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FFmpeg/libavcodec/me_cmp.c

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  1. /*

  2.  * DSP utils

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

  4.  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>

  5.  *

  6.  * This file is part of FFmpeg.

  7.  *

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

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

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

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

  12.  *

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

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

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

  16.  * Lesser General Public License for more details.

  17.  *

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

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

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

  21.  */

  22. 

  23. #include "libavutil/attributes.h"

  24. #include "libavutil/internal.h"

  25. #include "avcodec.h"

  26. #include "copy_block.h"

  27. #include "simple_idct.h"

  28. #include "me_cmp.h"

  29. #include "mpegvideo.h"

  30. #include "config.h"

  31. 

  32. uint32_t ff_square_tab[512] = { 0, };

  33. 

  34. static int sse4_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,

  35.                   ptrdiff_t stride, int h)

  36. {

  37.     int s = 0, i;

  38.     uint32_t *sq = ff_square_tab + 256;

  39. 

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

  41.         s    += sq[pix1[0] - pix2[0]];

  42.         s    += sq[pix1[1] - pix2[1]];

  43.         s    += sq[pix1[2] - pix2[2]];

  44.         s    += sq[pix1[3] - pix2[3]];

  45.         pix1 += stride;

  46.         pix2 += stride;

  47.     }

  48.     return s;

  49. }

  50. 

  51. static int sse8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,

  52.                   ptrdiff_t stride, int h)

  53. {

  54.     int s = 0, i;

  55.     uint32_t *sq = ff_square_tab + 256;

  56. 

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

  58.         s    += sq[pix1[0] - pix2[0]];

  59.         s    += sq[pix1[1] - pix2[1]];

  60.         s    += sq[pix1[2] - pix2[2]];

  61.         s    += sq[pix1[3] - pix2[3]];

  62.         s    += sq[pix1[4] - pix2[4]];

  63.         s    += sq[pix1[5] - pix2[5]];

  64.         s    += sq[pix1[6] - pix2[6]];

  65.         s    += sq[pix1[7] - pix2[7]];

  66.         pix1 += stride;

  67.         pix2 += stride;

  68.     }

  69.     return s;

  70. }

  71. 

  72. static int sse16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,

  73.                    ptrdiff_t stride, int h)

  74. {

  75.     int s = 0, i;

  76.     uint32_t *sq = ff_square_tab + 256;

  77. 

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

  79.         s += sq[pix1[0]  - pix2[0]];

  80.         s += sq[pix1[1]  - pix2[1]];

  81.         s += sq[pix1[2]  - pix2[2]];

  82.         s += sq[pix1[3]  - pix2[3]];

  83.         s += sq[pix1[4]  - pix2[4]];

  84.         s += sq[pix1[5]  - pix2[5]];

  85.         s += sq[pix1[6]  - pix2[6]];

  86.         s += sq[pix1[7]  - pix2[7]];

  87.         s += sq[pix1[8]  - pix2[8]];

  88.         s += sq[pix1[9]  - pix2[9]];

  89.         s += sq[pix1[10] - pix2[10]];

  90.         s += sq[pix1[11] - pix2[11]];

  91.         s += sq[pix1[12] - pix2[12]];

  92.         s += sq[pix1[13] - pix2[13]];

  93.         s += sq[pix1[14] - pix2[14]];

  94.         s += sq[pix1[15] - pix2[15]];

  95. 

  96.         pix1 += stride;

  97.         pix2 += stride;

  98.     }

  99.     return s;

  100. }

  101. 

  102. static int sum_abs_dctelem_c(int16_t *block)

  103. {

  104.     int sum = 0, i;

  105. 

  106.     for (i = 0; i < 64; i++)

  107.         sum += FFABS(block[i]);

  108.     return sum;

  109. }

  110. 

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

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

  113. 

  114. static inline int pix_abs16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,

  115.                               ptrdiff_t stride, int h)

  116. {

  117.     int s = 0, i;

  118. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  136.         pix1 += stride;

  137.         pix2 += stride;

  138.     }

  139.     return s;

  140. }

  141. 

  142. static inline int pix_median_abs16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,

  143.                              ptrdiff_t stride, int h)

  144. {

  145.     int s = 0, i, j;

  146. 

  147. #define V(x) (pix1[x] - pix2[x])

  148. 

  149.     s    += abs(V(0));

  150.     s    += abs(V(1) - V(0));

  151.     s    += abs(V(2) - V(1));

  152.     s    += abs(V(3) - V(2));

  153.     s    += abs(V(4) - V(3));

  154.     s    += abs(V(5) - V(4));

  155.     s    += abs(V(6) - V(5));

  156.     s    += abs(V(7) - V(6));

  157.     s    += abs(V(8) - V(7));

  158.     s    += abs(V(9) - V(8));

  159.     s    += abs(V(10) - V(9));

  160.     s    += abs(V(11) - V(10));

  161.     s    += abs(V(12) - V(11));

  162.     s    += abs(V(13) - V(12));

  163.     s    += abs(V(14) - V(13));

  164.     s    += abs(V(15) - V(14));

  165. 

