public RzxBlock ReadBlock()
{
CheckEof();
if (IsEndOfFile)
{
return(null);
}
int blockId = m_stream.ReadByte();
if (blockId < 0 || blockId > 255)
{
RaiseUnexpectedEndException();
}
byte[] dataBuf = new byte[4];
if (m_stream.Read(dataBuf, 0, dataBuf.Length) != dataBuf.Length)
{
RaiseUnexpectedEndException();
}
Int32 blockLength = BitConverter.ToInt32(dataBuf, 0) - 5;
if (blockLength < 0)
{
throw new InvalidDataException(string.Format("Invalid block length={0}", blockLength));
}
byte[] blockData = new byte[blockLength];
if (m_stream.Read(blockData, 0, blockData.Length) != blockData.Length)
{
RaiseUnexpectedEndException();
}
return(RzxBlock.Create(blockId, blockData));
}
public RzxFrame[] GetNextFrameArray()
{
while (true)
{
RzxBlock block = ReadBlock();
if (block == null)
{
return(null);
}
RzxBlockRecording rzxRec = block as RzxBlockRecording;
if (rzxRec != null)
{
return(loadRec(rzxRec));
}
RzxBlockSnapshot rzxSnap = block as RzxBlockSnapshot;
if (rzxSnap != null)
{
loadSnap(rzxSnap);
}
}
}