Main Page
Related Pages
Modules
Data Structures
Files
Examples
File List
Globals
libavcodec
audioconvert.h
Go to the documentation of this file.
1
/*
2
* audio conversion
3
* Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
4
* Copyright (c) 2008 Peter Ross
5
*
6
* This file is part of Libav.
7
*
8
* Libav is free software; you can redistribute it and/or
9
* modify it under the terms of the GNU Lesser General Public
10
* License as published by the Free Software Foundation; either
11
* version 2.1 of the License, or (at your option) any later version.
12
*
13
* Libav is distributed in the hope that it will be useful,
14
* but WITHOUT ANY WARRANTY; without even the implied warranty of
15
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16
* Lesser General Public License for more details.
17
*
18
* You should have received a copy of the GNU Lesser General Public
19
* License along with Libav; if not, write to the Free Software
20
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21
*/
22
23
#ifndef AVCODEC_AUDIOCONVERT_H
24
#define AVCODEC_AUDIOCONVERT_H
25
32
#include "
libavutil/cpu.h
"
33
#include "
avcodec.h
"
34
#include "
libavutil/audioconvert.h
"
35
36
#if FF_API_OLD_SAMPLE_FMT
37
40
attribute_deprecated
41
void
avcodec_sample_fmt_string(
char
*buf,
int
buf_size,
int
sample_fmt);
42
46
attribute_deprecated
47
const
char
*avcodec_get_sample_fmt_name(
int
sample_fmt);
48
52
attribute_deprecated
53
enum
AVSampleFormat
avcodec_get_sample_fmt(
const
char
*
name
);
54
#endif
55
56
#if FF_API_OLD_AUDIOCONVERT
57
60
attribute_deprecated
61
int64_t avcodec_get_channel_layout(
const
char
*
name
);
62
66
attribute_deprecated
67
void
avcodec_get_channel_layout_string(
char
*buf,
int
buf_size,
int
nb_channels
, int64_t channel_layout);
68
72
attribute_deprecated
73
int
avcodec_channel_layout_num_channels(int64_t channel_layout);
74
#endif
75
83
uint64_t
avcodec_guess_channel_layout
(
int
nb_channels
,
enum
CodecID
codec_id
,
const
char
*fmt_name);
84
85
struct
AVAudioConvert
;
86
typedef
struct
AVAudioConvert
AVAudioConvert
;
87
98
AVAudioConvert
*
av_audio_convert_alloc
(
enum
AVSampleFormat
out_fmt,
int
out_channels
,
99
enum
AVSampleFormat
in_fmt,
int
in_channels
,
100
const
float
*matrix,
int
flags
);
101
105
void
av_audio_convert_free
(
AVAudioConvert
*ctx);
106
115
int
av_audio_convert
(
AVAudioConvert
*ctx,
116
void
*
const
out[6],
const
int
out_stride[6],
117
const
void
*
const
in[6],
const
int
in_stride[6],
int
len
);
118
119
#endif
/* AVCODEC_AUDIOCONVERT_H */