private FwPacket ProcessNextFwPacket(BinaryReaderEndian packetReader)
{
FwPacket packet = new FwPacket();
try
{
// Seek to next packet start
while (true)
{
if (packetReader.ReadByte() == 0x00)
{
byte tableId = packetReader.ReadByte();
if (tableId == 0xB5 || tableId == 0xB6)
{
packetReader.BaseStream.Seek(-2, SeekOrigin.Current);
break;
}
else
{
packetReader.BaseStream.Seek(-1, SeekOrigin.Current);
}
}
}
long startPos = packetReader.BaseStream.Position;
// Skip over table id
packetReader.ReadInt16();
packet.Length = (ushort)(packetReader.ReadUInt16() & 0x0FFF);
packet.SectionType = packetReader.ReadUInt16();
packet.Unknown = packetReader.ReadUInt32();
packet.VendorId = packetReader.ReadByte();
packetReader.ReadByte();
packet.ModelId = packetReader.ReadByte();
packetReader.BaseStream.Seek(3, SeekOrigin.Current);
packet.FirmwareVersion = packetReader.ReadByte();
packet.FileOffset = packetReader.ReadUInt32();
packet.FileLength = packetReader.ReadUInt32();
packet.Data = packetReader.ReadBytes(packet.Length - 25);
packet.Crc32 = packetReader.ReadUInt32();
packetReader.BaseStream.Seek(startPos + 1, SeekOrigin.Begin);
byte[] wholePacket = packetReader.ReadBytes(packet.Length + 3);
packet.hasPassedCRC = (Crc32.crc32_mpeg(wholePacket, (uint)wholePacket.Length) == 0);
}
catch (EndOfStreamException ex)
{
throw ex;
}
catch (Exception)
{
packet.hasPassedCRC = false;
}
return(packet);
}
protected Archive(string fileName, Encoding encoding, Endian byteOrder)
{
FullName = fileName ?? throw new ArgumentNullException(nameof(fileName));
if (!File.Exists(fileName))
{
throw new FileNotFoundException(fileName);
}
this.encoding = encoding ?? throw new ArgumentNullException(nameof(encoding));
this.byteOrder = byteOrder;
stream = File.Open(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);
binaryReader = new BinaryReaderEndian(stream, this.encoding, false, Endian.Little);
}
public static BinaryReader OpenReadFile(byte[] data, bool IsLittleEndian)
{
BinaryReader returned;
if ((BitConverter.IsLittleEndian & IsLittleEndian) || !(BitConverter.IsLittleEndian | IsLittleEndian))
{
returned = new BinaryReader(new MemoryStream(data), Encoding.ASCII, false);
}
else
{
returned = new BinaryReaderEndian(new MemoryStream(data), Encoding.ASCII, false);
}
return(returned);
}
public static BinaryReader OpenReadFile(Stream stream, bool IsLittleEndian, bool leaveOpen = true)
{
BinaryReader returned;
if ((BitConverter.IsLittleEndian & IsLittleEndian) || !(BitConverter.IsLittleEndian | IsLittleEndian))
{
returned = new BinaryReader(stream, Encoding.ASCII, leaveOpen);
}
else
{
returned = new BinaryReaderEndian(stream, Encoding.ASCII, leaveOpen);
}
return(returned);
}
private void Read(StreamPart streamFile)
{
streamFile.Stream.Position = streamFile.Position;
using (BinaryReader reader = new BinaryReaderEndian(streamFile.Stream, Encoding.ASCII, true))
{
Header = new DDSAtlusHeader(reader);
int temp = 0;
temp += ReadTexture(reader);
if (temp != Header.SizeTexture)
{
throw new Exception("DDSAtlus: wrong texture size");
}
LastBlock = reader.ReadBytes(Header.SizeWOHeader - Header.SizeTexture);
