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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 inline 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. static void vc1_v_loop_filter4_c(uint8_t *src, int stride, int pq)

  150. {

  151.     vc1_loop_filter(src, 1, stride, 4, pq);

  152. }

  153. 

  154. static void vc1_h_loop_filter4_c(uint8_t *src, int stride, int pq)

  155. {

  156.     vc1_loop_filter(src, stride, 1, 4, pq);

  157. }

  158. 

  159. static void vc1_v_loop_filter8_c(uint8_t *src, int stride, int pq)

  160. {

  161.     vc1_loop_filter(src, 1, stride, 8, pq);

  162. }

  163. 

  164. static void vc1_h_loop_filter8_c(uint8_t *src, int stride, int pq)

  165. {

  166.     vc1_loop_filter(src, stride, 1, 8, pq);

  167. }

  168. 

  169. static void vc1_v_loop_filter16_c(uint8_t *src, int stride, int pq)

  170. {

  171.     vc1_loop_filter(src, 1, stride, 16, pq);

  172. }

  173. 

  174. static void vc1_h_loop_filter16_c(uint8_t *src, int stride, int pq)

  175. {

  176.     vc1_loop_filter(src, stride, 1, 16, pq);

  177. }

  178. 

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

  180. */

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

  182. {

  183.     int i;

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

  185.     DCTELEM *src, *dst;

  186. 

  187.     src = block;

  188.     dst = block;

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

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

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

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

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

  194. 

  195.         t5 = t1 + t3;

  196.         t6 = t2 + t4;

  197.         t7 = t2 - t4;

  198.         t8 = t1 - t3;

  199. 

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

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

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

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

  204. 

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

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

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

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

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

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

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

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

  213. 

  214.         src += 8;

  215.         dst += 8;

  216.     }

  217. 

  218.     src = block;

  219.     dst = block;

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

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

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

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

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

  225. 

  226.         t5 = t1 + t3;

  227.         t6 = t2 + t4;

  228.         t7 = t2 - t4;

  229.         t8 = t1 - t3;

  230. 

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

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

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

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

  235. 

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

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

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

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

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

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

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

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

  244. 

  245.         src++;

  246.         dst++;

  247.     }

  248. }

  249. 

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

  251. */

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

  253. {

  254.     int i;

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

  256.     DCTELEM *src, *dst;

  257.     const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;

  258. 

  259.     src = block;

  260.     dst = block;

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

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

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

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

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

  266. 

  267.         t5 = t1 + t3;

  268.         t6 = t2 + t4;

  269.         t7 = t2 - t4;

  270.         t8 = t1 - t3;

  271. 

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

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

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

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

  276. 

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

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

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

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

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

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

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

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

  285. 

  286.         src += 8;

  287.         dst += 8;

  288.     }

  289. 

  290.     src = block;

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

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

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

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

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

  296. 

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

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

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

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

  301. 

  302.         src ++;

  303.         dest++;

  304.     }

  305. }

  306. 

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

  308. */

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

  310. {

  311.     int i;

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

  313.     DCTELEM *src, *dst;

  314.     const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;

  315. 

  316.     src = block;

  317.     dst = block;

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

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

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

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

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

  323. 

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

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

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

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

  328. 

  329.         src += 8;

  330.         dst += 8;

  331.     }

  332. 

  333.     src = block;

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

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

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

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

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

  339. 

  340.         t5 = t1 + t3;

  341.         t6 = t2 + t4;

  342.         t7 = t2 - t4;

  343.         t8 = t1 - t3;

  344. 

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

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

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

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

  349. 

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

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

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

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

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

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

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

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

  358. 

  359.         src ++;

  360.         dest++;

  361.     }

  362. }

  363. 

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

  365. */

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

  367. {

  368.     int i;

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

  370.     DCTELEM *src, *dst;

  371.     const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;

  372. 

  373.     src = block;

  374.     dst = block;

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

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

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

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

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

  380. 

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

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

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

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

  385. 

  386.         src += 8;

  387.         dst += 8;

  388.     }

  389. 

  390.     src = block;

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

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

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

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

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

  396. 

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

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

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

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

  401. 

