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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 output_pixel(pos, val) \

  299.         if (target == PIX_FMT_GRAY16BE) { \

  300.             AV_WB16(pos, val); \

  301.         } else { \

  302.             AV_WL16(pos, val); \

  303.         }

  304. 

  305. static av_always_inline void

  306. yuv2gray16_X_c_template(SwsContext *c, const int16_t *lumFilter,

  307.                         const int32_t **lumSrc, int lumFilterSize,

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

  309.                         const int32_t **chrVSrc, int chrFilterSize,

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

  311.                         int y, enum PixelFormat target)

  312. {

  313.     int i;

  314. 

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

  316.         int j;

  317.         int Y1 = (1 << 14) - 0x40000000;

  318.         int Y2 = (1 << 14) - 0x40000000;

  319. 

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

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

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

  323.         }

  324.         Y1 >>= 15;

  325.         Y2 >>= 15;

  326.         Y1 = av_clip_int16(Y1);

  327.         Y2 = av_clip_int16(Y2);

  328.         output_pixel(&dest[i * 2 + 0], 0x8000 + Y1);

  329.         output_pixel(&dest[i * 2 + 1], 0x8000 + Y2);

  330.     }

  331. }

  332. 

  333. static av_always_inline void

  334. yuv2gray16_2_c_template(SwsContext *c, const int32_t *buf[2],

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

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

  337.                         int yalpha, int uvalpha, int y,

  338.                         enum PixelFormat target)

  339. {

  340.     int  yalpha1 = 4095 - yalpha;

  341.     int i;

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

  343. 

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

  345.         int Y1 = (buf0[i * 2    ] * yalpha1 + buf1[i * 2    ] * yalpha) >> 15;

  346.         int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 15;

  347. 

  348.         output_pixel(&dest[i * 2 + 0], Y1);

  349.         output_pixel(&dest[i * 2 + 1], Y2);

  350.     }

  351. }

  352. 

  353. static av_always_inline void

  354. yuv2gray16_1_c_template(SwsContext *c, const int32_t *buf0,

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

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

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

  358. {

  359.     int i;

  360. 

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

  362.         int Y1 = buf0[i * 2    ] << 1;

  363.         int Y2 = buf0[i * 2 + 1] << 1;

  364. 

  365.         output_pixel(&dest[i * 2 + 0], Y1);

  366.         output_pixel(&dest[i * 2 + 1], Y2);

  367.     }

  368. }

  369. 

  370. #undef output_pixel

  371. 

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

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

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

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

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

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

  378.                         int y) \

  379. { \

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

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

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

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

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

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

  386.                           chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

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

  388. } \

  389.  \

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

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

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

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

  394. { \

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

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

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

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

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

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

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

  402. } \

  403.  \

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

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

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

  407.                         int uvalpha, int y) \

  408. { \

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

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

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

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

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

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

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

  416. }

  417. 

  418. YUV2PACKED16WRAPPER(yuv2gray16,, LE, PIX_FMT_GRAY16LE)

  419. YUV2PACKED16WRAPPER(yuv2gray16,, BE, PIX_FMT_GRAY16BE)

  420. 

  421. #define output_pixel(pos, acc) \

  422.     if (target == PIX_FMT_MONOBLACK) { \

  423.         pos = acc; \

  424.     } else { \

  425.         pos = ~acc; \

  426.     }

  427. 

  428. static av_always_inline void

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

  430.                       const int16_t **lumSrc, int lumFilterSize,

  431.                       const int16_t *chrFilter, const int16_t **chrUSrc,

  432.                       const int16_t **chrVSrc, int chrFilterSize,

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

  434.                       int y, enum PixelFormat target)

  435. {

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

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

  438.     int i;

  439.     unsigned acc = 0;

  440. 

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

  442.         int j;

  443.         int Y1 = 1 << 18;

  444.         int Y2 = 1 << 18;

  445. 

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

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

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

  449.         }

  450.         Y1 >>= 19;

  451.         Y2 >>= 19;

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

  453.             Y1 = av_clip_uint8(Y1);

  454.             Y2 = av_clip_uint8(Y2);

  455.         }

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

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

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

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

  460.         }

  461.     }

  462. }

  463. 

  464. static av_always_inline void

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

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

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

  468.                       int yalpha, int uvalpha, int y,

  469.                       enum PixelFormat target)

  470. {

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

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

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

  474.     int  yalpha1 = 4095 - yalpha;

  475.     int i;

  476. 

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

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

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

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

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

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

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

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

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

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

  487.     }

  488. }

  489. 

  490. static av_always_inline void

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

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

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

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

  495. {

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

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

  498.     int i;

  499. 

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

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

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

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

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

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

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

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

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

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

  510.     }

  511. }

  512. 

  513. #undef output_pixel

  514. 

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

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

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

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

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

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

  521.                                 int y) \

  522. { \

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

  524.                                   chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

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

  526. } \

  527.  \

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

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

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

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

  532. { \

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

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

  535. } \

  536.  \

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

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

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

  540.                                 int uvalpha, int y) \

  541. { \

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

  543.                                   abuf0, dest, dstW, uvalpha, \

  544.                                   y, fmt); \

  545. }

  546. 

