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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. #include "config.h"

  25. 

  26. /* Suppress restrict if it was not defined in config.h  */

  27. #ifndef restrict

  28. #define restrict

  29. #endif

  30. 

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

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

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

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

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

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

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

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

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

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

  41. 

  42. op_pixels_abs_func pix_abs16x16;

  43. op_pixels_abs_func pix_abs16x16_x2;

  44. op_pixels_abs_func pix_abs16x16_y2;

  45. op_pixels_abs_func pix_abs16x16_xy2;

  46. 

  47. op_pixels_abs_func pix_abs8x8;

  48. op_pixels_abs_func pix_abs8x8_x2;

  49. op_pixels_abs_func pix_abs8x8_y2;

  50. op_pixels_abs_func pix_abs8x8_xy2;

  51. 

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

  53. UINT32 squareTbl[512];

  54. 

  55. extern INT16 default_intra_matrix[64];

  56. extern INT16 default_non_intra_matrix[64];

  57. extern INT16 ff_mpeg4_default_intra_matrix[64];

  58. extern INT16 ff_mpeg4_default_non_intra_matrix[64];

  59. 

  60. UINT8 zigzag_direct[64] = {

  61.     0, 1, 8, 16, 9, 2, 3, 10,

  62.     17, 24, 32, 25, 18, 11, 4, 5,

  63.     12, 19, 26, 33, 40, 48, 41, 34,

  64.     27, 20, 13, 6, 7, 14, 21, 28,

  65.     35, 42, 49, 56, 57, 50, 43, 36,

  66.     29, 22, 15, 23, 30, 37, 44, 51,

  67.     58, 59, 52, 45, 38, 31, 39, 46,

  68.     53, 60, 61, 54, 47, 55, 62, 63

  69. };

  70. 

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

  72. UINT16 __align8 inv_zigzag_direct16[64];

  73. 

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

  75. UINT8 zigzag_direct_noperm[64];

  76. 

  77. UINT8 ff_alternate_horizontal_scan[64] = {

  78.     0,  1,  2,  3,  8,  9, 16, 17, 

  79.     10, 11,  4,  5,  6,  7, 15, 14,

  80.     13, 12, 19, 18, 24, 25, 32, 33, 

  81.     26, 27, 20, 21, 22, 23, 28, 29,

  82.     30, 31, 34, 35, 40, 41, 48, 49, 

  83.     42, 43, 36, 37, 38, 39, 44, 45,

  84.     46, 47, 50, 51, 56, 57, 58, 59, 

  85.     52, 53, 54, 55, 60, 61, 62, 63,

  86. };

  87. 

  88. UINT8 ff_alternate_vertical_scan[64] = {

  89.     0,  8, 16, 24,  1,  9,  2, 10, 

  90.     17, 25, 32, 40, 48, 56, 57, 49,

  91.     41, 33, 26, 18,  3, 11,  4, 12, 

  92.     19, 27, 34, 42, 50, 58, 35, 43,

  93.     51, 59, 20, 28,  5, 13,  6, 14, 

  94.     21, 29, 36, 44, 52, 60, 37, 45,

  95.     53, 61, 22, 30,  7, 15, 23, 31, 

  96.     38, 46, 54, 62, 39, 47, 55, 63,

  97. };

  98. 

  99. #ifdef SIMPLE_IDCT

  100. 

  101. /* Input permutation for the simple_idct_mmx */

  102. static UINT8 simple_mmx_permutation[64]={

  103. 	0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D, 

  104. 	0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D, 

  105. 	0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D, 

  106. 	0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F, 

  107. 	0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F, 

  108. 	0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D, 

  109. 	0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F, 

  110. 	0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,

  111. };

  112. #endif

  113. 

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

  115. UINT32 inverse[256]={

  116.          0, 4294967295U,2147483648U,1431655766, 1073741824,  858993460,  715827883,  613566757, 

  117.  536870912,  477218589,  429496730,  390451573,  357913942,  330382100,  306783379,  286331154, 

  118.  268435456,  252645136,  238609295,  226050911,  214748365,  204522253,  195225787,  186737709, 

  119.  178956971,  171798692,  165191050,  159072863,  153391690,  148102321,  143165577,  138547333, 

  120.  134217728,  130150525,  126322568,  122713352,  119304648,  116080198,  113025456,  110127367, 

  121.  107374183,  104755300,  102261127,   99882961,   97612894,   95443718,   93368855,   91382283, 

  122.   89478486,   87652394,   85899346,   84215046,   82595525,   81037119,   79536432,   78090315, 

  123.   76695845,   75350304,   74051161,   72796056,   71582789,   70409300,   69273667,   68174085, 

  124.   67108864,   66076420,   65075263,   64103990,   63161284,   62245903,   61356676,   60492498, 

  125.   59652324,   58835169,   58040099,   57266231,   56512728,   55778797,   55063684,   54366675, 

  126.   53687092,   53024288,   52377650,   51746594,   51130564,   50529028,   49941481,   49367441, 

  127.   48806447,   48258060,   47721859,   47197443,   46684428,   46182445,   45691142,   45210183, 

