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/*
* Copyright 2009,2010,2011,2012 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/>.
*
*/
#ifndef _DSP_OSC_H_
#define _DSP_OSC_H_
#include "DspObject.h"
/** [osc~], [osc~ float] */
class DspOsc : public DspObject {
public:
static MessageObject *new_object(PdMessage *init_message, PdGraph *graph);
DspOsc(PdMessage *init_message, PdGraph *graph); // and oscillator of default zero frequency
~DspOsc();
static const char *get_object_label();
std::string toString();
void onInletConnectionUpdate(unsigned int inlet_index);
private:
static void processScalar(DspObject *dspObject, int fromIndex, int toIndex);
void process_message(int inlet_index, PdMessage *message);
float frequency; // frequency and phase are stored as integers because they are used
float sampleStep;
int phase; // in for-loops to traverse the lookup table
static float *cos_table; // the cosine lookup table
static int refCount; // a reference counter for cos_table. Now we know when to free it.
#if __SSE3__
__m128i inc; // the amount by which to increment indicies every step
__m128i indicies; // the table lookup indicies
#endif
};
inline const char *DspOsc::get_object_label() {
return "osc~";
}
#endif // _DSP_OSC_H_