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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/attributes.h"

  28. #include "libavutil/avutil.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, ff_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, ff_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, ff_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, ff_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, ff_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, ff_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, ff_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 = 19 - output_bits;

  140. 

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

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

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

  144.     }

  145. }

  146. 

  147. static av_always_inline void

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

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

  150.                          int big_endian, int output_bits)

  151. {

  152.     int i;

  153.     int shift = 15 + 16 - output_bits;

  154. 

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

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

  157.         int j;

  158. 

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

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

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

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

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

  164.         val -= 0x40000000;

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

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

  167. 

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

  169.     }

  170. }

  171. 

  172. #undef output_pixel

  173. 

  174. #define output_pixel(pos, val) \

  175.     if (big_endian) { \

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

  177.     } else { \

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

  179.     }

  180. 

  181. static av_always_inline void

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

  183.                          int big_endian, int output_bits)

  184. {

  185.     int i;

  186.     int shift = 15 - output_bits;

  187. 

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

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

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

  191.     }

  192. }

  193. 

  194. static av_always_inline void

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

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

  197.                          int big_endian, int output_bits)

  198. {

  199.     int i;

  200.     int shift = 11 + 16 - output_bits;

  201. 

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

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

  204.         int j;

  205. 

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

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

  208. 

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

  210.     }

  211. }

  212. 

  213. #undef output_pixel

  214. 

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

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

  217.                               uint8_t *dest, int dstW, \

  218.                               const uint8_t *dither, int offset)\

  219. { \

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

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

  222. }\

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

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

  225.                               const uint8_t *dither, int offset)\

  226. { \

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

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

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

  230. }

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

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

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

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

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

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

  237. 

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

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

  240.                            const uint8_t *dither, int offset)

  241. {

  242.     int i;

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

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

  245.         int j;

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

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

  248. 

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

  250.     }

  251. }

  252. 

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

  254.                            const uint8_t *dither, int offset)

  255. {

  256.     int i;

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

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

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

  260.     }

  261. }

  262. 

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

  264.                         const int16_t **chrUSrc, const int16_t **chrVSrc,

  265.                         uint8_t *dest, int chrDstW)

  266. {

  267.     enum AVPixelFormat dstFormat = c->dstFormat;

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

  269.     int i;

  270. 

  271.     if (dstFormat == AV_PIX_FMT_NV12)

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

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

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

  275.             int j;

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

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

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

  279.             }

  280. 

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

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

  283.         }

  284.     else

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

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

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

  288.             int j;

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

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

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

  292.             }

  293. 

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

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

  296.         }

  297. }

  298. 

  299. #define accumulate_bit(acc, val) \

  300.     acc <<= 1; \

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

  302. #define output_pixel(pos, acc) \

  303.     if (target == AV_PIX_FMT_MONOBLACK) { \

  304.         pos = acc; \

  305.     } else { \

  306.         pos = ~acc; \

  307.     }

  308. 

  309. static av_always_inline void

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

  311.                       const int16_t **lumSrc, int lumFilterSize,

  312.                       const int16_t *chrFilter, const int16_t **chrUSrc,

  313.                       const int16_t **chrVSrc, int chrFilterSize,

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

  315.                       int y, enum AVPixelFormat target)

  316. {

  317.     const uint8_t * const d128 = ff_dither_8x8_220[y&7];

  318.     int i;

  319.     unsigned acc = 0;

  320. 

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

  322.         int j;

  323.         int Y1 = 1 << 18;

  324.         int Y2 = 1 << 18;

  325. 

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

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

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

  329.         }

  330.         Y1 >>= 19;

  331.         Y2 >>= 19;

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

  333.             Y1 = av_clip_uint8(Y1);

  334.             Y2 = av_clip_uint8(Y2);

  335.         }

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

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

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

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

  340.         }

  341.     }

  342. 

  343.     if (i & 6) {

  344.         output_pixel(*dest, acc);

  345.     }

  346. }

  347. 

  348. static av_always_inline void

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

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

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

  352.                       int yalpha, int uvalpha, int y,

  353.                       enum AVPixelFormat target)

  354. {

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

  356.     const uint8_t * const d128 = ff_dither_8x8_220[y & 7];

  357.     int  yalpha1 = 4096 - yalpha;

  358.     int i;

  359. 

  360.     for (i = 0; i < dstW; i += 8) {

  361.         int Y, acc = 0;

  362. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  379. 

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

  381.     }

  382. }

  383. 

  384. static av_always_inline void

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

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

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

  388.                       int uvalpha, int y, enum AVPixelFormat target)

  389. {

  390.     const uint8_t * const d128 = ff_dither_8x8_220[y & 7];

  391.     int i;

  392. 

  393.     for (i = 0; i < dstW; i += 8) {

  394.         int acc = 0;

  395. 

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

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

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

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

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

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

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

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

  404. 

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

  406.     }

  407. }

  408. 

  409. #undef output_pixel

  410. #undef accumulate_bit

  411. 

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

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

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

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

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

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

  418.                                 int y) \

  419. { \

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

  421.                                   chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

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

  423. } \

  424.  \

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

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

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

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

  429. { \

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

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

  432. } \

  433.  \

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

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

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

  437.                                 int uvalpha, int y) \

  438. { \

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

  440.                                   abuf0, dest, dstW, uvalpha, \

  441.                                   y, fmt); \

  442. }

  443. 

  444. YUV2PACKEDWRAPPER(yuv2mono,, white, AV_PIX_FMT_MONOWHITE)

  445. YUV2PACKEDWRAPPER(yuv2mono,, black, AV_PIX_FMT_MONOBLACK)

  446. 

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

  448.     if (target == AV_PIX_FMT_YUYV422) { \

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

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

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

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

  453.     } else { \

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

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

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

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

  458.     }

  459. 

  460. static av_always_inline void

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

  462.                      const int16_t **lumSrc, int lumFilterSize,

  463.                      const int16_t *chrFilter, const int16_t **chrUSrc,

  464.                      const int16_t **chrVSrc, int chrFilterSize,

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

  466.                      int y, enum AVPixelFormat target)

  467. {

  468.     int i;

  469. 

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

  471.         int j;

  472.         int Y1 = 1 << 18;

  473.         int Y2 = 1 << 18;

  474.         int U  = 1 << 18;

  475.         int V  = 1 << 18;

  476. 