  128.   44739243,   44278014,   43826197,   43383509,   42949673,   42524429,   42107523,   41698712, 

  129.   41297763,   40904451,   40518560,   40139882,   39768216,   39403370,   39045158,   38693400, 

  130.   38347923,   38008561,   37675152,   37347542,   37025581,   36709123,   36398028,   36092163, 

  131.   35791395,   35495598,   35204650,   34918434,   34636834,   34359739,   34087043,   33818641, 

  132.   33554432,   33294321,   33038210,   32786010,   32537632,   32292988,   32051995,   31814573, 

  133.   31580642,   31350127,   31122952,   30899046,   30678338,   30460761,   30246249,   30034737, 

  134.   29826162,   29620465,   29417585,   29217465,   29020050,   28825284,   28633116,   28443493, 

  135.   28256364,   28071682,   27889399,   27709467,   27531842,   27356480,   27183338,   27012373, 

  136.   26843546,   26676816,   26512144,   26349493,   26188825,   26030105,   25873297,   25718368, 

  137.   25565282,   25414008,   25264514,   25116768,   24970741,   24826401,   24683721,   24542671, 

  138.   24403224,   24265352,   24129030,   23994231,   23860930,   23729102,   23598722,   23469767, 

  139.   23342214,   23216040,   23091223,   22967740,   22845571,   22724695,   22605092,   22486740, 

  140.   22369622,   22253717,   22139007,   22025474,   21913099,   21801865,   21691755,   21582751, 

  141.   21474837,   21367997,   21262215,   21157475,   21053762,   20951060,   20849356,   20748635, 

  142.   20648882,   20550083,   20452226,   20355296,   20259280,   20164166,   20069941,   19976593, 

  143.   19884108,   19792477,   19701685,   19611723,   19522579,   19434242,   19346700,   19259944, 

  144.   19173962,   19088744,   19004281,   18920561,   18837576,   18755316,   18673771,   18592933, 

  145.   18512791,   18433337,   18354562,   18276457,   18199014,   18122225,   18046082,   17970575, 

  146.   17895698,   17821442,   17747799,   17674763,   17602325,   17530479,   17459217,   17388532, 

  147.   17318417,   17248865,   17179870,   17111424,   17043522,   16976156,   16909321,   16843010,

  148. };

  149. 

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

  151. UINT8 zigzag_end[64];

  152. 

  153. UINT8 permutation[64];

  154. //UINT8 invPermutation[64];

  155. 

  156. static void build_zigzag_end(void)

  157. {

  158.     int lastIndex;

  159.     int lastIndexAfterPerm=0;

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

  161.     {

  162.         if(zigzag_direct[lastIndex] > lastIndexAfterPerm) 

  163.             lastIndexAfterPerm= zigzag_direct[lastIndex];

  164.         zigzag_end[lastIndex]= lastIndexAfterPerm + 1;

  165.     }

  166. }

  167. 

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

  169. {

  170.     int i;

  171. 

  172.     /* read the pixels */

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

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

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

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

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

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

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

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

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

  182.         pixels += line_size;

  183.         block += 8;

  184.     }

  185. }

  186. 

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

  188. 		   int stride){

  189.     int i;

  190. 

  191.     /* read the pixels */

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

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

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

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

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

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

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

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

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

  201.         s1 += stride;

  202.         s2 += stride;

  203.         block += 8;

  204.     }

  205. }

  206. 

  207. 

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

  209.                           int line_size)

  210. {

  211.     int i;

  212.     UINT8 *cm = cropTbl + MAX_NEG_CROP;

  213.     

  214.     /* read the pixels */

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

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

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

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

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

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

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

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

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

  224. 

  225.         pixels += line_size;

  226.         block += 8;

  227.     }

  228. }

  229. 

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

  231.                           int line_size)

  232. {

  233.     int i;

  234.     UINT8 *cm = cropTbl + MAX_NEG_CROP;

  235.     

  236.     /* read the pixels */

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

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

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

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

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

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

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

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

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

  246.         pixels += line_size;

  247.         block += 8;

  248.     }

  249. }

  250. 

  251. #if 0

  252. 

