File: resample_dsp.c

package info (click to toggle)
ffmpeg 7:3.2.5-1~bpo8+1
  • links: PTS, VCS
  • area: main
  • in suites: jessie-backports
  • size: 72,224 kB
  • sloc: ansic: 927,948; asm: 77,498; sh: 7,731; makefile: 3,652; cpp: 1,504; objc: 1,069; perl: 986; python: 49
file content (69 lines) | stat: -rw-r--r-- 2,248 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
/*
 * audio resampling
 * Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

/**
 * @file
 * audio resampling
 * @author Michael Niedermayer <michaelni@gmx.at>
 */

#include "resample.h"

#define TEMPLATE_RESAMPLE_S16
#include "resample_template.c"
#undef TEMPLATE_RESAMPLE_S16

#define TEMPLATE_RESAMPLE_S32
#include "resample_template.c"
#undef TEMPLATE_RESAMPLE_S32

#define TEMPLATE_RESAMPLE_FLT
#include "resample_template.c"
#undef TEMPLATE_RESAMPLE_FLT

#define TEMPLATE_RESAMPLE_DBL
#include "resample_template.c"
#undef TEMPLATE_RESAMPLE_DBL

void swri_resample_dsp_init(ResampleContext *c)
{
    switch(c->format){
    case AV_SAMPLE_FMT_S16P:
        c->dsp.resample_one = resample_one_int16;
        c->dsp.resample     = c->linear ? resample_linear_int16 : resample_common_int16;
        break;
    case AV_SAMPLE_FMT_S32P:
        c->dsp.resample_one = resample_one_int32;
        c->dsp.resample     = c->linear ? resample_linear_int32 : resample_common_int32;
        break;
    case AV_SAMPLE_FMT_FLTP:
        c->dsp.resample_one = resample_one_float;
        c->dsp.resample     = c->linear ? resample_linear_float : resample_common_float;
        break;
    case AV_SAMPLE_FMT_DBLP:
        c->dsp.resample_one = resample_one_double;
        c->dsp.resample     = c->linear ? resample_linear_double : resample_common_double;
        break;
    }

    if (ARCH_X86) swri_resample_dsp_x86_init(c);
    else if (ARCH_ARM) swri_resample_dsp_arm_init(c);
}