151 lines
3.5 KiB
C
151 lines
3.5 KiB
C
/*
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* Copyright (C) 2003-2011 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "replay_gain_config.h"
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#include "playlist.h"
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#include "conf.h"
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#include "idle.h"
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#include "mpd_error.h"
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#include <glib.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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static const char *const replay_gain_mode_names[] = {
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[REPLAY_GAIN_ALBUM] = "album",
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[REPLAY_GAIN_TRACK] = "track",
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};
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enum replay_gain_mode replay_gain_mode = REPLAY_GAIN_OFF;
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const bool DEFAULT_REPLAYGAIN_LIMIT = true;
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float replay_gain_preamp = 1.0;
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float replay_gain_missing_preamp = 1.0;
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bool replay_gain_limit;
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const char *
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replay_gain_get_mode_string(void)
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{
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switch (replay_gain_mode) {
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case REPLAY_GAIN_AUTO:
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return "auto";
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case REPLAY_GAIN_OFF:
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return "off";
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case REPLAY_GAIN_TRACK:
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return "track";
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case REPLAY_GAIN_ALBUM:
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return "album";
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}
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/* unreachable */
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assert(false);
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return "off";
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}
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bool
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replay_gain_set_mode_string(const char *p)
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{
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assert(p != NULL);
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if (strcmp(p, "off") == 0)
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replay_gain_mode = REPLAY_GAIN_OFF;
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else if (strcmp(p, "track") == 0)
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replay_gain_mode = REPLAY_GAIN_TRACK;
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else if (strcmp(p, "album") == 0)
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replay_gain_mode = REPLAY_GAIN_ALBUM;
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else if (strcmp(p, "auto") == 0)
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replay_gain_mode = REPLAY_GAIN_AUTO;
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else
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return false;
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idle_add(IDLE_OPTIONS);
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return true;
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}
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void replay_gain_global_init(void)
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{
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const struct config_param *param = config_get_param(CONF_REPLAYGAIN);
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if (param != NULL && !replay_gain_set_mode_string(param->value)) {
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MPD_ERROR("replaygain value \"%s\" at line %i is invalid\n",
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param->value, param->line);
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}
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param = config_get_param(CONF_REPLAYGAIN_PREAMP);
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if (param) {
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char *test;
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float f = strtod(param->value, &test);
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if (*test != '\0') {
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MPD_ERROR("Replaygain preamp \"%s\" is not a number at "
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"line %i\n", param->value, param->line);
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}
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if (f < -15 || f > 15) {
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MPD_ERROR("Replaygain preamp \"%s\" is not between -15 and"
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"15 at line %i\n", param->value, param->line);
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}
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replay_gain_preamp = pow(10, f / 20.0);
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}
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param = config_get_param(CONF_REPLAYGAIN_MISSING_PREAMP);
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if (param) {
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char *test;
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float f = strtod(param->value, &test);
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if (*test != '\0') {
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MPD_ERROR("Replaygain missing preamp \"%s\" is not a number at "
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"line %i\n", param->value, param->line);
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}
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if (f < -15 || f > 15) {
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MPD_ERROR("Replaygain missing preamp \"%s\" is not between -15 and"
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"15 at line %i\n", param->value, param->line);
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}
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replay_gain_missing_preamp = pow(10, f / 20.0);
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}
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replay_gain_limit = config_get_bool(CONF_REPLAYGAIN_LIMIT, DEFAULT_REPLAYGAIN_LIMIT);
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}
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enum replay_gain_mode replay_gain_get_real_mode(void)
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{
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enum replay_gain_mode rgm;
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rgm = replay_gain_mode;
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if (rgm == REPLAY_GAIN_AUTO)
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rgm = g_playlist.queue.random ? REPLAY_GAIN_TRACK : REPLAY_GAIN_ALBUM;
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return rgm;
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}
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