private void ProcessAudio(float[][] inputs, float[][] outputs)
{
ReadMemoryMap();
if (impulseResponse == null)
{
return;
}
var irLeft = impulseResponse[0];
var irRight = impulseResponse[1];
if (irLeft == null || irRight == null || irLeft.Length != irRight.Length)
{
return;
}
var selInL = selectedInputL;
var selInR = selectedInputR;
var selOutL = selectedOutputL;
var selOutR = selectedOutputR;
bool clipAny = false;
if (selInL >= 0 && selInL < inputs.Length)
{
if (selOutL >= 0 && selOutL < outputs.Length)
{
bool clipped = false;
ProcessConv.Process(inputs[selInL], outputs[selOutL], gain, ref bufferIndexL, irLeft, bufferL, ref clipped);
clipAny = clipped;
if (clipped)
{
clipTimeLeft = DateTime.UtcNow;
}
}
}
if (selInR >= 0 && selInR < inputs.Length)
{
if (selOutR >= 0 && selOutR < outputs.Length)
{
bool clipped = false;
ProcessConv.Process(inputs[selInR], outputs[selOutR], gain, ref bufferIndexR, irRight, bufferR, ref clipped);
clipAny = clipAny | clipped;
if (clipped)
{
clipTimeRight = DateTime.UtcNow;
}
}
}
if (clipAny)
{
SharedMemoryState.WriteClipIndicators(mmAccessor, clipTimeLeft, clipTimeRight);
}
}
private void ReadMemoryMap()
{
var state = SharedMemoryState.Read(mmAccessor, stateIndex);
if (state != null)
{
Console.WriteLine("Status update, StateId: {0}, Left IR Length: {1} Right IR Length: {2}", state.Id, state.IrLeft.Length, state.IrRight.Length);
stateIndex = state.Id;
impulseResponse = new[] { state.IrLeft, state.IrRight };
selectedInputL = state.SelectedInputLeft;
selectedInputR = state.SelectedInputRight;
selectedOutputL = state.SelectedOutputLeft;
selectedOutputR = state.SelectedOutputRight;
gain = state.Gain;
}
}
private void UpdateMemoryMap()
{
var state = new SharedMemoryState
{
Gain = (float)Utils.DB2gain(VolumeDb),
Id = ++stateIndex,
IrLeft = outputIr[0],
IrRight = outputIr[1],
IrLength = outputIr[0].Length,
SelectedInputLeft = SelectedInputL,
SelectedInputRight = selectedInputR,
SelectedOutputLeft = SelectedOutputL,
SelectedOutputRight = SelectedOutputR
};
state.Write(mmAccessor);
}
private void UpdateClipIndicators()
{
while (true)
{
try
{
var clipTimes = SharedMemoryState.ReadClipIndicators(mmAccessor);
if ((DateTime.UtcNow - clipTimes[0]).TotalMilliseconds < 500)
{
if (ClipLBrush.Equals(Brushes.Transparent))
{
ClipLBrush = Brushes.Red;
}
}
else
{
ClipLBrush = Brushes.Transparent;
}
if ((DateTime.UtcNow - clipTimes[1]).TotalMilliseconds < 500)
{
if (ClipRBrush.Equals(Brushes.Transparent))
{
ClipRBrush = Brushes.Red;
}
}
else
{
ClipRBrush = Brushes.Transparent;
}
}
catch (Exception)
{
Thread.Sleep(500);
// swallow
}
Thread.Sleep(20);
}
// ReSharper disable once FunctionNeverReturns
}