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_SINK_H__
23 #define __GST_SHM_SINK_H__
24 
25 #include <gst/gst.h>
26 #include <gst/base/gstbasesink.h>
27 
28 #include "shmpipe.h"
29 
30 G_BEGIN_DECLS
31 #define GST_TYPE_SHM_SINK \
32   (gst_shm_sink_get_type())
33 #define GST_SHM_SINK(obj) \
34   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SHM_SINK,GstShmSink))
35 #define GST_SHM_SINK_CLASS(klass) \
36   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SHM_SINK,GstShmSinkClass))
37 #define GST_IS_SHM_SINK(obj) \
38   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SHM_SINK))
39 #define GST_IS_SHM_SINK_CLASS(klass) \
40   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SHM_SINK))
41 typedef struct _GstShmSink GstShmSink;
42 typedef struct _GstShmSinkClass GstShmSinkClass;
43 typedef struct _GstShmSinkAllocator GstShmSinkAllocator;
44 
45 struct _GstShmSink
46 {
47   GstBaseSink element;
48 
49   gchar *socket_path;
50 
51   ShmPipe *pipe;
52 
53   guint perms;
54   guint size;
55 
56   GList *clients;
57 
58   GThread *pollthread;
59   GstPoll *poll;
60   GstPollFD serverpollfd;
61 
62   gboolean wait_for_connection;
63   gboolean stop;
64   gboolean unlock;
65   GstClockTimeDiff buffer_time;
66 
67   GCond cond;
68 
69   GstShmSinkAllocator *allocator;
70 
71   GstAllocationParams params;
72 };
73 
74 struct _GstShmSinkClass
75 {
76   GstBaseSinkClass parent_class;
77 };
78 
79 GType gst_shm_sink_get_type (void);
80 
81 G_END_DECLS
82 #endif /* __GST_SHM_SINK_H__ */
83