static GtkWidget *
create_enum_editor (RBObjectPropertyEditor *editor, const char *property, GParamSpec *pspec)
{
    GParamSpecEnum *penum;
    GtkListStore *model;
    GtkCellRenderer *renderer;
    GtkWidget *control;
    int p;

    control = gtk_combo_box_new ();
    penum = G_PARAM_SPEC_ENUM (pspec);
    renderer = gtk_cell_renderer_text_new ();

    model = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT);
    gtk_combo_box_set_model (GTK_COMBO_BOX (control), GTK_TREE_MODEL (model));
    for (p = 0; p < penum->enum_class->n_values; p++) {
        gtk_list_store_insert_with_values (model, NULL, p,
                                           0, penum->enum_class->values[p].value_name,
                                           1, p,
                                           -1);
    }
    gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (control), renderer, TRUE);
    gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (control), renderer, "text", 0, NULL);

    g_object_bind_property (editor->priv->object, property,
                            control, "active",
                            G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL);

    return control;
}
Ejemplo n.º 2
0
GType
gimp_gegl_get_op_enum_type (const gchar *operation,
                            const gchar *property)
{
  GeglNode   *node;
  GObject    *op;
  GParamSpec *pspec;

  g_return_val_if_fail (operation != NULL, G_TYPE_NONE);
  g_return_val_if_fail (property != NULL, G_TYPE_NONE);

  node = g_object_new (GEGL_TYPE_NODE,
                       "operation", operation,
                       NULL);
  g_object_get (node, "gegl-operation", &op, NULL);
  g_object_unref (node);

  g_return_val_if_fail (op != NULL, G_TYPE_NONE);

  pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (op), property);

  g_return_val_if_fail (G_IS_PARAM_SPEC_ENUM (pspec), G_TYPE_NONE);

  g_object_unref (op);

  return G_TYPE_FROM_CLASS (G_PARAM_SPEC_ENUM (pspec)->enum_class);
}
Ejemplo n.º 3
0
static void
gimp_pdb_context_constructed (GObject *object)
{
  GimpInterpolationType  interpolation;
  gint                   threshold;
  GParamSpec            *pspec;

  G_OBJECT_CLASS (parent_class)->constructed (object);

  /* get default interpolation from gimprc */

  interpolation = GIMP_CONTEXT (object)->gimp->config->interpolation_type;

  pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
                                        "interpolation");

  if (pspec)
    G_PARAM_SPEC_ENUM (pspec)->default_value = interpolation;

  g_object_set (object, "interpolation", interpolation, NULL);

  /* get default threshold from gimprc */

  threshold = GIMP_CONTEXT (object)->gimp->config->default_threshold;

  pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
                                        "sample-threshold");

  if (pspec)
    G_PARAM_SPEC_DOUBLE (pspec)->default_value = threshold / 255.0;

  g_object_set (object, "sample-threshold", threshold / 255.0, NULL);
}
Ejemplo n.º 4
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static void
param_enum_init (GParamSpec *pspec)
{
  GParamSpecEnum *espec = G_PARAM_SPEC_ENUM (pspec);
  
  espec->enum_class = NULL;
  espec->default_value = 0;
}
Ejemplo n.º 5
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static void
update_stream_info (GthMediaViewerPage *self)
{
	GList  *streaminfo;
	GstPad *videopad;

	streaminfo = NULL;
	videopad = NULL;

	g_object_get (self->priv->playbin, "stream-info", &streaminfo, NULL);
	streaminfo = g_list_copy (streaminfo);
	g_list_foreach (streaminfo, (GFunc) g_object_ref, NULL);

	for (/* void */ ; streaminfo; streaminfo = streaminfo->next) {
		GObject    *info;
		int         type;
		GParamSpec *pspec;
		GEnumValue *val;

		info = streaminfo->data;
		if (info == NULL)
			continue;

                type = -1;

		g_object_get (info, "type", &type, NULL);
		pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (info), "type");
		val = g_enum_get_value (G_PARAM_SPEC_ENUM (pspec)->enum_class, type);

		if (strcmp (val->value_nick, "audio") == 0) {
			self->priv->has_audio = TRUE;
		}
		else if (strcmp (val->value_nick, "video") == 0) {
			self->priv->has_video = TRUE;
			if (videopad == NULL)
				g_object_get (info, "object", &videopad, NULL);
		}
	}

	if (videopad != NULL) {
		GstCaps *caps;

		if ((caps = gst_pad_get_negotiated_caps (videopad)) != NULL) {
			GstStructure *structure;

			structure = gst_caps_get_structure (caps, 0);
			gst_structure_get_fraction (structure, "framerate", &self->priv->video_fps_n, &self->priv->video_fps_d);

			gst_caps_unref (caps);
		}
	}

	g_list_foreach (streaminfo, (GFunc) g_object_unref, NULL);
	g_list_free (streaminfo);
}
Ejemplo n.º 6
0
static void
convert_value_to_enum (GstDirectControlBinding * self, gdouble s, gpointer d_)
{
  GParamSpecEnum *pspec =
      G_PARAM_SPEC_ENUM (((GstControlBinding *) self)->pspec);
  GEnumClass *e = pspec->enum_class;
  gint *d = (gint *) d_;

  s = CLAMP (s, 0.0, 1.0);
  *d = e->values[(gint) (s * (e->n_values - 1))].value;
}
Ejemplo n.º 7
0
static void
convert_g_value_to_enum (GstDirectControlBinding * self, gdouble s, GValue * d)
{
  GParamSpecEnum *pspec =
      G_PARAM_SPEC_ENUM (((GstControlBinding *) self)->pspec);
  GEnumClass *e = pspec->enum_class;
  gint v;

  s = CLAMP (s, 0.0, 1.0);
  v = s * (e->n_values - 1);
  g_value_set_enum (d, e->values[v].value);
}
Ejemplo n.º 8
0
static gboolean
param_enum_validate (GParamSpec *pspec,
		     GValue     *value)
{
  GParamSpecEnum *espec = G_PARAM_SPEC_ENUM (pspec);
  glong oval = value->data[0].v_long;
  
  if (!espec->enum_class ||
      !g_enum_get_value (espec->enum_class, value->data[0].v_long))
    value->data[0].v_long = espec->default_value;
  
  return value->data[0].v_long != oval;
}
Ejemplo n.º 9
0
static void
param_enum_finalize (GParamSpec *pspec)
{
  GParamSpecEnum *espec = G_PARAM_SPEC_ENUM (pspec);
  GParamSpecClass *parent_class = g_type_class_peek (g_type_parent (G_TYPE_PARAM_ENUM));
  
  if (espec->enum_class)
    {
      g_type_class_unref (espec->enum_class);
      espec->enum_class = NULL;
    }
  
  parent_class->finalize (pspec);
}
Ejemplo n.º 10
0
static void
gimp_transform_options_reset (GimpToolOptions *tool_options)
{
  GParamSpec *pspec;

  pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (tool_options),
                                        "interpolation");

  if (pspec)
    G_PARAM_SPEC_ENUM (pspec)->default_value =
      tool_options->tool_info->gimp->config->interpolation_type;

  GIMP_TOOL_OPTIONS_CLASS (parent_class)->reset (tool_options);
}
void
apply_fx (GstElement * element, const gchar * fx)
{
  GEnumClass *p_class;

  /* from fxtest ;) */
  /* heeeellppppp!! */
  p_class =
      G_PARAM_SPEC_ENUM (g_object_class_find_property (G_OBJECT_GET_CLASS
          (G_OBJECT (data)), "effect")
      )->enum_class;

  g_print ("setting: %s - %s\n", fx, g_enum_get_value_by_nick (p_class,
          fx)->value_name);
  g_object_set (G_OBJECT (element), "effect", g_enum_get_value_by_nick (p_class,
          fx)->value, NULL);
}
Ejemplo n.º 12
0
static gboolean
apply_fx (GtkWidget * widget, gpointer data)
{
  gchar *fx;
  GEnumClass *p_class;

/* heeeellppppp!! */
  p_class =
      G_PARAM_SPEC_ENUM (g_object_class_find_property (G_OBJECT_GET_CLASS
          (G_OBJECT (data)), "effect")
      )->enum_class;

  fx = gtk_combo_box_text_get_active_text (GTK_COMBO_BOX_TEXT (widget));
  g_print ("setting: %s - %s\n", fx, g_enum_get_value_by_nick (p_class,
          fx)->value_name);
  g_object_set (G_OBJECT (data), "effect", g_enum_get_value_by_nick (p_class,
          fx)->value, NULL);
  return FALSE;
}
Ejemplo n.º 13
0
static GList *
get_stream_info_objects_for_type (GstElement *play, const gchar *typestr)
{
    GList *info_list = NULL, *link;
    GList *ret = NULL;

    if (play == NULL)
        return NULL;

    g_object_get(play, "stream-info", &info_list, NULL);
    if (info_list == NULL)
        return NULL;

    link = info_list;
    while (link)
    {
        GObject *info_obj = (GObject*)link->data;
        if (info_obj)
        {
            GParamSpec *pspec;
            GEnumValue *value;
            gint type = -1;

            g_object_get(info_obj, "type", &type, NULL);
            pspec = g_object_class_find_property(
                        G_OBJECT_GET_CLASS (info_obj), "type");
            value = g_enum_get_value(
                        G_PARAM_SPEC_ENUM (pspec)->enum_class, type);
            if (value)
            {
                if (g_ascii_strcasecmp (value->value_nick, typestr) == 0 ||
                    g_ascii_strcasecmp (value->value_name, typestr) == 0)
                {
                    ret = g_list_prepend (ret, g_object_ref (info_obj));
                }
            }
        }
        if (link) link = link->next;
    }
    return g_list_reverse (ret);
}
static gboolean
set_mview_mode (GtkWidget * combo, GObject * target, const gchar * prop_name)
{
  gchar *mview_mode = NULL;
  GEnumClass *p_class;
  GEnumValue *v;
  GParamSpec *p =
      g_object_class_find_property (G_OBJECT_GET_CLASS (target), prop_name);

  g_return_val_if_fail (p != NULL, FALSE);

  p_class = G_PARAM_SPEC_ENUM (p)->enum_class;
  g_return_val_if_fail (p_class != NULL, FALSE);

  g_object_get (G_OBJECT (combo), "active-id", &mview_mode, NULL);
  g_return_val_if_fail (mview_mode != NULL, FALSE);

  v = g_enum_get_value_by_nick (p_class, mview_mode);
  g_return_val_if_fail (v != NULL, FALSE);

  g_object_set (target, prop_name, v->value, NULL);

  return FALSE;
}
static void
egg_property_cell_renderer_set_renderer (EggPropertyCellRenderer    *renderer,
                                         const gchar                *prop_name)
{
    EggPropertyCellRendererPrivate *priv;
    GParamSpec *pspec;
    gchar *text = NULL;
    gdouble number;

    priv = EGG_PROPERTY_CELL_RENDERER_GET_PRIVATE (renderer);
    pspec = get_pspec_from_object (priv->object, prop_name);

