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FFmpeg/libavcodec/dsputil.c

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  1. /*

  2.  * DSP utils

  3.  * Copyright (c) 2000, 2001 Fabrice Bellard.

  4.  *

  5.  * This library is free software; you can redistribute it and/or

  6.  * modify it under the terms of the GNU Lesser General Public

  7.  * License as published by the Free Software Foundation; either

  8.  * version 2 of the License, or (at your option) any later version.

  9.  *

  10.  * This library is distributed in the hope that it will be useful,

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

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  13.  * Lesser General Public License for more details.

  14.  *

  15.  * You should have received a copy of the GNU Lesser General Public

  16.  * License along with this library; if not, write to the Free Software

  17.  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

  18.  *

  19.  * gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at>

  20.  */

  21. #include "avcodec.h"

  22. #include "dsputil.h"

  23. #include "simple_idct.h"

  24. 

  25. void (*ff_idct)(DCTELEM *block);

  26. void (*av_fdct)(DCTELEM *block);

  27. void (*get_pixels)(DCTELEM *block, const UINT8 *pixels, int line_size);

  28. void (*diff_pixels)(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride);

  29. void (*put_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);

  30. void (*add_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);

  31. void (*gmc1)(UINT8 *dst, UINT8 *src, int srcStride, int h, int x16, int y16, int rounder);

  32. void (*clear_blocks)(DCTELEM *blocks);

  33. 

  34. op_pixels_abs_func pix_abs16x16;

  35. op_pixels_abs_func pix_abs16x16_x2;

  36. op_pixels_abs_func pix_abs16x16_y2;

  37. op_pixels_abs_func pix_abs16x16_xy2;

  38. 

  39. op_pixels_abs_func pix_abs8x8;

  40. op_pixels_abs_func pix_abs8x8_x2;

  41. op_pixels_abs_func pix_abs8x8_y2;

  42. op_pixels_abs_func pix_abs8x8_xy2;

  43. 

  44. UINT8 cropTbl[256 + 2 * MAX_NEG_CROP];

  45. UINT32 squareTbl[512];

  46. 

  47. extern INT16 default_intra_matrix[64];

  48. extern INT16 default_non_intra_matrix[64];

  49. extern INT16 ff_mpeg4_default_intra_matrix[64];

  50. extern INT16 ff_mpeg4_default_non_intra_matrix[64];

  51. 

  52. UINT8 zigzag_direct[64] = {

  53.     0, 1, 8, 16, 9, 2, 3, 10,

  54.     17, 24, 32, 25, 18, 11, 4, 5,

  55.     12, 19, 26, 33, 40, 48, 41, 34,

  56.     27, 20, 13, 6, 7, 14, 21, 28,

  57.     35, 42, 49, 56, 57, 50, 43, 36,

  58.     29, 22, 15, 23, 30, 37, 44, 51,

  59.     58, 59, 52, 45, 38, 31, 39, 46,

  60.     53, 60, 61, 54, 47, 55, 62, 63

  61. };

  62. 

  63. /* not permutated inverse zigzag_direct + 1 for MMX quantizer */

  64. UINT16 __align8 inv_zigzag_direct16[64];

  65. 

  66. /* not permutated zigzag_direct for MMX quantizer */

  67. UINT8 zigzag_direct_noperm[64];

  68. 

  69. UINT8 ff_alternate_horizontal_scan[64] = {

  70.     0,  1,  2,  3,  8,  9, 16, 17, 

  71.     10, 11,  4,  5,  6,  7, 15, 14,

  72.     13, 12, 19, 18, 24, 25, 32, 33, 

  73.     26, 27, 20, 21, 22, 23, 28, 29,

  74.     30, 31, 34, 35, 40, 41, 48, 49, 

  75.     42, 43, 36, 37, 38, 39, 44, 45,

  76.     46, 47, 50, 51, 56, 57, 58, 59, 

  77.     52, 53, 54, 55, 60, 61, 62, 63,

  78. };

  79. 

  80. UINT8 ff_alternate_vertical_scan[64] = {

  81.     0,  8, 16, 24,  1,  9,  2, 10, 

  82.     17, 25, 32, 40, 48, 56, 57, 49,

  83.     41, 33, 26, 18,  3, 11,  4, 12, 

  84.     19, 27, 34, 42, 50, 58, 35, 43,

  85.     51, 59, 20, 28,  5, 13,  6, 14, 

  86.     21, 29, 36, 44, 52, 60, 37, 45,

  87.     53, 61, 22, 30,  7, 15, 23, 31, 

  88.     38, 46, 54, 62, 39, 47, 55, 63,

  89. };

  90. 

  91. #ifdef SIMPLE_IDCT

  92. 

  93. /* Input permutation for the simple_idct_mmx */

  94. static UINT8 simple_mmx_permutation[64]={

  95. 	0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D, 

  96. 	0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D, 

  97. 	0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D, 

  98. 	0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F, 

  99. 	0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F, 

  100. 	0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D, 

  101. 	0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F, 

  102. 	0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,

  103. };

  104. #endif

  105. 

  106. /* a*inverse[b]>>32 == a/b for all 0<=a<=65536 && 2<=b<=255 */

  107. UINT32 inverse[256]={

  108.          0, 4294967295U,2147483648U,1431655766, 1073741824,  858993460,  715827883,  613566757, 

  109.  536870912,  477218589,  429496730,  390451573,  357913942,  330382100,  306783379,  286331154, 

  110.  268435456,  252645136,  238609295,  226050911,  214748365,  204522253,  195225787,  186737709, 

  111.  178956971,  171798692,  165191050,  159072863,  153391690,  148102321,  143165577,  138547333, 

  112.  134217728,  130150525,  126322568,  122713352,  119304648,  116080198,  113025456,  110127367, 

  113.  107374183,  104755300,  102261127,   99882961,   97612894,   95443718,   93368855,   91382283, 

  114.   89478486,   87652394,   85899346,   84215046,   82595525,   81037119,   79536432,   78090315, 

  115.   76695845,   75350304,   74051161,   72796056,   71582789,   70409300,   69273667,   68174085, 

  116.   67108864,   66076420,   65075263,   64103990,   63161284,   62245903,   61356676,   60492498, 

  117.   59652324,   58835169,   58040099,   57266231,   56512728,   55778797,   55063684,   54366675, 

  118.   53687092,   53024288,   52377650,   51746594,   51130564,   50529028,   49941481,   49367441, 

  119.   48806447,   48258060,   47721859,   47197443,   46684428,   46182445,   45691142,   45210183, 

  120.   44739243,   44278014,   43826197,   43383509,   42949673,   42524429,   42107523,   41698712, 

  121.   41297763,   40904451,   40518560,   40139882,   39768216,   39403370,   39045158,   38693400, 

  122.   38347923,   38008561,   37675152,   37347542,   37025581,   36709123,   36398028,   36092163, 

  123.   35791395,   35495598,   35204650,   34918434,   34636834,   34359739,   34087043,   33818641, 

  124.   33554432,   33294321,   33038210,   32786010,   32537632,   32292988,   32051995,   31814573, 

  125.   31580642,   31350127,   31122952,   30899046,   30678338,   30460761,   30246249,   30034737, 

  126.   29826162,   29620465,   29417585,   29217465,   29020050,   28825284,   28633116,   28443493, 

  127.   28256364,   28071682,   27889399,   27709467,   27531842,   27356480,   27183338,   27012373, 

  128.   26843546,   26676816,   26512144,   26349493,   26188825,   26030105,   25873297,   25718368, 

  129.   25565282,   25414008,   25264514,   25116768,   24970741,   24826401,   24683721,   24542671, 

  130.   24403224,   24265352,   24129030,   23994231,   23860930,   23729102,   23598722,   23469767, 

  131.   23342214,   23216040,   23091223,   22967740,   22845571,   22724695,   22605092,   22486740, 

  132.   22369622,   22253717,   22139007,   22025474,   21913099,   21801865,   21691755,   21582751, 

  133.   21474837,   21367997,   21262215,   21157475,   21053762,   20951060,   20849356,   20748635, 

  134.   20648882,   20550083,   20452226,   20355296,   20259280,   20164166,   20069941,   19976593, 

  135.   19884108,   19792477,   19701685,   19611723,   19522579,   19434242,   19346700,   19259944, 

  136.   19173962,   19088744,   19004281,   18920561,   18837576,   18755316,   18673771,   18592933, 

  137.   18512791,   18433337,   18354562,   18276457,   18199014,   18122225,   18046082,   17970575, 

  138.   17895698,   17821442,   17747799,   17674763,   17602325,   17530479,   17459217,   17388532, 

  139.   17318417,   17248865,   17179870,   17111424,   17043522,   16976156,   16909321,   16843010,

  140. };

  141. 

