Attempt adding control of refresh rate of random phases but some problem getting the plugin parameter to work

This commit is contained in:
xenakios 2018-11-15 20:14:56 +02:00
parent b192c720d7
commit e5af6e1da1
6 changed files with 60 additions and 7 deletions

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@ -38,7 +38,7 @@ FFT::FFT(int nsamples_, bool no_inverse)
window.data[i]=0.707f;
window.type=W_RECTANGULAR;
phases.resize(nsamples);
data.resize(nsamples,true);
bool allow_long_planning = false; // g_propsfile->getBoolValue("fftw_allow_long_planning", false);
//double t0 = Time::getMillisecondCounterHiRes();
@ -92,9 +92,15 @@ void FFT::smp2freq()
void FFT::freq2smp()
{
REALTYPE inv_2p15_2pi=1.0f/16384.0f*(float)c_PI;
for (int i=1;i<nsamples/2;i++)
if (m_phaserefreshcounter % m_phaserefreshrate == 0)
{
updatePhases();
//Logger::writeToLog("phases updated "+String(m_phaserefreshrate));
}
++m_phaserefreshcounter;
for (int i=1;i<nsamples/2;i++)
{
unsigned int rand = m_randdist(m_randgen);
unsigned int rand = phases[i]; // m_randdist(m_randgen);
REALTYPE phase=rand*inv_2p15_2pi;
data[i]=freq[i]*cos(phase);
data[nsamples-i]=freq[i]*sin(phase);
@ -131,7 +137,16 @@ void FFT::applywindow(FFTWindow type)
};
};
for (int i=0;i<nsamples;i++) smp[i]*=window.data[i];
};
}
void FFT::updatePhases()
{
for (int i = 1; i < nsamples / 2; i++)
{
phases[i] = m_randdist(m_randgen);
}
}
/*******************************************/

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@ -124,13 +124,22 @@ class FFT
void applywindow(FFTWindow type);
std::vector<REALTYPE> smp;//size of samples/2
std::vector<REALTYPE> freq;//size of samples
std::vector<unsigned int> phases;
int nsamples=0;
void setPhaseRefreshRate(int rate)
{
m_phaserefreshrate = rate;
}
private:
fftwf_plan planfftw,planifftw;
FFTWBuffer<REALTYPE> data;
int m_phaserefreshcounter = 0;
int m_phaserefreshrate = 1;
void updatePhases();
struct{
std::vector<REALTYPE> data;
FFTWindow type;
@ -165,7 +174,11 @@ class Stretch
freezing=new_freezing;
};
bool isFreezing() { return freezing; }
void setPhaseRefreshRate(int rate)
{
jassert(fft != nullptr);
fft->setPhaseRefreshRate(rate);
}
std::vector<REALTYPE> out_buf;//pot sa pun o variabila "max_out_bufsize" si asta sa fie marimea lui out_buf si pe out_bufsize sa il folosesc ca marime adaptiva
int get_nsamples(REALTYPE current_pos_percents);//how many samples are required

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@ -277,6 +277,23 @@ void StretchAudioSource::setSpectralOrderPreset(int id)
}
}
void StretchAudioSource::setPhaseRefreshRate(int rate)
{
for (auto& e : m_stretchers)
e->setPhaseRefreshRate(rate);
return;
if (rate == m_phase_refresh_rate)
return;
if (m_cs.tryEnter())
{
for (auto& e : m_stretchers)
e->setPhaseRefreshRate(rate);
m_phase_refresh_rate = rate;
++m_param_change_count;
m_cs.exit();
}
}
void StretchAudioSource::getNextAudioBlock(const AudioSourceChannelInfo & bufferToFill)
{
ScopedLock locker(m_cs);
@ -347,6 +364,7 @@ void StretchAudioSource::getNextAudioBlock(const AudioSourceChannelInfo & buffer
m_free_filter_envelope->updateRandomState();
}
++m_rand_count;
auto inbufptrs = m_file_inbuf.getArrayOfWritePointers();
REALTYPE onset_max = std::numeric_limits<REALTYPE>::min();
#ifdef USE_PPL_TO_PROCESS_STRETCHERS

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@ -114,6 +114,8 @@ public:
int64_t getLastSourcePosition() const { return m_last_filepos; }
int m_prebuffersize = 0;
void setSpectralOrderPreset(int id);
int getPhaseRefreshRate() const { return m_phase_refresh_rate; }
void setPhaseRefreshRate(int rate);
private:
CircularBuffer<float> m_stretchoutringbuf{ 1024 * 1024 };
AudioBuffer<float> m_file_inbuf;
@ -142,6 +144,7 @@ private:
int m_pause_state = 0;
Range<double> m_playrange{ 0.0,1.0 };
int64_t m_rand_count = 0;
int m_phase_refresh_rate = 1;
bool m_stream_end_reached = false;
int64_t m_output_silence_counter = 0;
File m_curfile;

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@ -184,6 +184,7 @@ PaulstretchpluginAudioProcessor::PaulstretchpluginAudioProcessor()
addParameter(new AudioParameterFloat("dryplayrate0", "Dry playrate",
NormalisableRange<float>(0.1f, 8.0f,
dprate_convertFrom0To1Func, dprate_convertTo0To1Func), 1.0f)); // 62
addParameter(new AudioParameterInt("phaserefreshrate0", "Phase randomization rate", 1, 32, 32)); // 63
auto& pars = getParameters();
for (const auto& p : pars)
m_reset_pars.push_back(p->getValue());
@ -737,6 +738,8 @@ void PaulstretchpluginAudioProcessor::processBlock (AudioSampleBuffer& buffer, M
m_free_filter_envelope->m_transform_y_random_rate = *getIntParameter(cpi_freefilter_randomy_rate);
m_free_filter_envelope->m_transform_y_random_amount = *getFloatParameter(cpi_freefilter_randomy_amount);
m_stretch_source->setPhaseRefreshRate(*getIntParameter(cpi_phase_refresh_rate));
//m_stretch_source->setSpectralModulesEnabled(m_sm_enab_pars);
if (m_stretch_source->isLoopEnabled() != *getBoolParameter(cpi_looping_enabled))

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@ -88,6 +88,7 @@ const int cpi_octaves_ratio7 = 59;
const int cpi_looping_enabled = 60;
const int cpi_rewind = 61;
const int cpi_dryplayrate = 62;
const int cpi_phase_refresh_rate = 63;
class MyThreadPool : public ThreadPool
{