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FFmpeg/libavcodec/x86/hpeldsp_init.c

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  1. /*

  2.  * SIMD-optimized halfpel functions

  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/avcodec.h"

  30. #include "libavcodec/hpeldsp.h"

  31. #include "libavcodec/pixels.h"

  32. #include "dsputil_x86.h"

  33. 

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

  35.                               ptrdiff_t line_size, int h);

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

  37.                              ptrdiff_t line_size, int h);

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

  39.                                ptrdiff_t line_size, int h);

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

  41.                               ptrdiff_t line_size, int h);

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

  43.                                      ptrdiff_t line_size, int h);

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

  45.                                     ptrdiff_t line_size, int h);

  46. void ff_put_no_rnd_pixels8_x2_exact_mmxext(uint8_t *block,

  47.                                            const uint8_t *pixels,

  48.                                            ptrdiff_t line_size, int h);

  49. void ff_put_no_rnd_pixels8_x2_exact_3dnow(uint8_t *block,

  50.                                           const uint8_t *pixels,

  51.                                           ptrdiff_t line_size, int h);

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

  53.                               ptrdiff_t line_size, int h);

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

  55.                              ptrdiff_t line_size, int h);

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

  57.                                      ptrdiff_t line_size, int h);

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

  59.                                     ptrdiff_t line_size, int h);

  60. void ff_put_no_rnd_pixels8_y2_exact_mmxext(uint8_t *block,

  61.                                            const uint8_t *pixels,

  62.                                            ptrdiff_t line_size, int h);

  63. void ff_put_no_rnd_pixels8_y2_exact_3dnow(uint8_t *block,

  64.                                           const uint8_t *pixels,

  65.                                           ptrdiff_t line_size, int h);

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

  67.                           ptrdiff_t line_size, int h);

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

  69.                               ptrdiff_t line_size, int h);

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

  71.                              ptrdiff_t line_size, int h);

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

  73.                               ptrdiff_t line_size, int h);

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

  75.                              ptrdiff_t line_size, int h);

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

  77.                                ptrdiff_t line_size, int h);

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

  79.                               ptrdiff_t line_size, int h);

  80. 

  81. #define avg_pixels8_mmx         ff_avg_pixels8_mmx

  82. #define avg_pixels8_x2_mmx      ff_avg_pixels8_x2_mmx

  83. #define avg_pixels16_mmx        ff_avg_pixels16_mmx

  84. #define avg_pixels8_xy2_mmx     ff_avg_pixels8_xy2_mmx

  85. #define avg_pixels16_xy2_mmx    ff_avg_pixels16_xy2_mmx

  86. #define put_pixels8_mmx         ff_put_pixels8_mmx

  87. #define put_pixels16_mmx        ff_put_pixels16_mmx

  88. #define put_pixels8_xy2_mmx     ff_put_pixels8_xy2_mmx

  89. #define put_pixels16_xy2_mmx    ff_put_pixels16_xy2_mmx

  90. #define avg_no_rnd_pixels16_mmx ff_avg_pixels16_mmx

  91. #define put_no_rnd_pixels8_mmx  ff_put_pixels8_mmx

  92. #define put_no_rnd_pixels16_mmx ff_put_pixels16_mmx

  93. 

  94. #if HAVE_INLINE_ASM

  95. 

  96. /***********************************/

  97. /* MMX no rounding */

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

  99. #define SET_RND  MOVQ_WONE

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

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

  102. #define STATIC static

  103. 

  104. #include "rnd_template.c"

  105. #include "hpeldsp_rnd_template.c"

  106. 

  107. #undef DEF

  108. #undef SET_RND

  109. #undef PAVGBP

  110. #undef PAVGB

  111. #undef STATIC

  112. 

  113. CALL_2X_PIXELS(avg_no_rnd_pixels16_y2_mmx, avg_no_rnd_pixels8_y2_mmx, 8)

  114. CALL_2X_PIXELS(put_no_rnd_pixels16_y2_mmx, put_no_rnd_pixels8_y2_mmx, 8)

  115. 

  116. CALL_2X_PIXELS(avg_no_rnd_pixels16_xy2_mmx, avg_no_rnd_pixels8_xy2_mmx, 8)

  117. CALL_2X_PIXELS(put_no_rnd_pixels16_xy2_mmx, put_no_rnd_pixels8_xy2_mmx, 8)

  118. 

