mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-01-24 16:18:16 +00:00
15b0278251
Original commit message from CVS: * gst/gst_private.h: * gst/gstbin.c: (gst_bin_class_init), (gst_bin_set_index), (gst_bin_set_clock), (gst_bin_get_clock), (gst_bin_iterate_elements), (gst_bin_get_by_name), (gst_bin_get_by_name_recurse_up), (gst_bin_get_by_interface), (gst_bin_get_all_by_interface): * gst/gstbin.h: * gst/gstelement.c: (gst_element_add_pad), (gst_element_remove_pad), (gst_element_request_pad), (gst_element_post_message), (gst_element_error_full), (gst_element_is_locked_state), (gst_element_set_locked_state), (gst_element_create_task): * gst/gstelement.h: * gst/gstinfo.h: * gst/gstiterator.h: * gst/gstobject.c: (gst_object_init), (gst_object_ref), (gst_object_unref), (gst_object_sink), (gst_object_dispose), (gst_object_finalize), (gst_object_dispatch_properties_changed), (gst_object_set_name), (gst_object_get_name), (gst_object_set_parent), (gst_object_get_parent), (gst_object_unparent), (gst_object_check_uniqueness), (gst_object_save_thyself), (gst_object_restore_thyself), (gst_object_real_restore_thyself), (gst_object_set_property), (gst_object_get_property), (gst_object_get_path_string): * gst/gstobject.h: * gst/gstpad.c: (gst_pad_get_direction), (gst_pad_unlink), (gst_pad_is_linked), (gst_pad_link_filtered), (gst_pad_relink_filtered), (gst_pad_get_peer), (gst_pad_push), (gst_pad_pull), (gst_pad_pull_range): * gst/gstpad.h: More MT safety fixes following the desing doc.
177 lines
5.8 KiB
C
177 lines
5.8 KiB
C
/* GStreamer
|
|
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
|
|
* 2000 Wim Taymans <wtay@chello.be>
|
|
* 2004 Wim Taymans <wim@fluendo.com>
|
|
*
|
|
* gstobject.h: Header for base GstObject
|
|
*
|
|
* 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 <gst/gstconfig.h>
|
|
|
|
#include <glib-object.h> /* note that this gets wrapped in __GST_OBJECT_H__ */
|
|
|
|
#include <gst/gsttypes.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
GST_EXPORT GType _gst_object_type;
|
|
|
|
#define GST_TYPE_OBJECT (_gst_object_type)
|
|
#define GST_IS_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_OBJECT))
|
|
#define GST_IS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_OBJECT))
|
|
#define GST_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_OBJECT, GstObjectClass))
|
|
#define GST_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_OBJECT, GstObject))
|
|
#define GST_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_OBJECT, GstObjectClass))
|
|
#define GST_OBJECT_CAST(obj) ((GstObject*)(obj))
|
|
|
|
/* make sure we don't change the object size but stil make it compile
|
|
* without libxml */
|
|
#ifdef GST_DISABLE_LOADSAVE_REGISTRY
|
|
#define xmlNodePtr gpointer
|
|
#endif
|
|
|
|
typedef enum
|
|
{
|
|
GST_OBJECT_DESTROYED = 0,
|
|
GST_OBJECT_FLOATING,
|
|
|
|
GST_OBJECT_FLAG_LAST = 4
|
|
} GstObjectFlags;
|
|
|
|
/* we do a GST_OBJECT_CAST to avoid type checking, better call these
|
|
* function with a valid object! */
|
|
#define GST_LOCK(obj) (g_mutex_lock(GST_OBJECT_CAST(obj)->lock))
|
|
#define GST_TRYLOCK(obj) (g_mutex_trylock(GST_OBJECT_CAST(obj)->lock))
|
|
#define GST_UNLOCK(obj) (g_mutex_unlock(GST_OBJECT_CAST(obj)->lock))
|
|
#define GST_GET_LOCK(obj) (GST_OBJECT_CAST(obj)->lock)
|
|
|
|
#define GST_OBJECT_NAME(obj) (GST_OBJECT_CAST(obj)->name)
|
|
#define GST_OBJECT_PARENT(obj) (GST_OBJECT_CAST(obj)->parent)
|
|
|
|
#define GST_FLAGS(obj) (GST_OBJECT_CAST (obj)->flags)