  253. #define PIXOP2(OPNAME, OP) \

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

  255. {\

  256.     int i;\

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

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

  259.         pixels+=line_size;\

  260.         block +=line_size;\

  261.     }\

  262. }\

  263. \

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

  265. {\

  266.     int i;\

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

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

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

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

  271.         pixels+=line_size;\

  272.         block +=line_size;\

  273.     }\

  274. }\

  275. \

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

  277. {\

  278.     int i;\

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

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

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

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

  283.         pixels+=line_size;\

  284.         block +=line_size;\

  285.     }\

  286. }\

  287. \

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

  289. {\

  290.     int i;\

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

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

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

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

  295.         pixels+=line_size;\

  296.         block +=line_size;\

  297.     }\

  298. }\

  299. \

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

  301. {\

  302.     int i;\

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

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

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

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

  307.         pixels+=line_size;\

  308.         block +=line_size;\

  309.     }\

  310. }\

  311. \

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

  313. {\

  314.         int i;\

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

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

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

  318.                     + (b&0x0303030303030303ULL)\

  319.                     + 0x0202020202020202ULL;\

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

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

  322.         uint64_t l1,h1;\

  323. \

  324.         pixels+=line_size;\

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

  326.             uint64_t a= LD64(pixels  );\

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

  328.             l1=  (a&0x0303030303030303ULL)\

  329.                + (b&0x0303030303030303ULL);\

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

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

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

  333.             pixels+=line_size;\

  334.             block +=line_size;\

  335.             a= LD64(pixels  );\

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

  337.             l0=  (a&0x0303030303030303ULL)\

  338.                + (b&0x0303030303030303ULL)\

  339.                + 0x0202020202020202ULL;\

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

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

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

  343.             pixels+=line_size;\

  344.             block +=line_size;\

  345.         }\

  346. }\

  347. \

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

  349. {\

  350.         int i;\

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

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

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

  354.                     + (b&0x0303030303030303ULL)\

  355.                     + 0x0101010101010101ULL;\

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

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

  358.         uint64_t l1,h1;\

  359. \

  360.         pixels+=line_size;\

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

  362.             uint64_t a= LD64(pixels  );\

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

  364.             l1=  (a&0x0303030303030303ULL)\

  365.                + (b&0x0303030303030303ULL);\

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

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

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

  369.             pixels+=line_size;\

  370.             block +=line_size;\

  371.             a= LD64(pixels  );\

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

  373.             l0=  (a&0x0303030303030303ULL)\

  374.                + (b&0x0303030303030303ULL)\

  375.                + 0x0101010101010101ULL;\

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

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

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

  379.             pixels+=line_size;\

  380.             block +=line_size;\

  381.         }\

  382. }\

  383. \

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

  385.     OPNAME ## _pixels,\

  386.     OPNAME ## _pixels_x2,\

  387.     OPNAME ## _pixels_y2,\

  388.     OPNAME ## _pixels_xy2,\

  389. };\

  390. \

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

  392.     OPNAME ## _pixels,\

  393.     OPNAME ## _no_rnd_pixels_x2,\

  394.     OPNAME ## _no_rnd_pixels_y2,\

  395.     OPNAME ## _no_rnd_pixels_xy2,\

  396. };

  397. 

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

  399. #else // 64 bit variant

  400. 

  401. #define PIXOP2(OPNAME, OP) \

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

  403. {\

  404.     int i;\

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

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

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

  408.         pixels+=line_size;\

  409.         block +=line_size;\

  410.     }\

  411. }\

  412. \

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

  414. {\

  415.     int i;\

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

  417.         int j;\

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

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

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

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

  422.             pixels+=4;\

  423.             block +=4;\

  424.         }\

  425.         pixels+=line_size-8;\

  426.         block +=line_size-8;\

  427.     }\

  428. }\

  429. \

  430. void OPNAME ## _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 ## _no_rnd_pixels_y2(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+line_size);\

  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 ## _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_xy2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\

  482. {\

  483.     int j;\

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

  485.         int i;\

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

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

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

  489.                     + (b&0x03030303UL)\

  490.                     + 0x02020202UL;\

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

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

  493.         uint32_t l1,h1;\

  494. \

  495.         pixels+=line_size;\

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

  497.             uint32_t a= LD32(pixels  );\

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

  499.             l1=  (a&0x03030303UL)\

  500.                + (b&0x03030303UL);\

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

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

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

  504.             pixels+=line_size;\

  505.             block +=line_size;\

  506.             a= LD32(pixels  );\

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

  508.             l0=  (a&0x03030303UL)\

  509.                + (b&0x03030303UL)\

  510.                + 0x02020202UL;\

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

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

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

  514.             pixels+=line_size;\

  515.             block +=line_size;\

  516.         }\

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

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

  519.     }\

  520. }\

  521. \

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

  523. {\

  524.     int j;\

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

  526.         int i;\

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

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

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

  530.                     + (b&0x03030303UL)\

  531.                     + 0x01010101UL;\

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

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

  534.         uint32_t l1,h1;\

  535. \

  536.         pixels+=line_size;\

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

  538.             uint32_t a= LD32(pixels  );\

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

  540.             l1=  (a&0x03030303UL)\

  541.                + (b&0x03030303UL);\

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

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

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

  545.             pixels+=line_size;\

  546.             block +=line_size;\

  547.             a= LD32(pixels  );\

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

  549.             l0=  (a&0x03030303UL)\

  550.                + (b&0x03030303UL)\

  551.                + 0x01010101UL;\

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

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

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

  555.             pixels+=line_size;\

  556.             block +=line_size;\

  557.         }\

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

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

  560.     }\

  561. }\

  562. \

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

  564.     OPNAME ## _pixels,\

  565.     OPNAME ## _pixels_x2,\

  566.     OPNAME ## _pixels_y2,\

  567.     OPNAME ## _pixels_xy2,\

  568. };\

  569. \

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

  571.     OPNAME ## _pixels,\

  572.     OPNAME ## _no_rnd_pixels_x2,\

  573.     OPNAME ## _no_rnd_pixels_y2,\

  574.     OPNAME ## _no_rnd_pixels_xy2,\

  575. };

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

  577. #endif

  578. 