  547. YUV2PACKEDWRAPPER(yuv2mono,, white, PIX_FMT_MONOWHITE)

  548. YUV2PACKEDWRAPPER(yuv2mono,, black, PIX_FMT_MONOBLACK)

  549. 

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

  551.     if (target == PIX_FMT_YUYV422) { \

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

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

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

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

  556.     } else { \

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

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

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

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

  561.     }

  562. 

  563. static av_always_inline void

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

  565.                      const int16_t **lumSrc, int lumFilterSize,

  566.                      const int16_t *chrFilter, const int16_t **chrUSrc,

  567.                      const int16_t **chrVSrc, int chrFilterSize,

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

  569.                      int y, enum PixelFormat target)

  570. {

  571.     int i;

  572. 

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

  574.         int j;

  575.         int Y1 = 1 << 18;

  576.         int Y2 = 1 << 18;

  577.         int U  = 1 << 18;

  578.         int V  = 1 << 18;

  579. 

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

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

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

  583.         }

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

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

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

  587.         }

  588.         Y1 >>= 19;

  589.         Y2 >>= 19;

  590.         U  >>= 19;

  591.         V  >>= 19;

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

  593.             Y1 = av_clip_uint8(Y1);

  594.             Y2 = av_clip_uint8(Y2);

  595.             U  = av_clip_uint8(U);

  596.             V  = av_clip_uint8(V);

  597.         }

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

  599.     }

  600. }

  601. 

  602. static av_always_inline void

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

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

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

  606.                      int yalpha, int uvalpha, int y,

  607.                      enum PixelFormat target)

  608. {

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

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

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

  612.     int  yalpha1 = 4095 - yalpha;

  613.     int uvalpha1 = 4095 - uvalpha;

  614.     int i;

  615. 

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

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

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

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

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

  621. 

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

  623.     }

  624. }

  625. 

  626. static av_always_inline void

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

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

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

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

  631. {

  632.     const int16_t *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],

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

  634.     int i;

  635. 

  636.     if (uvalpha < 2048) {

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

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

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

  640.             int U  = ubuf1[i]        >> 7;

  641.             int V  = vbuf1[i]        >> 7;

  642. 

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

  644.         }

  645.     } else {

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

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

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

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

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

  651. 

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

  653.         }

  654.     }

  655. }

  656. 

  657. #undef output_pixels

  658. 

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

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

  661. 

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

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

  664. #define output_pixel(pos, val) \

  665.     if (isBE(target)) { \

  666.         AV_WB16(pos, val); \

  667.     } else { \

  668.         AV_WL16(pos, val); \

  669.     }

  670. 

  671. static av_always_inline void

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

  673.                        const int32_t **lumSrc, int lumFilterSize,

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

  675.                        const int32_t **chrVSrc, int chrFilterSize,

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

  677.                        int y, enum PixelFormat target)

  678. {

  679.     int i;

  680. 

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

  682.         int j;

  683.         int Y1 = -0x40000000;

  684.         int Y2 = -0x40000000;

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

  686.         int V  = -128 << 23;

  687.         int R, G, B;

  688. 

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

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

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

  692.         }

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

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

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

  696.         }

  697. 

  698.         // 8bit: 12+15=27; 16-bit: 12+19=31

  699.         Y1 >>= 14; // 10

  700.         Y1 += 0x10000;

  701.         Y2 >>= 14;

  702.         Y2 += 0x10000;

  703.         U  >>= 14;

  704.         V  >>= 14;

  705. 

  706.         // 8bit: 27 -> 17bit, 16bit: 31 - 14 = 17bit

  707.         Y1 -= c->yuv2rgb_y_offset;

  708.         Y2 -= c->yuv2rgb_y_offset;

  709.         Y1 *= c->yuv2rgb_y_coeff;

  710.         Y2 *= c->yuv2rgb_y_coeff;

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

  712.         Y2 += 1 << 13;

  713.         // 8bit: 17 + 13bit = 30bit, 16bit: 17 + 13bit = 30bit

  714. 

  715.         R = V * c->yuv2rgb_v2r_coeff;

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

  717.         B =                            U * c->yuv2rgb_u2b_coeff;

  718. 

  719.         // 8bit: 30 - 22 = 8bit, 16bit: 30bit - 14 = 16bit

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

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

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

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

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

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

  726.         dest += 6;

  727.     }

  728. }

  729. 

  730. static av_always_inline void

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

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

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

  734.                        int yalpha, int uvalpha, int y,

  735.                        enum PixelFormat target)

  736. {

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

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

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

  740.     int  yalpha1 = 4095 - yalpha;

  741.     int uvalpha1 = 4095 - uvalpha;

  742.     int i;

  743. 

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

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

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

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

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

  749.         int R, G, B;

  750. 

  751.         Y1 -= c->yuv2rgb_y_offset;

  752.         Y2 -= c->yuv2rgb_y_offset;

  753.         Y1 *= c->yuv2rgb_y_coeff;

  754.         Y2 *= c->yuv2rgb_y_coeff;

  755.         Y1 += 1 << 13;

  756.         Y2 += 1 << 13;

  757. 

  758.         R = V * c->yuv2rgb_v2r_coeff;

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

  760.         B =                            U * c->yuv2rgb_u2b_coeff;

  761. 

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

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

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

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

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

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

  768.         dest += 6;

  769.     }

  770. }

  771. 

