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FFmpeg/libavcodec/dsputil.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. /**

  24.  * @file

  25.  * DSP utils

  26.  */

  27. 

  28. #include "libavutil/attributes.h"

  29. #include "libavutil/internal.h"

  30. #include "avcodec.h"

  31. #include "copy_block.h"

  32. #include "dct.h"

  33. #include "dsputil.h"

  34. #include "simple_idct.h"

  35. #include "faandct.h"

  36. #include "mpegvideo.h"

  37. #include "config.h"

  38. 

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

  40. 

  41. #define BIT_DEPTH 16

  42. #include "dsputilenc_template.c"

  43. #undef BIT_DEPTH

  44. 

  45. #define BIT_DEPTH 8

  46. #include "dsputilenc_template.c"

  47. 

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

  49.                   int line_size, int h)

  50. {

  51.     int s = 0, i;

  52.     uint32_t *sq = ff_square_tab + 256;

  53. 

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

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

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

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

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

  59.         pix1 += line_size;

  60.         pix2 += line_size;

  61.     }

  62.     return s;

  63. }

  64. 

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

  66.                   int line_size, int h)

  67. {

  68.     int s = 0, i;

  69.     uint32_t *sq = ff_square_tab + 256;

  70. 

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

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

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

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

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

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

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

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

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

  80.         pix1 += line_size;

  81.         pix2 += line_size;

  82.     }

  83.     return s;

  84. }

  85. 

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

  87.                    int line_size, int h)

  88. {

  89.     int s = 0, i;

  90.     uint32_t *sq = ff_square_tab + 256;

  91. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  109. 

  110.         pix1 += line_size;

  111.         pix2 += line_size;

  112.     }

  113.     return s;

  114. }

  115. 

  116. static void diff_pixels_c(int16_t *av_restrict block, const uint8_t *s1,

  117.                           const uint8_t *s2, int stride)

  118. {

  119.     int i;

  120. 

  121.     /* read the pixels */

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

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

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

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

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

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

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

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

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

  131.         s1      += stride;

  132.         s2      += stride;

  133.         block   += 8;

  134.     }

  135. }

  136. 

  137. static int sum_abs_dctelem_c(int16_t *block)

  138. {

  139.     int sum = 0, i;

  140. 

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

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

  143.     return sum;

  144. }

  145. 

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

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

  148. 

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

  150.                               int line_size, int h)

  151. {

  152.     int s = 0, i;

  153. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  171.         pix1 += line_size;

  172.         pix2 += line_size;

  173.     }

  174.     return s;

  175. }

  176. 

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

  178.                           int line_size, int h)

  179. {

  180.     int s = 0, i;

  181. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  199.         pix1 += line_size;

  200.         pix2 += line_size;

  201.     }

  202.     return s;

  203. }

  204. 

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

  206.                           int line_size, int h)

  207. {

  208.     int s = 0, i;

  209.     uint8_t *pix3 = pix2 + line_size;

  210. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  228.         pix1 += line_size;

  229.         pix2 += line_size;

  230.         pix3 += line_size;

  231.     }

  232.     return s;

  233. }

  234. 

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

  236.                            int line_size, int h)

  237. {

  238.     int s = 0, i;

  239.     uint8_t *pix3 = pix2 + line_size;

  240. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  258.         pix1 += line_size;

  259.         pix2 += line_size;

  260.         pix3 += line_size;

  261.     }

  262.     return s;

  263. }

  264. 

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

  266.                              int line_size, int h)

  267. {

  268.     int s = 0, i;

  269. 

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

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

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

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

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

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

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

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

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

  279.         pix1 += line_size;

  280.         pix2 += line_size;

  281.     }

  282.     return s;

  283. }

  284. 

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

  286.                          int line_size, int h)

  287. {

  288.     int s = 0, i;

  289. 

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

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

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

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

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

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

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

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

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

  299.         pix1 += line_size;

  300.         pix2 += line_size;

  301.     }

  302.     return s;

  303. }

  304. 