    /*
     * Set this renderers mode, so that any actions can be forwarded to our
     * child renderers.
     */
    switch (pspec->value_type) {
        /* toggle renderers */
        case G_TYPE_BOOLEAN:
            priv->renderer = priv->toggle_renderer;
            g_object_set (renderer, "mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE, NULL);
            break;

        /* spin renderers */
        case G_TYPE_FLOAT:
        case G_TYPE_DOUBLE:
            priv->renderer = priv->spin_renderer;
            g_object_set (renderer, "mode", GTK_CELL_RENDERER_MODE_EDITABLE, NULL);
            g_object_set (priv->renderer, "digits", 5, NULL);
            break;

        case G_TYPE_INT:
        case G_TYPE_UINT:
        case G_TYPE_LONG:
        case G_TYPE_ULONG:
        case G_TYPE_INT64:
        case G_TYPE_UINT64:
            priv->renderer = priv->spin_renderer;
            g_object_set (renderer, "mode", GTK_CELL_RENDERER_MODE_EDITABLE, NULL);
            g_object_set (priv->renderer, "digits", 0, NULL);
            break;

        /* text renderers */
        case G_TYPE_POINTER:
        case G_TYPE_STRING:
            priv->renderer = priv->text_renderer;
            g_object_set (renderer, "mode", GTK_CELL_RENDERER_MODE_EDITABLE, NULL);
            break;

        /* combo renderers */
        default:
            if (G_TYPE_IS_ENUM (pspec->value_type)) {
                priv->renderer = priv->combo_renderer;
                g_object_set (renderer, "mode", GTK_CELL_RENDERER_MODE_EDITABLE, NULL);
            }
            break;
    }

    /*
     * Set the content from the objects property.
     */
    switch (pspec->value_type) {
        case G_TYPE_BOOLEAN:
            {
                gboolean val;

                g_object_get (priv->object, prop_name, &val, NULL);
                g_object_set (priv->renderer,
                        "active", val,
                        "activatable", pspec->flags & G_PARAM_WRITABLE ? TRUE : FALSE,
                        NULL);
                break;
            }

        case G_TYPE_INT:
        case G_TYPE_UINT:
        case G_TYPE_LONG:
        case G_TYPE_ULONG:
        case G_TYPE_INT64:
        case G_TYPE_UINT64:
        case G_TYPE_FLOAT:
        case G_TYPE_DOUBLE:
            get_string_double_repr (priv->object, prop_name, &text, &number);
            break;

        case G_TYPE_STRING:
            g_object_get (priv->object, prop_name, &text, NULL);
            break;

        case G_TYPE_POINTER:
            {
                gpointer val;

                g_object_get (priv->object, prop_name, &val, NULL);
                text = g_strdup_printf ("0x%x", GPOINTER_TO_INT (val));
            }
            break;

        default:
            if (G_TYPE_IS_ENUM (pspec->value_type)) {
                GParamSpecEnum *pspec_enum;
                GEnumClass *enum_class;
                GtkTreeModel *combo_model;
                GtkTreeIter iter;
                gint value;

                g_object_get (priv->object, prop_name, &value, NULL);

                pspec_enum = G_PARAM_SPEC_ENUM (pspec);
                enum_class = pspec_enum->enum_class;
                combo_model = g_hash_table_lookup (priv->combo_models, prop_name);

                if (combo_model == NULL) {
                    combo_model = GTK_TREE_MODEL (gtk_list_store_new (N_COMBO_COLUMNS, G_TYPE_STRING, G_TYPE_INT));
                    g_hash_table_insert (priv->combo_models, g_strdup (prop_name), combo_model);

                    for (guint i = 0; i < enum_class->n_values; i++) {
                        gtk_list_store_append (GTK_LIST_STORE (combo_model), &iter);
                        gtk_list_store_set (GTK_LIST_STORE (combo_model), &iter,
                                COMBO_COLUMN_VALUE_NAME, enum_class->values[i].value_name,
                                COMBO_COLUMN_VALUE, enum_class->values[i].value,
                                -1);
                    }
                }


                for (guint i = 0; i < enum_class->n_values; i++) {
                    if (enum_class->values[i].value == value)
                        text = g_strdup (enum_class->values[i].value_name);
                }

                g_object_set (priv->renderer,
                        "model", combo_model,
                        "text-column", 0,
                        NULL);
            }
            break;
    }

    if (pspec->flags & G_PARAM_WRITABLE) {
        if (GTK_IS_CELL_RENDERER_TOGGLE (priv->renderer))
            g_object_set (priv->renderer, "mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE, NULL);
        else
            g_object_set (priv->renderer, "foreground", "#000000", NULL);

        if (GTK_IS_CELL_RENDERER_TEXT (priv->renderer)) {
            g_object_set (priv->renderer,
                    "editable", TRUE,
                    "mode", GTK_CELL_RENDERER_MODE_EDITABLE,
                    NULL);
        }

        if (GTK_IS_CELL_RENDERER_SPIN (priv->renderer)) {
            GtkObject *adjustment = NULL;

#define gtk_typed_adjustment_new(type, pspec, val, step_inc, page_inc) \
    gtk_adjustment_new (val, ((type *) pspec)->minimum, ((type *) pspec)->maximum, step_inc, page_inc, 0)

            switch (pspec->value_type) {
                case G_TYPE_INT:
                    adjustment = gtk_typed_adjustment_new (GParamSpecInt, pspec, number, 1, 10);
                    break;
                case G_TYPE_UINT:
                    adjustment = gtk_typed_adjustment_new (GParamSpecUInt, pspec, number, 1, 10);
                    break;
                case G_TYPE_LONG:
                    adjustment = gtk_typed_adjustment_new (GParamSpecLong, pspec, number, 1, 10);
                    break;
                case G_TYPE_ULONG:
                    adjustment = gtk_typed_adjustment_new (GParamSpecULong, pspec, number, 1, 10);
                    break;
                case G_TYPE_INT64:
                    adjustment = gtk_typed_adjustment_new (GParamSpecInt64, pspec, number, 1, 10);
                    break;
                case G_TYPE_UINT64:
                    adjustment = gtk_typed_adjustment_new (GParamSpecUInt64, pspec, number, 1, 10);
                    break;
                case G_TYPE_FLOAT:
                    adjustment = gtk_typed_adjustment_new (GParamSpecFloat, pspec, number, 0.05, 10);
                    break;
                case G_TYPE_DOUBLE:
                    adjustment = gtk_typed_adjustment_new (GParamSpecDouble, pspec, number, 0.05, 10);
                    break;
            }

            clear_adjustment (G_OBJECT (priv->renderer));
            g_object_set (priv->renderer, "adjustment", adjustment, NULL);
        }
    }
    else {
        g_object_set (priv->renderer, "mode", GTK_CELL_RENDERER_MODE_INERT, NULL);

        if (!GTK_IS_CELL_RENDERER_TOGGLE (priv->renderer))
            g_object_set (priv->renderer, "foreground", "#aaaaaa", NULL);
    }

    if (text != NULL) {
        g_object_set (priv->renderer, "text", text, NULL);
        g_free (text);
    }
}
Ejemplo n.º 16
0
static void
dvb_base_bin_class_init (DvbBaseBinClass * klass)
{
  GObjectClass *gobject_class;
  GstElementClass *element_class;
  GstBinClass *bin_class;
  GstElementFactory *dvbsrc_factory;
  GObjectClass *dvbsrc_class;
  typedef struct
  {
    guint prop_id;
    const gchar *prop_name;
  } ProxyedProperty;
  ProxyedProperty *walk;
  ProxyedProperty proxyed_properties[] = {
    {PROP_ADAPTER, "adapter"},
    {PROP_FRONTEND, "frontend"},
    {PROP_DISEQC_SRC, "diseqc-source"},
    {PROP_FREQUENCY, "frequency"},
    {PROP_POLARITY, "polarity"},
    {PROP_SYMBOL_RATE, "symbol-rate"},
    {PROP_BANDWIDTH, "bandwidth"},
    {PROP_CODE_RATE_HP, "code-rate-hp"},
    {PROP_CODE_RATE_LP, "code-rate-lp"},
    {PROP_GUARD, "guard"},
    {PROP_MODULATION, "modulation"},
    {PROP_TRANS_MODE, "trans-mode"},
    {PROP_HIERARCHY, "hierarchy"},
    {PROP_INVERSION, "inversion"},
    {PROP_STATS_REPORTING_INTERVAL, "stats-reporting-interval"},
    {0, NULL}
  };

  bin_class = GST_BIN_CLASS (klass);
  bin_class->handle_message = dvb_base_bin_handle_message;

  element_class = GST_ELEMENT_CLASS (klass);
  element_class->change_state = dvb_base_bin_change_state;

  gobject_class = G_OBJECT_CLASS (klass);
  gobject_class->set_property = dvb_base_bin_set_property;
  gobject_class->get_property = dvb_base_bin_get_property;
  gobject_class->dispose = dvb_base_bin_dispose;
  gobject_class->finalize = dvb_base_bin_finalize;

