allanger/paulxstretch
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Preliminary work to enable multichannel output again with a parameter to determine the output channels to render

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This commit is contained in:
xenakios 2017-12-14 00:19:46 +02:00
parent 71a9419e51
commit d05a5d41a8
3 changed files with 45 additions and 8 deletions
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30
Source/PluginEditor.h
View File

@ -61,16 +61,21 @@ inline void attachCallback(Button& button, std::function<void()> callback)
class MySlider : public Slider
{
public:
MySlider() {}
MySlider(NormalisableRange<float>* range) : m_range(range)
{
}
double proportionOfLengthToValue(double x) override
{
if (m_range)
return m_range->convertFrom0to1(x);
return Slider::proportionOfLengthToValue(x);
}
double valueToProportionOfLength(double x) override
{
if (m_range)
return m_range->convertTo0to1(x);
return Slider::valueToProportionOfLength(x);
}
private:
NormalisableRange<float>* m_range = nullptr;
@ -94,6 +99,16 @@ public:
m_slider->addListener(this);
addAndMakeVisible(m_slider.get());
}
AudioParameterInt* intpar = dynamic_cast<AudioParameterInt*>(par);
if (intpar)
{
m_slider = std::make_unique<MySlider>();
m_notify_only_on_release = notifyOnlyOnRelease;
m_slider->setRange(intpar->getRange().getStart(), intpar->getRange().getEnd(), 1.0);
m_slider->setValue(*intpar, dontSendNotification);
m_slider->addListener(this);
addAndMakeVisible(m_slider.get());
}
AudioParameterChoice* choicepar = dynamic_cast<AudioParameterChoice*>(par);
if (choicepar)
{
@ -121,7 +136,11 @@ public:
if (m_notify_only_on_release == true)
return;
AudioParameterFloat* floatpar = dynamic_cast<AudioParameterFloat*>(m_par);
if (floatpar!=nullptr)
*floatpar = slid->getValue();
AudioParameterInt* intpar = dynamic_cast<AudioParameterInt*>(m_par);
if (intpar != nullptr)
*intpar = slid->getValue();
}
void sliderDragStarted(Slider* slid) override
{
@ -133,7 +152,11 @@ public:
if (m_notify_only_on_release == false)
return;
AudioParameterFloat* floatpar = dynamic_cast<AudioParameterFloat*>(m_par);
if (floatpar!=nullptr)
*floatpar = slid->getValue();
AudioParameterInt* intpar = dynamic_cast<AudioParameterInt*>(m_par);
if (intpar != nullptr)
*intpar = slid->getValue();
}
void buttonClicked(Button* but) override
{
@ -146,10 +169,15 @@ public:
void updateComponent()
{
AudioParameterFloat* floatpar = dynamic_cast<AudioParameterFloat*>(m_par);
if (m_slider != nullptr && m_dragging == false && (float)m_slider->getValue() != *floatpar)
if (floatpar!=nullptr && m_slider != nullptr && m_dragging == false && (float)m_slider->getValue() != *floatpar)
{
m_slider->setValue(*floatpar, dontSendNotification);
}
AudioParameterInt* intpar = dynamic_cast<AudioParameterInt*>(m_par);
if (intpar != nullptr && m_slider != nullptr && m_dragging == false && (int)m_slider->getValue() != *intpar)
{
m_slider->setValue(*intpar, dontSendNotification);
}
AudioParameterBool* boolpar = dynamic_cast<AudioParameterBool*>(m_par);
if (m_togglebut != nullptr && m_togglebut->getToggleState() != *boolpar)
{

13
Source/PluginProcessor.cpp
View File

@ -115,6 +115,8 @@ PaulstretchpluginAudioProcessor::PaulstretchpluginAudioProcessor()
addParameter(new AudioParameterFloat("filter_high_0", "Filter high", 20.0f, 20000.0f, 20000.0f)); // 24
addParameter(new AudioParameterFloat("onsetdetect_0", "Onset detection", 0.0f, 1.0f, 0.0f)); // 25
addParameter(new AudioParameterBool("capture_enabled0", "Capture", false)); // 26
m_outchansparam = new AudioParameterInt("numoutchans0", "Num output channels", 1, 8, 2);
addParameter(m_outchansparam); // 27
startTimer(1, 50);
}
@ -234,7 +236,8 @@ void PaulstretchpluginAudioProcessor::startplay(Range<double> playrange, int num
void PaulstretchpluginAudioProcessor::prepareToPlay(double sampleRate, int samplesPerBlock)
{
ScopedLock locker(m_cs);
if (getNumOutputChannels() != m_cur_num_out_chans)
int numoutchans = *m_outchansparam;
if (numoutchans != m_cur_num_out_chans)
m_ready_to_play = false;
if (m_using_memory_buffer == true)
{
@ -251,8 +254,8 @@ void PaulstretchpluginAudioProcessor::prepareToPlay(double sampleRate, int sampl
String err;
startplay({ *getFloatParameter(5),*getFloatParameter(6) },
2, err);
m_cur_num_out_chans = getNumOutputChannels();
numoutchans, err);
m_cur_num_out_chans = numoutchans;
m_ready_to_play = true;
}
}
@ -393,6 +396,7 @@ void PaulstretchpluginAudioProcessor::getStateInformation (MemoryBlock& destData
paramtree.setProperty(par->paramID, (double)*par, nullptr);
}
}
paramtree.setProperty(m_outchansparam->paramID, (int)*m_outchansparam, nullptr);
if (m_current_file != File())
{
paramtree.setProperty("importedfile", m_current_file.getFullPathName(), nullptr);
@ -417,6 +421,9 @@ void PaulstretchpluginAudioProcessor::setStateInformation (const void* data, int
*par = parval;
}
}
if (tree.hasProperty(m_outchansparam->paramID))
*m_outchansparam = tree.getProperty(m_outchansparam->paramID, 2);
}
String fn = tree.getProperty("importedfile");
if (fn.isEmpty() == false)

2
Source/PluginProcessor.h
View File

@ -42,6 +42,7 @@ const int cpi_filter_low = 23;
const int cpi_filter_high = 24;
const int cpi_onsetdetection = 25;
const int cpi_capture_enabled = 26;
const int cpi_num_outchans = 27;
class PaulstretchpluginAudioProcessor : public AudioProcessor, public MultiTimer
{
@ -126,6 +127,7 @@ private:
void setFFTSize(double size);
void startplay(Range<double> playrange, int numoutchans, String& err);
SharedResourcePointer<MyThumbCache> m_thumbcache;
AudioParameterInt* m_outchansparam = nullptr;
//==============================================================================
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PaulstretchpluginAudioProcessor)
};