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

  306.                          int line_size, int h)

  307. {

  308.     int s = 0, i;

  309.     uint8_t *pix3 = pix2 + line_size;

  310. 

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

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

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

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

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

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

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

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

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

  320.         pix1 += line_size;

  321.         pix2 += line_size;

  322.         pix3 += line_size;

  323.     }

  324.     return s;

  325. }

  326. 

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

  328.                           int line_size, int h)

  329. {

  330.     int s = 0, i;

  331.     uint8_t *pix3 = pix2 + line_size;

  332. 

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

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

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

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

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

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

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

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

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

  342.         pix1 += line_size;

  343.         pix2 += line_size;

  344.         pix3 += line_size;

  345.     }

  346.     return s;

  347. }

  348. 

  349. static int nsse16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, int stride, int h)

  350. {

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

  352. 

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

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

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

  356.         if (y + 1 < h) {

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

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

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

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

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

  362.         }

  363.         s1 += stride;

  364.         s2 += stride;

  365.     }

  366. 

  367.     if (c)

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

  369.     else

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

  371. }

  372. 

  373. static int nsse8_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, int stride, int h)

  374. {

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

  376. 

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

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

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

  380.         if (y + 1 < h) {

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

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

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

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

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

  386.         }

  387.         s1 += stride;

  388.         s2 += stride;

  389.     }

  390. 

  391.     if (c)

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

  393.     else

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

  395. }

  396. 

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

  398.                     int stride, int h)

  399. {

  400.     return 0;

  401. }

  402. 

  403. void ff_set_cmp(DSPContext *c, me_cmp_func *cmp, int type)

  404. {

  405.     int i;

  406. 

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

  408. 

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

  410.         switch (type & 0xFF) {

  411.         case FF_CMP_SAD:

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

  413.             break;

  414.         case FF_CMP_SATD:

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

  416.             break;

  417.         case FF_CMP_SSE:

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

  419.             break;

  420.         case FF_CMP_DCT:

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

  422.             break;

  423.         case FF_CMP_DCT264:

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

  425.             break;

  426.         case FF_CMP_DCTMAX:

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

  428.             break;

  429.         case FF_CMP_PSNR:

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

  431.             break;

  432.         case FF_CMP_BIT:

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

  434.             break;

  435.         case FF_CMP_RD:

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

  437.             break;

  438.         case FF_CMP_VSAD:

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

  440.             break;

  441.         case FF_CMP_VSSE:

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

  443.             break;

  444.         case FF_CMP_ZERO:

  445.             cmp[i] = zero_cmp;

  446.             break;

  447.         case FF_CMP_NSSE:

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

  449.             break;

  450. #if CONFIG_DWT

  451.         case FF_CMP_W53:

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

  453.             break;

  454.         case FF_CMP_W97:

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

  456.             break;

  457. #endif

  458.         default:

  459.             av_log(NULL, AV_LOG_ERROR,

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

  461.         }

  462.     }

  463. }

  464. 

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

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

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

  468. 

  469. #define BUTTERFLY1(x, y)                        \

  470.     {                                           \

  471.         int a, b;                               \

  472.         a = x;                                  \

  473.         b = y;                                  \

  474.         x = a + b;                              \

  475.         y = a - b;                              \

  476.     }

  477. 

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

  479. 

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

  481.                                uint8_t *src, int stride, int h)

  482. {

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

  484. 

  485.     av_assert2(h == 8);

  486. 

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

  488.         // FIXME: try pointer walks

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

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

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

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

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

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

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

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

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

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

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

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

  501. 

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

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

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

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

  506. 

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

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

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

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

  511.     }

  512. 

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

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

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

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

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

  518. 

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

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

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

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

  523. 

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

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

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

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

  528.     }

  529.     return sum;

  530. }

  531. 

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

  533.                                 uint8_t *dummy, int stride, int h)

  534. {

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

  536. 

  537.     av_assert2(h == 8);

  538. 

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

  540.         // FIXME: try pointer walks

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

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

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

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

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

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

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

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

  549. 

