25 OneZero( StkFloat theZero = -1.0 );
31 void setB0( StkFloat b0 ) { b_[0] = b0; };
34 void setB1( StkFloat b1 ) { b_[1] = b1; };
37 void setCoefficients( StkFloat b0, StkFloat b1,
bool clearState =
false );
47 void setZero( StkFloat theZero );
50 StkFloat
lastOut(
void )
const {
return lastFrame_[0]; };
53 StkFloat
tick( StkFloat input );
81 inputs_[0] = gain_ * input;
82 lastFrame_[0] = b_[1] * inputs_[1] + b_[0] * inputs_[0];
83 inputs_[1] = inputs_[0];
90 #if defined(_STK_DEBUG_)
91 if ( channel >= frames.
channels() ) {
92 oStream_ <<
"OneZero::tick(): channel and StkFrames arguments are incompatible!";
97 StkFloat *samples = &frames[channel];
98 unsigned int hop = frames.
channels();
99 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop ) {
100 inputs_[0] = gain_ * *samples;
101 *samples = b_[1] * inputs_[1] + b_[0] * inputs_[0];
102 inputs_[1] = inputs_[0];
105 lastFrame_[0] = *(samples-hop);
111 #if defined(_STK_DEBUG_)
113 oStream_ <<
"OneZero::tick(): channel and StkFrames arguments are incompatible!";
118 StkFloat *iSamples = &iFrames[iChannel];
119 StkFloat *oSamples = &oFrames[oChannel];
121 for (
unsigned int i=0; i<iFrames.
frames(); i++, iSamples += iHop, oSamples += oHop ) {
122 inputs_[0] = gain_ * *iSamples;
123 *oSamples = b_[1] * inputs_[1] + b_[0] * inputs_[0];
124 inputs_[1] = inputs_[0];
127 lastFrame_[0] = *(oSamples-oHop);