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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 <math.h>

  22. #include <stdint.h>

  23. #include <stdio.h>

  24. #include <string.h>

  25. 

  26. #include "libavutil/attributes.h"

  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, ff_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, ff_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, ff_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, ff_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, ff_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, ff_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, ff_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 AVPixelFormat dstFormat = c->dstFormat;

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

  268.     int i;

  269. 

  270.     if (dstFormat == AV_PIX_FMT_NV12)

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

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

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

  274.             int j;

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

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

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

  278.             }

  279. 

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

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

  282.         }

  283.     else

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

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

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

  287.             int j;

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

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

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

  291.             }

  292. 

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

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

  295.         }

  296. }

  297. 

  298. #define accumulate_bit(acc, val) \

  299.     acc <<= 1; \

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

  301. #define output_pixel(pos, acc) \

  302.     if (target == AV_PIX_FMT_MONOBLACK) { \

  303.         pos = acc; \

  304.     } else { \

  305.         pos = ~acc; \

  306.     }

  307. 

  308. static av_always_inline void

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

  310.                       const int16_t **lumSrc, int lumFilterSize,

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

  312.                       const int16_t **chrVSrc, int chrFilterSize,

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

  314.                       int y, enum AVPixelFormat target)

  315. {

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

  317.     int i;

  318.     unsigned acc = 0;

  319. 

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

  321.         int j;

  322.         int Y1 = 1 << 18;

  323.         int Y2 = 1 << 18;

  324. 

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

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

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

  328.         }

  329.         Y1 >>= 19;

  330.         Y2 >>= 19;

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

  332.             Y1 = av_clip_uint8(Y1);

  333.             Y2 = av_clip_uint8(Y2);

  334.         }

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

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

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

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

  339.         }

  340.     }

  341. 

  342.     if (i & 6) {

  343.         output_pixel(*dest, acc);

  344.     }

  345. }

  346. 

  347. static av_always_inline void

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

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

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

  351.                       int yalpha, int uvalpha, int y,

  352.                       enum AVPixelFormat target)

  353. {

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

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

  356.     int  yalpha1 = 4096 - yalpha;

  357.     int i;

  358. 

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

  360.         int Y, acc = 0;

  361. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  378. 

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

  380.     }

  381. }

  382. 

  383. static av_always_inline void

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

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

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

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

  388. {

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

  390.     int i;

  391. 

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

  393.         int acc = 0;

  394. 

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

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

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

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

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

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

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

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

  403. 

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

  405.     }

  406. }

  407. 

  408. #undef output_pixel

  409. #undef accumulate_bit

  410. 

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

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

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

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

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

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

  417.                                 int y) \

  418. { \

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

  420.                                   chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

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

  422. } \

  423.  \

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

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

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

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

  428. { \

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

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

  431. } \

  432.  \

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

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

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

  436.                                 int uvalpha, int y) \

  437. { \

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

  439.                                   abuf0, dest, dstW, uvalpha, \

  440.                                   y, fmt); \

  441. }

  442. 

  443. YUV2PACKEDWRAPPER(yuv2mono,, white, AV_PIX_FMT_MONOWHITE)

  444. YUV2PACKEDWRAPPER(yuv2mono,, black, AV_PIX_FMT_MONOBLACK)

  445. 

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

  447.     if (target == AV_PIX_FMT_YUYV422) { \

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

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

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

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

  452.     } else if (target == AV_PIX_FMT_YVYU422) { \

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

  454.         dest[pos + 1] = V;  \

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

  456.         dest[pos + 3] = U;  \

  457.     } else { /* AV_PIX_FMT_UYVY422 */ \

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

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

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

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

  462.     }

  463. 

  464. static av_always_inline void

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

  466.                      const int16_t **lumSrc, int lumFilterSize,

  467.                      const int16_t *chrFilter, const int16_t **chrUSrc,

  468.                      const int16_t **chrVSrc, int chrFilterSize,

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

  470.                      int y, enum AVPixelFormat target)

  471. {

  472.     int i;

  473. 

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

  475.         int j;

  476.         int Y1 = 1 << 18;

  477.         int Y2 = 1 << 18;

  478.         int U  = 1 << 18;

  479.         int V  = 1 << 18;

  480. 

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

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

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

  484.         }

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

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

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

  488.         }

  489.         Y1 >>= 19;

  490.         Y2 >>= 19;

  491.         U  >>= 19;

  492.         V  >>= 19;

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

  494.             Y1 = av_clip_uint8(Y1);

  495.             Y2 = av_clip_uint8(Y2);

  496.             U  = av_clip_uint8(U);

  497.             V  = av_clip_uint8(V);

  498.         }

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

  500.     }

  501. }

  502. 

  503. static av_always_inline void

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

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

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

  507.                      int yalpha, int uvalpha, int y,

  508.                      enum AVPixelFormat target)

  509. {

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

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

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

  513.     int  yalpha1 = 4096 - yalpha;

  514.     int uvalpha1 = 4096 - uvalpha;

  515.     int i;

  516. 

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

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

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

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

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

  522. 

  523.         Y1 = av_clip_uint8(Y1);

  524.         Y2 = av_clip_uint8(Y2);

  525.         U  = av_clip_uint8(U);

  526.         V  = av_clip_uint8(V);

  527. 

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

  529.     }

  530. }

  531. 

  532. static av_always_inline void

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

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

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

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

  537. {

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

  539.     int i;

  540. 

  541.     if (uvalpha < 2048) {

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

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

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

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

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

  547. 

  548.             Y1 = av_clip_uint8(Y1);

  549.             Y2 = av_clip_uint8(Y2);

  550.             U  = av_clip_uint8(U);

  551.             V  = av_clip_uint8(V);

  552. 