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

  580. 

  581. PIXOP2(avg, op_avg)

  582. PIXOP2(put, op_put)

  583. #undef op_avg

  584. #undef op_put

  585. 

  586. #if 0

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

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

  589.                                                                                          \

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

  591. {                                                                                        \

  592.     BTYPE *p;                                                                            \

  593.     const UINT8 *pix;                                                                    \

  594.                                                                                          \

  595.     p = block;                                                                           \

  596.     pix = pixels;                                                                        \

  597.     do {                                                                                 \

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

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

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

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

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

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

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

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

  606.         pix += line_size;                                                                \

  607.         p += INCR;                                                                       \

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

  609. }                                                                                        \

  610.                                                                                          \

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

  612. {                                                                                        \

  613.     BTYPE *p;                                                                          \

  614.     const UINT8 *pix;                                                                    \

  615.                                                                                          \

  616.     p = block;                                                                           \

  617.     pix = pixels;                                                                        \

  618.     do {                                                                   \

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

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

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

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

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

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

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

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

  627.         pix += line_size;                                                                \

  628.         p += INCR;                                                                       \

  629.     } while (--h);                                                                        \

  630. }                                                                                        \

  631.                                                                                          \

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

  633. {                                                                                        \

  634.     BTYPE *p;                                                                          \

  635.     const UINT8 *pix;                                                                    \

  636.     const UINT8 *pix1;                                                                   \

  637.                                                                                          \

  638.     p = block;                                                                           \

  639.     pix = pixels;                                                                        \

  640.     pix1 = pixels + line_size;                                                           \

  641.     do {                                                                                 \

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

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

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

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

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

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

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

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

  650.         pix += line_size;                                                                \

  651.         pix1 += line_size;                                                               \

  652.         p += INCR;                                                                       \

  653.     } while(--h);                                                                         \

  654. }                                                                                        \

  655.                                                                                          \

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

  657. {                                                                                        \

  658.     BTYPE *p;                                                                          \

  659.     const UINT8 *pix;                                                                    \

  660.     const UINT8 *pix1;                                                                   \

  661.                                                                                          \

  662.     p = block;                                                                           \

  663.     pix = pixels;                                                                        \

  664.     pix1 = pixels + line_size;                                                           \

  665.     do {                                                                   \

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

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

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

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

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

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

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

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

  674.         pix += line_size;                                                                \

  675.         pix1 += line_size;                                                               \

  676.         p += INCR;                                                                       \

  677.     } while(--h);                                                                         \

  678. }                                                                                        \

  679.                                                                                          \

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

  681.     OPNAME ## _pixels,                                                                   \

  682.     OPNAME ## _pixels_x2,                                                                \

  683.     OPNAME ## _pixels_y2,                                                                \

  684.     OPNAME ## _pixels_xy2,                                                               \

  685. };

  686. 

  687. /* rounding primitives */

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

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

  690. 

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

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

  693. 

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

  695. 

  696. /* not rounding primitives */

  697. #undef avg2

  698. #undef avg4

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

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

  701. 

  702. /* motion estimation */

  703. 

  704. #undef avg2

  705. #undef avg4

  706. #endif

  707. 

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

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

  710. 

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

  712. {

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

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

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

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

  717.     int i;

  718.     rounder= 128 - rounder;

  719. 

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

  721.     {

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

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

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

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

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

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

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

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

  730.         dst+= srcStride;

  731.         src+= srcStride;

  732.     }

  733. }

  734. 

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

  736. {

  737.     UINT8 *cm = cropTbl + MAX_NEG_CROP;

  738.     int i;

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

  740.     {

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

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

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

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

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

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

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

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

  749.         dst+=dstStride;

  750.         src+=srcStride;

  751.     }

  752. }

  753. 

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

  755. {

  756.     UINT8 *cm = cropTbl + MAX_NEG_CROP;

  757.     int i;

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

  759.     {

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  777.         dst++;

  778.         src++;

  779.     }

  780. }

  781. 

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

  783. {

  784.     int i;

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

  786.     {

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

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

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

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

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

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

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

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

  795.         dst+=dstStride;

  796.         src+=srcStride;

  797.     }

  798. }

  799. 

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

  801. {

  802.     int i;

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

  804.     {

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

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

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

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

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

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

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

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

  813.         dst+=dstStride;

  814.         src1+=srcStride;

  815.         src2+=8;

  816.     }

  817. }

  818. 

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

  820. {

  821.     int i;

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

  823.     {

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

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

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

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

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

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

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

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

  832.         dst+=dstStride;

  833.         src1+=srcStride;

  834.         src2+=8;

  835.         src3+=8;

  836.         src4+=8;

  837.     }

  838. }

  839. 

