mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-26 03:31:05 +00:00
86abdbfb55
Structure size was increased without adjustment of the padding. https://bugzilla.gnome.org/show_bug.cgi?id=751622 https://bugzilla.gnome.org/show_bug.cgi?id=740502
123 lines
4 KiB
C
123 lines
4 KiB
C
/* GStreamer
|
|
*
|
|
* Copyright (C) 2011 Stefan Sauer <ensonic@users.sf.net>
|
|
*
|
|
* gstdirectcontrolbinding.h: Direct attachment for control sources
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __GST_DIRECT_CONTROL_BINDING_H__
|
|
#define __GST_DIRECT_CONTROL_BINDING_H__
|
|
|
|
#include <gst/gstconfig.h>
|
|
|
|
#include <glib-object.h>
|
|
|
|
#include <gst/gstcontrolsource.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_DIRECT_CONTROL_BINDING \
|
|
(gst_direct_control_binding_get_type())
|
|
#define GST_DIRECT_CONTROL_BINDING(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DIRECT_CONTROL_BINDING,GstDirectControlBinding))
|
|
#define GST_DIRECT_CONTROL_BINDING_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DIRECT_CONTROL_BINDING,GstDirectControlBindingClass))
|
|
#define GST_IS_DIRECT_CONTROL_BINDING(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DIRECT_CONTROL_BINDING))
|
|
#define GST_IS_DIRECT_CONTROL_BINDING_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DIRECT_CONTROL_BINDING))
|
|
#define GST_DIRECT_CONTROL_BINDING_GET_CLASS(obj) \
|
|
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_CONTOL_SOURCE, GstDirectControlBindingClass))
|
|
|
|
typedef struct _GstDirectControlBinding GstDirectControlBinding;
|
|
typedef struct _GstDirectControlBindingClass GstDirectControlBindingClass;
|
|
|
|
/**
|
|
* GstDirectControlBindingConvertValue:
|
|
* @self: the #GstDirectControlBinding instance
|
|
* @src_value: the value returned by the cotnrol source
|
|
* @dest_value: the target location
|
|
*
|
|
* Function to map a control-value to the target plain data type.
|
|
*/
|
|
typedef void (* GstDirectControlBindingConvertValue) (GstDirectControlBinding *self, gdouble src_value, gpointer dest_value);
|
|
|
|
/**
|
|
* GstDirectControlBindingConvertGValue:
|
|
* @self: the #GstDirectControlBinding instance
|
|
* @src_value: the value returned by the cotnrol source
|
|
* @dest_value: the target GValue
|
|
*
|
|
* Function to map a control-value to the target GValue.
|
|
*/
|
|
typedef void (* GstDirectControlBindingConvertGValue) (GstDirectControlBinding *self, gdouble src_value, GValue *dest_value);
|
|
|
|
/**
|
|
* GstDirectControlBinding:
|
|
* @name: name of the property of this binding
|
|
*
|
|
* The instance structure of #GstDirectControlBinding.
|
|
*/
|
|
struct _GstDirectControlBinding {
|
|
GstControlBinding parent;
|
|
|
|
/*< private >*/
|
|
GstControlSource *cs; /* GstControlSource for this property */
|
|
GValue cur_value;
|
|
gdouble last_value;
|
|
gint byte_size;
|
|
|
|
GstDirectControlBindingConvertValue convert_value;
|
|
GstDirectControlBindingConvertGValue convert_g_value;
|
|
|
|
union {
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
struct {
|
|
gboolean want_absolute;
|
|
} abi;
|
|
} ABI;};
|
|
|
|
/**
|
|
* GstDirectControlBindingClass:
|
|
* @parent_class: Parent class
|
|
* @convert: Class method to convert control-values
|
|
*
|
|
* The class structure of #GstDirectControlBinding.
|
|
*/
|
|
|
|
struct _GstDirectControlBindingClass
|
|
{
|
|
GstControlBindingClass parent_class;
|
|
|
|
/*< private >*/
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
GType gst_direct_control_binding_get_type (void);
|
|
|
|
/* Functions */
|
|
|
|
GstControlBinding * gst_direct_control_binding_new (GstObject * object, const gchar * property_name,
|
|
GstControlSource * cs);
|
|
|
|
GstControlBinding * gst_direct_control_binding_new_absolute (GstObject * object, const gchar * property_name,
|
|
GstControlSource * cs);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_DIRECT_CONTROL_BINDING_H__ */
|