mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-29 11:40:38 +00:00
91b0389731
Original commit message from CVS: hacking. Add value_compare, value_union, and value_intersect functions
109 lines
3.8 KiB
C
109 lines
3.8 KiB
C
/* 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_STRUCTURE_H__
|
|
#define __GST_STRUCTURE_H__
|
|
|
|
#include <gst/gstconfig.h>
|
|
#include <glib-object.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GstStructure GstStructure;
|
|
typedef struct _GstStructureField GstStructureField;
|
|
|
|
typedef void (*GstStructureForeachFunc) (GstStructure *structure,
|
|
GQuark field_id, GValue *value, gpointer user_data);
|
|
|
|
struct _GstStructure {
|
|
int len;
|
|
|
|
GQuark name;
|
|
|
|
GArray *fields;
|
|
};
|
|
|
|
struct _GstStructureField {
|
|
GQuark name;
|
|
GValue value;
|
|
};
|
|
|
|
#define GST_STRUCTURE_FIELD(structure, index) \
|
|
&g_array_index((structure)->fields, GstStructureField, (index))
|
|
|
|
GType gst_structure_get_type(void);
|
|
void _gst_structure_initialize(void);
|
|
|
|
GstStructure *gst_structure_empty_new(const gchar *name);
|
|
GstStructure *gst_structure_new(const gchar *name,
|
|
const gchar *firstfield, ...);
|
|
GstStructure *gst_structure_new_valist(const gchar *name,
|
|
const gchar *firstfield, va_list varargs);
|
|
GstStructure *gst_structure_copy(GstStructure *structure);
|
|
void gst_structure_free(GstStructure *structure);
|
|
|
|
const gchar *gst_structure_get_name(GstStructure *structure);
|
|
void gst_structure_set_name(GstStructure *structure, const gchar *name);
|
|
void gst_structure_set_field(GstStructure *structure,
|
|
GstStructureField *field);
|
|
|
|
void gst_structure_id_set_value(GstStructure *structure, GQuark field,
|
|
GValue *value);
|
|
void gst_structure_set_value(GstStructure *structure, const gchar *field,
|
|
GValue *value);
|
|
void gst_structure_set(GstStructure *structure, const gchar *field, ...);
|
|
void gst_structure_set_valist(GstStructure *structure, const gchar *field,
|
|
va_list varargs);
|
|
const GValue *gst_structure_get_value(GstStructure *structure, const gchar *field);
|
|
GstStructureField *gst_structure_get_field(GstStructure *structure,
|
|
const gchar *fieldname);
|
|
GstStructureField *gst_structure_id_get_field(GstStructure *structure,
|
|
GQuark fieldname);
|
|
void gst_structure_remove_field(GstStructure *structure, const gchar *field);
|
|
|
|
GType gst_structure_get_field_type(GstStructure *structure,
|
|
const gchar *field);
|
|
void gst_structure_field_foreach (GstStructure *structure,
|
|
GstStructureForeachFunc func, gpointer user_data);
|
|
gint gst_structure_n_fields(GstStructure *structure);
|
|
gboolean gst_structure_has_field(GstStructure *structure, const gchar *field);
|
|
gboolean gst_structure_has_field_typed(GstStructure *structure,
|
|
const gchar *field, GType type);
|
|
|
|
/* utility functions */
|
|
|
|
gboolean gst_structure_get_boolean(GstStructure *structure, const gchar *field,
|
|
gboolean *value);
|
|
gboolean gst_structure_get_int(GstStructure *structure, const gchar *field,
|
|
gint *value);
|
|
gboolean gst_structure_get_fourcc(GstStructure *structure, const gchar *field,
|
|
guint32 *value);
|
|
gboolean gst_structure_get_double(GstStructure *structure, const gchar *field,
|
|
gdouble *value);
|
|
const gchar *gst_structure_get_string(GstStructure *structure,
|
|
const gchar *field);
|
|
|
|
gchar * gst_structure_to_string(GstStructure *structure);
|
|
GstStructure * gst_structure_from_string (const gchar *string);
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif
|
|
|