  142. /* used to skip zeros at the end */

  143. UINT8 zigzag_end[64];

  144. 

  145. UINT8 permutation[64];

  146. //UINT8 invPermutation[64];

  147. 

  148. static void build_zigzag_end(void)

  149. {

  150.     int lastIndex;

  151.     int lastIndexAfterPerm=0;

  152.     for(lastIndex=0; lastIndex<64; lastIndex++)

  153.     {

  154.         if(zigzag_direct[lastIndex] > lastIndexAfterPerm) 

  155.             lastIndexAfterPerm= zigzag_direct[lastIndex];

  156.         zigzag_end[lastIndex]= lastIndexAfterPerm + 1;

  157.     }

  158. }

  159. 

  160. void get_pixels_c(DCTELEM *block, const UINT8 *pixels, int line_size)

  161. {

  162.     DCTELEM *p;

  163.     const UINT8 *pix;

  164.     int i;

  165. 

  166.     /* read the pixels */

  167.     p = block;

  168.     pix = pixels;

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

  170.         p[0] = pix[0];

  171.         p[1] = pix[1];

  172.         p[2] = pix[2];

  173.         p[3] = pix[3];

  174.         p[4] = pix[4];

  175.         p[5] = pix[5];

  176.         p[6] = pix[6];

  177.         p[7] = pix[7];

  178.         pix += line_size;

  179.         p += 8;

  180.     }

  181. }

  182. 

  183. void diff_pixels_c(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride){

  184.     DCTELEM *p;

  185.     int i;

  186. 

  187.     /* read the pixels */

  188.     p = block;

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

  190.         p[0] = s1[0] - s2[0];

  191.         p[1] = s1[1] - s2[1];

  192.         p[2] = s1[2] - s2[2];

  193.         p[3] = s1[3] - s2[3];

  194.         p[4] = s1[4] - s2[4];

  195.         p[5] = s1[5] - s2[5];

  196.         p[6] = s1[6] - s2[6];

  197.         p[7] = s1[7] - s2[7];

  198.         s1 += stride;

  199.         s2 += stride;

  200.         p += 8;

  201.     }

  202. }

  203. 

  204. 

  205. void put_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size)

  206. {

  207.     const DCTELEM *p;

  208.     UINT8 *pix;

  209.     int i;

  210.     UINT8 *cm = cropTbl + MAX_NEG_CROP;

  211.     

  212.     /* read the pixels */

  213.     p = block;

  214.     pix = pixels;

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

  216.         pix[0] = cm[p[0]];

  217.         pix[1] = cm[p[1]];

  218.         pix[2] = cm[p[2]];

  219.         pix[3] = cm[p[3]];

  220.         pix[4] = cm[p[4]];

  221.         pix[5] = cm[p[5]];

  222.         pix[6] = cm[p[6]];

  223.         pix[7] = cm[p[7]];

  224.         pix += line_size;

  225.         p += 8;

  226.     }

  227. }

  228. 

  229. void add_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size)

  230. {

  231.     const DCTELEM *p;

  232.     UINT8 *pix;

  233.     int i;

  234.     UINT8 *cm = cropTbl + MAX_NEG_CROP;

  235.     

  236.     /* read the pixels */

  237.     p = block;

  238.     pix = pixels;

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

  240.         pix[0] = cm[pix[0] + p[0]];

  241.         pix[1] = cm[pix[1] + p[1]];

  242.         pix[2] = cm[pix[2] + p[2]];

  243.         pix[3] = cm[pix[3] + p[3]];

  244.         pix[4] = cm[pix[4] + p[4]];

  245.         pix[5] = cm[pix[5] + p[5]];

  246.         pix[6] = cm[pix[6] + p[6]];

  247.         pix[7] = cm[pix[7] + p[7]];

  248.         pix += line_size;

  249.         p += 8;

  250.     }

  251. }

  252. 

  253. #ifdef __GNUC__

  254. 

  255. struct unaligned_64 { uint64_t l; } __attribute__((packed));

  256. struct unaligned_32 { uint32_t l; } __attribute__((packed));

  257. 

  258. #define LD32(a) (((const struct unaligned_32 *) (a))->l)

  259. #define LD64(a) (((const struct unaligned_64 *) (a))->l)

  260. 

  261. #else /* __GNUC__ */

  262. 

  263. #define LD32(a) (*((uint32_t*)(a)))

  264. #define LD64(a) (*((uint64_t*)(a)))

  265. 

  266. #endif /* !__GNUC__ */

  267. 

  268. #if 0

  269. 

  270. #define PIXOP2(OPNAME, OP) \

  271. void OPNAME ## _pixels(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  272. {\

  273.     int i;\

  274.     for(i=0; i<h; i++){\

  275.         OP(*((uint64_t*)block), LD64(pixels));\

  276.         pixels+=line_size;\

  277.         block +=line_size;\

  278.     }\

  279. }\

  280. \

  281. void OPNAME ## _no_rnd_pixels_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  282. {\

  283.     int i;\

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

  285.         const uint64_t a= LD64(pixels  );\

  286.         const uint64_t b= LD64(pixels+1);\

  287.         OP(*((uint64_t*)block), (a&b) + (((a^b)&0xFEFEFEFEFEFEFEFEULL)>>1));\

  288.         pixels+=line_size;\

  289.         block +=line_size;\

  290.     }\

  291. }\

  292. \

  293. void OPNAME ## _pixels_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  294. {\

  295.     int i;\

  296.     for(i=0; i<h; i++){\

  297.         const uint64_t a= LD64(pixels  );\

  298.         const uint64_t b= LD64(pixels+1);\

  299.         OP(*((uint64_t*)block), (a|b) - (((a^b)&0xFEFEFEFEFEFEFEFEULL)>>1));\

  300.         pixels+=line_size;\

  301.         block +=line_size;\

  302.     }\

  303. }\

  304. \

  305. void OPNAME ## _no_rnd_pixels_y2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  306. {\

  307.     int i;\

  308.     for(i=0; i<h; i++){\

  309.         const uint64_t a= LD64(pixels          );\

  310.         const uint64_t b= LD64(pixels+line_size);\

  311.         OP(*((uint64_t*)block), (a&b) + (((a^b)&0xFEFEFEFEFEFEFEFEULL)>>1));\

  312.         pixels+=line_size;\

  313.         block +=line_size;\

  314.     }\

  315. }\

  316. \

  317. void OPNAME ## _pixels_y2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  318. {\

  319.     int i;\

  320.     for(i=0; i<h; i++){\

  321.         const uint64_t a= LD64(pixels          );\

  322.         const uint64_t b= LD64(pixels+line_size);\

  323.         OP(*((uint64_t*)block), (a|b) - (((a^b)&0xFEFEFEFEFEFEFEFEULL)>>1));\

  324.         pixels+=line_size;\

  325.         block +=line_size;\

  326.     }\

  327. }\

  328. \

  329. void OPNAME ## _pixels_xy2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  330. {\

  331.         int i;\

  332.         const uint64_t a= LD64(pixels  );\

  333.         const uint64_t b= LD64(pixels+1);\

  334.         uint64_t l0=  (a&0x0303030303030303ULL)\

  335.                     + (b&0x0303030303030303ULL)\

  336.                     + 0x0202020202020202ULL;\

  337.         uint64_t h0= ((a&0xFCFCFCFCFCFCFCFCULL)>>2)\

  338.                    + ((b&0xFCFCFCFCFCFCFCFCULL)>>2);\

  339.         uint64_t l1,h1;\

  340. \

  341.         pixels+=line_size;\

  342.         for(i=0; i<h; i+=2){\

  343.             uint64_t a= LD64(pixels  );\

  344.             uint64_t b= LD64(pixels+1);\

  345.             l1=  (a&0x0303030303030303ULL)\

  346.                + (b&0x0303030303030303ULL);\

  347.             h1= ((a&0xFCFCFCFCFCFCFCFCULL)>>2)\

  348.               + ((b&0xFCFCFCFCFCFCFCFCULL)>>2);\

  349.             OP(*((uint64_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0F0F0F0F0FULL));\

  350.             pixels+=line_size;\

  351.             block +=line_size;\

  352.             a= LD64(pixels  );\

  353.             b= LD64(pixels+1);\

  354.             l0=  (a&0x0303030303030303ULL)\

  355.                + (b&0x0303030303030303ULL)\

  356.                + 0x0202020202020202ULL;\

  357.             h0= ((a&0xFCFCFCFCFCFCFCFCULL)>>2)\

  358.               + ((b&0xFCFCFCFCFCFCFCFCULL)>>2);\

  359.             OP(*((uint64_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0F0F0F0F0FULL));\

  360.             pixels+=line_size;\

  361.             block +=line_size;\

  362.         }\

  363. }\

  364. \

  365. void OPNAME ## _no_rnd_pixels_xy2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  366. {\

