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FFmpeg/libswresample/x86/resample_mmx.h

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  1. /*

  2.  * Copyright (c) 2012 Michael Niedermayer <michaelni@gmx.at>

  3.  *

  4.  * This file is part of FFmpeg.

  5.  *

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

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

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

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

  10.  *

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

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

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

  14.  * Lesser General Public License for more details.

  15.  *

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

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

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

  19.  */

  20. 

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

  22. #include "libavutil/cpu.h"

  23. #include "libswresample/swresample_internal.h"

  24. 

  25. int swri_resample_int16_mmx2 (struct ResampleContext *c, int16_t *dst, const int16_t *src, int *consumed, int src_size, int dst_size, int update_ctx);

  26. int swri_resample_int16_sse2 (struct ResampleContext *c, int16_t *dst, const int16_t *src, int *consumed, int src_size, int dst_size, int update_ctx);

  27. int swri_resample_float_sse  (struct ResampleContext *c,   float *dst, const   float *src, int *consumed, int src_size, int dst_size, int update_ctx);

  28. 

  29. DECLARE_ALIGNED(16, const uint64_t, ff_resample_int16_rounder)[2]    = { 0x0000000000004000ULL, 0x0000000000000000ULL};

  30. 

  31. #define COMMON_CORE_INT16_MMX2 \

  32.     x86_reg len= -2*c->filter_length;\

  33. __asm__ volatile(\

  34.     "movq "MANGLE(ff_resample_int16_rounder)", %%mm0 \n\t"\

  35.     "1:                         \n\t"\

  36.     "movq    (%1, %0), %%mm1    \n\t"\

  37.     "pmaddwd (%2, %0), %%mm1    \n\t"\

  38.     "paddd  %%mm1, %%mm0        \n\t"\

  39.     "add       $8, %0           \n\t"\

  40.     " js 1b                     \n\t"\

  41.     "pshufw $0x0E, %%mm0, %%mm1 \n\t"\

  42.     "paddd %%mm1, %%mm0         \n\t"\

  43.     "psrad    $15, %%mm0        \n\t"\

  44.     "packssdw %%mm0, %%mm0      \n\t"\

  45.     "movd %%mm0, (%3)           \n\t"\

  46.     : "+r" (len)\

  47.     : "r" (((uint8_t*)(src+sample_index))-len),\

  48.       "r" (((uint8_t*)filter)-len),\

  49.       "r" (dst+dst_index)\

  50.       NAMED_CONSTRAINTS_ADD(ff_resample_int16_rounder)\

  51. );

  52. 

  53. #define LINEAR_CORE_INT16_MMX2 \

  54.     x86_reg len= -2*c->filter_length;\

  55. __asm__ volatile(\

  56.     "pxor          %%mm0, %%mm0 \n\t"\

  57.     "pxor          %%mm2, %%mm2 \n\t"\

  58.     "1:                         \n\t"\

  59.     "movq       (%3, %0), %%mm1 \n\t"\

  60.     "movq          %%mm1, %%mm3 \n\t"\

  61.     "pmaddwd    (%4, %0), %%mm1 \n\t"\

  62.     "pmaddwd    (%5, %0), %%mm3 \n\t"\

  63.     "paddd         %%mm1, %%mm0 \n\t"\

  64.     "paddd         %%mm3, %%mm2 \n\t"\

  65.     "add              $8, %0    \n\t"\

  66.     " js 1b                     \n\t"\

  67.     "pshufw $0x0E, %%mm0, %%mm1 \n\t"\

  68.     "pshufw $0x0E, %%mm2, %%mm3 \n\t"\

  69.     "paddd         %%mm1, %%mm0 \n\t"\

  70.     "paddd         %%mm3, %%mm2 \n\t"\

  71.     "movd          %%mm0, %1    \n\t"\

  72.     "movd          %%mm2, %2    \n\t"\

  73.     : "+r" (len),\

  74.       "=r" (val),\

  75.       "=r" (v2)\

  76.     : "r" (((uint8_t*)(src+sample_index))-len),\

  77.       "r" (((uint8_t*)filter)-len),\

  78.       "r" (((uint8_t*)(filter+c->filter_alloc))-len)\

  79. );

  80. 

  81. #define COMMON_CORE_INT16_SSE2 \

  82.     x86_reg len= -2*c->filter_length;\

  83. __asm__ volatile(\

  84.     "movdqa "MANGLE(ff_resample_int16_rounder)", %%xmm0 \n\t"\

  85.     "1:                           \n\t"\

  86.     "movdqu  (%1, %0), %%xmm1     \n\t"\

  87.     "pmaddwd (%2, %0), %%xmm1     \n\t"\

  88.     "paddd  %%xmm1, %%xmm0        \n\t"\

  89.     "add       $16, %0            \n\t"\

  90.     " js 1b                       \n\t"\

  91.     "pshufd $0x0E, %%xmm0, %%xmm1 \n\t"\

  92.     "paddd %%xmm1, %%xmm0         \n\t"\

  93.     "pshufd $0x01, %%xmm0, %%xmm1 \n\t"\

  94.     "paddd %%xmm1, %%xmm0         \n\t"\

  95.     "psrad    $15, %%xmm0         \n\t"\

  96.     "packssdw %%xmm0, %%xmm0      \n\t"\

  97.     "movd %%xmm0, (%3)            \n\t"\

  98.     : "+r" (len)\

  99.     : "r" (((uint8_t*)(src+sample_index))-len),\

  100.       "r" (((uint8_t*)filter)-len),\

  101.       "r" (dst+dst_index)\

  102.       NAMED_CONSTRAINTS_ADD(ff_resample_int16_rounder)\

  103. );

  104. 

