1 files changed, 53 insertions, 0 deletions
diff --git a/audio/softsynth/mt32/DelayReverb.h b/audio/softsynth/mt32/DelayReverb.h
new file mode 100644
index 0000000000..7c030fb839
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+++ b/audio/softsynth/mt32/DelayReverb.h
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+/* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Dean Beeler, Jerome Fisher
+ * Copyright (C) 2011 Dean Beeler, Jerome Fisher, Sergey V. Mikayev
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation, either version 2.1 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 Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MT32EMU_DELAYREVERB_H
+#define MT32EMU_DELAYREVERB_H
+
+namespace MT32Emu {
+
+class DelayReverb : public ReverbModel {
+private:
+	Bit8u time;
+	Bit8u level;
+
+	unsigned int sampleRate;
+	Bit32u bufSize;
+	Bit32u bufIx;
+
+	float *buf;
+
+	Bit32u delayLeft;
+	Bit32u delayRight;
+	Bit32u delayFeedback;
+
+	float fade;
+	float feedback;
+
+	void recalcParameters();
+
+public:
+	DelayReverb();
+	~DelayReverb();
+	void open(unsigned int sampleRate);
+	void close();
+	void setParameters(Bit8u time, Bit8u level);
+	void process(const float *inLeft, const float *inRight, float *outLeft, float *outRight, unsigned long numSamples);
+	bool isActive() const;
+};
+}
+#endif