e1lama/stk
1
0
Fork 0
mirror of https://github.com/thestk/stk synced 2026-01-12 12:31:53 +00:00
Code Issues Packages Projects Releases Wiki Activity

Version 4.2.0

Browse Source
This commit is contained in:
Gary Scavone
2009-03-24 23:02:14 -04:00
committed by Stephen Sinclair
parent cf06b7598b
commit a6381b9d38
281 changed files with 17152 additions and 12000 deletions
Download Patch File Download Diff File Expand all files Collapse all files

105
src/Simple.cpp
View File

@@ -13,7 +13,7 @@
- Envelope Rate = 11
- Gain = 128
by Perry R. Cook and Gary P. Scavone, 1995 - 2002.
by Perry R. Cook and Gary P. Scavone, 1995 - 2004.
*/
/***************************************************/
@@ -22,101 +22,110 @@
Simple :: Simple()
{
adsr = new ADSR;
baseFrequency = (MY_FLOAT) 440.0;
// Concatenate the STK rawwave path to the rawwave file
loop = new WaveLoop( (Stk::rawwavePath() + "impuls10.raw").c_str(), TRUE );
loop_ = new WaveLoop( (Stk::rawwavePath() + "impuls10.raw").c_str(), true );
filter = new OnePole(0.5);
noise = new Noise;
biquad = new BiQuad();
setFrequency(baseFrequency);
loopGain = 0.5;
filter_.setPole( 0.5 );
baseFrequency_ = 440.0;
setFrequency( baseFrequency_ );
loopGain_ = 0.5;
}
Simple :: ~Simple()
{
delete adsr;
delete loop;
delete filter;
delete biquad;
delete loop_;
}
void Simple :: keyOn()
{
adsr->keyOn();
adsr_.keyOn();
}
void Simple :: keyOff()
{
adsr->keyOff();
adsr_.keyOff();
}
void Simple :: noteOn(MY_FLOAT frequency, MY_FLOAT amplitude)
void Simple :: noteOn(StkFloat frequency, StkFloat amplitude)
{
keyOn();
setFrequency(frequency);
filter->setGain(amplitude);
this->keyOn();
this->setFrequency( frequency );
filter_.setGain( amplitude );
#if defined(_STK_DEBUG_)
std::cerr << "Simple: NoteOn frequency = " << frequency << ", amplitude = " << amplitude << std::endl;
errorString_ << "Simple::NoteOn: frequency = " << frequency << ", amplitude = " << amplitude << '.';
handleError( StkError::DEBUG_WARNING );
#endif
}
void Simple :: noteOff(MY_FLOAT amplitude)
void Simple :: noteOff(StkFloat amplitude)
{
keyOff();
this->keyOff();
#if defined(_STK_DEBUG_)
std::cerr << "Simple: NoteOff amplitude = " << amplitude << std::endl;
errorString_ << "Simple::NoteOff: amplitude = " << amplitude << ".";
handleError( StkError::DEBUG_WARNING );
#endif
}
void Simple :: setFrequency(MY_FLOAT frequency)
void Simple :: setFrequency(StkFloat frequency)
{
biquad->setResonance( frequency, 0.98, true );
loop->setFrequency(frequency);
biquad_.setResonance( frequency, 0.98, true );
loop_->setFrequency( frequency );
}
MY_FLOAT Simple :: tick()
StkFloat Simple :: tick()
{
lastOutput = loopGain * loop->tick();
biquad->tick( noise->tick() );
lastOutput += (1.0 - loopGain) * biquad->lastOut();
lastOutput = filter->tick( lastOutput );
lastOutput *= adsr->tick();
return lastOutput;
lastOutput_ = loopGain_ * loop_->tick();
biquad_.tick( noise_.tick() );
lastOutput_ += (1.0 - loopGain_) * biquad_.lastOut();
lastOutput_ = filter_.tick( lastOutput_ );
lastOutput_ *= adsr_.tick();
return lastOutput_;
}
void Simple :: controlChange(int number, MY_FLOAT value)
StkFloat *Simple :: tick(StkFloat *vector, unsigned int vectorSize)
{
MY_FLOAT norm = value * ONE_OVER_128;
return Instrmnt::tick( vector, vectorSize );
}
StkFrames& Simple :: tick( StkFrames& frames, unsigned int channel )
{
return Instrmnt::tick( frames, channel );
}
void Simple :: controlChange(int number, StkFloat value)
{
StkFloat norm = value * ONE_OVER_128;
if ( norm < 0 ) {
norm = 0.0;
std::cerr << "Clarinet: Control value less than zero!" << std::endl;
errorString_ << "Simple::controlChange: control value less than zero ... setting to zero!";
handleError( StkError::WARNING );
}
else if ( norm > 1.0 ) {
norm = 1.0;
std::cerr << "Clarinet: Control value greater than 128.0!" << std::endl;
errorString_ << "Simple::controlChange: control value greater than 128.0 ... setting to 128.0!";
handleError( StkError::WARNING );
}
if (number == __SK_Breath_) // 2
filter->setPole( 0.99 * (1.0 - (norm * 2.0)) );
filter_.setPole( 0.99 * (1.0 - (norm * 2.0)) );
else if (number == __SK_NoiseLevel_) // 4
loopGain = norm;
loopGain_ = norm;
else if (number == __SK_ModFrequency_) { // 11
norm /= 0.2 * Stk::sampleRate();
adsr->setAttackRate( norm );
adsr->setDecayRate( norm );
adsr->setReleaseRate( norm );
adsr_.setAttackRate( norm );
adsr_.setDecayRate( norm );
adsr_.setReleaseRate( norm );
}
else if (number == __SK_AfterTouch_Cont_) // 128
adsr->setTarget( norm );
else
std::cerr << "Simple: Undefined Control Number (" << number << ")!!" << std::endl;
adsr_.setTarget( norm );
else {
errorString_ << "Simple::controlChange: undefined control number (" << number << ")!";
handleError( StkError::WARNING );
}
#if defined(_STK_DEBUG_)
std::cerr << "Simple: controlChange number = " << number << ", value = " << value << std::endl;
errorString_ << "Simple::controlChange: number = " << number << ", value = " << value << '.';
handleError( StkError::DEBUG_WARNING );
#endif
}