mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-27 02:30:35 +00:00
ecd88e381d
Original commit message from CVS: Revert again, this time without post-commit reindent hooks to put back the indentation :-)
79 lines
3 KiB
C
79 lines
3 KiB
C
/* GStreamer
|
|
* Copyright (C) 2001 Steve Baker <stevebaker_org@yahoo.co.uk>
|
|
*
|
|
* unitconvert.c: Conversion between units of measurement
|
|
*
|
|
* 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_UNITCONVERT_H__
|
|
#define __GST_UNITCONVERT_H__
|
|
|
|
#include <gst/gstobject.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_UNIT_CONVERT (gst_unitconv_get_type ())
|
|
#define GST_UNIT_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_UNIT_CONVERT,GstUnitConvert))
|
|
#define GST_UNIT_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_UNIT_CONVERT,GstUnitConvert))
|
|
#define GST_IS_UNIT_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_UNIT_CONVERT))
|
|
#define GST_IS_UNIT_CONVERT_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_UNIT_CONVERT))
|
|
|
|
#define GST_UNIT_CONVERT_NAME(unitconv) (GST_OBJECT_NAME(unitconv))
|
|
#define GST_UNIT_CONVERT_PARENT(unitconv) (GST_OBJECT_PARENT(unitconv))
|
|
|
|
typedef struct _GstUnitConvertClass GstUnitConvertClass;
|
|
typedef struct _GstUnitConvert GstUnitConvert;
|
|
|
|
typedef void (*GstUnitConvertFunc) (GstUnitConvert *unitconv, GValue *from_val, GValue *to_val);
|
|
|
|
struct _GstUnitConvert {
|
|
GstObject object;
|
|
|
|
GHashTable *convert_params;
|
|
GSList *convert_func_chain;
|
|
GSList *temp_gvalues;
|
|
};
|
|
|
|
struct _GstUnitConvertClass {
|
|
GstObjectClass parent_class;
|
|
|
|
/* signal callbacks */
|
|
};
|
|
|
|
GType gst_unitconv_get_type (void);
|
|
|
|
GstUnitConvert* gst_unitconv_new (void);
|
|
void _gst_unitconv_initialize (void);
|
|
|
|
gboolean gst_unitconv_set_convert_units(GstUnitConvert *unitconv, gchar *from_unit_named, gchar *to_unit_named);
|
|
gboolean gst_unitconv_convert_value(GstUnitConvert *unitconv, GValue *from_value, GValue *to_value);
|
|
|
|
GParamSpec* gst_unitconv_unit_spec(gchar *unit_name);
|
|
gboolean gst_unitconv_unit_exists(gchar *unit_name);
|
|
gboolean gst_unitconv_unit_is_logarithmic(gchar *unit_name);
|
|
|
|
gboolean gst_unitconv_register_unit(const gchar *domain_name,
|
|
gboolean is_domain_default,
|
|
gboolean is_logarithmic,
|
|
GParamSpec *unit_spec);
|
|
|
|
gboolean gst_unitconv_register_convert_func(gchar *from_unit_named, gchar *to_unit_named, GstUnitConvertFunc convert_func);
|
|
gboolean gst_unitconv_register_convert_property(gchar *unit_name, GParamSpec *convert_prop_spec);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_UNITCONVERT_H__ */
|