/// <summary>
/// Method to perform FX effects on the wave data.
/// </summary>
/// <param name="edit"></param>
/// <param name="args"></param>
/// <param name="data"></param>
public static void ApplyFX(EDIT_FX edit, object[] args, ref WaveFile data)
{
double factor;
switch (edit)
{
case EDIT_FX.reverse:
for (int channel = 0; channel < data.channels; channel++)
{
Array.Reverse(data.samples[channel]);
}
break;
case EDIT_FX.normalize:
for (int channel = 0; channel < data.channels; channel++)
{
factor = maxAmplitude(data.samples[channel]) * 1.1;
for (int sample = 0; sample < data.samples[channel].Length; sample++)
{
data.samples[channel][sample] = data.samples[channel][sample] / factor;
}
}
break;
case EDIT_FX.pitchshift:
for (int channel = 0; channel < data.channels; channel++)
{
data.samples[channel] = pitchShift(ref data.samples[channel], data.sampleRate, (int)args[0]);
}
break;
default:
break;
}
}
/// <summary>
/// Method to apply FX effects
/// </summary>
/// <param name="effect"></param>
/// <param name="args"></param>
public void applyDSPFX(EDIT_FX effect, object[] args)
{
int startIndex = Math.Max(timeSelStart, 0);
int endIndex;
if (timeSelEnd != timeSelStart)
{
endIndex = timeSelEnd;
}
else
{
endIndex = wave.getNumSamples();
}
WaveFile data = wave.cutSelection(startIndex, endIndex);
Formulas.ApplyFX(effect, args, ref data);
wave.pasteSelection(startIndex, data.samples);
timeDomain.setSamples(wave.samples);
timeDomain.Invalidate();
invalidPlayer = true;
}
