D_SDP_MODE
if (D_SDP_MODE(dbri->pipes[pipe].sdp) == 0) {
if (D_SDP_MODE(dbri->pipes[pipe].sdp) != D_SDP_FIXED) {
if (D_SDP_MODE(dbri->pipes[pipe].sdp) != D_SDP_FIXED) {
if (D_SDP_MODE(sdp) == D_SDP_FIXED && !(sdp & D_SDP_TO_SER))