|
|
#define GST_FLAG_IS_SET(obj,flag) (GST_FLAGS (obj) & (1<<(flag)))
|
|
#define GST_FLAG_SET(obj,flag) G_STMT_START{ (GST_FLAGS (obj) |= (1<<(flag))); }G_STMT_END
|
|
#define GST_FLAG_UNSET(obj,flag) G_STMT_START{ (GST_FLAGS (obj) &= ~(1<<(flag))); }G_STMT_END
|
|
|
|
#define GST_OBJECT_IS_DESTROYED(obj) (GST_FLAG_IS_SET (obj, GST_OBJECT_DESTROYED))
|
|
#define GST_OBJECT_IS_FLOATING(obj) (GST_FLAG_IS_SET (obj, GST_OBJECT_FLOATING))
|
|
|
|
struct _GstObject {
|
|
GObject object;
|
|
|
|
/*< public >*/ /* with LOCK */
|
|
GMutex *lock; /* locking for all sorts of things */
|
|
gchar *name; /* name */
|
|
GstObject *parent; /* this object's parent */
|
|
guint32 flags;
|
|
|
|
/*< private >*/
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
/* signal_object is used to signal to the whole class */
|
|
struct _GstObjectClass {
|
|
GObjectClass parent_class;
|
|
|
|
gchar *path_string_separator;
|
|
GObject *signal_object;
|
|
|
|
/* signals */
|
|
void (*parent_set) (GstObject *object, GstObject *parent);
|
|
void (*parent_unset) (GstObject *object, GstObject *parent);
|
|
void (*object_saved) (GstObject *object, xmlNodePtr parent);
|
|
void (*deep_notify) (GstObject *object, GstObject *orig, GParamSpec *pspec);
|
|
|
|
/* vtable */
|
|
void (*destroy) (GstObject *object);
|
|
|
|
xmlNodePtr (*save_thyself) (GstObject *object, xmlNodePtr parent);
|
|
void (*restore_thyself) (GstObject *object, xmlNodePtr self);
|
|
|
|
/*< private >*/
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
|
|
|
|
|
|
/* normal GObject stuff */
|
|
GType gst_object_get_type (void);
|
|
|
|
/* name routines */
|
|
void gst_object_set_name (GstObject *object, const gchar *name);
|
|
gchar* gst_object_get_name (GstObject *object);
|
|
|
|
/* parentage routines */
|
|
void gst_object_set_parent (GstObject *object, GstObject *parent);
|
|
GstObject* gst_object_get_parent (GstObject *object);
|
|
void gst_object_unparent (GstObject *object);
|
|
|
|
void gst_object_default_deep_notify (GObject *object, GstObject *orig,
|
|
GParamSpec *pspec, gchar **excluded_props);
|
|
|
|
/* refcounting + life cycle */
|
|
GstObject * gst_object_ref (GstObject *object);
|
|
void gst_object_unref (GstObject *object);
|
|
void gst_object_sink (GstObject *object);
|
|
|
|
/* replace object pointer */
|
|
void gst_object_replace (GstObject **oldobj, GstObject *newobj);
|
|
|
|
/* printing out the 'path' of the object */
|
|
gchar * gst_object_get_path_string (GstObject *object);
|
|
|
|
/* misc utils */
|
|
gboolean gst_object_check_uniqueness (GList *list, const gchar *name);
|
|
|
|
/* load/save */
|
|
#ifndef GST_DISABLE_LOADSAVE_REGISTRY
|
|
xmlNodePtr gst_object_save_thyself (GstObject *object, xmlNodePtr parent);
|
|
void gst_object_restore_thyself (GstObject *object, xmlNodePtr self);
|
|
#else
|
|
#if defined _GNUC_ && _GNUC_ >= 3
|
|
#pragma GCC poison gst_object_save_thyself
|
|
#pragma GCC poison gst_object_restore_thyself
|
|
#endif
|
|
#endif
|
|
|
|
/* class signal stuff */
|
|
guint gst_class_signal_connect (GstObjectClass *klass,
|
|
const gchar *name,
|
|
gpointer func,
|
|
gpointer func_data);
|
|
|
|
#ifndef GST_DISABLE_LOADSAVE_REGISTRY
|
|
void gst_class_signal_emit_by_name (GstObject *object,
|
|
const gchar *name,
|
|
xmlNodePtr self);
|
|
#else
|
|
#if defined _GNUC_ && _GNUC_ >= 3
|
|
#pragma GCC poison gst_class_signal_emit_by_name
|
|
#endif
|
|
#endif
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_OBJECT_H__ */
|
|
|