  /* install dvbsrc properties */
  dvbsrc_factory = gst_element_factory_find ("dvbsrc");
  dvbsrc_class = g_type_class_ref (dvbsrc_factory->type);
  walk = proxyed_properties;
  while (walk->prop_name != NULL) {
    GParamSpec *pspec;
    GParamSpec *our_pspec;

    pspec = g_object_class_find_property (dvbsrc_class, walk->prop_name);
    if (pspec != NULL) {
      GType param_type = G_PARAM_SPEC_TYPE (pspec);

      if (param_type == G_TYPE_PARAM_INT) {
        GParamSpecInt *src_pspec = G_PARAM_SPEC_INT (pspec);

        our_pspec = g_param_spec_int (g_param_spec_get_name (pspec),
            g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
            src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
            pspec->flags);
      } else if (param_type == G_TYPE_PARAM_UINT) {
        GParamSpecUInt *src_pspec = G_PARAM_SPEC_UINT (pspec);

        our_pspec = g_param_spec_uint (g_param_spec_get_name (pspec),
            g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
            src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
            pspec->flags);
      } else if (param_type == G_TYPE_PARAM_STRING) {
        GParamSpecString *src_pspec = G_PARAM_SPEC_STRING (pspec);

        our_pspec = g_param_spec_string (g_param_spec_get_name (pspec),
            g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
            src_pspec->default_value, pspec->flags);
      } else if (param_type == G_TYPE_PARAM_ENUM) {
        GParamSpecEnum *src_pspec = G_PARAM_SPEC_ENUM (pspec);

        our_pspec = g_param_spec_enum (g_param_spec_get_name (pspec),
            g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
            pspec->value_type, src_pspec->default_value, pspec->flags);
      } else {
        GST_ERROR ("Unsupported property type %d for property %s",
            param_type, g_param_spec_get_name (pspec));
        ++walk;
        continue;
      }

      g_object_class_install_property (gobject_class, walk->prop_id, our_pspec);
    } else {
      g_warning ("dvbsrc has no property named %s", walk->prop_name);
    }
    ++walk;
  }
  g_type_class_unref (dvbsrc_class);

  g_object_class_install_property (gobject_class, PROP_PROGRAM_NUMBERS,
      g_param_spec_string ("program-numbers",
          "Program Numbers",
          "Colon separated list of programs", "", G_PARAM_READWRITE));
}
Ejemplo n.º 17
0
static void get_stream_information(TPMediaPlayer * mp)
{
    USERDATA(mp);
    CM(ud);

#if (CLUTTER_GST_MAJOR_VERSION < 1)
    GstElement * pipeline=clutter_gst_video_texture_get_playbin(CLUTTER_GST_VIDEO_TEXTURE(cm));
#else
    GstElement *pipeline=clutter_gst_video_texture_get_pipeline(CLUTTER_GST_VIDEO_TEXTURE(cm));
#endif

    if (!pipeline)
        return;

    //.........................................................................
    // Use stream info to get the type of each stream

#if (CLUTTER_GST_MAJOR_VERSION < 1)
    GValueArray * info_array=NULL;

    g_object_get(G_OBJECT(pipeline),"stream-info-value-array",&info_array,NULL);

    if (info_array)
    {
        // Each entry in the array is information for a single stream

        guint i;

        for (i=0;i<info_array->n_values;++i)
        {
            GValue * info_value=g_value_array_get_nth(info_array,i);

            if (G_VALUE_HOLDS(info_value,G_TYPE_OBJECT))
            {
                GObject * stream_info=g_value_get_object(info_value);

                if (stream_info)
                {
                    gint type = -1;

                    g_object_get(stream_info,"type",&type,NULL);

                    switch (type)
                    {
                        case 1:
                            ud->media_type|=TP_MEDIA_TYPE_AUDIO;
                            break;

                        case 2:
                            ud->media_type|=TP_MEDIA_TYPE_VIDEO;
                            break;
                    }
#if 0
                    // This lets you get the enum value associated with the stream type

                    GParamSpec *pspec;
                    GEnumValue *value;

                    pspec = g_object_class_find_property(G_OBJECT_GET_CLASS(stream_info),"type");

                    value = g_enum_get_value(G_PARAM_SPEC_ENUM(pspec)->enum_class,type);

                    g_debug("  STREAM TYPE IS %d %s",type,value->value_nick);
#endif
                }
            }
        }

        g_value_array_free(info_array);
    }
#else
    gint n_audio, n_video;
    g_object_get(G_OBJECT(pipeline), "n-video", &n_video, NULL);
    g_object_get(G_OBJECT(pipeline), "n-audio", &n_audio, NULL);

    if(n_video) ud->media_type|=TP_MEDIA_TYPE_VIDEO;
    if(n_audio) ud->media_type|=TP_MEDIA_TYPE_AUDIO;
#endif

    //.........................................................................
    // If there is a video stream, we get the video sink and try to find the
    // video size

    if (ud->media_type&TP_MEDIA_TYPE_VIDEO)
    {
        GstElement * video_sink=NULL;

        g_object_get(G_OBJECT(pipeline),"video-sink",&video_sink,NULL);

        if (video_sink)
        {
            GstPad * pad=gst_element_get_static_pad(video_sink,"sink");

            if (pad)
            {
                // Get its video width and height

                gint width;
                gint height;

                if (gst_video_get_size(pad,&width,&height))
                {
                    ud->video_width=width;
                    ud->video_height=height;
                }
                gst_object_unref(GST_OBJECT(pad));
            }
            gst_object_unref(GST_OBJECT(video_sink));
        }
    }

#if 1

    if ( ud->media_type & TP_MEDIA_TYPE_AUDIO )
    {
        GstElement * audio_sink= gst_element_factory_make( "autoaudiosink", "TPAudioSink" );

        if(!audio_sink)
        {
        	g_debug("Failed to create autoaudiosink");
        }
        else
        {
			g_object_set(G_OBJECT(pipeline),"audio-sink",audio_sink,NULL);
		}
    }

#endif
}
Ejemplo n.º 18
0
static void
dvb_base_bin_class_init (DvbBaseBinClass * klass)
{
  GObjectClass *gobject_class;
  GstElementClass *element_class;
  GstBinClass *bin_class;
  DvbBaseBinClass *dvbbasebin_class;
  GstElementFactory *dvbsrc_factory;
  GObjectClass *dvbsrc_class;
  typedef struct
  {
    guint prop_id;
    const gchar *prop_name;
  } ProxyedProperty;
  ProxyedProperty *walk;
  ProxyedProperty proxyed_properties[] = {
    {PROP_ADAPTER, "adapter"},
    {PROP_FRONTEND, "frontend"},
    {PROP_DISEQC_SRC, "diseqc-source"},
    {PROP_FREQUENCY, "frequency"},
    {PROP_POLARITY, "polarity"},
    {PROP_SYMBOL_RATE, "symbol-rate"},
#ifndef GST_REMOVE_DEPRECATED
    {PROP_BANDWIDTH, "bandwidth"},
#endif
    {PROP_CODE_RATE_HP, "code-rate-hp"},
    {PROP_CODE_RATE_LP, "code-rate-lp"},
    {PROP_GUARD, "guard"},
    {PROP_MODULATION, "modulation"},
    {PROP_TRANS_MODE, "trans-mode"},
    {PROP_HIERARCHY, "hierarchy"},
    {PROP_INVERSION, "inversion"},
    {PROP_STATS_REPORTING_INTERVAL, "stats-reporting-interval"},
    {PROP_TUNING_TIMEOUT, "tuning-timeout"},
    {PROP_DELSYS, "delsys"},
    {PROP_PILOT, "pilot"},
    {PROP_ROLLOFF, "rolloff"},
    {PROP_STREAM_ID, "stream-id"},
    {PROP_BANDWIDTH_HZ, "bandwidth-hz"},
    {PROP_ISDBT_LAYER_ENABLED, "isdbt-layer-enabled"},
    {PROP_ISDBT_PARTIAL_RECEPTION, "isdbt-partial-reception"},
    {PROP_ISDBT_SOUND_BROADCASTING, "isdbt-sound-broadcasting"},
    {PROP_ISDBT_SB_SUBCHANNEL_ID, "isdbt-sb-subchannel-id"},
    {PROP_ISDBT_SB_SEGMENT_IDX, "isdbt-sb-segment-idx"},
    {PROP_ISDBT_SB_SEGMENT_COUNT, "isdbt-sb-segment-count"},
    {PROP_ISDBT_LAYERA_FEC, "isdbt-layera-fec"},
    {PROP_ISDBT_LAYERA_MODULATION, "isdbt-layera-modulation"},
    {PROP_ISDBT_LAYERA_SEGMENT_COUNT, "isdbt-layera-segment-count"},
    {PROP_ISDBT_LAYERA_TIME_INTERLEAVING, "isdbt-layera-time-interleaving"},
    {PROP_ISDBT_LAYERB_FEC, "isdbt-layerb-fec"},
    {PROP_ISDBT_LAYERB_MODULATION, "isdbt-layerb-modulation"},
    {PROP_ISDBT_LAYERB_SEGMENT_COUNT, "isdbt-layerb-segment-count"},
    {PROP_ISDBT_LAYERB_TIME_INTERLEAVING, "isdbt-layerb-time-interleaving"},
    {PROP_ISDBT_LAYERC_FEC, "isdbt-layerc-fec"},
    {PROP_ISDBT_LAYERC_MODULATION, "isdbt-layerc-modulation"},
    {PROP_ISDBT_LAYERC_SEGMENT_COUNT, "isdbt-layerc-segment-count"},
    {PROP_ISDBT_LAYERC_TIME_INTERLEAVING, "isdbt-layerc-time-interleaving"},
    {PROP_LNB_SLOF, "lnb-slof"},
    {PROP_LNB_LOF1, "lnb-lof1"},
    {PROP_LNB_LOF2, "lnb-lof2"},
    {PROP_INTERLEAVING, "interleaving"},
    {0, NULL}
  };

