mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-21 07:46:38 +00:00
146 lines
3.8 KiB
C
146 lines
3.8 KiB
C
/* GStreamer Mixer
|
|
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
|
*
|
|
* mixeroptions.c: mixer track options object 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.
|
|
*/
|
|
|
|
/**
|
|
* SECTION:gstmixeroptions
|
|
* @short_description: Multi-option mixer control
|
|
* @see_also: GstMixer, GstMixerTrack
|
|
*
|
|
* Mixer control object that allows switching between multiple options.
|
|
* Note that <classname>GstMixerOptions</classname> is a subclass of
|
|
* <classname>GstMixerTrack</classname>.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "mixeroptions.h"
|
|
|
|
#if 0
|
|
enum
|
|
{
|
|
/* FILL ME */
|
|
SIGNAL_OPTION_CHANGED,
|
|
LAST_SIGNAL
|
|
};
|
|
static guint signals[LAST_SIGNAL] = { 0 };
|
|
#endif
|
|
|
|
static void gst_mixer_options_class_init (GstMixerOptionsClass * klass);
|
|
static void gst_mixer_options_init (GstMixerOptions * mixer);
|
|
static void gst_mixer_options_dispose (GObject * object);
|
|
|
|
static GObjectClass *parent_class = NULL;
|
|
|
|
GType
|
|
gst_mixer_options_get_type (void)
|
|
{
|
|
static GType gst_mixer_options_type = 0;
|
|
|
|
if (!gst_mixer_options_type) {
|
|
static const GTypeInfo mixer_options_info = {
|
|
sizeof (GstMixerOptionsClass),
|
|
NULL,
|
|
NULL,
|
|
(GClassInitFunc) gst_mixer_options_class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof (GstMixerOptions),
|
|
0,
|
|
(GInstanceInitFunc) gst_mixer_options_init,
|
|
NULL
|
|
};
|
|
|
|
gst_mixer_options_type =
|
|
g_type_register_static (GST_TYPE_MIXER_TRACK,
|
|
"GstMixerOptions", &mixer_options_info, 0);
|
|
}
|
|
|
|
return gst_mixer_options_type;
|
|
}
|
|
|
|
static void
|
|
gst_mixer_options_class_init (GstMixerOptionsClass * klass)
|
|
{
|
|
GObjectClass *object_klass = (GObjectClass *) klass;
|
|
|
|
parent_class = g_type_class_peek_parent (klass);
|
|
#if 0
|
|
signals[SIGNAL_OPTION_CHANGED] =
|
|
g_signal_new ("option_changed", G_TYPE_FROM_CLASS (klass),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (GstMixerOptionsClass, option_changed),
|
|
NULL, NULL, g_cclosure_marshal_VOID__STRING,
|
|
G_TYPE_NONE, 1, G_TYPE_STRING);
|
|
#endif
|
|
|
|
object_klass->dispose = gst_mixer_options_dispose;
|
|
}
|
|
|
|
static void
|
|
gst_mixer_options_init (GstMixerOptions * mixer_options)
|
|
{
|
|
mixer_options->values = NULL;
|
|
}
|
|
|
|
/**
|
|
* gst_mixer_options_get_values:
|
|
* @mixer_options: The #GstMixerOptions item that owns the values.
|
|
*
|
|
* Get the values for the mixer option.
|
|
*
|
|
* Returns: A list of strings with all the possible values for the mixer
|
|
* option. You must not free or modify the list or its contents, it belongs
|
|
* to the @mixer_options object.
|
|
*/
|
|
GList *
|
|
gst_mixer_options_get_values (GstMixerOptions * mixer_options)
|
|
{
|
|
GstMixerOptionsClass *klass;
|
|
GList *ret = NULL;
|
|
|
|
g_return_val_if_fail (GST_IS_MIXER_OPTIONS (mixer_options), NULL);
|
|
|
|
klass = GST_MIXER_OPTIONS_GET_CLASS (mixer_options);
|
|
|
|
if (klass->get_values != NULL) {
|
|
ret = klass->get_values (mixer_options);
|
|
} else {
|
|
ret = mixer_options->values;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
static void
|
|
gst_mixer_options_dispose (GObject * object)
|
|
{
|
|
GstMixerOptions *opts = GST_MIXER_OPTIONS (object);
|
|
|
|
g_list_foreach (opts->values, (GFunc) g_free, NULL);
|
|
g_list_free (opts->values);
|
|
opts->values = NULL;
|
|
|
|
if (parent_class->dispose)
|
|
parent_class->dispose (object);
|
|
}
|