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

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

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

  480.         }

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

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

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

  484.         }

  485.         Y1 >>= 19;

  486.         Y2 >>= 19;

  487.         U  >>= 19;

  488.         V  >>= 19;

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

  490.             Y1 = av_clip_uint8(Y1);

  491.             Y2 = av_clip_uint8(Y2);

  492.             U  = av_clip_uint8(U);

  493.             V  = av_clip_uint8(V);

  494.         }

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

  496.     }

  497. }

  498. 

  499. static av_always_inline void

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

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

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

  503.                      int yalpha, int uvalpha, int y,

  504.                      enum AVPixelFormat target)

  505. {

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

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

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

  509.     int  yalpha1 = 4096 - yalpha;

  510.     int uvalpha1 = 4096 - uvalpha;

  511.     int i;

  512. 

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

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

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

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

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

  518. 

  519.         Y1 = av_clip_uint8(Y1);

  520.         Y2 = av_clip_uint8(Y2);

  521.         U  = av_clip_uint8(U);

  522.         V  = av_clip_uint8(V);

  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 AVPixelFormat 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) >> 1); i++) {

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

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

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

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

  543. 

  544.             Y1 = av_clip_uint8(Y1);

  545.             Y2 = av_clip_uint8(Y2);

  546.             U  = av_clip_uint8(U);

  547.             V  = av_clip_uint8(V);

  548. 

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

  550.         }

  551.     } else {

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

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

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

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

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

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

  558. 

  559.             Y1 = av_clip_uint8(Y1);

  560.             Y2 = av_clip_uint8(Y2);

  561.             U  = av_clip_uint8(U);

  562.             V  = av_clip_uint8(V);

  563. 

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

  565.         }

  566.     }

  567. }

  568. 

  569. #undef output_pixels

  570. 

  571. YUV2PACKEDWRAPPER(yuv2, 422, yuyv422, AV_PIX_FMT_YUYV422)

  572. YUV2PACKEDWRAPPER(yuv2, 422, uyvy422, AV_PIX_FMT_UYVY422)

  573. 

  574. #define R_B ((target == AV_PIX_FMT_RGB48LE || target == AV_PIX_FMT_RGB48BE) ? R : B)

  575. #define B_R ((target == AV_PIX_FMT_RGB48LE || target == AV_PIX_FMT_RGB48BE) ? B : R)

  576. #define output_pixel(pos, val) \

  577.     if (isBE(target)) { \

  578.         AV_WB16(pos, val); \

  579.     } else { \

  580.         AV_WL16(pos, val); \

  581.     }

  582. 

  583. static av_always_inline void

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

  585.                        const int32_t **lumSrc, int lumFilterSize,

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

  587.                        const int32_t **chrVSrc, int chrFilterSize,

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

  589.                        int y, enum AVPixelFormat target)

  590. {

  591.     int i;

  592. 

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

  594.         int j;

  595.         int Y1 = -0x40000000;

  596.         int Y2 = -0x40000000;

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

  598.         int V  = -128 << 23;

  599.         int R, G, B;

  600. 

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

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

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

  604.         }

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

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

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

  608.         }

  609. 

  610.         // 8bit: 12+15=27; 16-bit: 12+19=31

  611.         Y1 >>= 14; // 10

  612.         Y1 += 0x10000;

  613.         Y2 >>= 14;

  614.         Y2 += 0x10000;

  615.         U  >>= 14;

  616.         V  >>= 14;

  617. 

  618.         // 8bit: 27 -> 17bit, 16bit: 31 - 14 = 17bit

  619.         Y1 -= c->yuv2rgb_y_offset;

  620.         Y2 -= c->yuv2rgb_y_offset;

  621.         Y1 *= c->yuv2rgb_y_coeff;

  622.         Y2 *= c->yuv2rgb_y_coeff;

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

  624.         Y2 += 1 << 13;

  625.         // 8bit: 17 + 13bit = 30bit, 16bit: 17 + 13bit = 30bit

  626. 

  627.         R = V * c->yuv2rgb_v2r_coeff;

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

  629.         B =                            U * c->yuv2rgb_u2b_coeff;

  630. 

  631.         // 8bit: 30 - 22 = 8bit, 16bit: 30bit - 14 = 16bit

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

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

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

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

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

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

  638.         dest += 6;

  639.     }

  640. }

  641. 

  642. static av_always_inline void

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

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

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

  646.                        int yalpha, int uvalpha, int y,

  647.                        enum AVPixelFormat target)

  648. {

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

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

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

  652.     int  yalpha1 = 4096 - yalpha;

  653.     int uvalpha1 = 4096 - uvalpha;

  654.     int i;

  655. 

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

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

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

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

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

  661.         int R, G, B;

  662. 

  663.         Y1 -= c->yuv2rgb_y_offset;

  664.         Y2 -= c->yuv2rgb_y_offset;

  665.         Y1 *= c->yuv2rgb_y_coeff;

  666.         Y2 *= c->yuv2rgb_y_coeff;

  667.         Y1 += 1 << 13;

  668.         Y2 += 1 << 13;

  669. 

  670.         R = V * c->yuv2rgb_v2r_coeff;

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

  672.         B =                            U * c->yuv2rgb_u2b_coeff;

  673. 

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

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

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

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

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

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

  680.         dest += 6;

  681.     }

  682. }

  683. 

  684. static av_always_inline void

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

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

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

  688.                        int uvalpha, int y, enum AVPixelFormat target)

  689. {

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

  691.     int i;

  692. 

  693.     if (uvalpha < 2048) {

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

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

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

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

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

  699.             int R, G, B;

  700. 

  701.             Y1 -= c->yuv2rgb_y_offset;

  702.             Y2 -= c->yuv2rgb_y_offset;

  703.             Y1 *= c->yuv2rgb_y_coeff;

  704.             Y2 *= c->yuv2rgb_y_coeff;

  705.             Y1 += 1 << 13;

  706.             Y2 += 1 << 13;

  707. 

  708.             R = V * c->yuv2rgb_v2r_coeff;

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

  710.             B =                            U * c->yuv2rgb_u2b_coeff;

  711. 