  402.         src ++;

  403.         dest++;

  404.     }

  405. }

  406. 

  407. /* motion compensation functions */

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

  409. #define VC1_MSPEL_FILTER_16B(DIR, TYPE)                                 \

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

  411. {                                                                       \

  412.     switch(mode){                                                       \

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

  414.         return 0;                                                       \

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

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

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

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

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

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

  421.     }                                                                   \

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

  423. }

  424. 

  425. VC1_MSPEL_FILTER_16B(ver, uint8_t);

  426. VC1_MSPEL_FILTER_16B(hor, int16_t);

  427. 

  428. 

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

  430.  */

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

  432. {

  433.     switch(mode){

  434.     case 0: //no shift

  435.         return src[0];

  436.     case 1: // 1/4 shift

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

  438.     case 2: // 1/2 shift

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

  440.     case 3: // 3/4 shift

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

  442.     }

  443.     return 0; //should not occur

  444. }

  445. 

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

  447.  */

  448. #define VC1_MSPEL_MC(OP, OPNAME)\

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

  450. {\

  451.     int     i, j;\

  452. \

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

  454.         int r;\

  455. \

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

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

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

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

  460. \

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

  462. \

  463.             src -= 1;\

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

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

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

  467.                 src += stride;\

  468.                 tptr += 11;\

  469.             }\

  470. \

  471.             r = 64-rnd;\

  472.             tptr = tmp+1;\

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

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

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

  476.                 dst += stride;\

  477.                 tptr += 11;\

  478.             }\

  479. \

  480.             return;\

  481.         }\

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

  483.             r = 1-rnd;\

  484. \

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

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

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

  488.                 src += stride;\

  489.                 dst += stride;\

  490.             }\

  491.             return;\

  492.         }\

  493.     }\

  494. \

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

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

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

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

  499.         dst += stride;\

  500.         src += stride;\

  501.     }\

  502. }

  503. 

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

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

  506. 

  507. VC1_MSPEL_MC(op_put, put_)

  508. VC1_MSPEL_MC(op_avg, avg_)

  509. 

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

  511. 

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

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

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

  515. 

  516. #define PUT_VC1_MSPEL(a, b)\

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

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

  519. }\

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

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

  522. }

  523. 

  524. PUT_VC1_MSPEL(1, 0)

  525. PUT_VC1_MSPEL(2, 0)

  526. PUT_VC1_MSPEL(3, 0)

  527. 

  528. PUT_VC1_MSPEL(0, 1)

  529. PUT_VC1_MSPEL(1, 1)

  530. PUT_VC1_MSPEL(2, 1)

  531. PUT_VC1_MSPEL(3, 1)

  532. 

  533. PUT_VC1_MSPEL(0, 2)

  534. PUT_VC1_MSPEL(1, 2)

  535. PUT_VC1_MSPEL(2, 2)

  536. PUT_VC1_MSPEL(3, 2)

  537. 

  538. PUT_VC1_MSPEL(0, 3)

  539. PUT_VC1_MSPEL(1, 3)

  540. PUT_VC1_MSPEL(2, 3)

  541. PUT_VC1_MSPEL(3, 3)

  542. 

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

  544.     dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_c;

  545.     dsp->vc1_inv_trans_4x8 = vc1_inv_trans_4x8_c;

  546.     dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_c;

  547.     dsp->vc1_inv_trans_4x4 = vc1_inv_trans_4x4_c;

  548.     dsp->vc1_h_overlap = vc1_h_overlap_c;

  549.     dsp->vc1_v_overlap = vc1_v_overlap_c;

  550.     dsp->vc1_v_loop_filter4 = vc1_v_loop_filter4_c;

  551.     dsp->vc1_h_loop_filter4 = vc1_h_loop_filter4_c;

  552.     dsp->vc1_v_loop_filter8 = vc1_v_loop_filter8_c;

  553.     dsp->vc1_h_loop_filter8 = vc1_h_loop_filter8_c;

  554.     dsp->vc1_v_loop_filter16 = vc1_v_loop_filter16_c;

  555.     dsp->vc1_h_loop_filter16 = vc1_h_loop_filter16_c;

  556. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  573. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  590. }