//-----------------------------------------------------------------------------
tresult PLUGIN_API ADelayProcessor::setActive (TBool state)
{
SpeakerArrangement arr;
if (getBusArrangement (kOutput, 0, arr) != kResultTrue)
return kResultFalse;
int32 numChannels = SpeakerArr::getChannelCount (arr);
if (numChannels == 0)
return kResultFalse;
if (state)
{
buffer = (float**)malloc (numChannels * sizeof (float*));
size_t size = (size_t)(processSetup.sampleRate * sizeof (float) + 0.5);
for (int32 channel = 0; channel < numChannels; channel++)
{
buffer[channel] = (float*)malloc (size); // 1 second delay max
memset (buffer[channel], 0, size);
}
bufferPos = 0;
}
else
{
if (buffer)
{
for (int32 channel = 0; channel < numChannels; channel++)
{
free (buffer[channel]);
}
free (buffer);
buffer = 0;
}
}
return AudioEffect::setActive (state);
}
tresult PLUGIN_API Processor::process(ProcessData& data) {
if (data.inputParameterChanges)
{
int32 numParamsChanged = data.inputParameterChanges->getParameterCount();
for (int32 index = 0; index < numParamsChanged; index++)
{
IParamValueQueue* paramQueue = data.inputParameterChanges->getParameterData(index);
if (paramQueue)
{
ParamValue value;
int32 sampleOffset;
int32 numPoints = paramQueue->getPointCount();
switch (paramQueue->getParameterId())
{
case kParamInputGain:
if (paramQueue->getPoint(numPoints - 1, sampleOffset, value) == kResultTrue)
paramState.inputgain = value;
break;
case kParamOutputGain:
if (paramQueue->getPoint(numPoints - 1, sampleOffset, value) == kResultTrue)
{
paramState.outputgain = value;
}
break;
}
}
}
}
SpeakerArrangement arr;
getBusArrangement(kOutput, 0, arr);
int32 numChannels = SpeakerArr::getChannelCount(arr);
for (int32 channel = 0; channel < numChannels; channel++)
{
float* inputChannel = data.inputs[0].channelBuffers32[channel];
float* outputChannel = data.outputs[0].channelBuffers32[channel];
for (int32 sample = 0; sample < data.numSamples; sample++)
{
outputChannel[sample] = inputChannel[sample]*1.5;
}
}
return kResultTrue;
}
//-----------------------------------------------------------------------------
tresult PLUGIN_API ADelayProcessor::process (ProcessData& data)
{
if (data.inputParameterChanges)
{
int32 paramChangeCount = data.inputParameterChanges->getParameterCount ();
for (int32 index = 0; index < paramChangeCount; index++)
{
IParamValueQueue* queue = data.inputParameterChanges->getParameterData (index);
if (queue && queue->getParameterId () == kDelayTag)
{
int32 valueChangeCount = queue->getPointCount ();
ParamValue value;
int32 sampleOffset;
if (queue->getPoint (valueChangeCount-1, sampleOffset, value) == kResultTrue)
delay = value;
}
}
}
if (data.numSamples > 0)
{
SpeakerArrangement arr;
getBusArrangement (kOutput, 0, arr);
int32 numChannels = SpeakerArr::getChannelCount (arr);
int32 delayInSamples = std::max<int32> (1, (int32)(delay * processSetup.sampleRate)); // we have a minimum of 1 sample delay here
for (int32 channel = 0; channel < numChannels; channel++)
{
float* inputChannel = data.inputs[0].channelBuffers32[channel];
float* outputChannel = data.outputs[0].channelBuffers32[channel];
int32 tempBufferPos = bufferPos;
for (int32 sample = 0; sample < data.numSamples; sample++)
{
float tempSample = inputChannel[sample];
outputChannel[sample] = buffer[channel][tempBufferPos];
buffer[channel][tempBufferPos] = tempSample;
tempBufferPos++;
if (tempBufferPos >= delayInSamples)
tempBufferPos = 0;
}
}
bufferPos += data.numSamples;
while (delayInSamples && bufferPos >= delayInSamples)
bufferPos -= delayInSamples;
}
return kResultTrue;
}
//setActive trueでプラグイン作動 setActive falseでプラグイン停止
tresult PLUGIN_API Processor::setActive(TBool state)
{
SpeakerArrangement arr;
if (getBusArrangement(kOutput, 0, arr) != kResultTrue)
return kResultFalse;
int32 numChannels = SpeakerArr::getChannelCount(arr);
if (numChannels == 0)
return kResultFalse;
if (state)
{
}
else
{
}
return AudioEffect::setActive(state);
}