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

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

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

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

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

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

  718.             dest += 6;

  719.         }

  720.     } else {

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

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

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

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

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

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

  727.             int R, G, B;

  728. 

  729.             Y1 -= c->yuv2rgb_y_offset;

  730.             Y2 -= c->yuv2rgb_y_offset;

  731.             Y1 *= c->yuv2rgb_y_coeff;

  732.             Y2 *= c->yuv2rgb_y_coeff;

  733.             Y1 += 1 << 13;

  734.             Y2 += 1 << 13;

  735. 

  736.             R = V * c->yuv2rgb_v2r_coeff;

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

  738.             B =                            U * c->yuv2rgb_u2b_coeff;

  739. 

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

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

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

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

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

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

  746.             dest += 6;

  747.         }

  748.     }

  749. }

  750. 

  751. #undef output_pixel

  752. #undef r_b

  753. #undef b_r

  754. 

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

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

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

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

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

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

  761.                         int y) \

  762. { \

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

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

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

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

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

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

  769.                           chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

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

  771. } \

  772.  \

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

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

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

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

  777. { \

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

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

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

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

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

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

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

  785. } \

  786.  \

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

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

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

  790.                         int uvalpha, int y) \

  791. { \

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

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

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

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

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

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

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

  799. }

  800. 

  801. YUV2PACKED16WRAPPER(yuv2, rgb48, rgb48be, AV_PIX_FMT_RGB48BE)

  802. YUV2PACKED16WRAPPER(yuv2, rgb48, rgb48le, AV_PIX_FMT_RGB48LE)

  803. YUV2PACKED16WRAPPER(yuv2, rgb48, bgr48be, AV_PIX_FMT_BGR48BE)

  804. YUV2PACKED16WRAPPER(yuv2, rgb48, bgr48le, AV_PIX_FMT_BGR48LE)

  805. 

  806. /*

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

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

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

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

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

  812.  * correct RGB values into the destination buffer.

  813.  */

  814. static av_always_inline void

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

  816.               unsigned A1, unsigned A2,

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

  818.               enum AVPixelFormat target, int hasAlpha)

  819. {

  820.     if (target == AV_PIX_FMT_ARGB || target == AV_PIX_FMT_RGBA ||

  821.         target == AV_PIX_FMT_ABGR || target == AV_PIX_FMT_BGRA) {

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

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

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

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

  826. 

  827. #if CONFIG_SMALL

  828.         int sh = hasAlpha ? ((target == AV_PIX_FMT_RGB32_1 || target == AV_PIX_FMT_BGR32_1) ? 0 : 24) : 0;

  829. 

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

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

  832. #else

  833.         if (hasAlpha) {

  834.             int sh = (target == AV_PIX_FMT_RGB32_1 || target == AV_PIX_FMT_BGR32_1) ? 0 : 24;

  835. 

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

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

  838.         } else {

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

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

  841.         }

  842. #endif

  843.     } else if (target == AV_PIX_FMT_RGB24 || target == AV_PIX_FMT_BGR24) {

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

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

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

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

  848. 

  849. #define r_b ((target == AV_PIX_FMT_RGB24) ? r : b)

  850. #define b_r ((target == AV_PIX_FMT_RGB24) ? b : r)

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

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

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

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

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

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

  857. #undef r_b

  858. #undef b_r

  859.     } else if (target == AV_PIX_FMT_RGB565 || target == AV_PIX_FMT_BGR565 ||

  860.                target == AV_PIX_FMT_RGB555 || target == AV_PIX_FMT_BGR555 ||

  861.                target == AV_PIX_FMT_RGB444 || target == AV_PIX_FMT_BGR444) {

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

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

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

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

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

  867. 

  868.         if (target == AV_PIX_FMT_RGB565 || target == AV_PIX_FMT_BGR565) {

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

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

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

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

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

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

  875.         } else if (target == AV_PIX_FMT_RGB555 || target == AV_PIX_FMT_BGR555) {

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

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

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

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

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

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

  882.         } else {

  883.             dr1 = ff_dither_4x4_16[ y & 3     ][0];

  884.             dg1 = ff_dither_4x4_16[ y & 3     ][1];

  885.             db1 = ff_dither_4x4_16[(y & 3) ^ 3][0];

  886.             dr2 = ff_dither_4x4_16[ y & 3     ][1];

  887.             dg2 = ff_dither_4x4_16[ y & 3     ][0];

  888.             db2 = ff_dither_4x4_16[(y & 3) ^ 3][1];

  889.         }

  890. 

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

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

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

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

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

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

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

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

  899. 

  900.         if (target == AV_PIX_FMT_RGB8 || target == AV_PIX_FMT_BGR8) {

  901.             const uint8_t * const d64 = ff_dither_8x8_73[y & 7];

  902.             const uint8_t * const d32 = ff_dither_8x8_32[y & 7];

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

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

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

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

  907.         } else {

  908.             const uint8_t * const d64  = ff_dither_8x8_73 [y & 7];

  909.             const uint8_t * const d128 = ff_dither_8x8_220[y & 7];

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

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

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

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

  914.         }

  915. 

  916.         if (target == AV_PIX_FMT_RGB4 || target == AV_PIX_FMT_BGR4) {

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

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

  919.         } else {

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

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

  922.         }

  923.     }

  924. }

  925. 

  926. static av_always_inline void

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

  928.                      const int16_t **lumSrc, int lumFilterSize,

  929.                      const int16_t *chrFilter, const int16_t **chrUSrc,

  930.                      const int16_t **chrVSrc, int chrFilterSize,

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

  932.                      int y, enum AVPixelFormat target, int hasAlpha)

  933. {

  934.     int i;

  935. 

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

  937.         int j, A1, A2;

  938.         int Y1 = 1 << 18;

  939.         int Y2 = 1 << 18;

  940.         int U  = 1 << 18;

  941.         int V  = 1 << 18;

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

  943. 