  105. #define LINEAR_CORE_INT16_SSE2 \

  106.     x86_reg len= -2*c->filter_length;\

  107. __asm__ volatile(\

  108.     "pxor          %%xmm0, %%xmm0 \n\t"\

  109.     "pxor          %%xmm2, %%xmm2 \n\t"\

  110.     "1:                           \n\t"\

  111.     "movdqu      (%3, %0), %%xmm1 \n\t"\

  112.     "movdqa        %%xmm1, %%xmm3 \n\t"\

  113.     "pmaddwd     (%4, %0), %%xmm1 \n\t"\

  114.     "pmaddwd     (%5, %0), %%xmm3 \n\t"\

  115.     "paddd         %%xmm1, %%xmm0 \n\t"\

  116.     "paddd         %%xmm3, %%xmm2 \n\t"\

  117.     "add              $16, %0     \n\t"\

  118.     " js 1b                       \n\t"\

  119.     "pshufd $0x0E, %%xmm0, %%xmm1 \n\t"\

  120.     "pshufd $0x0E, %%xmm2, %%xmm3 \n\t"\

  121.     "paddd         %%xmm1, %%xmm0 \n\t"\

  122.     "paddd         %%xmm3, %%xmm2 \n\t"\

  123.     "pshufd $0x01, %%xmm0, %%xmm1 \n\t"\

  124.     "pshufd $0x01, %%xmm2, %%xmm3 \n\t"\

  125.     "paddd         %%xmm1, %%xmm0 \n\t"\

  126.     "paddd         %%xmm3, %%xmm2 \n\t"\

  127.     "movd          %%xmm0, %1     \n\t"\

  128.     "movd          %%xmm2, %2     \n\t"\

  129.     : "+r" (len),\

  130.       "=r" (val),\

  131.       "=r" (v2)\

  132.     : "r" (((uint8_t*)(src+sample_index))-len),\

  133.       "r" (((uint8_t*)filter)-len),\

  134.       "r" (((uint8_t*)(filter+c->filter_alloc))-len)\

  135.     XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3")\

  136. );

  137. 

  138. #define COMMON_CORE_FLT_SSE \

  139.     x86_reg len= -4*c->filter_length;\

  140. __asm__ volatile(\

  141.     "xorps     %%xmm0, %%xmm0     \n\t"\

  142.     "1:                           \n\t"\

  143.     "movups  (%1, %0), %%xmm1     \n\t"\

  144.     "mulps   (%2, %0), %%xmm1     \n\t"\

  145.     "addps     %%xmm1, %%xmm0     \n\t"\

  146.     "add       $16, %0            \n\t"\

  147.     " js 1b                       \n\t"\

  148.     "movhlps   %%xmm0, %%xmm1     \n\t"\

  149.     "addps     %%xmm1, %%xmm0     \n\t"\

  150.     "movss     %%xmm0, %%xmm1     \n\t"\

  151.     "shufps $1, %%xmm0, %%xmm0    \n\t"\

  152.     "addps     %%xmm1, %%xmm0     \n\t"\

  153.     "movss     %%xmm0, (%3)       \n\t"\

  154.     : "+r" (len)\

  155.     : "r" (((uint8_t*)(src+sample_index))-len),\

  156.       "r" (((uint8_t*)filter)-len),\

  157.       "r" (dst+dst_index)\

  158. );

  159. 

  160. #define LINEAR_CORE_FLT_SSE \

  161.     x86_reg len= -4*c->filter_length;\

  162. __asm__ volatile(\

  163.     "xorps      %%xmm0, %%xmm0    \n\t"\

  164.     "xorps      %%xmm2, %%xmm2    \n\t"\

  165.     "1:                           \n\t"\

  166.     "movups   (%3, %0), %%xmm1    \n\t"\

  167.     "movaps     %%xmm1, %%xmm3    \n\t"\

  168.     "mulps    (%4, %0), %%xmm1    \n\t"\

  169.     "mulps    (%5, %0), %%xmm3    \n\t"\

  170.     "addps      %%xmm1, %%xmm0    \n\t"\

  171.     "addps      %%xmm3, %%xmm2    \n\t"\

  172.     "add           $16, %0        \n\t"\

  173.     " js 1b                       \n\t"\

  174.     "movhlps    %%xmm0, %%xmm1    \n\t"\

  175.     "movhlps    %%xmm2, %%xmm3    \n\t"\

  176.     "addps      %%xmm1, %%xmm0    \n\t"\

  177.     "addps      %%xmm3, %%xmm2    \n\t"\

  178.     "movss      %%xmm0, %%xmm1    \n\t"\

  179.     "movss      %%xmm2, %%xmm3    \n\t"\

  180.     "shufps $1, %%xmm0, %%xmm0    \n\t"\

  181.     "shufps $1, %%xmm2, %%xmm2    \n\t"\

  182.     "addps      %%xmm1, %%xmm0    \n\t"\

  183.     "addps      %%xmm3, %%xmm2    \n\t"\

  184.     "movss      %%xmm0, %1        \n\t"\

  185.     "movss      %%xmm2, %2        \n\t"\

  186.     : "+r" (len),\

  187.       "=m" (val),\

  188.       "=m" (v2)\

  189.     : "r" (((uint8_t*)(src+sample_index))-len),\

  190.       "r" (((uint8_t*)filter)-len),\

  191.       "r" (((uint8_t*)(filter+c->filter_alloc))-len)\

  192.     XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3")\

  193. );