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146 lines
3.8 KiB
C
146 lines
3.8 KiB
C
/* GStreamer Mixer
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* mixeroptions.c: mixer track options object design
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:gstmixeroptions
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* @short_description: Multi-option mixer control
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* @see_also: GstMixer, GstMixerTrack
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*
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* Mixer control object that allows switching between multiple options.
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* Note that <classname>GstMixerOptions</classname> is a subclass of
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* <classname>GstMixerTrack</classname>.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "mixeroptions.h"
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#if 0
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enum
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{
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/* FILL ME */
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SIGNAL_OPTION_CHANGED,
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LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL] = { 0 };
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#endif
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static void gst_mixer_options_class_init (GstMixerOptionsClass * klass);
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static void gst_mixer_options_init (GstMixerOptions * mixer);
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static void gst_mixer_options_dispose (GObject * object);
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static GObjectClass *parent_class = NULL;
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GType
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gst_mixer_options_get_type (void)
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{
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static GType gst_mixer_options_type = 0;
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if (!gst_mixer_options_type) {
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static const GTypeInfo mixer_options_info = {
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sizeof (GstMixerOptionsClass),
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NULL,
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NULL,
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(GClassInitFunc) gst_mixer_options_class_init,
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NULL,
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NULL,
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sizeof (GstMixerOptions),
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0,
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(GInstanceInitFunc) gst_mixer_options_init,
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NULL
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};
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gst_mixer_options_type =
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g_type_register_static (GST_TYPE_MIXER_TRACK,
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"GstMixerOptions", &mixer_options_info, 0);
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}
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return gst_mixer_options_type;
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}
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static void
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gst_mixer_options_class_init (GstMixerOptionsClass * klass)
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{
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GObjectClass *object_klass = (GObjectClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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#if 0
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signals[SIGNAL_OPTION_CHANGED] =
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g_signal_new ("option_changed", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstMixerOptionsClass, option_changed),
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NULL, NULL, g_cclosure_marshal_VOID__STRING,
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G_TYPE_NONE, 1, G_TYPE_STRING);
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#endif
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object_klass->dispose = gst_mixer_options_dispose;
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}
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static void
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gst_mixer_options_init (GstMixerOptions * mixer_options)
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{
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mixer_options->values = NULL;
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}
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/**
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* gst_mixer_options_get_values:
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* @mixer_options: The #GstMixerOptions item that owns the values.
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*
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* Get the values for the mixer option.
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*
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* Returns: A list of strings with all the possible values for the mixer
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* option. You must not free or modify the list or its contents, it belongs
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* to the @mixer_options object.
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*/
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GList *
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gst_mixer_options_get_values (GstMixerOptions * mixer_options)
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{
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GstMixerOptionsClass *klass;
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GList *ret = NULL;
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g_return_val_if_fail (GST_IS_MIXER_OPTIONS (mixer_options), NULL);
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klass = GST_MIXER_OPTIONS_GET_CLASS (mixer_options);
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if (klass->get_values != NULL) {
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ret = klass->get_values (mixer_options);
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} else {
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ret = mixer_options->values;
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}
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return ret;
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}
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static void
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gst_mixer_options_dispose (GObject * object)
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{
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GstMixerOptions *opts = GST_MIXER_OPTIONS (object);
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g_list_foreach (opts->values, (GFunc) g_free, NULL);
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g_list_free (opts->values);
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opts->values = NULL;
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if (parent_class->dispose)
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parent_class->dispose (object);
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}
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