1 files changed, 52 insertions, 0 deletions
diff --git a/src/filter/ReplayGainFilterPlugin.hxx b/src/filter/ReplayGainFilterPlugin.hxx
new file mode 100644
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+++ b/src/filter/ReplayGainFilterPlugin.hxx
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2003-2013 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_REPLAY_GAIN_FILTER_PLUGIN_HXX
+#define MPD_REPLAY_GAIN_FILTER_PLUGIN_HXX
+
+#include "replay_gain_info.h"
+
+class Filter;
+struct mixer;
+
+/**
+ * Enables or disables the hardware mixer for applying replay gain.
+ *
+ * @param mixer the hardware mixer, or NULL to fall back to software
+ * volume
+ * @param base the base volume level for scale=1.0, between 1 and 100
+ * (including).
+ */
+void
+replay_gain_filter_set_mixer(Filter *_filter, struct mixer *mixer,
+			     unsigned base);
+
+/**
+ * Sets a new #replay_gain_info at the beginning of a new song.
+ *
+ * @param info the new #replay_gain_info value, or NULL if no replay
+ * gain data is available for the current song
+ */
+void
+replay_gain_filter_set_info(Filter *filter, const replay_gain_info *info);
+
+void
+replay_gain_filter_set_mode(Filter *filter, enum replay_gain_mode mode);
+
+#endif