gstreamer/gst/gstbin.h
Wim Taymans 552b7f32aa Changes to gstreamer-config to include gtk+ libs manual changes: queues, threads, programs gsteditor does not crash a...
Original commit message from CVS:
Changes to gstreamer-config to include gtk+ libs
manual changes: queues, threads, programs
gsteditor does not crash anymore.
gstpipline new should return a GstElement *
fixed ac3dec for new getbits
fixes to gstreamer-launch
more efficient startup for gstplay.
2000-09-09 16:36:10 +00:00

115 lines
3.1 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_BIN_H__
#define __GST_BIN_H__
#include <gst/gstelement.h>
#include <gst/gstsrc.h>
#include <gst/gstconnection.h>
#include <gst/cothreads.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
extern GstElementDetails gst_bin_details;
#define GST_TYPE_BIN \
(gst_bin_get_type())
#define GST_BIN(obj) \
(GTK_CHECK_CAST((obj),GST_TYPE_BIN,GstBin))
#define GST_BIN_CLASS(klass) \
(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_BIN,GstBinClass))
#define GST_IS_BIN(obj) \
(GTK_CHECK_TYPE((obj),GST_TYPE_BIN))
#define GST_IS_BIN_CLASS(obj) \
(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_BIN))
typedef struct _GstBin GstBin;
typedef struct _GstBinClass GstBinClass;
struct _GstBin {
GstElement element;
// our children
gint numchildren;
GList *children;
// iteration state
gboolean need_cothreads;
GList *entries;
gint numentries;
cothread_context *threadcontext;
gboolean use_cothreads;
};
struct _GstBinClass {
GstElementClass parent_class;
void (*object_added) (GstObject *object,GstObject *child);
/* change the state of elements of the given type */
gboolean (*change_state_type) (GstBin *bin,
GstElementState state,
GtkType type);
/* create a plan for the execution of the bin */
void (*create_plan) (GstBin *bin);
/* run a full iteration of operation */
void (*iterate) (GstBin *bin);
};
GtkType gst_bin_get_type(void);
GstElement *gst_bin_new(gchar *name);
#define gst_bin_destroy(bin) gst_object_destroy(GST_OBJECT(bin))
/* 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 element or the while list of children */
GstElement *gst_bin_get_by_name(GstBin *bin,gchar *name);
GList *gst_bin_get_list(GstBin *bin);
/* set the state for only elements of the given type */
gboolean gst_bin_set_state_type(GstBin *bin,
GstElementState state,
GtkType type);
void gst_bin_iterate(GstBin *bin);
void gst_bin_create_plan(GstBin *bin);
// hack FIXME
void gst_bin_use_cothreads(GstBin *bin, gboolean enabled);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_BIN_H__ */