  bin_class = GST_BIN_CLASS (klass);
  bin_class->handle_message = dvb_base_bin_handle_message;

  element_class = GST_ELEMENT_CLASS (klass);

  element_class->change_state = dvb_base_bin_change_state;
  element_class->request_new_pad = dvb_base_bin_request_new_pad;
  element_class->release_pad = dvb_base_bin_release_pad;

  gst_element_class_add_pad_template (element_class,
      gst_static_pad_template_get (&program_template));
  gst_element_class_add_pad_template (element_class,
      gst_static_pad_template_get (&src_template));

  gst_element_class_set_static_metadata (element_class, "DVB bin",
      "Source/Bin/Video",
      "Access descramble and split DVB streams",
      "Alessandro Decina <*****@*****.**>\n"
      "Reynaldo H. Verdejo Pinochet <*****@*****.**>");

  gobject_class = G_OBJECT_CLASS (klass);
  gobject_class->set_property = dvb_base_bin_set_property;
  gobject_class->get_property = dvb_base_bin_get_property;
  gobject_class->dispose = dvb_base_bin_dispose;
  gobject_class->finalize = dvb_base_bin_finalize;

  dvbbasebin_class = (DvbBaseBinClass *) klass;
  dvbbasebin_class->do_tune = dvb_base_bin_do_tune;

  /* install dvbsrc properties */
  dvbsrc_factory = gst_element_factory_find ("dvbsrc");
  dvbsrc_class =
      g_type_class_ref (gst_element_factory_get_element_type (dvbsrc_factory));
  walk = proxyed_properties;
  while (walk->prop_name != NULL) {
    GParamSpec *pspec;
    GParamSpec *our_pspec;

    pspec = g_object_class_find_property (dvbsrc_class, walk->prop_name);
    if (pspec != NULL) {
      GType param_type = G_PARAM_SPEC_TYPE (pspec);

      if (param_type == G_TYPE_PARAM_INT) {
        GParamSpecInt *src_pspec = G_PARAM_SPEC_INT (pspec);

        our_pspec = g_param_spec_int (g_param_spec_get_name (pspec),
            g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
            src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
            pspec->flags);
      } else if (param_type == G_TYPE_PARAM_UINT) {
        GParamSpecUInt *src_pspec = G_PARAM_SPEC_UINT (pspec);

        our_pspec = g_param_spec_uint (g_param_spec_get_name (pspec),
            g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
            src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
            pspec->flags);
      } else if (param_type == G_TYPE_PARAM_UINT64) {
        GParamSpecUInt64 *src_pspec = G_PARAM_SPEC_UINT64 (pspec);

        our_pspec = g_param_spec_uint64 (g_param_spec_get_name (pspec),
            g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
            src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
            pspec->flags);
      } else if (param_type == G_TYPE_PARAM_STRING) {
        GParamSpecString *src_pspec = G_PARAM_SPEC_STRING (pspec);

        our_pspec = g_param_spec_string (g_param_spec_get_name (pspec),
            g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
            src_pspec->default_value, pspec->flags);
      } else if (param_type == G_TYPE_PARAM_ENUM) {
        GParamSpecEnum *src_pspec = G_PARAM_SPEC_ENUM (pspec);

        our_pspec = g_param_spec_enum (g_param_spec_get_name (pspec),
            g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
            pspec->value_type, src_pspec->default_value, pspec->flags);
      } else {
        GST_ERROR ("Unsupported property type %s for property %s",
            g_type_name (param_type), g_param_spec_get_name (pspec));
        ++walk;
        continue;
      }

      g_object_class_install_property (gobject_class, walk->prop_id, our_pspec);
    } else {
      g_warning ("dvbsrc has no property named %s", walk->prop_name);
    }
    ++walk;
  }
  g_type_class_unref (dvbsrc_class);

  g_object_class_install_property (gobject_class, PROP_PROGRAM_NUMBERS,
      g_param_spec_string ("program-numbers",
          "Program Numbers",
          "Colon separated list of programs", "", G_PARAM_READWRITE));
  /**
   * DvbBaseBin::tuning-start:
   * @dvbbasebin: the element on which the signal is emitted
   *
   * Signal emited when the element first attempts to tune the
   * frontend tunner to a given frequency.
   */
  dvb_base_bin_signals[SIGNAL_TUNING_START] =
      g_signal_new ("tuning-start", G_TYPE_FROM_CLASS (klass),
      G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
  /**
   * DvbBaseBin::tuning-done:
   * @dvbbasebin: the element on which the signal is emitted
   *
   * Signal emited when the tunner has successfully got a lock on a signal.
   */
  dvb_base_bin_signals[SIGNAL_TUNING_DONE] =
      g_signal_new ("tuning-done", G_TYPE_FROM_CLASS (klass),
      G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
  /**
   * DvbBaseBin::tuning-fail:
   * @dvbbasebin: the element on which the signal is emitted
   *
   * Signal emited when the tunner failed to get a lock on the
   * signal.
   */
  dvb_base_bin_signals[SIGNAL_TUNING_FAIL] =
      g_signal_new ("tuning-fail", G_TYPE_FROM_CLASS (klass),
      G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);

  /**
   * DvbBaseBin::tune:
   * @dvbbasesink: the element on which the signal is emitted
   *
   * Signal emited from the application to the element, instructing it
   * to tune.
   */
  dvb_base_bin_signals[SIGNAL_TUNE] =
      g_signal_new ("tune", G_TYPE_FROM_CLASS (klass),
      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
      G_STRUCT_OFFSET (DvbBaseBinClass, do_tune),
      NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
}
/* XXX Historical note, originally I tried (ab)using override properties
 *     in ESourceCamel, which redirected to the equivalent CamelSettings
 *     property.  Seemed to work at first, and I was proud of my clever
 *     hack, but it turns out g_object_class_list_properties() excludes
 *     override properties.  So the ESourceCamel properties were being
 *     skipped in source_load_from_key_file() (e-source.c). */
static GParamSpec *
param_spec_clone (GParamSpec *pspec)
{
	GParamSpec *clone;
	GParamFlags flags;
	const gchar *name, *nick, *blurb;

	name = g_param_spec_get_name (pspec);
	nick = g_param_spec_get_nick (pspec);
	blurb = g_param_spec_get_blurb (pspec);
	flags = (pspec->flags & ~(G_PARAM_STATIC_STRINGS));

	if (G_IS_PARAM_SPEC_BOOLEAN (pspec)) {
		GParamSpecBoolean *pspec_boolean = G_PARAM_SPEC_BOOLEAN (pspec);

		clone = g_param_spec_boolean (name, nick, blurb,
			pspec_boolean->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_CHAR (pspec)) {
		GParamSpecChar *pspec_char = G_PARAM_SPEC_CHAR (pspec);

		clone = g_param_spec_char (name, nick, blurb,
			pspec_char->minimum,
			pspec_char->maximum,
			pspec_char->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_UCHAR (pspec)) {
		GParamSpecUChar *pspec_uchar = G_PARAM_SPEC_UCHAR (pspec);

		clone = g_param_spec_uchar (name, nick, blurb,
			pspec_uchar->minimum,
			pspec_uchar->maximum,
			pspec_uchar->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_INT (pspec)) {
		GParamSpecInt *pspec_int = G_PARAM_SPEC_INT (pspec);

		clone = g_param_spec_int (name, nick, blurb,
			pspec_int->minimum,
			pspec_int->maximum,
			pspec_int->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_UINT (pspec)) {
		GParamSpecUInt *pspec_uint = G_PARAM_SPEC_UINT (pspec);

		clone = g_param_spec_uint (name, nick, blurb,
			pspec_uint->minimum,
			pspec_uint->maximum,
			pspec_uint->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_LONG (pspec)) {
		GParamSpecLong *pspec_long = G_PARAM_SPEC_LONG (pspec);

		clone = g_param_spec_long (name, nick, blurb,
			pspec_long->minimum,
			pspec_long->maximum,
			pspec_long->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_ULONG (pspec)) {
		GParamSpecULong *pspec_ulong = G_PARAM_SPEC_ULONG (pspec);

		clone = g_param_spec_ulong (name, nick, blurb,
			pspec_ulong->minimum,
			pspec_ulong->maximum,
			pspec_ulong->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_INT64 (pspec)) {
		GParamSpecInt64 *pspec_int64 = G_PARAM_SPEC_INT64 (pspec);

		clone = g_param_spec_int64 (name, nick, blurb,
			pspec_int64->minimum,
			pspec_int64->maximum,
			pspec_int64->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_UINT64 (pspec)) {
		GParamSpecUInt64 *pspec_uint64 = G_PARAM_SPEC_UINT64 (pspec);

