aboutsummaryrefslogtreecommitdiff
path: root/gst/gstghostpad.h
blob: 6aa4d26f7baaeed01bd22f165646dc7c354817f5 (plain)
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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/* GStreamer
 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
 *                    2000 Wim Taymans <wim.taymans@chello.be>
 *                    2005 Andy Wingo <wingo@pobox.com>
 *
 * gstghostpad.h: Proxy pads
 *
 * 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 __GST_GHOST_PAD_H__
#define __GST_GHOST_PAD_H__


#include <gst/gstpad.h>


G_BEGIN_DECLS

#define GST_TYPE_PROXY_PAD              (gst_proxy_pad_get_type ())
#define GST_IS_PROXY_PAD(obj)           (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PROXY_PAD))
#define GST_IS_PROXY_PAD_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PROXY_PAD))
#define GST_PROXY_PAD(obj)              (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PROXY_PAD, GstProxyPad))
#define GST_PROXY_PAD_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PROXY_PAD, GstProxyPadClass))

typedef struct _GstProxyPad GstProxyPad;
typedef struct _GstProxyPadPrivate GstProxyPadPrivate;
typedef struct _GstProxyPadClass GstProxyPadClass;

struct _GstProxyPad
{
  GstPad pad;

  /*< private >*/
  GstProxyPadPrivate *priv;
};

struct _GstProxyPadClass
{
  GstPadClass parent_class;

  /*< private >*/
  gpointer _gst_reserved[1];
};

GType gst_proxy_pad_get_type (void);

GstProxyPad*     gst_proxy_pad_get_internal     (GstProxyPad *pad);


gboolean            gst_proxy_pad_event_default                  (GstPad *pad, GstObject *parent,
                                                                  GstEvent *event);
gboolean            gst_proxy_pad_query_default                  (GstPad *pad, GstObject *parent,
                                                                  GstQuery *query);
GstIterator*        gst_proxy_pad_iterate_internal_links_default (GstPad *pad, GstObject *parent) G_GNUC_MALLOC;
GstFlowReturn       gst_proxy_pad_chain_default                  (GstPad *pad, GstObject *parent,
                                                                  GstBuffer *buffer);
GstFlowReturn       gst_proxy_pad_chain_list_default             (GstPad *pad, GstObject *parent,
                                                                  GstBufferList *list);
GstFlowReturn       gst_proxy_pad_getrange_default               (GstPad *pad, GstObject *parent,
                                                                  guint64 offset, guint size,
                                                                  GstBuffer **buffer);
void                gst_proxy_pad_unlink_default                 (GstPad * pad);

#define GST_TYPE_GHOST_PAD              (gst_ghost_pad_get_type ())
#define GST_IS_GHOST_PAD(obj)           (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GHOST_PAD))
#define GST_IS_GHOST_PAD_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GHOST_PAD))
#define GST_GHOST_PAD(obj)              (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GHOST_PAD, GstGhostPad))
#define GST_GHOST_PAD_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GHOST_PAD, GstGhostPadClass))
#define GST_GHOST_PAD_CAST(obj)         ((GstGhostPad*)(obj))

/**
 * GstGhostPad:
 *
 * Opaque #GstGhostPad structure.
 */
typedef struct _GstGhostPad GstGhostPad;
typedef struct _GstGhostPadPrivate GstGhostPadPrivate;
typedef struct _GstGhostPadClass GstGhostPadClass;

struct _GstGhostPad
{
  GstProxyPad pad;

  /*< private >*/
  GstGhostPadPrivate *priv;
};

struct _GstGhostPadClass
{
  GstProxyPadClass parent_class;

  /*< private >*/
  gpointer _gst_reserved[GST_PADDING];
};


GType            gst_ghost_pad_get_type          (void);

GstPad*          gst_ghost_pad_new               (const gchar *name, GstPad *target) G_GNUC_MALLOC;
GstPad*          gst_ghost_pad_new_no_target     (const gchar *name, GstPadDirection dir) G_GNUC_MALLOC;

GstPad*          gst_ghost_pad_new_from_template (const gchar *name, GstPad * target, GstPadTemplate * templ) G_GNUC_MALLOC;
GstPad*          gst_ghost_pad_new_no_target_from_template (const gchar *name, GstPadTemplate * templ) G_GNUC_MALLOC;

GstPad*          gst_ghost_pad_get_target        (GstGhostPad *gpad);
gboolean         gst_ghost_pad_set_target        (GstGhostPad *gpad, GstPad *newtarget);

gboolean         gst_ghost_pad_construct         (GstGhostPad *gpad);

void             gst_ghost_pad_unlink_default         (GstPad * pad);
GstPadLinkReturn gst_ghost_pad_link_default           (GstPad * pad, GstPad * peer);

gboolean         gst_ghost_pad_activate_mode_default  (GstPad * pad, GstObject * parent,
                                                       GstPadMode mode, gboolean active);

gboolean         gst_ghost_pad_internal_activate_mode_default   (GstPad * pad, GstObject * parent,
                                                                 GstPadMode mode, gboolean active);

G_END_DECLS

#endif /* __GST_GHOST_PAD_H__ */