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

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

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

  947.         }

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

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

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

  951.         }

  952.         Y1 >>= 19;

  953.         Y2 >>= 19;

  954.         U  >>= 19;

  955.         V  >>= 19;

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

  957.             Y1 = av_clip_uint8(Y1);

  958.             Y2 = av_clip_uint8(Y2);

  959.             U  = av_clip_uint8(U);

  960.             V  = av_clip_uint8(V);

  961.         }

  962.         if (hasAlpha) {

  963.             A1 = 1 << 18;

  964.             A2 = 1 << 18;

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

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

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

  968.             }

  969.             A1 >>= 19;

  970.             A2 >>= 19;

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

  972.                 A1 = av_clip_uint8(A1);

  973.                 A2 = av_clip_uint8(A2);

  974.             }

  975.         }

  976. 

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

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

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

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

  981. 

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

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

  984.     }

  985. }

  986. 

  987. static av_always_inline void

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

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

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

  991.                      int yalpha, int uvalpha, int y,

  992.                      enum AVPixelFormat target, int hasAlpha)

  993. {

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

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

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

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

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

  999.     int  yalpha1 = 4096 - yalpha;

  1000.     int uvalpha1 = 4096 - uvalpha;

  1001.     int i;

  1002. 

  1003.     for (i = 0; i < ((dstW + 1) >> 1); i++) {

  1004.         int Y1 = (buf0[i * 2]     * yalpha1  + buf1[i * 2]     * yalpha)  >> 19;

  1005.         int Y2 = (buf0[i * 2 + 1] * yalpha1  + buf1[i * 2 + 1] * yalpha)  >> 19;

  1006.         int U  = (ubuf0[i]        * uvalpha1 + ubuf1[i]        * uvalpha) >> 19;

  1007.         int V  = (vbuf0[i]        * uvalpha1 + vbuf1[i]        * uvalpha) >> 19;

  1008.         int A1, A2;

  1009.         const void *r, *g, *b;

  1010. 

  1011.         Y1 = av_clip_uint8(Y1);

  1012.         Y2 = av_clip_uint8(Y2);

  1013.         U  = av_clip_uint8(U);

  1014.         V  = av_clip_uint8(V);

  1015. 

  1016.         r =  c->table_rV[V];

  1017.         g = (c->table_gU[U] + c->table_gV[V]);

  1018.         b =  c->table_bU[U];

  1019. 

  1020.         if (hasAlpha) {

  1021.             A1 = (abuf0[i * 2    ] * yalpha1 + abuf1[i * 2    ] * yalpha) >> 19;

  1022.             A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 19;

  1023.             A1 = av_clip_uint8(A1);

  1024.             A2 = av_clip_uint8(A2);

  1025.         }

  1026. 

  1027.         yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1028.                       r, g, b, y, target, hasAlpha);

  1029.     }

  1030. }

  1031. 

  1032. static av_always_inline void

  1033. yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,

  1034.                      const int16_t *ubuf[2], const int16_t *vbuf[2],

  1035.                      const int16_t *abuf0, uint8_t *dest, int dstW,

  1036.                      int uvalpha, int y, enum AVPixelFormat target,

  1037.                      int hasAlpha)

  1038. {

  1039.     const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];

  1040.     int i;

  1041. 

  1042.     if (uvalpha < 2048) {

  1043.         for (i = 0; i < ((dstW + 1) >> 1); i++) {

  1044.             int Y1 = buf0[i * 2]     >> 7;

  1045.             int Y2 = buf0[i * 2 + 1] >> 7;

  1046.             int U  = ubuf0[i]        >> 7;

  1047.             int V  = vbuf0[i]        >> 7;

  1048.             int A1, A2;

  1049.             const void *r, *g, *b;

  1050. 

  1051.             Y1 = av_clip_uint8(Y1);

  1052.             Y2 = av_clip_uint8(Y2);

  1053.             U  = av_clip_uint8(U);

  1054.             V  = av_clip_uint8(V);

  1055. 

  1056.             r =  c->table_rV[V];

  1057.             g = (c->table_gU[U] + c->table_gV[V]);

  1058.             b =  c->table_bU[U];

  1059. 

  1060.             if (hasAlpha) {

  1061.                 A1 = abuf0[i * 2    ] >> 7;

  1062.                 A2 = abuf0[i * 2 + 1] >> 7;

  1063.                 A1 = av_clip_uint8(A1);

  1064.                 A2 = av_clip_uint8(A2);

  1065.             }

  1066. 

  1067.             yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1068.                           r, g, b, y, target, hasAlpha);

  1069.         }

  1070.     } else {

  1071.         const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];

  1072.         for (i = 0; i < ((dstW + 1) >> 1); i++) {

  1073.             int Y1 =  buf0[i * 2]          >> 7;

  1074.             int Y2 =  buf0[i * 2 + 1]      >> 7;

  1075.             int U  = (ubuf0[i] + ubuf1[i]) >> 8;

  1076.             int V  = (vbuf0[i] + vbuf1[i]) >> 8;

  1077.             int A1, A2;

  1078.             const void *r, *g, *b;

  1079. 

  1080.             Y1 = av_clip_uint8(Y1);

  1081.             Y2 = av_clip_uint8(Y2);

  1082.             U  = av_clip_uint8(U);

  1083.             V  = av_clip_uint8(V);

  1084. 

  1085.             r =  c->table_rV[V];

  1086.             g = (c->table_gU[U] + c->table_gV[V]);

  1087.             b =  c->table_bU[U];

  1088. 

  1089.             if (hasAlpha) {

  1090.                 A1 = abuf0[i * 2    ] >> 7;

  1091.                 A2 = abuf0[i * 2 + 1] >> 7;

  1092.                 A1 = av_clip_uint8(A1);

  1093.                 A2 = av_clip_uint8(A2);

  1094.             }

  1095. 

  1096.             yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1097.                           r, g, b, y, target, hasAlpha);

  1098.         }

  1099.     }

  1100. }

  1101. 

  1102. #define YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \

  1103. static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \

  1104.                                 const int16_t **lumSrc, int lumFilterSize, \

  1105.                                 const int16_t *chrFilter, const int16_t **chrUSrc, \

  1106.                                 const int16_t **chrVSrc, int chrFilterSize, \

  1107.                                 const int16_t **alpSrc, uint8_t *dest, int dstW, \

  1108.                                 int y) \

  1109. { \

  1110.     name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \

  1111.                                   chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

  1112.                                   alpSrc, dest, dstW, y, fmt, hasAlpha); \

  1113. }

  1114. #define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \

  1115. YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \

  1116. static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \

  1117.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  1118.                                 const int16_t *abuf[2], uint8_t *dest, int dstW, \

  1119.                                 int yalpha, int uvalpha, int y) \

  1120. { \

  1121.     name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \

  1122.                                   dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha); \

  1123. } \

  1124.  \

  1125. static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \

  1126.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  1127.                                 const int16_t *abuf0, uint8_t *dest, int dstW, \

  1128.                                 int uvalpha, int y) \

  1129. { \

  1130.     name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \

  1131.                                   dstW, uvalpha, y, fmt, hasAlpha); \

  1132. }

  1133. 

