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
|
/* Swfdec
* Copyright (C) 2006-2008 Benjamin Otte <otte@gnome.org>
*
* This library 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.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef _SWFDEC_AUDIO_DECODER_H_
#define _SWFDEC_AUDIO_DECODER_H_
#include <swfdec/swfdec_buffer.h>
#include <swfdec/swfdec_audio_internal.h>
G_BEGIN_DECLS
#define SWFDEC_AUDIO_CODEC_UNDEFINED 0
#define SWFDEC_AUDIO_CODEC_ADPCM 1
#define SWFDEC_AUDIO_CODEC_MP3 2
#define SWFDEC_AUDIO_CODEC_UNCOMPRESSED 3
#define SWFDEC_AUDIO_CODEC_NELLYMOSER_16KHZ 4
#define SWFDEC_AUDIO_CODEC_NELLYMOSER_8KHZ 5
#define SWFDEC_AUDIO_CODEC_NELLYMOSER 6
#define SWFDEC_AUDIO_CODEC_ALAW 7
#define SWFDEC_AUDIO_CODEC_MULAW 8
#define SWFDEC_AUDIO_CODEC_AAC 10
#define SWFDEC_AUDIO_CODEC_SPEEX 11
#define SWFDEC_AUDIO_CODEC_MP3_8KHZ 14
typedef struct _SwfdecAudioDecoder SwfdecAudioDecoder;
typedef struct _SwfdecAudioDecoderClass SwfdecAudioDecoderClass;
#define SWFDEC_TYPE_AUDIO_DECODER (swfdec_audio_decoder_get_type())
#define SWFDEC_IS_AUDIO_DECODER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SWFDEC_TYPE_AUDIO_DECODER))
#define SWFDEC_IS_AUDIO_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SWFDEC_TYPE_AUDIO_DECODER))
#define SWFDEC_AUDIO_DECODER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SWFDEC_TYPE_AUDIO_DECODER, SwfdecAudioDecoder))
#define SWFDEC_AUDIO_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SWFDEC_TYPE_AUDIO_DECODER, SwfdecAudioDecoderClass))
#define SWFDEC_AUDIO_DECODER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), SWFDEC_TYPE_AUDIO_DECODER, SwfdecAudioDecoderClass))
struct _SwfdecAudioDecoder
{
GObject object;
/*< private >*/
guint codec; /* codec this decoder uses */
SwfdecAudioFormat format; /* format the codec was initialized with */
gboolean error; /* if this decoder is in an error state */
};
struct _SwfdecAudioDecoderClass
{
/*< private >*/
GObjectClass object_class;
/*< public >*/
gboolean (* prepare) (guint codec,
SwfdecAudioFormat format,
char ** missing);
SwfdecAudioDecoder * (* create) (guint codec,
SwfdecAudioFormat format);
void (* push) (SwfdecAudioDecoder * decoder,
SwfdecBuffer * buffer);
SwfdecBuffer * (* pull) (SwfdecAudioDecoder * decoder);
};
GType swfdec_audio_decoder_get_type (void);
void swfdec_audio_decoder_register (GType type);
gboolean swfdec_audio_decoder_prepare (guint codec,
SwfdecAudioFormat format,
char ** missing);
SwfdecAudioDecoder * swfdec_audio_decoder_new (guint codec,
SwfdecAudioFormat format);
void swfdec_audio_decoder_push (SwfdecAudioDecoder * decoder,
SwfdecBuffer * buffer);
SwfdecBuffer * swfdec_audio_decoder_pull (SwfdecAudioDecoder * decoder);
gboolean swfdec_audio_decoder_uses_format(SwfdecAudioDecoder * decoder,
guint codec,
SwfdecAudioFormat format);
/* for subclasses */
void swfdec_audio_decoder_error (SwfdecAudioDecoder * decoder,
const char * error,
...) G_GNUC_PRINTF (2, 3);
void swfdec_audio_decoder_errorv (SwfdecAudioDecoder * decoder,
const char * error,
va_list args);
G_END_DECLS
#endif
|
