private void process(DoubleData doubleData)
{
double[] values = doubleData.getValues();
int i = this.overflowBuffer.getOccupancy() + values.Length;
LinkedList linkedList = new LinkedList();
linkedList.add(doubleData);
Data data = null;
while (i < this.cosineWindow.Length)
{
Data data2 = this.getPredecessor().getData();
if (data2 is DoubleData)
{
linkedList.add((DoubleData)data2);
i += ((DoubleData)data2).getValues().Length;
}
else
{
if (data2 is DataEndSignal || data2 is SpeechEndSignal)
{
data = data2;
break;
}
this.outputQueue.add(data2);
}
}
double[] array = values;
int num;
if (i != values.Length)
{
array = new double[i];
ByteCodeHelper.arraycopy_primitive_8(this.overflowBuffer.getBuffer(), 0, array, 0, this.overflowBuffer.getOccupancy());
num = this.overflowBuffer.getOccupancy();
Iterator iterator = linkedList.iterator();
while (iterator.hasNext())
{
DoubleData doubleData2 = (DoubleData)iterator.next();
double[] values2 = doubleData2.getValues();
ByteCodeHelper.arraycopy_primitive_8(values2, 0, array, num, values2.Length);
num += values2.Length;
}
}
num = this.applyRaisedCosineWindow(array, i);
this.overflowBuffer.reset();
if (i - num > 0)
{
this.overflowBuffer.append(array, num, i - num);
}
if (data != null)
{
this.processUtteranceEnd();
this.outputQueue.add(data);
}
}
private void updateMeanSumBuffers()
{
double num = (double)1f / (double)this.numberFrame;
ByteCodeHelper.arraycopy_primitive_8(this.sum, 0, this.currentMean, 0, this.sum.Length);
LiveCMN.multiplyArray(this.currentMean, num);
if (this.numberFrame >= this.cmnShiftWindow)
{
LiveCMN.multiplyArray(this.sum, num * (double)this.cmnWindow);
this.numberFrame = this.cmnWindow;
}
}
public int append(double[] array, int num, int num2)
{
if (this.occupancy + num2 > this.buffer.Length)
{
string text = "RaisedCosineWindower: overflow-buffer: attempting to fill buffer beyond its capacity.";
throw new Error(text);
}
ByteCodeHelper.arraycopy_primitive_8(array, num, this.buffer, this.occupancy, num2);
this.occupancy += num2;
return(this.occupancy);
}
public override Data getData()
{
while (this.curInBufferSize < this.blockSizeSamples || this.curInBufferSize == 0)
{
Data data = this.getPredecessor().getData();
if (data is DataStartSignal)
{
this.sampleRate = ((DataStartSignal)data).getSampleRate();
this.blockSizeSamples = (int)Math.round((double)this.sampleRate * this.blockSizeMs / 1000.0);
this.curInBufferSize = 0;
this.curFirstSamplePos = 0;
this.inBuffer.clear();
}
if (!(data is DoubleData))
{
return(data);
}
DoubleData doubleData = (DoubleData)data;
this.inBuffer.add(doubleData);
this.curInBufferSize += doubleData.getValues().Length;
}
double[] array = new double[this.blockSizeSamples];
int num = 0;
long firstSampleNumber = ((DoubleData)this.inBuffer.get(0)).getFirstSampleNumber() + (long)this.curFirstSamplePos;
while (!this.inBuffer.isEmpty())
{
DoubleData doubleData2 = (DoubleData)this.inBuffer.remove(0);
double[] values = doubleData2.getValues();
int num2 = Math.min(this.blockSizeSamples - num, values.Length - this.curFirstSamplePos);
ByteCodeHelper.arraycopy_primitive_8(values, this.curFirstSamplePos, array, num, num2);
if (num2 < values.Length - this.curFirstSamplePos)
{
if (!DataBlocker.assertionsDisabled && !this.inBuffer.isEmpty())
{
throw new AssertionError();
}
this.curFirstSamplePos += num2;
this.inBuffer.add(0, doubleData2);
break;
}
else
{
num += num2;
this.curFirstSamplePos = 0;
}
}
this.curInBufferSize = ((!this.inBuffer.isEmpty()) ? (((DoubleData)this.inBuffer.get(0)).getValues().Length - this.curFirstSamplePos) : 0);
return(new DoubleData(array, this.sampleRate, firstSampleNumber));
}
private int applyRaisedCosineWindow(double[] array, int num)
{
int num2;
if (num < this.cosineWindow.Length)
{
double[] array2 = new double[this.cosineWindow.Length];
ByteCodeHelper.arraycopy_primitive_8(array, 0, array2, 0, num);
array = array2;
num2 = 1;
}
else
{
num2 = RaisedCosineWindower.getWindowCount(num, this.cosineWindow.Length, this.windowShift);
}
int num3 = num2;
int num4 = this.cosineWindow.Length;
int[] array3 = new int[2];
int num5 = num4;
array3[1] = num5;
num5 = num3;
array3[0] = num5;
double[][] array4 = (double[][])ByteCodeHelper.multianewarray(typeof(double[][]).TypeHandle, array3);
int num6 = 0;
for (int i = 0; i < num2; i++)
{
double[] array5 = array4[i];
int j = 0;
int num7 = num6;
while (j < array5.Length)
{
array5[j] = array[num7] * this.cosineWindow[j];
num7++;
j++;
}
this.outputQueue.add(new DoubleData(array5, this.sampleRate, this.currentFirstSampleNumber));
this.currentFirstSampleNumber += (long)this.windowShift;
num6 += this.windowShift;
}
return(num6);
}