		clone = g_param_spec_uint64 (name, nick, blurb,
			pspec_uint64->minimum,
			pspec_uint64->maximum,
			pspec_uint64->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_FLOAT (pspec)) {
		GParamSpecFloat *pspec_float = G_PARAM_SPEC_FLOAT (pspec);

		clone = g_param_spec_float (name, nick, blurb,
			pspec_float->minimum,
			pspec_float->maximum,
			pspec_float->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_DOUBLE (pspec)) {
		GParamSpecDouble *pspec_double = G_PARAM_SPEC_DOUBLE (pspec);

		clone = g_param_spec_double (name, nick, blurb,
			pspec_double->minimum,
			pspec_double->maximum,
			pspec_double->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_ENUM (pspec)) {
		GParamSpecEnum *pspec_enum = G_PARAM_SPEC_ENUM (pspec);

		clone = g_param_spec_enum (name, nick, blurb,
			pspec->value_type,
			pspec_enum->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_FLAGS (pspec)) {
		GParamSpecFlags *pspec_flags = G_PARAM_SPEC_FLAGS (pspec);

		clone = g_param_spec_flags (name, nick, blurb,
			pspec->value_type,
			pspec_flags->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_STRING (pspec)) {
		GParamSpecString *pspec_string = G_PARAM_SPEC_STRING (pspec);

		clone = g_param_spec_string (name, nick, blurb,
			pspec_string->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_PARAM (pspec)) {
		clone = g_param_spec_param (name, nick, blurb,
			pspec->value_type,
			flags);
	} else if (G_IS_PARAM_SPEC_BOXED (pspec)) {
		clone = g_param_spec_boxed (name, nick, blurb,
			pspec->value_type,
			flags);
	} else if (G_IS_PARAM_SPEC_POINTER (pspec)) {
		clone = g_param_spec_pointer (name, nick, blurb, flags);
	} else if (G_IS_PARAM_SPEC_OBJECT (pspec)) {
		clone = g_param_spec_object (name, nick, blurb,
			pspec->value_type,
			flags);
	} else if (G_IS_PARAM_SPEC_UNICHAR (pspec)) {
		GParamSpecUnichar *pspec_unichar = G_PARAM_SPEC_UNICHAR (pspec);

		clone = g_param_spec_unichar (name, nick, blurb,
			pspec_unichar->default_value,
			flags);
	} else if (G_IS_PARAM_SPEC_GTYPE (pspec)) {
		GParamSpecGType *pspec_gtype = G_PARAM_SPEC_GTYPE (pspec);

		clone = g_param_spec_gtype (name, nick, blurb,
			pspec_gtype->is_a_type,
			flags);
	} else if (G_IS_PARAM_SPEC_VARIANT (pspec)) {
		GParamSpecVariant *pspec_variant = G_PARAM_SPEC_VARIANT (pspec);

		clone = g_param_spec_variant (name, nick, blurb,
			pspec_variant->type,
			pspec_variant->default_value,
			flags);
	} else {
		g_warn_if_reached ();
	}

	return clone;
}
Ejemplo n.º 20
0
static void
param_enum_set_default (GParamSpec *pspec,
			GValue     *value)
{
  value->data[0].v_long = G_PARAM_SPEC_ENUM (pspec)->default_value;
}
Ejemplo n.º 21
0
GParamSpec *
gimp_param_spec_duplicate (GParamSpec *pspec)
{
  GParamSpec  *copy = NULL;
  GParamFlags  flags;

  g_return_val_if_fail (pspec != NULL, NULL);

  flags = pspec->flags | GIMP_CONFIG_PARAM_SERIALIZE;

  if (G_IS_PARAM_SPEC_STRING (pspec))
    {
      GParamSpecString *spec = G_PARAM_SPEC_STRING (pspec);

      if (GEGL_IS_PARAM_SPEC_FILE_PATH (pspec))
        {
          copy = gimp_param_spec_config_path (pspec->name,
                                              g_param_spec_get_nick (pspec),
                                              g_param_spec_get_blurb (pspec),
                                              GIMP_CONFIG_PATH_FILE,
                                              spec->default_value,
                                              flags);
        }
      else
        {
          static GQuark multiline_quark = 0;

          if (! multiline_quark)
            multiline_quark = g_quark_from_static_string ("multiline");

          copy = g_param_spec_string (pspec->name,
                                      g_param_spec_get_nick (pspec),
                                      g_param_spec_get_blurb (pspec),
                                      spec->default_value,
                                      flags);

          if (GEGL_IS_PARAM_SPEC_MULTILINE (pspec))
            {
              g_param_spec_set_qdata (copy, multiline_quark,
                                      GINT_TO_POINTER (TRUE));
            }
        }
    }
  else if (G_IS_PARAM_SPEC_BOOLEAN (pspec))
    {
      GParamSpecBoolean *spec = G_PARAM_SPEC_BOOLEAN (pspec);

      copy = g_param_spec_boolean (pspec->name,
                                   g_param_spec_get_nick (pspec),
                                   g_param_spec_get_blurb (pspec),
                                   spec->default_value,
                                   flags);
    }
  else if (G_IS_PARAM_SPEC_ENUM (pspec))
    {
      GParamSpecEnum *spec = G_PARAM_SPEC_ENUM (pspec);

      copy = g_param_spec_enum (pspec->name,
                                g_param_spec_get_nick (pspec),
                                g_param_spec_get_blurb (pspec),
                                G_TYPE_FROM_CLASS (spec->enum_class),
                                spec->default_value,
                                flags);
    }
  else if (GEGL_IS_PARAM_SPEC_DOUBLE (pspec))
    {
      GeglParamSpecDouble *gspec = GEGL_PARAM_SPEC_DOUBLE (pspec);
      GParamSpecDouble    *spec = G_PARAM_SPEC_DOUBLE (pspec);

      copy = gegl_param_spec_double (pspec->name,
                                     g_param_spec_get_nick (pspec),
                                     g_param_spec_get_blurb (pspec),
                                     spec->minimum,
                                     spec->maximum,
                                     spec->default_value,
                                     gspec->ui_minimum,
                                     gspec->ui_maximum,
                                     gspec->ui_gamma,
                                     flags);
    }
  else if (G_IS_PARAM_SPEC_DOUBLE (pspec))
    {
      GParamSpecDouble *spec = G_PARAM_SPEC_DOUBLE (pspec);

      copy = g_param_spec_double (pspec->name,
                                  g_param_spec_get_nick (pspec),
                                  g_param_spec_get_blurb (pspec),
                                  spec->minimum,
                                  spec->maximum,
                                  spec->default_value,
                                  flags);
    }
  else if (G_IS_PARAM_SPEC_FLOAT (pspec))
    {
      GParamSpecFloat *spec = G_PARAM_SPEC_FLOAT (pspec);

      copy = g_param_spec_float (pspec->name,
                                 g_param_spec_get_nick (pspec),
                                 g_param_spec_get_blurb (pspec),
                                 spec->minimum,
                                 spec->maximum,
                                 spec->default_value,
                                 flags);
    }
  else if (GEGL_IS_PARAM_SPEC_INT (pspec))
    {
      GeglParamSpecInt *gspec = GEGL_PARAM_SPEC_INT (pspec);
      GParamSpecInt    *spec  = G_PARAM_SPEC_INT (pspec);

      copy = gegl_param_spec_int (pspec->name,
                                  g_param_spec_get_nick (pspec),
                                  g_param_spec_get_blurb (pspec),
                                  spec->minimum,
                                  spec->maximum,
                                  spec->default_value,
                                  gspec->ui_minimum,
                                  gspec->ui_maximum,
                                  gspec->ui_gamma,
                                  flags);
    }
  else if (GEGL_IS_PARAM_SPEC_SEED (pspec))
    {
      copy = gegl_param_spec_seed (pspec->name,
                                   g_param_spec_get_nick (pspec),
                                   g_param_spec_get_blurb (pspec),
                                   pspec->flags |
                                   GIMP_CONFIG_PARAM_SERIALIZE);
    }
  else if (G_IS_PARAM_SPEC_INT (pspec))
    {
      GParamSpecInt *spec = G_PARAM_SPEC_INT (pspec);

      copy = g_param_spec_int (pspec->name,
                               g_param_spec_get_nick (pspec),
                               g_param_spec_get_blurb (pspec),
                               spec->minimum,
                               spec->maximum,
                               spec->default_value,
                               flags);
    }
  else if (G_IS_PARAM_SPEC_UINT (pspec))
    {
      GParamSpecUInt *spec = G_PARAM_SPEC_UINT (pspec);

      copy = g_param_spec_uint (pspec->name,
                                g_param_spec_get_nick (pspec),
                                g_param_spec_get_blurb (pspec),
                                spec->minimum,
                                spec->maximum,
                                spec->default_value,
                                flags);
    }
  else if (GIMP_IS_PARAM_SPEC_RGB (pspec))
    {
      GValue  value = G_VALUE_INIT;
      GimpRGB color;

      g_value_init (&value, GIMP_TYPE_RGB);
      g_param_value_set_default (pspec, &value);
      gimp_value_get_rgb (&value, &color);
      g_value_unset (&value);

      copy = gimp_param_spec_rgb (pspec->name,
                                  g_param_spec_get_nick (pspec),
                                  g_param_spec_get_blurb (pspec),
                                  gimp_param_spec_rgb_has_alpha (pspec),
                                  &color,
                                  flags);
    }
  else if (GEGL_IS_PARAM_SPEC_COLOR (pspec))
    {
      GeglColor *gegl_color;
      GimpRGB    gimp_color;
      gdouble    r = 0.0;
      gdouble    g = 0.0;
      gdouble    b = 0.0;
      gdouble    a = 1.0;
      GValue     value = { 0, };

