1 /* GStreamer
2  * Copyright (C) 2016 Hyunjun Ko <zzoon@igalia.com>
3  *
4  * gstosxaudiodeviceeprovider.h: OSX audio probing and monitoring
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library 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 GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public
17  * License along with this library; if not, write to the
18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19  * Boston, MA 02111-1307, USA.
20  */
21 
22 
23 #ifndef __GST_OSX_AUDIO_DEIVCE_PROVIDER_H__
24 #define __GST_OSX_AUDIO_DEIVCE_PROVIDER_H__
25 
26 #ifdef HAVE_CONFIG_H
27 #include "config.h"
28 #endif
29 
30 #include <gst/gst.h>
31 #include "gstosxcoreaudiocommon.h"
32 
33 G_BEGIN_DECLS
34 typedef struct _GstOsxAudioDeviceProvider GstOsxAudioDeviceProvider;
35 typedef struct _GstOsxAudioDeviceProviderClass GstOsxAudioDeviceProviderClass;
36 
37 #define GST_TYPE_OSX_AUDIO_DEVICE_PROVIDER                 (gst_osx_audio_device_provider_get_type())
38 #define GST_IS_OSX_AUDIO_DEVICE_PROVIDER(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_OSX_AUDIO_DEVICE_PROVIDER))
39 #define GST_IS_OSX_AUDIO_DEVICE_PROVIDER_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_OSX_AUDIO_DEVICE_PROVIDER))
40 #define GST_OSX_AUDIO_DEVICE_PROVIDER_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_OSX_AUDIO_DEVICE_PROVIDER, GstOsxAudioDeviceProviderClass))
41 #define GST_OSX_AUDIO_DEVICE_PROVIDER(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_OSX_AUDIO_DEVICE_PROVIDER, GstOsxAudioDeviceProvider))
42 #define GST_OSX_AUDIO_DEVICE_PROVIDER_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE_PROVIDER, GstOsxAudioDeviceProviderClass))
43 #define GST_OSX_AUDIO_DEVICE_PROVIDER_CAST(obj)            ((GstOsxAudioDeviceProvider *)(obj))
44 
45 struct _GstOsxAudioDeviceProvider
46 {
47   GstDeviceProvider parent;
48 };
49 
50 struct _GstOsxAudioDeviceProviderClass
51 {
52   GstDeviceProviderClass parent_class;
53 };
54 
55 GType gst_osx_audio_device_provider_get_type (void);
56 
57 typedef struct _GstOsxAudioDevice GstOsxAudioDevice;
58 typedef struct _GstOsxAudioDeviceClass GstOsxAudioDeviceClass;
59 
60 #define GST_TYPE_OSX_AUDIO_DEVICE                 (gst_osx_audio_device_get_type())
61 #define GST_IS_OSX_AUDIO_DEVICE(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_OSX_AUDIO_DEVICE))
62 #define GST_IS_OSX_AUDIO_DEVICE_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_OSX_AUDIO_DEVICE))
63 #define GST_OSX_AUDIO_DEVICE_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_OSX_AUDIO_DEVICE, GstOsxAudioClass))
64 #define GST_OSX_AUDIO_DEVICE(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_OSX_AUDIO_DEVICE, GstOsxAudioDevice))
65 #define GST_OSX_AUDIO_DEVICE_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE, GstOsxAudioDeviceClass))
66 #define GST_OSX_AUDIO_DEVICE_CAST(obj)            ((GstOsxAudioDevice *)(obj))
67 
68 typedef enum
69 {
70   GST_OSX_AUDIO_DEVICE_TYPE_INVALID = 0,
71   GST_OSX_AUDIO_DEVICE_TYPE_SOURCE,
72   GST_OSX_AUDIO_DEVICE_TYPE_SINK
73 } GstOsxAudioDeviceType;
74 
75 struct _GstOsxAudioDevice
76 {
77   GstDevice parent;
78 
79   const gchar *element;
80   AudioDeviceID device_id;
81 };
82 
83 struct _GstOsxAudioDeviceClass
84 {
85   GstDeviceClass parent_class;
86 };
87 
88 GType gst_osx_audio_device_get_type (void);
89 
90 G_END_DECLS
91 #endif /* __GST_OSX_AUDIO_DEIVCE_PROVIDER_H__ */
92