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  1. /*
  2.  * audio resampling
  3.  * Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at>
  4.  *
  5.  * This file is part of FFmpeg.
  6.  *
  7.  * FFmpeg is free software; you can redistribute it and/or
  8.  * modify it under the terms of the GNU Lesser General Public
  9.  * License as published by the Free Software Foundation; either
  10.  * version 2.1 of the License, or (at your option) any later version.
  11.  *
  12.  * FFmpeg is distributed in the hope that it will be useful,
  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15.  * Lesser General Public License for more details.
  16.  *
  17.  * You should have received a copy of the GNU Lesser General Public
  18.  * License along with FFmpeg; if not, write to the Free Software
  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20.  */
  21.  
  22. /**
  23.  * @file
  24.  * audio resampling
  25.  * @author Michael Niedermayer <michaelni@gmx.at>
  26.  */
  27.  
  28. #include "resample.h"
  29.  
  30. #define TEMPLATE_RESAMPLE_S16
  31. #include "resample_template.c"
  32. #undef TEMPLATE_RESAMPLE_S16
  33.  
  34. #define TEMPLATE_RESAMPLE_S32
  35. #include "resample_template.c"
  36. #undef TEMPLATE_RESAMPLE_S32
  37.  
  38. #define TEMPLATE_RESAMPLE_FLT
  39. #include "resample_template.c"
  40. #undef TEMPLATE_RESAMPLE_FLT
  41.  
  42. #define TEMPLATE_RESAMPLE_DBL
  43. #include "resample_template.c"
  44. #undef TEMPLATE_RESAMPLE_DBL
  45.  
  46. void swri_resample_dsp_init(ResampleContext *c)
  47. {
  48.     switch(c->format){
  49.     case AV_SAMPLE_FMT_S16P:
  50.         c->dsp.resample_one = resample_one_int16;
  51.         c->dsp.resample     = c->linear ? resample_linear_int16 : resample_common_int16;
  52.         break;
  53.     case AV_SAMPLE_FMT_S32P:
  54.         c->dsp.resample_one = resample_one_int32;
  55.         c->dsp.resample     = c->linear ? resample_linear_int32 : resample_common_int32;
  56.         break;
  57.     case AV_SAMPLE_FMT_FLTP:
  58.         c->dsp.resample_one = resample_one_float;
  59.         c->dsp.resample     = c->linear ? resample_linear_float : resample_common_float;
  60.         break;
  61.     case AV_SAMPLE_FMT_DBLP:
  62.         c->dsp.resample_one = resample_one_double;
  63.         c->dsp.resample     = c->linear ? resample_linear_double : resample_common_double;
  64.         break;
  65.     }
  66.  
  67.     if (ARCH_X86) swri_resample_dsp_x86_init(c);
  68. }
  69.