/* * Copyright (C) 2003-2011 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. */ #ifndef MPD_VOLUME_H #define MPD_VOLUME_H #include <stdbool.h> #include <stdio.h> void volume_init(void); void volume_finish(void); int volume_level_get(void); bool volume_level_change(unsigned volume); bool read_sw_volume_state(const char *line); void save_sw_volume_state(FILE *fp); /** * Generates a hash number for the current state of the software * volume control. This is used by timer_save_state_file() to * determine whether the state has changed and the state file should * be saved. */ unsigned sw_volume_state_get_hash(void); #endif