  840. #define QPEL_MC(r, name) \

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

  842. {\

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

  844. }\

  845. \

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

  847. {\

  848.     UINT8 half[64];\

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

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

  851. }\

  852. \

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

  854. {\

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

  856. }\

  857. \

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

  859. {\

  860.     UINT8 half[64];\

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

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

  863. }\

  864. \

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

  866. {\

  867.     UINT8 half[64];\

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

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

  870. }\

  871. \

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

  873. {\

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

  875. }\

  876. \

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

  878. {\

  879.     UINT8 half[64];\

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

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

  882. }\

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

  884. {\

  885.     UINT8 halfH[72];\

  886.     UINT8 halfV[64];\

  887.     UINT8 halfHV[64];\

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

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

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

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

  892. }\

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

  894. {\

  895.     UINT8 halfH[72];\

  896.     UINT8 halfV[64];\

  897.     UINT8 halfHV[64];\

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

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

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

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

  902. }\

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

  904. {\

  905.     UINT8 halfH[72];\

  906.     UINT8 halfV[64];\

  907.     UINT8 halfHV[64];\

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

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

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

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

  912. }\

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

  914. {\

  915.     UINT8 halfH[72];\

  916.     UINT8 halfV[64];\

  917.     UINT8 halfHV[64];\

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

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

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

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

  922. }\

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

  924. {\

  925.     UINT8 halfH[72];\

  926.     UINT8 halfHV[64];\

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

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

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

  930. }\

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

  932. {\

  933.     UINT8 halfH[72];\

  934.     UINT8 halfHV[64];\

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

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

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

  938. }\

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

  940. {\

  941.     UINT8 halfH[72];\

  942.     UINT8 halfV[64];\

  943.     UINT8 halfHV[64];\

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

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

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

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

  948. }\

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

  950. {\

  951.     UINT8 halfH[72];\

  952.     UINT8 halfV[64];\

  953.     UINT8 halfHV[64];\

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

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

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

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

  958. }\

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

  960. {\

  961.     UINT8 halfH[72];\

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

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

  964. }\

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

  966.     qpel_mc00_c ## name,                                                                   \

  967.     qpel_mc10_c ## name,                                                                   \

  968.     qpel_mc20_c ## name,                                                                   \

  969.     qpel_mc30_c ## name,                                                                   \

  970.     qpel_mc01_c ## name,                                                                   \

  971.     qpel_mc11_c ## name,                                                                   \

  972.     qpel_mc21_c ## name,                                                                   \

  973.     qpel_mc31_c ## name,                                                                   \

  974.     qpel_mc02_c ## name,                                                                   \

  975.     qpel_mc12_c ## name,                                                                   \

  976.     qpel_mc22_c ## name,                                                                   \

  977.     qpel_mc32_c ## name,                                                                   \

  978.     qpel_mc03_c ## name,                                                                   \

  979.     qpel_mc13_c ## name,                                                                   \

  980.     qpel_mc23_c ## name,                                                                   \

  981.     qpel_mc33_c ## name,                                                                   \

  982. };

  983. 

  984. QPEL_MC(0, _rnd)

  985. QPEL_MC(1, _no_rnd)

  986. 

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

  988. {

  989.     int s, i;

  990. 

  991.     s = 0;

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

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

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

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

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

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

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

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

  1000.         s += abs(pix1[7] - pix2[7]);

  1001.         s += abs(pix1[8] - pix2[8]);

  1002.         s += abs(pix1[9] - pix2[9]);

  1003.         s += abs(pix1[10] - pix2[10]);

  1004.         s += abs(pix1[11] - pix2[11]);

  1005.         s += abs(pix1[12] - pix2[12]);

  1006.         s += abs(pix1[13] - pix2[13]);

  1007.         s += abs(pix1[14] - pix2[14]);

  1008.         s += abs(pix1[15] - pix2[15]);

  1009.         pix1 += line_size;

  1010.         pix2 += line_size;

  1011.     }

  1012.     return s;

  1013. }

  1014. 

  1015. int pix_abs16x16_x2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1016. {

  1017.     int s, i;

  1018. 

  1019.     s = 0;

  1020.     for(i=0;i<16;i++) {

  1021.         s += abs(pix1[0] - avg2(pix2[0], pix2[1]));

  1022.         s += abs(pix1[1] - avg2(pix2[1], pix2[2]));

  1023.         s += abs(pix1[2] - avg2(pix2[2], pix2[3]));

  1024.         s += abs(pix1[3] - avg2(pix2[3], pix2[4]));

  1025.         s += abs(pix1[4] - avg2(pix2[4], pix2[5]));

  1026.         s += abs(pix1[5] - avg2(pix2[5], pix2[6]));

  1027.         s += abs(pix1[6] - avg2(pix2[6], pix2[7]));

  1028.         s += abs(pix1[7] - avg2(pix2[7], pix2[8]));

  1029.         s += abs(pix1[8] - avg2(pix2[8], pix2[9]));

  1030.         s += abs(pix1[9] - avg2(pix2[9], pix2[10]));

  1031.         s += abs(pix1[10] - avg2(pix2[10], pix2[11]));

  1032.         s += abs(pix1[11] - avg2(pix2[11], pix2[12]));

  1033.         s += abs(pix1[12] - avg2(pix2[12], pix2[13]));

  1034.         s += abs(pix1[13] - avg2(pix2[13], pix2[14]));

  1035.         s += abs(pix1[14] - avg2(pix2[14], pix2[15]));

  1036.         s += abs(pix1[15] - avg2(pix2[15], pix2[16]));

  1037.         pix1 += line_size;

  1038.         pix2 += line_size;

  1039.     }

  1040.     return s;

  1041. }

  1042. 

