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FFmpeg/libavcodec/armv4l/dsputil_arm.c

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  1. /*

  2.  * ARMv4L optimized DSP utils

  3.  * Copyright (c) 2001 Lionel Ulmer.

  4.  *

  5.  * This file is part of FFmpeg.

  6.  *

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

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

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

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

  11.  *

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

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

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

  15.  * Lesser General Public License for more details.

  16.  *

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

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

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

  20.  */

  21. 

  22. #include "../dsputil.h"

  23. #ifdef HAVE_IPP

  24. #include "ipp.h"

  25. #endif

  26. 

  27. extern void dsputil_init_iwmmxt(DSPContext* c, AVCodecContext *avctx);

  28. 

  29. extern void j_rev_dct_ARM(DCTELEM *data);

  30. extern void simple_idct_ARM(DCTELEM *data);

  31. 

  32. extern void simple_idct_armv5te(DCTELEM *data);

  33. extern void simple_idct_put_armv5te(uint8_t *dest, int line_size,

  34.                                     DCTELEM *data);

  35. extern void simple_idct_add_armv5te(uint8_t *dest, int line_size,

  36.                                     DCTELEM *data);

  37. 

  38. /* XXX: local hack */

  39. static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);

  40. static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);

  41. 

  42. void put_pixels8_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

  43. void put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

  44. void put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

  45. void put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

  46. 

  47. void put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

  48. void put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

  49. void put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

  50. 

  51. void put_pixels16_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);

  52. 

  53. CALL_2X_PIXELS(put_pixels16_x2_arm , put_pixels8_x2_arm , 8)

  54. CALL_2X_PIXELS(put_pixels16_y2_arm , put_pixels8_y2_arm , 8)

  55. CALL_2X_PIXELS(put_pixels16_xy2_arm, put_pixels8_xy2_arm, 8)

  56. CALL_2X_PIXELS(put_no_rnd_pixels16_x2_arm , put_no_rnd_pixels8_x2_arm , 8)

  57. CALL_2X_PIXELS(put_no_rnd_pixels16_y2_arm , put_no_rnd_pixels8_y2_arm , 8)

  58. CALL_2X_PIXELS(put_no_rnd_pixels16_xy2_arm, put_no_rnd_pixels8_xy2_arm, 8)

  59. 

  60. static void add_pixels_clamped_ARM(short *block, unsigned char *dest, int line_size)

  61. {

  62.     asm volatile (

  63.                   "mov r10, #8 \n\t"

  64. 

  65.                   "1: \n\t"

  66. 

  67.                   /* load dest */

  68.                   "ldr r4, [%1] \n\t"

  69.                   /* block[0] and block[1]*/

  70.                   "ldrsh r5, [%0] \n\t"

  71.                   "ldrsh r7, [%0, #2] \n\t"

  72.                   "and r6, r4, #0xFF \n\t"

  73.                   "and r8, r4, #0xFF00 \n\t"

  74.                   "add r6, r5, r6 \n\t"

  75.                   "add r8, r7, r8, lsr #8 \n\t"

  76.                   "mvn r5, r5 \n\t"

  77.                   "mvn r7, r7 \n\t"

  78.                   "tst r6, #0x100 \n\t"

  79.                   "movne r6, r5, lsr #24 \n\t"

  80.                   "tst r8, #0x100 \n\t"

  81.                   "movne r8, r7, lsr #24 \n\t"

  82.                   "mov r9, r6 \n\t"

  83.                   "ldrsh r5, [%0, #4] \n\t" /* moved form [A] */

  84.                   "orr r9, r9, r8, lsl #8 \n\t"

  85.                   /* block[2] and block[3] */

  86.                   /* [A] */

  87.                   "ldrsh r7, [%0, #6] \n\t"

  88.                   "and r6, r4, #0xFF0000 \n\t"

  89.                   "and r8, r4, #0xFF000000 \n\t"

  90.                   "add r6, r5, r6, lsr #16 \n\t"

  91.                   "add r8, r7, r8, lsr #24 \n\t"

  92.                   "mvn r5, r5 \n\t"

  93.                   "mvn r7, r7 \n\t"

  94.                   "tst r6, #0x100 \n\t"

  95.                   "movne r6, r5, lsr #24 \n\t"

  96.                   "tst r8, #0x100 \n\t"

  97.                   "movne r8, r7, lsr #24 \n\t"

  98.                   "orr r9, r9, r6, lsl #16 \n\t"

  99.                   "ldr r4, [%1, #4] \n\t"       /* moved form [B] */

  100.                   "orr r9, r9, r8, lsl #24 \n\t"

  101.                   /* store dest */

  102.                   "ldrsh r5, [%0, #8] \n\t" /* moved form [C] */

  103.                   "str r9, [%1] \n\t"

  104. 

