/* GStreamer Mixer * Copyright (C) 2003 Ronald Bultje * * 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_peek_parent (klass); 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); }