  367.         int i;\

  368.         const uint64_t a= LD64(pixels  );\

  369.         const uint64_t b= LD64(pixels+1);\

  370.         uint64_t l0=  (a&0x0303030303030303ULL)\

  371.                     + (b&0x0303030303030303ULL)\

  372.                     + 0x0101010101010101ULL;\

  373.         uint64_t h0= ((a&0xFCFCFCFCFCFCFCFCULL)>>2)\

  374.                    + ((b&0xFCFCFCFCFCFCFCFCULL)>>2);\

  375.         uint64_t l1,h1;\

  376. \

  377.         pixels+=line_size;\

  378.         for(i=0; i<h; i+=2){\

  379.             uint64_t a= LD64(pixels  );\

  380.             uint64_t b= LD64(pixels+1);\

  381.             l1=  (a&0x0303030303030303ULL)\

  382.                + (b&0x0303030303030303ULL);\

  383.             h1= ((a&0xFCFCFCFCFCFCFCFCULL)>>2)\

  384.               + ((b&0xFCFCFCFCFCFCFCFCULL)>>2);\

  385.             OP(*((uint64_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0F0F0F0F0FULL));\

  386.             pixels+=line_size;\

  387.             block +=line_size;\

  388.             a= LD64(pixels  );\

  389.             b= LD64(pixels+1);\

  390.             l0=  (a&0x0303030303030303ULL)\

  391.                + (b&0x0303030303030303ULL)\

  392.                + 0x0101010101010101ULL;\

  393.             h0= ((a&0xFCFCFCFCFCFCFCFCULL)>>2)\

  394.               + ((b&0xFCFCFCFCFCFCFCFCULL)>>2);\

  395.             OP(*((uint64_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0F0F0F0F0FULL));\

  396.             pixels+=line_size;\

  397.             block +=line_size;\

  398.         }\

  399. }\

  400. \

  401. void (*OPNAME ## _pixels_tab[4])(uint8_t *block, const uint8_t *pixels, int line_size, int h) = {\

  402.     OPNAME ## _pixels,\

  403.     OPNAME ## _pixels_x2,\

  404.     OPNAME ## _pixels_y2,\

  405.     OPNAME ## _pixels_xy2,\

  406. };\

  407. \

  408. void (*OPNAME ## _no_rnd_pixels_tab[4])(uint8_t *block, const uint8_t *pixels, int line_size, int h) = {\

  409.     OPNAME ## _pixels,\

  410.     OPNAME ## _no_rnd_pixels_x2,\

  411.     OPNAME ## _no_rnd_pixels_y2,\

  412.     OPNAME ## _no_rnd_pixels_xy2,\

  413. };

  414. 

  415. #define op_avg(a, b) a = ( ((a)|(b)) - ((((a)^(b))&0xFEFEFEFEFEFEFEFEULL)>>1) )

  416. #else // 64 bit variant

  417. 

  418. #define PIXOP2(OPNAME, OP) \

  419. void OPNAME ## _pixels(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  420. {\

  421.     int i;\

  422.     for(i=0; i<h; i++){\

  423.         OP(*((uint32_t*)(block  )), LD32(pixels  ));\

  424.         OP(*((uint32_t*)(block+4)), LD32(pixels+4));\

  425.         pixels+=line_size;\

  426.         block +=line_size;\

  427.     }\

  428. }\

  429. \

  430. void OPNAME ## _no_rnd_pixels_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  431. {\

  432.     int i;\

  433.     for(i=0; i<h; i++){\

  434.         int j;\

  435.         for(j=0; j<2; j++){\

  436.             const uint32_t a= LD32(pixels  );\

  437.             const uint32_t b= LD32(pixels+1);\

  438.             OP(*((uint32_t*)block), (a&b) + (((a^b)&0xFEFEFEFEUL)>>1));\

  439.             pixels+=4;\

  440.             block +=4;\

  441.         }\

  442.         pixels+=line_size-8;\

  443.         block +=line_size-8;\

  444.     }\

  445. }\

  446. \

  447. void OPNAME ## _pixels_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  448. {\

  449.     int i;\

  450.     for(i=0; i<h; i++){\

  451.         int j;\

  452.         for(j=0; j<2; j++){\

  453.             const uint32_t a= LD32(pixels  );\

  454.             const uint32_t b= LD32(pixels+1);\

  455.             OP(*((uint32_t*)block), (a|b) - (((a^b)&0xFEFEFEFEUL)>>1));\

  456.             pixels+=4;\

  457.             block +=4;\

  458.         }\

  459.         pixels+=line_size-8;\

  460.         block +=line_size-8;\

  461.     }\

  462. }\

  463. \

  464. void OPNAME ## _no_rnd_pixels_y2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  465. {\

  466.     int i;\

  467.     for(i=0; i<h; i++){\

  468.         int j;\

  469.         for(j=0; j<2; j++){\

  470.             const uint32_t a= LD32(pixels          );\

  471.             const uint32_t b= LD32(pixels+line_size);\

  472.             OP(*((uint32_t*)block), (a&b) + (((a^b)&0xFEFEFEFEUL)>>1));\

  473.             pixels+=4;\

  474.             block +=4;\

  475.         }\

  476.         pixels+=line_size-8;\

  477.         block +=line_size-8;\

  478.     }\

  479. }\

  480. \

  481. void OPNAME ## _pixels_y2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  482. {\

  483.     int i;\

  484.     for(i=0; i<h; i++){\

  485.         int j;\

  486.         for(j=0; j<2; j++){\

  487.             const uint32_t a= LD32(pixels          );\

  488.             const uint32_t b= LD32(pixels+line_size);\

  489.             OP(*((uint32_t*)block), (a|b) - (((a^b)&0xFEFEFEFEUL)>>1));\

  490.             pixels+=4;\

  491.             block +=4;\

  492.         }\

  493.         pixels+=line_size-8;\

  494.         block +=line_size-8;\

  495.     }\

  496. }\

  497. \

  498. void OPNAME ## _pixels_xy2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  499. {\

  500.     int j;\

  501.     for(j=0; j<2; j++){\

  502.         int i;\

  503.         const uint32_t a= LD32(pixels  );\

  504.         const uint32_t b= LD32(pixels+1);\

  505.         uint32_t l0=  (a&0x03030303UL)\

  506.                     + (b&0x03030303UL)\

  507.                     + 0x02020202UL;\

  508.         uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\

  509.                    + ((b&0xFCFCFCFCUL)>>2);\

  510.         uint32_t l1,h1;\

  511. \

  512.         pixels+=line_size;\

  513.         for(i=0; i<h; i+=2){\

  514.             uint32_t a= LD32(pixels  );\

  515.             uint32_t b= LD32(pixels+1);\

  516.             l1=  (a&0x03030303UL)\

  517.                + (b&0x03030303UL);\

  518.             h1= ((a&0xFCFCFCFCUL)>>2)\

  519.               + ((b&0xFCFCFCFCUL)>>2);\

  520.             OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\

  521.             pixels+=line_size;\

  522.             block +=line_size;\

  523.             a= LD32(pixels  );\

  524.             b= LD32(pixels+1);\

  525.             l0=  (a&0x03030303UL)\

  526.                + (b&0x03030303UL)\

  527.                + 0x02020202UL;\

  528.             h0= ((a&0xFCFCFCFCUL)>>2)\

  529.               + ((b&0xFCFCFCFCUL)>>2);\

  530.             OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\

  531.             pixels+=line_size;\

  532.             block +=line_size;\

  533.         }\

  534.         pixels+=4-line_size*(h+1);\

  535.         block +=4-line_size*h;\

  536.     }\

  537. }\

  538. \

  539. void OPNAME ## _no_rnd_pixels_xy2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  540. {\

