public unsafe override void Run()
{
Span <char> display = stackalloc char[50];
channel.Paused = false;
System.GetDSPBufferSize(out var sampleLen, out _);
do
{
OnUpdate();
System.Update();
bool bypass = dsp.Bypass;
var volume = dsp.GetParameterFloat(1);
var ptr = dsp.GetParameterData(0, out var len);
var channels = dsp.GetParameterInt(2);
var data = new ReadOnlySpan <float>(ptr, (int)len);
string volstr = (volume * 100).ToString("N1");
DrawText("==================================================");
DrawText("Custom DSP Example.");
DrawText("Copyright (c) Firelight Technologies 2004-2018.");
DrawText("==================================================");
DrawText();
DrawText("Press 1 to toggle filter bypass");
DrawText("Press 2 to decrease volume 10%");
DrawText("Press 3 to increase volume 10%");
DrawText("Press Esc to Quit");
DrawText();
DrawText("Filter is " + (bypass ? "inactive" : "active"));
DrawText("Volume is " + volstr + "%");
if (data.Length != 0)
{
Debug.Assert((uint)channels <= 10);
float[] levels = DetermineChannelLevels(data, channels, (int)sampleLen);
for (int channel = 0; channel < levels.Length; ++channel)
{
display.Clear();
channel.TryFormat(display.Slice(0, 2), out _);
display.Slice(3, Math.Min((int)(levels[channel] * 40f), display.Length - 3)).Fill('=');
DrawText(display);
}
}
Sleep(50);
}while (!ShouldEndExample);
}
private void AddFloatControl(Dsp dsp, ref DspParameterDesc info, int index)
{
var floatPanel = new FloatParameterPanel
{
ParameterUnit = info.Label,
ParameterDescription = info.Description
};
floatPanel.TrackBarControl.Maximum = info.FloatDescription.Maximum;
floatPanel.TrackBarControl.Minimum = info.FloatDescription.Minimum;
floatPanel.TrackBarControl.TickFactor = 20;
floatPanel.TrackBarControl.Value = dsp.GetParameterFloat(index);
floatPanel.Anchor = AnchorStyles.Left | AnchorStyles.Right;
floatPanel.ValueChanged += (s, e) => dsp.SetParameterFloat(index, floatPanel.Value);
flowPanel.Controls.Add(floatPanel, 0, index);
}
private static void AdjustVolume(Dsp dsp, float adjustment)
{
dsp.SetParameterFloat(1, Math.Clamp(dsp.GetParameterFloat(1) + adjustment, 0, 1));
}
