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FFmpeg/libavcodec/vc1dsp.c

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  1. /*

  2.  * VC-1 and WMV3 decoder - DSP functions

  3.  * Copyright (c) 2006 Konstantin Shishkov

  4.  *

  5.  * This file is part of FFmpeg.

  6.  *

  7.  * FFmpeg is free software; you can redistribute it and/or

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

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

  10.  * version 2.1 of the License, or (at your option) any later version.

  11.  *

  12.  * FFmpeg is distributed in the hope that it will be useful,

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

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

  15.  * Lesser General Public License for more details.

  16.  *

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

  18.  * License along with FFmpeg; if not, write to the Free Software

  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  20.  */

  21. 

  22. /**

  23. * @file libavcodec/vc1dsp.c

  24.  * VC-1 and WMV3 decoder

  25.  *

  26.  */

  27. 

  28. #include "dsputil.h"

  29. 

  30. 

  31. /** Apply overlap transform to horizontal edge

  32. */

  33. static void vc1_v_overlap_c(uint8_t* src, int stride)

  34. {

  35.     int i;

  36.     int a, b, c, d;

  37.     int d1, d2;

  38.     int rnd = 1;

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

  40.         a = src[-2*stride];

  41.         b = src[-stride];

  42.         c = src[0];

  43.         d = src[stride];

  44.         d1 = (a - d + 3 + rnd) >> 3;

  45.         d2 = (a - d + b - c + 4 - rnd) >> 3;

  46. 

  47.         src[-2*stride] = a - d1;

  48.         src[-stride] = av_clip_uint8(b - d2);

  49.         src[0] = av_clip_uint8(c + d2);

  50.         src[stride] = d + d1;

  51.         src++;

  52.         rnd = !rnd;

  53.     }

  54. }

  55. 

  56. /** Apply overlap transform to vertical edge

  57. */

  58. static void vc1_h_overlap_c(uint8_t* src, int stride)

  59. {

  60.     int i;

  61.     int a, b, c, d;

  62.     int d1, d2;

  63.     int rnd = 1;

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

  65.         a = src[-2];

  66.         b = src[-1];

  67.         c = src[0];

  68.         d = src[1];

  69.         d1 = (a - d + 3 + rnd) >> 3;

  70.         d2 = (a - d + b - c + 4 - rnd) >> 3;

  71. 

  72.         src[-2] = a - d1;

  73.         src[-1] = av_clip_uint8(b - d2);

  74.         src[0] = av_clip_uint8(c + d2);

  75.         src[1] = d + d1;

  76.         src += stride;

  77.         rnd = !rnd;

  78.     }

  79. }

  80. 

  81. /**

  82.  * VC-1 in-loop deblocking filter for one line

  83.  * @param src source block type

  84.  * @param stride block stride

  85.  * @param pq block quantizer

  86.  * @return whether other 3 pairs should be filtered or not

  87.  * @see 8.6

  88.  */

  89. static av_always_inline int vc1_filter_line(uint8_t* src, int stride, int pq){

  90.     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;

  91. 

  92.     int a0 = (2*(src[-2*stride] - src[ 1*stride]) - 5*(src[-1*stride] - src[ 0*stride]) + 4) >> 3;

  93.     int a0_sign = a0 >> 31;        /* Store sign */

  94.     a0 = (a0 ^ a0_sign) - a0_sign; /* a0 = FFABS(a0); */

  95.     if(a0 < pq){

  96.         int a1 = FFABS((2*(src[-4*stride] - src[-1*stride]) - 5*(src[-3*stride] - src[-2*stride]) + 4) >> 3);

  97.         int a2 = FFABS((2*(src[ 0*stride] - src[ 3*stride]) - 5*(src[ 1*stride] - src[ 2*stride]) + 4) >> 3);

  98.         if(a1 < a0 || a2 < a0){

  99.             int clip = src[-1*stride] - src[ 0*stride];

  100.             int clip_sign = clip >> 31;

  101.             clip = ((clip ^ clip_sign) - clip_sign)>>1;

  102.             if(clip){

  103.                 int a3 = FFMIN(a1, a2);

  104.                 int d = 5 * (a3 - a0);

  105.                 int d_sign = (d >> 31);

  106.                 d = ((d ^ d_sign) - d_sign) >> 3;

  107.                 d_sign ^= a0_sign;

  108. 

