gstreamer/subprojects/gstreamer/gst/gstghostpad.h

151 lines
5.1 KiB
C

/* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, 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];
};
GST_API
GType gst_proxy_pad_get_type (void);
GST_API
GstProxyPad * gst_proxy_pad_get_internal (GstProxyPad *pad);
GST_API
GstIterator* gst_proxy_pad_iterate_internal_links_default (GstPad *pad, GstObject *parent) G_GNUC_MALLOC;
GST_API
GstFlowReturn gst_proxy_pad_chain_default (GstPad *pad, GstObject *parent,
GstBuffer *buffer);
GST_API
GstFlowReturn gst_proxy_pad_chain_list_default (GstPad *pad, GstObject *parent,
GstBufferList *list);
GST_API
GstFlowReturn gst_proxy_pad_getrange_default (GstPad *pad, GstObject *parent,
guint64 offset, guint size,
GstBuffer **buffer);
#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];
};
GST_API
GType gst_ghost_pad_get_type (void);
GST_API
GstPad* gst_ghost_pad_new (const gchar *name, GstPad *target) G_GNUC_MALLOC;
GST_API
GstPad* gst_ghost_pad_new_no_target (const gchar *name, GstPadDirection dir) G_GNUC_MALLOC;
GST_API
GstPad* gst_ghost_pad_new_from_template (const gchar *name, GstPad * target, GstPadTemplate * templ) G_GNUC_MALLOC;
GST_API
GstPad* gst_ghost_pad_new_no_target_from_template (const gchar *name, GstPadTemplate * templ) G_GNUC_MALLOC;
GST_API
GstPad* gst_ghost_pad_get_target (GstGhostPad *gpad);
GST_API
gboolean gst_ghost_pad_set_target (GstGhostPad *gpad, GstPad *newtarget);
GST_DEPRECATED
gboolean gst_ghost_pad_construct (GstGhostPad *gpad);
GST_API
gboolean gst_ghost_pad_activate_mode_default (GstPad * pad, GstObject * parent,
GstPadMode mode, gboolean active);
GST_API
gboolean gst_ghost_pad_internal_activate_mode_default (GstPad * pad, GstObject * parent,
GstPadMode mode, gboolean active);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstGhostPad, gst_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstProxyPad, gst_object_unref)
G_END_DECLS
#endif /* __GST_GHOST_PAD_H__ */