+/**
+ * This function creates a new stream_t filter.
+ *
+ * You must release it using stream_Delete unless it is used as a
+ * source to another filter.
+ */
+stream_t *stream_FilterNew( stream_t *p_source,
+ const char *psz_stream_filter );
+
+/**
+ * This function creates a chain of filters:
+ * - first, automatic probed stream filters are inserted.
+ * - then, optional user filters (configured by psz_chain) are inserted.
+ * - finaly, an optional record filter is inserted if b_record is true.
+ *
+ * You must release the returned value using stream_Delete unless it is used as a
+ * source to another filter.
+ */
+stream_t *stream_FilterChainNew( stream_t *p_source,
+ const char *psz_chain,
+ bool b_record );