  1134. #if CONFIG_SMALL

  1135. YUV2RGBWRAPPER(yuv2rgb,,  32_1,  AV_PIX_FMT_RGB32_1,   CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1136. YUV2RGBWRAPPER(yuv2rgb,,  32,    AV_PIX_FMT_RGB32,     CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1137. #else

  1138. #if CONFIG_SWSCALE_ALPHA

  1139. YUV2RGBWRAPPER(yuv2rgb,, a32_1,  AV_PIX_FMT_RGB32_1,   1)

  1140. YUV2RGBWRAPPER(yuv2rgb,, a32,    AV_PIX_FMT_RGB32,     1)

  1141. #endif

  1142. YUV2RGBWRAPPER(yuv2rgb,, x32_1,  AV_PIX_FMT_RGB32_1,   0)

  1143. YUV2RGBWRAPPER(yuv2rgb,, x32,    AV_PIX_FMT_RGB32,     0)

  1144. #endif

  1145. YUV2RGBWRAPPER(yuv2, rgb, rgb24, AV_PIX_FMT_RGB24,   0)

  1146. YUV2RGBWRAPPER(yuv2, rgb, bgr24, AV_PIX_FMT_BGR24,   0)

  1147. YUV2RGBWRAPPER(yuv2rgb,,  16,    AV_PIX_FMT_RGB565,    0)

  1148. YUV2RGBWRAPPER(yuv2rgb,,  15,    AV_PIX_FMT_RGB555,    0)

  1149. YUV2RGBWRAPPER(yuv2rgb,,  12,    AV_PIX_FMT_RGB444,    0)

  1150. YUV2RGBWRAPPER(yuv2rgb,,   8,    AV_PIX_FMT_RGB8,      0)

  1151. YUV2RGBWRAPPER(yuv2rgb,,   4,    AV_PIX_FMT_RGB4,      0)

  1152. YUV2RGBWRAPPER(yuv2rgb,,   4b,   AV_PIX_FMT_RGB4_BYTE, 0)

  1153. 

  1154. static av_always_inline void

  1155. yuv2rgb_full_X_c_template(SwsContext *c, const int16_t *lumFilter,

  1156.                           const int16_t **lumSrc, int lumFilterSize,

  1157.                           const int16_t *chrFilter, const int16_t **chrUSrc,

  1158.                           const int16_t **chrVSrc, int chrFilterSize,

  1159.                           const int16_t **alpSrc, uint8_t *dest,

  1160.                           int dstW, int y, enum AVPixelFormat target, int hasAlpha)

  1161. {

  1162.     int i;

  1163.     int step = (target == AV_PIX_FMT_RGB24 || target == AV_PIX_FMT_BGR24) ? 3 : 4;

  1164. 

  1165.     for (i = 0; i < dstW; i++) {

  1166.         int j;

  1167.         int Y = 0;

  1168.         int U = -128 << 19;

  1169.         int V = -128 << 19;

  1170.         int R, G, B, A;

  1171. 

  1172.         for (j = 0; j < lumFilterSize; j++) {

  1173.             Y += lumSrc[j][i] * lumFilter[j];

  1174.         }

  1175.         for (j = 0; j < chrFilterSize; j++) {

  1176.             U += chrUSrc[j][i] * chrFilter[j];

  1177.             V += chrVSrc[j][i] * chrFilter[j];

  1178.         }

  1179.         Y >>= 10;

  1180.         U >>= 10;

  1181.         V >>= 10;

  1182.         if (hasAlpha) {

  1183.             A = 1 << 21;

  1184.             for (j = 0; j < lumFilterSize; j++) {

  1185.                 A += alpSrc[j][i] * lumFilter[j];

  1186.             }

  1187.             A >>= 19;

  1188.             if (A & 0x100)

  1189.                 A = av_clip_uint8(A);

  1190.         }

  1191.         Y -= c->yuv2rgb_y_offset;

  1192.         Y *= c->yuv2rgb_y_coeff;

  1193.         Y += 1 << 21;

  1194.         R = Y + V*c->yuv2rgb_v2r_coeff;

  1195.         G = Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;

  1196.         B = Y +                          U*c->yuv2rgb_u2b_coeff;

  1197.         if ((R | G | B) & 0xC0000000) {

  1198.             R = av_clip_uintp2(R, 30);

  1199.             G = av_clip_uintp2(G, 30);

  1200.             B = av_clip_uintp2(B, 30);

  1201.         }

  1202. 

  1203.         switch(target) {

  1204.         case AV_PIX_FMT_ARGB:

  1205.             dest[0] = hasAlpha ? A : 255;

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

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

  1208.             dest[3] = B >> 22;

  1209.             break;

  1210.         case AV_PIX_FMT_RGB24:

  1211.             dest[0] = R >> 22;

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

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

  1214.             break;

  1215.         case AV_PIX_FMT_RGBA:

  1216.             dest[0] = R >> 22;

  1217.             dest[1] = G >> 22;

  1218.             dest[2] = B >> 22;

  1219.             dest[3] = hasAlpha ? A : 255;

  1220.             break;

  1221.         case AV_PIX_FMT_ABGR:

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

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

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

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

  1226.             dest += 4;

  1227.             break;

  1228.         case AV_PIX_FMT_BGR24:

  1229.             dest[0] = B >> 22;

  1230.             dest[1] = G >> 22;

  1231.             dest[2] = R >> 22;

  1232.             break;

  1233.         case AV_PIX_FMT_BGRA:

  1234.             dest[0] = B >> 22;

  1235.             dest[1] = G >> 22;

  1236.             dest[2] = R >> 22;

  1237.             dest[3] = hasAlpha ? A : 255;

  1238.             break;

  1239.         }

  1240.         dest += step;

  1241.     }

  1242. }

  1243. 

