/*
- * Copyright (C) 2009-2013 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2009-2014 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
/** Data specific to the amplify filter. */
struct private_amp_data {
- /** Points to the configuration data for this instance of this filter. */
/** Amplification factor. */
unsigned amp;
};
sscanf(stat_item_values[SI_AMPLIFICATION], "%u", &pad->amp);
else
pad->amp = conf->amp_arg;
- PARA_NOTICE_LOG("amplification: %u (scaling factor: %1.2f)\n",
+ PARA_INFO_LOG("amplification: %u (scaling factor: %1.2f)\n",
pad->amp, pad->amp / 64.0 + 1.0);
}
-static void amp_post_select(__a_unused struct sched *s, struct task *t)
+static int amp_post_select(__a_unused struct sched *s, struct task *t)
{
struct filter_node *fn = container_of(t, struct filter_node, task);
struct private_amp_data *pad = fn->private_data;
bool inplace = btr_inplace_ok(btrn);
if (pad->amp == 0) { /* no amplification */
- t->error = -E_AMP_ZERO_AMP;
- btr_splice_out_node(btrn);
- return;
+ btr_splice_out_node(&fn->btrn);
+ return -E_AMP_ZERO_AMP;
}
next_buffer:
ret = btr_node_status(btrn, fn->min_iqs, BTR_NT_INTERNAL);
if (ret < 0)
goto err;
if (ret == 0)
- return;
+ return 0;
btr_merge(btrn, fn->min_iqs);
in_bytes = btr_next_buffer(btrn, (char **)&in);
len = in_bytes / 2;
btr_consume(btrn, len * 2);
btr_add_output((char *)out, len * 2, btrn);
}
- t->error = 0;
goto next_buffer;
err:
assert(ret < 0);
- t->error = ret;
btr_remove_node(&fn->btrn);
+ return ret;
}
static void amp_free_config(void *conf)
f->post_select = amp_post_select;
f->parse_config = amp_parse_config;
f->free_config = amp_free_config;
- f->help = (struct ggo_help) {
- .short_help = amp_filter_args_info_help,
- .detailed_help = amp_filter_args_info_detailed_help
- };
+ f->help = (struct ggo_help)DEFINE_GGO_HELP(amp_filter);
}