1 | //roarmixer.h: |
---|
2 | /* GStreamer |
---|
3 | * Copyright (C) <2005> Arwed v. Merkatz <v.merkatz@gmx.net> |
---|
4 | * Copyright (C) <2008> Philipp 'ph3-der-loewe' Schafft |
---|
5 | * Copyright (C) <2009> Philipp 'ph3-der-loewe' Schafft |
---|
6 | * <lion@lion.leolix.org> |
---|
7 | * |
---|
8 | * roarmixer.h: an RoarAudio audio mixer |
---|
9 | * |
---|
10 | * This library is free software; you can redistribute it and/or |
---|
11 | * modify it under the terms of the GNU Library General Public |
---|
12 | * License as published by the Free Software Foundation; either |
---|
13 | * version 2 of the License, or (at your option) any later version. |
---|
14 | * |
---|
15 | * This library is distributed in the hope that it will be useful, |
---|
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
18 | * Library General Public License for more details. |
---|
19 | * |
---|
20 | * You should have received a copy of the GNU Library General Public |
---|
21 | * License along with this library; if not, write to the |
---|
22 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
---|
23 | * Boston, MA 02111-1307, USA. |
---|
24 | */ |
---|
25 | |
---|
26 | |
---|
27 | #ifndef __GST_ROARMIXER_H__ |
---|
28 | #define __GST_ROARMIXER_H__ |
---|
29 | |
---|
30 | #include <gst/gst.h> |
---|
31 | #include <gst/interfaces/mixer.h> |
---|
32 | #include <roaraudio.h> |
---|
33 | |
---|
34 | #define VERSION "0.0.1" |
---|
35 | #define PACKAGE "gst-plugins" |
---|
36 | #define GST_PACKAGE_ORIGIN "Unknown package origin" |
---|
37 | #define GST_PACKAGE_NAME "GStreamer Plug-ins source release" |
---|
38 | |
---|
39 | G_BEGIN_DECLS |
---|
40 | |
---|
41 | #define GST_ROAR_MIXER_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ROAR_MIXER_ELEMENT,GstRoarMixerElement)) |
---|
42 | #define GST_ROAR_MIXER_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ROAR_MIXER_ELEMENT,GstRoarMixerElementClass)) |
---|
43 | #define GST_IS_ROAR_MIXER_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ROAR_MIXER_ELEMENT)) |
---|
44 | #define GST_IS_ROAR_MIXER_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ROAR_MIXER_ELEMENT)) |
---|
45 | #define GST_TYPE_ROAR_MIXER_ELEMENT (gst_roar_mixer_element_get_type()) |
---|
46 | |
---|
47 | #define GST_TYPE_ROARMIXER_TRACK \ |
---|
48 | (gst_roarmixer_track_get_type ()) |
---|
49 | #define GST_ROARMIXER_TRACK(obj) \ |
---|
50 | (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_ROARMIXER_TRACK, \ |
---|
51 | GstRoarMixerTrack)) |
---|
52 | #define GST_ROARMIXER_TRACK_CLASS(klass) \ |
---|
53 | (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_ROARMIXER_TRACK, \ |
---|
54 | GstRoarMixerTrackClass)) |
---|
55 | #define GST_IS_ROARMIXER_TRACK(obj) \ |
---|
56 | (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_ROARMIXER_TRACK)) |
---|
57 | #define GST_IS_ROARMIXER_TRACK_CLASS(klass) \ |
---|
58 | (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_ROARMIXER_TRACK)) |
---|
59 | |
---|
60 | |
---|
61 | typedef struct _GstRoarMixerElement GstRoarMixerElement; |
