C++ (Cpp) gst_frei0r_klass_install_properties示例

示例#1

static void
gst_frei0r_mixer_class_init (GstFrei0rMixerClass * klass,
    GstFrei0rMixerClassData * class_data)
{
  GObjectClass *gobject_class = (GObjectClass *) klass;
  GstElementClass *gstelement_class = (GstElementClass *) klass;
  GstPadTemplate *templ;
  GstCaps *caps;
  gchar *author;

  klass->ftable = &class_data->ftable;
  klass->info = &class_data->info;

  gobject_class->finalize = gst_frei0r_mixer_finalize;
  gobject_class->set_property = gst_frei0r_mixer_set_property;
  gobject_class->get_property = gst_frei0r_mixer_get_property;

  klass->n_properties = klass->info->num_params;
  klass->properties = g_new0 (GstFrei0rProperty, klass->n_properties);

  gst_frei0r_klass_install_properties (gobject_class, klass->ftable,
      klass->properties, klass->n_properties);

  author =
      g_strdup_printf
      ("Sebastian Dröge <*****@*****.**>, %s",
      class_data->info.author);
  gst_element_class_set_details_simple (gstelement_class, class_data->info.name,
      "Filter/Editor/Video", class_data->info.explanation, author);
  g_free (author);

  caps = gst_frei0r_caps_from_color_model (class_data->info.color_model);

  templ =
      gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
      gst_caps_ref (caps));
  gst_element_class_add_pad_template (gstelement_class, templ);

  templ =
      gst_pad_template_new ("sink_0", GST_PAD_SINK, GST_PAD_ALWAYS,
      gst_caps_ref (caps));
  gst_element_class_add_pad_template (gstelement_class, templ);

  templ =
      gst_pad_template_new ("sink_1", GST_PAD_SINK, GST_PAD_ALWAYS,
      gst_caps_ref (caps));
  gst_element_class_add_pad_template (gstelement_class, templ);

  if (klass->info->plugin_type == F0R_PLUGIN_TYPE_MIXER3) {
    templ =
        gst_pad_template_new ("sink_2", GST_PAD_SINK, GST_PAD_ALWAYS,
        gst_caps_ref (caps));
    gst_element_class_add_pad_template (gstelement_class, templ);
  }
  gst_caps_unref (caps);

  gstelement_class->change_state =
      GST_DEBUG_FUNCPTR (gst_frei0r_mixer_change_state);
}

示例#2

文件： gstfrei0rfilter.c 项目： bilboed/gst-plugins-bad

static void
gst_frei0r_filter_class_init (GstFrei0rFilterClass * klass,
    GstFrei0rFilterClassData * class_data)
{
  GObjectClass *gobject_class = (GObjectClass *) klass;
  GstElementClass *gstelement_class = (GstElementClass *) klass;
  GstBaseTransformClass *gsttrans_class = (GstBaseTransformClass *) klass;
  GstPadTemplate *templ;
  GstCaps *caps;
  gchar *author;

  klass->ftable = &class_data->ftable;
  klass->info = &class_data->info;

  gobject_class->finalize = gst_frei0r_filter_finalize;
  gobject_class->set_property = gst_frei0r_filter_set_property;
  gobject_class->get_property = gst_frei0r_filter_get_property;

  klass->n_properties = klass->info->num_params;
  klass->properties = g_new0 (GstFrei0rProperty, klass->n_properties);

  gst_frei0r_klass_install_properties (gobject_class, klass->ftable,
      klass->properties, klass->n_properties);

  author =
      g_strdup_printf
      ("Sebastian Dröge <*****@*****.**>, %s",
      class_data->info.author);
  gst_element_class_set_details_simple (gstelement_class, class_data->info.name,
      "Filter/Effect/Video", class_data->info.explanation, author);
  g_free (author);

  caps = gst_frei0r_caps_from_color_model (class_data->info.color_model);

  templ =
      gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
      gst_caps_ref (caps));
  gst_element_class_add_pad_template (gstelement_class, templ);

  templ = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps);
  gst_element_class_add_pad_template (gstelement_class, templ);

  gsttrans_class->set_caps = GST_DEBUG_FUNCPTR (gst_frei0r_filter_set_caps);
  gsttrans_class->stop = GST_DEBUG_FUNCPTR (gst_frei0r_filter_stop);
  gsttrans_class->transform = GST_DEBUG_FUNCPTR (gst_frei0r_filter_transform);
}