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1 /* GStreamer
2  * Copyright (C)  2007 Sebastien Moutte <sebastien@moutte.net>
3  *
4  * gstdshowaudiosrc.h:
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., 51 Franklin St, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 
23 #ifndef __GST_DSHOWAUDIOSRC_H__
24 #define __GST_DSHOWAUDIOSRC_H__
25 
26 #include <gst/gst.h>
27 #include <gst/audio/gstaudiosrc.h>
28 
29 #include "gstdshow.h"
30 #include "gstdshowfakesink.h"
31 
32 G_BEGIN_DECLS
33 #define GST_TYPE_DSHOWAUDIOSRC              (gst_dshowaudiosrc_get_type())
34 #define GST_DSHOWAUDIOSRC(obj)              (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DSHOWAUDIOSRC,GstDshowAudioSrc))
35 #define GST_DSHOWAUDIOSRC_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DSHOWAUDIOSRC,GstDshowAudioSrcClass))
36 #define GST_IS_DSHOWAUDIOSRC(obj)           (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DSHOWAUDIOSRC))
37 #define GST_IS_DSHOWAUDIOSRC_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DSHOWAUDIOSRC))
38 typedef struct _GstDshowAudioSrc GstDshowAudioSrc;
39 typedef struct _GstDshowAudioSrcClass GstDshowAudioSrcClass;
40 
41 struct _GstDshowAudioSrc
42 {
43   GstAudioSrc src;
44 
45   /* device dshow reference (generally classid/name) */
46   gchar *device;
47 
48   /* device friendly name */
49   gchar *device_name;
50 
51   /* device index */
52   gint device_index;
53 
54   /* list of caps created from the list of supported media types of the dshow capture filter */
55   GstCaps *caps;
56 
57   /* list of dshow media types filter's pins mediatypes */
58   GList *pins_mediatypes;
59 
60   /* dshow audio capture filter */
61   IBaseFilter *audio_cap_filter;
62 
63   /* dshow fakesink filter */
64   CDshowFakeSink *dshow_fakesink;
65 
66   /* graph manager interfaces */
67   IMediaFilter *media_filter;
68   IFilterGraph *filter_graph;
69 
70   /* bytes array */
71   GByteArray *gbarray;
72   GMutex gbarray_lock;
73 
74   gboolean is_running;
75 };
76 
77 struct _GstDshowAudioSrcClass
78 {
79   GstAudioSrcClass parent_class;
80 };
81 
82 GType gst_dshowaudiosrc_get_type (void);
83 
84 G_END_DECLS
85 #endif /* __GST_DSHOWAUDIOSRC_H__ */
86