void AcquireData(byte[] buffer, BvhDataHeader header)
{
int requiredSize = (int)header.DataCount * sizeof(float);
if (pinnedHeader == IntPtr.Zero || dataSize < requiredSize)
{
ReleaseData();
pinnedData = Marshal.AllocHGlobal(requiredSize);
dataSize = requiredSize;
}
Marshal.Copy(buffer, 64, pinnedData, requiredSize);
}
public void DoReceive()
{
while (!exitFlag)
{
int recvSize = 0;
try
{
Receive(recvBuffer, recvBufferSize, out recvSize, 0);
}
catch (Exception ex)
{
Debug.Log("thread will stop in next fame: \r\n" + ex.StackTrace);
}
if (reserveBuffer == null)
{
reserveBuffer = new byte[reserveBufferSize];
}
Buffer.BlockCopy(recvBuffer, 0, reserveBuffer, reserveSize, recvSize);
reserveSize += recvSize;
if (reserveSize >= headerSize)
{
BvhDataHeader header = AcquireHeader(reserveBuffer);
if (ValidateHeader(header))
{
// check complete packet
int packetSize = headerSize + (int)header.DataCount * sizeof(float);
//Debug.LogFormat( "reserveSize {0} >= {1} packetSize", reserveSize, packetSize );
if (reserveSize >= packetSize)
{
//Debug.LogWarningFormat( "received packet received size = {0}", reserveSize );
if (NeuronDataReader.frameDataReceivedCallback != null)
{
AcquireData(reserveBuffer, header);
NeuronDataReader.frameDataReceivedCallback(IntPtr.Zero, GetHashValue(), pinnedHeader, pinnedData);
}
// clean reserveBuffer
Buffer.BlockCopy(reserveBuffer, packetSize, reserveBuffer, 0, reserveSize - packetSize);
reserveSize -= packetSize;
}
}
else
{
Debug.LogErrorFormat("Invalid packet HeadToken = {0} TailToken = {1} received size = {2}", header.Token1.ToString("X4"), header.Token2.ToString("X4"), recvSize);
}
}
}
}
bool ValidateHeader(BvhDataHeader header)
{
return(header.Token1 == 0xDDFF && header.Token2 == 0xEEFF);
}