int32_t CWelsLib::DestroyIface (void* pEncCtx) {
  if (pEncCtx) {
    pfnDestroyVpInterface pDestroyVpInterface = (pfnDestroyVpInterface) m_pInterface[1];
    if (pDestroyVpInterface) {
      pDestroyVpInterface (pEncCtx, WELSVP_INTERFACE_VERION);
    } else {
    }
  }

  return 0;
}
int32_t CWelsLib::DestroyIface (IWelsVP* pInterfaceVp) {
  if (pInterfaceVp) {
    pfnDestroyVpInterface pDestroyVpInterface = (pfnDestroyVpInterface) m_pInterface[1];
    if (pDestroyVpInterface) {
      pDestroyVpInterface (pInterfaceVp, WELSVP_INTERFACE_VERION);
    } else {
    }
  }

  return 0;
}