gstreamer/gst/gstbin.h
David Schleef 209c82ee06 docs/gst/gstreamer-sections.txt: More doc hacking.
Original commit message from CVS:
* docs/gst/gstreamer-sections.txt:  More doc hacking.
* docs/gst/tmpl/gstaggregator.sgml:
* docs/gst/tmpl/gstautoplugfactory.sgml:
* docs/gst/tmpl/gstbin.sgml:
* docs/gst/tmpl/gstbuffer.sgml:
* docs/gst/tmpl/gstbufferstore.sgml:
* docs/gst/tmpl/gstfakesink.sgml:
* docs/gst/tmpl/gstfakesrc.sgml:
* docs/gst/tmpl/gstmd5sink.sgml:
* docs/gst/tmpl/gstreamer-unused.sgml:
* docs/gst/tmpl/gstsearchfuncs.sgml:
* docs/gst/tmpl/gstshaper.sgml:
* docs/gst/tmpl/gstspider.sgml:
* docs/gst/tmpl/gsttee.sgml:
* docs/gst/tmpl/gstutils.sgml:
* docs/gst/tmpl/gstvalue.sgml:
* docs/gst/tmpl/gstxml.sgml:
* gst/Makefile.am:  Remove gstthreaddummy.c.  It never worked,
and we don't support it.
* gst/gst.c: (gst_init_get_popt_table), (init_pre), (init_post),
(gst_use_threads), (gst_has_threads): same
* gst/gstthreaddummy.c: same
* gst/autoplug/gstspider.c: Make gst_spider_details static.
* gst/autoplug/gstspider.h: same
* gst/elements/gstaggregator.h: Remove bogus function from header
* gst/elements/gstfakesink.h: same
* gst/elements/gstfakesrc.h: same
* gst/elements/gstmd5sink.h: same
* gst/elements/gstshaper.h: same
* gst/elements/gsttee.h: same
* gst/gstbin.c: doc fixes
* gst/gstbin.h: Remove unused definition.
* gst/gstbuffer.c: doc fixes
* gst/gstcaps.c: (gst_caps_is_always_compatible): doc fixes
* gst/gstfilter.c: doc fixes
* gst/gsttag.c: doc fixes
* gst/gstvalue.c: doc fixes
2004-03-26 03:46:16 +00:00

123 lines
4 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>
G_BEGIN_DECLS
extern 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 {
/* this bin is a manager of child elements, i.e. a pipeline or thread */
GST_BIN_FLAG_MANAGER = GST_ELEMENT_FLAG_LAST,
/* this bin iterates itself */
GST_BIN_SELF_SCHEDULABLE,
/* we prefer to have cothreads when its an option, over chain-based */
GST_BIN_FLAG_PREFER_COTHREADS,
GST_BIN_FLAG_FIXED_CLOCK,
/* padding */
GST_BIN_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 5
} GstBinFlags;
/*typedef struct _GstBin GstBin; */
/*typedef struct _GstBinClass GstBinClass; */
struct _GstBin {
GstElement element;
/* our children */
gint numchildren;
GList *children;
GstElementState child_states[GST_NUM_STATES];
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);
void (*child_state_change) (GstBin *bin, GstElementState oldstate,
GstElementState newstate, GstElement *element);
/* run a full iteration of operation */
gboolean (*iterate) (GstBin *bin);
/* 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_add_many (GstBin *bin, GstElement *element_1, ...);
void gst_bin_remove (GstBin *bin, GstElement *element);
void gst_bin_remove_many (GstBin *bin, GstElement *element_1, ...);
/* retrieve a single element or the list of children */
GstElement* gst_bin_get_by_name (GstBin *bin, const gchar *name);
GstElement* gst_bin_get_by_name_recurse_up (GstBin *bin, const gchar *name);
G_CONST_RETURN GList*
gst_bin_get_list (GstBin *bin);
GstElement* gst_bin_get_by_interface (GstBin *bin, GType interface);
GList * gst_bin_get_all_by_interface (GstBin *bin, GType interface);
gboolean gst_bin_iterate (GstBin *bin);
void gst_bin_use_clock (GstBin *bin, GstClock *clock);
GstClock* gst_bin_get_clock (GstBin *bin);
void gst_bin_auto_clock (GstBin *bin);
GstElementStateReturn gst_bin_sync_children_state (GstBin *bin);
/* internal */
/* one of our childs signaled a state change */
void gst_bin_child_state_change (GstBin *bin, GstElementState oldstate,
GstElementState newstate, GstElement *child);
G_END_DECLS
#endif /* __GST_BIN_H__ */