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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 (*ff_idct_put)(UINT8 *dest, int line_size, DCTELEM *block);

  27. void (*ff_idct_add)(UINT8 *dest, int line_size, DCTELEM *block);

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

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

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

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

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

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

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

  35. 

  36. op_pixels_abs_func pix_abs16x16;

  37. op_pixels_abs_func pix_abs16x16_x2;

  38. op_pixels_abs_func pix_abs16x16_y2;

  39. op_pixels_abs_func pix_abs16x16_xy2;

  40. 

  41. op_pixels_abs_func pix_abs8x8;

  42. op_pixels_abs_func pix_abs8x8_x2;

  43. op_pixels_abs_func pix_abs8x8_y2;

  44. op_pixels_abs_func pix_abs8x8_xy2;

  45. 

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

  47. UINT32 squareTbl[512];

  48. 

  49. extern INT16 ff_mpeg1_default_intra_matrix[64];

  50. extern INT16 ff_mpeg1_default_non_intra_matrix[64];

  51. extern INT16 ff_mpeg4_default_intra_matrix[64];

  52. extern INT16 ff_mpeg4_default_non_intra_matrix[64];

  53. 

  54. UINT8 zigzag_direct[64] = {

  55.     0, 1, 8, 16, 9, 2, 3, 10,

  56.     17, 24, 32, 25, 18, 11, 4, 5,

  57.     12, 19, 26, 33, 40, 48, 41, 34,

  58.     27, 20, 13, 6, 7, 14, 21, 28,

  59.     35, 42, 49, 56, 57, 50, 43, 36,

  60.     29, 22, 15, 23, 30, 37, 44, 51,

  61.     58, 59, 52, 45, 38, 31, 39, 46,

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

  63. };

  64. 

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

  66. UINT16 __align8 inv_zigzag_direct16[64];

  67. 

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

  69. UINT8 zigzag_direct_noperm[64];

  70. 

  71. UINT8 ff_alternate_horizontal_scan[64] = {

  72.     0,  1,  2,  3,  8,  9, 16, 17, 

  73.     10, 11,  4,  5,  6,  7, 15, 14,

  74.     13, 12, 19, 18, 24, 25, 32, 33, 

  75.     26, 27, 20, 21, 22, 23, 28, 29,

  76.     30, 31, 34, 35, 40, 41, 48, 49, 

  77.     42, 43, 36, 37, 38, 39, 44, 45,

  78.     46, 47, 50, 51, 56, 57, 58, 59, 

  79.     52, 53, 54, 55, 60, 61, 62, 63,

  80. };

  81. 

  82. UINT8 ff_alternate_vertical_scan[64] = {

  83.     0,  8, 16, 24,  1,  9,  2, 10, 

  84.     17, 25, 32, 40, 48, 56, 57, 49,

  85.     41, 33, 26, 18,  3, 11,  4, 12, 

  86.     19, 27, 34, 42, 50, 58, 35, 43,

  87.     51, 59, 20, 28,  5, 13,  6, 14, 

  88.     21, 29, 36, 44, 52, 60, 37, 45,

  89.     53, 61, 22, 30,  7, 15, 23, 31, 

  90.     38, 46, 54, 62, 39, 47, 55, 63,

  91. };

  92. 

  93. #ifdef SIMPLE_IDCT

  94. 

  95. /* Input permutation for the simple_idct_mmx */

  96. static UINT8 simple_mmx_permutation[64]={

  97. 	0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D, 

  98. 	0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D, 

  99. 	0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D, 

  100. 	0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F, 

  101. 	0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F, 

  102. 	0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D, 

  103. 	0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F, 

  104. 	0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,

  105. };

  106. #endif

  107. 

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

  109. UINT32 inverse[256]={

  110.          0, 4294967295U,2147483648U,1431655766, 1073741824,  858993460,  715827883,  613566757, 

  111.  536870912,  477218589,  429496730,  390451573,  357913942,  330382100,  306783379,  286331154, 

  112.  268435456,  252645136,  238609295,  226050911,  214748365,  204522253,  195225787,  186737709, 

  113.  178956971,  171798692,  165191050,  159072863,  153391690,  148102321,  143165577,  138547333, 

  114.  134217728,  130150525,  126322568,  122713352,  119304648,  116080198,  113025456,  110127367, 

  115.  107374183,  104755300,  102261127,   99882961,   97612894,   95443718,   93368855,   91382283, 

  116.   89478486,   87652394,   85899346,   84215046,   82595525,   81037119,   79536432,   78090315, 

  117.   76695845,   75350304,   74051161,   72796056,   71582789,   70409300,   69273667,   68174085, 

  118.   67108864,   66076420,   65075263,   64103990,   63161284,   62245903,   61356676,   60492498, 

  119.   59652324,   58835169,   58040099,   57266231,   56512728,   55778797,   55063684,   54366675, 

  120.   53687092,   53024288,   52377650,   51746594,   51130564,   50529028,   49941481,   49367441, 

  121.   48806447,   48258060,   47721859,   47197443,   46684428,   46182445,   45691142,   45210183, 

  122.   44739243,   44278014,   43826197,   43383509,   42949673,   42524429,   42107523,   41698712, 

  123.   41297763,   40904451,   40518560,   40139882,   39768216,   39403370,   39045158,   38693400, 

  124.   38347923,   38008561,   37675152,   37347542,   37025581,   36709123,   36398028,   36092163, 