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

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

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

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

  554. 

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

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

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

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

  559.     }

  560. 

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

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

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

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

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

  566. 

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

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

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

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

  571. 

  572.         sum +=

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

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

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

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

  577.     }

  578. 

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

  580. 

  581.     return sum;

  582. }

  583. 

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

  585.                         uint8_t *src2, int stride, int h)

  586. {

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

  588. 

  589.     av_assert2(h == 8);

  590. 

  591.     s->dsp.diff_pixels(temp, src1, src2, stride);

  592.     s->dsp.fdct(temp);

  593.     return s->dsp.sum_abs_dctelem(temp);

  594. }

  595. 

  596. #if CONFIG_GPL

  597. #define DCT8_1D                                         \

  598.     {                                                   \

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

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

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

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

  603.         const int a0  = s07 + s34;                      \

  604.         const int a1  = s16 + s25;                      \

  605.         const int a2  = s07 - s34;                      \

  606.         const int a3  = s16 - s25;                      \

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  623.     }

  624. 

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

  626.                            uint8_t *src2, int stride, int h)

  627. {

  628.     int16_t dct[8][8];

  629.     int i, sum = 0;

  630. 

  631.     s->dsp.diff_pixels(dct[0], src1, src2, stride);

  632. 

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

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

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

  636.         DCT8_1D

  637. #undef SRC

  638. #undef DST

  639. 

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

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

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

  643.             DCT8_1D

  644. #undef SRC

  645. #undef DST

  646.             return sum;

  647. }

  648. #endif

  649. 

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

  651.                         uint8_t *src2, int stride, int h)

  652. {

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

  654.     int sum = 0, i;

  655. 

  656.     av_assert2(h == 8);

  657. 

  658.     s->dsp.diff_pixels(temp, src1, src2, stride);

  659.     s->dsp.fdct(temp);

  660. 

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

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

  663. 

  664.     return sum;

  665. }

  666. 

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

  668.                            uint8_t *src2, int stride, int h)

  669. {

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

  671.     int16_t *const bak = temp + 64;

  672.     int sum = 0, i;

  673. 

  674.     av_assert2(h == 8);

  675.     s->mb_intra = 0;

  676. 

  677.     s->dsp.diff_pixels(temp, src1, src2, stride);

  678. 

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

  680. 

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

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

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

  684.     ff_simple_idct_8(temp); // FIXME

  685. 

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

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

  688. 

  689.     return sum;

  690. }

  691. 

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

  693.                    int stride, int h)

  694. {

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

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

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

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

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

  700.     const int esc_length = s->ac_esc_length;

  701.     uint8_t *length, *last_length;

  702. 

  703.     av_assert2(h == 8);

  704. 

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

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

  707. 

  708.     s->dsp.diff_pixels(temp, lsrc1, lsrc2, 8);

  709. 

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

  711.     last                               =

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

  713. 

  714.     bits = 0;

  715. 

  716.     if (s->mb_intra) {

  717.         start_i     = 1;

  718.         length      = s->intra_ac_vlc_length;

  719.         last_length = s->intra_ac_vlc_last_length;

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

  721.     } else {

  722.         start_i     = 0;

  723.         length      = s->inter_ac_vlc_length;

  724.         last_length = s->inter_ac_vlc_last_length;

  725.     }

  726. 

  727.     if (last >= start_i) {

  728.         run = 0;

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

  730.             int j = scantable[i];

  731.             level = temp[j];

  732. 

  733.             if (level) {

  734.                 level += 64;

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

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

  737.                 else

  738.                     bits += esc_length;

  739.                 run = 0;

  740.             } else

  741.                 run++;

  742.         }

  743.         i = scantable[last];

  744. 

  745.         level = temp[i] + 64;

  746. 

  747.         av_assert2(level - 64);

  748. 

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

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

  751.         } else

  752.             bits += esc_length;

  753.     }

  754. 

  755.     if (last >= 0) {

  756.         if (s->mb_intra)

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

  758.         else

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

  760.     }

  761. 