  772. static av_always_inline void

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

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

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

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

  777. {

  778.     const int32_t *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],

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

  780.     int i;

  781. 

  782.     if (uvalpha < 2048) {

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

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

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

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

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

  788.             int R, G, B;

  789. 

  790.             Y1 -= c->yuv2rgb_y_offset;

  791.             Y2 -= c->yuv2rgb_y_offset;

  792.             Y1 *= c->yuv2rgb_y_coeff;

  793.             Y2 *= c->yuv2rgb_y_coeff;

  794.             Y1 += 1 << 13;

  795.             Y2 += 1 << 13;

  796. 

  797.             R = V * c->yuv2rgb_v2r_coeff;

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

  799.             B =                            U * c->yuv2rgb_u2b_coeff;

  800. 

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

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

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

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

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

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

  807.             dest += 6;

  808.         }

  809.     } else {

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

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

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

  813.             int U  = (ubuf0[i] + ubuf1[i] + (-128 << 11)) >> 3;

  814.             int V  = (vbuf0[i] + vbuf1[i] + (-128 << 11)) >> 3;

  815.             int R, G, B;

  816. 

  817.             Y1 -= c->yuv2rgb_y_offset;

  818.             Y2 -= c->yuv2rgb_y_offset;

  819.             Y1 *= c->yuv2rgb_y_coeff;

  820.             Y2 *= c->yuv2rgb_y_coeff;

  821.             Y1 += 1 << 13;

  822.             Y2 += 1 << 13;

  823. 

  824.             R = V * c->yuv2rgb_v2r_coeff;

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

  826.             B =                            U * c->yuv2rgb_u2b_coeff;

  827. 

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

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

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

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

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

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

  834.             dest += 6;

  835.         }

  836.     }

  837. }

  838. 

  839. #undef output_pixel

  840. #undef r_b

  841. #undef b_r

  842. 

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

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

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

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

  847. 

  848. /*

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

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

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

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

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

  854.  * correct RGB values into the destination buffer.

  855.  */

  856. static av_always_inline void

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

  858.               unsigned A1, unsigned A2,

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

  860.               enum PixelFormat target, int hasAlpha)

  861. {

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

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

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

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

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

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

  868. 

  869. #if CONFIG_SMALL

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

  871. 

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

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

  874. #else

  875.         if (hasAlpha) {

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

  877. 

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

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

  880.         } else {

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

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

  883.         }

  884. #endif

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

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

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

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

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

  890. 

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

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

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

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

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

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

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

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

  899. #undef r_b

  900. #undef b_r

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

  902.                target == PIX_FMT_RGB555 || target == PIX_FMT_BGR555 ||

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

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

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

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

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

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

  909. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  924.         } else {

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

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

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

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

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

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

  931.         }

  932. 

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

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

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

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

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

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

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

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

  941. 

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

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

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

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

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

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

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

  949.         } else {

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

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

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

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

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

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

  956.         }

  957. 

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

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

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

  961.         } else {

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

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

  964.         }

  965.     }

  966. }

  967. 

  968. static av_always_inline void

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

  970.                      const int16_t **lumSrc, int lumFilterSize,

  971.                      const int16_t *chrFilter, const int16_t **chrUSrc,

  972.                      const int16_t **chrVSrc, int chrFilterSize,

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

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

  975. {

  976.     int i;

  977. 

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

  979.         int j;

  980.         int Y1 = 1 << 18;

  981.         int Y2 = 1 << 18;

  982.         int U  = 1 << 18;

  983.         int V  = 1 << 18;

  984.         int av_unused A1, A2;

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

  986. 

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

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

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

  990.         }

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

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

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

  994.         }

  995.         Y1 >>= 19;

  996.         Y2 >>= 19;

  997.         U  >>= 19;

  998.         V  >>= 19;

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

  1000.             Y1 = av_clip_uint8(Y1);

  1001.             Y2 = av_clip_uint8(Y2);

  1002.             U  = av_clip_uint8(U);

  1003.             V  = av_clip_uint8(V);

  1004.         }

  1005.         if (hasAlpha) {

  1006.             A1 = 1 << 18;

  1007.             A2 = 1 << 18;

  1008.             for (j = 0; j < lumFilterSize; j++) {

  1009.                 A1 += alpSrc[j][i * 2    ] * lumFilter[j];

  1010.                 A2 += alpSrc[j][i * 2 + 1] * lumFilter[j];

  1011.             }

  1012.             A1 >>= 19;

  1013.             A2 >>= 19;

  1014.             if ((A1 | A2) & 0x100) {

  1015.                 A1 = av_clip_uint8(A1);

  1016.                 A2 = av_clip_uint8(A2);

  1017.             }

  1018.         }

  1019. 

  1020.         /* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/

  1021.         r =  c->table_rV[V];

  1022.         g = (c->table_gU[U] + c->table_gV[V]);

  1023.         b =  c->table_bU[U];

  1024. 

  1025.         yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1026.                       r, g, b, y, target, hasAlpha);

  1027.     }

  1028. }

  1029. 

