mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-18 15:51:11 +00:00
8ce063f780
Original commit message from CVS: * docs/gst/Makefile.am: Disable a bunch of headers from being scanned * docs/gst/gstreamer-docs.sgml: More hacking * docs/gst/gstreamer-sections.txt: * docs/gst/tmpl/cothreads_compat.sgml: * docs/gst/tmpl/gstcaps.sgml: * docs/gst/tmpl/gstclock.sgml: * docs/gst/tmpl/gstelement.sgml: * docs/gst/tmpl/gstevent.sgml: * docs/gst/tmpl/gstpad.sgml: * docs/gst/tmpl/gstutils.sgml: * docs/gst/tmpl/gstxml.sgml: * docs/gst/tmpl/gthread-cothreads.sgml: * docs/random/ds/0.9-suggested-changes: * gst/elements/gstfakesink.h: doc fixes * gst/elements/gstfakesrc.h: doc fixes * gst/gstcaps.c: doc fixes * gst/gstcaps.h: doc fixes * gst/gstelement.c: doc fixes * gst/gstelement.h: doc fixes * gst/gstindex.c: doc fixes * gst/gstinfo.c: doc fixes * gst/gstpad.c: doc fixes * gst/gstpad.h: doc fixes * gst/gstplugin.c: doc fixes * gst/gsttypefind.h: doc fixes * gst/gsturi.c: doc fixes * gst/gstvalue.c: doc fixes
125 lines
4.2 KiB
C
125 lines
4.2 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/gstbuffer.h>
|
|
#include <gst/gstcaps.h>
|
|
#include <gst/gstplugin.h>
|
|
#include <gst/gstpluginfeature.h>
|
|
#include <gst/gsttypes.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_TYPE_FIND_FACTORY (gst_type_find_factory_get_type())
|
|
#define GST_TYPE_FIND_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TYPE_FIND_FACTORY, GstTypeFindFactory))
|
|
#define GST_IS_TYPE_FIND_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TYPE_FIND_FACTORY))
|
|
#define GST_TYPE_FIND_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TYPE_FIND_FACTORY, GstTypeFindFactoryClass))
|
|
#define GST_IS_TYPE_FIND_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TYPE_FIND_FACTORY))
|
|
#define GST_TYPE_FIND_FACTORY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_TYPE_FIND_FACTORY, GstTypeFindFactoryClass))
|
|
|
|
typedef struct _GstTypeFind GstTypeFind;
|
|
typedef struct _GstTypeFindFactory GstTypeFindFactory;
|
|
typedef struct _GstTypeFindFactoryClass GstTypeFindFactoryClass;
|
|
|
|
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;
|
|
|
|
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];
|
|
};
|
|
|
|
struct _GstTypeFindFactory {
|
|
GstPluginFeature feature;
|
|
/* <private> */
|
|
|
|
GstTypeFindFunction function;
|
|
gchar ** extensions;
|
|
GstCaps * caps; /* FIXME: not yet saved in registry */
|
|
|
|
gpointer user_data;
|
|
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
struct _GstTypeFindFactoryClass {
|
|
GstPluginFeatureClass parent;
|
|
/* <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);
|
|
|
|
/* typefinding interface */
|
|
|
|
GType gst_type_find_factory_get_type (void);
|
|
|
|
GList * gst_type_find_factory_get_list (void);
|
|
|
|
gchar ** gst_type_find_factory_get_extensions (const GstTypeFindFactory *factory);
|
|
const GstCaps * gst_type_find_factory_get_caps (const GstTypeFindFactory *factory);
|
|
void gst_type_find_factory_call_function (const GstTypeFindFactory *factory,
|
|
GstTypeFind *find);
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_TYPE_FIND_H__ */
|