mirrors/OPL
2
0
Fork 0
Code Activity

Allow multiple simultaneous notes (hackish though), setting by enum/int value (not tested), params by name.

Browse source
This commit is contained in:
bruce 2013-09-12 23:21:30 +08:00
parent b3eb3832ad
commit 02fad2dbc4
7 changed files with 76 additions and 28 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
Source/EnumFloatParameter.cpp
View file

@ -20,6 +20,15 @@ int EnumFloatParameter::getParameterIndex(void)
return i;
}
void EnumFloatParameter::setParameterIndex(int i)
{
this->value = (float)i/(float)values.size();
if (this->value < 0.0f)
this->value = 0.0f;
else if (this->value > 1.0f)
this->value = 1.0f;
}
String EnumFloatParameter::getParameterText(void)
{
return values[this->getParameterIndex()];

1
Source/EnumFloatParameter.h
View file

@ -8,6 +8,7 @@ public:
~EnumFloatParameter(void);
String getParameterText(void);
int getParameterIndex(void);
void EnumFloatParameter::setParameterIndex(int);
private:
StringArray values;
};

11
Source/IntFloatParameter.cpp
View file

@ -15,12 +15,21 @@ IntFloatParameter::~IntFloatParameter(void)
int IntFloatParameter::getParameterValue(void)
{
int range = max - min;
int i = (int)(this->value * range);
int i = (int)(this->value * range) + min;
if (i > range)
i = range;
return i;
}
void IntFloatParameter::setParameterValue(int i)
{
this->value = (float)(i - min)/(float)(max - min);
if (this->value < 0.0f)
this->value = 0.0f;
else if (this->value > 1.0f)
this->value = 1.0f;
}
String IntFloatParameter::getParameterText(void)
{
return String(this->getParameterValue());

1
Source/IntFloatParameter.h
View file

@ -8,6 +8,7 @@ public:
~IntFloatParameter(void);
String getParameterText(void);
int getParameterValue(void);
void setParameterValue(int i);
private:
int min;
int max;

