/// <summary>
/// Resamples a multichannel array with the quality set by the user.
/// </summary>
/// <param name="samples">Samples of the source channel</param>
/// <param name="to">New sample count per channel</param>
/// <param name="channels">Channel count</param>
/// <param name="quality">Listener audio quality</param>
/// <returns>Resampled version of the input</returns>
public static float[] Adaptive(float[] samples, int to, int channels, QualityModes quality)
{
float[][] channelSplit = new float[channels][];
int splitSize = samples.Length / channels;
for (int channel = 0; channel < channels; ++channel)
{
channelSplit[channel] = new float[splitSize];
}
for (int sample = 0, outSample = 0; sample < splitSize; ++sample)
{
for (int channel = 0; channel < channels; ++channel, ++outSample)
{
channelSplit[channel][sample] = samples[outSample];
}
}
for (int channel = 0; channel < channels; ++channel)
{
channelSplit[channel] = Adaptive(channelSplit[channel], to, quality);
}
int newUpdateRate = channelSplit[0].Length;
samples = new float[channels * newUpdateRate];
for (int sample = 0, outSample = 0; sample < newUpdateRate; ++sample)
{
for (int channel = 0; channel < channels; ++channel, ++outSample)
{
samples[outSample] = channelSplit[channel][sample];
}
}
return(samples);
}
public override object CreateInstance(ITypeDescriptorContext context, IDictionary values)
{
QualityModes t = new QualityModes();
foreach (var prop in typeof(QualityModes).GetProperties())
{
if (values[prop.Name] != null)
{
prop.SetValue(t, values[prop.Name], null);
}
}
return(t);
}
/// <summary>
/// Resamples a single channel with the quality set by the user.
/// </summary>
/// <param name="samples">Samples of the source channel</param>
/// <param name="to">New sample count</param>
/// <param name="quality">Listener audio quality</param>
/// <returns>Resampled version of the input channel</returns>
public static float[] Adaptive(float[] samples, int to, QualityModes quality)
{
if (quality < QualityModes.High)
{
return(NearestNeighbour(samples, to));
}
else if (quality < QualityModes.Perfect)
{
return(Lerp(samples, to));
}
else
{
return(CatmullRom(samples, to));
}
}
// Constructor
public ViewImageControl()
{
AutoScaleMode = AutoScaleMode.Font;
// ReSharper disable DoNotCallOverridableMethodsInConstructor
DoubleBuffered = true;
// ReSharper restore DoNotCallOverridableMethodsInConstructor
ErrorImage = null;
Image = ErrorImage;
ImageVisible = true;
EnableDragging = true;
Rotation = RotateFlipType.RotateNoneFlipNone;
RedrawTimer.Tick += (s, e) => { Refresh(); };
Quality = new QualityModes();
// Handle mouse zoom and dragging
MouseWheel += OnMouseWheel;
MouseDown += OnMouseDown;
MouseUp += OnMouseUp;
}