  1030. static av_always_inline void

  1031. yuv2rgb_2_c_template(SwsContext *c, const int16_t *buf[2],

  1032.                      const int16_t *ubuf[2], const int16_t *vbuf[2],

  1033.                      const int16_t *abuf[2], uint8_t *dest, int dstW,

  1034.                      int yalpha, int uvalpha, int y,

  1035.                      enum PixelFormat target, int hasAlpha)

  1036. {

  1037.     const int16_t *buf0  = buf[0],  *buf1  = buf[1],

  1038.                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],

  1039.                   *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],

  1040.                   *abuf0 = hasAlpha ? abuf[0] : NULL,

  1041.                   *abuf1 = hasAlpha ? abuf[1] : NULL;

  1042.     int  yalpha1 = 4095 - yalpha;

  1043.     int uvalpha1 = 4095 - uvalpha;

  1044.     int i;

  1045. 

  1046.     for (i = 0; i < (dstW >> 1); i++) {

  1047.         int Y1 = (buf0[i * 2]     * yalpha1  + buf1[i * 2]     * yalpha)  >> 19;

  1048.         int Y2 = (buf0[i * 2 + 1] * yalpha1  + buf1[i * 2 + 1] * yalpha)  >> 19;

  1049.         int U  = (ubuf0[i]        * uvalpha1 + ubuf1[i]        * uvalpha) >> 19;

  1050.         int V  = (vbuf0[i]        * uvalpha1 + vbuf1[i]        * uvalpha) >> 19;

  1051.         int A1, A2;

  1052.         const void *r =  c->table_rV[V],

  1053.                    *g = (c->table_gU[U] + c->table_gV[V]),

  1054.                    *b =  c->table_bU[U];

  1055. 

  1056.         if (hasAlpha) {

  1057.             A1 = (abuf0[i * 2    ] * yalpha1 + abuf1[i * 2    ] * yalpha) >> 19;

  1058.             A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 19;

  1059.         }

  1060. 

  1061.         yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1062.                       r, g, b, y, target, hasAlpha);

  1063.     }

  1064. }

  1065. 

  1066. static av_always_inline void

  1067. yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,

  1068.                      const int16_t *ubuf[2], const int16_t *vbuf[2],

  1069.                      const int16_t *abuf0, uint8_t *dest, int dstW,

  1070.                      int uvalpha, int y, enum PixelFormat target,

  1071.                      int hasAlpha)

  1072. {

  1073.     const int16_t *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],

  1074.                   *vbuf0 = vbuf[0], *vbuf1 = vbuf[1];

  1075.     int i;

  1076. 

  1077.     if (uvalpha < 2048) {

  1078.         for (i = 0; i < (dstW >> 1); i++) {

  1079.             int Y1 = buf0[i * 2]     >> 7;

  1080.             int Y2 = buf0[i * 2 + 1] >> 7;

  1081.             int U  = ubuf1[i]        >> 7;

  1082.             int V  = vbuf1[i]        >> 7;

  1083.             int A1, A2;

  1084.             const void *r =  c->table_rV[V],

  1085.                        *g = (c->table_gU[U] + c->table_gV[V]),

  1086.                        *b =  c->table_bU[U];

  1087. 

  1088.             if (hasAlpha) {

  1089.                 A1 = abuf0[i * 2    ] >> 7;

  1090.                 A2 = abuf0[i * 2 + 1] >> 7;

  1091.             }

  1092. 

  1093.             yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1094.                           r, g, b, y, target, hasAlpha);

  1095.         }

  1096.     } else {

  1097.         for (i = 0; i < (dstW >> 1); i++) {

  1098.             int Y1 =  buf0[i * 2]          >> 7;

  1099.             int Y2 =  buf0[i * 2 + 1]      >> 7;

  1100.             int U  = (ubuf0[i] + ubuf1[i]) >> 8;

  1101.             int V  = (vbuf0[i] + vbuf1[i]) >> 8;

  1102.             int A1, A2;

  1103.             const void *r =  c->table_rV[V],

  1104.                        *g = (c->table_gU[U] + c->table_gV[V]),

  1105.                        *b =  c->table_bU[U];

  1106. 

  1107.             if (hasAlpha) {

  1108.                 A1 = abuf0[i * 2    ] >> 7;

  1109.                 A2 = abuf0[i * 2 + 1] >> 7;

  1110.             }

  1111. 

  1112.             yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1113.                           r, g, b, y, target, hasAlpha);

  1114.         }

  1115.     }

  1116. }

  1117. 

  1118. #define YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \

  1119. static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \

  1120.                                 const int16_t **lumSrc, int lumFilterSize, \

  1121.                                 const int16_t *chrFilter, const int16_t **chrUSrc, \

  1122.                                 const int16_t **chrVSrc, int chrFilterSize, \

  1123.                                 const int16_t **alpSrc, uint8_t *dest, int dstW, \

  1124.                                 int y) \

  1125. { \

  1126.     name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \

  1127.                                   chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

  1128.                                   alpSrc, dest, dstW, y, fmt, hasAlpha); \

  1129. }

  1130. #define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \

  1131. YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \

  1132. static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \

  1133.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  1134.                                 const int16_t *abuf[2], uint8_t *dest, int dstW, \

  1135.                                 int yalpha, int uvalpha, int y) \

  1136. { \

  1137.     name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \

  1138.                                   dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha); \

  1139. } \

  1140.  \

  1141. static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \

  1142.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  1143.                                 const int16_t *abuf0, uint8_t *dest, int dstW, \

  1144.                                 int uvalpha, int y) \

  1145. { \

  1146.     name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \

  1147.                                   dstW, uvalpha, y, fmt, hasAlpha); \

  1148. }

  1149. 

