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FFmpeg/libavcodec/x86/hpeldsp_init.c

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  1. /*

  2.  * MMX optimized 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 Libav.

  7.  *

  8.  * Libav 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.  * Libav 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 Libav; if not, write to the Free Software

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

  21.  *

  22.  * MMX optimization by Nick Kurshev <nickols_k@mail.ru>

  23.  */

  24. 

  25. #include "libavutil/cpu.h"

  26. #include "libavutil/x86/asm.h"

  27. #include "libavutil/x86/cpu.h"

  28. #include "libavcodec/hpeldsp.h"

  29. #include "dsputil_x86.h"

  30. 

  31. void ff_put_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,

  32.                               ptrdiff_t line_size, int h);

  33. void ff_put_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,

  34.                              ptrdiff_t line_size, int h);

  35. void ff_put_pixels16_x2_mmxext(uint8_t *block, const uint8_t *pixels,

  36.                                ptrdiff_t line_size, int h);

  37. void ff_put_pixels16_x2_3dnow(uint8_t *block, const uint8_t *pixels,

  38.                               ptrdiff_t line_size, int h);

  39. void ff_put_no_rnd_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,

  40.                                      ptrdiff_t line_size, int h);

  41. void ff_put_no_rnd_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,

  42.                                     ptrdiff_t line_size, int h);

  43. void ff_put_no_rnd_pixels8_x2_exact_mmxext(uint8_t *block,

  44.                                            const uint8_t *pixels,

  45.                                            ptrdiff_t line_size, int h);

  46. void ff_put_no_rnd_pixels8_x2_exact_3dnow(uint8_t *block,

  47.                                           const uint8_t *pixels,

  48.                                           ptrdiff_t line_size, int h);

  49. void ff_put_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,

  50.                               ptrdiff_t line_size, int h);

  51. void ff_put_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,

  52.                              ptrdiff_t line_size, int h);

  53. void ff_put_no_rnd_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,

  54.                                      ptrdiff_t line_size, int h);

  55. void ff_put_no_rnd_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,

  56.                                     ptrdiff_t line_size, int h);

  57. void ff_put_no_rnd_pixels8_y2_exact_mmxext(uint8_t *block,

  58.                                            const uint8_t *pixels,

  59.                                            ptrdiff_t line_size, int h);

  60. void ff_put_no_rnd_pixels8_y2_exact_3dnow(uint8_t *block,

  61.                                           const uint8_t *pixels,

  62.                                           ptrdiff_t line_size, int h);

  63. void ff_avg_pixels8_3dnow(uint8_t *block, const uint8_t *pixels,

  64.                           ptrdiff_t line_size, int h);

  65. void ff_avg_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,

  66.                               ptrdiff_t line_size, int h);

  67. void ff_avg_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,

  68.                              ptrdiff_t line_size, int h);

  69. void ff_avg_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,

  70.                               ptrdiff_t line_size, int h);

  71. void ff_avg_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,

  72.                              ptrdiff_t line_size, int h);

  73. void ff_avg_pixels8_xy2_mmxext(uint8_t *block, const uint8_t *pixels,

  74.                                ptrdiff_t line_size, int h);

  75. void ff_avg_pixels8_xy2_3dnow(uint8_t *block, const uint8_t *pixels,

  76.                               ptrdiff_t line_size, int h);

  77. 

  78. #define avg_pixels8_mmx         ff_avg_pixels8_mmx

  79. #define avg_pixels8_x2_mmx      ff_avg_pixels8_x2_mmx

  80. #define avg_pixels16_mmx        ff_avg_pixels16_mmx

  81. #define avg_pixels8_xy2_mmx     ff_avg_pixels8_xy2_mmx

  82. #define avg_pixels16_xy2_mmx    ff_avg_pixels16_xy2_mmx

  83. #define put_pixels8_mmx         ff_put_pixels8_mmx

  84. #define put_pixels16_mmx        ff_put_pixels16_mmx

  85. #define put_pixels8_xy2_mmx     ff_put_pixels8_xy2_mmx

  86. #define put_pixels16_xy2_mmx    ff_put_pixels16_xy2_mmx

  87. #define avg_no_rnd_pixels16_mmx ff_avg_pixels16_mmx

  88. #define put_no_rnd_pixels8_mmx  ff_put_pixels8_mmx

  89. #define put_no_rnd_pixels16_mmx ff_put_pixels16_mmx

  90. 

  91. #if HAVE_INLINE_ASM

  92. 