  1244. #if CONFIG_SMALL

  1245. YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, AV_PIX_FMT_BGRA,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1246. YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, AV_PIX_FMT_ABGR,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1247. YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, AV_PIX_FMT_RGBA,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1248. YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, AV_PIX_FMT_ARGB,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1249. #else

  1250. #if CONFIG_SWSCALE_ALPHA

  1251. YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, AV_PIX_FMT_BGRA,  1)

  1252. YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, AV_PIX_FMT_ABGR,  1)

  1253. YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, AV_PIX_FMT_RGBA,  1)

  1254. YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, AV_PIX_FMT_ARGB,  1)

  1255. #endif

  1256. YUV2RGBWRAPPERX(yuv2, rgb_full, bgrx32_full, AV_PIX_FMT_BGRA,  0)

  1257. YUV2RGBWRAPPERX(yuv2, rgb_full, xbgr32_full, AV_PIX_FMT_ABGR,  0)

  1258. YUV2RGBWRAPPERX(yuv2, rgb_full, rgbx32_full, AV_PIX_FMT_RGBA,  0)

  1259. YUV2RGBWRAPPERX(yuv2, rgb_full, xrgb32_full, AV_PIX_FMT_ARGB,  0)

  1260. #endif

  1261. YUV2RGBWRAPPERX(yuv2, rgb_full, bgr24_full,  AV_PIX_FMT_BGR24, 0)

  1262. YUV2RGBWRAPPERX(yuv2, rgb_full, rgb24_full,  AV_PIX_FMT_RGB24, 0)

  1263. 

  1264. static void

  1265. yuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter,

  1266.                   const int16_t **lumSrc, int lumFilterSize,

  1267.                   const int16_t *chrFilter, const int16_t **chrUSrc,

  1268.                   const int16_t **chrVSrc, int chrFilterSize,

  1269.                   const int16_t **alpSrc, uint8_t **dest,

  1270.                   int dstW, int y)

  1271. {

  1272.     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->dstFormat);

  1273.     int i;

  1274.     int hasAlpha = 0;

  1275.     uint16_t **dest16 = (uint16_t**)dest;

  1276.     int SH = 22 + 7 - desc->comp[0].depth_minus1;

  1277. 

  1278.     for (i = 0; i < dstW; i++) {

  1279.         int j;

  1280.         int Y = 1 << 9;

  1281.         int U = (1 << 9) - (128 << 19);

  1282.         int V = (1 << 9) - (128 << 19);

  1283.         int R, G, B, A;

  1284. 

  1285.         for (j = 0; j < lumFilterSize; j++)

  1286.             Y += lumSrc[j][i] * lumFilter[j];

  1287. 

  1288.         for (j = 0; j < chrFilterSize; j++) {

  1289.             U += chrUSrc[j][i] * chrFilter[j];

  1290.             V += chrVSrc[j][i] * chrFilter[j];

  1291.         }

  1292. 

  1293.         Y >>= 10;

  1294.         U >>= 10;

  1295.         V >>= 10;

  1296. 

  1297.         if (hasAlpha) {

  1298.             A = 1 << 18;

  1299. 

  1300.             for (j = 0; j < lumFilterSize; j++)

  1301.                 A += alpSrc[j][i] * lumFilter[j];

  1302. 

  1303.             A >>= 19;

  1304. 

  1305.             if (A & 0x100)

  1306.                 A = av_clip_uint8(A);

  1307.         }

  1308. 

  1309.         Y -= c->yuv2rgb_y_offset;

  1310.         Y *= c->yuv2rgb_y_coeff;

  1311.         Y += 1 << 21;

  1312.         R = Y + V * c->yuv2rgb_v2r_coeff;

  1313.         G = Y + V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;

  1314.         B = Y +                            U * c->yuv2rgb_u2b_coeff;

  1315. 

  1316.         if ((R | G | B) & 0xC0000000) {

  1317.             R = av_clip_uintp2(R, 30);

  1318.             G = av_clip_uintp2(G, 30);

  1319.             B = av_clip_uintp2(B, 30);

  1320.         }

  1321. 

  1322.         if (SH != 22) {

  1323.             dest16[0][i] = G >> SH;

  1324.             dest16[1][i] = B >> SH;

  1325.             dest16[2][i] = R >> SH;

  1326.         } else {

  1327.             dest[0][i] = G >> 22;

  1328.             dest[1][i] = B >> 22;

  1329.             dest[2][i] = R >> 22;

  1330.         }

  1331.     }

  1332.     if (SH != 22 && (!isBE(c->dstFormat)) != (!HAVE_BIGENDIAN)) {

  1333.         for (i = 0; i < dstW; i++) {

  1334.             dest16[0][i] = av_bswap16(dest16[0][i]);

  1335.             dest16[1][i] = av_bswap16(dest16[1][i]);

  1336.             dest16[2][i] = av_bswap16(dest16[2][i]);

  1337.         }

  1338.     }

  1339. }

  1340. 

  1341. av_cold void ff_sws_init_output_funcs(SwsContext *c,

  1342.                                       yuv2planar1_fn *yuv2plane1,

  1343.                                       yuv2planarX_fn *yuv2planeX,

  1344.                                       yuv2interleavedX_fn *yuv2nv12cX,

  1345.                                       yuv2packed1_fn *yuv2packed1,

  1346.                                       yuv2packed2_fn *yuv2packed2,

  1347.                                       yuv2packedX_fn *yuv2packedX,

  1348.                                       yuv2anyX_fn *yuv2anyX)

  1349. {

  1350.     enum AVPixelFormat dstFormat = c->dstFormat;

  1351.     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(dstFormat);

  1352. 

