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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
/* GStreamer Mixer
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* mixeroptions.c: mixer track options object design
*
* 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.
*/
/**
* SECTION:gstmixeroptions
* @short_description: Multi-option mixer control
* @see_also: GstMixer, GstMixerTrack
*
* Mixer control object that allows switching between multiple options.
* Note that <classname>GstMixerOptions</classname> is a subclass of
* <classname>GstMixerTrack</classname>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "mixeroptions.h"
#if 0
enum
{
/* FILL ME */
SIGNAL_OPTION_CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
#endif
static void gst_mixer_options_class_init (GstMixerOptionsClass * klass);
static void gst_mixer_options_init (GstMixerOptions * mixer);
static void gst_mixer_options_dispose (GObject * object);
static GObjectClass *parent_class = NULL;
GType
gst_mixer_options_get_type (void)
{
static GType gst_mixer_options_type = 0;
if (!gst_mixer_options_type) {
static const GTypeInfo mixer_options_info = {
sizeof (GstMixerOptionsClass),
NULL,
NULL,
(GClassInitFunc) gst_mixer_options_class_init,
NULL,
NULL,
sizeof (GstMixerOptions),
0,
(GInstanceInitFunc) gst_mixer_options_init,
NULL
};
gst_mixer_options_type =
g_type_register_static (GST_TYPE_MIXER_TRACK,
"GstMixerOptions", &mixer_options_info, 0);
}
return gst_mixer_options_type;
}
static void
gst_mixer_options_class_init (GstMixerOptionsClass * klass)
{
GObjectClass *object_klass = (GObjectClass *) klass;
parent_class = g_type_class_peek_parent (klass);
#if 0
signals[SIGNAL_OPTION_CHANGED] =
g_signal_new ("option_changed", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstMixerOptionsClass, option_changed),
NULL, NULL, g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1, G_TYPE_STRING);
#endif
object_klass->dispose = gst_mixer_options_dispose;
}
static void
gst_mixer_options_init (GstMixerOptions * mixer_options)
{
mixer_options->values = NULL;
}
/**
* gst_mixer_options_get_values:
* @mixer_options: The #GstMixerOptions item that owns the values.
*
* Get the values for the mixer option.
*
* Returns: A list of strings with all the possible values for the mixer
* option. You must not free or modify the list or its contents, it belongs
* to the @mixer_options object.
*/
GList *
gst_mixer_options_get_values (GstMixerOptions * mixer_options)
{
GstMixerOptionsClass *klass;
GList *ret = NULL;
g_return_val_if_fail (GST_IS_MIXER_OPTIONS (mixer_options), NULL);
klass = GST_MIXER_OPTIONS_GET_CLASS (mixer_options);
if (klass->get_values != NULL) {
ret = klass->get_values (mixer_options);
} else {
ret = mixer_options->values;
}
return ret;
}
static void
gst_mixer_options_dispose (GObject * object)
{
GstMixerOptions *opts = GST_MIXER_OPTIONS (object);
g_list_foreach (opts->values, (GFunc) g_free, NULL);
g_list_free (opts->values);
opts->values = NULL;
if (parent_class->dispose)
parent_class->dispose (object);
}
|