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

  554.         }

  555.     } else {

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

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

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

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

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

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

  562. 

  563.             Y1 = av_clip_uint8(Y1);

  564.             Y2 = av_clip_uint8(Y2);

  565.             U  = av_clip_uint8(U);

  566.             V  = av_clip_uint8(V);

  567. 

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

  569.         }

  570.     }

  571. }

  572. 

  573. #undef output_pixels

  574. 

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

  576. YUV2PACKEDWRAPPER(yuv2, 422, yvyu422, AV_PIX_FMT_YVYU422)

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

  578. 

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

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

  581. #define output_pixel(pos, val) \

  582.     if (isBE(target)) { \

  583.         AV_WB16(pos, val); \

  584.     } else { \

  585.         AV_WL16(pos, val); \

  586.     }

  587. 

  588. static av_always_inline void

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

  590.                        const int32_t **lumSrc, int lumFilterSize,

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

  592.                        const int32_t **chrVSrc, int chrFilterSize,

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

  594.                        int y, enum AVPixelFormat target)

  595. {

  596.     int i;

  597. 

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

  599.         int j;

  600.         int Y1 = -0x40000000;

  601.         int Y2 = -0x40000000;

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

  603.         int V  = -128 << 23;

  604.         int R, G, B;

  605. 

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

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

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

  609.         }

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

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

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

  613.         }

  614. 

  615.         // 8 bits: 12+15=27; 16 bits: 12+19=31

  616.         Y1 >>= 14; // 10

  617.         Y1 += 0x10000;

  618.         Y2 >>= 14;

  619.         Y2 += 0x10000;

  620.         U  >>= 14;

  621.         V  >>= 14;

  622. 

  623.         // 8 bits: 27 -> 17 bits, 16 bits: 31 - 14 = 17 bits

  624.         Y1 -= c->yuv2rgb_y_offset;

  625.         Y2 -= c->yuv2rgb_y_offset;

  626.         Y1 *= c->yuv2rgb_y_coeff;

  627.         Y2 *= c->yuv2rgb_y_coeff;

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

  629.         Y2 += 1 << 13;

  630.         // 8 bits: 17 + 13 bits = 30 bits, 16 bits: 17 + 13 bits = 30 bits

  631. 

  632.         R = V * c->yuv2rgb_v2r_coeff;

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

  634.         B =                            U * c->yuv2rgb_u2b_coeff;

  635. 

  636.         // 8 bits: 30 - 22 = 8 bits, 16 bits: 30 bits - 14 = 16 bits

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

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

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

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

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

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

  643.         dest += 6;

  644.     }

  645. }

  646. 

  647. static av_always_inline void

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

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

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

  651.                        int yalpha, int uvalpha, int y,

  652.                        enum AVPixelFormat target)

  653. {

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

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

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

  657.     int  yalpha1 = 4096 - yalpha;

  658.     int uvalpha1 = 4096 - uvalpha;

  659.     int i;

  660. 

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

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

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

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

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

  666.         int R, G, B;

  667. 

  668.         Y1 -= c->yuv2rgb_y_offset;

  669.         Y2 -= c->yuv2rgb_y_offset;

  670.         Y1 *= c->yuv2rgb_y_coeff;

  671.         Y2 *= c->yuv2rgb_y_coeff;

  672.         Y1 += 1 << 13;

  673.         Y2 += 1 << 13;

  674. 

  675.         R = V * c->yuv2rgb_v2r_coeff;

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

  677.         B =                            U * c->yuv2rgb_u2b_coeff;

  678. 

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

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

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

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

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

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

  685.         dest += 6;

  686.     }

  687. }

  688. 

  689. static av_always_inline void

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

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

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

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

  694. {

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

  696.     int i;

  697. 

  698.     if (uvalpha < 2048) {

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

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

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

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

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

  704.             int R, G, B;

  705. 

  706.             Y1 -= c->yuv2rgb_y_offset;

  707.             Y2 -= c->yuv2rgb_y_offset;

  708.             Y1 *= c->yuv2rgb_y_coeff;

  709.             Y2 *= c->yuv2rgb_y_coeff;

  710.             Y1 += 1 << 13;

  711.             Y2 += 1 << 13;

  712. 

  713.             R = V * c->yuv2rgb_v2r_coeff;

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

  715.             B =                            U * c->yuv2rgb_u2b_coeff;

  716. 

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

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

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

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

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

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

  723.             dest += 6;

  724.         }

  725.     } else {

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

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

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

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

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

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

  732.             int R, G, B;

  733. 

  734.             Y1 -= c->yuv2rgb_y_offset;

  735.             Y2 -= c->yuv2rgb_y_offset;

  736.             Y1 *= c->yuv2rgb_y_coeff;

  737.             Y2 *= c->yuv2rgb_y_coeff;

  738.             Y1 += 1 << 13;

  739.             Y2 += 1 << 13;

  740. 

  741.             R = V * c->yuv2rgb_v2r_coeff;

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

  743.             B =                            U * c->yuv2rgb_u2b_coeff;

  744. 

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

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

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

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

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

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

  751.             dest += 6;

  752.         }

  753.     }

  754. }

  755. 

  756. #undef output_pixel

  757. #undef r_b

  758. #undef b_r

  759. 

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

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

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

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

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

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

  766.                         int y) \

  767. { \

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

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

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

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

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

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

  774.                           chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

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

  776. } \

  777.  \

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

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

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

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

  782. { \

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

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

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

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

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

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

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

  790. } \

  791.  \

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

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

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

  795.                         int uvalpha, int y) \

  796. { \

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

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

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

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

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

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

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

  804. }

  805. 

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

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

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

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

  810. 

