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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 | } |