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  1. /*
  2.  * Half-pel DSP functions.
  3.  * Copyright (c) 2000, 2001 Fabrice Bellard
  4.  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
  5.  *
  6.  * gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at>
  7.  *
  8.  * This file is part of FFmpeg.
  9.  *
  10.  * FFmpeg is free software; you can redistribute it and/or
  11.  * modify it under the terms of the GNU Lesser General Public
  12.  * License as published by the Free Software Foundation; either
  13.  * version 2.1 of the License, or (at your option) any later version.
  14.  *
  15.  * FFmpeg is distributed in the hope that it will be useful,
  16.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18.  * Lesser General Public License for more details.
  19.  *
  20.  * You should have received a copy of the GNU Lesser General Public
  21.  * License along with FFmpeg; if not, write to the Free Software
  22.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  23.  */
  24.  
  25. /**
  26.  * @file
  27.  * Half-pel DSP functions.
  28.  */
  29.  
  30. #include "libavutil/attributes.h"
  31. #include "libavutil/intreadwrite.h"
  32. #include "hpeldsp.h"
  33.  
  34. #define BIT_DEPTH 8
  35. #include "hpeldsp_template.c"
  36.  
  37. av_cold void ff_hpeldsp_init(HpelDSPContext *c, int flags)
  38. {
  39. #define hpel_funcs(prefix, idx, num) \
  40.     c->prefix ## _pixels_tab idx [0] = prefix ## _pixels ## num ## _8_c; \
  41.     c->prefix ## _pixels_tab idx [1] = prefix ## _pixels ## num ## _x2_8_c; \
  42.     c->prefix ## _pixels_tab idx [2] = prefix ## _pixels ## num ## _y2_8_c; \
  43.     c->prefix ## _pixels_tab idx [3] = prefix ## _pixels ## num ## _xy2_8_c
  44.  
  45.     hpel_funcs(put, [0], 16);
  46.     hpel_funcs(put, [1],  8);
  47.     hpel_funcs(put, [2],  4);
  48.     hpel_funcs(put, [3],  2);
  49.     hpel_funcs(put_no_rnd, [0], 16);
  50.     hpel_funcs(put_no_rnd, [1],  8);
  51.     hpel_funcs(avg, [0], 16);
  52.     hpel_funcs(avg, [1],  8);
  53.     hpel_funcs(avg, [2],  4);
  54.     hpel_funcs(avg, [3],  2);
  55.     hpel_funcs(avg_no_rnd,, 16);
  56.  
  57.     if (ARCH_ALPHA)
  58.         ff_hpeldsp_init_alpha(c, flags);
  59.     if (ARCH_ARM)
  60.         ff_hpeldsp_init_arm(c, flags);
  61.     if (ARCH_BFIN)
  62.         ff_hpeldsp_init_bfin(c, flags);
  63.     if (ARCH_PPC)
  64.         ff_hpeldsp_init_ppc(c, flags);
  65.     if (HAVE_VIS)
  66.         ff_hpeldsp_init_vis(c, flags);
  67.     if (ARCH_X86)
  68.         ff_hpeldsp_init_x86(c, flags);
  69. }
  70.