  811. /*

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

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

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

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

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

  817.  * correct RGB values into the destination buffer.

  818.  */

  819. static av_always_inline void

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

  821.               unsigned A1, unsigned A2,

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

  823.               enum AVPixelFormat target, int hasAlpha)

  824. {

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

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

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

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

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

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

  831. 

  832. #if CONFIG_SMALL

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

  834. 

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

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

  837. #else

  838.         if (hasAlpha) {

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

  840. 

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

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

  843.         } else {

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

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

  846.         }

  847. #endif

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

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

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

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

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

  853. 

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

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

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

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

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

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

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

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

  862. #undef r_b

  863. #undef b_r

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

  865.                target == AV_PIX_FMT_RGB555 || target == AV_PIX_FMT_BGR555 ||

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

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

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

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

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

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

  872. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  887.         } else {

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

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

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

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

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

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

  894.         }

  895. 

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

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

  898.     } else /* 8/4 bits */ {

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

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

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

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

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

  904. 

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

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

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

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

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

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

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

  912.         } else {

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

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

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

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

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

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

  919.         }

  920. 

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

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

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

  924.         } else {

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

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

  927.         }

  928.     }

  929. }

  930. 

  931. static av_always_inline void

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

  933.                      const int16_t **lumSrc, int lumFilterSize,

  934.                      const int16_t *chrFilter, const int16_t **chrUSrc,

  935.                      const int16_t **chrVSrc, int chrFilterSize,

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

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

  938. {

  939.     int i;

  940. 

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

  942.         int j, A1, A2;

  943.         int Y1 = 1 << 18;

  944.         int Y2 = 1 << 18;

  945.         int U  = 1 << 18;

  946.         int V  = 1 << 18;

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

  948. 

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

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

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

  952.         }

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

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

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

  956.         }

  957.         Y1 >>= 19;

  958.         Y2 >>= 19;

  959.         U  >>= 19;

  960.         V  >>= 19;

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

  962.             Y1 = av_clip_uint8(Y1);

  963.             Y2 = av_clip_uint8(Y2);

  964.             U  = av_clip_uint8(U);

  965.             V  = av_clip_uint8(V);

  966.         }

  967.         if (hasAlpha) {

  968.             A1 = 1 << 18;

  969.             A2 = 1 << 18;

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

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

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

  973.             }

  974.             A1 >>= 19;

  975.             A2 >>= 19;

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

  977.                 A1 = av_clip_uint8(A1);

  978.                 A2 = av_clip_uint8(A2);

  979.             }

  980.         }

  981. 

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

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

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

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

  986. 

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

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

  989.     }

  990. }

  991. 

  992. static av_always_inline void

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

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

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

  996.                      int yalpha, int uvalpha, int y,

  997.                      enum AVPixelFormat target, int hasAlpha)

  998. {

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

  1000.                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],

  1001.                   *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],

  1002.                   *abuf0 = hasAlpha ? abuf[0] : NULL,

  1003.                   *abuf1 = hasAlpha ? abuf[1] : NULL;

  1004.     int  yalpha1 = 4096 - yalpha;

  1005.     int uvalpha1 = 4096 - uvalpha;

  1006.     int i;

  1007. 

  1008.     for (i = 0; i < ((dstW + 1) >> 1); i++) {

  1009.         int Y1 = (buf0[i * 2]     * yalpha1  + buf1[i * 2]     * yalpha)  >> 19;

  1010.         int Y2 = (buf0[i * 2 + 1] * yalpha1  + buf1[i * 2 + 1] * yalpha)  >> 19;

  1011.         int U  = (ubuf0[i]        * uvalpha1 + ubuf1[i]        * uvalpha) >> 19;

  1012.         int V  = (vbuf0[i]        * uvalpha1 + vbuf1[i]        * uvalpha) >> 19;

  1013.         int A1, A2;

  1014.         const void *r, *g, *b;

  1015. 

  1016.         Y1 = av_clip_uint8(Y1);

  1017.         Y2 = av_clip_uint8(Y2);

  1018.         U  = av_clip_uint8(U);

  1019.         V  = av_clip_uint8(V);

  1020. 

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

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

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

  1024. 

  1025.         if (hasAlpha) {

  1026.             A1 = (abuf0[i * 2    ] * yalpha1 + abuf1[i * 2    ] * yalpha) >> 19;

  1027.             A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 19;

  1028.             A1 = av_clip_uint8(A1);

  1029.             A2 = av_clip_uint8(A2);

  1030.         }

  1031. 

  1032.         yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1033.                       r, g, b, y, target, hasAlpha);

  1034.     }

  1035. }

  1036. 

  1037. static av_always_inline void

  1038. yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,

  1039.                      const int16_t *ubuf[2], const int16_t *vbuf[2],

  1040.                      const int16_t *abuf0, uint8_t *dest, int dstW,

  1041.                      int uvalpha, int y, enum AVPixelFormat target,

  1042.                      int hasAlpha)

  1043. {

  1044.     const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];

  1045.     int i;

  1046. 

  1047.     if (uvalpha < 2048) {

  1048.         for (i = 0; i < ((dstW + 1) >> 1); i++) {

  1049.             int Y1 = buf0[i * 2]     >> 7;

  1050.             int Y2 = buf0[i * 2 + 1] >> 7;

  1051.             int U  = ubuf0[i]        >> 7;

  1052.             int V  = vbuf0[i]        >> 7;

  1053.             int A1, A2;

  1054.             const void *r, *g, *b;

  1055. 

  1056.             Y1 = av_clip_uint8(Y1);

  1057.             Y2 = av_clip_uint8(Y2);

  1058.             U  = av_clip_uint8(U);

  1059.             V  = av_clip_uint8(V);

  1060. 

