public AdxFile(Stream aStream)
{
ByteArray lByteArray = new ByteArrayBig(aStream);
sampleArray = new float[2][];
adxHeader = new AdxHeader(lByteArray);
adxData = new AdxData(lByteArray, adxHeader);
sampleArray = adxData.GetSampleArray();
}
public AdxData(ByteArray aByteArray, AdxHeader aAdxHeader)
{
sampleArray = new float[aAdxHeader.GetChannelLength()][];
for (int i = 0; i < aAdxHeader.GetChannelLength(); i++)
{
sampleArray[i] = new float[aAdxHeader.GetSampleLength()];
}
int s00 = 0;
int s10 = 0;
int s20 = 0;
int d0 = 0;
int s01 = 0;
int s11 = 0;
int s21 = 0;
int d1 = 0;
for (int I = 0; (I + 1) * 32 < aAdxHeader.GetSampleLength(); I++)
{
int scale = aByteArray.ReadInt16();
for (int i = 0; i < 16; i++)
{
int lBase = I * 32;
int lIn = aByteArray.ReadByte();
d0 = lIn >> 4;
if ((d0 & 8) != 0)
{
d0 -= 16;
}
s00 = (0x4000 * d0 * scale + 0x7298 * s10 - 0x3350 * s20) >> 14;
if (s00 > 32767)
{
s00 = 32767;
}
else if (s00 < -32768)
{
s00 = -32768;
}
sampleArray[0][lBase + i * 2 + 0] = ( float )s00 / ( float )0x8000;
s20 = s10;
s10 = s00;
d0 = lIn & 15;
if ((d0 & 8) != 0)
{
d0 -= 16;
}
s00 = (0x4000 * d0 * scale + 0x7298 * s10 - 0x3350 * s20) >> 14;
if (s00 > 32767)
{
s00 = 32767;
}
else if (s00 < -32768)
{
s00 = -32768;
}
sampleArray[0][lBase + i * 2 + 1] = ( float )s00 / ( float )0x8000;
s20 = s10;
s10 = s00;
}
scale = aByteArray.ReadInt16();
for (int i = 0; i < 16; i++)
{
int lBase = I * 32;
int lIn = aByteArray.ReadByte();
d1 = lIn >> 4;
if ((d1 & 8) != 0)
{
d1 -= 16;
}
s01 = (0x4000 * d1 * scale + 0x7298 * s11 - 0x3350 * s21) >> 14;
if (s01 > 32767)
{
s01 = 32767;
}
else if (s01 < -32768)
{
s01 = -32768;
}
sampleArray[1][lBase + i * 2 + 0] = ( float )s01 / ( float )0x8000;
s21 = s11;
s11 = s01;
d1 = lIn & 15;
if ((d1 & 8) != 0)
{
d1 -= 16;
}
s01 = (0x4000 * d1 * scale + 0x7298 * s11 - 0x3350 * s21) >> 14;
if (s01 > 32767)
{
s01 = 32767;
}
else if (s01 < -32768)
{
s01 = -32768;
}
sampleArray[1][lBase + i * 2 + 1] = ( float )s01 / ( float )0x8000;
s21 = s11;
s11 = s01;
}
}
}
