gstreamer/gst/gstvalue.h

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/* GStreamer
* Copyright (C) <2003> David A. Schleef <ds@schleef.org>
*
* 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_VALUE_H__
#define __GST_VALUE_H__
#include <gst/gstconfig.h>
G_BEGIN_DECLS
typedef int (* GstValueCompareFunc) (const GValue *value1,
const GValue *value2);
typedef int (* GstValueUnionFunc) (GValue *dest, const GValue *value1,
const GValue *value2);
typedef int (* GstValueIntersectFunc) (GValue *dest, const GValue *value1,
const GValue *value2);
#define GST_VALUE_HOLDS_FOURCC(x) TRUE
#define GST_TYPE_FOURCC gst_type_fourcc
#define GST_TYPE_INT_RANGE gst_type_int_range
#define GST_TYPE_DOUBLE_RANGE gst_type_double_range
extern GType gst_type_fourcc;
extern GType gst_type_int_range;
extern GType gst_type_double_range;
void gst_value_set_fourcc (GValue *value, guint32 fourcc);
guint32 gst_value_get_fourcc (const GValue *value);
void gst_value_set_int_range (GValue *value, int start, int end);
int gst_value_get_int_range_min (const GValue *value);
int gst_value_get_int_range_max (const GValue *value);
void gst_value_set_double_range (GValue *value, double start, double end);
double gst_value_get_double_range_start (const GValue *value);
double gst_value_get_double_range_end (const GValue *value);
void _gst_value_initialize (void);
G_END_DECLS
#endif