  1061.             r =  c->table_rV[V];

  1062.             g = (c->table_gU[U] + c->table_gV[V]);

  1063.             b =  c->table_bU[U];

  1064. 

  1065.             if (hasAlpha) {

  1066.                 A1 = abuf0[i * 2    ] >> 7;

  1067.                 A2 = abuf0[i * 2 + 1] >> 7;

  1068.                 A1 = av_clip_uint8(A1);

  1069.                 A2 = av_clip_uint8(A2);

  1070.             }

  1071. 

  1072.             yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1073.                           r, g, b, y, target, hasAlpha);

  1074.         }

  1075.     } else {

  1076.         const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];

  1077.         for (i = 0; i < ((dstW + 1) >> 1); i++) {

  1078.             int Y1 =  buf0[i * 2]          >> 7;

  1079.             int Y2 =  buf0[i * 2 + 1]      >> 7;

  1080.             int U  = (ubuf0[i] + ubuf1[i]) >> 8;

  1081.             int V  = (vbuf0[i] + vbuf1[i]) >> 8;

  1082.             int A1, A2;

  1083.             const void *r, *g, *b;

  1084. 

  1085.             Y1 = av_clip_uint8(Y1);

  1086.             Y2 = av_clip_uint8(Y2);

  1087.             U  = av_clip_uint8(U);

  1088.             V  = av_clip_uint8(V);

  1089. 

  1090.             r =  c->table_rV[V];

  1091.             g = (c->table_gU[U] + c->table_gV[V]);

  1092.             b =  c->table_bU[U];

  1093. 

  1094.             if (hasAlpha) {

  1095.                 A1 = abuf0[i * 2    ] >> 7;

  1096.                 A2 = abuf0[i * 2 + 1] >> 7;

  1097.                 A1 = av_clip_uint8(A1);

  1098.                 A2 = av_clip_uint8(A2);

  1099.             }

  1100. 

  1101.             yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,

  1102.                           r, g, b, y, target, hasAlpha);

  1103.         }

  1104.     }

  1105. }

  1106. 

  1107. #define YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \

  1108. static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \

  1109.                                 const int16_t **lumSrc, int lumFilterSize, \

  1110.                                 const int16_t *chrFilter, const int16_t **chrUSrc, \

  1111.                                 const int16_t **chrVSrc, int chrFilterSize, \

  1112.                                 const int16_t **alpSrc, uint8_t *dest, int dstW, \

  1113.                                 int y) \

  1114. { \

  1115.     name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \

  1116.                                   chrFilter, chrUSrc, chrVSrc, chrFilterSize, \

  1117.                                   alpSrc, dest, dstW, y, fmt, hasAlpha); \

  1118. }

  1119. #define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \

  1120. YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \

  1121. static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \

  1122.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  1123.                                 const int16_t *abuf[2], uint8_t *dest, int dstW, \

  1124.                                 int yalpha, int uvalpha, int y) \

  1125. { \

  1126.     name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \

  1127.                                   dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha); \

  1128. } \

  1129.  \

  1130. static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \

  1131.                                 const int16_t *ubuf[2], const int16_t *vbuf[2], \

  1132.                                 const int16_t *abuf0, uint8_t *dest, int dstW, \

  1133.                                 int uvalpha, int y) \

  1134. { \

  1135.     name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \

  1136.                                   dstW, uvalpha, y, fmt, hasAlpha); \

  1137. }

  1138. 

  1139. #if CONFIG_SMALL

  1140. YUV2RGBWRAPPER(yuv2rgb,,  32_1,  AV_PIX_FMT_RGB32_1,   CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1141. YUV2RGBWRAPPER(yuv2rgb,,  32,    AV_PIX_FMT_RGB32,     CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1142. #else

  1143. #if CONFIG_SWSCALE_ALPHA

  1144. YUV2RGBWRAPPER(yuv2rgb,, a32_1,  AV_PIX_FMT_RGB32_1,   1)

  1145. YUV2RGBWRAPPER(yuv2rgb,, a32,    AV_PIX_FMT_RGB32,     1)

  1146. #endif

  1147. YUV2RGBWRAPPER(yuv2rgb,, x32_1,  AV_PIX_FMT_RGB32_1,   0)

  1148. YUV2RGBWRAPPER(yuv2rgb,, x32,    AV_PIX_FMT_RGB32,     0)

  1149. #endif

  1150. YUV2RGBWRAPPER(yuv2, rgb, rgb24, AV_PIX_FMT_RGB24,   0)

  1151. YUV2RGBWRAPPER(yuv2, rgb, bgr24, AV_PIX_FMT_BGR24,   0)

  1152. YUV2RGBWRAPPER(yuv2rgb,,  16,    AV_PIX_FMT_RGB565,    0)

  1153. YUV2RGBWRAPPER(yuv2rgb,,  15,    AV_PIX_FMT_RGB555,    0)

  1154. YUV2RGBWRAPPER(yuv2rgb,,  12,    AV_PIX_FMT_RGB444,    0)

  1155. YUV2RGBWRAPPER(yuv2rgb,,   8,    AV_PIX_FMT_RGB8,      0)

  1156. YUV2RGBWRAPPER(yuv2rgb,,   4,    AV_PIX_FMT_RGB4,      0)

  1157. YUV2RGBWRAPPER(yuv2rgb,,   4b,   AV_PIX_FMT_RGB4_BYTE, 0)

  1158. 

