static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
static int Del ( sout_stream_t *, sout_stream_id_t * );
static int Send ( sout_stream_t *, sout_stream_id_t *, block_t * );
static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
static int Del ( sout_stream_t *, sout_stream_id_t * );
static int Send ( sout_stream_t *, sout_stream_id_t *, block_t * );