  1353.     if (is16BPS(dstFormat)) {

  1354.         *yuv2planeX = isBE(dstFormat) ? yuv2planeX_16BE_c  : yuv2planeX_16LE_c;

  1355.         *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_16BE_c  : yuv2plane1_16LE_c;

  1356.     } else if (is9_OR_10BPS(dstFormat)) {

  1357.         if (desc->comp[0].depth_minus1 == 8) {

  1358.             *yuv2planeX = isBE(dstFormat) ? yuv2planeX_9BE_c  : yuv2planeX_9LE_c;

  1359.             *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_9BE_c  : yuv2plane1_9LE_c;

  1360.         } else {

  1361.             *yuv2planeX = isBE(dstFormat) ? yuv2planeX_10BE_c  : yuv2planeX_10LE_c;

  1362.             *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_10BE_c  : yuv2plane1_10LE_c;

  1363.         }

  1364.     } else {

  1365.         *yuv2plane1 = yuv2plane1_8_c;

  1366.         *yuv2planeX = yuv2planeX_8_c;

  1367.         if (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)

  1368.             *yuv2nv12cX = yuv2nv12cX_c;

  1369.     }

  1370. 

  1371.     if(c->flags & SWS_FULL_CHR_H_INT) {

  1372.         switch (dstFormat) {

  1373.             case AV_PIX_FMT_RGBA:

  1374. #if CONFIG_SMALL

  1375.                 *yuv2packedX = yuv2rgba32_full_X_c;

  1376. #else

  1377. #if CONFIG_SWSCALE_ALPHA

  1378.                 if (c->alpPixBuf) {

  1379.                     *yuv2packedX = yuv2rgba32_full_X_c;

  1380.                 } else

  1381. #endif /* CONFIG_SWSCALE_ALPHA */

  1382.                 {

  1383.                     *yuv2packedX = yuv2rgbx32_full_X_c;

  1384.                 }

  1385. #endif /* !CONFIG_SMALL */

  1386.                 break;

  1387.             case AV_PIX_FMT_ARGB:

  1388. #if CONFIG_SMALL

  1389.                 *yuv2packedX = yuv2argb32_full_X_c;

  1390. #else

  1391. #if CONFIG_SWSCALE_ALPHA

  1392.                 if (c->alpPixBuf) {

  1393.                     *yuv2packedX = yuv2argb32_full_X_c;

  1394.                 } else

  1395. #endif /* CONFIG_SWSCALE_ALPHA */

  1396.                 {

  1397.                     *yuv2packedX = yuv2xrgb32_full_X_c;

  1398.                 }

  1399. #endif /* !CONFIG_SMALL */

  1400.                 break;

  1401.             case AV_PIX_FMT_BGRA:

  1402. #if CONFIG_SMALL

  1403.                 *yuv2packedX = yuv2bgra32_full_X_c;

  1404. #else

  1405. #if CONFIG_SWSCALE_ALPHA

  1406.                 if (c->alpPixBuf) {

  1407.                     *yuv2packedX = yuv2bgra32_full_X_c;

  1408.                 } else

  1409. #endif /* CONFIG_SWSCALE_ALPHA */

  1410.                 {

  1411.                     *yuv2packedX = yuv2bgrx32_full_X_c;

  1412.                 }

  1413. #endif /* !CONFIG_SMALL */

  1414.                 break;

  1415.             case AV_PIX_FMT_ABGR:

  1416. #if CONFIG_SMALL

  1417.                 *yuv2packedX = yuv2abgr32_full_X_c;

  1418. #else

  1419. #if CONFIG_SWSCALE_ALPHA

  1420.                 if (c->alpPixBuf) {

  1421.                     *yuv2packedX = yuv2abgr32_full_X_c;

  1422.                 } else

  1423. #endif /* CONFIG_SWSCALE_ALPHA */

  1424.                 {

  1425.                     *yuv2packedX = yuv2xbgr32_full_X_c;

  1426.                 }

  1427. #endif /* !CONFIG_SMALL */

  1428.                 break;

  1429.             case AV_PIX_FMT_RGB24:

  1430.             *yuv2packedX = yuv2rgb24_full_X_c;

  1431.             break;

  1432.         case AV_PIX_FMT_BGR24:

  1433.             *yuv2packedX = yuv2bgr24_full_X_c;

  1434.             break;

  1435.         case AV_PIX_FMT_GBRP:

  1436.         case AV_PIX_FMT_GBRP9BE:

  1437.         case AV_PIX_FMT_GBRP9LE:

  1438.         case AV_PIX_FMT_GBRP10BE:

  1439.         case AV_PIX_FMT_GBRP10LE:

  1440.         case AV_PIX_FMT_GBRP16BE:

  1441.         case AV_PIX_FMT_GBRP16LE:

  1442.             *yuv2anyX = yuv2gbrp_full_X_c;

  1443.             break;

  1444.         }

  1445.     } else {

  1446.         switch (dstFormat) {

  1447.         case AV_PIX_FMT_RGB48LE:

  1448.             *yuv2packed1 = yuv2rgb48le_1_c;

  1449.             *yuv2packed2 = yuv2rgb48le_2_c;

  1450.             *yuv2packedX = yuv2rgb48le_X_c;

  1451.             break;

  1452.         case AV_PIX_FMT_RGB48BE:

  1453.             *yuv2packed1 = yuv2rgb48be_1_c;

  1454.             *yuv2packed2 = yuv2rgb48be_2_c;

  1455.             *yuv2packedX = yuv2rgb48be_X_c;

  1456.             break;

  1457.         case AV_PIX_FMT_BGR48LE:

  1458.             *yuv2packed1 = yuv2bgr48le_1_c;

  1459.             *yuv2packed2 = yuv2bgr48le_2_c;

  1460.             *yuv2packedX = yuv2bgr48le_X_c;

  1461.             break;

  1462.         case AV_PIX_FMT_BGR48BE:

  1463.             *yuv2packed1 = yuv2bgr48be_1_c;

  1464.             *yuv2packed2 = yuv2bgr48be_2_c;

  1465.             *yuv2packedX = yuv2bgr48be_X_c;

  1466.             break;

  1467.         case AV_PIX_FMT_RGB32:

  1468.         case AV_PIX_FMT_BGR32:

  1469. #if CONFIG_SMALL

  1470.             *yuv2packed1 = yuv2rgb32_1_c;

  1471.             *yuv2packed2 = yuv2rgb32_2_c;

  1472.             *yuv2packedX = yuv2rgb32_X_c;

  1473. #else

  1474. #if CONFIG_SWSCALE_ALPHA

  1475.                 if (c->alpPixBuf) {

  1476.                     *yuv2packed1 = yuv2rgba32_1_c;