  109.                 if( d_sign ^ clip_sign )

  110.                     d = 0;

  111.                 else{

  112.                     d = FFMIN(d, clip);

  113.                     d = (d ^ d_sign) - d_sign;          /* Restore sign */

  114.                     src[-1*stride] = cm[src[-1*stride] - d];

  115.                     src[ 0*stride] = cm[src[ 0*stride] + d];

  116.                 }

  117.                 return 1;

  118.             }

  119.         }

  120.     }

  121.     return 0;

  122. }

  123. 

  124. /**

  125.  * VC-1 in-loop deblocking filter

  126.  * @param src source block type

  127.  * @param step distance between horizontally adjacent elements

  128.  * @param stride distance between vertically adjacent elements

  129.  * @param len edge length to filter (4 or 8 pixels)

  130.  * @param pq block quantizer

  131.  * @see 8.6

  132.  */

  133. static void vc1_loop_filter(uint8_t* src, int step, int stride, int len, int pq)

  134. {

  135.     int i;

  136.     int filt3;

  137. 

  138.     for(i = 0; i < len; i += 4){

  139.         filt3 = vc1_filter_line(src + 2*step, stride, pq);

  140.         if(filt3){

  141.             vc1_filter_line(src + 0*step, stride, pq);

  142.             vc1_filter_line(src + 1*step, stride, pq);

  143.             vc1_filter_line(src + 3*step, stride, pq);

  144.         }

  145.         src += step * 4;

  146.     }

  147. }

  148. 

  149. /** Do inverse transform on 8x8 block

  150. */

  151. static void vc1_inv_trans_8x8_c(DCTELEM block[64])

  152. {

  153.     int i;

  154.     register int t1,t2,t3,t4,t5,t6,t7,t8;

  155.     DCTELEM *src, *dst;

  156. 

  157.     src = block;

  158.     dst = block;

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

  160.         t1 = 12 * (src[0] + src[4]) + 4;

  161.         t2 = 12 * (src[0] - src[4]) + 4;

  162.         t3 = 16 * src[2] +  6 * src[6];

  163.         t4 =  6 * src[2] - 16 * src[6];

  164. 

  165.         t5 = t1 + t3;

  166.         t6 = t2 + t4;

  167.         t7 = t2 - t4;

  168.         t8 = t1 - t3;

  169. 

  170.         t1 = 16 * src[1] + 15 * src[3] +  9 * src[5] +  4 * src[7];

  171.         t2 = 15 * src[1] -  4 * src[3] - 16 * src[5] -  9 * src[7];

  172.         t3 =  9 * src[1] - 16 * src[3] +  4 * src[5] + 15 * src[7];

  173.         t4 =  4 * src[1] -  9 * src[3] + 15 * src[5] - 16 * src[7];

  174. 

  175.         dst[0] = (t5 + t1) >> 3;

  176.         dst[1] = (t6 + t2) >> 3;

  177.         dst[2] = (t7 + t3) >> 3;

  178.         dst[3] = (t8 + t4) >> 3;

  179.         dst[4] = (t8 - t4) >> 3;

  180.         dst[5] = (t7 - t3) >> 3;

  181.         dst[6] = (t6 - t2) >> 3;

  182.         dst[7] = (t5 - t1) >> 3;

  183. 

  184.         src += 8;

  185.         dst += 8;

  186.     }

  187. 

  188.     src = block;

  189.     dst = block;

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

  191.         t1 = 12 * (src[ 0] + src[32]) + 64;

  192.         t2 = 12 * (src[ 0] - src[32]) + 64;

  193.         t3 = 16 * src[16] +  6 * src[48];

  194.         t4 =  6 * src[16] - 16 * src[48];

  195. 

  196.         t5 = t1 + t3;

  197.         t6 = t2 + t4;

  198.         t7 = t2 - t4;

  199.         t8 = t1 - t3;

  200. 

  201.         t1 = 16 * src[ 8] + 15 * src[24] +  9 * src[40] +  4 * src[56];

  202.         t2 = 15 * src[ 8] -  4 * src[24] - 16 * src[40] -  9 * src[56];

  203.         t3 =  9 * src[ 8] - 16 * src[24] +  4 * src[40] + 15 * src[56];

  204.         t4 =  4 * src[ 8] -  9 * src[24] + 15 * src[40] - 16 * src[56];

  205. 

