X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=amp_filter.c;h=a011c411ef376c61f89fa6cc6baf574f04caeb0f;hp=392fff6547c12cb7aa6c1abd62260526171be23b;hb=5446dfe5a4d54aa49dbc961956818d751e817326;hpb=2b8ac364a9ad11f67bfc1cdd01c113bde30baaf7 diff --git a/amp_filter.c b/amp_filter.c index 392fff65..a011c411 100644 --- a/amp_filter.c +++ b/amp_filter.c @@ -1,15 +1,16 @@ /* - * Copyright (C) 2008 Andre Noll + * Copyright (C) 2009 Andre Noll * * 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 + }; }