| 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 | } |