1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/* GStreamer
* Copyright (C) 2001 Wim Taymans <wim.taymans@chello.be>
* 2004 Edward Hervey <bilboed@bilboed.com>
*
* gnloperation.h: Header for base GnlOperation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GNL_OPERATION_H__
#define __GNL_OPERATION_H__
#include <gst/gst.h>
#include "gnlobject.h"
G_BEGIN_DECLS
#define GNL_TYPE_OPERATION \
(gnl_operation_get_type())
#define GNL_OPERATION(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GNL_TYPE_OPERATION,GnlOperation))
#define GNL_OPERATION_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GNL_TYPE_OPERATION,GnlOperationClass))
#define GNL_IS_OPERATION(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GNL_TYPE_OPERATION))
#define GNL_IS_OPERATION_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GNL_TYPE_OPERATION))
struct _GnlOperation
{
GnlObject parent;
/* <private> */
/* num_sinks:
* Number of sink inputs of the controlled element.
* -1 if the sink pads are dynamic */
gint num_sinks;
/* TRUE if element has request pads */
gboolean dynamicsinks;
/* realsinks:
* Number of sink pads currently used on the contolled element. */
gint realsinks;
/* FIXME : We might need to use a lock to access this list */
GList * sinks; /* The sink ghostpads */
GstPad *ghostpad; /* src ghostpad */
GstElement *element; /* controlled element */
};
struct _GnlOperationClass
{
GnlObjectClass parent_class;
void (*input_priority_changed) (GnlOperation * operation, GstPad *pad, guint32 priority);
};
GstPad * get_unlinked_sink_ghost_pad (GnlOperation * operation);
void
gnl_operation_signal_input_priority_changed(GnlOperation * operation, GstPad *pad,
guint32 priority);
/* normal GOperation stuff */
GType gnl_operation_get_type (void);
G_END_DECLS
#endif /* __GNL_OPERATION_H__ */
|
