1/* GStreamer
2 * Copyright (C) 1999,2000 Erik Walthinsen <[email protected]>
3 * 2000 Wim Taymans <[email protected]>
4 * 2005 Andy Wingo <[email protected]>
5 *
6 * gstghostpad.h: Proxy pads
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 */
23
24
25#ifndef __GST_GHOST_PAD_H__
26#define __GST_GHOST_PAD_H__
27
28
29#include <gst/gstpad.h>
30
31
32G_BEGIN_DECLS
33
34#define GST_TYPE_PROXY_PAD (gst_proxy_pad_get_type ())
35#define GST_IS_PROXY_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PROXY_PAD))
36#define GST_IS_PROXY_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PROXY_PAD))
37#define GST_PROXY_PAD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PROXY_PAD, GstProxyPad))
38#define GST_PROXY_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PROXY_PAD, GstProxyPadClass))
39
40typedef struct _GstProxyPad GstProxyPad;
41typedef struct _GstProxyPadPrivate GstProxyPadPrivate;
42typedef struct _GstProxyPadClass GstProxyPadClass;
43
44struct _GstProxyPad
45{
46 GstPad pad;
47
48 /*< private >*/
49 GstProxyPadPrivate *priv;
50};
51
52struct _GstProxyPadClass
53{
54 GstPadClass parent_class;
55
56 /*< private >*/
57 gpointer _gst_reserved[1];
58};
59
60GST_API
61GType gst_proxy_pad_get_type (void);
62
63GST_API
64GstProxyPad * gst_proxy_pad_get_internal (GstProxyPad *pad);
65
66
67GST_API
68GstIterator* gst_proxy_pad_iterate_internal_links_default (GstPad *pad, GstObject *parent) G_GNUC_MALLOC;
69
70GST_API
71GstFlowReturn gst_proxy_pad_chain_default (GstPad *pad, GstObject *parent,
72 GstBuffer *buffer);
73GST_API
74GstFlowReturn gst_proxy_pad_chain_list_default (GstPad *pad, GstObject *parent,
75 GstBufferList *list);
76GST_API
77GstFlowReturn gst_proxy_pad_getrange_default (GstPad *pad, GstObject *parent,
78 guint64 offset, guint size,
79 GstBuffer **buffer);
80
81#define GST_TYPE_GHOST_PAD (gst_ghost_pad_get_type ())
82#define GST_IS_GHOST_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GHOST_PAD))
83#define GST_IS_GHOST_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GHOST_PAD))
84#define GST_GHOST_PAD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GHOST_PAD, GstGhostPad))
85#define GST_GHOST_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GHOST_PAD, GstGhostPadClass))
86#define GST_GHOST_PAD_CAST(obj) ((GstGhostPad*)(obj))
87
88/**
89 * GstGhostPad:
90 *
91 * Opaque #GstGhostPad structure.
92 */
93typedef struct _GstGhostPad GstGhostPad;
94typedef struct _GstGhostPadPrivate GstGhostPadPrivate;
95typedef struct _GstGhostPadClass GstGhostPadClass;
96
97struct _GstGhostPad
98{
99 GstProxyPad pad;
100
101 /*< private >*/
102 GstGhostPadPrivate *priv;
103};
104
105struct _GstGhostPadClass
106{
107 GstProxyPadClass parent_class;
108
109 /*< private >*/
110 gpointer _gst_reserved[GST_PADDING];
111};
112
113
114GST_API
115GType gst_ghost_pad_get_type (void);
116
117GST_API
118GstPad* gst_ghost_pad_new (const gchar *name, GstPad *target) G_GNUC_MALLOC;
119
120GST_API
121GstPad* gst_ghost_pad_new_no_target (const gchar *name, GstPadDirection dir) G_GNUC_MALLOC;
122
123GST_API
124GstPad* gst_ghost_pad_new_from_template (const gchar *name, GstPad * target, GstPadTemplate * templ) G_GNUC_MALLOC;
125
126GST_API
127GstPad* gst_ghost_pad_new_no_target_from_template (const gchar *name, GstPadTemplate * templ) G_GNUC_MALLOC;
128
129GST_API
130GstPad* gst_ghost_pad_get_target (GstGhostPad *gpad);
131
132GST_API
133gboolean gst_ghost_pad_set_target (GstGhostPad *gpad, GstPad *newtarget);
134
135GST_DEPRECATED
136gboolean gst_ghost_pad_construct (GstGhostPad *gpad);
137
138GST_API
139gboolean gst_ghost_pad_activate_mode_default (GstPad * pad, GstObject * parent,
140 GstPadMode mode, gboolean active);
141GST_API
142gboolean gst_ghost_pad_internal_activate_mode_default (GstPad * pad, GstObject * parent,
143 GstPadMode mode, gboolean active);
144
145G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstGhostPad, gst_object_unref)
146
147G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstProxyPad, gst_object_unref)
148
149G_END_DECLS
150
151#endif /* __GST_GHOST_PAD_H__ */
152

source code of include/gstreamer-1.0/gst/gstghostpad.h