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[paraslash.git] / amp_filter.c

diff --git a/amp_filter.c b/amp_filter.c
index 392fff6547c12cb7aa6c1abd62260526171be23b..a011c411ef376c61f89fa6cc6baf574f04caeb0f 100644 (file)
--- a/amp_filter.c
+++ b/amp_filter.c
@@ -1,15 +1,16 @@
 /*
- * Copyright (C) 2008 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2009 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
 
-/** \file amp.c Paraslash's amplify filter. */
+/** \file amp_filter.c Paraslash's amplify filter. */
 
 #include "para.h"
 #include "amp_filter.cmdline.h"
 #include "list.h"
 #include "sched.h"
+#include "ggo.h"
 #include "filter.h"
 #include "string.h"
 #include "error.h"
@@ -50,20 +51,23 @@ static void amp_close(struct filter_node *fn)
        free(fn->buf);
 }
 
-static void *amp_parse_config(int argc, char **argv)
+static int amp_parse_config(int argc, char **argv, void **config)
 {
-       struct amp_filter_args_info *conf = para_calloc(sizeof(*conf));
+       struct amp_filter_args_info *amp_conf = para_calloc(sizeof(*amp_conf));
+       int ret = -E_AMP_SYNTAX;
 
-       if (amp_cmdline_parser(argc, argv, conf))
+       if (amp_cmdline_parser(argc, argv, amp_conf))
                goto err;
-       if (conf->amp_arg < 0)
+       ret = -ERRNO_TO_PARA_ERROR(EINVAL);
+       if (amp_conf->amp_arg < 0)
                goto err;
-       PARA_NOTICE_LOG("amplification: %u (scaling factor: %1.2f)\n", conf->amp_arg,
-               conf->amp_arg / 64.0 + 1.0);
-       return conf;
+       PARA_NOTICE_LOG("amplification: %u (scaling factor: %1.2f)\n",
+               amp_conf->amp_arg, amp_conf->amp_arg / 64.0 + 1.0);
+       *config = amp_conf;
+       return 1;
 err:
-       free(conf);
-       return NULL;
+       free(amp_conf);
+       return ret;
 }
 
 static void amp_open(struct filter_node *fn)
@@ -87,11 +91,17 @@ static void amp_open(struct filter_node *fn)
  *
  * \param f Pointer to the struct to initialize.
  */
-void amp_init(struct filter *f)
+void amp_filter_init(struct filter *f)
 {
+       struct amp_filter_args_info dummy;
+
+       amp_cmdline_parser_init(&dummy);
        f->open = amp_open;
        f->close = amp_close;
        f->convert = amp_convert;
-       f->print_help = amp_cmdline_parser_print_help;
        f->parse_config = amp_parse_config;
+       f->help = (struct ggo_help) {
+               .short_help = amp_filter_args_info_help,
+               .detailed_help = amp_filter_args_info_detailed_help
+       };
 }