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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/* MATE Volume Control
* Copyright (C) 2003-2004 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* main.c: intialization, window setup
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <getopt.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include <gio/gio.h>
#include <gst/gst.h>
#include <gst/audio/mixerutils.h>
#include "schemas.h"
#include "window.h"
static gchar* page = NULL;
static GOptionEntry entries[] =
{
{ "page", 'p', 0, G_OPTION_ARG_STRING, &page, N_("Startup page"), "playback|recording|switches|options" }
};
/*
* Probe for mixer elements. Set up GList * with elements,
* where each element has a GObject data node set of the
* name "mate-volume-control-name" with the value being
* the human-readable name of the element.
*
* All elements in the returned GList * are in state
* GST_STATE_NULL.
*/
static gboolean
mixer_filter_func (GstMixer * mixer, gpointer user_data)
{
GstElementFactory *factory;
const gchar *long_name;
gchar *devname = NULL;
gchar *name;
gint *p_count = (gint *) user_data;
/* fetch name */
if (g_object_class_find_property (G_OBJECT_GET_CLASS (G_OBJECT (mixer)),
"device-name")) {
g_object_get (mixer, "device-name", &devname, NULL);
GST_DEBUG ("device name: %s", GST_STR_NULL (devname));
} else {
devname = NULL;
GST_DEBUG ("device name unknown, no 'device-name' property");
}
factory = gst_element_get_factory (GST_ELEMENT (mixer));
long_name = gst_element_factory_get_longname (factory);
if (devname) {
name = g_strdup_printf ("%s (%s)", devname, long_name);
g_free (devname);
} else {
gchar *title;
*p_count += 1;
title = g_strdup_printf (_("Unknown Volume Control %d"), *p_count);
name = g_strdup_printf ("%s (%s)", title, long_name);
g_free (title);
}
g_object_set_data_full (G_OBJECT (mixer),
"mate-volume-control-name",
name,
(GDestroyNotify) g_free);
GST_DEBUG ("Adding '%s' to list of available mixers", name);
gst_element_set_state (GST_ELEMENT (mixer), GST_STATE_NULL);
return TRUE; /* add mixer to list */
}
static GList *
create_mixer_collection (void)
{
GList *mixer_list;
gint counter = 0;
mixer_list = gst_audio_default_registry_mixer_filter (mixer_filter_func,
FALSE,
&counter);
return mixer_list;
}
static void
cb_destroy (GtkWidget *widget,
gpointer data)
{
gtk_main_quit ();
}
static void
cb_check_resize (GtkContainer *container,
gpointer user_data)
{
GSettings *settings;
gint width, height;
settings = g_settings_new (MATE_VOLUME_CONTROL_SCHEMA);
gtk_window_get_size (GTK_WINDOW (container), &width, &height);
g_settings_set_int (settings, MATE_VOLUME_CONTROL_KEY_WINDOW_WIDTH, width);
g_settings_set_int (settings, MATE_VOLUME_CONTROL_KEY_WINDOW_HEIGHT, height);
g_object_unref (settings);
}
gint
main (gint argc,
gchar *argv[])
{
GOptionContext *ctx;
GtkWidget *win;
GList *elements;
/* i18n */
bindtextdomain (GETTEXT_PACKAGE, MATELOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
g_thread_init (NULL);
ctx = g_option_context_new ("mate-volume-control");
g_option_context_add_main_entries(ctx, entries, GETTEXT_PACKAGE);
g_option_context_add_group (ctx, gst_init_get_option_group ());
g_option_context_parse(ctx, &argc, &argv, NULL);
g_option_context_free(ctx);
gtk_init (&argc, &argv);
gtk_window_set_default_icon_name ("multimedia-volume-control");
if (!(elements = create_mixer_collection ())) {
win = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
_("No volume control GStreamer plugins and/or devices found."));
gtk_widget_show (win);
gtk_dialog_run (GTK_DIALOG (win));
gtk_widget_destroy (win);
return -1;
}
/* window contains everything automagically */
win = mate_volume_control_window_new (elements);
if (page != NULL)
mate_volume_control_window_set_page(win, page);
g_signal_connect (win, "destroy", G_CALLBACK (cb_destroy), NULL);
g_signal_connect (win, "check_resize", G_CALLBACK (cb_check_resize), NULL);
gtk_widget_show (win);
gtk_main ();
return 0;
}
|
