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/*
* Copyright (C) 2003-2013 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 "ApeReplayGain.hxx"
#include "ApeLoader.hxx"
#include "ReplayGainInfo.hxx"
#include "util/ASCII.hxx"
#include "fs/Path.hxx"
#include <string.h>
#include <stdlib.h>
static bool
replay_gain_ape_callback(unsigned long flags, const char *key,
const char *_value, size_t value_length,
ReplayGainInfo &info)
{
/* we only care about utf-8 text tags */
if ((flags & (0x3 << 1)) != 0)
return false;
char value[16];
if (value_length >= sizeof(value))
return false;
memcpy(value, _value, value_length);
value[value_length] = 0;
if (StringEqualsCaseASCII(key, "replaygain_track_gain")) {
info.tuples[REPLAY_GAIN_TRACK].gain = atof(value);
return true;
} else if (StringEqualsCaseASCII(key, "replaygain_album_gain")) {
info.tuples[REPLAY_GAIN_ALBUM].gain = atof(value);
return true;
} else if (StringEqualsCaseASCII(key, "replaygain_track_peak")) {
info.tuples[REPLAY_GAIN_TRACK].peak = atof(value);
return true;
} else if (StringEqualsCaseASCII(key, "replaygain_album_peak")) {
info.tuples[REPLAY_GAIN_ALBUM].peak = atof(value);
return true;
} else
return false;
}
bool
replay_gain_ape_read(Path path_fs, ReplayGainInfo &info)
{
bool found = false;
auto callback = [&info, &found]
(unsigned long flags, const char *key,
const char *value,
size_t value_length) {
found |= replay_gain_ape_callback(flags, key,
value, value_length,
info);
return true;
};
return tag_ape_scan(path_fs, callback) && found;
}
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