  119. /***********************************/

  120. /* MMX rounding */

  121. 

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

  123. #define SET_RND  MOVQ_WTWO

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

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

  126. 

  127. #include "hpeldsp_rnd_template.c"

  128. 

  129. #undef DEF

  130. #undef SET_RND

  131. #undef PAVGBP

  132. #undef PAVGB

  133. 

  134. CALL_2X_PIXELS(avg_pixels16_y2_mmx, avg_pixels8_y2_mmx, 8)

  135. CALL_2X_PIXELS(put_pixels16_y2_mmx, put_pixels8_y2_mmx, 8)

  136. 

  137. #endif /* HAVE_INLINE_ASM */

  138. 

  139. 

  140. #if HAVE_YASM

  141. 

  142. #define HPELDSP_AVG_PIXELS16(CPUEXT)                      \

  143.     CALL_2X_PIXELS(put_no_rnd_pixels16_x2 ## CPUEXT, ff_put_no_rnd_pixels8_x2 ## CPUEXT, 8) \

  144.     CALL_2X_PIXELS(put_pixels16_y2        ## CPUEXT, ff_put_pixels8_y2        ## CPUEXT, 8) \

  145.     CALL_2X_PIXELS(put_no_rnd_pixels16_y2 ## CPUEXT, ff_put_no_rnd_pixels8_y2 ## CPUEXT, 8) \

  146.     CALL_2X_PIXELS(avg_pixels16           ## CPUEXT, ff_avg_pixels8           ## CPUEXT, 8) \

  147.     CALL_2X_PIXELS(avg_pixels16_x2        ## CPUEXT, ff_avg_pixels8_x2        ## CPUEXT, 8) \

  148.     CALL_2X_PIXELS(avg_pixels16_y2        ## CPUEXT, ff_avg_pixels8_y2        ## CPUEXT, 8) \

  149.     CALL_2X_PIXELS(avg_pixels16_xy2       ## CPUEXT, ff_avg_pixels8_xy2       ## CPUEXT, 8)

  150. 

  151. HPELDSP_AVG_PIXELS16(_3dnow)

  152. HPELDSP_AVG_PIXELS16(_mmxext)

  153. 

  154. #endif /* HAVE_YASM */

  155. 

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

  157.     do {                                                                        \

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

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

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

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

  162.     } while (0)

  163. 

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

  165. {

  166. #if HAVE_MMX_INLINE

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

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

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

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

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

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

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

  174. #endif /* HAVE_MMX_INLINE */

  175. }

  176. 

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

  178. {

  179. #if HAVE_MMXEXT_EXTERNAL

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

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

  182. 

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

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

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

  186. 

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

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

  189. 

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

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

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

  193. 

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

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

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

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

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

  199. 

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

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

  202.     }

  203. 

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

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

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

  207.     }

  208. #endif /* HAVE_MMXEXT_EXTERNAL */

  209. }

  210. 

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

  212. {

  213. #if HAVE_AMD3DNOW_EXTERNAL

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

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

  216. 

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

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

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

  220. 

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

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

  223. 

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

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

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

  227. 

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

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

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

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

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

  233. 

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

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

  236.     }

  237. 

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

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

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

  241.     }

  242. #endif /* HAVE_AMD3DNOW_EXTERNAL */

  243. }

  244. 

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

  246. {

  247. #if HAVE_SSE2_EXTERNAL

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

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

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

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

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

  253.     }

  254. #endif /* HAVE_SSE2_EXTERNAL */

  255. }

  256. 

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

  258. {

  259.     int cpu_flags = av_get_cpu_flags();

  260. 

  261.     if (INLINE_MMX(cpu_flags))

  262.         hpeldsp_init_mmx(c, flags, cpu_flags);

  263. 

  264.     if (EXTERNAL_AMD3DNOW(cpu_flags))

  265.         hpeldsp_init_3dnow(c, flags, cpu_flags);

  266. 

  267.     if (EXTERNAL_MMXEXT(cpu_flags))

  268.         hpeldsp_init_mmxext(c, flags, cpu_flags);

  269. 

  270.     if (EXTERNAL_SSE2(cpu_flags))

  271.         hpeldsp_init_sse2(c, flags, cpu_flags);

  272. }