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Implemented free filter processing. Note that the envelope manipulation from the GUI is not handled thread safely yet

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This commit is contained in:
xenakios
2018-02-27 15:02:34 +02:00
parent e8d134ce48
commit 195a630060
8 changed files with 62 additions and 7 deletions
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23
Source/PS_Source/ProcessedStretch.h
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@ -21,6 +21,7 @@
#include "FreeEdit.h"
#include "Stretch.h"
#include "../jcdp_envelope.h"
struct ProcessParameters
{
@ -413,6 +414,25 @@ inline void spectrum_do_filter(const ProcessParameters& pars, int nfreq, double
};
};
inline void spectrum_do_free_filter(shared_envelope& env, int nfreq, double samplerate,
REALTYPE *freq1, REALTYPE *freq2)
{
jassert(env != nullptr);
for (int i = 0; i<nfreq; i++)
{
double binhz = (samplerate / 2.0) / nfreq * i;
if (binhz >= 30.0)
{
double norm = jmap<double>(binhz, 0.0, samplerate / 2.0, 0.0, 1.0);
double db = jmap<double>(env->GetInterpolatedNodeValue(pow(norm, 0.25)), 0.0, 1.0, -36.0, 12.0);
freq2[i] = freq1[i] * Decibels::decibelsToGain(db);
}
else
freq2[i] = freq1[i];
};
};
class SpectrumProcess
{
public:
@ -430,13 +450,14 @@ public:
ProcessedStretch(REALTYPE rap_,int in_bufsize_,FFTWindow w=W_HAMMING,bool bypass_=false,REALTYPE samplerate_=44100.0f,int stereo_mode=0);
~ProcessedStretch();
void set_parameters(ProcessParameters *ppar);
void setFreeFilterEnvelope(shared_envelope env);
std::vector<SpectrumProcess> m_spectrum_processes;
void setBufferSize(int sz) override;
private:
REALTYPE get_stretch_multiplier(REALTYPE pos_percents) override;
// void process_output(REALTYPE *smps,int nsmps);
void process_spectrum(REALTYPE *freq) override;
shared_envelope m_free_filter_envelope;
//void copy(const realvector& freq1,realvector& freq2);
void copy(REALTYPE* freq1, REALTYPE* freq2);