VLC_API sout_input_t * sout_MuxAddStream( sout_mux_t *, es_format_t * ) VLC_USED;
VLC_API void sout_MuxDeleteStream( sout_mux_t *, sout_input_t * );
VLC_API void sout_MuxDelete( sout_mux_t * );
-VLC_API void sout_MuxSendBuffer( sout_mux_t *, sout_input_t *, block_t * );
+VLC_API int sout_MuxSendBuffer( sout_mux_t *, sout_input_t *, block_t * );
VLC_API int sout_MuxGetStream(sout_mux_t *, int , mtime_t *);
static inline int sout_MuxControl( sout_mux_t *p_mux, int i_query, ... )