  541.     int j;\

  542.     for(j=0; j<2; j++){\

  543.         int i;\

  544.         const uint32_t a= LD32(pixels  );\

  545.         const uint32_t b= LD32(pixels+1);\

  546.         uint32_t l0=  (a&0x03030303UL)\

  547.                     + (b&0x03030303UL)\

  548.                     + 0x01010101UL;\

  549.         uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\

  550.                    + ((b&0xFCFCFCFCUL)>>2);\

  551.         uint32_t l1,h1;\

  552. \

  553.         pixels+=line_size;\

  554.         for(i=0; i<h; i+=2){\

  555.             uint32_t a= LD32(pixels  );\

  556.             uint32_t b= LD32(pixels+1);\

  557.             l1=  (a&0x03030303UL)\

  558.                + (b&0x03030303UL);\

  559.             h1= ((a&0xFCFCFCFCUL)>>2)\

  560.               + ((b&0xFCFCFCFCUL)>>2);\

  561.             OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\

  562.             pixels+=line_size;\

  563.             block +=line_size;\

  564.             a= LD32(pixels  );\

  565.             b= LD32(pixels+1);\

  566.             l0=  (a&0x03030303UL)\

  567.                + (b&0x03030303UL)\

  568.                + 0x01010101UL;\

  569.             h0= ((a&0xFCFCFCFCUL)>>2)\

  570.               + ((b&0xFCFCFCFCUL)>>2);\

  571.             OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\

  572.             pixels+=line_size;\

  573.             block +=line_size;\

  574.         }\

  575.         pixels+=4-line_size*(h+1);\

  576.         block +=4-line_size*h;\

  577.     }\

  578. }\

  579. \

  580. void (*OPNAME ## _pixels_tab[4])(uint8_t *block, const uint8_t *pixels, int line_size, int h) = {\

  581.     OPNAME ## _pixels,\

  582.     OPNAME ## _pixels_x2,\

  583.     OPNAME ## _pixels_y2,\

  584.     OPNAME ## _pixels_xy2,\

  585. };\

  586. \

  587. void (*OPNAME ## _no_rnd_pixels_tab[4])(uint8_t *block, const uint8_t *pixels, int line_size, int h) = {\

  588.     OPNAME ## _pixels,\

  589.     OPNAME ## _no_rnd_pixels_x2,\

  590.     OPNAME ## _no_rnd_pixels_y2,\

  591.     OPNAME ## _no_rnd_pixels_xy2,\

  592. };

  593. #define op_avg(a, b) a = ( ((a)|(b)) - ((((a)^(b))&0xFEFEFEFEUL)>>1) )

  594. #endif

  595. 

  596. #define op_put(a, b) a = b

  597. 

  598. PIXOP2(avg, op_avg)

  599. PIXOP2(put, op_put)

  600. #undef op_avg

  601. #undef op_put

  602. 

  603. #if 0

  604. /* FIXME this stuff could be removed as its ot really used anymore */

  605. #define PIXOP(BTYPE, OPNAME, OP, INCR)                                                   \

  606.                                                                                          \

  607. static void OPNAME ## _pixels(BTYPE *block, const UINT8 *pixels, int line_size, int h)    \

  608. {                                                                                        \

  609.     BTYPE *p;                                                                            \

  610.     const UINT8 *pix;                                                                    \

  611.                                                                                          \

  612.     p = block;                                                                           \

  613.     pix = pixels;                                                                        \

  614.     do {                                                                                 \

  615.         OP(p[0], pix[0]);                                                                  \

  616.         OP(p[1], pix[1]);                                                                  \

  617.         OP(p[2], pix[2]);                                                                  \

  618.         OP(p[3], pix[3]);                                                                  \

  619.         OP(p[4], pix[4]);                                                                  \

  620.         OP(p[5], pix[5]);                                                                  \

  621.         OP(p[6], pix[6]);                                                                  \

  622.         OP(p[7], pix[7]);                                                                  \

  623.         pix += line_size;                                                                \

  624.         p += INCR;                                                                       \

  625.     } while (--h);;                                                                       \

  626. }                                                                                        \

  627.                                                                                          \

  628. static void OPNAME ## _pixels_x2(BTYPE *block, const UINT8 *pixels, int line_size, int h)     \

  629. {                                                                                        \

  630.     BTYPE *p;                                                                          \

  631.     const UINT8 *pix;                                                                    \

  632.                                                                                          \

  633.     p = block;                                                                           \

  634.     pix = pixels;                                                                        \

  635.     do {                                                                   \

  636.         OP(p[0], avg2(pix[0], pix[1]));                                                    \

  637.         OP(p[1], avg2(pix[1], pix[2]));                                                    \

  638.         OP(p[2], avg2(pix[2], pix[3]));                                                    \

  639.         OP(p[3], avg2(pix[3], pix[4]));                                                    \

  640.         OP(p[4], avg2(pix[4], pix[5]));                                                    \

  641.         OP(p[5], avg2(pix[5], pix[6]));                                                    \

  642.         OP(p[6], avg2(pix[6], pix[7]));                                                    \

  643.         OP(p[7], avg2(pix[7], pix[8]));                                                    \

  644.         pix += line_size;                                                                \

  645.         p += INCR;                                                                       \

  646.     } while (--h);                                                                        \

  647. }                                                                                        \

  648.                                                                                          \

  649. static void OPNAME ## _pixels_y2(BTYPE *block, const UINT8 *pixels, int line_size, int h)     \

  650. {                                                                                        \

  651.     BTYPE *p;                                                                          \

  652.     const UINT8 *pix;                                                                    \

  653.     const UINT8 *pix1;                                                                   \

  654.                                                                                          \

  655.     p = block;                                                                           \

  656.     pix = pixels;                                                                        \

  657.     pix1 = pixels + line_size;                                                           \

  658.     do {                                                                                 \

  659.         OP(p[0], avg2(pix[0], pix1[0]));                                                   \

  660.         OP(p[1], avg2(pix[1], pix1[1]));                                                   \

  661.         OP(p[2], avg2(pix[2], pix1[2]));                                                   \

  662.         OP(p[3], avg2(pix[3], pix1[3]));                                                   \

  663.         OP(p[4], avg2(pix[4], pix1[4]));                                                   \

  664.         OP(p[5], avg2(pix[5], pix1[5]));                                                   \

  665.         OP(p[6], avg2(pix[6], pix1[6]));                                                   \

  666.         OP(p[7], avg2(pix[7], pix1[7]));                                                   \

  667.         pix += line_size;                                                                \

  668.         pix1 += line_size;                                                               \

  669.         p += INCR;                                                                       \

  670.     } while(--h);                                                                         \

  671. }                                                                                        \

  672.                                                                                          \

  673. static void OPNAME ## _pixels_xy2(BTYPE *block, const UINT8 *pixels, int line_size, int h)    \

  674. {                                                                                        \

  675.     BTYPE *p;                                                                          \

  676.     const UINT8 *pix;                                                                    \

  677.     const UINT8 *pix1;                                                                   \

  678.                                                                                          \

  679.     p = block;                                                                           \

  680.     pix = pixels;                                                                        \

  681.     pix1 = pixels + line_size;                                                           \

  682.     do {                                                                   \

  683.         OP(p[0], avg4(pix[0], pix[1], pix1[0], pix1[1]));                                  \

  684.         OP(p[1], avg4(pix[1], pix[2], pix1[1], pix1[2]));                                  \

  685.         OP(p[2], avg4(pix[2], pix[3], pix1[2], pix1[3]));                                  \

  686.         OP(p[3], avg4(pix[3], pix[4], pix1[3], pix1[4]));                                  \

  687.         OP(p[4], avg4(pix[4], pix[5], pix1[4], pix1[5]));                                  \

  688.         OP(p[5], avg4(pix[5], pix[6], pix1[5], pix1[6]));                                  \

  689.         OP(p[6], avg4(pix[6], pix[7], pix1[6], pix1[7]));                                  \

  690.         OP(p[7], avg4(pix[7], pix[8], pix1[7], pix1[8]));                                  \

  691.         pix += line_size;                                                                \

  692.         pix1 += line_size;                                                               \

  693.         p += INCR;                                                                       \

  694.     } while(--h);                                                                         \

  695. }                                                                                        \

  696.                                                                                          \

  697. void (*OPNAME ## _pixels_tab[4])(BTYPE *block, const UINT8 *pixels, int line_size, int h) = { \

  698.     OPNAME ## _pixels,                                                                   \

  699.     OPNAME ## _pixels_x2,                                                                \

  700.     OPNAME ## _pixels_y2,                                                                \

  701.     OPNAME ## _pixels_xy2,                                                               \

  702. };

  703. 

