mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-08 18:39:54 +00:00
39b91cdb49
Original commit message from CVS: Make GstMixerTrack a GObject. I also want to make it emit several signals, starting work is in here but it's not fully implemented yet. for OSS, this will cause issues, but for ALSA, this is all automated.
122 lines
3.4 KiB
C
122 lines
3.4 KiB
C
/* GStreamer Mixer
|
|
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
|
*
|
|
* mixertrack.c: mixer track 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 "mixertrack.h"
|
|
|
|
enum {
|
|
/* FILL ME */
|
|
SIGNAL_VOLUME_CHANGED,
|
|
SIGNAL_RECORD_TOGGLED,
|
|
SIGNAL_MUTE_TOGGLED,
|
|
LAST_SIGNAL
|
|
};
|
|
|
|
static void gst_mixer_track_class_init (GstMixerTrackClass *klass);
|
|
static void gst_mixer_track_init (GstMixerTrack *mixer);
|
|
static void gst_mixer_track_dispose (GObject *object);
|
|
|
|
static GObjectClass *parent_class = NULL;
|
|
static guint signals[LAST_SIGNAL] = { 0 };
|
|
|
|
GType
|
|
gst_mixer_track_get_type (void)
|
|
{
|
|
static GType gst_mixer_track_type = 0;
|
|
|
|
if (!gst_mixer_track_type) {
|
|
static const GTypeInfo mixer_track_info = {
|
|
sizeof (GstMixerTrackClass),
|
|
NULL,
|
|
NULL,
|
|
(GClassInitFunc) gst_mixer_track_class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof (GstMixerTrack),
|
|
0,
|
|
(GInstanceInitFunc) gst_mixer_track_init,
|
|
NULL
|
|
};
|
|
|
|
gst_mixer_track_type =
|
|
g_type_register_static (G_TYPE_OBJECT,
|
|
"GstMixerTrack",
|
|
&mixer_track_info, 0);
|
|
}
|
|
|
|
return gst_mixer_track_type;
|
|
}
|
|
|
|
static void
|
|
gst_mixer_track_class_init (GstMixerTrackClass *klass)
|
|
{
|
|
GObjectClass *object_klass = (GObjectClass *) klass;
|
|
|
|
parent_class = g_type_class_ref (G_TYPE_OBJECT);
|
|
|
|
signals[SIGNAL_RECORD_TOGGLED] =
|
|
g_signal_new ("record_toggled", G_TYPE_FROM_CLASS (klass),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (GstMixerTrackClass,
|
|
record_toggled),
|
|
NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN,
|
|
G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
|
|
signals[SIGNAL_MUTE_TOGGLED] =
|
|
g_signal_new ("mute_toggled", G_TYPE_FROM_CLASS (klass),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (GstMixerTrackClass,
|
|
mute_toggled),
|
|
NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN,
|
|
G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
|
|
signals[SIGNAL_VOLUME_CHANGED] =
|
|
g_signal_new ("volume_changed", G_TYPE_FROM_CLASS (klass),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (GstMixerTrackClass,
|
|
volume_changed),
|
|
NULL, NULL, g_cclosure_marshal_VOID__POINTER,
|
|
G_TYPE_NONE, 1, G_TYPE_POINTER);
|
|
|
|
object_klass->dispose = gst_mixer_track_dispose;
|
|
}
|
|
|
|
static void
|
|
gst_mixer_track_init (GstMixerTrack *channel)
|
|
{
|
|
channel->label = NULL;
|
|
channel->min_volume = channel->max_volume = 0;
|
|
channel->flags = 0;
|
|
channel->num_channels = 0;
|
|
}
|
|
|
|
static void
|
|
gst_mixer_track_dispose (GObject *object)
|
|
{
|
|
GstMixerTrack *channel = GST_MIXER_TRACK (object);
|
|
|
|
if (channel->label)
|
|
g_free (channel->label);
|
|
|
|
if (parent_class->dispose)
|
|
parent_class->dispose (object);
|
|
}
|