  125.   35791395,   35495598,   35204650,   34918434,   34636834,   34359739,   34087043,   33818641, 

  126.   33554432,   33294321,   33038210,   32786010,   32537632,   32292988,   32051995,   31814573, 

  127.   31580642,   31350127,   31122952,   30899046,   30678338,   30460761,   30246249,   30034737, 

  128.   29826162,   29620465,   29417585,   29217465,   29020050,   28825284,   28633116,   28443493, 

  129.   28256364,   28071682,   27889399,   27709467,   27531842,   27356480,   27183338,   27012373, 

  130.   26843546,   26676816,   26512144,   26349493,   26188825,   26030105,   25873297,   25718368, 

  131.   25565282,   25414008,   25264514,   25116768,   24970741,   24826401,   24683721,   24542671, 

  132.   24403224,   24265352,   24129030,   23994231,   23860930,   23729102,   23598722,   23469767, 

  133.   23342214,   23216040,   23091223,   22967740,   22845571,   22724695,   22605092,   22486740, 

  134.   22369622,   22253717,   22139007,   22025474,   21913099,   21801865,   21691755,   21582751, 

  135.   21474837,   21367997,   21262215,   21157475,   21053762,   20951060,   20849356,   20748635, 

  136.   20648882,   20550083,   20452226,   20355296,   20259280,   20164166,   20069941,   19976593, 

  137.   19884108,   19792477,   19701685,   19611723,   19522579,   19434242,   19346700,   19259944, 

  138.   19173962,   19088744,   19004281,   18920561,   18837576,   18755316,   18673771,   18592933, 

  139.   18512791,   18433337,   18354562,   18276457,   18199014,   18122225,   18046082,   17970575, 

  140.   17895698,   17821442,   17747799,   17674763,   17602325,   17530479,   17459217,   17388532, 

  141.   17318417,   17248865,   17179870,   17111424,   17043522,   16976156,   16909321,   16843010,

  142. };

  143. 

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

  145. UINT8 zigzag_end[64];

  146. 

  147. UINT8 permutation[64];

  148. //UINT8 invPermutation[64];

  149. 

  150. static void build_zigzag_end(void)

  151. {

  152.     int lastIndex;

  153.     int lastIndexAfterPerm=0;

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

  155.     {

  156.         if(zigzag_direct[lastIndex] > lastIndexAfterPerm) 

  157.             lastIndexAfterPerm= zigzag_direct[lastIndex];

  158.         zigzag_end[lastIndex]= lastIndexAfterPerm + 1;

  159.     }

  160. }

  161. 

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

  163. {

  164.     int i;

  165. 

  166.     /* read the pixels */

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

  168.         block[0] = pixels[0];

  169.         block[1] = pixels[1];

  170.         block[2] = pixels[2];

  171.         block[3] = pixels[3];

  172.         block[4] = pixels[4];

  173.         block[5] = pixels[5];

  174.         block[6] = pixels[6];

  175.         block[7] = pixels[7];

  176.         pixels += line_size;

  177.         block += 8;

  178.     }

  179. }

  180. 

  181. void diff_pixels_c(DCTELEM *restrict block, const UINT8 *s1, const UINT8 *s2,

  182. 		   int stride){

  183.     int i;

  184. 

  185.     /* read the pixels */

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

  187.         block[0] = s1[0] - s2[0];

  188.         block[1] = s1[1] - s2[1];

  189.         block[2] = s1[2] - s2[2];

  190.         block[3] = s1[3] - s2[3];

  191.         block[4] = s1[4] - s2[4];

  192.         block[5] = s1[5] - s2[5];

  193.         block[6] = s1[6] - s2[6];

  194.         block[7] = s1[7] - s2[7];

  195.         s1 += stride;

  196.         s2 += stride;

  197.         block += 8;

  198.     }

  199. }

  200. 

  201. 

  202. void put_pixels_clamped_c(const DCTELEM *block, UINT8 *restrict pixels,

  203.                           int line_size)

  204. {

  205.     int i;

  206.     UINT8 *cm = cropTbl + MAX_NEG_CROP;

  207.     

  208.     /* read the pixels */

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

  210.         pixels[0] = cm[block[0]];

  211.         pixels[1] = cm[block[1]];

  212.         pixels[2] = cm[block[2]];

  213.         pixels[3] = cm[block[3]];

  214.         pixels[4] = cm[block[4]];

  215.         pixels[5] = cm[block[5]];

  216.         pixels[6] = cm[block[6]];

  217.         pixels[7] = cm[block[7]];

  218. 

  219.         pixels += line_size;

  220.         block += 8;

  221.     }

  222. }

  223. 

  224. void add_pixels_clamped_c(const DCTELEM *block, UINT8 *restrict pixels,

  225.                           int line_size)

  226. {

  227.     int i;

  228.     UINT8 *cm = cropTbl + MAX_NEG_CROP;

  229.     

  230.     /* read the pixels */

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

  232.         pixels[0] = cm[pixels[0] + block[0]];

  233.         pixels[1] = cm[pixels[1] + block[1]];

  234.         pixels[2] = cm[pixels[2] + block[2]];

  235.         pixels[3] = cm[pixels[3] + block[3]];

  236.         pixels[4] = cm[pixels[4] + block[4]];

  237.         pixels[5] = cm[pixels[5] + block[5]];

  238.         pixels[6] = cm[pixels[6] + block[6]];

  239.         pixels[7] = cm[pixels[7] + block[7]];

  240.         pixels += line_size;

  241.         block += 8;

  242.     }

  243. }

  244. 