  93. /***********************************/

  94. /* MMX no rounding */

  95. #define DEF(x, y) x ## _no_rnd_ ## y ## _mmx

  96. #define SET_RND  MOVQ_WONE

  97. #define PAVGBP(a, b, c, d, e, f)        PAVGBP_MMX_NO_RND(a, b, c, d, e, f)

  98. #define PAVGB(a, b, c, e)               PAVGB_MMX_NO_RND(a, b, c, e)

  99. #define STATIC static

  100. 

  101. #include "rnd_template.c"

  102. #include "hpeldsp_rnd_template.c"

  103. 

  104. #undef DEF

  105. #undef SET_RND

  106. #undef PAVGBP

  107. #undef PAVGB

  108. #undef STATIC

  109. 

  110. PIXELS16(static, avg_no_rnd, , _y2, _mmx)

  111. PIXELS16(static, put_no_rnd, , _y2, _mmx)

  112. 

  113. PIXELS16(static, avg_no_rnd, , _xy2, _mmx)

  114. PIXELS16(static, put_no_rnd, , _xy2, _mmx)

  115. 

  116. /***********************************/

  117. /* MMX rounding */

  118. 

  119. #define DEF(x, y) x ## _ ## y ## _mmx

  120. #define SET_RND  MOVQ_WTWO

  121. #define PAVGBP(a, b, c, d, e, f)        PAVGBP_MMX(a, b, c, d, e, f)

  122. #define PAVGB(a, b, c, e)               PAVGB_MMX(a, b, c, e)

  123. 

  124. #include "hpeldsp_rnd_template.c"

  125. 

  126. #undef DEF

  127. #undef SET_RND

  128. #undef PAVGBP

  129. #undef PAVGB

  130. 

  131. PIXELS16(static, avg, , _y2, _mmx)

  132. PIXELS16(static, put, , _y2, _mmx)

  133. 

  134. #endif /* HAVE_INLINE_ASM */

  135. 

  136. 

  137. #if HAVE_YASM

  138. 

  139. #define HPELDSP_AVG_PIXELS16(CPUEXT)                \

  140.     PIXELS16(static, put_no_rnd, ff_,  _x2, CPUEXT) \

  141.     PIXELS16(static, put,        ff_,  _y2, CPUEXT) \

  142.     PIXELS16(static, put_no_rnd, ff_,  _y2, CPUEXT) \

  143.     PIXELS16(static, avg,        ff_,     , CPUEXT) \

  144.     PIXELS16(static, avg,        ff_,  _x2, CPUEXT) \

  145.     PIXELS16(static, avg,        ff_,  _y2, CPUEXT) \

  146.     PIXELS16(static, avg,        ff_, _xy2, CPUEXT)

  147. 

  148. HPELDSP_AVG_PIXELS16(_3dnow)

  149. HPELDSP_AVG_PIXELS16(_mmxext)

  150. 

  151. #endif /* HAVE_YASM */

  152. 

  153. #define SET_HPEL_FUNCS(PFX, IDX, SIZE, CPU)                                     \

  154.     do {                                                                        \

  155.         c->PFX ## _pixels_tab IDX [0] = PFX ## _pixels ## SIZE ## _     ## CPU; \

  156.         c->PFX ## _pixels_tab IDX [1] = PFX ## _pixels ## SIZE ## _x2_  ## CPU; \

  157.         c->PFX ## _pixels_tab IDX [2] = PFX ## _pixels ## SIZE ## _y2_  ## CPU; \

  158.         c->PFX ## _pixels_tab IDX [3] = PFX ## _pixels ## SIZE ## _xy2_ ## CPU; \

  159.     } while (0)

  160. 

  161. static void hpeldsp_init_mmx(HpelDSPContext *c, int flags, int cpu_flags)

  162. {

  163. #if HAVE_MMX_INLINE

  164.     SET_HPEL_FUNCS(put,        [0], 16, mmx);

  165.     SET_HPEL_FUNCS(put_no_rnd, [0], 16, mmx);

  166.     SET_HPEL_FUNCS(avg,        [0], 16, mmx);

  167.     SET_HPEL_FUNCS(avg_no_rnd,    , 16, mmx);

  168.     SET_HPEL_FUNCS(put,        [1],  8, mmx);

  169.     SET_HPEL_FUNCS(put_no_rnd, [1],  8, mmx);

  170.     SET_HPEL_FUNCS(avg,        [1],  8, mmx);

  171. #endif /* HAVE_MMX_INLINE */

  172. }

  173. 

  174. static void hpeldsp_init_mmxext(HpelDSPContext *c, int flags, int cpu_flags)

  175. {

  176. #if HAVE_MMXEXT_EXTERNAL

  177.     c->put_pixels_tab[0][1] = ff_put_pixels16_x2_mmxext;

  178.     c->put_pixels_tab[0][2] = put_pixels16_y2_mmxext;

  179. 

