gstreamer/gst/gsttypefind.h
Stefan Kost 628f773e65 gst/: splitted gsttypefind into gsttypefind, gsttypefindfactory
Original commit message from CVS:
* gst/Makefile.am:
* gst/elements/gstbufferstore.h:
* gst/elements/gsttypefindelement.c:
* gst/elements/gsttypefindelement.h:
* gst/gst.h:
* gst/gsttypefind.c:
* gst/gsttypefind.h:
* gst/gsttypefindfactory.c: (gst_type_find_factory_get_type),
(gst_type_find_factory_class_init), (gst_type_find_factory_init),
(gst_type_find_factory_dispose),
(gst_type_find_factory_unload_thyself),
(gst_type_find_load_plugin), (gst_type_find_factory_get_list),
(gst_type_find_factory_get_caps),
(gst_type_find_factory_get_extensions),
(gst_type_find_factory_call_function):
* gst/gsttypefindfactory.h:
* gst/registries/gstlibxmlregistry.c:
* gst/registries/gstxmlregistry.c:
splitted gsttypefind into gsttypefind, gsttypefindfactory
2005-09-07 12:35:23 +00:00

87 lines
2.4 KiB
C

/* GStreamer
* Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
*
* gsttypefind.h: typefinding subsystem
*
* 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_FIND_H__
#define __GST_TYPE_FIND_H__
#include <gst/gstcaps.h>
#include <gst/gstplugin.h>
#include <gst/gstpluginfeature.h>
G_BEGIN_DECLS
typedef struct _GstTypeFind GstTypeFind;
typedef void (* GstTypeFindFunction) (GstTypeFind *find, gpointer data);
typedef enum {
GST_TYPE_FIND_MINIMUM = 1,
GST_TYPE_FIND_POSSIBLE = 50,
GST_TYPE_FIND_LIKELY = 80,
GST_TYPE_FIND_NEARLY_CERTAIN = 99,
GST_TYPE_FIND_MAXIMUM = 100
} GstTypeFindProbability;
/**
* GstTypeFind:
*
* Object that stores typefind callbacks.
*/
struct _GstTypeFind {
/* private to the caller of the typefind function */
guint8 * (* peek) (gpointer data,
gint64 offset,
guint size);
void (* suggest) (gpointer data,
guint probability,
const GstCaps * caps);
gpointer data;
/* optional */
guint64 (* get_length) (gpointer data);
/* <private> */
gpointer _gst_reserved[GST_PADDING];
};
/* typefind function interface */
guint8 * gst_type_find_peek (GstTypeFind * find,
gint64 offset,
guint size);
void gst_type_find_suggest (GstTypeFind * find,
guint probability,
const GstCaps * caps);
guint64 gst_type_find_get_length (GstTypeFind * find);
/* registration interface */
gboolean gst_type_find_register (GstPlugin * plugin,
const gchar * name,
guint rank,
GstTypeFindFunction func,
gchar ** extensions,
const GstCaps * possible_caps,
gpointer data);
G_END_DECLS
#endif /* __GST_TYPE_FIND_H__ */