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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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47
include/Flute.h
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@@ -32,7 +32,7 @@ namespace stk {
- 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.
*/
/***************************************************/
@@ -55,10 +55,10 @@ class Flute : public Instrmnt
void setFrequency( StkFloat frequency );
//! Set the reflection coefficient for the jet delay (-1.0 - 1.0).
void setJetReflection( StkFloat coefficient );
void setJetReflection( StkFloat coefficient ) { jetReflection_ = coefficient; };
//! Set the reflection coefficient for the air column delay (-1.0 - 1.0).
void setEndReflection( StkFloat coefficient );
void setEndReflection( StkFloat coefficient ) { endReflection_ = coefficient; };
//! Set the length of the jet delay in terms of a ratio of jet delay to air column delay lengths.
void setJetDelay( StkFloat aRatio );
@@ -81,6 +81,16 @@ class Flute : public Instrmnt
//! Compute and return one output sample.
StkFloat tick( unsigned int channel = 0 );
//! Fill a channel of the StkFrames object with computed outputs.
/*!
The \c channel argument must be less than the number of
channels in the StkFrames argument (the first channel is specified
by 0). However, range checking is only performed if _STK_DEBUG_
is defined during compilation, in which case an out-of-range value
will trigger an StkError exception.
*/
StkFrames& tick( StkFrames& frames, unsigned int channel = 0 );
protected:
DelayL jetDelay_;
@@ -91,7 +101,7 @@ class Flute : public Instrmnt
Noise noise_;
ADSR adsr_;
SineWave vibrato_;
unsigned long length_;
StkFloat lastFrequency_;
StkFloat maxPressure_;
StkFloat jetReflection_;
@@ -112,7 +122,7 @@ inline StkFloat Flute :: tick( unsigned int )
breathPressure = maxPressure_ * adsr_.tick();
breathPressure += breathPressure * ( noiseGain_ * noise_.tick() + vibratoGain_ * vibrato_.tick() );
StkFloat temp = filter_.tick( boreDelay_.lastOut() );
StkFloat temp = -filter_.tick( boreDelay_.lastOut() );
temp = dcBlock_.tick( temp ); // Block DC on reflection.
pressureDiff = breathPressure - (jetReflection_ * temp);
@@ -124,6 +134,33 @@ inline StkFloat Flute :: tick( unsigned int )
return lastFrame_[0];
}
inline StkFrames& Flute :: tick( StkFrames& frames, unsigned int channel )
{
unsigned int nChannels = lastFrame_.channels();
#if defined(_STK_DEBUG_)
if ( channel > frames.channels() - nChannels ) {
oStream_ << "Flute::tick(): channel and StkFrames arguments are incompatible!";
handleError( StkError::FUNCTION_ARGUMENT );
}
#endif
StkFloat *samples = &frames[channel];
unsigned int j, hop = frames.channels() - nChannels;
if ( nChannels == 1 ) {
for ( unsigned int i=0; i<frames.frames(); i++, samples += hop )
*samples++ = tick();
}
else {
for ( unsigned int i=0; i<frames.frames(); i++, samples += hop ) {
*samples++ = tick();
for ( j=1; j<nChannels; j++ )
*samples++ = lastFrame_[j];
}
}
return frames;
}
} // stk namespace
#endif