  206.         dst[ 0] = (t5 + t1) >> 7;

  207.         dst[ 8] = (t6 + t2) >> 7;

  208.         dst[16] = (t7 + t3) >> 7;

  209.         dst[24] = (t8 + t4) >> 7;

  210.         dst[32] = (t8 - t4 + 1) >> 7;

  211.         dst[40] = (t7 - t3 + 1) >> 7;

  212.         dst[48] = (t6 - t2 + 1) >> 7;

  213.         dst[56] = (t5 - t1 + 1) >> 7;

  214. 

  215.         src++;

  216.         dst++;

  217.     }

  218. }

  219. 

  220. /** Do inverse transform on 8x4 part of block

  221. */

  222. static void vc1_inv_trans_8x4_c(uint8_t *dest, int linesize, DCTELEM *block)

  223. {

  224.     int i;

  225.     register int t1,t2,t3,t4,t5,t6,t7,t8;

  226.     DCTELEM *src, *dst;

  227.     const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;

  228. 

  229.     src = block;

  230.     dst = block;

  231.     for(i = 0; i < 4; i++){

  232.         t1 = 12 * (src[0] + src[4]) + 4;

  233.         t2 = 12 * (src[0] - src[4]) + 4;

  234.         t3 = 16 * src[2] +  6 * src[6];

  235.         t4 =  6 * src[2] - 16 * src[6];

  236. 

  237.         t5 = t1 + t3;

  238.         t6 = t2 + t4;

  239.         t7 = t2 - t4;

  240.         t8 = t1 - t3;

  241. 

  242.         t1 = 16 * src[1] + 15 * src[3] +  9 * src[5] +  4 * src[7];

  243.         t2 = 15 * src[1] -  4 * src[3] - 16 * src[5] -  9 * src[7];

  244.         t3 =  9 * src[1] - 16 * src[3] +  4 * src[5] + 15 * src[7];

  245.         t4 =  4 * src[1] -  9 * src[3] + 15 * src[5] - 16 * src[7];

  246. 

  247.         dst[0] = (t5 + t1) >> 3;

  248.         dst[1] = (t6 + t2) >> 3;

  249.         dst[2] = (t7 + t3) >> 3;

  250.         dst[3] = (t8 + t4) >> 3;

  251.         dst[4] = (t8 - t4) >> 3;

  252.         dst[5] = (t7 - t3) >> 3;

  253.         dst[6] = (t6 - t2) >> 3;

  254.         dst[7] = (t5 - t1) >> 3;

  255. 

  256.         src += 8;

  257.         dst += 8;

  258.     }

  259. 

  260.     src = block;

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

  262.         t1 = 17 * (src[ 0] + src[16]) + 64;

  263.         t2 = 17 * (src[ 0] - src[16]) + 64;

  264.         t3 = 22 * src[ 8] + 10 * src[24];

  265.         t4 = 22 * src[24] - 10 * src[ 8];

  266. 

  267.         dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3) >> 7)];

  268.         dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)];

  269.         dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)];

  270.         dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)];

  271. 

  272.         src ++;

  273.         dest++;

  274.     }

  275. }

  276. 

  277. /** Do inverse transform on 4x8 parts of block

  278. */

  279. static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, DCTELEM *block)

  280. {

  281.     int i;

  282.     register int t1,t2,t3,t4,t5,t6,t7,t8;

  283.     DCTELEM *src, *dst;

  284.     const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;

  285. 

  286.     src = block;

  287.     dst = block;

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

  289.         t1 = 17 * (src[0] + src[2]) + 4;

  290.         t2 = 17 * (src[0] - src[2]) + 4;

  291.         t3 = 22 * src[1] + 10 * src[3];

  292.         t4 = 22 * src[3] - 10 * src[1];

  293. 

  294.         dst[0] = (t1 + t3) >> 3;

  295.         dst[1] = (t2 - t4) >> 3;

  296.         dst[2] = (t2 + t4) >> 3;

  297.         dst[3] = (t1 - t3) >> 3;

  298. 

  299.         src += 8;

  300.         dst += 8;

  301.     }

  302. 

  303.     src = block;

  304.     for(i = 0; i < 4; i++){

  305.         t1 = 12 * (src[ 0] + src[32]) + 64;

  306.         t2 = 12 * (src[ 0] - src[32]) + 64;

  307.         t3 = 16 * src[16] +  6 * src[48];

  308.         t4 =  6 * src[16] - 16 * src[48];

  309. 

  310.         t5 = t1 + t3;

  311.         t6 = t2 + t4;

  312.         t7 = t2 - t4;

  313.         t8 = t1 - t3;

  314. 

