1 /* GStreamer 2 * Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de> 3 * 4 * gsttypefindfactory.h: typefinding subsystem 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public 17 * License along with this library; if not, write to the 18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #ifndef __GST_TYPE_FIND_FACTORY_H__ 23 #define __GST_TYPE_FIND_FACTORY_H__ 24 25 #include <gst/gstcaps.h> 26 #include <gst/gstplugin.h> 27 #include <gst/gstpluginfeature.h> 28 #include <gst/gsttypefind.h> 29 30 G_BEGIN_DECLS 31 32 #define GST_TYPE_TYPE_FIND_FACTORY (gst_type_find_factory_get_type()) 33 #define GST_TYPE_FIND_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TYPE_FIND_FACTORY, GstTypeFindFactory)) 34 #define GST_IS_TYPE_FIND_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TYPE_FIND_FACTORY)) 35 #define GST_TYPE_FIND_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TYPE_FIND_FACTORY, GstTypeFindFactoryClass)) 36 #define GST_IS_TYPE_FIND_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TYPE_FIND_FACTORY)) 37 #define GST_TYPE_FIND_FACTORY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_TYPE_FIND_FACTORY, GstTypeFindFactoryClass)) 38 39 /** 40 * GstTypeFindFactory: 41 * 42 * Opaque object that stores information about a typefind function. 43 */ 44 typedef struct _GstTypeFindFactory GstTypeFindFactory; 45 typedef struct _GstTypeFindFactoryClass GstTypeFindFactoryClass; 46 47 /* typefinding interface */ 48 49 GST_API 50 GType gst_type_find_factory_get_type (void); 51 52 GST_API 53 GList * gst_type_find_factory_get_list (void); 54 55 GST_API 56 const gchar * const * gst_type_find_factory_get_extensions (GstTypeFindFactory *factory); 57 58 GST_API 59 GstCaps * gst_type_find_factory_get_caps (GstTypeFindFactory *factory); 60 61 GST_API 62 gboolean gst_type_find_factory_has_function (GstTypeFindFactory *factory); 63 64 GST_API 65 void gst_type_find_factory_call_function (GstTypeFindFactory *factory, 66 GstTypeFind *find); 67 68 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstTypeFindFactory, gst_object_unref) 69 70 G_END_DECLS 71 72 #endif /* __GST_TYPE_FIND_FACTORY_H__ */ 73