public static void openWav(string filename, out double[] left, out double[] right)
{
byte[] numArray = File.ReadAllBytes(filename);
int num1 = (int)numArray[22];
int index1;
int index2;
int num2;
for (index1 = 12; (int)numArray[index1] != 100 || (int)numArray[index1 + 1] != 97 || (int)numArray[index1 + 2] != 116 || (int)numArray[index1 + 3] != 97; index1 = index2 + (4 + num2))
{
index2 = index1 + 4;
num2 = (int)numArray[index2] + (int)numArray[index2 + 1] * 256 + (int)numArray[index2 + 2] * 65536 + (int)numArray[index2 + 3] * 16777216;
}
int index3 = index1 + 8;
int length = (numArray.Length - index3) / 2;
if (num1 == 2)
{
length /= 2;
}
left = new double[length];
right = num1 != 2 ? (double[])null : new double[length];
int index4 = 0;
while (index3 < numArray.Length)
{
left[index4] = AudioUtils.bytesToDouble(numArray[index3], numArray[index3 + 1]);
index3 += 2;
if (num1 == 2)
{
right[index4] = AudioUtils.bytesToDouble(numArray[index3], numArray[index3 + 1]);
index3 += 2;
}
++index4;
}
}
public WaveformRenderer(string filename)
{
AudioUtils.openWav(filename, out this.left, out this.right);
}