  105.                   /* load dest */

  106.                   /* [B] */

  107.                   /* block[4] and block[5] */

  108.                   /* [C] */

  109.                   "ldrsh r7, [%0, #10] \n\t"

  110.                   "and r6, r4, #0xFF \n\t"

  111.                   "and r8, r4, #0xFF00 \n\t"

  112.                   "add r6, r5, r6 \n\t"

  113.                   "add r8, r7, r8, lsr #8 \n\t"

  114.                   "mvn r5, r5 \n\t"

  115.                   "mvn r7, r7 \n\t"

  116.                   "tst r6, #0x100 \n\t"

  117.                   "movne r6, r5, lsr #24 \n\t"

  118.                   "tst r8, #0x100 \n\t"

  119.                   "movne r8, r7, lsr #24 \n\t"

  120.                   "mov r9, r6 \n\t"

  121.                   "ldrsh r5, [%0, #12] \n\t" /* moved from [D] */

  122.                   "orr r9, r9, r8, lsl #8 \n\t"

  123.                   /* block[6] and block[7] */

  124.                   /* [D] */

  125.                   "ldrsh r7, [%0, #14] \n\t"

  126.                   "and r6, r4, #0xFF0000 \n\t"

  127.                   "and r8, r4, #0xFF000000 \n\t"

  128.                   "add r6, r5, r6, lsr #16 \n\t"

  129.                   "add r8, r7, r8, lsr #24 \n\t"

  130.                   "mvn r5, r5 \n\t"

  131.                   "mvn r7, r7 \n\t"

  132.                   "tst r6, #0x100 \n\t"

  133.                   "movne r6, r5, lsr #24 \n\t"

  134.                   "tst r8, #0x100 \n\t"

  135.                   "movne r8, r7, lsr #24 \n\t"

  136.                   "orr r9, r9, r6, lsl #16 \n\t"

  137.                   "add %0, %0, #16 \n\t" /* moved from [E] */

  138.                   "orr r9, r9, r8, lsl #24 \n\t"

  139.                   "subs r10, r10, #1 \n\t" /* moved from [F] */

  140.                   /* store dest */

  141.                   "str r9, [%1, #4] \n\t"

  142. 

  143.                   /* [E] */

  144.                   /* [F] */

  145.                   "add %1, %1, %2 \n\t"

  146.                   "bne 1b \n\t"

  147.                   : "+r"(block),

  148.                     "+r"(dest)

  149.                   : "r"(line_size)

  150.                   : "r4", "r5", "r6", "r7", "r8", "r9", "r10", "cc", "memory" );

  151. }

  152. 

  153. /* XXX: those functions should be suppressed ASAP when all IDCTs are

  154.    converted */

  155. static void j_rev_dct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)

  156. {

  157.     j_rev_dct_ARM (block);

  158.     ff_put_pixels_clamped(block, dest, line_size);

  159. }

  160. static void j_rev_dct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)

  161. {

  162.     j_rev_dct_ARM (block);

  163.     ff_add_pixels_clamped(block, dest, line_size);

  164. }

  165. static void simple_idct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)

  166. {

  167.     simple_idct_ARM (block);

  168.     ff_put_pixels_clamped(block, dest, line_size);

  169. }

  170. static void simple_idct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)

  171. {

  172.     simple_idct_ARM (block);

  173.     ff_add_pixels_clamped(block, dest, line_size);

  174. }

  175. 

  176. #ifdef HAVE_IPP

  177. static void simple_idct_ipp(DCTELEM *block)

  178. {

  179.     ippiDCT8x8Inv_Video_16s_C1I(block);

  180. }

  181. static void simple_idct_ipp_put(uint8_t *dest, int line_size, DCTELEM *block)

  182. {

  183.     ippiDCT8x8Inv_Video_16s8u_C1R(block, dest, line_size);

  184. }

  185. 

