private void Init(Stream stream)
{
using (var reader = new BinaryReader(stream, Encoding.Default, true))
{
stream.Seek(0, SeekOrigin.Begin);
_unknown1 = reader.ReadInt32();
_expectedNumberOfFrames = reader.ReadInt32();
_unknown2 = reader.ReadBytes(56);
_frames = new EFAFrame[_expectedNumberOfFrames];
_framesCollection = new ReadOnlyCollection <EFAFrame>(_frames);
var frameHeaders = new EFAFrameHeader[_expectedNumberOfFrames];
for (int i = 0; i < _expectedNumberOfFrames; ++i)
{
frameHeaders[i] = EFAFrameHeader.Read(reader);
}
for (int i = 0; i < _expectedNumberOfFrames; ++i)
{
var header = frameHeaders[i];
byte[] compressedData = reader.ReadBytes(header.Size);
using (var compressedStream = new MemoryStream(compressedData))
using (var decompressedStream = new MemoryStream())
using (var decompressionStream = new DeflateStream(compressedStream, CompressionMode.Decompress))
{
compressedStream.Seek(2, SeekOrigin.Begin);
decompressionStream.CopyTo(decompressedStream);
_frames[i] = new EFAFrame(frameHeaders[i], decompressedStream.ToArray());
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="reader"></param>
public EFAFrame(EFAFrameHeader header, byte[] data)
{
_header = header;
_data = data;
_dataCollection = new ReadOnlyCollection <byte>(_data);
}