1 files changed, 67 insertions, 0 deletions
diff --git a/audio/softsynth/mt32/TVP.h b/audio/softsynth/mt32/TVP.h
new file mode 100644
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+++ b/audio/softsynth/mt32/TVP.h
@@ -0,0 +1,67 @@
+/* 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_TVP_H
+#define MT32EMU_TVP_H
+
+namespace MT32Emu {
+
+class TVP {
+private:
+	const Partial * const partial;
+	const MemParams::System * const system_; // FIXME: Only necessary because masterTune calculation is done in the wrong place atm.
+
+	const Part *part;
+	const TimbreParam::PartialParam *partialParam;
+	const MemParams::PatchTemp *patchTemp;
+
+	int maxCounter;
+	int processTimerIncrement;
+	int counter;
+	Bit32u timeElapsed;
+
+	int phase;
+	Bit32u basePitch;
+	Bit32s targetPitchOffsetWithoutLFO;
+	Bit32s currentPitchOffset;
+
+	Bit16s lfoPitchOffset;
+	// In range -12 - 36
+	Bit8s timeKeyfollowSubtraction;
+
+	Bit16s pitchOffsetChangePerBigTick;
+	Bit16u targetPitchOffsetReachedBigTick;
+	unsigned int shifts;
+
+	Bit16u pitch;
+
+	void updatePitch();
+	void setupPitchChange(int targetPitchOffset, Bit8u changeDuration);
+	void targetPitchOffsetReached();
+	void nextPhase();
+	void process();
+public:
+	TVP(const Partial *partial);
+	void reset(const Part *part, const TimbreParam::PartialParam *partialParam);
+	Bit32u getBasePitch() const;
+	Bit16u nextPitch();
+	void startDecay();
+};
+
+}
+
+#endif