public static double[] ApplyDelay(double[] samples, WaveFormat fmt, int delayTime, DelayUnit delayUnit = DelayUnit.Milliseconds)
{
double[] result = null;
int samplesPerSecond = fmt.SampleRate;
long arraySize = samples.Length;
switch (delayUnit)
{
case DelayUnit.Seconds:
arraySize += delayTime * samplesPerSecond;
break;
case DelayUnit.Milliseconds:
int seconds = delayTime / 1000;
int millis = delayTime % 1000;
arraySize += seconds * samplesPerSecond;
arraySize += (long)((millis / 1000.0) * samplesPerSecond);
break;
}
result = new double[arraySize];
Array.Copy(samples, result, samples.Length);
int start = 0;
int beginning = 0;
switch (delayUnit)
{
case DelayUnit.Milliseconds:
start = (int)((delayTime / 1000.0) * samplesPerSecond);
break;
case DelayUnit.Seconds:
start = delayTime * samplesPerSecond;
break;
}
for (int i = start; i < result.Length; ++i)
{
try {
result[i] = MathUtils.Clamp(result[i] + samples[beginning++], -1.0, 1.0);
} catch (IndexOutOfRangeException) {
Console.WriteLine("Caught exception.");
}
}
return(result);
}
public static double[] ApplyEcho(double[] samples, WaveFormat fmt, int delayBetweenRepeats, int repeats = 1, DelayUnit delayUnit = DelayUnit.Milliseconds)
{
throw new NotImplementedException();
}