  1043. int pix_abs16x16_y2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1044. {

  1045.     int s, i;

  1046.     UINT8 *pix3 = pix2 + line_size;

  1047. 

  1048.     s = 0;

  1049.     for(i=0;i<16;i++) {

  1050.         s += abs(pix1[0] - avg2(pix2[0], pix3[0]));

  1051.         s += abs(pix1[1] - avg2(pix2[1], pix3[1]));

  1052.         s += abs(pix1[2] - avg2(pix2[2], pix3[2]));

  1053.         s += abs(pix1[3] - avg2(pix2[3], pix3[3]));

  1054.         s += abs(pix1[4] - avg2(pix2[4], pix3[4]));

  1055.         s += abs(pix1[5] - avg2(pix2[5], pix3[5]));

  1056.         s += abs(pix1[6] - avg2(pix2[6], pix3[6]));

  1057.         s += abs(pix1[7] - avg2(pix2[7], pix3[7]));

  1058.         s += abs(pix1[8] - avg2(pix2[8], pix3[8]));

  1059.         s += abs(pix1[9] - avg2(pix2[9], pix3[9]));

  1060.         s += abs(pix1[10] - avg2(pix2[10], pix3[10]));

  1061.         s += abs(pix1[11] - avg2(pix2[11], pix3[11]));

  1062.         s += abs(pix1[12] - avg2(pix2[12], pix3[12]));

  1063.         s += abs(pix1[13] - avg2(pix2[13], pix3[13]));

  1064.         s += abs(pix1[14] - avg2(pix2[14], pix3[14]));

  1065.         s += abs(pix1[15] - avg2(pix2[15], pix3[15]));

  1066.         pix1 += line_size;

  1067.         pix2 += line_size;

  1068.         pix3 += line_size;

  1069.     }

  1070.     return s;

  1071. }

  1072. 

  1073. int pix_abs16x16_xy2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1074. {

  1075.     int s, i;

  1076.     UINT8 *pix3 = pix2 + line_size;

  1077. 

  1078.     s = 0;

  1079.     for(i=0;i<16;i++) {

  1080.         s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1]));

  1081.         s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2]));

  1082.         s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3]));

  1083.         s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4]));

  1084.         s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5]));

  1085.         s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6]));

  1086.         s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7]));

  1087.         s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8]));

  1088.         s += abs(pix1[8] - avg4(pix2[8], pix2[9], pix3[8], pix3[9]));

  1089.         s += abs(pix1[9] - avg4(pix2[9], pix2[10], pix3[9], pix3[10]));

  1090.         s += abs(pix1[10] - avg4(pix2[10], pix2[11], pix3[10], pix3[11]));

  1091.         s += abs(pix1[11] - avg4(pix2[11], pix2[12], pix3[11], pix3[12]));

  1092.         s += abs(pix1[12] - avg4(pix2[12], pix2[13], pix3[12], pix3[13]));

  1093.         s += abs(pix1[13] - avg4(pix2[13], pix2[14], pix3[13], pix3[14]));

  1094.         s += abs(pix1[14] - avg4(pix2[14], pix2[15], pix3[14], pix3[15]));

  1095.         s += abs(pix1[15] - avg4(pix2[15], pix2[16], pix3[15], pix3[16]));

  1096.         pix1 += line_size;

  1097.         pix2 += line_size;

  1098.         pix3 += line_size;

  1099.     }

  1100.     return s;

  1101. }

  1102. 

  1103. int pix_abs8x8_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1104. {

  1105.     int s, i;

  1106. 

  1107.     s = 0;

  1108.     for(i=0;i<8;i++) {

  1109.         s += abs(pix1[0] - pix2[0]);

  1110.         s += abs(pix1[1] - pix2[1]);

  1111.         s += abs(pix1[2] - pix2[2]);

  1112.         s += abs(pix1[3] - pix2[3]);

  1113.         s += abs(pix1[4] - pix2[4]);

  1114.         s += abs(pix1[5] - pix2[5]);

  1115.         s += abs(pix1[6] - pix2[6]);

  1116.         s += abs(pix1[7] - pix2[7]);

  1117.         pix1 += line_size;

  1118.         pix2 += line_size;

  1119.     }

  1120.     return s;

  1121. }

  1122. 

  1123. int pix_abs8x8_x2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1124. {

  1125.     int s, i;

  1126. 

  1127.     s = 0;

  1128.     for(i=0;i<8;i++) {

  1129.         s += abs(pix1[0] - avg2(pix2[0], pix2[1]));

  1130.         s += abs(pix1[1] - avg2(pix2[1], pix2[2]));

  1131.         s += abs(pix1[2] - avg2(pix2[2], pix2[3]));

  1132.         s += abs(pix1[3] - avg2(pix2[3], pix2[4]));

  1133.         s += abs(pix1[4] - avg2(pix2[4], pix2[5]));

  1134.         s += abs(pix1[5] - avg2(pix2[5], pix2[6]));

  1135.         s += abs(pix1[6] - avg2(pix2[6], pix2[7]));

  1136.         s += abs(pix1[7] - avg2(pix2[7], pix2[8]));

  1137.         pix1 += line_size;

  1138.         pix2 += line_size;

  1139.     }

  1140.     return s;

  1141. }

  1142. 