  315.         t1 = 16 * src[ 8] + 15 * src[24] +  9 * src[40] +  4 * src[56];

  316.         t2 = 15 * src[ 8] -  4 * src[24] - 16 * src[40] -  9 * src[56];

  317.         t3 =  9 * src[ 8] - 16 * src[24] +  4 * src[40] + 15 * src[56];

  318.         t4 =  4 * src[ 8] -  9 * src[24] + 15 * src[40] - 16 * src[56];

  319. 

  320.         dest[0*linesize] = cm[dest[0*linesize] + ((t5 + t1) >> 7)];

  321.         dest[1*linesize] = cm[dest[1*linesize] + ((t6 + t2) >> 7)];

  322.         dest[2*linesize] = cm[dest[2*linesize] + ((t7 + t3) >> 7)];

  323.         dest[3*linesize] = cm[dest[3*linesize] + ((t8 + t4) >> 7)];

  324.         dest[4*linesize] = cm[dest[4*linesize] + ((t8 - t4 + 1) >> 7)];

  325.         dest[5*linesize] = cm[dest[5*linesize] + ((t7 - t3 + 1) >> 7)];

  326.         dest[6*linesize] = cm[dest[6*linesize] + ((t6 - t2 + 1) >> 7)];

  327.         dest[7*linesize] = cm[dest[7*linesize] + ((t5 - t1 + 1) >> 7)];

  328. 

  329.         src ++;

  330.         dest++;

  331.     }

  332. }

  333. 

  334. /** Do inverse transform on 4x4 part of block

  335. */

  336. static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, DCTELEM *block)

  337. {

  338.     int i;

  339.     register int t1,t2,t3,t4;

  340.     DCTELEM *src, *dst;

  341.     const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;

  342. 

  343.     src = block;

  344.     dst = block;

  345.     for(i = 0; i < 4; i++){

  346.         t1 = 17 * (src[0] + src[2]) + 4;

  347.         t2 = 17 * (src[0] - src[2]) + 4;

  348.         t3 = 22 * src[1] + 10 * src[3];

  349.         t4 = 22 * src[3] - 10 * src[1];

  350. 

  351.         dst[0] = (t1 + t3) >> 3;

  352.         dst[1] = (t2 - t4) >> 3;

  353.         dst[2] = (t2 + t4) >> 3;

  354.         dst[3] = (t1 - t3) >> 3;

  355. 

  356.         src += 8;

  357.         dst += 8;

  358.     }

  359. 

  360.     src = block;

  361.     for(i = 0; i < 4; i++){

  362.         t1 = 17 * (src[ 0] + src[16]) + 64;

  363.         t2 = 17 * (src[ 0] - src[16]) + 64;

  364.         t3 = 22 * src[ 8] + 10 * src[24];

  365.         t4 = 22 * src[24] - 10 * src[ 8];

  366. 

  367.         dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3) >> 7)];

  368.         dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)];

  369.         dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)];

  370.         dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)];

  371. 

  372.         src ++;

  373.         dest++;

  374.     }

  375. }

  376. 

  377. /* motion compensation functions */

  378. /** Filter in case of 2 filters */

  379. #define VC1_MSPEL_FILTER_16B(DIR, TYPE)                                 \

  380. static av_always_inline int vc1_mspel_ ## DIR ## _filter_16bits(const TYPE *src, int stride, int mode) \

  381. {                                                                       \

  382.     switch(mode){                                                       \

  383.     case 0: /* no shift - should not occur */                           \

  384.         return 0;                                                       \

  385.     case 1: /* 1/4 shift */                                             \

  386.         return -4*src[-stride] + 53*src[0] + 18*src[stride] - 3*src[stride*2]; \

  387.     case 2: /* 1/2 shift */                                             \

  388.         return -src[-stride] + 9*src[0] + 9*src[stride] - src[stride*2]; \

  389.     case 3: /* 3/4 shift */                                             \

  390.         return -3*src[-stride] + 18*src[0] + 53*src[stride] - 4*src[stride*2]; \

  391.     }                                                                   \

  392.     return 0; /* should not occur */                                    \

  393. }

  394. 

  395. VC1_MSPEL_FILTER_16B(ver, uint8_t);

  396. VC1_MSPEL_FILTER_16B(hor, int16_t);

  397. 

  398. 

