gstreamer/gst/gstchildproxy.h
Tim-Philipp Müller 8983cce9f6 gst: GST_EXPORT -> GST_API
We need different export decorators for the different libs.
For now no actual change though, just rename before the release,
and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 00:45:35 +00:00

117 lines
4.5 KiB
C

/* GStreamer
* Copyright (C) 2005 Stefan Kost <ensonic@users.sf.net>
*
* gstchildproxy.h: interface header for multi child elements
*
* 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_CHILD_PROXY_H__
#define __GST_CHILD_PROXY_H__
#include <glib-object.h>
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_CHILD_PROXY (gst_child_proxy_get_type ())
#define GST_CHILD_PROXY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_CHILD_PROXY, GstChildProxy))
#define GST_IS_CHILD_PROXY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_CHILD_PROXY))
#define GST_CHILD_PROXY_GET_INTERFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_CHILD_PROXY, GstChildProxyInterface))
/**
* GstChildProxy:
*
* Opaque #GstChildProxy data structure.
*/
typedef struct _GstChildProxy GstChildProxy; /* dummy object */
typedef struct _GstChildProxyInterface GstChildProxyInterface;
/**
* GstChildProxyInterface:
* @parent: parent interface type.
* @get_child_by_name: virtual method to fetch the child by name
* @get_child_by_index: virtual method to fetch the child by index
* @get_children_count: virtual method to get the children count
*
* #GstChildProxy interface.
*/
struct _GstChildProxyInterface
{
GTypeInterface parent;
/* methods */
GObject * (*get_child_by_name) (GstChildProxy * parent, const gchar * name);
GObject * (*get_child_by_index) (GstChildProxy * parent, guint index);
guint (*get_children_count) (GstChildProxy * parent);
/*< private >*/
/* signals */
void (*child_added) (GstChildProxy * parent, GObject * child, const gchar * name);
void (*child_removed) (GstChildProxy * parent, GObject * child, const gchar * name);
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GST_API
GType gst_child_proxy_get_type (void);
GST_API
GObject * gst_child_proxy_get_child_by_name (GstChildProxy * parent, const gchar * name);
GST_API
guint gst_child_proxy_get_children_count (GstChildProxy * parent);
GST_API
GObject * gst_child_proxy_get_child_by_index (GstChildProxy * parent, guint index);
GST_API
gboolean gst_child_proxy_lookup (GstChildProxy *object, const gchar *name,
GObject **target, GParamSpec **pspec);
GST_API
void gst_child_proxy_get_property (GstChildProxy * object, const gchar *name,
GValue *value);
GST_API
void gst_child_proxy_get_valist (GstChildProxy * object,
const gchar * first_property_name,
va_list var_args);
GST_API
void gst_child_proxy_get (GstChildProxy * object,
const gchar * first_property_name,
...) G_GNUC_NULL_TERMINATED;
GST_API
void gst_child_proxy_set_property (GstChildProxy * object, const gchar *name,
const GValue *value);
GST_API
void gst_child_proxy_set_valist (GstChildProxy* object,
const gchar * first_property_name,
va_list var_args);
GST_API
void gst_child_proxy_set (GstChildProxy * object,
const gchar * first_property_name,
...) G_GNUC_NULL_TERMINATED;
GST_API
void gst_child_proxy_child_added (GstChildProxy * parent, GObject * child,
const gchar *name);
GST_API
void gst_child_proxy_child_removed (GstChildProxy * parent, GObject * child,
const gchar *name);
G_END_DECLS
#endif /* __GST_CHILD_PROXY_H__ */