/*
- * 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"
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)
*
* \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
+ };
}