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FFmpeg/libavcodec/bfin/dsputil_bfin.c

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  1. /*

  2.  * BlackFin DSPUTILS

  3.  *

  4.  * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>

  5.  * Copyright (c) 2006 Michael Benjamin <michael.benjamin@analog.com>

  6.  *

  7.  * This file is part of FFmpeg.

  8.  *

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

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

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

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

  13.  *

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

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

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

  17.  * Lesser General Public License for more details.

  18.  *

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

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

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

  22.  */

  23. 

  24. #include <unistd.h>

  25. #include "avcodec.h"

  26. #include "dsputil.h"

  27. #include "dsputil_bfin.h"

  28. 

  29. int off;

  30. 

  31. 

  32. extern void ff_bfin_idct (DCTELEM *block) attribute_l1_text;

  33. extern void ff_bfin_fdct (DCTELEM *block) attribute_l1_text;

  34. extern void ff_bfin_add_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;

  35. extern void ff_bfin_put_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;

  36. extern void ff_bfin_diff_pixels (DCTELEM *block, uint8_t *s1, uint8_t *s2, int stride)  attribute_l1_text;

  37. extern void ff_bfin_get_pixels  (DCTELEM *restrict block, const uint8_t *pixels, int line_size) attribute_l1_text;

  38. extern int  ff_bfin_pix_norm1  (uint8_t * pix, int line_size) attribute_l1_text;

  39. extern int  ff_bfin_z_sad8x8   (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) attribute_l1_text;

  40. extern int  ff_bfin_z_sad16x16 (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) attribute_l1_text;

  41. 

  42. extern void ff_bfin_z_put_pixels16_xy2     (uint8_t *block, const uint8_t *s0, int dest_size, int line_size, int h) attribute_l1_text;

  43. extern void ff_bfin_z_put_pixels8_xy2      (uint8_t *block, const uint8_t *s0, int dest_size, int line_size, int h) attribute_l1_text;

  44. extern void ff_bfin_put_pixels16_xy2_nornd (uint8_t *block, const uint8_t *s0, int line_size, int h) attribute_l1_text;

  45. extern void ff_bfin_put_pixels8_xy2_nornd  (uint8_t *block, const uint8_t *s0, int line_size, int h) attribute_l1_text;

  46. 

  47. 

  48. extern int  ff_bfin_pix_sum (uint8_t *p, int stride) attribute_l1_text;

  49. 

  50. extern void ff_bfin_put_pixels8uc        (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int dest_size, int line_size, int h) attribute_l1_text;

  51. extern void ff_bfin_put_pixels16uc       (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int dest_size, int line_size, int h) attribute_l1_text;

  52. extern void ff_bfin_put_pixels8uc_nornd  (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int line_size, int h) attribute_l1_text;

  53. extern void ff_bfin_put_pixels16uc_nornd (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int line_size, int h) attribute_l1_text;

  54. 

  55. extern int ff_bfin_sse4  (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text;

  56. extern int ff_bfin_sse8  (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text;

  57. extern int ff_bfin_sse16 (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text;

  58. 

  59. 

  60. static void bfin_idct_add (uint8_t *dest, int line_size, DCTELEM *block)

  61. {

  62.     ff_bfin_idct (block);

  63.     ff_bfin_add_pixels_clamped (block, dest, line_size);

  64. }

  65. 

  66. static void bfin_idct_put (uint8_t *dest, int line_size, DCTELEM *block)

  67. {

  68.     ff_bfin_idct (block);

  69.     ff_bfin_put_pixels_clamped (block, dest, line_size);

  70. }

  71. 

  72. 

  73. static void bfin_clear_blocks (DCTELEM *blocks)

  74. {

  75.     // This is just a simple memset.

  76.     //

  77.     asm("P0=192; "

  78.         "I0=%0;  "

  79.         "R0=0;   "

  80.         "LSETUP(clear_blocks_blkfn_lab,clear_blocks_blkfn_lab)LC0=P0;"

  81.         "clear_blocks_blkfn_lab:"

  82.         "[I0++]=R0;"

  83.         ::"a" (blocks):"P0","I0","R0");

  84. }

  85. 

  86. 

  87. 

  88. static void bfin_put_pixels8 (uint8_t *block, const uint8_t *pixels, int line_size, int h)

  89. {

  90.     ff_bfin_put_pixels8uc (block, pixels, pixels, line_size, line_size, h);

  91. }

  92. 