49
Source/PluginProcessor.cpp
View file

@ -9,8 +9,10 @@ JuceOplvstiAudioProcessor::JuceOplvstiAudioProcessor()
Opl = new Hiopl(44100); // 1 second at 44100
Opl->SetSampleRate(44100);
Opl->EnableWaveformControl();
Opl->EnableSustain(1, 1);
Opl->EnableSustain(1, 2);
for (int i = 1; i <= Hiopl::CHANNELS; i++) {
Opl->EnableSustain(i, 1);
Opl->EnableSustain(i, 2);
}
const String waveforms[] = {"Sine", "Half Sine", "Abs Sine", "Quarter Sine"};
params.push_back(new EnumFloatParameter("Carrier Wave",
@ -63,6 +65,12 @@ JuceOplvstiAudioProcessor::JuceOplvstiAudioProcessor()
params.push_back(new IntFloatParameter("Modulator Release", 0, 15));
setParameter(params.size()-1, 0.25f);
for(int i = 0; i < params.size(); i++) {
paramIdxByName[params[i]->getName()] = i;
}
//programs["
}
JuceOplvstiAudioProcessor::~JuceOplvstiAudioProcessor()
@ -85,6 +93,22 @@ float JuceOplvstiAudioProcessor::getParameter (int index)
return params[index]->getParameter();
}
void JuceOplvstiAudioProcessor::setIntParameter (String name, int value)
{
int i = paramIdxByName[name];
IntFloatParameter* p = (IntFloatParameter*)params[i];
p->setParameterValue(value);
setParameter(i, p->getParameter());
}
void JuceOplvstiAudioProcessor::setEnumParameter (String name, int index)
{
int i = paramIdxByName[name];
EnumFloatParameter* p = (EnumFloatParameter*)params[i];
p->setParameterIndex(index);
setParameter(i, p->getParameter());
}
void JuceOplvstiAudioProcessor::setParameter (int index, float newValue)
{
FloatParameter* p = params[index];
@ -95,22 +119,22 @@ void JuceOplvstiAudioProcessor::setParameter (int index, float newValue)
osc = 1;
}
if (name.endsWith("Wave")) {
Opl->SetWaveform(1, osc, (Waveform)((EnumFloatParameter*)p)->getParameterIndex());
for(int c=1;c<=Hiopl::CHANNELS;c++) Opl->SetWaveform(c, osc, (Waveform)((EnumFloatParameter*)p)->getParameterIndex());
} else if (name.endsWith("Attenuation")) {
//Opl->SetAttenuation(1, osc, 0x1<<((EnumFloatParameter*)p)->getParameterIndex());
Opl->SetAttenuation(1, osc, ((IntFloatParameter*)p)->getParameterValue());
for(int c=1;c<=Hiopl::CHANNELS;c++) Opl->SetAttenuation(c, osc, ((IntFloatParameter*)p)->getParameterValue());
} else if (name.endsWith("Frequency Multiplier")) {
Opl->SetFrequencyMultiple(1, osc, (FreqMultiple)((EnumFloatParameter*)p)->getParameterIndex());
for(int c=1;c<=Hiopl::CHANNELS;c++) Opl->SetFrequencyMultiple(c, osc, (FreqMultiple)((EnumFloatParameter*)p)->getParameterIndex());
} else if (name.endsWith("Attack")) {
Opl->SetEnvelopeAttack(1, osc, ((IntFloatParameter*)p)->getParameterValue());
for(int c=1;c<=Hiopl::CHANNELS;c++) Opl->SetEnvelopeAttack(c, osc, ((IntFloatParameter*)p)->getParameterValue());
} else if (name.endsWith("Decay")) {
Opl->SetEnvelopeDecay(1, osc, ((IntFloatParameter*)p)->getParameterValue());
for(int c=1;c<=Hiopl::CHANNELS;c++) Opl->SetEnvelopeDecay(c, osc, ((IntFloatParameter*)p)->getParameterValue());
} else if (name.endsWith("Sustain")) {
Opl->SetEnvelopeSustain(1, osc, ((IntFloatParameter*)p)->getParameterValue());
for(int c=1;c<=Hiopl::CHANNELS;c++) Opl->SetEnvelopeSustain(c, osc, ((IntFloatParameter*)p)->getParameterValue());
} else if (name.endsWith("Release")) {
Opl->SetEnvelopeRelease(1, osc, ((IntFloatParameter*)p)->getParameterValue());
for(int c=1;c<=Hiopl::CHANNELS;c++) Opl->SetEnvelopeRelease(c, osc, ((IntFloatParameter*)p)->getParameterValue());
} else if (name.endsWith("Feedback")) {
Opl->SetModulatorFeedback(1, ((IntFloatParameter*)p)->getParameterValue());
for(int c=1;c<=Hiopl::CHANNELS;c++) Opl->SetModulatorFeedback(c, ((IntFloatParameter*)p)->getParameterValue());
}
}
@ -218,14 +242,15 @@ void JuceOplvstiAudioProcessor::processBlock (AudioSampleBuffer& buffer, MidiBuf
MidiMessage midi_message(0);
int sample_number;
while (midi_buffer_iterator.getNextEvent(midi_message,sample_number)) {
int ch = 1 + (midi_message.getNoteNumber() % Hiopl::CHANNELS); // kind of hackish, but..
if (midi_message.isNoteOn()) {
//note on at sample_number samples after
//the beginning of the current buffer
float noteHz = (float)MidiMessage::getMidiNoteInHertz(midi_message.getNoteNumber());
Opl->KeyOn(1, noteHz);
Opl->KeyOn(ch, noteHz);
}
else if (midi_message.isNoteOff()) {
Opl->KeyOff(1);
Opl->KeyOff(ch);
}
}
Opl->Generate(buffer.getNumSamples(), buffer.getSampleData(0));

4
Source/PluginProcessor.h
View file

@ -43,6 +43,8 @@ public:
float getParameter (int index);
void setParameter (int index, float newValue);
void setEnumParameter (String name, int newValue);
void setIntParameter (String name, int newValue);
const String getParameterName (int index);
const String getParameterText (int index);
@ -71,6 +73,8 @@ public:
private:
Hiopl *Opl;
std::vector<FloatParameter*> params;
std::map<String, int> paramIdxByName;
static const std::map<String, float[]> programs;
//==============================================================================
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JuceOplvstiAudioProcessor)

5
Source/hiopl.h
View file

@ -14,11 +14,10 @@ enum FreqMultiple
};
const int CHANNELS = 9;
const int OSCILLATORS = 2;
class Hiopl {
public:
static const int CHANNELS = 9;
static const int OSCILLATORS = 2;
Hiopl(int buflen);
void Generate(int length, short* buffer);
void Generate(int length, float* buffer);