mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-19 10:30:30 +00:00
97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
/* GStreamer PropertyProbe
|
|
* Copyright (C) 2003 David A. Schleef <ds@schleef.org>
|
|
*
|
|
* property_probe.h: property_probe interface design
|
|
*
|
|
* 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_PROPERTY_PROBE_H__
|
|
#define __GST_PROPERTY_PROBE_H__
|
|
|
|
#include <gst/gst.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_PROPERTY_PROBE \
|
|
(gst_property_probe_get_type ())
|
|
#define GST_PROPERTY_PROBE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PROPERTY_PROBE, GstPropertyProbe))
|
|
#define GST_IS_PROPERTY_PROBE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PROPERTY_PROBE))
|
|
#define GST_PROPERTY_PROBE_GET_IFACE(obj) \
|
|
(G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_PROPERTY_PROBE, GstPropertyProbeInterface))
|
|
|
|
typedef struct _GstPropertyProbe GstPropertyProbe; /* dummy typedef */
|
|
|
|
typedef struct _GstPropertyProbeInterface {
|
|
GTypeInterface klass;
|
|
|
|
/* signals */
|
|
void (*probe_needed) (GstPropertyProbe *probe,
|
|
const GParamSpec *pspec);
|
|
|
|
/* virtual functions */
|
|
const GList * (*get_properties) (GstPropertyProbe *probe);
|
|
gboolean (*needs_probe) (GstPropertyProbe *probe,
|
|
guint prop_id,
|
|
const GParamSpec *pspec);
|
|
void (*probe_property) (GstPropertyProbe *probe,
|
|
guint prop_id,
|
|
const GParamSpec *pspec);
|
|
GValueArray * (*get_values) (GstPropertyProbe *probe,
|
|
guint prop_id,
|
|
const GParamSpec *pspec);
|
|
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
} GstPropertyProbeInterface;
|
|
|
|
GType gst_property_probe_get_type (void);
|
|
|
|
/* virtual class function wrappers */
|
|
|
|
/* returns list of GParamSpecs */
|
|
const GList * gst_property_probe_get_properties (GstPropertyProbe *probe);
|
|
const GParamSpec *gst_property_probe_get_property (GstPropertyProbe *probe,
|
|
const gchar *name);
|
|
|
|
/* probe one property */
|
|
void gst_property_probe_probe_property (GstPropertyProbe *probe,
|
|
const GParamSpec *pspec);
|
|
void gst_property_probe_probe_property_name (GstPropertyProbe *probe,
|
|
const gchar *name);
|
|
|
|
/* do we need a probe? */
|
|
gboolean gst_property_probe_needs_probe (GstPropertyProbe *probe,
|
|
const GParamSpec *pspec);
|
|
gboolean gst_property_probe_needs_probe_name (GstPropertyProbe *probe,
|
|
const gchar *name);
|
|
|
|
/* returns list of GValues */
|
|
GValueArray * gst_property_probe_get_values (GstPropertyProbe *probe,
|
|
const GParamSpec *pspec);
|
|
GValueArray * gst_property_probe_get_values_name (GstPropertyProbe *probe,
|
|
const gchar *name);
|
|
|
|
/* sugar */
|
|
GValueArray * gst_property_probe_probe_and_get_values (GstPropertyProbe *probe,
|
|
const GParamSpec *pspec);
|
|
GValueArray * gst_property_probe_probe_and_get_values_name (GstPropertyProbe *probe,
|
|
const gchar *name);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_PROPERTY_PROBE_H__ */
|