Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
Download
52867 views
1
/*
2
* audio resampling
3
* Copyright (c) 2004-2012 Michael Niedermayer <[email protected]>
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 <[email protected]>
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
70