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

  763. 

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

  765. 

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

  767. }

  768. 

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

  770.                     int stride, int h)

  771. {

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

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

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

  775.     const int esc_length = s->ac_esc_length;

  776.     uint8_t *length, *last_length;

  777. 

  778.     av_assert2(h == 8);

  779. 

  780.     s->dsp.diff_pixels(temp, src1, src2, stride);

  781. 

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

  783.     last                               =

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

  785. 

  786.     bits = 0;

  787. 

  788.     if (s->mb_intra) {

  789.         start_i     = 1;

  790.         length      = s->intra_ac_vlc_length;

  791.         last_length = s->intra_ac_vlc_last_length;

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

  793.     } else {

  794.         start_i     = 0;

  795.         length      = s->inter_ac_vlc_length;

  796.         last_length = s->inter_ac_vlc_last_length;

  797.     }

  798. 

  799.     if (last >= start_i) {

  800.         run = 0;

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

  802.             int j = scantable[i];

  803.             level = temp[j];

  804. 

  805.             if (level) {

  806.                 level += 64;

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

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

  809.                 else

  810.                     bits += esc_length;

  811.                 run = 0;

  812.             } else

  813.                 run++;

  814.         }

  815.         i = scantable[last];

  816. 

  817.         level = temp[i] + 64;

  818. 

  819.         av_assert2(level - 64);

  820. 

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

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

  823.         else

  824.             bits += esc_length;

  825.     }

  826. 

  827.     return bits;

  828. }

  829. 

  830. #define VSAD_INTRA(size)                                                \

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

  832.                                     uint8_t *s, uint8_t *dummy,         \

  833.                                     int stride, int h)                  \

  834. {                                                                       \

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

  836.                                                                         \

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

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

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

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

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

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

  843.         }                                                               \

  844.         s += stride;                                                    \

  845.     }                                                                   \

  846.                                                                         \

  847.     return score;                                                       \

  848. }

  849. VSAD_INTRA(8)

  850. VSAD_INTRA(16)

  851. 

  852. #define VSAD(size)                                                             \

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

  854.                               uint8_t *s1, uint8_t *s2,                        \

  855.                               int stride, int h)                               \

  856. {                                                                              \

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

  858.                                                                                \

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

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

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

  862.         s1 += stride;                                                          \

  863.         s2 += stride;                                                          \

  864.     }                                                                          \

  865.                                                                                \

  866.     return score;                                                              \

  867. }

  868. VSAD(8)

  869. VSAD(16)

  870. 

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

  872. #define VSSE_INTRA(size)                                                \

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

  874.                                     uint8_t *s, uint8_t *dummy,         \

  875.                                     int stride, int h)                  \

  876. {                                                                       \

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

  878.                                                                         \

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

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

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

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

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

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

  885.         }                                                               \

  886.         s += stride;                                                    \

  887.     }                                                                   \

  888.                                                                         \

  889.     return score;                                                       \

  890. }

  891. VSSE_INTRA(8)

  892. VSSE_INTRA(16)

  893. 

  894. #define VSSE(size)                                                             \

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

  896.                     int stride, int h)                                         \

  897. {                                                                              \

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

  899.                                                                                \

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

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

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

  903.         s1 += stride;                                                          \

  904.         s2 += stride;                                                          \

  905.     }                                                                          \

  906.                                                                                \

  907.     return score;                                                              \

  908. }

  909. VSSE(8)

  910. VSSE(16)

  911. 

  912. #define WRAPPER8_16_SQ(name8, name16)                                   \

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

  914.                   int stride, int h)                                    \

  915. {                                                                       \

  916.     int score = 0;                                                      \

  917.                                                                         \

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

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

  920.     if (h == 16) {                                                      \

  921.         dst   += 8 * stride;                                            \

  922.         src   += 8 * stride;                                            \

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

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

  925.     }                                                                   \

  926.     return score;                                                       \

  927. }

  928. 

