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/* ScummVM - Scumm Interpreter
* Copyright (C) 2004 The ScummVM project
* Based on Tristan's conversion of Canadacow's code
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#ifndef CPARTIALMT32_H
#define CPARTIALMT32_H
#include "backends/midi/mt32/structures.h"
// Class definition of MT-32 partials. 32 in all.
class CPartialMT32 {
private:
int useMix;
int partNum;
int pN;
int16 myBuffer[2048];
// For temporary output of paired buffer
int16 pairBuffer[2048];
void mixBuffers(int16 * buf1, int16 * buf2, int len);
void mixBuffersRingMix(int16 * buf1, int16 * buf2, int len);
void mixBuffersRing(int16 * buf1, int16 * buf2, int len);
void mixBuffersStereo(int16 * buf1, int16 * buf2, int16 * outBuf, int len);
public:
patchCache *tcache;
patchCache cachebackup[4];
//FILE *fp;
//FILE *fp2;
dpoly::partialStatus *partCache;
CPartialMT32 *tibrePair;
bool isActive;
bool alreadyOutputed;
int ownerChan;
int64 age;
int timbreNum;
dpoly *tmppoly;
CPartialMT32(int partialNum) {
isActive = false;
pN = partialNum;
/*
sprintf(buffer, "partial%d.raw",pN);
fp = fopen(buffer,"wb");
sprintf(buffer, "partial%dx.raw",pN);
fp2 = fopen(buffer,"wb");
*/
};
void startPartial(dpoly *usePoly, patchCache *useCache, dpoly::partialStatus * usePart, CPartialMT32 * pairPart, int mixType, int num, int ownChan, int timNum) {
//LOG_MSG("Starting partial %d for %d", num, ownChan);
tmppoly = usePoly;
tcache = useCache;
partCache = usePart;
tibrePair = pairPart;
isActive = true;
useMix = mixType;
partNum = num;
age = 0;
ownerChan = ownChan;
alreadyOutputed = false;
timbreNum = timNum;
memset(usePart->history,0,sizeof(usePart->history));
}
void stopPartial(void) { isActive = false; }
// Returns true only if data written to buffer
// This function (unline the one below it) returns processed stereo samples
// made from combining this single partial with its pair, if it has one.
bool produceOutput(int16 * partialBuf, long length);
// This function produces mono sample output of the specific partial
void generateSamples(int16 * partialBuf, long length);
};
#endif
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