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//-------------------------------------------------------------------------------------------------------
// VST Plug-Ins SDK
// Version 2.4 $Date: 2006/11/13 09:08:27 $
//
// Category : VST 2.x SDK Samples
// Filename : again.cpp
// Created by : Steinberg Media Technologies
// Description : Stereo plugin which applies Gain [-oo, 0dB]
//
// � 2006, Steinberg Media Technologies, All Rights Reserved
//-------------------------------------------------------------------------------------------------------
#include "again.h"
//-------------------------------------------------------------------------------------------------------
AudioEffect* createEffectInstance (audioMasterCallback audioMaster)
{
return new AGain (audioMaster);
}
//-------------------------------------------------------------------------------------------------------
AGain::AGain (audioMasterCallback audioMaster)
: AudioEffectX (audioMaster, 1, 1) // 1 program, 1 parameter only
{
setNumInputs (2); // stereo in
setNumOutputs (2); // stereo out
setUniqueID ('Gain'); // identify
canProcessReplacing (); // supports replacing output
canDoubleReplacing (); // supports double precision processing
fGain = 1.f; // default to 0 dB
vst_strncpy (programName, "Default", kVstMaxProgNameLen); // default program name
}
//-------------------------------------------------------------------------------------------------------
AGain::~AGain ()
{
// nothing to do here
}
//-------------------------------------------------------------------------------------------------------
void AGain::setProgramName (char* name)
{
vst_strncpy (programName, name, kVstMaxProgNameLen);
}
//-----------------------------------------------------------------------------------------
void AGain::getProgramName (char* name)
{
vst_strncpy (name, programName, kVstMaxProgNameLen);
}
//-----------------------------------------------------------------------------------------
void AGain::setParameter (VstInt32 index, float value)
{
fGain = value;
}
//-----------------------------------------------------------------------------------------
float AGain::getParameter (VstInt32 index)
{
return fGain;
}
//-----------------------------------------------------------------------------------------
void AGain::getParameterName (VstInt32 index, char* label)
{
vst_strncpy (label, "Gain", kVstMaxParamStrLen);
}
//-----------------------------------------------------------------------------------------
void AGain::getParameterDisplay (VstInt32 index, char* text)
{
dB2string (fGain, text, kVstMaxParamStrLen);
}
//-----------------------------------------------------------------------------------------
void AGain::getParameterLabel (VstInt32 index, char* label)
{
vst_strncpy (label, "dB", kVstMaxParamStrLen);
}
//------------------------------------------------------------------------
bool AGain::getEffectName (char* name)
{
vst_strncpy (name, "Gain", kVstMaxEffectNameLen);
return true;
}
//------------------------------------------------------------------------
bool AGain::getProductString (char* text)
{
vst_strncpy (text, "Gain", kVstMaxProductStrLen);
return true;
}
//------------------------------------------------------------------------
bool AGain::getVendorString (char* text)
{
vst_strncpy (text, "Steinberg Media Technologies", kVstMaxVendorStrLen);
return true;
}
//-----------------------------------------------------------------------------------------
VstInt32 AGain::getVendorVersion ()
{
return 1000;
}
//-----------------------------------------------------------------------------------------
void AGain::processReplacing (float** inputs, float** outputs, VstInt32 sampleFrames)
{
float* in1 = inputs[0];
float* in2 = inputs[1];
float* out1 = outputs[0];
float* out2 = outputs[1];
while (--sampleFrames >= 0)
{
(*out1++) = (*in1++) * fGain;
(*out2++) = (*in2++) * fGain;
}
}
//-----------------------------------------------------------------------------------------
void AGain::processDoubleReplacing (double** inputs, double** outputs, VstInt32 sampleFrames)
{
double* in1 = inputs[0];
double* in2 = inputs[1];
double* out1 = outputs[0];
double* out2 = outputs[1];
double dGain = fGain;
while (--sampleFrames >= 0)
{
(*out1++) = (*in1++) * dGain;
(*out2++) = (*in2++) * dGain;
}
}
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