  704. /* rounding primitives */

  705. #define avg2(a,b) ((a+b+1)>>1)

  706. #define avg4(a,b,c,d) ((a+b+c+d+2)>>2)

  707. 

  708. #define op_avg(a, b) a = avg2(a, b)

  709. #define op_sub(a, b) a -= b

  710. 

  711. PIXOP(DCTELEM, sub, op_sub, 8)

  712. 

  713. /* not rounding primitives */

  714. #undef avg2

  715. #undef avg4

  716. #define avg2(a,b) ((a+b)>>1)

  717. #define avg4(a,b,c,d) ((a+b+c+d+1)>>2)

  718. 

  719. /* motion estimation */

  720. 

  721. #undef avg2

  722. #undef avg4

  723. #endif

  724. 

  725. #define avg2(a,b) ((a+b+1)>>1)

  726. #define avg4(a,b,c,d) ((a+b+c+d+2)>>2)

  727. 

  728. static void gmc1_c(UINT8 *dst, UINT8 *src, int srcStride, int h, int x16, int y16, int rounder)

  729. {

  730.     const int A=(16-x16)*(16-y16);

  731.     const int B=(   x16)*(16-y16);

  732.     const int C=(16-x16)*(   y16);

  733.     const int D=(   x16)*(   y16);

  734.     int i;

  735.     rounder= 128 - rounder;

  736. 

  737.     for(i=0; i<h; i++)

  738.     {

  739.         dst[0]= (A*src[0] + B*src[1] + C*src[srcStride+0] + D*src[srcStride+1] + rounder)>>8;

  740.         dst[1]= (A*src[1] + B*src[2] + C*src[srcStride+1] + D*src[srcStride+2] + rounder)>>8;

  741.         dst[2]= (A*src[2] + B*src[3] + C*src[srcStride+2] + D*src[srcStride+3] + rounder)>>8;

  742.         dst[3]= (A*src[3] + B*src[4] + C*src[srcStride+3] + D*src[srcStride+4] + rounder)>>8;

  743.         dst[4]= (A*src[4] + B*src[5] + C*src[srcStride+4] + D*src[srcStride+5] + rounder)>>8;

  744.         dst[5]= (A*src[5] + B*src[6] + C*src[srcStride+5] + D*src[srcStride+6] + rounder)>>8;

  745.         dst[6]= (A*src[6] + B*src[7] + C*src[srcStride+6] + D*src[srcStride+7] + rounder)>>8;

  746.         dst[7]= (A*src[7] + B*src[8] + C*src[srcStride+7] + D*src[srcStride+8] + rounder)>>8;

  747.         dst+= srcStride;

  748.         src+= srcStride;

  749.     }

  750. }

  751. 

  752. static void qpel_h_lowpass(UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int h, int r)

  753. {

  754.     UINT8 *cm = cropTbl + MAX_NEG_CROP;

  755.     int i;

  756.     for(i=0; i<h; i++)

  757.     {

  758.         dst[0]= cm[(((src[0]+src[1])*20 - (src[0]+src[2])*6 + (src[1]+src[3])*3 - (src[2]+src[4]) + r)>>5)];

  759.         dst[1]= cm[(((src[1]+src[2])*20 - (src[0]+src[3])*6 + (src[0]+src[4])*3 - (src[1]+src[5]) + r)>>5)];

  760.         dst[2]= cm[(((src[2]+src[3])*20 - (src[1]+src[4])*6 + (src[0]+src[5])*3 - (src[0]+src[6]) + r)>>5)];

  761.         dst[3]= cm[(((src[3]+src[4])*20 - (src[2]+src[5])*6 + (src[1]+src[6])*3 - (src[0]+src[7]) + r)>>5)];

  762.         dst[4]= cm[(((src[4]+src[5])*20 - (src[3]+src[6])*6 + (src[2]+src[7])*3 - (src[1]+src[8]) + r)>>5)];

  763.         dst[5]= cm[(((src[5]+src[6])*20 - (src[4]+src[7])*6 + (src[3]+src[8])*3 - (src[2]+src[8]) + r)>>5)];

  764.         dst[6]= cm[(((src[6]+src[7])*20 - (src[5]+src[8])*6 + (src[4]+src[8])*3 - (src[3]+src[7]) + r)>>5)];

  765.         dst[7]= cm[(((src[7]+src[8])*20 - (src[6]+src[8])*6 + (src[5]+src[7])*3 - (src[4]+src[6]) + r)>>5)];

  766.         dst+=dstStride;

  767.         src+=srcStride;

  768.     }

  769. }

  770. 

  771. static void qpel_v_lowpass(UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int w, int r)

  772. {

  773.     UINT8 *cm = cropTbl + MAX_NEG_CROP;

  774.     int i;

  775.     for(i=0; i<w; i++)

  776.     {

  777.         const int src0= src[0*srcStride];

  778.         const int src1= src[1*srcStride];

  779.         const int src2= src[2*srcStride];

  780.         const int src3= src[3*srcStride];

  781.         const int src4= src[4*srcStride];

  782.         const int src5= src[5*srcStride];

  783.         const int src6= src[6*srcStride];

  784.         const int src7= src[7*srcStride];

  785.         const int src8= src[8*srcStride];

  786.         dst[0*dstStride]= cm[(((src0+src1)*20 - (src0+src2)*6 + (src1+src3)*3 - (src2+src4) + r)>>5)];

  787.         dst[1*dstStride]= cm[(((src1+src2)*20 - (src0+src3)*6 + (src0+src4)*3 - (src1+src5) + r)>>5)];

  788.         dst[2*dstStride]= cm[(((src2+src3)*20 - (src1+src4)*6 + (src0+src5)*3 - (src0+src6) + r)>>5)];

  789.         dst[3*dstStride]= cm[(((src3+src4)*20 - (src2+src5)*6 + (src1+src6)*3 - (src0+src7) + r)>>5)];

  790.         dst[4*dstStride]= cm[(((src4+src5)*20 - (src3+src6)*6 + (src2+src7)*3 - (src1+src8) + r)>>5)];

  791.         dst[5*dstStride]= cm[(((src5+src6)*20 - (src4+src7)*6 + (src3+src8)*3 - (src2+src8) + r)>>5)];

  792.         dst[6*dstStride]= cm[(((src6+src7)*20 - (src5+src8)*6 + (src4+src8)*3 - (src3+src7) + r)>>5)];

  793.         dst[7*dstStride]= cm[(((src7+src8)*20 - (src6+src8)*6 + (src5+src7)*3 - (src4+src6) + r)>>5)];

  794.         dst++;

  795.         src++;

  796.     }

  797. }

  798. 

  799. static inline void put_block(UINT8 *dst, UINT8 *src, int dstStride, int srcStride)

  800. {

  801.     int i;

  802.     for(i=0; i<8; i++)

  803.     {

  804.         dst[0]= src[0];

  805.         dst[1]= src[1];

  806.         dst[2]= src[2];

  807.         dst[3]= src[3];

  808.         dst[4]= src[4];

  809.         dst[5]= src[5];

  810.         dst[6]= src[6];

  811.         dst[7]= src[7];

  812.         dst+=dstStride;

  813.         src+=srcStride;

  814.     }

  815. }

  816. 

  817. static inline void avg2_block(UINT8 *dst, UINT8 *src1, UINT8 *src2, int dstStride, int srcStride, int r)

  818. {

  819.     int i;

  820.     for(i=0; i<8; i++)

  821.     {

  822.         dst[0]= (src1[0] + src2[0] + r)>>1;

  823.         dst[1]= (src1[1] + src2[1] + r)>>1;

  824.         dst[2]= (src1[2] + src2[2] + r)>>1;

  825.         dst[3]= (src1[3] + src2[3] + r)>>1;

  826.         dst[4]= (src1[4] + src2[4] + r)>>1;

  827.         dst[5]= (src1[5] + src2[5] + r)>>1;

  828.         dst[6]= (src1[6] + src2[6] + r)>>1;

  829.         dst[7]= (src1[7] + src2[7] + r)>>1;

  830.         dst+=dstStride;

  831.         src1+=srcStride;

  832.         src2+=8;

  833.     }

  834. }

  835. 

