falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
5553 Commits
32 Branches
449MB
Tree: c17be81763
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'c17be81763'
${ noResults }
FFmpeg/postproc/yuv2rgb.c

849 lines
21KB
Raw Blame History 

  1. /*

  2.  * yuv2rgb.c, Software YUV to RGB coverter

  3.  *

  4.  *  Copyright (C) 1999, Aaron Holtzman <aholtzma@ess.engr.uvic.ca>

  5.  *  All Rights Reserved.

  6.  *

  7.  *  Functions broken out from display_x11.c and several new modes

  8.  *  added by Håkan Hjort <d95hjort@dtek.chalmers.se>

  9.  *

  10.  *  15 & 16 bpp support by Franck Sicard <Franck.Sicard@solsoft.fr>

  11.  *

  12.  *  This file is part of mpeg2dec, a free MPEG-2 video decoder

  13.  *

  14.  *  mpeg2dec is free software; you can redistribute it and/or modify

  15.  *  it under the terms of the GNU General Public License as published by

  16.  *  the Free Software Foundation; either version 2, or (at your option)

  17.  *  any later version.

  18.  *

  19.  *  mpeg2dec is distributed in the hope that it will be useful,

  20.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of

  21.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  22.  *  GNU General Public License for more details.

  23.  *

  24.  *  You should have received a copy of the GNU General Public License

  25.  *  along with GNU Make; see the file COPYING.  If not, write to

  26.  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

  27.  *

  28.  * MMX/MMX2 Template stuff from Michael Niedermayer (michaelni@gmx.at) (needed for fast movntq support)

  29.  * 1,4,8bpp support by Michael Niedermayer (michaelni@gmx.at)

  30.  * context / deglobalize stuff by Michael Niedermayer

  31.  */

  32. 

  33. #include <stdio.h>

  34. #include <stdlib.h>

  35. #include <inttypes.h>

  36. #include <assert.h>

  37. 

  38. #include "config.h"

  39. //#include "video_out.h"

  40. #include "rgb2rgb.h"

  41. #include "swscale.h"

  42. #include "swscale_internal.h"

  43. #include "mangle.h"

  44. #include "libvo/img_format.h" //FIXME try to reduce dependency of such stuff

  45. 

  46. #ifdef HAVE_MLIB

  47. #include "yuv2rgb_mlib.c"

  48. #endif

  49. 

  50. #define DITHER1XBPP // only for mmx

  51. 

  52. const uint8_t  __attribute__((aligned(8))) dither_2x2_4[2][8]={

  53. {  1,   3,   1,   3,   1,   3,   1,   3, },

  54. {  2,   0,   2,   0,   2,   0,   2,   0, },

  55. };

  56. 

  57. const uint8_t  __attribute__((aligned(8))) dither_2x2_8[2][8]={

  58. {  6,   2,   6,   2,   6,   2,   6,   2, },

  59. {  0,   4,   0,   4,   0,   4,   0,   4, },

  60. };

  61. 

  62. const uint8_t  __attribute__((aligned(8))) dither_8x8_32[8][8]={

  63. { 17,   9,  23,  15,  16,   8,  22,  14, },

  64. {  5,  29,   3,  27,   4,  28,   2,  26, },

  65. { 21,  13,  19,  11,  20,  12,  18,  10, },

  66. {  0,  24,   6,  30,   1,  25,   7,  31, },

  67. { 16,   8,  22,  14,  17,   9,  23,  15, },

  68. {  4,  28,   2,  26,   5,  29,   3,  27, },

  69. { 20,  12,  18,  10,  21,  13,  19,  11, },

  70. {  1,  25,   7,  31,   0,  24,   6,  30, },

  71. };

  72. 

  73. #if 0

  74. const uint8_t  __attribute__((aligned(8))) dither_8x8_64[8][8]={

  75. {  0,  48,  12,  60,   3,  51,  15,  63, },

  76. { 32,  16,  44,  28,  35,  19,  47,  31, },

  77. {  8,  56,   4,  52,  11,  59,   7,  55, },

  78. { 40,  24,  36,  20,  43,  27,  39,  23, },

  79. {  2,  50,  14,  62,   1,  49,  13,  61, },

  80. { 34,  18,  46,  30,  33,  17,  45,  29, },

  81. { 10,  58,   6,  54,   9,  57,   5,  53, },

  82. { 42,  26,  38,  22,  41,  25,  37,  21, },

  83. };

  84. #endif

  85. 

