/* * 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; }