gstreamer/gst-libs/gst/interfaces/mixeroptions.c
Marc-Andre Lureau c161e29307 Fixes: #152864
Original commit message from CVS:
* docs/libs/gst-plugins-base-libs-sections.txt:
* ext/alsa/gstalsamixer.c:
* ext/alsa/gstalsamixer.h:
* ext/alsa/gstalsamixerelement.c:
* ext/alsa/gstalsamixertrack.c:
* gst-libs/gst/interfaces/mixer.c:
* gst-libs/gst/interfaces/mixer.h:
* gst-libs/gst/interfaces/mixeroptions.c:
* gst-libs/gst/interfaces/mixeroptions.h:
* gst-libs/gst/interfaces/mixertrack.c:
* gst-libs/gst/interfaces/mixertrack.h:
* tests/check/Makefile.am:
* tests/check/libs/mixer.c:
Patch By: Marc-Andre Lureau <marcandre.lureau@gmail.com>
Fixes: #152864
Add support for notifying mixer changes on the message bus, and
implement it in alsamixer.
API: gst_mixer_get_mixer_flags
API: gst_mixer_message_parse_mute_toggled
API: gst_mixer_message_parse_record_toggled
API: gst_mixer_message_parse_volume_changed
API: gst_mixer_message_parse_option_changed
API: GstMixerMessageType
API: GstMixerFlags
2007-07-21 09:21:12 +00:00

125 lines
3.2 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "mixeroptions.h"
#ifndef GST_DISABLE_DEPRECATED
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);
#ifndef GST_DISABLE_DEPRECATED
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 all the possible values for the mixer option.
*/
GList *
gst_mixer_options_get_values (GstMixerOptions * mixer_options)
{
if (!mixer_options->values)
return NULL;
return (GList *) mixer_options->values;
}
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);
}