  166.     pix1 += stride;

  167.     pix2 += stride;

  168. 

  169.     for (i = 1; i < h; i++) {

  170.         s    += abs(V(0) - V(-stride));

  171.         for (j = 1; j < 16; j++)

  172.             s    += abs(V(j) - mid_pred(V(j-stride), V(j-1), V(j-stride) + V(j-1) - V(j-stride-1)));

  173.         pix1 += stride;

  174.         pix2 += stride;

  175. 

  176.     }

  177. #undef V

  178.     return s;

  179. }

  180. 

  181. static int pix_abs16_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,

  182.                           ptrdiff_t stride, int h)

  183. {

  184.     int s = 0, i;

  185. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  203.         pix1 += stride;

  204.         pix2 += stride;

  205.     }

  206.     return s;

  207. }

  208. 

  209. static int pix_abs16_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,

  210.                           ptrdiff_t stride, int h)

  211. {

  212.     int s = 0, i;

  213.     uint8_t *pix3 = pix2 + stride;

  214. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  232.         pix1 += stride;

  233.         pix2 += stride;

  234.         pix3 += stride;

  235.     }

  236.     return s;

  237. }

  238. 

  239. static int pix_abs16_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,

  240.                            ptrdiff_t stride, int h)

  241. {

  242.     int s = 0, i;

  243.     uint8_t *pix3 = pix2 + stride;

  244. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  262.         pix1 += stride;

  263.         pix2 += stride;

  264.         pix3 += stride;

  265.     }

  266.     return s;

  267. }

  268. 

  269. static inline int pix_abs8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,

  270.                              ptrdiff_t stride, int h)

  271. {

  272.     int s = 0, i;

  273. 

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

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

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

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

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

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

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

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

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

  283.         pix1 += stride;

  284.         pix2 += stride;

  285.     }

  286.     return s;

  287. }

  288. 

  289. static inline int pix_median_abs8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,

  290.                              ptrdiff_t stride, int h)

  291. {

  292.     int s = 0, i, j;

  293. 

  294. #define V(x) (pix1[x] - pix2[x])

  295. 

  296.     s    += abs(V(0));

  297.     s    += abs(V(1) - V(0));

  298.     s    += abs(V(2) - V(1));

  299.     s    += abs(V(3) - V(2));

  300.     s    += abs(V(4) - V(3));

  301.     s    += abs(V(5) - V(4));

  302.     s    += abs(V(6) - V(5));

  303.     s    += abs(V(7) - V(6));

  304. 

  305.     pix1 += stride;

  306.     pix2 += stride;

  307. 

  308.     for (i = 1; i < h; i++) {

  309.         s    += abs(V(0) - V(-stride));

  310.         for (j = 1; j < 8; j++)

  311.             s    += abs(V(j) - mid_pred(V(j-stride), V(j-1), V(j-stride) + V(j-1) - V(j-stride-1)));

  312.         pix1 += stride;

  313.         pix2 += stride;

  314. 

  315.     }

  316. #undef V

  317.     return s;

  318. }

  319. 

  320. static int pix_abs8_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,

  321.                          ptrdiff_t stride, int h)

  322. {

  323.     int s = 0, i;

  324. 

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

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

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

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

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

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

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

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

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

  334.         pix1 += stride;

  335.         pix2 += stride;

  336.     }

  337.     return s;

  338. }

  339. 

  340. static int pix_abs8_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,

  341.                          ptrdiff_t stride, int h)

  342. {

  343.     int s = 0, i;

  344.     uint8_t *pix3 = pix2 + stride;

  345. 

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

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

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

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

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

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

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

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

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

  355.         pix1 += stride;

  356.         pix2 += stride;

  357.         pix3 += stride;

  358.     }

  359.     return s;

  360. }

  361. 

  362. static int pix_abs8_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,

  363.                           ptrdiff_t stride, int h)

  364. {

  365.     int s = 0, i;

  366.     uint8_t *pix3 = pix2 + stride;

  367. 

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

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

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

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

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

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

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

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

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

  377.         pix1 += stride;

  378.         pix2 += stride;

  379.         pix3 += stride;

  380.     }

  381.     return s;

  382. }

  383. 

  384. static int nsse16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,

  385.                     ptrdiff_t stride, int h)

  386. {

  387.     int score1 = 0, score2 = 0, x, y;

  388. 

  389.     for (y = 0; y < h; y++) {

  390.         for (x = 0; x < 16; x++)

  391.             score1 += (s1[x] - s2[x]) * (s1[x] - s2[x]);

  392.         if (y + 1 < h) {

  393.             for (x = 0; x < 15; x++)

  394.                 score2 += FFABS(s1[x]     - s1[x + stride] -

  395.                                 s1[x + 1] + s1[x + stride + 1]) -

  396.                           FFABS(s2[x]     - s2[x + stride] -

  397.                                 s2[x + 1] + s2[x + stride + 1]);

  398.         }

  399.         s1 += stride;

  400.         s2 += stride;

  401.     }

  402. 