  836. static inline void avg4_block(UINT8 *dst, UINT8 *src1, UINT8 *src2, UINT8 *src3, UINT8 *src4, int dstStride, int srcStride, int r)

  837. {

  838.     int i;

  839.     for(i=0; i<8; i++)

  840.     {

  841.         dst[0]= (src1[0] + src2[0] + src3[0] + src4[0] + r)>>2;

  842.         dst[1]= (src1[1] + src2[1] + src3[1] + src4[1] + r)>>2;

  843.         dst[2]= (src1[2] + src2[2] + src3[2] + src4[2] + r)>>2;

  844.         dst[3]= (src1[3] + src2[3] + src3[3] + src4[3] + r)>>2;

  845.         dst[4]= (src1[4] + src2[4] + src3[4] + src4[4] + r)>>2;

  846.         dst[5]= (src1[5] + src2[5] + src3[5] + src4[5] + r)>>2;

  847.         dst[6]= (src1[6] + src2[6] + src3[6] + src4[6] + r)>>2;

  848.         dst[7]= (src1[7] + src2[7] + src3[7] + src4[7] + r)>>2;

  849.         dst+=dstStride;

  850.         src1+=srcStride;

  851.         src2+=8;

  852.         src3+=8;

  853.         src4+=8;

  854.     }

  855. }

  856. 

  857. #define QPEL_MC(r, name) \

  858. static void qpel_mc00_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  859. {\

  860.     put_block(dst, src, dstStride, srcStride);\

  861. }\

  862. \

  863. static void qpel_mc10_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  864. {\

  865.     UINT8 half[64];\

  866.     qpel_h_lowpass(half, src, 8, srcStride, 8, 16-r);\

  867.     avg2_block(dst, src, half, dstStride, srcStride, 1-r);\

  868. }\

  869. \

  870. static void qpel_mc20_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  871. {\

  872.     qpel_h_lowpass(dst, src, dstStride, srcStride, 8, 16-r);\

  873. }\

  874. \

  875. static void qpel_mc30_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  876. {\

  877.     UINT8 half[64];\

  878.     qpel_h_lowpass(half, src, 8, srcStride, 8, 16-r);\

  879.     avg2_block(dst, src+1, half, dstStride, srcStride, 1-r);\

  880. }\

  881. \

  882. static void qpel_mc01_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  883. {\

  884.     UINT8 half[64];\

  885.     qpel_v_lowpass(half, src, 8, srcStride, 8, 16-r);\

  886.     avg2_block(dst, src, half, dstStride, srcStride, 1-r);\

  887. }\

  888. \

  889. static void qpel_mc02_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  890. {\

  891.     qpel_v_lowpass(dst, src, dstStride, srcStride, 8, 16-r);\

  892. }\

  893. \

  894. static void qpel_mc03_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  895. {\

  896.     UINT8 half[64];\

  897.     qpel_v_lowpass(half, src, 8, srcStride, 8, 16-r);\

  898.     avg2_block(dst, src+srcStride, half, dstStride, srcStride, 1-r);\

  899. }\

  900. static void qpel_mc11_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  901. {\

  902.     UINT8 halfH[72];\

  903.     UINT8 halfV[64];\

  904.     UINT8 halfHV[64];\

  905.     qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\

  906.     qpel_v_lowpass(halfV, src, 8, srcStride, 8, 16-r);\

  907.     qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\

  908.     avg4_block(dst, src, halfH, halfV, halfHV, dstStride, srcStride, 2-r);\

  909. }\

  910. static void qpel_mc31_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  911. {\

  912.     UINT8 halfH[72];\

  913.     UINT8 halfV[64];\

  914.     UINT8 halfHV[64];\

  915.     qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\

  916.     qpel_v_lowpass(halfV, src+1, 8, srcStride, 8, 16-r);\

  917.     qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\

  918.     avg4_block(dst, src+1, halfH, halfV, halfHV, dstStride, srcStride, 2-r);\

  919. }\

  920. static void qpel_mc13_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  921. {\

  922.     UINT8 halfH[72];\

  923.     UINT8 halfV[64];\

  924.     UINT8 halfHV[64];\

  925.     qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\

  926.     qpel_v_lowpass(halfV, src, 8, srcStride, 8, 16-r);\

  927.     qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\

  928.     avg4_block(dst, src+srcStride, halfH+8, halfV, halfHV, dstStride, srcStride, 2-r);\

  929. }\

  930. static void qpel_mc33_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  931. {\

  932.     UINT8 halfH[72];\

  933.     UINT8 halfV[64];\

  934.     UINT8 halfHV[64];\

  935.     qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\

  936.     qpel_v_lowpass(halfV, src+1, 8, srcStride, 8, 16-r);\

  937.     qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\

  938.     avg4_block(dst, src+srcStride+1, halfH+8, halfV, halfHV, dstStride, srcStride, 2-r);\

  939. }\

  940. static void qpel_mc21_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  941. {\

  942.     UINT8 halfH[72];\

  943.     UINT8 halfHV[64];\

  944.     qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\

  945.     qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\

  946.     avg2_block(dst, halfH, halfHV, dstStride, 8, 1-r);\

  947. }\

  948. static void qpel_mc23_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  949. {\

  950.     UINT8 halfH[72];\

  951.     UINT8 halfHV[64];\

  952.     qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\

  953.     qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\

  954.     avg2_block(dst, halfH+8, halfHV, dstStride, 8, 1-r);\

  955. }\

  956. static void qpel_mc12_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  957. {\

  958.     UINT8 halfH[72];\

  959.     UINT8 halfV[64];\

  960.     UINT8 halfHV[64];\

  961.     qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\

  962.     qpel_v_lowpass(halfV, src, 8, srcStride, 8, 16-r);\

  963.     qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\

  964.     avg2_block(dst, halfV, halfHV, dstStride, 8, 1-r);\

  965. }\

  966. static void qpel_mc32_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  967. {\

  968.     UINT8 halfH[72];\

  969.     UINT8 halfV[64];\

  970.     UINT8 halfHV[64];\

  971.     qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\

  972.     qpel_v_lowpass(halfV, src+1, 8, srcStride, 8, 16-r);\

  973.     qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\

  974.     avg2_block(dst, halfV, halfHV, dstStride, 8, 1-r);\

  975. }\

  976. static void qpel_mc22_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\

  977. {\

  978.     UINT8 halfH[72];\

  979.     qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\

  980.     qpel_v_lowpass(dst, halfH, dstStride, 8, 8, 16-r);\

  981. }\

  982. qpel_mc_func qpel_mc ## name ## _tab[16]={ \

  983.     qpel_mc00_c ## name,                                                                   \

  984.     qpel_mc10_c ## name,                                                                   \

  985.     qpel_mc20_c ## name,                                                                   \

  986.     qpel_mc30_c ## name,                                                                   \

  987.     qpel_mc01_c ## name,                                                                   \

  988.     qpel_mc11_c ## name,                                                                   \

  989.     qpel_mc21_c ## name,                                                                   \

  990.     qpel_mc31_c ## name,                                                                   \

  991.     qpel_mc02_c ## name,                                                                   \

  992.     qpel_mc12_c ## name,                                                                   \

  993.     qpel_mc22_c ## name,                                                                   \

  994.     qpel_mc32_c ## name,                                                                   \

  995.     qpel_mc03_c ## name,                                                                   \

  996.     qpel_mc13_c ## name,                                                                   \

  997.     qpel_mc23_c ## name,                                                                   \

  998.     qpel_mc33_c ## name,                                                                   \

  999. };

  1000. 

  1001. QPEL_MC(0, _rnd)

  1002. QPEL_MC(1, _no_rnd)

  1003. 

  1004. int pix_abs16x16_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1005. {

  1006.     int s, i;

  1007. 

