endif /* !CONFIG_SMALL */

  1308.                 break;

  1309.             case PIX_FMT_ARGB:

  1310. #if CONFIG_SMALL

  1311.                 *yuv2packedX = yuv2argb32_full_X_c;

  1312. #else

  1313. #if CONFIG_SWSCALE_ALPHA

  1314.                 if (c->alpPixBuf) {

  1315.                     *yuv2packedX = yuv2argb32_full_X_c;

  1316.                 } else

  1317. #endif /* CONFIG_SWSCALE_ALPHA */

  1318.                 {

  1319.                     *yuv2packedX = yuv2xrgb32_full_X_c;

  1320.                 }

  1321. #endif /* !CONFIG_SMALL */

  1322.                 break;

  1323.             case PIX_FMT_BGRA:

  1324. #if CONFIG_SMALL

  1325.                 *yuv2packedX = yuv2bgra32_full_X_c;

  1326. #else

  1327. #if CONFIG_SWSCALE_ALPHA

  1328.                 if (c->alpPixBuf) {

  1329.                     *yuv2packedX = yuv2bgra32_full_X_c;

  1330.                 } else

  1331. #endif /* CONFIG_SWSCALE_ALPHA */

  1332.                 {

  1333.                     *yuv2packedX = yuv2bgrx32_full_X_c;

  1334.                 }

  1335. #endif /* !CONFIG_SMALL */

  1336.                 break;

  1337.             case PIX_FMT_ABGR:

  1338. #if CONFIG_SMALL

  1339.                 *yuv2packedX = yuv2abgr32_full_X_c;

  1340. #else

  1341. #if CONFIG_SWSCALE_ALPHA

  1342.                 if (c->alpPixBuf) {

  1343.                     *yuv2packedX = yuv2abgr32_full_X_c;

  1344.                 } else

  1345. #endif /* CONFIG_SWSCALE_ALPHA */

  1346.                 {

  1347.                     *yuv2packedX = yuv2xbgr32_full_X_c;

  1348.                 }

  1349. #endif /* !CONFIG_SMALL */

  1350.                 break;

  1351.             case PIX_FMT_RGB24:

  1352.             *yuv2packedX = yuv2rgb24_full_X_c;

  1353.             break;

  1354.         case PIX_FMT_BGR24:

  1355.             *yuv2packedX = yuv2bgr24_full_X_c;

  1356.             break;

  1357.         }

  1358.         if(!*yuv2packedX)

  1359.             goto YUV_PACKED;

  1360.     } else {

  1361.         YUV_PACKED:

  1362.         switch (dstFormat) {

  1363.         case PIX_FMT_RGB48LE:

  1364.             *yuv2packed1 = yuv2rgb48le_1_c;

  1365.             *yuv2packed2 = yuv2rgb48le_2_c;

  1366.             *yuv2packedX = yuv2rgb48le_X_c;

  1367.             break;

  1368.         case PIX_FMT_RGB48BE:

  1369.             *yuv2packed1 = yuv2rgb48be_1_c;

  1370.             *yuv2packed2 = yuv2rgb48be_2_c;

  1371.             *yuv2packedX = yuv2rgb48be_X_c;

  1372.             break;

  1373.         case PIX_FMT_BGR48LE:

  1374.             *yuv2packed1 = yuv2bgr48le_1_c;

  1375.             *yuv2packed2 = yuv2bgr48le_2_c;

  1376.             *yuv2packedX = yuv2bgr48le_X_c;

  1377.             break;

  1378.         case PIX_FMT_BGR48BE:

  1379.             *yuv2packed1 = yuv2bgr48be_1_c;

  1380.             *yuv2packed2 = yuv2bgr48be_2_c;

  1381.             *yuv2packedX = yuv2bgr48be_X_c;

  1382.             break;

  1383.         case PIX_FMT_RGB32:

  1384.         case PIX_FMT_BGR32:

  1385. #if CONFIG_SMALL

  1386.             *yuv2packed1 = yuv2rgb32_1_c;

  1387.             *yuv2packed2 = yuv2rgb32_2_c;

  1388.             *yuv2packedX = yuv2rgb32_X_c;

  1389. #else

  1390. #if CONFIG_SWSCALE_ALPHA

  1391.                 if (c->alpPixBuf) {

  1392.                     *yuv2packed1 = yuv2rgba32_1_c;

  1393.                     *yuv2packed2 = yuv2rgba32_2_c;

  1394.                     *yuv2packedX = yuv2rgba32_X_c;

  1395.                 } else

  1396. #endif /* CONFIG_SWSCALE_ALPHA */

  1397.                 {

  1398.                     *yuv2packed1 = yuv2rgbx32_1_c;

  1399.                     *yuv2packed2 = yuv2rgbx32_2_c;

  1400.                     *yuv2packedX = yuv2rgbx32_X_c;

  1401.                 }

  1402. #endif /* !CONFIG_SMALL */

  1403.             break;

  1404.         case PIX_FMT_RGB32_1:

  1405.         case PIX_FMT_BGR32_1:

  1406. #if CONFIG_SMALL

  1407.                 *yuv2packed1 = yuv2rgb32_1_1_c;

  1408.                 *yuv2packed2 = yuv2rgb32_1_2_c;