  399. /** Filter used to interpolate fractional pel values

  400.  */

  401. static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int mode, int r)

  402. {

  403.     switch(mode){

  404.     case 0: //no shift

  405.         return src[0];

  406.     case 1: // 1/4 shift

  407.         return (-4*src[-stride] + 53*src[0] + 18*src[stride] - 3*src[stride*2] + 32 - r) >> 6;

  408.     case 2: // 1/2 shift

  409.         return (-src[-stride] + 9*src[0] + 9*src[stride] - src[stride*2] + 8 - r) >> 4;

  410.     case 3: // 3/4 shift

  411.         return (-3*src[-stride] + 18*src[0] + 53*src[stride] - 4*src[stride*2] + 32 - r) >> 6;

  412.     }

  413.     return 0; //should not occur

  414. }

  415. 

  416. /** Function used to do motion compensation with bicubic interpolation

  417.  */

  418. #define VC1_MSPEL_MC(OP, OPNAME)\

  419. static void OPNAME ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int hmode, int vmode, int rnd)\

  420. {\

  421.     int     i, j;\

  422. \

  423.     if (vmode) { /* Horizontal filter to apply */\

  424.         int r;\

  425. \

  426.         if (hmode) { /* Vertical filter to apply, output to tmp */\

  427.             static const int shift_value[] = { 0, 5, 1, 5 };\

  428.             int              shift = (shift_value[hmode]+shift_value[vmode])>>1;\

  429.             int16_t          tmp[11*8], *tptr = tmp;\

  430. \

  431.             r = (1<<(shift-1)) + rnd-1;\

  432. \

  433.             src -= 1;\

  434.             for(j = 0; j < 8; j++) {\

  435.                 for(i = 0; i < 11; i++)\

  436.                     tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode)+r)>>shift;\

  437.                 src += stride;\

  438.                 tptr += 11;\

  439.             }\

  440. \

  441.             r = 64-rnd;\

  442.             tptr = tmp+1;\

  443.             for(j = 0; j < 8; j++) {\

  444.                 for(i = 0; i < 8; i++)\

  445.                     OP(dst[i], (vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode)+r)>>7);\

  446.                 dst += stride;\

  447.                 tptr += 11;\

  448.             }\

  449. \

  450.             return;\

  451.         }\

  452.         else { /* No horizontal filter, output 8 lines to dst */\

  453.             r = 1-rnd;\

  454. \

  455.             for(j = 0; j < 8; j++) {\

  456.                 for(i = 0; i < 8; i++)\

  457.                     OP(dst[i], vc1_mspel_filter(src + i, stride, vmode, r));\

  458.                 src += stride;\

  459.                 dst += stride;\

  460.             }\

  461.             return;\

  462.         }\

  463.     }\

  464. \

  465.     /* Horizontal mode with no vertical mode */\

  466.     for(j = 0; j < 8; j++) {\

  467.         for(i = 0; i < 8; i++)\

  468.             OP(dst[i], vc1_mspel_filter(src + i, 1, hmode, rnd));\

  469.         dst += stride;\

  470.         src += stride;\

  471.     }\

  472. }

  473. 

  474. #define op_put(a, b) a = av_clip_uint8(b)

  475. #define op_avg(a, b) a = (a + av_clip_uint8(b) + 1) >> 1

  476. 

  477. VC1_MSPEL_MC(op_put, put_)

  478. VC1_MSPEL_MC(op_avg, avg_)

  479. 

  480. /* pixel functions - really are entry points to vc1_mspel_mc */

  481. 

  482. /* this one is defined in dsputil.c */

  483. void ff_put_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, int stride, int rnd);

  484. void ff_avg_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, int stride, int rnd);

  485. 

  486. #define PUT_VC1_MSPEL(a, b)\

  487. static void put_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \

  488.      put_vc1_mspel_mc(dst, src, stride, a, b, rnd);                         \

  489. }\

  490. static void avg_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \

  491.      avg_vc1_mspel_mc(dst, src, stride, a, b, rnd);                         \

  492. }

  493. 

  494. PUT_VC1_MSPEL(1, 0)

  495. PUT_VC1_MSPEL(2, 0)

  496. PUT_VC1_MSPEL(3, 0)

  497. 

  498. PUT_VC1_MSPEL(0, 1)

  499. PUT_VC1_MSPEL(1, 1)

  500. PUT_VC1_MSPEL(2, 1)

  501. PUT_VC1_MSPEL(3, 1)

  502. 

  503. PUT_VC1_MSPEL(0, 2)

  504. PUT_VC1_MSPEL(1, 2)

  505. PUT_VC1_MSPEL(2, 2)

  506. PUT_VC1_MSPEL(3, 2)

  507. 

