aboutsummaryrefslogtreecommitdiffstats
path: root/src/mixer_all.h
diff options
context:
space:
mode:
authorMax Kellermann <max@duempel.org>2009-03-14 11:35:40 +0100
committerMax Kellermann <max@duempel.org>2009-03-14 11:35:40 +0100
commit88af35c0aba64783e111dfb0585d7958a9e9963e (patch)
tree89425f7b5afe27c73f0d611a8a5160364dab9597 /src/mixer_all.h
parente7c3f469c3a606158144f235dd874c4faf658557 (diff)
downloadmpd-88af35c0aba64783e111dfb0585d7958a9e9963e.tar.gz
mpd-88af35c0aba64783e111dfb0585d7958a9e9963e.tar.xz
mpd-88af35c0aba64783e111dfb0585d7958a9e9963e.zip
volume: moved code to mixer_all.c
Diffstat (limited to '')
-rw-r--r--src/mixer_all.h47
1 files changed, 47 insertions, 0 deletions
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 <stdbool.h>
+
+/**
+ * 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