Lv2PluginProvider::Lv2PluginProvider() :
m_lv2World(),
m_lv2InfoMap()
{
qDebug( "Initializing Lv2 Plugin Provider" );
if (m_lv2World.world == NULL) {
qWarning( "Failed to Initialize slv2_world" );
return;
}
// Do Lv2-Plugin discovery
// slv2_world_load_all( m_world ); // No special path apart from LV2_PATH
SLV2Plugins lv2PluginList = slv2_world_get_all_plugins( m_lv2World.world );
size_t lv2PluginListSize = slv2_plugins_size( lv2PluginList );
// TODO-NOW: Allow user to choose multiple paths
for (unsigned i=0; i < lv2PluginListSize; ++i) {
SLV2Plugin p = slv2_plugins_get_at( lv2PluginList, i );
addLv2Plugin( p );
}
qDebug() << "Found" << lv2PluginListSize << "Lv2 plugins.";
slv2_plugins_free( m_lv2World.world, lv2PluginList );
qDebug( "Done initializing Lv2 Plugin Provider" );
}
/* search the plugin path
*/
static gboolean
lv2_plugin_discover (void)
{
unsigned i;
SLV2Plugins plugins = slv2_world_get_all_plugins (world);
for (i = 0; i < slv2_plugins_size (plugins); ++i) {
SLV2Plugin lv2plugin = slv2_plugins_get_at (plugins, i);
GTypeInfo typeinfo = {
sizeof (GstLV2Class),
(GBaseInitFunc) gst_lv2_base_init,
NULL,
(GClassInitFunc) gst_lv2_class_init,
NULL,
lv2plugin,
sizeof (GstLV2),
0,
(GInstanceInitFunc) gst_lv2_init,
};
GType type;
/* construct the type name from plugin URI */
gchar *type_name = g_strdup_printf ("%s",
slv2_value_as_uri (slv2_plugin_get_uri (lv2plugin)));
g_strcanon (type_name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-+", '-');
/* if it's already registered, drop it */
if (g_type_from_name (type_name))
goto next;
/* create the type */
type =
g_type_register_static (GST_TYPE_SIGNAL_PROCESSOR, type_name, &typeinfo,
0);
/* FIXME: not needed anymore when we can add pad templates, etc in class_init
* as class_data contains the LADSPA_Descriptor too */
g_type_set_qdata (type, GST_SLV2_PLUGIN_QDATA, (gpointer) lv2plugin);
if (!gst_element_register (gst_lv2_plugin, type_name, GST_RANK_NONE, type))
goto next;
next:
g_free (type_name);
}
return TRUE;
}