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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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25
src/PRCRev.cpp
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@@ -10,7 +10,7 @@
two series allpass units and two parallel comb
filters.
by Perry R. Cook and Gary P. Scavone, 1995 - 2010.
by Perry R. Cook and Gary P. Scavone, 1995-2011.
*/
/***************************************************/
@@ -21,10 +21,15 @@ namespace stk {
PRCRev :: PRCRev( StkFloat T60 )
{
if ( T60 <= 0.0 ) {
oStream_ << "PRCRev::PRCRev: argument (" << T60 << ") must be positive!";
handleError( StkError::FUNCTION_ARGUMENT );
}
lastFrame_.resize( 1, 2, 0.0 ); // resize lastFrame_ for stereo output
// Delay lengths for 44100 Hz sample rate.
int lengths[4]= {353, 1097, 1777, 2137};
int lengths[4]= {341, 613, 1557, 2137};
double scaler = Stk::sampleRate() / 44100.0;
// Scale the delay lengths if necessary.
@@ -64,6 +69,11 @@ void PRCRev :: clear( void )
void PRCRev :: setT60( StkFloat T60 )
{
if ( T60 <= 0.0 ) {
oStream_ << "PRCRev::setT60: argument (" << T60 << ") must be positive!";
handleError( StkError::WARNING ); return;
}
combCoefficient_[0] = pow(10.0, (-3.0 * combDelays_[0].getDelay() / (T60 * Stk::sampleRate())));
combCoefficient_[1] = pow(10.0, (-3.0 * combDelays_[1].getDelay() / (T60 * Stk::sampleRate())));
}
@@ -72,7 +82,7 @@ StkFrames& PRCRev :: tick( StkFrames& frames, unsigned int channel )
{
#if defined(_STK_DEBUG_)
if ( channel >= frames.channels() - 1 ) {
errorString_ << "PRCRev::tick(): channel and StkFrames arguments are incompatible!";
oStream_ << "PRCRev::tick(): channel and StkFrames arguments are incompatible!";
handleError( StkError::FUNCTION_ARGUMENT );
}
#endif
@@ -81,8 +91,7 @@ StkFrames& PRCRev :: tick( StkFrames& frames, unsigned int channel )
unsigned int hop = frames.channels();
for ( unsigned int i=0; i<frames.frames(); i++, samples += hop ) {
*samples = tick( *samples );
*samples++;
*samples = lastFrame_[1];
*(samples+1) = lastFrame_[1];
}
return frames;
@@ -92,7 +101,7 @@ StkFrames& PRCRev :: tick( StkFrames& iFrames, StkFrames& oFrames, unsigned int
{
#if defined(_STK_DEBUG_)
if ( iChannel >= iFrames.channels() || oChannel >= oFrames.channels() - 1 ) {
errorString_ << "PRCRev::tick(): channel and StkFrames arguments are incompatible!";
oStream_ << "PRCRev::tick(): channel and StkFrames arguments are incompatible!";
handleError( StkError::FUNCTION_ARGUMENT );
}
#endif
@@ -101,8 +110,8 @@ StkFrames& PRCRev :: tick( StkFrames& iFrames, StkFrames& oFrames, unsigned int
StkFloat *oSamples = &oFrames[oChannel];
unsigned int iHop = iFrames.channels(), oHop = oFrames.channels();
for ( unsigned int i=0; i<iFrames.frames(); i++, iSamples += iHop, oSamples += oHop ) {
*oSamples++ = tick( *iSamples );
*oSamples = lastFrame_[1];
*oSamples = tick( *iSamples );
*(oSamples+1) = lastFrame_[1];
}
return iFrames;