      g_value_init (&value, GEGL_TYPE_COLOR);
      g_param_value_set_default (pspec, &value);

      gegl_color = g_value_get_object (&value);
      if (gegl_color)
        gegl_color_get_rgba (gegl_color, &r, &g, &b, &a);

      gimp_rgba_set (&gimp_color, r, g, b, a);

      g_value_unset (&value);

      copy = gimp_param_spec_rgb (pspec->name,
                                  g_param_spec_get_nick (pspec),
                                  g_param_spec_get_blurb (pspec),
                                  TRUE,
                                  &gimp_color,
                                  flags);
    }
  else if (G_IS_PARAM_SPEC_OBJECT (pspec) ||
           G_IS_PARAM_SPEC_POINTER (pspec))
    {
      /*  silently ignore object properties  */
    }
  else
    {
      g_warning ("%s: not supported: %s (%s)\n", G_STRFUNC,
                 g_type_name (G_TYPE_FROM_INSTANCE (pspec)), pspec->name);
    }

  if (copy)
    {
      GQuark      quark = g_quark_from_static_string ("gegl-property-keys");
      GHashTable *keys  = g_param_spec_get_qdata (pspec, quark);

      if (keys)
        g_param_spec_set_qdata (copy, quark, g_hash_table_ref (keys));
    }

  return copy;
}
Ejemplo n.º 22
0
static void
terminal_profile_gsettings_changeset_add (TerminalProfile *profile,
        GSettings *changeset,
        GParamSpec *pspec)
{
	TerminalProfilePrivate *priv = profile->priv;
	char *key;
	const GValue *value;

	/* FIXME: do this? */
#if 0
	if (priv->locked[pspec->param_id])
		return;

	if (!g_settings_is_writable (priv->settings, gsettings_key, NULL))
		return;
#endif

	key = g_param_spec_get_qdata (pspec, gsettings_key_quark);
	if (!key)
		return;

	value = g_value_array_get_nth (priv->properties, pspec->param_id);

	_terminal_debug_print (TERMINAL_DEBUG_PROFILE,
	                       "Adding pspec %s with value %s to the GSettings changeset\n",
	                       pspec->name, g_strdup_value_contents (value));

	if (G_IS_PARAM_SPEC_BOOLEAN (pspec))
		g_settings_set_boolean (changeset, key, g_value_get_boolean (value));
	else if (G_IS_PARAM_SPEC_STRING (pspec))
	{
		const char *str;

		str = g_value_get_string (value);
		g_settings_set_string (changeset, key, str ? str : "");
	}
	else if (G_IS_PARAM_SPEC_ENUM (pspec))
	{
		const GEnumValue *eval;

		eval = g_enum_get_value (G_PARAM_SPEC_ENUM (pspec)->enum_class, g_value_get_enum (value));

		g_settings_set_enum (changeset, key, eval->value);
	}
	else if (G_PARAM_SPEC_VALUE_TYPE (pspec) == GDK_TYPE_COLOR)
	{
		GdkColor *color;
		char str[16];

		color = g_value_get_boxed (value);
		if (!color)
			goto cleanup;

		g_snprintf (str, sizeof (str),
		            "#%04X%04X%04X",
		            color->red,
		            color->green,
		            color->blue);

		g_settings_set_string (changeset, key, str);
	}
	else if (G_PARAM_SPEC_VALUE_TYPE (pspec) == PANGO_TYPE_FONT_DESCRIPTION)
	{
		PangoFontDescription *font_desc;
		char *font;

		font_desc = g_value_get_boxed (value);
		if (!font_desc)
			goto cleanup;

		font = pango_font_description_to_string (font_desc);
		g_settings_set_string (changeset, key, font);
		g_free (font);
	}
	else if (G_IS_PARAM_SPEC_DOUBLE (pspec))
		g_settings_set_double (changeset, key, g_value_get_double (value));
	else if (G_IS_PARAM_SPEC_INT (pspec))
		g_settings_set_int (changeset, key, g_value_get_int (value));
	else if (G_IS_PARAM_SPEC_VALUE_ARRAY (pspec) &&
	         G_PARAM_SPEC_VALUE_TYPE (G_PARAM_SPEC_VALUE_ARRAY (pspec)->element_spec) == GDK_TYPE_COLOR)
	{
		GValueArray *array;
		GString *string;
		guint n_colors, i;

		/* We need to do this ourselves, because the gtk_color_selection_palette_to_string
		 * does not carry all the bytes, and xterm's palette is messed up...
		 */

		array = g_value_get_boxed (value);
		if (!array)
			goto cleanup;

		n_colors = array->n_values;
		string = g_string_sized_new (n_colors * (1 /* # */ + 3 * 4) + n_colors /* : separators and terminating \0 */);
		for (i = 0; i < n_colors; ++i)
		{
			GdkColor *color;

			if (i > 0)
				g_string_append_c (string, ':');

			color = g_value_get_boxed (g_value_array_get_nth (array, i));
			if (!color)
				continue;

			g_string_append_printf (string,
			                        "#%04X%04X%04X",
			                        color->red,
			                        color->green,
			                        color->blue);
		}

		g_settings_set_string (changeset, key, string->str);
		g_string_free (string, TRUE);
	}
	else
		g_printerr ("Unhandled value type %s of pspec %s\n", g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec)), pspec->name);

cleanup:
	return;
}
Ejemplo n.º 23
0
static void
print_element_properties_info (GstElement * element)
{
  GParamSpec **property_specs;
  guint num_properties, i;
  gboolean readable;
  gboolean first_flag;

  property_specs = g_object_class_list_properties
      (G_OBJECT_GET_CLASS (element), &num_properties);
  n_print ("\n");
  n_print ("Element Properties:\n");

  for (i = 0; i < num_properties; i++) {
    GValue value = { 0, };
    GParamSpec *param = property_specs[i];

    readable = FALSE;

    g_value_init (&value, param->value_type);

    n_print ("  %-20s: %s\n", g_param_spec_get_name (param),
        g_param_spec_get_blurb (param));

    first_flag = TRUE;
    n_print ("%-23.23s flags: ", "");
    if (param->flags & G_PARAM_READABLE) {
      g_object_get_property (G_OBJECT (element), param->name, &value);
      readable = TRUE;
      if (!first_flag)
        g_print (", ");
      else
        first_flag = FALSE;
      g_print (_("readable"));
    }
    if (param->flags & G_PARAM_WRITABLE) {
      if (!first_flag)
        g_print (", ");
      else
        first_flag = FALSE;
      g_print (_("writable"));
    }
    if (param->flags & GST_PARAM_CONTROLLABLE) {
      if (!first_flag)
        g_print (", ");
      else
        first_flag = FALSE;
      g_print (_("controllable"));
    }
    n_print ("\n");

    switch (G_VALUE_TYPE (&value)) {
      case G_TYPE_STRING:
      {
        GParamSpecString *pstring = G_PARAM_SPEC_STRING (param);

        n_print ("%-23.23s String. ", "");

        if (pstring->default_value == NULL)
          g_print ("Default: null ");
        else
          g_print ("Default: \"%s\" ", pstring->default_value);

        if (readable) {
          const char *string_val = g_value_get_string (&value);

          if (string_val == NULL)
            g_print ("Current: null");
          else
            g_print ("Current: \"%s\"", string_val);
        }
        break;
      }
      case G_TYPE_BOOLEAN:
      {
        GParamSpecBoolean *pboolean = G_PARAM_SPEC_BOOLEAN (param);

        n_print ("%-23.23s Boolean. ", "");
        g_print ("Default: %s ", (pboolean->default_value ? "true" : "false"));
        if (readable)
          g_print ("Current: %s",
              (g_value_get_boolean (&value) ? "true" : "false"));
        break;
      }
      case G_TYPE_ULONG:
      {
        GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param);

        n_print ("%-23.23s Unsigned Long. ", "");
        g_print ("Range: %lu - %lu Default: %lu ",
            pulong->minimum, pulong->maximum, pulong->default_value);
        if (readable)
          g_print ("Current: %lu", g_value_get_ulong (&value));
        break;
      }
      case G_TYPE_LONG:
      {
        GParamSpecLong *plong = G_PARAM_SPEC_LONG (param);

        n_print ("%-23.23s Long. ", "");
        g_print ("Range: %ld - %ld Default: %ld ",
            plong->minimum, plong->maximum, plong->default_value);
        if (readable)
          g_print ("Current: %ld", g_value_get_long (&value));
        break;
      }
      case G_TYPE_UINT:
      {
        GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param);

        n_print ("%-23.23s Unsigned Integer. ", "");
        g_print ("Range: %u - %u Default: %u ",
            puint->minimum, puint->maximum, puint->default_value);
        if (readable)
          g_print ("Current: %u", g_value_get_uint (&value));
        break;
      }
      case G_TYPE_INT:
      {
        GParamSpecInt *pint = G_PARAM_SPEC_INT (param);

        n_print ("%-23.23s Integer. ", "");
        g_print ("Range: %d - %d Default: %d ",
            pint->minimum, pint->maximum, pint->default_value);
        if (readable)
          g_print ("Current: %d", g_value_get_int (&value));
        break;
      }
      case G_TYPE_UINT64:
      {
        GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param);

        n_print ("%-23.23s Unsigned Integer64. ", "");
        g_print ("Range: %" G_GUINT64_FORMAT " - %" G_GUINT64_FORMAT
            " Default: %" G_GUINT64_FORMAT " ",
            puint64->minimum, puint64->maximum, puint64->default_value);
        if (readable)
          g_print ("Current: %" G_GUINT64_FORMAT, g_value_get_uint64 (&value));
        break;
      }
      case G_TYPE_INT64:
      {
        GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param);

