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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/attributes.h"

  26. #include "libavutil/cpu.h"

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

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

  29. #include "libavcodec/hpeldsp.h"

  30. #include "dsputil_x86.h"

  31. 

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

  33.                               ptrdiff_t line_size, int h);

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

  35.                              ptrdiff_t line_size, int h);

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

  37.                                ptrdiff_t line_size, int h);

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

  39.                               ptrdiff_t line_size, int h);

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

  41.                                      ptrdiff_t line_size, int h);

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

  43.                                     ptrdiff_t line_size, int h);

  44. void ff_put_no_rnd_pixels8_x2_exact_mmxext(uint8_t *block,

  45.                                            const uint8_t *pixels,

  46.                                            ptrdiff_t line_size, int h);

  47. void ff_put_no_rnd_pixels8_x2_exact_3dnow(uint8_t *block,

  48.                                           const uint8_t *pixels,

  49.                                           ptrdiff_t line_size, int h);

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

  51.                               ptrdiff_t line_size, int h);

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

  53.                              ptrdiff_t line_size, int h);

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

  55.                                      ptrdiff_t line_size, int h);

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

  57.                                     ptrdiff_t line_size, int h);

  58. void ff_put_no_rnd_pixels8_y2_exact_mmxext(uint8_t *block,

  59.                                            const uint8_t *pixels,

  60.                                            ptrdiff_t line_size, int h);

  61. void ff_put_no_rnd_pixels8_y2_exact_3dnow(uint8_t *block,

  62.                                           const uint8_t *pixels,

  63.                                           ptrdiff_t line_size, int h);

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

  65.                           ptrdiff_t line_size, int h);

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

  67.                               ptrdiff_t line_size, int h);

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

  69.                              ptrdiff_t line_size, int h);

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

  71.                               ptrdiff_t line_size, int h);

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

  73.                              ptrdiff_t line_size, int h);

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

  75.                                ptrdiff_t line_size, int h);

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

  77.                               ptrdiff_t line_size, int h);

  78. 

  79. #define avg_pixels8_mmx         ff_avg_pixels8_mmx

  80. #define avg_pixels8_x2_mmx      ff_avg_pixels8_x2_mmx

  81. #define avg_pixels16_mmx        ff_avg_pixels16_mmx

  82. #define avg_pixels8_xy2_mmx     ff_avg_pixels8_xy2_mmx

  83. #define avg_pixels16_xy2_mmx    ff_avg_pixels16_xy2_mmx

  84. #define put_pixels8_mmx         ff_put_pixels8_mmx

  85. #define put_pixels16_mmx        ff_put_pixels16_mmx

  86. #define put_pixels8_xy2_mmx     ff_put_pixels8_xy2_mmx

  87. #define put_pixels16_xy2_mmx    ff_put_pixels16_xy2_mmx

  88. #define avg_no_rnd_pixels16_mmx ff_avg_pixels16_mmx

  89. #define put_no_rnd_pixels8_mmx  ff_put_pixels8_mmx

  90. #define put_no_rnd_pixels16_mmx ff_put_pixels16_mmx

  91. 

  92. #if HAVE_INLINE_ASM

  93. 

  94. /***********************************/

  95. /* MMX no rounding */

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

  97. #define SET_RND  MOVQ_WONE

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

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

  100. #define STATIC static

  101. 

  102. #include "rnd_template.c"

  103. #include "hpeldsp_rnd_template.c"

  104. 

  105. #undef DEF

  106. #undef SET_RND

  107. #undef PAVGBP

  108. #undef PAVGB

  109. #undef STATIC

  110. 

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

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

  113. 

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

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

  116. 

  117. /***********************************/

  118. /* MMX rounding */

  119. 

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

  121. #define SET_RND  MOVQ_WTWO

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

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

  124. 

  125. #include "hpeldsp_rnd_template.c"

  126. 

  127. #undef DEF

  128. #undef SET_RND

  129. #undef PAVGBP

  130. #undef PAVGB

  131. 

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

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

  134. 

  135. #endif /* HAVE_INLINE_ASM */

  136. 

  137. 

  138. #if HAVE_YASM

  139. 

  140. #define HPELDSP_AVG_PIXELS16(CPUEXT)                \

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

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

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

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

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

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

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

  148. 

  149. HPELDSP_AVG_PIXELS16(_3dnow)

  150. HPELDSP_AVG_PIXELS16(_mmxext)

  151. 

  152. #endif /* HAVE_YASM */

  153. 

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

  155.     do {                                                                        \

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

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

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

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

  160.     } while (0)

  161. 

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

  163. {

  164. #if HAVE_MMX_INLINE

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

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

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

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

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

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

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

  172. #endif /* HAVE_MMX_INLINE */

  173. }

  174. 

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

  176. {

  177. #if HAVE_MMXEXT_EXTERNAL

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

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

  180. 

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

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

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

  184. 

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

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

  187. 

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

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

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

  191. 

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

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

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

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

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

  197. 

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

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

  200.     }

  201. 

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

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

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

  205.     }

  206. #endif /* HAVE_MMXEXT_EXTERNAL */

  207. }

  208. 

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

  210. {

  211. #if HAVE_AMD3DNOW_EXTERNAL

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

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

  214. 

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

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

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

  218. 

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

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

  221. 

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

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

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

  225. 

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

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

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

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

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

  231. 

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

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

  234.     }

  235. 

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

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

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

  239.     }

  240. #endif /* HAVE_AMD3DNOW_EXTERNAL */

  241. }

  242. 

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

  244. {

  245. #if HAVE_SSE2_EXTERNAL

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

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

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

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

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

  251.     }

  252. #endif /* HAVE_SSE2_EXTERNAL */

  253. }

  254. 

  255. av_cold void ff_hpeldsp_init_x86(HpelDSPContext *c, int flags)

  256. {

  257.     int cpu_flags = av_get_cpu_flags();

  258. 

  259.     if (INLINE_MMX(cpu_flags))

  260.         hpeldsp_init_mmx(c, flags, cpu_flags);

  261. 

  262.     if (EXTERNAL_AMD3DNOW(cpu_flags))

  263.         hpeldsp_init_3dnow(c, flags, cpu_flags);

  264. 

  265.     if (EXTERNAL_MMXEXT(cpu_flags))

  266.         hpeldsp_init_mmxext(c, flags, cpu_flags);

  267. 

  268.     if (EXTERNAL_SSE2(cpu_flags))

  269.         hpeldsp_init_sse2(c, flags, cpu_flags);

  270. }