1 /* GStreamer
2  * Copyright (C) <2009> Collabora Ltd
3  *  @author: Olivier Crete <olivier.crete@collabora.co.uk
4  * Copyright (C) <2009> Nokia Inc
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 #ifndef __GST_SHM_SRC_H__
23 #define __GST_SHM_SRC_H__
24 
25 #include <gst/gst.h>
26 #include <gst/base/gstpushsrc.h>
27 #include <gst/base/gstbasesrc.h>
28 
29 #include "shmpipe.h"
30 
31 G_BEGIN_DECLS
32 #define GST_TYPE_SHM_SRC \
33   (gst_shm_src_get_type())
34 #define GST_SHM_SRC(obj) \
35   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SHM_SRC,GstShmSrc))
36 #define GST_SHM_SRC_CLASS(klass) \
37   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SHM_SRC,GstShmSrcClass))
38 #define GST_IS_SHM_SRC(obj) \
39   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SHM_SRC))
40 #define GST_IS_SHM_SRC_CLASS(klass) \
41   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SHM_SRC))
42 typedef struct _GstShmSrc GstShmSrc;
43 typedef struct _GstShmSrcClass GstShmSrcClass;
44 typedef struct _GstShmPipe GstShmPipe;
45 
46 struct _GstShmSrc
47 {
48   GstPushSrc element;
49 
50   gchar *socket_path;
51 
52   GstShmPipe *pipe;
53   GstPoll *poll;
54   GstPollFD pollfd;
55 
56 
57   GstFlowReturn flow_return;
58   gboolean unlocked;
59 };
60 
61 struct _GstShmSrcClass
62 {
63   GstPushSrcClass parent_class;
64 };
65 
66 GType gst_shm_src_get_type (void);
67 
68 struct _GstShmPipe {
69   int use_count;
70 
71   GstShmSrc *src;
72   ShmPipe *pipe;
73 };
74 
75 G_END_DECLS
76 #endif /* __GST_SHM_SRC_H__ */
77