  93. static void bfin_put_pixels8_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h)

  94. {

  95.     ff_bfin_put_pixels8uc (block, pixels, pixels+1, line_size, line_size, h);

  96. }

  97. 

  98. static void bfin_put_pixels8_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h)

  99. {

  100.     ff_bfin_put_pixels8uc (block, pixels, pixels+line_size, line_size, line_size, h);

  101. }

  102. 

  103. static void bfin_put_pixels8_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h)

  104. {

  105.     ff_bfin_z_put_pixels8_xy2 (block,s0,line_size, line_size, h);

  106. }

  107. 

  108. static void bfin_put_pixels16 (uint8_t *block, const uint8_t *pixels, int line_size, int h)

  109. {

  110.     ff_bfin_put_pixels16uc (block, pixels, pixels, line_size, line_size, h);

  111. }

  112. 

  113. static void bfin_put_pixels16_x2 (uint8_t *block, const uint8_t *pixels, int line_size, int h)

  114. {

  115.     ff_bfin_put_pixels16uc (block, pixels, pixels+1, line_size, line_size, h);

  116. }

  117. 

  118. static void bfin_put_pixels16_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h)

  119. {

  120.     ff_bfin_put_pixels16uc (block, pixels, pixels+line_size, line_size, line_size, h);

  121. }

  122. 

  123. static void bfin_put_pixels16_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h)

  124. {

  125.     ff_bfin_z_put_pixels16_xy2 (block,s0,line_size, line_size, h);

  126. }

  127. 

  128. void bfin_put_pixels8_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)

  129. {

  130.     ff_bfin_put_pixels8uc_nornd (block, pixels, pixels, line_size, h);

  131. }

  132. 

  133. static void bfin_put_pixels8_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)

  134. {

  135.     ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+1, line_size, h);

  136. }

  137. 

  138. static void bfin_put_pixels8_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)

  139. {

  140.     ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+line_size, line_size, h);

  141. }

  142. 

  143. 

  144. void bfin_put_pixels16_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)

  145. {

  146.     ff_bfin_put_pixels16uc_nornd (block, pixels, pixels, line_size, h);

  147. }

  148. 

  149. static void bfin_put_pixels16_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)

  150. {

  151.     ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+1, line_size, h);

  152. }

  153. 

  154. static void bfin_put_pixels16_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)

  155. {

  156.     ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+line_size, line_size, h);

  157. }

  158. 

  159. static int bfin_pix_abs16 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)

  160. {

  161.     return ff_bfin_z_sad16x16 (blk1,blk2,line_size,line_size,h);

  162. }

  163. 

  164. static uint8_t vtmp_blk[256] __attribute__((l1_data_B));

  165. 

  166. static int bfin_pix_abs16_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)

  167. {

  168.     ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+1, 16, line_size, h);

  169.     return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h);

  170. }

  171. 

  172. static int bfin_pix_abs16_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)

  173. {

  174.     ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+line_size, 16, line_size, h);

  175.     return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h);

  176. }

  177. 

  178. static int bfin_pix_abs16_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)

  179. {

  180.     ff_bfin_z_put_pixels16_xy2 (vtmp_blk, blk2, 16, line_size, h);

  181.     return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h);

  182. }

  183. 

  184. static int bfin_pix_abs8 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)

  185. {

  186.     return ff_bfin_z_sad8x8 (blk1,blk2,line_size,line_size, h);

  187. }

  188. 

  189. static int bfin_pix_abs8_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)

  190. {

  191.     ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+1, 8, line_size, h);

  192.     return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h);

  193. }

  194. 

  195. static int bfin_pix_abs8_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)

  196. {

  197.     ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+line_size, 8, line_size, h);

  198.     return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h);

  199. }

  200. 

  201. static int bfin_pix_abs8_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)

  202. {

  203.     ff_bfin_z_put_pixels8_xy2 (vtmp_blk, blk2, 8, line_size, h);

  204.     return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h);

  205. }

  206. 

  207. 

  208. /*

  209.   decoder optimization

  210.   start on 2/11 100 frames of 352x240@25 compiled with no optimization -g debugging

  211.   9.824s ~ 2.44x off

  212.   6.360s ~ 1.58x off with -O2

  213.   5.740s ~ 1.43x off with idcts

  214. 