---|
62 | typedef struct _GstRoarMixerElementClass GstRoarMixerElementClass; |
---|
63 | typedef struct _GstRoarMixer GstRoarMixer; |
---|
64 | |
---|
65 | struct _GstRoarMixerElement { |
---|
66 | GstElement parent; |
---|
67 | |
---|
68 | GstRoarMixer *mixer; |
---|
69 | }; |
---|
70 | |
---|
71 | struct _GstRoarMixerElementClass { |
---|
72 | GstElementClass parent; |
---|
73 | }; |
---|
74 | |
---|
75 | |
---|
76 | GType gst_roar_mixer_element_get_type (void); |
---|
77 | |
---|
78 | typedef enum { |
---|
79 | GST_ROAR_MIXER_CAPTURE = 1<<0, |
---|
80 | GST_ROAR_MIXER_PLAYBACK = 1<<1, |
---|
81 | GST_ROAR_MIXER_ALL = GST_ROAR_MIXER_CAPTURE | GST_ROAR_MIXER_PLAYBACK |
---|
82 | } GstRoarMixerDirection; |
---|
83 | |
---|
84 | |
---|
85 | #define GST_ROAR_MIXER(obj) ((GstRoarMixer*)(obj)) |
---|
86 | |
---|
87 | struct _GstRoarMixer { |
---|
88 | GList * tracklist; /* list of available tracks */ |
---|
89 | |
---|
90 | struct roar_connection con; |
---|
91 | int fd; |
---|
92 | gchar *host; |
---|
93 | |
---|
94 | gchar * device; |
---|
95 | gchar * cardname; |
---|
96 | GstRoarMixerDirection dir; |
---|
97 | }; |
---|
98 | |
---|
99 | typedef struct _GstRoarMixerTrack { |
---|
100 | GstMixerTrack parent; |
---|
101 | |
---|
102 | struct roar_mixer_settings mixer; |
---|
103 | gint channels; |
---|
104 | gchar * name; |
---|
105 | gint stream_id; |
---|
106 | } GstRoarMixerTrack; |
---|
107 | |
---|
108 | typedef struct _GstRoarMixerTrackClass { |
---|
109 | GstMixerTrackClass parent; |
---|
110 | } GstRoarMixerTrackClass; |
---|
111 | |
---|
112 | GType gst_roarmixer_get_type(void); |
---|
113 | gboolean gst_roarmixer_factory_init (GstPlugin *plugin); |
---|
114 | |
---|
115 | GstRoarMixer* gst_roarmixer_new (const gchar *device, |
---|
116 | GstRoarMixerDirection dir); |
---|
117 | void gst_roarmixer_free (GstRoarMixer *mixer); |
---|
118 | void gst_roarmixer_updatestreamlist (GstRoarMixer *mixer); |
---|
119 | |
---|
120 | const GList* gst_roarmixer_list_tracks (GstRoarMixer * mixer); |
---|
121 | void gst_roarmixer_set_volume (GstRoarMixer * mixer, |
---|
122 | GstMixerTrack * track, |
---|
123 | gint * volumes); |
---|
124 | void gst_roarmixer_get_volume (GstRoarMixer * mixer, |
---|
125 | GstMixerTrack * track, |
---|
126 | gint * volumes); |
---|
127 | void gst_roarmixer_set_record (GstRoarMixer * mixer, |
---|
128 | GstMixerTrack * track, |
---|
129 | gboolean record); |
---|
130 | void gst_roarmixer_set_mute (GstRoarMixer * mixer, |
---|
131 | GstMixerTrack * track, |
---|
132 | gboolean mute); |
---|
133 | |
---|
134 | GType gst_roarmixer_track_get_type (void); |
---|
135 | GstMixerTrack * |
---|
136 | gst_roarmixer_track_new (GstRoarMixer * mixer, |
---|
137 | gint stream_id); |
---|
138 | |
---|
139 | #define GST_IMPLEMENT_ROAR_MIXER_METHODS(Type, interface_as_function) \ |
---|
140 | static gboolean \ |
---|
141 | interface_as_function ## _supported (Type *this, GType iface_type) \ |
---|
142 | { \ |
---|
143 | g_assert (iface_type == GST_TYPE_MIXER); \ |
