1 /* GStreamer
2  * Copyright (C) 2006 Thomas Vander Stichele <thomas at apestaart dot org>
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_GDP_DEPAY_H__
21 #define __GST_GDP_DEPAY_H__
22 
23 #include <gst/gst.h>
24 #include <gst/base/gstadapter.h>
25 
26 G_BEGIN_DECLS
27 
28 #define GST_TYPE_GDP_DEPAY \
29   (gst_gdp_depay_get_type())
30 #define GST_GDP_DEPAY(obj) \
31   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GDP_DEPAY,GstGDPDepay))
32 #define GST_GDP_DEPAY_CLASS(klass) \
33   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GDP_DEPAY,GstGDPDepayClass))
34 #define GST_IS_GDP_DEPAY(obj) \
35   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GDP_DEPAY))
36 #define GST_IS_GDP_DEPAY_CLASS(klass) \
37   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GDP_DEPAY))
38 
39 typedef enum {
40   GST_GDP_DEPAY_STATE_HEADER = 0,
41   GST_GDP_DEPAY_STATE_PAYLOAD,
42   GST_GDP_DEPAY_STATE_BUFFER,
43   GST_GDP_DEPAY_STATE_CAPS,
44   GST_GDP_DEPAY_STATE_EVENT,
45 } GstGDPDepayState;
46 
47 
48 typedef struct _GstGDPDepay GstGDPDepay;
49 typedef struct _GstGDPDepayClass GstGDPDepayClass;
50 
51 /**
52  * GstGDPDepay:
53  *
54  * Private gdpdepay element structure.
55  */
56 struct _GstGDPDepay
57 {
58   GstElement element;
59   GstPad *sinkpad;
60   GstPad *srcpad;
61 
62   GstAdapter *adapter;
63   GstGDPDepayState state;
64   GstCaps *caps;
65 
66   guint8 *header;
67   guint32 payload_length;
68   GstDPPayloadType payload_type;
69 
70   gint64 ts_offset;
71 
72   GstAllocator *allocator;
73   GstAllocationParams allocation_params;
74 };
75 
76 struct _GstGDPDepayClass
77 {
78   GstElementClass parent_class;
79 };
80 
81 gboolean gst_gdp_depay_plugin_init (GstPlugin * plugin);
82 
83 GType gst_gdp_depay_get_type (void);
84 
85 G_END_DECLS
86 
87 #endif /* __GST_GDP_DEPAY_H__ */
88