  245. #if 0

  246. 

  247. #define PIXOP2(OPNAME, OP) \

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

  249. {\

  250.     int i;\

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

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

  253.         pixels+=line_size;\

  254.         block +=line_size;\

  255.     }\

  256. }\

  257. \

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

  259. {\

  260.     int i;\

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

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

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

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

  265.         pixels+=line_size;\

  266.         block +=line_size;\

  267.     }\

  268. }\

  269. \

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

  271. {\

  272.     int i;\

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

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

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

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

  277.         pixels+=line_size;\

  278.         block +=line_size;\

  279.     }\

  280. }\

  281. \

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

  283. {\

  284.     int i;\

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

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

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

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

  289.         pixels+=line_size;\

  290.         block +=line_size;\

  291.     }\

  292. }\

  293. \

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

  295. {\

  296.     int i;\

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

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

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

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

  301.         pixels+=line_size;\

  302.         block +=line_size;\

  303.     }\

  304. }\

  305. \

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

  307. {\

  308.         int i;\

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

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

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

  312.                     + (b&0x0303030303030303ULL)\

  313.                     + 0x0202020202020202ULL;\

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

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

  316.         uint64_t l1,h1;\

  317. \

  318.         pixels+=line_size;\

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

  320.             uint64_t a= LD64(pixels  );\

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

  322.             l1=  (a&0x0303030303030303ULL)\

  323.                + (b&0x0303030303030303ULL);\

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

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

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

  327.             pixels+=line_size;\

  328.             block +=line_size;\

  329.             a= LD64(pixels  );\

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

  331.             l0=  (a&0x0303030303030303ULL)\

  332.                + (b&0x0303030303030303ULL)\

  333.                + 0x0202020202020202ULL;\

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

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

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

  337.             pixels+=line_size;\

  338.             block +=line_size;\

  339.         }\

  340. }\

  341. \

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

  343. {\

  344.         int i;\

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

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

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

  348.                     + (b&0x0303030303030303ULL)\

  349.                     + 0x0101010101010101ULL;\

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

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

  352.         uint64_t l1,h1;\

  353. \

  354.         pixels+=line_size;\

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

  356.             uint64_t a= LD64(pixels  );\

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

  358.             l1=  (a&0x0303030303030303ULL)\

  359.                + (b&0x0303030303030303ULL);\

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

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

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

  363.             pixels+=line_size;\

  364.             block +=line_size;\

  365.             a= LD64(pixels  );\

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

  367.             l0=  (a&0x0303030303030303ULL)\

  368.                + (b&0x0303030303030303ULL)\

  369.                + 0x0101010101010101ULL;\

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

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

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

  373.             pixels+=line_size;\

  374.             block +=line_size;\

  375.         }\

  376. }\

  377. \

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

  379.     OPNAME ## _pixels,\

  380.     OPNAME ## _pixels_x2,\

  381.     OPNAME ## _pixels_y2,\

  382.     OPNAME ## _pixels_xy2,\

  383. };\

  384. \

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

  386.     OPNAME ## _pixels,\

  387.     OPNAME ## _no_rnd_pixels_x2,\

  388.     OPNAME ## _no_rnd_pixels_y2,\

  389.     OPNAME ## _no_rnd_pixels_xy2,\

  390. };

  391. 

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

  393. #else // 64 bit variant

  394. 