  403.     if (c)

  404.         return score1 + FFABS(score2) * c->avctx->nsse_weight;

  405.     else

  406.         return score1 + FFABS(score2) * 8;

  407. }

  408. 

  409. static int nsse8_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,

  410.                    ptrdiff_t stride, int h)

  411. {

  412.     int score1 = 0, score2 = 0, x, y;

  413. 

  414.     for (y = 0; y < h; y++) {

  415.         for (x = 0; x < 8; x++)

  416.             score1 += (s1[x] - s2[x]) * (s1[x] - s2[x]);

  417.         if (y + 1 < h) {

  418.             for (x = 0; x < 7; x++)

  419.                 score2 += FFABS(s1[x]     - s1[x + stride] -

  420.                                 s1[x + 1] + s1[x + stride + 1]) -

  421.                           FFABS(s2[x]     - s2[x + stride] -

  422.                                 s2[x + 1] + s2[x + stride + 1]);

  423.         }

  424.         s1 += stride;

  425.         s2 += stride;

  426.     }

  427. 

  428.     if (c)

  429.         return score1 + FFABS(score2) * c->avctx->nsse_weight;

  430.     else

  431.         return score1 + FFABS(score2) * 8;

  432. }

  433. 

  434. static int zero_cmp(MpegEncContext *s, uint8_t *a, uint8_t *b,

  435.                     ptrdiff_t stride, int h)

  436. {

  437.     return 0;

  438. }

  439. 

  440. void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type)

  441. {

  442.     int i;

  443. 

  444.     memset(cmp, 0, sizeof(void *) * 6);

  445. 

  446.     for (i = 0; i < 6; i++) {

  447.         switch (type & 0xFF) {

  448.         case FF_CMP_SAD:

  449.             cmp[i] = c->sad[i];

  450.             break;

  451.         case FF_CMP_MEDIAN_SAD:

  452.             cmp[i] = c->median_sad[i];

  453.             break;

  454.         case FF_CMP_SATD:

  455.             cmp[i] = c->hadamard8_diff[i];

  456.             break;

  457.         case FF_CMP_SSE:

  458.             cmp[i] = c->sse[i];

  459.             break;

  460.         case FF_CMP_DCT:

  461.             cmp[i] = c->dct_sad[i];

  462.             break;

  463.         case FF_CMP_DCT264:

  464.             cmp[i] = c->dct264_sad[i];

  465.             break;

  466.         case FF_CMP_DCTMAX:

  467.             cmp[i] = c->dct_max[i];

  468.             break;

  469.         case FF_CMP_PSNR:

  470.             cmp[i] = c->quant_psnr[i];

  471.             break;

  472.         case FF_CMP_BIT:

  473.             cmp[i] = c->bit[i];

  474.             break;

  475.         case FF_CMP_RD:

  476.             cmp[i] = c->rd[i];

  477.             break;

  478.         case FF_CMP_VSAD:

  479.             cmp[i] = c->vsad[i];

  480.             break;

  481.         case FF_CMP_VSSE:

  482.             cmp[i] = c->vsse[i];

  483.             break;

  484.         case FF_CMP_ZERO:

  485.             cmp[i] = zero_cmp;

  486.             break;

  487.         case FF_CMP_NSSE:

  488.             cmp[i] = c->nsse[i];

  489.             break;

  490. #if CONFIG_DWT

  491.         case FF_CMP_W53:

  492.             cmp[i]= c->w53[i];

  493.             break;

  494.         case FF_CMP_W97:

  495.             cmp[i]= c->w97[i];

  496.             break;

  497. #endif

  498.         default:

  499.             av_log(NULL, AV_LOG_ERROR,

  500.                    "internal error in cmp function selection\n");

  501.         }

  502.     }

  503. }

  504. 

  505. #define BUTTERFLY2(o1, o2, i1, i2)              \

  506.     o1 = (i1) + (i2);                           \

  507.     o2 = (i1) - (i2);

  508. 

  509. #define BUTTERFLY1(x, y)                        \

  510.     {                                           \

  511.         int a, b;                               \

  512.         a = x;                                  \

  513.         b = y;                                  \

  514.         x = a + b;                              \

  515.         y = a - b;                              \

  516.     }

  517. 

  518. #define BUTTERFLYA(x, y) (FFABS((x) + (y)) + FFABS((x) - (y)))

  519. 

  520. static int hadamard8_diff8x8_c(MpegEncContext *s, uint8_t *dst,

  521.                                uint8_t *src, ptrdiff_t stride, int h)

  522. {

  523.     int i, temp[64], sum = 0;

  524. 

  525.     av_assert2(h == 8);

  526. 

