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6b286fb7dd
We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
131 lines
4.2 KiB
C
131 lines
4.2 KiB
C
/* GStreamer
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*
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* Copyright (C) 2011 Stefan Sauer <ensonic@users.sf.net>
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*
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* gstdirectcontrolbinding.h: Direct attachment for control sources
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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_DIRECT_CONTROL_BINDING_H__
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#define __GST_DIRECT_CONTROL_BINDING_H__
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#include <gst/gstconfig.h>
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#include <glib-object.h>
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#include <gst/gstcontrolsource.h>
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#include <gst/controller/controller-prelude.h>
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G_BEGIN_DECLS
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#define GST_TYPE_DIRECT_CONTROL_BINDING \
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(gst_direct_control_binding_get_type())
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#define GST_DIRECT_CONTROL_BINDING(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DIRECT_CONTROL_BINDING,GstDirectControlBinding))
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#define GST_DIRECT_CONTROL_BINDING_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DIRECT_CONTROL_BINDING,GstDirectControlBindingClass))
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#define GST_IS_DIRECT_CONTROL_BINDING(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DIRECT_CONTROL_BINDING))
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#define GST_IS_DIRECT_CONTROL_BINDING_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DIRECT_CONTROL_BINDING))
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#define GST_DIRECT_CONTROL_BINDING_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_CONTOL_SOURCE, GstDirectControlBindingClass))
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typedef struct _GstDirectControlBinding GstDirectControlBinding;
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typedef struct _GstDirectControlBindingClass GstDirectControlBindingClass;
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/**
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* GstDirectControlBindingConvertValue:
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* @self: the #GstDirectControlBinding instance
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* @src_value: the value returned by the cotnrol source
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* @dest_value: the target location
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*
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* Function to map a control-value to the target plain data type.
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*/
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typedef void (* GstDirectControlBindingConvertValue) (GstDirectControlBinding *self, gdouble src_value, gpointer dest_value);
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/**
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* GstDirectControlBindingConvertGValue:
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* @self: the #GstDirectControlBinding instance
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* @src_value: the value returned by the cotnrol source
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* @dest_value: the target GValue
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*
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* Function to map a control-value to the target GValue.
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*/
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typedef void (* GstDirectControlBindingConvertGValue) (GstDirectControlBinding *self, gdouble src_value, GValue *dest_value);
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/**
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* GstDirectControlBinding:
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* @name: name of the property of this binding
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*
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* The instance structure of #GstDirectControlBinding.
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*/
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struct _GstDirectControlBinding {
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GstControlBinding parent;
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/*< private >*/
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GstControlSource *cs; /* GstControlSource for this property */
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GValue cur_value;
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gdouble last_value;
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gint byte_size;
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GstDirectControlBindingConvertValue convert_value;
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GstDirectControlBindingConvertGValue convert_g_value;
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union {
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gpointer _gst_reserved[GST_PADDING];
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struct {
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gboolean want_absolute;
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} abi;
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} ABI;
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};
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/**
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* GstDirectControlBindingClass:
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* @parent_class: Parent class
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* @convert: Class method to convert control-values
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*
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* The class structure of #GstDirectControlBinding.
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*/
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struct _GstDirectControlBindingClass
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{
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GstControlBindingClass parent_class;
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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GST_CONTROLLER_API
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GType gst_direct_control_binding_get_type (void);
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/* Functions */
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GST_CONTROLLER_API
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GstControlBinding * gst_direct_control_binding_new (GstObject * object, const gchar * property_name,
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GstControlSource * cs);
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GST_CONTROLLER_API
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GstControlBinding * gst_direct_control_binding_new_absolute (GstObject * object, const gchar * property_name,
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GstControlSource * cs);
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#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstDirectControlBinding, gst_object_unref)
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#endif
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G_END_DECLS
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#endif /* __GST_DIRECT_CONTROL_BINDING_H__ */
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