  1150. #if CONFIG_SMALL

  1151. YUV2RGBWRAPPER(yuv2rgb,,  32_1,  PIX_FMT_RGB32_1,   CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1152. YUV2RGBWRAPPER(yuv2rgb,,  32,    PIX_FMT_RGB32,     CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1153. #else

  1154. #if CONFIG_SWSCALE_ALPHA

  1155. YUV2RGBWRAPPER(yuv2rgb,, a32_1,  PIX_FMT_RGB32_1,   1)

  1156. YUV2RGBWRAPPER(yuv2rgb,, a32,    PIX_FMT_RGB32,     1)

  1157. #endif

  1158. YUV2RGBWRAPPER(yuv2rgb,, x32_1,  PIX_FMT_RGB32_1,   0)

  1159. YUV2RGBWRAPPER(yuv2rgb,, x32,    PIX_FMT_RGB32,     0)

  1160. #endif

  1161. YUV2RGBWRAPPER(yuv2, rgb, rgb24, PIX_FMT_RGB24,   0)

  1162. YUV2RGBWRAPPER(yuv2, rgb, bgr24, PIX_FMT_BGR24,   0)

  1163. YUV2RGBWRAPPER(yuv2rgb,,  16,    PIX_FMT_RGB565,    0)

  1164. YUV2RGBWRAPPER(yuv2rgb,,  15,    PIX_FMT_RGB555,    0)

  1165. YUV2RGBWRAPPER(yuv2rgb,,  12,    PIX_FMT_RGB444,    0)

  1166. YUV2RGBWRAPPER(yuv2rgb,,   8,    PIX_FMT_RGB8,      0)

  1167. YUV2RGBWRAPPER(yuv2rgb,,   4,    PIX_FMT_RGB4,      0)

  1168. YUV2RGBWRAPPER(yuv2rgb,,   4b,   PIX_FMT_RGB4_BYTE, 0)

  1169. 

  1170. static av_always_inline void

  1171. yuv2rgb_full_X_c_template(SwsContext *c, const int16_t *lumFilter,

  1172.                           const int16_t **lumSrc, int lumFilterSize,

  1173.                           const int16_t *chrFilter, const int16_t **chrUSrc,

  1174.                           const int16_t **chrVSrc, int chrFilterSize,

  1175.                           const int16_t **alpSrc, uint8_t *dest,

  1176.                           int dstW, int y, enum PixelFormat target, int hasAlpha)

  1177. {

  1178.     int i;

  1179.     int step = (target == PIX_FMT_RGB24 || target == PIX_FMT_BGR24) ? 3 : 4;

  1180. 

  1181.     for (i = 0; i < dstW; i++) {

  1182.         int j;

  1183.         int Y = 0;

  1184.         int U = -128 << 19;

  1185.         int V = -128 << 19;

  1186.         int av_unused A;

  1187.         int R, G, B;

  1188. 

  1189.         for (j = 0; j < lumFilterSize; j++) {

  1190.             Y += lumSrc[j][i] * lumFilter[j];

  1191.         }

  1192.         for (j = 0; j < chrFilterSize; j++) {

  1193.             U += chrUSrc[j][i] * chrFilter[j];

  1194.             V += chrVSrc[j][i] * chrFilter[j];

  1195.         }

  1196.         Y >>= 10;

  1197.         U >>= 10;

  1198.         V >>= 10;

  1199.         if (hasAlpha) {

  1200.             A = 1 << 21;

  1201.             for (j = 0; j < lumFilterSize; j++) {

  1202.                 A += alpSrc[j][i] * lumFilter[j];

  1203.             }

  1204.             A >>= 19;

  1205.             if (A & 0x100)

  1206.                 A = av_clip_uint8(A);

  1207.         }

  1208.         Y -= c->yuv2rgb_y_offset;

  1209.         Y *= c->yuv2rgb_y_coeff;

  1210.         Y += 1 << 21;

  1211.         R = Y + V*c->yuv2rgb_v2r_coeff;

  1212.         G = Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;

  1213.         B = Y +                          U*c->yuv2rgb_u2b_coeff;

  1214.         if ((R | G | B) & 0xC0000000) {

  1215.             R = av_clip_uintp2(R, 30);

  1216.             G = av_clip_uintp2(G, 30);

  1217.             B = av_clip_uintp2(B, 30);

  1218.         }

  1219. 