        n_print ("%-23.23s Integer64. ", "");
        g_print ("Range: %" G_GINT64_FORMAT " - %" G_GINT64_FORMAT
            " Default: %" G_GINT64_FORMAT " ",
            pint64->minimum, pint64->maximum, pint64->default_value);
        if (readable)
          g_print ("Current: %" G_GINT64_FORMAT, g_value_get_int64 (&value));
        break;
      }
      case G_TYPE_FLOAT:
      {
        GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param);

        n_print ("%-23.23s Float. ", "");
        g_print ("Range: %15.7g - %15.7g Default: %15.7g ",
            pfloat->minimum, pfloat->maximum, pfloat->default_value);
        if (readable)
          g_print ("Current: %15.7g", g_value_get_float (&value));
        break;
      }
      case G_TYPE_DOUBLE:
      {
        GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param);

        n_print ("%-23.23s Double. ", "");
        g_print ("Range: %15.7g - %15.7g Default: %15.7g ",
            pdouble->minimum, pdouble->maximum, pdouble->default_value);
        if (readable)
          g_print ("Current: %15.7g", g_value_get_double (&value));
        break;
      }
      default:
        if (param->value_type == GST_TYPE_CAPS) {
          const GstCaps *caps = gst_value_get_caps (&value);

          if (!caps)
            n_print ("%-23.23s Caps (NULL)", "");
          else {
            print_caps (caps, "                           ");
          }
        } else if (G_IS_PARAM_SPEC_ENUM (param)) {
          GParamSpecEnum *penum = G_PARAM_SPEC_ENUM (param);
          GEnumValue *values;
          guint j = 0;
          gint enum_value;
          const gchar *def_val_nick = "", *cur_val_nick = "";

          values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
          enum_value = g_value_get_enum (&value);

          while (values[j].value_name) {
            if (values[j].value == enum_value)
              cur_val_nick = values[j].value_nick;
            if (values[j].value == penum->default_value)
              def_val_nick = values[j].value_nick;
            j++;
          }

          n_print
              ("%-23.23s Enum \"%s\" Default: %d, \"%s\" Current: %d, \"%s\"",
              "", g_type_name (G_VALUE_TYPE (&value)), penum->default_value,
              def_val_nick, enum_value, cur_val_nick);

          j = 0;
          while (values[j].value_name) {
            g_print ("\n");
            if (_name)
              g_print ("%s", _name);
            g_print ("%-23.23s    (%d): %-16s - %s", "",
                values[j].value, values[j].value_nick, values[j].value_name);
            j++;
          }
          /* g_type_class_unref (ec); */
        } else if (G_IS_PARAM_SPEC_FLAGS (param)) {
          GParamSpecFlags *pflags = G_PARAM_SPEC_FLAGS (param);
          GFlagsValue *values;
          guint j = 0;
          gint flags_value;
          GString *cur_flags = NULL, *def_flags = NULL;

          values = G_FLAGS_CLASS (g_type_class_ref (param->value_type))->values;
          flags_value = g_value_get_flags (&value);

          while (values[j].value_name) {
            if (values[j].value & flags_value) {
              if (cur_flags) {
                g_string_append_printf (cur_flags, " | %s",
                    values[j].value_nick);
              } else {
                cur_flags = g_string_new (values[j].value_nick);
              }
            }
            if (values[j].value & pflags->default_value) {
              if (def_flags) {
                g_string_append_printf (def_flags, " | %s",
                    values[j].value_nick);
              } else {
                def_flags = g_string_new (values[j].value_nick);
              }
            }
            j++;
          }

          n_print
              ("%-23.23s Flags \"%s\" Default: 0x%08x, \"%s\" Current: 0x%08x, \"%s\"",
              "", g_type_name (G_VALUE_TYPE (&value)), pflags->default_value,
              (def_flags ? def_flags->str : "(none)"), flags_value,
              (cur_flags ? cur_flags->str : "(none)"));

          j = 0;
          while (values[j].value_name) {
            g_print ("\n");
            if (_name)
              g_print ("%s", _name);
            g_print ("%-23.23s    (0x%08x): %-16s - %s", "",
                values[j].value, values[j].value_nick, values[j].value_name);
            j++;
          }

          if (cur_flags)
            g_string_free (cur_flags, TRUE);
          if (def_flags)
            g_string_free (def_flags, TRUE);
        } else if (G_IS_PARAM_SPEC_OBJECT (param)) {
          n_print ("%-23.23s Object of type \"%s\"", "",
              g_type_name (param->value_type));
        } else if (G_IS_PARAM_SPEC_BOXED (param)) {
          n_print ("%-23.23s Boxed pointer of type \"%s\"", "",
              g_type_name (param->value_type));
        } else if (G_IS_PARAM_SPEC_POINTER (param)) {
          if (param->value_type != G_TYPE_POINTER) {
            n_print ("%-23.23s Pointer of type \"%s\".", "",
                g_type_name (param->value_type));
          } else {
            n_print ("%-23.23s Pointer.", "");
          }
        } else if (param->value_type == G_TYPE_VALUE_ARRAY) {
          GParamSpecValueArray *pvarray = G_PARAM_SPEC_VALUE_ARRAY (param);

          if (pvarray->element_spec) {
            n_print ("%-23.23s Array of GValues of type \"%s\"", "",
                g_type_name (pvarray->element_spec->value_type));
          } else {
            n_print ("%-23.23s Array of GValues", "");
          }
        } else if (GST_IS_PARAM_SPEC_FRACTION (param)) {
          GstParamSpecFraction *pfraction = GST_PARAM_SPEC_FRACTION (param);

          n_print ("%-23.23s Fraction. ", "");

          g_print ("Range: %d/%d - %d/%d Default: %d/%d ",
              pfraction->min_num, pfraction->min_den,
              pfraction->max_num, pfraction->max_den,
              pfraction->def_num, pfraction->def_den);
          if (readable)
            g_print ("Current: %d/%d",
                gst_value_get_fraction_numerator (&value),
                gst_value_get_fraction_denominator (&value));

        } else if (GST_IS_PARAM_SPEC_MINI_OBJECT (param)) {
          n_print ("%-23.23s MiniObject of type \"%s\"", "",
              g_type_name (param->value_type));
        } else {
          n_print ("%-23.23s Unknown type %ld \"%s\"", "", param->value_type,
              g_type_name (param->value_type));
        }
        break;
    }
    if (!readable)
      g_print (" Write only\n");
    else
      g_print ("\n");

    g_value_reset (&value);
  }
  if (num_properties == 0)
    n_print ("  none\n");

  g_free (property_specs);
}
Ejemplo n.º 24
0
static GtkCellEditable *
parasite_property_cell_renderer_start_editing(GtkCellRenderer *renderer,
        GdkEvent *event,
        GtkWidget *widget,
        const gchar *path,
        GdkRectangle *background_area,
        GdkRectangle *cell_area,
        GtkCellRendererState flags)
{
    PangoFontDescription *font_desc;
    GtkCellEditable *editable = NULL;
    GObject *object;
    const char *name;
    GValue gvalue = {0};
    GParamSpec *prop;

    g_object_get(renderer,
                 "object", &object,
                 "name", &name,
                 NULL);

    prop = g_object_class_find_property(G_OBJECT_GET_CLASS(object), name);

    if (!(prop->flags & G_PARAM_WRITABLE))
        return NULL;

    g_value_init(&gvalue, prop->value_type);
    g_object_get_property(object, name, &gvalue);

    if (G_VALUE_HOLDS_ENUM(&gvalue) || G_VALUE_HOLDS_BOOLEAN(&gvalue))
    {
        GtkWidget *combobox = gtk_combo_box_new_text();
        gtk_widget_show(combobox);
        g_object_set(G_OBJECT(combobox), "has-frame", FALSE, NULL);
        GList *renderers;

        if (G_VALUE_HOLDS_BOOLEAN(&gvalue))
        {
            gtk_combo_box_append_text(GTK_COMBO_BOX(combobox), "FALSE");
            gtk_combo_box_append_text(GTK_COMBO_BOX(combobox), "TRUE");

            gtk_combo_box_set_active(GTK_COMBO_BOX(combobox),
                                     g_value_get_boolean(&gvalue) ? 1 : 0);
        }
        else if (G_VALUE_HOLDS_ENUM(&gvalue))
        {
            gint value = g_value_get_enum(&gvalue);
            GEnumClass *enum_class = G_PARAM_SPEC_ENUM(prop)->enum_class;
            guint i;

            for (i = 0; i < enum_class->n_values; i++)
            {
                GEnumValue *enum_value = &enum_class->values[i];

                gtk_combo_box_append_text(GTK_COMBO_BOX(combobox),
                                          enum_value->value_name);

                if (enum_value->value == value)
                    gtk_combo_box_set_active(GTK_COMBO_BOX(combobox), i);
            }

