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
|
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2007-2008> Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __AUDIO_RESAMPLE_H__
#define __AUDIO_RESAMPLE_H__
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/audio/audio.h>
#include "speex_resampler_wrapper.h"
G_BEGIN_DECLS
#define GST_TYPE_AUDIO_RESAMPLE \
(gst_audio_resample_get_type())
#define GST_AUDIO_RESAMPLE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_RESAMPLE,GstAudioResample))
#define GST_AUDIO_RESAMPLE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_RESAMPLE,GstAudioResampleClass))
#define GST_IS_AUDIO_RESAMPLE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_RESAMPLE))
#define GST_IS_AUDIO_RESAMPLE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_RESAMPLE))
typedef struct _GstAudioResample GstAudioResample;
typedef struct _GstAudioResampleClass GstAudioResampleClass;
/**
* GstAudioResample:
*
* Opaque data structure.
*/
struct _GstAudioResample {
GstBaseTransform element;
/* <private> */
GstCaps *srccaps, *sinkcaps;
gboolean need_discont;
GstClockTime t0;
guint64 in_offset0;
guint64 out_offset0;
guint64 samples_in;
guint64 samples_out;
gint channels;
gint inrate;
gint outrate;
gint quality;
gint width;
gboolean fp;
guint8 *tmp_in;
guint tmp_in_size;
guint8 *tmp_out;
guint tmp_out_size;
SpeexResamplerState *state;
const SpeexResampleFuncs *funcs;
};
struct _GstAudioResampleClass {
GstBaseTransformClass parent_class;
};
GType gst_audio_resample_get_type(void);
G_END_DECLS
#endif /* __AUDIO_RESAMPLE_H__ */
|
