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Diffstat (limited to '')
-rw-r--r-- | src/replay_gain_config.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/src/replay_gain_config.c b/src/replay_gain_config.c new file mode 100644 index 000000000..f82725e90 --- /dev/null +++ b/src/replay_gain_config.c @@ -0,0 +1,149 @@ +/* + * 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_config.h" +#include "playlist.h" +#include "conf.h" +#include "idle.h" + +#include <glib.h> + +#include <assert.h> +#include <stdlib.h> +#include <string.h> +#include <math.h> + +static const char *const replay_gain_mode_names[] = { + [REPLAY_GAIN_ALBUM] = "album", + [REPLAY_GAIN_TRACK] = "track", +}; + +enum replay_gain_mode replay_gain_mode = REPLAY_GAIN_OFF; + +const bool DEFAULT_REPLAYGAIN_LIMIT = true; + +float replay_gain_preamp = 1.0; +float replay_gain_missing_preamp = 1.0; +bool replay_gain_limit; + +const char * +replay_gain_get_mode_string(void) +{ + switch (replay_gain_mode) { + case REPLAY_GAIN_AUTO: + return "auto"; + + case REPLAY_GAIN_OFF: + return "off"; + + case REPLAY_GAIN_TRACK: + return "track"; + + case REPLAY_GAIN_ALBUM: + return "album"; + } + + /* unreachable */ + assert(false); + return "off"; +} + +bool +replay_gain_set_mode_string(const char *p) +{ + assert(p != NULL); + + if (strcmp(p, "off") == 0) + replay_gain_mode = REPLAY_GAIN_OFF; + else if (strcmp(p, "track") == 0) + replay_gain_mode = REPLAY_GAIN_TRACK; + else if (strcmp(p, "album") == 0) + replay_gain_mode = REPLAY_GAIN_ALBUM; + else if (strcmp(p, "auto") == 0) + replay_gain_mode = REPLAY_GAIN_AUTO; + else + return false; + + idle_add(IDLE_OPTIONS); + + return true; +} + +void replay_gain_global_init(void) +{ + const struct config_param *param = config_get_param(CONF_REPLAYGAIN); + + if (param != NULL && !replay_gain_set_mode_string(param->value)) { + g_error("replaygain value \"%s\" at line %i is invalid\n", + param->value, param->line); + } + + param = config_get_param(CONF_REPLAYGAIN_PREAMP); + + if (param) { + char *test; + float f = strtod(param->value, &test); + + if (*test != '\0') { + g_error("Replaygain preamp \"%s\" is not a number at " + "line %i\n", param->value, param->line); + } + + if (f < -15 || f > 15) { + g_error("Replaygain preamp \"%s\" is not between -15 and" + "15 at line %i\n", param->value, param->line); + } + + replay_gain_preamp = pow(10, f / 20.0); + } + + param = config_get_param(CONF_REPLAYGAIN_MISSING_PREAMP); + + if (param) { + char *test; + float f = strtod(param->value, &test); + + if (*test != '\0') { + g_error("Replaygain missing preamp \"%s\" is not a number at " + "line %i\n", param->value, param->line); + } + + if (f < -15 || f > 15) { + g_error("Replaygain missing preamp \"%s\" is not between -15 and" + "15 at line %i\n", param->value, param->line); + } + + replay_gain_missing_preamp = pow(10, f / 20.0); + } + + replay_gain_limit = config_get_bool(CONF_REPLAYGAIN_LIMIT, DEFAULT_REPLAYGAIN_LIMIT); +} + +enum replay_gain_mode replay_gain_get_real_mode(void) +{ + enum replay_gain_mode rgm; + + rgm = replay_gain_mode; + + if (rgm == REPLAY_GAIN_AUTO) + rgm = g_playlist.queue.random ? REPLAY_GAIN_TRACK : REPLAY_GAIN_ALBUM; + + return rgm; +} |