  86. const uint8_t  __attribute__((aligned(8))) dither_8x8_73[8][8]={

  87. {  0,  55,  14,  68,   3,  58,  17,  72, },

  88. { 37,  18,  50,  32,  40,  22,  54,  35, },

  89. {  9,  64,   5,  59,  13,  67,   8,  63, },

  90. { 46,  27,  41,  23,  49,  31,  44,  26, },

  91. {  2,  57,  16,  71,   1,  56,  15,  70, },

  92. { 39,  21,  52,  34,  38,  19,  51,  33, },

  93. { 11,  66,   7,  62,  10,  65,   6,  60, },

  94. { 48,  30,  43,  25,  47,  29,  42,  24, },

  95. };

  96. 

  97. #if 0

  98. const uint8_t  __attribute__((aligned(8))) dither_8x8_128[8][8]={

  99. { 68,  36,  92,  60,  66,  34,  90,  58, },

  100. { 20, 116,  12, 108,  18, 114,  10, 106, },

  101. { 84,  52,  76,  44,  82,  50,  74,  42, },

  102. {  0,  96,  24, 120,   6, 102,  30, 126, },

  103. { 64,  32,  88,  56,  70,  38,  94,  62, },

  104. { 16, 112,   8, 104,  22, 118,  14, 110, },

  105. { 80,  48,  72,  40,  86,  54,  78,  46, },

  106. {  4, 100,  28, 124,   2,  98,  26, 122, },

  107. };

  108. #endif

  109. 

  110. #if 1

  111. const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={

  112. {117,  62, 158, 103, 113,  58, 155, 100, },

  113. { 34, 199,  21, 186,  31, 196,  17, 182, },

  114. {144,  89, 131,  76, 141,  86, 127,  72, },

  115. {  0, 165,  41, 206,  10, 175,  52, 217, },

  116. {110,  55, 151,  96, 120,  65, 162, 107, },

  117. { 28, 193,  14, 179,  38, 203,  24, 189, },

  118. {138,  83, 124,  69, 148,  93, 134,  79, },

  119. {  7, 172,  48, 213,   3, 168,  45, 210, },

  120. };

  121. #elif 1

  122. // tries to correct a gamma of 1.5

  123. const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={

  124. {  0, 143,  18, 200,   2, 156,  25, 215, },

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

  126. { 10, 180,   3, 161,  16, 195,   8, 175, },

  127. {109,  51,  93,  38, 121,  60, 105,  47, },

  128. {  1, 152,  23, 210,   0, 147,  20, 205, },

  129. { 85,  33, 134,  71,  81,  30, 130,  67, },

  130. { 14, 190,   6, 171,  12, 185,   5, 166, },

  131. {117,  57, 101,  44, 113,  54,  97,  41, },

  132. };

  133. #elif 1

  134. // tries to correct a gamma of 2.0

  135. const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={

  136. {  0, 124,   8, 193,   0, 140,  12, 213, },

  137. { 55,  14, 104,  42,  66,  19, 119,  52, },

  138. {  3, 168,   1, 145,   6, 187,   3, 162, },

  139. { 86,  31,  70,  21,  99,  39,  82,  28, },

  140. {  0, 134,  11, 206,   0, 129,   9, 200, },

  141. { 62,  17, 114,  48,  58,  16, 109,  45, },

  142. {  5, 181,   2, 157,   4, 175,   1, 151, },

  143. { 95,  36,  78,  26,  90,  34,  74,  24, },

  144. };

  145. #else

  146. // tries to correct a gamma of 2.5

  147. const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={

  148. {  0, 107,   3, 187,   0, 125,   6, 212, },

  149. { 39,   7,  86,  28,  49,  11, 102,  36, },

  150. {  1, 158,   0, 131,   3, 180,   1, 151, },

  151. { 68,  19,  52,  12,  81,  25,  64,  17, },

  152. {  0, 119,   5, 203,   0, 113,   4, 195, },

  153. { 45,   9,  96,  33,  42,   8,  91,  30, },

  154. {  2, 172,   1, 144,   2, 165,   0, 137, },

  155. { 77,  23,  60,  15,  72,  21,  56,  14, },

  156. };

  157. #endif

  158. 

  159. #if defined(ARCH_X86) || defined(ARCH_X86_64)

  160. 

  161. /* hope these constant values are cache line aligned */

  162. uint64_t attribute_used __attribute__((aligned(8))) mmx_00ffw = 0x00ff00ff00ff00ffULL;

  163. uint64_t attribute_used __attribute__((aligned(8))) mmx_redmask = 0xf8f8f8f8f8f8f8f8ULL;

  164. uint64_t attribute_used __attribute__((aligned(8))) mmx_grnmask = 0xfcfcfcfcfcfcfcfcULL;

  165. 

  166. uint64_t attribute_used __attribute__((aligned(8))) M24A=   0x00FF0000FF0000FFULL;

  167. uint64_t attribute_used __attribute__((aligned(8))) M24B=   0xFF0000FF0000FF00ULL;

  168. uint64_t attribute_used __attribute__((aligned(8))) M24C=   0x0000FF0000FF0000ULL;

  169. 

