private void PrepareBuffers(int count)
{
if (count == _totalSamples)
{
return;
}
System.Diagnostics.Debug.WriteLine($"VstSampleProvider::PrepareBuffers [{_plugin.PluginCommandStub.GetEffectName()}] count changed from {_totalSamples} to {count}. Replacing current buffers.");
_inBufMgr?.Dispose();
_outBufMgr?.Dispose();
int samplesPerBuffer = count / NUM_CHANNEL;
_tempBuf = new float[count];
_inBufMgr = new VstAudioBufferManager(_inputCount, samplesPerBuffer);
_outBufMgr = new VstAudioBufferManager(_outputCount, samplesPerBuffer);
#pragma warning disable CS0618 // Type or member is obsolete
_inBuf = _inBufMgr.ToArray();
_outBuf = _outBufMgr.ToArray();
#pragma warning restore CS0618 // Type or member is obsolete
_totalSamples = count;
}
protected void ManageBuffers(int count)
{
if (FInputMgr.BufferSize != count)
{
FInputMgr.Dispose();
FOutputMgr.Dispose();
FInputMgr = new VstAudioBufferManager(FInputCount, count);
FOutputMgr = new VstAudioBufferManager(FOutputCount, count);
FInputBuffers = FInputMgr.ToArray();
FOutputBuffers = FOutputMgr.ToArray();
}
}
void IDisposable.Dispose()
{
if (mVstAudioBufferManager != null)
{
mVstAudioBufferManager.Dispose();
}
}
public void Dispose()
{
if (Inputs != null)
{
Inputs.Dispose();
}
if (Outputs != null)
{
Outputs.Dispose();
}
}
private void PrepareBuffers(int count)
{
if (count == _totalSamples)
{
return;
}
_inBufMgr?.Dispose();
_outBufMgr?.Dispose();
int samplesPerBuffer = count / NUM_CHANNEL;
_tempBuf = new float[count];
_inBufMgr = new VstAudioBufferManager(NUM_CHANNEL, samplesPerBuffer);
_outBufMgr = new VstAudioBufferManager(NUM_CHANNEL, samplesPerBuffer);
#pragma warning disable CS0618 // Type or member is obsolete
_inBuf = _inBufMgr.ToArray();
_outBuf = _outBufMgr.ToArray();
#pragma warning restore CS0618 // Type or member is obsolete
_totalSamples = count;
}
public int Read(float[] buffer, int offset, int count)
{
VstAudioBufferManager inBufMgr = new VstAudioBufferManager(2, count);
VstAudioBufferManager outBufMgr = new VstAudioBufferManager(2, count);
VstAudioBuffer[] inBuf = inBufMgr.ToArray();
VstAudioBuffer[] outBuf = outBufMgr.ToArray();
_cmdstub.StartProcess();
_cmdstub.ProcessReplacing(inBuf, outBuf);
_cmdstub.StopProcess();
for (int i = 0; i < count; i++)
{
buffer[i] = outBuf[i % 2][i];
}
inBufMgr.Dispose();
outBufMgr.Dispose();
return(count);
}
static void Method(VstPluginContext PluginContext, int bytesWritten, byte[] destBuffer)
{
int inputCount = PluginContext.PluginInfo.AudioInputCount;
int outputCount = PluginContext.PluginInfo.AudioOutputCount;
int blockSize = bytesWritten;
VstAudioBufferManager inputMgr = new VstAudioBufferManager(inputCount, blockSize);
VstAudioBufferManager outputMgr = new VstAudioBufferManager(outputCount, blockSize);
foreach (VstAudioBuffer buffer in inputMgr.ToArray())
{
for (int i = 0; i < blockSize; i++)
{
buffer[i] = (float)destBuffer[i] / 128.0f - 1.0f;
}
}
PluginContext.PluginCommandStub.SetBlockSize(blockSize);
PluginContext.PluginCommandStub.SetSampleRate(44.8f);
PluginContext.PluginCommandStub.StartProcess();
PluginContext.PluginCommandStub.ProcessReplacing(inputMgr.ToArray(), outputMgr.ToArray());
PluginContext.PluginCommandStub.StopProcess();
foreach (VstAudioBuffer buffer in outputMgr.ToArray())
{
for (int i = 0; i < blockSize; i++)
{
destBuffer[i] = Convert.ToByte(((float)buffer[i] + 1.0f) * 128.0f);
}
}
inputMgr.ClearBuffer(inputMgr.ToArray()[0]);
inputMgr.ClearBuffer(inputMgr.ToArray()[1]);
inputMgr.Dispose();
outputMgr.ClearBuffer(outputMgr.ToArray()[0]);
outputMgr.ClearBuffer(outputMgr.ToArray()[1]);
outputMgr.Dispose();
}
static void Method(VstPluginContext PluginContext, int bytesWritten, byte[] destBuffer)
{
int inputCount = PluginContext.PluginInfo.AudioInputCount;
int outputCount = PluginContext.PluginInfo.AudioOutputCount;
int blockSize = bytesWritten;
VstAudioBufferManager inputMgr = new VstAudioBufferManager(inputCount, blockSize);
VstAudioBufferManager outputMgr = new VstAudioBufferManager(outputCount, blockSize);
foreach (VstAudioBuffer buffer in inputMgr.ToArray())
{
for (int i = 0; i < blockSize; i++)
{
buffer[i] = (float)destBuffer[i] / 128.0f - 1.0f;
}
}
PluginContext.PluginCommandStub.SetBlockSize(blockSize);
PluginContext.PluginCommandStub.SetSampleRate(44.8f);
PluginContext.PluginCommandStub.StartProcess();
PluginContext.PluginCommandStub.ProcessReplacing(inputMgr.ToArray(), outputMgr.ToArray());
PluginContext.PluginCommandStub.StopProcess();
foreach (VstAudioBuffer buffer in outputMgr.ToArray())
{
for (int i = 0; i < blockSize; i++)
{
destBuffer[i] = Convert.ToByte(((float)buffer[i] + 1.0f) * 128.0f);
}
}
inputMgr.ClearBuffer(inputMgr.ToArray()[0]);
inputMgr.ClearBuffer(inputMgr.ToArray()[1]);
inputMgr.Dispose();
outputMgr.ClearBuffer(outputMgr.ToArray()[0]);
outputMgr.ClearBuffer(outputMgr.ToArray()[1]);
outputMgr.Dispose();
}