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

  528.         // FIXME: try pointer walks

  529.         BUTTERFLY2(temp[8 * i + 0], temp[8 * i + 1],

  530.                    src[stride * i + 0] - dst[stride * i + 0],

  531.                    src[stride * i + 1] - dst[stride * i + 1]);

  532.         BUTTERFLY2(temp[8 * i + 2], temp[8 * i + 3],

  533.                    src[stride * i + 2] - dst[stride * i + 2],

  534.                    src[stride * i + 3] - dst[stride * i + 3]);

  535.         BUTTERFLY2(temp[8 * i + 4], temp[8 * i + 5],

  536.                    src[stride * i + 4] - dst[stride * i + 4],

  537.                    src[stride * i + 5] - dst[stride * i + 5]);

  538.         BUTTERFLY2(temp[8 * i + 6], temp[8 * i + 7],

  539.                    src[stride * i + 6] - dst[stride * i + 6],

  540.                    src[stride * i + 7] - dst[stride * i + 7]);

  541. 

  542.         BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 2]);

  543.         BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 3]);

  544.         BUTTERFLY1(temp[8 * i + 4], temp[8 * i + 6]);

  545.         BUTTERFLY1(temp[8 * i + 5], temp[8 * i + 7]);

  546. 

  547.         BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 4]);

  548.         BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 5]);

  549.         BUTTERFLY1(temp[8 * i + 2], temp[8 * i + 6]);

  550.         BUTTERFLY1(temp[8 * i + 3], temp[8 * i + 7]);

  551.     }

  552. 

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

  554.         BUTTERFLY1(temp[8 * 0 + i], temp[8 * 1 + i]);

  555.         BUTTERFLY1(temp[8 * 2 + i], temp[8 * 3 + i]);

  556.         BUTTERFLY1(temp[8 * 4 + i], temp[8 * 5 + i]);

  557.         BUTTERFLY1(temp[8 * 6 + i], temp[8 * 7 + i]);

  558. 

  559.         BUTTERFLY1(temp[8 * 0 + i], temp[8 * 2 + i]);

  560.         BUTTERFLY1(temp[8 * 1 + i], temp[8 * 3 + i]);

  561.         BUTTERFLY1(temp[8 * 4 + i], temp[8 * 6 + i]);

  562.         BUTTERFLY1(temp[8 * 5 + i], temp[8 * 7 + i]);

  563. 

  564.         sum += BUTTERFLYA(temp[8 * 0 + i], temp[8 * 4 + i]) +

  565.                BUTTERFLYA(temp[8 * 1 + i], temp[8 * 5 + i]) +

  566.                BUTTERFLYA(temp[8 * 2 + i], temp[8 * 6 + i]) +

  567.                BUTTERFLYA(temp[8 * 3 + i], temp[8 * 7 + i]);

  568.     }

  569.     return sum;

  570. }

  571. 

  572. static int hadamard8_intra8x8_c(MpegEncContext *s, uint8_t *src,

  573.                                 uint8_t *dummy, ptrdiff_t stride, int h)

  574. {

  575.     int i, temp[64], sum = 0;

  576. 

  577.     av_assert2(h == 8);

  578. 

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

  580.         // FIXME: try pointer walks

  581.         BUTTERFLY2(temp[8 * i + 0], temp[8 * i + 1],

  582.                    src[stride * i + 0], src[stride * i + 1]);

  583.         BUTTERFLY2(temp[8 * i + 2], temp[8 * i + 3],

  584.                    src[stride * i + 2], src[stride * i + 3]);

  585.         BUTTERFLY2(temp[8 * i + 4], temp[8 * i + 5],

  586.                    src[stride * i + 4], src[stride * i + 5]);

  587.         BUTTERFLY2(temp[8 * i + 6], temp[8 * i + 7],

  588.                    src[stride * i + 6], src[stride * i + 7]);

  589. 

  590.         BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 2]);

  591.         BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 3]);

  592.         BUTTERFLY1(temp[8 * i + 4], temp[8 * i + 6]);

  593.         BUTTERFLY1(temp[8 * i + 5], temp[8 * i + 7]);

  594. 

  595.         BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 4]);

  596.         BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 5]);

  597.         BUTTERFLY1(temp[8 * i + 2], temp[8 * i + 6]);

  598.         BUTTERFLY1(temp[8 * i + 3], temp[8 * i + 7]);

  599.     }

  600. 

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

  602.         BUTTERFLY1(temp[8 * 0 + i], temp[8 * 1 + i]);

  603.         BUTTERFLY1(temp[8 * 2 + i], temp[8 * 3 + i]);

  604.         BUTTERFLY1(temp[8 * 4 + i], temp[8 * 5 + i]);

  605.         BUTTERFLY1(temp[8 * 6 + i], temp[8 * 7 + i]);

  606. 

  607.         BUTTERFLY1(temp[8 * 0 + i], temp[8 * 2 + i]);

  608.         BUTTERFLY1(temp[8 * 1 + i], temp[8 * 3 + i]);

  609.         BUTTERFLY1(temp[8 * 4 + i], temp[8 * 6 + i]);

  610.         BUTTERFLY1(temp[8 * 5 + i], temp[8 * 7 + i]);

  611. 