  170. // the volatile is required because gcc otherwise optimizes some writes away not knowing that these

  171. // are read in the asm block

  172. volatile uint64_t attribute_used __attribute__((aligned(8))) b5Dither;

  173. volatile uint64_t attribute_used __attribute__((aligned(8))) g5Dither;

  174. volatile uint64_t attribute_used __attribute__((aligned(8))) g6Dither;

  175. volatile uint64_t attribute_used __attribute__((aligned(8))) r5Dither;

  176. 

  177. uint64_t __attribute__((aligned(8))) dither4[2]={

  178. 	0x0103010301030103LL,

  179. 	0x0200020002000200LL,};

  180. 

  181. uint64_t __attribute__((aligned(8))) dither8[2]={

  182. 	0x0602060206020602LL,

  183. 	0x0004000400040004LL,};

  184. 

  185. #undef HAVE_MMX

  186. 

  187. //MMX versions

  188. #undef RENAME

  189. #define HAVE_MMX

  190. #undef HAVE_MMX2

  191. #undef HAVE_3DNOW

  192. #define RENAME(a) a ## _MMX

  193. #include "yuv2rgb_template.c"

  194. 

  195. //MMX2 versions

  196. #undef RENAME

  197. #define HAVE_MMX

  198. #define HAVE_MMX2

  199. #undef HAVE_3DNOW

  200. #define RENAME(a) a ## _MMX2

  201. #include "yuv2rgb_template.c"

  202. 

  203. #endif // CAN_COMPILE_X86_ASM

  204. 

  205. const int32_t Inverse_Table_6_9[8][4] = {

  206.     {117504, 138453, 13954, 34903}, /* no sequence_display_extension */

  207.     {117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */

  208.     {104597, 132201, 25675, 53279}, /* unspecified */

  209.     {104597, 132201, 25675, 53279}, /* reserved */

  210.     {104448, 132798, 24759, 53109}, /* FCC */

  211.     {104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */

  212.     {104597, 132201, 25675, 53279}, /* SMPTE 170M */

  213.     {117579, 136230, 16907, 35559}  /* SMPTE 240M (1987) */

  214. };

  215. 

  216. #define RGB(i)					\

  217. 	U = pu[i];				\

  218. 	V = pv[i];				\

  219. 	r = c->table_rV[V];			\

  220. 	g = c->table_gU[U] + c->table_gV[V];		\

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

  222. 

  223. #define DST1(i)					\

  224. 	Y = py_1[2*i];				\

  225. 	dst_1[2*i] = r[Y] + g[Y] + b[Y];	\

  226. 	Y = py_1[2*i+1];			\

  227. 	dst_1[2*i+1] = r[Y] + g[Y] + b[Y];

  228. 

  229. #define DST2(i)					\

  230. 	Y = py_2[2*i];				\

  231. 	dst_2[2*i] = r[Y] + g[Y] + b[Y];	\

  232. 	Y = py_2[2*i+1];			\

  233. 	dst_2[2*i+1] = r[Y] + g[Y] + b[Y];

  234. 

  235. #define DST1RGB(i)							\

  236. 	Y = py_1[2*i];							\

  237. 	dst_1[6*i] = r[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = b[Y];	\

  238. 	Y = py_1[2*i+1];						\

  239. 	dst_1[6*i+3] = r[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = b[Y];

  240. 

  241. #define DST2RGB(i)							\

  242. 	Y = py_2[2*i];							\

  243. 	dst_2[6*i] = r[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = b[Y];	\

  244. 	Y = py_2[2*i+1];						\

  245. 	dst_2[6*i+3] = r[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = b[Y];

  246. 

  247. #define DST1BGR(i)							\

  248. 	Y = py_1[2*i];							\

  249. 	dst_1[6*i] = b[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = r[Y];	\

  250. 	Y = py_1[2*i+1];						\

  251. 	dst_1[6*i+3] = b[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = r[Y];

  252. 

  253. #define DST2BGR(i)							\

  254. 	Y = py_2[2*i];							\

  255. 	dst_2[6*i] = b[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = r[Y];	\

  256. 	Y = py_2[2*i+1];						\

  257. 	dst_2[6*i+3] = b[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = r[Y];

  258. 