  395. #define PIXOP2(OPNAME, OP) \

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

  397. {\

  398.     int i;\

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

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

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

  402.         pixels+=line_size;\

  403.         block +=line_size;\

  404.     }\

  405. }\

  406. \

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

  408. {\

  409.     int i;\

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

  411.         int j;\

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

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

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

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

  416.             pixels+=4;\

  417.             block +=4;\

  418.         }\

  419.         pixels+=line_size-8;\

  420.         block +=line_size-8;\

  421.     }\

  422. }\

  423. \

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

  425. {\

  426.     int i;\

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

  428.         int j;\

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

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

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

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

  433.             pixels+=4;\

  434.             block +=4;\

  435.         }\

  436.         pixels+=line_size-8;\

  437.         block +=line_size-8;\

  438.     }\

  439. }\

  440. \

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

  442. {\

  443.     int i;\

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

  445.         int j;\

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

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

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

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

  450.             pixels+=4;\

  451.             block +=4;\

  452.         }\

  453.         pixels+=line_size-8;\

  454.         block +=line_size-8;\

  455.     }\

  456. }\

  457. \

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

  459. {\

  460.     int i;\

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

  462.         int j;\

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

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

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

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

  467.             pixels+=4;\

  468.             block +=4;\

  469.         }\

  470.         pixels+=line_size-8;\

  471.         block +=line_size-8;\

  472.     }\

  473. }\

  474. \

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

  476. {\

  477.     int j;\

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

  479.         int i;\

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

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

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

  483.                     + (b&0x03030303UL)\

  484.                     + 0x02020202UL;\

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

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

  487.         uint32_t l1,h1;\

  488. \

  489.         pixels+=line_size;\

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

  491.             uint32_t a= LD32(pixels  );\

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

  493.             l1=  (a&0x03030303UL)\

  494.                + (b&0x03030303UL);\

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

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

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

  498.             pixels+=line_size;\

  499.             block +=line_size;\

  500.             a= LD32(pixels  );\

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

  502.             l0=  (a&0x03030303UL)\

  503.                + (b&0x03030303UL)\

  504.                + 0x02020202UL;\

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

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

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

  508.             pixels+=line_size;\

  509.             block +=line_size;\

  510.         }\

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

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

  513.     }\

  514. }\

  515. \

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

  517. {\

  518.     int j;\

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

  520.         int i;\

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

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

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

  524.                     + (b&0x03030303UL)\

  525.                     + 0x01010101UL;\

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

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

  528.         uint32_t l1,h1;\

  529. \

  530.         pixels+=line_size;\

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

  532.             uint32_t a= LD32(pixels  );\

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

  534.             l1=  (a&0x03030303UL)\

  535.                + (b&0x03030303UL);\

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

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

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

  539.             pixels+=line_size;\

  540.             block +=line_size;\

  541.             a= LD32(pixels  );\

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

  543.             l0=  (a&0x03030303UL)\

  544.                + (b&0x03030303UL)\

  545.                + 0x01010101UL;\

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

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

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

  549.             pixels+=line_size;\

  550.             block +=line_size;\

  551.         }\

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

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

  554.     }\

  555. }\

  556. \

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

  558.     OPNAME ## _pixels,\

  559.     OPNAME ## _pixels_x2,\

  560.     OPNAME ## _pixels_y2,\

  561.     OPNAME ## _pixels_xy2,\

  562. };\

  563. \

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

  565.     OPNAME ## _pixels,\

  566.     OPNAME ## _no_rnd_pixels_x2,\

  567.     OPNAME ## _no_rnd_pixels_y2,\

  568.     OPNAME ## _no_rnd_pixels_xy2,\

  569. };

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

  571. #endif

  572. 

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

  574. 

  575. PIXOP2(avg, op_avg)

  576. PIXOP2(put, op_put)

  577. #undef op_avg

  578. #undef op_put

  579. 

  580. #if 0

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

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

  583.                                                                                          \

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

  585. {                                                                                        \

  586.     BTYPE *p;                                                                            \

  587.     const UINT8 *pix;                                                                    \

  588.                                                                                          \

  589.     p = block;                                                                           \

  590.     pix = pixels;                                                                        \

  591.     do {                                                                                 \

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

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

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

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

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

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

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

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

  600.         pix += line_size;                                                                \

  601.         p += INCR;                                                                       \

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

  603. }                                                                                        \

  604.                                                                                          \

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

  606. {                                                                                        \

  607.     BTYPE *p;                                                                          \

  608.     const UINT8 *pix;                                                                    \

  609.                                                                                          \

  610.     p = block;                                                                           \

  611.     pix = pixels;                                                                        \

  612.     do {                                                                   \

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

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

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

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

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

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

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

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

  621.         pix += line_size;                                                                \

  622.         p += INCR;                                                                       \

  623.     } while (--h);                                                                        \

  624. }                                                                                        \

  625.                                                                                          \

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

  627. {                                                                                        \

  628.     BTYPE *p;                                                                          \

  629.     const UINT8 *pix;                                                                    \

  630.     const UINT8 *pix1;                                                                   \

  631.                                                                                          \

  632.     p = block;                                                                           \

  633.     pix = pixels;                                                                        \

  634.     pix1 = pixels + line_size;                                                           \

  635.     do {                                                                                 \

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

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

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

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

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

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

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

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

  644.         pix += line_size;                                                                \

  645.         pix1 += line_size;                                                               \

  646.         p += INCR;                                                                       \

  647.     } while(--h);                                                                         \

  648. }                                                                                        \

  649.                                                                                          \

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

  651. {                                                                                        \

  652.     BTYPE *p;                                                                          \

  653.     const UINT8 *pix;                                                                    \

  654.     const UINT8 *pix1;                                                                   \

  655.                                                                                          \

  656.     p = block;                                                                           \

  657.     pix = pixels;                                                                        \

  658.     pix1 = pixels + line_size;                                                           \

  659.     do {                                                                   \

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

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

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

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

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

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

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

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

  668.         pix += line_size;                                                                \

  669.         pix1 += line_size;                                                               \

  670.         p += INCR;                                                                       \

  671.     } while(--h);                                                                         \

  672. }                                                                                        \

  673.                                                                                          \

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

  675.     OPNAME ## _pixels,                                                                   \

  676.     OPNAME ## _pixels_x2,                                                                \

  677.     OPNAME ## _pixels_y2,                                                                \

  678.     OPNAME ## _pixels_xy2,                                                               \

  679. };

  680. 

  681. /* rounding primitives */

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

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

  684. 

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

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

  687. 

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

  689. 

  690. /* not rounding primitives */

  691. #undef avg2

  692. #undef avg4

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

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

  695. 

  696. /* motion estimation */

  697. 

  698. #undef avg2

  699. #undef avg4

  700. #endif

  701. 

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

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

  704. 

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

  706. {

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

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

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

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

  711.     int i;

  712.     rounder= 128 - rounder;

  713. 

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

  715.     {

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

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

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

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

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

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

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

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

  724.         dst+= srcStride;

  725.         src+= srcStride;

  726.     }

  727. }

  728. 