  929. WRAPPER8_16_SQ(hadamard8_diff8x8_c, hadamard8_diff16_c)

  930. WRAPPER8_16_SQ(hadamard8_intra8x8_c, hadamard8_intra16_c)

  931. WRAPPER8_16_SQ(dct_sad8x8_c, dct_sad16_c)

  932. #if CONFIG_GPL

  933. WRAPPER8_16_SQ(dct264_sad8x8_c, dct264_sad16_c)

  934. #endif

  935. WRAPPER8_16_SQ(dct_max8x8_c, dct_max16_c)

  936. WRAPPER8_16_SQ(quant_psnr8x8_c, quant_psnr16_c)

  937. WRAPPER8_16_SQ(rd8x8_c, rd16_c)

  938. WRAPPER8_16_SQ(bit8x8_c, bit16_c)

  939. 

  940. /* draw the edges of width 'w' of an image of size width, height */

  941. // FIXME: Check that this is OK for MPEG-4 interlaced.

  942. static void draw_edges_8_c(uint8_t *buf, int wrap, int width, int height,

  943.                            int w, int h, int sides)

  944. {

  945.     uint8_t *ptr = buf, *last_line;

  946.     int i;

  947. 

  948.     /* left and right */

  949.     for (i = 0; i < height; i++) {

  950.         memset(ptr - w, ptr[0], w);

  951.         memset(ptr + width, ptr[width - 1], w);

  952.         ptr += wrap;

  953.     }

  954. 

  955.     /* top and bottom + corners */

  956.     buf -= w;

  957.     last_line = buf + (height - 1) * wrap;

  958.     if (sides & EDGE_TOP)

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

  960.             // top

  961.             memcpy(buf - (i + 1) * wrap, buf, width + w + w);

  962.     if (sides & EDGE_BOTTOM)

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

  964.             // bottom

  965.             memcpy(last_line + (i + 1) * wrap, last_line, width + w + w);

  966. }

  967. 

  968. /* init static data */

  969. av_cold void ff_dsputil_static_init(void)

  970. {

  971.     int i;

  972. 

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

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

  975. }

  976. 

  977. int ff_check_alignment(void)

  978. {

  979.     static int did_fail = 0;

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

  981. 

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

  983.         if (!did_fail) {

  984. #if HAVE_MMX || HAVE_ALTIVEC

  985.             av_log(NULL, AV_LOG_ERROR,

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

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

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

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

  990. #endif

  991.             did_fail=1;

  992.         }

  993.         return -1;

  994.     }

  995.     return 0;

  996. }

  997. 

  998. av_cold void ff_dsputil_init(DSPContext *c, AVCodecContext *avctx)

  999. {

  1000.     const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;

  1001. 

  1002.     ff_check_alignment();

  1003. 

  1004. #if CONFIG_ENCODERS

  1005.     if (avctx->bits_per_raw_sample == 10) {

  1006.         c->fdct    = ff_jpeg_fdct_islow_10;

  1007.         c->fdct248 = ff_fdct248_islow_10;

  1008.     } else {

  1009.         if (avctx->dct_algo == FF_DCT_FASTINT) {

  1010.             c->fdct    = ff_fdct_ifast;

  1011.             c->fdct248 = ff_fdct_ifast248;

  1012.         } else if (avctx->dct_algo == FF_DCT_FAAN) {

  1013.             c->fdct    = ff_faandct;

  1014.             c->fdct248 = ff_faandct248;

  1015.         } else {

  1016.             c->fdct    = ff_jpeg_fdct_islow_8; // slow/accurate/default

  1017.             c->fdct248 = ff_fdct248_islow_8;

  1018.         }

  1019.     }

  1020. #endif /* CONFIG_ENCODERS */

  1021. 

  1022.     c->diff_pixels = diff_pixels_c;

  1023. 

  1024.     c->sum_abs_dctelem = sum_abs_dctelem_c;

  1025. 