  259. #define PROLOG(func_name, dst_type) \

  260. static int func_name(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, \

  261.              int srcSliceH, uint8_t* dst[], int dstStride[]){\

  262.     int y;\

  263. \

  264.     if(c->srcFormat == IMGFMT_422P){\

  265. 	srcStride[1] *= 2;\

  266. 	srcStride[2] *= 2;\

  267.     }\

  268.     for(y=0; y<srcSliceH; y+=2){\

  269. 	dst_type *dst_1= (dst_type*)(dst[0] + (y+srcSliceY  )*dstStride[0]);\

  270. 	dst_type *dst_2= (dst_type*)(dst[0] + (y+srcSliceY+1)*dstStride[0]);\

  271. 	dst_type *r, *g, *b;\

  272. 	uint8_t *py_1= src[0] + y*srcStride[0];\

  273. 	uint8_t *py_2= py_1 + srcStride[0];\

  274. 	uint8_t *pu= src[1] + (y>>1)*srcStride[1];\

  275. 	uint8_t *pv= src[2] + (y>>1)*srcStride[2];\

  276. 	unsigned int h_size= c->dstW>>3;\

  277. 	while (h_size--) {\

  278. 	    int U, V, Y;\

  279. 

  280. #define EPILOG(dst_delta)\

  281. 	    pu += 4;\

  282. 	    pv += 4;\

  283. 	    py_1 += 8;\

  284. 	    py_2 += 8;\

  285. 	    dst_1 += dst_delta;\

  286. 	    dst_2 += dst_delta;\

  287. 	}\

  288.     }\

  289.     return srcSliceH;\

  290. }

  291. 

  292. PROLOG(yuv2rgb_c_32, uint32_t)

  293. 	RGB(0);

  294. 	DST1(0);

  295. 	DST2(0);

  296. 

  297. 	RGB(1);

  298. 	DST2(1);

  299. 	DST1(1);

  300. 

  301. 	RGB(2);

  302. 	DST1(2);

  303. 	DST2(2);

  304. 

  305. 	RGB(3);

  306. 	DST2(3);

  307. 	DST1(3);

  308. EPILOG(8)

  309. 

  310. PROLOG(yuv2rgb_c_24_rgb, uint8_t)

  311. 	RGB(0);

  312. 	DST1RGB(0);

  313. 	DST2RGB(0);

  314. 

  315. 	RGB(1);

  316. 	DST2RGB(1);

  317. 	DST1RGB(1);

  318. 

  319. 	RGB(2);

  320. 	DST1RGB(2);

  321. 	DST2RGB(2);

  322. 

  323. 	RGB(3);

  324. 	DST2RGB(3);

  325. 	DST1RGB(3);

  326. EPILOG(24)

  327. 

  328. // only trivial mods from yuv2rgb_c_24_rgb

  329. PROLOG(yuv2rgb_c_24_bgr, uint8_t)

  330. 	RGB(0);

  331. 	DST1BGR(0);

  332. 	DST2BGR(0);

  333. 

  334. 	RGB(1);

  335. 	DST2BGR(1);

  336. 	DST1BGR(1);

  337. 

  338. 	RGB(2);

  339. 	DST1BGR(2);

  340. 	DST2BGR(2);

  341. 

  342. 	RGB(3);

  343. 	DST2BGR(3);

  344. 	DST1BGR(3);

  345. EPILOG(24)

  346. 

  347. // This is exactly the same code as yuv2rgb_c_32 except for the types of

  348. // r, g, b, dst_1, dst_2

  349. PROLOG(yuv2rgb_c_16, uint16_t)

  350. 	RGB(0);

  351. 	DST1(0);

  352. 	DST2(0);

  353. 

  354. 	RGB(1);

  355. 	DST2(1);

  356. 	DST1(1);

  357. 

  358. 	RGB(2);

  359. 	DST1(2);

  360. 	DST2(2);

  361. 

  362. 	RGB(3);

  363. 	DST2(3);

  364. 	DST1(3);

  365. EPILOG(8)

  366. 

  367. // This is exactly the same code as yuv2rgb_c_32 except for the types of

  368. // r, g, b, dst_1, dst_2

  369. PROLOG(yuv2rgb_c_8, uint8_t)

  370. 	RGB(0);

  371. 	DST1(0);

  372. 	DST2(0);

  373. 

  374. 	RGB(1);

  375. 	DST2(1);

  376. 	DST1(1);

  377. 

  378. 	RGB(2);

  379. 	DST1(2);

  380. 	DST2(2);

  381. 

  382. 	RGB(3);

  383. 	DST2(3);

  384. 	DST1(3);

  385. EPILOG(8)

  386. 

  387. // r, g, b, dst_1, dst_2

  388. PROLOG(yuv2rgb_c_8_ordered_dither, uint8_t)

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

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

  391. #define DST1bpp8(i,o)					\

  392. 	Y = py_1[2*i];				\

  393. 	dst_1[2*i] = r[Y+d32[0+o]] + g[Y+d32[0+o]] + b[Y+d64[0+o]];	\

  394. 	Y = py_1[2*i+1];			\

  395. 	dst_1[2*i+1] = r[Y+d32[1+o]] + g[Y+d32[1+o]] + b[Y+d64[1+o]];

  396. 

