gstreamer/gst/gstobject.h
Wim Taymans bf8c785fb0 Documentation updates. All standard library objects and standard elements are documented. Modified some of the elemen...
Original commit message from CVS:
Documentation updates. All standard library objects and standard
elements are documented. Modified some of the elements to more
accuratly report about their arguments so the documentation builds
more reasonable output.
Added aviencoder and jpegencoder elements (not working yet)
2000-03-27 19:53:43 +00:00

117 lines
3.2 KiB
C

/* Gnome-Streamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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_OBJECT_H__
#define __GST_OBJECT_H__
#include <gtk/gtk.h>
#include <gst/gsttrace.h>
#include "config.h"
#ifdef HAVE_ATOMIC_H
#include <asm/atomic.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GST_TYPE_OBJECT \
(gst_object_get_type())
#define GST_OBJECT(obj) \
(GTK_CHECK_CAST((obj),GST_TYPE_OBJECT,GstObject))
#define GST_OBJECT_CLASS(klass) \
(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_OBJECT,GstObjectClass))
#define GST_IS_OBJECT(obj) \
(GTK_CHECK_TYPE((obj),GST_TYPE_OBJECT))
#define GST_IS_OBJECT_CLASS(obj) \
(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_OBJECT))
typedef struct _GstObject GstObject;
typedef struct _GstObjectClass GstObjectClass;
struct _GstObject {
GtkObject object;
/* have to have a refcount for the object */
#ifdef HAVE_ATOMIC_H
atomic_t refcount;
#else
int refcount;
#endif
/* locking for all sorts of things (like the refcount) */
GMutex *lock;
/* this objects parent */
GstObject *parent;
};
struct _GstObjectClass {
GtkObjectClass parent_class;
/* signals */
void (*parent_set) (GstObject *object,GstObject *parent);
/* functions go here */
};
#define GST_FLAGS(obj) GTK_OBJECT_FLAGS(obj)
#define GST_FLAG_IS_SET(obj,flag) (GST_FLAGS (obj) & (flag))
#define GST_FLAG_SET(obj,flag) G_STMT_START{ (GST_FLAGS (obj) |= (flag)); }G_STMT_END
#define GST_FLAG_UNSET(obj,flag) G_STMT_START{ (GST_FLAGS (obj) &= ~(flag)); }G_STMT_END
#define GST_LOCK(obj) (g_mutex_lock(GST_OBJECT(obj)->lock))
#define GST_TRYLOCK(obj) (g_mutex_trylock(GST_OBJECT(obj)->lock))
#define GST_UNLOCK(obj) (g_mutex_unlock(GST_OBJECT(obj)->lock))
/* normal GtkObject stuff */
GtkType gst_object_get_type(void);
GstObject* gst_object_new(void);
/* parentage routines */
void gst_object_set_parent(GstObject *object,GstObject *parent);
GstObject *gst_object_get_parent(GstObject *object);
void gst_object_unparent(GstObject *object);
/* refcounting */
//void gst_object_ref(GstObject *object);
#define gst_object_ref(object) gtk_object_ref(GTK_OBJECT(object));
//void gst_object_unref(GstObject *object);
#define gst_object_unref(object) gtk_object_unref(GTK_OBJECT(object));
//void gst_object_sink(GstObject *object);
#define gst_object_sink(object) gtk_object_sink(GTK_OBJECT(object));
/* destroying an object */
#define gst_object_destroy(object) gtk_object_destroy(GTK_OBJECT(object))
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_OBJECT_H__ */