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/* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Dean Beeler, Jerome Fisher
* Copyright (C) 2011-2017 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_PARTIALMANAGER_H
#define MT32EMU_PARTIALMANAGER_H
#include "globals.h"
#include "internals.h"
#include "Types.h"
namespace MT32Emu {
class Part;
class Partial;
class Poly;
class Synth;
class PartialManager {
private:
Synth *synth;
Part **parts;
Poly **freePolys;
Partial **partialTable;
Bit8u numReservedPartialsForPart[9];
Bit32u firstFreePolyIndex;
int *inactivePartials; // Holds indices of inactive Partials in the Partial table
Bit32u inactivePartialCount;
bool abortFirstReleasingPolyWhereReserveExceeded(int minPart);
bool abortFirstPolyPreferHeldWhereReserveExceeded(int minPart);
public:
PartialManager(Synth *synth, Part **parts);
~PartialManager();
Partial *allocPartial(int partNum);
unsigned int getFreePartialCount();
void getPerPartPartialUsage(unsigned int perPartPartialUsage[9]);
bool freePartials(unsigned int needed, int partNum);
unsigned int setReserve(Bit8u *rset);
void deactivateAll();
bool produceOutput(int i, IntSample *leftBuf, IntSample *rightBuf, Bit32u bufferLength);
bool produceOutput(int i, FloatSample *leftBuf, FloatSample *rightBuf, Bit32u bufferLength);
bool shouldReverb(int i);
void clearAlreadyOutputed();
const Partial *getPartial(unsigned int partialNum) const;
Poly *assignPolyToPart(Part *part);
void polyFreed(Poly *poly);
void partialDeactivated(int partialIndex);
}; // class PartialManager
} // namespace MT32Emu
#endif // #ifndef MT32EMU_PARTIALMANAGER_H
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