  397. #define DST2bpp8(i,o)					\

  398. 	Y = py_2[2*i];				\

  399. 	dst_2[2*i] =  r[Y+d32[8+o]] + g[Y+d32[8+o]] + b[Y+d64[8+o]];	\

  400. 	Y = py_2[2*i+1];			\

  401. 	dst_2[2*i+1] =  r[Y+d32[9+o]] + g[Y+d32[9+o]] + b[Y+d64[9+o]];

  402. 

  403. 

  404. 	RGB(0);

  405. 	DST1bpp8(0,0);

  406. 	DST2bpp8(0,0);

  407. 

  408. 	RGB(1);

  409. 	DST2bpp8(1,2);

  410. 	DST1bpp8(1,2);

  411. 

  412. 	RGB(2);

  413. 	DST1bpp8(2,4);

  414. 	DST2bpp8(2,4);

  415. 

  416. 	RGB(3);

  417. 	DST2bpp8(3,6);

  418. 	DST1bpp8(3,6);

  419. EPILOG(8)

  420. 

  421. 

  422. // This is exactly the same code as yuv2rgb_c_32 except for the types of

  423. // r, g, b, dst_1, dst_2

  424. PROLOG(yuv2rgb_c_4, uint8_t)

  425.         int acc;

  426. #define DST1_4(i)					\

  427. 	Y = py_1[2*i];				\

  428. 	acc = r[Y] + g[Y] + b[Y];	\

  429. 	Y = py_1[2*i+1];			\

  430.         acc |= (r[Y] + g[Y] + b[Y])<<4;\

  431. 	dst_1[i] = acc; 

  432. 

  433. #define DST2_4(i)					\

  434. 	Y = py_2[2*i];				\

  435. 	acc = r[Y] + g[Y] + b[Y];	\

  436. 	Y = py_2[2*i+1];			\

  437. 	acc |= (r[Y] + g[Y] + b[Y])<<4;\

  438. 	dst_2[i] = acc; 

  439. 	

  440.         RGB(0);

  441. 	DST1_4(0);

  442. 	DST2_4(0);

  443. 

  444. 	RGB(1);

  445. 	DST2_4(1);

  446. 	DST1_4(1);

  447. 

  448. 	RGB(2);

  449. 	DST1_4(2);

  450. 	DST2_4(2);

  451. 

  452. 	RGB(3);

  453. 	DST2_4(3);

  454. 	DST1_4(3);

  455. EPILOG(4)

  456. 

  457. PROLOG(yuv2rgb_c_4_ordered_dither, uint8_t)

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

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

  460.         int acc;

  461. 

  462. #define DST1bpp4(i,o)					\

  463. 	Y = py_1[2*i];				\

  464. 	acc = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];	\

  465. 	Y = py_1[2*i+1];			\

  466. 	acc |= (r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]])<<4;\

  467.         dst_1[i]= acc;

  468. 

  469. #define DST2bpp4(i,o)					\

  470. 	Y = py_2[2*i];				\

  471. 	acc =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];	\

  472. 	Y = py_2[2*i+1];			\

  473. 	acc |=  (r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]])<<4;\

  474.         dst_2[i]= acc;

  475. 

  476. 

  477. 	RGB(0);

  478. 	DST1bpp4(0,0);

  479. 	DST2bpp4(0,0);

  480. 

  481. 	RGB(1);

  482. 	DST2bpp4(1,2);

  483. 	DST1bpp4(1,2);

  484. 

  485. 	RGB(2);

  486. 	DST1bpp4(2,4);

  487. 	DST2bpp4(2,4);

  488. 

  489. 	RGB(3);

  490. 	DST2bpp4(3,6);

  491. 	DST1bpp4(3,6);

  492. EPILOG(4)

  493. 

  494. // This is exactly the same code as yuv2rgb_c_32 except for the types of

  495. // r, g, b, dst_1, dst_2

  496. PROLOG(yuv2rgb_c_4b, uint8_t)

  497. 	RGB(0);

  498. 	DST1(0);

  499. 	DST2(0);

  500. 

  501. 	RGB(1);

  502. 	DST2(1);

  503. 	DST1(1);

  504. 

  505. 	RGB(2);

  506. 	DST1(2);

  507. 	DST2(2);

  508. 

  509. 	RGB(3);

  510. 	DST2(3);

  511. 	DST1(3);

  512. EPILOG(8)

  513. 

  514. PROLOG(yuv2rgb_c_4b_ordered_dither, uint8_t)

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

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

  517. 

