mlt_filter filter = (mlt_filter) mlt_frame_pop_service( frame );
mlt_properties properties = MLT_FILTER_PROPERTIES( filter );
GlslManager::get_instance()->lock_service( frame );
mlt_filter filter = (mlt_filter) mlt_frame_pop_service( frame );
mlt_properties properties = MLT_FILTER_PROPERTIES( filter );
GlslManager::get_instance()->lock_service( frame );