gstreamer/gst/gstbin.h
Wim Taymans 15b0278251 gst/: More MT safety fixes following the desing doc.
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.
2004-12-09 21:08:13 +00:00

101 lines
3.3 KiB
C

/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstbin.h: Header for GstBin container object
*
* 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_BIN_H__
#define __GST_BIN_H__
#include <gst/gstelement.h>
#include <gst/gstiterator.h>
G_BEGIN_DECLS
GST_EXPORT GType _gst_bin_type;
#define GST_TYPE_BIN (_gst_bin_type)
#define GST_IS_BIN(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_BIN))
#define GST_IS_BIN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_BIN))
#define GST_BIN_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_BIN, GstBinClass))
#define GST_BIN(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_BIN, GstBin))
#define GST_BIN_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_BIN, GstBinClass))
typedef enum {
GST_BIN_FLAG_FIXED_CLOCK,
/* padding */
GST_BIN_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 5
} GstBinFlags;
/*typedef struct _GstBin GstBin; */
/*typedef struct _GstBinClass GstBinClass; */
#define GST_BIN_NUMCHILDREN(bin) (GST_BIN_CAST(bin)->numchildren);
#define GST_BIN_CHILDREN(bin) (GST_BIN_CAST(bin)->children);
#define GST_BIN_CHILDREN_COOKIE(bin) (GST_BIN_CAST(bin)->children_cookie);
struct _GstBin {
GstElement element;
/*< public >*/ /* with LOCK */
/* our children */
gint numchildren;
GList *children;
guint32 children_cookie;
gpointer _gst_reserved[GST_PADDING];
};
struct _GstBinClass {
GstElementClass parent_class;
/* vtable */
void (*add_element) (GstBin *bin, GstElement *element);
void (*remove_element) (GstBin *bin, GstElement *element);
/* signals */
void (*element_added) (GstBin *bin, GstElement *child);
void (*element_removed) (GstBin *bin, GstElement *child);
gpointer _gst_reserved[GST_PADDING];
};
GType gst_bin_get_type (void);
GstElement* gst_bin_new (const gchar *name);
/* add and remove elements from the bin */
void gst_bin_add (GstBin *bin, GstElement *element);
void gst_bin_remove (GstBin *bin, GstElement *element);
/* retrieve a single child */
GstElement* gst_bin_get_by_name (GstBin *bin, const gchar *name);
GstElement* gst_bin_get_by_name_recurse_up (GstBin *bin, const gchar *name);
GstElement* gst_bin_get_by_interface (GstBin *bin, GType interface);
/* retrieve multiple children */
GstIterator* gst_bin_iterate_elements (GstBin *bin);
GstIterator* gst_bin_iterate_sinks (GstBin *bin);
GstIterator* gst_bin_iterate_all_by_interface (GstBin *bin, GType interface);
G_END_DECLS
#endif /* __GST_BIN_H__ */