33 void setB0( StkFloat b0 ) { b_[0] = b0; };
36 void setB1( StkFloat b1 ) { b_[1] = b1; };
39 void setB2( StkFloat b2 ) { b_[2] = b2; };
42 void setCoefficients( StkFloat b0, StkFloat b1, StkFloat b2,
bool clearState =
false );
57 void setNotch( StkFloat frequency, StkFloat radius );
60 StkFloat
lastOut(
void )
const {
return lastFrame_[0]; };
63 StkFloat
tick( StkFloat input );
89 void sampleRateChanged( StkFloat newRate, StkFloat oldRate );
94 inputs_[0] = gain_ * input;
95 lastFrame_[0] = b_[2] * inputs_[2] + b_[1] * inputs_[1] + b_[0] * inputs_[0];
96 inputs_[2] = inputs_[1];
97 inputs_[1] = inputs_[0];
104 #if defined(_STK_DEBUG_)
105 if ( channel >= frames.
channels() ) {
106 oStream_ <<
"TwoZero::tick(): channel and StkFrames arguments are incompatible!";
111 StkFloat *samples = &frames[channel];
112 unsigned int hop = frames.
channels();
113 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop ) {
114 inputs_[0] = gain_ * *samples;
115 *samples = b_[2] * inputs_[2] + b_[1] * inputs_[1] + b_[0] * inputs_[0];
116 inputs_[2] = inputs_[1];
117 inputs_[1] = inputs_[0];
120 lastFrame_[0] = *(samples-hop);
126 #if defined(_STK_DEBUG_)
128 oStream_ <<
"TwoZero::tick(): channel and StkFrames arguments are incompatible!";
133 StkFloat *iSamples = &iFrames[iChannel];
134 StkFloat *oSamples = &oFrames[oChannel];
136 for (
unsigned int i=0; i<iFrames.
frames(); i++, iSamples += iHop, oSamples += oHop ) {
137 inputs_[0] = gain_ * *iSamples;
138 *oSamples = b_[2] * inputs_[2] + b_[1] * inputs_[1] + b_[0] * inputs_[0];
139 inputs_[2] = inputs_[1];
140 inputs_[1] = inputs_[0];
143 lastFrame_[0] = *(oSamples-oHop);