2000-01-30 09:03:00 +00:00
|
|
|
/* 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 *private);
|
|
|
|
|
|
|
|
|
|
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 */
|
|
|
|
|
|
|
|
|
|
GstTypeFindFunc typefindfunc; /* typefind function */
|
|
|
|
|
|
|
|
|
|
GList *srcs; /* list of src objects for this type */
|
|
|
|
|
GList *sinks; /* list of sink objects for type */
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct _GstTypeFactory {
|
|
|
|
|
gchar *mime;
|
|
|
|
|
gchar *exts;
|
|
|
|
|
GstTypeFindFunc typefindfunc;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* initialize the subsystem */
|
2000-03-13 22:13:11 +00:00
|
|
|
void _gst_type_initialize();
|
2000-01-30 09:03:00 +00:00
|
|
|
|
|
|
|
|
/* 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);
|
|
|
|
|
/* 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);
|
|
|
|
|
/* get the list of registered types (returns list of GstType!) */
|
|
|
|
|
GList *gst_type_get_list();
|
|
|
|
|
|
|
|
|
|
#endif /* __GST_TYPE_H__ */
|