  518. #define DST1bpp4b(i,o)					\

  519. 	Y = py_1[2*i];				\

  520. 	dst_1[2*i] = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];	\

  521. 	Y = py_1[2*i+1];			\

  522. 	dst_1[2*i+1] = r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]];

  523. 

  524. #define DST2bpp4b(i,o)					\

  525. 	Y = py_2[2*i];				\

  526. 	dst_2[2*i] =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];	\

  527. 	Y = py_2[2*i+1];			\

  528. 	dst_2[2*i+1] =  r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]];

  529. 

  530. 

  531. 	RGB(0);

  532. 	DST1bpp4b(0,0);

  533. 	DST2bpp4b(0,0);

  534. 

  535. 	RGB(1);

  536. 	DST2bpp4b(1,2);

  537. 	DST1bpp4b(1,2);

  538. 

  539. 	RGB(2);

  540. 	DST1bpp4b(2,4);

  541. 	DST2bpp4b(2,4);

  542. 

  543. 	RGB(3);

  544. 	DST2bpp4b(3,6);

  545. 	DST1bpp4b(3,6);

  546. EPILOG(8)

  547. 

  548. PROLOG(yuv2rgb_c_1_ordered_dither, uint8_t)

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

  550. 	char out_1=0, out_2=0;

  551. 	g= c->table_gU[128] + c->table_gV[128];

  552. 

  553. #define DST1bpp1(i,o)					\

  554. 	Y = py_1[2*i];				\

  555. 	out_1+= out_1 + g[Y+d128[0+o]];	\

  556. 	Y = py_1[2*i+1];			\

  557. 	out_1+= out_1 + g[Y+d128[1+o]];

  558. 

  559. #define DST2bpp1(i,o)					\

  560. 	Y = py_2[2*i];				\

  561. 	out_2+= out_2 + g[Y+d128[8+o]];	\

  562. 	Y = py_2[2*i+1];			\

  563. 	out_2+= out_2 + g[Y+d128[9+o]];

  564. 

  565. 	DST1bpp1(0,0);

  566. 	DST2bpp1(0,0);

  567. 

  568. 	DST2bpp1(1,2);

  569. 	DST1bpp1(1,2);

  570. 

  571. 	DST1bpp1(2,4);

  572. 	DST2bpp1(2,4);

  573. 

  574. 	DST2bpp1(3,6);

  575. 	DST1bpp1(3,6);

  576. 	

  577. 	dst_1[0]= out_1;

  578. 	dst_2[0]= out_2;

  579. EPILOG(1)

  580. 

  581. SwsFunc yuv2rgb_get_func_ptr (SwsContext *c)

  582. {

  583. #if defined(ARCH_X86) || defined(ARCH_X86_64)

  584.     if(c->flags & SWS_CPU_CAPS_MMX2){

  585. 	switch(c->dstFormat){

  586. 	case IMGFMT_BGR32: return yuv420_rgb32_MMX2;

  587. 	case IMGFMT_BGR24: return yuv420_rgb24_MMX2;

  588. 	case IMGFMT_BGR16: return yuv420_rgb16_MMX2;

  589. 	case IMGFMT_BGR15: return yuv420_rgb15_MMX2;

  590. 	}

  591.     }

  592.     if(c->flags & SWS_CPU_CAPS_MMX){

  593. 	switch(c->dstFormat){

  594. 	case IMGFMT_BGR32: return yuv420_rgb32_MMX;

  595. 	case IMGFMT_BGR24: return yuv420_rgb24_MMX;

  596. 	case IMGFMT_BGR16: return yuv420_rgb16_MMX;

  597. 	case IMGFMT_BGR15: return yuv420_rgb15_MMX;

  598. 	}

  599.     }

  600. #endif

  601. #ifdef HAVE_MLIB

  602.     {

  603. 	SwsFunc t= yuv2rgb_init_mlib(c);

  604. 	if(t) return t;

  605.     }

  606. #endif

  607. #ifdef HAVE_ALTIVEC

  608.     if (c->flags & SWS_CPU_CAPS_ALTIVEC)

  609.     {

  610. 	SwsFunc t = yuv2rgb_init_altivec(c);

  611. 	if(t) return t;

  612.     }

  613. #endif

  614. 

  615.     MSG_WARN("No accelerated colorspace conversion found\n");

  616. 

