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  1. /*
  2.  * This file is part of FFmpeg.
  3.  *
  4.  * FFmpeg is free software; you can redistribute it and/or
  5.  * modify it under the terms of the GNU Lesser General Public
  6.  * License as published by the Free Software Foundation; either
  7.  * version 2.1 of the License, or (at your option) any later version.
  8.  *
  9.  * FFmpeg is distributed in the hope that it will be useful,
  10.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12.  * Lesser General Public License for more details.
  13.  *
  14.  * You should have received a copy of the GNU Lesser General Public
  15.  * License along with FFmpeg; if not, write to the Free Software
  16.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17.  */
  18.  
  19. #include "config.h"
  20.  
  21. #include "fdct.h"
  22. #include "xvididct.h"
  23. #include "simple_idct.h"
  24.  
  25. #if (CONFIG_PRORES_DECODER || CONFIG_PRORES_LGPL_DECODER) && ARCH_X86_64 && HAVE_YASM
  26. void ff_prores_idct_put_10_sse2(uint16_t *dst, int linesize,
  27.                                 int16_t *block, int16_t *qmat);
  28.  
  29. #define PR_WRAP(INSN) \
  30. static void ff_prores_idct_put_10_##INSN##_wrap(int16_t *dst){ \
  31.     LOCAL_ALIGNED(16, int16_t, qmat, [64]); \
  32.     LOCAL_ALIGNED(16, int16_t, tmp, [64]); \
  33.     int i; \
  34.  \
  35.     for(i=0; i<64; i++){ \
  36.         qmat[i]=4; \
  37.         tmp[i]= dst[i]; \
  38.     } \
  39.     ff_prores_idct_put_10_##INSN (dst, 16, tmp, qmat); \
  40.  \
  41.     for(i=0; i<64; i++) { \
  42.          dst[i] -= 512; \
  43.     } \
  44. }
  45.  
  46. PR_WRAP(sse2)
  47.  
  48. # if HAVE_AVX_EXTERNAL
  49. void ff_prores_idct_put_10_avx(uint16_t *dst, int linesize,
  50.                                int16_t *block, int16_t *qmat);
  51. PR_WRAP(avx)
  52. # endif
  53.  
  54. #endif
  55.  
  56. static const struct algo fdct_tab_arch[] = {
  57. #if HAVE_MMX_INLINE
  58.     { "MMX",    ff_fdct_mmx,    FF_IDCT_PERM_NONE, AV_CPU_FLAG_MMX },
  59. #endif
  60. #if HAVE_MMXEXT_INLINE
  61.     { "MMXEXT", ff_fdct_mmxext, FF_IDCT_PERM_NONE, AV_CPU_FLAG_MMXEXT },
  62. #endif
  63. #if HAVE_SSE2_INLINE
  64.     { "SSE2",   ff_fdct_sse2,   FF_IDCT_PERM_NONE, AV_CPU_FLAG_SSE2 },
  65. #endif
  66.     { 0 }
  67. };
  68.  
  69. static const struct algo idct_tab_arch[] = {
  70. #if HAVE_MMX_INLINE
  71.     { "SIMPLE-MMX",  ff_simple_idct_mmx,  FF_IDCT_PERM_SIMPLE, AV_CPU_FLAG_MMX },
  72. #endif
  73. #if CONFIG_MPEG4_DECODER && HAVE_YASM
  74. #if ARCH_X86_32
  75.     { "XVID-MMX",    ff_xvid_idct_mmx,    FF_IDCT_PERM_NONE,   AV_CPU_FLAG_MMX,    1 },
  76.     { "XVID-MMXEXT", ff_xvid_idct_mmxext, FF_IDCT_PERM_NONE,   AV_CPU_FLAG_MMXEXT, 1 },
  77. #endif
  78. #if HAVE_SSE2_EXTERNAL
  79.     { "XVID-SSE2",   ff_xvid_idct_sse2,   FF_IDCT_PERM_SSE2,   AV_CPU_FLAG_SSE2,   1 },
  80. #endif
  81. #endif /* CONFIG_MPEG4_DECODER && HAVE_YASM */
  82. #if (CONFIG_PRORES_DECODER || CONFIG_PRORES_LGPL_DECODER) && ARCH_X86_64 && HAVE_YASM
  83.     { "PR-SSE2",     ff_prores_idct_put_10_sse2_wrap, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_SSE2, 1 },
  84. # if HAVE_AVX_EXTERNAL
  85.     { "PR-AVX",      ff_prores_idct_put_10_avx_wrap, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_AVX, 1 },
  86. # endif
  87. #endif
  88.     { 0 }
  89. };
  90.  
  91. static const uint8_t idct_simple_mmx_perm[64] = {
  92.     0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D,
  93.     0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D,
  94.     0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D,
  95.     0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F,
  96.     0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F,
  97.     0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D,
  98.     0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F,
  99.     0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
  100. };
  101.  
  102. static const uint8_t idct_sse2_row_perm[8] = { 0, 4, 1, 5, 2, 6, 3, 7 };
  103.  
  104. static int permute_x86(int16_t dst[64], const int16_t src[64],
  105.                        enum idct_permutation_type perm_type)
  106. {
  107.     int i;
  108.  
  109.     switch (perm_type) {
  110.     case FF_IDCT_PERM_SIMPLE:
  111.         for (i = 0; i < 64; i++)
  112.             dst[idct_simple_mmx_perm[i]] = src[i];
  113.         return 1;
  114.     case FF_IDCT_PERM_SSE2:
  115.         for (i = 0; i < 64; i++)
  116.             dst[(i & 0x38) | idct_sse2_row_perm[i & 7]] = src[i];
  117.         return 1;
  118.     }
  119.  
  120.     return 0;
  121. }
  122.