libavcodec/mpegaudiodsp.c

   1 /*
   2  * Copyright (c) 2011 Mans Rullgard
   3  *
   4  * This file is part of Libav.
   5  *
   6  * Libav 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  * Libav 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 Libav; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #include "config.h"
  22 #include "mpegaudiodsp.h"
  23 #include "dct.h"
  24 #include "dct32.h"
  25
  26 void ff_mpadsp_init(MPADSPContext *s)
  27 {
  28     DCTContext dct;
  29
  30     ff_dct_init(&dct, 5, DCT_II);
  31     ff_init_mpadsp_tabs_float();
  32     ff_init_mpadsp_tabs_fixed();
  33
  34     s->apply_window_float = ff_mpadsp_apply_window_float;
  35     s->apply_window_fixed = ff_mpadsp_apply_window_fixed;
  36
  37     s->dct32_float = dct.dct32;
  38     s->dct32_fixed = ff_dct32_fixed;
  39
  40     s->imdct36_blocks_float = ff_imdct36_blocks_float;
  41     s->imdct36_blocks_fixed = ff_imdct36_blocks_fixed;
  42
  43     if (ARCH_ARM)     ff_mpadsp_init_arm(s);
  44     if (ARCH_X86)     ff_mpadsp_init_x86(s);
  45     if (HAVE_ALTIVEC) ff_mpadsp_init_altivec(s);
  46 }