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1 /* GStreamer OSS4 audio sink
2  * Copyright (C) 2007-2008 Tim-Philipp Müller <tim centricular net>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 
20 #ifndef GST_OSS4_SINK_H
21 #define GST_OSS4_SINK_H
22 
23 
24 #include <gst/gst.h>
25 #include <gst/audio/gstaudiosink.h>
26 
27 G_BEGIN_DECLS
28 
29 #define GST_TYPE_OSS4_SINK            (gst_oss4_sink_get_type())
30 #define GST_OSS4_SINK(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OSS4_SINK,GstOss4Sink))
31 #define GST_OSS4_SINK_CAST(obj)       ((GstOss4Sink *)(obj))
32 #define GST_OSS4_SINK_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSS4_SINK,GstOss4SinkClass))
33 #define GST_IS_OSS4_SINK(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OSS4_SINK))
34 #define GST_IS_OSS4_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OSS4_SINK))
35 
36 typedef struct _GstOss4Sink GstOss4Sink;
37 typedef struct _GstOss4SinkClass GstOss4SinkClass;
38 
39 struct _GstOss4Sink {
40   GstAudioSink  audio_sink;
41 
42   gchar       * device;             /* NULL if none was set      */
43   gchar       * open_device;        /* the device we opened      */
44   gchar       * device_name;        /* set if the device is open */
45   gint          fd;                 /* -1 if not open            */
46   gint          bytes_per_sample;
47   gint          mute_volume;
48 
49   GstCaps     * probed_caps;
50 };
51 
52 struct _GstOss4SinkClass {
53   GstAudioSinkClass audio_sink_class;
54 };
55 
56 GType  gst_oss4_sink_get_type (void);
57 GST_ELEMENT_REGISTER_DECLARE (oss4sink);
58 
59 G_END_DECLS
60 
61 #endif /* GST_OSS4_SINK_H */
62 
63 
64