  1159. static av_always_inline void

  1160. yuv2rgb_full_X_c_template(SwsContext *c, const int16_t *lumFilter,

  1161.                           const int16_t **lumSrc, int lumFilterSize,

  1162.                           const int16_t *chrFilter, const int16_t **chrUSrc,

  1163.                           const int16_t **chrVSrc, int chrFilterSize,

  1164.                           const int16_t **alpSrc, uint8_t *dest,

  1165.                           int dstW, int y, enum AVPixelFormat target, int hasAlpha)

  1166. {

  1167.     int i;

  1168.     int step = (target == AV_PIX_FMT_RGB24 || target == AV_PIX_FMT_BGR24) ? 3 : 4;

  1169. 

  1170.     for (i = 0; i < dstW; i++) {

  1171.         int j;

  1172.         int Y = 0;

  1173.         int U = -128 << 19;

  1174.         int V = -128 << 19;

  1175.         int R, G, B, A;

  1176. 

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

  1178.             Y += lumSrc[j][i] * lumFilter[j];

  1179.         }

  1180.         for (j = 0; j < chrFilterSize; j++) {

  1181.             U += chrUSrc[j][i] * chrFilter[j];

  1182.             V += chrVSrc[j][i] * chrFilter[j];

  1183.         }

  1184.         Y >>= 10;

  1185.         U >>= 10;

  1186.         V >>= 10;

  1187.         if (hasAlpha) {

  1188.             A = 1 << 21;

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

  1190.                 A += alpSrc[j][i] * lumFilter[j];

  1191.             }

  1192.             A >>= 19;

  1193.             if (A & 0x100)

  1194.                 A = av_clip_uint8(A);

  1195.         }

  1196.         Y -= c->yuv2rgb_y_offset;

  1197.         Y *= c->yuv2rgb_y_coeff;

  1198.         Y += 1 << 21;

  1199.         R = Y + V*c->yuv2rgb_v2r_coeff;

  1200.         G = Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;

  1201.         B = Y +                          U*c->yuv2rgb_u2b_coeff;

  1202.         if ((R | G | B) & 0xC0000000) {

  1203.             R = av_clip_uintp2(R, 30);

  1204.             G = av_clip_uintp2(G, 30);

  1205.             B = av_clip_uintp2(B, 30);

  1206.         }

  1207. 

  1208.         switch(target) {

  1209.         case AV_PIX_FMT_ARGB:

  1210.             dest[0] = hasAlpha ? A : 255;

  1211.             dest[1] = R >> 22;

  1212.             dest[2] = G >> 22;

  1213.             dest[3] = B >> 22;

  1214.             break;

  1215.         case AV_PIX_FMT_RGB24:

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

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

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

  1219.             break;

  1220.         case AV_PIX_FMT_RGBA:

  1221.             dest[0] = R >> 22;

  1222.             dest[1] = G >> 22;

  1223.             dest[2] = B >> 22;

  1224.             dest[3] = hasAlpha ? A : 255;

  1225.             break;

  1226.         case AV_PIX_FMT_ABGR:

  1227.             dest[0] = hasAlpha ? A : 255;

  1228.             dest[1] = B >> 22;

  1229.             dest[2] = G >> 22;

  1230.             dest[3] = R >> 22;

  1231.             dest += 4;

  1232.             break;

  1233.         case AV_PIX_FMT_BGR24:

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

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

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

  1237.             break;

  1238.         case AV_PIX_FMT_BGRA:

  1239.             dest[0] = B >> 22;

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

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

  1242.             dest[3] = hasAlpha ? A : 255;

  1243.             break;

  1244.         }

  1245.         dest += step;

  1246.     }

  1247. }

  1248. 

  1249. #if CONFIG_SMALL

  1250. YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, AV_PIX_FMT_BGRA,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1251. YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, AV_PIX_FMT_ABGR,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1252. YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, AV_PIX_FMT_RGBA,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1253. YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, AV_PIX_FMT_ARGB,  CONFIG_SWSCALE_ALPHA && c->alpPixBuf)

  1254. #else

  1255. #if CONFIG_SWSCALE_ALPHA

  1256. YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, AV_PIX_FMT_BGRA,  1)

  1257. YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, AV_PIX_FMT_ABGR,  1)

  1258. YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, AV_PIX_FMT_RGBA,  1)

  1259. YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, AV_PIX_FMT_ARGB,  1)

  1260. #endif

  1261. YUV2RGBWRAPPERX(yuv2, rgb_full, bgrx32_full, AV_PIX_FMT_BGRA,  0)

  1262. YUV2RGBWRAPPERX(yuv2, rgb_full, xbgr32_full, AV_PIX_FMT_ABGR,  0)

  1263. YUV2RGBWRAPPERX(yuv2, rgb_full, rgbx32_full, AV_PIX_FMT_RGBA,  0)

  1264. YUV2RGBWRAPPERX(yuv2, rgb_full, xrgb32_full, AV_PIX_FMT_ARGB,  0)

  1265. #endif

  1266. YUV2RGBWRAPPERX(yuv2, rgb_full, bgr24_full,  AV_PIX_FMT_BGR24, 0)

  1267. YUV2RGBWRAPPERX(yuv2, rgb_full, rgb24_full,  AV_PIX_FMT_RGB24, 0)

  1268. 

  1269. static void

  1270. yuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter,

  1271.                   const int16_t **lumSrc, int lumFilterSize,

  1272.                   const int16_t *chrFilter, const int16_t **chrUSrc,

  1273.                   const int16_t **chrVSrc, int chrFilterSize,

  1274.                   const int16_t **alpSrc, uint8_t **dest,

  1275.                   int dstW, int y)

  1276. {

  1277.     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->dstFormat);

  1278.     int i;

  1279.     int hasAlpha = (desc->flags & AV_PIX_FMT_FLAG_ALPHA) && alpSrc;

  1280.     uint16_t **dest16 = (uint16_t**)dest;

  1281.     int SH = 22 + 8 - desc->comp[0].depth;

  1282. 

