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/*
* Copyright 2009,2010 Reality Jockey, Ltd.
* info@rjdj.me
* http://rjdj.me/
*
* This file is part of ZenGarden.
*
* ZenGarden 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 3 of the License, or
* (at your option) any later version.
*
* ZenGarden 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 ZenGarden. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "ArrayArithmetic.h"
#include "DspSignal.h"
#include "PdGraph.h"
MessageObject *DspSignal::newObject(PdMessage *initMessage, PdGraph *graph) {
return new DspSignal(initMessage, graph);
}
DspSignal::DspSignal(PdMessage *initMessage, PdGraph *graph) : DspObject(1, 0, 0, 1, graph) {
constant = initMessage->isFloat(0) ? initMessage->getFloat(0) : 0.0f;
processFunction = &processScalar;
processFunctionNoMessage = &processScalar;
}
DspSignal::~DspSignal() {
// nothing to do
}
string DspSignal::toString() {
char str[snprintf(NULL, 0, "%s %g", getObjectLabel(), constant)+1];
snprintf(str, sizeof(str), "%s %g", getObjectLabel(), constant);
return string(str);
}
void DspSignal::processMessage(int inletIndex, PdMessage *message) {
if (message->isFloat(0)) {
constant = message->getFloat(0);
}
}
void DspSignal::processScalar(DspObject *dspObject, int fromIndex, int toIndex) {
DspSignal *d = reinterpret_cast<DspSignal *>(dspObject);
ArrayArithmetic::fill(d->dspBufferAtOutlet[0], d->constant, fromIndex, toIndex);
}
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