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110 lines
3.8 KiB
C
110 lines
3.8 KiB
C
/* GStreamer
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* Copyright (C) 2015 Jan Schmidt <jan@centricular.com>
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*
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* gstdynamictypefactory.h: Header for GstDynamicTypeFactory
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_DYNAMIC_TYPE_FACTORY_H__
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#define __GST_DYNAMIC_TYPE_FACTORY_H__
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/**
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* GST_DYNAMIC_TYPE_REGISTER_DEFINE:
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* @t_n: The dynamic type name in lower case, with words separated by '_'.
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* Used to generate `gst_dynamic_type_register_*(GstPlugin* plugin)`.
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* @t: The #GType of the dynamic type
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* A convenience macro to define the entry point of a
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* dynamic type `gst_dynamic_type_register_*(GstPlugin* plugin)`.
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*
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* Since: 1.20
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*/
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#define GST_DYNAMIC_TYPE_REGISTER_DEFINE(t_n, t) \
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G_BEGIN_DECLS \
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gboolean G_PASTE (gst_dynamic_type_register_, t_n) (GstPlugin * plugin) \
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{ \
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return gst_dynamic_type_register (plugin, t); \
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} \
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G_END_DECLS
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/**
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* GST_DYNAMIC_TYPE_REGISTER_DECLARE:
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* @t_f: The dynamic type name in lower case, with words separated by '_'.
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*
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* This macro can be used to declare a new dynamic type.
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* It has to be used in combination with #GST_DYNAMIC_TYPE_REGISTER_DEFINE macro
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* and must be placed outside any block to declare the type find registration
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* function.
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*
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* Since: 1.20
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*/
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#define GST_DYNAMIC_TYPE_REGISTER_DECLARE(t_n) \
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G_BEGIN_DECLS \
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gboolean G_PASTE(gst_dynamic_type_register_, t_n) (GstPlugin * plugin); \
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G_END_DECLS
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/**
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* GST_DYNAMIC_TYPE_REGISTER:
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* @t_n: The dynamic type name to register
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* @plugin: The #GstPlugin where to register the dynamic type.
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*
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* This macro can be used to register a dynamic type into a #GstPlugin.
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* This method will be usually called in the plugin init function
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* but can also be called with a NULL plugin.
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*
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* Since: 1.20
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*/
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#define GST_DYNAMIC_TYPE_REGISTER(t_n, plugin) G_PASTE(gst_dynamic_type_register_, t_n) (plugin)
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/**
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* GstDynamicTypeFactory:
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*
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* The opaque #GstDynamicTypeFactory data structure.
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*
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* Since: 1.12
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*/
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typedef struct _GstDynamicTypeFactory GstDynamicTypeFactory;
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typedef struct _GstDynamicTypeFactoryClass GstDynamicTypeFactoryClass;
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#include <gst/gstconfig.h>
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#include <gst/gstplugin.h>
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#include <gst/gstpluginfeature.h>
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G_BEGIN_DECLS
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#define GST_TYPE_DYNAMIC_TYPE_FACTORY (gst_dynamic_type_factory_get_type())
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#define GST_DYNAMIC_TYPE_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DYNAMIC_TYPE_FACTORY,\
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GstDynamicTypeFactory))
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#define GST_DYNAMIC_TYPE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DYNAMIC_TYPE_FACTORY,\
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GstDynamicTypeFactoryClass))
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#define GST_IS_DYNAMIC_TYPE_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DYNAMIC_TYPE_FACTORY))
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#define GST_IS_DYNAMIC_TYPE_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DYNAMIC_TYPE_FACTORY))
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#define GST_DYNAMIC_TYPE_FACTORY_CAST(obj) ((GstDynamicTypeFactory *)(obj))
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GST_API
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GType gst_dynamic_type_factory_get_type (void);
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GST_API
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GType gst_dynamic_type_factory_load (const gchar *factoryname);
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GST_API
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gboolean gst_dynamic_type_register (GstPlugin *plugin, GType type);
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G_END_DECLS
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#endif
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