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/*
SuperCollider real time audio synthesis system
Copyright (c) 2002 James McCartney. All rights reserved.
http://www.audiosynth.com
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include "SC_Unit.h"
#include "SC_Wire.h"
// demand rate unit support.
inline bool IsDemandInput(Unit* unit, int index) {
Unit* fromUnit = unit->mInput[index]->mFromUnit;
return fromUnit && fromUnit->mCalcRate == calc_DemandRate;
}
inline float DemandInput(Unit* unit, int index) {
Unit* fromUnit = unit->mInput[index]->mFromUnit;
if (fromUnit && fromUnit->mCalcRate == calc_DemandRate)
(fromUnit->mCalcFunc)(fromUnit, 1);
return IN0(index);
}
// support for audio rate input to demand UGens
// offset comes in as inNumSamples, so is in the range 1..size ! inNumSamples = 0 has a special meaning (reset).
// it is converted to a buffer index here.
inline float DemandInputA(Unit* unit, int index, int offset) {
Unit* fromUnit = unit->mInput[index]->mFromUnit;
if (!fromUnit) {
return IN0(index);
}
if (fromUnit->mCalcRate == calc_DemandRate) {
(fromUnit->mCalcFunc)(fromUnit, offset);
return IN0(index);
} else if (fromUnit->mCalcRate == calc_FullRate) {
return IN(index)[offset - 1];
} else {
return IN0(index);
}
}
inline void ResetInput(Unit* unit, int index) {
Unit* fromUnit = unit->mInput[index]->mFromUnit;
if (fromUnit && fromUnit->mCalcRate == calc_DemandRate)
(fromUnit->mCalcFunc)(fromUnit, 0);
}
#define ISDEMANDINPUT(index) IsDemandInput(unit, (index))
#define DEMANDINPUT(index) DemandInput(unit, (index))
#define DEMANDINPUT_A(index, offset) DemandInputA(unit, (index), (offset))
#define RESETINPUT(index) ResetInput(unit, (index))
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