mpd/test/dump_rva2.c

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/*
* Copyright (C) 2003-2012 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "tag_id3.h"
#include "tag_rva2.h"
#include "replay_gain_info.h"
#include "conf.h"
#include "tag.h"
#include <id3tag.h>
#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif
#include <stdlib.h>
const char *
config_get_string(gcc_unused enum ConfigOption option,
const char *default_value)
{
return default_value;
}
struct tag *
tag_new(void)
{
return NULL;
}
void
tag_add_item_n(G_GNUC_UNUSED struct tag *tag, G_GNUC_UNUSED enum tag_type type,
G_GNUC_UNUSED const char *value, G_GNUC_UNUSED size_t len)
{
}
void
tag_free(struct tag *tag)
{
g_free(tag);
}
int main(int argc, char **argv)
{
GError *error = NULL;
#ifdef HAVE_LOCALE_H
/* initialize locale */
setlocale(LC_CTYPE,"");
#endif
if (argc != 2) {
g_printerr("Usage: read_rva2 FILE\n");
return 1;
}
const char *path = argv[1];
struct id3_tag *tag = tag_id3_load(path, &error);
if (tag == NULL) {
if (error != NULL) {
g_printerr("%s\n", error->message);
g_error_free(error);
} else
g_printerr("No ID3 tag found\n");
return EXIT_FAILURE;
}
struct replay_gain_info replay_gain;
replay_gain_info_init(&replay_gain);
bool success = tag_rva2_parse(tag, &replay_gain);
id3_tag_delete(tag);
if (!success) {
g_printerr("No RVA2 tag found\n");
return EXIT_FAILURE;
}
const struct replay_gain_tuple *tuple =
&replay_gain.tuples[REPLAY_GAIN_ALBUM];
if (replay_gain_tuple_defined(tuple))
g_printerr("replay_gain[album]: gain=%f peak=%f\n",
tuple->gain, tuple->peak);
tuple = &replay_gain.tuples[REPLAY_GAIN_TRACK];
if (replay_gain_tuple_defined(tuple))
g_printerr("replay_gain[track]: gain=%f peak=%f\n",
tuple->gain, tuple->peak);
return EXIT_SUCCESS;
}