string.c: Fix typos in comment.
[paraslash.git] / amp_filter.c
index b0f3687..61b1653 100644 (file)
@@ -1,18 +1,14 @@
-/*
- * Copyright (C) 2009-2013 Andre Noll <maan@systemlinux.org>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 2009 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
 
 /** \file amp_filter.c Paraslash's amplify filter. */
 
 #include <regex.h>
+#include <lopsub.h>
 
+#include "filter_cmd.lsg.h"
 #include "para.h"
-#include "amp_filter.cmdline.h"
 #include "list.h"
 #include "sched.h"
-#include "ggo.h"
 #include "buffer_tree.h"
 #include "filter.h"
 #include "string.h"
@@ -31,40 +27,25 @@ static void amp_close(struct filter_node *fn)
        free(fn->private_data);
 }
 
-static int amp_parse_config(int argc, char **argv, void **config)
-{
-       struct amp_filter_args_info *conf = para_calloc(sizeof(*conf));
-       int ret = -E_AMP_SYNTAX;
-
-       amp_filter_cmdline_parser(argc, argv, conf);
-       ret = -ERRNO_TO_PARA_ERROR(EINVAL);
-       if (conf->amp_arg < 0)
-               goto err;
-       *config = conf;
-       return 1;
-err:
-       free(conf);
-       return ret;
-}
-
 static void amp_open(struct filter_node *fn)
 {
        struct private_amp_data *pad = para_calloc(sizeof(*pad));
-       struct amp_filter_args_info *conf = fn->conf;
+       unsigned given = FILTER_CMD_OPT_GIVEN(AMP, AMP, fn->lpr);
+       uint32_t amp_arg = FILTER_CMD_OPT_UINT32_VAL(AMP, AMP, fn->lpr);
 
        fn->private_data = pad;
        fn->min_iqs = 2;
-       if (!conf->amp_given && stat_item_values[SI_AMPLIFICATION])
-               sscanf(stat_item_values[SI_AMPLIFICATION], "%u", &pad->amp);
+       if (!given && stat_item_values[SI_amplification])
+               sscanf(stat_item_values[SI_amplification], "%u", &pad->amp);
        else
-               pad->amp = conf->amp_arg;
+               pad->amp = amp_arg;
        PARA_INFO_LOG("amplification: %u (scaling factor: %1.2f)\n",
                pad->amp, pad->amp / 64.0 + 1.0);
 }
 
-static int amp_post_select(__a_unused struct sched *s, struct task *t)
+static int amp_post_select(__a_unused struct sched *s, void *context)
 {
-       struct filter_node *fn = container_of(t, struct filter_node, task);
+       struct filter_node *fn = context;
        struct private_amp_data *pad = fn->private_data;
        struct btr_node *btrn = fn->btrn;
        int ret, factor = 64 + pad->amp;
@@ -116,26 +97,9 @@ err:
        return ret;
 }
 
-static void amp_free_config(void *conf)
-{
-       amp_filter_cmdline_parser_free(conf);
-}
-
-/**
- * The init function of the amplify filter.
- *
- * \param f Pointer to the struct to initialize.
- */
-void amp_filter_init(struct filter *f)
-{
-       struct amp_filter_args_info dummy;
-
-       amp_filter_cmdline_parser_init(&dummy);
-       f->open = amp_open;
-       f->close = amp_close;
-       f->pre_select = generic_filter_pre_select;
-       f->post_select = amp_post_select;
-       f->parse_config = amp_parse_config;
-       f->free_config = amp_free_config;
-       f->help = (struct ggo_help)DEFINE_GGO_HELP(amp_filter);
-}
+const struct filter lsg_filter_cmd_com_amp_user_data = {
+       .open = amp_open,
+       .close = amp_close,
+       .pre_select = generic_filter_pre_select,
+       .post_select = amp_post_select,
+};