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
|
/*
* gsttimdity - timidity plugin for gstreamer
*
* Copyright 2007 Wouter Paesen <wouter@blue-gate.be>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* Wrapper element for libtimidity. This element works in pull
* based mode because that's essentially how libtimidity works.
* We create a libtimidity stream that operates on the srcpad.
* The sinkpad is in pull mode.
*/
#ifndef __GST_TIMIDITY_H__
#define __GST_TIMIDITY_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <timidity.h>
G_BEGIN_DECLS
#define GST_TYPE_TIMIDITY \
(gst_timidity_get_type())
#define GST_TIMIDITY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TIMIDITY,GstTimidity))
#define GST_TIMIDITY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TIMIDITY,GstTimidityClass))
#define GST_IS_TIMIDITY(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TIMIDITY))
#define GST_IS_TIMIDITY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TIMIDITY))
typedef struct _GstTimidity GstTimidity;
typedef struct _GstTimidityClass GstTimidityClass;
struct _GstTimidity
{
GstElement element;
GstPad *sinkpad, *srcpad;
gboolean initialized;
/* input stream properties */
gint64 mididata_size, mididata_offset;
gchar *mididata;
gboolean mididata_filled;
MidSong *song;
/* output data */
gboolean o_new_segment, o_segment_changed, o_seek;
GstSegment o_segment[1];
gint64 o_len;
/* format of the stream */
MidSongOptions song_options[1];
gint64 bytes_per_frame;
GstClockTime time_per_frame;
GstCaps *out_caps;
};
struct _GstTimidityClass
{
GstElementClass parent_class;
};
GType gst_timidity_get_type (void);
G_END_DECLS
#endif /* __GST_TIMIDITY_H__ */
|