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

  730. {

  731.     UINT8 *cm = cropTbl + MAX_NEG_CROP;

  732.     int i;

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

  734.     {

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

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

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

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

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

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

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

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

  743.         dst+=dstStride;

  744.         src+=srcStride;

  745.     }

  746. }

  747. 

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

  749. {

  750.     UINT8 *cm = cropTbl + MAX_NEG_CROP;

  751.     int i;

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

  753.     {

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  771.         dst++;

  772.         src++;

  773.     }

  774. }

  775. 

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

  777. {

  778.     int i;

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

  780.     {

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

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

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

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

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

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

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

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

  789.         dst+=dstStride;

  790.         src+=srcStride;

  791.     }

  792. }

  793. 

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

  795. {

  796.     int i;

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

  798.     {

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

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

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

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

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

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

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

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

  807.         dst+=dstStride;

  808.         src1+=srcStride;

  809.         src2+=8;

  810.     }

  811. }

  812. 

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

  814. {

  815.     int i;

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

  817.     {

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

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

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

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

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

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

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

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

  826.         dst+=dstStride;

  827.         src1+=srcStride;

  828.         src2+=8;

  829.         src3+=8;

  830.         src4+=8;

  831.     }

  832. }

  833. 

  834. #define QPEL_MC(r, name) \

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

  836. {\

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

  838. }\

  839. \

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

  841. {\

  842.     UINT8 half[64];\

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

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

  845. }\

  846. \

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

  848. {\

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

  850. }\

  851. \

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

  853. {\

  854.     UINT8 half[64];\

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

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

  857. }\

  858. \

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

  860. {\

  861.     UINT8 half[64];\

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

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

  864. }\

  865. \

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

  867. {\

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

  869. }\

  870. \

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

  872. {\

  873.     UINT8 half[64];\

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

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

  876. }\

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

  878. {\

  879.     UINT8 halfH[72];\

  880.     UINT8 halfV[64];\

  881.     UINT8 halfHV[64];\

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

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

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

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

  886. }\

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

  888. {\

  889.     UINT8 halfH[72];\

  890.     UINT8 halfV[64];\

  891.     UINT8 halfHV[64];\

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

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

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

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

  896. }\

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

  898. {\

  899.     UINT8 halfH[72];\

  900.     UINT8 halfV[64];\

  901.     UINT8 halfHV[64];\

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

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

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

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

  906. }\

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

  908. {\

  909.     UINT8 halfH[72];\

  910.     UINT8 halfV[64];\

  911.     UINT8 halfHV[64];\

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

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

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

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

  916. }\

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

  918. {\

  919.     UINT8 halfH[72];\

  920.     UINT8 halfHV[64];\

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

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

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

  924. }\

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

  926. {\

  927.     UINT8 halfH[72];\

  928.     UINT8 halfHV[64];\

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

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

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

  932. }\

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

  934. {\

  935.     UINT8 halfH[72];\

  936.     UINT8 halfV[64];\

  937.     UINT8 halfHV[64];\

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

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

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

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

  942. }\

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

  944. {\

  945.     UINT8 halfH[72];\

  946.     UINT8 halfV[64];\

  947.     UINT8 halfHV[64];\

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

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

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

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

  952. }\

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

  954. {\

  955.     UINT8 halfH[72];\

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

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

  958. }\

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

  960.     qpel_mc00_c ## name,                                                                   \

  961.     qpel_mc10_c ## name,                                                                   \

  962.     qpel_mc20_c ## name,                                                                   \

  963.     qpel_mc30_c ## name,                                                                   \

  964.     qpel_mc01_c ## name,                                                                   \

  965.     qpel_mc11_c ## name,                                                                   \

  966.     qpel_mc21_c ## name,                                                                   \

  967.     qpel_mc31_c ## name,                                                                   \

  968.     qpel_mc02_c ## name,                                                                   \

  969.     qpel_mc12_c ## name,                                                                   \

  970.     qpel_mc22_c ## name,                                                                   \

  971.     qpel_mc32_c ## name,                                                                   \

  972.     qpel_mc03_c ## name,                                                                   \

  973.     qpel_mc13_c ## name,                                                                   \

  974.     qpel_mc23_c ## name,                                                                   \

  975.     qpel_mc33_c ## name,                                                                   \

  976. };

  977. 

  978. QPEL_MC(0, _rnd)

  979. QPEL_MC(1, _no_rnd)

  980. 

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

  982. {

  983.     int s, i;

  984. 

  985.     s = 0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  1000.         s += abs(pix1[13] - pix2[13]);

  1001.         s += abs(pix1[14] - pix2[14]);

  1002.         s += abs(pix1[15] - pix2[15]);

  1003.         pix1 += line_size;

  1004.         pix2 += line_size;

  1005.     }

  1006.     return s;

  1007. }

  1008. 

  1009. int pix_abs16x16_x2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1010. {

  1011.     int s, i;

  1012. 