  1026.     /* TODO [0] 16  [1] 8 */

  1027.     c->pix_abs[0][0] = pix_abs16_c;

  1028.     c->pix_abs[0][1] = pix_abs16_x2_c;

  1029.     c->pix_abs[0][2] = pix_abs16_y2_c;

  1030.     c->pix_abs[0][3] = pix_abs16_xy2_c;

  1031.     c->pix_abs[1][0] = pix_abs8_c;

  1032.     c->pix_abs[1][1] = pix_abs8_x2_c;

  1033.     c->pix_abs[1][2] = pix_abs8_y2_c;

  1034.     c->pix_abs[1][3] = pix_abs8_xy2_c;

  1035. 

  1036. #define SET_CMP_FUNC(name)                      \

  1037.     c->name[0] = name ## 16_c;                  \

  1038.     c->name[1] = name ## 8x8_c;

  1039. 

  1040.     SET_CMP_FUNC(hadamard8_diff)

  1041.     c->hadamard8_diff[4] = hadamard8_intra16_c;

  1042.     c->hadamard8_diff[5] = hadamard8_intra8x8_c;

  1043.     SET_CMP_FUNC(dct_sad)

  1044.     SET_CMP_FUNC(dct_max)

  1045. #if CONFIG_GPL

  1046.     SET_CMP_FUNC(dct264_sad)

  1047. #endif

  1048.     c->sad[0] = pix_abs16_c;

  1049.     c->sad[1] = pix_abs8_c;

  1050.     c->sse[0] = sse16_c;

  1051.     c->sse[1] = sse8_c;

  1052.     c->sse[2] = sse4_c;

  1053.     SET_CMP_FUNC(quant_psnr)

  1054.     SET_CMP_FUNC(rd)

  1055.     SET_CMP_FUNC(bit)

  1056.     c->vsad[0] = vsad16_c;

  1057.     c->vsad[1] = vsad8_c;

  1058.     c->vsad[4] = vsad_intra16_c;

  1059.     c->vsad[5] = vsad_intra8_c;

  1060.     c->vsse[0] = vsse16_c;

  1061.     c->vsse[1] = vsse8_c;

  1062.     c->vsse[4] = vsse_intra16_c;

  1063.     c->vsse[5] = vsse_intra8_c;

  1064.     c->nsse[0] = nsse16_c;

  1065.     c->nsse[1] = nsse8_c;

  1066. #if CONFIG_SNOW_DECODER || CONFIG_SNOW_ENCODER

  1067.     ff_dsputil_init_dwt(c);

  1068. #endif

  1069. 

  1070.     c->draw_edges = draw_edges_8_c;

  1071. 

  1072.     switch (avctx->bits_per_raw_sample) {

  1073.     case 9:

  1074.     case 10:

  1075.     case 12:

  1076.     case 14:

  1077.         c->get_pixels = get_pixels_16_c;

  1078.         break;

  1079.     default:

  1080.         if (avctx->bits_per_raw_sample<=8 || avctx->codec_type != AVMEDIA_TYPE_VIDEO) {

  1081.             c->get_pixels = get_pixels_8_c;

  1082.         }

  1083.         break;

  1084.     }

  1085. 

  1086. 

  1087.     if (ARCH_ALPHA)

  1088.         ff_dsputil_init_alpha(c, avctx);

  1089.     if (ARCH_ARM)

  1090.         ff_dsputil_init_arm(c, avctx, high_bit_depth);

  1091.     if (ARCH_PPC)

  1092.         ff_dsputil_init_ppc(c, avctx, high_bit_depth);

  1093.     if (ARCH_X86)

  1094.         ff_dsputil_init_x86(c, avctx, high_bit_depth);

  1095. }

  1096. 

  1097. av_cold void dsputil_init(DSPContext* c, AVCodecContext *avctx)

  1098. {

  1099.     ff_dsputil_init(c, avctx);

  1100. }

  1101. 

  1102. av_cold void avpriv_dsputil_init(DSPContext *c, AVCodecContext *avctx)

  1103. {

  1104.     ff_dsputil_init(c, avctx);

  1105. }