Improve help/man page of para_filter.

[paraslash.git] / filter.h

diff --git a/filter.h b/filter.h
index 2a75b1864dd49348a50087c5aa7e4aa1e6edb453..0c3ac70834b6c3909bd59bc87b9121811c6d3620 100644 (file)
--- a/filter.h
+++ b/filter.h
@@ -4,7 +4,7 @@
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
 
-/** \file filter.h Filter-related structures and exported symbols from filter_chain.c. */
+/** \file filter.h Filter-related structures and exported symbols from filter_common.c. */
 
 /** The list of supported filters. */
 enum filter_enum {FILTER_ENUM};
@@ -143,7 +143,7 @@ struct filter_callback {
  * Note: As several instances of the same filter may be running at the same
  * time, all these filter functions must be reentrant; no static non-constant
  * variables may be used.
- * \sa mp3dec.c, oggdec.c, wav.c, compress.c, filter_node
+ * \sa mp3dec_filter.c, oggdec_filter.c, wav_filter.c, compress_filter.c, filter_node
  */
 struct filter {
        /** The name of the filter. */
@@ -183,13 +183,6 @@ struct filter {
         * by the open() function.
         */
        void (*close)(struct filter_node *fn);
-       /**
-        * Print the help text for this filter and exit.
-        *
-        * This is optional and it is not necessary to initialize this pointer if
-        * the filter does not have a help text.
-        */
-       void (*print_help)(void);
        /**
         * A pointer to the filter's command line parser.
         *
@@ -203,6 +196,8 @@ struct filter {
         * argv. On failure, a negative paraslash error code must be returned.
         */
        int (*parse_config)(int argc, char **argv, void **config);
+
+       struct ggo_help help;
 };
 
 void close_filters(struct filter_chain *fc);