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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/*
* Copyright (C) 2003-2014 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 "config.h"
#include "encoder/EncoderList.hxx"
#include "encoder/EncoderPlugin.hxx"
#include "AudioFormat.hxx"
#include "config/ConfigData.hxx"
#include "stdbin.h"
#include "tag/Tag.hxx"
#include "tag/TagBuilder.hxx"
#include "util/Error.hxx"
#include <stddef.h>
#include <unistd.h>
static uint8_t zero[256];
static void
encoder_to_stdout(Encoder &encoder)
{
size_t length;
static char buffer[32768];
while ((length = encoder_read(&encoder, buffer, sizeof(buffer))) > 0) {
gcc_unused ssize_t ignored = write(1, buffer, length);
}
}
int
main(gcc_unused int argc, gcc_unused char **argv)
{
gcc_unused bool success;
/* create the encoder */
const auto plugin = encoder_plugin_get("vorbis");
assert(plugin != NULL);
config_param param;
param.AddBlockParam("quality", "5.0", -1);
const auto encoder = encoder_init(*plugin, param, IgnoreError());
assert(encoder != NULL);
/* open the encoder */
AudioFormat audio_format(44100, SampleFormat::S16, 2);
success = encoder_open(encoder, audio_format, IgnoreError());
assert(success);
encoder_to_stdout(*encoder);
/* write a block of data */
success = encoder_write(encoder, zero, sizeof(zero), IgnoreError());
assert(success);
encoder_to_stdout(*encoder);
/* write a tag */
success = encoder_pre_tag(encoder, IgnoreError());
assert(success);
encoder_to_stdout(*encoder);
Tag tag;
{
TagBuilder tag_builder;
tag_builder.AddItem(TAG_ARTIST, "Foo");
tag_builder.AddItem(TAG_TITLE, "Bar");
tag_builder.Commit(tag);
}
success = encoder_tag(encoder, &tag, IgnoreError());
assert(success);
encoder_to_stdout(*encoder);
/* write another block of data */
success = encoder_write(encoder, zero, sizeof(zero), IgnoreError());
assert(success);
/* finish */
success = encoder_end(encoder, IgnoreError());
assert(success);
encoder_to_stdout(*encoder);
encoder_close(encoder);
encoder_finish(encoder);
}
|