  612.         sum +=

  613.             BUTTERFLYA(temp[8 * 0 + i], temp[8 * 4 + i])

  614.             + BUTTERFLYA(temp[8 * 1 + i], temp[8 * 5 + i])

  615.             + BUTTERFLYA(temp[8 * 2 + i], temp[8 * 6 + i])

  616.             + BUTTERFLYA(temp[8 * 3 + i], temp[8 * 7 + i]);

  617.     }

  618. 

  619.     sum -= FFABS(temp[8 * 0] + temp[8 * 4]); // -mean

  620. 

  621.     return sum;

  622. }

  623. 

  624. static int dct_sad8x8_c(MpegEncContext *s, uint8_t *src1,

  625.                         uint8_t *src2, ptrdiff_t stride, int h)

  626. {

  627.     LOCAL_ALIGNED_16(int16_t, temp, [64]);

  628. 

  629.     av_assert2(h == 8);

  630. 

  631.     s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride);

  632.     s->fdsp.fdct(temp);

  633.     return s->mecc.sum_abs_dctelem(temp);

  634. }

  635. 

  636. #if CONFIG_GPL

  637. #define DCT8_1D                                         \

  638.     {                                                   \

  639.         const int s07 = SRC(0) + SRC(7);                \

  640.         const int s16 = SRC(1) + SRC(6);                \

  641.         const int s25 = SRC(2) + SRC(5);                \

  642.         const int s34 = SRC(3) + SRC(4);                \

  643.         const int a0  = s07 + s34;                      \

  644.         const int a1  = s16 + s25;                      \

  645.         const int a2  = s07 - s34;                      \

  646.         const int a3  = s16 - s25;                      \

  647.         const int d07 = SRC(0) - SRC(7);                \

  648.         const int d16 = SRC(1) - SRC(6);                \

  649.         const int d25 = SRC(2) - SRC(5);                \

  650.         const int d34 = SRC(3) - SRC(4);                \

  651.         const int a4  = d16 + d25 + (d07 + (d07 >> 1)); \

  652.         const int a5  = d07 - d34 - (d25 + (d25 >> 1)); \

  653.         const int a6  = d07 + d34 - (d16 + (d16 >> 1)); \

  654.         const int a7  = d16 - d25 + (d34 + (d34 >> 1)); \

  655.         DST(0, a0 + a1);                                \

  656.         DST(1, a4 + (a7 >> 2));                         \

  657.         DST(2, a2 + (a3 >> 1));                         \

  658.         DST(3, a5 + (a6 >> 2));                         \

  659.         DST(4, a0 - a1);                                \

  660.         DST(5, a6 - (a5 >> 2));                         \

  661.         DST(6, (a2 >> 1) - a3);                         \

  662.         DST(7, (a4 >> 2) - a7);                         \

  663.     }

  664. 

  665. static int dct264_sad8x8_c(MpegEncContext *s, uint8_t *src1,

  666.                            uint8_t *src2, ptrdiff_t stride, int h)

  667. {

  668.     int16_t dct[8][8];

  669.     int i, sum = 0;

  670. 

  671.     s->pdsp.diff_pixels_unaligned(dct[0], src1, src2, stride);

  672. 

  673. #define SRC(x) dct[i][x]

  674. #define DST(x, v) dct[i][x] = v

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

  676.         DCT8_1D

  677. #undef SRC

  678. #undef DST

  679. 

  680. #define SRC(x) dct[x][i]

  681. #define DST(x, v) sum += FFABS(v)

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

  683.             DCT8_1D

  684. #undef SRC

  685. #undef DST

  686.             return sum;

  687. }

  688. #endif

  689. 

  690. static int dct_max8x8_c(MpegEncContext *s, uint8_t *src1,

  691.                         uint8_t *src2, ptrdiff_t stride, int h)

  692. {

  693.     LOCAL_ALIGNED_16(int16_t, temp, [64]);

  694.     int sum = 0, i;

  695. 

  696.     av_assert2(h == 8);

  697. 

  698.     s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride);

  699.     s->fdsp.fdct(temp);

  700. 

  701.     for (i = 0; i < 64; i++)

  702.         sum = FFMAX(sum, FFABS(temp[i]));

  703. 

  704.     return sum;

  705. }

  706. 

  707. static int quant_psnr8x8_c(MpegEncContext *s, uint8_t *src1,

  708.                            uint8_t *src2, ptrdiff_t stride, int h)

  709. {

  710.     LOCAL_ALIGNED_16(int16_t, temp, [64 * 2]);

  711.     int16_t *const bak = temp + 64;

  712.     int sum = 0, i;

  713. 

  714.     av_assert2(h == 8);

  715.     s->mb_intra = 0;

  716. 

  717.     s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride);

  718. 

  719.     memcpy(bak, temp, 64 * sizeof(int16_t));

  720. 

  721.     s->block_last_index[0 /* FIXME */] =

  722.         s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i);

  723.     s->dct_unquantize_inter(s, temp, 0, s->qscale);

  724.     ff_simple_idct_8(temp); // FIXME

  725. 

  726.     for (i = 0; i < 64; i++)

  727.         sum += (temp[i] - bak[i]) * (temp[i] - bak[i]);

  728. 

  729.     return sum;

  730. }

  731. 