        }

        renderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(combobox));
        g_object_set(G_OBJECT(renderers->data), "scale", TREE_TEXT_SCALE, NULL);
        g_list_free(renderers);

        editable = GTK_CELL_EDITABLE(combobox);
    }
    else if (G_VALUE_HOLDS_STRING(&gvalue))
    {
        GtkWidget *entry = gtk_entry_new();
        gtk_widget_show(entry);
        gtk_entry_set_text(GTK_ENTRY(entry), g_value_get_string(&gvalue));

        editable = GTK_CELL_EDITABLE(entry);
    }
    else if (G_VALUE_HOLDS_INT(&gvalue)    ||
             G_VALUE_HOLDS_UINT(&gvalue)   ||
             G_VALUE_HOLDS_INT64(&gvalue)  ||
             G_VALUE_HOLDS_UINT64(&gvalue) ||
             G_VALUE_HOLDS_LONG(&gvalue)   ||
             G_VALUE_HOLDS_ULONG(&gvalue)  ||
             G_VALUE_HOLDS_DOUBLE(&gvalue))
    {
        double min, max, value;
        GtkWidget *spinbutton;
        guint digits = 0;

        if (G_VALUE_HOLDS_INT(&gvalue))
        {
            GParamSpecInt *paramspec = G_PARAM_SPEC_INT(prop);
            min = paramspec->minimum;
            max = paramspec->maximum;
            value = g_value_get_int(&gvalue);
        }
        else if (G_VALUE_HOLDS_UINT(&gvalue))
        {
            GParamSpecUInt *paramspec = G_PARAM_SPEC_UINT(prop);
            min = paramspec->minimum;
            max = paramspec->maximum;
            value = g_value_get_uint(&gvalue);
        }
        else if (G_VALUE_HOLDS_INT64(&gvalue))
        {
            GParamSpecInt64 *paramspec = G_PARAM_SPEC_INT64(prop);
            min = paramspec->minimum;
            max = paramspec->maximum;
            value = g_value_get_int64(&gvalue);
        }
        else if (G_VALUE_HOLDS_UINT64(&gvalue))
        {
            GParamSpecUInt64 *paramspec = G_PARAM_SPEC_UINT64(prop);
            min = paramspec->minimum;
            max = paramspec->maximum;
            value = g_value_get_uint64(&gvalue);
        }
        else if (G_VALUE_HOLDS_LONG(&gvalue))
        {
            GParamSpecLong *paramspec = G_PARAM_SPEC_LONG(prop);
            min = paramspec->minimum;
            max = paramspec->maximum;
            value = g_value_get_long(&gvalue);
        }
        else if (G_VALUE_HOLDS_ULONG(&gvalue))
        {
            GParamSpecULong *paramspec = G_PARAM_SPEC_ULONG(prop);
            min = paramspec->minimum;
            max = paramspec->maximum;
            value = g_value_get_ulong(&gvalue);
        }
        else if (G_VALUE_HOLDS_DOUBLE(&gvalue))
        {
            GParamSpecDouble *paramspec = G_PARAM_SPEC_DOUBLE(prop);
            min = paramspec->minimum;
            max = paramspec->maximum;
            value = g_value_get_double(&gvalue);
            digits = 2;
        }
        else
        {
            // Shouldn't really be able to happen.
            return NULL;
        }

        spinbutton = gtk_spin_button_new_with_range(min, max, 1);
        gtk_widget_show(spinbutton);
        gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinbutton), value);
        gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spinbutton), digits);

        editable = GTK_CELL_EDITABLE(spinbutton);
    }

    font_desc = pango_font_description_new();
    pango_font_description_set_size(font_desc, 8 * PANGO_SCALE);
    gtk_widget_modify_font(GTK_WIDGET(editable), font_desc);
    pango_font_description_free(font_desc);

    g_value_unset(&gvalue);

    g_signal_connect(G_OBJECT(editable), "editing_done",
                     G_CALLBACK(parasite_property_cell_renderer_stop_editing),
                     renderer);

    g_object_set_data_full(G_OBJECT(editable), "_prop_name", g_strdup(name),
                           g_free);
    g_object_set_data(G_OBJECT(editable), "_prop_object", object);

    return editable;
}
Ejemplo n.º 25
0
static gboolean
gst_interpolation_control_source_bind (GstControlSource * source,
    GParamSpec * pspec)
{
  GType type, base;
  GstInterpolationControlSource *self =
      GST_INTERPOLATION_CONTROL_SOURCE (source);
  gboolean ret = TRUE;

  /* get the fundamental base type */
  self->priv->type = base = type = G_PARAM_SPEC_VALUE_TYPE (pspec);
  while ((type = g_type_parent (type)))
    base = type;

  self->priv->base = base;
  /* restore type */
  type = self->priv->type;

  if (!gst_interpolation_control_source_set_interpolation_mode (self,
          self->priv->interpolation_mode))
    return FALSE;

  switch (base) {
    case G_TYPE_INT:{
      GParamSpecInt *tpspec = G_PARAM_SPEC_INT (pspec);

      g_value_init (&self->priv->default_value, type);
      g_value_set_int (&self->priv->default_value, tpspec->default_value);
      g_value_init (&self->priv->minimum_value, type);
      g_value_set_int (&self->priv->minimum_value, tpspec->minimum);
      g_value_init (&self->priv->maximum_value, type);
      g_value_set_int (&self->priv->maximum_value, tpspec->maximum);
      break;
    }
    case G_TYPE_UINT:{
      GParamSpecUInt *tpspec = G_PARAM_SPEC_UINT (pspec);

      g_value_init (&self->priv->default_value, type);
      g_value_set_uint (&self->priv->default_value, tpspec->default_value);
      g_value_init (&self->priv->minimum_value, type);
      g_value_set_uint (&self->priv->minimum_value, tpspec->minimum);
      g_value_init (&self->priv->maximum_value, type);
      g_value_set_uint (&self->priv->maximum_value, tpspec->maximum);
      break;
    }
    case G_TYPE_LONG:{
      GParamSpecLong *tpspec = G_PARAM_SPEC_LONG (pspec);

      g_value_init (&self->priv->default_value, type);
      g_value_set_long (&self->priv->default_value, tpspec->default_value);
      g_value_init (&self->priv->minimum_value, type);
      g_value_set_long (&self->priv->minimum_value, tpspec->minimum);
      g_value_init (&self->priv->maximum_value, type);
      g_value_set_long (&self->priv->maximum_value, tpspec->maximum);
      break;
    }
    case G_TYPE_ULONG:{
      GParamSpecULong *tpspec = G_PARAM_SPEC_ULONG (pspec);

      g_value_init (&self->priv->default_value, type);
      g_value_set_ulong (&self->priv->default_value, tpspec->default_value);
      g_value_init (&self->priv->minimum_value, type);
      g_value_set_ulong (&self->priv->minimum_value, tpspec->minimum);
      g_value_init (&self->priv->maximum_value, type);
      g_value_set_ulong (&self->priv->maximum_value, tpspec->maximum);
      break;
    }
    case G_TYPE_INT64:{
      GParamSpecInt64 *tpspec = G_PARAM_SPEC_INT64 (pspec);

      g_value_init (&self->priv->default_value, type);
      g_value_set_int64 (&self->priv->default_value, tpspec->default_value);
      g_value_init (&self->priv->minimum_value, type);
      g_value_set_int64 (&self->priv->minimum_value, tpspec->minimum);
      g_value_init (&self->priv->maximum_value, type);
      g_value_set_int64 (&self->priv->maximum_value, tpspec->maximum);
      break;
    }
    case G_TYPE_UINT64:{
      GParamSpecUInt64 *tpspec = G_PARAM_SPEC_UINT64 (pspec);

      g_value_init (&self->priv->default_value, type);
      g_value_set_uint64 (&self->priv->default_value, tpspec->default_value);
      g_value_init (&self->priv->minimum_value, type);
      g_value_set_uint64 (&self->priv->minimum_value, tpspec->minimum);
      g_value_init (&self->priv->maximum_value, type);
      g_value_set_uint64 (&self->priv->maximum_value, tpspec->maximum);
      break;
    }
    case G_TYPE_FLOAT:{
      GParamSpecFloat *tpspec = G_PARAM_SPEC_FLOAT (pspec);

      g_value_init (&self->priv->default_value, type);
      g_value_set_float (&self->priv->default_value, tpspec->default_value);
      g_value_init (&self->priv->minimum_value, type);
      g_value_set_float (&self->priv->minimum_value, tpspec->minimum);
      g_value_init (&self->priv->maximum_value, type);
      g_value_set_float (&self->priv->maximum_value, tpspec->maximum);
      break;
    }
    case G_TYPE_DOUBLE:{
      GParamSpecDouble *tpspec = G_PARAM_SPEC_DOUBLE (pspec);

      g_value_init (&self->priv->default_value, type);
      g_value_set_double (&self->priv->default_value, tpspec->default_value);
      g_value_init (&self->priv->minimum_value, type);
      g_value_set_double (&self->priv->minimum_value, tpspec->minimum);
      g_value_init (&self->priv->maximum_value, type);
      g_value_set_double (&self->priv->maximum_value, tpspec->maximum);
      break;
    }
    case G_TYPE_BOOLEAN:{
      GParamSpecBoolean *tpspec = G_PARAM_SPEC_BOOLEAN (pspec);

      g_value_init (&self->priv->default_value, type);
      g_value_set_boolean (&self->priv->default_value, tpspec->default_value);
      break;
    }
    case G_TYPE_ENUM:{
      GParamSpecEnum *tpspec = G_PARAM_SPEC_ENUM (pspec);

      g_value_init (&self->priv->default_value, type);
      g_value_set_enum (&self->priv->default_value, tpspec->default_value);
      break;
    }
    case G_TYPE_STRING:{
      GParamSpecString *tpspec = G_PARAM_SPEC_STRING (pspec);

      g_value_init (&self->priv->default_value, type);
      g_value_set_string (&self->priv->default_value, tpspec->default_value);
      break;
    }
    default:
      GST_WARNING ("incomplete implementation for paramspec type '%s'",
          G_PARAM_SPEC_TYPE_NAME (pspec));
      ret = FALSE;
      break;
  }

  if (ret) {
    self->priv->valid_cache = FALSE;
    self->priv->nvalues = 0;
  } else {
    gst_interpolation_control_source_reset (self);
  }

  return ret;
}