From 88af35c0aba64783e111dfb0585d7958a9e9963e Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Sat, 14 Mar 2009 11:35:40 +0100 Subject: volume: moved code to mixer_all.c --- src/mixer_all.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 src/mixer_all.h (limited to 'src/mixer_all.h') diff --git a/src/mixer_all.h b/src/mixer_all.h new file mode 100644 index 000000000..66c4988de --- /dev/null +++ b/src/mixer_all.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2003-2009 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. + */ + +/** \file + * + * Functions which affect the mixers of all audio outputs. + */ + +#ifndef MPD_MIXER_ALL_H +#define MPD_MIXER_ALL_H + +#include + +/** + * Returns the average volume of all available mixers (range 0..100). + * Returns -1 if no mixer can be queried. + */ +int +mixer_all_get_volume(void); + +/** + * Sets the volume on all available mixers. + * + * @param volume the volume (range 0..100 or -100..100 if #relative) + * @param relative if true, then the #volume is added to the current value + * @return true on success, false on failure + */ +bool +mixer_all_set_volume(int volume, bool relative); + +#endif -- cgit v1.2.3