---|
144 | \ |
---|
145 | return (this->mixer != NULL); \ |
---|
146 | } \ |
---|
147 | \ |
---|
148 | static const GList* \ |
---|
149 | interface_as_function ## _list_tracks (GstMixer * mixer) \ |
---|
150 | { \ |
---|
151 | Type *this = (Type*) mixer; \ |
---|
152 | \ |
---|
153 | g_return_val_if_fail (this != NULL, NULL); \ |
---|
154 | g_return_val_if_fail (this->mixer != NULL, NULL); \ |
---|
155 | \ |
---|
156 | return gst_roarmixer_list_tracks (this->mixer); \ |
---|
157 | } \ |
---|
158 | \ |
---|
159 | static void \ |
---|
160 | interface_as_function ## _set_volume (GstMixer * mixer, GstMixerTrack * track, \ |
---|
161 | gint * volumes) \ |
---|
162 | { \ |
---|
163 | Type *this = (Type*) mixer; \ |
---|
164 | \ |
---|
165 | g_return_if_fail (this != NULL); \ |
---|
166 | g_return_if_fail (this->mixer != NULL); \ |
---|
167 | \ |
---|
168 | gst_roarmixer_set_volume (this->mixer, track, volumes); \ |
---|
169 | } \ |
---|
170 | \ |
---|
171 | static void \ |
---|
172 | interface_as_function ## _get_volume (GstMixer * mixer, GstMixerTrack * track, \ |
---|
173 | gint * volumes) \ |
---|
174 | { \ |
---|
175 | Type *this = (Type*) mixer; \ |
---|
176 | \ |
---|
177 | g_return_if_fail (this != NULL); \ |
---|
178 | g_return_if_fail (this->mixer != NULL); \ |
---|
179 | \ |
---|
180 | gst_roarmixer_get_volume (this->mixer, track, volumes); \ |
---|
181 | } \ |
---|
182 | \ |
---|
183 | static void \ |
---|
184 | interface_as_function ## _set_record (GstMixer * mixer, GstMixerTrack * track, \ |
---|
185 | gboolean record) \ |
---|
186 | { \ |
---|
187 | Type *this = (Type*) mixer; \ |
---|
188 | \ |
---|
189 | g_return_if_fail (this != NULL); \ |
---|
190 | g_return_if_fail (this->mixer != NULL); \ |
---|
191 | \ |
---|
192 | gst_roarmixer_set_record (this->mixer, track, record); \ |
---|
193 | } \ |
---|
194 | \ |
---|
195 | static void \ |
---|
196 | interface_as_function ## _set_mute (GstMixer * mixer, GstMixerTrack * track, \ |
---|
197 | gboolean mute) \ |
---|
198 | { \ |
---|
199 | Type *this = (Type*) mixer; \ |
---|
200 | \ |
---|
201 | g_return_if_fail (this != NULL); \ |
---|
202 | g_return_if_fail (this->mixer != NULL); \ |
---|
203 | \ |
---|
204 | gst_roarmixer_set_mute (this->mixer, track, mute); \ |
---|
205 | } \ |
---|
206 | \ |
---|
207 | static void \ |
---|
208 | interface_as_function ## _interface_init (GstMixerClass * klass) \ |
---|
209 | { \ |
---|
210 | GST_MIXER_TYPE (klass) = GST_MIXER_HARDWARE; \ |
---|
211 | \ |
---|
212 | /* set up the interface hooks */ \ |
---|
213 | klass->list_tracks = interface_as_function ## _list_tracks; \ |
---|
214 | klass->set_volume = interface_as_function ## _set_volume; \ |
---|
215 | klass->get_volume = interface_as_function ## _get_volume; \ |
---|
216 | klass->set_mute = interface_as_function ## _set_mute; \ |
---|
217 | klass->set_record = interface_as_function ## _set_record; \ |
---|
218 | } |
---|
219 | |
---|
220 | |
---|
221 | G_END_DECLS |
---|
222 | |
---|
223 | #endif /* __GST_ROARMIXER_H__ */ |
---|