}
}
private FwPacket ProcessNextFwPacket(BinaryReaderEndian packetReader)
{
FwPacket packet = new FwPacket();
try
{
// Seek to next packet start
while (true)
{
if (packetReader.ReadByte() == 0x00)
{
byte tableId = packetReader.ReadByte();
if (tableId == 0xB5 || tableId == 0xB6)
{
packetReader.BaseStream.Seek(-2, SeekOrigin.Current);
break;
}
else
{
packetReader.BaseStream.Seek(-1, SeekOrigin.Current);
}
}
}
long startPos = packetReader.BaseStream.Position;
// Skip over table id
packetReader.ReadInt16();
packet.Length = (ushort)(packetReader.ReadUInt16() & 0x0FFF);
packet.SectionType = packetReader.ReadUInt16();
packet.Unknown = packetReader.ReadUInt32();
packet.VendorId = packetReader.ReadByte();
packetReader.ReadByte();
packet.ModelId = packetReader.ReadByte();
packetReader.BaseStream.Seek(3, SeekOrigin.Current);
packet.FirmwareVersion = packetReader.ReadByte();
packet.FileOffset = packetReader.ReadUInt32();
packet.FileLength = packetReader.ReadUInt32();
packet.Data = packetReader.ReadBytes(packet.Length - 25);
packet.Crc32 = packetReader.ReadUInt32();
packetReader.BaseStream.Seek(startPos + 1, SeekOrigin.Begin);
byte[] wholePacket = packetReader.ReadBytes(packet.Length + 3);
packet.hasPassedCRC = (Crc32.crc32_mpeg(wholePacket, (uint)wholePacket.Length) == 0);
}
catch (EndOfStreamException ex)
{
throw ex;
}
catch (Exception)
{
packet.hasPassedCRC = false;
}
return packet;
}
public void ProcessBuffer(byte[] buffer)
{
byte[] packetBuffer = new byte[188];
using (MemoryStream tsStream = new MemoryStream(buffer))
{
while (tsStream.Position < tsStream.Length)
{
_bytesInLastSecond += 188;
tsStream.Read(packetBuffer, 0, 188);
TransportStreamPacket tsPacket = PacketParsing.ParsePacket(packetBuffer);
if (tsPacket.packetID == 0x60 || tsPacket.packetID == 0x61)
{
if (_currentFwPackets.ContainsKey(tsPacket.packetID))
{
if (tsPacket.payload[0] == 0x00 && (tsPacket.payload[1] == 0xB5 || tsPacket.payload[1] == 0xB6))
{
// We have started a new packet
using (BinaryReaderEndian packetReader = new BinaryReaderEndian(_currentFwPackets[tsPacket.packetID], false))
{
packetReader.DontDispose = true;
packetReader.BaseStream.Seek(0, SeekOrigin.Begin);
FwPacket fwPacket;
try
{
fwPacket = ProcessNextFwPacket(packetReader);
}
catch (EndOfStreamException)
{
// Probably a better way of doing this! (When 0x00 0xB5 exists at the beginning of a packet naturaly)
_currentFwPackets[tsPacket.packetID].Write(tsPacket.payload, 0, tsPacket.payload.Length);
continue;
}
string fwName = string.Format("{0:X2}-{1:X2}-{2:X2}", fwPacket.VendorId, fwPacket.ModelId, fwPacket.FirmwareVersion);
lock (CurrentFiles)
{
CurrentFiles[tsPacket.packetID] = string.Format("{0:X2}{1:X2}-r{2}", fwPacket.VendorId, fwPacket.ModelId, fwPacket.FirmwareVersion);
}
if (fwPacket.SectionType == 1 && !CompletedFiles.ContainsKey(fwName))
{
if (!InProgressFiles.ContainsKey(fwName))
{
InProgressFiles.Add(fwName, new FirmwareFile(fwPacket, _extractFolder));
InProgressFileList.Add(InProgressFiles[fwName]);
}
else
{
InProgressFiles[fwName].AddPacket(fwPacket);
}
if (InProgressFiles[fwName].isComplete)