  508. PUT_VC1_MSPEL(0, 3)

  509. PUT_VC1_MSPEL(1, 3)

  510. PUT_VC1_MSPEL(2, 3)

  511. PUT_VC1_MSPEL(3, 3)

  512. 

  513. void ff_vc1dsp_init(DSPContext* dsp, AVCodecContext *avctx) {

  514.     dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_c;

  515.     dsp->vc1_inv_trans_4x8 = vc1_inv_trans_4x8_c;

  516.     dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_c;

  517.     dsp->vc1_inv_trans_4x4 = vc1_inv_trans_4x4_c;

  518.     dsp->vc1_h_overlap = vc1_h_overlap_c;

  519.     dsp->vc1_v_overlap = vc1_v_overlap_c;

  520.     dsp->vc1_loop_filter = vc1_loop_filter;

  521. 

  522.     dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_vc1_mspel_mc00_c;

  523.     dsp->put_vc1_mspel_pixels_tab[ 1] = put_vc1_mspel_mc10_c;

  524.     dsp->put_vc1_mspel_pixels_tab[ 2] = put_vc1_mspel_mc20_c;

  525.     dsp->put_vc1_mspel_pixels_tab[ 3] = put_vc1_mspel_mc30_c;

  526.     dsp->put_vc1_mspel_pixels_tab[ 4] = put_vc1_mspel_mc01_c;

  527.     dsp->put_vc1_mspel_pixels_tab[ 5] = put_vc1_mspel_mc11_c;

  528.     dsp->put_vc1_mspel_pixels_tab[ 6] = put_vc1_mspel_mc21_c;

  529.     dsp->put_vc1_mspel_pixels_tab[ 7] = put_vc1_mspel_mc31_c;

  530.     dsp->put_vc1_mspel_pixels_tab[ 8] = put_vc1_mspel_mc02_c;

  531.     dsp->put_vc1_mspel_pixels_tab[ 9] = put_vc1_mspel_mc12_c;

  532.     dsp->put_vc1_mspel_pixels_tab[10] = put_vc1_mspel_mc22_c;

  533.     dsp->put_vc1_mspel_pixels_tab[11] = put_vc1_mspel_mc32_c;

  534.     dsp->put_vc1_mspel_pixels_tab[12] = put_vc1_mspel_mc03_c;

  535.     dsp->put_vc1_mspel_pixels_tab[13] = put_vc1_mspel_mc13_c;

  536.     dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_c;

  537.     dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_c;

  538. 

  539.     dsp->avg_vc1_mspel_pixels_tab[ 0] = ff_avg_vc1_mspel_mc00_c;

  540.     dsp->avg_vc1_mspel_pixels_tab[ 1] = avg_vc1_mspel_mc10_c;

  541.     dsp->avg_vc1_mspel_pixels_tab[ 2] = avg_vc1_mspel_mc20_c;

  542.     dsp->avg_vc1_mspel_pixels_tab[ 3] = avg_vc1_mspel_mc30_c;

  543.     dsp->avg_vc1_mspel_pixels_tab[ 4] = avg_vc1_mspel_mc01_c;

  544.     dsp->avg_vc1_mspel_pixels_tab[ 5] = avg_vc1_mspel_mc11_c;

  545.     dsp->avg_vc1_mspel_pixels_tab[ 6] = avg_vc1_mspel_mc21_c;

  546.     dsp->avg_vc1_mspel_pixels_tab[ 7] = avg_vc1_mspel_mc31_c;

  547.     dsp->avg_vc1_mspel_pixels_tab[ 8] = avg_vc1_mspel_mc02_c;

  548.     dsp->avg_vc1_mspel_pixels_tab[ 9] = avg_vc1_mspel_mc12_c;

  549.     dsp->avg_vc1_mspel_pixels_tab[10] = avg_vc1_mspel_mc22_c;

  550.     dsp->avg_vc1_mspel_pixels_tab[11] = avg_vc1_mspel_mc32_c;

  551.     dsp->avg_vc1_mspel_pixels_tab[12] = avg_vc1_mspel_mc03_c;

  552.     dsp->avg_vc1_mspel_pixels_tab[13] = avg_vc1_mspel_mc13_c;

  553.     dsp->avg_vc1_mspel_pixels_tab[14] = avg_vc1_mspel_mc23_c;

  554.     dsp->avg_vc1_mspel_pixels_tab[15] = avg_vc1_mspel_mc33_c;

  555. }