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/*
* Copyright (C) 2003-2010 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 "replay_gain_ape.h"
#include "replay_gain_info.h"
#include "ape.h"
#include <glib.h>
#include <string.h>
#include <stdlib.h>
struct rg_ape_ctx {
struct replay_gain_info *info;
bool found;
};
static bool
replay_gain_ape_callback(unsigned long flags, const char *key,
const char *_value, size_t value_length, void *_ctx)
{
struct rg_ape_ctx *ctx = _ctx;
/* we only care about utf-8 text tags */
if ((flags & (0x3 << 1)) != 0)
return true;
char value[16];
if (value_length >= sizeof(value))
return true;
memcpy(value, _value, value_length);
value[value_length] = 0;
if (g_ascii_strcasecmp(key, "replaygain_track_gain") == 0) {
ctx->info->tuples[REPLAY_GAIN_TRACK].gain = atof(value);
ctx->found = true;
} else if (g_ascii_strcasecmp(key, "replaygain_album_gain") == 0) {
ctx->info->tuples[REPLAY_GAIN_ALBUM].gain = atof(value);
ctx->found = true;
} else if (g_ascii_strcasecmp(key, "replaygain_track_peak") == 0) {
ctx->info->tuples[REPLAY_GAIN_TRACK].peak = atof(value);
ctx->found = true;
} else if (g_ascii_strcasecmp(key, "replaygain_album_peak") == 0) {
ctx->info->tuples[REPLAY_GAIN_ALBUM].peak = atof(value);
ctx->found = true;
}
return true;
}
bool
replay_gain_ape_read(const char *path_fs, struct replay_gain_info *info)
{
struct rg_ape_ctx ctx = {
.info = info,
.found = false,
};
return tag_ape_scan(path_fs, replay_gain_ape_callback, &ctx) &&
ctx.found;
}
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