  1220.         switch(target) {

  1221.         case PIX_FMT_ARGB:

  1222.             dest[0] = hasAlpha ? A : 255;

  1223.             dest[1] = R >> 22;

  1224.             dest[2] = G >> 22;

  1225.             dest[3] = B >> 22;

  1226.             break;

  1227.         case PIX_FMT_RGB24:

  1228.             dest[0] = R >> 22;

  1229.             dest[1] = G >> 22;

  1230.             dest[2] = B >> 22;

  1231.             break;

  1232.         case PIX_FMT_RGBA:

  1233.             dest[0] = R >> 22;

  1234.             dest[1] = G >> 22;

  1235.             dest[2] = B >> 22;

  1236.             dest[3] = hasAlpha ? A : 255;

  1237.             break;

  1238.         case PIX_FMT_ABGR:

  1239.             dest[0] = hasAlpha ? A : 255;

  1240.             dest[1] = B >> 22;

  1241.             dest[2] = G >> 22;

  1242.             dest[3] = R >> 22;

  1243.             dest += 4;

  1244.             break;

  1245.         case PIX_FMT_BGR24:

  1246.             dest[0] = B >> 22;

  1247.             dest[1] = G >> 22;

  1248.             dest[2] = R >> 22;

  1249.             break;

  1250.         case PIX_FMT_BGRA:

  1251.             dest[0] = B >> 22;

  1252.             dest[1] = G >> 22;

  1253.             dest[2] = R >> 22;

  1254.             dest[3] = hasAlpha ? A : 255;

  1255.             break;

  1256.         }

  1257.         dest += step;

  1258.     }

  1259. }

  1260. 

  1261. #if CONFIG_SMALL

  1262. YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, PIX_FMT_BGRA,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1263. YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, PIX_FMT_ABGR,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1264. YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, PIX_FMT_RGBA,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1265. YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, PIX_FMT_ARGB,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1266. #else

  1267. #if CONFIG_SWSCALE_ALPHA

  1268. YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, PIX_FMT_BGRA,  1)

  1269. YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, PIX_FMT_ABGR,  1)

  1270. YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, PIX_FMT_RGBA,  1)

  1271. YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, PIX_FMT_ARGB,  1)

  1272. #endif

  1273. YUV2RGBWRAPPERX(yuv2, rgb_full, bgrx32_full, PIX_FMT_BGRA,  0)

  1274. YUV2RGBWRAPPERX(yuv2, rgb_full, xbgr32_full, PIX_FMT_ABGR,  0)

  1275. YUV2RGBWRAPPERX(yuv2, rgb_full, rgbx32_full, PIX_FMT_RGBA,  0)

  1276. YUV2RGBWRAPPERX(yuv2, rgb_full, xrgb32_full, PIX_FMT_ARGB,  0)

  1277. #endif

  1278. YUV2RGBWRAPPERX(yuv2, rgb_full, bgr24_full,  PIX_FMT_BGR24, 0)

  1279. YUV2RGBWRAPPERX(yuv2, rgb_full, rgb24_full,  PIX_FMT_RGB24, 0)

  1280. 

  1281. void ff_sws_init_output_funcs(SwsContext *c,

  1282.                               yuv2planar1_fn *yuv2plane1,

  1283.                               yuv2planarX_fn *yuv2planeX,

  1284.                               yuv2interleavedX_fn *yuv2nv12cX,

  1285.                               yuv2packed1_fn *yuv2packed1,

  1286.                               yuv2packed2_fn *yuv2packed2,

  1287.                               yuv2packedX_fn *yuv2packedX)

  1288. {

  1289.     enum PixelFormat dstFormat = c->dstFormat;

  1290. 

  1291.     if (is16BPS(dstFormat)) {

  1292.         *yuv2planeX = isBE(dstFormat) ? yuv2planeX_16BE_c  : yuv2planeX_16LE_c;

  1293.         *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_16BE_c  : yuv2plane1_16LE_c;

  1294.     } else if (is9_OR_10BPS(dstFormat)) {

  1295.         if (av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1 == 8) {

  1296.             *yuv2planeX = isBE(dstFormat) ? yuv2planeX_9BE_c  : yuv2planeX_9LE_c;

  1297.             *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_9BE_c  : yuv2plane1_9LE_c;

  1298.         } else {

  1299.             *yuv2planeX = isBE(dstFormat) ? yuv2planeX_10BE_c  : yuv2planeX_10LE_c;

  1300.             *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_10BE_c  : yuv2plane1_10LE_c;

  1301.         }

  1302.     } else {

  1303.         *yuv2plane1 = yuv2plane1_8_c;

  1304.         *yuv2planeX = yuv2planeX_8_c;

  1305.         if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)

  1306.             *yuv2nv12cX = yuv2nv12cX_c;

  1307.     }

  1308. 

  1309.     if(c->flags & SWS_FULL_CHR_H_INT) {

  1310.         switch (dstFormat) {

  1311.             case PIX_FMT_RGBA:

  1312. #if CONFIG_SMALL

  1313.                 *yuv2packedX = yuv2rgba32_full_X_c;

  1314. #else

  1315. #if CONFIG_SWSCALE_ALPHA

  1316.                 if (c->alpPixBuf) {

  1317.                     *yuv2packedX = yuv2rgba32_full_X_c;

  1318.                 } else

  1319. #endif /* CONFIG_SWSCALE_ALPHA */

  1320.                 {

  1321.                     *yuv2packedX = yuv2rgbx32_full_X_c;

  1322.                 }

  1323. #endif /* !CONFIG_SMALL */

  1324.                 break;

  1325.             case PIX_FMT_ARGB:

  1326. #if CONFIG_SMALL

  1327.                 *yuv2packedX = yuv2argb32_full_X_c;

  1328. #else

  1329. #if CONFIG_SWSCALE_ALPHA

  1330.                 if (c->alpPixBuf) {

  1331.                     *yuv2packedX = yuv2argb32_full_X_c;