{
_completedListHasChanged = true;
CompletedFiles.Add(fwName, InProgressFiles[fwName]);
CompletedFileList.Add(InProgressFiles[fwName]);
InProgressFileList.Remove(InProgressFiles[fwName]);
InProgressFiles.Remove(fwName);
}
}
}
_currentFwPackets[tsPacket.packetID].Close();
_currentFwPackets[tsPacket.packetID] = new MemoryStream();
}
_currentFwPackets[tsPacket.packetID].Write(tsPacket.payload, 0, tsPacket.payload.Length);
}
else if (tsPacket.payload[0] == 0x00 && (tsPacket.payload[1] == 0xB5 || tsPacket.payload[1] == 0xB6))
{
_currentFwPackets.Add(tsPacket.packetID, new MemoryStream());
_currentFwPackets[tsPacket.packetID].Write(tsPacket.payload, 0, tsPacket.payload.Length);
}
}
}
}
}
public void ProcessBuffer(byte[] buffer)
{
byte[] packetBuffer = new byte[188];
using (MemoryStream tsStream = new MemoryStream(buffer))
{
while (tsStream.Position < tsStream.Length)
{
_bytesInLastSecond += 188;
tsStream.Read(packetBuffer, 0, 188);
TransportStreamPacket tsPacket = PacketParsing.ParsePacket(packetBuffer);
if (tsPacket.packetID == 0x60 || tsPacket.packetID == 0x61)
{
if (_currentFwPackets.ContainsKey(tsPacket.packetID))
{
if (tsPacket.payload[0] == 0x00 && (tsPacket.payload[1] == 0xB5 || tsPacket.payload[1] == 0xB6))
{
// We have started a new packet
using (BinaryReaderEndian packetReader = new BinaryReaderEndian(_currentFwPackets[tsPacket.packetID], false))
{
packetReader.DontDispose = true;
packetReader.BaseStream.Seek(0, SeekOrigin.Begin);
FwPacket fwPacket;
try
{
fwPacket = ProcessNextFwPacket(packetReader);
}
catch (EndOfStreamException)
{
// Probably a better way of doing this! (When 0x00 0xB5 exists at the beginning of a packet naturaly)
_currentFwPackets[tsPacket.packetID].Write(tsPacket.payload, 0, tsPacket.payload.Length);
continue;
}
string fwName = string.Format("{0:X2}-{1:X2}-{2:X2}", fwPacket.VendorId, fwPacket.ModelId, fwPacket.FirmwareVersion);
lock (CurrentFiles)
{
CurrentFiles[tsPacket.packetID] = string.Format("{0:X2}{1:X2}-r{2}", fwPacket.VendorId, fwPacket.ModelId, fwPacket.FirmwareVersion);
}
if (fwPacket.SectionType == 1 && !CompletedFiles.ContainsKey(fwName))
{
if (!InProgressFiles.ContainsKey(fwName))
{
InProgressFiles.Add(fwName, new FirmwareFile(fwPacket, _extractFolder));
InProgressFileList.Add(InProgressFiles[fwName]);
}
else
{
InProgressFiles[fwName].AddPacket(fwPacket);
}
if (InProgressFiles[fwName].isComplete)
{
_completedListHasChanged = true;
CompletedFiles.Add(fwName, InProgressFiles[fwName]);
CompletedFileList.Add(InProgressFiles[fwName]);
InProgressFileList.Remove(InProgressFiles[fwName]);
InProgressFiles.Remove(fwName);
}
}
}
_currentFwPackets[tsPacket.packetID].Close();
_currentFwPackets[tsPacket.packetID] = new MemoryStream();
}
_currentFwPackets[tsPacket.packetID].Write(tsPacket.payload, 0, tsPacket.payload.Length);
}
else if (tsPacket.payload[0] == 0x00 && (tsPacket.payload[1] == 0xB5 || tsPacket.payload[1] == 0xB6))
{
_currentFwPackets.Add(tsPacket.packetID, new MemoryStream());
_currentFwPackets[tsPacket.packetID].Write(tsPacket.payload, 0, tsPacket.payload.Length);
}
}
}
}
}