  186. void add_pixels_clamped_iwmmxt(const DCTELEM *block, uint8_t *pixels, int line_size);

  187. 

  188. static void simple_idct_ipp_add(uint8_t *dest, int line_size, DCTELEM *block)

  189. {

  190.     ippiDCT8x8Inv_Video_16s_C1I(block);

  191. #ifdef HAVE_IWMMXT

  192.     add_pixels_clamped_iwmmxt(block, dest, line_size);

  193. #else

  194.     add_pixels_clamped_ARM(block, dest, line_size);

  195. #endif

  196. }

  197. #endif

  198. 

  199. void dsputil_init_armv4l(DSPContext* c, AVCodecContext *avctx)

  200. {

  201.     int idct_algo= avctx->idct_algo;

  202. 

  203.     ff_put_pixels_clamped = c->put_pixels_clamped;

  204.     ff_add_pixels_clamped = c->add_pixels_clamped;

  205. 

  206.     if(idct_algo == FF_IDCT_AUTO){

  207. #if defined(HAVE_IPP)

  208.         idct_algo = FF_IDCT_IPP;

  209. #elif defined(HAVE_ARMV5TE)

  210.         idct_algo = FF_IDCT_SIMPLEARMV5TE;

  211. #else

  212.         idct_algo = FF_IDCT_ARM;

  213. #endif

  214.     }

  215. 

  216.     if(idct_algo==FF_IDCT_ARM){

  217.         c->idct_put= j_rev_dct_ARM_put;

  218.         c->idct_add= j_rev_dct_ARM_add;

  219.         c->idct    = j_rev_dct_ARM;

  220.         c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;/* FF_NO_IDCT_PERM */

  221.     } else if (idct_algo==FF_IDCT_SIMPLEARM){

  222.         c->idct_put= simple_idct_ARM_put;

  223.         c->idct_add= simple_idct_ARM_add;

  224.         c->idct    = simple_idct_ARM;

  225.         c->idct_permutation_type= FF_NO_IDCT_PERM;

  226. #ifdef HAVE_ARMV5TE

  227.     } else if (idct_algo==FF_IDCT_SIMPLEARMV5TE){

  228.         c->idct_put= simple_idct_put_armv5te;

  229.         c->idct_add= simple_idct_add_armv5te;

  230.         c->idct    = simple_idct_armv5te;

  231.         c->idct_permutation_type = FF_NO_IDCT_PERM;

  232. #endif

  233. #ifdef HAVE_IPP

  234.     } else if (idct_algo==FF_IDCT_IPP){

  235.         c->idct_put= simple_idct_ipp_put;

  236.         c->idct_add= simple_idct_ipp_add;

  237.         c->idct    = simple_idct_ipp;

  238.         c->idct_permutation_type= FF_NO_IDCT_PERM;

  239. #endif

  240.     }

  241. 

  242. /*     c->put_pixels_tab[0][0] = put_pixels16_arm; */ // NG!

  243.     c->put_pixels_tab[0][1] = put_pixels16_x2_arm; //OK!

  244.     c->put_pixels_tab[0][2] = put_pixels16_y2_arm; //OK!

  245. /*     c->put_pixels_tab[0][3] = put_pixels16_xy2_arm; /\* NG *\/ */

  246. /*     c->put_no_rnd_pixels_tab[0][0] = put_pixels16_arm; */

  247.     c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_arm; // OK

  248.     c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_arm; //OK

  249. /*     c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_arm; //NG */

  250.     c->put_pixels_tab[1][0] = put_pixels8_arm; //OK

  251.     c->put_pixels_tab[1][1] = put_pixels8_x2_arm; //OK

  252. /*     c->put_pixels_tab[1][2] = put_pixels8_y2_arm; //NG */

  253. /*     c->put_pixels_tab[1][3] = put_pixels8_xy2_arm; //NG */

  254.     c->put_no_rnd_pixels_tab[1][0] = put_pixels8_arm;//OK

  255.     c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_arm; //OK

  256.     c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_arm; //OK

  257. /*     c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_arm;//NG */

  258. 

  259. #ifdef HAVE_IWMMXT

  260.     dsputil_init_iwmmxt(c, avctx);

  261. #endif

  262. }