  1332.                 } else

  1333. #endif /* CONFIG_SWSCALE_ALPHA */

  1334.                 {

  1335.                     *yuv2packedX = yuv2xrgb32_full_X_c;

  1336.                 }

  1337. #endif /* !CONFIG_SMALL */

  1338.                 break;

  1339.             case PIX_FMT_BGRA:

  1340. #if CONFIG_SMALL

  1341.                 *yuv2packedX = yuv2bgra32_full_X_c;

  1342. #else

  1343. #if CONFIG_SWSCALE_ALPHA

  1344.                 if (c->alpPixBuf) {

  1345.                     *yuv2packedX = yuv2bgra32_full_X_c;

  1346.                 } else

  1347. #endif /* CONFIG_SWSCALE_ALPHA */

  1348.                 {

  1349.                     *yuv2packedX = yuv2bgrx32_full_X_c;

  1350.                 }

  1351. #endif /* !CONFIG_SMALL */

  1352.                 break;

  1353.             case PIX_FMT_ABGR:

  1354. #if CONFIG_SMALL

  1355.                 *yuv2packedX = yuv2abgr32_full_X_c;

  1356. #else

  1357. #if CONFIG_SWSCALE_ALPHA

  1358.                 if (c->alpPixBuf) {

  1359.                     *yuv2packedX = yuv2abgr32_full_X_c;

  1360.                 } else

  1361. #endif /* CONFIG_SWSCALE_ALPHA */

  1362.                 {

  1363.                     *yuv2packedX = yuv2xbgr32_full_X_c;

  1364.                 }

  1365. #endif /* !CONFIG_SMALL */

  1366.                 break;

  1367.             case PIX_FMT_RGB24:

  1368.             *yuv2packedX = yuv2rgb24_full_X_c;

  1369.             break;

  1370.         case PIX_FMT_BGR24:

  1371.             *yuv2packedX = yuv2bgr24_full_X_c;

  1372.             break;

  1373.         }

  1374.     } else {

  1375.         switch (dstFormat) {

  1376.         case PIX_FMT_RGB48LE:

  1377.             *yuv2packed1 = yuv2rgb48le_1_c;

  1378.             *yuv2packed2 = yuv2rgb48le_2_c;

  1379.             *yuv2packedX = yuv2rgb48le_X_c;

  1380.             break;

  1381.         case PIX_FMT_RGB48BE:

  1382.             *yuv2packed1 = yuv2rgb48be_1_c;

  1383.             *yuv2packed2 = yuv2rgb48be_2_c;

  1384.             *yuv2packedX = yuv2rgb48be_X_c;

  1385.             break;

  1386.         case PIX_FMT_BGR48LE:

  1387.             *yuv2packed1 = yuv2bgr48le_1_c;

  1388.             *yuv2packed2 = yuv2bgr48le_2_c;

  1389.             *yuv2packedX = yuv2bgr48le_X_c;

  1390.             break;

  1391.         case PIX_FMT_BGR48BE:

  1392.             *yuv2packed1 = yuv2bgr48be_1_c;

  1393.             *yuv2packed2 = yuv2bgr48be_2_c;

  1394.             *yuv2packedX = yuv2bgr48be_X_c;

  1395.             break;

  1396.         case PIX_FMT_RGB32:

  1397.         case PIX_FMT_BGR32:

  1398. #if CONFIG_SMALL

  1399.             *yuv2packed1 = yuv2rgb32_1_c;

  1400.             *yuv2packed2 = yuv2rgb32_2_c;

  1401.             *yuv2packedX = yuv2rgb32_X_c;

  1402. #else

  1403. #if CONFIG_SWSCALE_ALPHA

  1404.                 if (c->alpPixBuf) {

  1405.                     *yuv2packed1 = yuv2rgba32_1_c;

  1406.                     *yuv2packed2 = yuv2rgba32_2_c;

  1407.                     *yuv2packedX = yuv2rgba32_X_c;

  1408.                 } else

  1409. #endif /* CONFIG_SWSCALE_ALPHA */

  1410.                 {

  1411.                     *yuv2packed1 = yuv2rgbx32_1_c;

  1412.                     *yuv2packed2 = yuv2rgbx32_2_c;

  1413.                     *yuv2packedX = yuv2rgbx32_X_c;

  1414.                 }

  1415. #endif /* !CONFIG_SMALL */

  1416.             break;

  1417.         case PIX_FMT_RGB32_1:

  1418.         case PIX_FMT_BGR32_1:

  1419. #if CONFIG_SMALL

  1420.                 *yuv2packed1 = yuv2rgb32_1_1_c;

  1421.                 *yuv2packed2 = yuv2rgb32_1_2_c;

  1422.                 *yuv2packedX = yuv2rgb32_1_X_c;

  1423. #else

  1424. #if CONFIG_SWSCALE_ALPHA

  1425.                 if (c->alpPixBuf) {

  1426.                     *yuv2packed1 = yuv2rgba32_1_1_c;

  1427.                     *yuv2packed2 = yuv2rgba32_1_2_c;

  1428.                     *yuv2packedX = yuv2rgba32_1_X_c;

