1 /* GSequencer - Advanced GTK Sequencer
2  * Copyright (C) 2005-2020 Joël Krähemann
3  *
4  * This file is part of GSequencer.
5  *
6  * GSequencer is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * GSequencer is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with GSequencer.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef __AGS_PULSE_SERVER_H__
21 #define __AGS_PULSE_SERVER_H__
22 
23 #include <glib.h>
24 #include <glib-object.h>
25 
26 #include <ags/ags_api_config.h>
27 
28 #if defined(AGS_WITH_PULSE)
29 #include <pulse/pulseaudio.h>
30 #include <pulse/stream.h>
31 #include <pulse/error.h>
32 #endif
33 
34 #include <ags/libags.h>
35 
36 G_BEGIN_DECLS
37 
38 #define AGS_TYPE_PULSE_SERVER                (ags_pulse_server_get_type())
39 #define AGS_PULSE_SERVER(obj)                (G_TYPE_CHECK_INSTANCE_CAST((obj), AGS_TYPE_PULSE_SERVER, AgsPulseServer))
40 #define AGS_PULSE_SERVER_CLASS(class)        (G_TYPE_CHECK_CLASS_CAST(class, AGS_TYPE_PULSE_SERVER, AgsPulseServer))
41 #define AGS_IS_PULSE_SERVER(obj)             (G_TYPE_CHECK_INSTANCE_TYPE ((obj), AGS_TYPE_PULSE_SERVER))
42 #define AGS_IS_PULSE_SERVER_CLASS(class)     (G_TYPE_CHECK_CLASS_TYPE ((class), AGS_TYPE_PULSE_SERVER))
43 #define AGS_PULSE_SERVER_GET_CLASS(obj)      (G_TYPE_INSTANCE_GET_CLASS(obj, AGS_TYPE_PULSE_SERVER, AgsPulseServerClass))
44 
45 #define AGS_PULSE_SERVER_GET_OBJ_MUTEX(obj) (&(((AgsPulseServer *) obj)->obj_mutex))
46 
47 typedef struct _AgsPulseServer AgsPulseServer;
48 typedef struct _AgsPulseServerClass AgsPulseServerClass;
49 
50 /**
51  * AgsPulseServerFlags:
52  * @AGS_PULSE_SERVER_ADDED_TO_REGISTRY: the pulseaudio server was added to registry, see #AgsConnectable::add_to_registry()
53  * @AGS_PULSE_SERVER_CONNECTED: indicates the server was connected by calling #AgsConnectable::connect()
54  *
55  * Enum values to control the behavior or indicate internal state of #AgsPulseServer by
56  * enable/disable as flags.
57  */
58 typedef enum{
59   AGS_PULSE_SERVER_ADDED_TO_REGISTRY  = 1,
60   AGS_PULSE_SERVER_CONNECTED          = 1 <<  1,
61 }AgsPulseServerFlags;
62 
63 struct _AgsPulseServer
64 {
65   GObject gobject;
66 
67   guint flags;
68 
69   GRecMutex obj_mutex;
70 
71   volatile gboolean running;
72   GThread *thread;
73 
74   AgsApplicationContext *application_context;
75 
76   AgsUUID *uuid;
77 
78 #if defined(AGS_WITH_PULSE)
79   pa_mainloop *main_loop;
80   pa_mainloop_api *main_loop_api;
81 #else
82   gpointer main_loop;
83   gpointer main_loop_api;
84 #endif
85 
86   gchar *url;
87 
88   guint *port;
89   guint port_count;
90 
91   guint n_soundcards;
92   guint n_sequencers;
93 
94   GObject *default_soundcard;
95 
96   GObject *default_client;
97   GList *client;
98 };
99 
100 struct _AgsPulseServerClass
101 {
102   GObjectClass gobject;
103 };
104 
105 GType ags_pulse_server_get_type();
106 
107 gboolean ags_pulse_server_test_flags(AgsPulseServer *pulse_server, guint flags);
108 void ags_pulse_server_set_flags(AgsPulseServer *pulse_server, guint flags);
109 void ags_pulse_server_unset_flags(AgsPulseServer *pulse_server, guint flags);
110 
111 GList* ags_pulse_server_find_url(GList *pulse_server,
112 				 gchar *url);
113 
114 GObject* ags_pulse_server_find_client(AgsPulseServer *pulse_server,
115 				      gchar *client_uuid);
116 
117 GObject* ags_pulse_server_find_port(AgsPulseServer *pulse_server,
118 				    gchar *port_uuid);
119 
120 void ags_pulse_server_add_client(AgsPulseServer *pulse_server,
121 				 GObject *pulse_client);
122 void ags_pulse_server_remove_client(AgsPulseServer *pulse_server,
123 				    GObject *pulse_client);
124 
125 void ags_pulse_server_connect_client(AgsPulseServer *pulse_server);
126 void ags_pulse_server_disconnect_client(AgsPulseServer *pulse_server);
127 
128 void ags_pulse_server_start_poll(AgsPulseServer *pulse_server);
129 
130 AgsPulseServer* ags_pulse_server_new(gchar *url);
131 
132 G_END_DECLS
133 
134 #endif /*__AGS_PULSE_SERVER_H__*/
135