public override int Read(byte[] buffer, int offset, int bytecount)
{
int remaining = 0;
if (_headpos < _wavHeader.Length)
{
remaining = Math.Min(bytecount, _wavHeader.Length - _headpos);
Buffer.BlockCopy(_wavHeader, _headpos, buffer, offset, remaining);
_headpos += remaining;
bytecount -= remaining;
offset += remaining;
}
int samplecount = (int)Math.Min((long)ByteCountToSampleCount(bytecount), _totalSamples - _pos);
if (samplecount > 0)
{
for (int s = 0; s < samplecount; s++)
{
double samp = _gen.GetSample(_pos);
_pos++;
short scaled = (short)(samp * 0x7FF8); //32760
//TODO only supporting 16 bit PCM so hardcoding the bytes
buffer[offset + s * 2] = (byte)(scaled & 0xFF);
buffer[offset + s * 2 + 1] = (byte)(scaled >> 8);
//32-bit float format
//Buffer.BlockCopy(sbuff, 0, buffer, offset, num); //this is kind of magic - copy a float array into a byte array
}
}
return(remaining + SampleCountToByteCount(samplecount));
}