  732. static int rd8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,

  733.                    ptrdiff_t stride, int h)

  734. {

  735.     const uint8_t *scantable = s->intra_scantable.permutated;

  736.     LOCAL_ALIGNED_16(int16_t, temp, [64]);

  737.     LOCAL_ALIGNED_16(uint8_t, lsrc1, [64]);

  738.     LOCAL_ALIGNED_16(uint8_t, lsrc2, [64]);

  739.     int i, last, run, bits, level, distortion, start_i;

  740.     const int esc_length = s->ac_esc_length;

  741.     uint8_t *length, *last_length;

  742. 

  743.     av_assert2(h == 8);

  744. 

  745.     copy_block8(lsrc1, src1, 8, stride, 8);

  746.     copy_block8(lsrc2, src2, 8, stride, 8);

  747. 

  748.     s->pdsp.diff_pixels(temp, lsrc1, lsrc2, 8);

  749. 

  750.     s->block_last_index[0 /* FIXME */] =

  751.     last                               =

  752.         s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i);

  753. 

  754.     bits = 0;

  755. 

  756.     if (s->mb_intra) {

  757.         start_i     = 1;

  758.         length      = s->intra_ac_vlc_length;

  759.         last_length = s->intra_ac_vlc_last_length;

  760.         bits       += s->luma_dc_vlc_length[temp[0] + 256]; // FIXME: chroma

  761.     } else {

  762.         start_i     = 0;

  763.         length      = s->inter_ac_vlc_length;

  764.         last_length = s->inter_ac_vlc_last_length;

  765.     }

  766. 

  767.     if (last >= start_i) {

  768.         run = 0;

  769.         for (i = start_i; i < last; i++) {

  770.             int j = scantable[i];

  771.             level = temp[j];

  772. 

  773.             if (level) {

  774.                 level += 64;

  775.                 if ((level & (~127)) == 0)

  776.                     bits += length[UNI_AC_ENC_INDEX(run, level)];

  777.                 else

  778.                     bits += esc_length;

  779.                 run = 0;

  780.             } else

  781.                 run++;

  782.         }

  783.         i = scantable[last];

  784. 

  785.         level = temp[i] + 64;

  786. 

  787.         av_assert2(level - 64);

  788. 

  789.         if ((level & (~127)) == 0) {

  790.             bits += last_length[UNI_AC_ENC_INDEX(run, level)];

  791.         } else

  792.             bits += esc_length;

  793.     }

  794. 

  795.     if (last >= 0) {

  796.         if (s->mb_intra)

  797.             s->dct_unquantize_intra(s, temp, 0, s->qscale);

  798.         else

  799.             s->dct_unquantize_inter(s, temp, 0, s->qscale);

  800.     }

  801. 

  802.     s->idsp.idct_add(lsrc2, 8, temp);

  803. 

  804.     distortion = s->mecc.sse[1](NULL, lsrc2, lsrc1, 8, 8);

  805. 

  806.     return distortion + ((bits * s->qscale * s->qscale * 109 + 64) >> 7);

  807. }

  808. 

  809. static int bit8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,

  810.                     ptrdiff_t stride, int h)

  811. {

  812.     const uint8_t *scantable = s->intra_scantable.permutated;

  813.     LOCAL_ALIGNED_16(int16_t, temp, [64]);

  814.     int i, last, run, bits, level, start_i;

  815.     const int esc_length = s->ac_esc_length;

  816.     uint8_t *length, *last_length;

  817. 

  818.     av_assert2(h == 8);

  819. 

  820.     s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride);

  821. 

  822.     s->block_last_index[0 /* FIXME */] =

  823.     last                               =

  824.         s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i);

  825. 

  826.     bits = 0;

  827. 

  828.     if (s->mb_intra) {

  829.         start_i     = 1;

  830.         length      = s->intra_ac_vlc_length;

  831.         last_length = s->intra_ac_vlc_last_length;

  832.         bits       += s->luma_dc_vlc_length[temp[0] + 256]; // FIXME: chroma

  833.     } else {

  834.         start_i     = 0;

  835.         length      = s->inter_ac_vlc_length;

  836.         last_length = s->inter_ac_vlc_last_length;

  837.     }

  838. 

  839.     if (last >= start_i) {

  840.         run = 0;

  841.         for (i = start_i; i < last; i++) {

  842.             int j = scantable[i];

  843.             level = temp[j];

  844. 

  845.             if (level) {

  846.                 level += 64;

  847.                 if ((level & (~127)) == 0)

  848.                     bits += length[UNI_AC_ENC_INDEX(run, level)];

  849.                 else

  850.                     bits += esc_length;

  851.                 run = 0;

  852.             } else

  853.                 run++;

  854.         }

  855.         i = scantable[last];

  856. 

  857.         level = temp[i] + 64;

  858. 

  859.         av_assert2(level - 64);

  860. 

  861.         if ((level & (~127)) == 0)

  862.             bits += last_length[UNI_AC_ENC_INDEX(run, level)];

  863.         else

  864.             bits += esc_length;

  865.     }

  866. 

