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
|
/*
* Copyright (C) 2003-2010 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "audio_format.h"
#include <assert.h>
#include <stdio.h>
#if G_BYTE_ORDER == G_BIG_ENDIAN
#define REVERSE_ENDIAN_SUFFIX "_le"
#else
#define REVERSE_ENDIAN_SUFFIX "_be"
#endif
const char *
sample_format_to_string(enum sample_format format)
{
switch (format) {
case SAMPLE_FORMAT_UNDEFINED:
return "?";
case SAMPLE_FORMAT_S8:
return "8";
case SAMPLE_FORMAT_S16:
return "16";
case SAMPLE_FORMAT_S24_P32:
return "24";
case SAMPLE_FORMAT_S32:
return "32";
}
/* unreachable */
assert(false);
return "?";
}
const char *
audio_format_to_string(const struct audio_format *af,
struct audio_format_string *s)
{
assert(af != NULL);
assert(s != NULL);
snprintf(s->buffer, sizeof(s->buffer), "%u:%s%s:%u",
af->sample_rate, sample_format_to_string(af->format),
af->reverse_endian ? REVERSE_ENDIAN_SUFFIX : "",
af->channels);
return s->buffer;
}
|