  1013.     s = 0;

  1014.     for(i=0;i<16;i++) {

  1015.         s += abs(pix1[0] - avg2(pix2[0], pix2[1]));

  1016.         s += abs(pix1[1] - avg2(pix2[1], pix2[2]));

  1017.         s += abs(pix1[2] - avg2(pix2[2], pix2[3]));

  1018.         s += abs(pix1[3] - avg2(pix2[3], pix2[4]));

  1019.         s += abs(pix1[4] - avg2(pix2[4], pix2[5]));

  1020.         s += abs(pix1[5] - avg2(pix2[5], pix2[6]));

  1021.         s += abs(pix1[6] - avg2(pix2[6], pix2[7]));

  1022.         s += abs(pix1[7] - avg2(pix2[7], pix2[8]));

  1023.         s += abs(pix1[8] - avg2(pix2[8], pix2[9]));

  1024.         s += abs(pix1[9] - avg2(pix2[9], pix2[10]));

  1025.         s += abs(pix1[10] - avg2(pix2[10], pix2[11]));

  1026.         s += abs(pix1[11] - avg2(pix2[11], pix2[12]));

  1027.         s += abs(pix1[12] - avg2(pix2[12], pix2[13]));

  1028.         s += abs(pix1[13] - avg2(pix2[13], pix2[14]));

  1029.         s += abs(pix1[14] - avg2(pix2[14], pix2[15]));

  1030.         s += abs(pix1[15] - avg2(pix2[15], pix2[16]));

  1031.         pix1 += line_size;

  1032.         pix2 += line_size;

  1033.     }

  1034.     return s;

  1035. }

  1036. 

  1037. int pix_abs16x16_y2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1038. {

  1039.     int s, i;

  1040.     UINT8 *pix3 = pix2 + line_size;

  1041. 

  1042.     s = 0;

  1043.     for(i=0;i<16;i++) {

  1044.         s += abs(pix1[0] - avg2(pix2[0], pix3[0]));

  1045.         s += abs(pix1[1] - avg2(pix2[1], pix3[1]));

  1046.         s += abs(pix1[2] - avg2(pix2[2], pix3[2]));

  1047.         s += abs(pix1[3] - avg2(pix2[3], pix3[3]));

  1048.         s += abs(pix1[4] - avg2(pix2[4], pix3[4]));

  1049.         s += abs(pix1[5] - avg2(pix2[5], pix3[5]));

  1050.         s += abs(pix1[6] - avg2(pix2[6], pix3[6]));

  1051.         s += abs(pix1[7] - avg2(pix2[7], pix3[7]));

  1052.         s += abs(pix1[8] - avg2(pix2[8], pix3[8]));

  1053.         s += abs(pix1[9] - avg2(pix2[9], pix3[9]));

  1054.         s += abs(pix1[10] - avg2(pix2[10], pix3[10]));

  1055.         s += abs(pix1[11] - avg2(pix2[11], pix3[11]));

  1056.         s += abs(pix1[12] - avg2(pix2[12], pix3[12]));

  1057.         s += abs(pix1[13] - avg2(pix2[13], pix3[13]));

  1058.         s += abs(pix1[14] - avg2(pix2[14], pix3[14]));

  1059.         s += abs(pix1[15] - avg2(pix2[15], pix3[15]));

  1060.         pix1 += line_size;

  1061.         pix2 += line_size;

  1062.         pix3 += line_size;

  1063.     }

  1064.     return s;

  1065. }

  1066. 

  1067. int pix_abs16x16_xy2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1068. {

  1069.     int s, i;

  1070.     UINT8 *pix3 = pix2 + line_size;

  1071. 

  1072.     s = 0;

  1073.     for(i=0;i<16;i++) {

  1074.         s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1]));

  1075.         s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2]));

  1076.         s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3]));

  1077.         s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4]));

  1078.         s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5]));

  1079.         s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6]));

  1080.         s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7]));

  1081.         s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8]));

  1082.         s += abs(pix1[8] - avg4(pix2[8], pix2[9], pix3[8], pix3[9]));

  1083.         s += abs(pix1[9] - avg4(pix2[9], pix2[10], pix3[9], pix3[10]));

  1084.         s += abs(pix1[10] - avg4(pix2[10], pix2[11], pix3[10], pix3[11]));

  1085.         s += abs(pix1[11] - avg4(pix2[11], pix2[12], pix3[11], pix3[12]));

  1086.         s += abs(pix1[12] - avg4(pix2[12], pix2[13], pix3[12], pix3[13]));

  1087.         s += abs(pix1[13] - avg4(pix2[13], pix2[14], pix3[13], pix3[14]));

  1088.         s += abs(pix1[14] - avg4(pix2[14], pix2[15], pix3[14], pix3[15]));

  1089.         s += abs(pix1[15] - avg4(pix2[15], pix2[16], pix3[15], pix3[16]));

  1090.         pix1 += line_size;

  1091.         pix2 += line_size;

  1092.         pix3 += line_size;

  1093.     }

  1094.     return s;

  1095. }

  1096. 

  1097. int pix_abs8x8_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1098. {

  1099.     int s, i;

  1100. 

  1101.     s = 0;

  1102.     for(i=0;i<8;i++) {

  1103.         s += abs(pix1[0] - pix2[0]);

  1104.         s += abs(pix1[1] - pix2[1]);

  1105.         s += abs(pix1[2] - pix2[2]);

  1106.         s += abs(pix1[3] - pix2[3]);

  1107.         s += abs(pix1[4] - pix2[4]);

  1108.         s += abs(pix1[5] - pix2[5]);

  1109.         s += abs(pix1[6] - pix2[6]);

  1110.         s += abs(pix1[7] - pix2[7]);

  1111.         pix1 += line_size;

  1112.         pix2 += line_size;

  1113.     }

  1114.     return s;

  1115. }

  1116. 

  1117. int pix_abs8x8_x2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1118. {

  1119.     int s, i;

  1120. 