  1008.     s = 0;

  1009.     for(i=0;i<16;i++) {

  1010.         s += abs(pix1[0] - pix2[0]);

  1011.         s += abs(pix1[1] - pix2[1]);

  1012.         s += abs(pix1[2] - pix2[2]);

  1013.         s += abs(pix1[3] - pix2[3]);

  1014.         s += abs(pix1[4] - pix2[4]);

  1015.         s += abs(pix1[5] - pix2[5]);

  1016.         s += abs(pix1[6] - pix2[6]);

  1017.         s += abs(pix1[7] - pix2[7]);

  1018.         s += abs(pix1[8] - pix2[8]);

  1019.         s += abs(pix1[9] - pix2[9]);

  1020.         s += abs(pix1[10] - pix2[10]);

  1021.         s += abs(pix1[11] - pix2[11]);

  1022.         s += abs(pix1[12] - pix2[12]);

  1023.         s += abs(pix1[13] - pix2[13]);

  1024.         s += abs(pix1[14] - pix2[14]);

  1025.         s += abs(pix1[15] - pix2[15]);

  1026.         pix1 += line_size;

  1027.         pix2 += line_size;

  1028.     }

  1029.     return s;

  1030. }

  1031. 

  1032. int pix_abs16x16_x2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1033. {

  1034.     int s, i;

  1035. 

  1036.     s = 0;

  1037.     for(i=0;i<16;i++) {

  1038.         s += abs(pix1[0] - avg2(pix2[0], pix2[1]));

  1039.         s += abs(pix1[1] - avg2(pix2[1], pix2[2]));

  1040.         s += abs(pix1[2] - avg2(pix2[2], pix2[3]));

  1041.         s += abs(pix1[3] - avg2(pix2[3], pix2[4]));

  1042.         s += abs(pix1[4] - avg2(pix2[4], pix2[5]));

  1043.         s += abs(pix1[5] - avg2(pix2[5], pix2[6]));

  1044.         s += abs(pix1[6] - avg2(pix2[6], pix2[7]));

  1045.         s += abs(pix1[7] - avg2(pix2[7], pix2[8]));

  1046.         s += abs(pix1[8] - avg2(pix2[8], pix2[9]));

  1047.         s += abs(pix1[9] - avg2(pix2[9], pix2[10]));

  1048.         s += abs(pix1[10] - avg2(pix2[10], pix2[11]));

  1049.         s += abs(pix1[11] - avg2(pix2[11], pix2[12]));

  1050.         s += abs(pix1[12] - avg2(pix2[12], pix2[13]));

  1051.         s += abs(pix1[13] - avg2(pix2[13], pix2[14]));

  1052.         s += abs(pix1[14] - avg2(pix2[14], pix2[15]));

  1053.         s += abs(pix1[15] - avg2(pix2[15], pix2[16]));

  1054.         pix1 += line_size;

  1055.         pix2 += line_size;

  1056.     }

  1057.     return s;

  1058. }

  1059. 

  1060. int pix_abs16x16_y2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1061. {

  1062.     int s, i;

  1063.     UINT8 *pix3 = pix2 + line_size;

  1064. 

  1065.     s = 0;

  1066.     for(i=0;i<16;i++) {

  1067.         s += abs(pix1[0] - avg2(pix2[0], pix3[0]));

  1068.         s += abs(pix1[1] - avg2(pix2[1], pix3[1]));

  1069.         s += abs(pix1[2] - avg2(pix2[2], pix3[2]));

  1070.         s += abs(pix1[3] - avg2(pix2[3], pix3[3]));

  1071.         s += abs(pix1[4] - avg2(pix2[4], pix3[4]));

  1072.         s += abs(pix1[5] - avg2(pix2[5], pix3[5]));

  1073.         s += abs(pix1[6] - avg2(pix2[6], pix3[6]));

  1074.         s += abs(pix1[7] - avg2(pix2[7], pix3[7]));

  1075.         s += abs(pix1[8] - avg2(pix2[8], pix3[8]));

  1076.         s += abs(pix1[9] - avg2(pix2[9], pix3[9]));

  1077.         s += abs(pix1[10] - avg2(pix2[10], pix3[10]));

  1078.         s += abs(pix1[11] - avg2(pix2[11], pix3[11]));

  1079.         s += abs(pix1[12] - avg2(pix2[12], pix3[12]));

  1080.         s += abs(pix1[13] - avg2(pix2[13], pix3[13]));

  1081.         s += abs(pix1[14] - avg2(pix2[14], pix3[14]));

  1082.         s += abs(pix1[15] - avg2(pix2[15], pix3[15]));

  1083.         pix1 += line_size;

  1084.         pix2 += line_size;

  1085.         pix3 += line_size;

  1086.     }

  1087.     return s;

  1088. }

  1089. 

  1090. int pix_abs16x16_xy2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1091. {

  1092.     int s, i;

  1093.     UINT8 *pix3 = pix2 + line_size;

  1094. 

  1095.     s = 0;

  1096.     for(i=0;i<16;i++) {

  1097.         s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1]));

  1098.         s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2]));

  1099.         s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3]));

  1100.         s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4]));

  1101.         s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5]));

  1102.         s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6]));

  1103.         s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7]));

  1104.         s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8]));

  1105.         s += abs(pix1[8] - avg4(pix2[8], pix2[9], pix3[8], pix3[9]));

  1106.         s += abs(pix1[9] - avg4(pix2[9], pix2[10], pix3[9], pix3[10]));

  1107.         s += abs(pix1[10] - avg4(pix2[10], pix2[11], pix3[10], pix3[11]));

  1108.         s += abs(pix1[11] - avg4(pix2[11], pix2[12], pix3[11], pix3[12]));

  1109.         s += abs(pix1[12] - avg4(pix2[12], pix2[13], pix3[12], pix3[13]));

  1110.         s += abs(pix1[13] - avg4(pix2[13], pix2[14], pix3[13], pix3[14]));

  1111.         s += abs(pix1[14] - avg4(pix2[14], pix2[15], pix3[14], pix3[15]));

  1112.         s += abs(pix1[15] - avg4(pix2[15], pix2[16], pix3[15], pix3[16]));

  1113.         pix1 += line_size;

  1114.         pix2 += line_size;

  1115.         pix3 += line_size;

  1116.     }

  1117.     return s;

  1118. }

  1119. 

  1120. int pix_abs8x8_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1121. {

  1122.     int s, i;

  1123. 

  1124.     s = 0;

  1125.     for(i=0;i<8;i++) {

  1126.         s += abs(pix1[0] - pix2[0]);

  1127.         s += abs(pix1[1] - pix2[1]);

  1128.         s += abs(pix1[2] - pix2[2]);

  1129.         s += abs(pix1[3] - pix2[3]);

  1130.         s += abs(pix1[4] - pix2[4]);

  1131.         s += abs(pix1[5] - pix2[5]);

  1132.         s += abs(pix1[6] - pix2[6]);

  1133.         s += abs(pix1[7] - pix2[7]);

  1134.         pix1 += line_size;

  1135.         pix2 += line_size;

  1136.     }

  1137.     return s;

  1138. }

  1139. 

  1140. int pix_abs8x8_x2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1141. {

  1142.     int s, i;

  1143. 

  1144.     s = 0;

  1145.     for(i=0;i<8;i++) {

  1146.         s += abs(pix1[0] - avg2(pix2[0], pix2[1]));

  1147.         s += abs(pix1[1] - avg2(pix2[1], pix2[2]));

  1148.         s += abs(pix1[2] - avg2(pix2[2], pix2[3]));

  1149.         s += abs(pix1[3] - avg2(pix2[3], pix2[4]));

  1150.         s += abs(pix1[4] - avg2(pix2[4], pix2[5]));

  1151.         s += abs(pix1[5] - avg2(pix2[5], pix2[6]));

  1152.         s += abs(pix1[6] - avg2(pix2[6], pix2[7]));

  1153.         s += abs(pix1[7] - avg2(pix2[7], pix2[8]));

  1154.         pix1 += line_size;

  1155.         pix2 += line_size;

  1156.     }

  1157.     return s;

  1158. }

  1159. 

  1160. int pix_abs8x8_y2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1161. {

  1162.     int s, i;

  1163.     UINT8 *pix3 = pix2 + line_size;

  1164. 

  1165.     s = 0;

  1166.     for(i=0;i<8;i++) {

  1167.         s += abs(pix1[0] - avg2(pix2[0], pix3[0]));

  1168.         s += abs(pix1[1] - avg2(pix2[1], pix3[1]));

  1169.         s += abs(pix1[2] - avg2(pix2[2], pix3[2]));

  1170.         s += abs(pix1[3] - avg2(pix2[3], pix3[3]));

  1171.         s += abs(pix1[4] - avg2(pix2[4], pix3[4]));

  1172.         s += abs(pix1[5] - avg2(pix2[5], pix3[5]));

  1173.         s += abs(pix1[6] - avg2(pix2[6], pix3[6]));

  1174.         s += abs(pix1[7] - avg2(pix2[7], pix3[7]));

  1175.         pix1 += line_size;

  1176.         pix2 += line_size;

  1177.         pix3 += line_size;

  1178.     }

  1179.     return s;

  1180. }

  1181. 