  1283.     for (i = 0; i < dstW; i++) {

  1284.         int j;

  1285.         int Y = 1 << 9;

  1286.         int U = (1 << 9) - (128 << 19);

  1287.         int V = (1 << 9) - (128 << 19);

  1288.         int R, G, B, A;

  1289. 

  1290.         for (j = 0; j < lumFilterSize; j++)

  1291.             Y += lumSrc[j][i] * lumFilter[j];

  1292. 

  1293.         for (j = 0; j < chrFilterSize; j++) {

  1294.             U += chrUSrc[j][i] * chrFilter[j];

  1295.             V += chrVSrc[j][i] * chrFilter[j];

  1296.         }

  1297. 

  1298.         Y >>= 10;

  1299.         U >>= 10;

  1300.         V >>= 10;

  1301. 

  1302.         if (hasAlpha) {

  1303.             A = 1 << 18;

  1304. 

  1305.             for (j = 0; j < lumFilterSize; j++)

  1306.                 A += alpSrc[j][i] * lumFilter[j];

  1307. 

  1308.             A >>= 19;

  1309. 

  1310.             if (A & 0x100)

  1311.                 A = av_clip_uint8(A);

  1312.         }

  1313. 

  1314.         Y -= c->yuv2rgb_y_offset;

  1315.         Y *= c->yuv2rgb_y_coeff;

  1316.         Y += 1 << 21;

  1317.         R = Y + V * c->yuv2rgb_v2r_coeff;

  1318.         G = Y + V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;

  1319.         B = Y +                            U * c->yuv2rgb_u2b_coeff;

  1320. 

  1321.         if ((R | G | B) & 0xC0000000) {

  1322.             R = av_clip_uintp2(R, 30);

  1323.             G = av_clip_uintp2(G, 30);

  1324.             B = av_clip_uintp2(B, 30);

  1325.         }

  1326. 

  1327.         if (SH != 22) {

  1328.             dest16[0][i] = G >> SH;

  1329.             dest16[1][i] = B >> SH;

  1330.             dest16[2][i] = R >> SH;

  1331.             if (hasAlpha)

  1332.                 dest16[3][i] = A;

  1333.         } else {

  1334.             dest[0][i] = G >> 22;

  1335.             dest[1][i] = B >> 22;

  1336.             dest[2][i] = R >> 22;

  1337.             if (hasAlpha)

  1338.                 dest[3][i] = A;

  1339.         }

  1340.     }

  1341.     if (SH != 22 && (!isBE(c->dstFormat)) != (!HAVE_BIGENDIAN)) {

  1342.         for (i = 0; i < dstW; i++) {

  1343.             dest16[0][i] = av_bswap16(dest16[0][i]);

  1344.             dest16[1][i] = av_bswap16(dest16[1][i]);

  1345.             dest16[2][i] = av_bswap16(dest16[2][i]);

  1346.             if (hasAlpha)

  1347.                 dest16[3][i] = av_bswap16(dest16[3][i]);

  1348.         }

  1349.     }

  1350. }

  1351. 

  1352. av_cold void ff_sws_init_output_funcs(SwsContext *c,

  1353.                                       yuv2planar1_fn *yuv2plane1,

  1354.                                       yuv2planarX_fn *yuv2planeX,

  1355.                                       yuv2interleavedX_fn *yuv2nv12cX,

  1356.                                       yuv2packed1_fn *yuv2packed1,

  1357.                                       yuv2packed2_fn *yuv2packed2,

  1358.                                       yuv2packedX_fn *yuv2packedX,

  1359.                                       yuv2anyX_fn *yuv2anyX)

  1360. {

  1361.     enum AVPixelFormat dstFormat = c->dstFormat;

  1362.     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(dstFormat);

  1363. 

  1364.     if (is16BPS(dstFormat)) {

  1365.         *yuv2planeX = isBE(dstFormat) ? yuv2planeX_16BE_c  : yuv2planeX_16LE_c;

  1366.         *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_16BE_c  : yuv2plane1_16LE_c;

  1367.     } else if (is9_OR_10BPS(dstFormat)) {

  1368.         if (desc->comp[0].depth == 9) {

  1369.             *yuv2planeX = isBE(dstFormat) ? yuv2planeX_9BE_c  : yuv2planeX_9LE_c;

  1370.             *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_9BE_c  : yuv2plane1_9LE_c;

  1371.         } else {

  1372.             *yuv2planeX = isBE(dstFormat) ? yuv2planeX_10BE_c  : yuv2planeX_10LE_c;

  1373.             *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_10BE_c  : yuv2plane1_10LE_c;

  1374.         }

  1375.     } else {

  1376.         *yuv2plane1 = yuv2plane1_8_c;

  1377.         *yuv2planeX = yuv2planeX_8_c;

  1378.         if (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)

  1379.             *yuv2nv12cX = yuv2nv12cX_c;

  1380.     }

  1381. 