  1121.     s = 0;

  1122.     for(i=0;i<8;i++) {

  1123.         s += abs(pix1[0] - avg2(pix2[0], pix2[1]));

  1124.         s += abs(pix1[1] - avg2(pix2[1], pix2[2]));

  1125.         s += abs(pix1[2] - avg2(pix2[2], pix2[3]));

  1126.         s += abs(pix1[3] - avg2(pix2[3], pix2[4]));

  1127.         s += abs(pix1[4] - avg2(pix2[4], pix2[5]));

  1128.         s += abs(pix1[5] - avg2(pix2[5], pix2[6]));

  1129.         s += abs(pix1[6] - avg2(pix2[6], pix2[7]));

  1130.         s += abs(pix1[7] - avg2(pix2[7], pix2[8]));

  1131.         pix1 += line_size;

  1132.         pix2 += line_size;

  1133.     }

  1134.     return s;

  1135. }

  1136. 

  1137. int pix_abs8x8_y2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1138. {

  1139.     int s, i;

  1140.     UINT8 *pix3 = pix2 + line_size;

  1141. 

  1142.     s = 0;

  1143.     for(i=0;i<8;i++) {

  1144.         s += abs(pix1[0] - avg2(pix2[0], pix3[0]));

  1145.         s += abs(pix1[1] - avg2(pix2[1], pix3[1]));

  1146.         s += abs(pix1[2] - avg2(pix2[2], pix3[2]));

  1147.         s += abs(pix1[3] - avg2(pix2[3], pix3[3]));

  1148.         s += abs(pix1[4] - avg2(pix2[4], pix3[4]));

  1149.         s += abs(pix1[5] - avg2(pix2[5], pix3[5]));

  1150.         s += abs(pix1[6] - avg2(pix2[6], pix3[6]));

  1151.         s += abs(pix1[7] - avg2(pix2[7], pix3[7]));

  1152.         pix1 += line_size;

  1153.         pix2 += line_size;

  1154.         pix3 += line_size;

  1155.     }

  1156.     return s;

  1157. }

  1158. 

  1159. int pix_abs8x8_xy2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1160. {

  1161.     int s, i;

  1162.     UINT8 *pix3 = pix2 + line_size;

  1163. 

  1164.     s = 0;

  1165.     for(i=0;i<8;i++) {

  1166.         s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1]));

  1167.         s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2]));

  1168.         s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3]));

  1169.         s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4]));

  1170.         s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5]));

  1171.         s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6]));

  1172.         s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7]));

  1173.         s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8]));

  1174.         pix1 += line_size;

  1175.         pix2 += line_size;

  1176.         pix3 += line_size;

  1177.     }

  1178.     return s;

  1179. }

  1180. 

  1181. /* permute block according so that it corresponds to the MMX idct

  1182.    order */

  1183. #ifdef SIMPLE_IDCT

  1184.  /* general permutation, but perhaps slightly slower */

  1185. void block_permute(INT16 *block)

  1186. {

  1187. 	int i;

  1188. 	INT16 temp[64];

  1189. 

  1190. 	for(i=0; i<64; i++) temp[ block_permute_op(i) ] = block[i];

  1191. 

  1192. 	for(i=0; i<64; i++) block[i] = temp[i];

  1193. }

  1194. #else

  1195. 

  1196. void block_permute(INT16 *block)

  1197. {

  1198.     int tmp1, tmp2, tmp3, tmp4, tmp5, tmp6;

  1199.     int i;

  1200. 

  1201.     for(i=0;i<8;i++) {

  1202.         tmp1 = block[1];

  1203.         tmp2 = block[2];

  1204.         tmp3 = block[3];

  1205.         tmp4 = block[4];

  1206.         tmp5 = block[5];

  1207.         tmp6 = block[6];

  1208.         block[1] = tmp2;

  1209.         block[2] = tmp4;

  1210.         block[3] = tmp6;

  1211.         block[4] = tmp1;

  1212.         block[5] = tmp3;

  1213.         block[6] = tmp5;

  1214.         block += 8;

  1215.     }

  1216. }

  1217. #endif

  1218. 

  1219. void clear_blocks_c(DCTELEM *blocks)

  1220. {

  1221.     memset(blocks, 0, sizeof(DCTELEM)*6*64);

  1222. }

  1223. 

  1224. /* XXX: those functions should be suppressed ASAP when all IDCTs are

  1225.    converted */

  1226. void gen_idct_put(UINT8 *dest, int line_size, DCTELEM *block)

  1227. {

  1228.     ff_idct (block);

  1229.     put_pixels_clamped(block, dest, line_size);

  1230. }

  1231. 

  1232. void gen_idct_add(UINT8 *dest, int line_size, DCTELEM *block)

  1233. {

  1234.     ff_idct (block);

  1235.     add_pixels_clamped(block, dest, line_size);

  1236. }

  1237. 

  1238. void dsputil_init(void)

  1239. {

  1240.     int i, j;

  1241.     int use_permuted_idct;

  1242. 

  1243.     for(i=0;i<256;i++) cropTbl[i + MAX_NEG_CROP] = i;

  1244.     for(i=0;i<MAX_NEG_CROP;i++) {

  1245.         cropTbl[i] = 0;

  1246.         cropTbl[i + MAX_NEG_CROP + 256] = 255;

  1247.     }

  1248. 

  1249.     for(i=0;i<512;i++) {

  1250.         squareTbl[i] = (i - 256) * (i - 256);

  1251.     }

  1252. 