  1182. int pix_abs8x8_xy2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1183. {

  1184.     int s, i;

  1185.     UINT8 *pix3 = pix2 + line_size;

  1186. 

  1187.     s = 0;

  1188.     for(i=0;i<8;i++) {

  1189.         s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1]));

  1190.         s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2]));

  1191.         s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3]));

  1192.         s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4]));

  1193.         s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5]));

  1194.         s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6]));

  1195.         s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7]));

  1196.         s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8]));

  1197.         pix1 += line_size;

  1198.         pix2 += line_size;

  1199.         pix3 += line_size;

  1200.     }

  1201.     return s;

  1202. }

  1203. 

  1204. /* permute block according so that it corresponds to the MMX idct

  1205.    order */

  1206. #ifdef SIMPLE_IDCT

  1207.  /* general permutation, but perhaps slightly slower */

  1208. void block_permute(INT16 *block)

  1209. {

  1210. 	int i;

  1211. 	INT16 temp[64];

  1212. 

  1213. 	for(i=0; i<64; i++) temp[ block_permute_op(i) ] = block[i];

  1214. 

  1215. 	for(i=0; i<64; i++) block[i] = temp[i];

  1216. }

  1217. #else

  1218. 

  1219. void block_permute(INT16 *block)

  1220. {

  1221.     int tmp1, tmp2, tmp3, tmp4, tmp5, tmp6;

  1222.     int i;

  1223. 

  1224.     for(i=0;i<8;i++) {

  1225.         tmp1 = block[1];

  1226.         tmp2 = block[2];

  1227.         tmp3 = block[3];

  1228.         tmp4 = block[4];

  1229.         tmp5 = block[5];

  1230.         tmp6 = block[6];

  1231.         block[1] = tmp2;

  1232.         block[2] = tmp4;

  1233.         block[3] = tmp6;

  1234.         block[4] = tmp1;

  1235.         block[5] = tmp3;

  1236.         block[6] = tmp5;

  1237.         block += 8;

  1238.     }

  1239. }

  1240. #endif

  1241. 

  1242. void clear_blocks_c(DCTELEM *blocks)

  1243. {

  1244.     memset(blocks, 0, sizeof(DCTELEM)*6*64);

  1245. }

  1246. 

  1247. void dsputil_init(void)

  1248. {

  1249.     int i, j;

  1250.     int use_permuted_idct;

  1251. 

  1252.     for(i=0;i<256;i++) cropTbl[i + MAX_NEG_CROP] = i;

  1253.     for(i=0;i<MAX_NEG_CROP;i++) {

  1254.         cropTbl[i] = 0;

  1255.         cropTbl[i + MAX_NEG_CROP + 256] = 255;

  1256.     }

  1257. 

  1258.     for(i=0;i<512;i++) {

  1259.         squareTbl[i] = (i - 256) * (i - 256);

  1260.     }

  1261. 

  1262. #ifdef SIMPLE_IDCT

  1263.     ff_idct = simple_idct;

  1264. #else

  1265.     ff_idct = j_rev_dct;

  1266. #endif

  1267.     get_pixels = get_pixels_c;

  1268.     diff_pixels = diff_pixels_c;

  1269.     put_pixels_clamped = put_pixels_clamped_c;

  1270.     add_pixels_clamped = add_pixels_clamped_c;

  1271.     gmc1= gmc1_c;

  1272.     clear_blocks= clear_blocks_c;

  1273. 

  1274.     pix_abs16x16     = pix_abs16x16_c;

  1275.     pix_abs16x16_x2  = pix_abs16x16_x2_c;

  1276.     pix_abs16x16_y2  = pix_abs16x16_y2_c;

  1277.     pix_abs16x16_xy2 = pix_abs16x16_xy2_c;

  1278.     pix_abs8x8     = pix_abs8x8_c;

  1279.     pix_abs8x8_x2  = pix_abs8x8_x2_c;

  1280.     pix_abs8x8_y2  = pix_abs8x8_y2_c;

  1281.     pix_abs8x8_xy2 = pix_abs8x8_xy2_c;

  1282.     av_fdct = fdct_ifast;

  1283. 

  1284.     use_permuted_idct = 1;

  1285. 

  1286. #ifdef HAVE_MMX

  1287.     dsputil_init_mmx();

  1288. #endif

  1289. #ifdef ARCH_ARMV4L

  1290.     dsputil_init_armv4l();

  1291. #endif

  1292. #ifdef HAVE_MLIB

  1293.     dsputil_init_mlib();

  1294.     use_permuted_idct = 0;

  1295. #endif

  1296. #ifdef ARCH_ALPHA

  1297.     dsputil_init_alpha();

  1298.     use_permuted_idct = 0;

  1299. #endif

  1300. 

  1301. #ifdef SIMPLE_IDCT

  1302.     if(ff_idct == simple_idct) use_permuted_idct=0;

  1303. #endif

  1304. 

  1305.     if(use_permuted_idct)

  1306. #ifdef SIMPLE_IDCT

  1307.         for(i=0; i<64; i++) permutation[i]= simple_mmx_permutation[i];

  1308. #else

  1309.         for(i=0; i<64; i++) permutation[i]= (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2);

  1310. #endif

  1311.     else

  1312.         for(i=0; i<64; i++) permutation[i]=i;

  1313. 

  1314.     for(i=0; i<64; i++) inv_zigzag_direct16[zigzag_direct[i]]= i+1;

  1315.     for(i=0; i<64; i++) zigzag_direct_noperm[i]= zigzag_direct[i];

  1316.     

  1317.     if (use_permuted_idct) {

  1318.         /* permute for IDCT */

  1319.         for(i=0;i<64;i++) {

  1320.             j = zigzag_direct[i];

  1321.             zigzag_direct[i] = block_permute_op(j);

  1322.             j = ff_alternate_horizontal_scan[i];

  1323.             ff_alternate_horizontal_scan[i] = block_permute_op(j);

  1324.             j = ff_alternate_vertical_scan[i];

  1325.             ff_alternate_vertical_scan[i] = block_permute_op(j);

  1326.         }

  1327.         block_permute(default_intra_matrix);

  1328.         block_permute(default_non_intra_matrix);

  1329.         block_permute(ff_mpeg4_default_intra_matrix);

  1330.         block_permute(ff_mpeg4_default_non_intra_matrix);

  1331.     }

  1332.     

  1333.     build_zigzag_end();

  1334. }

  1335. 

  1336. /* remove any non bit exact operation (testing purpose) */

  1337. void avcodec_set_bit_exact(void)

  1338. {

  1339. #ifdef HAVE_MMX

  1340.     dsputil_set_bit_exact_mmx();

  1341. #endif

  1342. }

  1343. 

  1344. void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],

  1345.               int orig_linesize[3], int coded_linesize,

  1346.               AVCodecContext *avctx)

  1347. {

  1348.     int quad, diff, x, y;

  1349.     UINT8 *orig, *coded;

  1350.     UINT32 *sq = squareTbl + 256;

  1351.     

  1352.     quad = 0;

  1353.     diff = 0;

  1354.     

  1355.     /* Luminance */

  1356.     orig = orig_image[0];

  1357.     coded = coded_image[0];

  1358.     

  1359.     for (y=0;y<avctx->height;y++) {

  1360.         for (x=0;x<avctx->width;x++) {

  1361.             diff = *(orig + x) - *(coded + x);

  1362.             quad += sq[diff];

  1363.         }

  1364.         orig += orig_linesize[0];

  1365.         coded += coded_linesize;

  1366.     }

  1367.    

  1368.     avctx->psnr_y = (float) quad / (float) (avctx->width * avctx->height);

  1369.     

  1370.     if (avctx->psnr_y) {

  1371.         avctx->psnr_y = (float) (255 * 255) / avctx->psnr_y;

  1372.         avctx->psnr_y = 10 * (float) log10 (avctx->psnr_y); 

  1373.     } else

  1374.         avctx->psnr_y = 99.99;

  1375. }