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-rw-r--r--audio/softsynth/mt32/AReverbModel.h87
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diff --git a/audio/softsynth/mt32/AReverbModel.h b/audio/softsynth/mt32/AReverbModel.h
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--- a/audio/softsynth/mt32/AReverbModel.h
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-/* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Dean Beeler, Jerome Fisher
- * Copyright (C) 2011, 2012, 2013 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_A_REVERB_MODEL_H
-#define MT32EMU_A_REVERB_MODEL_H
-
-namespace MT32Emu {
-
-struct AReverbSettings {
- const Bit32u * const allpassSizes;
- const Bit32u * const combSizes;
- const Bit32u * const outLPositions;
- const Bit32u * const outRPositions;
- const Bit32u * const filterFactor;
- const Bit32u * const decayTimes;
- const Bit32u * const wetLevels;
- const Bit32u lpfAmp;
-};
-
-class RingBuffer {
-protected:
- float *buffer;
- const Bit32u size;
- Bit32u index;
-
-public:
- RingBuffer(const Bit32u size);
- virtual ~RingBuffer();
- float next();
- bool isEmpty() const;
- void mute();
-};
-
-class AllpassFilter : public RingBuffer {
-public:
- AllpassFilter(const Bit32u size);
- float process(const float in);
-};
-
-class CombFilter : public RingBuffer {
- float feedbackFactor;
- float filterFactor;
-
-public:
- CombFilter(const Bit32u size);
- void process(const float in);
- float getOutputAt(const Bit32u outIndex) const;
- void setFeedbackFactor(const float useFeedbackFactor);
- void setFilterFactor(const float useFilterFactor);
-};
-
-class AReverbModel : public ReverbModel {
- AllpassFilter **allpasses;
- CombFilter **combs;
-
- const AReverbSettings &currentSettings;
- float lpfAmp;
- float wetLevel;
- void mute();
-
-public:
- AReverbModel(const ReverbMode mode);
- ~AReverbModel();
- void open();
- 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