  617.     switch(c->dstFormat){

  618.     case IMGFMT_RGB32:

  619.     case IMGFMT_BGR32: return yuv2rgb_c_32;

  620.     case IMGFMT_RGB24: return yuv2rgb_c_24_rgb;

  621.     case IMGFMT_BGR24: return yuv2rgb_c_24_bgr;

  622.     case IMGFMT_RGB16:

  623.     case IMGFMT_BGR16:

  624.     case IMGFMT_RGB15:

  625.     case IMGFMT_BGR15: return yuv2rgb_c_16;

  626.     case IMGFMT_RGB8:

  627.     case IMGFMT_BGR8:  return yuv2rgb_c_8_ordered_dither;

  628.     case IMGFMT_RGB4:

  629.     case IMGFMT_BGR4:  return yuv2rgb_c_4_ordered_dither;

  630.     case IMGFMT_RG4B:

  631.     case IMGFMT_BG4B:  return yuv2rgb_c_4b_ordered_dither;

  632.     case IMGFMT_RGB1:

  633.     case IMGFMT_BGR1:  return yuv2rgb_c_1_ordered_dither;

  634.     default:

  635.     	assert(0);

  636.     }

  637.     return NULL;

  638. }

  639. 

  640. static int div_round (int dividend, int divisor)

  641. {

  642.     if (dividend > 0)

  643. 	return (dividend + (divisor>>1)) / divisor;

  644.     else

  645. 	return -((-dividend + (divisor>>1)) / divisor);

  646. }

  647. 

  648. int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation)

  649. {  

  650.     const int isRgb = IMGFMT_IS_BGR(c->dstFormat);

  651.     const int bpp = isRgb?IMGFMT_RGB_DEPTH(c->dstFormat):IMGFMT_BGR_DEPTH(c->dstFormat);

  652.     int i;

  653.     uint8_t table_Y[1024];

  654.     uint32_t *table_32 = 0;

  655.     uint16_t *table_16 = 0;

  656.     uint8_t *table_8 = 0;

  657.     uint8_t *table_332 = 0;

  658.     uint8_t *table_121 = 0;

  659.     uint8_t *table_1 = 0;

  660.     int entry_size = 0;

  661.     void *table_r = 0, *table_g = 0, *table_b = 0;

  662.     void *table_start;

  663. 

  664.     int64_t crv =  inv_table[0];

  665.     int64_t cbu =  inv_table[1];

  666.     int64_t cgu = -inv_table[2];

  667.     int64_t cgv = -inv_table[3];

  668.     int64_t cy  = 1<<16;

  669.     int64_t oy  = 0;

  670. 

  671. //printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);

  672.     if(!fullRange){

  673. 	cy= (cy*255) / 219;

  674. 	oy= 16<<16;

  675.     }

  676. 	

  677.     cy = (cy *contrast             )>>16;

  678.     crv= (crv*contrast * saturation)>>32;

  679.     cbu= (cbu*contrast * saturation)>>32;

  680.     cgu= (cgu*contrast * saturation)>>32;

  681.     cgv= (cgv*contrast * saturation)>>32;

  682. //printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);

  683.     oy -= 256*brightness;

  684. 

  685.     for (i = 0; i < 1024; i++) {

  686. 	int j;

  687. 

  688. 	j= (cy*(((i - 384)<<16) - oy) + (1<<31))>>32;

  689. 	j = (j < 0) ? 0 : ((j > 255) ? 255 : j);

  690. 	table_Y[i] = j;

  691.     }

  692. 

  693.     switch (bpp) {

  694.     case 32:

  695. 	table_start= table_32 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint32_t));

  696. 

  697. 	entry_size = sizeof (uint32_t);

  698. 	table_r = table_32 + 197;

  699. 	table_b = table_32 + 197 + 685;

  700. 	table_g = table_32 + 197 + 2*682;

  701. 

  702. 	for (i = -197; i < 256+197; i++)

  703. 	    ((uint32_t *)table_r)[i] = table_Y[i+384] << (isRgb ? 16 : 0);

  704. 	for (i = -132; i < 256+132; i++)

  705. 	    ((uint32_t *)table_g)[i] = table_Y[i+384] << 8;

  706. 	for (i = -232; i < 256+232; i++)

  707. 	    ((uint32_t *)table_b)[i] = table_Y[i+384] << (isRgb ? 0 : 16);

  708. 	break;

  709. 

  710.     case 24:

  711. 	table_start= table_8 = malloc ((256 + 2*232) * sizeof (uint8_t));

  712. 

  713. 	entry_size = sizeof (uint8_t);

  714. 	table_r = table_g = table_b = table_8 + 232;

  715. 

  716. 	for (i = -232; i < 256+232; i++)

  717. 	    ((uint8_t * )table_b)[i] = table_Y[i+384];

  718. 	break;

  719. 

  720.     case 15:

  721.     case 16:

  722. 	table_start= table_16 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint16_t));

  723. 

  724. 	entry_size = sizeof (uint16_t);

  725. 	table_r = table_16 + 197;

  726. 	table_b = table_16 + 197 + 685;

  727. 	table_g = table_16 + 197 + 2*682;

  728. 

