2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wim.taymans@chello.be>
4 * 2005 Andy Wingo <wingo@pobox.com>
6 * gstghostpad.h: Proxy pads
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.
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.
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., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
25 #ifndef __GST_GHOST_PAD_H__
26 #define __GST_GHOST_PAD_H__
29 #include <gst/gstpad.h>
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))
40 typedef struct _GstProxyPad GstProxyPad;
41 typedef struct _GstProxyPadPrivate GstProxyPadPrivate;
42 typedef struct _GstProxyPadClass GstProxyPadClass;
49 GstProxyPadPrivate *priv;
52 struct _GstProxyPadClass
54 GstPadClass parent_class;
57 gpointer _gst_reserved[1];
60 GType gst_proxy_pad_get_type (void);
62 GstProxyPad* gst_proxy_pad_get_internal (GstProxyPad *pad);
65 gboolean gst_proxy_pad_event_default (GstPad *pad, GstObject *parent,
67 gboolean gst_proxy_pad_query_default (GstPad *pad, GstObject *parent,
69 GstIterator* gst_proxy_pad_iterate_internal_links_default (GstPad *pad, GstObject *parent);
70 GstFlowReturn gst_proxy_pad_chain_default (GstPad *pad, GstObject *parent,
72 GstFlowReturn gst_proxy_pad_chain_list_default (GstPad *pad, GstObject *parent,
74 GstFlowReturn gst_proxy_pad_getrange_default (GstPad *pad, GstObject *parent,
75 guint64 offset, guint size,
77 void gst_proxy_pad_unlink_default (GstPad * pad);
79 #define GST_TYPE_GHOST_PAD (gst_ghost_pad_get_type ())
80 #define GST_IS_GHOST_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GHOST_PAD))
81 #define GST_IS_GHOST_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GHOST_PAD))
82 #define GST_GHOST_PAD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GHOST_PAD, GstGhostPad))
83 #define GST_GHOST_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GHOST_PAD, GstGhostPadClass))
84 #define GST_GHOST_PAD_CAST(obj) ((GstGhostPad*)(obj))
89 * Opaque #GstGhostPad structure.
91 typedef struct _GstGhostPad GstGhostPad;
92 typedef struct _GstGhostPadPrivate GstGhostPadPrivate;
93 typedef struct _GstGhostPadClass GstGhostPadClass;
100 GstGhostPadPrivate *priv;
103 struct _GstGhostPadClass
105 GstProxyPadClass parent_class;
108 gpointer _gst_reserved[GST_PADDING];
112 GType gst_ghost_pad_get_type (void);
114 GstPad* gst_ghost_pad_new (const gchar *name, GstPad *target);
115 GstPad* gst_ghost_pad_new_no_target (const gchar *name, GstPadDirection dir);
117 GstPad* gst_ghost_pad_new_from_template (const gchar *name, GstPad * target, GstPadTemplate * templ);
118 GstPad* gst_ghost_pad_new_no_target_from_template (const gchar *name, GstPadTemplate * templ);
120 GstPad* gst_ghost_pad_get_target (GstGhostPad *gpad);
121 gboolean gst_ghost_pad_set_target (GstGhostPad *gpad, GstPad *newtarget);
123 gboolean gst_ghost_pad_construct (GstGhostPad *gpad);
125 void gst_ghost_pad_unlink_default (GstPad * pad);
126 GstPadLinkReturn gst_ghost_pad_link_default (GstPad * pad, GstPad * peer);
127 gboolean gst_ghost_pad_activate_pull_default (GstPad * pad, gboolean active);
128 gboolean gst_ghost_pad_activate_push_default (GstPad * pad, gboolean active);
130 gboolean gst_ghost_pad_internal_activate_push_default (GstPad * pad, gboolean active);
131 gboolean gst_ghost_pad_internal_activate_pull_default (GstPad * pad, gboolean active);
135 #endif /* __GST_GHOST_PAD_H__ */