  215.   2.64s    2/20 same sman.mp4 decode only

  216. 

  217. */

  218. 

  219. void dsputil_init_bfin( DSPContext* c, AVCodecContext *avctx )

  220. {

  221.     c->get_pixels         = ff_bfin_get_pixels;

  222.     c->diff_pixels        = ff_bfin_diff_pixels;

  223.     c->put_pixels_clamped = ff_bfin_put_pixels_clamped;

  224.     c->add_pixels_clamped = ff_bfin_add_pixels_clamped;

  225. 

  226.     c->clear_blocks       = bfin_clear_blocks;

  227.     c->pix_sum            = ff_bfin_pix_sum;

  228.     c->pix_norm1          = ff_bfin_pix_norm1;

  229. 

  230.     c->sad[0]             = bfin_pix_abs16;

  231.     c->sad[1]             = bfin_pix_abs8;

  232. 

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

  234.     c->pix_abs[0][0] = bfin_pix_abs16;

  235.     c->pix_abs[0][1] = bfin_pix_abs16_x2;

  236.     c->pix_abs[0][2] = bfin_pix_abs16_y2;

  237.     c->pix_abs[0][3] = bfin_pix_abs16_xy2;

  238. 

  239.     c->pix_abs[1][0] = bfin_pix_abs8;

  240.     c->pix_abs[1][1] = bfin_pix_abs8_x2;

  241.     c->pix_abs[1][2] = bfin_pix_abs8_y2;

  242.     c->pix_abs[1][3] = bfin_pix_abs8_xy2;

  243. 

  244. 

  245.     c->sse[0] = ff_bfin_sse16;

  246.     c->sse[1] = ff_bfin_sse8;

  247.     c->sse[2] = ff_bfin_sse4;

  248. 

  249. 

  250.     /**

  251.      * Halfpel motion compensation with rounding (a+b+1)>>1.

  252.      * This is an array[4][4] of motion compensation functions for 4

  253.      * horizontal blocksizes (8,16) and the 4 halfpel positions

  254.      * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]

  255.      * @param block destination where the result is stored

  256.      * @param pixels source

  257.      * @param line_size number of bytes in a horizontal line of block

  258.      * @param h height

  259.      */

  260. 

  261.     c->put_pixels_tab[0][0] = bfin_put_pixels16;

  262.     c->put_pixels_tab[0][1] = bfin_put_pixels16_x2;

  263.     c->put_pixels_tab[0][2] = bfin_put_pixels16_y2;

  264.     c->put_pixels_tab[0][3] = bfin_put_pixels16_xy2;

  265. 

  266.     c->put_pixels_tab[1][0] = bfin_put_pixels8;

  267.     c->put_pixels_tab[1][1] = bfin_put_pixels8_x2;

  268.     c->put_pixels_tab[1][2] = bfin_put_pixels8_y2;

  269.     c->put_pixels_tab[1][3] = bfin_put_pixels8_xy2;

  270. 

  271.     c->put_no_rnd_pixels_tab[1][0] = bfin_put_pixels8_nornd;

  272.     c->put_no_rnd_pixels_tab[1][1] = bfin_put_pixels8_x2_nornd;

  273.     c->put_no_rnd_pixels_tab[1][2] = bfin_put_pixels8_y2_nornd;

  274.     c->put_no_rnd_pixels_tab[1][3] = ff_bfin_put_pixels8_xy2_nornd;

  275. 

  276.     c->put_no_rnd_pixels_tab[0][0] = bfin_put_pixels16_nornd;

  277.     c->put_no_rnd_pixels_tab[0][1] = bfin_put_pixels16_x2_nornd;

  278.     c->put_no_rnd_pixels_tab[0][2] = bfin_put_pixels16_y2_nornd;

  279.     c->put_no_rnd_pixels_tab[0][3] = ff_bfin_put_pixels16_xy2_nornd;

  280. 

  281.     c->idct_permutation_type = FF_NO_IDCT_PERM;

  282.     c->fdct               = ff_bfin_fdct;

  283.     c->idct               = ff_bfin_idct;

  284.     c->idct_add           = bfin_idct_add;

  285.     c->idct_put           = bfin_idct_put;

  286. }

  287. 

  288.