  1143. int pix_abs8x8_y2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1144. {

  1145.     int s, i;

  1146.     UINT8 *pix3 = pix2 + line_size;

  1147. 

  1148.     s = 0;

  1149.     for(i=0;i<8;i++) {

  1150.         s += abs(pix1[0] - avg2(pix2[0], pix3[0]));

  1151.         s += abs(pix1[1] - avg2(pix2[1], pix3[1]));

  1152.         s += abs(pix1[2] - avg2(pix2[2], pix3[2]));

  1153.         s += abs(pix1[3] - avg2(pix2[3], pix3[3]));

  1154.         s += abs(pix1[4] - avg2(pix2[4], pix3[4]));

  1155.         s += abs(pix1[5] - avg2(pix2[5], pix3[5]));

  1156.         s += abs(pix1[6] - avg2(pix2[6], pix3[6]));

  1157.         s += abs(pix1[7] - avg2(pix2[7], pix3[7]));

  1158.         pix1 += line_size;

  1159.         pix2 += line_size;

  1160.         pix3 += line_size;

  1161.     }

  1162.     return s;

  1163. }

  1164. 

  1165. int pix_abs8x8_xy2_c(UINT8 *pix1, UINT8 *pix2, int line_size)

  1166. {

  1167.     int s, i;

  1168.     UINT8 *pix3 = pix2 + line_size;

  1169. 

  1170.     s = 0;

  1171.     for(i=0;i<8;i++) {

  1172.         s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1]));

  1173.         s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2]));

  1174.         s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3]));

  1175.         s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4]));

  1176.         s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5]));

  1177.         s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6]));

  1178.         s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7]));

  1179.         s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8]));

  1180.         pix1 += line_size;

  1181.         pix2 += line_size;

  1182.         pix3 += line_size;

  1183.     }

  1184.     return s;

  1185. }

  1186. 

  1187. /* permute block according so that it corresponds to the MMX idct

  1188.    order */

  1189. #ifdef SIMPLE_IDCT

  1190.  /* general permutation, but perhaps slightly slower */

  1191. void block_permute(INT16 *block)

  1192. {

  1193. 	int i;

  1194. 	INT16 temp[64];

  1195. 

  1196. 	for(i=0; i<64; i++) temp[ block_permute_op(i) ] = block[i];

  1197. 

  1198. 	for(i=0; i<64; i++) block[i] = temp[i];

  1199. }

  1200. #else

  1201. 

  1202. void block_permute(INT16 *block)

  1203. {

  1204.     int tmp1, tmp2, tmp3, tmp4, tmp5, tmp6;

  1205.     int i;

  1206. 

  1207.     for(i=0;i<8;i++) {

  1208.         tmp1 = block[1];

  1209.         tmp2 = block[2];

  1210.         tmp3 = block[3];

  1211.         tmp4 = block[4];

  1212.         tmp5 = block[5];

  1213.         tmp6 = block[6];

  1214.         block[1] = tmp2;

  1215.         block[2] = tmp4;

  1216.         block[3] = tmp6;

  1217.         block[4] = tmp1;

  1218.         block[5] = tmp3;

  1219.         block[6] = tmp5;

  1220.         block += 8;

  1221.     }

  1222. }

  1223. #endif

  1224. 

  1225. void clear_blocks_c(DCTELEM *blocks)

  1226. {

  1227.     memset(blocks, 0, sizeof(DCTELEM)*6*64);

  1228. }

  1229. 

  1230. /* XXX: those functions should be suppressed ASAP when all IDCTs are

  1231.    converted */

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

  1233. {

  1234.     ff_idct (block);

  1235.     put_pixels_clamped(block, dest, line_size);

  1236. }

  1237. 

  1238. void gen_idct_add(UINT8 *dest, int line_size, DCTELEM *block)

  1239. {

  1240.     ff_idct (block);

  1241.     add_pixels_clamped(block, dest, line_size);

  1242. }

  1243. 

  1244. void dsputil_init(void)

  1245. {

  1246.     int i, j;

  1247.     int use_permuted_idct;

  1248. 

  1249.     for(i=0;i<256;i++) cropTbl[i + MAX_NEG_CROP] = i;

  1250.     for(i=0;i<MAX_NEG_CROP;i++) {

  1251.         cropTbl[i] = 0;

  1252.         cropTbl[i + MAX_NEG_CROP + 256] = 255;

  1253.     }

  1254. 

  1255.     for(i=0;i<512;i++) {

  1256.         squareTbl[i] = (i - 256) * (i - 256);

  1257.     }

  1258. 

