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109 lines
3.5 KiB
C
109 lines
3.5 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstautoplug.h: Header for autoplugging functionality
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_AUTOPLUG_H__
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#define __GST_AUTOPLUG_H__
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#include <gst/gstelement.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define GST_TYPE_AUTOPLUG \
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(gst_autoplug_get_type())
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#define GST_AUTOPLUG(obj) \
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(GTK_CHECK_CAST((obj),GST_TYPE_AUTOPLUG,GstAutoplug))
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#define GST_AUTOPLUG_CLASS(klass) \
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(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_AUTOPLUG,GstAutoplugClass))
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#define GST_IS_AUTOPLUG(obj) \
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(GTK_CHECK_TYPE((obj),GST_TYPE_AUTOPLUG))
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#define GST_IS_AUTOPLUG_CLASS(obj) \
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(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_AUTOPLUG))
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typedef struct _GstAutoplug GstAutoplug;
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typedef struct _GstAutoplugClass GstAutoplugClass;
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typedef enum {
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GST_AUTOPLUG_TO_CAPS = GST_OBJECT_FLAG_LAST,
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GST_AUTOPLUG_TO_RENDERER,
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GST_AUTOPLUG_FLAG_LAST = GST_OBJECT_FLAG_LAST + 8,
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} GstAutoplugFlags;
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struct _GstAutoplug {
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GstObject object;
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};
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struct _GstAutoplugClass {
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GstObjectClass parent_class;
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/* signal callbacks */
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void (*new_object) (GstAutoplug *autoplug, GstObject *object);
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/* perform the autoplugging */
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GstElement* (*autoplug_to_caps) (GstAutoplug *autoplug, GList *srccaps, GList *sinkcaps, va_list args);
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GstElement* (*autoplug_to_renderers) (GstAutoplug *autoplug, GList *srccaps, GstElement *target, va_list args);
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};
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typedef struct _GstAutoplugFactory GstAutoplugFactory;
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struct _GstAutoplugFactory {
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gchar *name; /* name of autoplugger */
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gchar *longdesc; /* long description of the autoplugger (well, don't overdo it..) */
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GtkType type; /* unique GtkType of the autoplugger */
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};
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GtkType gst_autoplug_get_type (void);
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void gst_autoplug_signal_new_object (GstAutoplug *autoplug, GstObject *object);
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GstElement* gst_autoplug_to_caps (GstAutoplug *autoplug, GList *srccaps, GList *sinkcaps, ...);
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GstElement* gst_autoplug_to_renderers (GstAutoplug *autoplug, GList *srccaps,
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GstElement *target, ...);
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/*
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* creating autopluggers
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*
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*/
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GstAutoplugFactory* gst_autoplugfactory_new (const gchar *name, const gchar *longdesc, GtkType type);
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void gst_autoplugfactory_destroy (GstAutoplugFactory *factory);
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GstAutoplugFactory* gst_autoplugfactory_find (const gchar *name);
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GList* gst_autoplugfactory_get_list (void);
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GstAutoplug* gst_autoplugfactory_create (GstAutoplugFactory *factory);
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GstAutoplug* gst_autoplugfactory_make (const gchar *name);
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xmlNodePtr gst_autoplugfactory_save_thyself (GstAutoplugFactory *factory, xmlNodePtr parent);
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GstAutoplugFactory* gst_autoplugfactory_load_thyself (xmlNodePtr parent);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __GST_AUTOPLUG_H__ */
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