gstreamer/gst-libs/gst/mixer/mixertrack.c
Jan Schmidt b8f7fdfce3 Fixes a bunch of problems with finalize and dispose functions, either assumptions that dispose is only called once, o...
Original commit message from CVS:
* ext/alsa/gstalsa.c: (gst_alsa_class_init), (gst_alsa_dispose),
(gst_alsa_finalize):
* ext/cdaudio/gstcdaudio.c: (gst_cdaudio_class_init),
(gst_cdaudio_finalize):
* ext/cdparanoia/gstcdparanoia.c: (cdparanoia_class_init),
(cdparanoia_finalize):
* ext/divx/gstdivxdec.c: (gst_divxdec_dispose):
* ext/divx/gstdivxenc.c: (gst_divxenc_dispose):
* ext/dvdread/dvdreadsrc.c: (dvdreadsrc_class_init),
(dvdreadsrc_finalize):
* ext/flac/gstflacdec.c: (gst_flacdec_class_init),
(gst_flacdec_finalize):
* ext/flac/gstflacenc.c: (gst_flacenc_class_init),
(gst_flacenc_finalize):
* ext/gnomevfs/gstgnomevfssink.c: (gst_gnomevfssink_class_init),
(gst_gnomevfssink_finalize):
* ext/gnomevfs/gstgnomevfssrc.c: (gst_gnomevfssrc_class_init),
(gst_gnomevfssrc_finalize):
* ext/libfame/gstlibfame.c: (gst_fameenc_class_init),
(gst_fameenc_finalize):
* ext/nas/nassink.c: (gst_nassink_class_init),
(gst_nassink_finalize):
* ext/sdl/sdlvideosink.c: (gst_sdlvideosink_finalize),
(gst_sdlvideosink_class_init):
* ext/sndfile/gstsf.c: (gst_sf_dispose):
* gst-libs/gst/mixer/mixertrack.c: (gst_mixer_track_dispose):
* gst-libs/gst/tuner/tunerchannel.c: (gst_tuner_channel_dispose):
* gst-libs/gst/tuner/tunernorm.c: (gst_tuner_norm_dispose):
* gst-libs/gst/xwindowlistener/xwindowlistener.c:
(gst_x_window_listener_dispose):
* gst/audioscale/gstaudioscale.c:
* gst/playondemand/gstplayondemand.c: (play_on_demand_class_init),
(play_on_demand_finalize):
* gst/videofilter/gstvideobalance.c: (gst_videobalance_dispose):
* gst/videoscale/gstvideoscale.c: (gst_videoscale_chain):
* sys/cdrom/gstcdplayer.c: (cdplayer_class_init),
(cdplayer_finalize):
* sys/glsink/glimagesink.c: (gst_glimagesink_finalize),
(gst_glimagesink_class_init):
* sys/oss/gstosselement.c: (gst_osselement_class_init),
(gst_osselement_finalize):
* sys/oss/gstosssink.c: (gst_osssink_dispose):
* sys/oss/gstosssrc.c: (gst_osssrc_dispose):
* sys/v4l/gstv4lelement.c: (gst_v4lelement_dispose):
Fixes a bunch of problems with finalize and dispose functions,
either assumptions that dispose is only called once, or not calling
the parent class dispose/finalize function
2004-11-01 14:43:38 +00:00

193 lines
5.5 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
};
enum
{
ARG_0,
ARG_LABEL,
ARG_MIN_VOLUME,
ARG_MAX_VOLUME,
ARG_FLAGS,
ARG_NUM_CHANNELS
};
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 void gst_mixer_track_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
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 = G_OBJECT_CLASS (klass);
parent_class = g_type_class_ref (G_TYPE_OBJECT);
object_klass->get_property = gst_mixer_track_get_property;
g_object_class_install_property (object_klass, ARG_LABEL,
g_param_spec_string ("label", "Track label",
"The label assigned to the track", NULL, G_PARAM_READABLE));
g_object_class_install_property (object_klass, ARG_MIN_VOLUME,
g_param_spec_int ("min_volume", "Minimum volume level",
"The minimum possible volume level", G_MININT, G_MAXINT,
0, G_PARAM_READABLE));
g_object_class_install_property (object_klass, ARG_MAX_VOLUME,
g_param_spec_int ("max_volume", "Maximum volume level",
"The maximum possible volume level", G_MININT, G_MAXINT,
0, G_PARAM_READABLE));
g_object_class_install_property (object_klass, ARG_FLAGS,
g_param_spec_uint ("flags", "Flags",
"Flags indicating the type of mixer track",
0, G_MAXUINT, 0, G_PARAM_READABLE));
g_object_class_install_property (object_klass, ARG_NUM_CHANNELS,
g_param_spec_int ("num_channels", "Number of channels",
"The number of channels contained within the track",
0, G_MAXINT, 0, G_PARAM_READABLE));
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 * mixer_track)
{
mixer_track->label = NULL;
mixer_track->min_volume = mixer_track->max_volume = 0;
mixer_track->flags = 0;
mixer_track->num_channels = 0;
}
static void
gst_mixer_track_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstMixerTrack *mixer_track;
mixer_track = GST_MIXER_TRACK (object);
switch (prop_id) {
case ARG_LABEL:
g_value_set_string (value, mixer_track->label);
break;
case ARG_MIN_VOLUME:
g_value_set_int (value, mixer_track->min_volume);
break;
case ARG_MAX_VOLUME:
g_value_set_int (value, mixer_track->max_volume);
break;
case ARG_FLAGS:
g_value_set_uint (value, (guint32) mixer_track->flags);
break;
case ARG_NUM_CHANNELS:
g_value_set_int (value, mixer_track->num_channels);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_mixer_track_dispose (GObject * object)
{
GstMixerTrack *channel = GST_MIXER_TRACK (object);
if (channel->label) {
g_free (channel->label);
channel->label = NULL;
}
if (parent_class->dispose)
parent_class->dispose (object);
}