mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-06-27 10:20:42 +00:00
6fa6cd8ce4
Original commit message from CVS: First attempt at rebuilding the type/plugin system - make sure caps/props are saved in the registry autoplugging is completely broken. removed the typefactories and typeids from all the pads in the plugins XML load/save is ok (be sure to rerun gstreamer-register)
94 lines
3 KiB
C
94 lines
3 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_TYPE_H__
|
|
#define __GST_TYPE_H__
|
|
|
|
|
|
#include <gst/gstbuffer.h>
|
|
#include <gst/gstelement.h>
|
|
|
|
|
|
/* type of function used to check a stream for equality with type */
|
|
typedef gboolean (*GstTypeFindFunc) (GstBuffer *buf,gpointer priv);
|
|
|
|
typedef struct _GstType GstType;
|
|
typedef struct _GstTypeFactory GstTypeFactory;
|
|
|
|
struct _GstType {
|
|
guint16 id; /* type id (assigned) */
|
|
|
|
gchar *mime; /* MIME type */
|
|
gchar *exts; /* space-delimited list of extensions */
|
|
|
|
GSList *typefindfuncs; /* typefind functions */
|
|
|
|
GList *srcs; /* list of src objects for this type */
|
|
GList *sinks; /* list of sink objects for type */
|
|
|
|
GHashTable *converters; /* a hashtable of factories that can convert
|
|
from this type to destination type. The
|
|
factories are indexed by destination type */
|
|
};
|
|
|
|
struct _GstTypeFactory {
|
|
gchar *mime;
|
|
gchar *exts;
|
|
GstTypeFindFunc typefindfunc;
|
|
};
|
|
|
|
|
|
/* initialize the subsystem */
|
|
void _gst_type_initialize (void);
|
|
|
|
/* create a new type, or find/merge an existing one */
|
|
guint16 gst_type_register (GstTypeFactory *factory);
|
|
|
|
/* look up a type by mime or extension */
|
|
guint16 gst_type_find_by_mime (gchar *mime);
|
|
guint16 gst_type_find_by_ext (gchar *ext);
|
|
|
|
/* add src or sink object */
|
|
void _gst_type_add_src (guint16 id, GstElementFactory *src);
|
|
void _gst_type_add_sink (guint16 id, GstElementFactory *sink);
|
|
void _gst_type_remove_src (guint16 id, GstElementFactory *src);
|
|
void _gst_type_remove_sink (guint16 id, GstElementFactory *sink);
|
|
/* get list of src or sink objects */
|
|
GList* gst_type_get_srcs (guint16 id);
|
|
GList* gst_type_get_sinks (guint16 id);
|
|
|
|
/* get GstType by id */
|
|
GstType* gst_type_find_by_id (guint16 id);
|
|
|
|
GList* gst_type_get_sink_to_src (guint16 sinkid, guint16 srcid);
|
|
|
|
/* get the list of registered types (returns list of GstType!) */
|
|
GList* gst_type_get_list (void);
|
|
|
|
void gst_type_dump (void);
|
|
|
|
xmlNodePtr gst_type_save_thyself (GstType *type, xmlNodePtr parent);
|
|
guint16 gst_type_load_thyself (xmlNodePtr parent);
|
|
|
|
xmlNodePtr gst_typefactory_save_thyself (GstTypeFactory *factory, xmlNodePtr parent);
|
|
GstTypeFactory* gst_typefactory_load_thyself (xmlNodePtr parent);
|
|
|
|
#endif /* __GST_TYPE_H__ */
|