  180.     c->avg_pixels_tab[0][0] = avg_pixels16_mmxext;

  181.     c->avg_pixels_tab[0][1] = avg_pixels16_x2_mmxext;

  182.     c->avg_pixels_tab[0][2] = avg_pixels16_y2_mmxext;

  183. 

  184.     c->put_pixels_tab[1][1] = ff_put_pixels8_x2_mmxext;

  185.     c->put_pixels_tab[1][2] = ff_put_pixels8_y2_mmxext;

  186. 

  187.     c->avg_pixels_tab[1][0] = ff_avg_pixels8_mmxext;

  188.     c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_mmxext;

  189.     c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_mmxext;

  190. 

  191.     if (!(flags & CODEC_FLAG_BITEXACT)) {

  192.         c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_mmxext;

  193.         c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_mmxext;

  194.         c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_mmxext;

  195.         c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_mmxext;

  196. 

  197.         c->avg_pixels_tab[0][3] = avg_pixels16_xy2_mmxext;

  198.         c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_mmxext;

  199.     }

  200. 

  201.     if (flags & CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) {

  202.         c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_mmxext;

  203.         c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_mmxext;

  204.     }

  205. #endif /* HAVE_MMXEXT_EXTERNAL */

  206. }

  207. 

  208. static void hpeldsp_init_3dnow(HpelDSPContext *c, int flags, int cpu_flags)

  209. {

  210. #if HAVE_AMD3DNOW_EXTERNAL

  211.     c->put_pixels_tab[0][1] = ff_put_pixels16_x2_3dnow;

  212.     c->put_pixels_tab[0][2] = put_pixels16_y2_3dnow;

  213. 

  214.     c->avg_pixels_tab[0][0] = avg_pixels16_3dnow;

  215.     c->avg_pixels_tab[0][1] = avg_pixels16_x2_3dnow;

  216.     c->avg_pixels_tab[0][2] = avg_pixels16_y2_3dnow;

  217. 

  218.     c->put_pixels_tab[1][1] = ff_put_pixels8_x2_3dnow;

  219.     c->put_pixels_tab[1][2] = ff_put_pixels8_y2_3dnow;

  220. 

  221.     c->avg_pixels_tab[1][0] = ff_avg_pixels8_3dnow;

  222.     c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_3dnow;

  223.     c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_3dnow;

  224. 

  225.     if (!(flags & CODEC_FLAG_BITEXACT)){

  226.         c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_3dnow;

  227.         c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_3dnow;

  228.         c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_3dnow;

  229.         c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_3dnow;

  230. 

  231.         c->avg_pixels_tab[0][3] = avg_pixels16_xy2_3dnow;

  232.         c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_3dnow;

  233.     }

  234. 

  235.     if (flags & CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) {

  236.         c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_3dnow;

  237.         c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_3dnow;

  238.     }

  239. #endif /* HAVE_AMD3DNOW_EXTERNAL */

  240. }

  241. 

  242. static void hpeldsp_init_sse2(HpelDSPContext *c, int flags, int cpu_flags)

  243. {

  244. #if HAVE_SSE2_EXTERNAL

  245.     if (!(cpu_flags & AV_CPU_FLAG_SSE2SLOW)) {

  246.         // these functions are slower than mmx on AMD, but faster on Intel

  247.         c->put_pixels_tab[0][0]        = ff_put_pixels16_sse2;

  248.         c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_sse2;

  249.         c->avg_pixels_tab[0][0]        = ff_avg_pixels16_sse2;

  250.     }

  251. #endif /* HAVE_SSE2_EXTERNAL */

  252. }

  253. 

  254. void ff_hpeldsp_init_x86(HpelDSPContext *c, int flags)

  255. {

  256.     int cpu_flags = av_get_cpu_flags();

  257. 

  258.     if (INLINE_MMX(cpu_flags))

  259.         hpeldsp_init_mmx(c, flags, cpu_flags);

  260. 

  261.     if (EXTERNAL_AMD3DNOW(cpu_flags))

  262.         hpeldsp_init_3dnow(c, flags, cpu_flags);

  263. 

  264.     if (EXTERNAL_MMXEXT(cpu_flags))

  265.         hpeldsp_init_mmxext(c, flags, cpu_flags);

  266. 

  267.     if (EXTERNAL_SSE2(cpu_flags))

  268.         hpeldsp_init_sse2(c, flags, cpu_flags);

  269. }