  867.     return bits;

  868. }

  869. 

  870. #define VSAD_INTRA(size)                                                \

  871. static int vsad_intra ## size ## _c(MpegEncContext *c,                  \

  872.                                     uint8_t *s, uint8_t *dummy,         \

  873.                                     ptrdiff_t stride, int h)            \

  874. {                                                                       \

  875.     int score = 0, x, y;                                                \

  876.                                                                         \

  877.     for (y = 1; y < h; y++) {                                           \

  878.         for (x = 0; x < size; x += 4) {                                 \

  879.             score += FFABS(s[x]     - s[x + stride])     +              \

  880.                      FFABS(s[x + 1] - s[x + stride + 1]) +              \

  881.                      FFABS(s[x + 2] - s[x + 2 + stride]) +              \

  882.                      FFABS(s[x + 3] - s[x + 3 + stride]);               \

  883.         }                                                               \

  884.         s += stride;                                                    \

  885.     }                                                                   \

  886.                                                                         \

  887.     return score;                                                       \

  888. }

  889. VSAD_INTRA(8)

  890. VSAD_INTRA(16)

  891. 

  892. #define VSAD(size)                                                             \

  893. static int vsad ## size ## _c(MpegEncContext *c,                               \

  894.                               uint8_t *s1, uint8_t *s2,                        \

  895.                               ptrdiff_t stride, int h)                               \

  896. {                                                                              \

  897.     int score = 0, x, y;                                                       \

  898.                                                                                \

  899.     for (y = 1; y < h; y++) {                                                  \

  900.         for (x = 0; x < size; x++)                                             \

  901.             score += FFABS(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]);   \

  902.         s1 += stride;                                                          \

  903.         s2 += stride;                                                          \

  904.     }                                                                          \

  905.                                                                                \

  906.     return score;                                                              \

  907. }

  908. VSAD(8)

  909. VSAD(16)

  910. 

  911. #define SQ(a) ((a) * (a))

  912. #define VSSE_INTRA(size)                                                \

  913. static int vsse_intra ## size ## _c(MpegEncContext *c,                  \

  914.                                     uint8_t *s, uint8_t *dummy,         \

  915.                                     ptrdiff_t stride, int h)            \

  916. {                                                                       \

  917.     int score = 0, x, y;                                                \

  918.                                                                         \

  919.     for (y = 1; y < h; y++) {                                           \

  920.         for (x = 0; x < size; x += 4) {                                 \

  921.             score += SQ(s[x]     - s[x + stride]) +                     \

  922.                      SQ(s[x + 1] - s[x + stride + 1]) +                 \

  923.                      SQ(s[x + 2] - s[x + stride + 2]) +                 \

  924.                      SQ(s[x + 3] - s[x + stride + 3]);                  \

  925.         }                                                               \

  926.         s += stride;                                                    \

  927.     }                                                                   \

  928.                                                                         \

  929.     return score;                                                       \

  930. }

  931. VSSE_INTRA(8)

  932. VSSE_INTRA(16)

  933. 

  934. #define VSSE(size)                                                             \

  935. static int vsse ## size ## _c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,     \

  936.                               ptrdiff_t stride, int h)                         \

  937. {                                                                              \

  938.     int score = 0, x, y;                                                       \

  939.                                                                                \

  940.     for (y = 1; y < h; y++) {                                                  \

  941.         for (x = 0; x < size; x++)                                             \

  942.             score += SQ(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]);      \

  943.         s1 += stride;                                                          \

  944.         s2 += stride;                                                          \

  945.     }                                                                          \

  946.                                                                                \

  947.     return score;                                                              \

  948. }

  949. VSSE(8)

  950. VSSE(16)

  951. 

  952. #define WRAPPER8_16_SQ(name8, name16)                                   \

  953. static int name16(MpegEncContext *s, uint8_t *dst, uint8_t *src,        \

  954.                   ptrdiff_t stride, int h)                              \

  955. {                                                                       \

  956.     int score = 0;                                                      \

  957.                                                                         \

  958.     score += name8(s, dst, src, stride, 8);                             \

  959.     score += name8(s, dst + 8, src + 8, stride, 8);                     \

  960.     if (h == 16) {                                                      \

  961.         dst   += 8 * stride;                                            \

  962.         src   += 8 * stride;                                            \

  963.         score += name8(s, dst, src, stride, 8);                         \

  964.         score += name8(s, dst + 8, src + 8, stride, 8);                 \

  965.     }                                                                   \

  966.     return score;                                                       \

  967. }

  968. 

  969. WRAPPER8_16_SQ(hadamard8_diff8x8_c, hadamard8_diff16_c)

  970. WRAPPER8_16_SQ(hadamard8_intra8x8_c, hadamard8_intra16_c)

  971. WRAPPER8_16_SQ(dct_sad8x8_c, dct_sad16_c)

  972. #if CONFIG_GPL

  973. WRAPPER8_16_SQ(dct264_sad8x8_c, dct264_sad16_c)

  974. #endif

  975. WRAPPER8_16_SQ(dct_max8x8_c, dct_max16_c)

  976. WRAPPER8_16_SQ(quant_psnr8x8_c, quant_psnr16_c)

  977. WRAPPER8_16_SQ(rd8x8_c, rd16_c)

  978. WRAPPER8_16_SQ(bit8x8_c, bit16_c)

  979. 

