extern AVInputFormat ff_mpsub_demuxer;
extern AVInputFormat ff_msf_demuxer;
extern AVInputFormat ff_msnwc_tcp_demuxer;
+extern AVInputFormat ff_msp_demuxer;
extern AVInputFormat ff_mtaf_demuxer;
extern AVInputFormat ff_mtv_demuxer;
extern AVInputFormat ff_musx_demuxer;