diff options
author | Max Kellermann <max@duempel.org> | 2014-01-24 16:25:21 +0100 |
---|---|---|
committer | Max Kellermann <max@duempel.org> | 2014-01-24 16:44:32 +0100 |
commit | 68eda78704ec50f71333d661db5568700fe00355 (patch) | |
tree | 0ea518a03e303946d7b4839d04b21ef77c200ff9 /src/mixer/Volume.hxx | |
parent | 7c52a1c04bccac68f4220c8bf3d3a59c16ed58db (diff) | |
download | mpd-68eda78704ec50f71333d661db5568700fe00355.tar.gz mpd-68eda78704ec50f71333d661db5568700fe00355.tar.xz mpd-68eda78704ec50f71333d661db5568700fe00355.zip |
Mixer*: move to mixer/
Diffstat (limited to 'src/mixer/Volume.hxx')
-rw-r--r-- | src/mixer/Volume.hxx | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/mixer/Volume.hxx b/src/mixer/Volume.hxx new file mode 100644 index 000000000..06d3551eb --- /dev/null +++ b/src/mixer/Volume.hxx @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2003-2014 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_HXX +#define MPD_VOLUME_HXX + +#include "Compiler.h" + +#include <stdio.h> + +void volume_init(void); + +gcc_pure +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. + */ +gcc_pure +unsigned +sw_volume_state_get_hash(void); + +#endif |