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Version 4.4.3

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This commit is contained in:
Gary Scavone
2013-09-29 23:21:29 +02:00
committed by Stephen Sinclair
parent baca57040b
commit 0aec39260a
223 changed files with 26190 additions and 11130 deletions
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116
src/Saxofony.cpp
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@@ -31,7 +31,7 @@
- Vibrato Gain = 1
- Breath Pressure = 128
by Perry R. Cook and Gary P. Scavone, 1995 - 2010.
by Perry R. Cook and Gary P. Scavone, 1995-2011.
*/
/***************************************************/
@@ -42,22 +42,29 @@ namespace stk {
Saxofony :: Saxofony( StkFloat lowestFrequency )
{
length_ = (unsigned long) (Stk::sampleRate() / lowestFrequency + 1);
// Initialize blowing position to 0.2 of length / 2.
if ( lowestFrequency <= 0.0 ) {
oStream_ << "Saxofony::Saxofony: argument is less than or equal to zero!";
handleError( StkError::FUNCTION_ARGUMENT );
}
unsigned long nDelays = (unsigned long) ( Stk::sampleRate() / lowestFrequency );
delays_[0].setMaximumDelay( nDelays + 1 );
delays_[1].setMaximumDelay( nDelays + 1 );
// Initialize blowing position to 0.2 of length.
position_ = 0.2;
delays_[0].setMaximumDelay( length_ );
delays_[0].setDelay( (1.0-position_) * (length_ >> 1) );
delays_[1].setMaximumDelay( length_ );
delays_[1].setDelay( (1.0-position_) * (length_ >> 1) );
reedTable_.setOffset( 0.7 );
reedTable_.setSlope( 0.3 );
vibrato_.setFrequency((StkFloat) 5.735);
vibrato_.setFrequency( 5.735 );
outputGain_ = 0.3;
noiseGain_ = 0.2;
vibratoGain_ = 0.1;
this->setFrequency( 220.0 );
this->clear();
}
Saxofony :: ~Saxofony( void )
@@ -73,17 +80,15 @@ void Saxofony :: clear( void )
void Saxofony :: setFrequency( StkFloat frequency )
{
StkFloat freakency = frequency;
#if defined(_STK_DEBUG_)
if ( frequency <= 0.0 ) {
errorString_ << "Saxofony::setFrequency: parameter is less than or equal to zero!";
handleError( StkError::WARNING );
freakency = 220.0;
oStream_ << "Saxofony::setFrequency: argument is less than or equal to zero!";
handleError( StkError::WARNING ); return;
}
#endif
StkFloat delay = (Stk::sampleRate() / freakency) - (StkFloat) 3.0;
if (delay <= 0.0) delay = 0.3;
else if (delay > length_) delay = length_;
// Account for filter delay and one sample "lastOut" delay.
StkFloat delay = ( Stk::sampleRate() / frequency ) - filter_.phaseDelay( frequency ) - 1.0;
delays_[0].setDelay( (1.0-position_) * delay );
delays_[1].setDelay( position_ * delay );
}
@@ -105,12 +110,22 @@ void Saxofony :: setBlowPosition( StkFloat position )
void Saxofony :: startBlowing( StkFloat amplitude, StkFloat rate )
{
if ( amplitude <= 0.0 || rate <= 0.0 ) {
oStream_ << "Saxofony::startBlowing: one or more arguments is less than or equal to zero!";
handleError( StkError::WARNING ); return;
}
envelope_.setRate( rate );
envelope_.setTarget( amplitude );
}
void Saxofony :: stopBlowing( StkFloat rate )
{
if ( rate <= 0.0 ) {
oStream_ << "Saxofony::stopBlowing: argument is less than or equal to zero!";
handleError( StkError::WARNING ); return;
}
envelope_.setRate( rate );
envelope_.setTarget( 0.0 );
}
@@ -120,59 +135,42 @@ void Saxofony :: noteOn( StkFloat frequency, StkFloat amplitude )
this->setFrequency( frequency );
this->startBlowing( 0.55 + (amplitude * 0.30), amplitude * 0.005 );
outputGain_ = amplitude + 0.001;
#if defined(_STK_DEBUG_)
errorString_ << "Saxofony::NoteOn: frequency = " << frequency << ", amplitude = " << amplitude << ".";
handleError( StkError::DEBUG_WARNING );
#endif
}
void Saxofony :: noteOff( StkFloat amplitude )
{
this->stopBlowing( amplitude * 0.01 );
#if defined(_STK_DEBUG_)
errorString_ << "Saxofony::NoteOff: amplitude = " << amplitude << ".";
handleError( StkError::DEBUG_WARNING );
#endif
}
void Saxofony :: controlChange( int number, StkFloat value )
{
StkFloat norm = value * ONE_OVER_128;
if ( norm < 0 ) {
norm = 0.0;
errorString_ << "Saxofony::controlChange: control value less than zero ... setting to zero!";
handleError( StkError::WARNING );
}
else if ( norm > 1.0 ) {
norm = 1.0;
errorString_ << "Saxofony::controlChange: control value greater than 128.0 ... setting to 128.0!";
handleError( StkError::WARNING );
}
if (number == __SK_ReedStiffness_) // 2
reedTable_.setSlope( 0.1 + (0.4 * norm) );
else if (number == __SK_NoiseLevel_) // 4
noiseGain_ = ( norm * 0.4 );
else if (number == 29) // 29
vibrato_.setFrequency( norm * 12.0 );
else if (number == __SK_ModWheel_) // 1
vibratoGain_ = ( norm * 0.5 );
else if (number == __SK_AfterTouch_Cont_) // 128
envelope_.setValue( norm );
else if (number == 11) // 11
this->setBlowPosition( norm );
else if (number == 26) // reed table offset
reedTable_.setOffset(0.4 + ( norm * 0.6));
else {
errorString_ << "Saxofony::controlChange: undefined control number (" << number << ")!";
handleError( StkError::WARNING );
}
#if defined(_STK_DEBUG_)
errorString_ << "Saxofony::controlChange: number = " << number << ", value = " << value << ".";
handleError( StkError::DEBUG_WARNING );
if ( Stk::inRange( value, 0.0, 128.0 ) == false ) {
oStream_ << "Saxofony::controlChange: value (" << value << ") is out of range!";
handleError( StkError::WARNING ); return;
}
#endif
StkFloat normalizedValue = value * ONE_OVER_128;
if (number == __SK_ReedStiffness_) // 2
reedTable_.setSlope( 0.1 + (0.4 * normalizedValue) );
else if (number == __SK_NoiseLevel_) // 4
noiseGain_ = ( normalizedValue * 0.4 );
else if (number == 29) // 29
vibrato_.setFrequency( normalizedValue * 12.0 );
else if (number == __SK_ModWheel_) // 1
vibratoGain_ = ( normalizedValue * 0.5 );
else if (number == __SK_AfterTouch_Cont_) // 128
envelope_.setValue( normalizedValue );
else if (number == 11) // 11
this->setBlowPosition( normalizedValue );
else if (number == 26) // reed table offset
reedTable_.setOffset(0.4 + ( normalizedValue * 0.6));
#if defined(_STK_DEBUG_)
else {
oStream_ << "Saxofony::controlChange: undefined control number (" << number << ")!";
handleError( StkError::WARNING );
}
#endif
}