Initial

vst/Gain.cpp

@@ -0,0 +1,94 @@
+#include <common/StringBuffer.hpp>
+#include <vst/Gain.hpp>
+
+Gain::Gain(AudioMasterCallback audioMaster)
+: AudioEffectX(audioMaster,NumPrograms,NumParams)
+{
+  mNameValuePairs[GainControl].setNameValue("Gain","db",1);
+	setNumInputs(2);
+	setNumOutputs(2);
+	setUniqueID('Gain');
+	canMono();
+	canProcessReplacing();
+	::strcpy(mProgramName,"Default");
+}
+
+Gain::~Gain()
+{
+}
+
+void Gain::setProgramName(char *name)
+{
+  ::strcpy(mProgramName,name);
+}
+
+void Gain::getProgramName(char *name)
+{
+  ::strcpy(name,mProgramName);
+}
+
+void Gain::setParameter(long index,float value)
+{
+  mNameValuePairs[index].setValue(value);
+}
+
+float Gain::getParameter(long index)
+{
+  return mNameValuePairs[index].getValue();
+}
+
+void Gain::getParameterName(long index,char *label)
+{
+  ::strcpy(label,mNameValuePairs[index].getName().str());
+}
+
+void Gain::getParameterDisplay(long index,char *text)
+{
+  float2string(mNameValuePairs[index].getValue(),text);
+}
+
+void Gain::getParameterLabel(long index,char *label)
+{
+  ::strcpy(label,mNameValuePairs[index].getLabel());
+}
+
+void Gain::process(float **inputs,float **outputs,long sampleFrames)
+{
+  applyGain(inputs,outputs,sampleFrames);
+}
+
+void Gain::processReplacing(float **inputs,float **outputs,long sampleFrames)
+{
+  applyGain(inputs,outputs,sampleFrames);
+}
+
+void Gain::applyGain(float **inputs,float **outputs,long sampleFrames)
+{
+  float gain=mNameValuePairs[GainControl].getValue();
+  float *in1 = inputs[0];
+  float *in2 = inputs[1];
+  float *out1 = outputs[0];
+  float *out2 = outputs[1];
+
+  while(--sampleFrames >= 0)
+  {
+    (*out1++) += (*in1++) * gain; // accumulating
+    (*out2++) += (*in2++) * gain;
+  }
+}
+
+void Gain::createDisplay(float value,char *text)
+{
+  StringBuffer stringBuffer;
+	String strRep;
+	if(value<0)value=0;
+  int count=(int)(value*20.00);
+	if(count<0)count=0;
+  for(int index=0;index<count;index++)stringBuffer.append("|");
+	strRep=stringBuffer.toString();
+	if(strRep.isNull()||!strRep.length())strRep=" ";
+	strcpy(text,stringBuffer.toString().str());
+}
+
+
+