def post(self):
self.mvision_container = container.VideoContainerNxM(
    parent            = None,
    gpu_handler       = self.gpu_handler,
    filterchain_group = self.filterchain_group,
    title             = "MVision",
    n_dim             = 1,
    m_dim             = 1,
    child_class       = container.MVisionContainer,
    child_class_pars  = mvision
    )