C++ (Cpp) ladspa_plugin_path_search Beispiele

Beispiel #1

Datei: gstladspa.c Projekt: collects/gst-plugins-bad

static gboolean
plugin_init (GstPlugin * plugin)
{
  GST_DEBUG_CATEGORY_INIT (ladspa_debug, "ladspa",
      GST_DEBUG_FG_GREEN | GST_DEBUG_BG_BLACK | GST_DEBUG_BOLD, "LADSPA");

  gst_plugin_add_dependency_simple (plugin,
      "LADSPA_PATH",
      GST_LADSPA_DEFAULT_PATH, NULL, GST_PLUGIN_DEPENDENCY_FLAG_NONE);

#ifdef HAVE_LRDF
  lrdf_init ();
#endif

  parent_class = g_type_class_ref (GST_TYPE_SIGNAL_PROCESSOR);

  ladspa_plugin = plugin;
  descriptor_quark = g_quark_from_static_string ("ladspa-descriptor");

  if (!ladspa_plugin_path_search ()) {
    GST_WARNING ("no ladspa plugins found, check LADSPA_PATH");
  }

  /* we don't want to fail, even if there are no elements registered */
  return TRUE;
}

Beispiel #2

Datei: gstladspa.c Projekt: CogentEmbedded/gst-plugins-bad

static gboolean
plugin_init (GstPlugin * plugin)
{
  gboolean res = FALSE;
  gint n = 0;

  GST_DEBUG_CATEGORY_INIT (ladspa_debug, "ladspa", 0, "LADSPA plugins");

#ifdef ENABLE_NLS
  GST_DEBUG_OBJECT (plugin, "binding text domain %s to locale dir %s",
      GETTEXT_PACKAGE, LOCALEDIR);
  bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
  bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
#endif

  gst_plugin_add_dependency_simple (plugin,
      "LADSPA_PATH",
      GST_LADSPA_DEFAULT_PATH, NULL, GST_PLUGIN_DEPENDENCY_FLAG_NONE);

#ifdef HAVE_LRDF
  lrdf_init ();
#endif

  ladspa_meta_all = (GstStructure *) gst_plugin_get_cache_data (plugin);
  if (ladspa_meta_all) {
    n = gst_structure_n_fields (ladspa_meta_all);
  }
  GST_INFO_OBJECT (plugin, "%d entries in cache", n);
  if (!n) {
    ladspa_meta_all = gst_structure_new_empty ("ladspa");
    if ((res = ladspa_plugin_path_search (plugin))) {
      n = gst_structure_n_fields (ladspa_meta_all);
      GST_INFO_OBJECT (plugin, "%d entries after scanning", n);
      gst_plugin_set_cache_data (plugin, ladspa_meta_all);
    }
  } else {
    res = TRUE;
  }

  if (n) {
    gint i;
    const gchar *name;
    const GValue *value;

    GST_INFO_OBJECT (plugin, "register types");

    for (i = 0; i < n; i++) {
      name = gst_structure_nth_field_name (ladspa_meta_all, i);
      value = gst_structure_get_value (ladspa_meta_all, name);
      if (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE) {
        GstStructure *ladspa_meta = g_value_get_boxed (value);

        ladspa_plugin_register_element (plugin, ladspa_meta);
      }
    }
  }

  if (!res) {
    GST_WARNING_OBJECT (plugin, "no LADSPA plugins found, check LADSPA_PATH");
  }

  /* we don't want to fail, even if there are no elements registered */
  return TRUE;
}