  1409.                 *yuv2packedX = yuv2rgb32_1_X_c;

  1410. #else

  1411. #if CONFIG_SWSCALE_ALPHA

  1412.                 if (c->alpPixBuf) {

  1413.                     *yuv2packed1 = yuv2rgba32_1_1_c;

  1414.                     *yuv2packed2 = yuv2rgba32_1_2_c;

  1415.                     *yuv2packedX = yuv2rgba32_1_X_c;

  1416.                 } else

  1417. #endif /* CONFIG_SWSCALE_ALPHA */

  1418.                 {

  1419.                     *yuv2packed1 = yuv2rgbx32_1_1_c;

  1420.                     *yuv2packed2 = yuv2rgbx32_1_2_c;

  1421.                     *yuv2packedX = yuv2rgbx32_1_X_c;

  1422.                 }

  1423. #endif /* !CONFIG_SMALL */

  1424.                 break;

  1425.         case PIX_FMT_RGB24:

  1426.             *yuv2packed1 = yuv2rgb24_1_c;

  1427.             *yuv2packed2 = yuv2rgb24_2_c;

  1428.             *yuv2packedX = yuv2rgb24_X_c;

  1429.             break;

  1430.         case PIX_FMT_BGR24:

  1431.             *yuv2packed1 = yuv2bgr24_1_c;

  1432.             *yuv2packed2 = yuv2bgr24_2_c;

  1433.             *yuv2packedX = yuv2bgr24_X_c;

  1434.             break;

  1435.         case PIX_FMT_RGB565LE:

  1436.         case PIX_FMT_RGB565BE:

  1437.         case PIX_FMT_BGR565LE:

  1438.         case PIX_FMT_BGR565BE:

  1439.             *yuv2packed1 = yuv2rgb16_1_c;

  1440.             *yuv2packed2 = yuv2rgb16_2_c;

  1441.             *yuv2packedX = yuv2rgb16_X_c;

  1442.             break;

  1443.         case PIX_FMT_RGB555LE:

  1444.         case PIX_FMT_RGB555BE:

  1445.         case PIX_FMT_BGR555LE:

  1446.         case PIX_FMT_BGR555BE:

  1447.             *yuv2packed1 = yuv2rgb15_1_c;

  1448.             *yuv2packed2 = yuv2rgb15_2_c;

  1449.             *yuv2packedX = yuv2rgb15_X_c;

  1450.             break;

  1451.         case PIX_FMT_RGB444LE:

  1452.         case PIX_FMT_RGB444BE:

  1453.         case PIX_FMT_BGR444LE:

  1454.         case PIX_FMT_BGR444BE:

  1455.             *yuv2packed1 = yuv2rgb12_1_c;

  1456.             *yuv2packed2 = yuv2rgb12_2_c;

  1457.             *yuv2packedX = yuv2rgb12_X_c;

  1458.             break;

  1459.         case PIX_FMT_RGB8:

  1460.         case PIX_FMT_BGR8:

  1461.             *yuv2packed1 = yuv2rgb8_1_c;

  1462.             *yuv2packed2 = yuv2rgb8_2_c;

  1463.             *yuv2packedX = yuv2rgb8_X_c;

  1464.             break;

  1465.         case PIX_FMT_RGB4:

  1466.         case PIX_FMT_BGR4:

  1467.             *yuv2packed1 = yuv2rgb4_1_c;

  1468.             *yuv2packed2 = yuv2rgb4_2_c;

  1469.             *yuv2packedX = yuv2rgb4_X_c;

  1470.             break;

  1471.         case PIX_FMT_RGB4_BYTE:

  1472.         case PIX_FMT_BGR4_BYTE:

  1473.             *yuv2packed1 = yuv2rgb4b_1_c;

  1474.             *yuv2packed2 = yuv2rgb4b_2_c;

  1475.             *yuv2packedX = yuv2rgb4b_X_c;

  1476.             break;

  1477.         }

  1478.     }

  1479.     switch (dstFormat) {

  1480.     case PIX_FMT_MONOWHITE:

  1481.         *yuv2packed1 = yuv2monowhite_1_c;

  1482.         *yuv2packed2 = yuv2monowhite_2_c;

  1483.         *yuv2packedX = yuv2monowhite_X_c;

  1484.         break;

  1485.     case PIX_FMT_MONOBLACK:

  1486.         *yuv2packed1 = yuv2monoblack_1_c;

  1487.         *yuv2packed2 = yuv2monoblack_2_c;

  1488.         *yuv2packedX = yuv2monoblack_X_c;

  1489.         break;

  1490.     case PIX_FMT_YUYV422:

  1491.         *yuv2packed1 = yuv2yuyv422_1_c;

  1492.         *yuv2packed2 = yuv2yuyv422_2_c;

  1493.         *yuv2packedX = yuv2yuyv422_X_c;

  1494.         break;

  1495.     case PIX_FMT_UYVY422:

  1496.         *yuv2packed1 = yuv2uyvy422_1_c;

  1497.         *yuv2packed2 = yuv2uyvy422_2_c;

  1498.         *yuv2packedX = yuv2uyvy422_X_c;

  1499.         break;

  1500.     }

  1501. }