  1477.                     *yuv2packed2 = yuv2rgba32_2_c;

  1478.                     *yuv2packedX = yuv2rgba32_X_c;

  1479.                 } else

  1480. #endif /* CONFIG_SWSCALE_ALPHA */

  1481.                 {

  1482.                     *yuv2packed1 = yuv2rgbx32_1_c;

  1483.                     *yuv2packed2 = yuv2rgbx32_2_c;

  1484.                     *yuv2packedX = yuv2rgbx32_X_c;

  1485.                 }

  1486. #endif /* !CONFIG_SMALL */

  1487.             break;

  1488.         case AV_PIX_FMT_RGB32_1:

  1489.         case AV_PIX_FMT_BGR32_1:

  1490. #if CONFIG_SMALL

  1491.                 *yuv2packed1 = yuv2rgb32_1_1_c;

  1492.                 *yuv2packed2 = yuv2rgb32_1_2_c;

  1493.                 *yuv2packedX = yuv2rgb32_1_X_c;

  1494. #else

  1495. #if CONFIG_SWSCALE_ALPHA

  1496.                 if (c->alpPixBuf) {

  1497.                     *yuv2packed1 = yuv2rgba32_1_1_c;

  1498.                     *yuv2packed2 = yuv2rgba32_1_2_c;

  1499.                     *yuv2packedX = yuv2rgba32_1_X_c;

  1500.                 } else

  1501. #endif /* CONFIG_SWSCALE_ALPHA */

  1502.                 {

  1503.                     *yuv2packed1 = yuv2rgbx32_1_1_c;

  1504.                     *yuv2packed2 = yuv2rgbx32_1_2_c;

  1505.                     *yuv2packedX = yuv2rgbx32_1_X_c;

  1506.                 }

  1507. #endif /* !CONFIG_SMALL */

  1508.                 break;

  1509.         case AV_PIX_FMT_RGB24:

  1510.             *yuv2packed1 = yuv2rgb24_1_c;

  1511.             *yuv2packed2 = yuv2rgb24_2_c;

  1512.             *yuv2packedX = yuv2rgb24_X_c;

  1513.             break;

  1514.         case AV_PIX_FMT_BGR24:

  1515.             *yuv2packed1 = yuv2bgr24_1_c;

  1516.             *yuv2packed2 = yuv2bgr24_2_c;

  1517.             *yuv2packedX = yuv2bgr24_X_c;

  1518.             break;

  1519.         case AV_PIX_FMT_RGB565LE:

  1520.         case AV_PIX_FMT_RGB565BE:

  1521.         case AV_PIX_FMT_BGR565LE:

  1522.         case AV_PIX_FMT_BGR565BE:

  1523.             *yuv2packed1 = yuv2rgb16_1_c;

  1524.             *yuv2packed2 = yuv2rgb16_2_c;

  1525.             *yuv2packedX = yuv2rgb16_X_c;

  1526.             break;

  1527.         case AV_PIX_FMT_RGB555LE:

  1528.         case AV_PIX_FMT_RGB555BE:

  1529.         case AV_PIX_FMT_BGR555LE:

  1530.         case AV_PIX_FMT_BGR555BE:

  1531.             *yuv2packed1 = yuv2rgb15_1_c;

  1532.             *yuv2packed2 = yuv2rgb15_2_c;

  1533.             *yuv2packedX = yuv2rgb15_X_c;

  1534.             break;

  1535.         case AV_PIX_FMT_RGB444LE:

  1536.         case AV_PIX_FMT_RGB444BE:

  1537.         case AV_PIX_FMT_BGR444LE:

  1538.         case AV_PIX_FMT_BGR444BE:

  1539.             *yuv2packed1 = yuv2rgb12_1_c;

  1540.             *yuv2packed2 = yuv2rgb12_2_c;

  1541.             *yuv2packedX = yuv2rgb12_X_c;

  1542.             break;

  1543.         case AV_PIX_FMT_RGB8:

  1544.         case AV_PIX_FMT_BGR8:

  1545.             *yuv2packed1 = yuv2rgb8_1_c;

  1546.             *yuv2packed2 = yuv2rgb8_2_c;

  1547.             *yuv2packedX = yuv2rgb8_X_c;

  1548.             break;

  1549.         case AV_PIX_FMT_RGB4:

  1550.         case AV_PIX_FMT_BGR4:

  1551.             *yuv2packed1 = yuv2rgb4_1_c;

  1552.             *yuv2packed2 = yuv2rgb4_2_c;

  1553.             *yuv2packedX = yuv2rgb4_X_c;

  1554.             break;

  1555.         case AV_PIX_FMT_RGB4_BYTE:

  1556.         case AV_PIX_FMT_BGR4_BYTE:

  1557.             *yuv2packed1 = yuv2rgb4b_1_c;

  1558.             *yuv2packed2 = yuv2rgb4b_2_c;

  1559.             *yuv2packedX = yuv2rgb4b_X_c;

  1560.             break;

  1561.         }

  1562.     }

  1563.     switch (dstFormat) {

  1564.     case AV_PIX_FMT_MONOWHITE:

  1565.         *yuv2packed1 = yuv2monowhite_1_c;

  1566.         *yuv2packed2 = yuv2monowhite_2_c;

  1567.         *yuv2packedX = yuv2monowhite_X_c;

  1568.         break;

  1569.     case AV_PIX_FMT_MONOBLACK:

  1570.         *yuv2packed1 = yuv2monoblack_1_c;

  1571.         *yuv2packed2 = yuv2monoblack_2_c;

  1572.         *yuv2packedX = yuv2monoblack_X_c;

  1573.         break;

  1574.     case AV_PIX_FMT_YUYV422:

  1575.         *yuv2packed1 = yuv2yuyv422_1_c;

  1576.         *yuv2packed2 = yuv2yuyv422_2_c;

  1577.         *yuv2packedX = yuv2yuyv422_X_c;

  1578.         break;

  1579.     case AV_PIX_FMT_UYVY422:

  1580.         *yuv2packed1 = yuv2uyvy422_1_c;

  1581.         *yuv2packed2 = yuv2uyvy422_2_c;

  1582.         *yuv2packedX = yuv2uyvy422_X_c;

  1583.         break;

  1584.     }

  1585. }