1 /* GSequencer - Advanced GTK Sequencer
2  * Copyright (C) 2005-2019 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_INPUT_H__
21 #define __AGS_INPUT_H__
22 
23 #include <glib.h>
24 #include <glib-object.h>
25 
26 #include <ags/libags.h>
27 
28 #include <ags/audio/ags_channel.h>
29 
30 G_BEGIN_DECLS
31 
32 #define AGS_TYPE_INPUT                (ags_input_get_type())
33 #define AGS_INPUT(obj)                (G_TYPE_CHECK_INSTANCE_CAST((obj), AGS_TYPE_INPUT, AgsInput))
34 #define AGS_INPUT_CLASS(class)        (G_TYPE_CHECK_CLASS_CAST((class), AGS_TYPE_INPUT, AgsInputClass))
35 #define AGS_IS_INPUT(obj)             (G_TYPE_CHECK_INSTANCE_TYPE((obj), AGS_TYPE_INPUT))
36 #define AGS_IS_INPUT_CLASS(class)     (G_TYPE_CHECK_CLASS_TYPE((class), AGS_TYPE_INPUT))
37 #define AGS_INPUT_GET_CLASS(obj)      (G_TYPE_INSTANCE_GET_CLASS((obj), AGS_TYPE_INPUT, AgsInputClass))
38 
39 #define AGS_INPUT_SYNTH_BASE_NOTE (-48.0)
40 
41 typedef struct _AgsInput AgsInput;
42 typedef struct _AgsInputClass AgsInputClass;
43 
44 struct _AgsInput
45 {
46   AgsChannel channel;
47 
48   GObject *file_link;
49 
50   GList *synth_generator;
51 };
52 
53 struct _AgsInputClass
54 {
55   AgsChannelClass channel;
56 };
57 
58 GType ags_input_get_type();
59 
60 /* dispatcher helper */
61 gboolean ags_input_is_active(AgsInput *input,
62 			     GObject *recycling_context);
63 
64 AgsInput* ags_input_next_active(AgsInput *input,
65 				GObject *recycling_context);
66 
67 /* synth generator */
68 void ags_input_add_synth_generator(AgsInput *input,
69 				   GObject *synth_generator);
70 void ags_input_remove_synth_generator(AgsInput *input,
71 				      GObject *synth_generator);
72 
73 /* open file */
74 gboolean ags_input_open_file(AgsInput *input,
75 			     gchar *filename,
76 			     gchar *preset,
77 			     gchar *instrument,
78 			     gchar *sample,
79 			     guint audio_channel);
80 
81 /* instantiate */
82 AgsInput* ags_input_new(GObject *audio);
83 
84 G_END_DECLS
85 
86 #endif /*__AGS_INPUT_H__*/
87