1 files changed, 60 insertions, 0 deletions
diff --git a/src/mixer/MixerControl.hxx b/src/mixer/MixerControl.hxx
new file mode 100644
index 000000000..caa1c3054
--- /dev/null
+++ b/src/mixer/MixerControl.hxx
@@ -0,0 +1,60 @@
+/*
+ * 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.
+ */
+
+/** \file
+ *
+ * Functions which manipulate a #mixer object.
+ */
+
+#ifndef MPD_MIXER_CONTROL_HXX
+#define MPD_MIXER_CONTROL_HXX
+
+class Error;
+class Mixer;
+struct mixer_plugin;
+struct config_param;
+
+Mixer *
+mixer_new(const mixer_plugin *plugin, void *ao,
+	  const config_param &param,
+	  Error &error);
+
+void
+mixer_free(Mixer *mixer);
+
+bool
+mixer_open(Mixer *mixer, Error &error);
+
+void
+mixer_close(Mixer *mixer);
+
+/**
+ * Close the mixer unless the plugin's "global" flag is set.  This is
+ * called when the #audio_output is closed.
+ */
+void
+mixer_auto_close(Mixer *mixer);
+
+int
+mixer_get_volume(Mixer *mixer, Error &error);
+
+bool
+mixer_set_volume(Mixer *mixer, unsigned volume, Error &error);
+
+#endif