  1382.     if(c->flags & SWS_FULL_CHR_H_INT) {

  1383.         switch (dstFormat) {

  1384.             case AV_PIX_FMT_RGBA:

  1385. #if CONFIG_SMALL

  1386.                 *yuv2packedX = yuv2rgba32_full_X_c;

  1387. #else

  1388. #if CONFIG_SWSCALE_ALPHA

  1389.                 if (c->alpPixBuf) {

  1390.                     *yuv2packedX = yuv2rgba32_full_X_c;

  1391.                 } else

  1392. #endif /* CONFIG_SWSCALE_ALPHA */

  1393.                 {

  1394.                     *yuv2packedX = yuv2rgbx32_full_X_c;

  1395.                 }

  1396. #endif /* !CONFIG_SMALL */

  1397.                 break;

  1398.             case AV_PIX_FMT_ARGB:

  1399. #if CONFIG_SMALL

  1400.                 *yuv2packedX = yuv2argb32_full_X_c;

  1401. #else

  1402. #if CONFIG_SWSCALE_ALPHA

  1403.                 if (c->alpPixBuf) {

  1404.                     *yuv2packedX = yuv2argb32_full_X_c;

  1405.                 } else

  1406. #endif /* CONFIG_SWSCALE_ALPHA */

  1407.                 {

  1408.                     *yuv2packedX = yuv2xrgb32_full_X_c;

  1409.                 }

  1410. #endif /* !CONFIG_SMALL */

  1411.                 break;

  1412.             case AV_PIX_FMT_BGRA:

  1413. #if CONFIG_SMALL

  1414.                 *yuv2packedX = yuv2bgra32_full_X_c;

  1415. #else

  1416. #if CONFIG_SWSCALE_ALPHA

  1417.                 if (c->alpPixBuf) {

  1418.                     *yuv2packedX = yuv2bgra32_full_X_c;

  1419.                 } else

  1420. #endif /* CONFIG_SWSCALE_ALPHA */

  1421.                 {

  1422.                     *yuv2packedX = yuv2bgrx32_full_X_c;

  1423.                 }

  1424. #endif /* !CONFIG_SMALL */

  1425.                 break;

  1426.             case AV_PIX_FMT_ABGR:

  1427. #if CONFIG_SMALL

  1428.                 *yuv2packedX = yuv2abgr32_full_X_c;

  1429. #else

  1430. #if CONFIG_SWSCALE_ALPHA

  1431.                 if (c->alpPixBuf) {

  1432.                     *yuv2packedX = yuv2abgr32_full_X_c;

  1433.                 } else

  1434. #endif /* CONFIG_SWSCALE_ALPHA */

  1435.                 {

  1436.                     *yuv2packedX = yuv2xbgr32_full_X_c;

  1437.                 }

  1438. #endif /* !CONFIG_SMALL */

  1439.                 break;

  1440.             case AV_PIX_FMT_RGB24:

  1441.             *yuv2packedX = yuv2rgb24_full_X_c;

  1442.             break;

  1443.         case AV_PIX_FMT_BGR24:

  1444.             *yuv2packedX = yuv2bgr24_full_X_c;

  1445.             break;

  1446.         case AV_PIX_FMT_GBRP:

  1447.         case AV_PIX_FMT_GBRP9BE:

  1448.         case AV_PIX_FMT_GBRP9LE:

  1449.         case AV_PIX_FMT_GBRP10BE:

  1450.         case AV_PIX_FMT_GBRP10LE:

  1451.         case AV_PIX_FMT_GBRP16BE:

  1452.         case AV_PIX_FMT_GBRP16LE:

  1453.         case AV_PIX_FMT_GBRAP:

  1454.             *yuv2anyX = yuv2gbrp_full_X_c;

  1455.             break;

  1456.         }

  1457.     } else {

  1458.         switch (dstFormat) {

  1459.         case AV_PIX_FMT_RGB48LE:

  1460.             *yuv2packed1 = yuv2rgb48le_1_c;

  1461.             *yuv2packed2 = yuv2rgb48le_2_c;

  1462.             *yuv2packedX = yuv2rgb48le_X_c;

  1463.             break;

  1464.         case AV_PIX_FMT_RGB48BE:

  1465.             *yuv2packed1 = yuv2rgb48be_1_c;

  1466.             *yuv2packed2 = yuv2rgb48be_2_c;

  1467.             *yuv2packedX = yuv2rgb48be_X_c;

  1468.             break;

  1469.         case AV_PIX_FMT_BGR48LE:

  1470.             *yuv2packed1 = yuv2bgr48le_1_c;

  1471.             *yuv2packed2 = yuv2bgr48le_2_c;

  1472.             *yuv2packedX = yuv2bgr48le_X_c;

  1473.             break;

  1474.         case AV_PIX_FMT_BGR48BE:

  1475.             *yuv2packed1 = yuv2bgr48be_1_c;

  1476.             *yuv2packed2 = yuv2bgr48be_2_c;

  1477.             *yuv2packedX = yuv2bgr48be_X_c;

  1478.             break;

  1479.         case AV_PIX_FMT_RGB32:

  1480.         case AV_PIX_FMT_BGR32:

  1481. #if CONFIG_SMALL

  1482.             *yuv2packed1 = yuv2rgb32_1_c;

  1483.             *yuv2packed2 = yuv2rgb32_2_c;

  1484.             *yuv2packedX = yuv2rgb32_X_c;

  1485. #else

  1486. #if CONFIG_SWSCALE_ALPHA

  1487.                 if (c->alpPixBuf) {

  1488.                     *yuv2packed1 = yuv2rgba32_1_c;

  1489.                     *yuv2packed2 = yuv2rgba32_2_c;

  1490.                     *yuv2packedX = yuv2rgba32_X_c;

  1491.                 } else

  1492. #endif /* CONFIG_SWSCALE_ALPHA */

  1493.                 {

  1494.                     *yuv2packed1 = yuv2rgbx32_1_c;

  1495.                     *yuv2packed2 = yuv2rgbx32_2_c;

  1496.                     *yuv2packedX = yuv2rgbx32_X_c;

  1497.                 }

  1498. #endif /* !CONFIG_SMALL */

  1499.             break;

  1500.         case AV_PIX_FMT_RGB32_1:

  1501.         case AV_PIX_FMT_BGR32_1:

  1502. #if CONFIG_SMALL

  1503.                 *yuv2packed1 = yuv2rgb32_1_1_c;