  1259. #ifdef SIMPLE_IDCT

  1260.     ff_idct = NULL;

  1261. #else

  1262.     ff_idct = j_rev_dct;

  1263. #endif

  1264.     get_pixels = get_pixels_c;

  1265.     diff_pixels = diff_pixels_c;

  1266.     put_pixels_clamped = put_pixels_clamped_c;

  1267.     add_pixels_clamped = add_pixels_clamped_c;

  1268.     gmc1= gmc1_c;

  1269.     clear_blocks= clear_blocks_c;

  1270. 

  1271.     pix_abs16x16     = pix_abs16x16_c;

  1272.     pix_abs16x16_x2  = pix_abs16x16_x2_c;

  1273.     pix_abs16x16_y2  = pix_abs16x16_y2_c;

  1274.     pix_abs16x16_xy2 = pix_abs16x16_xy2_c;

  1275.     pix_abs8x8     = pix_abs8x8_c;

  1276.     pix_abs8x8_x2  = pix_abs8x8_x2_c;

  1277.     pix_abs8x8_y2  = pix_abs8x8_y2_c;

  1278.     pix_abs8x8_xy2 = pix_abs8x8_xy2_c;

  1279.     av_fdct = fdct_ifast;

  1280. 

  1281.     use_permuted_idct = 1;

  1282. 

  1283. #ifdef HAVE_MMX

  1284.     dsputil_init_mmx();

  1285. #endif

  1286. #ifdef ARCH_ARMV4L

  1287.     dsputil_init_armv4l();

  1288. #endif

  1289. #ifdef HAVE_MLIB

  1290.     dsputil_init_mlib();

  1291.     use_permuted_idct = 0;

  1292. #endif

  1293. #ifdef ARCH_ALPHA

  1294.     dsputil_init_alpha();

  1295.     use_permuted_idct = 0;

  1296. #endif

  1297. 

  1298. #ifdef SIMPLE_IDCT

  1299.     if (ff_idct == NULL) {

  1300.         ff_idct_put = simple_idct_put;

  1301.         ff_idct_add = simple_idct_add;

  1302.         use_permuted_idct=0;

  1303.     } else {

  1304.         ff_idct_put = gen_idct_put;

  1305.         ff_idct_add = gen_idct_add;

  1306.     }

  1307. #endif

  1308. 

  1309.     if(use_permuted_idct)

  1310. #ifdef SIMPLE_IDCT

  1311.         for(i=0; i<64; i++) permutation[i]= simple_mmx_permutation[i];

  1312. #else

  1313.         for(i=0; i<64; i++) permutation[i]= (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2);

  1314. #endif

  1315.     else

  1316.         for(i=0; i<64; i++) permutation[i]=i;

  1317. 

  1318.     for(i=0; i<64; i++) inv_zigzag_direct16[zigzag_direct[i]]= i+1;

  1319.     for(i=0; i<64; i++) zigzag_direct_noperm[i]= zigzag_direct[i];

  1320.     

  1321.     if (use_permuted_idct) {

  1322.         /* permute for IDCT */

  1323.         for(i=0;i<64;i++) {

  1324.             j = zigzag_direct[i];

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

  1326.             j = ff_alternate_horizontal_scan[i];

  1327.             ff_alternate_horizontal_scan[i] = block_permute_op(j);

  1328.             j = ff_alternate_vertical_scan[i];

  1329.             ff_alternate_vertical_scan[i] = block_permute_op(j);

  1330.         }

  1331.         block_permute(default_intra_matrix);

  1332.         block_permute(default_non_intra_matrix);

  1333.         block_permute(ff_mpeg4_default_intra_matrix);

  1334.         block_permute(ff_mpeg4_default_non_intra_matrix);

  1335.     }

  1336.     

  1337.     build_zigzag_end();

  1338. }

  1339. 

  1340. /* remove any non bit exact operation (testing purpose) */

  1341. void avcodec_set_bit_exact(void)

  1342. {

  1343. #ifdef HAVE_MMX

  1344.     dsputil_set_bit_exact_mmx();

  1345. #endif

  1346. }

  1347. 

  1348. void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],

  1349.               int orig_linesize[3], int coded_linesize,

  1350.               AVCodecContext *avctx)

  1351. {

  1352.     int quad, diff, x, y;

  1353.     UINT8 *orig, *coded;

  1354.     UINT32 *sq = squareTbl + 256;

  1355.     

  1356.     quad = 0;

  1357.     diff = 0;

  1358.     

  1359.     /* Luminance */

  1360.     orig = orig_image[0];

  1361.     coded = coded_image[0];

  1362.     

  1363.     for (y=0;y<avctx->height;y++) {

  1364.         for (x=0;x<avctx->width;x++) {

  1365.             diff = *(orig + x) - *(coded + x);

  1366.             quad += sq[diff];

  1367.         }

  1368.         orig += orig_linesize[0];

  1369.         coded += coded_linesize;

  1370.     }

  1371.    

  1372.     avctx->psnr_y = (float) quad / (float) (avctx->width * avctx->height);

  1373.     

  1374.     if (avctx->psnr_y) {

  1375.         avctx->psnr_y = (float) (255 * 255) / avctx->psnr_y;

  1376.         avctx->psnr_y = 10 * (float) log10 (avctx->psnr_y); 

  1377.     } else

  1378.         avctx->psnr_y = 99.99;

  1379. }