/* 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"

#if 0

enum

{

  /* FILL ME */

  SIGNAL_VOLUME_CHANGED,

  SIGNAL_RECORD_TOGGLED,

  SIGNAL_MUTE_TOGGLED,

  LAST_SIGNAL

};

static guint signals[LAST_SIGNAL] = { 0 };

#endif

enum

{

  ARG_0,

  ARG_LABEL,

  ARG_UNTRANSLATED_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 void gst_mixer_track_set_property (GObject * object, guint prop_id,

    const GValue * value, GParamSpec * pspec);

static GObjectClass *parent_class = NULL;

#ifdef __SYMBIAN32__

EXPORT_C

#endif

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;

  object_klass->set_property = gst_mixer_track_set_property;

  g_object_class_install_property (object_klass, ARG_LABEL,

      g_param_spec_string ("label", "Track label",

          "The label assigned to the track (may be translated)", NULL,

          G_PARAM_READABLE));

  /**

   * GstMixerTrack:untranslated-label

   *

   * The untranslated label of the mixer track, if available. Mixer track

   * implementations must set this at construct time. Applications may find

   * this useful to determine icons for various kind of tracks. However,

   * applications mustn't make any assumptions about the naming of tracks,

   * the untranslated labels are purely informational and may change.

   *

   * Since: 0.10.13

   **/

  g_object_class_install_property (object_klass, ARG_UNTRANSLATED_LABEL,

      g_param_spec_string ("untranslated-label", "Untranslated track label",

          "The untranslated label assigned to the track (since 0.10.13)",

          NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));

  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));

#if 0

  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);

#endif

  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;

}

/* FIXME 0.11: move this as a member into the mixer track structure */

#define MIXER_TRACK_OBJECT_DATA_KEY_UNTRANSLATED_LABEL "gst-mixer-track-ulabel"

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_UNTRANSLATED_LABEL:

      g_value_set_string (value,

          (const gchar *) g_object_get_data (G_OBJECT (mixer_track),

              MIXER_TRACK_OBJECT_DATA_KEY_UNTRANSLATED_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_set_property (GObject * object, guint prop_id,

    const GValue * value, GParamSpec * pspec)

{

  GstMixerTrack *mixer_track;

  mixer_track = GST_MIXER_TRACK (object);

  switch (prop_id) {

    case ARG_UNTRANSLATED_LABEL:

      g_object_set_data_full (G_OBJECT (mixer_track),

          MIXER_TRACK_OBJECT_DATA_KEY_UNTRANSLATED_LABEL,

          g_value_dup_string (value), (GDestroyNotify) g_free);

      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);

}