  980. av_cold void ff_me_cmp_init_static(void)

  981. {

  982.     int i;

  983. 

  984.     for (i = 0; i < 512; i++)

  985.         ff_square_tab[i] = (i - 256) * (i - 256);

  986. }

  987. 

  988. int ff_check_alignment(void)

  989. {

  990.     static int did_fail = 0;

  991.     LOCAL_ALIGNED_16(int, aligned, [4]);

  992. 

  993.     if ((intptr_t)aligned & 15) {

  994.         if (!did_fail) {

  995. #if HAVE_MMX || HAVE_ALTIVEC

  996.             av_log(NULL, AV_LOG_ERROR,

  997.                 "Compiler did not align stack variables. Libavcodec has been miscompiled\n"

  998.                 "and may be very slow or crash. This is not a bug in libavcodec,\n"

  999.                 "but in the compiler. You may try recompiling using gcc >= 4.2.\n"

  1000.                 "Do not report crashes to FFmpeg developers.\n");

  1001. #endif

  1002.             did_fail=1;

  1003.         }

  1004.         return -1;

  1005.     }

  1006.     return 0;

  1007. }

  1008. 

  1009. av_cold void ff_me_cmp_init(MECmpContext *c, AVCodecContext *avctx)

  1010. {

  1011.     ff_check_alignment();

  1012. 

  1013.     c->sum_abs_dctelem = sum_abs_dctelem_c;

  1014. 

  1015.     /* TODO [0] 16  [1] 8 */

  1016.     c->pix_abs[0][0] = pix_abs16_c;

  1017.     c->pix_abs[0][1] = pix_abs16_x2_c;

  1018.     c->pix_abs[0][2] = pix_abs16_y2_c;

  1019.     c->pix_abs[0][3] = pix_abs16_xy2_c;

  1020.     c->pix_abs[1][0] = pix_abs8_c;

  1021.     c->pix_abs[1][1] = pix_abs8_x2_c;

  1022.     c->pix_abs[1][2] = pix_abs8_y2_c;

  1023.     c->pix_abs[1][3] = pix_abs8_xy2_c;

  1024. 

  1025. #define SET_CMP_FUNC(name)                      \

  1026.     c->name[0] = name ## 16_c;                  \

  1027.     c->name[1] = name ## 8x8_c;

  1028. 

  1029.     SET_CMP_FUNC(hadamard8_diff)

  1030.     c->hadamard8_diff[4] = hadamard8_intra16_c;

  1031.     c->hadamard8_diff[5] = hadamard8_intra8x8_c;

  1032.     SET_CMP_FUNC(dct_sad)

  1033.     SET_CMP_FUNC(dct_max)

  1034. #if CONFIG_GPL

  1035.     SET_CMP_FUNC(dct264_sad)

  1036. #endif

  1037.     c->sad[0] = pix_abs16_c;

  1038.     c->sad[1] = pix_abs8_c;

  1039.     c->sse[0] = sse16_c;

  1040.     c->sse[1] = sse8_c;

  1041.     c->sse[2] = sse4_c;

  1042.     SET_CMP_FUNC(quant_psnr)

  1043.     SET_CMP_FUNC(rd)

  1044.     SET_CMP_FUNC(bit)

  1045.     c->vsad[0] = vsad16_c;

  1046.     c->vsad[1] = vsad8_c;

  1047.     c->vsad[4] = vsad_intra16_c;

  1048.     c->vsad[5] = vsad_intra8_c;

  1049.     c->vsse[0] = vsse16_c;

  1050.     c->vsse[1] = vsse8_c;

  1051.     c->vsse[4] = vsse_intra16_c;

  1052.     c->vsse[5] = vsse_intra8_c;

  1053.     c->nsse[0] = nsse16_c;

  1054.     c->nsse[1] = nsse8_c;

  1055. #if CONFIG_SNOW_DECODER || CONFIG_SNOW_ENCODER

  1056.     ff_dsputil_init_dwt(c);

  1057. #endif

  1058. 

  1059.     if (ARCH_ALPHA)

  1060.         ff_me_cmp_init_alpha(c, avctx);

  1061.     if (ARCH_ARM)

  1062.         ff_me_cmp_init_arm(c, avctx);

  1063.     if (ARCH_PPC)

  1064.         ff_me_cmp_init_ppc(c, avctx);

  1065.     if (ARCH_X86)

  1066.         ff_me_cmp_init_x86(c, avctx);

  1067.     if (ARCH_MIPS)

  1068.         ff_me_cmp_init_mips(c, avctx);

  1069. 

  1070.     c->median_sad[0] = pix_median_abs16_c;

  1071.     c->median_sad[1] = pix_median_abs8_c;

  1072. }