private void FadeOut(float[] buffer, int offset, int sourceSamplesRead)
{
int i = 0;
while (i < sourceSamplesRead)
{
float num = 1f - (float)this.fadeSamplePosition / (float)this.fadeSampleCount;
for (int j = 0; j < this.source.WaveFormat.Channels; j++)
{
buffer[offset + i++] *= num;
}
this.fadeSamplePosition++;
if (this.fadeSamplePosition > this.fadeSampleCount)
{
this.fadeState = FadeInOutSampleProvider.FadeState.Silence;
FadeInOutSampleProvider.ClearBuffer(buffer, i + offset, sourceSamplesRead - i);
return;
}
}
}
public int Read(float[] buffer, int offset, int count)
{
int num = this.source.Read(buffer, offset, count);
lock (this.lockObject)
{
if (this.fadeState == FadeInOutSampleProvider.FadeState.FadingIn)
{
this.FadeIn(buffer, offset, num);
}
else if (this.fadeState == FadeInOutSampleProvider.FadeState.FadingOut)
{
this.FadeOut(buffer, offset, num);
}
else if (this.fadeState == FadeInOutSampleProvider.FadeState.Silence)
{
FadeInOutSampleProvider.ClearBuffer(buffer, offset, count);
}
}
return(num);
}