  1253. #ifdef SIMPLE_IDCT

  1254.     ff_idct = NULL;

  1255. #else

  1256.     ff_idct = j_rev_dct;

  1257. #endif

  1258.     get_pixels = get_pixels_c;

  1259.     diff_pixels = diff_pixels_c;

  1260.     put_pixels_clamped = put_pixels_clamped_c;

  1261.     add_pixels_clamped = add_pixels_clamped_c;

  1262.     gmc1= gmc1_c;

  1263.     clear_blocks= clear_blocks_c;

  1264. 

  1265.     pix_abs16x16     = pix_abs16x16_c;

  1266.     pix_abs16x16_x2  = pix_abs16x16_x2_c;

  1267.     pix_abs16x16_y2  = pix_abs16x16_y2_c;

  1268.     pix_abs16x16_xy2 = pix_abs16x16_xy2_c;

  1269.     pix_abs8x8     = pix_abs8x8_c;

  1270.     pix_abs8x8_x2  = pix_abs8x8_x2_c;

  1271.     pix_abs8x8_y2  = pix_abs8x8_y2_c;

  1272.     pix_abs8x8_xy2 = pix_abs8x8_xy2_c;

  1273.     av_fdct = fdct_ifast;

  1274. 

  1275.     use_permuted_idct = 1;

  1276. 

  1277. #ifdef HAVE_MMX

  1278.     dsputil_init_mmx();

  1279. #endif

  1280. #ifdef ARCH_ARMV4L

  1281.     dsputil_init_armv4l();

  1282. #endif

  1283. #ifdef HAVE_MLIB

  1284.     dsputil_init_mlib();

  1285.     use_permuted_idct = 0;

  1286. #endif

  1287. #ifdef ARCH_ALPHA

  1288.     dsputil_init_alpha();

  1289.     use_permuted_idct = 0;

  1290. #endif

  1291. 

  1292. #ifdef SIMPLE_IDCT

  1293.     if (ff_idct == NULL) {

  1294.         ff_idct_put = simple_idct_put;

  1295.         ff_idct_add = simple_idct_add;

  1296.         use_permuted_idct=0;

  1297.     } else {

  1298.         ff_idct_put = gen_idct_put;

  1299.         ff_idct_add = gen_idct_add;

  1300.     }

  1301. #endif

  1302. 

  1303.     if(use_permuted_idct)

  1304. #ifdef SIMPLE_IDCT

  1305.         for(i=0; i<64; i++) permutation[i]= simple_mmx_permutation[i];

  1306. #else

  1307.         for(i=0; i<64; i++) permutation[i]= (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2);

  1308. #endif

  1309.     else

  1310.         for(i=0; i<64; i++) permutation[i]=i;

  1311. 

  1312.     for(i=0; i<64; i++) inv_zigzag_direct16[zigzag_direct[i]]= i+1;

  1313.     for(i=0; i<64; i++) zigzag_direct_noperm[i]= zigzag_direct[i];

  1314.     

  1315.     if (use_permuted_idct) {

  1316.         /* permute for IDCT */

  1317.         for(i=0;i<64;i++) {

  1318.             j = zigzag_direct[i];

  1319.             zigzag_direct[i] = block_permute_op(j);

  1320.             j = ff_alternate_horizontal_scan[i];

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

  1322.             j = ff_alternate_vertical_scan[i];

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

  1324.         }

  1325.         block_permute(ff_mpeg1_default_intra_matrix);

  1326.         block_permute(ff_mpeg1_default_non_intra_matrix);

  1327.         block_permute(ff_mpeg4_default_intra_matrix);

  1328.         block_permute(ff_mpeg4_default_non_intra_matrix);

  1329.     }

  1330.     

  1331.     build_zigzag_end();

  1332. }

  1333. 

  1334. /* remove any non bit exact operation (testing purpose) */

  1335. void avcodec_set_bit_exact(void)

  1336. {

  1337. #ifdef HAVE_MMX

  1338.     dsputil_set_bit_exact_mmx();

  1339. #endif

  1340. }

  1341. 

  1342. void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],

  1343.               int orig_linesize[3], int coded_linesize,

  1344.               AVCodecContext *avctx)

  1345. {

  1346.     int quad, diff, x, y;

  1347.     UINT8 *orig, *coded;

  1348.     UINT32 *sq = squareTbl + 256;

  1349.     

  1350.     quad = 0;

  1351.     diff = 0;

  1352.     

  1353.     /* Luminance */

  1354.     orig = orig_image[0];

  1355.     coded = coded_image[0];

  1356.     

  1357.     for (y=0;y<avctx->height;y++) {

  1358.         for (x=0;x<avctx->width;x++) {

  1359.             diff = *(orig + x) - *(coded + x);

  1360.             quad += sq[diff];

  1361.         }

  1362.         orig += orig_linesize[0];

  1363.         coded += coded_linesize;

  1364.     }

  1365.    

  1366.     avctx->psnr_y = (float) quad / (float) (avctx->width * avctx->height);

  1367.     

  1368.     if (avctx->psnr_y) {

  1369.         avctx->psnr_y = (float) (255 * 255) / avctx->psnr_y;

  1370.         avctx->psnr_y = 10 * (float) log10 (avctx->psnr_y); 

  1371.     } else

  1372.         avctx->psnr_y = 99.99;

  1373. }