  729. 	for (i = -197; i < 256+197; i++) {

  730. 	    int j = table_Y[i+384] >> 3;

  731. 

  732. 	    if (isRgb)

  733. 		j <<= ((bpp==16) ? 11 : 10);

  734. 

  735. 	    ((uint16_t *)table_r)[i] = j;

  736. 	}

  737. 	for (i = -132; i < 256+132; i++) {

  738. 	    int j = table_Y[i+384] >> ((bpp==16) ? 2 : 3);

  739. 

  740. 	    ((uint16_t *)table_g)[i] = j << 5;

  741. 	}

  742. 	for (i = -232; i < 256+232; i++) {

  743. 	    int j = table_Y[i+384] >> 3;

  744. 

  745. 	    if (!isRgb)

  746. 		j <<= ((bpp==16) ? 11 : 10);

  747. 

  748. 	    ((uint16_t *)table_b)[i] = j;

  749. 	}

  750. 	break;

  751. 

  752.     case 8:

  753. 	table_start= table_332 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));

  754. 

  755. 	entry_size = sizeof (uint8_t);

  756. 	table_r = table_332 + 197;

  757. 	table_b = table_332 + 197 + 685;

  758. 	table_g = table_332 + 197 + 2*682;

  759. 

  760. 	for (i = -197; i < 256+197; i++) {

  761. 	    int j = (table_Y[i+384 - 16] + 18)/36;

  762. 

  763. 	    if (isRgb)

  764. 		j <<= 5;

  765. 

  766. 	    ((uint8_t *)table_r)[i] = j;

  767. 	}

  768. 	for (i = -132; i < 256+132; i++) {

  769. 	    int j = (table_Y[i+384 - 16] + 18)/36;

  770. 

  771. 	    if (!isRgb)

  772. 		j <<= 1;

  773. 

  774. 	    ((uint8_t *)table_g)[i] = j << 2;

  775. 	}

  776. 	for (i = -232; i < 256+232; i++) {

  777. 	    int j = (table_Y[i+384 - 37] + 43)/85;

  778. 

  779. 	    if (!isRgb)

  780. 		j <<= 6;

  781. 

  782. 	    ((uint8_t *)table_b)[i] = j;

  783. 	}

  784. 	break;

  785.     case 4:

  786.     case 4|128:

  787. 	table_start= table_121 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));

  788. 

  789. 	entry_size = sizeof (uint8_t);

  790. 	table_r = table_121 + 197;

  791. 	table_b = table_121 + 197 + 685;

  792. 	table_g = table_121 + 197 + 2*682;

  793. 

  794. 	for (i = -197; i < 256+197; i++) {

  795. 	    int j = table_Y[i+384 - 110] >> 7;

  796. 

  797. 	    if (isRgb)

  798. 		j <<= 3;

  799. 

  800. 	    ((uint8_t *)table_r)[i] = j;

  801. 	}

  802. 	for (i = -132; i < 256+132; i++) {

  803. 	    int j = (table_Y[i+384 - 37]+ 43)/85;

  804. 

  805. 	    ((uint8_t *)table_g)[i] = j << 1;

  806. 	}

  807. 	for (i = -232; i < 256+232; i++) {

  808. 	    int j =table_Y[i+384 - 110] >> 7;

  809. 

  810. 	    if (!isRgb)

  811. 		j <<= 3;

  812. 

  813. 	    ((uint8_t *)table_b)[i] = j;

  814. 	}

  815. 	break;

  816. 

  817.     case 1:

  818. 	table_start= table_1 = malloc (256*2 * sizeof (uint8_t));

  819. 

  820. 	entry_size = sizeof (uint8_t);

  821. 	table_g = table_1;

  822. 	table_r = table_b = NULL;

  823. 

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

  825. 	    int j = table_Y[i + 384 - 110]>>7;

  826. 

  827. 	    ((uint8_t *)table_g)[i] = j;

  828. 	}

  829. 	break;

  830. 

  831.     default:

  832. 	table_start= NULL;

  833. 	MSG_ERR("%ibpp not supported by yuv2rgb\n", bpp);

  834. 	//free mem?

  835. 	return -1;

  836.     }

  837. 

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

  839. 	c->table_rV[i] = table_r + entry_size * div_round (crv * (i-128), 76309);

  840. 	c->table_gU[i] = table_g + entry_size * div_round (cgu * (i-128), 76309);

  841. 	c->table_gV[i] = entry_size * div_round (cgv * (i-128), 76309);

  842. 	c->table_bU[i] = table_b + entry_size * div_round (cbu * (i-128), 76309);

  843.     }

  844. 

  845.     if(c->yuvTable) free(c->yuvTable);

  846.     c->yuvTable= table_start;

  847.     return 0;

  848. }