  1504.                 *yuv2packed2 = yuv2rgb32_1_2_c;

  1505.                 *yuv2packedX = yuv2rgb32_1_X_c;

  1506. #else

  1507. #if CONFIG_SWSCALE_ALPHA

  1508.                 if (c->alpPixBuf) {

  1509.                     *yuv2packed1 = yuv2rgba32_1_1_c;

  1510.                     *yuv2packed2 = yuv2rgba32_1_2_c;

  1511.                     *yuv2packedX = yuv2rgba32_1_X_c;

  1512.                 } else

  1513. #endif /* CONFIG_SWSCALE_ALPHA */

  1514.                 {

  1515.                     *yuv2packed1 = yuv2rgbx32_1_1_c;

  1516.                     *yuv2packed2 = yuv2rgbx32_1_2_c;

  1517.                     *yuv2packedX = yuv2rgbx32_1_X_c;

  1518.                 }

  1519. #endif /* !CONFIG_SMALL */

  1520.                 break;

  1521.         case AV_PIX_FMT_RGB24:

  1522.             *yuv2packed1 = yuv2rgb24_1_c;

  1523.             *yuv2packed2 = yuv2rgb24_2_c;

  1524.             *yuv2packedX = yuv2rgb24_X_c;

  1525.             break;

  1526.         case AV_PIX_FMT_BGR24:

  1527.             *yuv2packed1 = yuv2bgr24_1_c;

  1528.             *yuv2packed2 = yuv2bgr24_2_c;

  1529.             *yuv2packedX = yuv2bgr24_X_c;

  1530.             break;

  1531.         case AV_PIX_FMT_RGB565LE:

  1532.         case AV_PIX_FMT_RGB565BE:

  1533.         case AV_PIX_FMT_BGR565LE:

  1534.         case AV_PIX_FMT_BGR565BE:

  1535.             *yuv2packed1 = yuv2rgb16_1_c;

  1536.             *yuv2packed2 = yuv2rgb16_2_c;

  1537.             *yuv2packedX = yuv2rgb16_X_c;

  1538.             break;

  1539.         case AV_PIX_FMT_RGB555LE:

  1540.         case AV_PIX_FMT_RGB555BE:

  1541.         case AV_PIX_FMT_BGR555LE:

  1542.         case AV_PIX_FMT_BGR555BE:

  1543.             *yuv2packed1 = yuv2rgb15_1_c;

  1544.             *yuv2packed2 = yuv2rgb15_2_c;

  1545.             *yuv2packedX = yuv2rgb15_X_c;

  1546.             break;

  1547.         case AV_PIX_FMT_RGB444LE:

  1548.         case AV_PIX_FMT_RGB444BE:

  1549.         case AV_PIX_FMT_BGR444LE:

  1550.         case AV_PIX_FMT_BGR444BE:

  1551.             *yuv2packed1 = yuv2rgb12_1_c;

  1552.             *yuv2packed2 = yuv2rgb12_2_c;

  1553.             *yuv2packedX = yuv2rgb12_X_c;

  1554.             break;

  1555.         case AV_PIX_FMT_RGB8:

  1556.         case AV_PIX_FMT_BGR8:

  1557.             *yuv2packed1 = yuv2rgb8_1_c;

  1558.             *yuv2packed2 = yuv2rgb8_2_c;

  1559.             *yuv2packedX = yuv2rgb8_X_c;

  1560.             break;

  1561.         case AV_PIX_FMT_RGB4:

  1562.         case AV_PIX_FMT_BGR4:

  1563.             *yuv2packed1 = yuv2rgb4_1_c;

  1564.             *yuv2packed2 = yuv2rgb4_2_c;

  1565.             *yuv2packedX = yuv2rgb4_X_c;

  1566.             break;

  1567.         case AV_PIX_FMT_RGB4_BYTE:

  1568.         case AV_PIX_FMT_BGR4_BYTE:

  1569.             *yuv2packed1 = yuv2rgb4b_1_c;

  1570.             *yuv2packed2 = yuv2rgb4b_2_c;

  1571.             *yuv2packedX = yuv2rgb4b_X_c;

  1572.             break;

  1573.         }

  1574.     }

  1575.     switch (dstFormat) {

  1576.     case AV_PIX_FMT_MONOWHITE:

  1577.         *yuv2packed1 = yuv2monowhite_1_c;

  1578.         *yuv2packed2 = yuv2monowhite_2_c;

  1579.         *yuv2packedX = yuv2monowhite_X_c;

  1580.         break;

  1581.     case AV_PIX_FMT_MONOBLACK:

  1582.         *yuv2packed1 = yuv2monoblack_1_c;

  1583.         *yuv2packed2 = yuv2monoblack_2_c;

  1584.         *yuv2packedX = yuv2monoblack_X_c;

  1585.         break;

  1586.     case AV_PIX_FMT_YUYV422:

  1587.         *yuv2packed1 = yuv2yuyv422_1_c;

  1588.         *yuv2packed2 = yuv2yuyv422_2_c;

  1589.         *yuv2packedX = yuv2yuyv422_X_c;

  1590.         break;

  1591.     case AV_PIX_FMT_YVYU422:

  1592.         *yuv2packed1 = yuv2yvyu422_1_c;

  1593.         *yuv2packed2 = yuv2yvyu422_2_c;

  1594.         *yuv2packedX = yuv2yvyu422_X_c;

  1595.         break;

  1596.     case AV_PIX_FMT_UYVY422:

  1597.         *yuv2packed1 = yuv2uyvy422_1_c;

  1598.         *yuv2packed2 = yuv2uyvy422_2_c;

  1599.         *yuv2packedX = yuv2uyvy422_X_c;

  1600.         break;

  1601.     }

  1602. }