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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 library is free software; you can redistribute it and/or

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

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

  8.  * version 2 of the License, or (at your option) any later version.

  9.  *

  10.  * This library is distributed in the hope that it will be useful,

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

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

  13.  * Lesser General Public License for more details.

  14.  *

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

  16.  * License along with this library; if not, write to the Free Software

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

  18.  */

  19. 

  20. #include "../dsputil.h"

  21. #ifdef HAVE_IPP

  22. #include "ipp.h"

  23. #endif

  24. 

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

  26. 

  27. extern void j_rev_dct_ARM(DCTELEM *data);

  28. extern void simple_idct_ARM(DCTELEM *data);

  29. 

  30. extern void simple_idct_armv5te(DCTELEM *data);

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

  32.                                     DCTELEM *data);

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

  34.                                     DCTELEM *data);

  35. 

  36. /* XXX: local hack */

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

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

  39. 

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

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

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

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

  44. 

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

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

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

  48. 

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

  50. 

  51. CALL_2X_PIXELS(put_pixels16_x2_arm , put_pixels8_x2_arm , 8)

  52. CALL_2X_PIXELS(put_pixels16_y2_arm , put_pixels8_y2_arm , 8)

  53. CALL_2X_PIXELS(put_pixels16_xy2_arm, put_pixels8_xy2_arm, 8)

  54. CALL_2X_PIXELS(put_no_rnd_pixels16_x2_arm , put_no_rnd_pixels8_x2_arm , 8)

  55. CALL_2X_PIXELS(put_no_rnd_pixels16_y2_arm , put_no_rnd_pixels8_y2_arm , 8)

  56. CALL_2X_PIXELS(put_no_rnd_pixels16_xy2_arm, put_no_rnd_pixels8_xy2_arm, 8)

  57. 

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

  59. {

  60.     asm volatile (

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

  62. 

  63.                   "1: \n\t"

  64. 

  65.                   /* load dest */

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  84.                   /* [A] */

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  99.                   /* store dest */

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

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

  102. 

  103.                   /* load dest */

  104.                   /* [B] */

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

  106.                   /* [C] */

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  122.                   /* [D] */

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  138.                   /* store dest */

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

  140. 

  141.                   /* [E] */

  142.                   /* [F] */

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

  144.                   "bne 1b \n\t"

  145.                   : "+r"(block),

  146.                     "+r"(dest)

  147.                   : "r"(line_size)

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

  149. }

  150. 

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

  152.    converted */

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

  154. {

  155.     j_rev_dct_ARM (block);

  156.     ff_put_pixels_clamped(block, dest, line_size);

  157. }

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

  159. {

  160.     j_rev_dct_ARM (block);

  161.     ff_add_pixels_clamped(block, dest, line_size);

  162. }

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

  164. {

  165.     simple_idct_ARM (block);

  166.     ff_put_pixels_clamped(block, dest, line_size);

  167. }

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

  169. {

  170.     simple_idct_ARM (block);

  171.     ff_add_pixels_clamped(block, dest, line_size);

  172. }

  173. 

  174. #ifdef HAVE_IPP

  175. static void simple_idct_ipp(DCTELEM *block)

  176. {

  177.     ippiDCT8x8Inv_Video_16s_C1I(block);

  178. }

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

  180. {

  181.     ippiDCT8x8Inv_Video_16s8u_C1R(block, dest, line_size);

  182. }

  183. 

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

  185. 

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

  187. {

  188.     ippiDCT8x8Inv_Video_16s_C1I(block);

  189. #ifdef HAVE_IWMMXT

  190.     add_pixels_clamped_iwmmxt(block, dest, line_size);

  191. #else

  192.     add_pixels_clamped_ARM(block, dest, line_size);

  193. #endif

  194. }

  195. #endif

  196. 

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

  198. {

  199.     int idct_algo= avctx->idct_algo;

  200. 

  201.     ff_put_pixels_clamped = c->put_pixels_clamped;

  202.     ff_add_pixels_clamped = c->add_pixels_clamped;

  203. 

  204.     if(idct_algo == FF_IDCT_AUTO){

  205. #if defined(HAVE_IPP)

  206.         idct_algo = FF_IDCT_IPP;

  207. #elif defined(HAVE_ARMV5TE)

  208.         idct_algo = FF_IDCT_SIMPLEARMV5TE;

  209. #else

  210.         idct_algo = FF_IDCT_ARM;

  211. #endif

  212.     }

  213. 

  214.     if(idct_algo==FF_IDCT_ARM){

  215.         c->idct_put= j_rev_dct_ARM_put;

  216.         c->idct_add= j_rev_dct_ARM_add;

  217.         c->idct    = j_rev_dct_ARM;

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

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

  220.         c->idct_put= simple_idct_ARM_put;

  221.         c->idct_add= simple_idct_ARM_add;

  222.         c->idct    = simple_idct_ARM;

  223.         c->idct_permutation_type= FF_NO_IDCT_PERM;

  224. #ifdef HAVE_ARMV5TE

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

  226.         c->idct_put= simple_idct_put_armv5te;

  227.         c->idct_add= simple_idct_add_armv5te;

  228.         c->idct    = simple_idct_armv5te;

  229.         c->idct_permutation_type = FF_NO_IDCT_PERM;

  230. #endif

  231. #ifdef HAVE_IPP

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

  233.         c->idct_put= simple_idct_ipp_put;

  234.         c->idct_add= simple_idct_ipp_add;

  235.         c->idct    = simple_idct_ipp;

  236.         c->idct_permutation_type= FF_NO_IDCT_PERM;

  237. #endif

  238.     }

  239. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  256. 

  257. #ifdef HAVE_IWMMXT

  258.     dsputil_init_iwmmxt(c, avctx);

  259. #endif

  260. }