  1429.                 } else

  1430. #endif /* CONFIG_SWSCALE_ALPHA */

  1431.                 {

  1432.                     *yuv2packed1 = yuv2rgbx32_1_1_c;

  1433.                     *yuv2packed2 = yuv2rgbx32_1_2_c;

  1434.                     *yuv2packedX = yuv2rgbx32_1_X_c;

  1435.                 }

  1436. #endif /* !CONFIG_SMALL */

  1437.                 break;

  1438.         case PIX_FMT_RGB24:

  1439.             *yuv2packed1 = yuv2rgb24_1_c;

  1440.             *yuv2packed2 = yuv2rgb24_2_c;

  1441.             *yuv2packedX = yuv2rgb24_X_c;

  1442.             break;

  1443.         case PIX_FMT_BGR24:

  1444.             *yuv2packed1 = yuv2bgr24_1_c;

  1445.             *yuv2packed2 = yuv2bgr24_2_c;

  1446.             *yuv2packedX = yuv2bgr24_X_c;

  1447.             break;

  1448.         case PIX_FMT_RGB565LE:

  1449.         case PIX_FMT_RGB565BE:

  1450.         case PIX_FMT_BGR565LE:

  1451.         case PIX_FMT_BGR565BE:

  1452.             *yuv2packed1 = yuv2rgb16_1_c;

  1453.             *yuv2packed2 = yuv2rgb16_2_c;

  1454.             *yuv2packedX = yuv2rgb16_X_c;

  1455.             break;

  1456.         case PIX_FMT_RGB555LE:

  1457.         case PIX_FMT_RGB555BE:

  1458.         case PIX_FMT_BGR555LE:

  1459.         case PIX_FMT_BGR555BE:

  1460.             *yuv2packed1 = yuv2rgb15_1_c;

  1461.             *yuv2packed2 = yuv2rgb15_2_c;

  1462.             *yuv2packedX = yuv2rgb15_X_c;

  1463.             break;

  1464.         case PIX_FMT_RGB444LE:

  1465.         case PIX_FMT_RGB444BE:

  1466.         case PIX_FMT_BGR444LE:

  1467.         case PIX_FMT_BGR444BE:

  1468.             *yuv2packed1 = yuv2rgb12_1_c;

  1469.             *yuv2packed2 = yuv2rgb12_2_c;

  1470.             *yuv2packedX = yuv2rgb12_X_c;

  1471.             break;

  1472.         case PIX_FMT_RGB8:

  1473.         case PIX_FMT_BGR8:

  1474.             *yuv2packed1 = yuv2rgb8_1_c;

  1475.             *yuv2packed2 = yuv2rgb8_2_c;

  1476.             *yuv2packedX = yuv2rgb8_X_c;

  1477.             break;

  1478.         case PIX_FMT_RGB4:

  1479.         case PIX_FMT_BGR4:

  1480.             *yuv2packed1 = yuv2rgb4_1_c;

  1481.             *yuv2packed2 = yuv2rgb4_2_c;

  1482.             *yuv2packedX = yuv2rgb4_X_c;

  1483.             break;

  1484.         case PIX_FMT_RGB4_BYTE:

  1485.         case PIX_FMT_BGR4_BYTE:

  1486.             *yuv2packed1 = yuv2rgb4b_1_c;

  1487.             *yuv2packed2 = yuv2rgb4b_2_c;

  1488.             *yuv2packedX = yuv2rgb4b_X_c;

  1489.             break;

  1490.         }

  1491.     }

  1492.     switch (dstFormat) {

  1493.     case PIX_FMT_GRAY16BE:

  1494.         *yuv2packed1 = yuv2gray16BE_1_c;

  1495.         *yuv2packed2 = yuv2gray16BE_2_c;

  1496.         *yuv2packedX = yuv2gray16BE_X_c;

  1497.         break;

  1498.     case PIX_FMT_GRAY16LE:

  1499.         *yuv2packed1 = yuv2gray16LE_1_c;

  1500.         *yuv2packed2 = yuv2gray16LE_2_c;

  1501.         *yuv2packedX = yuv2gray16LE_X_c;

  1502.         break;

  1503.     case PIX_FMT_MONOWHITE:

  1504.         *yuv2packed1 = yuv2monowhite_1_c;

  1505.         *yuv2packed2 = yuv2monowhite_2_c;

  1506.         *yuv2packedX = yuv2monowhite_X_c;

  1507.         break;

  1508.     case PIX_FMT_MONOBLACK:

  1509.         *yuv2packed1 = yuv2monoblack_1_c;

  1510.         *yuv2packed2 = yuv2monoblack_2_c;

  1511.         *yuv2packedX = yuv2monoblack_X_c;

  1512.         break;

  1513.     case PIX_FMT_YUYV422:

  1514.         *yuv2packed1 = yuv2yuyv422_1_c;

  1515.         *yuv2packed2 = yuv2yuyv422_2_c;

  1516.         *yuv2packedX = yuv2yuyv422_X_c;

  1517.         break;

  1518.     case PIX_FMT_UYVY422:

  1519.         *yuv2packed1 = yuv2uyvy422_1_c;

  1520.         *yuv2packed2 = yuv2uyvy422_2_c;

  1521.         *yuv2packedX = yuv2uyvy422_X_c;

  1522.         break;

  1523.     }

  1524. }